diff options
Diffstat (limited to 'lib/stdlib')
134 files changed, 9311 insertions, 3423 deletions
diff --git a/lib/stdlib/doc/src/Makefile b/lib/stdlib/doc/src/Makefile index ff77c3eea0..a4a2ed9931 100644 --- a/lib/stdlib/doc/src/Makefile +++ b/lib/stdlib/doc/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1997-2012. All Rights Reserved. +# Copyright Ericsson AB 1997-2015. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -48,6 +48,7 @@ XML_REF3_FILES = \ digraph.xml \ digraph_utils.xml \ epp.xml \ + erl_anno.xml \ erl_eval.xml \ erl_expand_records.xml \ erl_id_trans.xml \ @@ -76,12 +77,12 @@ XML_REF3_FILES = \ ms_transform.xml \ orddict.xml \ ordsets.xml \ - pg.xml \ pool.xml \ proc_lib.xml \ proplists.xml \ qlc.xml \ queue.xml \ + rand.xml \ random.xml \ re.xml \ sets.xml \ diff --git a/lib/stdlib/doc/src/binary.xml b/lib/stdlib/doc/src/binary.xml index 2410f1f9b8..6c0968d242 100644 --- a/lib/stdlib/doc/src/binary.xml +++ b/lib/stdlib/doc/src/binary.xml @@ -5,7 +5,7 @@ <header> <copyright> <year>2009</year> - <year>2013</year> + <year>2014</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> @@ -450,7 +450,7 @@ store(Binary, GBSet) -> </code> <p>In this example, we chose to copy the binary content before - inserting it in the <c>gb_set()</c> if it references a binary more than + inserting it in the <c>gb_sets:set()</c> if it references a binary more than twice the size of the data we're going to keep. Of course different rules for when copying will apply to different programs.</p> @@ -578,6 +578,10 @@ store(Binary, GBSet) -> <item><p>Removes trailing empty parts of the result (as does trim in <c>re:split/3</c>)</p></item> + <tag>trim_all</tag> + + <item><p>Removes all empty parts of the result.</p></item> + <tag>global</tag> <item><p>Repeats the split until the <c><anno>Subject</anno></c> is diff --git a/lib/stdlib/doc/src/c.xml b/lib/stdlib/doc/src/c.xml index b49fa6ad67..b43d4786ae 100644 --- a/lib/stdlib/doc/src/c.xml +++ b/lib/stdlib/doc/src/c.xml @@ -232,6 +232,14 @@ compile:file(<anno>File</anno>, <anno>Options</anno> ++ [report_errors, report_w </desc> </func> <func> + <name name="uptime" arity="0"/> + <fsummary>Print node uptime</fsummary> + <desc> + <p>Prints the node uptime (as given by + <c>erlang:statistics(wall_clock)</c>), in human-readable form.</p> + </desc> + </func> + <func> <name>xm(ModSpec) -> void()</name> <fsummary>Cross reference check a module</fsummary> <type> diff --git a/lib/stdlib/doc/src/calendar.xml b/lib/stdlib/doc/src/calendar.xml index e32a639b81..d8193a9ec2 100644 --- a/lib/stdlib/doc/src/calendar.xml +++ b/lib/stdlib/doc/src/calendar.xml @@ -270,7 +270,8 @@ <fsummary>Convert now to local date and time</fsummary> <desc> <p>This function returns local date and time converted from - the return value from <c>erlang:now()</c>.</p> + the return value from + <seealso marker="erts:erlang#timestamp/0"><c>erlang:timestamp/0</c></seealso>.</p> </desc> </func> <func> @@ -279,7 +280,8 @@ <fsummary>Convert now to date and time</fsummary> <desc> <p>This function returns Universal Coordinated Time (UTC) - converted from the return value from <c>erlang:now()</c>.</p> + converted from the return value from + <seealso marker="erts:erlang#timestamp/0"><c>erlang:timestamp/0</c></seealso>.</p> </desc> </func> <func> diff --git a/lib/stdlib/doc/src/erl_anno.xml b/lib/stdlib/doc/src/erl_anno.xml new file mode 100644 index 0000000000..281feacdc4 --- /dev/null +++ b/lib/stdlib/doc/src/erl_anno.xml @@ -0,0 +1,308 @@ +<?xml version="1.0" encoding="utf-8" ?> +<!DOCTYPE erlref SYSTEM "erlref.dtd"> + +<erlref> + <header> + <copyright> + <year>2015</year> + <year>2015</year> + <holder>Ericsson AB, All Rights Reserved</holder> + </copyright> + <legalnotice> + The contents of this file are subject to the Erlang Public License, + Version 1.1, (the "License"); you may not use this file except in + compliance with the License. You should have received a copy of the + Erlang Public License along with this software. If not, it can be + retrieved on line at http://www.erlang.org/. + + Software distributed under the License is distributed on an "AS IS" + basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + the License for the specific language governing rights and limitations + under the License. + + The Initial Developer of the Original Code is Ericsson AB. + </legalnotice> + + <title>erl_anno</title> + <prepared>Hans Bolinder</prepared> + <responsible>Kenneth Lundin</responsible> + <docno>1</docno> + <approved></approved> + <checked></checked> + <date>2015-02-26</date> + <rev>A</rev> + <file>erl_anno.xml</file> + </header> + <module>erl_anno</module> + + <modulesummary> + Abstract Datatype for the Annotations of the Erlang Compiler + </modulesummary> + + <description> + <p>This module implements an abstract type that is used by the + Erlang Compiler and its helper modules for holding data such as + column, line number, and text. The data type is a collection of + <marker id="annotations"><em>annotations</em></marker> as + described in the following.</p> + <p>The Erlang Token Scanner returns tokens with a subset of + the following annotations, depending on the options:</p> + <taglist> + <tag><c>column</c></tag> + <item><p>The column where the token begins.</p></item> + <tag><c>location</c></tag> + <item><p>The line and column where the token begins, or + just the line if the column unknown.</p> + </item> + <tag><c>text</c></tag> + <item><p>The token's text.</p></item> + </taglist> + <p>From the above the following annotation is derived:</p> + <taglist> + <tag><c>line</c></tag> + <item><p>The line where the token begins.</p></item> + </taglist> + <p>Furthermore, the following annotations are supported by + this module, and used by various modules:</p> + <taglist> + <tag><c>file</c></tag> + <item><p>A filename.</p></item> + <tag><c>generated</c></tag> + <item><p>A Boolean indicating if the abstract code is + compiler generated. The Erlang Compiler does not emit warnings + for such code.</p> + </item> + <tag><c>record</c></tag> + <item><p>A Boolean indicating if the origin of the abstract + code is a record. Used by Dialyzer to assign types to tuple + elements.</p> + </item> + </taglist> + <p>The functions + <seealso marker="erl_scan#column/1">column()</seealso>, + <seealso marker="erl_scan#end_location/1">end_location()</seealso>, + <seealso marker="erl_scan#line/1">line()</seealso>, + <seealso marker="erl_scan#location/1">location()</seealso>, and + <seealso marker="erl_scan#text/1">text()</seealso> + in the <c>erl_scan</c> module can be used for inspecting + annotations in tokens.</p> + <p>The functions + <seealso marker="erl_parse#map_anno/2">map_anno()</seealso>, + <seealso marker="erl_parse#fold_anno/3">fold_anno()</seealso>, + <seealso marker="erl_parse#mapfold_anno/3">mapfold_anno()</seealso>, + <seealso marker="erl_parse#new_anno/1">new_anno()</seealso>, + <seealso marker="erl_parse#anno_from_term/1"> + anno_from_term()</seealso>, and + <seealso marker="erl_parse#anno_to_term/1"> + anno_to_term()</seealso> in the <c>erl_parse</c> module can be + used for manipulating annotations in abstract code. + </p> + </description> + + <datatypes> + <datatype> + <name><marker id="type-anno">anno()</marker></name> + <desc><p>A collection of annotations.</p> + </desc> + </datatype> + <datatype> + <name name="anno_term"></name> + <desc> + <p>The term representing a collection of annotations. It is + either a <c>location()</c> or a list of key-value pairs.</p> + </desc> + </datatype> + <datatype> + <name name="column"></name> + </datatype> + <datatype> + <name name="line"></name> + <desc> + <p>To be changed to a non-negative integer in Erlang/OTP 19.0.</p> + </desc> + </datatype> + <datatype> + <name name="location"></name> + </datatype> + <datatype> + <name name="text"></name> + </datatype> + </datatypes> + + <funcs> + <func> + <name name="column" arity="1"/> + <type name="column"></type> + <fsummary>Return the column</fsummary> + <desc> + <p>Returns the column of the annotations <anno>Anno</anno>. + </p> + </desc> + </func> + <func> + <name name="end_location" arity="1"/> + <type name="location"></type> + <fsummary>Return the end location of the text</fsummary> + <desc> + <p>Returns the end location of the text of the + annotations <anno>Anno</anno>. If there is no text, + <c>undefined</c> is returned. + </p> + </desc> + </func> + <func> + <name name="file" arity="1"/> + <type name="filename"></type> + <fsummary>Return the filename</fsummary> + <desc> + <p>Returns the filename of the annotations <anno>Anno</anno>. + If there is no filename, <c>undefined</c> is returned. + </p> + </desc> + </func> + <func> + <name name="from_term" arity="1"/> + <fsummary>Return annotations given a term</fsummary> + <desc> + <p>Returns annotations with the representation <anno>Term</anno>. + </p> + <!-- + <p>Although it is possible to create new annotations by calling + <c>from_term/1</c>, the intention is that one should not do + so - the proper way to create annotations is to call + <c>new/1</c> and then modify the annotations + by calling the <c>set_*</c> functions.</p> + --> + <p>See also <seealso marker="#to_term/1">to_term()</seealso>. + </p> + </desc> + </func> + <func> + <name name="generated" arity="1"/> + <type name="generated"></type> + <fsummary>Return the generated Boolean</fsummary> + <desc> + <p>Returns <c>true</c> if the annotations <anno>Anno</anno> + has been marked as generated. The default is to return + <c>false</c>. + </p> + </desc> + </func> + <func> + <name name="is_anno" arity="1"/> + <fsummary>Test for a collection of annotations</fsummary> + <desc> + <p>Returns <c>true</c> if <anno>Term</anno> is a collection of + annotations, <c>false</c> otherwise.</p> + </desc> + </func> + <func> + <name name="line" arity="1"/> + <type name="line"></type> + <fsummary>Return the line</fsummary> + <desc> + <p>Returns the line of the annotations <anno>Anno</anno>. + </p> + </desc> + </func> + <func> + <name name="location" arity="1"/> + <type name="location"></type> + <fsummary>Return the location</fsummary> + <desc> + <p>Returns the location of the annotations <anno>Anno</anno>. + </p> + </desc> + </func> + <func> + <name name="new" arity="1"/> + <type name="location"></type> + <fsummary>Create a new collection of annotations</fsummary> + <desc> + <p>Creates a new collection of annotations given a location.</p> + </desc> + </func> + <func> + <name name="set_file" arity="2"/> + <type name="filename"></type> + <fsummary>Modify the filename</fsummary> + <desc> + <p>Modifies the filename of the annotations <anno>Anno</anno>. + </p> + </desc> + </func> + <func> + <name name="set_generated" arity="2"/> + <type name="generated"></type> + <fsummary>Modify the generated marker</fsummary> + <desc> + <p>Modifies the generated marker of the annotations + <anno>Anno</anno>. + </p> + </desc> + </func> + <func> + <name name="set_line" arity="2"/> + <type name="line"></type> + <fsummary>Modify the line</fsummary> + <desc> + <p>Modifies the line of the annotations <anno>Anno</anno>. + </p> + </desc> + </func> + <func> + <name name="set_location" arity="2"/> + <type name="location"></type> + <fsummary>Modify the location</fsummary> + <desc> + <p>Modifies the location of the annotations <anno>Anno</anno>. + </p> + </desc> + </func> + <func> + <name name="set_record" arity="2"/> + <type name="record"></type> + <fsummary>Modify the record marker</fsummary> + <desc> + <p>Modifies the record marker of the annotations <anno>Anno</anno>. + </p> + </desc> + </func> + <func> + <name name="set_text" arity="2"/> + <type name="text"></type> + <fsummary>Modify the text</fsummary> + <desc> + <p>Modifies the text of the annotations <anno>Anno</anno>. + </p> + </desc> + </func> + <func> + <name name="text" arity="1"/> + <type name="text"></type> + <fsummary>Return the text</fsummary> + <desc> + <p>Returns the text of the annotations <anno>Anno</anno>. + If there is no text, <c>undefined</c> is returned. + </p> + </desc> + </func> + <func> + <name name="to_term" arity="1"/> + <fsummary>Return the term representing a collection of + annotations</fsummary> + <desc> + <p>Returns the term representing the annotations <anno>Anno</anno>. + </p> + <p>See also <seealso marker="#from_term/1">from_term()</seealso>. + </p> + </desc> + </func> + </funcs> + <section> + <title>See Also</title> + <p><seealso marker="erl_scan">erl_scan(3)</seealso>, + <seealso marker="erl_parse">erl_parse(3)</seealso> + </p> + </section> +</erlref> diff --git a/lib/stdlib/doc/src/erl_parse.xml b/lib/stdlib/doc/src/erl_parse.xml index cf0bff48cd..b97d06e919 100644 --- a/lib/stdlib/doc/src/erl_parse.xml +++ b/lib/stdlib/doc/src/erl_parse.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2014</year> + <year>1996</year><year>2015</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -192,6 +192,97 @@ considered a string.</p> </desc> </func> + <func> + <name name="map_anno" arity="2"/> + <fsummary> + Map a function over the annotations of an abstract form + </fsummary> + <desc> + <p>Modifies the abstract form <anno>Abstr</anno> by applying + <anno>Fun</anno> on every collection of annotations of the + abstract form. The abstract form is traversed in a + depth-first, left-to-right, fashion. + </p> + </desc> + </func> + <func> + <name name="fold_anno" arity="3"/> + <fsummary> + Fold a function over the annotations of an abstract form + </fsummary> + <desc> + <p>Updates an accumulator by applying <anno>Fun</anno> on + every collection of annotations of the abstract form + <anno>Abstr</anno>. The first call to <anno>Fun</anno> has + <anno>AccIn</anno> as argument, and the returned accumulator + <anno>AccOut</anno> is passed to the next call, and so on. + The final value of the accumulator is returned. The abstract + form is traversed in a depth-first, left-to-right, fashion. + </p> + </desc> + </func> + <func> + <name name="mapfold_anno" arity="3"/> + <fsummary> + Map and fold a function over the annotations of an abstract form + </fsummary> + <desc> + <p>Modifies the abstract form <anno>Abstr</anno> by applying + <anno>Fun</anno> on every collection of annotations of the + abstract form, while at the same time updating an + accumulator. The first call to <anno>Fun</anno> has + <anno>AccIn</anno> as second argument, and the returned + accumulator <anno>AccOut</anno> is passed to the next call, + and so on. The modified abstract form as well as the the + final value of the accumulator is returned. The abstract + form is traversed in a depth-first, left-to-right, fashion. + </p> + </desc> + </func> + <func> + <name name="new_anno" arity="1"/> + <fsummary> + Create new annotations + </fsummary> + <desc> + <p>Creates an abstract form from a term which has the same + structure as an abstract form, but <seealso + marker="erl_anno#type-location">locations</seealso> where the + abstract form has annotations. For each location, <seealso + marker="erl_anno#new/1"><c>erl_anno:new/1</c></seealso> is + called, and the annotations replace the location. + </p> + </desc> + </func> + <func> + <name name="anno_from_term" arity="1"/> + <fsummary> + Return annotations as terms + </fsummary> + <desc> + <p>Assumes that <anno>Term</anno> is a term with the same + structure as an abstract form, but with terms, T say, on + those places where an abstract form has annotations. Returns + an abstract form where every term T has been replaced by the + value returned by calling <c>erl_anno:from_term(T)</c>. The + term <anno>Term</anno> is traversed in a depth-first, + left-to-right, fashion. + </p> + </desc> + </func> + <func> + <name name="anno_to_term" arity="1"/> + <fsummary> + Return the representation of annotations + </fsummary> + <desc> + <p>Returns a term where every collection of annotations Anno of + <anno>Abstr</anno> has been replaced by the term returned by + calling <c>erl_anno:to_term(Anno)</c>. The abstract form is + traversed in a depth-first, left-to-right, fashion. + </p> + </desc> + </func> </funcs> <section> @@ -211,8 +302,9 @@ <section> <title>See Also</title> <p><seealso marker="io">io(3)</seealso>, - <seealso marker="erl_scan">erl_scan(3)</seealso>, - ERTS User's Guide</p> + <seealso marker="erl_anno">erl_anno(3)</seealso>, + <seealso marker="erl_scan">erl_scan(3)</seealso>, + <seealso marker="erts:absform">ERTS User's Guide</seealso></p> </section> </erlref> diff --git a/lib/stdlib/doc/src/erl_scan.xml b/lib/stdlib/doc/src/erl_scan.xml index 855c8fc195..8f9c1db25b 100644 --- a/lib/stdlib/doc/src/erl_scan.xml +++ b/lib/stdlib/doc/src/erl_scan.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2013</year> + <year>1996</year><year>2015</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -120,7 +120,7 @@ <c>string(<anno>String</anno>, <anno>StartLocation</anno>, [])</c>.</p> <p><c><anno>StartLocation</anno></c> indicates the initial location - when scanning starts. If <c><anno>StartLocation</anno></c> is a line + when scanning starts. If <c><anno>StartLocation</anno></c> is a line, <c>attributes()</c> as well as <c><anno>EndLocation</anno></c> and <c><anno>ErrorLocation</anno></c> will be lines. If <c><anno>StartLocation</anno></c> is a pair of a line and a column @@ -132,8 +132,12 @@ line where the token begins, as well as the text of the token (if the <c>text</c> option is given), all of which can be accessed by calling <seealso - marker="#token_info/1">token_info/1,2</seealso> or <seealso - marker="#attributes_info/1">attributes_info/1,2</seealso>.</p> + marker="#token_info/1">token_info/1,2</seealso>, <seealso + marker="#attributes_info/1">attributes_info/1,2</seealso>, + <seealso marker="#column/1">column/1</seealso>, + <seealso marker="#line/1">line/1</seealso>, + <seealso marker="#location/1">location/1</seealso>, and + <seealso marker="#text/1">text/1</seealso>.</p> <p>A <em>token</em> is a tuple containing information about syntactic category, the token attributes, and the actual terminal symbol. For punctuation characters (e.g. <c>;</c>, @@ -237,6 +241,70 @@ </desc> </func> <func> + <name name="category" arity="1"/> + <fsummary>Return the category</fsummary> + <desc> + <p>Returns the category of <c><anno>Token</anno></c>. + </p> + </desc> + </func> + <func> + <name name="symbol" arity="1"/> + <fsummary>Return the symbol</fsummary> + <desc> + <p>Returns the symbol of <c><anno>Token</anno></c>. + </p> + </desc> + </func> + <func> + <name name="column" arity="1"/> + <fsummary>Return the column</fsummary> + <desc> + <p>Returns the column of <c><anno>Token</anno></c>'s + collection of annotations. + </p> + </desc> + </func> + <func> + <name name="end_location" arity="1"/> + <fsummary>Return the end location of the text</fsummary> + <desc> + <p>Returns the end location of the text of + <c><anno>Token</anno></c>'s collection of annotations. If + there is no text, + <c>undefined</c> is returned. + </p> + </desc> + </func> + <func> + <name name="line" arity="1"/> + <fsummary>Return the line</fsummary> + <desc> + <p>Returns the line of <c><anno>Token</anno></c>'s collection + of annotations. + </p> + </desc> + </func> + <func> + <name name="location" arity="1"/> + <fsummary>Return the location</fsummary> + <desc> + <p>Returns the location of <c><anno>Token</anno></c>'s + collection of annotations. + </p> + </desc> + </func> + <func> + <name name="text" arity="1"/> + <fsummary>Return the text</fsummary> + <desc> + <p>Returns the text of <c><anno>Token</anno></c>'s collection + of annotations. If there is no text, <c>undefined</c> is + returned. + </p> + </desc> + </func> + <func> <name name="token_info" arity="1"/> <fsummary>Return information about a token</fsummary> <desc> @@ -417,6 +485,7 @@ Module:format_error(ErrorDescriptor)</code> <section> <title>See Also</title> <p><seealso marker="io">io(3)</seealso>, - <seealso marker="erl_parse">erl_parse(3)</seealso></p> + <seealso marker="erl_anno">erl_anno(3)</seealso>, + <seealso marker="erl_parse">erl_parse(3)</seealso></p> </section> </erlref> diff --git a/lib/stdlib/doc/src/ets.xml b/lib/stdlib/doc/src/ets.xml index 3df24bf688..2bfe074c3e 100644 --- a/lib/stdlib/doc/src/ets.xml +++ b/lib/stdlib/doc/src/ets.xml @@ -456,6 +456,12 @@ Error: fun containing local Erlang function calls <item><c>{type, <seealso marker="#type-type">type()</seealso>}</c> <br></br> The table type.</item> + <item><c>{read_concurrency, boolean()}</c> <br></br> + + Indicates whether the table uses read_concurrency or not.</item> + <item><c>{write_concurrency, boolean()}</c> <br></br> + + Indicates whether the table uses write_concurrency or not.</item> </list> </desc> </func> @@ -1429,7 +1435,9 @@ is_integer(X), is_integer(Y), X + Y < 4711]]></code> <p>Whenever the <c>extended_info</c> option is used, it results in a file not readable by versions of ets prior to that in stdlib-1.15.1</p> - + <p>The <c>sync</c> option, if set to <c>true</c>, ensures that + the content of the file is actually written to the disk before + <c>tab2file</c> returns. Default is <c>{sync, false}</c>.</p> </desc> </func> <func> @@ -1587,6 +1595,21 @@ true</pre> </desc> </func> <func> + <name name="take" arity="2"/> + <fsummary>Return and remove all objects with a given key from an ETS + table.</fsummary> + <desc> + <p>Returns a list of all objects with the key <c><anno>Key</anno></c> in + the table <c><anno>Tab</anno></c> and removes.</p> + <p>The given <c><anno>Key</anno></c> is used to identify the object by + either <em>comparing equal</em> the key of an object in an + <c>ordered_set</c> table, or <em>matching</em> in other types of + tables (see <seealso marker="#lookup/2">lookup/2</seealso> and + <seealso marker="#new/2">new/2</seealso> for details on the + difference).</p> + </desc> + </func> + <func> <name name="to_dets" arity="2"/> <fsummary>Fill a Dets table with objects from an ETS table.</fsummary> <desc> @@ -1597,14 +1620,18 @@ true</pre> </func> <func> <name name="update_counter" arity="3" clause_i="1"/> + <name name="update_counter" arity="4" clause_i="1"/> <name name="update_counter" arity="3" clause_i="2"/> + <name name="update_counter" arity="4" clause_i="2"/> <name name="update_counter" arity="3" clause_i="3"/> + <name name="update_counter" arity="4" clause_i="3"/> <type variable="Tab"/> <type variable="Key"/> <type variable="UpdateOp" name_i="1"/> <type variable="Pos" name_i="1"/> <type variable="Threshold" name_i="1"/> <type variable="SetValue" name_i="1"/> + <type variable="Default"/> <fsummary>Update a counter object in an ETS table.</fsummary> <desc> <p>This function provides an efficient way to update one or more @@ -1646,12 +1673,22 @@ true</pre> <seealso marker="#lookup/2">lookup/2</seealso> and <seealso marker="#new/2">new/2</seealso> for details on the difference).</p> + <p>If a default object <c><anno>Default</anno></c> is given, it is used + as the object to be updated if the key is missing from the table. The + value in place of the key is ignored and replaced by the proper key + value. The return value is as if the default object had not been used, + that is a single updated element or a list of them.</p> <p>The function will fail with reason <c>badarg</c> if:</p> <list type="bulleted"> <item>the table is not of type <c>set</c> or <c>ordered_set</c>,</item> - <item>no object with the right key exists,</item> + <item>no object with the right key exists and no default object were + supplied,</item> <item>the object has the wrong arity,</item> + <item>the default object arity is smaller than + <c><![CDATA[<keypos>]]></c></item> + <item>any field from the default object being updated is not an + integer</item> <item>the element to update is not an integer,</item> <item>the element to update is also the key, or,</item> <item>any of <c><anno>Pos</anno></c>, <c><anno>Incr</anno></c>, <c><anno>Threshold</anno></c> or diff --git a/lib/stdlib/doc/src/file_sorter.xml b/lib/stdlib/doc/src/file_sorter.xml index 16572df3c5..c069333c29 100644 --- a/lib/stdlib/doc/src/file_sorter.xml +++ b/lib/stdlib/doc/src/file_sorter.xml @@ -105,9 +105,9 @@ <c>file:get_cwd()</c> is used instead. The names of temporary files are derived from the Erlang nodename (<c>node()</c>), the process identifier of the current Erlang - emulator (<c>os:getpid()</c>), and a timestamp - (<c>erlang:now()</c>); a typical name would be - <c>fs_mynode@myhost_1763_1043_337000_266005.17</c>, where + emulator (<c>os:getpid()</c>), and a unique integer + (<c>erlang:unique_integer([positive])</c>); a typical name would be + <c>fs_mynode@myhost_1763_4711.17</c>, where <c>17</c> is a sequence number. Existing files will be overwritten. Temporary files are deleted unless some uncaught EXIT signal occurs. diff --git a/lib/stdlib/doc/src/gb_sets.xml b/lib/stdlib/doc/src/gb_sets.xml index ea96c14472..405bae5698 100644 --- a/lib/stdlib/doc/src/gb_sets.xml +++ b/lib/stdlib/doc/src/gb_sets.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>2001</year><year>2014</year> + <year>2001</year><year>2015</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -306,6 +306,17 @@ </desc> </func> <func> + <name name="iterator_from" arity="2"/> + <fsummary>Return an iterator for a set starting from a specified element</fsummary> + <desc> + <p>Returns an iterator that can be used for traversing the + entries of <c><anno>Set</anno></c>; see <c>next/1</c>. + The difference as compared to the iterator returned by + <c>iterator/1</c> is that the first element greater than + or equal to <c><anno>Element</anno></c> is returned.</p> + </desc> + </func> + <func> <name name="largest" arity="1"/> <fsummary>Return largest element</fsummary> <desc> diff --git a/lib/stdlib/doc/src/gb_trees.xml b/lib/stdlib/doc/src/gb_trees.xml index b2f237e1d7..82167e1083 100644 --- a/lib/stdlib/doc/src/gb_trees.xml +++ b/lib/stdlib/doc/src/gb_trees.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>2001</year><year>2014</year> + <year>2001</year><year>2015</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -183,6 +183,17 @@ </desc> </func> <func> + <name name="iterator_from" arity="2"/> + <fsummary>Return an iterator for a tree starting from specified key</fsummary> + <desc> + <p>Returns an iterator that can be used for traversing the + entries of <c><anno>Tree</anno></c>; see <c>next/1</c>. + The difference as compared to the iterator returned by + <c>iterator/1</c> is that the first key greater than + or equal to <c><anno>Key</anno></c> is returned.</p> + </desc> + </func> + <func> <name name="keys" arity="1"/> <fsummary>Return a list of the keys in a tree</fsummary> <desc> diff --git a/lib/stdlib/doc/src/gen_event.xml b/lib/stdlib/doc/src/gen_event.xml index b9dfff833e..5c96d6e576 100644 --- a/lib/stdlib/doc/src/gen_event.xml +++ b/lib/stdlib/doc/src/gen_event.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2013</year> + <year>1996</year><year>2014</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -44,6 +44,7 @@ <pre> gen_event module Callback module ---------------- --------------- +gen_event:start gen_event:start_link -----> - gen_event:add_handler @@ -177,7 +178,7 @@ gen_event:stop -----> Module:terminate/2 <name>add_handler(EventMgrRef, Handler, Args) -> Result</name> <fsummary>Add an event handler to a generic event manager.</fsummary> <type> - <v>EventMgr = Name | {Name,Node} | {global,GlobalName} + <v>EventMgrRef = Name | {Name,Node} | {global,GlobalName} | {via,Module,ViaName} | pid()</v> <v> Name = Node = atom()</v> <v> GlobalName = ViaName = term()</v> @@ -223,7 +224,7 @@ gen_event:stop -----> Module:terminate/2 <name>add_sup_handler(EventMgrRef, Handler, Args) -> Result</name> <fsummary>Add a supervised event handler to a generic event manager.</fsummary> <type> - <v>EventMgr = Name | {Name,Node} | {global,GlobalName} + <v>EventMgrRef = Name | {Name,Node} | {global,GlobalName} | {via,Module,ViaName} | pid()</v> <v> Name = Node = atom()</v> <v> GlobalName = ViaName = term()</v> @@ -456,19 +457,37 @@ gen_event:stop -----> Module:terminate/2 </func> <func> <name>stop(EventMgrRef) -> ok</name> + <name>stop(EventMgrRef, Reason, Timeout) -> ok</name> <fsummary>Terminate a generic event manager.</fsummary> <type> <v>EventMgrRef = Name | {Name,Node} | {global,GlobalName} | {via,Module,ViaName} | pid()</v> <v>Name = Node = atom()</v> <v>GlobalName = ViaName = term()</v> + <v>Reason = term()</v> + <v>Timeout = int()>0 | infinity</v> </type> <desc> - <p>Terminates the event manager <c>EventMgrRef</c>. Before - terminating, the event manager will call - <c>Module:terminate(stop,...)</c> for each installed event - handler.</p> - <p>See <c>add_handler/3</c> for a description of the argument.</p> + <p>Orders the event manager <c>EventMgrRef</c> to exit with + the given <c>Reason</c> and waits for it to + terminate. Before terminating, the gen_event will call + <seealso marker="#Module:terminate/2">Module:terminate(stop,...)</seealso> + for each installed event handler.</p> + <p>The function returns <c>ok</c> if the event manager terminates + with the expected reason. Any other reason than <c>normal</c>, + <c>shutdown</c>, or <c>{shutdown,Term}</c> will cause an + error report to be issued using + <seealso marker="kernel:error_logger#format/2">error_logger:format/2</seealso>. + The default <c>Reason</c> is <c>normal</c>.</p> + <p><c>Timeout</c> is an integer greater than zero which + specifies how many milliseconds to wait for the event manager to + terminate, or the atom <c>infinity</c> to wait + indefinitely. The default value is <c>infinity</c>. If the + event manager has not terminated within the specified time, a + <c>timeout</c> exception is raised.</p> + <p>If the process does not exist, a <c>noproc</c> exception + is raised.</p> + <p>See <c>add_handler/3</c> for a description of <c>EventMgrRef</c>.</p> </desc> </func> </funcs> diff --git a/lib/stdlib/doc/src/gen_fsm.xml b/lib/stdlib/doc/src/gen_fsm.xml index 848d57f3e6..b1bba3eff0 100644 --- a/lib/stdlib/doc/src/gen_fsm.xml +++ b/lib/stdlib/doc/src/gen_fsm.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2013</year> + <year>1996</year><year>2014</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -43,8 +43,11 @@ <pre> gen_fsm module Callback module -------------- --------------- +gen_fsm:start gen_fsm:start_link -----> Module:init/1 +gen_fsm:stop -----> Module:terminate/3 + gen_fsm:send_event -----> Module:StateName/2 gen_fsm:send_all_state_event -----> Module:handle_event/3 @@ -187,6 +190,39 @@ gen_fsm:sync_send_all_state_event -----> Module:handle_sync_event/4 </desc> </func> <func> + <name>stop(FsmRef) -> ok</name> + <name>stop(FsmRef, Reason, Timeout) -> ok</name> + <fsummary>Synchronously stop a generic FSM.</fsummary> + <type> + <v>FsmRef = Name | {Name,Node} | {global,GlobalName} + | {via,Module,ViaName} | pid()</v> + <v> Node = atom()</v> + <v> GlobalName = ViaName = term()</v> + <v>Reason = term()</v> + <v>Timeout = int()>0 | infinity</v> + </type> + <desc> + <p>Orders a generic FSM to exit with the given <c>Reason</c> + and waits for it to terminate. The gen_fsm will call + <seealso marker="#Module:terminate/3">Module:terminate/3</seealso> + before exiting.</p> + <p>The function returns <c>ok</c> if the generic FSM terminates + with the expected reason. Any other reason than <c>normal</c>, + <c>shutdown</c>, or <c>{shutdown,Term}</c> will cause an + error report to be issued using + <seealso marker="kernel:error_logger#format/2">error_logger:format/2</seealso>. + The default <c>Reason</c> is <c>normal</c>.</p> + <p><c>Timeout</c> is an integer greater than zero which + specifies how many milliseconds to wait for the generic FSM + to terminate, or the atom <c>infinity</c> to wait + indefinitely. The default value is <c>infinity</c>. If the + generic FSM has not terminated within the specified time, a + <c>timeout</c> exception is raised.</p> + <p>If the process does not exist, a <c>noproc</c> exception + is raised.</p> + </desc> + </func> + <func> <name>send_event(FsmRef, Event) -> ok</name> <fsummary>Send an event asynchronously to a generic FSM.</fsummary> <type> @@ -528,7 +564,8 @@ gen_fsm:sync_send_all_state_event -----> Module:handle_sync_event/4 <c>Module:init/1</c> for a description of <c>Timeout</c> and <c>hibernate</c>.</p> <p>If the function returns <c>{stop,Reason,NewStateData}</c>, the gen_fsm will call - <c>Module:terminate(Reason,NewStateData)</c> and terminate.</p> + <c>Module:terminate(Reason,StateName,NewStateData)</c> and + terminate.</p> </desc> </func> <func> @@ -614,7 +651,8 @@ gen_fsm:sync_send_all_state_event -----> Module:handle_sync_event/4 <c>{stop,Reason,NewStateData}</c>, any reply to <c>From</c> must be given explicitly using <c>gen_fsm:reply/2</c>. The gen_fsm will then call - <c>Module:terminate(Reason,NewStateData)</c> and terminate.</p> + <c>Module:terminate(Reason,StateName,NewStateData)</c> and + terminate.</p> </desc> </func> <func> diff --git a/lib/stdlib/doc/src/gen_server.xml b/lib/stdlib/doc/src/gen_server.xml index 62c0394479..3c92de59b9 100644 --- a/lib/stdlib/doc/src/gen_server.xml +++ b/lib/stdlib/doc/src/gen_server.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2013</year> + <year>1996</year><year>2014</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -43,8 +43,11 @@ <pre> gen_server module Callback module ----------------- --------------- +gen_server:start gen_server:start_link -----> Module:init/1 +gen_server:stop -----> Module:terminate/2 + gen_server:call gen_server:multi_call -----> Module:handle_call/3 @@ -184,6 +187,40 @@ gen_server:abcast -----> Module:handle_cast/2 </desc> </func> <func> + <name>stop(ServerRef) -> ok</name> + <name>stop(ServerRef, Reason, Timeout) -> ok</name> + <fsummary>Synchronously stop a generic server.</fsummary> + <type> + <v>ServerRef = Name | {Name,Node} | {global,GlobalName} + | {via,Module,ViaName} | pid()</v> + <v> Node = atom()</v> + <v> GlobalName = ViaName = term()</v> + <v>Reason = term()</v> + <v>Timeout = int()>0 | infinity</v> + </type> + <desc> + <p>Orders a generic server to exit with the + given <c>Reason</c> and waits for it to terminate. The + gen_server will call + <seealso marker="#Module:terminate/2">Module:terminate/2</seealso> + before exiting.</p> + <p>The function returns <c>ok</c> if the server terminates + with the expected reason. Any other reason than <c>normal</c>, + <c>shutdown</c>, or <c>{shutdown,Term}</c> will cause an + error report to be issued using + <seealso marker="kernel:error_logger#format/2">error_logger:format/2</seealso>. + The default <c>Reason</c> is <c>normal</c>.</p> + <p><c>Timeout</c> is an integer greater than zero which + specifies how many milliseconds to wait for the server to + terminate, or the atom <c>infinity</c> to wait + indefinitely. The default value is <c>infinity</c>. If the + server has not terminated within the specified time, a + <c>timeout</c> exception is raised.</p> + <p>If the process does not exist, a <c>noproc</c> exception + is raised.</p> + </desc> + </func> + <func> <name>call(ServerRef, Request) -> Reply</name> <name>call(ServerRef, Request, Timeout) -> Reply</name> <fsummary>Make a synchronous call to a generic server.</fsummary> @@ -284,7 +321,7 @@ gen_server:abcast -----> Module:handle_cast/2 which may be infinity.</p> <p>This problem does not exist if all nodes are Erlang nodes.</p> </warning> - <p>To avoid that late answers (after the timeout) pollutes + <p>To prevent late answers (after the timeout) from polluting the caller's message queue, a middleman process is used to do the actual calls. Late answers will then be discarded when they arrive to a terminated process.</p> diff --git a/lib/stdlib/doc/src/io.xml b/lib/stdlib/doc/src/io.xml index a28180b42a..8ebfdb2e7f 100644 --- a/lib/stdlib/doc/src/io.xml +++ b/lib/stdlib/doc/src/io.xml @@ -505,7 +505,8 @@ ok <p>Writes the data with standard syntax in the same way as <c>~w</c>, but breaks terms whose printed representation is longer than one line into many lines and indents each - line sensibly. It also tries to detect lists of + line sensibly. Left justification is not supported. + It also tries to detect lists of printable characters and to output these as strings. The Unicode translation modifier is used for determining what characters are printable. For example:</p> diff --git a/lib/stdlib/doc/src/io_lib.xml b/lib/stdlib/doc/src/io_lib.xml index 3312b08064..2117d66381 100644 --- a/lib/stdlib/doc/src/io_lib.xml +++ b/lib/stdlib/doc/src/io_lib.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2013</year> + <year>1996</year><year>2014</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -59,6 +59,35 @@ <datatype> <name name="latin1_string"/> </datatype> + <datatype> + <name name="format_spec"/> + <desc><p>Description:</p> + <list type="bulleted"> + <item><p><c>control_char</c> is the type of control + sequence: <c>$P</c>, <c>$w</c>, and so on;</p> + </item> + <item><p><c>args</c> is a list of the arguments used by the + control sequence, or an empty list if the control sequence + does not take any arguments;</p> + </item> + <item><p><c>width</c> is the field width;</p> + </item> + <item><p><c>adjust</c> is the adjustment;</p> + </item> + <item><p><c>precision</c> is the precision of the printed + argument;</p> + </item> + <item><p><c>pad_char</c> is the padding character;</p> + </item> + <item><p><c>encoding</c> is set to <c>true</c> if the translation + modifier <c>t</c> is present;</p> + </item> + <item><p><c>strings</c> is set to <c>false</c> if the modifier + <c>l</c> is present.</p> + </item> + </list> + </desc> + </datatype> </datatypes> <funcs> <func> @@ -260,6 +289,45 @@ </desc> </func> <func> + <name name="scan_format" arity="2"/> + <fsummary>Parse all control sequences in the format string</fsummary> + <desc> + <p>Returns a list corresponding to the given format string, + where control sequences have been replaced with + corresponding tuples. This list can be passed to <seealso + marker="#build_text/1">io_lib:build_text/1</seealso> to have + the same effect as <c>io_lib:format(Format, Args)</c>, or to + <seealso + marker="#unscan_format/1">io_lib:unscan_format/1</seealso> + in order to get the corresponding pair of <c>Format</c> and + <c>Args</c> (with every <c>*</c> and corresponding argument + expanded to numeric values).</p> + <p>A typical use of this function is to replace unbounded-size + control sequences like <c>~w</c> and <c>~p</c> with the + depth-limited variants <c>~W</c> and <c>~P</c> before + formatting to text, e.g. in a logger.</p> + </desc> + </func> + <func> + <name name="unscan_format" arity="1"/> + <fsummary>Revert a pre-parsed format list to a plain character list + and a list of arguments</fsummary> + <desc> + <p>See <seealso + marker="#scan_format/2">io_lib:scan_format/2</seealso> for + details.</p> + </desc> + </func> + <func> + <name name="build_text" arity="1"/> + <fsummary>Build the output text for a pre-parsed format list</fsummary> + <desc> + <p>See <seealso + marker="#scan_format/2">io_lib:scan_format/2</seealso> for + details.</p> + </desc> + </func> + <func> <name name="indentation" arity="2"/> <fsummary>Indentation after printing string</fsummary> <desc> diff --git a/lib/stdlib/doc/src/lists.xml b/lib/stdlib/doc/src/lists.xml index ee3c51c62c..dcc08d008b 100644 --- a/lib/stdlib/doc/src/lists.xml +++ b/lib/stdlib/doc/src/lists.xml @@ -176,7 +176,7 @@ filtermap(Fun, List1) -> false -> Acc; true -> [Elem|Acc]; {true,Value} -> [Value|Acc] - end, + end end, [], List1).</code> <p>Example:</p> <pre> diff --git a/lib/stdlib/doc/src/maps.xml b/lib/stdlib/doc/src/maps.xml index f766c843be..7345a9357a 100644 --- a/lib/stdlib/doc/src/maps.xml +++ b/lib/stdlib/doc/src/maps.xml @@ -33,6 +33,28 @@ <funcs> <func> + <name name="filter" arity="2"/> + <fsummary>Choose pairs which satisfy a predicate</fsummary> + <desc> + <p> + Returns a map <c><anno>Map2</anno></c> for which predicate + <c><anno>Pred</anno></c> holds true in <c><anno>Map1</anno></c>. + </p> + <p> + The call will fail with a <c>{badmap,Map}</c> exception if + <c><anno>Map1</anno></c> is not a map or with <c>badarg</c> if + <c><anno>Pred</anno></c> is not a function of arity 2. + </p> + <p>Example:</p> + <code type="none"> +> M = #{a => 2, b => 3, c=> 4, "a" => 1, "b" => 2, "c" => 4}, + Pred = fun(K,V) -> is_atom(K) andalso (V rem 2) =:= 0 end, + maps:filter(Pred,M). +#{a => 2,c => 4} </code> + </desc> + </func> + + <func> <name name="find" arity="2"/> <fsummary></fsummary> <desc> @@ -40,6 +62,9 @@ Returns a tuple <c>{ok, Value}</c> where <c><anno>Value</anno></c> is the value associated with <c><anno>Key</anno></c>, or <c>error</c> if no value is associated with <c><anno>Key</anno></c> in <c><anno>Map</anno></c>. </p> + <p> + The call will fail with a <c>{badmap,Map}</c> exception if <c><anno>Map</anno></c> is not a map. + </p> <p>Example:</p> <code type="none"> > Map = #{"hi" => 42}, @@ -95,8 +120,10 @@ <p> Returns the value <c><anno>Value</anno></c> associated with <c><anno>Key</anno></c> if <c><anno>Map</anno></c> contains <c><anno>Key</anno></c>. - If no value is associated with <c><anno>Key</anno></c> then the call will - fail with an exception. + </p> + <p> + The call will fail with a <c>{badmap,Map}</c> exception if <c><anno>Map</anno></c> is not a map, + or with a <c>{badkey,Key}</c> exception if no value is associated with <c><anno>Key</anno></c>. </p> <p>Example:</p> <code type="none"> @@ -116,6 +143,10 @@ <c><anno>Map</anno></c> contains <c><anno>Key</anno></c>. If no value is associated with <c><anno>Key</anno></c> then returns <c><anno>Default</anno></c>. </p> + <p> + The call will fail with a <c>{badmap,Map}</c> exception if <c><anno>Map</anno></c> is not a map. + + </p> <p>Example:</p> <code type="none"> > Map = #{ key1 => val1, key2 => val2 }. @@ -134,7 +165,9 @@ val1 <p> Returns <c>true</c> if map <c><anno>Map</anno></c> contains <c><anno>Key</anno></c> and returns <c>false</c> if it does not contain the <c><anno>Key</anno></c>. - The function will fail with an exception if <c><anno>Map</anno></c> is not a Map. + </p> + <p> + The call will fail with a <c>{badmap,Map}</c> exception if <c><anno>Map</anno></c> is not a map. </p> <p>Example:</p> <code type="none"> @@ -154,6 +187,9 @@ false</code> <p> Returns a complete list of keys, in arbitrary order, which resides within <c><anno>Map</anno></c>. </p> + <p> + The call will fail with a <c>{badmap,Map}</c> exception if <c><anno>Map</anno></c> is not a map. + </p> <p>Example:</p> <code type="none"> > Map = #{42 => value_three,1337 => "value two","a" => 1}, @@ -189,6 +225,10 @@ false</code> Merges two maps into a single map <c><anno>Map3</anno></c>. If two keys exists in both maps the value in <c><anno>Map1</anno></c> will be superseded by the value in <c><anno>Map2</anno></c>. </p> + <p> + The call will fail with a <c>{badmap,Map}</c> exception if <c><anno>Map1</anno></c> or + <c><anno>Map2</anno></c> is not a map. + </p> <p>Example:</p> <code type="none"> > Map1 = #{a => "value_one", b => "value_two"}, @@ -222,6 +262,10 @@ false</code> replaced by value <c><anno>Value</anno></c>. The function returns a new map <c><anno>Map2</anno></c> containing the new association and the old associations in <c><anno>Map1</anno></c>. </p> + <p> + The call will fail with a <c>{badmap,Map}</c> exception if <c><anno>Map1</anno></c> is not a map. + </p> + <p>Example:</p> <code type="none"> > Map = #{"a" => 1}. @@ -241,6 +285,9 @@ false</code> The function removes the <c><anno>Key</anno></c>, if it exists, and its associated value from <c><anno>Map1</anno></c> and returns a new map <c><anno>Map2</anno></c> without key <c><anno>Key</anno></c>. </p> + <p> + The call will fail with a <c>{badmap,Map}</c> exception if <c><anno>Map1</anno></c> is not a map. + </p> <p>Example:</p> <code type="none"> > Map = #{"a" => 1}. @@ -276,6 +323,9 @@ false</code> The fuction returns a list of pairs representing the key-value associations of <c><anno>Map</anno></c>, where the pairs, <c>[{K1,V1}, ..., {Kn,Vn}]</c>, are returned in arbitrary order. </p> + <p> + The call will fail with a <c>{badmap,Map}</c> exception if <c><anno>Map</anno></c> is not a map. + </p> <p>Example:</p> <code type="none"> > Map = #{42 => value_three,1337 => "value two","a" => 1}, @@ -291,8 +341,11 @@ false</code> <p> If <c><anno>Key</anno></c> exists in <c><anno>Map1</anno></c> the old associated value is replaced by value <c><anno>Value</anno></c>. The function returns a new map <c><anno>Map2</anno></c> containing - the new associated value. If <c><anno>Key</anno></c> does not exist in <c><anno>Map1</anno></c> an exception is - generated. + the new associated value. + </p> + <p> + The call will fail with a <c>{badmap,Map}</c> exception if <c><anno>Map1</anno></c> is not a map, + or with a <c>{badkey,Key}</c> exception if no value is associated with <c><anno>Key</anno></c>. </p> <p>Example:</p> <code type="none"> @@ -308,7 +361,10 @@ false</code> <fsummary></fsummary> <desc> <p> - Returns a complete list of values, in arbitrary order, contained in map <c>M</c>. + Returns a complete list of values, in arbitrary order, contained in map <c>Map</c>. + </p> + <p> + The call will fail with a <c>{badmap,Map}</c> exception if <c><anno>Map</anno></c> is not a map. </p> <p>Example:</p> <code type="none"> diff --git a/lib/stdlib/doc/src/math.xml b/lib/stdlib/doc/src/math.xml index 43cd20e726..7cfc8a1175 100644 --- a/lib/stdlib/doc/src/math.xml +++ b/lib/stdlib/doc/src/math.xml @@ -67,6 +67,7 @@ <name name="atanh" arity="1"/> <name name="exp" arity="1"/> <name name="log" arity="1"/> + <name name="log2" arity="1"/> <name name="log10" arity="1"/> <name name="pow" arity="2"/> <name name="sqrt" arity="1"/> diff --git a/lib/stdlib/doc/src/orddict.xml b/lib/stdlib/doc/src/orddict.xml index 6d1702bc59..c853b402d4 100644 --- a/lib/stdlib/doc/src/orddict.xml +++ b/lib/stdlib/doc/src/orddict.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>2000</year><year>2013</year> + <year>2000</year><year>2015</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -48,8 +48,11 @@ <datatypes> <datatype> - <name name="orddict"/> - <desc><p>As returned by new/0.</p></desc> + <name name="orddict" n_vars="2"/> + <desc><p>Dictionary as returned by <c>new/0</c>.</p></desc> + </datatype> + <datatype> + <name name="orddict" n_vars="0"/> </datatype> </datatypes> @@ -125,8 +128,7 @@ <c><anno>Orddict</anno></c> together with an extra argument <c>Acc</c> (short for accumulator). <c><anno>Fun</anno></c> must return a new accumulator which is passed to the next call. <c><anno>Acc0</anno></c> is - returned if the list is empty. The evaluation order is - undefined.</p> + returned if the list is empty.</p> </desc> </func> <func> @@ -150,8 +152,7 @@ <fsummary>Map a function over a dictionary</fsummary> <desc> <p><c>map</c> calls <c><anno>Fun</anno></c> on successive keys and values - of <c><anno>Orddict1</anno></c> to return a new value for each key. - The evaluation order is undefined.</p> + of <c><anno>Orddict1</anno></c> to return a new value for each key.</p> </desc> </func> <func> diff --git a/lib/stdlib/doc/src/pg.xml b/lib/stdlib/doc/src/pg.xml deleted file mode 100644 index a3b69884b6..0000000000 --- a/lib/stdlib/doc/src/pg.xml +++ /dev/null @@ -1,114 +0,0 @@ -<?xml version="1.0" encoding="utf-8" ?> -<!DOCTYPE erlref SYSTEM "erlref.dtd"> - -<erlref> - <header> - <copyright> - <year>1996</year> - <year>2014</year> - <holder>Ericsson AB, All Rights Reserved</holder> - </copyright> - <legalnotice> - The contents of this file are subject to the Erlang Public License, - Version 1.1, (the "License"); you may not use this file except in - compliance with the License. You should have received a copy of the - Erlang Public License along with this software. If not, it can be - retrieved online at http://www.erlang.org/. - - Software distributed under the License is distributed on an "AS IS" - basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - the License for the specific language governing rights and limitations - under the License. - - The Initial Developer of the Original Code is Ericsson AB. - </legalnotice> - - <title>pg</title> - <prepared></prepared> - <docno></docno> - <date></date> - <rev></rev> - </header> - <module>pg</module> - <modulesummary>Distributed, Named Process Groups</modulesummary> - <description> - <warning> - <p>This module is deprecated and will be removed in Erlang/OTP 18.</p> - </warning> - <p>This (experimental) module implements process groups. A process - group is a group of processes that can be accessed by a common - name. For example, a group named <c>foobar</c> can include a set - of processes as members of this group and they can be located on - different nodes.</p> - <p>When messages are sent to the named group, all members of - the group receive the message. The messages are serialized. If - the process <c>P1</c> sends the message <c>M1</c> to the group, - and process <c>P2</c> simultaneously sends message <c>M2</c>, then - all members of the group receive the two messages in the same - order. If members of a group terminate, they are automatically - removed from the group.</p> - <p>This module is not complete. The module is inspired by the ISIS - system and the causal order protocol of the ISIS system should - also be implemented. At the moment, all messages are serialized - by sending them through a group master process.</p> - </description> - <funcs> - <func> - <name name="create" arity="1"/> - <fsummary>Create an empty group</fsummary> - <desc> - <p>Creates an empty group named <c><anno>PgName</anno></c> on the current - node.</p> - </desc> - </func> - <func> - <name name="create" arity="2"/> - <fsummary>Create an empty group on another node</fsummary> - <desc> - <p>Creates an empty group named <c><anno>PgName</anno></c> on the node - <c><anno>Node</anno></c>.</p> - </desc> - </func> - <func> - <name name="join" arity="2"/> - <fsummary>Join a pid to a process group</fsummary> - <desc> - <p>Joins the pid <c><anno>Pid</anno></c> to the process group - <c><anno>PgName</anno></c>. - Returns a list of all old members of the group.</p> - </desc> - </func> - <func> - <name name="send" arity="2"/> - <fsummary>Send a message to all members of a process group</fsummary> - <desc> - <p>Sends the tuple <c>{pg_message, From, PgName, Msg}</c> to - all members of the process group <c><anno>PgName</anno></c>.</p> - <p>Failure: <c>{badarg, {<anno>PgName</anno>, <anno>Msg</anno>}}</c> - if <c><anno>PgName</anno></c> is - not a process group (a globally registered name).</p> - </desc> - </func> - <func> - <name name="esend" arity="2"/> - <fsummary>Send a message to all members of a process group, except ourselves</fsummary> - <desc> - <p>Sends the tuple <c>{pg_message, From, PgName, Msg}</c> to - all members of the process group <c><anno>PgName</anno></c>, except - ourselves.</p> - <p>Failure: <c>{badarg, {<anno>PgName</anno>, <anno>Msg</anno>}}</c> - if <c><anno>PgName</anno></c> is - not a process group (a globally registered name).</p> - </desc> - </func> - <func> - <name name="members" arity="1"/> - <fsummary>Return a list of all members of a process group</fsummary> - <desc> - <p>Returns a list of all members of the process group - <c>PgName</c>.</p> - </desc> - </func> - </funcs> -</erlref> - diff --git a/lib/stdlib/doc/src/proc_lib.xml b/lib/stdlib/doc/src/proc_lib.xml index b0bad9d27b..9a0ff85038 100644 --- a/lib/stdlib/doc/src/proc_lib.xml +++ b/lib/stdlib/doc/src/proc_lib.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2013</year> + <year>1996</year><year>2014</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -298,6 +298,40 @@ init(Parent) -> <c>proc_lib</c> functions.</p> </desc> </func> + <func> + <name name="stop" arity="1"/> + <fsummary>Terminate a process synchronously.</fsummary> + <type variable="Process"/> + <desc> + <p>Equivalent to <seealso marker="#stop/3">stop(Process, + normal, infinity)</seealso>.</p> + </desc> + </func> + <func> + <name name="stop" arity="3"/> + <fsummary>Terminate a process synchronously.</fsummary> + <type variable="Process"/> + <type variable="Reason"/> + <type variable="Timeout"/> + <desc> + <p>Orders the process to exit with the given <c>Reason</c> and + waits for it to terminate.</p> + <p>The function returns <c>ok</c> if the process exits with + the given <c>Reason</c> within <c>Timeout</c> + milliseconds.</p> + <p>If the call times out, a <c>timeout</c> exception is + raised.</p> + <p>If the process does not exist, a <c>noproc</c> + exception is raised.</p> + <p>The implementation of this function is based on the + <c>terminate</c> system message, and requires that the + process handles system messages correctly. + See <seealso marker="sys">sys(3)</seealso> + and <seealso marker="doc/design_principles:spec_proc">OTP + Design Principles</seealso> for information about system + messages.</p> + </desc> + </func> </funcs> <section> diff --git a/lib/stdlib/doc/src/rand.xml b/lib/stdlib/doc/src/rand.xml new file mode 100644 index 0000000000..178afda5a0 --- /dev/null +++ b/lib/stdlib/doc/src/rand.xml @@ -0,0 +1,246 @@ +<?xml version="1.0" encoding="utf-8" ?> +<!DOCTYPE erlref SYSTEM "erlref.dtd"> + +<erlref> + <header> + <copyright> + <year>2015</year> + <holder>Ericsson AB. All Rights Reserved.</holder> + </copyright> + <legalnotice> + The contents of this file are subject to the Erlang Public License, + Version 1.1, (the "License"); you may not use this file except in + compliance with the License. You should have received a copy of the + Erlang Public License along with this software. If not, it can be + retrieved online at http://www.erlang.org/. + + Software distributed under the License is distributed on an "AS IS" + basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + the License for the specific language governing rights and limitations + under the License. + + </legalnotice> + + <title>rand</title> + <prepared></prepared> + <responsible></responsible> + <docno>1</docno> + <approved></approved> + <checked></checked> + <date></date> + <rev>A</rev> + <file>rand.xml</file> + </header> + <module>rand</module> + <modulesummary>Pseudo random number generation</modulesummary> + <description> + <p>Random number generator.</p> + + <p>The module contains several different algorithms and can be + extended with more in the future. The current uniform + distribution algorithms uses the + <url href="http://xorshift.di.unimi.it"> + scrambled Xorshift algorithms by Sebastiano Vigna</url> and the + normal distribution algorithm uses the + <url href="http://www.jstatsoft.org/v05/i08"> + Ziggurat Method by Marsaglia and Tsang</url>. + </p> + + <p>The implemented algorithms are:</p> + <taglist> + <tag><c>exsplus</c></tag> <item>Xorshift116+, 58 bits precision and period of 2^116-1.</item> + <tag><c>exs64</c></tag> <item>Xorshift64*, 64 bits precision and a period of 2^64-1.</item> + <tag><c>exs1024</c></tag> <item>Xorshift1024*, 64 bits precision and a period of 2^1024-1.</item> + </taglist> + + <p>The current default algorithm is <c>exsplus</c>. The default + may change in future. If a specific algorithm is required make + sure to always use <seealso marker="#seed-1">seed/1</seealso> + to initialize the state. + </p> + + <p>Every time a random number is requested, a state is used to + calculate it and a new state produced. The state can either be + implicit or it can be an explicit argument and return value. + </p> + + <p>The functions with implicit state use the process dictionary + variable <c>rand_seed</c> to remember the current state.</p> + + <p>If a process calls <seealso marker="#uniform-0">uniform/0</seealso> or + <seealso marker="#uniform-1">uniform/1</seealso> without + setting a seed first, <seealso marker="#seed-1">seed/1</seealso> + is called automatically with the default algorithm and creates a + non-constant seed.</p> + + <p>The functions with explicit state never use the process + dictionary.</p> + + <p>Examples:</p> + <pre> + %% Simple usage. Creates and seeds the default algorithm + %% with a non-constant seed if not already done. + R0 = rand:uniform(), + R1 = rand:uniform(), + + %% Use a given algorithm. + _ = rand:seed(exs1024), + R2 = rand:uniform(), + + %% Use a given algorithm with a constant seed. + _ = rand:seed(exs1024, {123, 123534, 345345}), + R3 = rand:uniform(), + + %% Use the functional api with non-constant seed. + S0 = rand:seed_s(exsplus), + {R4, S1} = rand:uniform_s(S0), + + %% Create a standard normal deviate. + {SND0, S2} = rand:normal_s(S1), + </pre> + + <note><p>This random number generator is not cryptographically + strong. If a strong cryptographic random number generator is + needed, use one of functions in the + <seealso marker="crypto:crypto">crypto</seealso> + module, for example <c>crypto:rand_bytes/1</c>.</p></note> + </description> + <datatypes> + <datatype> + <name name="alg"/> + </datatype> + + <datatype> + <name name="state"/> + <desc><p>Algorithm dependent state.</p></desc> + </datatype> + + <datatype> + <name name="export_state"/> + <desc><p>Algorithm dependent state which can be printed or saved to file.</p></desc> + </datatype> + </datatypes> + + <funcs> + <func> + <name name="seed" arity="1"/> + <fsummary>Seed random number generator</fsummary> + <desc> + <marker id="seed-1"/> + <p>Seeds random number generation with the given algorithm and time dependent + data if <anno>AlgOrExpState</anno> is an algorithm.</p> + <p>Otherwise recreates the exported seed in the process + dictionary, and returns the state. + <em>See also:</em> <seealso marker="#export_seed-0">export_seed/0</seealso>.</p> + </desc> + </func> + <func> + <name name="seed_s" arity="1"/> + <fsummary>Seed random number generator</fsummary> + <desc> + <p>Seeds random number generation with the given algorithm and time dependent + data if <anno>AlgOrExpState</anno> is an algorithm.</p> + <p>Otherwise recreates the exported seed and returns the state. + <em>See also:</em> <seealso marker="#export_seed-0">export_seed/0</seealso>.</p> + </desc> + </func> + <func> + <name name="seed" arity="2"/> + <fsummary>Seed the random number generation</fsummary> + <desc> + <p>Seeds random number generation with the given algorithm and + integers in the process dictionary and returns + the state.</p> + </desc> + </func> + <func> + <name name="seed_s" arity="2"/> + <fsummary>Seed the random number generation</fsummary> + <desc> + <p>Seeds random number generation with the given algorithm and + integers and returns the state.</p> + </desc> + </func> + + <func> + <name name="export_seed" arity="0"/> + <fsummary>Export the random number generation state</fsummary> + <desc><marker id="export_seed-0"/> + <p>Returns the random number state in an external format. + To be used with <seealso marker="#seed-1">seed/1</seealso>.</p> + </desc> + </func> + + <func> + <name name="export_seed_s" arity="1"/> + <fsummary>Export the random number generation state</fsummary> + <desc><marker id="export_seed_s-1"/> + <p>Returns the random number generator state in an external format. + To be used with <seealso marker="#seed-1">seed/1</seealso>.</p> + </desc> + </func> + + <func> + <name name="uniform" arity="0"/> + <fsummary>Return a random float</fsummary> + <desc> + <marker id="uniform-0"/> + <p>Returns a random float uniformly distributed in the value + range <c>0.0 < <anno>X</anno> < 1.0 </c> and + updates the state in the process dictionary.</p> + </desc> + </func> + <func> + <name name="uniform_s" arity="1"/> + <fsummary>Return a random float</fsummary> + <desc> + <p>Given a state, <c>uniform_s/1</c> returns a random float + uniformly distributed in the value range <c>0.0 < + <anno>X</anno> < 1.0</c> and a new state.</p> + </desc> + </func> + + <func> + <name name="uniform" arity="1"/> + <fsummary>Return a random integer</fsummary> + <desc> + <marker id="uniform-1"/> + <p>Given an integer <c><anno>N</anno> >= 1</c>, + <c>uniform/1</c> returns a random integer uniformly + distributed in the value range + <c>1 <= <anno>X</anno> <= <anno>N</anno></c> and + updates the state in the process dictionary.</p> + </desc> + </func> + <func> + <name name="uniform_s" arity="2"/> + <fsummary>Return a random integer</fsummary> + <desc> + <p>Given an integer <c><anno>N</anno> >= 1</c> and a state, + <c>uniform_s/2</c> returns a random integer uniformly + distributed in the value range <c>1 <= <anno>X</anno> <= + <anno>N</anno></c> and a new state.</p> + </desc> + </func> + + <func> + <name name="normal" arity="0"/> + <fsummary>Return a standard normal distributed random float</fsummary> + <desc> + <p>Returns a standard normal deviate float (that is, the mean + is 0 and the standard deviation is 1) and updates the state in + the process dictionary.</p> + </desc> + </func> + <func> + <name name="normal_s" arity="1"/> + <fsummary>Return a standard normal distributed random float</fsummary> + <desc> + <p>Given a state, <c>normal_s/1</c> returns a standard normal + deviate float (that is, the mean is 0 and the standard + deviation is 1) and a new state.</p> + </desc> + </func> + + </funcs> +</erlref> diff --git a/lib/stdlib/doc/src/random.xml b/lib/stdlib/doc/src/random.xml index e001058e19..e475cda23d 100644 --- a/lib/stdlib/doc/src/random.xml +++ b/lib/stdlib/doc/src/random.xml @@ -48,6 +48,9 @@ <p>It should be noted that this random number generator is not cryptographically strong. If a strong cryptographic random number generator is needed for example <c>crypto:rand_bytes/1</c> could be used instead.</p> + <note><p>The new and improved <seealso + marker="stdlib:rand">rand</seealso> module should be used + instead of this module.</p></note> </description> <datatypes> <datatype> @@ -70,12 +73,11 @@ <desc> <p>Seeds random number generation with integer values in the process dictionary, and returns the old state.</p> - <p>One way of obtaining a seed is to use the BIF <c>now/0</c>:</p> + <p>One easy way of obtaining a unique value to seed with is to:</p> <code type="none"> - ... - {A1,A2,A3} = now(), - random:seed(A1, A2, A3), - ...</code> + random:seed(<seealso marker="erts:erlang#phash2/1">erlang:phash2</seealso>([<seealso marker="erts:erlang#node/0">node()</seealso>]), + <seealso marker="erts:erlang#monotonic_time/0">erlang:monotonic_time()</seealso>, + <seealso marker="erts:erlang#unique_integer/0">erlang:unique_integer()</seealso>)</code> </desc> </func> <func> diff --git a/lib/stdlib/doc/src/ref_man.xml b/lib/stdlib/doc/src/ref_man.xml index 6c35578bdf..eee4a68ca1 100644 --- a/lib/stdlib/doc/src/ref_man.xml +++ b/lib/stdlib/doc/src/ref_man.xml @@ -4,7 +4,7 @@ <application xmlns:xi="http://www.w3.org/2001/XInclude"> <header> <copyright> - <year>1996</year><year>2013</year> + <year>1996</year><year>2015</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -45,6 +45,7 @@ <xi:include href="digraph.xml"/> <xi:include href="digraph_utils.xml"/> <xi:include href="epp.xml"/> + <xi:include href="erl_anno.xml"/> <xi:include href="erl_eval.xml"/> <xi:include href="erl_expand_records.xml"/> <xi:include href="erl_id_trans.xml"/> @@ -73,12 +74,12 @@ <xi:include href="ms_transform.xml"/> <xi:include href="orddict.xml"/> <xi:include href="ordsets.xml"/> - <xi:include href="pg.xml"/> <xi:include href="pool.xml"/> <xi:include href="proc_lib.xml"/> <xi:include href="proplists.xml"/> <xi:include href="qlc.xml"/> <xi:include href="queue.xml"/> + <xi:include href="rand.xml"/> <xi:include href="random.xml"/> <xi:include href="re.xml"/> <xi:include href="sets.xml"/> diff --git a/lib/stdlib/doc/src/sets.xml b/lib/stdlib/doc/src/sets.xml index c5b8dce4b7..4a31648f8f 100644 --- a/lib/stdlib/doc/src/sets.xml +++ b/lib/stdlib/doc/src/sets.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>2000</year><year>2014</year> + <year>2000</year><year>2015</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -65,7 +65,7 @@ </func> <func> <name name="is_set" arity="1"/> - <fsummary>Test for an <c>Set</c></fsummary> + <fsummary>Test for a <c>Set</c></fsummary> <desc> <p>Returns <c>true</c> if <c><anno>Set</anno></c> is a set of elements, otherwise <c>false</c>.</p> @@ -80,21 +80,22 @@ </func> <func> <name name="to_list" arity="1"/> - <fsummary>Convert an <c>Set</c>into a list</fsummary> + <fsummary>Convert a <c>Set</c>into a list</fsummary> <desc> - <p>Returns the elements of <c><anno>Set</anno></c> as a list.</p> + <p>Returns the elements of <c><anno>Set</anno></c> as a list. + The order of the returned elements is undefined.</p> </desc> </func> <func> <name name="from_list" arity="1"/> - <fsummary>Convert a list into an <c>Set</c></fsummary> + <fsummary>Convert a list into a <c>Set</c></fsummary> <desc> - <p>Returns an set of the elements in <c><anno>List</anno></c>.</p> + <p>Returns a set of the elements in <c><anno>List</anno></c>.</p> </desc> </func> <func> <name name="is_element" arity="2"/> - <fsummary>Test for membership of an <c>Set</c></fsummary> + <fsummary>Test for membership of a <c>Set</c></fsummary> <desc> <p>Returns <c>true</c> if <c><anno>Element</anno></c> is an element of <c><anno>Set</anno></c>, otherwise <c>false</c>.</p> @@ -102,7 +103,7 @@ </func> <func> <name name="add_element" arity="2"/> - <fsummary>Add an element to an <c>Set</c></fsummary> + <fsummary>Add an element to a <c>Set</c></fsummary> <desc> <p>Returns a new set formed from <c><anno>Set1</anno></c> with <c><anno>Element</anno></c> inserted.</p> @@ -110,7 +111,7 @@ </func> <func> <name name="del_element" arity="2"/> - <fsummary>Remove an element from an <c>Set</c></fsummary> + <fsummary>Remove an element from a <c>Set</c></fsummary> <desc> <p>Returns <c><anno>Set1</anno></c>, but with <c><anno>Element</anno></c> removed.</p> </desc> @@ -175,7 +176,8 @@ <fsummary>Fold over set elements</fsummary> <desc> <p>Fold <c><anno>Function</anno></c> over every element in <c><anno>Set</anno></c> - returning the final value of the accumulator.</p> + returning the final value of the accumulator. + The evaluation order is undefined.</p> </desc> </func> <func> diff --git a/lib/stdlib/doc/src/specs.xml b/lib/stdlib/doc/src/specs.xml index 60a04ed5e7..0418bf7b22 100644 --- a/lib/stdlib/doc/src/specs.xml +++ b/lib/stdlib/doc/src/specs.xml @@ -11,6 +11,7 @@ <xi:include href="../specs/specs_digraph.xml"/> <xi:include href="../specs/specs_digraph_utils.xml"/> <xi:include href="../specs/specs_epp.xml"/> + <xi:include href="../specs/specs_erl_anno.xml"/> <xi:include href="../specs/specs_erl_eval.xml"/> <xi:include href="../specs/specs_erl_expand_records.xml"/> <xi:include href="../specs/specs_erl_id_trans.xml"/> @@ -39,12 +40,12 @@ <xi:include href="../specs/specs_ms_transform.xml"/> <xi:include href="../specs/specs_orddict.xml"/> <xi:include href="../specs/specs_ordsets.xml"/> - <xi:include href="../specs/specs_pg.xml"/> <xi:include href="../specs/specs_pool.xml"/> <xi:include href="../specs/specs_proc_lib.xml"/> <xi:include href="../specs/specs_proplists.xml"/> <xi:include href="../specs/specs_qlc.xml"/> <xi:include href="../specs/specs_queue.xml"/> + <xi:include href="../specs/specs_rand.xml"/> <xi:include href="../specs/specs_random.xml"/> <xi:include href="../specs/specs_re.xml"/> <xi:include href="../specs/specs_sets.xml"/> diff --git a/lib/stdlib/doc/src/supervisor.xml b/lib/stdlib/doc/src/supervisor.xml index 3a5027d595..6ff477a42d 100644 --- a/lib/stdlib/doc/src/supervisor.xml +++ b/lib/stdlib/doc/src/supervisor.xml @@ -37,12 +37,12 @@ the <c>gen_event</c>, <c>gen_fsm</c>, or <c>gen_server</c> behaviours. A supervisor implemented using this module will have a standard set of interface functions and include functionality - for tracing and error reporting. Supervisors are used to build an + for tracing and error reporting. Supervisors are used to build a hierarchical process structure called a supervision tree, a nice way to structure a fault tolerant application. Refer to <em>OTP Design Principles</em> for more information.</p> - <p>A supervisor assumes the definition of which child processes to - supervise to be located in a callback module exporting a + <p>A supervisor expects the definition of which child processes to + supervise to be specified in a callback module exporting a pre-defined set of functions.</p> <p>Unless otherwise stated, all functions in this module will fail if the specified supervisor does not exist or if bad arguments @@ -53,18 +53,30 @@ <title>Supervision Principles</title> <p>The supervisor is responsible for starting, stopping and monitoring its child processes. The basic idea of a supervisor is - that it should keep its child processes alive by restarting them + that it shall keep its child processes alive by restarting them when necessary.</p> - <p>The children of a supervisor is defined as a list of + <p>The children of a supervisor are defined as a list of <em>child specifications</em>. When the supervisor is started, the child processes are started in order from left to right according to this list. When the supervisor terminates, it first terminates its child processes in reversed start order, from right to left.</p> - <p>A supervisor can have one of the following <em>restart strategies</em>:</p> + <marker id="sup_flags"/> + <p>The properties of a supervisor are defined by the supervisor + flags. This is the type definition for the supervisor flags: + </p> + <pre>sup_flags() = #{strategy => strategy(), % optional + intensity => non_neg_integer(), % optional + period => pos_integer()} % optional + </pre> + <p>A supervisor can have one of the following <em>restart + strategies</em>, specified with the <c>strategy</c> key in the + above map: + </p> <list type="bulleted"> <item> <p><c>one_for_one</c> - if one child process terminates and - should be restarted, only that child process is affected.</p> + should be restarted, only that child process is + affected. This is the default restart strategy.</p> </item> <item> <p><c>one_for_all</c> - if one child process terminates and @@ -94,43 +106,53 @@ instead the child specification identifier is used, <c>terminate_child/2</c> will return <c>{error,simple_one_for_one}</c>.</p> - <p>Because a <c>simple_one_for_one</c> supervisor could have many - children, it shuts them all down at same time. So, order in which they - are stopped is not defined. For the same reason, it could have an - overhead with regards to the <c>Shutdown</c> strategy.</p> + <p>Because a <c>simple_one_for_one</c> supervisor could have + many children, it shuts them all down asynchronously. This + means that the children will do their cleanup in parallel, + and therefore the order in which they are stopped is not + defined.</p> </item> </list> <p>To prevent a supervisor from getting into an infinite loop of - child process terminations and restarts, a <em>maximum restart frequency</em> - is defined using two integer values <c>MaxR</c> - and <c>MaxT</c>. If more than <c>MaxR</c> restarts occur within - <c>MaxT</c> seconds, the supervisor terminates all child - processes and then itself. + child process terminations and restarts, a <em>maximum restart + intensity</em> is defined using two integer values specified + with the <c>intensity</c> and <c>period</c> keys in the above + map. Assuming the values <c>MaxR</c> for <c>intensity</c> + and <c>MaxT</c> for <c>period</c>, then if more than <c>MaxR</c> + restarts occur within <c>MaxT</c> seconds, the supervisor will + terminate all child processes and then itself. The default value + for <c>intensity</c> is <c>1</c>, and the default value + for <c>period</c> is <c>5</c>. </p> <marker id="child_spec"/> <p>This is the type definition of a child specification:</p> - <pre> -child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} - Id = term() - StartFunc = {M,F,A} - M = F = atom() - A = [term()] - Restart = permanent | transient | temporary - Shutdown = brutal_kill | int()>0 | infinity - Type = worker | supervisor - Modules = [Module] | dynamic - Module = atom()</pre> + <pre>child_spec() = #{id => child_id(), % mandatory + start => mfargs(), % mandatory + restart => restart(), % optional + shutdown => shutdown(), % optional + type => worker(), % optional + modules => modules()} % optional</pre> + <p>The old tuple format is kept for backwards compatibility, + see <seealso marker="#type-child_spec">child_spec()</seealso>, + but the map is preferred. + </p> <list type="bulleted"> <item> - <p><c>Id</c> is a name that is used to identify the child + <p><c>id</c> is used to identify the child specification internally by the supervisor.</p> + <p>The <c>id</c> key is mandatory.</p> + <p>Note that this identifier on occations has been called + "name". As far as possible, the terms "identifier" or "id" + are now used but in order to keep backwards compatibility, + some occurences of "name" can still be found, for example + in error messages.</p> </item> <item> - <p><c>StartFunc</c> defines the function call used to start - the child process. It should be a module-function-arguments + <p><c>start</c> defines the function call used to start the + child process. It must be a module-function-arguments tuple <c>{M,F,A}</c> used as <c>apply(M,F,A)</c>.</p> <p>The start function <em>must create and link to</em> the child - process, and should return <c>{ok,Child}</c> or + process, and must return <c>{ok,Child}</c> or <c>{ok,Child,Info}</c> where <c>Child</c> is the pid of the child process and <c>Info</c> an arbitrary term which is ignored by the supervisor.</p> @@ -143,20 +165,23 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} error tuple <c>{error,Error}</c>.</p> <p>Note that the <c>start_link</c> functions of the different behaviour modules fulfill the above requirements.</p> + <p>The <c>start</c> key is mandatory.</p> </item> <item> - <p><c>Restart</c> defines when a terminated child process - should be restarted. A <c>permanent</c> child process should - always be restarted, a <c>temporary</c> child process should + <p><c>restart</c> defines when a terminated child process + shall be restarted. A <c>permanent</c> child process will + always be restarted, a <c>temporary</c> child process will never be restarted (even when the supervisor's restart strategy is <c>rest_for_one</c> or <c>one_for_all</c> and a sibling's death causes the temporary process to be terminated) and a - <c>transient</c> child process should be restarted only if + <c>transient</c> child process will be restarted only if it terminates abnormally, i.e. with another exit reason than <c>normal</c>, <c>shutdown</c> or <c>{shutdown,Term}</c>.</p> + <p>The <c>restart</c> key is optional. If it is not given, the + default value <c>permanent</c> will be used.</p> </item> <item> - <p><c>Shutdown</c> defines how a child process should be + <p><c>shutdown</c> defines how a child process shall be terminated. <c>brutal_kill</c> means the child process will be unconditionally terminated using <c>exit(Child,kill)</c>. An integer timeout value means that the supervisor will tell @@ -166,35 +191,45 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} no exit signal is received within the specified number of milliseconds, the child process is unconditionally terminated using <c>exit(Child,kill)</c>.</p> - <p>If the child process is another supervisor, <c>Shutdown</c> + <p>If the child process is another supervisor, the shutdown time should be set to <c>infinity</c> to give the subtree ample - time to shutdown. It is also allowed to set it to <c>infinity</c>, + time to shut down. It is also allowed to set it to <c>infinity</c>, if the child process is a worker.</p> <warning> - <p>Be careful by setting the <c>Shutdown</c> strategy to + <p>Be careful when setting the shutdown time to <c>infinity</c> when the child process is a worker. Because, in this situation, the termination of the supervision tree depends on the child process, it must be implemented in a safe way and its cleanup procedure must always return.</p> </warning> <p>Note that all child processes implemented using the standard - OTP behavior modules automatically adhere to the shutdown + OTP behaviour modules automatically adhere to the shutdown protocol.</p> + <p>The <c>shutdown</c> key is optional. If it is not given, + the default value <c>5000</c> will be used if the child is + of type <c>worker</c>; and <c>infinity</c> will be used if + the child is of type <c>supervisor</c>.</p> </item> <item> - <p><c>Type</c> specifies if the child process is a supervisor or + <p><c>type</c> specifies if the child process is a supervisor or a worker.</p> + <p>The <c>type</c> key is optional. If it is not given, the + default value <c>worker</c> will be used.</p> </item> <item> - <p><c>Modules</c> is used by the release handler during code + <p><c>modules</c> is used by the release handler during code replacement to determine which processes are using a certain - module. As a rule of thumb <c>Modules</c> should be a list - with one element <c>[Module]</c>, where <c>Module</c> is - the callback module, if the child process is a supervisor, - gen_server or gen_fsm. If the child process is an event - manager (gen_event) with a dynamic set of callback modules, - <c>Modules</c> should be <c>dynamic</c>. See <em>OTP Design Principles</em> - for more information about release handling.</p> + module. As a rule of thumb, if the child process is a + <c>supervisor</c>, <c>gen_server</c>, or <c>gen_fsm</c>, + this should be a list with one element <c>[Module]</c>, + where <c>Module</c> is the callback module. If the child + process is an event manager (<c>gen_event</c>) with a + dynamic set of callback modules, the value <c>dynamic</c> + shall be used. See <em>OTP Design Principles</em> for more + information about release handling.</p> + <p>The <c>modules</c> key is optional. If it is not given, it + defaults to <c>[M]</c>, where <c>M</c> comes from the + child's start <c>{M,F,A}</c></p> </item> <item> <p>Internally, the supervisor also keeps track of the pid @@ -213,11 +248,20 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} </datatype> <datatype> <name name="child_spec"/> + <desc><p>The tuple format is kept for backwards compatibility + only. A map is preferred; see more details + <seealso marker="#child_spec">above</seealso>.</p></desc> </datatype> <datatype> <name name="mfargs"/> - <desc><p><c>A</c> (the argument list) has the value - <c>undefined</c> if <c>Restart</c> is <c>temporary</c>.</p> + <desc> + <p>The value <c>undefined</c> for <c><anno>A</anno></c> (the + argument list) is only to be used internally + in <c>supervisor</c>. If the restart type of the child + is <c>temporary</c>, then the process is never to be + restarted and therefore there is no need to store the real + argument list. The value <c>undefined</c> will then be + stored instead.</p> </desc> </datatype> <datatype> @@ -233,6 +277,12 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} <name name="strategy"/> </datatype> <datatype> + <name name="sup_flags"/> + <desc><p>The tuple format is kept for backwards compatibility + only. A map is preferred; see more details + <seealso marker="#sup_flags">above</seealso>.</p></desc> + </datatype> + <datatype> <name name="sup_ref"/> </datatype> <datatype> @@ -253,20 +303,20 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} the supervisor is linked to the calling process (its supervisor).</p> <p>The created supervisor process calls <c><anno>Module</anno>:init/1</c> to - find out about restart strategy, maximum restart frequency + find out about restart strategy, maximum restart intensity and child processes. To ensure a synchronized start-up procedure, <c>start_link/2,3</c> does not return until <c><anno>Module</anno>:init/1</c> has returned and all child processes have been started.</p> - <p>If <c><anno>SupName</anno>={local,Name}</c> the supervisor is registered + <p>If <c><anno>SupName</anno>={local,Name}</c>, the supervisor is registered locally as <c>Name</c> using <c>register/2</c>. If <c><anno>SupName</anno>={global,Name}</c> the supervisor is registered globally as <c>Name</c> using <c>global:register_name/2</c>. If <c><anno>SupName</anno>={via,<anno>Module</anno>,<anno>Name</anno>}</c> the supervisor is registered as <c>Name</c> using the registry represented by - <c>Module</c>. The <c>Module</c> callback should export the functions + <c>Module</c>. The <c>Module</c> callback must export the functions <c>register_name/2</c>, <c>unregister_name/1</c> and <c>send/2</c>, - which should behave like the corresponding functions in <c>global</c>. + which shall behave like the corresponding functions in <c>global</c>. Thus, <c>{via,global,<anno>Name</anno>}</c> is a valid reference.</p> <p>If no name is provided, the supervisor is not registered.</p> <p><c><anno>Module</anno></c> is the name of the callback module.</p> @@ -274,14 +324,14 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} the argument to <c><anno>Module</anno>:init/1</c>.</p> <p>If the supervisor and its child processes are successfully created (i.e. if all child process start functions return - <c>{ok,Child}</c>, <c>{ok,Child,Info}</c>, or <c>ignore</c>) + <c>{ok,Child}</c>, <c>{ok,Child,Info}</c>, or <c>ignore</c>), the function returns <c>{ok,Pid}</c>, where <c>Pid</c> is the pid of the supervisor. If there already exists a process - with the specified <c><anno>SupName</anno></c> the function returns + with the specified <c><anno>SupName</anno></c>, the function returns <c>{error,{already_started,Pid}}</c>, where <c>Pid</c> is the pid of that process.</p> <p>If <c><anno>Module</anno>:init/1</c> returns <c>ignore</c>, this function - returns <c>ignore</c> as well and the supervisor terminates + returns <c>ignore</c> as well, and the supervisor terminates with reason <c>normal</c>. If <c><anno>Module</anno>:init/1</c> fails or returns an incorrect value, this function returns <c>{error,Term}</c> where <c>Term</c> @@ -297,7 +347,6 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} <func> <name name="start_child" arity="2"/> <fsummary>Dynamically add a child process to a supervisor.</fsummary> - <type name="child_spec"/> <type name="startchild_ret"/> <type name="startchild_err"/> <desc> @@ -314,35 +363,41 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} <item><c>{via,Module,Name}</c>, if the supervisor is registered through an alternative process registry.</item> </list> - <p><c><anno>ChildSpec</anno></c> should be a valid child specification + <p><c><anno>ChildSpec</anno></c> must be a valid child specification (unless the supervisor is a <c>simple_one_for_one</c> - supervisor, see below). The child process will be started by + supervisor; see below). The child process will be started by using the start function as defined in the child specification.</p> - <p>If the case of a <c>simple_one_for_one</c> supervisor, + <p>In the case of a <c>simple_one_for_one</c> supervisor, the child specification defined in <c>Module:init/1</c> will - be used and <c><anno>ChildSpec</anno></c> should instead be an arbitrary + be used, and <c><anno>ChildSpec</anno></c> shall instead be an arbitrary list of terms <c><anno>List</anno></c>. The child process will then be started by appending <c><anno>List</anno></c> to the existing start function arguments, i.e. by calling <c>apply(M, F, A++<anno>List</anno>)</c> where <c>{M,F,A}</c> is the start function defined in the child specification.</p> <p>If there already exists a child specification with - the specified <c><anno>Id</anno></c>, <c><anno>ChildSpec</anno></c> is discarded and + the specified identifier, <c><anno>ChildSpec</anno></c> is discarded, and the function returns <c>{error,already_present}</c> or <c>{error,{already_started,<anno>Child</anno>}}</c>, depending on if the corresponding child process is running or not.</p> <p>If the child process start function returns <c>{ok,<anno>Child</anno>}</c> - or <c>{ok,<anno>Child</anno>,<anno>Info</anno>}</c>, the child specification and pid is + or <c>{ok,<anno>Child</anno>,<anno>Info</anno>}</c>, the child specification and pid are added to the supervisor and the function returns the same value.</p> <p>If the child process start function returns <c>ignore</c>, - the child specification is added to the supervisor, the pid - is set to <c>undefined</c> and the function returns - <c>{ok,undefined}</c>.</p> + the child specification is added to the supervisor (unless the + supervisor is a <c>simple_one_for_one</c> supervisor, see below), + the pid is set to <c>undefined</c> and the function returns + <c>{ok,undefined}</c>. + </p> + <p>In the case of a <c>simple_one_for_one</c> supervisor, when a child + process start function returns <c>ignore</c> the functions returns + <c>{ok,undefined}</c> and no child is added to the supervisor. + </p> <p>If the child process start function returns an error tuple or an erroneous value, or if it fails, the child specification is - discarded and the function returns <c>{error,Error}</c> where + discarded, and the function returns <c>{error,Error}</c> where <c>Error</c> is a term containing information about the error and child specification.</p> </desc> @@ -366,7 +421,7 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} <p>If the child is temporary, the child specification is deleted as soon as the process terminates. This means - that <c>delete_child/2</c> has no meaning + that <c>delete_child/2</c> has no meaning, and <c>restart_child/2</c> can not be used for these children.</p> @@ -375,13 +430,13 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} process is alive, but is not a child of the given supervisor, the function will return <c>{error,not_found}</c>. If the child specification - identifier is given instead instead of a <c>pid()</c>, the + identifier is given instead of a <c>pid()</c>, the function will return <c>{error,simple_one_for_one}</c>.</p> <p>If successful, the function returns <c>ok</c>. If there is no child specification with the specified <c><anno>Id</anno></c>, the function returns <c>{error,not_found}</c>.</p> - <p>See <c>start_child/2</c> for a description of - <c><anno>SupRef</anno></c>.</p> + <p>See <seealso marker="#SupRef"><c>start_child/2</c></seealso> + for a description of <c><anno>SupRef</anno></c>.</p> </desc> </func> <func> @@ -390,15 +445,15 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} <desc> <p>Tells the supervisor <c><anno>SupRef</anno></c> to delete the child specification identified by <c><anno>Id</anno></c>. The corresponding child - process must not be running, use <c>terminate_child/2</c> to + process must not be running. Use <c>terminate_child/2</c> to terminate it.</p> - <p>See <seealso marker="#SupRef"><c>start_child/2</c></seealso> for a description of - <c>SupRef</c>.</p> + <p>See <seealso marker="#SupRef"><c>start_child/2</c></seealso> + for a description of <c><anno>SupRef</anno></c>.</p> <p>If successful, the function returns <c>ok</c>. If the child specification identified by <c><anno>Id</anno></c> exists but the corresponding child process is running or about to be restarted, the function returns <c>{error,running}</c> or - <c>{error,restarting}</c> respectively. If the child specification + <c>{error,restarting}</c>, respectively. If the child specification identified by <c><anno>Id</anno></c> does not exist, the function returns <c>{error,not_found}</c>.</p> </desc> @@ -410,10 +465,10 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} <p>Tells the supervisor <c><anno>SupRef</anno></c> to restart a child process corresponding to the child specification identified by <c><anno>Id</anno></c>. The child - specification must exist and the corresponding child process + specification must exist, and the corresponding child process must not be running.</p> <p>Note that for temporary children, the child specification - is automatically deleted when the child terminates, and thus + is automatically deleted when the child terminates; thus it is not possible to restart such children.</p> <p>See <seealso marker="#SupRef"><c>start_child/2</c></seealso> for a description of <c>SupRef</c>.</p> @@ -429,7 +484,7 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} is added to the supervisor and the function returns the same value.</p> <p>If the child process start function returns <c>ignore</c>, - the pid remains set to <c>undefined</c> and the function + the pid remains set to <c>undefined</c>, and the function returns <c>{ok,undefined}</c>.</p> <p>If the child process start function returns an error tuple or an erroneous value, or if it fails, the function returns @@ -462,7 +517,7 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} <item> <p><c><anno>Child</anno></c> - the pid of the corresponding child process, the atom <c>restarting</c> if the process is about to be - restarted or <c>undefined</c> if there is no such process.</p> + restarted, or <c>undefined</c> if there is no such process.</p> </item> <item> <p><c><anno>Type</anno></c> - as defined in the child specification.</p> @@ -475,8 +530,8 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} </func> <func> <name name="count_children" arity="1"/> - <fsummary>Return counts for the number of childspecs, active children, - supervisors and workers.</fsummary> + <fsummary>Return counts for the number of child specifications, + active children, supervisors, and workers.</fsummary> <desc> <p>Returns a property list (see <c>proplists</c>) containing the counts for each of the following elements of the supervisor's @@ -500,6 +555,8 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} process is still alive.</p> </item> </list> + <p>See <seealso marker="#SupRef"><c>start_child/2</c></seealso> + for a description of <c><anno>SupRef</anno></c>.</p> </desc> </func> <func> @@ -511,11 +568,23 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} correct, or <c>{error,<anno>Error</anno>}</c> otherwise.</p> </desc> </func> + <func> + <name name="get_childspec" arity="2"/> + <fsummary>Return the child specification map for the given + child.</fsummary> + <desc> + <p>Returns the child specification map for the child identified + by <c>Id</c> under supervisor <c>SupRef</c>. The returned + map contains all keys, both mandatory and optional.</p> + <p>See <seealso marker="#SupRef"><c>start_child/2</c></seealso> + for a description of <c><anno>SupRef</anno></c>.</p> + </desc> + </func> </funcs> <section> <title>CALLBACK FUNCTIONS</title> - <p>The following functions should be exported from a + <p>The following functions must be exported from a <c>supervisor</c> callback module.</p> </section> <funcs> @@ -524,33 +593,37 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} <fsummary>Return a supervisor specification.</fsummary> <type> <v>Args = term()</v> - <v>Result = {ok,{{RestartStrategy,MaxR,MaxT},[ChildSpec]}} | ignore</v> - <v> RestartStrategy = <seealso marker="#type-strategy">strategy()</seealso></v> - <v> MaxR = integer()>=0</v> - <v> MaxT = integer()>0</v> + <v>Result = {ok,{SupFlags,[ChildSpec]}} | ignore</v> + <v> SupFlags = <seealso marker="#type-sup_flags">sup_flags()</seealso></v> <v> ChildSpec = <seealso marker="#type-child_spec">child_spec()</seealso></v> </type> <desc> <p>Whenever a supervisor is started using <c>supervisor:start_link/2,3</c>, this function is called by the new process to find out about restart strategy, maximum - restart frequency and child specifications.</p> + restart intensity, and child specifications.</p> <p><c>Args</c> is the <c>Args</c> argument provided to the start function.</p> - <p><c>RestartStrategy</c> is the restart strategy and - <c>MaxR</c> and <c>MaxT</c> defines the maximum restart - frequency of the supervisor. <c>[ChildSpec]</c> is a list of - valid child specifications defining which child processes - the supervisor should start and monitor. See the discussion - about Supervision Principles above.</p> + <p><c>SupFlags</c> is the supervisor flags defining the + restart strategy and max restart intensity for the + supervisor. <c>[ChildSpec]</c> is a list of valid child + specifications defining which child processes the supervisor + shall start and monitor. See the discussion about + Supervision Principles above.</p> <p>Note that when the restart strategy is <c>simple_one_for_one</c>, the list of child specifications must be a list with one child specification only. - (The <c>Id</c> is ignored). No child process is then started + (The child specification identifier is ignored.) No child process is then started during the initialization phase, but all children are assumed to be started dynamically using <c>supervisor:start_child/2</c>.</p> <p>The function may also return <c>ignore</c>.</p> + <p>Note that this function might also be called as a part of a + code upgrade procedure. For this reason, the function should + not have any side effects. See + <seealso marker="doc/design_principles:appup_cookbook#sup">Design + Principles</seealso> for more information about code upgrade + of supervisors.</p> </desc> </func> </funcs> diff --git a/lib/stdlib/doc/src/sys.xml b/lib/stdlib/doc/src/sys.xml index 19605f325b..cf7df54d1d 100644 --- a/lib/stdlib/doc/src/sys.xml +++ b/lib/stdlib/doc/src/sys.xml @@ -359,6 +359,17 @@ installed.</p> </desc> </func> + <func> + <name name="terminate" arity="2"/> + <name name="terminate" arity="3"/> + <fsummary>Terminate the process</fsummary> + <desc> + <p>This function orders the process to terminate with the + given <c><anno>Reason</anno></c>. The termination is done + asynchronously, so there is no guarantee that the process is + actually terminated when the function returns.</p> + </desc> + </func> </funcs> <section> diff --git a/lib/stdlib/doc/src/timer.xml b/lib/stdlib/doc/src/timer.xml index eca9a72d36..791a29689e 100644 --- a/lib/stdlib/doc/src/timer.xml +++ b/lib/stdlib/doc/src/timer.xml @@ -217,12 +217,14 @@ </func> <func> <name name="now_diff" arity="2"/> - <fsummary>Calculate time difference between <c>now/0</c>timestamps</fsummary> + <fsummary>Calculate time difference between timestamps</fsummary> <type_desc variable="Tdiff">In microseconds</type_desc> <desc> <p>Calculates the time difference <c><anno>Tdiff</anno> = <anno>T2</anno> - <anno>T1</anno></c> in - <em>microseconds</em>, where <c><anno>T1</anno></c> and <c><anno>T2</anno></c> probably - are timestamp tuples returned from <c>erlang:now/0</c>.</p> + <em>microseconds</em>, where <c><anno>T1</anno></c> and <c><anno>T2</anno></c> + are timestamp tuples on the same format as returned from + <seealso marker="erts:erlang#timestamp/0"><c>erlang:timestamp/0</c></seealso>, + or <seealso marker="kernel:os#timestamp/0"><c>os:timestamp/0</c></seealso>.</p> </desc> </func> <func> @@ -234,7 +236,7 @@ </func> <func> <name name="minutes" arity="1"/> - <fsummary>Converts <c>Minutes</c>to <c>Milliseconds</c>.</fsummary> + <fsummary>Converts <c>Minutes</c> to <c>Milliseconds</c>.</fsummary> <desc> <p>Return the number of milliseconds in <c><anno>Minutes</anno></c>.</p> </desc> diff --git a/lib/stdlib/doc/src/zip.xml b/lib/stdlib/doc/src/zip.xml index 48b376743d..d201e81a79 100644 --- a/lib/stdlib/doc/src/zip.xml +++ b/lib/stdlib/doc/src/zip.xml @@ -135,6 +135,12 @@ <p>These options are described in <seealso marker="#zip_options">create/3</seealso>.</p> </desc> </datatype> + <datatype> + <name name="handle"/> + <desc> + <p>As returned by <seealso marker="#zip_open/2">zip_open/2</seealso>.</p> + </desc> + </datatype> </datatypes> <funcs> <func> @@ -430,6 +436,8 @@ means that subsequently reading files from the archive will be faster than unzipping files one at a time with <c>unzip</c>.</p> <p>The archive must be closed with <c>zip_close/1</c>.</p> + <p>The <c><anno>ZipHandle</anno></c> will be closed if the + process which originally opened the archive dies.</p> </desc> </func> <func> diff --git a/lib/stdlib/src/Makefile b/lib/stdlib/src/Makefile index 9ab2cd4134..55bda60da5 100644 --- a/lib/stdlib/src/Makefile +++ b/lib/stdlib/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1996-2013. All Rights Reserved. +# Copyright Ericsson AB 1996-2015. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -58,6 +58,7 @@ MODULES= \ edlin \ edlin_expand \ epp \ + erl_anno \ erl_bits \ erl_compile \ erl_eval \ @@ -97,7 +98,6 @@ MODULES= \ otp_internal \ orddict \ ordsets \ - pg \ re \ pool \ proc_lib \ @@ -105,6 +105,7 @@ MODULES= \ qlc \ qlc_pt \ queue \ + rand \ random \ sets \ shell \ @@ -169,6 +170,7 @@ docs: # specifications. primary_bootstrap_compiler: \ $(BOOTSTRAP_COMPILER)/ebin/epp.beam \ + $(BOOTSTRAP_COMPILER)/ebin/erl_anno.beam \ $(BOOTSTRAP_COMPILER)/ebin/erl_scan.beam \ $(BOOTSTRAP_COMPILER)/ebin/erl_parse.beam \ $(BOOTSTRAP_COMPILER)/ebin/erl_lint.beam \ diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl index 1a7b7d5a5e..4a6b489204 100644 --- a/lib/stdlib/src/beam_lib.erl +++ b/lib/stdlib/src/beam_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2000-2013. All Rights Reserved. +%% Copyright Ericsson AB 2000-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -652,7 +652,13 @@ chunk_to_data(abstract_code=Id, Chunk, File, _Cs, AtomTable, Mod) -> {'EXIT', _} -> error({invalid_chunk, File, chunk_name_to_id(Id, File)}); Term -> - {AtomTable, {Id, Term}} + try + {AtomTable, {Id, anno_from_term(Term)}} + catch + _:_ -> + error({invalid_chunk, File, + chunk_name_to_id(Id, File)}) + end end end; chunk_to_data(atoms=Id, _Chunk, _File, Cs, AtomTable0, _Mod) -> @@ -878,7 +884,22 @@ decrypt_abst(Type, Module, File, Id, AtomTable, Bin) -> decrypt_abst_1({Type,Key,IVec,_BlockSize}, Bin) -> ok = start_crypto(), NewBin = crypto:block_decrypt(Type, Key, IVec, Bin), - binary_to_term(NewBin). + Term = binary_to_term(NewBin), + anno_from_term(Term). + +anno_from_term({raw_abstract_v1, Forms}) -> + {raw_abstract_v1, anno_from_forms(Forms)}; +anno_from_term({Tag, Forms}) when Tag =:= abstract_v1; Tag =:= abstract_v2 -> + try {Tag, anno_from_forms(Forms)} + catch + _:_ -> + {Tag, Forms} + end; +anno_from_term(T) -> + T. + +anno_from_forms(Forms) -> + [erl_parse:anno_from_term(Form) || Form <- Forms]. start_crypto() -> case crypto:start() of diff --git a/lib/stdlib/src/binary.erl b/lib/stdlib/src/binary.erl index 8d07a356dd..de26784ead 100644 --- a/lib/stdlib/src/binary.erl +++ b/lib/stdlib/src/binary.erl @@ -215,12 +215,13 @@ split(H,N) -> Subject :: binary(), Pattern :: binary() | [binary()] | cp(), Options :: [Option], - Option :: {scope, part()} | trim | global, + Option :: {scope, part()} | trim | global | trim_all, Parts :: [binary()]. split(Haystack,Needles,Options) -> try - {Part,Global,Trim} = get_opts_split(Options,{no,false,false}), + {Part,Global,Trim,TrimAll} = + get_opts_split(Options,{no,false,false,false}), Moptlist = case Part of no -> []; @@ -236,20 +237,24 @@ split(Haystack,Needles,Options) -> Match -> [Match] end end, - do_split(Haystack,MList,0,Trim) + do_split(Haystack,MList,0,Trim,TrimAll) catch _:_ -> erlang:error(badarg) end. -do_split(H,[],N,true) when N >= byte_size(H) -> +do_split(H,[],N,true,_) when N >= byte_size(H) -> []; -do_split(H,[],N,_) -> +do_split(H,[],N,_,true) when N >= byte_size(H) -> + []; +do_split(H,[],N,_,_) -> [binary:part(H,{N,byte_size(H)-N})]; -do_split(H,[{A,B}|T],N,Trim) -> +do_split(H,[{A,B}|T],N,Trim,TrimAll) -> case binary:part(H,{N,A-N}) of + <<>> when TrimAll == true -> + do_split(H,T,A+B,Trim,TrimAll); <<>> -> - Rest = do_split(H,T,A+B,Trim), + Rest = do_split(H,T,A+B,Trim,TrimAll), case {Trim, Rest} of {true,[]} -> []; @@ -257,7 +262,7 @@ do_split(H,[{A,B}|T],N,Trim) -> [<<>> | Rest] end; Oth -> - [Oth | do_split(H,T,A+B,Trim)] + [Oth | do_split(H,T,A+B,Trim,TrimAll)] end. @@ -346,14 +351,16 @@ splitat(H,N,[I|T]) -> %% Simple helper functions %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -get_opts_split([],{Part,Global,Trim}) -> - {Part,Global,Trim}; -get_opts_split([{scope,{A,B}} | T],{_Part,Global,Trim}) -> - get_opts_split(T,{{A,B},Global,Trim}); -get_opts_split([global | T],{Part,_Global,Trim}) -> - get_opts_split(T,{Part,true,Trim}); -get_opts_split([trim | T],{Part,Global,_Trim}) -> - get_opts_split(T,{Part,Global,true}); +get_opts_split([],{Part,Global,Trim,TrimAll}) -> + {Part,Global,Trim,TrimAll}; +get_opts_split([{scope,{A,B}} | T],{_Part,Global,Trim,TrimAll}) -> + get_opts_split(T,{{A,B},Global,Trim,TrimAll}); +get_opts_split([global | T],{Part,_Global,Trim,TrimAll}) -> + get_opts_split(T,{Part,true,Trim,TrimAll}); +get_opts_split([trim | T],{Part,Global,_Trim,TrimAll}) -> + get_opts_split(T,{Part,Global,true,TrimAll}); +get_opts_split([trim_all | T],{Part,Global,Trim,_TrimAll}) -> + get_opts_split(T,{Part,Global,Trim,true}); get_opts_split(_,_) -> throw(badopt). diff --git a/lib/stdlib/src/c.erl b/lib/stdlib/src/c.erl index 9860adf04d..d5b24d3c32 100644 --- a/lib/stdlib/src/c.erl +++ b/lib/stdlib/src/c.erl @@ -27,7 +27,7 @@ lc_batch/0, lc_batch/1, i/3,pid/3,m/0,m/1, bt/1, q/0, - erlangrc/0,erlangrc/1,bi/1, flush/0, regs/0, + erlangrc/0,erlangrc/1,bi/1, flush/0, regs/0, uptime/0, nregs/0,pwd/0,ls/0,ls/1,cd/1,memory/1,memory/0, xm/1]). -export([display_info/1]). @@ -65,6 +65,7 @@ help() -> "q() -- quit - shorthand for init:stop()\n" "regs() -- information about registered processes\n" "nregs() -- information about all registered processes\n" + "uptime() -- print node uptime\n" "xm(M) -- cross reference check a module\n" "y(File) -- generate a Yecc parser\n">>). @@ -774,6 +775,26 @@ memory() -> erlang:memory(). memory(TypeSpec) -> erlang:memory(TypeSpec). %% +%% uptime/0 +%% + +-spec uptime() -> 'ok'. + +uptime() -> + io:format("~s~n", [uptime(get_uptime())]). + +uptime({D, {H, M, S}}) -> + lists:flatten( + [[ io_lib:format("~p days, ", [D]) || D > 0 ], + [ io_lib:format("~p hours, ", [H]) || D+H > 0 ], + [ io_lib:format("~p minutes and ", [M]) || D+H+M > 0 ], + io_lib:format("~p seconds", [S])]). + +get_uptime() -> + {UpTime, _} = erlang:statistics(wall_clock), + calendar:seconds_to_daystime(UpTime div 1000). + +%% %% Cross Reference Check %% %%-spec xm(module() | file:filename()) -> xref:m/1 return diff --git a/lib/stdlib/src/calendar.erl b/lib/stdlib/src/calendar.erl index 0320e0cd0e..d08001c933 100644 --- a/lib/stdlib/src/calendar.erl +++ b/lib/stdlib/src/calendar.erl @@ -299,7 +299,7 @@ local_time_to_universal_time_dst(DateTime) -> %% now_to_universal_time(Now) %% now_to_datetime(Now) %% -%% Convert from now() to UTC. +%% Convert from erlang:timestamp() to UTC. %% %% Args: Now = now(); now() = {MegaSec, Sec, MilliSec}, MegaSec = Sec %% = MilliSec = integer() diff --git a/lib/stdlib/src/dets.erl b/lib/stdlib/src/dets.erl index a4bd45ea19..5d365ac962 100644 --- a/lib/stdlib/src/dets.erl +++ b/lib/stdlib/src/dets.erl @@ -1963,7 +1963,7 @@ do_safe_fixtable(Head, Pid, true) -> case Head#head.fixed of false -> link(Pid), - Fixed = {erlang:now(), [{Pid, 1}]}, + Fixed = {utime_now(), [{Pid, 1}]}, Ftab = dets_utils:get_freelists(Head), Head#head{fixed = Fixed, freelists = {Ftab, Ftab}}; {TimeStamp, Counters} -> @@ -3088,14 +3088,14 @@ update_cache(Head, ToAdd) -> {Head1, Found, []}; Cache#cache.wrtime =:= undefined -> %% Empty cache. Schedule a delayed write. - Now = now(), Me = self(), + Now = time_now(), Me = self(), Call = ?DETS_CALL(Me, {delayed_write, Now}), erlang:send_after(Cache#cache.delay, Me, Call), {Head1#head{cache = NewCache#cache{wrtime = Now}}, Found, []}; Size0 =:= 0 -> %% Empty cache that has been written after the %% currently scheduled delayed write. - {Head1#head{cache = NewCache#cache{wrtime = now()}}, Found, []}; + {Head1#head{cache = NewCache#cache{wrtime = time_now()}}, Found, []}; true -> %% Cache is not empty, delayed write has been scheduled. {Head1, Found, []} @@ -3158,11 +3158,7 @@ delayed_write(Head, WrTime) -> Head#head{cache = NewCache}; true -> %% Yes, schedule a new delayed write. - {MS1,S1,M1} = WrTime, - {MS2,S2,M2} = LastWrTime, - WrT = M1+1000000*(S1+1000000*MS1), - LastWrT = M2+1000000*(S2+1000000*MS2), - When = round((LastWrT - WrT)/1000), Me = self(), + When = round((LastWrTime - WrTime)/1000), Me = self(), Call = ?DETS_CALL(Me, {delayed_write, LastWrTime}), erlang:send_after(When, Me, Call), Head @@ -3274,6 +3270,16 @@ err(Error) -> Error end. +-compile({inline, [time_now/0]}). +time_now() -> + erlang:monotonic_time(1000000). + +-compile({inline, [utime_now/0]}). +utime_now() -> + Time = time_now(), + UniqueCounter = erlang:unique_integer([monotonic]), + {Time, UniqueCounter}. + %%%%%%%%%%%%%%%%% DEBUG functions %%%%%%%%%%%%%%%% file_info(FileName) -> diff --git a/lib/stdlib/src/dets_utils.erl b/lib/stdlib/src/dets_utils.erl index 6c176ad513..26e22dbd5b 100644 --- a/lib/stdlib/src/dets_utils.erl +++ b/lib/stdlib/src/dets_utils.erl @@ -447,7 +447,7 @@ reset_cache(C) -> WrTime =:= undefined -> WrTime; true -> - now() + erlang:monotonic_time(1000000) end, PK = family(C#cache.cache), NewC = C#cache{cache = [], csize = 0, inserts = 0, wrtime = NewWrTime}, diff --git a/lib/stdlib/src/dict.erl b/lib/stdlib/src/dict.erl index cf8fb3114a..5a9f63c5e2 100644 --- a/lib/stdlib/src/dict.erl +++ b/lib/stdlib/src/dict.erl @@ -417,6 +417,8 @@ on_bucket(F, T, Slot) -> %% could have implemented map and filter using fold but these are %% faster. We hope! +fold_dict(F, Acc, #dict{size=0}) when is_function(F, 3) -> + Acc; fold_dict(F, Acc, D) -> Segs = D#dict.segs, fold_segs(F, Acc, Segs, tuple_size(Segs)). @@ -434,6 +436,8 @@ fold_bucket(F, Acc, [?kv(Key,Val)|Bkt]) -> fold_bucket(F, F(Key, Val, Acc), Bkt); fold_bucket(F, Acc, []) when is_function(F, 3) -> Acc. +map_dict(F, #dict{size=0} = Dict) when is_function(F, 2) -> + Dict; map_dict(F, D) -> Segs0 = tuple_to_list(D#dict.segs), Segs1 = map_seg_list(F, Segs0), @@ -453,6 +457,8 @@ map_bucket(F, [?kv(Key,Val)|Bkt]) -> [?kv(Key,F(Key, Val))|map_bucket(F, Bkt)]; map_bucket(F, []) when is_function(F, 2) -> []. +filter_dict(F, #dict{size=0} = Dict) when is_function(F, 2) -> + Dict; filter_dict(F, D) -> Segs0 = tuple_to_list(D#dict.segs), {Segs1,Fc} = filter_seg_list(F, Segs0, [], 0), diff --git a/lib/stdlib/src/digraph.erl b/lib/stdlib/src/digraph.erl index 0c21271529..1f8caa88a4 100644 --- a/lib/stdlib/src/digraph.erl +++ b/lib/stdlib/src/digraph.erl @@ -36,7 +36,7 @@ -export([get_short_path/3, get_short_cycle/2]). --export_type([graph/0, d_type/0, vertex/0, edge/0]). +-export_type([graph/0, d_type/0, vertex/0, edge/0, label/0]). -record(digraph, {vtab = notable :: ets:tab(), etab = notable :: ets:tab(), diff --git a/lib/stdlib/src/edlin.erl b/lib/stdlib/src/edlin.erl index b3bc5f6d92..362669545e 100644 --- a/lib/stdlib/src/edlin.erl +++ b/lib/stdlib/src/edlin.erl @@ -21,7 +21,7 @@ %% A simple Emacs-like line editor. %% About Latin-1 characters: see the beginning of erl_scan.erl. --export([init/0,start/1,start/2,edit_line/2,prefix_arg/1]). +-export([init/0,init/1,start/1,start/2,edit_line/2,prefix_arg/1]). -export([erase_line/1,erase_inp/1,redraw_line/1]). -export([length_before/1,length_after/1,prompt/1]). -export([current_line/1, current_chars/1]). @@ -44,6 +44,20 @@ init() -> put(kill_buffer, []). +init(Pid) -> + %% copy the kill_buffer from the process Pid + CopiedKillBuf = + case erlang:process_info(Pid, dictionary) of + {dictionary,Dict} -> + case proplists:get_value(kill_buffer, Dict) of + undefined -> []; + Buf -> Buf + end; + undefined -> + [] + end, + put(kill_buffer, CopiedKillBuf). + %% start(Prompt) %% edit(Characters, Continuation) %% Return diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl index 5f8637c118..7866b5f792 100644 --- a/lib/stdlib/src/epp.erl +++ b/lib/stdlib/src/epp.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -158,7 +158,7 @@ scan_erl_form(Epp) -> {'ok', AbsForm} | {'eof', Line} | {error, ErrorInfo} when Epp :: epp_handle(), AbsForm :: erl_parse:abstract_form(), - Line :: erl_scan:line(), + Line :: erl_anno:line(), ErrorInfo :: erl_scan:error_info() | erl_parse:error_info(). parse_erl_form(Epp) -> @@ -220,7 +220,7 @@ format_error(E) -> file:format_error(E). IncludePath :: [DirectoryName :: file:name()], Form :: erl_parse:abstract_form() | {'error', ErrorInfo} | {'eof',Line}, PredefMacros :: macros(), - Line :: erl_scan:line(), + Line :: erl_anno:line(), ErrorInfo :: erl_scan:error_info() | erl_parse:error_info(), OpenError :: file:posix() | badarg | system_limit. @@ -235,7 +235,7 @@ parse_file(Ifile, Path, Predefs) -> {'default_encoding', DefEncoding :: source_encoding()} | 'extra'], Form :: erl_parse:abstract_form() | {'error', ErrorInfo} | {'eof',Line}, - Line :: erl_scan:line(), + Line :: erl_anno:line(), ErrorInfo :: erl_scan:error_info() | erl_parse:error_info(), Extra :: [{'encoding', source_encoding() | 'none'}], OpenError :: file:posix() | badarg | system_limit. @@ -257,7 +257,7 @@ parse_file(Ifile, Options) -> -spec parse_file(Epp) -> [Form] when Epp :: epp_handle(), Form :: erl_parse:abstract_form() | {'error', ErrorInfo} | {'eof',Line}, - Line :: erl_scan:line(), + Line :: erl_anno:line(), ErrorInfo :: erl_scan:error_info() | erl_parse:error_info(). parse_file(Epp) -> @@ -280,7 +280,7 @@ parse_file(Epp) -> {error,E} -> [{error,E}|parse_file(Epp)]; {eof,Location} -> - [{eof,Location}] + [{eof,erl_anno:new(Location)}] end. -spec default_encoding() -> source_encoding(). @@ -547,7 +547,8 @@ init_server(Pid, Name, Options, St0) -> path=Path, macs=Ms1, default_encoding=DefEncoding}, From = wait_request(St), - enter_file_reply(From, Name, AtLocation, AtLocation), + Anno = erl_anno:new(AtLocation), + enter_file_reply(From, Name, Anno, AtLocation, code), wait_req_scan(St); {error,E} -> epp_reply(Pid, {error,E}) @@ -559,15 +560,16 @@ init_server(Pid, Name, Options, St0) -> predef_macros(File) -> Machine = list_to_atom(erlang:system_info(machine)), + Anno = line1(), dict:from_list([ - {{atom,'FILE'}, {none,[{string,1,File}]}}, - {{atom,'LINE'}, {none,[{integer,1,1}]}}, + {{atom,'FILE'}, {none,[{string,Anno,File}]}}, + {{atom,'LINE'}, {none,[{integer,Anno,1}]}}, {{atom,'MODULE'}, undefined}, {{atom,'MODULE_STRING'}, undefined}, {{atom,'BASE_MODULE'}, undefined}, {{atom,'BASE_MODULE_STRING'}, undefined}, - {{atom,'MACHINE'}, {none,[{atom,1,Machine}]}}, - {{atom,Machine}, {none,[{atom,1,true}]}} + {{atom,'MACHINE'}, {none,[{atom,Anno,Machine}]}}, + {{atom,Machine}, {none,[{atom,Anno,true}]}} ]). %% user_predef(PreDefMacros, Macros) -> @@ -595,8 +597,9 @@ user_predef([M|Pdm], Ms) when is_atom(M) -> {ok,_Def} -> %% Predefined macros {error,{redefine_predef,M}}; error -> + A = line1(), user_predef(Pdm, - dict:store({atom,M}, [{none, {none,[{atom,1,true}]}}], Ms)) + dict:store({atom,M}, [{none, {none,[{atom,A,true}]}}], Ms)) end; user_predef([Md|_Pdm], _Ms) -> {error,{bad,Md}}; user_predef([], Ms) -> {ok,Ms}. @@ -645,7 +648,7 @@ wait_req_skip(St, Sis) -> enter_file(_NewName, Inc, From, St) when length(St#epp.sstk) >= 8 -> - epp_reply(From, {error,{abs_loc(Inc),epp,{depth,"include"}}}), + epp_reply(From, {error,{loc(Inc),epp,{depth,"include"}}}), wait_req_scan(St); enter_file(NewName, Inc, From, St) -> case file:path_open(St#epp.path, NewName, [read]) of @@ -653,7 +656,7 @@ enter_file(NewName, Inc, From, St) -> Loc = start_loc(St#epp.location), wait_req_scan(enter_file2(NewF, Pname, From, St, Loc)); {error,_E} -> - epp_reply(From, {error,{abs_loc(Inc),epp,{include,file,NewName}}}), + epp_reply(From, {error,{loc(Inc),epp,{include,file,NewName}}}), wait_req_scan(St) end. @@ -661,9 +664,9 @@ enter_file(NewName, Inc, From, St) -> %% Set epp to use this file and "enter" it. enter_file2(NewF, Pname, From, St0, AtLocation) -> - Loc = start_loc(AtLocation), - enter_file_reply(From, Pname, Loc, AtLocation), - Ms = dict:store({atom,'FILE'}, {none,[{string,Loc,Pname}]}, St0#epp.macs), + Anno = erl_anno:new(AtLocation), + enter_file_reply(From, Pname, Anno, AtLocation, code), + Ms = dict:store({atom,'FILE'}, {none,[{string,Anno,Pname}]}, St0#epp.macs), %% update the head of the include path to be the directory of the new %% source file, so that an included file can always include other files %% relative to its current location (this is also how C does it); note @@ -673,16 +676,20 @@ enter_file2(NewF, Pname, From, St0, AtLocation) -> Path = [filename:dirname(Pname) | tl(St0#epp.path)], DefEncoding = St0#epp.default_encoding, _ = set_encoding(NewF, DefEncoding), - #epp{file=NewF,location=Loc,name=Pname,name2=Pname,delta=0, + #epp{file=NewF,location=AtLocation,name=Pname,name2=Pname,delta=0, sstk=[St0|St0#epp.sstk],path=Path,macs=Ms, default_encoding=DefEncoding}. -enter_file_reply(From, Name, Location, AtLocation) -> - Attr = loc_attr(AtLocation), - Rep = {ok, [{'-',Attr},{atom,Attr,file},{'(',Attr}, - {string,Attr,file_name(Name)},{',',Attr}, - {integer,Attr,get_line(Location)},{')',Location}, - {dot,Attr}]}, +enter_file_reply(From, Name, LocationAnno, AtLocation, Where) -> + Anno0 = loc_anno(AtLocation), + Anno = case Where of + code -> Anno0; + generated -> erl_anno:set_generated(true, Anno0) + end, + Rep = {ok, [{'-',Anno},{atom,Anno,file},{'(',Anno}, + {string,Anno,file_name(Name)},{',',Anno}, + {integer,Anno,get_line(LocationAnno)},{')',LocationAnno}, + {dot,Anno}]}, epp_reply(From, Rep). %% Flatten filename to a string. Must be a valid filename. @@ -710,18 +717,20 @@ leave_file(From, St) -> #epp{location=OldLoc, delta=Delta, name=OldName, name2=OldName2} = OldSt, CurrLoc = add_line(OldLoc, Delta), + Anno = erl_anno:new(CurrLoc), Ms = dict:store({atom,'FILE'}, - {none,[{string,CurrLoc,OldName2}]}, + {none,[{string,Anno,OldName2}]}, St#epp.macs), NextSt = OldSt#epp{sstk=Sts,macs=Ms,uses=St#epp.uses}, - enter_file_reply(From, OldName, CurrLoc, CurrLoc), + enter_file_reply(From, OldName, Anno, CurrLoc, code), case OldName2 =:= OldName of true -> ok; false -> NFrom = wait_request(NextSt), - enter_file_reply(NFrom, OldName2, OldLoc, - neg_line(CurrLoc)) + OldAnno = erl_anno:new(OldLoc), + enter_file_reply(NFrom, OldName2, OldAnno, + CurrLoc, generated) end, wait_req_scan(NextSt); [] -> @@ -818,9 +827,9 @@ scan_extends(_Ts, _As, Ms) -> Ms. %% scan_define(Tokens, DefineToken, From, EppState) -scan_define([{'(',_Lp},{Type,_Lm,M}=Mac,{',',Lc}|Toks], _Def, From, St) +scan_define([{'(',_Lp},{Type,_Lm,M}=Mac,{',',_}=Comma|Toks], _Def, From, St) when Type =:= atom; Type =:= var -> - case catch macro_expansion(Toks, Lc) of + case catch macro_expansion(Toks, Comma) of Expansion when is_list(Expansion) -> case dict:find({atom,M}, St#epp.macs) of {ok, Defs} when is_list(Defs) -> @@ -910,10 +919,12 @@ macro_ref([]) -> []; macro_ref([{'?', _}, {'?', _} | Rest]) -> macro_ref(Rest); -macro_ref([{'?', _}, {atom, Lm, A} | Rest]) -> +macro_ref([{'?', _}, {atom, _, A}=Atom | Rest]) -> + Lm = loc(Atom), Arity = count_args(Rest, Lm, A), [{{atom, A}, Arity} | macro_ref(Rest)]; -macro_ref([{'?', _}, {var, Lm, A} | Rest]) -> +macro_ref([{'?', _}, {var, _, A}=Var | Rest]) -> + Lm = loc(Var), Arity = count_args(Rest, Lm, A), [{{atom, A}, Arity} | macro_ref(Rest)]; macro_ref([_Token | Rest]) -> @@ -940,7 +951,7 @@ scan_include([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}], Inc, NewName = expand_var(NewName0), enter_file(NewName, Inc, From, St); scan_include(_Toks, Inc, From, St) -> - epp_reply(From, {error,{abs_loc(Inc),epp,{bad,include}}}), + epp_reply(From, {error,{loc(Inc),epp,{bad,include}}}), wait_req_scan(St). %% scan_include_lib(Tokens, IncludeToken, From, EppState) @@ -955,7 +966,7 @@ find_lib_dir(NewName) -> scan_include_lib([{'(',_Llp},{string,_Lf,_NewName0},{')',_Lrp},{dot,_Ld}], Inc, From, St) when length(St#epp.sstk) >= 8 -> - epp_reply(From, {error,{abs_loc(Inc),epp,{depth,"include_lib"}}}), + epp_reply(From, {error,{loc(Inc),epp,{depth,"include_lib"}}}), wait_req_scan(St); scan_include_lib([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}], Inc, From, St) -> @@ -974,18 +985,18 @@ scan_include_lib([{'(',_Llp},{string,_Lf,NewName0},{')',_Lrp},{dot,_Ld}], St, Loc)); {error,_E2} -> epp_reply(From, - {error,{abs_loc(Inc),epp, + {error,{loc(Inc),epp, {include,lib,NewName}}}), wait_req_scan(St) end; _Error -> - epp_reply(From, {error,{abs_loc(Inc),epp, + epp_reply(From, {error,{loc(Inc),epp, {include,lib,NewName}}}), wait_req_scan(St) end end; scan_include_lib(_Toks, Inc, From, St) -> - epp_reply(From, {error,{abs_loc(Inc),epp,{bad,include_lib}}}), + epp_reply(From, {error,{loc(Inc),epp,{bad,include_lib}}}), wait_req_scan(St). %% scan_ifdef(Tokens, IfdefToken, From, EppState) @@ -1088,11 +1099,12 @@ scan_endif(_Toks, Endif, From, St) -> scan_file([{'(',_Llp},{string,_Ls,Name},{',',_Lc},{integer,_Li,Ln},{')',_Lrp}, {dot,_Ld}], Tf, From, St) -> - enter_file_reply(From, Name, Ln, neg_line(abs_loc(Tf))), - Ms = dict:store({atom,'FILE'}, {none,[{string,1,Name}]}, St#epp.macs), + Anno = erl_anno:new(Ln), + enter_file_reply(From, Name, Anno, loc(Tf), generated), + Ms = dict:store({atom,'FILE'}, {none,[{string,line1(),Name}]}, St#epp.macs), Locf = loc(Tf), NewLoc = new_location(Ln, St#epp.location, Locf), - Delta = abs(get_line(element(2, Tf)))-Ln + St#epp.delta, + Delta = get_line(element(2, Tf))-Ln + St#epp.delta, wait_req_scan(St#epp{name2=Name,location=NewLoc,delta=Delta,macs=Ms}); scan_file(_Toks, Tf, From, St) -> epp_reply(From, {error,{loc(Tf),epp,{bad,file}}}), @@ -1153,7 +1165,7 @@ skip_else(_Else, From, St, Sis) -> skip_toks(From, St, Sis). %% macro_pars(Tokens, ArgStack) -%% macro_expansion(Tokens, Line) +%% macro_expansion(Tokens, Anno) %% Extract the macro parameters and the expansion from a macro definition. macro_pars([{')',_Lp}, {',',Ld}|Ex], Args) -> @@ -1165,11 +1177,12 @@ macro_pars([{var,_L,Name}, {',',_}|Ts], Args) -> false = lists:member(Name, Args), macro_pars(Ts, [Name|Args]). -macro_expansion([{')',_Lp},{dot,_Ld}], _L0) -> []; -macro_expansion([{dot,Ld}], _L0) -> throw({error,Ld,missing_parenthesis}); -macro_expansion([T|Ts], _L0) -> - [T|macro_expansion(Ts, element(2, T))]; -macro_expansion([], L0) -> throw({error,L0,premature_end}). +macro_expansion([{')',_Lp},{dot,_Ld}], _Anno0) -> []; +macro_expansion([{dot,_}=Dot], _Anno0) -> + throw({error,loc(Dot),missing_parenthesis}); +macro_expansion([T|Ts], _Anno0) -> + [T|macro_expansion(Ts, T)]; +macro_expansion([], Anno0) -> throw({error,loc(Anno0),premature_end}). %% expand_macros(Tokens, Macros) %% expand_macro(Tokens, MacroToken, RestTokens) @@ -1239,17 +1252,17 @@ expand_macros([{'?',_Lq},{atom,_Lm,M}=MacT|Toks], Ms) -> expand_macros(atom, MacT, M, Toks, Ms); %% Special macros expand_macros([{'?',_Lq},{var,Lm,'LINE'}=Tok|Toks], Ms) -> - {line,Line} = erl_scan:token_info(Tok, line), + Line = erl_scan:line(Tok), [{integer,Lm,Line}|expand_macros(Toks, Ms)]; expand_macros([{'?',_Lq},{var,_Lm,M}=MacT|Toks], Ms) -> expand_macros(atom, MacT, M, Toks, Ms); %% Illegal macros expand_macros([{'?',_Lq},Token|_Toks], _Ms) -> - T = case erl_scan:token_info(Token, text) of - {text,Text} -> + T = case erl_scan:text(Token) of + Text when is_list(Text) -> Text; undefined -> - {symbol,Symbol} = erl_scan:token_info(Token, symbol), + Symbol = erl_scan:symbol(Token), io_lib:write(Symbol) end, throw({error,loc(Token),{call,[$?|T]}}); @@ -1383,7 +1396,7 @@ expand_arg([], Ts, L, Rest, Bs) -> %%% stringify(Ts, L) returns a list of one token: a string which when %%% tokenized would yield the token list Ts. -%% erl_scan:token_info(T, text) is not backward compatible with this. +%% erl_scan:text(T) is not backward compatible with this. %% Note that escaped characters will be replaced by themselves. token_src({dot, _}) -> "."; @@ -1456,36 +1469,29 @@ fname_join(Components) -> filename:join(Components). %% The line only. (Other tokens may have the column and text as well...) -loc_attr(Line) when is_integer(Line) -> - Line; -loc_attr({Line,_Column}) -> - Line. +loc_anno(Line) when is_integer(Line) -> + erl_anno:new(Line); +loc_anno({Line,_Column}) -> + erl_anno:new(Line). loc(Token) -> - {location,Location} = erl_scan:token_info(Token, location), - Location. + erl_scan:location(Token). -abs_loc(Token) -> - loc(setelement(2, Token, abs_line(element(2, Token)))). - -neg_line(L) -> - erl_scan:set_attribute(line, L, fun(Line) -> -abs(Line) end). - -abs_line(L) -> - erl_scan:set_attribute(line, L, fun(Line) -> abs(Line) end). - -add_line(L, Offset) -> - erl_scan:set_attribute(line, L, fun(Line) -> Line+Offset end). +add_line(Line, Offset) when is_integer(Line) -> + Line+Offset; +add_line({Line, Column}, Offset) -> + {Line+Offset, Column}. start_loc(Line) when is_integer(Line) -> 1; start_loc({_Line, _Column}) -> - {1,1}. + {1, 1}. -get_line(Line) when is_integer(Line) -> - Line; -get_line({Line,_Column}) -> - Line. +line1() -> + erl_anno:new(1). + +get_line(Anno) -> + erl_anno:line(Anno). %% epp has always output -file attributes when entering and leaving %% included files (-include, -include_lib). Starting with R11B the @@ -1525,14 +1531,15 @@ get_line({Line,_Column}) -> interpret_file_attribute(Forms) -> interpret_file_attr(Forms, 0, []). -interpret_file_attr([{attribute,Loc,file,{File,Line}}=Form | Forms], +interpret_file_attr([{attribute,Anno,file,{File,Line}}=Form | Forms], Delta, Fs) -> - {line, L} = erl_scan:attributes_info(Loc, line), + L = get_line(Anno), + Generated = erl_anno:generated(Anno), if - L < 0 -> + Generated -> %% -file attribute - interpret_file_attr(Forms, (abs(L) + Delta) - Line, Fs); - true -> + interpret_file_attr(Forms, (L + Delta) - Line, Fs); + not Generated -> %% -include or -include_lib % true = L =:= Line, case Fs of @@ -1543,11 +1550,11 @@ interpret_file_attr([{attribute,Loc,file,{File,Line}}=Form | Forms], end end; interpret_file_attr([Form0 | Forms], Delta, Fs) -> - F = fun(Attrs) -> - F2 = fun(L) -> abs(L) + Delta end, - erl_scan:set_attribute(line, Attrs, F2) + F = fun(Anno) -> + Line = erl_anno:line(Anno), + erl_anno:set_line(Line + Delta, Anno) end, - Form = erl_lint:modify_line(Form0, F), + Form = erl_parse:map_anno(F, Form0), [Form | interpret_file_attr(Forms, Delta, Fs)]; interpret_file_attr([], _Delta, _Fs) -> []. diff --git a/lib/stdlib/src/erl_anno.erl b/lib/stdlib/src/erl_anno.erl new file mode 100644 index 0000000000..fa83375c34 --- /dev/null +++ b/lib/stdlib/src/erl_anno.erl @@ -0,0 +1,458 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 1996-2015. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +-module(erl_anno). + +-export([new/1, is_anno/1]). +-export([column/1, end_location/1, file/1, generated/1, + line/1, location/1, record/1, text/1]). +-export([set_file/2, set_generated/2, set_line/2, set_location/2, + set_record/2, set_text/2]). + +%% To be used when necessary to avoid Dialyzer warnings. +-export([to_term/1, from_term/1]). + +-export_type([anno/0, line/0, column/0, location/0, text/0]). + +-export_type([anno_term/0]). + +-define(LN(L), is_integer(L)). +-define(COL(C), (is_integer(C) andalso C >= 1)). + +%% Location. +-define(LCOLUMN(C), ?COL(C)). +-define(LLINE(L), ?LN(L)). + +%% Debug: define DEBUG to make sure that annotations are handled as an +%% opaque type. Note that all abstract code need to be compiled with +%% DEBUG=true. See also ./erl_pp.erl. + +%-define(DEBUG, true). + +-type annotation() :: {'file', filename()} + | {'generated', generated()} + | {'location', location()} + | {'record', record()} + | {'text', string()}. + +-type anno() :: location() | [annotation(), ...]. +-type anno_term() :: term(). + +-type column() :: pos_integer(). +-type generated() :: boolean(). +-type filename() :: file:filename_all(). +-type line() :: integer(). +-type location() :: line() | {line(), column()}. +-type record() :: boolean(). +-type text() :: string(). + +-ifdef(DEBUG). +%% Anything 'false' accepted by the compiler. +-define(ALINE(A), is_reference(A)). +-define(ACOLUMN(A), is_reference(A)). +-else. +-define(ALINE(L), ?LN(L)). +-define(ACOLUMN(C), ?COL(C)). +-endif. + +-spec to_term(Anno) -> anno_term() when + Anno :: anno(). + +-ifdef(DEBUG). +to_term(Anno) -> + simplify(Anno). +-else. +to_term(Anno) -> + Anno. +-endif. + +-spec from_term(Term) -> Anno when + Term :: anno_term(), + Anno :: anno(). + +-ifdef(DEBUG). +from_term(Term) when is_list(Term) -> + Term; +from_term(Term) -> + [{location, Term}]. +-else. +from_term(Term) -> + Term. +-endif. + +-spec new(Location) -> anno() when + Location :: location(). + +new(Line) when ?LLINE(Line) -> + new_location(Line); +new({Line, Column}=Loc) when ?LLINE(Line), ?LCOLUMN(Column) -> + new_location(Loc); +new(Term) -> + erlang:error(badarg, [Term]). + +-ifdef(DEBUG). +new_location(Location) -> + [{location, Location}]. +-else. +new_location(Location) -> + Location. +-endif. + +-spec is_anno(Term) -> boolean() when + Term :: any(). + +is_anno(Line) when ?ALINE(Line) -> + true; +is_anno({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + true; +is_anno(Anno) -> + (Anno =/= [] andalso + is_anno1(Anno) andalso + lists:keymember(location, 1, Anno)). + +is_anno1([{Item, Value}|Anno]) -> + is_anno2(Item, Value) andalso is_anno1(Anno); +is_anno1(A) -> + A =:= []. + +is_anno2(location, Line) when ?LN(Line) -> + true; +is_anno2(location, {Line, Column}) when ?LN(Line), ?COL(Column) -> + true; +is_anno2(generated, true) -> + true; +is_anno2(file, Filename) -> + is_filename(Filename); +is_anno2(record, true) -> + true; +is_anno2(text, Text) -> + is_string(Text); +is_anno2(_, _) -> + false. + +is_filename(T) -> + is_list(T) orelse is_binary(T). + +is_string(T) -> + is_list(T). + +-spec column(Anno) -> column() | 'undefined' when + Anno :: anno(). + +column({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + Column; +column(Line) when ?ALINE(Line) -> + undefined; +column(Anno) -> + case location(Anno) of + {_Line, Column} -> + Column; + _Line -> + undefined + end. + +-spec end_location(Anno) -> location() | 'undefined' when + Anno :: anno(). + +end_location(Anno) -> + case text(Anno) of + undefined -> + undefined; + Text -> + case location(Anno) of + {Line, Column} -> + end_location(Text, Line, Column); + Line -> + end_location(Text, Line) + end + end. + +-spec file(Anno) -> filename() | 'undefined' when + Anno :: anno(). + +file(Line) when ?ALINE(Line) -> + undefined; +file({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + undefined; +file(Anno) -> + anno_info(Anno, file). + +-spec generated(Anno) -> generated() when + Anno :: anno(). + +generated(Line) when ?ALINE(Line) -> + Line =< 0; +generated({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + Line =< 0; +generated(Anno) -> + _ = anno_info(Anno, generated, false), + {location, Location} = lists:keyfind(location, 1, Anno), + case Location of + {Line, _Column} -> + Line =< 0; + Line -> + Line =< 0 + end. + +-spec line(Anno) -> line() when + Anno :: anno(). + +line(Anno) -> + case location(Anno) of + {Line, _Column} -> + Line; + Line -> + Line + end. + +-spec location(Anno) -> location() when + Anno :: anno(). + +location(Line) when ?ALINE(Line) -> + abs(Line); +location({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + {abs(Line), Column}; +location(Anno) -> + case anno_info(Anno, location) of + Line when Line < 0 -> + -Line; + {Line, Column} when Line < 0 -> + {-Line, Column}; + Location -> + Location + end. + +-spec record(Anno) -> record() when + Anno :: anno(). + +record(Line) when ?ALINE(Line) -> + false; +record({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + false; +record(Anno) -> + anno_info(Anno, record, false). + +-spec text(Anno) -> text() | 'undefined' when + Anno :: anno(). + +text(Line) when ?ALINE(Line) -> + undefined; +text({Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column) -> + undefined; +text(Anno) -> + anno_info(Anno, text). + +-spec set_file(File, Anno) -> Anno when + File :: filename(), + Anno :: anno(). + +set_file(File, Anno) -> + set(file, File, Anno). + +-spec set_generated(Generated, Anno) -> Anno when + Generated :: generated(), + Anno :: anno(). + +set_generated(true, Line) when ?ALINE(Line) -> + -abs(Line); +set_generated(false, Line) when ?ALINE(Line) -> + abs(Line); +set_generated(true, {Line, Column}) when ?ALINE(Line), + ?ACOLUMN(Column) -> + {-abs(Line),Column}; +set_generated(false, {Line, Column}) when ?ALINE(Line), + ?ACOLUMN(Column) -> + {abs(Line),Column}; +set_generated(Generated, Anno) -> + _ = set(generated, Generated, Anno), + {location, Location} = lists:keyfind(location, 1, Anno), + NewLocation = + case Location of + {Line, Column} when Generated -> + {-abs(Line), Column}; + {Line, Column} when not Generated -> + {abs(Line), Column}; + Line when Generated -> + -abs(Line); + Line when not Generated -> + abs(Line) + end, + lists:keyreplace(location, 1, Anno, {location, NewLocation}). + +-spec set_line(Line, Anno) -> Anno when + Line :: line(), + Anno :: anno(). + +set_line(Line, Anno) -> + case location(Anno) of + {_Line, Column} -> + set_location({Line, Column}, Anno); + _Line -> + set_location(Line, Anno) + end. + +-spec set_location(Location, Anno) -> Anno when + Location :: location(), + Anno :: anno(). + +set_location(Line, L) when ?ALINE(L), ?LLINE(Line) -> + new_location(fix_line(Line, L)); +set_location(Line, {L, Column}) when ?ALINE(L), ?ACOLUMN(Column), + ?LLINE(Line) -> + new_location(fix_line(Line, L)); +set_location({L, C}=Loc, Line) when ?ALINE(Line), ?LLINE(L), ?LCOLUMN(C) -> + new_location(fix_location(Loc, Line)); +set_location({L, C}=Loc, {Line, Column}) when ?ALINE(Line), ?ACOLUMN(Column), + ?LLINE(L), ?LCOLUMN(C) -> + new_location(fix_location(Loc, Line)); +set_location(Location, Anno) -> + _ = set(location, Location, Anno), + {location, OldLocation} = lists:keyfind(location, 1, Anno), + NewLocation = + case {Location, OldLocation} of + {{_Line, _Column}=Loc, {L, _C}} -> + fix_location(Loc, L); + {Line, {L, _C}} -> + fix_line(Line, L); + {{_Line, _Column}=Loc, L} -> + fix_location(Loc, L); + {Line, L} -> + fix_line(Line, L) + end, + lists:keyreplace(location, 1, Anno, {location, NewLocation}). + +fix_location({Line, Column}, OldLine) -> + {fix_line(Line, OldLine), Column}. + +fix_line(Line, OldLine) when OldLine < 0, Line > 0 -> + -Line; +fix_line(Line, _OldLine) -> + Line. + +-spec set_record(Record, Anno) -> Anno when + Record :: record(), + Anno :: anno(). + +set_record(Record, Anno) -> + set(record, Record, Anno). + +-spec set_text(Text, Anno) -> Anno when + Text :: text(), + Anno :: anno(). + +set_text(Text, Anno) -> + set(text, Text, Anno). + +set(Item, Value, Anno) -> + case {is_settable(Item, Value), Anno} of + {true, Line} when ?ALINE(Line) -> + set_anno(Item, Value, [{location, Line}]); + {true, {L, C}=Location} when ?ALINE(L), ?ACOLUMN(C) -> + set_anno(Item, Value, [{location, Location}]); + {true, A} when is_list(A), A =/= [] -> + set_anno(Item, Value, Anno); + _ -> + erlang:error(badarg, [Item, Value, Anno]) + end. + +set_anno(Item, Value, Anno) -> + case default(Item, Value) of + true -> + reset(Anno, Item); + false -> + R = case anno_info(Anno, Item) of + undefined -> + [{Item, Value}|Anno]; + _ -> + lists:keyreplace(Item, 1, Anno, {Item, Value}) + end, + simplify(R) + end. + +reset(Anno, Item) -> + A = lists:keydelete(Item, 1, Anno), + reset_simplify(A). + +-ifdef(DEBUG). +reset_simplify(A) -> + A. +-else. +reset_simplify(A) -> + simplify(A). +-endif. + +simplify([{location, Location}]) -> + Location; +simplify(Anno) -> + Anno. + +anno_info(Anno, Item, Default) -> + try lists:keyfind(Item, 1, Anno) of + false -> + Default; + {Item, Value} -> + Value + catch + _:_ -> + erlang:error(badarg, [Anno]) + end. + +anno_info(Anno, Item) -> + try lists:keyfind(Item, 1, Anno) of + {Item, Value} -> + Value; + false -> + undefined + catch + _:_ -> + erlang:error(badarg, [Anno]) + end. + +end_location("", Line, Column) -> + {Line, Column}; +end_location([$\n|String], Line, _Column) -> + end_location(String, Line+1, 1); +end_location([_|String], Line, Column) -> + end_location(String, Line, Column+1). + +end_location("", Line) -> + Line; +end_location([$\n|String], Line) -> + end_location(String, Line+1); +end_location([_|String], Line) -> + end_location(String, Line). + +is_settable(file, File) -> + is_filename(File); +is_settable(generated, Boolean) when Boolean; not Boolean -> + true; +is_settable(location, Line) when ?LLINE(Line) -> + true; +is_settable(location, {Line, Column}) when ?LLINE(Line), ?LCOLUMN(Column) -> + true; +is_settable(record, Boolean) when Boolean; not Boolean -> + true; +is_settable(text, Text) -> + is_string(Text); +is_settable(_, _) -> + false. + +default(generated, false) -> true; +default(record, false) -> true; +default(_, _) -> false. diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl index 639ddfc214..39f833009f 100644 --- a/lib/stdlib/src/erl_eval.erl +++ b/lib/stdlib/src/erl_eval.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -246,18 +246,14 @@ expr({record,_,_,Name,_}, _Bs, _Lf, _Ef, _RBs) -> %% map expr({map,_,Binding,Es}, Bs0, Lf, Ef, RBs) -> {value, Map0, Bs1} = expr(Binding, Bs0, Lf, Ef, none), - case Map0 of - #{} -> - {Vs,Bs2} = eval_map_fields(Es, Bs0, Lf, Ef), - Map1 = lists:foldl(fun ({map_assoc,K,V}, Mi) -> - maps:put(K, V, Mi); - ({map_exact,K,V}, Mi) -> - maps:update(K, V, Mi) - end, Map0, Vs), - ret_expr(Map1, merge_bindings(Bs2, Bs1), RBs); - _ -> - erlang:raise(error, {badarg,Map0}, stacktrace()) - end; + {Vs,Bs2} = eval_map_fields(Es, Bs0, Lf, Ef), + _ = maps:put(k, v, Map0), %Validate map. + Map1 = lists:foldl(fun ({map_assoc,K,V}, Mi) -> + maps:put(K, V, Mi); + ({map_exact,K,V}, Mi) -> + maps:update(K, V, Mi) + end, Map0, Vs), + ret_expr(Map1, merge_bindings(Bs2, Bs1), RBs); expr({map,_,Es}, Bs0, Lf, Ef, RBs) -> {Vs,Bs} = eval_map_fields(Es, Bs0, Lf, Ef), ret_expr(lists:foldl(fun @@ -483,12 +479,13 @@ expr({value,_,Val}, Bs, _Lf, _Ef, RBs) -> % Special case straight values. find_maxline(LC) -> put('$erl_eval_max_line', 0), - F = fun(L) -> + F = fun(A) -> + L = erl_anno:line(A), case is_integer(L) and (L > get('$erl_eval_max_line')) of true -> put('$erl_eval_max_line', L); false -> ok end end, - _ = erl_lint:modify_line(LC, F), + _ = erl_parse:map_anno(F, LC), erase('$erl_eval_max_line'). hide_calls(LC, MaxLine) -> @@ -498,14 +495,16 @@ hide_calls(LC, MaxLine) -> %% v/1 and local calls are hidden. hide({value,L,V}, Id, D) -> - {{atom,Id,ok}, Id+1, dict:store(Id, {value,L,V}, D)}; + A = erl_anno:new(Id), + {{atom,A,ok}, Id+1, dict:store(Id, {value,L,V}, D)}; hide({call,L,{atom,_,N}=Atom,Args}, Id0, D0) -> {NArgs, Id, D} = hide(Args, Id0, D0), C = case erl_internal:bif(N, length(Args)) of true -> {call,L,Atom,NArgs}; false -> - {call,Id,{remote,L,{atom,L,m},{atom,L,f}},NArgs} + A = erl_anno:new(Id), + {call,A,{remote,L,{atom,L,m},{atom,L,f}},NArgs} end, {C, Id+1, dict:store(Id, {call,Atom}, D)}; hide(T0, Id0, D0) when is_tuple(T0) -> @@ -518,11 +517,23 @@ hide([E0 | Es0], Id0, D0) -> hide(E, Id, D) -> {E, Id, D}. -unhide_calls({atom,Id,ok}, MaxLine, D) when Id > MaxLine -> - dict:fetch(Id, D); -unhide_calls({call,Id,{remote,L,_M,_F},Args}, MaxLine, D) when Id > MaxLine -> - {call,Atom} = dict:fetch(Id, D), - {call,L,Atom,unhide_calls(Args, MaxLine, D)}; +unhide_calls({atom,A,ok}=E, MaxLine, D) -> + L = erl_anno:line(A), + if + L > MaxLine -> + dict:fetch(L, D); + true -> + E + end; +unhide_calls({call,A,{remote,L,{atom,L,m},{atom,L,f}}=F,Args}, MaxLine, D) -> + Line = erl_anno:line(A), + if + Line > MaxLine -> + {call,Atom} = dict:fetch(Line, D), + {call,L,Atom,unhide_calls(Args, MaxLine, D)}; + true -> + {call,A,F,unhide_calls(Args, MaxLine, D)} + end; unhide_calls(T, MaxLine, D) when is_tuple(T) -> list_to_tuple(unhide_calls(tuple_to_list(T), MaxLine, D)); unhide_calls([E | Es], MaxLine, D) -> @@ -1172,7 +1183,7 @@ match_tuple([], _, _, Bs, _BBs) -> match_map([{map_field_exact, _, K, V}|Fs], Map, Bs0, BBs) -> Vm = try - {value, Ke, _} = expr(K, new_bindings()), + {value, Ke, _} = expr(K, Bs0), maps:get(Ke,Map) catch error:_ -> throw(nomatch) diff --git a/lib/stdlib/src/erl_expand_records.erl b/lib/stdlib/src/erl_expand_records.erl index 64a00acd88..0d3debae22 100644 --- a/lib/stdlib/src/erl_expand_records.erl +++ b/lib/stdlib/src/erl_expand_records.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2014. All Rights Reserved. +%% Copyright Ericsson AB 2005-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -38,8 +38,6 @@ checked_ra=[] % successfully accessed records }). --define(REC_OFFSET, 100000000). % A hundred millions. Also in v3_core. - -spec(module(AbsForms, CompileOptions) -> AbsForms when AbsForms :: [erl_parse:abstract_form()], CompileOptions :: [compile:option()]). @@ -149,7 +147,7 @@ pattern({record_index,Line,Name,Field}, St) -> pattern({record,Line0,Name,Pfs}, St0) -> Fs = record_fields(Name, St0), {TMs,St1} = pattern_list(pattern_fields(Fs, Pfs), St0), - Line = record_offset(Line0, St1), + Line = mark_record(Line0, St1), {{tuple,Line,[{atom,Line0,Name} | TMs]},St1}; pattern({bin,Line,Es0}, St0) -> {Es1,St1} = pattern_bin(Es0, St0), @@ -243,7 +241,7 @@ record_test_in_guard(Line, Term, Name, St) -> expr({atom,Line,false}, St); false -> Fs = record_fields(Name, St), - NLine = neg_line(Line), + NLine = no_compiler_warning(Line), expr({call,NLine,{remote,NLine,{atom,NLine,erlang},{atom,NLine,is_record}}, [Term,{atom,Line,Name},{integer,Line,length(Fs)+1}]}, St) @@ -269,7 +267,7 @@ record_test_in_body(Line, Expr, Name, St0) -> %% evaluate to a tuple properly. Fs = record_fields(Name, St0), {Var,St} = new_var(Line, St0), - NLine = neg_line(Line), + NLine = no_compiler_warning(Line), expr({block,Line, [{match,Line,Var,Expr}, {call,NLine,{remote,NLine,{atom,NLine,erlang}, @@ -333,7 +331,7 @@ expr({record_index,Line,Name,F}, St) -> I = index_expr(Line, F, Name, record_fields(Name, St)), expr(I, St); expr({record,Line0,Name,Is}, St) -> - Line = record_offset(Line0, St), + Line = mark_record(Line0, St), expr({tuple,Line,[{atom,Line0,Name} | record_inits(record_fields(Name, St), Is)]}, St); @@ -384,21 +382,11 @@ expr({call,Line,{tuple,_,[{atom,_,erlang},{atom,_,is_record}]}, expr({call,Line,{atom,_La,N}=Atom,As0}, St0) -> {As,St1} = expr_list(As0, St0), Ar = length(As), - case erl_internal:bif(N, Ar) of - true -> - {{call,Line,Atom,As},St1}; - false -> - case imported(N, Ar, St1) of - {yes,_Mod} -> - {{call,Line,Atom,As},St1}; - no -> - case {N,Ar} of - {record_info,2} -> - record_info_call(Line, As, St1); - _ -> - {{call,Line,Atom,As},St1} - end - end + case {N,Ar} =:= {record_info,2} andalso not imported(N, Ar, St1) of + true -> + record_info_call(Line, As, St1); + false -> + {{call,Line,Atom,As},St1} end; expr({call,Line,{remote,Lr,M,F},As0}, St0) -> {[M1,F1 | As1],St1} = expr_list([M,F | As0], St0), @@ -469,7 +457,7 @@ strict_record_access(E0, St0) -> conj([], _E) -> empty; conj([{{Name,_Rp},L,R,Sz} | AL], E) -> - NL = neg_line(L), + NL = no_compiler_warning(L), T1 = {op,NL,'orelse', {call,NL, {remote,NL,{atom,NL,erlang},{atom,NL,is_record}}, @@ -585,8 +573,8 @@ strict_get_record_field(Line, R, {atom,_,F}=Index, Name, St0) -> Fs = record_fields(Name, St), I = index_expr(F, Fs, 2), P = record_pattern(2, I, Var, length(Fs)+1, Line, [{atom,Line,Name}]), - NLine = neg_line(Line), - RLine = record_offset(NLine, St), + NLine = no_compiler_warning(Line), + RLine = mark_record(NLine, St), E = {'case',NLine,R, [{clause,NLine,[{tuple,RLine,P}],[],[Var]}, {clause,NLine,[{var,NLine,'_'}],[], @@ -600,7 +588,8 @@ strict_get_record_field(Line, R, {atom,_,F}=Index, Name, St0) -> I = index_expr(Line, Index, Name, Fs), {ExpR,St1} = expr(R, St0), %% Just to make comparison simple: - ExpRp = erl_lint:modify_line(ExpR, fun(_L) -> 0 end), + A0 = erl_anno:new(0), + ExpRp = erl_parse:map_anno(fun(_A) -> A0 end, ExpR), RA = {{Name,ExpRp},Line,ExpR,length(Fs)+1}, St2 = St1#exprec{strict_ra = [RA | St1#exprec.strict_ra]}, {{call,Line, @@ -701,8 +690,8 @@ record_update(R, Name, Fs, Us0, St0) -> record_match(R, Name, Lr, Fs, Us, St0) -> {Ps,News,St1} = record_upd_fs(Fs, Us, St0), - NLr = neg_line(Lr), - RLine = record_offset(Lr, St1), + NLr = no_compiler_warning(Lr), + RLine = mark_record(Lr, St1), {{'case',Lr,R, [{clause,Lr,[{tuple,RLine,[{atom,Lr,Name} | Ps]}],[], [{tuple,RLine,[{atom,Lr,Name} | News]}]}, @@ -733,8 +722,8 @@ record_setel(R, Name, Fs, Us0) -> Us = [T || {_,T} <- Us2], Lr = element(2, hd(Us)), Wildcards = duplicate(length(Fs), {var,Lr,'_'}), - NLr = neg_line(Lr), - %% Note: calling record_offset() here is not necessary since it is + NLr = no_compiler_warning(Lr), + %% Note: calling mark_record() here is not necessary since it is %% targeted at Dialyzer which always calls the compiler with %% 'strict_record_updates' meaning that record_setel() will never %% be called. @@ -832,10 +821,7 @@ add_imports(Mod, [F | Fs], Is) -> add_imports(_, [], Is) -> Is. imported(F, A, St) -> - case orddict:find({F,A}, St#exprec.imports) of - {ok,Mod} -> {yes,Mod}; - error -> no - end. + orddict:is_key({F,A}, St#exprec.imports). %%% %%% Replace is_record/3 in guards with matching if possible. @@ -969,12 +955,11 @@ opt_remove_2({call,Line,{atom,_,is_record}, end; opt_remove_2(A, _) -> A. -neg_line(L) -> - erl_parse:set_line(L, fun(Line) -> -abs(Line) end). +no_compiler_warning(Anno) -> + erl_anno:set_generated(true, Anno). -record_offset(L, St) -> +mark_record(Anno, St) -> case lists:member(dialyzer, St#exprec.compile) of - true when L >= 0 -> L+?REC_OFFSET; - true when L < 0 -> L-?REC_OFFSET; - false -> L + true -> erl_anno:set_record(true, Anno); + false -> Anno end. diff --git a/lib/stdlib/src/erl_internal.erl b/lib/stdlib/src/erl_internal.erl index edfb097de0..2bf8b86c23 100644 --- a/lib/stdlib/src/erl_internal.erl +++ b/lib/stdlib/src/erl_internal.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2013. All Rights Reserved. +%% Copyright Ericsson AB 1998-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -51,6 +51,8 @@ type_test/2,new_type_test/2,old_type_test/2,old_bif/2]). -export([arith_op/2,bool_op/2,comp_op/2,list_op/2,send_op/2,op_type/2]). +-export([is_type/2]). + %%--------------------------------------------------------------------------- %% Erlang builtin functions allowed in guards. @@ -293,6 +295,7 @@ bif(garbage_collect, 1) -> true; bif(garbage_collect, 2) -> true; bif(get, 0) -> true; bif(get, 1) -> true; +bif(get_keys, 0) -> true; bif(get_keys, 1) -> true; bif(group_leader, 0) -> true; bif(group_leader, 2) -> true; @@ -530,3 +533,53 @@ old_bif(unlink, 1) -> true; old_bif(unregister, 1) -> true; old_bif(whereis, 1) -> true; old_bif(Name, A) when is_atom(Name), is_integer(A) -> false. + +-spec is_type(Name, NumberOfTypeVariables) -> boolean() when + Name :: atom(), + NumberOfTypeVariables :: non_neg_integer(). +%% Returns true if Name/NumberOfTypeVariables is a predefined type. + +is_type(any, 0) -> true; +is_type(arity, 0) -> true; +is_type(atom, 0) -> true; +is_type(binary, 0) -> true; +is_type(bitstring, 0) -> true; +is_type(bool, 0) -> true; +is_type(boolean, 0) -> true; +is_type(byte, 0) -> true; +is_type(char, 0) -> true; +is_type(float, 0) -> true; +is_type(function, 0) -> true; +is_type(identifier, 0) -> true; +is_type(integer, 0) -> true; +is_type(iodata, 0) -> true; +is_type(iolist, 0) -> true; +is_type(list, 0) -> true; +is_type(list, 1) -> true; +is_type(map, 0) -> true; +is_type(maybe_improper_list, 0) -> true; +is_type(maybe_improper_list, 2) -> true; +is_type(mfa, 0) -> true; +is_type(module, 0) -> true; +is_type(neg_integer, 0) -> true; +is_type(nil, 0) -> true; +is_type(no_return, 0) -> true; +is_type(node, 0) -> true; +is_type(non_neg_integer, 0) -> true; +is_type(none, 0) -> true; +is_type(nonempty_improper_list, 2) -> true; +is_type(nonempty_list, 0) -> true; +is_type(nonempty_list, 1) -> true; +is_type(nonempty_maybe_improper_list, 0) -> true; +is_type(nonempty_maybe_improper_list, 2) -> true; +is_type(nonempty_string, 0) -> true; +is_type(number, 0) -> true; +is_type(pid, 0) -> true; +is_type(port, 0) -> true; +is_type(pos_integer, 0) -> true; +is_type(reference, 0) -> true; +is_type(string, 0) -> true; +is_type(term, 0) -> true; +is_type(timeout, 0) -> true; +is_type(tuple, 0) -> true; +is_type(_, _) -> false. diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl index 39cc03cf7a..ac92004061 100644 --- a/lib/stdlib/src/erl_lint.erl +++ b/lib/stdlib/src/erl_lint.erl @@ -2,7 +2,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -34,6 +34,8 @@ -import(lists, [member/2,map/2,foldl/3,foldr/3,mapfoldl/3,all/2,reverse/1]). +-deprecated([{modify_line, 2, next_major_release}]). + %% bool_option(OnOpt, OffOpt, Default, Options) -> boolean(). %% value_option(Flag, Default, Options) -> Value. %% value_option(Flag, Default, OnOpt, OnVal, OffOpt, OffVal, Options) -> @@ -76,7 +78,7 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) -> %%-define(DEBUGF(X,Y), io:format(X, Y)). -define(DEBUGF(X,Y), void). --type line() :: erl_scan:line(). % a convenient alias +-type line() :: erl_anno:line(). % a convenient alias -type fa() :: {atom(), arity()}. % function+arity -type ta() :: {atom(), arity()}. % type+arity @@ -111,25 +113,28 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) -> defined=gb_sets:empty() %Defined fuctions :: gb_sets:set(fa()), on_load=[] :: [fa()], %On-load function - on_load_line=0 :: line(), %Line for on_load + on_load_line=erl_anno:new(0) %Line for on_load + :: erl_anno:anno(), clashes=[], %Exported functions named as BIFs not_deprecated=[], %Not considered deprecated func=[], %Current function warn_format=0, %Warn format calls enabled_warnings=[], %All enabled warnings (ordset). + nowarn_bif_clash=[], %All no warn bif clashes (ordset). errors=[], %Current errors warnings=[], %Current warnings file = "" :: string(), %From last file attribute recdef_top=false :: boolean(), %true in record initialisation %outside any fun or lc xqlc= false :: boolean(), %true if qlc.hrl included - new = false :: boolean(), %Has user-defined 'new/N' called= [] :: [{fa(),line()}], %Called functions usage = #usage{} :: #usage{}, specs = dict:new() %Type specifications :: dict:dict(mfa(), line()), callbacks = dict:new() %Callback types :: dict:dict(mfa(), line()), + optional_callbacks = dict:new() %Optional callbacks + :: dict:dict(mfa(), line()), types = dict:new() %Type definitions :: dict:dict(ta(), #typeinfo{}), exp_types=gb_sets:empty() %Exported types @@ -138,7 +143,7 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) -> -type lint_state() :: #lint{}. -type error_description() :: term(). --type error_info() :: {erl_scan:line(), module(), error_description()}. +-type error_info() :: {erl_anno:line(), module(), error_description()}. %% format_error(Error) %% Return a string describing the error. @@ -225,6 +230,8 @@ format_error({deprecated, MFA, ReplacementMFA, Rel}) -> [format_mfa(MFA), Rel, format_mfa(ReplacementMFA)]); format_error({deprecated, {M1, F1, A1}, String}) when is_list(String) -> io_lib:format("~p:~p/~p: ~s", [M1, F1, A1, String]); +format_error({deprecated_type, {M1, F1, A1}, String}) when is_list(String) -> + io_lib:format("~p:~p~s: ~s", [M1, F1, gen_type_paren(A1), String]); format_error({removed, MFA, ReplacementMFA, Rel}) -> io_lib:format("call to ~s will fail, since it was removed in ~s; " "use ~s", [format_mfa(MFA), Rel, format_mfa(ReplacementMFA)]); @@ -237,10 +244,7 @@ format_error({too_many_arguments,Arity}) -> "maximum allowed is ~w", [Arity,?MAX_ARGUMENTS]); %% --- patterns and guards --- format_error(illegal_pattern) -> "illegal pattern"; -format_error(illegal_map_key) -> - "illegal map key"; -format_error({illegal_map_key_variable,K}) -> - io_lib:format("illegal use of variable ~w in map",[K]); +format_error(illegal_map_key) -> "illegal map key in pattern"; format_error(illegal_bin_pattern) -> "binary patterns cannot be matched in parallel using '='"; format_error(illegal_expr) -> "illegal expression"; @@ -313,13 +317,20 @@ format_error({undefined_behaviour,Behaviour}) -> io_lib:format("behaviour ~w undefined", [Behaviour]); format_error({undefined_behaviour_callbacks,Behaviour}) -> io_lib:format("behaviour ~w callback functions are undefined", - [Behaviour]); + [Behaviour]); format_error({ill_defined_behaviour_callbacks,Behaviour}) -> io_lib:format("behaviour ~w callback functions erroneously defined", [Behaviour]); +format_error({ill_defined_optional_callbacks,Behaviour}) -> + io_lib:format("behaviour ~w optional callback functions erroneously defined", + [Behaviour]); format_error({behaviour_info, {_M,F,A}}) -> io_lib:format("cannot define callback attibute for ~w/~w when " "behaviour_info is defined",[F,A]); +format_error({redefine_optional_callback, {F, A}}) -> + io_lib:format("optional callback ~w/~w duplicated", [F, A]); +format_error({undefined_callback, {_M, F, A}}) -> + io_lib:format("callback ~w/~w is undefined", [F, A]); %% --- types and specs --- format_error({singleton_typevar, Name}) -> io_lib:format("type variable ~w is only used once (is unbound)", [Name]); @@ -331,14 +342,10 @@ format_error({undefined_type, {TypeName, Arity}}) -> io_lib:format("type ~w~s undefined", [TypeName, gen_type_paren(Arity)]); format_error({unused_type, {TypeName, Arity}}) -> io_lib:format("type ~w~s is unused", [TypeName, gen_type_paren(Arity)]); -%% format_error({new_builtin_type, {TypeName, Arity}}) -> -%% io_lib:format("type ~w~s is a new builtin type; " -%% "its (re)definition is allowed only until the next release", -%% [TypeName, gen_type_paren(Arity)]); -format_error({new_var_arity_type, TypeName}) -> - io_lib:format("type ~w is a new builtin type; " +format_error({new_builtin_type, {TypeName, Arity}}) -> + io_lib:format("type ~w~s is a new builtin type; " "its (re)definition is allowed only until the next release", - [TypeName]); + [TypeName, gen_type_paren(Arity)]); format_error({builtin_type, {TypeName, Arity}}) -> io_lib:format("type ~w~s is a builtin type; it cannot be redefined", [TypeName, gen_type_paren(Arity)]); @@ -352,10 +359,14 @@ format_error({type_syntax, Constr}) -> io_lib:format("bad ~w type", [Constr]); format_error({redefine_spec, {M, F, A}}) -> io_lib:format("spec for ~w:~w/~w already defined", [M, F, A]); -format_error({redefine_callback, {M, F, A}}) -> - io_lib:format("callback ~w:~w/~w already defined", [M, F, A]); -format_error({spec_fun_undefined, {M, F, A}}) -> - io_lib:format("spec for undefined function ~w:~w/~w", [M, F, A]); +format_error({redefine_spec, {F, A}}) -> + io_lib:format("spec for ~w/~w already defined", [F, A]); +format_error({redefine_callback, {F, A}}) -> + io_lib:format("callback ~w/~w already defined", [F, A]); +format_error({bad_callback, {M, F, A}}) -> + io_lib:format("explicit module not allowed for callback ~w:~w/~w ", [M, F, A]); +format_error({spec_fun_undefined, {F, A}}) -> + io_lib:format("spec for undefined function ~w/~w", [F, A]); format_error({missing_spec, {F,A}}) -> io_lib:format("missing specification for function ~w/~w", [F, A]); format_error(spec_wrong_arity) -> @@ -383,9 +394,7 @@ format_error({underspecified_opaque, {TypeName, Arity}}) -> [TypeName, gen_type_paren(Arity)]); %% --- obsolete? unused? --- format_error({format_error, {Fmt, Args}}) -> - io_lib:format(Fmt, Args); -format_error({mnemosyne, What}) -> - "mnemosyne " ++ What ++ ", missing transformation". + io_lib:format(Fmt, Args). gen_type_paren(Arity) when is_integer(Arity), Arity >= 0 -> gen_type_paren_1(Arity, ")"). @@ -421,13 +430,13 @@ exprs(Exprs, BindingsList) -> exprs_opt(Exprs, BindingsList, Opts) -> {St0,Vs} = foldl(fun({{record,_SequenceNumber,_Name},Attr0}, {St1,Vs1}) -> - Attr = zip_file_and_line(Attr0, "none"), + Attr = set_file(Attr0, "none"), {attribute_state(Attr, St1),Vs1}; ({V,_}, {St1,Vs1}) -> {St1,[{V,{bound,unused,[]}} | Vs1]} end, {start("nofile",Opts),[]}, BindingsList), Vt = orddict:from_list(Vs), - {_Evt,St} = exprs(zip_file_and_line(Exprs, "nofile"), Vt, St0), + {_Evt,St} = exprs(set_file(Exprs, "nofile"), Vt, St0), return_status(St). used_vars(Exprs, BindingsList) -> @@ -435,7 +444,7 @@ used_vars(Exprs, BindingsList) -> ({V,_Val}, Vs0) -> [{V,{bound,unused,[]}} | Vs0] end, [], BindingsList), Vt = orddict:from_list(Vs), - {Evt,_St} = exprs(zip_file_and_line(Exprs, "nofile"), Vt, start()), + {Evt,_St} = exprs(set_file(Exprs, "nofile"), Vt, start()), {ok, foldl(fun({V,{_,used,_}}, L) -> [V | L]; (_, L) -> L end, [], Evt)}. @@ -560,6 +569,7 @@ start(File, Opts) -> warn_format = value_option(warn_format, 1, warn_format, 1, nowarn_format, 0, Opts), enabled_warnings = Enabled, + nowarn_bif_clash = nowarn_function(nowarn_bif_clash, Opts), file = File }. @@ -599,34 +609,39 @@ pack_warnings(Ws) -> %% add_warning(ErrorDescriptor, State) -> State' %% add_warning(Line, Error, State) -> State' -add_error(E, St) -> St#lint{errors=[{St#lint.file,E}|St#lint.errors]}. +add_error(E, St) -> add_lint_error(E, St#lint.file, St). + +add_error(Anno, E, St) -> + {File,Location} = loc(Anno, St), + add_lint_error({Location,erl_lint,E}, File, St). -add_error(FileLine, E, St) -> - {File,Location} = loc(FileLine), - add_error({Location,erl_lint,E}, St#lint{file = File}). +add_lint_error(E, File, St) -> + St#lint{errors=[{File,E}|St#lint.errors]}. -add_warning(W, St) -> St#lint{warnings=[{St#lint.file,W}|St#lint.warnings]}. +add_warning(W, St) -> add_lint_warning(W, St#lint.file, St). add_warning(FileLine, W, St) -> - {File,Location} = loc(FileLine), - add_warning({Location,erl_lint,W}, St#lint{file = File}). - -loc(L) -> - case erl_parse:get_attribute(L, location) of - {location,{{File,Line},Column}} -> - {File,{Line,Column}}; - {location,{File,Line}} -> - {File,Line} + {File,Location} = loc(FileLine, St), + add_lint_warning({Location,erl_lint,W}, File, St). + +add_lint_warning(W, File, St) -> + St#lint{warnings=[{File,W}|St#lint.warnings]}. + +loc(Anno, St) -> + Location = erl_anno:location(Anno), + case erl_anno:file(Anno) of + undefined -> {St#lint.file,Location}; + File -> {File,Location} end. %% forms([Form], State) -> State' forms(Forms0, St0) -> Forms = eval_file_attribute(Forms0, St0), + %% Annotations from now on include the 'file' item. Locals = local_functions(Forms), AutoImportSuppressed = auto_import_suppressed(St0#lint.compile), StDeprecated = disallowed_compile_flags(Forms,St0), - %% Line numbers are from now on pairs {File,Line}. St1 = includes_qlc_hrl(Forms, StDeprecated#lint{locals = Locals, no_auto = AutoImportSuppressed}), St2 = bif_clashes(Forms, St1), @@ -634,8 +649,6 @@ forms(Forms0, St0) -> St4 = foldl(fun form/2, pre_scan(Forms, St3), Forms), post_traversal_check(Forms, St4). -pre_scan([{function,_L,new,_A,_Cs} | Fs], St) -> - pre_scan(Fs, St#lint{new=true}); pre_scan([{attribute,L,compile,C} | Fs], St) -> case is_warn_enabled(export_all, St) andalso member(export_all, lists:flatten([C])) of @@ -662,15 +675,24 @@ eval_file_attribute(Forms, St) -> eval_file_attr([{attribute,_L,file,{File,_Line}}=Form | Forms], _File) -> [Form | eval_file_attr(Forms, File)]; eval_file_attr([Form0 | Forms], File) -> - Form = zip_file_and_line(Form0, File), + Form = set_form_file(Form0, File), [Form | eval_file_attr(Forms, File)]; eval_file_attr([], _File) -> []. -zip_file_and_line(T, File) -> - F0 = fun(Line) -> {File,Line} end, - F = fun(L) -> erl_parse:set_line(L, F0) end, - modify_line(T, F). +%% Sets the file only on the form. This is used on post-traversal. +%% For the remaining of the AST we rely on #lint.file. + +set_form_file({attribute,L,K,V}, File) -> + {attribute,erl_anno:set_file(File, L),K,V}; +set_form_file({function,L,N,A,C}, File) -> + {function,erl_anno:set_file(File, L),N,A,C}; +set_form_file(Form, _File) -> + Form. + +set_file(T, File) -> + F = fun(Anno) -> erl_anno:set_file(File, Anno) end, + erl_parse:map_anno(F, T). %% form(Form, State) -> State' %% Check a form returning the updated State. Handle generic cases here. @@ -727,6 +749,8 @@ attribute_state({attribute,L,spec,{Fun,Types}}, St) -> spec_decl(L, Fun, Types, St); attribute_state({attribute,L,callback,{Fun,Types}}, St) -> callback_decl(L, Fun, Types, St); +attribute_state({attribute,L,optional_callbacks,Es}, St) -> + optional_callbacks(L, Es, St); attribute_state({attribute,L,on_load,Val}, St) -> on_load(L, Val, St); attribute_state({attribute,_L,_Other,_Val}, St) -> % Ignore others @@ -738,6 +762,8 @@ attribute_state(Form, St) -> %% State' %% Allow for record, type and opaque type definitions and spec %% declarations to be intersperced within function definitions. +%% Dialyzer attributes are also allowed everywhere, but are not +%% checked at all. function_state({attribute,L,record,{Name,Fields}}, St) -> record_def(L, Name, Fields, St); @@ -747,12 +773,12 @@ function_state({attribute,L,opaque,{TypeName,TypeDef,Args}}, St) -> type_def(opaque, L, TypeName, TypeDef, Args, St); function_state({attribute,L,spec,{Fun,Types}}, St) -> spec_decl(L, Fun, Types, St); +function_state({attribute,_L,dialyzer,_Val}, St) -> + St; function_state({attribute,La,Attr,_Val}, St) -> add_error(La, {attribute,Attr}, St); function_state({function,L,N,A,Cs}, St) -> function(L, N, A, Cs, St); -function_state({rule,L,_N,_A,_Cs}, St) -> - add_error(L, {mnemosyne,"rule"}, St); function_state({eof,L}, St) -> eof(L, St). %% eof(LastLine, State) -> @@ -763,8 +789,7 @@ eof(_Line, St0) -> %% bif_clashes(Forms, State0) -> State. -bif_clashes(Forms, St) -> - Nowarn = nowarn_function(nowarn_bif_clash, St#lint.compile), +bif_clashes(Forms, #lint{nowarn_bif_clash=Nowarn} = St) -> Clashes0 = [{Name,Arity} || {function,_L,Name,Arity,_Cs} <- Forms, erl_internal:bif(Name, Arity)], Clashes = ordsets:subtract(ordsets:from_list(Clashes0), Nowarn), @@ -788,9 +813,11 @@ not_deprecated(Forms, St0) -> disallowed_compile_flags(Forms, St0) -> %% There are (still) no line numbers in St0#lint.compile. Errors0 = [ {St0#lint.file,{L,erl_lint,disallowed_nowarn_bif_clash}} || - {attribute,[{line,{_,L}}],compile,nowarn_bif_clash} <- Forms ], + {attribute,A,compile,nowarn_bif_clash} <- Forms, + {_,L} <- [loc(A, St0)] ], Errors1 = [ {St0#lint.file,{L,erl_lint,disallowed_nowarn_bif_clash}} || - {attribute,[{line,{_,L}}],compile,{nowarn_bif_clash, {_,_}}} <- Forms ], + {attribute,A,compile,{nowarn_bif_clash, {_,_}}} <- Forms, + {_,L} <- [loc(A, St0)] ], Disabled = (not is_warn_enabled(bif_clash, St0)), Errors = if Disabled andalso Errors0 =:= [] -> @@ -834,57 +861,73 @@ check_behaviour(St0) -> %% Check behaviours for existence and defined functions. behaviour_check(Bs, St0) -> - {AllBfs,St1} = all_behaviour_callbacks(Bs, [], St0), - St = behaviour_missing_callbacks(AllBfs, St1), + {AllBfs0, St1} = all_behaviour_callbacks(Bs, [], St0), + St = behaviour_missing_callbacks(AllBfs0, St1), + Exports = exports(St0), + F = fun(Bfs, OBfs) -> + [B || B <- Bfs, + not lists:member(B, OBfs) + orelse gb_sets:is_member(B, Exports)] + end, + %% After fixing missing callbacks new warnings may be emitted. + AllBfs = [{Item,F(Bfs0, OBfs0)} || {Item,Bfs0,OBfs0} <- AllBfs0], behaviour_conflicting(AllBfs, St). all_behaviour_callbacks([{Line,B}|Bs], Acc, St0) -> - {Bfs0,St} = behaviour_callbacks(Line, B, St0), - all_behaviour_callbacks(Bs, [{{Line,B},Bfs0}|Acc], St); + {Bfs0,OBfs0,St} = behaviour_callbacks(Line, B, St0), + all_behaviour_callbacks(Bs, [{{Line,B},Bfs0,OBfs0}|Acc], St); all_behaviour_callbacks([], Acc, St) -> {reverse(Acc),St}. behaviour_callbacks(Line, B, St0) -> try B:behaviour_info(callbacks) of - Funcs when is_list(Funcs) -> - All = all(fun({FuncName, Arity}) -> - is_atom(FuncName) andalso is_integer(Arity); - ({FuncName, Arity, Spec}) -> - is_atom(FuncName) andalso is_integer(Arity) - andalso is_list(Spec); - (_Other) -> - false - end, - Funcs), - MaybeRemoveSpec = fun({_F,_A}=FA) -> FA; - ({F,A,_S}) -> {F,A}; - (Other) -> Other - end, - if - All =:= true -> - {[MaybeRemoveSpec(F) || F <- Funcs], St0}; + undefined -> + St1 = add_warning(Line, {undefined_behaviour_callbacks, B}, St0), + {[], [], St1}; + Funcs -> + case is_fa_list(Funcs) of true -> + try B:behaviour_info(optional_callbacks) of + undefined -> + {Funcs, [], St0}; + OptFuncs -> + %% OptFuncs should always be OK thanks to + %% sys_pre_expand. + case is_fa_list(OptFuncs) of + true -> + {Funcs, OptFuncs, St0}; + false -> + W = {ill_defined_optional_callbacks, B}, + St1 = add_warning(Line, W, St0), + {Funcs, [], St1} + end + catch + _:_ -> + {Funcs, [], St0} + end; + false -> St1 = add_warning(Line, - {ill_defined_behaviour_callbacks,B}, + {ill_defined_behaviour_callbacks, B}, St0), - {[], St1} - end; - undefined -> - St1 = add_warning(Line, {undefined_behaviour_callbacks,B}, St0), - {[], St1}; - _Other -> - St1 = add_warning(Line, {ill_defined_behaviour_callbacks,B}, St0), - {[], St1} + {[], [], St1} + end catch _:_ -> - St1 = add_warning(Line, {undefined_behaviour,B}, St0), - {[], St1} + St1 = add_warning(Line, {undefined_behaviour, B}, St0), + {[], [], St1} end. -behaviour_missing_callbacks([{{Line,B},Bfs}|T], St0) -> +behaviour_missing_callbacks([{{Line,B},Bfs0,OBfs}|T], St0) -> + Bfs = ordsets:subtract(ordsets:from_list(Bfs0), ordsets:from_list(OBfs)), Exports = gb_sets:to_list(exports(St0)), - Missing = ordsets:subtract(ordsets:from_list(Bfs), Exports), + Missing = ordsets:subtract(Bfs, Exports), St = foldl(fun (F, S0) -> - add_warning(Line, {undefined_behaviour_func,F,B}, S0) + case is_fa(F) of + true -> + M = {undefined_behaviour_func,F,B}, + add_warning(Line, M, S0); + false -> + S0 % ill_defined_behaviour_callbacks + end end, St0, Missing), behaviour_missing_callbacks(T, St); behaviour_missing_callbacks([], St) -> St. @@ -899,7 +942,7 @@ behaviour_conflicting(AllBfs, St) -> behaviour_add_conflicts(R, St). behaviour_add_conflicts([{Cb,[{FirstLoc,FirstB}|Cs]}|T], St0) -> - FirstL = element(2, loc(FirstLoc)), + FirstL = element(2, loc(FirstLoc, St0)), St = behaviour_add_conflict(Cs, Cb, FirstL, FirstB, St0), behaviour_add_conflicts(T, St); behaviour_add_conflicts([], St) -> St. @@ -1046,10 +1089,9 @@ check_undefined_types(#lint{usage=Usage,types=Def}=St0) -> Used = Usage#usage.used_types, UTAs = dict:fetch_keys(Used), Undef = [{TA,dict:fetch(TA, Used)} || - {T,_}=TA <- UTAs, + TA <- UTAs, not dict:is_key(TA, Def), - not is_default_type(TA), - not is_newly_introduced_var_arity_type(T)], + not is_default_type(TA)], foldl(fun ({TA,L}, St) -> add_error(L, {undefined_type,TA}, St) end, St0, Undef). @@ -1118,7 +1160,7 @@ check_unused_records(Forms, St0) -> end, St0#lint.records, UsedRecords), Unused = [{Name,FileLine} || {Name,{FileLine,_Fields}} <- dict:to_list(URecs), - element(1, loc(FileLine)) =:= FirstFile], + element(1, loc(FileLine, St0)) =:= FirstFile], foldl(fun ({N,L}, St) -> add_warning(L, {unused_record, N}, St) end, St0, Unused); @@ -1127,19 +1169,29 @@ check_unused_records(Forms, St0) -> end. check_callback_information(#lint{callbacks = Callbacks, - defined = Defined} = State) -> - case gb_sets:is_member({behaviour_info,1}, Defined) of - false -> State; + optional_callbacks = OptionalCbs, + defined = Defined} = St0) -> + OptFun = fun({MFA, Line}, St) -> + case dict:is_key(MFA, Callbacks) of + true -> + St; + false -> + add_error(Line, {undefined_callback, MFA}, St) + end + end, + St1 = lists:foldl(OptFun, St0, dict:to_list(OptionalCbs)), + case gb_sets:is_member({behaviour_info, 1}, Defined) of + false -> St1; true -> case dict:size(Callbacks) of - 0 -> State; + 0 -> St1; _ -> CallbacksList = dict:to_list(Callbacks), FoldL = - fun({Fa,Line},St) -> + fun({Fa, Line}, St) -> add_error(Line, {behaviour_info, Fa}, St) end, - lists:foldl(FoldL, State, CallbacksList) + lists:foldl(FoldL, St1, CallbacksList) end end. @@ -1266,7 +1318,7 @@ imported(F, A, St) -> error -> no end. --spec on_load(line(), fa(), lint_state()) -> lint_state(). +-spec on_load(erl_anno:anno(), fa(), lint_state()) -> lint_state(). %% Check an on_load directive and remember it. on_load(Line, {Name,Arity}=Fa, #lint{on_load=OnLoad0}=St0) @@ -1301,14 +1353,15 @@ check_on_load(St) -> St. -spec call_function(line(), atom(), arity(), lint_state()) -> lint_state(). %% Add to both called and calls. -call_function(Line, F, A, #lint{usage=Usage0,called=Cd,func=Func}=St) -> +call_function(Line, F, A, #lint{usage=Usage0,called=Cd,func=Func,file=File}=St) -> #usage{calls = Cs} = Usage0, NA = {F,A}, Usage = case Cs of undefined -> Usage0; _ -> Usage0#usage{calls=dict:append(Func, NA, Cs)} end, - St#lint{called=[{NA,Line}|Cd], usage=Usage}. + Anno = erl_anno:set_file(File, Line), + St#lint{called=[{NA,Anno}|Cd], usage=Usage}. %% function(Line, Name, Arity, Clauses, State) -> State. @@ -1404,20 +1457,7 @@ pattern({cons,_Line,H,T}, Vt, Old, Bvt, St0) -> pattern({tuple,_Line,Ps}, Vt, Old, Bvt, St) -> pattern_list(Ps, Vt, Old, Bvt, St); pattern({map,_Line,Ps}, Vt, Old, Bvt, St) -> - foldl(fun - ({map_field_assoc,L,_,_}, {Psvt,Bvt0,St0}) -> - {Psvt,Bvt0,add_error(L, illegal_pattern, St0)}; - ({map_field_exact,L,KP,VP}, {Psvt,Bvt0,St0}) -> - case is_valid_map_key(KP, pattern, St0) of - true -> - {Pvt,Bvt1,St1} = pattern(VP, Vt, Old, Bvt, St0), - {vtmerge_pat(Pvt, Psvt),vtmerge_pat(Bvt0, Bvt1), St1}; - false -> - {Psvt,Bvt0,add_error(L, illegal_map_key, St0)}; - {false,variable,Var} -> - {Psvt,Bvt0,add_error(L, {illegal_map_key_variable,Var}, St0)} - end - end, {[],[],St}, Ps); + pattern_map(Ps, Vt, Old, Bvt, St); %%pattern({struct,_Line,_Tag,Ps}, Vt, Old, Bvt, St) -> %% pattern_list(Ps, Vt, Old, Bvt, St); pattern({record_index,Line,Name,Field}, _Vt, _Old, _Bvt, St) -> @@ -1571,6 +1611,21 @@ is_pattern_expr_1({op,_Line,Op,A1,A2}) -> erl_internal:arith_op(Op, 2) andalso all(fun is_pattern_expr/1, [A1,A2]); is_pattern_expr_1(_Other) -> false. +pattern_map(Ps, Vt, Old, Bvt, St) -> + foldl(fun + ({map_field_assoc,L,_,_}, {Psvt,Bvt0,St0}) -> + {Psvt,Bvt0,add_error(L, illegal_pattern, St0)}; + ({map_field_exact,L,K,V}, {Psvt,Bvt0,St0}) -> + case is_valid_map_key(K) of + true -> + {Kvt,St1} = expr(K, Vt, St0), + {Vvt,Bvt2,St2} = pattern(V, Vt, Old, Bvt, St1), + {vtmerge_pat(vtmerge_pat(Kvt, Vvt), Psvt), vtmerge_pat(Bvt0, Bvt2), St2}; + false -> + {Psvt,Bvt0,add_error(L, illegal_map_key, St0)} + end + end, {[],[],St}, Ps). + %% pattern_bin([Element], VarTable, Old, BinVarTable, State) -> %% {UpdVarTable,UpdBinVarTable,State}. %% Check a pattern group. BinVarTable are used binsize variables. @@ -1919,10 +1974,10 @@ is_guard_test(E) -> is_guard_test(Expression, Forms) -> RecordAttributes = [A || A = {attribute, _, record, _D} <- Forms], St0 = foldl(fun(Attr0, St1) -> - Attr = zip_file_and_line(Attr0, "none"), + Attr = set_file(Attr0, "none"), attribute_state(Attr, St1) end, start(), RecordAttributes), - is_guard_test2(zip_file_and_line(Expression, "nofile"), St0#lint.records). + is_guard_test2(set_file(Expression, "nofile"), St0#lint.records). %% is_guard_test2(Expression, RecordDefs :: dict:dict()) -> boolean(). is_guard_test2({call,Line,{atom,Lr,record},[E,A]}, RDs) -> @@ -2085,8 +2140,8 @@ expr({'receive',Line,Cs,To,ToEs}, Vt, St0) -> {Cvt,St3} = icrt_clauses(Cs, Vt, St2), %% Csvts = [vtnew(Tevt, Vt)|Cvt], %This is just NEW variables! Csvts = [Tevt|Cvt], - {Rvt,St4} = icrt_export(Csvts, Vt, {'receive',Line}, St3), - {vtmerge([Tvt,Tevt,Rvt]),St4}; + Rvt = icrt_export(Csvts, Vt, {'receive',Line}, St3), + {vtmerge([Tvt,Tevt,Rvt]),St3}; expr({'fun',Line,Body}, Vt, St) -> %%No one can think funs export! case Body of @@ -2197,21 +2252,20 @@ expr({'try',Line,Es,Scs,Ccs,As}, Vt, St0) -> %% passes cannot handle exports in combination with 'after'. {Evt0,St1} = exprs(Es, Vt, St0), TryLine = {'try',Line}, - Uvt = vtunsafe(vtnames(vtnew(Evt0, Vt)), TryLine, []), - Evt1 = vtupdate(Uvt, vtsubtract(Evt0, Uvt)), + Uvt = vtunsafe(TryLine, Evt0, Vt), + Evt1 = vtupdate(Uvt, Evt0), {Sccs,St2} = icrt_clauses(Scs++Ccs, TryLine, vtupdate(Evt1, Vt), St1), Rvt0 = Sccs, - Rvt1 = vtupdate(vtunsafe(vtnames(vtnew(Rvt0, Vt)), TryLine, []), Rvt0), + Rvt1 = vtupdate(vtunsafe(TryLine, Rvt0, Vt), Rvt0), Evt2 = vtmerge(Evt1, Rvt1), {Avt0,St} = exprs(As, vtupdate(Evt2, Vt), St2), - Avt1 = vtupdate(vtunsafe(vtnames(vtnew(Avt0, Vt)), TryLine, []), Avt0), + Avt1 = vtupdate(vtunsafe(TryLine, Avt0, Vt), Avt0), Avt = vtmerge(Evt2, Avt1), {Avt,St}; expr({'catch',Line,E}, Vt, St0) -> %% No new variables added, flag new variables as unsafe. - {Evt,St1} = expr(E, Vt, St0), - Uvt = vtunsafe(vtnames(vtnew(Evt, Vt)), {'catch',Line}, []), - {vtupdate(Uvt,vtupdate(Evt, Vt)),St1}; + {Evt,St} = expr(E, Vt, St0), + {vtupdate(vtunsafe({'catch',Line}, Evt, Vt), Evt),St}; expr({match,_Line,P,E}, Vt, St0) -> {Evt,St1} = expr(E, Vt, St0), {Pvt,Bvt,St2} = pattern(P, vtupdate(Evt, Vt), St1), @@ -2224,9 +2278,8 @@ expr({op,Line,Op,L,R}, Vt, St0) when Op =:= 'orelse'; Op =:= 'andalso' -> {Evt1,St1} = expr(L, Vt, St0), Vt1 = vtupdate(Evt1, Vt), {Evt2,St2} = expr(R, Vt1, St1), - Vt2 = vtmerge(Evt2, Vt1), - {Vt3,St3} = icrt_export([Vt1,Vt2], Vt1, {Op,Line}, St2), - {vtmerge(Evt1, Vt3),St3}; + Evt3 = vtupdate(vtunsafe({Op,Line}, Evt2, Vt1), Evt2), + {vtmerge(Evt1, Evt3),St2}; expr({op,_Line,_Op,L,R}, Vt, St) -> expr_list([L,R], Vt, St); %They see the same variables %% The following are not allowed to occur anywhere! @@ -2237,11 +2290,10 @@ expr({remote,Line,_M,_F}, _Vt, St) -> %% {UsedVarTable,State} expr_list(Es, Vt, St) -> - {Vt1,St1} = foldl(fun (E, {Esvt,St0}) -> - {Evt,St1} = expr(E, Vt, St0), - {vtmerge_pat(Evt, Esvt),St1} - end, {[],St}, Es), - {vtmerge(vtnew(Vt1, Vt), vtold(Vt1, Vt)),St1}. + foldl(fun (E, {Esvt,St0}) -> + {Evt,St1} = expr(E, Vt, St0), + {vtmerge_pat(Evt, Esvt),St1} + end, {[],St}, Es). record_expr(Line, Rec, Vt, St0) -> St1 = warn_invalid_record(Line, Rec, St0), @@ -2254,18 +2306,13 @@ check_assoc_fields([{map_field_assoc,_,_,_}|Fs], St) -> check_assoc_fields([], St) -> St. -map_fields([{Tag,Line,K,V}|Fs], Vt, St, F) when Tag =:= map_field_assoc; - Tag =:= map_field_exact -> - St1 = case is_valid_map_key(K, St) of - true -> St; - false -> add_error(Line, illegal_map_key, St); - {false,variable,Var} -> add_error(Line, {illegal_map_key_variable,Var}, St) - end, - {Pvt,St2} = F([K,V], Vt, St1), +map_fields([{Tag,_,K,V}|Fs], Vt, St, F) when Tag =:= map_field_assoc; + Tag =:= map_field_exact -> + {Pvt,St2} = F([K,V], Vt, St), {Vts,St3} = map_fields(Fs, Vt, St2, F), {vtupdate(Pvt, Vts),St3}; -map_fields([], Vt, St, _) -> - {Vt,St}. +map_fields([], _, St, _) -> + {[],St}. %% warn_invalid_record(Line, Record, State0) -> State %% Adds warning if the record is invalid. @@ -2319,21 +2366,14 @@ is_valid_call(Call) -> _ -> true end. -%% is_valid_map_key(K,St) -> true | false | {false, Var::atom()} -%% check for value expression without variables - -is_valid_map_key(K,St) -> - is_valid_map_key(K,expr,St). -is_valid_map_key(K,Ctx,St) -> - case expr(K,[],St) of - {[],_} -> - is_valid_map_key_value(K,Ctx); - {[Var|_],_} -> - {false,variable,element(1,Var)} - end. +%% is_valid_map_key(K,St) -> true | false +%% variables are allowed for patterns only at the top of the tree -is_valid_map_key_value(K,Ctx) -> +is_valid_map_key({var,_,_}) -> true; +is_valid_map_key(K) -> is_valid_map_key_value(K). +is_valid_map_key_value(K) -> case K of + {var,_,_} -> false; {char,_,_} -> true; {integer,_,_} -> true; {float,_,_} -> true; @@ -2341,36 +2381,36 @@ is_valid_map_key_value(K,Ctx) -> {nil,_} -> true; {atom,_,_} -> true; {cons,_,H,T} -> - is_valid_map_key_value(H,Ctx) andalso - is_valid_map_key_value(T,Ctx); + is_valid_map_key_value(H) andalso + is_valid_map_key_value(T); {tuple,_,Es} -> foldl(fun(E,B) -> - B andalso is_valid_map_key_value(E,Ctx) + B andalso is_valid_map_key_value(E) end,true,Es); {map,_,Arg,Ps} -> % only check for value expressions to be valid % invalid map expressions are later checked in % core and kernel - is_valid_map_key_value(Arg,Ctx) andalso foldl(fun + is_valid_map_key_value(Arg) andalso foldl(fun ({Tag,_,Ke,Ve},B) when Tag =:= map_field_assoc; - Tag =:= map_field_exact, Ctx =:= expr -> - B andalso is_valid_map_key_value(Ke,Ctx) - andalso is_valid_map_key_value(Ve,Ctx); + Tag =:= map_field_exact -> + B andalso is_valid_map_key_value(Ke) + andalso is_valid_map_key_value(Ve); (_,_) -> false end,true,Ps); {map,_,Ps} -> foldl(fun ({Tag,_,Ke,Ve},B) when Tag =:= map_field_assoc; - Tag =:= map_field_exact, Ctx =:= expr -> - B andalso is_valid_map_key_value(Ke,Ctx) - andalso is_valid_map_key_value(Ve,Ctx); + Tag =:= map_field_exact -> + B andalso is_valid_map_key_value(Ke) + andalso is_valid_map_key_value(Ve); (_,_) -> false end, true, Ps); {record,_,_,Fs} -> foldl(fun ({record_field,_,Ke,Ve},B) -> - B andalso is_valid_map_key_value(Ke,Ctx) - andalso is_valid_map_key_value(Ve,Ctx) + B andalso is_valid_map_key_value(Ke) + andalso is_valid_map_key_value(Ve) end,true,Fs); {bin,_,Es} -> % only check for value expressions to be valid @@ -2378,9 +2418,9 @@ is_valid_map_key_value(K,Ctx) -> % core and kernel foldl(fun ({bin_element,_,E,_,_},B) -> - B andalso is_valid_map_key_value(E,Ctx) + B andalso is_valid_map_key_value(E) end,true,Es); - _ -> false + Val -> is_pattern_expr(Val) end. %% record_def(Line, RecordName, [RecField], State) -> State. @@ -2599,7 +2639,7 @@ type_def(_Attr, _Line, {record, _RecName}, Fields, [], St0) -> %% The record field names and such are checked in the record format. %% We only need to check the types. Types = [T || {typed_record_field, _, T} <- Fields], - check_type({type, -1, product, Types}, St0); + check_type({type, nowarn(), product, Types}, St0); type_def(Attr, Line, TypeName, ProtoType, Args, St0) -> TypeDefs = St0#lint.types, Arity = length(Args), @@ -2608,37 +2648,28 @@ type_def(Attr, Line, TypeName, ProtoType, Args, St0) -> StoreType = fun(St) -> NewDefs = dict:store(TypePair, Info, TypeDefs), - CheckType = {type, -1, product, [ProtoType|Args]}, + CheckType = {type, nowarn(), product, [ProtoType|Args]}, check_type(CheckType, St#lint{types=NewDefs}) end, case is_default_type(TypePair) of true -> case is_obsolete_builtin_type(TypePair) of true -> StoreType(St0); - false -> add_error(Line, {builtin_type, TypePair}, St0) -%% case is_newly_introduced_builtin_type(TypePair) of -%% %% allow some types just for bootstrapping -%% true -> -%% Warn = {new_builtin_type, TypePair}, -%% St1 = add_warning(Line, Warn, St0), -%% StoreType(St1); -%% false -> -%% add_error(Line, {builtin_type, TypePair}, St0) -%% end + false -> + case is_newly_introduced_builtin_type(TypePair) of + %% allow some types just for bootstrapping + true -> + Warn = {new_builtin_type, TypePair}, + St1 = add_warning(Line, Warn, St0), + StoreType(St1); + false -> + add_error(Line, {builtin_type, TypePair}, St0) + end end; false -> - case - dict:is_key(TypePair, TypeDefs) orelse - is_var_arity_type(TypeName) - of + case dict:is_key(TypePair, TypeDefs) of true -> - case is_newly_introduced_var_arity_type(TypeName) of - true -> - Warn = {new_var_arity_type, TypeName}, - add_warning(Line, Warn, St0); - false -> - add_error(Line, {redefine_type, TypePair}, St0) - end; + add_error(Line, {redefine_type, TypePair}, St0); false -> St1 = case Attr =:= opaque andalso @@ -2673,9 +2704,11 @@ check_type({ann_type, _L, [_Var, Type]}, SeenVars, St) -> check_type({paren_type, _L, [Type]}, SeenVars, St) -> check_type(Type, SeenVars, St); check_type({remote_type, L, [{atom, _, Mod}, {atom, _, Name}, Args]}, - SeenVars, #lint{module=CurrentMod} = St) -> + SeenVars, St0) -> + St = deprecated_type(L, Mod, Name, Args, St0), + CurrentMod = St#lint.module, case Mod =:= CurrentMod of - true -> check_type({type, L, Name, Args}, SeenVars, St); + true -> check_type({user_type, L, Name, Args}, SeenVars, St); false -> lists:foldl(fun(T, {AccSeenVars, AccSt}) -> check_type(T, AccSeenVars, AccSt) @@ -2701,7 +2734,7 @@ check_type({type, L, 'fun', [Dom, Range]}, SeenVars, St) -> {type, _, any} -> St; _ -> add_error(L, {type_syntax, 'fun'}, St) end, - check_type({type, -1, product, [Dom, Range]}, SeenVars, St1); + check_type({type, nowarn(), product, [Dom, Range]}, SeenVars, St1); check_type({type, L, range, [From, To]}, SeenVars, St) -> St1 = case {erl_eval:partial_eval(From), erl_eval:partial_eval(To)} of @@ -2709,13 +2742,16 @@ check_type({type, L, range, [From, To]}, SeenVars, St) -> _ -> add_error(L, {type_syntax, range}, St) end, {SeenVars, St1}; -check_type({type, _L, map, any}, SeenVars, St) -> {SeenVars, St}; +check_type({type, L, map, any}, SeenVars, St) -> + %% To get usage right while map/0 is a newly_introduced_builtin_type. + St1 = used_type({map, 0}, L, St), + {SeenVars, St1}; check_type({type, _L, map, Pairs}, SeenVars, St) -> lists:foldl(fun(Pair, {AccSeenVars, AccSt}) -> check_type(Pair, AccSeenVars, AccSt) end, {SeenVars, St}, Pairs); -check_type({type, _L, map_field_assoc, Dom, Range}, SeenVars, St) -> - check_type({type, -1, product, [Dom, Range]}, SeenVars, St); +check_type({type, _L, map_field_assoc, [Dom, Range]}, SeenVars, St) -> + check_type({type, nowarn(), product, [Dom, Range]}, SeenVars, St); check_type({type, _L, tuple, any}, SeenVars, St) -> {SeenVars, St}; check_type({type, _L, any}, SeenVars, St) -> {SeenVars, St}; check_type({type, L, binary, [Base, Unit]}, SeenVars, St) -> @@ -2733,41 +2769,39 @@ check_type({type, L, record, [Name|Fields]}, SeenVars, St) -> check_record_types(L, Atom, Fields, SeenVars, St1); _ -> {SeenVars, add_error(L, {type_syntax, record}, St)} end; -check_type({type, _L, product, Args}, SeenVars, St) -> +check_type({type, _L, Tag, Args}, SeenVars, St) when Tag =:= product; + Tag =:= union; + Tag =:= tuple -> lists:foldl(fun(T, {AccSeenVars, AccSt}) -> check_type(T, AccSeenVars, AccSt) end, {SeenVars, St}, Args); check_type({type, La, TypeName, Args}, SeenVars, St) -> - #lint{usage=Usage, module = Module, types=Types} = St, + #lint{module = Module, types=Types} = St, Arity = length(Args), TypePair = {TypeName, Arity}, - St1 = case is_var_arity_type(TypeName) of - true -> St; - false -> - Obsolete = (is_warn_enabled(deprecated_type, St) - andalso obsolete_builtin_type(TypePair)), - IsObsolete = - case Obsolete of - {deprecated, Repl, _} when element(1, Repl) =/= Module -> - case dict:find(TypePair, Types) of - {ok, _} -> false; - error -> true - end; - _ -> false - end, - case IsObsolete of - true -> + Obsolete = (is_warn_enabled(deprecated_type, St) + andalso obsolete_builtin_type(TypePair)), + St1 = case Obsolete of + {deprecated, Repl, _} when element(1, Repl) =/= Module -> + case dict:find(TypePair, Types) of + {ok, _} -> + used_type(TypePair, La, St); + error -> {deprecated, Replacement, Rel} = Obsolete, Tag = deprecated_builtin_type, W = {Tag, TypePair, Replacement, Rel}, - add_warning(La, W, St); - false -> - OldUsed = Usage#usage.used_types, - UsedTypes = dict:store(TypePair, La, OldUsed), - St#lint{usage=Usage#usage{used_types=UsedTypes}} - end - end, - check_type({type, -1, product, Args}, SeenVars, St1); + add_warning(La, W, St) + end; + _ -> St + end, + check_type({type, nowarn(), product, Args}, SeenVars, St1); +check_type({user_type, L, TypeName, Args}, SeenVars, St) -> + Arity = length(Args), + TypePair = {TypeName, Arity}, + St1 = used_type(TypePair, L, St), + lists:foldl(fun(T, {AccSeenVars, AccSt}) -> + check_type(T, AccSeenVars, AccSt) + end, {SeenVars, St1}, Args); check_type(I, SeenVars, St) -> case erl_eval:partial_eval(I) of {integer,_ILn,_Integer} -> {SeenVars, St}; @@ -2809,95 +2843,24 @@ check_record_types([{type, _, field_type, [{atom, AL, FName}, Type]}|Left], check_record_types([], _Name, _DefFields, SeenVars, St, _SeenFields) -> {SeenVars, St}. -is_var_arity_type(tuple) -> true; -is_var_arity_type(map) -> true; -is_var_arity_type(product) -> true; -is_var_arity_type(union) -> true; -is_var_arity_type(record) -> true; -is_var_arity_type(_) -> false. - -is_default_type({any, 0}) -> true; -is_default_type({arity, 0}) -> true; -is_default_type({array, 0}) -> true; -is_default_type({atom, 0}) -> true; -is_default_type({atom, 1}) -> true; -is_default_type({binary, 0}) -> true; -is_default_type({binary, 2}) -> true; -is_default_type({bitstring, 0}) -> true; -is_default_type({bool, 0}) -> true; -is_default_type({boolean, 0}) -> true; -is_default_type({byte, 0}) -> true; -is_default_type({char, 0}) -> true; -is_default_type({dict, 0}) -> true; -is_default_type({digraph, 0}) -> true; -is_default_type({float, 0}) -> true; -is_default_type({'fun', 0}) -> true; -is_default_type({'fun', 2}) -> true; -is_default_type({function, 0}) -> true; -is_default_type({gb_set, 0}) -> true; -is_default_type({gb_tree, 0}) -> true; -is_default_type({identifier, 0}) -> true; -is_default_type({integer, 0}) -> true; -is_default_type({integer, 1}) -> true; -is_default_type({iodata, 0}) -> true; -is_default_type({iolist, 0}) -> true; -is_default_type({list, 0}) -> true; -is_default_type({list, 1}) -> true; -is_default_type({maybe_improper_list, 0}) -> true; -is_default_type({maybe_improper_list, 2}) -> true; -is_default_type({mfa, 0}) -> true; -is_default_type({module, 0}) -> true; -is_default_type({neg_integer, 0}) -> true; -is_default_type({nil, 0}) -> true; -is_default_type({no_return, 0}) -> true; -is_default_type({node, 0}) -> true; -is_default_type({non_neg_integer, 0}) -> true; -is_default_type({none, 0}) -> true; -is_default_type({nonempty_list, 0}) -> true; -is_default_type({nonempty_list, 1}) -> true; -is_default_type({nonempty_improper_list, 2}) -> true; -is_default_type({nonempty_maybe_improper_list, 0}) -> true; -is_default_type({nonempty_maybe_improper_list, 2}) -> true; -is_default_type({nonempty_string, 0}) -> true; -is_default_type({number, 0}) -> true; -is_default_type({pid, 0}) -> true; -is_default_type({port, 0}) -> true; -is_default_type({pos_integer, 0}) -> true; -is_default_type({queue, 0}) -> true; -is_default_type({range, 2}) -> true; -is_default_type({reference, 0}) -> true; -is_default_type({set, 0}) -> true; -is_default_type({string, 0}) -> true; -is_default_type({term, 0}) -> true; -is_default_type({timeout, 0}) -> true; -is_default_type({var, 1}) -> true; -is_default_type(_) -> false. - -is_newly_introduced_var_arity_type(map) -> true; -is_newly_introduced_var_arity_type(_) -> false. - -%% is_newly_introduced_builtin_type({Name, _}) when is_atom(Name) -> false. +used_type(TypePair, L, St) -> + Usage = St#lint.usage, + OldUsed = Usage#usage.used_types, + UsedTypes = dict:store(TypePair, L, OldUsed), + St#lint{usage=Usage#usage{used_types=UsedTypes}}. + +is_default_type({Name, NumberOfTypeVariables}) -> + erl_internal:is_type(Name, NumberOfTypeVariables). + +is_newly_introduced_builtin_type({map, 0}) -> true; +is_newly_introduced_builtin_type({Name, _}) when is_atom(Name) -> false. is_obsolete_builtin_type(TypePair) -> obsolete_builtin_type(TypePair) =/= no. -%% Obsolete in OTP 17.0. -obsolete_builtin_type({array, 0}) -> - {deprecated, {array, array, 1}, "OTP 18.0"}; -obsolete_builtin_type({dict, 0}) -> - {deprecated, {dict, dict, 2}, "OTP 18.0"}; -obsolete_builtin_type({digraph, 0}) -> - {deprecated, {digraph, graph}, "OTP 18.0"}; -obsolete_builtin_type({gb_set, 0}) -> - {deprecated, {gb_sets, set, 1}, "OTP 18.0"}; -obsolete_builtin_type({gb_tree, 0}) -> - {deprecated, {gb_trees, tree, 2}, "OTP 18.0"}; -obsolete_builtin_type({queue, 0}) -> - {deprecated, {queue, queue, 1}, "OTP 18.0"}; -obsolete_builtin_type({set, 0}) -> - {deprecated, {sets, set, 1}, "OTP 18.0"}; -obsolete_builtin_type({tid, 0}) -> - {deprecated, {ets, tid}, "OTP 18.0"}; +%% To keep Dialyzer silent... +obsolete_builtin_type({1, 255}) -> + {deprecated, {2, 255}, ""}; obsolete_builtin_type({Name, A}) when is_atom(Name), is_integer(A) -> no. %% spec_decl(Line, Fun, Types, State) -> State. @@ -2909,7 +2872,7 @@ spec_decl(Line, MFA0, TypeSpecs, St0 = #lint{specs = Specs, module = Mod}) -> end, St1 = St0#lint{specs = dict:store(MFA, Line, Specs)}, case dict:is_key(MFA, Specs) of - true -> add_error(Line, {redefine_spec, MFA}, St1); + true -> add_error(Line, {redefine_spec, MFA0}, St1); false -> check_specs(TypeSpecs, Arity, St1) end. @@ -2917,16 +2880,50 @@ spec_decl(Line, MFA0, TypeSpecs, St0 = #lint{specs = Specs, module = Mod}) -> callback_decl(Line, MFA0, TypeSpecs, St0 = #lint{callbacks = Callbacks, module = Mod}) -> - MFA = case MFA0 of - {F, Arity} -> {Mod, F, Arity}; - {_M, _F, Arity} -> MFA0 - end, - St1 = St0#lint{callbacks = dict:store(MFA, Line, Callbacks)}, - case dict:is_key(MFA, Callbacks) of - true -> add_error(Line, {redefine_callback, MFA}, St1); - false -> check_specs(TypeSpecs, Arity, St1) + case MFA0 of + {_M, _F, _A} -> add_error(Line, {bad_callback, MFA0}, St0); + {F, Arity} -> + MFA = {Mod, F, Arity}, + St1 = St0#lint{callbacks = dict:store(MFA, Line, Callbacks)}, + case dict:is_key(MFA, Callbacks) of + true -> add_error(Line, {redefine_callback, MFA0}, St1); + false -> check_specs(TypeSpecs, Arity, St1) + end + end. + +%% optional_callbacks(Line, FAs, State) -> State. + +optional_callbacks(Line, Term, St0) -> + try true = is_fa_list(Term), Term of + FAs -> + optional_cbs(Line, FAs, St0) + catch + _:_ -> + St0 % ignore others end. +optional_cbs(_Line, [], St) -> + St; +optional_cbs(Line, [{F,A}|FAs], St0) -> + #lint{optional_callbacks = OptionalCbs, module = Mod} = St0, + MFA = {Mod, F, A}, + St1 = St0#lint{optional_callbacks = dict:store(MFA, Line, OptionalCbs)}, + St2 = case dict:is_key(MFA, OptionalCbs) of + true -> + add_error(Line, {redefine_optional_callback, {F,A}}, St1); + false -> + St1 + end, + optional_cbs(Line, FAs, St2). + +is_fa_list([E|L]) -> is_fa(E) andalso is_fa_list(L); +is_fa_list([]) -> true; +is_fa_list(_) -> false. + +is_fa({FuncName, Arity}) + when is_atom(FuncName), is_integer(Arity), Arity >= 0 -> true; +is_fa(_) -> false. + check_specs([FunType|Left], Arity, St0) -> {FunType1, CTypes} = case FunType of @@ -2944,16 +2941,22 @@ check_specs([FunType|Left], Arity, St0) -> true -> St0; false -> add_error(L, spec_wrong_arity, St0) end, - St2 = check_type({type, -1, product, [FunType1|CTypes]}, St1), + St2 = check_type({type, nowarn(), product, [FunType1|CTypes]}, St1), check_specs(Left, Arity, St2); check_specs([], _Arity, St) -> St. +nowarn() -> + A0 = erl_anno:new(0), + A1 = erl_anno:set_generated(true, A0), + erl_anno:set_file("", A1). + check_specs_without_function(#lint{module=Mod,defined=Funcs,specs=Specs}=St) -> - Fun = fun({M, F, A} = MFA, Line, AccSt) when M =:= Mod -> - case gb_sets:is_element({F, A}, Funcs) of + Fun = fun({M, F, A}, Line, AccSt) when M =:= Mod -> + FA = {F, A}, + case gb_sets:is_element(FA, Funcs) of true -> AccSt; - false -> add_error(Line, {spec_fun_undefined, MFA}, AccSt) + false -> add_error(Line, {spec_fun_undefined, FA}, AccSt) end; ({_M, _F, _A}, _Line, AccSt) -> AccSt end, @@ -2998,7 +3001,7 @@ check_unused_types(Forms, #lint{usage=Usage, types=Ts, exp_types=ExpTs}=St) -> UsedTypes = gb_sets:from_list(L), FoldFun = fun(Type, #typeinfo{line = FileLine}, AccSt) -> - case loc(FileLine) of + case loc(FileLine, AccSt) of {FirstFile, _} -> case gb_sets:is_member(Type, UsedTypes) of true -> AccSt; @@ -3032,11 +3035,12 @@ check_local_opaque_types(St) -> dict:fold(FoldFun, St, Ts). %% icrt_clauses(Clauses, In, ImportVarTable, State) -> -%% {NewVts,State}. +%% {UpdVt,State}. icrt_clauses(Cs, In, Vt, St0) -> {Csvt,St1} = icrt_clauses(Cs, Vt, St0), - icrt_export(Csvt, Vt, In, St1). + UpdVt = icrt_export(Csvt, Vt, In, St1), + {UpdVt,St1}. %% icrt_clauses(Clauses, ImportVarTable, State) -> %% {NewVts,State}. @@ -3046,26 +3050,73 @@ icrt_clauses(Cs, Vt, St) -> icrt_clause({clause,_Line,H,G,B}, Vt0, St0) -> {Hvt,Binvt,St1} = head(H, Vt0, St0), - Vt1 = vtupdate(Hvt, vtupdate(Binvt, Vt0)), - {Gvt,St2} = guard(G, Vt1, St1), + Vt1 = vtupdate(Hvt, Binvt), + {Gvt,St2} = guard(G, vtupdate(Vt1, Vt0), St1), Vt2 = vtupdate(Gvt, Vt1), - {Bvt,St3} = exprs(B, Vt2, St2), + {Bvt,St3} = exprs(B, vtupdate(Vt2, Vt0), St2), {vtupdate(Bvt, Vt2),St3}. -icrt_export(Csvt, Vt, In, St) -> - Vt1 = vtmerge(Csvt), - All = ordsets:subtract(vintersection(Csvt), vtnames(Vt)), - Some = ordsets:subtract(vtnames(Vt1), vtnames(Vt)), - Xvt = vtexport(All, In, []), - Evt = vtunsafe(ordsets:subtract(Some, All), In, Xvt), - Unused = vtmerge([unused_vars(Vt0, Vt, St) || Vt0 <- Csvt]), - %% Exported and unsafe variables may be unused: - Uvt = vtmerge(Evt, Unused), - %% Make exported and unsafe unused variables unused in subsequent code: - Vt2 = vtmerge(Uvt, vtsubtract(Vt1, Uvt)), - %% Forget about old variables which were not used: - Vt3 = vtmerge(vtnew(Vt2, Vt), vt_no_unused(vtold(Vt2, Vt))), - {Vt3,St}. +icrt_export(Vts, Vt, {Tag,Attrs}, St) -> + {_File,Loc} = loc(Attrs, St), + icrt_export(lists:merge(Vts), Vt, {Tag,Loc}, length(Vts), []). + +icrt_export([{V,{{export,_},_,_}}|Vs0], [{V,{{export,_}=S0,_,Ls}}|Vt], + In, I, Acc) -> + %% V was an exported variable and has been used in an expression in at least + %% one clause. Its state needs to be merged from all clauses to silence any + %% exported var warning already emitted. + {VVs,Vs} = lists:partition(fun ({K,_}) -> K =:= V end, Vs0), + S = foldl(fun ({_,{S1,_,_}}, AccS) -> merge_state(AccS, S1) end, S0, VVs), + icrt_export(Vs, Vt, In, I, [{V,{S,used,Ls}}|Acc]); +icrt_export([{V,_}|Vs0], [{V,{_,_,Ls}}|Vt], In, I, Acc) -> + %% V was either unsafe or bound and has now been reused. It may also have + %% been an export but as it was not matched by the previous clause, it means + %% it has been changed to 'bound' in at least one clause because it was used + %% in a pattern. + Vs = lists:dropwhile(fun ({K,_}) -> K =:= V end, Vs0), + icrt_export(Vs, Vt, In, I, [{V,{bound,used,Ls}}|Acc]); +icrt_export([{V1,_}|_]=Vs, [{V2,_}|Vt], In, I, Acc) when V1 > V2 -> + %% V2 was already in scope and has not been reused in any clause. + icrt_export(Vs, Vt, In, I, Acc); +icrt_export([{V,_}|_]=Vs0, Vt, In, I, Acc) -> + %% V is a new variable. + {VVs,Vs} = lists:partition(fun ({K,_}) -> K =:= V end, Vs0), + F = fun ({_,{S,U,Ls}}, {AccI,AccS0,AccLs0}) -> + AccS = case {S,AccS0} of + {{unsafe,_},{unsafe,_}} -> + %% V was found unsafe in a previous clause, mark + %% it as unsafe for the whole parent expression. + {unsafe,In}; + {{unsafe,_},_} -> + %% V was unsafe in a clause, keep that state and + %% generalize it to the whole expression if it + %% is found unsafe in another one. + S; + _ -> + %% V is either bound or exported, keep original + %% state. + AccS0 + end, + AccLs = case U of + used -> AccLs0; + unused -> merge_lines(AccLs0, Ls) + end, + {AccI + 1,AccS,AccLs} + end, + %% Initial state is exported from the current expression. + {Count,S1,Ls} = foldl(F, {0,{export,In},[]}, VVs), + S = case Count of + I -> + %% V was found in all clauses, keep computed state. + S1; + _ -> + %% V was not bound in some clauses, mark as unsafe. + {unsafe,In} + end, + U = case Ls of [] -> used; _ -> unused end, + icrt_export(Vs, Vt, In, I, [{V,{S,U,Ls}}|Acc]); +icrt_export([], _, _, _, Acc) -> + reverse(Acc). handle_comprehension(E, Qs, Vt0, St0) -> {Vt1, Uvt, St1} = lc_quals(Qs, Vt0, St0), @@ -3163,7 +3214,8 @@ fun_clauses(Cs, Vt, St) -> {Cvt,St1} = fun_clause(C, Vt, St0), {vtmerge(Cvt, Bvt0),St1} end, {[],St#lint{recdef_top = false}}, Cs), - {vt_no_unused(vtold(Bvt, Vt)),St2#lint{recdef_top = OldRecDef}}. + Uvt = vt_no_unsafe(vt_no_unused(vtold(Bvt, Vt))), + {Uvt,St2#lint{recdef_top = OldRecDef}}. fun_clause({clause,_Line,H,G,B}, Vt0, St0) -> {Hvt,Binvt,St1} = head(H, Vt0, [], St0), % No imported pattern variables @@ -3277,19 +3329,24 @@ pat_binsize_var(V, Line, Vt, Bvt, St) -> %% exported vars are probably safe, warn only if warn_export_vars is %% set. -expr_var(V, Line, Vt, St0) -> +expr_var(V, Line, Vt, St) -> case orddict:find(V, Vt) of {ok,{bound,_Usage,Ls}} -> - {[{V,{bound,used,Ls}}],St0}; + {[{V,{bound,used,Ls}}],St}; {ok,{{unsafe,In},_Usage,Ls}} -> {[{V,{bound,used,Ls}}], - add_error(Line, {unsafe_var,V,In}, St0)}; + add_error(Line, {unsafe_var,V,In}, St)}; {ok,{{export,From},_Usage,Ls}} -> - {[{V,{bound,used,Ls}}], - exported_var(Line, V, From, St0)}; + case is_warn_enabled(export_vars, St) of + true -> + {[{V,{bound,used,Ls}}], + add_warning(Line, {exported_var,V,From}, St)}; + false -> + {[{V,{{export,From},used,Ls}}],St} + end; error -> {[{V,{bound,used,[Line]}}], - add_error(Line, {unbound_var,V}, St0)} + add_error(Line, {unbound_var,V}, St)} end. exported_var(Line, V, From, St) -> @@ -3353,17 +3410,12 @@ vtupdate(Uvt, Vt0) -> {S, merge_used(U1, U2), merge_lines(L1, L2)} end, Uvt, Vt0). -%% vtexport([Variable], From, VarTable) -> VarTable. -%% vtunsafe([Variable], From, VarTable) -> VarTable. -%% Add the variables to VarTable either as exported from From or as unsafe. - -vtexport(Vs, {InTag,FileLine}, Vt0) -> - {_File,Line} = loc(FileLine), - vtupdate([{V,{{export,{InTag,Line}},unused,[]}} || V <- Vs], Vt0). +%% vtunsafe(From, UpdVarTable, VarTable) -> UnsafeVarTable. +%% Return all new variables in UpdVarTable as unsafe. -vtunsafe(Vs, {InTag,FileLine}, Vt0) -> - {_File,Line} = loc(FileLine), - vtupdate([{V,{{unsafe,{InTag,Line}},unused,[]}} || V <- Vs], Vt0). +vtunsafe({Tag,FileLine}, Uvt, Vt) -> + Line = erl_anno:location(FileLine), + [{V,{{unsafe,{Tag,Line}},U,Ls}} || {V,{_,U,Ls}} <- vtnew(Uvt, Vt)]. %% vtmerge(VarTable, VarTable) -> VarTable. %% Merge two variables tables generating a new vartable. Give priority to @@ -3416,8 +3468,6 @@ vtsubtract(New, Old) -> vtold(New, Old) -> orddict:filter(fun (V, _How) -> orddict:is_key(V, Old) end, New). -vtnames(Vt) -> [ V || {V,_How} <- Vt ]. - vt_no_unsafe(Vt) -> [V || {_,{S,_U,_L}}=V <- Vt, case S of {unsafe,_} -> false; @@ -3426,84 +3476,18 @@ vt_no_unsafe(Vt) -> [V || {_,{S,_U,_L}}=V <- Vt, vt_no_unused(Vt) -> [V || {_,{_,U,_L}}=V <- Vt, U =/= unused]. -%% vunion(VarTable1, VarTable2) -> [VarName]. -%% vunion([VarTable]) -> [VarName]. -%% vintersection(VarTable1, VarTable2) -> [VarName]. -%% vintersection([VarTable]) -> [VarName]. -%% Union/intersection of names of vars in VarTable. - --ifdef(NOTUSED). -vunion(Vs1, Vs2) -> ordsets:union(vtnames(Vs1), vtnames(Vs2)). - -vunion(Vss) -> foldl(fun (Vs, Uvs) -> - ordsets:union(vtnames(Vs), Uvs) - end, [], Vss). - -vintersection(Vs1, Vs2) -> ordsets:intersection(vtnames(Vs1), vtnames(Vs2)). --endif. - -vintersection([Vs]) -> - vtnames(Vs); %Boundary conditions!!! -vintersection([Vs|Vss]) -> - ordsets:intersection(vtnames(Vs), vintersection(Vss)); -vintersection([]) -> - []. - %% copy_expr(Expr, Line) -> Expr. %% Make a copy of Expr converting all line numbers to Line. -copy_expr(Expr, Line) -> - modify_line(Expr, fun(_L) -> Line end). +copy_expr(Expr, Anno) -> + erl_parse:map_anno(fun(_A) -> Anno end, Expr). %% modify_line(Form, Fun) -> Form %% modify_line(Expression, Fun) -> Expression %% Applies Fun to each line number occurrence. modify_line(T, F0) -> - modify_line1(T, F0). - -%% Forms. -modify_line1({function,F,A}, _Mf) -> {function,F,A}; -modify_line1({function,M,F,A}, Mf) -> - {function,modify_line1(M, Mf),modify_line1(F, Mf),modify_line1(A, Mf)}; -modify_line1({attribute,L,record,{Name,Fields}}, Mf) -> - {attribute,Mf(L),record,{Name,modify_line1(Fields, Mf)}}; -modify_line1({attribute,L,spec,{Fun,Types}}, Mf) -> - {attribute,Mf(L),spec,{Fun,modify_line1(Types, Mf)}}; -modify_line1({attribute,L,callback,{Fun,Types}}, Mf) -> - {attribute,Mf(L),callback,{Fun,modify_line1(Types, Mf)}}; -modify_line1({attribute,L,type,{TypeName,TypeDef,Args}}, Mf) -> - {attribute,Mf(L),type,{TypeName,modify_line1(TypeDef, Mf), - modify_line1(Args, Mf)}}; -modify_line1({attribute,L,opaque,{TypeName,TypeDef,Args}}, Mf) -> - {attribute,Mf(L),opaque,{TypeName,modify_line1(TypeDef, Mf), - modify_line1(Args, Mf)}}; -modify_line1({attribute,L,Attr,Val}, Mf) -> {attribute,Mf(L),Attr,Val}; -modify_line1({warning,W}, _Mf) -> {warning,W}; -modify_line1({error,W}, _Mf) -> {error,W}; -%% Expressions. -modify_line1({clauses,Cs}, Mf) -> {clauses,modify_line1(Cs, Mf)}; -modify_line1({typed_record_field,Field,Type}, Mf) -> - {typed_record_field,modify_line1(Field, Mf),modify_line1(Type, Mf)}; -modify_line1({Tag,L}, Mf) -> {Tag,Mf(L)}; -modify_line1({Tag,L,E1}, Mf) -> - {Tag,Mf(L),modify_line1(E1, Mf)}; -modify_line1({Tag,L,E1,E2}, Mf) -> - {Tag,Mf(L),modify_line1(E1, Mf),modify_line1(E2, Mf)}; -modify_line1({bin_element,L,E1,E2,TSL}, Mf) -> - {bin_element,Mf(L),modify_line1(E1, Mf),modify_line1(E2, Mf), TSL}; -modify_line1({Tag,L,E1,E2,E3}, Mf) -> - {Tag,Mf(L),modify_line1(E1, Mf),modify_line1(E2, Mf),modify_line1(E3, Mf)}; -modify_line1({Tag,L,E1,E2,E3,E4}, Mf) -> - {Tag,Mf(L), - modify_line1(E1, Mf), - modify_line1(E2, Mf), - modify_line1(E3, Mf), - modify_line1(E4, Mf)}; -modify_line1([H|T], Mf) -> - [modify_line1(H, Mf)|modify_line1(T, Mf)]; -modify_line1([], _Mf) -> []; -modify_line1(E, _Mf) when not is_tuple(E), not is_list(E) -> E. + erl_parse:map_anno(F0, T). %% Check a record_info call. We have already checked that it is not %% shadowed by an import. @@ -3573,6 +3557,20 @@ deprecated_function(Line, M, F, As, St) -> St end. +deprecated_type(L, M, N, As, St) -> + NAs = length(As), + case otp_internal:obsolete_type(M, N, NAs) of + {deprecated, String} when is_list(String) -> + case is_warn_enabled(deprecated_type, St) of + true -> + add_warning(L, {deprecated_type, {M,N,NAs}, String}, St); + false -> + St + end; + no -> + St + end. + obsolete_guard({call,Line,{atom,Lr,F},As}, St0) -> Arity = length(As), case erl_internal:old_type_test(F, Arity) of @@ -3800,8 +3798,7 @@ is_autoimport_suppressed(NoAutoSet,{Func,Arity}) -> gb_sets:is_element({Func,Arity},NoAutoSet). %% Predicate to find out if a function specific bif-clash suppression (old deprecated) is present bif_clash_specifically_disabled(St,{F,A}) -> - Nowarn = nowarn_function(nowarn_bif_clash, St#lint.compile), - lists:member({F,A},Nowarn). + lists:member({F,A},St#lint.nowarn_bif_clash). %% Predicate to find out if an autoimported guard_bif is not overriden in some way %% Guard Bif without module name is disallowed if diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl index 1d4a2a1fef..e328e065e3 100644 --- a/lib/stdlib/src/erl_parse.yrl +++ b/lib/stdlib/src/erl_parse.yrl @@ -2,7 +2,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -42,7 +42,6 @@ function_call argument_list exprs guard atomic strings prefix_op mult_op add_op list_op comp_op -rule rule_clauses rule_clause rule_body binary bin_elements bin_element bit_expr opt_bit_size_expr bit_size_expr opt_bit_type_list bit_type_list bit_type top_type top_type_100 top_types type typed_expr typed_attr_val @@ -54,7 +53,7 @@ bin_base_type bin_unit_type type_200 type_300 type_400 type_500. Terminals char integer float atom string var -'(' ')' ',' '->' ':-' '{' '}' '[' ']' '|' '||' '<-' ';' ':' '#' '.' +'(' ')' ',' '->' '{' '}' '[' ']' '|' '||' '<-' ';' ':' '#' '.' 'after' 'begin' 'case' 'try' 'catch' 'end' 'fun' 'if' 'of' 'receive' 'when' 'andalso' 'orelse' 'bnot' 'not' @@ -73,7 +72,6 @@ Rootsymbol form. form -> attribute dot : '$1'. form -> function dot : '$1'. -form -> rule dot : '$1'. attribute -> '-' atom attr_val : build_attribute('$2', '$3'). attribute -> '-' atom typed_attr_val : build_typed_attribute('$2','$3'). @@ -94,7 +92,7 @@ spec_fun -> atom ':' atom '/' integer '::' : {'$1', '$3', '$5'}. typed_attr_val -> expr ',' typed_record_fields : {typed_record, '$1', '$3'}. typed_attr_val -> expr '::' top_type : {type_def, '$1', '$3'}. -typed_record_fields -> '{' typed_exprs '}' : {tuple, ?line('$1'), '$2'}. +typed_record_fields -> '{' typed_exprs '}' : {tuple, ?anno('$1'), '$2'}. typed_exprs -> typed_expr : ['$1']. typed_exprs -> typed_expr ',' typed_exprs : ['$1'|'$3']. @@ -107,26 +105,26 @@ type_sigs -> type_sig : ['$1']. type_sigs -> type_sig ';' type_sigs : ['$1'|'$3']. type_sig -> fun_type : '$1'. -type_sig -> fun_type 'when' type_guards : {type, ?line('$1'), bounded_fun, +type_sig -> fun_type 'when' type_guards : {type, ?anno('$1'), bounded_fun, ['$1','$3']}. type_guards -> type_guard : ['$1']. type_guards -> type_guard ',' type_guards : ['$1'|'$3']. -type_guard -> atom '(' top_types ')' : {type, ?line('$1'), constraint, +type_guard -> atom '(' top_types ')' : {type, ?anno('$1'), constraint, ['$1', '$3']}. type_guard -> var '::' top_type : build_def('$1', '$3'). top_types -> top_type : ['$1']. top_types -> top_type ',' top_types : ['$1'|'$3']. -top_type -> var '::' top_type_100 : {ann_type, ?line('$1'), ['$1','$3']}. +top_type -> var '::' top_type_100 : {ann_type, ?anno('$1'), ['$1','$3']}. top_type -> top_type_100 : '$1'. top_type_100 -> type_200 : '$1'. top_type_100 -> type_200 '|' top_type_100 : lift_unions('$1','$3'). -type_200 -> type_300 '..' type_300 : {type, ?line('$1'), range, +type_200 -> type_300 '..' type_300 : {type, ?anno('$1'), range, [skip_paren('$1'), skip_paren('$3')]}. type_200 -> type_300 : '$1'. @@ -142,62 +140,61 @@ type_400 -> type_500 : '$1'. type_500 -> prefix_op type : ?mkop1('$1', skip_paren('$2')). type_500 -> type : '$1'. -type -> '(' top_type ')' : {paren_type, ?line('$2'), ['$2']}. +type -> '(' top_type ')' : {paren_type, ?anno('$2'), ['$2']}. type -> var : '$1'. type -> atom : '$1'. type -> atom '(' ')' : build_gen_type('$1'). -type -> atom '(' top_types ')' : {type, ?line('$1'), - normalise('$1'), '$3'}. -type -> atom ':' atom '(' ')' : {remote_type, ?line('$1'), +type -> atom '(' top_types ')' : build_type('$1', '$3'). +type -> atom ':' atom '(' ')' : {remote_type, ?anno('$1'), ['$1', '$3', []]}. -type -> atom ':' atom '(' top_types ')' : {remote_type, ?line('$1'), +type -> atom ':' atom '(' top_types ')' : {remote_type, ?anno('$1'), ['$1', '$3', '$5']}. -type -> '[' ']' : {type, ?line('$1'), nil, []}. -type -> '[' top_type ']' : {type, ?line('$1'), list, ['$2']}. -type -> '[' top_type ',' '...' ']' : {type, ?line('$1'), +type -> '[' ']' : {type, ?anno('$1'), nil, []}. +type -> '[' top_type ']' : {type, ?anno('$1'), list, ['$2']}. +type -> '[' top_type ',' '...' ']' : {type, ?anno('$1'), nonempty_list, ['$2']}. -type -> '#' '{' '}' : {type, ?line('$1'), map, []}. -type -> '#' '{' map_pair_types '}' : {type, ?line('$1'), map, '$3'}. -type -> '{' '}' : {type, ?line('$1'), tuple, []}. -type -> '{' top_types '}' : {type, ?line('$1'), tuple, '$2'}. -type -> '#' atom '{' '}' : {type, ?line('$1'), record, ['$2']}. -type -> '#' atom '{' field_types '}' : {type, ?line('$1'), +type -> '#' '{' '}' : {type, ?anno('$1'), map, []}. +type -> '#' '{' map_pair_types '}' : {type, ?anno('$1'), map, '$3'}. +type -> '{' '}' : {type, ?anno('$1'), tuple, []}. +type -> '{' top_types '}' : {type, ?anno('$1'), tuple, '$2'}. +type -> '#' atom '{' '}' : {type, ?anno('$1'), record, ['$2']}. +type -> '#' atom '{' field_types '}' : {type, ?anno('$1'), record, ['$2'|'$4']}. type -> binary_type : '$1'. type -> integer : '$1'. -type -> 'fun' '(' ')' : {type, ?line('$1'), 'fun', []}. +type -> 'fun' '(' ')' : {type, ?anno('$1'), 'fun', []}. type -> 'fun' '(' fun_type_100 ')' : '$3'. fun_type_100 -> '(' '...' ')' '->' top_type - : {type, ?line('$1'), 'fun', - [{type, ?line('$1'), any}, '$5']}. + : {type, ?anno('$1'), 'fun', + [{type, ?anno('$1'), any}, '$5']}. fun_type_100 -> fun_type : '$1'. -fun_type -> '(' ')' '->' top_type : {type, ?line('$1'), 'fun', - [{type, ?line('$1'), product, []}, '$4']}. +fun_type -> '(' ')' '->' top_type : {type, ?anno('$1'), 'fun', + [{type, ?anno('$1'), product, []}, '$4']}. fun_type -> '(' top_types ')' '->' top_type - : {type, ?line('$1'), 'fun', - [{type, ?line('$1'), product, '$2'},'$5']}. + : {type, ?anno('$1'), 'fun', + [{type, ?anno('$1'), product, '$2'},'$5']}. map_pair_types -> map_pair_type : ['$1']. map_pair_types -> map_pair_type ',' map_pair_types : ['$1'|'$3']. -map_pair_type -> top_type '=>' top_type : {type, ?line('$2'), map_field_assoc,'$1','$3'}. +map_pair_type -> top_type '=>' top_type : {type, ?anno('$2'), map_field_assoc,['$1','$3']}. field_types -> field_type : ['$1']. field_types -> field_type ',' field_types : ['$1'|'$3']. -field_type -> atom '::' top_type : {type, ?line('$1'), field_type, +field_type -> atom '::' top_type : {type, ?anno('$1'), field_type, ['$1', '$3']}. -binary_type -> '<<' '>>' : {type, ?line('$1'),binary, - [abstract(0, ?line('$1')), - abstract(0, ?line('$1'))]}. -binary_type -> '<<' bin_base_type '>>' : {type, ?line('$1'),binary, - ['$2', abstract(0, ?line('$1'))]}. -binary_type -> '<<' bin_unit_type '>>' : {type, ?line('$1'),binary, - [abstract(0, ?line('$1')), '$2']}. +binary_type -> '<<' '>>' : {type, ?anno('$1'),binary, + [abstract2(0, ?anno('$1')), + abstract2(0, ?anno('$1'))]}. +binary_type -> '<<' bin_base_type '>>' : {type, ?anno('$1'),binary, + ['$2', abstract2(0, ?anno('$1'))]}. +binary_type -> '<<' bin_unit_type '>>' : {type, ?anno('$1'),binary, + [abstract2(0, ?anno('$1')), '$2']}. binary_type -> '<<' bin_base_type ',' bin_unit_type '>>' - : {type, ?line('$1'), binary, ['$2', '$4']}. + : {type, ?anno('$1'), binary, ['$2', '$4']}. bin_base_type -> var ':' type : build_bin_type(['$1'], '$3'). @@ -213,7 +210,7 @@ function_clauses -> function_clause : ['$1']. function_clauses -> function_clause ';' function_clauses : ['$1'|'$3']. function_clause -> atom clause_args clause_guard clause_body : - {clause,?line('$1'),element(3, '$1'),'$2','$3','$4'}. + {clause,?anno('$1'),element(3, '$1'),'$2','$3','$4'}. clause_args -> argument_list : element(1, '$1'). @@ -224,10 +221,10 @@ clause_guard -> '$empty' : []. clause_body -> '->' exprs: '$2'. -expr -> 'catch' expr : {'catch',?line('$1'),'$2'}. +expr -> 'catch' expr : {'catch',?anno('$1'),'$2'}. expr -> expr_100 : '$1'. -expr_100 -> expr_150 '=' expr_100 : {match,?line('$2'),'$1','$3'}. +expr_100 -> expr_150 '=' expr_100 : {match,?anno('$2'),'$1','$3'}. expr_100 -> expr_150 '!' expr_100 : ?mkop2('$1', '$2', '$3'). expr_100 -> expr_150 : '$1'. @@ -263,7 +260,7 @@ expr_700 -> record_expr : '$1'. expr_700 -> expr_800 : '$1'. expr_800 -> expr_max ':' expr_max : - {remote,?line('$2'),'$1','$3'}. + {remote,?anno('$2'),'$1','$3'}. expr_800 -> expr_max : '$1'. expr_max -> var : '$1'. @@ -275,7 +272,7 @@ expr_max -> binary_comprehension : '$1'. expr_max -> tuple : '$1'. %%expr_max -> struct : '$1'. expr_max -> '(' expr ')' : '$2'. -expr_max -> 'begin' exprs 'end' : {block,?line('$1'),'$2'}. +expr_max -> 'begin' exprs 'end' : {block,?anno('$1'),'$2'}. expr_max -> if_expr : '$1'. expr_max -> case_expr : '$1'. expr_max -> receive_expr : '$1'. @@ -283,22 +280,22 @@ expr_max -> fun_expr : '$1'. expr_max -> try_expr : '$1'. -list -> '[' ']' : {nil,?line('$1')}. -list -> '[' expr tail : {cons,?line('$1'),'$2','$3'}. +list -> '[' ']' : {nil,?anno('$1')}. +list -> '[' expr tail : {cons,?anno('$1'),'$2','$3'}. -tail -> ']' : {nil,?line('$1')}. +tail -> ']' : {nil,?anno('$1')}. tail -> '|' expr ']' : '$2'. -tail -> ',' expr tail : {cons,?line('$2'),'$2','$3'}. +tail -> ',' expr tail : {cons,?anno('$2'),'$2','$3'}. -binary -> '<<' '>>' : {bin,?line('$1'),[]}. -binary -> '<<' bin_elements '>>' : {bin,?line('$1'),'$2'}. +binary -> '<<' '>>' : {bin,?anno('$1'),[]}. +binary -> '<<' bin_elements '>>' : {bin,?anno('$1'),'$2'}. bin_elements -> bin_element : ['$1']. bin_elements -> bin_element ',' bin_elements : ['$1'|'$3']. bin_element -> bit_expr opt_bit_size_expr opt_bit_type_list : - {bin_element,?line('$1'),'$1','$2','$3'}. + {bin_element,?anno('$1'),'$1','$2','$3'}. bit_expr -> prefix_op expr_max : ?mkop1('$1', '$2'). bit_expr -> expr_max : '$1'. @@ -319,29 +316,29 @@ bit_size_expr -> expr_max : '$1'. list_comprehension -> '[' expr '||' lc_exprs ']' : - {lc,?line('$1'),'$2','$4'}. + {lc,?anno('$1'),'$2','$4'}. binary_comprehension -> '<<' binary '||' lc_exprs '>>' : - {bc,?line('$1'),'$2','$4'}. + {bc,?anno('$1'),'$2','$4'}. lc_exprs -> lc_expr : ['$1']. lc_exprs -> lc_expr ',' lc_exprs : ['$1'|'$3']. lc_expr -> expr : '$1'. -lc_expr -> expr '<-' expr : {generate,?line('$2'),'$1','$3'}. -lc_expr -> binary '<=' expr : {b_generate,?line('$2'),'$1','$3'}. +lc_expr -> expr '<-' expr : {generate,?anno('$2'),'$1','$3'}. +lc_expr -> binary '<=' expr : {b_generate,?anno('$2'),'$1','$3'}. -tuple -> '{' '}' : {tuple,?line('$1'),[]}. -tuple -> '{' exprs '}' : {tuple,?line('$1'),'$2'}. +tuple -> '{' '}' : {tuple,?anno('$1'),[]}. +tuple -> '{' exprs '}' : {tuple,?anno('$1'),'$2'}. %%struct -> atom tuple : -%% {struct,?line('$1'),element(3, '$1'),element(3, '$2')}. +%% {struct,?anno('$1'),element(3, '$1'),element(3, '$2')}. map_expr -> '#' map_tuple : - {map, ?line('$1'),'$2'}. + {map, ?anno('$1'),'$2'}. map_expr -> expr_max '#' map_tuple : - {map, ?line('$2'),'$1','$3'}. + {map, ?anno('$2'),'$1','$3'}. map_expr -> map_expr '#' map_tuple : - {map, ?line('$2'),'$1','$3'}. + {map, ?anno('$2'),'$1','$3'}. map_tuple -> '{' '}' : []. map_tuple -> '{' map_fields '}' : '$2'. @@ -353,10 +350,10 @@ map_field -> map_field_assoc : '$1'. map_field -> map_field_exact : '$1'. map_field_assoc -> map_key '=>' expr : - {map_field_assoc,?line('$1'),'$1','$3'}. + {map_field_assoc,?anno('$1'),'$1','$3'}. map_field_exact -> map_key ':=' expr : - {map_field_exact,?line('$1'),'$1','$3'}. + {map_field_exact,?anno('$1'),'$1','$3'}. map_key -> expr : '$1'. @@ -366,17 +363,17 @@ map_key -> expr : '$1'. %% always atoms for the moment, this might change in the future. record_expr -> '#' atom '.' atom : - {record_index,?line('$1'),element(3, '$2'),'$4'}. + {record_index,?anno('$1'),element(3, '$2'),'$4'}. record_expr -> '#' atom record_tuple : - {record,?line('$1'),element(3, '$2'),'$3'}. + {record,?anno('$1'),element(3, '$2'),'$3'}. record_expr -> expr_max '#' atom '.' atom : - {record_field,?line('$2'),'$1',element(3, '$3'),'$5'}. + {record_field,?anno('$2'),'$1',element(3, '$3'),'$5'}. record_expr -> expr_max '#' atom record_tuple : - {record,?line('$2'),'$1',element(3, '$3'),'$4'}. + {record,?anno('$2'),'$1',element(3, '$3'),'$4'}. record_expr -> record_expr '#' atom '.' atom : - {record_field,?line('$2'),'$1',element(3, '$3'),'$5'}. + {record_field,?anno('$2'),'$1',element(3, '$3'),'$5'}. record_expr -> record_expr '#' atom record_tuple : - {record,?line('$2'),'$1',element(3, '$3'),'$4'}. + {record,?anno('$2'),'$1',element(3, '$3'),'$4'}. record_tuple -> '{' '}' : []. record_tuple -> '{' record_fields '}' : '$2'. @@ -384,47 +381,47 @@ record_tuple -> '{' record_fields '}' : '$2'. record_fields -> record_field : ['$1']. record_fields -> record_field ',' record_fields : ['$1' | '$3']. -record_field -> var '=' expr : {record_field,?line('$1'),'$1','$3'}. -record_field -> atom '=' expr : {record_field,?line('$1'),'$1','$3'}. +record_field -> var '=' expr : {record_field,?anno('$1'),'$1','$3'}. +record_field -> atom '=' expr : {record_field,?anno('$1'),'$1','$3'}. %% N.B. This is called from expr_700. function_call -> expr_800 argument_list : - {call,?line('$1'),'$1',element(1, '$2')}. + {call,?anno('$1'),'$1',element(1, '$2')}. -if_expr -> 'if' if_clauses 'end' : {'if',?line('$1'),'$2'}. +if_expr -> 'if' if_clauses 'end' : {'if',?anno('$1'),'$2'}. if_clauses -> if_clause : ['$1']. if_clauses -> if_clause ';' if_clauses : ['$1' | '$3']. if_clause -> guard clause_body : - {clause,?line(hd(hd('$1'))),[],'$1','$2'}. + {clause,?anno(hd(hd('$1'))),[],'$1','$2'}. case_expr -> 'case' expr 'of' cr_clauses 'end' : - {'case',?line('$1'),'$2','$4'}. + {'case',?anno('$1'),'$2','$4'}. cr_clauses -> cr_clause : ['$1']. cr_clauses -> cr_clause ';' cr_clauses : ['$1' | '$3']. cr_clause -> expr clause_guard clause_body : - {clause,?line('$1'),['$1'],'$2','$3'}. + {clause,?anno('$1'),['$1'],'$2','$3'}. receive_expr -> 'receive' cr_clauses 'end' : - {'receive',?line('$1'),'$2'}. + {'receive',?anno('$1'),'$2'}. receive_expr -> 'receive' 'after' expr clause_body 'end' : - {'receive',?line('$1'),[],'$3','$4'}. + {'receive',?anno('$1'),[],'$3','$4'}. receive_expr -> 'receive' cr_clauses 'after' expr clause_body 'end' : - {'receive',?line('$1'),'$2','$4','$5'}. + {'receive',?anno('$1'),'$2','$4','$5'}. fun_expr -> 'fun' atom '/' integer : - {'fun',?line('$1'),{function,element(3, '$2'),element(3, '$4')}}. + {'fun',?anno('$1'),{function,element(3, '$2'),element(3, '$4')}}. fun_expr -> 'fun' atom_or_var ':' atom_or_var '/' integer_or_var : - {'fun',?line('$1'),{function,'$2','$4','$6'}}. + {'fun',?anno('$1'),{function,'$2','$4','$6'}}. fun_expr -> 'fun' fun_clauses 'end' : - build_fun(?line('$1'), '$2'). + build_fun(?anno('$1'), '$2'). atom_or_var -> atom : '$1'. atom_or_var -> var : '$1'. @@ -436,16 +433,16 @@ fun_clauses -> fun_clause : ['$1']. fun_clauses -> fun_clause ';' fun_clauses : ['$1' | '$3']. fun_clause -> argument_list clause_guard clause_body : - {Args,Pos} = '$1', - {clause,Pos,'fun',Args,'$2','$3'}. + {Args,Anno} = '$1', + {clause,Anno,'fun',Args,'$2','$3'}. fun_clause -> var argument_list clause_guard clause_body : {clause,element(2, '$1'),element(3, '$1'),element(1, '$2'),'$3','$4'}. try_expr -> 'try' exprs 'of' cr_clauses try_catch : - build_try(?line('$1'),'$2','$4','$5'). + build_try(?anno('$1'),'$2','$4','$5'). try_expr -> 'try' exprs try_catch : - build_try(?line('$1'),'$2',[],'$3'). + build_try(?anno('$1'),'$2',[],'$3'). try_catch -> 'catch' try_clauses 'end' : {'$2',[]}. @@ -458,18 +455,18 @@ try_clauses -> try_clause : ['$1']. try_clauses -> try_clause ';' try_clauses : ['$1' | '$3']. try_clause -> expr clause_guard clause_body : - L = ?line('$1'), - {clause,L,[{tuple,L,[{atom,L,throw},'$1',{var,L,'_'}]}],'$2','$3'}. + A = ?anno('$1'), + {clause,A,[{tuple,A,[{atom,A,throw},'$1',{var,A,'_'}]}],'$2','$3'}. try_clause -> atom ':' expr clause_guard clause_body : - L = ?line('$1'), - {clause,L,[{tuple,L,['$1','$3',{var,L,'_'}]}],'$4','$5'}. + A = ?anno('$1'), + {clause,A,[{tuple,A,['$1','$3',{var,A,'_'}]}],'$4','$5'}. try_clause -> var ':' expr clause_guard clause_body : - L = ?line('$1'), - {clause,L,[{tuple,L,['$1','$3',{var,L,'_'}]}],'$4','$5'}. + A = ?anno('$1'), + {clause,A,[{tuple,A,['$1','$3',{var,A,'_'}]}],'$4','$5'}. -argument_list -> '(' ')' : {[],?line('$1')}. -argument_list -> '(' exprs ')' : {'$2',?line('$1')}. +argument_list -> '(' ')' : {[],?anno('$1')}. +argument_list -> '(' exprs ')' : {'$2',?anno('$1')}. exprs -> expr : ['$1']. @@ -486,7 +483,7 @@ atomic -> strings : '$1'. strings -> string : '$1'. strings -> string strings : - {string,?line('$1'),element(3, '$1') ++ element(3, '$2')}. + {string,?anno('$1'),element(3, '$1') ++ element(3, '$2')}. prefix_op -> '+' : '$1'. prefix_op -> '-' : '$1'. @@ -521,25 +518,20 @@ comp_op -> '>' : '$1'. comp_op -> '=:=' : '$1'. comp_op -> '=/=' : '$1'. -rule -> rule_clauses : build_rule('$1'). - -rule_clauses -> rule_clause : ['$1']. -rule_clauses -> rule_clause ';' rule_clauses : ['$1'|'$3']. - -rule_clause -> atom clause_args clause_guard rule_body : - {clause,?line('$1'),element(3, '$1'),'$2','$3','$4'}. - -rule_body -> ':-' lc_exprs: '$2'. - - Erlang code. -export([parse_form/1,parse_exprs/1,parse_term/1]). -export([normalise/1,abstract/1,tokens/1,tokens/2]). -export([abstract/2]). -export([inop_prec/1,preop_prec/1,func_prec/0,max_prec/0]). +-export([map_anno/2, fold_anno/3, mapfold_anno/3, + new_anno/1, anno_to_term/1, anno_from_term/1]). -export([set_line/2,get_attribute/2,get_attributes/1]). +-deprecated([{set_line, 2, next_major_release}, + {get_attribute, 2, next_major_release}, + {get_attributes, 1, next_major_release}]). + %% The following directive is needed for (significantly) faster compilation %% of the generated .erl file by the HiPE compiler. Please do not remove. -compile([{hipe,[{regalloc,linear_scan}]}]). @@ -547,30 +539,31 @@ Erlang code. -export_type([abstract_clause/0, abstract_expr/0, abstract_form/0, error_info/0]). +%% XXX. To be refined. -type abstract_clause() :: term(). -type abstract_expr() :: term(). -type abstract_form() :: term(). -type error_description() :: term(). --type error_info() :: {erl_scan:line(), module(), error_description()}. +-type error_info() :: {erl_anno:line(), module(), error_description()}. -type token() :: erl_scan:token(). -%% mkop(Op, Arg) -> {op,Line,Op,Arg}. -%% mkop(Left, Op, Right) -> {op,Line,Op,Left,Right}. +%% mkop(Op, Arg) -> {op,Anno,Op,Arg}. +%% mkop(Left, Op, Right) -> {op,Anno,Op,Left,Right}. --define(mkop2(L, OpPos, R), +-define(mkop2(L, OpAnno, R), begin - {Op,Pos} = OpPos, - {op,Pos,Op,L,R} + {Op,Anno} = OpAnno, + {op,Anno,Op,L,R} end). --define(mkop1(OpPos, A), +-define(mkop1(OpAnno, A), begin - {Op,Pos} = OpPos, - {op,Pos,Op,A} + {Op,Anno} = OpAnno, + {op,Anno,Op,A} end). -%% keep track of line info in tokens --define(line(Tup), element(2, Tup)). +%% keep track of annotation info in tokens +-define(anno(Tup), element(2, Tup)). %% Entry points compatible to old erl_parse. %% These really suck and are only here until Calle gets multiple @@ -580,10 +573,10 @@ Erlang code. Tokens :: [token()], AbsForm :: abstract_form(), ErrorInfo :: error_info(). -parse_form([{'-',L1},{atom,L2,spec}|Tokens]) -> - parse([{'-',L1},{'spec',L2}|Tokens]); -parse_form([{'-',L1},{atom,L2,callback}|Tokens]) -> - parse([{'-',L1},{'callback',L2}|Tokens]); +parse_form([{'-',A1},{atom,A2,spec}|Tokens]) -> + parse([{'-',A1},{'spec',A2}|Tokens]); +parse_form([{'-',A1},{atom,A2,callback}|Tokens]) -> + parse([{'-',A1},{'callback',A2}|Tokens]); parse_form(Tokens) -> parse(Tokens). @@ -592,7 +585,8 @@ parse_form(Tokens) -> ExprList :: [abstract_expr()], ErrorInfo :: error_info(). parse_exprs(Tokens) -> - case parse([{atom,0,f},{'(',0},{')',0},{'->',0}|Tokens]) of + A = erl_anno:new(0), + case parse([{atom,A,f},{'(',A},{')',A},{'->',A}|Tokens]) of {ok,{function,_Lf,f,0,[{clause,_Lc,[],[],Exprs}]}} -> {ok,Exprs}; {error,_} = Err -> Err @@ -603,42 +597,43 @@ parse_exprs(Tokens) -> Term :: term(), ErrorInfo :: error_info(). parse_term(Tokens) -> - case parse([{atom,0,f},{'(',0},{')',0},{'->',0}|Tokens]) of - {ok,{function,_Lf,f,0,[{clause,_Lc,[],[],[Expr]}]}} -> + A = erl_anno:new(0), + case parse([{atom,A,f},{'(',A},{')',A},{'->',A}|Tokens]) of + {ok,{function,_Af,f,0,[{clause,_Ac,[],[],[Expr]}]}} -> try normalise(Expr) of Term -> {ok,Term} catch - _:_R -> {error,{?line(Expr),?MODULE,"bad term"}} + _:_R -> {error,{location(?anno(Expr)),?MODULE,"bad term"}} end; - {ok,{function,_Lf,f,0,[{clause,_Lc,[],[],[_E1,E2|_Es]}]}} -> - {error,{?line(E2),?MODULE,"bad term"}}; + {ok,{function,_Af,f,A,[{clause,_Ac,[],[],[_E1,E2|_Es]}]}} -> + {error,{location(?anno(E2)),?MODULE,"bad term"}}; {error,_} = Err -> Err end. -type attributes() :: 'export' | 'file' | 'import' | 'module' | 'opaque' | 'record' | 'type'. -build_typed_attribute({atom,La,record}, - {typed_record, {atom,_Ln,RecordName}, RecTuple}) -> - {attribute,La,record,{RecordName,record_tuple(RecTuple)}}; -build_typed_attribute({atom,La,Attr}, +build_typed_attribute({atom,Aa,record}, + {typed_record, {atom,_An,RecordName}, RecTuple}) -> + {attribute,Aa,record,{RecordName,record_tuple(RecTuple)}}; +build_typed_attribute({atom,Aa,Attr}, {type_def, {call,_,{atom,_,TypeName},Args}, Type}) when Attr =:= 'type' ; Attr =:= 'opaque' -> case lists:all(fun({var, _, _}) -> true; (_) -> false end, Args) of - true -> {attribute,La,Attr,{TypeName,Type,Args}}; - false -> error_bad_decl(La, Attr) + true -> {attribute,Aa,Attr,{TypeName,Type,Args}}; + false -> error_bad_decl(Aa, Attr) end; -build_typed_attribute({atom,La,Attr},_) -> +build_typed_attribute({atom,Aa,Attr},_) -> case Attr of - record -> error_bad_decl(La, record); - type -> error_bad_decl(La, type); - opaque -> error_bad_decl(La, opaque); - _ -> ret_err(La, "bad attribute") + record -> error_bad_decl(Aa, record); + type -> error_bad_decl(Aa, type); + opaque -> error_bad_decl(Aa, opaque); + _ -> ret_err(Aa, "bad attribute") end. -build_type_spec({Kind,La}, {SpecFun, TypeSpecs}) +build_type_spec({Kind,Aa}, {SpecFun, TypeSpecs}) when (Kind =:= spec) or (Kind =:= callback) -> NewSpecFun = case SpecFun of @@ -653,7 +648,7 @@ build_type_spec({Kind,La}, {SpecFun, TypeSpecs}) %% Old style spec. Allow this for now. {Mod,Fun,Arity} end, - {attribute,La,Kind,{NewSpecFun, TypeSpecs}}. + {attribute,Aa,Kind,{NewSpecFun, TypeSpecs}}. find_arity_from_specs([Spec|_]) -> %% Use the first spec to find the arity. If all are not the same, @@ -665,99 +660,116 @@ find_arity_from_specs([Spec|_]) -> {type, _, 'fun', [{type, _, product, Args},_]} = Fun, length(Args). +build_def({var, A, '_'}, _Types) -> + ret_err(A, "bad type variable"); build_def(LHS, Types) -> - IsSubType = {atom, ?line(LHS), is_subtype}, - {type, ?line(LHS), constraint, [IsSubType, [LHS, Types]]}. + IsSubType = {atom, ?anno(LHS), is_subtype}, + {type, ?anno(LHS), constraint, [IsSubType, [LHS, Types]]}. -lift_unions(T1, {type, _La, union, List}) -> - {type, ?line(T1), union, [T1|List]}; +lift_unions(T1, {type, _Aa, union, List}) -> + {type, ?anno(T1), union, [T1|List]}; lift_unions(T1, T2) -> - {type, ?line(T1), union, [T1, T2]}. + {type, ?anno(T1), union, [T1, T2]}. -skip_paren({paren_type,_L,[Type]}) -> +skip_paren({paren_type,_A,[Type]}) -> skip_paren(Type); skip_paren(Type) -> Type. -build_gen_type({atom, La, tuple}) -> - {type, La, tuple, any}; -build_gen_type({atom, La, map}) -> - {type, La, map, any}; -build_gen_type({atom, La, Name}) -> - {type, La, Name, []}. +build_gen_type({atom, Aa, tuple}) -> + {type, Aa, tuple, any}; +build_gen_type({atom, Aa, map}) -> + {type, Aa, map, any}; +build_gen_type({atom, Aa, Name}) -> + Tag = type_tag(Name, 0), + {Tag, Aa, Name, []}. build_bin_type([{var, _, '_'}|Left], Int) -> build_bin_type(Left, Int); build_bin_type([], Int) -> skip_paren(Int); -build_bin_type([{var, La, _}|_], _) -> - ret_err(La, "Bad binary type"). +build_bin_type([{var, Aa, _}|_], _) -> + ret_err(Aa, "Bad binary type"). + +build_type({atom, A, Name}, Types) -> + Tag = type_tag(Name, length(Types)), + {Tag, A, Name, Types}. + +type_tag(TypeName, NumberOfTypeVariables) -> + case erl_internal:is_type(TypeName, NumberOfTypeVariables) of + true -> type; + false -> user_type + end. + +abstract2(Term, Anno) -> + Line = erl_anno:line(Anno), + abstract(Term, Line). %% build_attribute(AttrName, AttrValue) -> -%% {attribute,Line,module,Module} -%% {attribute,Line,export,Exports} -%% {attribute,Line,import,Imports} -%% {attribute,Line,record,{Name,Inits}} -%% {attribute,Line,file,{Name,Line}} -%% {attribute,Line,Name,Val} - -build_attribute({atom,La,module}, Val) -> +%% {attribute,Anno,module,Module} +%% {attribute,Anno,export,Exports} +%% {attribute,Anno,import,Imports} +%% {attribute,Anno,record,{Name,Inits}} +%% {attribute,Anno,file,{Name,Line}} +%% {attribute,Anno,Name,Val} + +build_attribute({atom,Aa,module}, Val) -> case Val of - [{atom,_Lm,Module}] -> - {attribute,La,module,Module}; - [{atom,_Lm,Module},ExpList] -> - {attribute,La,module,{Module,var_list(ExpList)}}; + [{atom,_Am,Module}] -> + {attribute,Aa,module,Module}; + [{atom,_Am,Module},ExpList] -> + {attribute,Aa,module,{Module,var_list(ExpList)}}; _Other -> - error_bad_decl(La, module) + error_bad_decl(Aa, module) end; -build_attribute({atom,La,export}, Val) -> +build_attribute({atom,Aa,export}, Val) -> case Val of [ExpList] -> - {attribute,La,export,farity_list(ExpList)}; - _Other -> error_bad_decl(La, export) + {attribute,Aa,export,farity_list(ExpList)}; + _Other -> error_bad_decl(Aa, export) end; -build_attribute({atom,La,import}, Val) -> +build_attribute({atom,Aa,import}, Val) -> case Val of - [{atom,_Lm,Mod},ImpList] -> - {attribute,La,import,{Mod,farity_list(ImpList)}}; - _Other -> error_bad_decl(La, import) + [{atom,_Am,Mod},ImpList] -> + {attribute,Aa,import,{Mod,farity_list(ImpList)}}; + _Other -> error_bad_decl(Aa, import) end; -build_attribute({atom,La,record}, Val) -> +build_attribute({atom,Aa,record}, Val) -> case Val of - [{atom,_Ln,Record},RecTuple] -> - {attribute,La,record,{Record,record_tuple(RecTuple)}}; - _Other -> error_bad_decl(La, record) + [{atom,_An,Record},RecTuple] -> + {attribute,Aa,record,{Record,record_tuple(RecTuple)}}; + _Other -> error_bad_decl(Aa, record) end; -build_attribute({atom,La,file}, Val) -> +build_attribute({atom,Aa,file}, Val) -> case Val of - [{string,_Ln,Name},{integer,_Ll,Line}] -> - {attribute,La,file,{Name,Line}}; - _Other -> error_bad_decl(La, file) + [{string,_An,Name},{integer,_Al,Line}] -> + {attribute,Aa,file,{Name,Line}}; + _Other -> error_bad_decl(Aa, file) end; -build_attribute({atom,La,Attr}, Val) -> +build_attribute({atom,Aa,Attr}, Val) -> case Val of [Expr0] -> Expr = attribute_farity(Expr0), - {attribute,La,Attr,term(Expr)}; - _Other -> ret_err(La, "bad attribute") + {attribute,Aa,Attr,term(Expr)}; + _Other -> ret_err(Aa, "bad attribute") end. -var_list({cons,_Lc,{var,_,V},Tail}) -> +var_list({cons,_Ac,{var,_,V},Tail}) -> [V|var_list(Tail)]; -var_list({nil,_Ln}) -> []; +var_list({nil,_An}) -> []; var_list(Other) -> - ret_err(?line(Other), "bad variable list"). + ret_err(?anno(Other), "bad variable list"). -attribute_farity({cons,L,H,T}) -> - {cons,L,attribute_farity(H),attribute_farity(T)}; -attribute_farity({tuple,L,Args0}) -> +attribute_farity({cons,A,H,T}) -> + {cons,A,attribute_farity(H),attribute_farity(T)}; +attribute_farity({tuple,A,Args0}) -> Args = attribute_farity_list(Args0), - {tuple,L,Args}; -attribute_farity({map,L,Args0}) -> + {tuple,A,Args}; +attribute_farity({map,A,Args0}) -> Args = attribute_farity_map(Args0), - {map,L,Args}; -attribute_farity({op,L,'/',{atom,_,_}=Name,{integer,_,_}=Arity}) -> - {tuple,L,[Name,Arity]}; + {map,A,Args}; +attribute_farity({op,A,'/',{atom,_,_}=Name,{integer,_,_}=Arity}) -> + {tuple,A,[Name,Arity]}; attribute_farity(Other) -> Other. attribute_farity_list(Args) -> @@ -765,45 +777,45 @@ attribute_farity_list(Args) -> %% It is not meaningful to have farity keys. attribute_farity_map(Args) -> - [{Op,L,K,attribute_farity(V)} || {Op,L,K,V} <- Args]. + [{Op,A,K,attribute_farity(V)} || {Op,A,K,V} <- Args]. --spec error_bad_decl(integer(), attributes()) -> no_return(). +-spec error_bad_decl(erl_anno:anno(), attributes()) -> no_return(). -error_bad_decl(L, S) -> - ret_err(L, io_lib:format("bad ~w declaration", [S])). +error_bad_decl(Anno, S) -> + ret_err(Anno, io_lib:format("bad ~w declaration", [S])). -farity_list({cons,_Lc,{op,_Lo,'/',{atom,_La,A},{integer,_Li,I}},Tail}) -> +farity_list({cons,_Ac,{op,_Ao,'/',{atom,_Aa,A},{integer,_Ai,I}},Tail}) -> [{A,I}|farity_list(Tail)]; -farity_list({nil,_Ln}) -> []; +farity_list({nil,_An}) -> []; farity_list(Other) -> - ret_err(?line(Other), "bad function arity"). + ret_err(?anno(Other), "bad function arity"). -record_tuple({tuple,_Lt,Fields}) -> +record_tuple({tuple,_At,Fields}) -> record_fields(Fields); record_tuple(Other) -> - ret_err(?line(Other), "bad record declaration"). + ret_err(?anno(Other), "bad record declaration"). -record_fields([{atom,La,A}|Fields]) -> - [{record_field,La,{atom,La,A}}|record_fields(Fields)]; -record_fields([{match,_Lm,{atom,La,A},Expr}|Fields]) -> - [{record_field,La,{atom,La,A},Expr}|record_fields(Fields)]; +record_fields([{atom,Aa,A}|Fields]) -> + [{record_field,Aa,{atom,Aa,A}}|record_fields(Fields)]; +record_fields([{match,_Am,{atom,Aa,A},Expr}|Fields]) -> + [{record_field,Aa,{atom,Aa,A},Expr}|record_fields(Fields)]; record_fields([{typed,Expr,TypeInfo}|Fields]) -> [Field] = record_fields([Expr]), TypeInfo1 = case Expr of {match, _, _, _} -> TypeInfo; %% If we have an initializer. - {atom, La, _} -> + {atom, Aa, _} -> case has_undefined(TypeInfo) of false -> TypeInfo2 = maybe_add_paren(TypeInfo), - lift_unions(abstract(undefined, La), TypeInfo2); + lift_unions(abstract2(undefined, Aa), TypeInfo2); true -> TypeInfo end end, [{typed_record_field,Field,TypeInfo1}|record_fields(Fields)]; record_fields([Other|_Fields]) -> - ret_err(?line(Other), "bad record field"); + ret_err(?anno(Other), "bad record field"); record_fields([]) -> []. has_undefined({atom,_,undefined}) -> @@ -817,59 +829,53 @@ has_undefined({type,_,union,Ts}) -> has_undefined(_) -> false. -maybe_add_paren({ann_type,L,T}) -> - {paren_type,L,[{ann_type,L,T}]}; +maybe_add_paren({ann_type,A,T}) -> + {paren_type,A,[{ann_type,A,T}]}; maybe_add_paren(T) -> T. term(Expr) -> try normalise(Expr) - catch _:_R -> ret_err(?line(Expr), "bad attribute") + catch _:_R -> ret_err(?anno(Expr), "bad attribute") end. -%% build_function([Clause]) -> {function,Line,Name,Arity,[Clause]} +%% build_function([Clause]) -> {function,Anno,Name,Arity,[Clause]} build_function(Cs) -> Name = element(3, hd(Cs)), Arity = length(element(4, hd(Cs))), - {function,?line(hd(Cs)),Name,Arity,check_clauses(Cs, Name, Arity)}. - -%% build_rule([Clause]) -> {rule,Line,Name,Arity,[Clause]'} - -build_rule(Cs) -> - Name = element(3, hd(Cs)), - Arity = length(element(4, hd(Cs))), - {rule,?line(hd(Cs)),Name,Arity,check_clauses(Cs, Name, Arity)}. + {function,?anno(hd(Cs)),Name,Arity,check_clauses(Cs, Name, Arity)}. -%% build_fun(Line, [Clause]) -> {'fun',Line,{clauses,[Clause]}}. +%% build_fun(Anno, [Clause]) -> {'fun',Anno,{clauses,[Clause]}}. -build_fun(Line, Cs) -> +build_fun(Anno, Cs) -> Name = element(3, hd(Cs)), Arity = length(element(4, hd(Cs))), CheckedCs = check_clauses(Cs, Name, Arity), case Name of 'fun' -> - {'fun',Line,{clauses,CheckedCs}}; + {'fun',Anno,{clauses,CheckedCs}}; Name -> - {named_fun,Line,Name,CheckedCs} + {named_fun,Anno,Name,CheckedCs} end. check_clauses(Cs, Name, Arity) -> [case C of - {clause,L,N,As,G,B} when N =:= Name, length(As) =:= Arity -> - {clause,L,As,G,B}; - {clause,L,_N,_As,_G,_B} -> - ret_err(L, "head mismatch") + {clause,A,N,As,G,B} when N =:= Name, length(As) =:= Arity -> + {clause,A,As,G,B}; + {clause,A,_N,_As,_G,_B} -> + ret_err(A, "head mismatch") end || C <- Cs]. -build_try(L,Es,Scs,{Ccs,As}) -> - {'try',L,Es,Scs,Ccs,As}. +build_try(A,Es,Scs,{Ccs,As}) -> + {'try',A,Es,Scs,Ccs,As}. -spec ret_err(_, _) -> no_return(). -ret_err(L, S) -> - {location,Location} = get_attribute(L, location), - return_error(Location, S). +ret_err(Anno, S) -> + return_error(location(Anno), S). +location(Anno) -> + erl_anno:location(Anno). %% Convert between the abstract form of a term and a term. @@ -917,7 +923,8 @@ normalise_list([]) -> Data :: term(), AbsTerm :: abstract_expr(). abstract(T) -> - abstract(T, 0, enc_func(epp:default_encoding())). + Anno = erl_anno:new(0), + abstract(T, Anno, enc_func(epp:default_encoding())). -type encoding_func() :: fun((non_neg_integer()) -> boolean()). @@ -927,16 +934,18 @@ abstract(T) -> Options :: Line | [Option], Option :: {line, Line} | {encoding, Encoding}, Encoding :: 'latin1' | 'unicode' | 'utf8' | 'none' | encoding_func(), - Line :: erl_scan:line(), + Line :: erl_anno:line(), AbsTerm :: abstract_expr(). abstract(T, Line) when is_integer(Line) -> - abstract(T, Line, enc_func(epp:default_encoding())); + Anno = erl_anno:new(Line), + abstract(T, Anno, enc_func(epp:default_encoding())); abstract(T, Options) when is_list(Options) -> Line = proplists:get_value(line, Options, 0), Encoding = proplists:get_value(encoding, Options,epp:default_encoding()), EncFunc = enc_func(Encoding), - abstract(T, Line, EncFunc). + Anno = erl_anno:new(Line), + abstract(T, Anno, EncFunc). -define(UNICODE(C), (C < 16#D800 orelse @@ -950,53 +959,53 @@ enc_func(none) -> none; enc_func(Fun) when is_function(Fun, 1) -> Fun; enc_func(Term) -> erlang:error({badarg, Term}). -abstract(T, L, _E) when is_integer(T) -> {integer,L,T}; -abstract(T, L, _E) when is_float(T) -> {float,L,T}; -abstract(T, L, _E) when is_atom(T) -> {atom,L,T}; -abstract([], L, _E) -> {nil,L}; -abstract(B, L, _E) when is_bitstring(B) -> - {bin, L, [abstract_byte(Byte, L) || Byte <- bitstring_to_list(B)]}; -abstract([H|T], L, none=E) -> - {cons,L,abstract(H, L, E),abstract(T, L, E)}; -abstract(List, L, E) when is_list(List) -> - abstract_list(List, [], L, E); -abstract(Tuple, L, E) when is_tuple(Tuple) -> - {tuple,L,abstract_tuple_list(tuple_to_list(Tuple), L, E)}; -abstract(Map, L, E) when is_map(Map) -> - {map,L,abstract_map_fields(maps:to_list(Map),L,E)}. - -abstract_list([H|T], String, L, E) -> +abstract(T, A, _E) when is_integer(T) -> {integer,A,T}; +abstract(T, A, _E) when is_float(T) -> {float,A,T}; +abstract(T, A, _E) when is_atom(T) -> {atom,A,T}; +abstract([], A, _E) -> {nil,A}; +abstract(B, A, _E) when is_bitstring(B) -> + {bin, A, [abstract_byte(Byte, A) || Byte <- bitstring_to_list(B)]}; +abstract([H|T], A, none=E) -> + {cons,A,abstract(H, A, E),abstract(T, A, E)}; +abstract(List, A, E) when is_list(List) -> + abstract_list(List, [], A, E); +abstract(Tuple, A, E) when is_tuple(Tuple) -> + {tuple,A,abstract_tuple_list(tuple_to_list(Tuple), A, E)}; +abstract(Map, A, E) when is_map(Map) -> + {map,A,abstract_map_fields(maps:to_list(Map),A,E)}. + +abstract_list([H|T], String, A, E) -> case is_integer(H) andalso H >= 0 andalso E(H) of true -> - abstract_list(T, [H|String], L, E); + abstract_list(T, [H|String], A, E); false -> - AbstrList = {cons,L,abstract(H, L, E),abstract(T, L, E)}, - not_string(String, AbstrList, L, E) + AbstrList = {cons,A,abstract(H, A, E),abstract(T, A, E)}, + not_string(String, AbstrList, A, E) end; -abstract_list([], String, L, _E) -> - {string, L, lists:reverse(String)}; -abstract_list(T, String, L, E) -> - not_string(String, abstract(T, L, E), L, E). - -not_string([C|T], Result, L, E) -> - not_string(T, {cons, L, {integer, L, C}, Result}, L, E); -not_string([], Result, _L, _E) -> +abstract_list([], String, A, _E) -> + {string, A, lists:reverse(String)}; +abstract_list(T, String, A, E) -> + not_string(String, abstract(T, A, E), A, E). + +not_string([C|T], Result, A, E) -> + not_string(T, {cons, A, {integer, A, C}, Result}, A, E); +not_string([], Result, _A, _E) -> Result. -abstract_tuple_list([H|T], L, E) -> - [abstract(H, L, E)|abstract_tuple_list(T, L, E)]; -abstract_tuple_list([], _L, _E) -> +abstract_tuple_list([H|T], A, E) -> + [abstract(H, A, E)|abstract_tuple_list(T, A, E)]; +abstract_tuple_list([], _A, _E) -> []. -abstract_map_fields(Fs,L,E) -> - [{map_field_assoc,L,abstract(K,L,E),abstract(V,L,E)}||{K,V}<-Fs]. +abstract_map_fields(Fs,A,E) -> + [{map_field_assoc,A,abstract(K,A,E),abstract(V,A,E)}||{K,V}<-Fs]. -abstract_byte(Byte, L) when is_integer(Byte) -> - {bin_element, L, {integer, L, Byte}, default, default}; -abstract_byte(Bits, L) -> +abstract_byte(Byte, A) when is_integer(Byte) -> + {bin_element, A, {integer, A, Byte}, default, default}; +abstract_byte(Bits, A) -> Sz = bit_size(Bits), <<Val:Sz>> = Bits, - {bin_element, L, {integer, L, Val}, {integer, L, Sz}, default}. + {bin_element, A, {integer, A, Val}, {integer, A, Sz}, default}. %% Generate a list of tokens representing the abstract term. @@ -1010,32 +1019,32 @@ tokens(Abs) -> AbsTerm :: abstract_expr(), MoreTokens :: [token()], Tokens :: [token()]. -tokens({char,L,C}, More) -> [{char,L,C}|More]; -tokens({integer,L,N}, More) -> [{integer,L,N}|More]; -tokens({float,L,F}, More) -> [{float,L,F}|More]; -tokens({atom,L,A}, More) -> [{atom,L,A}|More]; -tokens({var,L,V}, More) -> [{var,L,V}|More]; -tokens({string,L,S}, More) -> [{string,L,S}|More]; -tokens({nil,L}, More) -> [{'[',L},{']',L}|More]; -tokens({cons,L,Head,Tail}, More) -> - [{'[',L}|tokens(Head, tokens_tail(Tail, More))]; -tokens({tuple,L,[]}, More) -> - [{'{',L},{'}',L}|More]; -tokens({tuple,L,[E|Es]}, More) -> - [{'{',L}|tokens(E, tokens_tuple(Es, ?line(E), More))]. - -tokens_tail({cons,L,Head,Tail}, More) -> - [{',',L}|tokens(Head, tokens_tail(Tail, More))]; -tokens_tail({nil,L}, More) -> - [{']',L}|More]; +tokens({char,A,C}, More) -> [{char,A,C}|More]; +tokens({integer,A,N}, More) -> [{integer,A,N}|More]; +tokens({float,A,F}, More) -> [{float,A,F}|More]; +tokens({atom,Aa,A}, More) -> [{atom,Aa,A}|More]; +tokens({var,A,V}, More) -> [{var,A,V}|More]; +tokens({string,A,S}, More) -> [{string,A,S}|More]; +tokens({nil,A}, More) -> [{'[',A},{']',A}|More]; +tokens({cons,A,Head,Tail}, More) -> + [{'[',A}|tokens(Head, tokens_tail(Tail, More))]; +tokens({tuple,A,[]}, More) -> + [{'{',A},{'}',A}|More]; +tokens({tuple,A,[E|Es]}, More) -> + [{'{',A}|tokens(E, tokens_tuple(Es, ?anno(E), More))]. + +tokens_tail({cons,A,Head,Tail}, More) -> + [{',',A}|tokens(Head, tokens_tail(Tail, More))]; +tokens_tail({nil,A}, More) -> + [{']',A}|More]; tokens_tail(Other, More) -> - L = ?line(Other), - [{'|',L}|tokens(Other, [{']',L}|More])]. + A = ?anno(Other), + [{'|',A}|tokens(Other, [{']',A}|More])]. -tokens_tuple([E|Es], Line, More) -> - [{',',Line}|tokens(E, tokens_tuple(Es, ?line(E), More))]; -tokens_tuple([], Line, More) -> - [{'}',Line}|More]. +tokens_tuple([E|Es], Anno, More) -> + [{',',Anno}|tokens(E, tokens_tuple(Es, ?anno(E), More))]; +tokens_tuple([], Anno, More) -> + [{'}',Anno}|More]. %% Give the relative precedences of operators. @@ -1100,13 +1109,168 @@ max_prec() -> 900. %%% longer apply. To get all present attributes as a property list %%% get_attributes() should be used. +-compile({nowarn_deprecated_function,{erl_scan,set_attribute,3}}). set_line(L, F) -> erl_scan:set_attribute(line, L, F). +-compile({nowarn_deprecated_function,{erl_scan,attributes_info,2}}). get_attribute(L, Name) -> erl_scan:attributes_info(L, Name). +-compile({nowarn_deprecated_function,{erl_scan,attributes_info,1}}). get_attributes(L) -> erl_scan:attributes_info(L). +-spec map_anno(Fun, Abstr) -> NewAbstr when + Fun :: fun((Anno) -> Anno), + Anno :: erl_anno:anno(), + Abstr :: abstract_form() | abstract_expr(), + NewAbstr :: abstract_form() | abstract_expr(). + +map_anno(F0, Abstr) -> + F = fun(A, Acc) -> {F0(A), Acc} end, + {NewAbstr, []} = modify_anno1(Abstr, [], F), + NewAbstr. + +-spec fold_anno(Fun, Acc0, Abstr) -> NewAbstr when + Fun :: fun((Anno, AccIn) -> AccOut), + Anno :: erl_anno:anno(), + Acc0 :: term(), + AccIn :: term(), + AccOut :: term(), + Abstr :: abstract_form() | abstract_expr(), + NewAbstr :: abstract_form() | abstract_expr(). + +fold_anno(F0, Acc0, Abstr) -> + F = fun(A, Acc) -> {A, F0(A, Acc)} end, + {_, NewAcc} = modify_anno1(Abstr, Acc0, F), + NewAcc. + +-spec mapfold_anno(Fun, Acc0, Abstr) -> {NewAbstr, Acc1} when + Fun :: fun((Anno, AccIn) -> {Anno, AccOut}), + Anno :: erl_anno:anno(), + Acc0 :: term(), + Acc1 :: term(), + AccIn :: term(), + AccOut :: term(), + Abstr :: abstract_form() | abstract_expr(), + NewAbstr :: abstract_form() | abstract_expr(). + +mapfold_anno(F, Acc0, Abstr) -> + modify_anno1(Abstr, Acc0, F). + +-spec new_anno(Term) -> Abstr when + Term :: term(), + Abstr :: abstract_form() | abstract_expr(). + +new_anno(Term) -> + map_anno(fun erl_anno:new/1, Term). + +-spec anno_to_term(Abstr) -> term() when + Abstr :: abstract_form() | abstract_expr(). + +anno_to_term(Abstract) -> + map_anno(fun erl_anno:to_term/1, Abstract). + +-spec anno_from_term(Term) -> abstract_form() | abstract_expr() when + Term :: term(). + +anno_from_term(Term) -> + map_anno(fun erl_anno:from_term/1, Term). + +%% Forms. +%% Recognize what sys_pre_expand does: +modify_anno1({'fun',A,F,{_,_,_}=Id}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {F1,Ac2} = modify_anno1(F, Ac1, Mf), + {{'fun',A1,F1,Id},Ac2}; +modify_anno1({named_fun,A,N,F,{_,_,_}=Id}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {F1,Ac2} = modify_anno1(F, Ac1, Mf), + {{named_fun,A1,N,F1,Id},Ac2}; +modify_anno1({attribute,A,N,[V]}, Ac, Mf) -> + {{attribute,A1,N1,V1},Ac1} = modify_anno1({attribute,A,N,V}, Ac, Mf), + {{attribute,A1,N1,[V1]},Ac1}; +%% End of sys_pre_expand special forms. +modify_anno1({function,F,A}, Ac, _Mf) -> + {{function,F,A},Ac}; +modify_anno1({function,M,F,A}, Ac, Mf) -> + {M1,Ac1} = modify_anno1(M, Ac, Mf), + {F1,Ac2} = modify_anno1(F, Ac1, Mf), + {A1,Ac3} = modify_anno1(A, Ac2, Mf), + {{function,M1,F1,A1},Ac3}; +modify_anno1({attribute,A,record,{Name,Fields}}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {Fields1,Ac2} = modify_anno1(Fields, Ac1, Mf), + {{attribute,A1,record,{Name,Fields1}},Ac2}; +modify_anno1({attribute,A,spec,{Fun,Types}}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {Types1,Ac2} = modify_anno1(Types, Ac1, Mf), + {{attribute,A1,spec,{Fun,Types1}},Ac2}; +modify_anno1({attribute,A,callback,{Fun,Types}}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {Types1,Ac2} = modify_anno1(Types, Ac1, Mf), + {{attribute,A1,callback,{Fun,Types1}},Ac2}; +modify_anno1({attribute,A,type,{TypeName,TypeDef,Args}}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {TypeDef1,Ac2} = modify_anno1(TypeDef, Ac1, Mf), + {Args1,Ac3} = modify_anno1(Args, Ac2, Mf), + {{attribute,A1,type,{TypeName,TypeDef1,Args1}},Ac3}; +modify_anno1({attribute,A,opaque,{TypeName,TypeDef,Args}}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {TypeDef1,Ac2} = modify_anno1(TypeDef, Ac1, Mf), + {Args1,Ac3} = modify_anno1(Args, Ac2, Mf), + {{attribute,A1,opaque,{TypeName,TypeDef1,Args1}},Ac3}; +modify_anno1({attribute,A,Attr,Val}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {{attribute,A1,Attr,Val},Ac1}; +modify_anno1({warning,W}, Ac, _Mf) -> + {{warning,W},Ac}; +modify_anno1({error,W}, Ac, _Mf) -> + {{error,W},Ac}; +%% Expressions. +modify_anno1({clauses,Cs}, Ac, Mf) -> + {Cs1,Ac1} = modify_anno1(Cs, Ac, Mf), + {{clauses,Cs1},Ac1}; +modify_anno1({typed_record_field,Field,Type}, Ac, Mf) -> + {Field1,Ac1} = modify_anno1(Field, Ac, Mf), + {Type1,Ac2} = modify_anno1(Type, Ac1, Mf), + {{typed_record_field,Field1,Type1},Ac2}; +modify_anno1({Tag,A}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {{Tag,A1},Ac1}; +modify_anno1({Tag,A,E1}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {E11,Ac2} = modify_anno1(E1, Ac1, Mf), + {{Tag,A1,E11},Ac2}; +modify_anno1({Tag,A,E1,E2}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {E11,Ac2} = modify_anno1(E1, Ac1, Mf), + {E21,Ac3} = modify_anno1(E2, Ac2, Mf), + {{Tag,A1,E11,E21},Ac3}; +modify_anno1({bin_element,A,E1,E2,TSL}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {E11,Ac2} = modify_anno1(E1, Ac1, Mf), + {E21,Ac3} = modify_anno1(E2, Ac2, Mf), + {{bin_element,A1,E11,E21, TSL},Ac3}; +modify_anno1({Tag,A,E1,E2,E3}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {E11,Ac2} = modify_anno1(E1, Ac1, Mf), + {E21,Ac3} = modify_anno1(E2, Ac2, Mf), + {E31,Ac4} = modify_anno1(E3, Ac3, Mf), + {{Tag,A1,E11,E21,E31},Ac4}; +modify_anno1({Tag,A,E1,E2,E3,E4}, Ac, Mf) -> + {A1,Ac1} = Mf(A, Ac), + {E11,Ac2} = modify_anno1(E1, Ac1, Mf), + {E21,Ac3} = modify_anno1(E2, Ac2, Mf), + {E31,Ac4} = modify_anno1(E3, Ac3, Mf), + {E41,Ac5} = modify_anno1(E4, Ac4, Mf), + {{Tag,A1,E11,E21,E31,E41},Ac5}; +modify_anno1([H|T], Ac, Mf) -> + {H1,Ac1} = modify_anno1(H, Ac, Mf), + {T1,Ac2} = modify_anno1(T, Ac1, Mf), + {[H1|T1],Ac2}; +modify_anno1([], Ac, _Mf) -> {[],Ac}; +modify_anno1(E, Ac, _Mf) when not is_tuple(E), not is_list(E) -> {E,Ac}. + %% vim: ft=erlang diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl index 1fd6d2a8df..623a29f923 100644 --- a/lib/stdlib/src/erl_pp.erl +++ b/lib/stdlib/src/erl_pp.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -22,7 +22,7 @@ %%% the parser. It does not always produce pretty code. -export([form/1,form/2, - attribute/1,attribute/2,function/1,function/2,rule/1,rule/2, + attribute/1,attribute/2,function/1,function/2, guard/1,guard/2,exprs/1,exprs/2,exprs/3,expr/1,expr/2,expr/3,expr/4]). -import(lists, [append/1,foldr/3,mapfoldl/3,reverse/1,reverse/2]). @@ -46,6 +46,23 @@ -record(options, {hook, encoding, opts}). +%-define(DEBUG, true). + +-ifdef(DEBUG). +-define(TEST(T), + %% Assumes that erl_anno has been compiled with DEBUG=true. + %% erl_pp does not use the annoations, but test it anyway. + %% Note: hooks are not handled. + _ = try + erl_parse:map_anno(fun(A) when is_list(A) -> A end, T) + catch + _:_ -> + erlang:error(badarg, [T]) + end). +-else. +-define(TEST(T), ok). +-endif. + %%% %%% Exported functions %%% @@ -61,6 +78,7 @@ form(Thing) -> Options :: options()). form(Thing, Options) -> + ?TEST(Thing), State = state(Options), frmt(lform(Thing, options(Options), State), State). @@ -75,6 +93,7 @@ attribute(Thing) -> Options :: options()). attribute(Thing, Options) -> + ?TEST(Thing), State = state(Options), frmt(lattribute(Thing, options(Options), State), State). @@ -89,14 +108,9 @@ function(F) -> Options :: options()). function(F, Options) -> + ?TEST(F), frmt(lfunction(F, options(Options)), state(Options)). -rule(R) -> - rule(R, none). - -rule(R, Options) -> - frmt(lrule(R, options(Options)), state(Options)). - -spec(guard(Guard) -> io_lib:chars() when Guard :: [erl_parse:abstract_expr()]). @@ -108,6 +122,7 @@ guard(Gs) -> Options :: options()). guard(Gs, Options) -> + ?TEST(Gs), frmt(lguard(Gs, options(Options)), state(Options)). -spec(exprs(Expressions) -> io_lib:chars() when @@ -129,12 +144,14 @@ exprs(Es, Options) -> Options :: options()). exprs(Es, I, Options) -> + ?TEST(Es), frmt({seq,[],[],[$,],lexprs(Es, options(Options))}, I, state(Options)). -spec(expr(Expression) -> io_lib:chars() when Expression :: erl_parse:abstract_expr()). expr(E) -> + ?TEST(E), frmt(lexpr(E, 0, options(none)), state(none)). -spec(expr(Expression, Options) -> io_lib:chars() when @@ -142,6 +159,7 @@ expr(E) -> Options :: options()). expr(E, Options) -> + ?TEST(E), frmt(lexpr(E, 0, options(Options)), state(Options)). -spec(expr(Expression, Indent, Options) -> io_lib:chars() when @@ -150,6 +168,7 @@ expr(E, Options) -> Options :: options()). expr(E, I, Options) -> + ?TEST(E), frmt(lexpr(E, 0, options(Options)), I, state(Options)). -spec(expr(Expression, Indent, Precedence, Options) -> io_lib:chars() when @@ -159,6 +178,7 @@ expr(E, I, Options) -> Options :: options()). expr(E, I, P, Options) -> + ?TEST(E), frmt(lexpr(E, P, options(Options)), I, state(Options)). %%% @@ -199,8 +219,6 @@ lform({attribute,Line,Name,Arg}, Opts, State) -> lattribute({attribute,Line,Name,Arg}, Opts, State); lform({function,Line,Name,Arity,Clauses}, Opts, _State) -> lfunction({function,Line,Name,Arity,Clauses}, Opts); -lform({rule,Line,Name,Arity,Clauses}, Opts, _State) -> - lrule({rule,Line,Name,Arity,Clauses}, Opts); %% These are specials to make it easier for the compiler. lform({error,E}, _Opts, _State) -> leaf(format("~p\n", [{error,E}])); @@ -221,28 +239,37 @@ lattribute({attribute,_Line,Name,Arg}, Opts, State) -> [lattribute(Name, Arg, Opts, State),leaf(".\n")]. lattribute(module, {M,Vs}, _Opts, _State) -> - attr("module",[{var,0,pname(M)}, - foldr(fun(V, C) -> {cons,0,{var,0,V},C} - end, {nil,0}, Vs)]); + A = a0(), + attr("module",[{var,A,pname(M)}, + foldr(fun(V, C) -> {cons,A,{var,A,V},C} + end, {nil,A}, Vs)]); lattribute(module, M, _Opts, _State) -> - attr("module", [{var,0,pname(M)}]); + attr("module", [{var,a0(),pname(M)}]); lattribute(export, Falist, _Opts, _State) -> - call({var,0,"-export"}, [falist(Falist)], 0, options(none)); + call({var,a0(),"-export"}, [falist(Falist)], 0, options(none)); lattribute(import, Name, _Opts, _State) when is_list(Name) -> - attr("import", [{var,0,pname(Name)}]); + attr("import", [{var,a0(),pname(Name)}]); lattribute(import, {From,Falist}, _Opts, _State) -> - attr("import",[{var,0,pname(From)},falist(Falist)]); + attr("import",[{var,a0(),pname(From)},falist(Falist)]); +lattribute(optional_callbacks, Falist, Opts, _State) -> + ArgL = try falist(Falist) + catch _:_ -> abstract(Falist, Opts) + end, + call({var,a0(),"-optional_callbacks"}, [ArgL], 0, options(none)); lattribute(file, {Name,Line}, _Opts, State) -> - attr("file", [{var,0,(State#pp.string_fun)(Name)},{integer,0,Line}]); + attr("file", [{var,a0(),(State#pp.string_fun)(Name)},{integer,a0(),Line}]); lattribute(record, {Name,Is}, Opts, _State) -> Nl = leaf(format("-record(~w,", [Name])), [{first,Nl,record_fields(Is, Opts)},$)]; -lattribute(Name, Arg, #options{encoding = Encoding}, _State) -> - attr(write(Name), [erl_parse:abstract(Arg, [{encoding,Encoding}])]). +lattribute(Name, Arg, Options, _State) -> + attr(write(Name), [abstract(Arg, Options)]). + +abstract(Arg, #options{encoding = Encoding}) -> + erl_parse:abstract(Arg, [{encoding,Encoding}]). typeattr(Tag, {TypeName,Type,Args}, _Opts) -> {first,leaf("-"++atom_to_list(Tag)++" "), - typed(call({atom,0,TypeName}, Args, 0, options(none)), Type)}. + typed(call({atom,a0(),TypeName}, Args, 0, options(none)), Type)}. ltype({ann_type,_Line,[V,T]}) -> typed(lexpr(V, options(none)), T); @@ -277,6 +304,9 @@ ltype({type,_,'fun',[{type,_,any},_]}=FunType) -> ltype({type,_Line,'fun',[{type,_,product,_},_]}=FunType) -> [fun_type(['fun',$(], FunType),$)]; ltype({type,Line,T,Ts}) -> + %% Compatibility. Before 18.0. + simple_type({atom,Line,T}, Ts); +ltype({user_type,Line,T,Ts}) -> simple_type({atom,Line,T}, Ts); ltype({remote_type,Line,[M,F,Ts]}) -> simple_type({remote,Line,M,F}, Ts); @@ -299,7 +329,7 @@ map_type(Fs) -> map_pair_types(Fs) -> tuple_type(Fs, fun map_pair_type/1). -map_pair_type({type,_Line,map_field_assoc,Ktype,Vtype}) -> +map_pair_type({type,_Line,map_field_assoc,[Ktype,Vtype]}) -> map_assoc_typed(ltype(Ktype), Vtype). map_assoc_typed(B, {type,_,union,Ts}) -> @@ -381,7 +411,7 @@ ltypes(Ts, F) -> [F(T) || T <- Ts]. attr(Name, Args) -> - call({var,0,format("-~s", [Name])}, Args, 0, options(none)). + call({var,a0(),format("-~s", [Name])}, Args, 0, options(none)). pname(['' | As]) -> [$. | pname(As)]; @@ -393,9 +423,10 @@ pname(A) when is_atom(A) -> write(A). falist([]) -> - {nil,0}; + {nil,a0()}; falist([{Name,Arity}|Falist]) -> - {cons,0,{var,0,format("~w/~w", [Name,Arity])},falist(Falist)}. + A = a0(), + {cons,A,{var,A,format("~w/~w", [Name,Arity])},falist(Falist)}. lfunction({function,_Line,Name,_Arity,Cs}, Opts) -> Cll = nl_clauses(fun (C, H) -> func_clause(Name, C, H) end, $;, Opts, Cs), @@ -407,19 +438,6 @@ func_clause(Name, {clause,Line,Head,Guard,Body}, Opts) -> Bl = body(Body, Opts), {step,Gl,Bl}. -lrule({rule,_Line,Name,_Arity,Cs}, Opts) -> - Cll = nl_clauses(fun (C, H) -> rule_clause(Name, C, H) end, $;, Opts, Cs), - [Cll,leaf(".\n")]. - -rule_clause(Name, {clause,Line,Head,Guard,Body}, Opts) -> - Hl = call({atom,Line,Name}, Head, 0, Opts), - Gl = guard_when(Hl, Guard, Opts, leaf(" :-")), - Bl = rule_body(Body, Opts), - {step,Gl,Bl}. - -rule_body(Es, Opts) -> - lc_quals(Es, Opts). - guard_when(Before, Guard, Opts) -> guard_when(Before, Guard, Opts, ' ->'). @@ -1121,6 +1139,9 @@ write_char(C, PP) -> %% Utilities %% +a0() -> + erl_anno:new(0). + chars_size([C | Es]) when is_integer(C) -> 1 + chars_size(Es); chars_size([E | Es]) -> diff --git a/lib/stdlib/src/erl_scan.erl b/lib/stdlib/src/erl_scan.erl index 6fd6bb888b..5e7cc5f6d6 100644 --- a/lib/stdlib/src/erl_scan.erl +++ b/lib/stdlib/src/erl_scan.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -55,6 +55,15 @@ token_info/1,token_info/2, attributes_info/1,attributes_info/2,set_attribute/3]). +-export([column/1,end_location/1,line/1,location/1,text/1, + category/1,symbol/1]). + +-deprecated([{attributes_info, 1, next_major_release}, + {attributes_info, 2, next_major_release}, + {set_attribute, 3, next_major_release}, + {token_info, 1, next_major_release}, + {token_info, 2, next_major_release}]). + %%% Private -export([continuation_location/1]). @@ -78,9 +87,9 @@ -define(SETATTRFUN(F), is_function(F, 1)). -type category() :: atom(). --type column() :: pos_integer(). --type line() :: integer(). --type location() :: line() | {line(),column()}. +-type column() :: pos_integer(). % Deprecated +-type line() :: integer(). % Deprecated +-type location() :: line() | {line(),column()}. % Deprecated -type resword_fun() :: fun((atom()) -> boolean()). -type option() :: 'return' | 'return_white_spaces' | 'return_comments' | 'text' | {'reserved_word_fun', resword_fun()}. @@ -197,6 +206,56 @@ continuation_location({erl_scan_continuation,_,no_col,_,Line,_,_,_}) -> continuation_location({erl_scan_continuation,_,Col,_,Line,_,_,_}) -> {Line,Col}. +-spec column(Token) -> erl_anno:column() | 'undefined' when + Token :: token(). + +column(Token) -> + erl_anno:column(element(2, Token)). + +-spec end_location(Token) -> erl_anno:location() | 'undefined' when + Token :: token(). + +end_location(Token) -> + erl_anno:end_location(element(2, Token)). + +-spec line(Token) -> erl_anno:line() when + Token :: token(). + +line(Token) -> + erl_anno:line(element(2, Token)). + +-spec location(Token) -> erl_anno:location() when + Token :: token(). + +location(Token) -> + erl_anno:location(element(2, Token)). + +-spec text(Token) -> erl_anno:text() | 'undefined' when + Token :: token(). + +text(Token) -> + erl_anno:text(element(2, Token)). + +-spec category(Token) -> category() when + Token :: token(). + +category({Category,_Anno}) -> + Category; +category({Category,_Anno,_Symbol}) -> + Category; +category(T) -> + erlang:error(badarg, [T]). + +-spec symbol(Token) -> symbol() when + Token :: token(). + +symbol({Category,_Anno}) -> + Category; +symbol({_Category,_Anno,Symbol}) -> + Symbol; +symbol(T) -> + erlang:error(badarg, [T]). + -type attribute_item() :: 'column' | 'length' | 'line' | 'location' | 'text'. -type info_location() :: location() | term(). @@ -276,7 +335,17 @@ attributes_info({Line,Column}, column=Item) when ?ALINE(Line), attributes_info(Line, column) when ?ALINE(Line) -> undefined; attributes_info(Attrs, column=Item) -> - attr_info(Attrs, Item); + case attr_info(Attrs, Item) of + undefined -> + case erl_anno:column(Attrs) of + undefined -> + undefined; + Column -> + {Item,Column} + end; + T -> + T + end; attributes_info(Attrs, length=Item) -> case attributes_info(Attrs, text) of undefined -> @@ -290,14 +359,26 @@ attributes_info({Line,Column}, line=Item) when ?ALINE(Line), ?COLUMN(Column) -> {Item,Line}; attributes_info(Attrs, line=Item) -> - attr_info(Attrs, Item); + case attr_info(Attrs, Item) of + undefined -> + case attr_info(Attrs, location) of + {location,{Line,_Column}} -> + {Item,Line}; + {location,Line} -> + {Item,Line}; + undefined -> + undefined + end; + T -> + T + end; attributes_info({Line,Column}=Location, location=Item) when ?ALINE(Line), ?COLUMN(Column) -> {Item,Location}; attributes_info(Line, location=Item) when ?ALINE(Line) -> {Item,Line}; attributes_info(Attrs, location=Item) -> - {line,Line} = attributes_info(Attrs, line), % assume line is present + {line,Line} = attributes_info(Attrs, line), case attributes_info(Attrs, column) of undefined -> %% If set_attribute() has assigned a term such as {17,42} @@ -419,12 +500,28 @@ set_attr(line, {Line,Column}, Fun) when ?ALINE(Line), ?COLUMN(Column) -> [{line,Ln},{column,Column}] end; set_attr(line=Tag, Attrs, Fun) when is_list(Attrs) -> - {line,Line} = lists:keyfind(Tag, 1, Attrs), - case lists:keyreplace(Tag, 1, Attrs, {line,Fun(Line)}) of - [{line,Ln}] when ?ALINE(Ln) -> - Ln; - As -> - As + case lists:keyfind(Tag, 1, Attrs) of + {line,Line} -> + case lists:keyreplace(Tag, 1, Attrs, {line,Fun(Line)}) of + [{line,Ln}] when ?ALINE(Ln) -> + Ln; + As -> + As + end; + false -> + {location, Location} = lists:keyfind(location, 1, Attrs), + Ln = case Location of + {Line,Column} when ?ALINE(Line), ?COLUMN(Column) -> + {Fun(Line),Column}; + _ -> + Fun(Location) + end, + case lists:keyreplace(location, 1, Attrs, {location,Ln}) of + [{location,Ln}] when ?ALINE(Ln) -> + Ln; + As -> + As + end end; set_attr(T1, T2, T3) -> erlang:error(badarg, [T1,T2,T3]). @@ -599,9 +696,6 @@ scan1("|"=Cs, _St, Line, Col, Toks) -> %% := scan1(":="++Cs, St, Line, Col, Toks) -> tok2(Cs, St, Line, Col, Toks, ":=", ':=', 2); -%% :- -scan1(":-"++Cs, St, Line, Col, Toks) -> - tok2(Cs, St, Line, Col, Toks, ":-", ':-', 2); %% :: for typed records scan1("::"++Cs, St, Line, Col, Toks) -> tok2(Cs, St, Line, Col, Toks, "::", '::', 2); @@ -711,17 +805,17 @@ scan_name(Cs, Ncs) -> -define(STR(St, S), if St#erl_scan.text -> S; true -> [] end). scan_dot([$%|_]=Cs, St, Line, Col, Toks, Ncs) -> - Attrs = attributes(Line, Col, St, Ncs), - {ok,[{dot,Attrs}|Toks],Cs,Line,incr_column(Col, 1)}; + Anno = anno(Line, Col, St, Ncs), + {ok,[{dot,Anno}|Toks],Cs,Line,incr_column(Col, 1)}; scan_dot([$\n=C|Cs], St, Line, Col, Toks, Ncs) -> - Attrs = attributes(Line, Col, St, ?STR(St, Ncs++[C])), - {ok,[{dot,Attrs}|Toks],Cs,Line+1,new_column(Col, 1)}; + Anno = anno(Line, Col, St, ?STR(St, Ncs++[C])), + {ok,[{dot,Anno}|Toks],Cs,Line+1,new_column(Col, 1)}; scan_dot([C|Cs], St, Line, Col, Toks, Ncs) when ?WHITE_SPACE(C) -> - Attrs = attributes(Line, Col, St, ?STR(St, Ncs++[C])), - {ok,[{dot,Attrs}|Toks],Cs,Line,incr_column(Col, 2)}; + Anno = anno(Line, Col, St, ?STR(St, Ncs++[C])), + {ok,[{dot,Anno}|Toks],Cs,Line,incr_column(Col, 2)}; scan_dot(eof=Cs, St, Line, Col, Toks, Ncs) -> - Attrs = attributes(Line, Col, St, Ncs), - {ok,[{dot,Attrs}|Toks],Cs,Line,incr_column(Col, 1)}; + Anno = anno(Line, Col, St, Ncs), + {ok,[{dot,Anno}|Toks],Cs,Line,incr_column(Col, 1)}; scan_dot(Cs, St, Line, Col, Toks, Ncs) -> tok2(Cs, St, Line, Col, Toks, Ncs, '.', 1). @@ -776,12 +870,12 @@ scan_nl_tabs(Cs, St, Line, Col, Toks, N) -> %% stop anyway, nothing is gained by not collecting all white spaces. scan_nl_white_space([$\n|Cs], #erl_scan{text = false}=St, Line, no_col=Col, Toks0, Ncs) -> - Toks = [{white_space,Line,lists:reverse(Ncs)}|Toks0], + Toks = [{white_space,anno(Line),lists:reverse(Ncs)}|Toks0], scan_newline(Cs, St, Line+1, Col, Toks); scan_nl_white_space([$\n|Cs], St, Line, Col, Toks, Ncs0) -> Ncs = lists:reverse(Ncs0), - Attrs = attributes(Line, Col, St, Ncs), - Token = {white_space,Attrs,Ncs}, + Anno = anno(Line, Col, St, Ncs), + Token = {white_space,Anno,Ncs}, scan_newline(Cs, St, Line+1, new_column(Col, length(Ncs)), [Token|Toks]); scan_nl_white_space([C|Cs], St, Line, Col, Toks, Ncs) when ?WHITE_SPACE(C) -> scan_nl_white_space(Cs, St, Line, Col, Toks, [C|Ncs]); @@ -789,19 +883,20 @@ scan_nl_white_space([]=Cs, _St, Line, Col, Toks, Ncs) -> {more,{Cs,Col,Toks,Line,Ncs,fun scan_nl_white_space/6}}; scan_nl_white_space(Cs, #erl_scan{text = false}=St, Line, no_col=Col, Toks, Ncs) -> - scan1(Cs, St, Line+1, Col, [{white_space,Line,lists:reverse(Ncs)}|Toks]); + Anno = anno(Line), + scan1(Cs, St, Line+1, Col, [{white_space,Anno,lists:reverse(Ncs)}|Toks]); scan_nl_white_space(Cs, St, Line, Col, Toks, Ncs0) -> Ncs = lists:reverse(Ncs0), - Attrs = attributes(Line, Col, St, Ncs), - Token = {white_space,Attrs,Ncs}, + Anno = anno(Line, Col, St, Ncs), + Token = {white_space,Anno,Ncs}, scan1(Cs, St, Line+1, new_column(Col, length(Ncs)), [Token|Toks]). newline_end(Cs, #erl_scan{text = false}=St, Line, no_col=Col, Toks, _N, Ncs) -> - scan1(Cs, St, Line+1, Col, [{white_space,Line,Ncs}|Toks]); + scan1(Cs, St, Line+1, Col, [{white_space,anno(Line),Ncs}|Toks]); newline_end(Cs, St, Line, Col, Toks, N, Ncs) -> - Attrs = attributes(Line, Col, St, Ncs), - scan1(Cs, St, Line+1, new_column(Col, N), [{white_space,Attrs,Ncs}|Toks]). + Anno = anno(Line, Col, St, Ncs), + scan1(Cs, St, Line+1, new_column(Col, N), [{white_space,Anno,Ncs}|Toks]). scan_spcs([$\s|Cs], St, Line, Col, Toks, N) when N < 16 -> scan_spcs(Cs, St, Line, Col, Toks, N+1); @@ -850,20 +945,20 @@ scan_char([$\\|Cs]=Cs0, St, Line, Col, Toks) -> {eof,Ncol} -> scan_error(char, Line, Col, Line, Ncol, eof); {nl,Val,Str,Ncs,Ncol} -> - Attrs = attributes(Line, Col, St, ?STR(St, "$\\"++Str)), %" - Ntoks = [{char,Attrs,Val}|Toks], + Anno = anno(Line, Col, St, ?STR(St, "$\\"++Str)), %" + Ntoks = [{char,Anno,Val}|Toks], scan1(Ncs, St, Line+1, Ncol, Ntoks); {Val,Str,Ncs,Ncol} -> - Attrs = attributes(Line, Col, St, ?STR(St, "$\\"++Str)), %" - Ntoks = [{char,Attrs,Val}|Toks], + Anno = anno(Line, Col, St, ?STR(St, "$\\"++Str)), %" + Ntoks = [{char,Anno,Val}|Toks], scan1(Ncs, St, Line, Ncol, Ntoks) end; scan_char([$\n=C|Cs], St, Line, Col, Toks) -> - Attrs = attributes(Line, Col, St, ?STR(St, [$$,C])), - scan1(Cs, St, Line+1, new_column(Col, 1), [{char,Attrs,C}|Toks]); + Anno = anno(Line, Col, St, ?STR(St, [$$,C])), + scan1(Cs, St, Line+1, new_column(Col, 1), [{char,Anno,C}|Toks]); scan_char([C|Cs], St, Line, Col, Toks) when ?UNICODE(C) -> - Attrs = attributes(Line, Col, St, ?STR(St, [$$,C])), - scan1(Cs, St, Line, incr_column(Col, 2), [{char,Attrs,C}|Toks]); + Anno = anno(Line, Col, St, ?STR(St, [$$,C])), + scan1(Cs, St, Line, incr_column(Col, 2), [{char,Anno,C}|Toks]); scan_char([C|_Cs], _St, Line, Col, _Toks) when ?CHAR(C) -> scan_error({illegal,character}, Line, Col, Line, incr_column(Col, 1), eof); scan_char([], _St, Line, Col, Toks) -> @@ -882,8 +977,8 @@ scan_string(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0}) -> Estr = string:substr(Nwcs, 1, 16), % Expanded escape chars. scan_error({string,$\",Estr}, Line0, Col0, Nline, Ncol, Ncs); %" {Ncs,Nline,Ncol,Nstr,Nwcs} -> - Attrs = attributes(Line0, Col0, St, Nstr), - scan1(Ncs, St, Nline, Ncol, [{string,Attrs,Nwcs}|Toks]) + Anno = anno(Line0, Col0, St, Nstr), + scan1(Ncs, St, Nline, Ncol, [{string,Anno,Nwcs}|Toks]) end. scan_qatom(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0}) -> @@ -899,8 +994,8 @@ scan_qatom(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0}) -> {Ncs,Nline,Ncol,Nstr,Nwcs} -> case catch list_to_atom(Nwcs) of A when is_atom(A) -> - Attrs = attributes(Line0, Col0, St, Nstr), - scan1(Ncs, St, Nline, Ncol, [{atom,Attrs,A}|Toks]); + Anno = anno(Line0, Col0, St, Nstr), + scan1(Ncs, St, Nline, Ncol, [{atom,Anno,A}|Toks]); _ -> scan_error({illegal,atom}, Line0, Col0, Nline, Ncol, Ncs) end @@ -1176,28 +1271,28 @@ scan_comment(Cs, St, Line, Col, Toks, Ncs0) -> tok3(Cs, St, Line, Col, Toks, comment, Ncs, Ncs). tok2(Cs, #erl_scan{text = false}=St, Line, no_col=Col, Toks, _Wcs, P) -> - scan1(Cs, St, Line, Col, [{P,Line}|Toks]); + scan1(Cs, St, Line, Col, [{P,anno(Line)}|Toks]); tok2(Cs, St, Line, Col, Toks, Wcs, P) -> - Attrs = attributes(Line, Col, St, Wcs), - scan1(Cs, St, Line, incr_column(Col, length(Wcs)), [{P,Attrs}|Toks]). + Anno = anno(Line, Col, St, Wcs), + scan1(Cs, St, Line, incr_column(Col, length(Wcs)), [{P,Anno}|Toks]). tok2(Cs, #erl_scan{text = false}=St, Line, no_col=Col, Toks, _Wcs, P, _N) -> - scan1(Cs, St, Line, Col, [{P,Line}|Toks]); + scan1(Cs, St, Line, Col, [{P,anno(Line)}|Toks]); tok2(Cs, St, Line, Col, Toks, Wcs, P, N) -> - Attrs = attributes(Line, Col, St, Wcs), - scan1(Cs, St, Line, incr_column(Col, N), [{P,Attrs}|Toks]). + Anno = anno(Line, Col, St, Wcs), + scan1(Cs, St, Line, incr_column(Col, N), [{P,Anno}|Toks]). tok3(Cs, #erl_scan{text = false}=St, Line, no_col=Col, Toks, Item, _S, Sym) -> - scan1(Cs, St, Line, Col, [{Item,Line,Sym}|Toks]); + scan1(Cs, St, Line, Col, [{Item,anno(Line),Sym}|Toks]); tok3(Cs, St, Line, Col, Toks, Item, String, Sym) -> - Token = {Item,attributes(Line, Col, St, String),Sym}, + Token = {Item,anno(Line, Col, St, String),Sym}, scan1(Cs, St, Line, incr_column(Col, length(String)), [Token|Toks]). tok3(Cs, #erl_scan{text = false}=St, Line, no_col=Col, Toks, Item, _String, Sym, _Length) -> - scan1(Cs, St, Line, Col, [{Item,Line,Sym}|Toks]); + scan1(Cs, St, Line, Col, [{Item,anno(Line),Sym}|Toks]); tok3(Cs, St, Line, Col, Toks, Item, String, Sym, Length) -> - Token = {Item,attributes(Line, Col, St, String),Sym}, + Token = {Item,anno(Line, Col, St, String),Sym}, scan1(Cs, St, Line, incr_column(Col, Length), [Token|Toks]). scan_error(Error, Line, Col, EndLine, EndCol, Rest) -> @@ -1208,23 +1303,28 @@ scan_error(Error, Line, Col, EndLine, EndCol, Rest) -> scan_error(Error, ErrorLoc, EndLoc, Rest) -> {{error,{ErrorLoc,?MODULE,Error},EndLoc},Rest}. --compile({inline,[attributes/4]}). +-compile({inline,[anno/4]}). -attributes(Line, no_col, #erl_scan{text = false}, _String) -> - Line; -attributes(Line, no_col, #erl_scan{text = true}, String) -> - [{line,Line},{text,String}]; -attributes(Line, Col, #erl_scan{text = false}, _String) -> - {Line,Col}; -attributes(Line, Col, #erl_scan{text = true}, String) -> - [{line,Line},{column,Col},{text,String}]. +anno(Line, no_col, #erl_scan{text = false}, _String) -> + anno(Line); +anno(Line, no_col, #erl_scan{text = true}, String) -> + Anno = anno(Line), + erl_anno:set_text(String, Anno); +anno(Line, Col, #erl_scan{text = false}, _String) -> + anno({Line, Col}); +anno(Line, Col, #erl_scan{text = true}, String) -> + Anno = anno({Line, Col}), + erl_anno:set_text(String, Anno). location(Line, no_col) -> Line; location(Line, Col) when is_integer(Col) -> {Line,Col}. --compile({inline,[incr_column/2,new_column/2]}). +-compile({inline,[anno/1,incr_column/2,new_column/2]}). + +anno(Location) -> + erl_anno:new(Location). incr_column(no_col=Col, _N) -> Col; diff --git a/lib/stdlib/src/erl_tar.erl b/lib/stdlib/src/erl_tar.erl index caa3276d09..72bd54fa29 100644 --- a/lib/stdlib/src/erl_tar.erl +++ b/lib/stdlib/src/erl_tar.erl @@ -300,7 +300,7 @@ format_error(Term) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% add1(TarFile, Bin, NameInArchive, Opts) when is_binary(Bin) -> - Now = calendar:now_to_local_time(now()), + Now = calendar:now_to_local_time(erlang:timestamp()), Info = #file_info{size = byte_size(Bin), type = regular, access = read_write, diff --git a/lib/stdlib/src/escript.erl b/lib/stdlib/src/escript.erl index 6bd0eb8a22..f0827009a5 100644 --- a/lib/stdlib/src/escript.erl +++ b/lib/stdlib/src/escript.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2014. All Rights Reserved. +%% Copyright Ericsson AB 2007-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -620,12 +620,13 @@ parse_source(S, File, Fd, StartLine, HeaderSz, CheckOnly) -> {ok, {attribute,_, module, M} = Form} -> epp_parse_file(Epp, S2#state{module = M}, [Form, FileForm]); {ok, _} -> - ModForm = {attribute,1,module, Module}, + ModForm = {attribute,a1(),module, Module}, epp_parse_file2(Epp, S2, [ModForm, FileForm], OptModRes); {error, _} -> epp_parse_file2(Epp, S2, [FileForm], OptModRes); - {eof, _LastLine} = Eof -> - S#state{forms_or_bin = [FileForm, Eof]} + {eof, LastLine} -> + Anno = anno(LastLine), + S#state{forms_or_bin = [FileForm, {eof, Anno}]} end, ok = epp:close(Epp), ok = file:close(Fd), @@ -644,7 +645,7 @@ check_source(S, CheckOnly) -> %% Optionally add export of main/1 Forms2 = case ExpMain of - false -> [{attribute,0,export, [{main,1}]} | Forms]; + false -> [{attribute, a0(), export, [{main,1}]} | Forms]; true -> Forms end, Forms3 = [FileForm2, ModForm2 | Forms2], @@ -663,7 +664,8 @@ check_source(S, CheckOnly) -> end. pre_def_macros(File) -> - {MegaSecs, Secs, MicroSecs} = erlang:now(), + {MegaSecs, Secs, MicroSecs} = erlang:timestamp(), + Unique = erlang:unique_integer([positive]), Replace = fun(Char) -> case Char of $\. -> $\_; @@ -675,8 +677,9 @@ pre_def_macros(File) -> CleanBase ++ "__" ++ "escript__" ++ integer_to_list(MegaSecs) ++ "__" ++ - integer_to_list(Secs) ++ "__" ++ - integer_to_list(MicroSecs), + integer_to_list(Secs) ++ "__" ++ + integer_to_list(MicroSecs) ++ "__" ++ + integer_to_list(Unique), Module = list_to_atom(ModuleStr), PreDefMacros = [{'MODULE', Module, redefine}, {'MODULE_STRING', ModuleStr, redefine}], @@ -720,8 +723,9 @@ epp_parse_file2(Epp, S, Forms, Parsed) -> io:format("~ts:~w: ~ts\n", [S#state.file,Ln,Mod:format_error(Args)]), epp_parse_file(Epp, S#state{n_errors = S#state.n_errors + 1}, [Form | Forms]); - {eof, _LastLine} = Eof -> - S#state{forms_or_bin = lists:reverse([Eof | Forms])} + {eof, LastLine} -> + Anno = anno(LastLine), + S#state{forms_or_bin = lists:reverse([{eof, Anno} | Forms])} end. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -776,7 +780,8 @@ interpret(Forms, HasRecs, File, Args) -> end, Dict = parse_to_dict(Forms2), ArgsA = erl_parse:abstract(Args, 0), - Call = {call,0,{atom,0,main},[ArgsA]}, + Anno = a0(), + Call = {call,Anno,{atom,Anno,main},[ArgsA]}, try _ = erl_eval:expr(Call, erl_eval:new_bindings(), @@ -888,6 +893,15 @@ enc() -> Enc -> [Enc] end. +a0() -> + anno(0). + +a1() -> + anno(1). + +anno(L) -> + erl_anno:new(L). + fatal(Str) -> throw(Str). diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl index 93c4f59896..0e2d59d0c3 100644 --- a/lib/stdlib/src/ets.erl +++ b/lib/stdlib/src/ets.erl @@ -71,7 +71,8 @@ rename/2, safe_fixtable/2, select/1, select/2, select/3, select_count/2, select_delete/2, select_reverse/1, select_reverse/2, select_reverse/3, setopts/2, slot/2, - update_counter/3, update_element/3]). + take/2, + update_counter/3, update_counter/4, update_element/3]). -spec all() -> [Tab] when Tab :: tab(). @@ -133,7 +134,9 @@ give_away(_, _, _) -> | {owner, pid()} | {protection, access()} | {size, non_neg_integer()} - | {type, type()}. + | {type, type()} + | {write_concurrency, boolean()} + | {read_concurrency, boolean()}. info(_) -> erlang:nif_error(undef). @@ -142,7 +145,8 @@ info(_) -> Tab :: tab(), Item :: compressed | fixed | heir | keypos | memory | name | named_table | node | owner | protection - | safe_fixed | size | stats | type, + | safe_fixed | size | stats | type + | write_concurrency | read_concurrency, Value :: term(). info(_, _) -> @@ -400,6 +404,14 @@ setopts(_, _) -> slot(_, _) -> erlang:nif_error(undef). +-spec take(Tab, Key) -> [Object] when + Tab :: tab(), + Key :: term(), + Object :: tuple(). + +take(_, _) -> + erlang:nif_error(undef). + -spec update_counter(Tab, Key, UpdateOp) -> Result when Tab :: tab(), Key :: term(), @@ -427,6 +439,38 @@ slot(_, _) -> update_counter(_, _, _) -> erlang:nif_error(undef). +-spec update_counter(Tab, Key, UpdateOp, Default) -> Result when + Tab :: tab(), + Key :: term(), + UpdateOp :: {Pos, Incr} + | {Pos, Incr, Threshold, SetValue}, + Pos :: integer(), + Incr :: integer(), + Threshold :: integer(), + SetValue :: integer(), + Result :: integer(), + Default :: tuple(); + (Tab, Key, [UpdateOp], Default) -> [Result] when + Tab :: tab(), + Key :: term(), + UpdateOp :: {Pos, Incr} + | {Pos, Incr, Threshold, SetValue}, + Pos :: integer(), + Incr :: integer(), + Threshold :: integer(), + SetValue :: integer(), + Result :: integer(), + Default :: tuple(); + (Tab, Key, Incr, Default) -> Result when + Tab :: tab(), + Key :: term(), + Incr :: integer(), + Result :: integer(), + Default :: tuple(). + +update_counter(_, _, _, _) -> + erlang:nif_error(undef). + -spec update_element(Tab, Key, ElementSpec :: {Pos, Value}) -> boolean() when Tab :: tab(), Key :: term(), @@ -695,7 +739,8 @@ do_filter(Tab, Key, F, A, Ack) -> -record(filetab_options, { object_count = false :: boolean(), - md5sum = false :: boolean() + md5sum = false :: boolean(), + sync = false :: boolean() }). -spec tab2file(Tab, Filename) -> 'ok' | {'error', Reason} when @@ -710,7 +755,7 @@ tab2file(Tab, File) -> Tab :: tab(), Filename :: file:name(), Options :: [Option], - Option :: {'extended_info', [ExtInfo]}, + Option :: {'extended_info', [ExtInfo]} | {'sync', boolean()}, ExtInfo :: 'md5sum' | 'object_count', Reason :: term(). @@ -791,6 +836,15 @@ tab2file(Tab, File, Options) -> List -> LogFun(NewState1,[['$end_of_table',List]]) end, + case FtOptions#filetab_options.sync of + true -> + case disk_log:sync(Name) of + ok -> ok; + {error, Reason2} -> throw(Reason2) + end; + false -> + ok + end, disk_log:close(Name) catch throw:TReason -> @@ -843,23 +897,24 @@ md5terms(State, [H|T]) -> {FinState, [B|TL]}. parse_ft_options(Options) when is_list(Options) -> - {Opt,Rest} = case (catch lists:keytake(extended_info,1,Options)) of - false -> - {[],Options}; - {value,{extended_info,L},R} when is_list(L) -> - {L,R} - end, - case Rest of - [] -> - parse_ft_info_options(#filetab_options{}, Opt); - Other -> - throw({unknown_option, Other}) - end; -parse_ft_options(Malformed) -> + {ok, parse_ft_options(Options, #filetab_options{}, false)}. + +parse_ft_options([], FtOpt, _) -> + FtOpt; +parse_ft_options([{sync,true} | Rest], FtOpt, EI) -> + parse_ft_options(Rest, FtOpt#filetab_options{sync = true}, EI); +parse_ft_options([{sync,false} | Rest], FtOpt, EI) -> + parse_ft_options(Rest, FtOpt, EI); +parse_ft_options([{extended_info,L} | Rest], FtOpt0, false) -> + FtOpt1 = parse_ft_info_options(FtOpt0, L), + parse_ft_options(Rest, FtOpt1, true); +parse_ft_options([Other | _], _, _) -> + throw({unknown_option, Other}); +parse_ft_options(Malformed, _, _) -> throw({malformed_option, Malformed}). parse_ft_info_options(FtOpt,[]) -> - {ok,FtOpt}; + FtOpt; parse_ft_info_options(FtOpt,[object_count | T]) -> parse_ft_info_options(FtOpt#filetab_options{object_count = true}, T); parse_ft_info_options(FtOpt,[md5sum | T]) -> diff --git a/lib/stdlib/src/file_sorter.erl b/lib/stdlib/src/file_sorter.erl index 687d72b4bd..61b489513a 100644 --- a/lib/stdlib/src/file_sorter.erl +++ b/lib/stdlib/src/file_sorter.erl @@ -1425,8 +1425,8 @@ tmp_prefix1(Dir, TmpDirOpt) -> U = "_", Node = node(), Pid = os:getpid(), - {MSecs,Secs,MySecs} = now(), - F = lists:concat(["fs_",Node,U,Pid,U,MSecs,U,Secs,U,MySecs,"."]), + Unique = erlang:unique_integer([positive]), + F = lists:concat(["fs_",Node,U,Pid,U,Unique,"."]), TmpDir = case TmpDirOpt of default -> Dir; diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl index e6bde5673c..68bd4f71cc 100644 --- a/lib/stdlib/src/filename.erl +++ b/lib/stdlib/src/filename.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -444,6 +444,8 @@ join1([], RelativeName, [$:|Rest], win32) -> join1(RelativeName, [], [$:|Rest], win32); join1([], RelativeName, [$/|Result], OsType) -> join1(RelativeName, [], [$/|Result], OsType); +join1([], RelativeName, [$., $/|Result], OsType) -> + join1(RelativeName, [], [$/|Result], OsType); join1([], RelativeName, Result, OsType) -> join1(RelativeName, [], [$/|Result], OsType); join1([[_|_]=List|Rest], RelativeName, Result, OsType) -> @@ -470,6 +472,8 @@ join1b(<<>>, RelativeName, [$:|Rest], win32) -> join1b(RelativeName, <<>>, [$:|Rest], win32); join1b(<<>>, RelativeName, [$/|Result], OsType) -> join1b(RelativeName, <<>>, [$/|Result], OsType); +join1b(<<>>, RelativeName, [$., $/|Result], OsType) -> + join1b(RelativeName, <<>>, [$/|Result], OsType); join1b(<<>>, RelativeName, Result, OsType) -> join1b(RelativeName, <<>>, [$/|Result], OsType); join1b(<<Char,Rest/binary>>, RelativeName, Result, OsType) when is_integer(Char) -> @@ -644,7 +648,7 @@ split(Name0) -> unix_splitb(Name) -> L = binary:split(Name,[<<"/">>],[global]), LL = case L of - [<<>>|Rest] -> + [<<>>|Rest] when Rest =/= [] -> [<<"/">>|Rest]; _ -> L diff --git a/lib/stdlib/src/gb_sets.erl b/lib/stdlib/src/gb_sets.erl index 0a26d0182d..d3fbd542f7 100644 --- a/lib/stdlib/src/gb_sets.erl +++ b/lib/stdlib/src/gb_sets.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2014. All Rights Reserved. +%% Copyright Ericsson AB 2001-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -137,6 +137,10 @@ %% approach is that it does not require the complete list of all %% elements to be built in memory at one time. %% +%% - iterator_from(X, S): returns an iterator that can be used for +%% traversing the elements of set S greater than or equal to X; +%% see `next'. +%% %% - next(T): returns {X, T1} where X is the smallest element referred %% to by the iterator T, and T1 is the new iterator to be used for %% traversing the remaining elements, or the atom `none' if no @@ -157,8 +161,8 @@ insert/2, add/2, delete/2, delete_any/2, balance/1, union/2, union/1, intersection/2, intersection/1, is_disjoint/2, difference/2, is_subset/2, to_list/1, from_list/1, from_ordset/1, smallest/1, - largest/1, take_smallest/1, take_largest/1, iterator/1, next/1, - filter/2, fold/3, is_set/1]). + largest/1, take_smallest/1, take_largest/1, iterator/1, + iterator_from/2, next/1, filter/2, fold/3, is_set/1]). %% `sets' compatibility aliases: @@ -207,21 +211,19 @@ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%%% gb_sets:set() in OTP 17 only. - -spec empty() -> Set when - Set :: gb_sets:set(). + Set :: set(). empty() -> {0, nil}. -spec new() -> Set when - Set :: gb_sets:set(). + Set :: set(). new() -> empty(). -spec is_empty(Set) -> boolean() when - Set :: gb_sets:set(). + Set :: set(). is_empty({0, nil}) -> true; @@ -229,7 +231,7 @@ is_empty(_) -> false. -spec size(Set) -> non_neg_integer() when - Set :: gb_sets:set(). + Set :: set(). size({Size, _}) -> Size. @@ -502,6 +504,22 @@ iterator({_, L, _} = T, As) -> iterator(nil, As) -> As. +-spec iterator_from(Element, Set) -> Iter when + Set :: set(Element), + Iter :: iter(Element). + +iterator_from(S, {_, T}) -> + iterator_from(S, T, []). + +iterator_from(S, {K, _, T}, As) when K < S -> + iterator_from(S, T, As); +iterator_from(_, {_, nil, _} = T, As) -> + [T | As]; +iterator_from(S, {_, L, _} = T, As) -> + iterator_from(S, L, [T | As]); +iterator_from(_, nil, As) -> + As. + -spec next(Iter1) -> {Element, Iter2} | 'none' when Iter1 :: iter(Element), Iter2 :: iter(Element). diff --git a/lib/stdlib/src/gb_trees.erl b/lib/stdlib/src/gb_trees.erl index 7069b61873..259e8f718b 100644 --- a/lib/stdlib/src/gb_trees.erl +++ b/lib/stdlib/src/gb_trees.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2014. All Rights Reserved. +%% Copyright Ericsson AB 2001-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -102,6 +102,10 @@ %% approach is that it does not require the complete list of all %% elements to be built in memory at one time. %% +%% - iterator_from(K, T): returns an iterator that can be used for +%% traversing the entries of tree T with key greater than or +%% equal to K; see `next'. +%% %% - next(S): returns {X, V, S1} where X is the smallest key referred to %% by the iterator S, and S1 is the new iterator to be used for %% traversing the remaining entries, or the atom `none' if no entries @@ -117,7 +121,7 @@ update/3, enter/3, delete/2, delete_any/2, balance/1, is_defined/2, keys/1, values/1, to_list/1, from_orddict/1, smallest/1, largest/1, take_smallest/1, take_largest/1, - iterator/1, next/1, map/2]). + iterator/1, iterator_from/2, next/1, map/2]). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -529,6 +533,29 @@ iterator({_, _, L, _} = T, As) -> iterator(nil, As) -> As. +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +-spec iterator_from(Key, Tree) -> Iter when + Tree :: tree(Key, Value), + Iter :: iter(Key, Value). + +iterator_from(S, {_, T}) -> + iterator_1_from(S, T). + +iterator_1_from(S, T) -> + iterator_from(S, T, []). + +iterator_from(S, {K, _, _, T}, As) when K < S -> + iterator_from(S, T, As); +iterator_from(_, {_, _, nil, _} = T, As) -> + [T | As]; +iterator_from(S, {_, _, L, _} = T, As) -> + iterator_from(S, L, [T | As]); +iterator_from(_, nil, As) -> + As. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + -spec next(Iter1) -> 'none' | {Key, Value, Iter2} when Iter1 :: iter(Key, Value), Iter2 :: iter(Key, Value). diff --git a/lib/stdlib/src/gen.erl b/lib/stdlib/src/gen.erl index 63116fa16e..6d7ca3d75c 100644 --- a/lib/stdlib/src/gen.erl +++ b/lib/stdlib/src/gen.erl @@ -26,7 +26,7 @@ %%% The standard behaviour should export init_it/6. %%%----------------------------------------------------------------- -export([start/5, start/6, debug_options/1, - call/3, call/4, reply/2]). + call/3, call/4, reply/2, stop/1, stop/3]). -export([init_it/6, init_it/7]). @@ -145,56 +145,10 @@ init_it2(GenMod, Starter, Parent, Name, Mod, Args, Options) -> call(Process, Label, Request) -> call(Process, Label, Request, ?default_timeout). -%% Local or remote by pid -call(Pid, Label, Request, Timeout) - when is_pid(Pid), Timeout =:= infinity; - is_pid(Pid), is_integer(Timeout), Timeout >= 0 -> - do_call(Pid, Label, Request, Timeout); -%% Local by name -call(Name, Label, Request, Timeout) - when is_atom(Name), Timeout =:= infinity; - is_atom(Name), is_integer(Timeout), Timeout >= 0 -> - case whereis(Name) of - Pid when is_pid(Pid) -> - do_call(Pid, Label, Request, Timeout); - undefined -> - exit(noproc) - end; -%% Global by name call(Process, Label, Request, Timeout) - when ((tuple_size(Process) == 2 andalso element(1, Process) == global) - orelse - (tuple_size(Process) == 3 andalso element(1, Process) == via)) - andalso - (Timeout =:= infinity orelse (is_integer(Timeout) andalso Timeout >= 0)) -> - case where(Process) of - Pid when is_pid(Pid) -> - Node = node(Pid), - try do_call(Pid, Label, Request, Timeout) - catch - exit:{nodedown, Node} -> - %% A nodedown not yet detected by global, - %% pretend that it was. - exit(noproc) - end; - undefined -> - exit(noproc) - end; -%% Local by name in disguise -call({Name, Node}, Label, Request, Timeout) - when Node =:= node(), Timeout =:= infinity; - Node =:= node(), is_integer(Timeout), Timeout >= 0 -> - call(Name, Label, Request, Timeout); -%% Remote by name -call({_Name, Node}=Process, Label, Request, Timeout) - when is_atom(Node), Timeout =:= infinity; - is_atom(Node), is_integer(Timeout), Timeout >= 0 -> - if - node() =:= nonode@nohost -> - exit({nodedown, Node}); - true -> - do_call(Process, Label, Request, Timeout) - end. + when Timeout =:= infinity; is_integer(Timeout), Timeout >= 0 -> + Fun = fun(Pid) -> do_call(Pid, Label, Request, Timeout) end, + do_for_proc(Process, Fun). do_call(Process, Label, Request, Timeout) -> try erlang:monitor(process, Process) of @@ -276,6 +230,65 @@ reply({To, Tag}, Reply) -> Msg = {Tag, Reply}, try To ! Msg catch _:_ -> Msg end. +%%----------------------------------------------------------------- +%% Syncronously stop a generic process +%%----------------------------------------------------------------- +stop(Process) -> + stop(Process, normal, infinity). + +stop(Process, Reason, Timeout) + when Timeout =:= infinity; is_integer(Timeout), Timeout >= 0 -> + Fun = fun(Pid) -> proc_lib:stop(Pid, Reason, Timeout) end, + do_for_proc(Process, Fun). + +%%----------------------------------------------------------------- +%% Map different specifications of a process to either Pid or +%% {Name,Node}. Execute the given Fun with the process as only +%% argument. +%% ----------------------------------------------------------------- + +%% Local or remote by pid +do_for_proc(Pid, Fun) when is_pid(Pid) -> + Fun(Pid); +%% Local by name +do_for_proc(Name, Fun) when is_atom(Name) -> + case whereis(Name) of + Pid when is_pid(Pid) -> + Fun(Pid); + undefined -> + exit(noproc) + end; +%% Global by name +do_for_proc(Process, Fun) + when ((tuple_size(Process) == 2 andalso element(1, Process) == global) + orelse + (tuple_size(Process) == 3 andalso element(1, Process) == via)) -> + case where(Process) of + Pid when is_pid(Pid) -> + Node = node(Pid), + try Fun(Pid) + catch + exit:{nodedown, Node} -> + %% A nodedown not yet detected by global, + %% pretend that it was. + exit(noproc) + end; + undefined -> + exit(noproc) + end; +%% Local by name in disguise +do_for_proc({Name, Node}, Fun) when Node =:= node() -> + do_for_proc(Name, Fun); +%% Remote by name +do_for_proc({_Name, Node} = Process, Fun) when is_atom(Node) -> + if + node() =:= nonode@nohost -> + exit({nodedown, Node}); + true -> + Fun(Process) + end. + + %%%----------------------------------------------------------------- %%% Misc. functions. %%%----------------------------------------------------------------- diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl index 469acdc37c..5a1fff3a9c 100644 --- a/lib/stdlib/src/gen_event.erl +++ b/lib/stdlib/src/gen_event.erl @@ -31,8 +31,8 @@ %%% Modified by Martin - uses proc_lib, sys and gen! --export([start/0, start/1, start_link/0, start_link/1, stop/1, notify/2, - sync_notify/2, +-export([start/0, start/1, start_link/0, start_link/1, stop/1, stop/3, + notify/2, sync_notify/2, add_handler/3, add_sup_handler/3, delete_handler/3, swap_handler/3, swap_sup_handler/3, which_handlers/1, call/3, call/4, wake_hib/4]). @@ -99,6 +99,14 @@ -callback code_change(OldVsn :: (term() | {down, term()}), State :: term(), Extra :: term()) -> {ok, NewState :: term()}. +-callback format_status(Opt, StatusData) -> Status when + Opt :: 'normal' | 'terminate', + StatusData :: [PDict | State], + PDict :: [{Key :: term(), Value :: term()}], + State :: term(), + Status :: term(). + +-optional_callbacks([format_status/2]). %%--------------------------------------------------------------------------- @@ -183,7 +191,11 @@ swap_sup_handler(M, {H1, A1}, {H2, A2}) -> which_handlers(M) -> rpc(M, which_handlers). -spec stop(emgr_ref()) -> 'ok'. -stop(M) -> rpc(M, stop). +stop(M) -> + gen:stop(M). + +stop(M, Reason, Timeout) -> + gen:stop(M, Reason, Timeout). rpc(M, Cmd) -> {ok, Reply} = gen:call(M, self(), Cmd, infinity), diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl index 5afe3e8b09..89825a6a57 100644 --- a/lib/stdlib/src/gen_fsm.erl +++ b/lib/stdlib/src/gen_fsm.erl @@ -106,6 +106,7 @@ -export([start/3, start/4, start_link/3, start_link/4, + stop/1, stop/3, send_event/2, sync_send_event/2, sync_send_event/3, send_all_state_event/2, sync_send_all_state_event/2, sync_send_all_state_event/3, @@ -160,6 +161,14 @@ -callback code_change(OldVsn :: term() | {down, term()}, StateName :: atom(), StateData :: term(), Extra :: term()) -> {ok, NextStateName :: atom(), NewStateData :: term()}. +-callback format_status(Opt, StatusData) -> Status when + Opt :: 'normal' | 'terminate', + StatusData :: [PDict | State], + PDict :: [{Key :: term(), Value :: term()}], + State :: term(), + Status :: term(). + +-optional_callbacks([format_status/2]). %%% --------------------------------------------------- %%% Starts a generic state machine. @@ -189,6 +198,11 @@ start_link(Mod, Args, Options) -> start_link(Name, Mod, Args, Options) -> gen:start(?MODULE, link, Name, Mod, Args, Options). +stop(Name) -> + gen:stop(Name). + +stop(Name, Reason, Timeout) -> + gen:stop(Name, Reason, Timeout). send_event({global, Name}, Event) -> catch global:send(Name, {'$gen_event', Event}), diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl index 18ef4a2507..b29e40e5f7 100644 --- a/lib/stdlib/src/gen_server.erl +++ b/lib/stdlib/src/gen_server.erl @@ -88,6 +88,7 @@ %% API -export([start/3, start/4, start_link/3, start_link/4, + stop/1, stop/3, call/2, call/3, cast/2, reply/2, abcast/2, abcast/3, @@ -137,6 +138,15 @@ -callback code_change(OldVsn :: (term() | {down, term()}), State :: term(), Extra :: term()) -> {ok, NewState :: term()} | {error, Reason :: term()}. +-callback format_status(Opt, StatusData) -> Status when + Opt :: 'normal' | 'terminate', + StatusData :: [PDict | State], + PDict :: [{Key :: term(), Value :: term()}], + State :: term(), + Status :: term(). + +-optional_callbacks([format_status/2]). + %%% ----------------------------------------------------------------- %%% Starts a generic server. @@ -168,6 +178,17 @@ start_link(Name, Mod, Args, Options) -> %% ----------------------------------------------------------------- +%% Stop a generic server and wait for it to terminate. +%% If the server is located at another node, that node will +%% be monitored. +%% ----------------------------------------------------------------- +stop(Name) -> + gen:stop(Name). + +stop(Name, Reason, Timeout) -> + gen:stop(Name, Reason, Timeout). + +%% ----------------------------------------------------------------- %% Make a call to a generic server. %% If the server is located at another node, that node will %% be monitored. @@ -849,22 +870,10 @@ opt(_, []) -> debug_options(Name, Opts) -> case opt(debug, Opts) of - {ok, Options} -> dbg_options(Name, Options); - _ -> dbg_options(Name, []) + {ok, Options} -> dbg_opts(Name, Options); + _ -> [] end. -dbg_options(Name, []) -> - Opts = - case init:get_argument(generic_debug) of - error -> - []; - _ -> - [log, statistics] - end, - dbg_opts(Name, Opts); -dbg_options(Name, Opts) -> - dbg_opts(Name, Opts). - dbg_opts(Name, Opts) -> case catch sys:debug_options(Opts) of {'EXIT',_} -> diff --git a/lib/stdlib/src/io.erl b/lib/stdlib/src/io.erl index b9ace2f442..0b59546dc4 100644 --- a/lib/stdlib/src/io.erl +++ b/lib/stdlib/src/io.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -45,7 +45,7 @@ %% ErrorDescription is whatever the I/O-server sends. -type server_no_data() :: {'error', ErrorDescription :: term()} | 'eof'. --type location() :: erl_scan:location(). +-type location() :: erl_anno:location(). %%------------------------------------------------------------------------- diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl index adc9a0cf5f..3378d668a5 100644 --- a/lib/stdlib/src/io_lib.erl +++ b/lib/stdlib/src/io_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -60,6 +60,7 @@ -module(io_lib). -export([fwrite/2,fread/2,fread/3,format/2]). +-export([scan_format/2,unscan_format/1,build_text/1]). -export([print/1,print/4,indentation/2]). -export([write/1,write/2,write/3,nl/0,format_prompt/1,format_prompt/2]). @@ -83,7 +84,7 @@ deep_unicode_char_list/1]). -export_type([chars/0, latin1_string/0, continuation/0, - fread_error/0, fread_item/0]). + fread_error/0, fread_item/0, format_spec/0]). %%---------------------------------------------------------------------- @@ -108,6 +109,18 @@ -type fread_item() :: string() | atom() | integer() | float(). +-type format_spec() :: + #{ + control_char => char(), + args => [any()], + width => 'none' | integer(), + adjust => 'left' | 'right', + precision => 'none' | integer(), + pad_char => char(), + encoding => 'unicode' | 'latin1', + strings => boolean() + }. + %%---------------------------------------------------------------------- %% Interface calls to sub-modules. @@ -156,6 +169,31 @@ format(Format, Args) -> Other end. +-spec scan_format(Format, Data) -> FormatList when + Format :: io:format(), + Data :: [term()], + FormatList :: [char() | format_spec()]. + +scan_format(Format, Args) -> + try io_lib_format:scan(Format, Args) + catch + _:_ -> erlang:error(badarg, [Format, Args]) + end. + +-spec unscan_format(FormatList) -> {Format, Data} when + FormatList :: [char() | format_spec()], + Format :: io:format(), + Data :: [term()]. + +unscan_format(FormatList) -> + io_lib_format:unscan(FormatList). + +-spec build_text(FormatList) -> chars() when + FormatList :: [char() | format_spec()]. + +build_text(FormatList) -> + io_lib_format:build(FormatList). + -spec print(Term) -> chars() when Term :: term(). @@ -249,6 +287,8 @@ write([H|T], D) -> end; write(F, _D) when is_function(F) -> erlang:fun_to_list(F); +write(Term, D) when is_map(Term) -> + write_map(Term, D); write(T, D) when is_tuple(T) -> if D =:= 1 -> "{...}"; @@ -257,9 +297,7 @@ write(T, D) when is_tuple(T) -> [write(element(1, T), D-1)| write_tail(tl(tuple_to_list(T)), D-1, $,)], $}] - end; -%write(Term, D) when is_map(Term) -> write_map(Term, D); -write(Term, D) -> write_map(Term, D). + end. %% write_tail(List, Depth, CharacterBeforeDots) %% Test the terminating case first as this looks better with depth. diff --git a/lib/stdlib/src/io_lib_format.erl b/lib/stdlib/src/io_lib_format.erl index 89ae6fb187..015afb317a 100644 --- a/lib/stdlib/src/io_lib_format.erl +++ b/lib/stdlib/src/io_lib_format.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -20,10 +20,9 @@ %% Formatting functions of io library. --export([fwrite/2,fwrite_g/1,indentation/2]). +-export([fwrite/2,fwrite_g/1,indentation/2,scan/2,unscan/1,build/1]). -%% fwrite(Format, ArgList) -> string(). -%% Format the arguments in ArgList after string Format. Just generate +%% Format the arguments in Args after string Format. Just generate %% an error if there is an error in the arguments. %% %% To do the printing command correctly we need to calculate the @@ -37,15 +36,84 @@ %% and it also splits the handling of the control characters into two %% parts. -fwrite(Format, Args) when is_atom(Format) -> - fwrite(atom_to_list(Format), Args); -fwrite(Format, Args) when is_binary(Format) -> - fwrite(binary_to_list(Format), Args); +-spec fwrite(Format, Data) -> FormatList when + Format :: io:format(), + Data :: [term()], + FormatList :: [char() | io_lib:format_spec()]. + fwrite(Format, Args) -> - Cs = collect(Format, Args), + build(scan(Format, Args)). + +%% Build the output text for a pre-parsed format list. + +-spec build(FormatList) -> io_lib:chars() when + FormatList :: [char() | io_lib:format_spec()]. + +build(Cs) -> Pc = pcount(Cs), build(Cs, Pc, 0). +%% Parse all control sequences in the format string. + +-spec scan(Format, Data) -> FormatList when + Format :: io:format(), + Data :: [term()], + FormatList :: [char() | io_lib:format_spec()]. + +scan(Format, Args) when is_atom(Format) -> + scan(atom_to_list(Format), Args); +scan(Format, Args) when is_binary(Format) -> + scan(binary_to_list(Format), Args); +scan(Format, Args) -> + collect(Format, Args). + +%% Revert a pre-parsed format list to a plain character list and a +%% list of arguments. + +-spec unscan(FormatList) -> {Format, Data} when + FormatList :: [char() | io_lib:format_spec()], + Format :: io:format(), + Data :: [term()]. + +unscan(Cs) -> + {print(Cs), args(Cs)}. + +args([#{args := As} | Cs]) -> + As ++ args(Cs); +args([_C | Cs]) -> + args(Cs); +args([]) -> + []. + +print([#{control_char := C, width := F, adjust := Ad, precision := P, + pad_char := Pad, encoding := Encoding, strings := Strings} | Cs]) -> + print(C, F, Ad, P, Pad, Encoding, Strings) ++ print(Cs); +print([C | Cs]) -> + [C | print(Cs)]; +print([]) -> + []. + +print(C, F, Ad, P, Pad, Encoding, Strings) -> + [$~] ++ print_field_width(F, Ad) ++ print_precision(P) ++ + print_pad_char(Pad) ++ print_encoding(Encoding) ++ + print_strings(Strings) ++ [C]. + +print_field_width(none, _Ad) -> ""; +print_field_width(F, left) -> integer_to_list(-F); +print_field_width(F, right) -> integer_to_list(F). + +print_precision(none) -> ""; +print_precision(P) -> [$. | integer_to_list(P)]. + +print_pad_char($\s) -> ""; % default, no need to make explicit +print_pad_char(Pad) -> [$., Pad]. + +print_encoding(unicode) -> "t"; +print_encoding(latin1) -> "". + +print_strings(false) -> "l"; +print_strings(true) -> "". + collect([$~|Fmt0], Args0) -> {C,Fmt1,Args1} = collect_cseq(Fmt0, Args0), [C|collect(Fmt1, Args1)]; @@ -60,7 +128,10 @@ collect_cseq(Fmt0, Args0) -> {Encoding,Fmt4,Args4} = encoding(Fmt3, Args3), {Strings,Fmt5,Args5} = strings(Fmt4, Args4), {C,As,Fmt6,Args6} = collect_cc(Fmt5, Args5), - {{C,As,F,Ad,P,Pad,Encoding,Strings},Fmt6,Args6}. + FormatSpec = #{control_char => C, args => As, width => F, adjust => Ad, + precision => P, pad_char => Pad, encoding => Encoding, + strings => Strings}, + {FormatSpec,Fmt6,Args6}. encoding([$t|Fmt],Args) -> true = hd(Fmt) =/= $l, @@ -136,17 +207,19 @@ collect_cc([$i|Fmt], [A|Args]) -> {$i,[A],Fmt,Args}. pcount(Cs) -> pcount(Cs, 0). -pcount([{$p,_As,_F,_Ad,_P,_Pad,_Enc,_Str}|Cs], Acc) -> pcount(Cs, Acc+1); -pcount([{$P,_As,_F,_Ad,_P,_Pad,_Enc,_Str}|Cs], Acc) -> pcount(Cs, Acc+1); +pcount([#{control_char := $p}|Cs], Acc) -> pcount(Cs, Acc+1); +pcount([#{control_char := $P}|Cs], Acc) -> pcount(Cs, Acc+1); pcount([_|Cs], Acc) -> pcount(Cs, Acc); pcount([], Acc) -> Acc. -%% build([Control], Pc, Indentation) -> string(). +%% build([Control], Pc, Indentation) -> io_lib:chars(). %% Interpret the control structures. Count the number of print %% remaining and only calculate indentation when necessary. Must also %% be smart when calculating indentation for characters in format. -build([{C,As,F,Ad,P,Pad,Enc,Str}|Cs], Pc0, I) -> +build([#{control_char := C, args := As, width := F, adjust := Ad, + precision := P, pad_char := Pad, encoding := Enc, + strings := Str} | Cs], Pc0, I) -> S = control(C, As, F, Ad, P, Pad, Enc, Str, I), Pc1 = decr_pc(C, Pc0), if @@ -162,10 +235,14 @@ decr_pc($p, Pc) -> Pc - 1; decr_pc($P, Pc) -> Pc - 1; decr_pc(_, Pc) -> Pc. -%% indentation(String, Indentation) -> Indentation. + %% Calculate the indentation of the end of a string given its start %% indentation. We assume tabs at 8 cols. +-spec indentation(String, StartIndent) -> integer() when + String :: io_lib:chars(), + StartIndent :: integer(). + indentation([$\n|Cs], _I) -> indentation(Cs, 0); indentation([$\t|Cs], I) -> indentation(Cs, ((I + 8) div 8) * 8); indentation([C|Cs], I) when is_integer(C) -> @@ -366,7 +443,6 @@ float_data([D|Cs], Ds) when D >= $0, D =< $9 -> float_data([_|Cs], Ds) -> float_data(Cs, Ds). -%% fwrite_g(Float) %% Writes the shortest, correctly rounded string that converts %% to Float when read back with list_to_float/1. %% @@ -374,6 +450,8 @@ float_data([_|Cs], Ds) -> %% in Proceedings of the SIGPLAN '96 Conference on Programming %% Language Design and Implementation. +-spec fwrite_g(float()) -> string(). + fwrite_g(0.0) -> "0.0"; fwrite_g(Float) when is_float(Float) -> @@ -642,7 +720,7 @@ prefixed_integer(Int, F, Adj, Base, Pad, Prefix, Lowercase) term([Prefix|S], F, Adj, none, Pad) end. -%% char(Char, Field, Adjust, Precision, PadChar) -> string(). +%% char(Char, Field, Adjust, Precision, PadChar) -> chars(). char(C, none, _Adj, none, _Pad) -> [C]; char(C, F, _Adj, none, _Pad) -> chars(C, F); diff --git a/lib/stdlib/src/maps.erl b/lib/stdlib/src/maps.erl index ba4d6a5c87..533ff08726 100644 --- a/lib/stdlib/src/maps.erl +++ b/lib/stdlib/src/maps.erl @@ -19,31 +19,16 @@ -module(maps). --export([ - fold/3, - map/2, - size/1, - without/2, - with/2, - get/3 - ]). +-export([get/3,filter/2,fold/3, map/2, + size/1, + without/2, with/2]). %%% BIFs --export([ - get/2, - find/2, - from_list/1, - is_key/2, - keys/1, - merge/2, - new/0, - put/3, - remove/2, - to_list/1, - update/3, - values/1 - ]). +-export([get/2, find/2, from_list/1, + is_key/2, keys/1, merge/2, + new/0, put/3, remove/2, + to_list/1, update/3, values/1]). -spec get(Key,Map) -> Value when Key :: term(), @@ -150,13 +135,28 @@ values(_) -> erlang:nif_error(undef). Value :: term(), Default :: term(). -get(Key, Map, Default) -> +get(Key,Map,Default) when is_map(Map) -> case maps:find(Key, Map) of {ok, Value} -> Value; error -> Default - end. + end; +get(Key,Map,Default) -> + erlang:error({badmap,Map},[Key,Map,Default]). + + +-spec filter(Pred,Map1) -> Map2 when + Pred :: fun((Key, Value) -> boolean()), + Key :: term(), + Value :: term(), + Map1 :: map(), + Map2 :: map(). + +filter(Pred,Map) when is_function(Pred,2), is_map(Map) -> + maps:from_list([{K,V}||{K,V}<-maps:to_list(Map),Pred(K,V)]); +filter(Pred,Map) -> + erlang:error(error_type(Map),[Pred,Map]). -spec fold(Fun,Init,Map) -> Acc when @@ -169,8 +169,10 @@ get(Key, Map, Default) -> K :: term(), V :: term(). -fold(Fun, Init, Map) when is_function(Fun,3), is_map(Map) -> - lists:foldl(fun({K,V},A) -> Fun(K,V,A) end,Init,maps:to_list(Map)). +fold(Fun,Init,Map) when is_function(Fun,3), is_map(Map) -> + lists:foldl(fun({K,V},A) -> Fun(K,V,A) end,Init,maps:to_list(Map)); +fold(Fun,Init,Map) -> + erlang:error(error_type(Map),[Fun,Init,Map]). -spec map(Fun,Map1) -> Map2 when Fun :: fun((K, V1) -> V2), @@ -180,18 +182,19 @@ fold(Fun, Init, Map) when is_function(Fun,3), is_map(Map) -> V1 :: term(), V2 :: term(). -map(Fun, Map) when is_function(Fun, 2), is_map(Map) -> - maps:from_list(lists:map(fun - ({K,V}) -> - {K,Fun(K,V)} - end,maps:to_list(Map))). +map(Fun,Map) when is_function(Fun, 2), is_map(Map) -> + maps:from_list([{K,Fun(K,V)}||{K,V}<-maps:to_list(Map)]); +map(Fun,Map) -> + erlang:error(error_type(Map),[Fun,Map]). -spec size(Map) -> non_neg_integer() when Map :: map(). size(Map) when is_map(Map) -> - erlang:map_size(Map). + erlang:map_size(Map); +size(Val) -> + erlang:error({badmap,Val},[Val]). -spec without(Ks,Map1) -> Map2 when @@ -200,8 +203,10 @@ size(Map) when is_map(Map) -> Map2 :: map(), K :: term(). -without(Ks, M) when is_list(Ks), is_map(M) -> - maps:from_list([{K,V}||{K,V} <- maps:to_list(M), not lists:member(K, Ks)]). +without(Ks,M) when is_list(Ks), is_map(M) -> + maps:from_list([{K,V}||{K,V} <- maps:to_list(M), not lists:member(K, Ks)]); +without(Ks,M) -> + erlang:error(error_type(M),[Ks,M]). -spec with(Ks, Map1) -> Map2 when @@ -210,5 +215,11 @@ without(Ks, M) when is_list(Ks), is_map(M) -> Map2 :: map(), K :: term(). -with(Ks, M) when is_list(Ks), is_map(M) -> - maps:from_list([{K,V}||{K,V} <- maps:to_list(M), lists:member(K, Ks)]). +with(Ks,M) when is_list(Ks), is_map(M) -> + maps:from_list([{K,V}||{K,V} <- maps:to_list(M), lists:member(K, Ks)]); +with(Ks,M) -> + erlang:error(error_type(M),[Ks,M]). + + +error_type(M) when is_map(M) -> badarg; +error_type(V) -> {badmap, V}. diff --git a/lib/stdlib/src/math.erl b/lib/stdlib/src/math.erl index 98a70b1644..43f736e54c 100644 --- a/lib/stdlib/src/math.erl +++ b/lib/stdlib/src/math.erl @@ -24,7 +24,7 @@ -export([sin/1, cos/1, tan/1, asin/1, acos/1, atan/1, atan2/2, sinh/1, cosh/1, tanh/1, asinh/1, acosh/1, atanh/1, exp/1, log/1, - log10/1, pow/2, sqrt/1, erf/1, erfc/1]). + log2/1, log10/1, pow/2, sqrt/1, erf/1, erfc/1]). -spec acos(X) -> float() when X :: number(). @@ -92,6 +92,11 @@ exp(_) -> log(_) -> erlang:nif_error(undef). +-spec log2(X) -> float() when + X :: number(). +log2(_) -> + erlang:nif_error(undef). + -spec log10(X) -> float() when X :: number(). log10(_) -> diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl index 97564e2e44..6e3723bb98 100644 --- a/lib/stdlib/src/ms_transform.erl +++ b/lib/stdlib/src/ms_transform.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2002-2013. All Rights Reserved. +%% Copyright Ericsson AB 2002-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -822,9 +822,10 @@ th(T,B,OB) when is_tuple(T) -> th(Nonstruct,B,_OB) -> {Nonstruct,B}. -warn_var_clash(Line,Name,OuterBound) -> +warn_var_clash(Anno,Name,OuterBound) -> case gb_sets:is_member(Name,OuterBound) of true -> + Line = erl_anno:line(Anno), add_warning(Line,{?WARN_SHADOW_VAR,Name}); _ -> ok @@ -1079,6 +1080,12 @@ normalise({cons,_,Head,Tail}) -> [normalise(Head)|normalise(Tail)]; normalise({tuple,_,Args}) -> list_to_tuple(normalise_list(Args)); +normalise({map,_,Pairs0}) -> + Pairs1 = lists:map(fun ({map_field_exact,_,K,V}) -> + {normalise(K),normalise(V)} + end, + Pairs0), + maps:from_list(Pairs1); %% Special case for unary +/-. normalise({op,_,'+',{char,_,I}}) -> I; normalise({op,_,'+',{integer,_,I}}) -> I; diff --git a/lib/stdlib/src/orddict.erl b/lib/stdlib/src/orddict.erl index c98d78b34d..cbdf25d757 100644 --- a/lib/stdlib/src/orddict.erl +++ b/lib/stdlib/src/orddict.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -25,11 +25,13 @@ -export([store/3,append/3,append_list/3,update/3,update/4,update_counter/3]). -export([fold/3,map/2,filter/2,merge/3]). --export_type([orddict/0]). +-export_type([orddict/0, orddict/2]). %%--------------------------------------------------------------------------- --type orddict() :: [{Key :: term(), Value :: term()}]. +-type orddict() :: orddict(_, _). + +-type orddict(Key, Value) :: [{Key, Value}]. %%--------------------------------------------------------------------------- @@ -38,8 +40,7 @@ new() -> []. -spec is_key(Key, Orddict) -> boolean() when - Key :: term(), - Orddict :: orddict(). + Orddict :: orddict(Key, Value :: term()). is_key(Key, [{K,_}|_]) when Key < K -> false; is_key(Key, [{K,_}|Dict]) when Key > K -> is_key(Key, Dict); @@ -47,14 +48,14 @@ is_key(_Key, [{_K,_Val}|_]) -> true; %Key == K is_key(_, []) -> false. -spec to_list(Orddict) -> List when - Orddict :: orddict(), - List :: [{Key :: term(), Value :: term()}]. + Orddict :: orddict(Key, Value), + List :: [{Key, Value}]. to_list(Dict) -> Dict. -spec from_list(List) -> Orddict when - List :: [{Key :: term(), Value :: term()}], - Orddict :: orddict(). + List :: [{Key, Value}], + Orddict :: orddict(Key, Value). from_list([]) -> []; from_list([{_,_}]=Pair) -> Pair; @@ -73,17 +74,13 @@ is_empty([]) -> true; is_empty([_|_]) -> false. -spec fetch(Key, Orddict) -> Value when - Key :: term(), - Value :: term(), - Orddict :: orddict(). + Orddict :: orddict(Key, Value). fetch(Key, [{K,_}|D]) when Key > K -> fetch(Key, D); fetch(Key, [{K,Value}|_]) when Key == K -> Value. -spec find(Key, Orddict) -> {'ok', Value} | 'error' when - Key :: term(), - Orddict :: orddict(), - Value :: term(). + Orddict :: orddict(Key, Value). find(Key, [{K,_}|_]) when Key < K -> error; find(Key, [{K,_}|D]) when Key > K -> find(Key, D); @@ -91,17 +88,16 @@ find(_Key, [{_K,Value}|_]) -> {ok,Value}; %Key == K find(_, []) -> error. -spec fetch_keys(Orddict) -> Keys when - Orddict :: orddict(), - Keys :: [term()]. + Orddict :: orddict(Key, Value :: term()), + Keys :: [Key]. fetch_keys([{Key,_}|Dict]) -> [Key|fetch_keys(Dict)]; fetch_keys([]) -> []. -spec erase(Key, Orddict1) -> Orddict2 when - Key :: term(), - Orddict1 :: orddict(), - Orddict2 :: orddict(). + Orddict1 :: orddict(Key, Value), + Orddict2 :: orddict(Key, Value). erase(Key, [{K,_}=E|Dict]) when Key < K -> [E|Dict]; erase(Key, [{K,_}=E|Dict]) when Key > K -> @@ -110,13 +106,11 @@ erase(_Key, [{_K,_Val}|Dict]) -> Dict; %Key == K erase(_, []) -> []. -spec store(Key, Value, Orddict1) -> Orddict2 when - Key :: term(), - Value :: term(), - Orddict1 :: orddict(), - Orddict2 :: orddict(). + Orddict1 :: orddict(Key, Value), + Orddict2 :: orddict(Key, Value). -store(Key, New, [{K,_}=E|Dict]) when Key < K -> - [{Key,New},E|Dict]; +store(Key, New, [{K,_}|_]=Dict) when Key < K -> + [{Key,New}|Dict]; store(Key, New, [{K,_}=E|Dict]) when Key > K -> [E|store(Key, New, Dict)]; store(Key, New, [{_K,_Old}|Dict]) -> %Key == K @@ -124,13 +118,11 @@ store(Key, New, [{_K,_Old}|Dict]) -> %Key == K store(Key, New, []) -> [{Key,New}]. -spec append(Key, Value, Orddict1) -> Orddict2 when - Key :: term(), - Value :: term(), - Orddict1 :: orddict(), - Orddict2 :: orddict(). + Orddict1 :: orddict(Key, Value), + Orddict2 :: orddict(Key, Value). -append(Key, New, [{K,_}=E|Dict]) when Key < K -> - [{Key,[New]},E|Dict]; +append(Key, New, [{K,_}|_]=Dict) when Key < K -> + [{Key,[New]}|Dict]; append(Key, New, [{K,_}=E|Dict]) when Key > K -> [E|append(Key, New, Dict)]; append(Key, New, [{_K,Old}|Dict]) -> %Key == K @@ -138,13 +130,12 @@ append(Key, New, [{_K,Old}|Dict]) -> %Key == K append(Key, New, []) -> [{Key,[New]}]. -spec append_list(Key, ValList, Orddict1) -> Orddict2 when - Key :: term(), - ValList :: [Value :: term()], - Orddict1 :: orddict(), - Orddict2 :: orddict(). + ValList :: [Value], + Orddict1 :: orddict(Key, Value), + Orddict2 :: orddict(Key, Value). -append_list(Key, NewList, [{K,_}=E|Dict]) when Key < K -> - [{Key,NewList},E|Dict]; +append_list(Key, NewList, [{K,_}|_]=Dict) when Key < K -> + [{Key,NewList}|Dict]; append_list(Key, NewList, [{K,_}=E|Dict]) when Key > K -> [E|append_list(Key, NewList, Dict)]; append_list(Key, NewList, [{_K,Old}|Dict]) -> %Key == K @@ -153,10 +144,9 @@ append_list(Key, NewList, []) -> [{Key,NewList}]. -spec update(Key, Fun, Orddict1) -> Orddict2 when - Key :: term(), - Fun :: fun((Value1 :: term()) -> Value2 :: term()), - Orddict1 :: orddict(), - Orddict2 :: orddict(). + Fun :: fun((Value1 :: Value) -> Value2 :: Value), + Orddict1 :: orddict(Key, Value), + Orddict2 :: orddict(Key, Value). update(Key, Fun, [{K,_}=E|Dict]) when Key > K -> [E|update(Key, Fun, Dict)]; @@ -164,14 +154,13 @@ update(Key, Fun, [{K,Val}|Dict]) when Key == K -> [{Key,Fun(Val)}|Dict]. -spec update(Key, Fun, Initial, Orddict1) -> Orddict2 when - Key :: term(), - Initial :: term(), - Fun :: fun((Value1 :: term()) -> Value2 :: term()), - Orddict1 :: orddict(), - Orddict2 :: orddict(). - -update(Key, _, Init, [{K,_}=E|Dict]) when Key < K -> - [{Key,Init},E|Dict]; + Initial :: Value, + Fun :: fun((Value1 :: Value) -> Value2 :: Value), + Orddict1 :: orddict(Key, Value), + Orddict2 :: orddict(Key, Value). + +update(Key, _, Init, [{K,_}|_]=Dict) when Key < K -> + [{Key,Init}|Dict]; update(Key, Fun, Init, [{K,_}=E|Dict]) when Key > K -> [E|update(Key, Fun, Init, Dict)]; update(Key, Fun, _Init, [{_K,Val}|Dict]) -> %Key == K @@ -179,13 +168,12 @@ update(Key, Fun, _Init, [{_K,Val}|Dict]) -> %Key == K update(Key, _, Init, []) -> [{Key,Init}]. -spec update_counter(Key, Increment, Orddict1) -> Orddict2 when - Key :: term(), - Increment :: number(), - Orddict1 :: orddict(), - Orddict2 :: orddict(). + Orddict1 :: orddict(Key, Value), + Orddict2 :: orddict(Key, Value), + Increment :: number(). -update_counter(Key, Incr, [{K,_}=E|Dict]) when Key < K -> - [{Key,Incr},E|Dict]; +update_counter(Key, Incr, [{K,_}|_]=Dict) when Key < K -> + [{Key,Incr}|Dict]; update_counter(Key, Incr, [{K,_}=E|Dict]) when Key > K -> [E|update_counter(Key, Incr, Dict)]; update_counter(Key, Incr, [{_K,Val}|Dict]) -> %Key == K @@ -193,28 +181,30 @@ update_counter(Key, Incr, [{_K,Val}|Dict]) -> %Key == K update_counter(Key, Incr, []) -> [{Key,Incr}]. -spec fold(Fun, Acc0, Orddict) -> Acc1 when - Fun :: fun((Key :: term(), Value :: term(), AccIn :: term()) -> AccOut :: term()), - Acc0 :: term(), - Acc1 :: term(), - Orddict :: orddict(). + Fun :: fun((Key, Value, AccIn) -> AccOut), + Orddict :: orddict(Key, Value), + Acc0 :: Acc, + Acc1 :: Acc, + AccIn :: Acc, + AccOut :: Acc. fold(F, Acc, [{Key,Val}|D]) -> fold(F, F(Key, Val, Acc), D); fold(F, Acc, []) when is_function(F, 3) -> Acc. -spec map(Fun, Orddict1) -> Orddict2 when - Fun :: fun((Key :: term(), Value1 :: term()) -> Value2 :: term()), - Orddict1 :: orddict(), - Orddict2 :: orddict(). + Fun :: fun((Key, Value1) -> Value2), + Orddict1 :: orddict(Key, Value1), + Orddict2 :: orddict(Key, Value2). map(F, [{Key,Val}|D]) -> [{Key,F(Key, Val)}|map(F, D)]; map(F, []) when is_function(F, 2) -> []. -spec filter(Pred, Orddict1) -> Orddict2 when - Pred :: fun((Key :: term(), Value :: term()) -> boolean()), - Orddict1 :: orddict(), - Orddict2 :: orddict(). + Pred :: fun((Key, Value) -> boolean()), + Orddict1 :: orddict(Key, Value), + Orddict2 :: orddict(Key, Value). filter(F, [{Key,Val}=E|D]) -> case F(Key, Val) of @@ -224,10 +214,10 @@ filter(F, [{Key,Val}=E|D]) -> filter(F, []) when is_function(F, 2) -> []. -spec merge(Fun, Orddict1, Orddict2) -> Orddict3 when - Fun :: fun((Key :: term(), Value1 :: term(), Value2 :: term()) -> Value :: term()), - Orddict1 :: orddict(), - Orddict2 :: orddict(), - Orddict3 :: orddict(). + Fun :: fun((Key, Value1, Value2) -> Value), + Orddict1 :: orddict(Key, Value1), + Orddict2 :: orddict(Key, Value2), + Orddict3 :: orddict(Key, Value). merge(F, [{K1,_}=E1|D1], [{K2,_}=E2|D2]) when K1 < K2 -> [E1|merge(F, D1, [E2|D2])]; diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl index 6c25beabe9..0340015c35 100644 --- a/lib/stdlib/src/otp_internal.erl +++ b/lib/stdlib/src/otp_internal.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2014. All Rights Reserved. +%% Copyright Ericsson AB 1999-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -18,7 +18,7 @@ %% -module(otp_internal). --export([obsolete/3]). +-export([obsolete/3, obsolete_type/3]). %%---------------------------------------------------------------------- @@ -26,7 +26,7 @@ -type mfas() :: mfa() | {atom(), atom(), [byte()]}. -type release() :: string(). --spec obsolete(atom(), atom(), byte()) -> +-spec obsolete(module(), atom(), arity()) -> 'no' | {tag(), string()} | {tag(), mfas(), release()}. obsolete(Module, Name, Arity) -> @@ -59,6 +59,11 @@ obsolete_1(erl_eval, arg_list, 3) -> obsolete_1(erlang, hash, 2) -> {deprecated, {erlang, phash2, 2}}; +obsolete_1(erlang, now, 0) -> + {deprecated, + "Deprecated BIF. See the \"Time and Time Correction in Erlang\" " + "chapter of the ERTS User's Guide for more information."}; + obsolete_1(calendar, local_time_to_universal_time, 1) -> {deprecated, {calendar, local_time_to_universal_time_dst, 1}}; @@ -577,8 +582,57 @@ obsolete_1(asn1rt, utf8_binary_to_list, 1) -> {deprecated,{unicode,characters_to_list,1}}; obsolete_1(asn1rt, utf8_list_to_binary, 1) -> {deprecated,{unicode,characters_to_binary,1}}; -obsolete_1(pg, _, _) -> - {deprecated,"deprecated; will be removed in OTP 18"}; + +%% Added in OTP 18. +obsolete_1(core_lib, get_anno, 1) -> + {deprecated,{cerl,get_ann,1}}; +obsolete_1(core_lib, set_anno, 2) -> + {deprecated,{cerl,set_ann,2}}; +obsolete_1(core_lib, is_literal, 1) -> + {deprecated,{cerl,is_literal,1}}; +obsolete_1(core_lib, is_literal_list, 1) -> + {deprecated,"deprecated; use lists:all(fun cerl:is_literal/1, L)" + " instead"}; +obsolete_1(core_lib, literal_value, 1) -> + {deprecated,{core_lib,concrete,1}}; +obsolete_1(erl_scan, set_attribute, 3) -> + {deprecated, + "deprecated (will be removed in OTP 19); use erl_anno:set_line/2 instead"}; +obsolete_1(erl_scan, attributes_info, 1) -> + {deprecated, + "deprecated (will be removed in OTP 19); use " + "erl_anno:{column,line,location,text}/1 instead"}; +obsolete_1(erl_scan, attributes_info, 2) -> + {deprecated, + "deprecated (will be removed in OTP 19); use " + "erl_anno:{column,line,location,text}/1 instead"}; +obsolete_1(erl_scan, token_info, 1) -> + {deprecated, + "deprecated (will be removed in OTP 19); use " + "erl_scan:{category,column,line,location,symbol,text}/1 instead"}; +obsolete_1(erl_scan, token_info, 2) -> + {deprecated, + "deprecated (will be removed in OTP 19); use " + "erl_scan:{category,column,line,location,symbol,text}/1 instead"}; +obsolete_1(erl_parse, set_line, 2) -> + {deprecated, + "deprecated (will be removed in OTP 19); use erl_anno:set_line/2 instead"}; +obsolete_1(erl_parse, get_attributes, 1) -> + {deprecated, + "deprecated (will be removed in OTP 19); use " + "erl_anno:{column,line,location,text}/1 instead"}; +obsolete_1(erl_parse, get_attribute, 2) -> + {deprecated, + "deprecated (will be removed in OTP 19); use " + "erl_anno:{column,line,location,text}/1 instead"}; +obsolete_1(erl_lint, modify_line, 2) -> + {deprecated, + "deprecated (will be removed in OTP 19); use erl_parse:map_anno/2 instead"}; +obsolete_1(ssl, negotiated_next_protocol, 1) -> + {deprecated,{ssl,negotiated_protocol,1}}; + +obsolete_1(ssl, connection_info, 1) -> + {deprecated, "deprecated; use connection_information/[1,2] instead"}; obsolete_1(_, _, _) -> no. @@ -626,3 +680,30 @@ is_snmp_agent_function(add_agent_caps, 2) -> true; is_snmp_agent_function(del_agent_caps, 1) -> true; is_snmp_agent_function(get_agent_caps, 0) -> true; is_snmp_agent_function(_, _) -> false. + +-spec obsolete_type(module(), atom(), arity()) -> + 'no' | {tag(), string()} | {tag(), mfas(), release()}. + +obsolete_type(Module, Name, NumberOfVariables) -> + case obsolete_type_1(Module, Name, NumberOfVariables) of +%% {deprecated=Tag,{_,_,_}=Replacement} -> +%% {Tag,Replacement,"in a future release"}; + {_,String}=Ret when is_list(String) -> + Ret; +%% {_,_,_}=Ret -> +%% Ret; + no -> + no + end. + +obsolete_type_1(erl_scan,column,0) -> + {deprecated, + "deprecated (will be removed in OTP 19); use erl_anno:column() instead"}; +obsolete_type_1(erl_scan,line,0) -> + {deprecated, + "deprecated (will be removed in OTP 19); use erl_anno:line() instead"}; +obsolete_type_1(erl_scan,location,0) -> + {deprecated, + "deprecated (will be removed in OTP 19); use erl_anno:location() instead"}; +obsolete_type_1(_,_,_) -> + no. diff --git a/lib/stdlib/src/pg.erl b/lib/stdlib/src/pg.erl deleted file mode 100644 index a41fd329c2..0000000000 --- a/lib/stdlib/src/pg.erl +++ /dev/null @@ -1,187 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 1996-2014. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% --module(pg). --deprecated(module). - -%% pg provides a process group facility. Messages -%% can be multicasted to all members in the group - --export([create/1, - create/2, - standby/2, - join/2, - send/2, - esend/2, - members/1, - name_to_pid/1, - master/1]). - - -%% Create a brand new empty process group with the master residing -%% at the local node - --spec create(PgName) -> 'ok' | {'error', Reason} when - PgName :: term(), - Reason :: 'already_created' | term(). - -create(PgName) -> - catch begin check(PgName), - Pid = spawn(pg,master,[PgName]), - global:register_name(PgName,Pid), - ok end. - -%% Create a brand new empty process group with the master -%% residing at Node - --spec create(PgName, Node) -> 'ok' | {'error', Reason} when - PgName :: term(), - Node :: node(), - Reason :: 'already_created' | term(). - -create(PgName, Node) -> - catch begin check(PgName), - Pid = spawn(Node,pg,master,[PgName]), - global:register_name(PgName,Pid), - ok end. - -%% Have a process on Node that will act as a standby for the process -%% group manager. So if the node where the manager runs fails, the -%% process group will continue to function. - --spec standby(term(), node()) -> 'ok'. - -standby(_PgName, _Node) -> - ok. - -%% Tell process group PgName that Pid is a new member of the group -%% synchronously return a list of all old members in the group - --spec join(PgName, Pid) -> Members when - PgName :: term(), - Pid :: pid(), - Members :: [pid()]. - -join(PgName, Pid) when is_atom(PgName) -> - global:send(PgName, {join,self(),Pid}), - receive - {_P,{members,Members}} -> - Members - end. - -%% Multi cast Mess to all members in the group - --spec send(PgName, Msg) -> 'ok' when - PgName :: term(), - Msg :: term(). - -send(PgName, Mess) when is_atom(PgName) -> - global:send(PgName, {send, self(), Mess}), - ok; -send(Pg, Mess) when is_pid(Pg) -> - Pg ! {send,self(),Mess}, - ok. - -%% multi cast a message to all members in the group but ourselves -%% If we are a member - --spec esend(PgName, Msg) -> 'ok' when - PgName :: term(), - Msg :: term(). - -esend(PgName, Mess) when is_atom(PgName) -> - global:send(PgName, {esend,self(),Mess}), - ok; -esend(Pg, Mess) when is_pid(Pg) -> - Pg ! {esend,self(),Mess}, - ok. - -%% Return the members of the group - --spec members(PgName) -> Members when - PgName :: term(), - Members :: [pid()]. - -members(PgName) when is_atom(PgName) -> - global:send(PgName, {self() ,members}), - receive - {_P,{members,Members}} -> - Members - end; -members(Pg) when is_pid(Pg) -> - Pg ! {self,members}, - receive - {_P,{members,Members}} -> - Members - end. - --spec name_to_pid(atom()) -> pid() | 'undefined'. - -name_to_pid(PgName) when is_atom(PgName) -> - global:whereis_name(PgName). - --spec master(term()) -> no_return(). - -master(PgName) -> - process_flag(trap_exit, true), - master_loop(PgName, []). - -master_loop(PgName,Members) -> - receive - {send,From,Message} -> - send_all(Members,{pg_message,From,PgName,Message}), - master_loop(PgName,Members); - {esend,From,Message} -> - send_all(lists:delete(From,Members), - {pg_message,From,PgName,Message}), - master_loop(PgName,Members); - {join,From,Pid} -> - link(Pid), - send_all(Members,{new_member,PgName,Pid}), - From ! {self(),{members,Members}}, - master_loop(PgName,[Pid|Members]); - {From,members} -> - From ! {self(),{members,Members}}, - master_loop(PgName,Members); - {'EXIT',From,_} -> - L = - case lists:member(From,Members) of - true -> - NewMembers = lists:delete(From,Members), - send_all(NewMembers, {crashed_member,PgName,From}), - NewMembers; - false -> - Members - end, - master_loop(PgName,L) - end. - -send_all([], _) -> ok; -send_all([P|Ps], M) -> - P ! M, - send_all(Ps, M). - -%% Check if the process group already exists - -check(PgName) -> - case global:whereis_name(PgName) of - Pid when is_pid(Pid) -> - throw({error,already_created}); - undefined -> - ok - end. diff --git a/lib/stdlib/src/proc_lib.erl b/lib/stdlib/src/proc_lib.erl index bf2a4e7ac5..8792ff44d3 100644 --- a/lib/stdlib/src/proc_lib.erl +++ b/lib/stdlib/src/proc_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -30,7 +30,8 @@ hibernate/3, init_ack/1, init_ack/2, init_p/3,init_p/5,format/1,format/2,initial_call/1, - translate_initial_call/1]). + translate_initial_call/1, + stop/1, stop/3]). %% Internal exports. -export([wake_up/3]). @@ -748,3 +749,50 @@ format_tag(Tag, Data) -> modifier(latin1) -> ""; modifier(_) -> "t". + + +%%% ----------------------------------------------------------- +%%% Stop a process and wait for it to terminate +%%% ----------------------------------------------------------- +-spec stop(Process) -> 'ok' when + Process :: pid() | RegName | {RegName,node()}, + RegName :: atom(). +stop(Process) -> + stop(Process, normal, infinity). + +-spec stop(Process, Reason, Timeout) -> 'ok' when + Process :: pid() | RegName | {RegName,node()}, + RegName :: atom(), + Reason :: term(), + Timeout :: timeout(). +stop(Process, Reason, Timeout) -> + {Pid, Mref} = erlang:spawn_monitor(do_stop(Process, Reason)), + receive + {'DOWN', Mref, _, _, Reason} -> + ok; + {'DOWN', Mref, _, _, {noproc,{sys,terminate,_}}} -> + exit(noproc); + {'DOWN', Mref, _, _, CrashReason} -> + exit(CrashReason) + after Timeout -> + exit(Pid, kill), + receive + {'DOWN', Mref, _, _, _} -> + exit(timeout) + end + end. + +-spec do_stop(Process, Reason) -> Fun when + Process :: pid() | RegName | {RegName,node()}, + RegName :: atom(), + Reason :: term(), + Fun :: fun(() -> no_return()). +do_stop(Process, Reason) -> + fun() -> + Mref = erlang:monitor(process, Process), + ok = sys:terminate(Process, Reason, infinity), + receive + {'DOWN', Mref, _, _, ExitReason} -> + exit(ExitReason) + end + end. diff --git a/lib/stdlib/src/qlc.erl b/lib/stdlib/src/qlc.erl index 002032d48d..ad8aafbb1a 100644 --- a/lib/stdlib/src/qlc.erl +++ b/lib/stdlib/src/qlc.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2013. All Rights Reserved. +%% Copyright Ericsson AB 2004-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -1006,7 +1006,7 @@ listify(T) -> -record(simple_qlc, {p, % atom(), pattern variable le, - line, + line :: erl_anno:anno(), init_value, optz % #optz }). @@ -1148,15 +1148,18 @@ abstract(Info, true=_Flat, NElements, Depth) -> [{match,_,Expr,Q}] -> Q; [{match,_,Expr,Q} | Body] -> - {block, 0, lists:reverse(Body, [Q])}; + {block, anno0(), lists:reverse(Body, [Q])}; _ -> - {block, 0, lists:reverse(Body0, [Expr])} + {block, anno0(), lists:reverse(Body0, [Expr])} end. -abstract({qlc, E0, Qs0, Opt}, NElements, Depth) -> +abstract(Info, NElements, Depth) -> + abstract1(Info, NElements, Depth, anno1()). + +abstract1({qlc, E0, Qs0, Opt}, NElements, Depth, A) -> Qs = lists:map(fun({generate, P, LE}) -> - {generate, 1, binary_to_term(P), - abstract(LE, NElements, Depth)}; + {generate, A, binary_to_term(P), + abstract1(LE, NElements, Depth, A)}; (F) -> binary_to_term(F) end, Qs0), @@ -1165,12 +1168,12 @@ abstract({qlc, E0, Qs0, Opt}, NElements, Depth) -> [] -> []; _ -> [abstract_term(Opt, 1)] end, - ?QLC_Q(1, 1, 1, 1, {lc,1,E,Qs}, Os); -abstract({table, {M, F, As0}}, _NElements, _Depth) + ?QLC_Q(A, A, A, A, {lc,A,E,Qs}, Os); +abstract1({table, {M, F, As0}}, _NElements, _Depth, Anno) when is_atom(M), is_atom(F), is_list(As0) -> As = [abstract_term(A, 1) || A <- As0], - {call, 1, {remote, 1, {atom, 1, M}, {atom, 1, F}}, As}; -abstract({table, TableDesc}, _NElements, _Depth) -> + {call, Anno, {remote, Anno, {atom, Anno, M}, {atom, Anno, F}}, As}; +abstract1({table, TableDesc}, _NElements, _Depth, _A) -> case io_lib:deep_char_list(TableDesc) of true -> {ok, Tokens, _} = erl_scan:string(lists:flatten(TableDesc++".")), @@ -1179,27 +1182,28 @@ abstract({table, TableDesc}, _NElements, _Depth) -> false -> % abstract expression TableDesc end; -abstract({append, Infos}, NElements, Depth) -> +abstract1({append, Infos}, NElements, Depth, A) -> As = lists:foldr(fun(Info, As0) -> - {cons,1,abstract(Info, NElements, Depth),As0} - end, {nil, 1}, Infos), - {call, 1, {remote, 1, {atom, 1, ?MODULE}, {atom, 1, append}}, [As]}; -abstract({sort, Info, SortOptions}, NElements, Depth) -> - {call, 1, {remote, 1, {atom, 1, ?MODULE}, {atom, 1, sort}}, - [abstract(Info, NElements, Depth), abstract_term(SortOptions, 1)]}; -abstract({keysort, Info, Kp, SortOptions}, NElements, Depth) -> - {call, 1, {remote, 1, {atom, 1, ?MODULE}, {atom, 1, keysort}}, - [abstract_term(Kp, 1), abstract(Info, NElements, Depth), + {cons,A,abstract1(Info, NElements, Depth, A), + As0} + end, {nil, A}, Infos), + {call, A, {remote, A, {atom, A, ?MODULE}, {atom, A, append}}, [As]}; +abstract1({sort, Info, SortOptions}, NElements, Depth, A) -> + {call, A, {remote, A, {atom, A, ?MODULE}, {atom, A, sort}}, + [abstract1(Info, NElements, Depth, A), abstract_term(SortOptions, 1)]}; +abstract1({keysort, Info, Kp, SortOptions}, NElements, Depth, A) -> + {call, A, {remote, A, {atom, A, ?MODULE}, {atom, A, keysort}}, + [abstract_term(Kp, 1), abstract1(Info, NElements, Depth, A), abstract_term(SortOptions, 1)]}; -abstract({list,L,MS}, NElements, Depth) -> - {call, 1, {remote, 1, {atom, 1, ets}, {atom, 1, match_spec_run}}, - [abstract(L, NElements, Depth), - {call, 1, {remote, 1, {atom, 1, ets}, {atom, 1, match_spec_compile}}, +abstract1({list,L,MS}, NElements, Depth, A) -> + {call, A, {remote, A, {atom, A, ets}, {atom, A, match_spec_run}}, + [abstract1(L, NElements, Depth, A), + {call, A, {remote, A, {atom, A, ets}, {atom, A, match_spec_compile}}, [abstract_term(depth(MS, Depth), 1)]}]}; -abstract({list, L}, NElements, Depth) when NElements =:= infinity; - NElements >= length(L) -> +abstract1({list, L}, NElements, Depth, _A) when NElements =:= infinity; + NElements >= length(L) -> abstract_term(depth(L, Depth), 1); -abstract({list, L}, NElements, Depth) -> +abstract1({list, L}, NElements, Depth, _A) -> abstract_term(depth(lists:sublist(L, NElements), Depth) ++ '...', 1). depth(List, infinity) -> @@ -1251,14 +1255,14 @@ abstract_term(Term) -> abstract_term(Term, 0). abstract_term(Term, Line) -> - abstr_term(Term, Line). + abstr_term(Term, anno(Line)). abstr_term(Tuple, Line) when is_tuple(Tuple) -> {tuple,Line,[abstr_term(E, Line) || E <- tuple_to_list(Tuple)]}; abstr_term([_ | _]=L, Line) -> case io_lib:char_list(L) of true -> - erl_parse:abstract(L, Line); + erl_parse:abstract(L, erl_anno:line(Line)); false -> abstr_list(L, Line) end; @@ -1285,7 +1289,7 @@ abstr_term(Fun, Line) when is_function(Fun) -> abstr_term(PPR, Line) when is_pid(PPR); is_port(PPR); is_reference(PPR) -> {special, Line, lists:flatten(io_lib:write(PPR))}; abstr_term(Simple, Line) -> - erl_parse:abstract(Simple, Line). + erl_parse:abstract(Simple, erl_anno:line(Line)). abstr_list([H | T], Line) -> {cons, Line, abstr_term(H, Line), abstr_list(T, Line)}; @@ -1519,7 +1523,7 @@ join_info(Join, QInfo, Qdata, Code) -> %% Only compared constants (==). [Cs1_0, Cs2_0] end, - L = 0, + L = anno0(), G1_0 = {var,L,'G1'}, G2_0 = {var,L,'G2'}, JP = element(JQNum + 1, Code), %% Create code for wh1 and wh2 in #join{}: @@ -1571,7 +1575,7 @@ join_merge_info(QNum, QInfo, Code, G, ExtraConstants) -> {P, P}; _ -> {PV, _} = aux_name1('P', 0, abstract_vars(P)), - L = 0, + L = erl_anno:new(0), V = {var, L, PV}, {V, {match, L, V, P}} end, @@ -1579,19 +1583,20 @@ join_merge_info(QNum, QInfo, Code, G, ExtraConstants) -> LEI = {generate, term_to_binary(M), LEInfo}, TP = term_to_binary(G), CFs = [begin - Call = {call,0,{atom,0,element},[{integer,0,Col},EPV]}, - F = list2op([{op,0,Op,abstract_term(Con),Call} - || {Con,Op} <- ConstOps], 'or'), + A = anno0(), + Call = {call,A,{atom,A,element},[{integer,A,Col},EPV]}, + F = list2op([{op,A,Op,abstract_term(Con),Call} + || {Con,Op} <- ConstOps], 'or', A), term_to_binary(F) end || {Col,ConstOps} <- ExtraConstants], {{I,G}, [{generate, TP, {qlc, DQP, [LEI | CFs], []}}]} end. -list2op([E], _Op) -> +list2op([E], _Op, _Anno) -> E; -list2op([E | Es], Op) -> - {op,0,Op,E,list2op(Es, Op)}. +list2op([E | Es], Op, Anno) -> + {op,Anno,Op,E,list2op(Es, Op, Anno)}. join_lookup_info(QNum, QInfo, G) -> {generate, _, LEInfo}=I = lists:nth(QNum, QInfo), @@ -1704,7 +1709,7 @@ eval_le(LE_fun, GOpt) -> prep_qlc_lc({simple_v1, PVar, LE_fun, L}, Opt, GOpt, _H) -> check_lookup_option(Opt, false), - prep_simple_qlc(PVar, L, eval_le(LE_fun, GOpt), Opt); + prep_simple_qlc(PVar, anno(L), eval_le(LE_fun, GOpt), Opt); prep_qlc_lc({qlc_v1, QFun, CodeF, Qdata0, QOpt}, Opt, GOpt, _H) -> F = fun(?qual_data(_QNum, _GoI, _SI, fil)=QualData, ModGens) -> {QualData, ModGens}; @@ -1821,7 +1826,7 @@ may_create_simple(#qlc_opt{unique = Unique, cache = Cache} = Opt, if Unique and not IsUnique; (Cache =/= false) and not IsCached -> - prep_simple_qlc(?SIMPLE_QVAR, 1, Prep, Opt); + prep_simple_qlc(?SIMPLE_QVAR, anno(1), Prep, Opt); true -> Prep end. @@ -2764,8 +2769,8 @@ tmp_filename(TmpDirOpt) -> U = "_", Node = node(), Pid = os:getpid(), - {MSecs,Secs,MySecs} = erlang:now(), - F = lists:concat([?MODULE,U,Node,U,Pid,U,MSecs,U,Secs,U,MySecs]), + Unique = erlang:unique_integer(), + F = lists:concat([?MODULE,U,Node,U,Pid,U,Unique]), TmpDir = case TmpDirOpt of "" -> {ok, CurDir} = file:get_cwd(), @@ -3772,6 +3777,15 @@ grd(Fun, Arg) -> false end. +anno0() -> + anno(0). + +anno1() -> + anno(1). + +anno(L) -> + erl_anno:new(L). + family(L) -> sofs:to_external(sofs:relation_to_family(sofs:relation(L))). diff --git a/lib/stdlib/src/qlc_pt.erl b/lib/stdlib/src/qlc_pt.erl index b6bb758dfb..a4d2157b35 100644 --- a/lib/stdlib/src/qlc_pt.erl +++ b/lib/stdlib/src/qlc_pt.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2014. All Rights Reserved. +%% Copyright Ericsson AB 2004-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -39,7 +39,12 @@ opt % #qlc_opt }). --record(state, {imp, maxargs, records, xwarnings = []}). +-record(state, {imp, + maxargs, + records, + xwarnings = [], + intro_vars, + node_info}). %-define(debug, true). @@ -66,37 +71,49 @@ Options :: [Option], Option :: type_checker | compile:option()). -parse_transform(Forms, Options) -> +parse_transform(Forms0, Options) -> ?DEBUG("qlc Parse Transform~n", []), - State = #state{imp = is_qlc_q_imported(Forms), - maxargs = ?COMPILE_MAX_NUM_OF_ARGS, - records = record_attributes(Forms)}, - case called_from_type_checker(Options) of - true -> - %% The returned value should conform to the types, but - %% need not evaluate to anything meaningful. - L = 0, - {tuple,_,Fs0} = abstr(#qlc_lc{}, L), - F = fun(_Id, LC, A) -> - Init = simple(L, 'V', LC, L), - {{tuple,L,set_field(#qlc_lc.lc, Fs0, Init)}, A} - end, - {Forms1,ok} = qlc_mapfold(F, ok, Forms, State), - Forms1; - false -> - FormsNoShadows = no_shadows(Forms, State), - case compile_messages(Forms, FormsNoShadows, Options, State) of - {[],[],Warnings} -> - {NewForms, State1} = transform(FormsNoShadows, State), - ExtraWs = State1#state.xwarnings, - {[],WForms} = no_duplicates(NewForms, [], Warnings, - ExtraWs, Options), - WForms ++ NewForms; - {E0,Errors,Warnings} -> - {EForms,WForms} = no_duplicates(Forms, E0++Errors, - Warnings, [], Options), - EForms ++ WForms ++ Forms - end + Imported = is_qlc_q_imported(Forms0), + {Forms, FormsNoShadows, State} = initiate(Forms0, Imported), + NodeInfo = State#state.node_info, + try + case called_from_type_checker(Options) of + true -> + %% The returned value should conform to the types, but + %% need not evaluate to anything meaningful. + L = anno0(), + {tuple,_,Fs0} = abstr(#qlc_lc{}, L), + F = fun(_Id, LC, A) -> + Init = simple(L, 'V', LC, L), + {{tuple,L,set_field(#qlc_lc.lc, Fs0, Init)}, A} + end, + {Forms1,ok} = qlc_mapfold(F, ok, Forms, State), + Forms1; + false -> + case + compile_messages(Forms, FormsNoShadows, Options, State) + of + {[],Warnings} -> + ?DEBUG("node info1 ~p~n", + [lists:sort(ets:tab2list(NodeInfo))]), + {NewForms, State1} = + transform(FormsNoShadows, State), + ExtraWs = State1#state.xwarnings, + {[],WForms} = no_duplicates(NewForms, [], Warnings, + ExtraWs, Options), + (restore_locations(WForms, State) ++ + restore_anno(NewForms, NodeInfo)); + {Errors,Warnings} -> + ?DEBUG("node info2 ~p~n", + [lists:sort(ets:tab2list(NodeInfo))]), + {EForms,WForms} = no_duplicates(FormsNoShadows, Errors, + Warnings, [], + Options), + restore_locations(EForms ++ WForms, State) ++ Forms0 + end + end + after + true = ets:delete(NodeInfo) end. -spec(transform_from_evaluator(LC, Bs) -> Expr when @@ -124,30 +141,78 @@ called_from_type_checker(Options) -> lists:member(type_checker, Options). transform_expression(LC, Bs0, WithLintErrors) -> - L = 1, + L = anno1(), As = [{var,L,V} || {V,_Val} <- Bs0], Ar = length(As), F = {function,L,bar,Ar,[{clause,L,As,[],[?QLC_Q(L, L, L, L, LC, [])]}]}, - Forms = [{attribute,L,file,{"foo",L}}, - {attribute,L,module,foo}, F], - State = #state{imp = false, - maxargs = ?EVAL_MAX_NUM_OF_ARGS, - records = record_attributes(Forms)}, + Forms0 = [{attribute,L,file,{"foo",L}}, + {attribute,L,module,foo}, F], + {Forms, FormsNoShadows, State} = initiate(Forms0, false), + NodeInfo = State#state.node_info, Options = [], - FormsNoShadows = no_shadows(Forms, State), - case compile_messages(Forms, FormsNoShadows, Options, State) of - {[],[],_Warnings} -> - {NewForms,_State1} = transform(FormsNoShadows, State), - {function,L,bar,Ar,[{clause,L,As,[],[NF]}]} = - lists:last(NewForms), - {ok,NF}; - {E0,Errors,_Warnings} when WithLintErrors -> - {not_ok,mforms(error, E0 ++ Errors)}; - {E0,Errors0,_Warnings} -> - [{error,Reason} | _] = mforms(error, E0++Errors0), - {not_ok, {error, ?APIMOD, Reason}} + try compile_messages(Forms, FormsNoShadows, Options, State) of + {Errors0,_Warnings} -> + case restore_locations(Errors0, State) of + [] -> + {NewForms,_State1} = transform(FormsNoShadows, State), + NewForms1 = restore_anno(NewForms, NodeInfo), + {function,L,bar,Ar,[{clause,L,As,[],[NF]}]} = + lists:last(NewForms1), + {ok,NF}; + Errors when WithLintErrors -> + {not_ok,mforms(error, Errors)}; + Errors -> + [{error,Reason} | _] = mforms(error, Errors), + {not_ok, {error, ?APIMOD, Reason}} + end + after + true = ets:delete(NodeInfo) end. +-ifdef(DEBUG). +-define(ILIM, 0). +-else. +-define(ILIM, 255). +-endif. + +initiate(Forms0, Imported) -> + NodeInfo = ets:new(?APIMOD, []), + true = ets:insert(NodeInfo, {var_n, ?ILIM}), + exclude_integers_from_unique_line_numbers(Forms0, NodeInfo), + ?DEBUG("node info0 ~p~n", + [lists:sort(ets:tab2list(NodeInfo))]), + State0 = #state{imp = Imported, + maxargs = ?EVAL_MAX_NUM_OF_ARGS, + records = record_attributes(Forms0), + node_info = NodeInfo}, + Forms = save_anno(Forms0, NodeInfo), + FormsNoShadows = no_shadows(Forms, State0), + IntroVars = intro_variables(FormsNoShadows, State0), + State = State0#state{intro_vars = IntroVars}, + {Forms, FormsNoShadows, State}. + +%% Make sure restore_locations() does not confuse integers with (the +%% unique) line numbers. +exclude_integers_from_unique_line_numbers(Forms, NodeInfo) -> + Integers = find_integers(Forms), + lists:foreach(fun(I) -> ets:insert(NodeInfo, {I}) end, Integers). + +find_integers(Forms) -> + F = fun(A) -> + Fs1 = erl_parse:map_anno(fun(_) -> A end, Forms), + ordsets:from_list(integers(Fs1, [])) + end, + ordsets:to_list(ordsets:intersection(F(anno0()), F(anno1()))). + +integers([E | Es], L) -> + integers(Es, integers(E, L)); +integers(T, L) when is_tuple(T) -> + integers(tuple_to_list(T), L); +integers(I, L) when is_integer(I), I > ?ILIM -> + [I | L]; +integers(_, L) -> + L. + -define(I(I), {integer, L, I}). -define(A(A), {atom, L, A}). -define(V(V), {var, L, V}). @@ -164,9 +229,15 @@ mforms(Tag, L) -> %% Avoid duplicated lint warnings and lint errors. Care has been taken %% not to introduce unused variables in the transformed code. %% -no_duplicates(Forms, Errors, Warnings0, ExtraWarnings, Options) -> +no_duplicates(Forms, Errors, Warnings0, ExtraWarnings0, Options) -> %% Some mistakes such as "{X} =:= {}" are found by strong %% validation as well as by qlc. Prefer the warnings from qlc: + %% The Compiler and qlc do not agree on the location of errors. + %% For now, qlc's messages about failing patterns and filters + %% are ignored. + ExtraWarnings = [W || W={_File,[{_,qlc,Tag}]} <- + ExtraWarnings0, + not lists:member(Tag, [nomatch_pattern,nomatch_filter])], Warnings1 = mforms(Warnings0) -- ([{File,[{L,v3_core,nomatch}]} || {File,[{L,qlc,M}]} <- mforms(ExtraWarnings), @@ -185,13 +256,22 @@ mforms(L) -> lists:sort([{File,[M]} || {File,Ms} <- L, M <- Ms]). mforms2(Tag, L) -> - Line = 0, + Line = anno0(), ML = lists:flatmap(fun({File,Ms}) -> - [[{attribute,Line,file,{File,Line}}, {Tag,M}] || + [[{attribute,Line,file,{File,0}}, {Tag,M}] || M <- Ms] end, lists:sort(L)), lists:flatten(lists:sort(ML)). +restore_locations([T | Ts], State) -> + [restore_locations(T, State) | restore_locations(Ts, State)]; +restore_locations(T, State) when is_tuple(T) -> + list_to_tuple(restore_locations(tuple_to_list(T), State)); +restore_locations(I, State) when I > ?ILIM -> + restore_loc(I, State); +restore_locations(T, _State) -> + T. + is_qlc_q_imported(Forms) -> [[] || {attribute,_,import,{?APIMOD,FAs}} <- Forms, {?Q,1} <- FAs] =/= []. @@ -212,13 +292,20 @@ compile_messages(Forms, FormsNoShadows, Options, State) -> (_QId, Q, GA, A) -> {Q,GA,A} end, - {_,BGens} = qual_fold(BGenF, [], [], FormsNoShadows, State), + {_,BGens} = qual_fold(BGenF, [], [], Forms, State), GenForm = used_genvar_check(FormsNoShadows, State), ?DEBUG("GenForm = ~ts~n", [catch erl_pp:form(GenForm)]), - WarnFun = fun(Id, LC, A) -> {tag_lines(LC, get_lcid_no(Id)), A} end, + {GEs,_} = compile_forms([GenForm], Options), + UsedGenVarMsgs = used_genvar_messages(GEs, State), + NodeInfo = State#state.node_info, + WarnFun = fun(_Id, LC, A) -> {lc_nodes(LC, NodeInfo), A} end, {WForms,ok} = qlc_mapfold(WarnFun, ok, Forms, State), - {Es,Ws} = compile_forms(WForms ++ [GenForm], Options), - {badarg(Forms, State),tagged_messages(Es)++BGens,tagged_messages(Ws)}. + {Es,Ws} = compile_forms(WForms, Options), + LcEs = lc_messages(Es, NodeInfo), + LcWs = lc_messages(Ws, NodeInfo), + Errors = badarg(Forms, State) ++ UsedGenVarMsgs++LcEs++BGens, + Warnings = LcWs, + {Errors,Warnings}. badarg(Forms, State) -> F = fun(_Id, {lc,_L,_E,_Qs}=LC, Es) -> @@ -230,54 +317,39 @@ badarg(Forms, State) -> {_,E0} = qlc_mapfold(F, [], Forms, State), E0. -tag_lines(E, No) -> - map_lines(fun(Id) -> - case is_lcid(Id) of - true -> Id; - false -> make_lcid(Id, No) - end - end, E). - -map_lines(F, E) -> - erl_lint:modify_line(E, F). - -tagged_messages(MsL) -> - [{File, - [{Loc,Mod,untag(T)} || {Loc0,Mod,T} <- Ms, - {true,Loc} <- [tloc(Loc0)]]} - || {File,Ms} <- MsL] - ++ +lc_nodes(E, NodeInfo) -> + erl_parse:map_anno(fun(Anno) -> + N = erl_anno:line(Anno), + [{N, Data}] = ets:lookup(NodeInfo, N), + NData = Data#{inside_lc => true}, + true = ets:insert(NodeInfo, {N, NData}), + Anno + end, E). + +used_genvar_messages(MsL, S) -> [{File,[{Loc,?APIMOD,{used_generator_variable,V}}]} - || {_, Ms} <- MsL, + || {_, Ms} <- MsL, {XLoc,erl_lint,{unbound_var,_}} <- Ms, - {Loc,File,V} <- [extra(XLoc)]]. - -tloc({Id,Column}) -> - {IsLcid,T} = tloc(Id), - {IsLcid,{T,Column}}; -tloc(Id) -> - IsLcid = is_lcid(Id), - {IsLcid,case IsLcid of - true -> get_lcid_line(Id); - false -> any - end}. - -extra({extra,Line,File,V}) -> - {Line,File,V}; -extra({Line,Column}) -> - case extra(Line) of - {L,File,V} -> {{L,Column},File,V}; - Else -> Else - end; -extra(Else) -> - Else. - -untag([E | Es]) -> [untag(E) | untag(Es)]; -untag(T) when is_tuple(T) -> list_to_tuple(untag(tuple_to_list(T))); -untag(E) -> - case is_lcid(E) of - true -> get_lcid_line(E); - false -> E + {Loc,File,V} <- [genvar_pos(XLoc, S)]]. + +lc_messages(MsL, NodeInfo) -> + [{File,[{Loc,Mod,T} || {Loc,Mod,T} <- Ms, lc_loc(Loc, NodeInfo)]} || + {File,Ms} <- MsL]. + +lc_loc(N, NodeInfo) -> + case ets:lookup(NodeInfo, N) of + [{N, #{inside_lc := true}}] -> + true; + [{N, _}] -> + false + end. + +genvar_pos(Location, S) -> + case ets:lookup(S#state.node_info, Location) of + [{Location, #{genvar_pos := Pos}}] -> + Pos; + [] -> + Location end. %% -> [{Qid,[variable()]}]. @@ -293,6 +365,7 @@ untag(E) -> %% variables (unless they are unsafe). %% intro_variables(FormsNoShadows, State) -> + NodeInfo = State#state.node_info, Fun = fun(QId, {T,_L,P0,_E0}=Q, {GVs,QIds}, Foo) when T =:= b_generate; T =:= generate -> PVs = qlc:var_ufold(fun({var,_,V}) -> {QId,V} end, P0), @@ -302,10 +375,11 @@ intro_variables(FormsNoShadows, State) -> %% where E is an LC expression consisting of a %% template mentioning all variables occurring in F. Vs = ordsets:to_list(qlc:vars(Filter0)), - Id = QId#qid.lcid, - LC1 = embed_vars(intro_set_line({QId,f1}, Vs), Id), - LC2 = embed_vars(intro_set_line({QId,f2}, Vs), Id), - AnyLine = -1, + AnyLine = anno0(), + Vars = [{var,AnyLine,V} || V <- Vs], + LC = embed_vars(Vars, AnyLine), + LC1 = intro_anno(LC, before, QId, NodeInfo), + LC2 = intro_anno(LC, 'after', QId, NodeInfo), Filter = {block,AnyLine,[LC1,Filter0,LC2]}, {Filter,{GVs,[{QId,[]} | QIds]},Foo} end, @@ -317,9 +391,15 @@ intro_variables(FormsNoShadows, State) -> Es0 = compile_errors(FForms), %% A variable is bound inside the filter if it is not bound before %% the filter, but it is bound after the filter (obviously). - Before = [{QId,V} || {{QId,f1},erl_lint,{unbound_var,V}} <- Es0], - After = [{QId,V} || {{QId,f2},erl_lint,{unbound_var,V}} <- Es0], - Unsafe = [{QId,V} || {{QId,f2},erl_lint,{unsafe_var,V,_Where}} <- Es0], + Before = [{QId,V} || + {L,erl_lint,{unbound_var,V}} <- Es0, + {_L,{QId,before}} <- ets:lookup(NodeInfo, L)], + After = [{QId,V} || + {L,erl_lint,{unbound_var,V}} <- Es0, + {_L,{QId,'after'}} <- ets:lookup(NodeInfo, L)], + Unsafe = [{QId,V} || + {L,erl_lint,{unsafe_var,V,_Where}} <- Es0, + {_L,{QId,'after'}} <- ets:lookup(NodeInfo, L)], ?DEBUG("Before = ~p~n", [Before]), ?DEBUG("After = ~p~n", [After]), ?DEBUG("Unsafe = ~p~n", [Unsafe]), @@ -328,9 +408,14 @@ intro_variables(FormsNoShadows, State) -> I1 = family(IV ++ GenVars), sofs:to_external(sofs:family_union(sofs:family(QIds), I1)). -intro_set_line(Tag, Vars) -> - L = erl_parse:set_line(1, fun(_) -> Tag end), - [{var,L,V} || V <- Vars]. +intro_anno(LC, Where, QId, NodeInfo) -> + Data = {QId,Where}, + Fun = fun(Anno) -> + Location = erl_anno:location(Anno), + true = ets:insert(NodeInfo, {Location,Data}), + Anno + end, + erl_parse:map_anno(Fun, save_anno(LC, NodeInfo)). compile_errors(FormsNoShadows) -> case compile_forms(FormsNoShadows, []) of @@ -341,11 +426,8 @@ compile_errors(FormsNoShadows) -> lists:flatmap(fun({_File,Es}) -> Es end, Errors) end. --define(MAX_NUM_OF_LINES, 23). % assume max 1^23 lines (> 8 millions) - compile_forms(Forms0, Options) -> - Forms = [F || F <- Forms0, element(1, F) =/= eof] ++ - [{eof,1 bsl ?MAX_NUM_OF_LINES}], + Forms = [F || F <- Forms0, element(1, F) =/= eof] ++ [{eof,anno0()}], try case compile:noenv_forms(Forms, compile_options(Options)) of {ok, _ModName, Ws0} -> @@ -384,20 +466,23 @@ bitstr_options() -> %% for each ListExpr. The expression mentions all introduced variables %% occurring in ListExpr. Running the function through the compiler %% yields error messages for erroneous use of introduced variables. -%% The messages have the form -%% {{extra,LineNo,File,Var},Module,{unbound_var,V}}, where Var is the -%% original variable name and V is the name invented by no_shadows/2. %% used_genvar_check(FormsNoShadows, State) -> - F = fun(QId, {T, Ln, _P, LE}=Q, {QsIVs0, Exprs0}, IVsSoFar0) + NodeInfo = State#state.node_info, + F = fun(QId, {T, Ln, _P, LE}=Q, {QsIVs0, Exprs0}, IVsSoFar0) when T =:= b_generate; T =:= generate -> - F = fun({var, _, V}=Var) -> - {var, L, OrigVar} = undo_no_shadows(Var), - AF = fun(Line) -> - {extra, Line, get(?QLC_FILE), OrigVar} - end, - L2 = erl_parse:set_line(L, AF), - {var, L2, V} + F = fun(Var) -> + {var, Anno0, OrigVar} = + undo_no_shadows(Var, State), + {var, Anno, _} = NewVar = save_anno(Var, NodeInfo), + Location0 = erl_anno:location(Anno0), + Location = erl_anno:location(Anno), + [{Location, Data}] = + ets:lookup(NodeInfo, Location), + Pos = {Location0,get(?QLC_FILE),OrigVar}, + NData = Data#{genvar_pos => Pos}, + true = ets:insert(NodeInfo, {Location, NData}), + NewVar end, Vs = [Var || {var, _, V}=Var <- qlc:var_fold(F, [], LE), lists:member(V, IVsSoFar0)], @@ -411,12 +496,12 @@ used_genvar_check(FormsNoShadows, State) -> {QsIVs, IVsSoFar} = q_intro_vars(QId, QsIVs0, IVsSoFar0), {Filter, {QsIVs, Exprs}, IVsSoFar} end, - IntroVars = intro_variables(FormsNoShadows, State), - Acc0 = {IntroVars, [{atom, 0, true}]}, + Acc0 = {State#state.intro_vars, [{atom, anno0(), true}]}, {_, {[], Exprs}} = qual_fold(F, Acc0, [], FormsNoShadows, State), FunctionNames = [Name || {function, _, Name, _, _} <- FormsNoShadows], UniqueFName = qlc:aux_name(used_genvar, 1, sets:from_list(FunctionNames)), - {function,0,UniqueFName,0,[{clause,0,[],[],lists:reverse(Exprs)}]}. + A = anno0(), + {function,A,UniqueFName,0,[{clause,A,[],[],lists:reverse(Exprs)}]}. q_intro_vars(QId, [{QId, IVs} | QsIVs], IVsSoFar) -> {QsIVs, IVs ++ IVsSoFar}. @@ -514,7 +599,8 @@ q_intro_vars(QId, [{QId, IVs} | QsIVs], IVsSoFar) -> {QsIVs, IVs ++ IVsSoFar}. %% (calling LEf returns the objects generated by LE). transform(FormsNoShadows, State) -> - IntroVars = intro_variables(FormsNoShadows, State), + _ = erlang:system_flag(backtrace_depth, 500), + IntroVars = State#state.intro_vars, AllVars = sets:from_list(ordsets:to_list(qlc:vars(FormsNoShadows))), ?DEBUG("AllVars = ~p~n", [sets:to_list(AllVars)]), F1 = fun(QId, {generate,_,P,LE}, Foo, {GoI,SI}) -> @@ -588,8 +674,8 @@ transform(FormsNoShadows, State) -> [{match,L,{var,L,Fun},FunC}, {call,L,{var,L,Fun},As0}]}]}}, {ok, OrigE0} = dict:find(Id, Source), - OrigE = undo_no_shadows(OrigE0), - QCode = qcode(OrigE, XQCs, Source, L), + OrigE = undo_no_shadows(OrigE0, State), + QCode = qcode(OrigE, XQCs, Source, L, State), Qdata = qdata(XQCs, L), TemplateInfo = template_columns(Qs, E, AllIVs, Dependencies, State), @@ -598,7 +684,7 @@ transform(FormsNoShadows, State) -> Opt = opt_info(TemplateInfo, SizeInfo, JoinInfo, MSQs, L, EqColumnConstants, EqualColumnConstants), LCTuple = - case qlc_kind(OrigE, Qs) of + case qlc_kind(OrigE, Qs, State) of qlc -> {tuple,L,[?A(qlc_v1),FunW,QCode,Qdata,Opt]}; {simple, PL, LE, V} -> @@ -612,7 +698,7 @@ transform(FormsNoShadows, State) -> end, {NForms,{[],XW}} = qlc_mapfold(F2, {IntroVars,[]}, ModifiedForms1, State), display_forms(NForms), - {restore_line_numbers(NForms), State#state{xwarnings = XW}}. + {NForms, State#state{xwarnings = XW}}. join_kind(Qs, LcL, AllIVs, Dependencies, State) -> {EqualCols2, EqualColsN} = equal_columns(Qs, AllIVs, Dependencies, State), @@ -623,20 +709,21 @@ join_kind(Qs, LcL, AllIVs, Dependencies, State) -> if EqualColsN =/= []; MatchColsN =/= [] -> {[], - [{get(?QLC_FILE),[{abs(LcL),?APIMOD,too_complex_join}]}]}; + [{get(?QLC_FILE),[{LcL,?APIMOD,too_complex_join}]}]}; EqualCols2 =:= [], MatchCols2 =:= [] -> {[], []}; length(Tables) > 2 -> {[], - [{get(?QLC_FILE),[{abs(LcL),?APIMOD,too_many_joins}]}]}; + [{get(?QLC_FILE),[{LcL,?APIMOD,too_many_joins}]}]}; EqualCols2 =:= MatchCols2 -> {EqualCols2, []}; true -> {{EqualCols2, MatchCols2}, []} end. -qlc_kind(OrigE, Qs) -> - {OrigFilterData, OrigGeneratorData} = qual_data(undo_no_shadows(Qs)), +qlc_kind(OrigE, Qs, State) -> + {OrigFilterData, OrigGeneratorData} = + qual_data(undo_no_shadows(Qs, State)), OrigAllFilters = filters_as_one(OrigFilterData), {_FilterData, GeneratorData} = qual_data(Qs), case {OrigE, OrigAllFilters, OrigGeneratorData} of @@ -663,12 +750,12 @@ warn_failing_qualifiers(Qualifiers, AllIVs, Dependencies, State) -> lists:foldl(fun({_QId,{fil,_Filter}}, {[]=Frames,Warnings}) -> {Frames,Warnings}; ({_QId,{fil,Filter}}, {Frames,Warnings}) -> - case filter(set_line(Filter, 0), Frames, BindFun, + case filter(reset_anno(Filter), Frames, BindFun, State, Imported) of [] -> {[], [{get(?QLC_FILE), - [{abs_loc(element(2, Filter)),?APIMOD, + [{loc(element(2, Filter)),?APIMOD, nomatch_filter}]} | Warnings]}; Frames1 -> {Frames1,Warnings} @@ -678,7 +765,7 @@ warn_failing_qualifiers(Qualifiers, AllIVs, Dependencies, State) -> {failed, _, _} -> {Frames, [{get(?QLC_FILE), - [{abs_loc(element(2, Pattern)),?APIMOD, + [{loc(element(2, Pattern)),?APIMOD, nomatch_pattern}]} | Warnings]}; _ -> {Frames,Warnings} @@ -751,8 +838,8 @@ opt_constants(L, ColumnConstants) -> || IdNo <- Ns] ++ [{clause,L,[?V('_')],[],[?A(no_column_fun)]}]. -abstr(Term, Line) -> - erl_parse:abstract(Term, Line). +abstr(Term, Anno) -> + erl_parse:abstract(Term, loc(Anno)). %% Extra generators are introduced for join. join_quals(JoinInfo, QCs, L, LcNo, ExtraConstants, AllVars) -> @@ -837,9 +924,10 @@ join_handle(AP, L, [F, H, O, C], Constants) -> {{var, _, _}, []} -> {'fun',L,{clauses,[{clause,L,[H],[],[H]}]}}; _ -> + A = anno0(), G0 = [begin - Call = {call,0,{atom,0,element},[{integer,0,Col},O]}, - list2op([{op,0,Op,Con,Call} || {Con,Op} <- Cs], 'or') + Call = {call,A,{atom,A,element},[{integer,A,Col},O]}, + list2op([{op,A,Op,Con,Call} || {Con,Op} <- Cs], 'or') end || {Col,Cs} <- Constants], G = if G0 =:= [] -> G0; true -> [G0] end, CC1 = {clause,L,[AP],G,[{cons,L,O,closure({call,L,F,[F,C]},L)}]}, @@ -876,14 +964,15 @@ join_handle_constants(QId, ExtraConstants) -> %% order the traverse fun would return them. column_fun(Columns, QualifierNumber, LcL) -> + A = anno0(), ColCls0 = [begin true = Vs0 =/= [], % at least one value to look up Vs1 = list2cons(Vs0), - Fils1 = {tuple,0,[{atom,0,FTag}, + Fils1 = {tuple,A,[{atom,A,FTag}, lists:foldr - (fun(F, A) -> {cons,0,{integer,0,F},A} - end, {nil,0}, Fils)]}, + (fun(F, Ac) -> {cons,A,{integer,A,F},Ac} + end, {nil,A}, Fils)]}, Tag = case ordsets:to_list(qlc:vars(Vs1)) of Imp when length(Imp) > 0, % imported vars length(Vs0) > 1 -> @@ -891,13 +980,13 @@ column_fun(Columns, QualifierNumber, LcL) -> _ -> values end, - Vs = {tuple,0,[{atom,0,Tag},Vs1,Fils1]}, - {clause,0,[erl_parse:abstract(Col)],[],[Vs]} + Vs = {tuple,A,[{atom,A,Tag},Vs1,Fils1]}, + {clause,A,[erl_parse:abstract(Col)],[],[Vs]} end || {{CIdNo,Col}, Vs0, {FTag,Fils}} <- Columns, CIdNo =:= QualifierNumber] - ++ [{clause,0,[{var,0,'_'}],[],[{atom,0,false}]}], - ColCls = set_line(ColCls0, LcL), + ++ [{clause,A,[{var,A,'_'}],[],[{atom,A,false}]}], + ColCls = set_anno(ColCls0, LcL), {'fun', LcL, {clauses, ColCls}}. %% Tries to find columns of the template that (1) are equal to (or @@ -920,7 +1009,7 @@ template_columns(Qs0, E0, AllIVs, Dependencies, State) -> MatchColumns = eq_columns2(Qs, AllIVs, Dependencies, State), Equal = template_cols(EqualColumns), Match = template_cols(MatchColumns), - L = 0, + L = anno0(), if Match =:= Equal -> [{?V('_'), Match}]; @@ -947,7 +1036,7 @@ template_cols(ColumnClasses) -> template_as_pattern(E) -> P = simple_template(E), - {?TID,foo,foo,{gen,P,{nil,0}}}. + {?TID,foo,foo,{gen,P,{nil,anno0()}}}. simple_template({call,L,{remote,_,{atom,_,erlang},{atom,_,element}}=Call, [{integer,_,I}=A1,A2]}) when I > 0 -> @@ -1004,10 +1093,10 @@ match_spec_quals(Template, Dependencies, Qualifiers, State) -> GQId =:= QId2, {FQId,{fil,F}}=Filter <- Filters, % guard filters only FQId =:= QId] - ++ [{GId#qid.no,Pattern,[],{atom,0,true}} || + ++ [{GId#qid.no,Pattern,[],{atom,anno0(),true}} || {GId,{gen,Pattern,_}} <- GeneratorData, lists:member(GId, NoFilterGIds)], - E = {nil, 0}, + E = {nil, anno0()}, GF = [{{GNum,Pattern},Filter} || {GNum,Pattern,Filter,F} <- Candidates, no =/= try_ms(E, Pattern, F, State)], @@ -1024,7 +1113,7 @@ match_spec_quals(Template, Dependencies, Qualifiers, State) -> %% expressione can be replaced by a match specification. [{GNum, AbstrMS, all}] catch _:_ -> - {TemplVar, _} = anon_var({var,0,'_'}, 0), + {TemplVar, _} = anon_var({var,anno0(),'_'}, 0), [one_gen_match_spec(GNum, Pattern, GFilterData, State, TemplVar) || {{GNum,Pattern},GFilterData} <- GFFL] end. @@ -1038,7 +1127,7 @@ gen_ms(E, Pattern, GFilterData, State) -> {ok, MS, AMS} = try_ms(E, Pattern, filters_as_one(GFilterData), State), case MS of [{'$1',[true],['$1']}] -> - {atom, 0, no_match_spec}; + {atom, anno0(), no_match_spec}; _ -> AMS end. @@ -1060,7 +1149,7 @@ pattern_as_template({match,_,_E,{var,_,_}=V}=P, _TemplVar) -> pattern_as_template({match,_,{var,_,_}=V,_E}=P, _TemplVar) -> {V, P}; pattern_as_template(E, TemplVar) -> - L = 0, + L = anno0(), {TemplVar, {match, L, E, TemplVar}}. %% Tries to find columns which are compared or matched against @@ -1203,7 +1292,7 @@ lu_skip(ColConstants, FilterData, PatternFrame, PatternVars, ColFil = [{Column, FId#qid.no} || {FId,{fil,Fil}} <- filter_list(FilterData, Dependencies, State), - [] =/= (SFs = safe_filter(set_line(Fil, 0), PatternFrames, + [] =/= (SFs = safe_filter(reset_anno(Fil), PatternFrames, BindFun, State, Imported)), {GId,PV} <- PatternVars, [] =/= @@ -1392,7 +1481,7 @@ join_skip(JoinClasses, FilterData, PatternFrame, PatternVars, Dependencies, JF = unify(JoinOp, V1, V2, JF2, BindFun, Imported), %% "Run" the filter: - SFs = safe_filter(set_line(Fil, 0), PatternFrames, + SFs = safe_filter(reset_anno(Fil), PatternFrames, BindFun, State, Imported), JImp = qlc:vars([SFs, JF]), % kludge lists:all(fun(Frame) -> @@ -1403,7 +1492,7 @@ join_skip(JoinClasses, FilterData, PatternFrame, PatternVars, Dependencies, filter_info(FilterData, AllIVs, Dependencies, State) -> FilterList = filter_list(FilterData, Dependencies, State), - Filter0 = set_line(filters_as_one(FilterList), 0), + Filter0 = reset_anno(filters_as_one(FilterList)), Anon0 = 0, {Filter, Anon1} = anon_var(Filter0, Anon0), Imported = ordsets:subtract(qlc:vars(Filter), % anonymous too @@ -1510,7 +1599,7 @@ pattern(P0, AnonI, Frame0, BindFun, State) -> catch _:_ -> P0 % template, records already expanded end, %% Makes test for equality simple: - P2 = set_line(P1, 0), + P2 = reset_anno(P1), {P3, AnonN} = anon_var(P2, AnonI), {P4, F1} = match_in_pattern(tuple2cons(P3), Frame0, BindFun), {P, F2} = element_calls(P4, F1, BindFun, _Imp=[]), % kludge for templates @@ -1550,8 +1639,11 @@ anon_var(E, AnonI) -> (Var, N) -> {Var, N} end, AnonI, E). -set_line(T, L) -> - map_lines(fun(_L) -> L end, T). +reset_anno(T) -> + set_anno(T, anno0()). + +set_anno(T, A) -> + erl_parse:map_anno(fun(_L) -> A end, T). -record(fstate, {state, bind_fun, imported}). @@ -1673,7 +1765,7 @@ frames_to_columns(Fs, PatternVars, DerefFun, SelectorFun, Imp, CompOp) -> %% same variables have to be the representatives in every frame.) SizesVarsL = [begin - PatVar = {var,0,PV}, + PatVar = {var,anno0(),PV}, PatternSizes = [pattern_size([F], PatVar, false) || F <- Fs], MaxPZ = lists:max([0 | PatternSizes -- [undefined]]), @@ -1692,8 +1784,8 @@ frames_to_columns(Fs, PatternVars, DerefFun, SelectorFun, Imp, CompOp) -> frames2cols(Fs, PatN, PatSizes, Vars, DerefFun, SelectorFun, CompOp) -> Rs = [ begin RL = [{{PatN,Col},cons2tuple(element(2, Const))} || - {V, Col} <- lists:zip(sublist(Vars, PatSz), - seq(1, PatSz)), + {V, Col} <- lists:zip(lists:sublist(Vars, PatSz), + lists:seq(1, PatSz)), %% Do not handle the case where several %% values compare equal, e.g. "X =:= 1 %% andalso X == 1.0". Looking up both @@ -1722,11 +1814,11 @@ frames2cols(Fs, PatN, PatSizes, Vars, DerefFun, SelectorFun, CompOp) -> [C || {_,Vs}=C <- sofs:to_external(Cs), not col_ignore(Vs, CompOp)]. pat_vars(N) -> - [unique_var() || _ <- seq(1, N)]. + [unique_var() || _ <- lists:seq(1, N)]. pat_tuple(Sz, Vars) when is_integer(Sz), Sz > 0 -> TupleTail = unique_var(), - {cons_tuple, list2cons(sublist(Vars, Sz) ++ TupleTail)}; + {cons_tuple, list2cons(lists:sublist(Vars, Sz) ++ TupleTail)}; pat_tuple(_, _Vars) -> unique_var(). @@ -1740,7 +1832,7 @@ col_ignore(Vs, '==') -> pattern_sizes(PatternVars, Fs) -> [{QId#qid.no, Size} || {QId,PV} <- PatternVars, - undefined =/= (Size = pattern_size(Fs, {var,0,PV}, true))]. + undefined =/= (Size = pattern_size(Fs, {var,anno0(),PV}, true))]. pattern_size(Fs, PatternVar, Exact) -> Fun = fun(F) -> (deref_pattern(_Imported = []))(PatternVar, F) end, @@ -1768,7 +1860,8 @@ prep_expr(E, F, S, BF, Imported) -> element_calls(tuple2cons(expand_expr_records(E, S)), F, BF, Imported). unify_column(Frame, Var, Col, BindFun, Imported) -> - Call = {call,0,{atom,0,element},[{integer,0,Col}, {var,0,Var}]}, + A = anno0(), + Call = {call,A,{atom,A,element},[{integer,A,Col}, {var,A,Var}]}, element_calls(Call, Frame, BindFun, Imported). %% cons_tuple is used for representing {V1, ..., Vi | TupleTail}. @@ -1800,19 +1893,21 @@ element_calls(E, F, _BF, _Imported) -> {E, F}. unique_var() -> - {var, 0, make_ref()}. + {var, anno0(), make_ref()}. is_unique_var({var, _L, V}) -> is_reference(V). expand_pattern_records(P, State) -> - E = {'case',0,{atom,0,true},[{clause,0,[P],[],[{atom,0,true}]}]}, - {'case',_,_,[{clause,0,[NP],_,_}]} = expand_expr_records(E, State), + A = anno0(), + E = {'case',A,{atom,A,true},[{clause,A,[P],[],[{atom,A,true}]}]}, + {'case',_,_,[{clause,A,[NP],_,_}]} = expand_expr_records(E, State), NP. expand_expr_records(E, State) -> RecordDefs = State#state.records, - Forms = RecordDefs ++ [{function,1,foo,0,[{clause,1,[],[],[pe(E)]}]}], + A = anno1(), + Forms = RecordDefs ++ [{function,A,foo,0,[{clause,A,[],[],[pe(E)]}]}], [{function,_,foo,0,[{clause,_,[],[],[NE]}]}] = erl_expand_records:module(Forms, [no_strict_record_tests]), NE. @@ -2126,15 +2221,15 @@ tuple2cons(E) -> E. list2cons([E | Es]) -> - {cons, 0, E, list2cons(Es)}; + {cons, anno0(), E, list2cons(Es)}; list2cons([]) -> - {nil, 0}; + {nil, anno0()}; list2cons(E) -> E. %% Returns {..., Variable} if Variable is a tuple tail. cons2tuple({cons_tuple, Es}) -> - {tuple, 0, cons2list(Es)}; + {tuple, anno0(), cons2list(Es)}; cons2tuple(T) when is_tuple(T) -> list_to_tuple(cons2tuple(tuple_to_list(T))); cons2tuple([E | Es]) -> @@ -2173,11 +2268,10 @@ bindings_subset(F1, F2, Imp) -> %% not to have guard semantics, affected filters will have to be %% recognized and excluded here as well. try_ms(E, P, Fltr, State) -> - L = 1, + L = anno1(), Fun = {'fun',L,{clauses,[{clause,L,[P],[[Fltr]],[E]}]}}, Expr = {call,L,{remote,L,{atom,L,ets},{atom,L,fun2ms}},[Fun]}, - Form0 = {function,L,foo,0,[{clause,L,[],[],[Expr]}]}, - Form = restore_line_numbers(Form0), + Form = {function,L,foo,0,[{clause,L,[],[],[Expr]}]}, X = ms_transform:parse_transform(State#state.records ++ [Form], []), case catch begin @@ -2194,11 +2288,11 @@ try_ms(E, P, Fltr, State) -> end. filters_as_one([]) -> - {atom, 0, true}; + {atom, anno0(), true}; filters_as_one(FilterData) -> [{_,{fil,Filter1}} | Filters] = lists:reverse(FilterData), lists:foldr(fun({_QId,{fil,Filter}}, AbstF) -> - {op,0,'andalso',Filter,AbstF} + {op,anno0(),'andalso',Filter,AbstF} end, Filter1, Filters). qual_data(Qualifiers) -> @@ -2233,38 +2327,40 @@ qdata([], L) -> {nil,L}. qcon(Cs) -> - list2cons([{tuple,0,[{integer,0,Col},list2cons(qcon1(ConstOps))]} || + A = anno0(), + list2cons([{tuple,A,[{integer,A,Col},list2cons(qcon1(ConstOps))]} || {Col,ConstOps} <- Cs]). qcon1(ConstOps) -> - [{tuple,0,[Const,abstr(Op, 0)]} || {Const,Op} <- ConstOps]. + A = anno0(), + [{tuple,A,[Const,abstr(Op, A)]} || {Const,Op} <- ConstOps]. %% The original code (in Source) is used for filters and the template %% since the translated code can have QLCs and we don't want them to %% be visible. -qcode(E, QCs, Source, L) -> +qcode(E, QCs, Source, L, State) -> CL = [begin Bin = term_to_binary(C, [compressed]), {bin, L, [{bin_element, L, {string, L, binary_to_list(Bin)}, default, default}]} end || {_,C} <- lists:keysort(1, [{qlc:template_state(),E} | - qcode(QCs, Source)])], + qcode(QCs, Source, State)])], {'fun', L, {clauses, [{clause, L, [], [], [{tuple, L, CL}]}]}}. -qcode([{_QId, {_QIvs, {{gen,P,_LE,_GV}, GoI, _SI}}} | QCs], Source) -> - [{GoI,undo_no_shadows(P)} | qcode(QCs, Source)]; -qcode([{QId, {_QIVs, {{fil,_F}, GoI, _SI}}} | QCs], Source) -> +qcode([{_QId, {_QIvs, {{gen,P,_LE,_GV}, GoI, _SI}}} | QCs], Source, State) -> + [{GoI,undo_no_shadows(P, State)} | qcode(QCs, Source, State)]; +qcode([{QId, {_QIVs, {{fil,_F}, GoI, _SI}}} | QCs], Source, State) -> {ok,OrigF} = dict:find(QId, Source), - [{GoI,undo_no_shadows(OrigF)} | qcode(QCs, Source)]; -qcode([], _Source) -> + [{GoI,undo_no_shadows(OrigF, State)} | qcode(QCs, Source, State)]; +qcode([], _Source, _State) -> []. closure(Code, L) -> {'fun',L,{clauses,[{clause,L,[],[],[Code]}]}}. -simple(L, Var, Init, Line) -> - {tuple,L,[?A(simple_v1),?A(Var),Init,?I(Line)]}. +simple(L, Var, Init, Anno) -> + {tuple,L,[?A(simple_v1),?A(Var),Init,abstr(loc(Anno), Anno)]}. clauses([{QId,{QIVs,{QualData,GoI,S}}} | QCs], RL, Fun, Go, NGV, E, IVs,St) -> ?DEBUG("QIVs = ~p~n", [QIVs]), @@ -2426,19 +2522,22 @@ aux_var(Name, LcN, QN, N, AllVars) -> qlc:aux_name(lists:concat([Name, LcN, '_', QN, '_']), N, AllVars). no_compiler_warning(L) -> - erl_parse:set_line(L, fun(Line) -> -abs(Line) end). + Anno = erl_anno:new(L), + erl_anno:set_generated(true, Anno). -abs_loc(L) -> - loc(erl_parse:set_line(L, fun(Line) -> abs(Line) end)). - -loc(L) -> - {location,Location} = erl_parse:get_attribute(L, location), - Location. +loc(A) -> + erl_anno:location(A). list2op([E], _Op) -> E; list2op([E | Es], Op) -> - {op,0,Op,E,list2op(Es, Op)}. + {op,anno0(),Op,E,list2op(Es, Op)}. + +anno0() -> + erl_anno:new(0). + +anno1() -> + erl_anno:new(1). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -2491,13 +2590,61 @@ qlcmf(T, _F, _Imp, A, No) -> occ_vars(E) -> qlc:var_fold(fun({var,_L,V}) -> V end, [], E). +%% Every Anno is replaced by a unique number. The number is used in a +%% table that holds data about the abstract node where Anno resides. +%% In particular, the original location is kept there, so that the +%% original abstract code can be re-created. +save_anno(Abstr, NodeInfo) -> + F = fun(Anno) -> + N = next_slot(NodeInfo), + Location = erl_anno:location(Anno), + Data = {N, #{location => Location}}, + true = ets:insert(NodeInfo, Data), + erl_anno:new(N) + end, + erl_parse:map_anno(F, Abstr). + +next_slot(T) -> + I = ets:update_counter(T, var_n, 1), + case ets:lookup(T, I) of + [] -> + I; + _ -> + next_slot(T) + end. + +restore_anno(Abstr, NodeInfo) -> + F = fun(Anno) -> + Location = erl_anno:location(Anno), + case ets:lookup(NodeInfo, Location) of + [{Location, Data}] -> + OrigLocation = maps:get(location, Data), + erl_anno:set_location(OrigLocation, Anno); + [{Location}] -> % generated code + Anno; + [] -> + Anno + end + end, + erl_parse:map_anno(F, Abstr). + +restore_loc(Location, #state{node_info = NodeInfo}) -> + case ets:lookup(NodeInfo, Location) of + [{Location, #{location := OrigLocation}}] -> + OrigLocation; + [{Location}] -> + Location; + [] -> + Location + end. + no_shadows(Forms0, State) -> %% Variables that may shadow other variables are introduced in %% LCs and Funs. Such variables (call them SV, Shadowing %% Variables) are now renamed. Each (new) occurrence in a pattern %% is assigned an index (integer), unique in the file. %% - %% The state {LastIndex,ActiveVars,UsedVars,AllVars,Singletons} + %% The state {LastIndex,ActiveVars,UsedVars,AllVars,Singletons,State} %% holds the last index used for each SV (LastIndex), the SVs in %% the current scope (ActiveVars), used SVs (UsedVars, the indexed %% name is the key), all variables occurring in the file @@ -2507,16 +2654,15 @@ no_shadows(Forms0, State) -> %% the indexed name of an SV occurs in the file, next index is %% tried (to avoid mixing up introduced names with existing ones). %% - %% The original names of variables are kept in the line number - %% position of the abstract code: {var, {nos, OriginalName, L}, - %% NewName}. undo_no_shadows/1 re-creates the original code. + %% The original names of variables are kept in a table in State. + %% undo_no_shadows/2 re-creates the original code. AllVars = sets:from_list(ordsets:to_list(qlc:vars(Forms0))), ?DEBUG("nos AllVars = ~p~n", [sets:to_list(AllVars)]), VFun = fun(_Id, LC, Vs) -> nos(LC, Vs) end, LI = ets:new(?APIMOD,[]), UV = ets:new(?APIMOD,[]), D0 = dict:new(), - S1 = {LI, D0, UV, AllVars, []}, + S1 = {LI, D0, UV, AllVars, [], State}, _ = qlc_mapfold(VFun, S1, Forms0, State), ?DEBUG("UsedIntroVars = ~p~n", [ets:match_object(UV, '_')]), Singletons = ets:select(UV, ets:fun2ms(fun({K,0}) -> K end)), @@ -2524,7 +2670,7 @@ no_shadows(Forms0, State) -> true = ets:delete_all_objects(LI), true = ets:delete_all_objects(UV), %% Do it again, this time we know which variables are singletons. - S2 = {LI, D0, UV, AllVars, Singletons}, + S2 = {LI, D0, UV, AllVars, Singletons, State}, {Forms,_} = qlc_mapfold(VFun, S2, Forms0, State), true = ets:delete(LI), true = ets:delete(UV), @@ -2568,11 +2714,11 @@ nos({lc,L,E0,Qs0}, S) -> {Qs, S1} = lists:mapfoldl(F, S, Qs0), {E, _} = nos(E0, S1), {{lc,L,E,Qs}, S}; -nos({var,L,V}=Var, {_LI,Vs,UV,_A,_Sg}=S) when V =/= '_' -> +nos({var,L,V}=Var, {_LI,Vs,UV,_A,_Sg,State}=S) when V =/= '_' -> case used_var(V, Vs, UV) of {true, VN} -> - NL = nos_var(L, V), - {{var,NL,VN}, S}; + nos_var(L, V, State), + {{var,L,VN}, S}; false -> {Var, S} end; @@ -2590,7 +2736,7 @@ nos_pattern([P0 | Ps0], S0, PVs0) -> {P, S1, PVs1} = nos_pattern(P0, S0, PVs0), {Ps, S, PVs} = nos_pattern(Ps0, S1, PVs1), {[P | Ps], S, PVs}; -nos_pattern({var,L,V}, {LI,Vs0,UV,A,Sg}, PVs0) when V =/= '_' -> +nos_pattern({var,L,V}, {LI,Vs0,UV,A,Sg,State}, PVs0) when V =/= '_' -> {Name, Vs, PVs} = case lists:keyfind(V, 1, PVs0) of {V, VN} -> @@ -2604,16 +2750,25 @@ nos_pattern({var,L,V}, {LI,Vs0,UV,A,Sg}, PVs0) when V =/= '_' -> end, {N, Vs1, [{V,VN} | PVs0]} end, - NL = nos_var(L, V), - {{var,NL,Name}, {LI,Vs,UV,A,Sg}, PVs}; + nos_var(L, V, State), + {{var,L,Name}, {LI,Vs,UV,A,Sg,State}, PVs}; nos_pattern(T, S0, PVs0) when is_tuple(T) -> {TL, S, PVs} = nos_pattern(tuple_to_list(T), S0, PVs0), {list_to_tuple(TL), S, PVs}; nos_pattern(T, S, PVs) -> {T, S, PVs}. -nos_var(L, Name) -> - erl_parse:set_line(L, fun(Line) -> {nos,Name,Line} end). +nos_var(Anno, Name, State) -> + NodeInfo = State#state.node_info, + Location = erl_anno:location(Anno), + case ets:lookup(NodeInfo, Location) of + [{Location, #{name := _}}] -> + true; + [{Location, Data}] -> + true = ets:insert(NodeInfo, {Location, Data#{name => Name}}); + [] -> % cannot happen + true + end. used_var(V, Vs, UV) -> case dict:find(V, Vs) of @@ -2638,69 +2793,30 @@ next_var(V, Vs, AllVars, LI, UV) -> {VN, NVs} end. -undo_no_shadows(E) -> - var_map(fun undo_no_shadows1/1, E). - -undo_no_shadows1({var, L, _}=Var) -> - case erl_parse:get_attribute(L, line) of - {line,{nos,V,_VL}} -> - NL = erl_parse:set_line(L, fun({nos,_V,VL}) -> VL end), - undo_no_shadows1({var, NL, V}); - _Else -> - Var - end. - -restore_line_numbers(E) -> - var_map(fun restore_line_numbers1/1, E). +undo_no_shadows(E, State) -> + var_map(fun(Anno) -> undo_no_shadows1(Anno, State) end, E). -restore_line_numbers1({var, L, V}=Var) -> - case erl_parse:get_attribute(L, line) of - {line,{nos,_,_}} -> - NL = erl_parse:set_line(L, fun({nos,_V,VL}) -> VL end), - restore_line_numbers1({var, NL, V}); - _Else -> +undo_no_shadows1({var, Anno, _}=Var, State) -> + Location = erl_anno:location(Anno), + NodeInfo = State#state.node_info, + case ets:lookup(NodeInfo, Location) of + [{Location, #{name := Name}}] -> + {var, Anno, Name}; + _ -> Var end. %% QLC identifier. %% The first one encountered in the file has No=1. -make_lcid(Attrs, No) when is_integer(No), No > 0 -> - F = fun(Line) when is_integer(Line), Line < (1 bsl ?MAX_NUM_OF_LINES) -> - sgn(Line) * ((No bsl ?MAX_NUM_OF_LINES) + sgn(Line) * Line) - end, - erl_parse:set_line(Attrs, F). - -is_lcid(Attrs) -> - try - {line,Id} = erl_parse:get_attribute(Attrs, line), - is_integer(Id) andalso (abs(Id) > (1 bsl ?MAX_NUM_OF_LINES)) - catch _:_ -> - false - end. - -get_lcid_no(IdAttrs) -> - {line,Id} = erl_parse:get_attribute(IdAttrs, line), - abs(Id) bsr ?MAX_NUM_OF_LINES. - -get_lcid_line(IdAttrs) -> - {line,Id} = erl_parse:get_attribute(IdAttrs, line), - sgn(Id) * (abs(Id) band ((1 bsl ?MAX_NUM_OF_LINES) - 1)). +make_lcid(Anno, No) when is_integer(No), No > 0 -> + {No, erl_anno:line(Anno)}. -sgn(X) when X >= 0 -> - 1; -sgn(X) when X < 0 -> - -1. +get_lcid_no({No, _Line}) -> + No. -seq(S, E) when S - E =:= 1 -> - []; -seq(S, E) -> - lists:seq(S, E). - -sublist(_, 0) -> - []; -sublist(L, N) -> - lists:sublist(L, N). +get_lcid_line({_No, Line}) -> + Line. qid(LCId, No) -> #qid{no = No, lcid = LCId}. diff --git a/lib/stdlib/src/rand.erl b/lib/stdlib/src/rand.erl new file mode 100644 index 0000000000..6a805eb69e --- /dev/null +++ b/lib/stdlib/src/rand.erl @@ -0,0 +1,591 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2015. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% +%% ===================================================================== +%% Multiple PRNG module for Erlang/OTP +%% Copyright (c) 2015 Kenji Rikitake +%% ===================================================================== + +-module(rand). + +-export([seed_s/1, seed_s/2, seed/1, seed/2, + export_seed/0, export_seed_s/1, + uniform/0, uniform/1, uniform_s/1, uniform_s/2, + normal/0, normal_s/1 + ]). + +-compile({inline, [exs64_next/1, exsplus_next/1, + exs1024_next/1, exs1024_calc/2, + get_52/1, normal_kiwi/1]}). + +-define(DEFAULT_ALG_HANDLER, exsplus). +-define(SEED_DICT, rand_seed). + +%% ===================================================================== +%% Types +%% ===================================================================== + +%% This depends on the algorithm handler function +-type alg_seed() :: exs64_state() | exsplus_state() | exs1024_state(). +%% This is the algorithm handler function within this module +-type alg_handler() :: #{type => alg(), + max => integer(), + next => fun(), + uniform => fun(), + uniform_n => fun()}. + +%% Internal state +-opaque state() :: {alg_handler(), alg_seed()}. +-type alg() :: exs64 | exsplus | exs1024. +-opaque export_state() :: {alg(), alg_seed()}. +-export_type([alg/0, state/0, export_state/0]). + +%% ===================================================================== +%% API +%% ===================================================================== + +%% Return algorithm and seed so that RNG state can be recreated with seed/1 +-spec export_seed() -> undefined | export_state(). +export_seed() -> + case seed_get() of + {#{type:=Alg}, Seed} -> {Alg, Seed}; + _ -> undefined + end. + +-spec export_seed_s(state()) -> export_state(). +export_seed_s({#{type:=Alg}, Seed}) -> {Alg, Seed}. + +%% seed(Alg) seeds RNG with runtime dependent values +%% and return the NEW state + +%% seed({Alg,Seed}) setup RNG with a previously exported seed +%% and return the NEW state + +-spec seed(AlgOrExpState::alg() | export_state()) -> state(). +seed(Alg) -> + R = seed_s(Alg), + _ = seed_put(R), + R. + +-spec seed_s(AlgOrExpState::alg() | export_state()) -> state(). +seed_s(Alg) when is_atom(Alg) -> + seed_s(Alg, {erlang:phash2([{node(),self()}]), + erlang:system_time(), + erlang:unique_integer()}); +seed_s({Alg0, Seed}) -> + {Alg,_SeedFun} = mk_alg(Alg0), + {Alg, Seed}. + +%% seed/2: seeds RNG with the algorithm and given values +%% and returns the NEW state. + +-spec seed(Alg :: alg(), {integer(), integer(), integer()}) -> state(). +seed(Alg0, S0) -> + State = seed_s(Alg0, S0), + _ = seed_put(State), + State. + +-spec seed_s(Alg :: alg(), {integer(), integer(), integer()}) -> state(). +seed_s(Alg0, S0 = {_, _, _}) -> + {Alg, Seed} = mk_alg(Alg0), + AS = Seed(S0), + {Alg, AS}. + +%%% uniform/0, uniform/1, uniform_s/1, uniform_s/2 are all +%%% uniformly distributed random numbers. + +%% uniform/0: returns a random float X where 0.0 < X < 1.0, +%% updating the state in the process dictionary. + +-spec uniform() -> X::float(). +uniform() -> + {X, Seed} = uniform_s(seed_get()), + _ = seed_put(Seed), + X. + +%% uniform/1: given an integer N >= 1, +%% uniform/1 returns a random integer X where 1 =< X =< N, +%% updating the state in the process dictionary. + +-spec uniform(N :: pos_integer()) -> X::pos_integer(). +uniform(N) -> + {X, Seed} = uniform_s(N, seed_get()), + _ = seed_put(Seed), + X. + +%% uniform_s/1: given a state, uniform_s/1 +%% returns a random float X where 0.0 < X < 1.0, +%% and a new state. + +-spec uniform_s(state()) -> {X::float(), NewS :: state()}. +uniform_s(State = {#{uniform:=Uniform}, _}) -> + Uniform(State). + +%% uniform_s/2: given an integer N >= 1 and a state, uniform_s/2 +%% uniform_s/2 returns a random integer X where 1 =< X =< N, +%% and a new state. + +-spec uniform_s(N::pos_integer(), state()) -> {X::pos_integer(), NewS::state()}. +uniform_s(N, State = {#{uniform_n:=Uniform, max:=Max}, _}) + when 0 < N, N =< Max -> + Uniform(N, State); +uniform_s(N, State0 = {#{uniform:=Uniform}, _}) + when is_integer(N), 0 < N -> + {F, State} = Uniform(State0), + {trunc(F * N) + 1, State}. + +%% normal/0: returns a random float with standard normal distribution +%% updating the state in the process dictionary. + +-spec normal() -> float(). +normal() -> + {X, Seed} = normal_s(seed_get()), + _ = seed_put(Seed), + X. + +%% normal_s/1: returns a random float with standard normal distribution +%% The Ziggurat Method for generating random variables - Marsaglia and Tsang +%% Paper and reference code: http://www.jstatsoft.org/v05/i08/ + +-spec normal_s(state()) -> {float(), NewS :: state()}. +normal_s(State0) -> + {Sign, R, State} = get_52(State0), + Idx = R band 16#FF, + Idx1 = Idx+1, + {Ki, Wi} = normal_kiwi(Idx1), + X = R * Wi, + case R < Ki of + %% Fast path 95% of the time + true when Sign =:= 0 -> {X, State}; + true -> {-X, State}; + %% Slow path + false when Sign =:= 0 -> normal_s(Idx, Sign, X, State); + false -> normal_s(Idx, Sign, -X, State) + end. + +%% ===================================================================== +%% Internal functions + +-define(UINT21MASK, 16#00000000001fffff). +-define(UINT32MASK, 16#00000000ffffffff). +-define(UINT33MASK, 16#00000001ffffffff). +-define(UINT39MASK, 16#0000007fffffffff). +-define(UINT58MASK, 16#03ffffffffffffff). +-define(UINT64MASK, 16#ffffffffffffffff). + +-type uint64() :: 0..16#ffffffffffffffff. +-type uint58() :: 0..16#03ffffffffffffff. + +-spec seed_put(state()) -> undefined | state(). +seed_put(Seed) -> + put(?SEED_DICT, Seed). + +seed_get() -> + case get(?SEED_DICT) of + undefined -> seed(?DEFAULT_ALG_HANDLER); + Old -> Old % no type checking here + end. + +%% Setup alg record +mk_alg(exs64) -> + {#{type=>exs64, max=>?UINT64MASK, next=>fun exs64_next/1, + uniform=>fun exs64_uniform/1, uniform_n=>fun exs64_uniform/2}, + fun exs64_seed/1}; +mk_alg(exsplus) -> + {#{type=>exsplus, max=>?UINT58MASK, next=>fun exsplus_next/1, + uniform=>fun exsplus_uniform/1, uniform_n=>fun exsplus_uniform/2}, + fun exsplus_seed/1}; +mk_alg(exs1024) -> + {#{type=>exs1024, max=>?UINT64MASK, next=>fun exs1024_next/1, + uniform=>fun exs1024_uniform/1, uniform_n=>fun exs1024_uniform/2}, + fun exs1024_seed/1}. + +%% ===================================================================== +%% exs64 PRNG: Xorshift64* +%% Algorithm by Sebastiano Vigna +%% Reference URL: http://xorshift.di.unimi.it/ +%% ===================================================================== + +-type exs64_state() :: uint64(). + +exs64_seed({A1, A2, A3}) -> + {V1, _} = exs64_next(((A1 band ?UINT32MASK) * 4294967197 + 1)), + {V2, _} = exs64_next(((A2 band ?UINT32MASK) * 4294967231 + 1)), + {V3, _} = exs64_next(((A3 band ?UINT32MASK) * 4294967279 + 1)), + ((V1 * V2 * V3) rem (?UINT64MASK - 1)) + 1. + +%% Advance xorshift64* state for one step and generate 64bit unsigned integer +-spec exs64_next(exs64_state()) -> {uint64(), exs64_state()}. +exs64_next(R) -> + R1 = R bxor (R bsr 12), + R2 = R1 bxor ((R1 band ?UINT39MASK) bsl 25), + R3 = R2 bxor (R2 bsr 27), + {(R3 * 2685821657736338717) band ?UINT64MASK, R3}. + +exs64_uniform({Alg, R0}) -> + {V, R1} = exs64_next(R0), + {V / 18446744073709551616, {Alg, R1}}. + +exs64_uniform(Max, {Alg, R}) -> + {V, R1} = exs64_next(R), + {(V rem Max) + 1, {Alg, R1}}. + +%% ===================================================================== +%% exsplus PRNG: Xorshift116+ +%% Algorithm by Sebastiano Vigna +%% Reference URL: http://xorshift.di.unimi.it/ +%% 58 bits fits into an immediate on 64bits erlang and is thus much faster. +%% Modification of the original Xorshift128+ algorithm to 116 +%% by Sebastiano Vigna, a lot of thanks for his help and work. +%% ===================================================================== +-type exsplus_state() :: nonempty_improper_list(uint58(), uint58()). + +exsplus_seed({A1, A2, A3}) -> + {_, R1} = exsplus_next([(((A1 * 4294967197) + 1) band ?UINT58MASK)| + (((A2 * 4294967231) + 1) band ?UINT58MASK)]), + {_, R2} = exsplus_next([(((A3 * 4294967279) + 1) band ?UINT58MASK)| + tl(R1)]), + R2. + +%% Advance xorshift116+ state for one step and generate 58bit unsigned integer +-spec exsplus_next(exsplus_state()) -> {uint58(), exsplus_state()}. +exsplus_next([S1|S0]) -> + %% Note: members s0 and s1 are swapped here + S11 = (S1 bxor (S1 bsl 24)) band ?UINT58MASK, + S12 = S11 bxor S0 bxor (S11 bsr 11) bxor (S0 bsr 41), + {(S0 + S12) band ?UINT58MASK, [S0|S12]}. + +exsplus_uniform({Alg, R0}) -> + {I, R1} = exsplus_next(R0), + {I / (?UINT58MASK+1), {Alg, R1}}. + +exsplus_uniform(Max, {Alg, R}) -> + {V, R1} = exsplus_next(R), + {(V rem Max) + 1, {Alg, R1}}. + +%% ===================================================================== +%% exs1024 PRNG: Xorshift1024* +%% Algorithm by Sebastiano Vigna +%% Reference URL: http://xorshift.di.unimi.it/ +%% ===================================================================== + +-type exs1024_state() :: {list(uint64()), list(uint64())}. + +exs1024_seed({A1, A2, A3}) -> + B1 = (((A1 band ?UINT21MASK) + 1) * 2097131) band ?UINT21MASK, + B2 = (((A2 band ?UINT21MASK) + 1) * 2097133) band ?UINT21MASK, + B3 = (((A3 band ?UINT21MASK) + 1) * 2097143) band ?UINT21MASK, + {exs1024_gen1024((B1 bsl 43) bor (B2 bsl 22) bor (B3 bsl 1) bor 1), + []}. + +%% Generate a list of 16 64-bit element list +%% of the xorshift64* random sequence +%% from a given 64-bit seed. +%% Note: dependent on exs64_next/1 +-spec exs1024_gen1024(uint64()) -> list(uint64()). +exs1024_gen1024(R) -> + exs1024_gen1024(16, R, []). + +exs1024_gen1024(0, _, L) -> + L; +exs1024_gen1024(N, R, L) -> + {X, R2} = exs64_next(R), + exs1024_gen1024(N - 1, R2, [X|L]). + +%% Calculation of xorshift1024*. +%% exs1024_calc(S0, S1) -> {X, NS1}. +%% X: random number output +-spec exs1024_calc(uint64(), uint64()) -> {uint64(), uint64()}. +exs1024_calc(S0, S1) -> + S11 = S1 bxor ((S1 band ?UINT33MASK) bsl 31), + S12 = S11 bxor (S11 bsr 11), + S01 = S0 bxor (S0 bsr 30), + NS1 = S01 bxor S12, + {(NS1 * 1181783497276652981) band ?UINT64MASK, NS1}. + +%% Advance xorshift1024* state for one step and generate 64bit unsigned integer +-spec exs1024_next(exs1024_state()) -> {uint64(), exs1024_state()}. +exs1024_next({[S0,S1|L3], RL}) -> + {X, NS1} = exs1024_calc(S0, S1), + {X, {[NS1|L3], [S0|RL]}}; +exs1024_next({[H], RL}) -> + NL = [H|lists:reverse(RL)], + exs1024_next({NL, []}). + +exs1024_uniform({Alg, R0}) -> + {V, R1} = exs1024_next(R0), + {V / 18446744073709551616, {Alg, R1}}. + +exs1024_uniform(Max, {Alg, R}) -> + {V, R1} = exs1024_next(R), + {(V rem Max) + 1, {Alg, R1}}. + +%% ===================================================================== +%% Ziggurat cont +%% ===================================================================== +-define(NOR_R, 3.6541528853610087963519472518). +-define(NOR_INV_R, 1/?NOR_R). + +%% return a {sign, Random51bits, State} +get_52({Alg=#{next:=Next}, S0}) -> + {Int,S1} = Next(S0), + {((1 bsl 51) band Int), Int band ((1 bsl 51)-1), {Alg, S1}}. + +%% Slow path +normal_s(0, Sign, X0, State0) -> + {U0, S1} = uniform_s(State0), + X = -?NOR_INV_R*math:log(U0), + {U1, S2} = uniform_s(S1), + Y = -math:log(U1), + case Y+Y > X*X of + false -> + normal_s(0, Sign, X0, S2); + true when Sign =:= 0 -> + {?NOR_R + X, S2}; + true -> + {-?NOR_R - X, S2} + end; +normal_s(Idx, _Sign, X, State0) -> + Fi2 = normal_fi(Idx+1), + {U0, S1} = uniform_s(State0), + case ((normal_fi(Idx) - Fi2)*U0 + Fi2) < math:exp(-0.5*X*X) of + true -> {X, S1}; + false -> normal_s(S1) + end. + +%% Tables for generating normal_s +%% ki is zipped with wi (slightly faster) +normal_kiwi(Indx) -> + element(Indx, + {{2104047571236786,1.736725412160263e-15}, {0,9.558660351455634e-17}, + {1693657211986787,1.2708704834810623e-16},{1919380038271141,1.4909740962495474e-16}, + {2015384402196343,1.6658733631586268e-16},{2068365869448128,1.8136120810119029e-16}, + {2101878624052573,1.9429720153135588e-16},{2124958784102998,2.0589500628482093e-16}, + {2141808670795147,2.1646860576895422e-16},{2154644611568301,2.2622940392218116e-16}, + {2164744887587275,2.353271891404589e-16},{2172897953696594,2.438723455742877e-16}, + {2179616279372365,2.5194879829274225e-16},{2185247251868649,2.5962199772528103e-16}, + {2190034623107822,2.6694407473648285e-16},{2194154434521197,2.7395729685142446e-16}, + {2197736978774660,2.8069646002484804e-16},{2200880740891961,2.871905890411393e-16}, + {2203661538010620,2.9346417484728883e-16},{2206138681109102,2.9953809336782113e-16}, + {2208359231806599,3.054303000719244e-16},{2210361007258210,3.111563633892157e-16}, + {2212174742388539,3.1672988018581815e-16},{2213825672704646,3.2216280350549905e-16}, + {2215334711002614,3.274657040793975e-16},{2216719334487595,3.326479811684171e-16}, + {2217994262139172,3.377180341735323e-16},{2219171977965032,3.4268340353119356e-16}, + {2220263139538712,3.475508873172976e-16},{2221276900117330,3.523266384600203e-16}, + {2222221164932930,3.5701624633953494e-16},{2223102796829069,3.616248057159834e-16}, + {2223927782546658,3.661569752965354e-16},{2224701368170060,3.7061702777236077e-16}, + {2225428170204312,3.75008892787478e-16},{2226112267248242,3.7933619401549554e-16}, + {2226757276105256,3.836022812967728e-16},{2227366415328399,3.8781025861250247e-16}, + {2227942558554684,3.919630085325768e-16},{2228488279492521,3.9606321366256378e-16}, + {2229005890047222,4.001133755254669e-16},{2229497472775193,4.041158312414333e-16}, + {2229964908627060,4.080727683096045e-16},{2230409900758597,4.119862377480744e-16}, + {2230833995044585,4.1585816580828064e-16},{2231238597816133,4.1969036444740733e-16}, + {2231624991250191,4.234845407152071e-16},{2231994346765928,4.272423051889976e-16}, + {2232347736722750,4.309651795716294e-16},{2232686144665934,4.346546035512876e-16}, + {2233010474325959,4.383119410085457e-16},{2233321557544881,4.4193848564470665e-16}, + {2233620161276071,4.455354660957914e-16},{2233906993781271,4.491040505882875e-16}, + {2234182710130335,4.52645351185714e-16},{2234447917093496,4.561604276690038e-16}, + {2234703177503020,4.596502910884941e-16},{2234949014150181,4.631159070208165e-16}, + {2235185913274316,4.665581985600875e-16},{2235414327692884,4.699780490694195e-16}, + {2235634679614920,4.733763047158324e-16},{2235847363174595,4.767537768090853e-16}, + {2236052746716837,4.8011124396270155e-16},{2236251174862869,4.834494540935008e-16}, + {2236442970379967,4.867691262742209e-16},{2236628435876762,4.900709524522994e-16}, + {2236807855342765,4.933555990465414e-16},{2236981495548562,4.966237084322178e-16}, + {2237149607321147,4.998759003240909e-16},{2237312426707209,5.031127730659319e-16}, + {2237470176035652,5.0633490483427195e-16},{2237623064889403,5.095428547633892e-16}, + {2237771290995388,5.127371639978797e-16},{2237915041040597,5.159183566785736e-16}, + {2238054491421305,5.190869408670343e-16},{2238189808931712,5.222434094134042e-16}, + {2238321151397660,5.253882407719454e-16},{2238448668260432,5.285218997682382e-16}, + {2238572501115169,5.316448383216618e-16},{2238692784207942,5.34757496126473e-16}, + {2238809644895133,5.378603012945235e-16},{2238923204068402,5.409536709623993e-16}, + {2239033576548190,5.440380118655467e-16},{2239140871448443,5.471137208817361e-16}, + {2239245192514958,5.501811855460336e-16},{2239346638439541,5.532407845392784e-16}, + {2239445303151952,5.56292888151909e-16},{2239541276091442,5.593378587248462e-16}, + {2239634642459498,5.623760510690043e-16},{2239725483455293,5.65407812864896e-16}, + {2239813876495186,5.684334850436814e-16},{2239899895417494,5.714534021509204e-16}, + {2239983610673676,5.744678926941961e-16},{2240065089506935,5.774772794756965e-16}, + {2240144396119183,5.804818799107686e-16},{2240221591827230,5.834820063333892e-16}, + {2240296735208969,5.864779662894365e-16},{2240369882240293,5.894700628185872e-16}, + {2240441086423386,5.924585947256134e-16},{2240510398907004,5.95443856841806e-16}, + {2240577868599305,5.984261402772028e-16},{2240643542273726,6.014057326642664e-16}, + {2240707464668391,6.043829183936125e-16},{2240769678579486,6.073579788423606e-16}, + {2240830224948980,6.103311925956439e-16},{2240889142947082,6.133028356617911e-16}, + {2240946470049769,6.162731816816596e-16},{2241002242111691,6.192425021325847e-16}, + {2241056493434746,6.222110665273788e-16},{2241109256832602,6.251791426088e-16}, + {2241160563691400,6.281469965398895e-16},{2241210444026879,6.311148930905604e-16}, + {2241258926538122,6.34083095820806e-16},{2241306038658137,6.370518672608815e-16}, + {2241351806601435,6.400214690888025e-16},{2241396255408788,6.429921623054896e-16}, + {2241439408989313,6.459642074078832e-16},{2241481290160038,6.489378645603397e-16}, + {2241521920683062,6.519133937646159e-16},{2241561321300462,6.548910550287415e-16}, + {2241599511767028,6.578711085350741e-16},{2241636510880960,6.608538148078259e-16}, + {2241672336512612,6.638394348803506e-16},{2241707005631362,6.668282304624746e-16}, + {2241740534330713,6.698204641081558e-16},{2241772937851689,6.728163993837531e-16}, + {2241804230604585,6.758163010371901e-16},{2241834426189161,6.78820435168298e-16}, + {2241863537413311,6.818290694006254e-16},{2241891576310281,6.848424730550038e-16}, + {2241918554154466,6.878609173251664e-16},{2241944481475843,6.908846754557169e-16}, + {2241969368073071,6.939140229227569e-16},{2241993223025298,6.969492376174829e-16}, + {2242016054702685,6.999906000330764e-16},{2242037870775710,7.030383934552151e-16}, + {2242058678223225,7.060929041565482e-16},{2242078483339331,7.091544215954873e-16}, + {2242097291739040,7.122232386196779e-16},{2242115108362774,7.152996516745303e-16}, + {2242131937479672,7.183839610172063e-16},{2242147782689725,7.214764709364707e-16}, + {2242162646924736,7.245774899788387e-16},{2242176532448092,7.276873311814693e-16}, + {2242189440853337,7.308063123122743e-16},{2242201373061537,7.339347561177405e-16}, + {2242212329317416,7.370729905789831e-16},{2242222309184237,7.4022134917658e-16}, + {2242231311537397,7.433801711647648e-16},{2242239334556717,7.465498018555889e-16}, + {2242246375717369,7.497305929136979e-16},{2242252431779415,7.529229026624058e-16}, + {2242257498775893,7.561270964017922e-16},{2242261571999416,7.5934354673958895e-16}, + {2242264645987196,7.625726339356756e-16},{2242266714504453,7.658147462610487e-16}, + {2242267770526109,7.690702803721919e-16},{2242267806216711,7.723396417018299e-16}, + {2242266812908462,7.756232448671174e-16},{2242264781077289,7.789215140963852e-16}, + {2242261700316818,7.822348836756411e-16},{2242257559310145,7.855637984161084e-16}, + {2242252345799276,7.889087141441755e-16},{2242246046552082,7.922700982152271e-16}, + {2242238647326615,7.956484300529366e-16},{2242230132832625,7.99044201715713e-16}, + {2242220486690076,8.024579184921259e-16},{2242209691384458,8.058900995272657e-16}, + {2242197728218684,8.093412784821501e-16},{2242184577261310,8.128120042284501e-16}, + {2242170217290819,8.163028415809877e-16},{2242154625735679,8.198143720706533e-16}, + {2242137778609839,8.23347194760605e-16},{2242119650443327,8.26901927108847e-16}, + {2242100214207556,8.304792058805374e-16},{2242079441234906,8.340796881136629e-16}, + {2242057301132135,8.377040521420222e-16},{2242033761687079,8.413529986798028e-16}, + {2242008788768107,8.450272519724097e-16},{2241982346215682,8.487275610186155e-16}, + {2241954395725356,8.524547008695596e-16},{2241924896721443,8.562094740106233e-16}, + {2241893806220517,8.599927118327665e-16},{2241861078683830,8.638052762005259e-16}, + {2241826665857598,8.676480611245582e-16},{2241790516600041,8.715219945473698e-16}, + {2241752576693881,8.754280402517175e-16},{2241712788642916,8.793671999021043e-16}, + {2241671091451078,8.833405152308408e-16},{2241627420382235,8.873490703813135e-16}, + {2241581706698773,8.913939944224086e-16},{2241533877376767,8.954764640495068e-16}, + {2241483854795281,8.9959770648911e-16},{2241431556397035,9.037590026260118e-16}, + {2241376894317345,9.079616903740068e-16},{2241319774977817,9.122071683134846e-16}, + {2241260098640860,9.164968996219135e-16},{2241197758920538,9.208324163262308e-16}, + {2241132642244704,9.252153239095693e-16},{2241064627262652,9.296473063086417e-16}, + {2240993584191742,9.341301313425265e-16},{2240919374095536,9.38665656618666e-16}, + {2240841848084890,9.432558359676707e-16},{2240760846432232,9.479027264651738e-16}, + {2240676197587784,9.526084961066279e-16},{2240587717084782,9.57375432209745e-16}, + {2240495206318753,9.622059506294838e-16},{2240398451183567,9.671026058823054e-16}, + {2240297220544165,9.720681022901626e-16},{2240191264522612,9.771053062707209e-16}, + {2240080312570155,9.822172599190541e-16},{2239964071293331,9.874071960480671e-16}, + {2239842221996530,9.926785548807976e-16},{2239714417896699,9.980350026183645e-16}, + {2239580280957725,1.003480452143618e-15},{2239439398282193,1.0090190861637457e-15}, + {2239291317986196,1.0146553831467086e-15},{2239135544468203,1.0203941464683124e-15}, + {2238971532964979,1.0262405372613567e-15},{2238798683265269,1.0322001115486456e-15}, + {2238616332424351,1.03827886235154e-15},{2238423746288095,1.044483267600047e-15}, + {2238220109591890,1.0508203448355195e-15},{2238004514345216,1.057297713900989e-15}, + {2237775946143212,1.06392366906768e-15},{2237533267957822,1.0707072623632994e-15}, + {2237275200846753,1.0776584002668106e-15},{2237000300869952,1.0847879564403425e-15}, + {2236706931309099,1.0921079038149563e-15},{2236393229029147,1.0996314701785628e-15}, + {2236057063479501,1.1073733224935752e-15},{2235695986373246,1.1153497865853155e-15}, + {2235307169458859,1.1235791107110833e-15},{2234887326941578,1.1320817840164846e-15}, + {2234432617919447,1.140880924258278e-15},{2233938522519765,1.1500027537839792e-15}, + {2233399683022677,1.159477189144919e-15},{2232809697779198,1.169338578691096e-15}, + {2232160850599817,1.17962663529558e-15},{2231443750584641,1.190387629928289e-15}, + {2230646845562170,1.2016759392543819e-15},{2229755753817986,1.2135560818666897e-15}, + {2228752329126533,1.2261054417450561e-15},{2227613325162504,1.2394179789163251e-15}, + {2226308442121174,1.2536093926602567e-15},{2224797391720399,1.268824481425501e-15}, + {2223025347823832,1.2852479319096109e-15},{2220915633329809,1.3031206634689985e-15}, + {2218357446087030,1.3227655770195326e-15},{2215184158448668,1.3446300925011171e-15}, + {2211132412537369,1.3693606835128518e-15},{2205758503851065,1.397943667277524e-15}, + {2198248265654987,1.4319989869661328e-15},{2186916352102141,1.4744848603597596e-15}, + {2167562552481814,1.5317872741611144e-15},{2125549880839716,1.6227698675312968e-15}}). + +normal_fi(Indx) -> + element(Indx, + {1.0000000000000000e+00,9.7710170126767082e-01,9.5987909180010600e-01, + 9.4519895344229909e-01,9.3206007595922991e-01,9.1999150503934646e-01, + 9.0872644005213032e-01,8.9809592189834297e-01,8.8798466075583282e-01, + 8.7830965580891684e-01,8.6900868803685649e-01,8.6003362119633109e-01, + 8.5134625845867751e-01,8.4291565311220373e-01,8.3471629298688299e-01, + 8.2672683394622093e-01,8.1892919160370192e-01,8.1130787431265572e-01, + 8.0384948317096383e-01,7.9654233042295841e-01,7.8937614356602404e-01, + 7.8234183265480195e-01,7.7543130498118662e-01,7.6863731579848571e-01, + 7.6195334683679483e-01,7.5537350650709567e-01,7.4889244721915638e-01, + 7.4250529634015061e-01,7.3620759812686210e-01,7.2999526456147568e-01, + 7.2386453346862967e-01,7.1781193263072152e-01,7.1183424887824798e-01, + 7.0592850133275376e-01,7.0009191813651117e-01,6.9432191612611627e-01, + 6.8861608300467136e-01,6.8297216164499430e-01,6.7738803621877308e-01, + 6.7186171989708166e-01,6.6639134390874977e-01,6.6097514777666277e-01, + 6.5561147057969693e-01,6.5029874311081637e-01,6.4503548082082196e-01, + 6.3982027745305614e-01,6.3465179928762327e-01,6.2952877992483625e-01, + 6.2445001554702606e-01,6.1941436060583399e-01,6.1442072388891344e-01, + 6.0946806492577310e-01,6.0455539069746733e-01,5.9968175261912482e-01, + 5.9484624376798689e-01,5.9004799633282545e-01,5.8528617926337090e-01, + 5.8055999610079034e-01,5.7586868297235316e-01,5.7121150673525267e-01, + 5.6658776325616389e-01,5.6199677581452390e-01,5.5743789361876550e-01, + 5.5291049042583185e-01,5.4841396325526537e-01,5.4394773119002582e-01, + 5.3951123425695158e-01,5.3510393238045717e-01,5.3072530440366150e-01, + 5.2637484717168403e-01,5.2205207467232140e-01,5.1775651722975591e-01, + 5.1348772074732651e-01,5.0924524599574761e-01,5.0502866794346790e-01, + 5.0083757512614835e-01,4.9667156905248933e-01,4.9253026364386815e-01, + 4.8841328470545758e-01,4.8432026942668288e-01,4.8025086590904642e-01, + 4.7620473271950547e-01,4.7218153846772976e-01,4.6818096140569321e-01, + 4.6420268904817391e-01,4.6024641781284248e-01,4.5631185267871610e-01, + 4.5239870686184824e-01,4.4850670150720273e-01,4.4463556539573912e-01, + 4.4078503466580377e-01,4.3695485254798533e-01,4.3314476911265209e-01, + 4.2935454102944126e-01,4.2558393133802180e-01,4.2183270922949573e-01, + 4.1810064983784795e-01,4.1438753404089090e-01,4.1069314827018799e-01, + 4.0701728432947315e-01,4.0335973922111429e-01,3.9972031498019700e-01, + 3.9609881851583223e-01,3.9249506145931540e-01,3.8890886001878855e-01, + 3.8534003484007706e-01,3.8178841087339344e-01,3.7825381724561896e-01, + 3.7473608713789086e-01,3.7123505766823922e-01,3.6775056977903225e-01, + 3.6428246812900372e-01,3.6083060098964775e-01,3.5739482014578022e-01, + 3.5397498080007656e-01,3.5057094148140588e-01,3.4718256395679348e-01, + 3.4380971314685055e-01,3.4045225704452164e-01,3.3711006663700588e-01, + 3.3378301583071823e-01,3.3047098137916342e-01,3.2717384281360129e-01, + 3.2389148237639104e-01,3.2062378495690530e-01,3.1737063802991350e-01, + 3.1413193159633707e-01,3.1090755812628634e-01,3.0769741250429189e-01, + 3.0450139197664983e-01,3.0131939610080288e-01,2.9815132669668531e-01, + 2.9499708779996164e-01,2.9185658561709499e-01,2.8872972848218270e-01, + 2.8561642681550159e-01,2.8251659308370741e-01,2.7943014176163772e-01, + 2.7635698929566810e-01,2.7329705406857691e-01,2.7025025636587519e-01, + 2.6721651834356114e-01,2.6419576399726080e-01,2.6118791913272082e-01, + 2.5819291133761890e-01,2.5521066995466168e-01,2.5224112605594190e-01, + 2.4928421241852824e-01,2.4633986350126363e-01,2.4340801542275012e-01, + 2.4048860594050039e-01,2.3758157443123795e-01,2.3468686187232990e-01, + 2.3180441082433859e-01,2.2893416541468023e-01,2.2607607132238020e-01, + 2.2323007576391746e-01,2.2039612748015194e-01,2.1757417672433113e-01, + 2.1476417525117358e-01,2.1196607630703015e-01,2.0917983462112499e-01, + 2.0640540639788071e-01,2.0364274931033485e-01,2.0089182249465656e-01, + 1.9815258654577511e-01,1.9542500351413428e-01,1.9270903690358912e-01, + 1.9000465167046496e-01,1.8731181422380025e-01,1.8463049242679927e-01, + 1.8196065559952254e-01,1.7930227452284767e-01,1.7665532144373500e-01, + 1.7401977008183875e-01,1.7139559563750595e-01,1.6878277480121151e-01, + 1.6618128576448205e-01,1.6359110823236570e-01,1.6101222343751107e-01, + 1.5844461415592431e-01,1.5588826472447920e-01,1.5334316106026283e-01, + 1.5080929068184568e-01,1.4828664273257453e-01,1.4577520800599403e-01, + 1.4327497897351341e-01,1.4078594981444470e-01,1.3830811644855071e-01, + 1.3584147657125373e-01,1.3338602969166913e-01,1.3094177717364430e-01, + 1.2850872227999952e-01,1.2608687022018586e-01,1.2367622820159654e-01, + 1.2127680548479021e-01,1.1888861344290998e-01,1.1651166562561080e-01, + 1.1414597782783835e-01,1.1179156816383801e-01,1.0944845714681163e-01, + 1.0711666777468364e-01,1.0479622562248690e-01,1.0248715894193508e-01, + 1.0018949876880981e-01,9.7903279038862284e-02,9.5628536713008819e-02, + 9.3365311912690860e-02,9.1113648066373634e-02,8.8873592068275789e-02, + 8.6645194450557961e-02,8.4428509570353374e-02,8.2223595813202863e-02, + 8.0030515814663056e-02,7.7849336702096039e-02,7.5680130358927067e-02, + 7.3522973713981268e-02,7.1377949058890375e-02,6.9245144397006769e-02, + 6.7124653827788497e-02,6.5016577971242842e-02,6.2921024437758113e-02, + 6.0838108349539864e-02,5.8767952920933758e-02,5.6710690106202902e-02, + 5.4666461324888914e-02,5.2635418276792176e-02,5.0617723860947761e-02, + 4.8613553215868521e-02,4.6623094901930368e-02,4.4646552251294443e-02, + 4.2684144916474431e-02,4.0736110655940933e-02,3.8802707404526113e-02, + 3.6884215688567284e-02,3.4980941461716084e-02,3.3093219458578522e-02, + 3.1221417191920245e-02,2.9365939758133314e-02,2.7527235669603082e-02, + 2.5705804008548896e-02,2.3902203305795882e-02,2.2117062707308864e-02, + 2.0351096230044517e-02,1.8605121275724643e-02,1.6880083152543166e-02, + 1.5177088307935325e-02,1.3497450601739880e-02,1.1842757857907888e-02, + 1.0214971439701471e-02,8.6165827693987316e-03,7.0508754713732268e-03, + 5.5224032992509968e-03,4.0379725933630305e-03,2.6090727461021627e-03, + 1.2602859304985975e-03}). diff --git a/lib/stdlib/src/random.erl b/lib/stdlib/src/random.erl index d7b51a151c..cf84f8cecf 100644 --- a/lib/stdlib/src/random.erl +++ b/lib/stdlib/src/random.erl @@ -57,11 +57,17 @@ seed() -> %% seed({A1, A2, A3}) %% Seed random number generation --spec seed({A1, A2, A3}) -> 'undefined' | ran() when +-spec seed(SValue) -> 'undefined' | ran() when + SValue :: {A1, A2, A3} | integer(), A1 :: integer(), A2 :: integer(), A3 :: integer(). +seed(Int) when is_integer(Int) -> + A1 = (Int bsr 16) band 16#fffffff, + A2 = Int band 16#ffffff, + A3 = (Int bsr 36) bor (A2 bsr 16), + seed(A1, A2, A3); seed({A1, A2, A3}) -> seed(A1, A2, A3). diff --git a/lib/stdlib/src/shell.erl b/lib/stdlib/src/shell.erl index 679c13f0cf..c6ba574ff4 100644 --- a/lib/stdlib/src/shell.erl +++ b/lib/stdlib/src/shell.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -314,7 +314,8 @@ prompt(N, Eval0, Bs0, RT, Ds0) -> case get_prompt_func() of {M,F} -> L = [{history,N}], - C = {call,1,{remote,1,{atom,1,M},{atom,1,F}},[{value,1,L}]}, + A = erl_anno:new(1), + C = {call,A,{remote,A,{atom,A,M},{atom,A,F}},[{value,A,L}]}, {V,Eval,Bs,Ds} = shell_cmd([C], Eval0, Bs0, RT, Ds0, pmt), {Eval,Bs,Ds,case V of {pmt,Val} -> @@ -416,7 +417,7 @@ expand_expr({call,_L,{atom,_,v},[N]}, C) -> {_,undefined,_} -> no_command(N); {Ces,V,CommandN} when is_list(Ces) -> - {value,CommandN,V} + {value,erl_anno:new(CommandN),V} end; expand_expr({call,L,F,Args}, C) -> {call,L,expand_expr(F, C),expand_exprs(Args, C)}; @@ -901,7 +902,7 @@ prep_check({call,Line,{atom,_,f},[{var,_,_Name}]}) -> {atom,Line,ok}; prep_check({value,_CommandN,_Val}) -> %% erl_lint cannot handle the history expansion {value,_,_}. - {atom,0,ok}; + {atom,a0(),ok}; prep_check(T) when is_tuple(T) -> list_to_tuple(prep_check(tuple_to_list(T))); prep_check([E | Es]) -> @@ -913,7 +914,7 @@ expand_records([], E0) -> E0; expand_records(UsedRecords, E0) -> RecordDefs = [Def || {_Name,Def} <- UsedRecords], - L = 1, + L = erl_anno:new(1), E = prep_rec(E0), Forms = RecordDefs ++ [{function,L,foo,0,[{clause,L,[],[],[E]}]}], [{function,L,foo,0,[{clause,L,[],[],[NE]}]}] = @@ -1320,13 +1321,15 @@ list_bindings([{Name,Val}|Bs], RT) -> case erl_eval:fun_data(Val) of {fun_data,_FBs,FCs0} -> FCs = expand_value(FCs0), % looks nicer - F = {'fun',0,{clauses,FCs}}, - M = {match,0,{var,0,Name},F}, + A = a0(), + F = {'fun',A,{clauses,FCs}}, + M = {match,A,{var,A,Name},F}, io:fwrite(<<"~ts\n">>, [erl_pp:expr(M, enc())]); {named_fun_data,_FBs,FName,FCs0} -> FCs = expand_value(FCs0), % looks nicer - F = {named_fun,0,FName,FCs}, - M = {match,0,{var,0,Name},F}, + A = a0(), + F = {named_fun,A,FName,FCs}, + M = {match,A,{var,A,Name},F}, io:fwrite(<<"~ts\n">>, [erl_pp:expr(M, enc())]); false -> Namel = io_lib:fwrite(<<"~s = ">>, [Name]), @@ -1356,13 +1359,18 @@ expand_value(E) -> %% There is no abstract representation of funs. try_abstract(V, CommandN) -> try erl_parse:abstract(V) - catch _:_ -> {call,0,{atom,0,v},[{integer,0,CommandN}]} + catch + _:_ -> + A = a0(), + {call,A,{atom,A,v},[{integer,A,CommandN}]} end. %% Rather than listing possibly huge results the calls to v/1 are shown. prep_list_commands(E) -> - substitute_v1(fun({value,CommandN,_V}) -> - {call,0,{atom,0,v},[{integer,0,CommandN}]} + A = a0(), + substitute_v1(fun({value,Anno,_V}) -> + CommandN = erl_anno:line(Anno), + {call,A,{atom,A,v},[{integer,A,CommandN}]} end, E). substitute_v1(F, {value,_,_}=Value) -> @@ -1374,6 +1382,9 @@ substitute_v1(F, [E | Es]) -> substitute_v1(_F, E) -> E. +a0() -> + erl_anno:new(0). + check_and_get_history_and_results() -> check_env(shell_history_length), check_env(shell_saved_results), diff --git a/lib/stdlib/src/shell_default.erl b/lib/stdlib/src/shell_default.erl index 3fe359af0e..0fca7ff8c7 100644 --- a/lib/stdlib/src/shell_default.erl +++ b/lib/stdlib/src/shell_default.erl @@ -23,7 +23,7 @@ -module(shell_default). -export([help/0,lc/1,c/1,c/2,nc/1,nl/1,l/1,i/0,pid/3,i/3,m/0,m/1, - memory/0,memory/1, + memory/0,memory/1,uptime/0, erlangrc/1,bi/1, regs/0, flush/0,pwd/0,ls/0,ls/1,cd/1, y/1, y/2, xm/1, bt/1, q/0, @@ -92,6 +92,7 @@ pid(X,Y,Z) -> c:pid(X,Y,Z). pwd() -> c:pwd(). q() -> c:q(). regs() -> c:regs(). +uptime() -> c:uptime(). xm(Mod) -> c:xm(Mod). y(File) -> c:y(File). y(File, Opts) -> c:y(File, Opts). diff --git a/lib/stdlib/src/slave.erl b/lib/stdlib/src/slave.erl index 1898dc8aba..28da45621a 100644 --- a/lib/stdlib/src/slave.erl +++ b/lib/stdlib/src/slave.erl @@ -128,7 +128,7 @@ relay1(Pid) -> %% {error, {already_running, Name@Host}} -spec start(Host) -> {ok, Node} | {error, Reason} when - Host :: atom(), + Host :: inet:hostname(), Node :: node(), Reason :: timeout | no_rsh | {already_running, Node}. @@ -138,8 +138,8 @@ start(Host) -> start(Host, Name, [], no_link). -spec start(Host, Name) -> {ok, Node} | {error, Reason} when - Host :: atom(), - Name :: atom(), + Host :: inet:hostname(), + Name :: atom() | string(), Node :: node(), Reason :: timeout | no_rsh | {already_running, Node}. @@ -147,8 +147,8 @@ start(Host, Name) -> start(Host, Name, []). -spec start(Host, Name, Args) -> {ok, Node} | {error, Reason} when - Host :: atom(), - Name :: atom(), + Host :: inet:hostname(), + Name :: atom() | string(), Args :: string(), Node :: node(), Reason :: timeout | no_rsh | {already_running, Node}. @@ -157,7 +157,7 @@ start(Host, Name, Args) -> start(Host, Name, Args, no_link). -spec start_link(Host) -> {ok, Node} | {error, Reason} when - Host :: atom(), + Host :: inet:hostname(), Node :: node(), Reason :: timeout | no_rsh | {already_running, Node}. @@ -167,8 +167,8 @@ start_link(Host) -> start(Host, Name, [], self()). -spec start_link(Host, Name) -> {ok, Node} | {error, Reason} when - Host :: atom(), - Name :: atom(), + Host :: inet:hostname(), + Name :: atom() | string(), Node :: node(), Reason :: timeout | no_rsh | {already_running, Node}. @@ -176,8 +176,8 @@ start_link(Host, Name) -> start_link(Host, Name, []). -spec start_link(Host, Name, Args) -> {ok, Node} | {error, Reason} when - Host :: atom(), - Name :: atom(), + Host :: inet:hostname(), + Name :: atom() | string(), Args :: string(), Node :: node(), Reason :: timeout | no_rsh | {already_running, Node}. @@ -210,7 +210,6 @@ start(Host0, Name, Args, LinkTo, Prog) -> Node :: node(). stop(Node) -> -% io:format("stop(~p)~n", [Node]), rpc:call(Node, erlang, halt, []), ok. @@ -229,7 +228,6 @@ wait_for_slave(Parent, Host, Name, Node, Args, LinkTo, Prog) -> Waiter = register_unique_name(0), case mk_cmd(Host, Name, Args, Waiter, Prog) of {ok, Cmd} -> -%% io:format("Command: ~ts~n", [Cmd]), open_port({spawn, Cmd}, [stream]), receive {SlavePid, slave_started} -> diff --git a/lib/stdlib/src/stdlib.app.src b/lib/stdlib/src/stdlib.app.src index aa9899da3b..c33130cf8c 100644 --- a/lib/stdlib/src/stdlib.app.src +++ b/lib/stdlib/src/stdlib.app.src @@ -2,7 +2,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -39,6 +39,7 @@ edlin_expand, epp, eval_bits, + erl_anno, erl_bits, erl_compile, erl_eval, @@ -77,13 +78,13 @@ orddict, ordsets, otp_internal, - pg, pool, proc_lib, proplists, qlc, qlc_pt, queue, + rand, random, re, sets, @@ -103,7 +104,7 @@ dets]}, {applications, [kernel]}, {env, []}, - {runtime_dependencies, ["sasl-2.4","kernel-3.0.2","erts-6.2","crypto-3.3", + {runtime_dependencies, ["sasl-2.4","kernel-4.0","erts-7.0","crypto-3.3", "compiler-5.0"]} ]}. diff --git a/lib/stdlib/src/stdlib.appup.src b/lib/stdlib/src/stdlib.appup.src index 951dbca68e..b3569c2848 100644 --- a/lib/stdlib/src/stdlib.appup.src +++ b/lib/stdlib/src/stdlib.appup.src @@ -1,7 +1,7 @@ %% -*- erlang -*- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2014. All Rights Reserved. +%% Copyright Ericsson AB 1999-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -17,11 +17,7 @@ %% %CopyrightEnd% {"%VSN%", %% Up from - max one major revision back - [{<<"2\\.[1-3](\\.[0-9]+)*">>,[restart_new_emulator]}, %% 17.1-17.3 - {<<"2\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, %% 17.0 - {<<"1\\.19(\\.[0-9]+)*">>,[restart_new_emulator]}],%% R16 + [{<<"2\\.[0-4](\\.[0-9]+)*">>,[restart_new_emulator]}], %% 17.0-17.5 %% Down to - max one major revision back - [{<<"2\\.[1-3](\\.[0-9]+)*">>,[restart_new_emulator]}, %% 17.1-17.3 - {<<"2\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, %% 17.0 - {<<"1\\.19(\\.[0-9]+)*">>,[restart_new_emulator]}] %% R16 + [{<<"2\\.[0-4](\\.[0-9]+)*">>,[restart_new_emulator]}] %% 17.0-17.5 }. diff --git a/lib/stdlib/src/string.erl b/lib/stdlib/src/string.erl index f9b083a56d..f6903d1c3d 100644 --- a/lib/stdlib/src/string.erl +++ b/lib/stdlib/src/string.erl @@ -221,23 +221,47 @@ substr2([_|String], S) -> substr2(String, S-1). Tokens :: [Token :: nonempty_string()]. tokens(S, Seps) -> - tokens1(S, Seps, []). + case Seps of + [] -> + case S of + [] -> []; + [_|_] -> [S] + end; + [C] -> + tokens_single_1(reverse(S), C, []); + [_|_] -> + tokens_multiple_1(reverse(S), Seps, []) + end. -tokens1([C|S], Seps, Toks) -> +tokens_single_1([Sep|S], Sep, Toks) -> + tokens_single_1(S, Sep, Toks); +tokens_single_1([C|S], Sep, Toks) -> + tokens_single_2(S, Sep, Toks, [C]); +tokens_single_1([], _, Toks) -> + Toks. + +tokens_single_2([Sep|S], Sep, Toks, Tok) -> + tokens_single_1(S, Sep, [Tok|Toks]); +tokens_single_2([C|S], Sep, Toks, Tok) -> + tokens_single_2(S, Sep, Toks, [C|Tok]); +tokens_single_2([], _Sep, Toks, Tok) -> + [Tok|Toks]. + +tokens_multiple_1([C|S], Seps, Toks) -> case member(C, Seps) of - true -> tokens1(S, Seps, Toks); - false -> tokens2(S, Seps, Toks, [C]) + true -> tokens_multiple_1(S, Seps, Toks); + false -> tokens_multiple_2(S, Seps, Toks, [C]) end; -tokens1([], _Seps, Toks) -> - reverse(Toks). +tokens_multiple_1([], _Seps, Toks) -> + Toks. -tokens2([C|S], Seps, Toks, Cs) -> +tokens_multiple_2([C|S], Seps, Toks, Tok) -> case member(C, Seps) of - true -> tokens1(S, Seps, [reverse(Cs)|Toks]); - false -> tokens2(S, Seps, Toks, [C|Cs]) + true -> tokens_multiple_1(S, Seps, [Tok|Toks]); + false -> tokens_multiple_2(S, Seps, Toks, [C|Tok]) end; -tokens2([], _Seps, Toks, Cs) -> - reverse([reverse(Cs)|Toks]). +tokens_multiple_2([], _Seps, Toks, Tok) -> + [Tok|Toks]. -spec chars(Character, Number) -> String when Character :: char(), diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl index ede2742875..1d7396adee 100644 --- a/lib/stdlib/src/supervisor.erl +++ b/lib/stdlib/src/supervisor.erl @@ -25,7 +25,7 @@ start_child/2, restart_child/2, delete_child/2, terminate_child/2, which_children/1, count_children/1, - check_childspecs/1]). + check_childspecs/1, get_childspec/2]). %% Internal exports -export([init/1, handle_call/3, handle_cast/2, handle_info/2, @@ -34,7 +34,7 @@ %%-------------------------------------------------------------------------- --export_type([child_spec/0, startchild_ret/0, strategy/0]). +-export_type([sup_flags/0, child_spec/0, startchild_ret/0, strategy/0]). %%-------------------------------------------------------------------------- @@ -53,7 +53,13 @@ | {'global', Name :: atom()} | {'via', Module :: module(), Name :: any()} | pid(). --type child_spec() :: {Id :: child_id(), +-type child_spec() :: #{id => child_id(), % mandatory + start => mfargs(), % mandatory + restart => restart(), % optional + shutdown => shutdown(), % optional + type => worker(), % optional + modules => modules()} % optional + | {Id :: child_id(), StartFunc :: mfargs(), Restart :: restart(), Shutdown :: shutdown(), @@ -63,6 +69,23 @@ -type strategy() :: 'one_for_all' | 'one_for_one' | 'rest_for_one' | 'simple_one_for_one'. +-type sup_flags() :: #{strategy => strategy(), % optional + intensity => non_neg_integer(), % optional + period => pos_integer()} % optional + | {RestartStrategy :: strategy(), + Intensity :: non_neg_integer(), + Period :: pos_integer()}. + +%%-------------------------------------------------------------------------- +%% Defaults +-define(default_flags, #{strategy => one_for_one, + intensity => 1, + period => 5}). +-define(default_child_spec, #{restart => permanent, + type => worker}). +%% Default 'shutdown' is 5000 for workers and infinity for supervisors. +%% Default 'modules' is [M], where M comes from the child's start {M,F,A}. + %%-------------------------------------------------------------------------- -record(child, {% pid is undefined when child is not running @@ -96,10 +119,7 @@ -define(is_simple(State), State#state.strategy =:= simple_one_for_one). -callback init(Args :: term()) -> - {ok, {{RestartStrategy :: strategy(), - MaxR :: non_neg_integer(), - MaxT :: non_neg_integer()}, - [ChildSpec :: child_spec()]}} + {ok, {SupFlags :: sup_flags(), [ChildSpec :: child_spec()]}} | ignore. -define(restarting(_Pid_), {restarting,_Pid_}). @@ -178,6 +198,14 @@ delete_child(Supervisor, Name) -> terminate_child(Supervisor, Name) -> call(Supervisor, {terminate_child, Name}). +-spec get_childspec(SupRef, Id) -> Result when + SupRef :: sup_ref(), + Id :: pid() | child_id(), + Result :: {'ok', child_spec()} | {'error', Error}, + Error :: 'not_found'. +get_childspec(Supervisor, Name) -> + call(Supervisor, {get_childspec, Name}). + -spec which_children(SupRef) -> [{Id,Child,Type,Modules}] when SupRef :: sup_ref(), Id :: child_id() | undefined, @@ -353,7 +381,7 @@ handle_call({start_child, EArgs}, _From, State) when ?is_simple(State) -> #child{mfargs = {M, F, A}} = Child, Args = A ++ EArgs, case do_start_child_i(M, F, Args) of - {ok, undefined} when Child#child.restart_type =:= temporary -> + {ok, undefined} -> {reply, {ok, undefined}, State}; {ok, Pid} -> NState = save_dynamic_child(Child#child.restart_type, Pid, Args, State), @@ -431,6 +459,14 @@ handle_call({delete_child, Name}, _From, State) -> {reply, {error, not_found}, State} end; +handle_call({get_childspec, Name}, _From, State) -> + case get_child(Name, State, ?is_simple(State)) of + {value, Child} -> + {reply, {ok, child_to_spec(Child)}, State}; + false -> + {reply, {error, not_found}, State} + end; + handle_call(which_children, _From, #state{children = [#child{restart_type = temporary, child_type = CT, modules = Mods}]} = @@ -610,13 +646,11 @@ terminate(_Reason, State) -> code_change(_, State, _) -> case (State#state.module):init(State#state.args) of {ok, {SupFlags, StartSpec}} -> - case catch check_flags(SupFlags) of - ok -> - {Strategy, MaxIntensity, Period} = SupFlags, - update_childspec(State#state{strategy = Strategy, - intensity = MaxIntensity, - period = Period}, - StartSpec); + case set_flags(SupFlags, State) of + {ok, State1} -> + update_childspec(State1, StartSpec); + {invalid_type, SupFlags} -> + {error, {bad_flags, SupFlags}}; % backwards compatibility Error -> {error, Error} end; @@ -626,14 +660,6 @@ code_change(_, State, _) -> Error end. -check_flags({Strategy, MaxIntensity, Period}) -> - validStrategy(Strategy), - validIntensity(MaxIntensity), - validPeriod(Period), - ok; -check_flags(What) -> - {bad_flags, What}. - update_childspec(State, StartSpec) when ?is_simple(State) -> case check_startspec(StartSpec) of {ok, [Child]} -> @@ -1188,25 +1214,36 @@ remove_child(Child, State) -> %% Returns: {ok, state()} | Error %%----------------------------------------------------------------- init_state(SupName, Type, Mod, Args) -> - case catch init_state1(SupName, Type, Mod, Args) of - {ok, State} -> - {ok, State}; - Error -> - Error + set_flags(Type, #state{name = supname(SupName,Mod), + module = Mod, + args = Args}). + +set_flags(Flags, State) -> + try check_flags(Flags) of + #{strategy := Strategy, intensity := MaxIntensity, period := Period} -> + {ok, State#state{strategy = Strategy, + intensity = MaxIntensity, + period = Period}} + catch + Thrown -> Thrown end. -init_state1(SupName, {Strategy, MaxIntensity, Period}, Mod, Args) -> +check_flags(SupFlags) when is_map(SupFlags) -> + do_check_flags(maps:merge(?default_flags,SupFlags)); +check_flags({Strategy, MaxIntensity, Period}) -> + check_flags(#{strategy => Strategy, + intensity => MaxIntensity, + period => Period}); +check_flags(What) -> + throw({invalid_type, What}). + +do_check_flags(#{strategy := Strategy, + intensity := MaxIntensity, + period := Period} = Flags) -> validStrategy(Strategy), validIntensity(MaxIntensity), validPeriod(Period), - {ok, #state{name = supname(SupName,Mod), - strategy = Strategy, - intensity = MaxIntensity, - period = Period, - module = Mod, - args = Args}}; -init_state1(_SupName, Type, _, _) -> - {invalid_type, Type}. + Flags. validStrategy(simple_one_for_one) -> true; validStrategy(one_for_one) -> true; @@ -1227,14 +1264,7 @@ supname(N, _) -> N. %%% ------------------------------------------------------ %%% Check that the children start specification is valid. -%%% Shall be a six (6) tuple -%%% {Name, Func, RestartType, Shutdown, ChildType, Modules} -%%% where Name is an atom -%%% Func is {Mod, Fun, Args} == {atom(), atom(), list()} -%%% RestartType is permanent | temporary | transient -%%% Shutdown = integer() > 0 | infinity | brutal_kill -%%% ChildType = supervisor | worker -%%% Modules = [atom()] | dynamic +%%% Input: [child_spec()] %%% Returns: {ok, [child_rec()]} | Error %%% ------------------------------------------------------ @@ -1244,6 +1274,9 @@ check_startspec([ChildSpec|T], Res) -> case check_childspec(ChildSpec) of {ok, Child} -> case lists:keymember(Child#child.name, #child.name, Res) of + %% The error message duplicate_child_name is kept for + %% backwards compatibility, although + %% duplicate_child_id would be more correct. true -> {duplicate_child_name, Child#child.name}; false -> check_startspec(T, [Child | Res]) end; @@ -1252,16 +1285,41 @@ check_startspec([ChildSpec|T], Res) -> check_startspec([], Res) -> {ok, lists:reverse(Res)}. +check_childspec(ChildSpec) when is_map(ChildSpec) -> + catch do_check_childspec(maps:merge(?default_child_spec,ChildSpec)); check_childspec({Name, Func, RestartType, Shutdown, ChildType, Mods}) -> - catch check_childspec(Name, Func, RestartType, Shutdown, ChildType, Mods); + check_childspec(#{id => Name, + start => Func, + restart => RestartType, + shutdown => Shutdown, + type => ChildType, + modules => Mods}); check_childspec(X) -> {invalid_child_spec, X}. -check_childspec(Name, Func, RestartType, Shutdown, ChildType, Mods) -> +do_check_childspec(#{restart := RestartType, + type := ChildType} = ChildSpec)-> + Name = case ChildSpec of + #{id := N} -> N; + _ -> throw(missing_id) + end, + Func = case ChildSpec of + #{start := F} -> F; + _ -> throw(missing_start) + end, validName(Name), validFunc(Func), validRestartType(RestartType), validChildType(ChildType), - validShutdown(Shutdown, ChildType), + Shutdown = case ChildSpec of + #{shutdown := S} -> S; + #{type := worker} -> 5000; + #{type := supervisor} -> infinity + end, + validShutdown(Shutdown), + Mods = case ChildSpec of + #{modules := Ms} -> Ms; + _ -> {M,_,_} = Func, [M] + end, validMods(Mods), {ok, #child{name = Name, mfargs = Func, restart_type = RestartType, shutdown = Shutdown, child_type = ChildType, modules = Mods}}. @@ -1282,11 +1340,11 @@ validRestartType(temporary) -> true; validRestartType(transient) -> true; validRestartType(RestartType) -> throw({invalid_restart_type, RestartType}). -validShutdown(Shutdown, _) +validShutdown(Shutdown) when is_integer(Shutdown), Shutdown > 0 -> true; -validShutdown(infinity, _) -> true; -validShutdown(brutal_kill, _) -> true; -validShutdown(Shutdown, _) -> throw({invalid_shutdown, Shutdown}). +validShutdown(infinity) -> true; +validShutdown(brutal_kill) -> true; +validShutdown(Shutdown) -> throw({invalid_shutdown, Shutdown}). validMods(dynamic) -> true; validMods(Mods) when is_list(Mods) -> @@ -1299,6 +1357,19 @@ validMods(Mods) when is_list(Mods) -> Mods); validMods(Mods) -> throw({invalid_modules, Mods}). +child_to_spec(#child{name = Name, + mfargs = Func, + restart_type = RestartType, + shutdown = Shutdown, + child_type = ChildType, + modules = Mods}) -> + #{id => Name, + start => Func, + restart => RestartType, + shutdown => Shutdown, + type => ChildType, + modules => Mods}. + %%% ------------------------------------------------------ %%% Add a new restart and calculate if the max restart %%% intensity has been reached (in that case the supervisor @@ -1312,7 +1383,7 @@ add_restart(State) -> I = State#state.intensity, P = State#state.period, R = State#state.restarts, - Now = erlang:now(), + Now = erlang:monotonic_time(1), R1 = add_restart([Now|R], Now, P), State1 = State#state{restarts = R1}, case length(R1) of @@ -1332,26 +1403,8 @@ add_restart([R|Restarts], Now, Period) -> add_restart([], _, _) -> []. -inPeriod(Time, Now, Period) -> - case difference(Time, Now) of - T when T > Period -> - false; - _ -> - true - end. - -%% -%% Time = {MegaSecs, Secs, MicroSecs} (NOTE: MicroSecs is ignored) -%% Calculate the time elapsed in seconds between two timestamps. -%% If MegaSecs is equal just subtract Secs. -%% Else calculate the Mega difference and add the Secs difference, -%% note that Secs difference can be negative, e.g. -%% {827, 999999, 676} diff {828, 1, 653753} == > 2 secs. -%% -difference({TimeM, TimeS, _}, {CurM, CurS, _}) when CurM > TimeM -> - ((CurM - TimeM) * 1000000) + (CurS - TimeS); -difference({_, TimeS, _}, {_, CurS, _}) -> - CurS - TimeS. +inPeriod(Then, Now, Period) -> + Now =< Then + Period. %%% ------------------------------------------------------ %%% Error and progress reporting. @@ -1367,14 +1420,14 @@ report_error(Error, Reason, Child, SupName) -> extract_child(Child) when is_list(Child#child.pid) -> [{nb_children, length(Child#child.pid)}, - {name, Child#child.name}, + {id, Child#child.name}, {mfargs, Child#child.mfargs}, {restart_type, Child#child.restart_type}, {shutdown, Child#child.shutdown}, {child_type, Child#child.child_type}]; extract_child(Child) -> [{pid, Child#child.pid}, - {name, Child#child.name}, + {id, Child#child.name}, {mfargs, Child#child.mfargs}, {restart_type, Child#child.restart_type}, {shutdown, Child#child.shutdown}, diff --git a/lib/stdlib/src/sys.erl b/lib/stdlib/src/sys.erl index d3ba09ce82..7e4bfa1fdd 100644 --- a/lib/stdlib/src/sys.erl +++ b/lib/stdlib/src/sys.erl @@ -24,6 +24,7 @@ get_state/1, get_state/2, replace_state/2, replace_state/3, change_code/4, change_code/5, + terminate/2, terminate/3, log/2, log/3, trace/2, trace/3, statistics/2, statistics/3, log_to_file/2, log_to_file/3, no_debug/1, no_debug/2, install/2, install/3, remove/2, remove/3]). @@ -163,6 +164,19 @@ change_code(Name, Mod, Vsn, Extra) -> change_code(Name, Mod, Vsn, Extra, Timeout) -> send_system_msg(Name, {change_code, Mod, Vsn, Extra}, Timeout). +-spec terminate(Name, Reason) -> 'ok' when + Name :: name(), + Reason :: term(). +terminate(Name, Reason) -> + send_system_msg(Name, {terminate, Reason}). + +-spec terminate(Name, Reason, Timeout) -> 'ok' when + Name :: name(), + Reason :: term(), + Timeout :: timeout(). +terminate(Name, Reason, Timeout) -> + send_system_msg(Name, {terminate, Reason}, Timeout). + %%----------------------------------------------------------------- %% Debug commands %%----------------------------------------------------------------- @@ -298,6 +312,8 @@ mfa(Name, {debug, {Func, Arg2}}) -> {sys, Func, [Name, Arg2]}; mfa(Name, {change_code, Mod, Vsn, Extra}) -> {sys, change_code, [Name, Mod, Vsn, Extra]}; +mfa(Name, {terminate, Reason}) -> + {sys, terminate, [Name, Reason]}; mfa(Name, Atom) -> {sys, Atom, [Name]}. @@ -313,7 +329,7 @@ mfa(Name, Req, Timeout) -> %% Returns: This function *never* returns! It calls the function %% Module:system_continue(Parent, NDebug, Misc) %% there the process continues the execution or -%% Module:system_terminate(Raeson, Parent, Debug, Misc) if +%% Module:system_terminate(Reason, Parent, Debug, Misc) if %% the process should terminate. %% The Module must export system_continue/3, system_terminate/4 %% and format_status/2 for status information. @@ -339,7 +355,10 @@ handle_system_msg(SysState, Msg, From, Parent, Mod, Debug, Misc, Hib) -> suspend_loop(suspended, Parent, Mod, NDebug, NMisc, Hib); {running, Reply, NDebug, NMisc} -> _ = gen:reply(From, Reply), - Mod:system_continue(Parent, NDebug, NMisc) + Mod:system_continue(Parent, NDebug, NMisc); + {{terminating, Reason}, Reply, NDebug, NMisc} -> + _ = gen:reply(From, Reply), + Mod:system_terminate(Reason, Parent, NDebug, NMisc) end. %%----------------------------------------------------------------- @@ -419,6 +438,8 @@ do_cmd(SysState, get_status, Parent, Mod, Debug, Misc) -> do_cmd(SysState, {debug, What}, _Parent, _Mod, Debug, Misc) -> {Res, NDebug} = debug_cmd(What, Debug), {SysState, Res, NDebug, Misc}; +do_cmd(_, {terminate, Reason}, _Parent, _Mod, Debug, Misc) -> + {{terminating, Reason}, ok, Debug, Misc}; do_cmd(suspended, {change_code, Module, Vsn, Extra}, _Parent, Mod, Debug, Misc) -> {Res, NMisc} = do_change_code(Mod, Module, Vsn, Extra, Misc), diff --git a/lib/stdlib/src/timer.erl b/lib/stdlib/src/timer.erl index 72a2dd9616..c266177b4d 100644 --- a/lib/stdlib/src/timer.erl +++ b/lib/stdlib/src/timer.erl @@ -161,10 +161,11 @@ sleep(T) -> Time :: integer(), Value :: term(). tc(F) -> - Before = os:timestamp(), + T1 = erlang:monotonic_time(), Val = F(), - After = os:timestamp(), - {now_diff(After, Before), Val}. + T2 = erlang:monotonic_time(), + Time = erlang:convert_time_unit(T2 - T1, native, micro_seconds), + {Time, Val}. %% %% Measure the execution time (in microseconds) for Fun(Args). @@ -175,10 +176,11 @@ tc(F) -> Time :: integer(), Value :: term(). tc(F, A) -> - Before = os:timestamp(), + T1 = erlang:monotonic_time(), Val = apply(F, A), - After = os:timestamp(), - {now_diff(After, Before), Val}. + T2 = erlang:monotonic_time(), + Time = erlang:convert_time_unit(T2 - T1, native, micro_seconds), + {Time, Val}. %% %% Measure the execution time (in microseconds) for an MFA. @@ -190,10 +192,11 @@ tc(F, A) -> Time :: integer(), Value :: term(). tc(M, F, A) -> - Before = os:timestamp(), + T1 = erlang:monotonic_time(), Val = apply(M, F, A), - After = os:timestamp(), - {now_diff(After, Before), Val}. + T2 = erlang:monotonic_time(), + Time = erlang:convert_time_unit(T2 - T1, native, micro_seconds), + {Time, Val}. %% %% Calculate the time difference (in microseconds) of two @@ -437,10 +440,8 @@ positive(X) -> %% %% system_time() -> time in microseconds %% -system_time() -> - {M,S,U} = erlang:now(), - 1000000 * (M*1000000 + S) + U. - +system_time() -> + erlang:monotonic_time(1000000). send([Pid, Msg]) -> Pid ! Msg. diff --git a/lib/stdlib/src/win32reg.erl b/lib/stdlib/src/win32reg.erl index 48a7e262be..38c41a5f6e 100644 --- a/lib/stdlib/src/win32reg.erl +++ b/lib/stdlib/src/win32reg.erl @@ -218,12 +218,7 @@ expand([C|Rest], [], Result) -> expand(Rest, [], [C|Result]); expand([$%|Rest], Env0, Result) -> Env = lists:reverse(Env0), - case os:getenv(Env) of - false -> - expand(Rest, [], Result); - Value -> - expand(Rest, [], lists:reverse(Value)++Result) - end; + expand(Rest, [], lists:reverse(os:getenv(Env, ""))++Result); expand([C|Rest], Env, Result) -> expand(Rest, [C|Env], Result); expand([], [], Result) -> diff --git a/lib/stdlib/src/zip.erl b/lib/stdlib/src/zip.erl index b768c6d0b9..f986c0081d 100644 --- a/lib/stdlib/src/zip.erl +++ b/lib/stdlib/src/zip.erl @@ -24,7 +24,7 @@ list_dir/1, list_dir/2, table/1, table/2, t/1, tt/1]). -%% unzipping peicemeal +%% unzipping piecemeal -export([openzip_open/1, openzip_open/2, openzip_get/1, openzip_get/2, openzip_t/1, openzip_tt/1, @@ -214,7 +214,9 @@ -type zip_comment() :: #zip_comment{}. -type zip_file() :: #zip_file{}. --export_type([create_option/0, filename/0]). +-opaque handle() :: pid(). + +-export_type([create_option/0, filename/0, handle/0]). %% Open a zip archive with options %% @@ -500,7 +502,7 @@ do_list_dir(F, Options) -> -spec(t(Archive) -> ok when Archive :: file:name() | binary() | ZipHandle, - ZipHandle :: pid()). + ZipHandle :: handle()). t(F) when is_pid(F) -> zip_t(F); t(F) when is_record(F, openzip) -> openzip_t(F); @@ -524,7 +526,7 @@ do_t(F, RawPrint) -> -spec(tt(Archive) -> ok when Archive :: file:name() | binary() | ZipHandle, - ZipHandle :: pid()). + ZipHandle :: handle()). tt(F) when is_pid(F) -> zip_tt(F); tt(F) when is_record(F, openzip) -> openzip_tt(F); @@ -1114,15 +1116,19 @@ local_file_header_from_info_method_name(#file_info{mtime = MTime}, file_name_length = length(Name), extra_field_length = 0}. +server_init(Parent) -> + %% we want to know if our parent dies + process_flag(trap_exit, true), + server_loop(Parent, not_open). %% small, simple, stupid zip-archive server -server_loop(OpenZip) -> +server_loop(Parent, OpenZip) -> receive {From, {open, Archive, Options}} -> case openzip_open(Archive, Options) of {ok, NewOpenZip} -> From ! {self(), {ok, self()}}, - server_loop(NewOpenZip); + server_loop(Parent, NewOpenZip); Error -> From ! {self(), Error} end; @@ -1130,43 +1136,47 @@ server_loop(OpenZip) -> From ! {self(), openzip_close(OpenZip)}; {From, get} -> From ! {self(), openzip_get(OpenZip)}, - server_loop(OpenZip); + server_loop(Parent, OpenZip); {From, {get, FileName}} -> From ! {self(), openzip_get(FileName, OpenZip)}, - server_loop(OpenZip); + server_loop(Parent, OpenZip); {From, list_dir} -> From ! {self(), openzip_list_dir(OpenZip)}, - server_loop(OpenZip); + server_loop(Parent, OpenZip); {From, {list_dir, Opts}} -> From ! {self(), openzip_list_dir(OpenZip, Opts)}, - server_loop(OpenZip); + server_loop(Parent, OpenZip); {From, get_state} -> From ! {self(), OpenZip}, - server_loop(OpenZip); + server_loop(Parent, OpenZip); + {'EXIT', Parent, Reason} -> + _ = openzip_close(OpenZip), + exit({parent_died, Reason}); _ -> {error, bad_msg} end. -spec(zip_open(Archive) -> {ok, ZipHandle} | {error, Reason} when Archive :: file:name() | binary(), - ZipHandle :: pid(), + ZipHandle :: handle(), Reason :: term()). zip_open(Archive) -> zip_open(Archive, []). -spec(zip_open(Archive, Options) -> {ok, ZipHandle} | {error, Reason} when Archive :: file:name() | binary(), - ZipHandle :: pid(), + ZipHandle :: handle(), Options :: [Option], Option :: cooked | memory | {cwd, CWD :: file:filename()}, Reason :: term()). zip_open(Archive, Options) -> - Pid = spawn(fun() -> server_loop(not_open) end), - request(self(), Pid, {open, Archive, Options}). + Self = self(), + Pid = spawn_link(fun() -> server_init(Self) end), + request(Self, Pid, {open, Archive, Options}). -spec(zip_get(ZipHandle) -> {ok, [Result]} | {error, Reason} when - ZipHandle :: pid(), + ZipHandle :: handle(), Result :: file:name() | {file:name(), binary()}, Reason :: term()). @@ -1174,14 +1184,14 @@ zip_get(Pid) when is_pid(Pid) -> request(self(), Pid, get). -spec(zip_close(ZipHandle) -> ok | {error, einval} when - ZipHandle :: pid()). + ZipHandle :: handle()). zip_close(Pid) when is_pid(Pid) -> request(self(), Pid, close). -spec(zip_get(FileName, ZipHandle) -> {ok, Result} | {error, Reason} when FileName :: file:name(), - ZipHandle :: pid(), + ZipHandle :: handle(), Result :: file:name() | {file:name(), binary()}, Reason :: term()). @@ -1190,7 +1200,7 @@ zip_get(FileName, Pid) when is_pid(Pid) -> -spec(zip_list_dir(ZipHandle) -> {ok, Result} | {error, Reason} when Result :: [zip_comment() | zip_file()], - ZipHandle :: pid(), + ZipHandle :: handle(), Reason :: term()). zip_list_dir(Pid) when is_pid(Pid) -> diff --git a/lib/stdlib/test/Makefile b/lib/stdlib/test/Makefile index a271229c59..61eb34d565 100644 --- a/lib/stdlib/test/Makefile +++ b/lib/stdlib/test/Makefile @@ -23,6 +23,7 @@ MODULES= \ dummy_via \ edlin_expand_SUITE \ epp_SUITE \ + erl_anno_SUITE \ erl_eval_SUITE \ erl_expand_records_SUITE \ erl_internal_SUITE \ @@ -53,6 +54,7 @@ MODULES= \ proc_lib_SUITE \ qlc_SUITE \ queue_SUITE \ + rand_SUITE \ random_SUITE \ re_SUITE \ run_pcre_tests \ diff --git a/lib/stdlib/test/binary_module_SUITE.erl b/lib/stdlib/test/binary_module_SUITE.erl index 32cec0db6f..8d26c77c9b 100644 --- a/lib/stdlib/test/binary_module_SUITE.erl +++ b/lib/stdlib/test/binary_module_SUITE.erl @@ -506,12 +506,35 @@ do_interesting(Module) -> ?line [<<1,2,3>>,<<6>>] = Module:split(<<1,2,3,4,5,6,7,8>>, [<<4,5>>,<<7>>,<<8>>], [global,trim]), + ?line [<<1,2,3>>,<<6>>] = Module:split(<<1,2,3,4,5,6,7,8>>, + [<<4,5>>,<<7>>,<<8>>], + [global,trim_all]), ?line [<<1,2,3,4,5,6,7,8>>] = Module:split(<<1,2,3,4,5,6,7,8>>, [<<4,5>>,<<7>>,<<8>>], [global,trim,{scope,{0,4}}]), ?line [<<1,2,3>>,<<6,7,8>>] = Module:split(<<1,2,3,4,5,6,7,8>>, [<<4,5>>,<<7>>,<<8>>], [global,trim,{scope,{0,5}}]), + + ?line [<<>>,<<>>,<<3>>,<<6,7,8>>] = Module:split(<<1,2,3,4,5,6,7,8>>, + [<<1>>,<<2>>,<<4,5>>], + [global,trim]), + ?line [<<3>>,<<6,7,8>>] = Module:split(<<1,2,3,4,5,6,7,8>>, + [<<1>>,<<2>>,<<4,5>>], + [global,trim_all]), + + ?line [<<1,2,3>>,<<>>,<<7,8>>] = Module:split(<<1,2,3,4,5,6,7,8>>, + [<<4,5>>,<<6>>], + [global,trim]), + ?line [<<1,2,3>>,<<7,8>>] = Module:split(<<1,2,3,4,5,6,7,8>>, + [<<4,5>>,<<6>>], + [global,trim_all]), + ?line [<<>>,<<>>,<<3>>,<<>>,<<6>>] = Module:split(<<1,2,3,4,5,6,7,8>>, + [<<1>>,<<2>>,<<4>>,<<5>>,<<7>>,<<8>>], + [global,trim]), + ?line [<<3>>,<<6>>] = Module:split(<<1,2,3,4,5,6,7,8>>, + [<<1>>,<<2>>,<<4>>,<<5>>,<<7>>,<<8>>], + [global,trim_all]), ?line badarg = ?MASK_ERROR( Module:replace(<<1,2,3,4,5,6,7,8>>, [<<4,5>>,<<7>>,<<8>>],<<99>>, @@ -970,43 +993,51 @@ random_parts(X,N) -> random_ref_comp(doc) -> ["Test pseudorandomly generated cases against reference imlementation"]; random_ref_comp(Config) when is_list(Config) -> - ?line put(success_counter,0), - ?line random:seed({1271,769940,559934}), - ?line do_random_match_comp(5000,{1,40},{30,1000}), + put(success_counter,0), + random:seed({1271,769940,559934}), + Nr = {1,40}, + Hr = {30,1000}, + I1 = 1500, + I2 = 5, + do_random_match_comp(I1,Nr,Hr), io:format("Number of successes: ~p~n",[get(success_counter)]), - ?line do_random_match_comp2(5000,{1,40},{30,1000}), + do_random_match_comp2(I1,Nr,Hr), io:format("Number of successes: ~p~n",[get(success_counter)]), - ?line do_random_match_comp3(5000,{1,40},{30,1000}), + do_random_match_comp3(I1,Nr,Hr), io:format("Number of successes: ~p~n",[get(success_counter)]), - ?line do_random_match_comp4(5000,{1,40},{30,1000}), + do_random_match_comp4(I1,Nr,Hr), io:format("Number of successes: ~p~n",[get(success_counter)]), - ?line do_random_matches_comp(5000,{1,40},{30,1000}), + do_random_matches_comp(I1,Nr,Hr), io:format("Number of successes: ~p~n",[get(success_counter)]), - ?line do_random_matches_comp2(5000,{1,40},{30,1000}), + do_random_matches_comp2(I1,Nr,Hr), io:format("Number of successes: ~p~n",[get(success_counter)]), - ?line do_random_matches_comp3(5,{1,40},{30,1000}), - ?line erts_debug:set_internal_state(available_internal_state,true), - ?line io:format("oldlimit: ~p~n",[ erts_debug:set_internal_state(binary_loop_limit,100)]), - ?line do_random_match_comp(5000,{1,40},{30,1000}), - ?line do_random_matches_comp3(5,{1,40},{30,1000}), - ?line io:format("limit was: ~p~n",[ erts_debug:set_internal_state(binary_loop_limit,default)]), - ?line erts_debug:set_internal_state(available_internal_state,false), + do_random_matches_comp3(I2,Nr,Hr), + erts_debug:set_internal_state(available_internal_state,true), + io:format("oldlimit: ~p~n",[ erts_debug:set_internal_state(binary_loop_limit,100)]), + do_random_match_comp(I1,Nr,Hr), + do_random_matches_comp3(I2,Nr,Hr), + io:format("limit was: ~p~n",[ erts_debug:set_internal_state(binary_loop_limit,default)]), + erts_debug:set_internal_state(available_internal_state,false), ok. random_ref_sr_comp(doc) -> ["Test pseudorandomly generated cases against reference imlementation of split and replace"]; random_ref_sr_comp(Config) when is_list(Config) -> - ?line put(success_counter,0), - ?line random:seed({1271,769940,559934}), - ?line do_random_split_comp(5000,{1,40},{30,1000}), + put(success_counter,0), + random:seed({1271,769940,559934}), + Nr = {1,40}, + Hr = {30,1000}, + I1 = 1500, + do_random_split_comp(I1,Nr,Hr), io:format("Number of successes: ~p~n",[get(success_counter)]), - ?line do_random_replace_comp(5000,{1,40},{30,1000}), + do_random_replace_comp(I1,Nr,Hr), io:format("Number of successes: ~p~n",[get(success_counter)]), - ?line do_random_split_comp2(5000,{1,40},{30,1000}), + do_random_split_comp2(I1,Nr,Hr), io:format("Number of successes: ~p~n",[get(success_counter)]), - ?line do_random_replace_comp2(5000,{1,40},{30,1000}), + do_random_replace_comp2(I1,Nr,Hr), io:format("Number of successes: ~p~n",[get(success_counter)]), ok. + random_ref_fla_comp(doc) -> ["Test pseudorandomly generated cases against reference imlementation of split and replace"]; random_ref_fla_comp(Config) when is_list(Config) -> @@ -1107,7 +1138,9 @@ do_random_matches_comp3(N,NeedleRange,HaystackRange) -> Needles = [random_substring(NeedleRange,Haystack) || _ <- lists:duplicate(NumNeedles,a)], RefRes = binref:matches(Haystack,Needles), - true = do_matches_comp_loop(10000,Needles,Haystack, RefRes), + RefRes = binary:matches(Haystack,Needles), + Compiled = binary:compile_pattern(Needles), + true = do_matches_comp_loop(10000,Compiled,Haystack, RefRes), do_random_matches_comp3(N-1,NeedleRange,HaystackRange). do_matches_comp_loop(0,_,_,_) -> @@ -1137,9 +1170,8 @@ do_matches_comp2(N,H,A) -> end. do_matches_comp(N,H) -> A = ?MASK_ERROR(binref:matches(H,N)), - B = ?MASK_ERROR(binref:matches(H,binref:compile_pattern(N))), - C = ?MASK_ERROR(binary:matches(H,N)), - D = ?MASK_ERROR(binary:matches(make_unaligned(H), + B = ?MASK_ERROR(binary:matches(H,N)), + C = ?MASK_ERROR(binary:matches(make_unaligned(H), binary:compile_pattern([make_unaligned2(X) || X <- N]))), if A =/= nomatch -> @@ -1147,14 +1179,14 @@ do_matches_comp(N,H) -> true -> ok end, - case {(A =:= B), (B =:= C),(C =:= D)} of - {true,true,true} -> + case {(A =:= B), (B =:= C)} of + {true,true} -> true; _ -> io:format("Failed to match ~p (needle) against ~s (haystack)~n", [N,H]), - io:format("A:~p,~nB:~p,~n,C:~p,~n,D:~p.~n", - [A,B,C,D]), + io:format("A:~p,~nB:~p,~n,C:~p,~n", + [A,B,C]), exit(mismatch) end. @@ -1196,46 +1228,44 @@ do_random_match_comp4(N,NeedleRange,HaystackRange) -> do_match_comp(N,H) -> A = ?MASK_ERROR(binref:match(H,N)), - B = ?MASK_ERROR(binref:match(H,binref:compile_pattern([N]))), - C = ?MASK_ERROR(binary:match(make_unaligned(H),N)), - D = ?MASK_ERROR(binary:match(H,binary:compile_pattern([N]))), - E = ?MASK_ERROR(binary:match(H,binary:compile_pattern(make_unaligned(N)))), + B = ?MASK_ERROR(binary:match(make_unaligned(H),N)), + C = ?MASK_ERROR(binary:match(H,binary:compile_pattern([N]))), + D = ?MASK_ERROR(binary:match(H,binary:compile_pattern(make_unaligned(N)))), if A =/= nomatch -> put(success_counter,get(success_counter)+1); true -> ok end, - case {(A =:= B), (B =:= C),(C =:= D),(D =:= E)} of - {true,true,true,true} -> + case {(A =:= B), (B =:= C),(C =:= D)} of + {true,true,true} -> true; _ -> io:format("Failed to match ~s (needle) against ~s (haystack)~n", [N,H]), - io:format("A:~p,~nB:~p,~n,C:~p,~n,D:~p,E:~p.~n", - [A,B,C,D,E]), + io:format("A:~p,~nB:~p,~n,C:~p,~n,D:~p.~n", + [A,B,C,D]), exit(mismatch) end. do_match_comp3(N,H) -> A = ?MASK_ERROR(binref:match(H,N)), - B = ?MASK_ERROR(binref:match(H,binref:compile_pattern(N))), - C = ?MASK_ERROR(binary:match(H,N)), - D = ?MASK_ERROR(binary:match(H,binary:compile_pattern(N))), + B = ?MASK_ERROR(binary:match(H,N)), + C = ?MASK_ERROR(binary:match(H,binary:compile_pattern(N))), if A =/= nomatch -> put(success_counter,get(success_counter)+1); true -> ok end, - case {(A =:= B), (B =:= C),(C =:= D)} of - {true,true,true} -> + case {(A =:= B),(B =:= C)} of + {true,true} -> true; _ -> io:format("Failed to match ~s (needle) against ~s (haystack)~n", [N,H]), - io:format("A:~p,~nB:~p,~n,C:~p,~n,D:~p.~n", - [A,B,C,D]), + io:format("A:~p,~nB:~p,~n,C:~p.~n", + [A,B,C]), exit(mismatch) end. @@ -1247,6 +1277,8 @@ do_random_split_comp(N,NeedleRange,HaystackRange) -> true = do_split_comp(Needle,Haystack,[]), true = do_split_comp(Needle,Haystack,[global]), true = do_split_comp(Needle,Haystack,[global,trim]), + true = do_split_comp(Needle,Haystack,[global,trim_all]), + true = do_split_comp(Needle,Haystack,[global,trim,trim_all]), do_random_split_comp(N-1,NeedleRange,HaystackRange). do_random_split_comp2(0,_,_) -> ok; @@ -1257,6 +1289,9 @@ do_random_split_comp2(N,NeedleRange,HaystackRange) -> _ <- lists:duplicate(NumNeedles,a)], true = do_split_comp(Needles,Haystack,[]), true = do_split_comp(Needles,Haystack,[global]), + true = do_split_comp(Needles,Haystack,[global,trim]), + true = do_split_comp(Needles,Haystack,[global,trim_all]), + true = do_split_comp(Needles,Haystack,[global,trim,trim_all]), do_random_split_comp2(N-1,NeedleRange,HaystackRange). do_split_comp(N,H,Opts) -> diff --git a/lib/stdlib/test/binref.erl b/lib/stdlib/test/binref.erl index 6d96736ef3..a52ea98e5a 100644 --- a/lib/stdlib/test/binref.erl +++ b/lib/stdlib/test/binref.erl @@ -155,7 +155,8 @@ split(Haystack,Needles0,Options) -> true -> exit(badtype) end, - {Part,Global,Trim} = get_opts_split(Options,{nomatch,false,false}), + {Part,Global,Trim,TrimAll} = + get_opts_split(Options,{nomatch,false,false,false}), {Start,End,NewStack} = case Part of nomatch -> @@ -180,20 +181,24 @@ split(Haystack,Needles0,Options) -> [X] end end, - do_split(Haystack,MList,0,Trim) + do_split(Haystack,MList,0,Trim,TrimAll) catch _:_ -> erlang:error(badarg) end. -do_split(H,[],N,true) when N >= byte_size(H) -> +do_split(H,[],N,true,_) when N >= byte_size(H) -> []; -do_split(H,[],N,_) -> +do_split(H,[],N,_,true) when N >= byte_size(H) -> + []; +do_split(H,[],N,_,_) -> [part(H,{N,byte_size(H)-N})]; -do_split(H,[{A,B}|T],N,Trim) -> +do_split(H,[{A,B}|T],N,Trim,TrimAll) -> case part(H,{N,A-N}) of + <<>> when TrimAll == true -> + do_split(H,T,A+B,Trim,TrimAll); <<>> -> - Rest = do_split(H,T,A+B,Trim), + Rest = do_split(H,T,A+B,Trim,TrimAll), case {Trim, Rest} of {true,[]} -> []; @@ -201,7 +206,7 @@ do_split(H,[{A,B}|T],N,Trim) -> [<<>> | Rest] end; Oth -> - [Oth | do_split(H,T,A+B,Trim)] + [Oth | do_split(H,T,A+B,Trim,TrimAll)] end. @@ -565,14 +570,16 @@ get_opts_match([{scope,{A,B}} | T],_Part) -> get_opts_match(_,_) -> throw(badopt). -get_opts_split([],{Part,Global,Trim}) -> - {Part,Global,Trim}; -get_opts_split([{scope,{A,B}} | T],{_Part,Global,Trim}) -> - get_opts_split(T,{{A,B},Global,Trim}); -get_opts_split([global | T],{Part,_Global,Trim}) -> - get_opts_split(T,{Part,true,Trim}); -get_opts_split([trim | T],{Part,Global,_Trim}) -> - get_opts_split(T,{Part,Global,true}); +get_opts_split([],{Part,Global,Trim,TrimAll}) -> + {Part,Global,Trim,TrimAll}; +get_opts_split([{scope,{A,B}} | T],{_Part,Global,Trim,TrimAll}) -> + get_opts_split(T,{{A,B},Global,Trim,TrimAll}); +get_opts_split([global | T],{Part,_Global,Trim,TrimAll}) -> + get_opts_split(T,{Part,true,Trim,TrimAll}); +get_opts_split([trim | T],{Part,Global,_Trim,TrimAll}) -> + get_opts_split(T,{Part,Global,true,TrimAll}); +get_opts_split([trim_all | T],{Part,Global,Trim,_TrimAll}) -> + get_opts_split(T,{Part,Global,Trim,true}); get_opts_split(_,_) -> throw(badopt). diff --git a/lib/stdlib/test/dict_SUITE.erl b/lib/stdlib/test/dict_SUITE.erl index 69814e12ce..ab624e8dd2 100644 --- a/lib/stdlib/test/dict_SUITE.erl +++ b/lib/stdlib/test/dict_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2013. All Rights Reserved. +%% Copyright Ericsson AB 2008-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -25,16 +25,16 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, init_per_testcase/2,end_per_testcase/2, - create/1,store/1]). + create/1,store/1,iterate/1]). -include_lib("test_server/include/test_server.hrl"). --import(lists, [foldl/3,reverse/1]). +-import(lists, [foldl/3]). suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [create, store]. + [create, store, iterate]. groups() -> []. @@ -93,6 +93,48 @@ store_1(List, M) -> D0. %%% +%%% Test specifics for gb_trees. +%%% + +iterate(Config) when is_list(Config) -> + test_all(fun iterate_1/1). + +iterate_1(M) -> + case M(module, []) of + gb_trees -> iterate_2(M); + _ -> ok + end, + M(empty, []). + +iterate_2(M) -> + random:seed(1, 2, 42), + iter_tree(M, 1000). + +iter_tree(_M, 0) -> + ok; +iter_tree(M, N) -> + L = [{I, I} || I <- lists:seq(1, N)], + T = M(from_list, L), + L = lists:reverse(iterate_tree(M, T)), + R = random:uniform(N), + KV = lists:reverse(iterate_tree_from(M, R, T)), + KV = [P || P={K,_} <- L, K >= R], + iter_tree(M, N-1). + +iterate_tree(M, Tree) -> + I = M(iterator, Tree), + iterate_tree_1(M, M(next, I), []). + +iterate_tree_from(M, Start, Tree) -> + I = M(iterator_from, {Start, Tree}), + iterate_tree_1(M, M(next, I), []). + +iterate_tree_1(_, none, R) -> + R; +iterate_tree_1(M, {K, V, I}, R) -> + iterate_tree_1(M, M(next, I), [{K, V} | R]). + +%%% %%% Helper functions. %%% diff --git a/lib/stdlib/test/dict_test_lib.erl b/lib/stdlib/test/dict_test_lib.erl index 4fdb4fa0bd..81d26ce5f8 100644 --- a/lib/stdlib/test/dict_test_lib.erl +++ b/lib/stdlib/test/dict_test_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2013. All Rights Reserved. +%% Copyright Ericsson AB 2008-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -29,6 +29,9 @@ new(Mod, Eq) -> (module, []) -> Mod; (size, D) -> Mod:size(D); (is_empty, D) -> Mod:is_empty(D); + (iterator, S) -> Mod:iterator(S); + (iterator_from, {Start, S}) -> Mod:iterator_from(Start, S); + (next, I) -> Mod:next(I); (to_list, D) -> to_list(Mod, D) end. diff --git a/lib/stdlib/test/epp_SUITE.erl b/lib/stdlib/test/epp_SUITE.erl index b17e8bd186..9ab170c826 100644 --- a/lib/stdlib/test/epp_SUITE.erl +++ b/lib/stdlib/test/epp_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2014. All Rights Reserved. +%% Copyright Ericsson AB 1998-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -211,7 +211,7 @@ predef_mac(Config) when is_list(Config) -> ?line File = filename:join(?config(data_dir, Config), "mac3.erl"), ?line {ok, List} = epp:parse_file(File, [], []), ?line [_, - {attribute, LineCol1, l, Line1}, + {attribute, Anno, l, Line1}, {attribute, _, f, File}, {attribute, _, machine1, _}, {attribute, _, module, mac3}, @@ -219,13 +219,9 @@ predef_mac(Config) when is_list(Config) -> {attribute, _, ms, "mac3"}, {attribute, _, machine2, _} | _] = List, - ?line case LineCol1 of - Line1 -> ok; - {Line1,_} -> ok - end, + Line1 = erl_anno:line(Anno), ok. - variable_1(doc) -> []; variable_1(suite) -> @@ -553,11 +549,7 @@ otp_7702(Config) when is_list(Config) -> {ok, AC} = beam_lib:chunks(BeamFile, [abstract_code]), {file_7702,[{abstract_code,{_,Forms}}]} = AC, - Fun = fun(Attrs) -> - {line, L} = erl_parse:get_attribute(Attrs, line), - L - end, - Forms2 = [erl_lint:modify_line(Form, Fun) || Form <- Forms], + Forms2 = unopaque_forms(Forms), ?line [{attribute,1,file,_}, _, @@ -1395,9 +1387,10 @@ otp_10820(Config) when is_list(Config) -> do_otp_10820(File, C, PC) -> {ok,Node} = start_node(erl_pp_helper, "+fnu " ++ PC), ok = rpc:call(Node, file, write_file, [File, C]), - {ok,[{attribute,1,file,{File,1}}, - {attribute,2,module,any}, - {eof,2}]} = rpc:call(Node, epp, parse_file, [File, [],[]]), + {ok, Forms} = rpc:call(Node, epp, parse_file, [File, [],[]]), + [{attribute,1,file,{File,1}}, + {attribute,2,module,any}, + {eof,2}] = unopaque_forms(Forms), true = test_server:stop_node(Node), ok. @@ -1440,15 +1433,15 @@ encoding(Config) when is_list(Config) -> {attribute,1,module,encoding}, {error,_}, {error,{2,epp,cannot_parse}}, - {eof,2}]} = epp:parse_file(ErlFile, []), + {eof,2}]} = epp_parse_file(ErlFile, []), {ok,[{attribute,1,file,_}, {attribute,1,module,encoding}, {eof,3}]} = - epp:parse_file(ErlFile, [{default_encoding,latin1}]), + epp_parse_file(ErlFile, [{default_encoding,latin1}]), {ok,[{attribute,1,file,_}, {attribute,1,module,encoding}, {eof,3}],[{encoding,none}]} = - epp:parse_file(ErlFile, [{default_encoding,latin1},extra]), + epp_parse_file(ErlFile, [{default_encoding,latin1},extra]), %% Try a latin-1 file with encoding given in a comment. C2 = <<"-module(encoding). @@ -1459,27 +1452,27 @@ encoding(Config) when is_list(Config) -> {ok,[{attribute,1,file,_}, {attribute,1,module,encoding}, {eof,4}]} = - epp:parse_file(ErlFile, []), + epp_parse_file(ErlFile, []), {ok,[{attribute,1,file,_}, {attribute,1,module,encoding}, {eof,4}]} = - epp:parse_file(ErlFile, [{default_encoding,latin1}]), + epp_parse_file(ErlFile, [{default_encoding,latin1}]), {ok,[{attribute,1,file,_}, {attribute,1,module,encoding}, {eof,4}]} = - epp:parse_file(ErlFile, [{default_encoding,utf8}]), + epp_parse_file(ErlFile, [{default_encoding,utf8}]), {ok,[{attribute,1,file,_}, {attribute,1,module,encoding}, {eof,4}],[{encoding,latin1}]} = - epp:parse_file(ErlFile, [extra]), + epp_parse_file(ErlFile, [extra]), {ok,[{attribute,1,file,_}, {attribute,1,module,encoding}, {eof,4}],[{encoding,latin1}]} = - epp:parse_file(ErlFile, [{default_encoding,latin1},extra]), + epp_parse_file(ErlFile, [{default_encoding,latin1},extra]), {ok,[{attribute,1,file,_}, {attribute,1,module,encoding}, {eof,4}],[{encoding,latin1}]} = - epp:parse_file(ErlFile, [{default_encoding,utf8},extra]), + epp_parse_file(ErlFile, [{default_encoding,utf8},extra]), ok. @@ -1552,6 +1545,17 @@ errs([_|L], File) -> errs([], _File) -> []. +epp_parse_file(File, Opts) -> + case epp:parse_file(File, Opts) of + {ok, Forms} -> + {ok, unopaque_forms(Forms)}; + {ok, Forms, Other} -> + {ok, unopaque_forms(Forms), Other} + end. + +unopaque_forms(Forms) -> + [erl_parse:anno_to_term(Form) || Form <- Forms]. + run_test(Config, Test0) -> Test = [<<"-module(epp_test). -compile(export_all). ">>, Test0], Filename = "epp_test.erl", diff --git a/lib/stdlib/test/erl_anno_SUITE.erl b/lib/stdlib/test/erl_anno_SUITE.erl new file mode 100644 index 0000000000..d024f6907d --- /dev/null +++ b/lib/stdlib/test/erl_anno_SUITE.erl @@ -0,0 +1,568 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2001-2015. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% +-module(erl_anno_SUITE). + +%-define(debug, true). + +-ifdef(debug). +-include_lib("test_server/include/test_server.hrl"). +-define(format(S, A), io:format(S, A)). +-else. +-include_lib("test_server/include/test_server.hrl"). +-define(format(S, A), ok). +-endif. + +-export([all/0, suite/0, groups/0, init_per_suite/1, end_per_suite/1, + init_per_group/2, end_per_group/2, + init_per_testcase/2, end_per_testcase/2]). + +-export([new/1, is_anno/1, generated/1, end_location/1, file/1, + line/1, location/1, record/1, text/1, bad/1, neg_line/1]). + +-export([parse_abstract/1, mapfold_anno/1]). + +all() -> + [{group, anno}, {group, parse}]. + +groups() -> + [{anno, [], [new, is_anno, generated, end_location, file, + line, location, record, text, bad, neg_line]}, + {parse, [], [parse_abstract, mapfold_anno]}]. + +suite() -> [{ct_hooks,[ts_install_cth]}]. + +init_per_suite(Config) -> + Config. + +end_per_suite(_Config) -> + ok. + +init_per_group(_GroupName, Config) -> + Config. + +end_per_group(_GroupName, Config) -> + Config. + +init_per_testcase(_Case, Config) -> + Dog=?t:timetrap(?t:minutes(1)), + [{watchdog, Dog}|Config]. + +end_per_testcase(_Case, _Config) -> + Dog=?config(watchdog, _Config), + test_server:timetrap_cancel(Dog), + ok. + +-define(INFO(T, V), {T, V}). + +-dialyzer({no_fail_call, new/1}). +new(doc) -> + ["Test erl_anno:new/1"]; +new(_Config) -> + {'EXIT', {badarg, _}} = + (catch erl_anno:new([{location,1},{text, "text"}])), % badarg + ok. + +is_anno(doc) -> + ["Test erl_anno:is_anno/1"]; +is_anno(_Config) -> + false = erl_anno:is_anno(a), + false = erl_anno:is_anno({a}), + false = erl_anno:is_anno([]), + false = erl_anno:is_anno([{location, 1}|{generated, true}]), + false = erl_anno:is_anno([{generated,false}]), + false = erl_anno:is_anno([{generated,true}]), + false = erl_anno:is_anno([{location,1},{file,nofile}]), + false = erl_anno:is_anno([{location,1},{text,notext}]), + + true = erl_anno:is_anno(erl_anno:new(1)), + A0 = erl_anno:new({1, 17}), + true = erl_anno:is_anno(A0), + A1 = erl_anno:set_generated(true, A0), + true = erl_anno:is_anno(A1), + A2 = erl_anno:set_file("", A1), + true = erl_anno:is_anno(A2), + A3 = erl_anno:set_record(true, A2), + true = erl_anno:is_anno(A3), + A4 = erl_anno:set_text("text", A3), + true = erl_anno:is_anno(A4), + A5 = erl_anno:set_file(<<"filename">>, A4), + true = erl_anno:is_anno(A5), + ok. + +generated(doc) -> + ["Test 'generated'"]; +generated(_Config) -> + test(1, [{generated, true}, {generated, false}]), + test(1, [{generated, false}, {generated, true}, {generated, false}]), + test({1, 17}, [{generated, false}, + {generated, true}, + {generated, false}]), + test({1, 17}, [{text, "text", [{end_location, {1, 21}}, {length, 4}]}, + {generated, false}, + {generated, true}, + {generated, false}]), + test(1, [{generated, false}, + {generated, true}, + {generated, false}]), + test(1, [{text, "text", [{end_location, 1}, {length, 4}]}, + {generated, false}, + {generated, true}, + {generated, false}]), + ok. + +end_location(doc) -> + ["Test 'end_location'"]; +end_location(_Config) -> + test({1, 17}, [{text, "TEXT", [{end_location, {1, 21}}, {length, 4}]}, + {text, "TEXT\n", [{end_location, {2, 1}}, {length, 5}]}, + {text, "TEXT\ntxt", [{end_location, {2, 4}}, {length, 8}]}]), + test(1, [{text, "TEXT", [{end_location, 1}, {length, 4}]}, + {text, "TEXT\n", [{end_location, 2}, {length, 5}]}, + {text, "TEXT\ntxt", [{end_location, 2}, {length, 8}]}]), + ok. + +file(doc) -> + ["Test 'file'"]; +file(_Config) -> + test(1, [{file, "name"}, {file, ""}]), + test({1, 17}, [{file, "name"}, {file, ""}]), + ok. + +line(doc) -> + ["Test 'line'"]; +line(_Config) -> + test(1, [{line, 17, [{location, 17}]}, + {location, {9, 8}, [{line, 9}, {column, 8}]}, + {line, 14, [{location, {14, 8}}]}]), + ok. + +location(doc) -> + ["Test 'location'"]; +location(_Config) -> + test(1, [{location, 2, [{line,2}]}, + {location, {1, 17}, [{line, 1}, {column, 17}]}, + {location, {9, 6}, [{line, 9}, {column, 6}]}, + {location, 9, [{column, undefined}]}]), + test(1, [{generated, true}, + {location, 2, [{line,2}]}, + {location, {1, 17}, [{line, 1}, {column, 17}]}, + {location, {9, 6}, [{line, 9}, {column, 6}]}, + {location, 9, [{column, undefined}]}]), + test(1, [{record, true}, + {location, 2, [{line,2}]}, + {location, {1, 17}, [{line, 1}, {column, 17}]}, + {location, {9, 6}, [{line, 9}, {column, 6}]}, + {location, 9, [{column, undefined}]}]), + ok. + +record(doc) -> + ["Test 'record'"]; +record(_Config) -> + test({1, 17}, [{record, true}, {record, false}]), + test(1, [{record, true}, {record, false}]), + test({1, 17}, [{generated, false}, + {generated, true}, + {generated, false}]), + test({1, 17}, [{text, "text", [{end_location, {1, 21}}, {length, 4}]}, + {generated, false}, + {generated, true}, + {generated, false}]), + test(1, [{generated, false}, + {generated, true}, + {generated, false}]), + test(1, [{text, "text", [{end_location, 1}, {length, 4}]}, + {generated, false}, + {generated, true}, + {generated, false}]), + ok. + +text(doc) -> + ["Test 'text'"]; +text(_Config) -> + test(1, [{text, "text", [{end_location, 1}, {length, 4}]}, + {text, "", [{end_location, 1}, {length, 0}]}]), + test({1, 17}, [{text, "text", [{end_location, {1,21}}, {length, 4}]}, + {text, "", [{end_location, {1,17}}, {length, 0}]}]), + ok. + +-dialyzer({[no_opaque, no_fail_call], bad/1}). +bad(doc) -> + ["Test bad annotations"]; +bad(_Config) -> + Line = erl_anno:new(1), + LineColumn = erl_anno:new({1, 17}), + {'EXIT', {badarg, _}} = + (catch erl_anno:set_generated(true, bad)), % 3rd arg not opaque + {'EXIT', {badarg, _}} = + (catch erl_anno:set_generated(false, bad)), % 3rd arg not opaque + {'EXIT', {badarg, _}} = + (catch erl_anno:set_generated(19, Line)), + {'EXIT', {badarg, _}} = + (catch erl_anno:set_generated(19, LineColumn)), + + {'EXIT', {badarg, _}} = + (catch erl_anno:generated(bad)), % 1st arg not opaque + {'EXIT', {badarg, _}} = + (catch erl_anno:end_location(bad)), % 1st arg not opaque + {'EXIT', {badarg, _}} = + (catch erl_anno:file(bad)), % 1st arg not opaque + {'EXIT', {badarg, _}} = + (catch erl_anno:text(bad)), % 1st arg not opaque + {'EXIT', {badarg, _}} = + (catch erl_anno:record(bad)), % 1st arg not opaque + ok. + +neg_line(doc) -> + ["Test negative line numbers (OTP 18)"]; +neg_line(_Config) -> + neg_line1(false), + neg_line1(true), + ok. + +neg_line1(TextToo) -> + Minus8_0 = erl_anno:new(-8), + Plus8_0 = erl_anno:new(8), + Minus8C_0 = erl_anno:new({-8, 17}), + Plus8C_0 = erl_anno:new({8, 17}), + + [Minus8, Plus8, Minus8C, Plus8C] = + [case TextToo of + true -> + erl_anno:set_text("foo", A); + false -> + A + end || A <- [Minus8_0, Plus8_0, Minus8C_0, Plus8C_0]], + + tst(-3, erl_anno:set_location(3, Minus8)), + tst(-3, erl_anno:set_location(-3, Plus8)), + tst(-3, erl_anno:set_location(-3, Minus8)), + tst({-3,9}, erl_anno:set_location({3, 9}, Minus8)), + tst({-3,9}, erl_anno:set_location({-3, 9}, Plus8)), + tst({-3,9}, erl_anno:set_location({-3, 9}, Minus8)), + tst(-3, erl_anno:set_location(3, Minus8C)), + tst(-3, erl_anno:set_location(-3, Plus8C)), + tst(-3, erl_anno:set_location(-3, Minus8C)), + tst({-3,9}, erl_anno:set_location({3, 9}, Minus8C)), + tst({-3,9}, erl_anno:set_location({-3, 9}, Plus8C)), + tst({-3,9}, erl_anno:set_location({-3, 9}, Minus8C)), + + tst(-8, erl_anno:set_generated(true, Plus8)), + tst(-8, erl_anno:set_generated(true, Minus8)), + tst({-8,17}, erl_anno:set_generated(true, Plus8C)), + tst({-8,17}, erl_anno:set_generated(true, Minus8C)), + tst(8, erl_anno:set_generated(false, Plus8)), + tst(8, erl_anno:set_generated(false, Minus8)), + tst({8,17}, erl_anno:set_generated(false, Plus8C)), + tst({8,17}, erl_anno:set_generated(false, Minus8C)), + + tst(-3, erl_anno:set_line(3, Minus8)), + tst(-3, erl_anno:set_line(-3, Plus8)), + tst(-3, erl_anno:set_line(-3, Minus8)), + tst({-3,17}, erl_anno:set_line(3, Minus8C)), + tst({-3,17}, erl_anno:set_line(-3, Plus8C)), + tst({-3,17}, erl_anno:set_line(-3, Minus8C)), + ok. + +tst(Term, Anno) -> + ?format("Term: ~p\n", [Term]), + ?format("Anno: ~p\n", [Anno]), + case anno_to_term(Anno) of + Term -> + ok; + Else -> + case lists:keyfind(location, 1, Else) of + {location, Term} -> + ok; + _Else2 -> + ?format("Else2 ~p\n", [_Else2]), + io:format("expected ~p\n got ~p\n", [Term, Else]), + exit({Term, Else}) + end + end. + +parse_abstract(doc) -> + ["Test erl_parse:new_anno/1, erl_parse:anno_to_term/1" + ", and erl_parse:anno_from_term/1"]; +parse_abstract(_Config) -> + T = sample_term(), + A = erl_parse:abstract(T, [{line,17}]), + T1 = erl_parse:anno_to_term(A), + Abstr = erl_parse:new_anno(T1), + T = erl_parse:normalise(Abstr), + Abstr2 = erl_parse:anno_from_term(T1), + T = erl_parse:normalise(Abstr2), + ok. + +mapfold_anno(doc) -> + ["Test erl_parse:{map_anno/2,fold_anno/3, and mapfold_anno/3}"]; +mapfold_anno(_Config) -> + T = sample_term(), + Abstr = erl_parse:abstract(T), + CF = fun(Anno, {L, D}) -> + {erl_anno:new(L), {L+1, dict:store(L, Anno, D)}} + end, + {U, {N, D}} = erl_parse:mapfold_anno(CF, {1, dict:new()}, Abstr), + SeqA = erl_parse:fold_anno(fun(Anno, Acc) -> [Anno|Acc] end, [], U), + Seq = [erl_anno:location(A) || A <- SeqA], + Seq = lists:seq(N-1, 1, -1), + NF = fun(Anno) -> + L = erl_anno:location(Anno), + dict:fetch(L, D) + end, + Abstr = erl_parse:map_anno(NF, U), + ok. + +sample_term() -> + %% This is just a sample. + {3,a,4.0,"foo",<<"bar">>,#{a => <<19:64/unsigned-little>>}, + [1000,2000]}. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +test(StartLocation, Updates) -> + S0 = init(StartLocation), + A0 = erl_anno:new(StartLocation), + chk(S0, A0, []), + eval(Updates, S0, A0). + +eval([], _S0, _A0) -> + ok; +eval([{Item, Value}|Updates], S0, A0) -> + {S, A} = set(Item, Value, A0, S0, []), + eval(Updates, S, A); +eval([{Item, Value, Secondary}|Updates], S0, A0) -> + {S, A} = set(Item, Value, A0, S0, Secondary), + eval(Updates, S, A). + +init({Line, Column}) -> + lists:sort([{location, {Line, Column}} | default()]); +init(Line) when is_integer(Line) -> + lists:sort([{location, Line} | default()]). + +set(Item, Value, Anno0, State0, Secondary) -> + true = lists:member(Item, primary_items()), + ?format("Set '~w' to ~p\n", [Item, Value]), + State = set_value(Item, Value, State0), + Anno = anno_set(Item, Value, Anno0), + ?format("State0 ~p\n", [State0]), + ?format("State ~p\n", [State]), + ?format("Anno0 ~p\n", [anno_to_term(Anno0)]), + ?format("Anno ~p\n", [anno_to_term(Anno)]), + chk(State, Anno, Secondary), + ok = frame(Anno0, Anno, Secondary), + {State, Anno}. + +frame(OldAnno, NewAnno, Secondary) -> + SecItems = [I || {I, _} <- Secondary], + Frame = secondary_items() -- (SecItems ++ primary_items()), + ?format("Frame items ~p\n", [Frame]), + frame1(Frame, OldAnno, NewAnno). + +frame1([], _OldAnno, _NewAnno) -> + ok; +frame1([Item|Items], OldAnno, NewAnno) -> + V1 = anno_info(OldAnno, Item), + V2 = anno_info(NewAnno, Item), + ok = check_value(Item, V1, V2), + frame1(Items, OldAnno, NewAnno). + +chk(State, Anno, Secondary) -> + ok = check_simple(Anno), + ok = chk_primary(State, Anno), + ok = check_secondary(Secondary, State, Anno). + +chk_primary(State, Anno) -> + chk_primary(primary_items(), State, Anno). + +chk_primary([], _State, _Anno) -> + ok; +chk_primary([Item | Items], State, Anno) -> + V1 = primary_value(Item, State), + V2 = anno_info(Anno, Item), + ok = check_value(Item, V1, V2), + chk_primary(Items, State, Anno). + +check_secondary([], _State, _Anno) -> + ok; +check_secondary([{Item, _}=V1 | Secondary], State, Anno) -> + V2 = anno_info(Anno, Item), + case {V1, V2} of + {{Item, undefined}, undefined} -> + ok; + _ -> + ok = check_value(Item, V1, V2) + end, + check_secondary(Secondary, State, Anno). + +check_value(Item, V1, V2) -> + ?format("~w: V1 ~p\n", [Item, V1]), + ?format("~w: V2 ~p\n", [Item, V2]), + case V1 =:= V2 of + true -> + ok; + false -> + io:format("~w: expected ~p\n got ~p\n", [Item, V1, V2]), + exit({V1, V2}) + end. + +check_simple(Anno) -> + Term = anno_to_term(Anno), + case find_defaults(Term) of + [] -> + ok; + Ds -> + io:format("found default values ~w in ~p\n", [Ds, Anno]), + exit({defaults, Anno}) + end, + case check_simple1(Term) of + true -> + ok; + false -> + io:format("not simple ~p\n", [Anno]), + exit({not_simple, Anno}) + end. + +check_simple1(L) when is_integer(L) -> + true; +check_simple1({L, C}) when is_integer(L), is_integer(C) -> + true; +check_simple1(List) -> + case lists:sort(List) of + [{location, _}] -> + false; + _ -> + true + end. + +find_defaults(L) when is_list(L) -> + [I || + I <- default_items(), + {I1, Value} <- L, + I =:= I1, + Value =:= default_value(I)]; +find_defaults(_) -> + []. + +anno_to_term(Anno) -> + T = erl_anno:to_term(Anno), + maybe_sort(T). + +maybe_sort(L) when is_list(L) -> + lists:sort(L); +maybe_sort(T) -> + T. + +anno_set(file, Value, Anno) -> + erl_anno:set_file(Value, Anno); +anno_set(generated, Value, Anno) -> + erl_anno:set_generated(Value, Anno); +anno_set(line, Value, Anno) -> + erl_anno:set_line(Value, Anno); +anno_set(location, Value, Anno) -> + erl_anno:set_location(Value, Anno); +anno_set(record, Value, Anno) -> + erl_anno:set_record(Value, Anno); +anno_set(text, Value, Anno) -> + erl_anno:set_text(Value, Anno). + +anno_info(Anno, Item) -> + Value = + case Item of + column -> + erl_anno:column(Anno); + generated -> + erl_anno:generated(Anno); + end_location -> + erl_anno:end_location(Anno); + file -> + erl_anno:file(Anno); + length -> + case erl_anno:text(Anno) of + undefined -> + undefined; + Text -> + length(Text) + end; + line -> + erl_anno:line(Anno); + location -> + erl_anno:location(Anno); + record -> + erl_anno:record(Anno); + text -> + erl_anno:text(Anno); + _ -> + erlang:error(badarg, [Anno, Item]) + end, + if + Value =:= undefined -> + undefined; + true -> + {Item, Value} + end. + +%%% Originally 'location' was primary while 'line' and 'column' were +%%% secondary (their values are determined by 'location'). But since +%%% set_line() is used kind of frequently, 'line' is also primary, +%%% and 'location' secondary (depends on 'line'). 'line' need to be +%%% handled separately. + +set_value(line, Line, State) -> + {location, Location} = primary_value(location, State), + NewLocation = case Location of + {_, Column} -> + {Line, Column}; + _ -> + Line + end, + set_value(location, NewLocation, State); +set_value(Item, Value, State) -> + lists:ukeymerge(1, [{Item, Value}], State). + +primary_value(line, State) -> + {location, Location} = primary_value(location, State), + {line, case Location of + {Line, _} -> + Line; + Line -> + Line + end}; +primary_value(Item, State) -> + case lists:keyfind(Item, 1, State) of + false -> + undefined; + Tuple -> + Tuple + end. + +default() -> + [{Tag, default_value(Tag)} || Tag <- default_items()]. + +primary_items() -> + [file, generated, line, location, record, text]. + +secondary_items() -> + %% 'length' has not been implemented + [column, end_location, length, line, location]. + +default_items() -> + [generated, record]. + +default_value(generated) -> false; +default_value(record) -> false. diff --git a/lib/stdlib/test/erl_eval_SUITE.erl b/lib/stdlib/test/erl_eval_SUITE.erl index b55324161b..a750c5cace 100644 --- a/lib/stdlib/test/erl_eval_SUITE.erl +++ b/lib/stdlib/test/erl_eval_SUITE.erl @@ -1458,8 +1458,35 @@ eep43(Config) when is_list(Config) -> "lists:map(fun (X) -> X#{price := 0} end, [#{hello => 0, price => nil}]).", [#{hello => 0, price => 0}]), - error_check("[camembert]#{}.", {badarg,[camembert]}), + check(fun () -> + Map = #{ <<33:333>> => "wat" }, + #{ <<33:333>> := "wat" } = Map + end, + "begin " + " Map = #{ <<33:333>> => \"wat\" }, " + " #{ <<33:333>> := \"wat\" } = Map " + "end.", + #{ <<33:333>> => "wat" }), + check(fun () -> + K1 = 1, + K2 = <<42:301>>, + K3 = {3,K2}, + Map = #{ K1 => 1, K2 => 2, K3 => 3, {2,2} => 4}, + #{ K1 := 1, K2 := 2, K3 := 3, {2,2} := 4} = Map + end, + "begin " + " K1 = 1, " + " K2 = <<42:301>>, " + " K3 = {3,K2}, " + " Map = #{ K1 => 1, K2 => 2, K3 => 3, {2,2} => 4}, " + " #{ K1 := 1, K2 := 2, K3 := 3, {2,2} := 4} = Map " + "end.", + #{ 1 => 1, <<42:301>> => 2, {3,<<42:301>>} => 3, {2,2} => 4}), + error_check("[camembert]#{}.", {badmap,[camembert]}), + error_check("[camembert]#{nonexisting:=v}.", {badmap,[camembert]}), error_check("#{} = 1.", {badmatch,1}), + error_check("[]#{a=>error(bad)}.", bad), + error_check("(#{})#{nonexisting:=value}.", {badkey,nonexisting}), ok. %% Check the string in different contexts: as is; in fun; from compiled code. diff --git a/lib/stdlib/test/erl_internal_SUITE.erl b/lib/stdlib/test/erl_internal_SUITE.erl index b6b3c004ea..197a7a33eb 100644 --- a/lib/stdlib/test/erl_internal_SUITE.erl +++ b/lib/stdlib/test/erl_internal_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2011. All Rights Reserved. +%% Copyright Ericsson AB 1999-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -51,7 +51,7 @@ end_per_group(_GroupName, Config) -> -define(default_timeout, ?t:minutes(2)). init_per_testcase(_Case, Config) -> - ?line Dog = test_server:timetrap(?default_timeout), + Dog = test_server:timetrap(?default_timeout), [{watchdog, Dog}|Config]. end_per_testcase(_Case, Config) -> @@ -63,27 +63,50 @@ behav(suite) -> []; behav(doc) -> ["Check that the behaviour callbacks are correctly defined"]; behav(_) -> - ?line check_behav_list([{start,2}, {stop,1}], - application:behaviour_info(callbacks)), - ?line check_behav_list([{init,1}, {handle_call,3}, {handle_cast,2}, - {handle_info,2}, {terminate,2}, {code_change,3}], - gen_server:behaviour_info(callbacks)), - ?line check_behav_list([{init,1}, {handle_event,3}, {handle_sync_event,4}, - {handle_info,3}, {terminate,3}, {code_change,4}], - gen_fsm:behaviour_info(callbacks)), - ?line check_behav_list([{init,1}, {handle_event,2}, {handle_call,2}, - {handle_info,2}, {terminate,2}, {code_change,3}], - gen_event:behaviour_info(callbacks)), - ?line check_behav_list( [{init,1}, {terminate,2}], - supervisor_bridge:behaviour_info(callbacks)), - ?line check_behav_list([{init,1}], - supervisor:behaviour_info(callbacks)), - ok. + Modules = [application, gen_server, gen_fsm, gen_event, + supervisor_bridge, supervisor], + lists:foreach(fun check_behav/1, Modules). + +check_behav(Module) -> + Callbacks = callbacks(Module), + Optional = optional_callbacks(Module), + check_behav_list(Callbacks, Module:behaviour_info(callbacks)), + check_behav_list(Optional, Module:behaviour_info(optional_callbacks)). check_behav_list([], []) -> ok; check_behav_list([L | L1], L2) -> - ?line true = lists:member(L, L2), - ?line L3 = lists:delete(L, L2), + true = lists:member(L, L2), + L3 = lists:delete(L, L2), check_behav_list(L1, L3). - +callbacks(application) -> + [{start,2}, {stop,1}]; +callbacks(gen_server) -> + [{init,1}, {handle_call,3}, {handle_cast,2}, + {handle_info,2}, {terminate,2}, {code_change,3}, + {format_status,2}]; +callbacks(gen_fsm) -> + [{init,1}, {handle_event,3}, {handle_sync_event,4}, + {handle_info,3}, {terminate,3}, {code_change,4}, + {format_status,2}]; +callbacks(gen_event) -> + [{init,1}, {handle_event,2}, {handle_call,2}, + {handle_info,2}, {terminate,2}, {code_change,3}, + {format_status,2}]; +callbacks(supervisor_bridge) -> + [{init,1}, {terminate,2}]; +callbacks(supervisor) -> + [{init,1}]. + +optional_callbacks(application) -> + []; +optional_callbacks(gen_server) -> + [{format_status,2}]; +optional_callbacks(gen_fsm) -> + [{format_status,2}]; +optional_callbacks(gen_event) -> + [{format_status,2}]; +optional_callbacks(supervisor_bridge) -> + []; +optional_callbacks(supervisor) -> + []. diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl index ea61b2082b..c0d9b7c466 100644 --- a/lib/stdlib/test/erl_lint_SUITE.erl +++ b/lib/stdlib/test/erl_lint_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2014. All Rights Reserved. +%% Copyright Ericsson AB 1999-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -42,6 +42,7 @@ unused_vars_warn_rec/1, unused_vars_warn_fun/1, unused_vars_OTP_4858/1, + unused_unsafe_vars_warn/1, export_vars_warn/1, shadow_vars/1, unused_import/1, @@ -55,7 +56,7 @@ otp_11772/1, otp_11771/1, otp_11872/1, export_all/1, bif_clash/1, - behaviour_basic/1, behaviour_multiple/1, + behaviour_basic/1, behaviour_multiple/1, otp_11861/1, otp_7550/1, otp_8051/1, format_warn/1, @@ -63,7 +64,7 @@ too_many_arguments/1, basic_errors/1,bin_syntax_errors/1, predef/1, - maps/1,maps_type/1 + maps/1,maps_type/1,otp_11851/1,otp_12195/1 ]). % Default timetrap timeout (set in init_per_testcase). @@ -89,16 +90,16 @@ all() -> otp_5362, otp_5371, otp_7227, otp_5494, otp_5644, otp_5878, otp_5917, otp_6585, otp_6885, otp_10436, otp_11254, otp_11772, otp_11771, otp_11872, export_all, - bif_clash, behaviour_basic, behaviour_multiple, + bif_clash, behaviour_basic, behaviour_multiple, otp_11861, otp_7550, otp_8051, format_warn, {group, on_load}, too_many_arguments, basic_errors, bin_syntax_errors, predef, - maps, maps_type]. + maps, maps_type, otp_11851, otp_12195]. groups() -> [{unused_vars_warn, [], [unused_vars_warn_basic, unused_vars_warn_lc, unused_vars_warn_rec, unused_vars_warn_fun, - unused_vars_OTP_4858]}, + unused_vars_OTP_4858, unused_unsafe_vars_warn]}, {on_load, [], [on_load_successful, on_load_failing]}]. init_per_suite(Config) -> @@ -730,6 +731,48 @@ unused_vars_OTP_4858(Config) when is_list(Config) -> ?line [] = run(Config, Ts), ok. +unused_unsafe_vars_warn(Config) when is_list(Config) -> + Ts = [{unused_unsafe1, + <<"t1() -> + UnusedVar1 = unused1, + try + UnusedVar2 = unused2 + catch + _:_ -> + ok + end, + ok. + ">>, + [warn_unused_vars], + {warnings,[{2,erl_lint,{unused_var,'UnusedVar1'}}, + {4,erl_lint,{unused_var,'UnusedVar2'}}]}}, + {unused_unsafe2, + <<"t2() -> + try + X = 1 + catch + _:_ -> ok + end. + ">>, + [warn_unused_vars], + {warnings,[{3,erl_lint,{unused_var,'X'}}]}}, + {unused_unsafe2, + <<"t3(X, Y) -> + X andalso Y. + ">>, + [warn_unused_vars], + []}, + {unused_unsafe4, + <<"t4() -> + _ = (catch X = X = 1), + _ = case ok of _ -> fun() -> ok end end, + fun (X) -> X end. + ">>, + [warn_unused_vars], + []}], + run(Config, Ts), + ok. + export_vars_warn(doc) -> "Warnings for exported variables"; export_vars_warn(suite) -> []; @@ -808,7 +851,19 @@ export_vars_warn(Config) when is_list(Config) -> [], {error,[{9,erl_lint,{unbound_var,'B'}}], [{9,erl_lint,{exported_var,'Y',{'receive',2}}}, - {10,erl_lint,{shadowed_var,'B',generate}}]}} + {10,erl_lint,{shadowed_var,'B',generate}}]}}, + + {exp4, + <<"t(X) -> + if true -> Z = X end, + case X of + 1 -> Z; + 2 -> X + end, + Z = X. + ">>, + [], + {warnings,[{7,erl_lint,{exported_var,'Z',{'if',2}}}]}} ], ?line [] = run(Config, Ts), ok. @@ -832,8 +887,15 @@ shadow_vars(Config) when is_list(Config) -> ">>, [nowarn_shadow_vars], {error,[{9,erl_lint,{unbound_var,'B'}}], - [{9,erl_lint,{exported_var,'Y',{'receive',2}}}]}}], - + [{9,erl_lint,{exported_var,'Y',{'receive',2}}}]}}, + {shadow2, + <<"t() -> + _ = (catch MS = MS = 1), % MS used unsafe + _ = case ok of _ -> fun() -> ok end end, + fun (MS) -> MS end. % MS not shadowed here + ">>, + [], + []}], ?line [] = run(Config, Ts), ok. @@ -958,6 +1020,45 @@ unsafe_vars(Config) when is_list(Config) -> [warn_unused_vars], {errors,[{3,erl_lint,{unsafe_var,'X',{'if',2}}}, {4,erl_lint,{unsafe_var,'X',{'if',2}}}], + []}}, + {unsafe8, + <<"t8(X) -> + case X of _ -> catch _Y = 1 end, + _Y." + >>, + [], + {errors,[{3,erl_lint,{unsafe_var,'_Y',{'catch',2}}}], + []}}, + {unsafe9, + <<"t9(X) -> + case X of + 1 -> + catch A = 1, % unsafe only here + B = 1, + C = 1, + D = 1; + 2 -> + A = 2, + % B not bound here + C = 2, + catch D = 2; % unsafe in two clauses + 3 -> + A = 3, + B = 3, + C = 3, + catch D = 3; % unsafe in two clauses + 4 -> + A = 4, + B = 4, + C = 4, + D = 4 + end, + {A,B,C,D}." + >>, + [], + {errors,[{24,erl_lint,{unsafe_var,'A',{'catch',4}}}, + {24,erl_lint,{unsafe_var,'B',{'case',2}}}, + {24,erl_lint,{unsafe_var,'D',{'case',2}}}], []}} ], ?line [] = run(Config, Ts), @@ -2648,8 +2749,9 @@ otp_11872(Config) when is_list(Config) -> t() -> 1. ">>, - {error,[{6,erl_lint,{undefined_type,{product,0}}}], - [{8,erl_lint,{new_var_arity_type,map}}]} = + {error,[{6,erl_lint,{undefined_type,{product,0}}}, + {8,erl_lint,{undefined_type,{dict,0}}}], + [{8,erl_lint,{new_builtin_type,{map,0}}}]} = run_test2(Config, Ts, []), ok. @@ -3080,6 +3182,193 @@ behaviour_multiple(Config) when is_list(Config) -> ?line [] = run(Config, Ts), ok. +otp_11861(doc) -> + "OTP-11861. behaviour_info() and -callback."; +otp_11861(suite) -> []; +otp_11861(Conf) when is_list(Conf) -> + CallbackFiles = [callback1, callback2, callback3, + bad_behaviour1, bad_behaviour2], + lists:foreach(fun(M) -> + F = filename:join(?datadir, M), + Opts = [{outdir,?privdir}, return], + {ok, M, []} = compile:file(F, Opts) + end, CallbackFiles), + CodePath = code:get_path(), + true = code:add_path(?privdir), + Ts = [{otp_11861_1, + <<" + -export([b1/1]). + -behaviour(callback1). + -behaviour(callback2). + + -spec b1(atom()) -> integer(). + b1(A) when is_atom(A)-> + 3. + ">>, + [], + %% b2/1 is optional in both modules + {warnings,[{4,erl_lint, + {conflicting_behaviours,{b1,1},callback2,3,callback1}}]}}, + {otp_11861_2, + <<" + -export([b2/1]). + -behaviour(callback1). + -behaviour(callback2). + + -spec b2(integer()) -> atom(). + b2(I) when is_integer(I)-> + a. + ">>, + [], + %% b2/1 is optional in callback2, but not in callback1 + {warnings,[{3,erl_lint,{undefined_behaviour_func,{b1,1},callback1}}, + {4,erl_lint, + {conflicting_behaviours,{b2,1},callback2,3,callback1}}]}}, + {otp_11861_3, + <<" + -callback b(_) -> atom(). + -optional_callbacks({b1,1}). % non-existing and ignored + ">>, + [], + []}, + {otp_11861_4, + <<" + -callback b(_) -> atom(). + -optional_callbacks([{b1,1}]). % non-existing + ">>, + [], + %% No behaviour-info(), but callback. + {errors,[{3,erl_lint,{undefined_callback,{lint_test,b1,1}}}],[]}}, + {otp_11861_5, + <<" + -optional_callbacks([{b1,1}]). % non-existing + ">>, + [], + %% No behaviour-info() and no callback: warning anyway + {errors,[{2,erl_lint,{undefined_callback,{lint_test,b1,1}}}],[]}}, + {otp_11861_6, + <<" + -optional_callbacks([b1/1]). % non-existing + behaviour_info(callbacks) -> [{b1,1}]. + ">>, + [], + %% behaviour-info() and no callback: warning anyway + {errors,[{2,erl_lint,{undefined_callback,{lint_test,b1,1}}}],[]}}, + {otp_11861_7, + <<" + -optional_callbacks([b1/1]). % non-existing + -callback b(_) -> atom(). + behaviour_info(callbacks) -> [{b1,1}]. + ">>, + [], + %% behaviour-info() callback: warning + {errors,[{2,erl_lint,{undefined_callback,{lint_test,b1,1}}}, + {3,erl_lint,{behaviour_info,{lint_test,b,1}}}], + []}}, + {otp_11861_8, + <<" + -callback b(_) -> atom(). + -optional_callbacks([b/1, {b, 1}]). + ">>, + [], + {errors,[{3,erl_lint,{redefine_optional_callback,{b,1}}}],[]}}, + {otp_11861_9, + <<" + -behaviour(gen_server). + -export([handle_call/3,handle_cast/2,handle_info/2, + code_change/3, init/1, terminate/2]). + handle_call(_, _, _) -> ok. + handle_cast(_, _) -> ok. + handle_info(_, _) -> ok. + code_change(_, _, _) -> ok. + init(_) -> ok. + terminate(_, _) -> ok. + ">>, + [], + []}, + {otp_11861_9, + <<" + -behaviour(gen_server). + -export([handle_call/3,handle_cast/2,handle_info/2, + code_change/3, init/1, terminate/2, format_status/2]). + handle_call(_, _, _) -> ok. + handle_cast(_, _) -> ok. + handle_info(_, _) -> ok. + code_change(_, _, _) -> ok. + init(_) -> ok. + terminate(_, _) -> ok. + format_status(_, _) -> ok. % optional callback + ">>, + [], + %% Nothing... + []}, + {otp_11861_10, + <<" + -optional_callbacks([{b1,1,bad}]). % badly formed and ignored + behaviour_info(callbacks) -> [{b1,1}]. + ">>, + [], + []}, + {otp_11861_11, + <<" + -behaviour(bad_behaviour1). + ">>, + [], + {warnings,[{2,erl_lint, + {ill_defined_behaviour_callbacks,bad_behaviour1}}]}}, + {otp_11861_12, + <<" + -behaviour(non_existing_behaviour). + ">>, + [], + {warnings,[{2,erl_lint, + {undefined_behaviour,non_existing_behaviour}}]}}, + {otp_11861_13, + <<" + -behaviour(bad_behaviour_none). + ">>, + [], + {warnings,[{2,erl_lint,{undefined_behaviour,bad_behaviour_none}}]}}, + {otp_11861_14, + <<" + -callback b(_) -> atom(). + ">>, + [], + []}, + {otp_11861_15, + <<" + -optional_callbacks([{b1,1,bad}]). % badly formed + -callback b(_) -> atom(). + ">>, + [], + []}, + {otp_11861_16, + <<" + -callback b(_) -> atom(). + -callback b(_) -> atom(). + ">>, + [], + {errors,[{3,erl_lint,{redefine_callback,{b,1}}}],[]}}, + {otp_11861_17, + <<" + -behaviour(bad_behaviour2). + ">>, + [], + {warnings,[{2,erl_lint,{undefined_behaviour_callbacks, + bad_behaviour2}}]}}, + {otp_11861_18, + <<" + -export([f1/1]). + -behaviour(callback3). + f1(_) -> ok. + ">>, + [], + []} + ], + ?line [] = run(Conf, Ts), + true = code:set_path(CodePath), + ok. + otp_7550(doc) -> "Test that the new utf8/utf16/utf32 types do not allow size or unit specifiers."; otp_7550(Config) when is_list(Config) -> @@ -3145,8 +3434,8 @@ format_warn(Config) when is_list(Config) -> ok. format_level(Level, Count, Config) -> - ?line W = get_compilation_warnings(Config, "format", - [{warn_format, Level}]), + ?line W = get_compilation_result(Config, "format", + [{warn_format, Level}]), %% Pick out the 'format' warnings. ?line FW = lists:filter(fun({_Line, erl_lint, {format_error, _}}) -> true; (_) -> false @@ -3330,42 +3619,22 @@ bin_syntax_errors(Config) -> ok. predef(doc) -> - "OTP-10342: Predefined types: array(), digraph(), and so on"; + "OTP-10342: No longer predefined types: array(), digraph(), and so on"; predef(suite) -> []; predef(Config) when is_list(Config) -> - W = get_compilation_warnings(Config, "predef", []), + W = get_compilation_result(Config, "predef", []), [] = W, - W2 = get_compilation_warnings(Config, "predef2", []), - Tag = deprecated_builtin_type, - [{7,erl_lint,{Tag,{array,0},{array,array,1},"OTP 18.0"}}, - {12,erl_lint,{Tag,{dict,0},{dict,dict,2},"OTP 18.0"}}, - {17,erl_lint,{Tag,{digraph,0},{digraph,graph},"OTP 18.0"}}, - {27,erl_lint,{Tag,{gb_set,0},{gb_sets,set,1},"OTP 18.0"}}, - {32,erl_lint,{Tag,{gb_tree,0},{gb_trees,tree,2},"OTP 18.0"}}, - {37,erl_lint,{Tag,{queue,0},{queue,queue,1},"OTP 18.0"}}, - {42,erl_lint,{Tag,{set,0},{sets,set,1},"OTP 18.0"}}, - {47,erl_lint,{Tag,{tid,0},{ets,tid},"OTP 18.0"}}] = W2, - Ts = [{otp_10342_1, - <<"-compile(nowarn_deprecated_type). - - -spec t(dict()) -> non_neg_integer(). - - t(D) -> - erlang:phash2(D, 3000). - ">>, - {[nowarn_unused_function]}, - []}, - {otp_10342_2, - <<"-spec t(dict()) -> non_neg_integer(). - - t(D) -> - erlang:phash2(D, 3000). - ">>, - {[nowarn_unused_function]}, - {warnings,[{1,erl_lint, - {deprecated_builtin_type,{dict,0},{dict,dict,2}, - "OTP 18.0"}}]}}], - [] = run(Config, Ts), + %% dict(), digraph() and so on were removed in Erlang/OTP 18.0. + E2 = get_compilation_result(Config, "predef2", []), + Tag = undefined_type, + {[{7,erl_lint,{Tag,{array,0}}}, + {12,erl_lint,{Tag,{dict,0}}}, + {17,erl_lint,{Tag,{digraph,0}}}, + {27,erl_lint,{Tag,{gb_set,0}}}, + {32,erl_lint,{Tag,{gb_tree,0}}}, + {37,erl_lint,{Tag,{queue,0}}}, + {42,erl_lint,{Tag,{set,0}}}, + {47,erl_lint,{Tag,{tid,0}}}],[]} = E2, ok. maps(Config) -> @@ -3398,7 +3667,8 @@ maps(Config) -> g := 1 + 1, h := _, i := (_X = _Y), - j := (x ! y) }) -> + j := (x ! y), + <<0:300>> := 33}) -> {A,F}. ">>, [], @@ -3411,9 +3681,10 @@ maps(Config) -> {errors,[{1,erl_lint,illegal_map_construction}, {1,erl_lint,{unbound_var,'X'}}], []}}, - {errors_in_map_keys, + {legal_map_construction, <<"t(V) -> #{ a => 1, #{a=>V} => 2, + #{{a,V}=>V} => 2, #{ \"hi\" => wazzup, hi => ho } => yep, [try a catch _:_ -> b end] => nope, ok => 1.0, @@ -3425,11 +3696,7 @@ maps(Config) -> }. ">>, [], - {errors,[{2,erl_lint,{illegal_map_key_variable,'V'}}, - {4,erl_lint,illegal_map_key}, - {6,erl_lint,illegal_map_key}, - {8,erl_lint,illegal_map_key}, - {10,erl_lint,illegal_map_key}],[]}}, + []}, {errors_in_map_keys_pattern, <<"t(#{ a := 2, #{} := A, @@ -3440,8 +3707,14 @@ maps(Config) -> A. ">>, [], - {errors,[{4,erl_lint,illegal_map_key}, - {6,erl_lint,{illegal_map_key_variable,'V'}}],[]}}], + {errors,[{4,erl_lint,illegal_map_construction}, + {6,erl_lint,illegal_map_key}],[]}}, + {unused_vars_with_empty_maps, + <<"t(Foo, Bar, Baz) -> {#{},#{}}.">>, + [warn_unused_variables], + {warnings,[{1,erl_lint,{unused_var,'Bar'}}, + {1,erl_lint,{unused_var,'Baz'}}, + {1,erl_lint,{unused_var,'Foo'}}]}}], [] = run(Config, Ts), ok. @@ -3470,7 +3743,128 @@ maps_type(Config) when is_list(Config) -> t(M) -> M. ">>, [], - {warnings,[{3,erl_lint,{new_var_arity_type,map}}]}}], + {warnings,[{3,erl_lint,{new_builtin_type,{map,0}}}]}}], + [] = run(Config, Ts), + ok. + +otp_11851(doc) -> + "OTP-11851: More atoms can be used as type names + bug fixes."; +otp_11851(Config) when is_list(Config) -> + Ts = [ + {otp_11851_1, + <<"-export([t/0]). + -type range(A, B) :: A | B. + + -type union(A) :: A. + + -type product() :: integer(). + + -type tuple(A) :: A. + + -type map(A) :: A. + + -type record() :: a | b. + + -type integer(A) :: A. + + -type atom(A) :: A. + + -type binary(A, B) :: A | B. + + -type 'fun'() :: integer(). + + -type 'fun'(X) :: X. + + -type 'fun'(X, Y) :: X | Y. + + -type all() :: range(atom(), integer()) | union(pid()) | product() + | tuple(reference()) | map(function()) | record() + | integer(atom()) | atom(integer()) + | binary(pid(), tuple()) | 'fun'(port()) + | 'fun'() | 'fun'(<<>>, 'none'). + + -spec t() -> all(). + + t() -> + a. + ">>, + [], + []}, + {otp_11851_2, + <<"-export([a/1, b/1, t/0]). + + -callback b(_) -> integer(). + + -callback ?MODULE:a(_) -> integer(). + + a(_) -> 3. + + b(_) -> a. + + t()-> a. + ">>, + [], + {errors,[{5,erl_lint,{bad_callback,{lint_test,a,1}}}],[]}}, + {otp_11851_3, + <<"-export([a/1]). + + -spec a(_A) -> boolean() when + _ :: atom(), + _A :: integer(). + + a(_) -> true. + ">>, + [], + {errors,[{4,erl_parse,"bad type variable"}],[]}}, + {otp_11851_4, + <<" + -spec a(_) -> ok. + -spec a(_) -> ok. + + -spec ?MODULE:a(_) -> ok. + -spec ?MODULE:a(_) -> ok. + ">>, + [], + {errors,[{3,erl_lint,{redefine_spec,{a,1}}}, + {5,erl_lint,{redefine_spec,{lint_test,a,1}}}, + {6,erl_lint,{redefine_spec,{lint_test,a,1}}}, + {6,erl_lint,{spec_fun_undefined,{a,1}}}], + []}} + ], + [] = run(Config, Ts), + ok. + +otp_12195(doc) -> + "OTP-12195: Check obsolete types (tailor made for OTP 18)."; +otp_12195(Config) when is_list(Config) -> + Ts = [{otp_12195_1, + <<"-export_type([r1/0]). + -type r1() :: erl_scan:line() + | erl_scan:column() + | erl_scan:location() + | erl_anno:line().">>, + [], + {warnings,[{2,erl_lint, + {deprecated_type,{erl_scan,line,0}, + "deprecated (will be removed in OTP 19); " + "use erl_anno:line() instead"}}, + {3,erl_lint, + {deprecated_type,{erl_scan,column,0}, + "deprecated (will be removed in OTP 19); use " + "erl_anno:column() instead"}}, + {4,erl_lint, + {deprecated_type,{erl_scan,location,0}, + "deprecated (will be removed in OTP 19); " + "use erl_anno:location() instead"}}]}}, + {otp_12195_2, + <<"-export_type([r1/0]). + -compile(nowarn_deprecated_type). + -type r1() :: erl_scan:line() + | erl_scan:column() + | erl_scan:location() + | erl_anno:line().">>, + [], + []}], [] = run(Config, Ts), ok. @@ -3487,9 +3881,9 @@ run(Config, Tests) -> end, lists:foldl(F, [], Tests). -%% Compiles a test file and returns the list of warnings. +%% Compiles a test file and returns the list of warnings/errors. -get_compilation_warnings(Conf, Filename, Warnings) -> +get_compilation_result(Conf, Filename, Warnings) -> ?line DataDir = ?datadir, ?line File = filename:join(DataDir, Filename), {ok,Bin} = file:read_file(File++".erl"), @@ -3498,6 +3892,7 @@ get_compilation_warnings(Conf, Filename, Warnings) -> Test = lists:nthtail(Start+Length, FileS), case run_test(Conf, Test, Warnings) of {warnings, Ws} -> Ws; + {errors,Es,Ws} -> {Es,Ws}; [] -> [] end. diff --git a/lib/stdlib/test/erl_lint_SUITE_data/bad_behaviour1.erl b/lib/stdlib/test/erl_lint_SUITE_data/bad_behaviour1.erl new file mode 100644 index 0000000000..230f4b4519 --- /dev/null +++ b/lib/stdlib/test/erl_lint_SUITE_data/bad_behaviour1.erl @@ -0,0 +1,6 @@ +-module(bad_behaviour1). + +-export([behaviour_info/1]). + +behaviour_info(callbacks) -> + [{a,1,bad}]. diff --git a/lib/stdlib/test/erl_lint_SUITE_data/bad_behaviour2.erl b/lib/stdlib/test/erl_lint_SUITE_data/bad_behaviour2.erl new file mode 100644 index 0000000000..bb755ce18b --- /dev/null +++ b/lib/stdlib/test/erl_lint_SUITE_data/bad_behaviour2.erl @@ -0,0 +1,6 @@ +-module(bad_behaviour2). + +-export([behaviour_info/1]). + +behaviour_info(callbacks) -> + undefined. diff --git a/lib/stdlib/test/erl_lint_SUITE_data/callback1.erl b/lib/stdlib/test/erl_lint_SUITE_data/callback1.erl new file mode 100644 index 0000000000..3cc5b51879 --- /dev/null +++ b/lib/stdlib/test/erl_lint_SUITE_data/callback1.erl @@ -0,0 +1,6 @@ +-module(callback1). + +-callback b1(I :: integer()) -> atom(). +-callback b2(A :: atom()) -> integer(). + +-optional_callbacks([{b2,1}]). diff --git a/lib/stdlib/test/erl_lint_SUITE_data/callback2.erl b/lib/stdlib/test/erl_lint_SUITE_data/callback2.erl new file mode 100644 index 0000000000..211cf9f115 --- /dev/null +++ b/lib/stdlib/test/erl_lint_SUITE_data/callback2.erl @@ -0,0 +1,6 @@ +-module(callback2). + +-callback b1(I :: integer()) -> atom(). +-callback b2(A :: atom()) -> integer(). + +-optional_callbacks([b1/1, b2/1]). diff --git a/lib/stdlib/test/erl_lint_SUITE_data/callback3.erl b/lib/stdlib/test/erl_lint_SUITE_data/callback3.erl new file mode 100644 index 0000000000..97b3ecb860 --- /dev/null +++ b/lib/stdlib/test/erl_lint_SUITE_data/callback3.erl @@ -0,0 +1,8 @@ +-module(callback3). + +-export([behaviour_info/1]). + +behaviour_info(callbacks) -> + [{f1, 1}]; +behaviour_info(_) -> + undefined. diff --git a/lib/stdlib/test/erl_lint_SUITE_data/predef.erl b/lib/stdlib/test/erl_lint_SUITE_data/predef.erl index ee9073aa67..3cb7bf40f1 100644 --- a/lib/stdlib/test/erl_lint_SUITE_data/predef.erl +++ b/lib/stdlib/test/erl_lint_SUITE_data/predef.erl @@ -5,8 +5,8 @@ -export_type([array/0, digraph/0, gb_set/0]). -%% Before Erlang/OTP 17.0 local re-definitions of pre-defined opaque -%% types were ignored but did not generate any warning. +%% Since Erlang/OTP 18.0 array() and so on are no longer pre-defined, +%% so there is nothing special about them at all. -opaque array() :: atom(). -opaque digraph() :: atom(). -opaque gb_set() :: atom(). diff --git a/lib/stdlib/test/erl_pp_SUITE.erl b/lib/stdlib/test/erl_pp_SUITE.erl index 927fe0b595..1d63c8e17e 100644 --- a/lib/stdlib/test/erl_pp_SUITE.erl +++ b/lib/stdlib/test/erl_pp_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2013. All Rights Reserved. +%% Copyright Ericsson AB 2006-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -42,7 +42,6 @@ -export([ func/1, call/1, recs/1, try_catch/1, if_then/1, receive_after/1, bits/1, head_tail/1, cond1/1, block/1, case1/1, ops/1, messages/1, - old_mnemosyne_syntax/1, import_export/1, misc_attrs/1, dialyzer_attrs/1, hook/1, neg_indent/1, @@ -50,7 +49,7 @@ otp_6321/1, otp_6911/1, otp_6914/1, otp_8150/1, otp_8238/1, otp_8473/1, otp_8522/1, otp_8567/1, otp_8664/1, otp_9147/1, - otp_10302/1, otp_10820/1, otp_11100/1]). + otp_10302/1, otp_10820/1, otp_11100/1, otp_11861/1]). %% Internal export. -export([ehook/6]). @@ -77,13 +76,13 @@ groups() -> [{expr, [], [func, call, recs, try_catch, if_then, receive_after, bits, head_tail, cond1, block, case1, ops, - messages, old_mnemosyne_syntax, maps_syntax + messages, maps_syntax ]}, {attributes, [], [misc_attrs, import_export, dialyzer_attrs]}, {tickets, [], [otp_6321, otp_6911, otp_6914, otp_8150, otp_8238, otp_8473, otp_8522, otp_8567, otp_8664, otp_9147, - otp_10302, otp_10820, otp_11100]}]. + otp_10302, otp_10820, otp_11100, otp_11861]}]. init_per_suite(Config) -> Config. @@ -491,7 +490,7 @@ cond1(Config) when is_list(Config) -> [{cons,3,{atom,3,a},{cons,3,{atom,3,b},{nil,3}}}]}, {clause,4,[],[[{atom,4,true}]], [{tuple,5,[{atom,5,x},{atom,5,y}]}]}]}, - ?line CChars = lists:flatten(erl_pp:expr(C)), + CChars = flat_expr1(C), % ?line "cond {foo,bar} -> [a,b]; true -> {x,y} end" = CChars, ?line "cond\n" " {foo,bar} ->\n" @@ -558,30 +557,9 @@ messages(Config) when is_list(Config) -> lists:flatten(erl_pp:form({error,{some,"error"}})), ?line true = "{warning,{some,\"warning\"}}\n" =:= lists:flatten(erl_pp:form({warning,{some,"warning"}})), - ?line true = "\n" =:= lists:flatten(erl_pp:form({eof,0})), + "\n" = flat_form({eof,0}), ok. -old_mnemosyne_syntax(Config) when is_list(Config) -> - %% Since we have kept the ':-' token, - %% better test that we can pretty print it. - R = {rule,12,sales,2, - [{clause,12, - [{var,12,'E'},{atom,12,employee}], - [], - [{generate,13, - {var,13,'E'}, - {call,13,{atom,13,table},[{atom,13,employee}]}}, - {match,14, - {record_field,14,{var,14,'E'},{atom,14,salary}}, - {atom,14,sales}}]}]}, - ?line "sales(E, employee) :-\n" - " E <- table(employee),\n" - " E.salary = sales.\n" = - lists:flatten(erl_pp:form(R)), - ok. - - - import_export(suite) -> []; import_export(Config) when is_list(Config) -> @@ -638,59 +616,41 @@ hook(Config) when is_list(Config) -> do_hook(HookFun) -> Lc = parse_expr(binary_to_list(<<"[X || X <- [1,2,3]].">>)), H = HookFun(fun hook/4), - Expr = {call,0,{atom,0,fff},[{foo,Lc},{foo,Lc},{foo,Lc}]}, + A0 = erl_anno:new(0), + Expr = {call,A0,{atom,A0,fff},[{foo,Lc},{foo,Lc},{foo,Lc}]}, EChars = lists:flatten(erl_pp:expr(Expr, 0, H)), - Call = {call,0,{atom,0,foo},[Lc]}, - Expr2 = {call,0,{atom,0,fff},[Call,Call,Call]}, + Call = {call,A0,{atom,A0,foo},[Lc]}, + Expr2 = {call,A0,{atom,A0,fff},[Call,Call,Call]}, EChars2 = erl_pp:exprs([Expr2]), ?line true = EChars =:= lists:flatten(EChars2), EsChars = erl_pp:exprs([Expr], H), ?line true = EChars =:= lists:flatten(EsChars), - F = {function,1,ffff,0,[{clause,1,[],[],[Expr]}]}, + A1 = erl_anno:new(1), + F = {function,A1,ffff,0,[{clause,A1,[],[],[Expr]}]}, FuncChars = lists:flatten(erl_pp:function(F, H)), - F2 = {function,1,ffff,0,[{clause,1,[],[],[Expr2]}]}, + F2 = {function,A1,ffff,0,[{clause,A1,[],[],[Expr2]}]}, FuncChars2 = erl_pp:function(F2), ?line true = FuncChars =:= lists:flatten(FuncChars2), FFormChars = erl_pp:form(F, H), ?line true = FuncChars =:= lists:flatten(FFormChars), - A = {attribute,1,record,{r,[{record_field,1,{atom,1,a},Expr}]}}, + A = {attribute,A1,record,{r,[{record_field,A1,{atom,A1,a},Expr}]}}, AChars = lists:flatten(erl_pp:attribute(A, H)), - A2 = {attribute,1,record,{r,[{record_field,1,{atom,1,a},Expr2}]}}, + A2 = {attribute,A1,record,{r,[{record_field,A1,{atom,A1,a},Expr2}]}}, AChars2 = erl_pp:attribute(A2), ?line true = AChars =:= lists:flatten(AChars2), AFormChars = erl_pp:form(A, H), ?line true = AChars =:= lists:flatten(AFormChars), - R = {rule,0,sales,0, - [{clause,0,[{var,0,'E'},{atom,0,employee}],[], - [{generate,2,{var,2,'E'}, - {call,2,{atom,2,table},[{atom,2,employee}]}}, - {match,3, - {record_field,3,{var,3,'E'},{atom,3,salary}}, - {foo,Expr}}]}]}, - RChars = lists:flatten(erl_pp:rule(R, H)), - R2 = {rule,0,sales,0, - [{clause,0,[{var,0,'E'},{atom,0,employee}],[], - [{generate,2,{var,2,'E'}, - {call,2,{atom,2,table},[{atom,2,employee}]}}, - {match,3, - {record_field,3,{var,3,'E'},{atom,3,salary}}, - {call,0,{atom,0,foo},[Expr2]}}]}]}, - RChars2 = erl_pp:rule(R2), - ?line true = RChars =:= lists:flatten(RChars2), - ARChars = erl_pp:form(R, H), - ?line true = RChars =:= lists:flatten(ARChars), - ?line "INVALID-FORM:{foo,bar}:" = lists:flatten(erl_pp:expr({foo,bar})), %% A list (as before R6), not a list of lists. - G = [{op,1,'>',{atom,1,a},{foo,{atom,1,b}}}], % not a proper guard + G = [{op,A1,'>',{atom,A1,a},{foo,{atom,A1,b}}}], % not a proper guard GChars = lists:flatten(erl_pp:guard(G, H)), - G2 = [{op,1,'>',{atom,1,a}, - {call,0,{atom,0,foo},[{atom,1,b}]}}], % not a proper guard + G2 = [{op,A1,'>',{atom,A1,a}, + {call,A0,{atom,A0,foo},[{atom,A1,b}]}}], % not a proper guard GChars2 = erl_pp:guard(G2), ?line true = GChars =:= lists:flatten(GChars2), @@ -701,14 +661,14 @@ do_hook(HookFun) -> ?line true = EChars =:= lists:flatten(XEChars2), %% Note: no leading spaces before "begin". - Block = {block,0,[{match,0,{var,0,'A'},{integer,0,3}}, - {atom,0,true}]}, + Block = {block,A0,[{match,A0,{var,A0,'A'},{integer,A0,3}}, + {atom,A0,true}]}, ?line "begin\n A =" ++ _ = lists:flatten(erl_pp:expr(Block, 17, none)), %% Special... ?line true = - "{some,value}" =:= lists:flatten(erl_pp:expr({value,0,{some,value}})), + "{some,value}" =:= lists:flatten(erl_pp:expr({value,A0,{some,value}})), %% Silly... ?line true = @@ -716,8 +676,8 @@ do_hook(HookFun) -> flat_expr({'if',0,[{clause,0,[],[],[{atom,0,0}]}]}), %% More compatibility: before R6 - OldIf = {'if',0,[{clause,0,[],[{atom,0,true}],[{atom,0,b}]}]}, - NewIf = {'if',0,[{clause,0,[],[[{atom,0,true}]],[{atom,0,b}]}]}, + OldIf = {'if',A0,[{clause,A0,[],[{atom,A0,true}],[{atom,A0,b}]}]}, + NewIf = {'if',A0,[{clause,A0,[],[[{atom,A0,true}]],[{atom,A0,b}]}]}, OldIfChars = lists:flatten(erl_pp:expr(OldIf)), NewIfChars = lists:flatten(erl_pp:expr(NewIf)), ?line true = OldIfChars =:= NewIfChars, @@ -733,7 +693,8 @@ ehook(HE, I, P, H, foo, bar) -> hook(HE, I, P, H). hook({foo,E}, I, P, H) -> - erl_pp:expr({call,0,{atom,0,foo},[E]}, I, P, H). + A = erl_anno:new(0), + erl_pp:expr({call,A,{atom,A,foo},[E]}, I, P, H). neg_indent(suite) -> []; @@ -816,7 +777,7 @@ otp_6911(Config) when is_list(Config) -> {var,6,'X'}, [{clause,7,[{atom,7,true}],[],[{integer,7,12}]}, {clause,8,[{atom,8,false}],[],[{integer,8,14}]}]}]}]}, - ?line Chars = lists:flatten(erl_pp:form(F)), + Chars = flat_form(F), ?line "thomas(X) ->\n" " case X of\n" " true ->\n" @@ -874,6 +835,7 @@ type_examples() -> {ex3,<<"-type paren() :: (ann2()). ">>}, {ex4,<<"-type t1() :: atom(). ">>}, {ex5,<<"-type t2() :: [t1()]. ">>}, + {ex56,<<"-type integer(A) :: A. ">>}, {ex6,<<"-type t3(Atom) :: integer(Atom). ">>}, {ex7,<<"-type '\\'t::4'() :: t3('\\'foobar'). ">>}, {ex8,<<"-type t5() :: {t1(), t3(foo)}. ">>}, @@ -1125,10 +1087,11 @@ otp_10302(Config) when is_list(Config) -> Opts = [{hook, fun unicode_hook/4},{encoding,unicode}], Lc = parse_expr("[X || X <- [\"\x{400}\",\"\xFF\"]]."), - Expr = {call,0,{atom,0,fff},[{foo,{foo,Lc}},{foo,{foo,Lc}}]}, + A0 = erl_anno:new(0), + Expr = {call,A0,{atom,A0,fff},[{foo,{foo,Lc}},{foo,{foo,Lc}}]}, EChars = lists:flatten(erl_pp:expr(Expr, 0, Opts)), - Call = {call,0,{atom,0,foo},[{call,0,{atom,0,foo},[Lc]}]}, - Expr2 = {call,0,{atom,0,fff},[Call,Call]}, + Call = {call,A0,{atom,A0,foo},[{call,A0,{atom,A0,foo},[Lc]}]}, + Expr2 = {call,A0,{atom,A0,fff},[Call,Call]}, EChars2 = erl_pp:exprs([Expr2], U), EChars = lists:flatten(EChars2), [$\x{400},$\x{400}] = [C || C <- EChars, C > 255], @@ -1138,7 +1101,8 @@ otp_10302(Config) when is_list(Config) -> ok. unicode_hook({foo,E}, I, P, H) -> - erl_pp:expr({call,0,{atom,0,foo},[E]}, I, P, H). + A = erl_anno:new(0), + erl_pp:expr({call,A,{atom,A,foo},[E]}, I, P, H). otp_10820(doc) -> "OTP-10820. Unicode filenames."; @@ -1178,34 +1142,45 @@ otp_11100(Config) when is_list(Config) -> %% Cannot trigger the use of the hook function with export/import. "-export([{fy,a}/b]).\n" = pf({attribute,1,export,[{{fy,a},b}]}), + A1 = erl_anno:new(1), "-type foo() :: integer(INVALID-FORM:{foo,bar}:).\n" = - pf({attribute,1,type,{foo,{type,1,integer,[{foo,bar}]},[]}}), - pf({attribute,1,type, - {a,{type,1,range,[{integer,1,1},{foo,bar}]},[]}}), + pf({attribute,A1,type,{foo,{type,A1,integer,[{foo,bar}]},[]}}), + pf({attribute,A1,type, + {a,{type,A1,range,[{integer,A1,1},{foo,bar}]},[]}}), "-type foo(INVALID-FORM:{foo,bar}:) :: A.\n" = - pf({attribute,1,type,{foo,{var,1,'A'},[{foo,bar}]}}), + pf({attribute,A1,type,{foo,{var,A1,'A'},[{foo,bar}]}}), "-type foo() :: (INVALID-FORM:{foo,bar}: :: []).\n" = - pf({attribute,1,type, - {foo,{paren_type,1, - [{ann_type,1,[{foo,bar},{type,1,nil,[]}]}]}, + pf({attribute,A1,type, + {foo,{paren_type,A1, + [{ann_type,A1,[{foo,bar},{type,A1,nil,[]}]}]}, []}}), "-type foo() :: <<_:INVALID-FORM:{foo,bar}:>>.\n" = - pf({attribute,1,type, - {foo,{type,1,binary,[{foo,bar},{integer,1,0}]},[]}}), + pf({attribute,A1,type, + {foo,{type,A1,binary,[{foo,bar},{integer,A1,0}]},[]}}), "-type foo() :: <<_:10, _:_*INVALID-FORM:{foo,bar}:>>.\n" = - pf({attribute,1,type, - {foo,{type,1,binary,[{integer,1,10},{foo,bar}]},[]}}), + pf({attribute,A1,type, + {foo,{type,A1,binary,[{integer,A1,10},{foo,bar}]},[]}}), "-type foo() :: #r{INVALID-FORM:{foo,bar}: :: integer()}.\n" = - pf({attribute,1,type, - {foo,{type,1,record, - [{atom,1,r}, - {type,1,field_type, - [{foo,bar},{type,1,integer,[]}]}]}, + pf({attribute,A1,type, + {foo,{type,A1,record, + [{atom,A1,r}, + {type,A1,field_type, + [{foo,bar},{type,A1,integer,[]}]}]}, []}}), ok. +otp_11861(doc) -> + "OTP-11861. behaviour_info() and -callback."; +otp_11861(suite) -> []; +otp_11861(Config) when is_list(Config) -> + "-optional_callbacks([bar/0]).\n" = + pf({attribute,3,optional_callbacks,[{bar,0}]}), + "-optional_callbacks([{bar,1,bad}]).\n" = + pf({attribute,4,optional_callbacks,[{bar,1,bad}]}), + ok. + pf(Form) -> - lists:flatten(erl_pp:form(Form,none)). + lists:flatten(erl_pp:form(Form, none)). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -1270,9 +1245,18 @@ strip_module_info(Bin) -> <<R:Start/binary,_/binary>> = Bin, R. -flat_expr(Expr) -> +flat_expr1(Expr0) -> + Expr = erl_parse:new_anno(Expr0), + lists:flatten(erl_pp:expr(Expr)). + +flat_expr(Expr0) -> + Expr = erl_parse:new_anno(Expr0), lists:flatten(erl_pp:expr(Expr, -1, none)). +flat_form(Form0) -> + Form = erl_parse:new_anno(Form0), + lists:flatten(erl_pp:form(Form)). + pp_forms(Bin) -> pp_forms(Bin, none). diff --git a/lib/stdlib/test/erl_scan_SUITE.erl b/lib/stdlib/test/erl_scan_SUITE.erl index 9be9f641c8..fb85055b6c 100644 --- a/lib/stdlib/test/erl_scan_SUITE.erl +++ b/lib/stdlib/test/erl_scan_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2014. All Rights Reserved. +%% Copyright Ericsson AB 1998-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -138,7 +138,7 @@ iso88591(Config) when is_list(Config) -> A1s = [$h,$ä,$r], A2s = [$ö,$r,$e], %% Test parsing atom and variable characters. - {ok,Ts1,_} = erl_scan:string(V1s ++ " " ++ V2s ++ + {ok,Ts1,_} = erl_scan_string(V1s ++ " " ++ V2s ++ "\327" ++ A1s ++ " " ++ A2s), V1s = atom_to_list(element(3, nth(1, Ts1))), @@ -151,7 +151,7 @@ iso88591(Config) when is_list(Config) -> %% Test parsing and printing strings. S1 = V1s ++ "\327" ++ A1s ++ "\250" ++ A2s, S1s = "\"" ++ S1 ++ "\"", - {ok,Ts2,_} = erl_scan:string(S1s), + {ok,Ts2,_} = erl_scan_string(S1s), S1 = element(3, nth(1, Ts2)), S1s = flatten(print(element(3, nth(1, Ts2)))), ok %It all worked @@ -219,14 +219,14 @@ atoms() -> test_string([39,65,200,39], [{atom,{1,1},'AÈ'}]), test_string("ärlig östen", [{atom,{1,1},ärlig},{atom,{1,7},östen}]), ?line {ok,[{atom,_,'$a'}],{1,6}} = - erl_scan:string("'$\\a'", {1,1}), + erl_scan_string("'$\\a'", {1,1}), ?line test("'$\\a'"), ok. punctuations() -> L = ["<<", "<-", "<=", "<", ">>", ">=", ">", "->", "--", "-", "++", "+", "=:=", "=/=", "=<", "=>", "==", "=", "/=", - "/", "||", "|", ":=", ":-", "::", ":"], + "/", "||", "|", ":=", "::", ":"], %% One token at a time: [begin W = list_to_atom(S), @@ -268,24 +268,24 @@ punctuations() -> comments() -> ?line test("a %%\n b"), - ?line {ok,[],1} = erl_scan:string("%"), + {ok,[],1} = erl_scan_string("%"), ?line test("a %%\n b"), {ok,[{atom,{1,1},a},{atom,{2,2},b}],{2,3}} = - erl_scan:string("a %%\n b",{1,1}), + erl_scan_string("a %%\n b", {1,1}), {ok,[{atom,{1,1},a},{comment,{1,3},"%%"},{atom,{2,2},b}],{2,3}} = - erl_scan:string("a %%\n b",{1,1}, [return_comments]), + erl_scan_string("a %%\n b",{1,1}, [return_comments]), {ok,[{atom,{1,1},a}, {white_space,{1,2}," "}, {white_space,{1,5},"\n "}, {atom,{2,2},b}], {2,3}} = - erl_scan:string("a %%\n b",{1,1},[return_white_spaces]), + erl_scan_string("a %%\n b",{1,1},[return_white_spaces]), {ok,[{atom,{1,1},a}, {white_space,{1,2}," "}, {comment,{1,3},"%%"}, {white_space,{1,5},"\n "}, {atom,{2,2},b}], - {2,3}} = erl_scan:string("a %%\n b",{1,1},[return]), + {2,3}} = erl_scan_string("a %%\n b",{1,1},[return]), ok. errors() -> @@ -337,11 +337,11 @@ base_integers() -> erl_scan:string(Str) end || {BS,S} <- [{"3","3"},{"15","f"}, {"12","c"}] ], - ?line {ok,[{integer,1,239},{'@',1}],1} = erl_scan:string("16#ef@"), + {ok,[{integer,1,239},{'@',1}],1} = erl_scan_string("16#ef@"), {ok,[{integer,{1,1},239},{'@',{1,6}}],{1,7}} = - erl_scan:string("16#ef@", {1,1}, []), + erl_scan_string("16#ef@", {1,1}, []), {ok,[{integer,{1,1},14},{atom,{1,5},g@}],{1,7}} = - erl_scan:string("16#eg@", {1,1}, []), + erl_scan_string("16#eg@", {1,1}, []), ok. @@ -382,8 +382,8 @@ dots() -> {ok,[{'.',{1,1}},{atom,{1,2},a}],{1,3}}} ], [begin - R = erl_scan:string(S), - R2 = erl_scan:string(S, {1,1}, []) + R = erl_scan_string(S), + R2 = erl_scan_string(S, {1,1}, []) end || {S, R, R2} <- Dot], ?line {ok,[{dot,_}=T1],{1,2}} = erl_scan:string(".", {1,1}, text), @@ -417,7 +417,7 @@ dots() -> {white_space,{1,4},"\n"}, {dot,{2,1}}], {2,3}}, ""} = - erl_scan:tokens(C, "\n. ", {1,1}, return), % any loc, any options + erl_scan_tokens(C, "\n. ", {1,1}, return), % any loc, any options ?line [test_string(S, R) || {S, R} <- [{".$\n", [{'.',{1,1}},{char,{1,2},$\n}]}, @@ -511,7 +511,7 @@ eof() -> %% An error before R13A. %% ?line {done,Err={error,{1,erl_scan,scan},1},eof} = ?line {done,{ok,[{atom,1,abra}],1},eof} = - erl_scan:tokens(C2, eof, 1), + erl_scan_tokens(C2, eof, 1), %% With column. ?line {more, C3} = erl_scan:tokens([]," \n",{1,1}), @@ -520,7 +520,7 @@ eof() -> %% An error before R13A. %% ?line {done,{error,{{1,1},erl_scan,scan},{1,5}},eof} = ?line {done,{ok,[{atom,_,abra}],{1,5}},eof} = - erl_scan:tokens(C4, eof, 1), + erl_scan_tokens(C4, eof, 1), %% Robert's scanner returns "" as LeftoverChars; %% the R12B scanner returns eof as LeftoverChars: (eof is correct) @@ -528,26 +528,26 @@ eof() -> %% An error before R13A. %% ?line {done,{error,{1,erl_scan,scan},1},eof} = ?line {done,{ok,[{atom,1,a}],1},eof} = - erl_scan:tokens(C5,eof,1), + erl_scan_tokens(C5,eof,1), %% With column. {more, C6} = erl_scan:tokens([], "a", {1,1}), %% An error before R13A. %% {done,{error,{1,erl_scan,scan},1},eof} = {done,{ok,[{atom,{1,1},a}],{1,2}},eof} = - erl_scan:tokens(C6,eof,1), + erl_scan_tokens(C6,eof,1), %% A dot followed by eof is special: ?line {more, C} = erl_scan:tokens([], "a.", 1), - ?line {done,{ok,[{atom,1,a},{dot,1}],1},eof} = erl_scan:tokens(C,eof,1), - ?line {ok,[{atom,1,foo},{dot,1}],1} = erl_scan:string("foo."), + {done,{ok,[{atom,1,a},{dot,1}],1},eof} = erl_scan_tokens(C,eof,1), + {ok,[{atom,1,foo},{dot,1}],1} = erl_scan_string("foo."), %% With column. {more, CCol} = erl_scan:tokens([], "a.", {1,1}), {done,{ok,[{atom,{1,1},a},{dot,{1,2}}],{1,3}},eof} = - erl_scan:tokens(CCol,eof,1), + erl_scan_tokens(CCol,eof,1), {ok,[{atom,{1,1},foo},{dot,{1,4}}],{1,5}} = - erl_scan:string("foo.", {1,1}, []), + erl_scan_string("foo.", {1,1}, []), ok. @@ -628,23 +628,23 @@ crashes() -> options() -> %% line and column are not options, but tested here ?line {ok,[{atom,1,foo},{white_space,1," "},{comment,1,"% bar"}], 1} = - erl_scan:string("foo % bar", 1, return), + erl_scan_string("foo % bar", 1, return), ?line {ok,[{atom,1,foo},{white_space,1," "}],1} = - erl_scan:string("foo % bar", 1, return_white_spaces), + erl_scan_string("foo % bar", 1, return_white_spaces), ?line {ok,[{atom,1,foo},{comment,1,"% bar"}],1} = - erl_scan:string("foo % bar", 1, return_comments), + erl_scan_string("foo % bar", 1, return_comments), ?line {ok,[{atom,17,foo}],17} = - erl_scan:string("foo % bar", 17), + erl_scan_string("foo % bar", 17), ?line {'EXIT',{function_clause,_}} = (catch {foo, erl_scan:string("foo % bar", {a,1}, [])}), % type error ?line {ok,[{atom,_,foo}],{17,18}} = - erl_scan:string("foo % bar", {17,9}, []), + erl_scan_string("foo % bar", {17,9}, []), ?line {'EXIT',{function_clause,_}} = (catch {foo, erl_scan:string("foo % bar", {1,0}, [])}), % type error ?line {ok,[{foo,1}],1} = - erl_scan:string("foo % bar",1, [{reserved_word_fun, + erl_scan_string("foo % bar",1, [{reserved_word_fun, fun(W) -> W =:= foo end}]), ?line {'EXIT',{badarg,_}} = (catch {foo, @@ -706,8 +706,9 @@ token_info() -> attributes_info() -> ?line {'EXIT',_} = (catch {foo,erl_scan:attributes_info(foo)}), % type error - ?line [{line,18}] = erl_scan:attributes_info(18), - ?line {location,19} = erl_scan:attributes_info(19, location), + [{line,18}] = erl_scan:attributes_info(erl_anno:new(18)), + {location,19} = + erl_scan:attributes_info(erl_anno:new(19), location), ?line {ok,[{atom,A0,foo}],_} = erl_scan:string("foo", 19, [text]), ?line {location,19} = erl_scan:attributes_info(A0, location), @@ -735,7 +736,9 @@ attributes_info() -> set_attribute() -> F = fun(Line) -> -Line end, - ?line -2 = erl_scan:set_attribute(line, 2, F), + Anno2 = erl_anno:new(2), + A0 = erl_scan:set_attribute(line, Anno2, F), + {line, -2} = erl_scan:attributes_info(A0, line), ?line {ok,[{atom,A1,foo}],_} = erl_scan:string("foo", {9,17}), ?line A2 = erl_scan:set_attribute(line, A1, F), ?line {line,-9} = erl_scan:attributes_info(A2, line), @@ -765,10 +768,15 @@ set_attribute() -> ?line {ok,[{atom,A6,foo}],_} = erl_scan:string("foo", 11, [text]), ?line A7 = erl_scan:set_attribute(line, A6, F2), - ?line {line,{17,11}} = erl_scan:attributes_info(A7, line), + %% Incompatible with pre 18: + %% {line,{17,11}} = erl_scan:attributes_info(A7, line), + {line,17} = erl_scan:attributes_info(A7, line), ?line {location,{17,11}} = % mixed up erl_scan:attributes_info(A7, location), - ?line [{line,{17,11}},{text,"foo"}] = + %% Incompatible with pre 18: + %% [{line,{17,11}},{text,"foo"}] = + %% erl_scan:attributes_info(A7, [line,column,text]), + [{line,17},{column,11},{text,"foo"}] = erl_scan:attributes_info(A7, [line,column,text]), ?line {'EXIT',_} = @@ -776,9 +784,13 @@ set_attribute() -> ?line {'EXIT',{badarg,_}} = (catch {foo, erl_scan:set_attribute(column, [], F2)}), % type error + Attr10 = erl_anno:new(8), + Attr20 = erl_scan:set_attribute(line, Attr10, + fun(L) -> {nos,'X',L} end), %% OTP-9412 - ?line 8 = erl_scan:set_attribute(line, [{line,{nos,'X',8}}], - fun({nos,_V,VL}) -> VL end), + Attr30 = erl_scan:set_attribute(line, Attr20, + fun({nos,_V,VL}) -> VL end), + 8 = erl_anno:to_term(Attr30), ok. column_errors() -> @@ -812,7 +824,7 @@ white_spaces() -> {white_space,_," "}, {atom,_,a}, {white_space,_,"\n"}], - _} = erl_scan:string("\r a\n", {1,1}, return), + _} = erl_scan_string("\r a\n", {1,1}, return), ?line test("\r a\n"), L = "{\"a\nb\", \"a\\nb\",\nabc\r,def}.\n\n", ?line {ok,[{'{',_}, @@ -829,7 +841,7 @@ white_spaces() -> {'}',_}, {dot,_}, {white_space,_,"\n"}], - _} = erl_scan:string(L, {1,1}, return), + _} = erl_scan_string(L, {1,1}, return), ?line test(L), ?line test("\"\n\"\n"), ?line test("\n\r\n"), @@ -846,7 +858,7 @@ white_spaces() -> unicode() -> ?line {ok,[{char,1,83},{integer,1,45}],1} = - erl_scan:string("$\\12345"), % not unicode + erl_scan_string("$\\12345"), % not unicode ?line {error,{1,erl_scan,{illegal,character}},1} = erl_scan:string([1089]), @@ -858,7 +870,7 @@ unicode() -> erl_scan:string("'a"++[1089]++"b'", {1,1}), ?line test("\"a"++[1089]++"b\""), {ok,[{char,1,1}],1} = - erl_scan:string([$$,$\\,$^,1089], 1), + erl_scan_string([$$,$\\,$^,1089], 1), {error,{1,erl_scan,Error},1} = erl_scan:string("\"qa\x{aaa}", 1), @@ -870,13 +882,13 @@ unicode() -> erl_scan:string("'qa\\x{aaa}'",{1,1}), {ok,[{char,1,1089}],1} = - erl_scan:string([$$,1089], 1), + erl_scan_string([$$,1089], 1), {ok,[{char,1,1089}],1} = - erl_scan:string([$$,$\\,1089], 1), + erl_scan_string([$$,$\\,1089], 1), Qs = "$\\x{aaa}", {ok,[{char,1,$\x{aaa}}],1} = - erl_scan:string(Qs, 1), + erl_scan_string(Qs, 1), {ok,[Q2],{1,9}} = erl_scan:string("$\\x{aaa}", {1,1}, [text]), [{category,char},{column,1},{length,8}, @@ -884,19 +896,19 @@ unicode() -> erl_scan:token_info(Q2), U1 = "\"\\x{aaa}\"", - {ok, - [{string,[{line,1},{column,1},{text,"\"\\x{aaa}\""}],[2730]}], - {1,10}} = erl_scan:string(U1, {1,1}, [text]), - {ok,[{string,1,[2730]}],1} = erl_scan:string(U1, 1), + {ok,[{string,A1,[2730]}],{1,10}} = erl_scan:string(U1, {1,1}, [text]), + [{line,1},{column,1},{text,"\"\\x{aaa}\""}] = + erl_scan:attributes_info(A1, [line, column, text]), + {ok,[{string,1,[2730]}],1} = erl_scan_string(U1, 1), U2 = "\"\\x41\\x{fff}\\x42\"", - {ok,[{string,1,[$\x41,$\x{fff},$\x42]}],1} = erl_scan:string(U2, 1), + {ok,[{string,1,[$\x41,$\x{fff},$\x42]}],1} = erl_scan_string(U2, 1), U3 = "\"a\n\\x{fff}\n\"", - {ok,[{string,1,[$a,$\n,$\x{fff},$\n]}],3} = erl_scan:string(U3, 1), + {ok,[{string,1,[$a,$\n,$\x{fff},$\n]}],3} = erl_scan_string(U3, 1), U4 = "\"\\^\n\\x{aaa}\\^\n\"", - {ok,[{string,1,[$\n,$\x{aaa},$\n]}],3} = erl_scan:string(U4, 1), + {ok,[{string,1,[$\n,$\x{aaa},$\n]}],3} = erl_scan_string(U4, 1), %% Keep these tests: ?line test(Qs), @@ -906,15 +918,15 @@ unicode() -> ?line test(U4), Str1 = "\"ab" ++ [1089] ++ "cd\"", - {ok,[{string,1,[$a,$b,1089,$c,$d]}],1} = erl_scan:string(Str1, 1), + {ok,[{string,1,[$a,$b,1089,$c,$d]}],1} = erl_scan_string(Str1, 1), {ok,[{string,{1,1},[$a,$b,1089,$c,$d]}],{1,8}} = - erl_scan:string(Str1, {1,1}), + erl_scan_string(Str1, {1,1}), ?line test(Str1), Comment = "%% "++[1089], {ok,[{comment,1,[$%,$%,$\s,1089]}],1} = - erl_scan:string(Comment, 1, [return]), + erl_scan_string(Comment, 1, [return]), {ok,[{comment,{1,1},[$%,$%,$\s,1089]}],{1,5}} = - erl_scan:string(Comment, {1,1}, [return]), + erl_scan_string(Comment, {1,1}, [return]), ok. more_chars() -> @@ -923,12 +935,12 @@ more_chars() -> %% All kinds of tests... ?line {ok,[{char,_,123}],{1,4}} = - erl_scan:string("$\\{",{1,1}), + erl_scan_string("$\\{",{1,1}), ?line {more, C1} = erl_scan:tokens([], "$\\{", {1,1}), ?line {done,{ok,[{char,_,123}],{1,4}},eof} = - erl_scan:tokens(C1, eof, 1), + erl_scan_tokens(C1, eof, 1), ?line {ok,[{char,1,123},{atom,1,a},{'}',1}],1} = - erl_scan:string("$\\{a}"), + erl_scan_string("$\\{a}"), ?line {error,{{1,1},erl_scan,char},{1,4}} = erl_scan:string("$\\x", {1,1}), @@ -993,11 +1005,11 @@ otp_10302(Config) when is_list(Config) -> {error,{{1,1},erl_scan,{illegal,atom}},{1,12}} = erl_scan:string("'qa\\x{aaa}'",{1,1}), - {ok,[{char,1,1089}],1} = erl_scan:string([$$,1089], 1), - {ok,[{char,1,1089}],1} = erl_scan:string([$$,$\\,1089],1), + {ok,[{char,1,1089}],1} = erl_scan_string([$$,1089], 1), + {ok,[{char,1,1089}],1} = erl_scan_string([$$,$\\,1089],1), Qs = "$\\x{aaa}", - {ok,[{char,1,2730}],1} = erl_scan:string(Qs,1), + {ok,[{char,1,2730}],1} = erl_scan_string(Qs, 1), {ok,[Q2],{1,9}} = erl_scan:string(Qs,{1,1},[text]), [{category,char},{column,1},{length,8}, {line,1},{symbol,16#aaa},{text,Qs}] = @@ -1011,19 +1023,19 @@ otp_10302(Config) when is_list(Config) -> {symbol,[16#aaa]},{text,U1}] = erl_scan:token_info(T1, Tags), U2 = "\"\\x41\\x{fff}\\x42\"", - {ok,[{string,1,[65,4095,66]}],1} = erl_scan:string(U2, 1), + {ok,[{string,1,[65,4095,66]}],1} = erl_scan_string(U2, 1), U3 = "\"a\n\\x{fff}\n\"", - {ok,[{string,1,[97,10,4095,10]}],3} = erl_scan:string(U3, 1), + {ok,[{string,1,[97,10,4095,10]}],3} = erl_scan_string(U3, 1), U4 = "\"\\^\n\\x{aaa}\\^\n\"", - {ok,[{string,1,[10,2730,10]}],3} = erl_scan:string(U4, 1,[]), + {ok,[{string,1,[10,2730,10]}],3} = erl_scan_string(U4, 1,[]), Str1 = "\"ab" ++ [1089] ++ "cd\"", {ok,[{string,1,[97,98,1089,99,100]}],1} = - erl_scan:string(Str1,1), + erl_scan_string(Str1,1), {ok,[{string,{1,1},[97,98,1089,99,100]}],{1,8}} = - erl_scan:string(Str1, {1,1}), + erl_scan_string(Str1, {1,1}), OK1 = 16#D800-1, OK2 = 16#DFFF+1, @@ -1038,19 +1050,19 @@ otp_10302(Config) when is_list(Config) -> IllegalL = [Illegal1,Illegal2,Illegal3,Illegal4], [{ok,[{comment,1,[$%,$%,$\s,OK]}],1} = - erl_scan:string("%% "++[OK], 1, [return]) || + erl_scan_string("%% "++[OK], 1, [return]) || OK <- OKL], {ok,[{comment,_,[$%,$%,$\s,OK1]}],{1,5}} = - erl_scan:string("%% "++[OK1], {1,1}, [return]), + erl_scan_string("%% "++[OK1], {1,1}, [return]), [{error,{1,erl_scan,{illegal,character}},1} = erl_scan:string("%% "++[Illegal], 1, [return]) || Illegal <- IllegalL], {error,{{1,1},erl_scan,{illegal,character}},{1,5}} = erl_scan:string("%% "++[Illegal1], {1,1}, [return]), - [{ok,[],1} = erl_scan:string("%% "++[OK], 1, []) || + [{ok,[],1} = erl_scan_string("%% "++[OK], 1, []) || OK <- OKL], - {ok,[],{1,5}} = erl_scan:string("%% "++[OK1], {1,1}, []), + {ok,[],{1,5}} = erl_scan_string("%% "++[OK1], {1,1}, []), [{error,{1,erl_scan,{illegal,character}},1} = erl_scan:string("%% "++[Illegal], 1, []) || Illegal <- IllegalL], @@ -1058,7 +1070,7 @@ otp_10302(Config) when is_list(Config) -> erl_scan:string("%% "++[Illegal1], {1,1}, []), [{ok,[{string,{1,1},[OK]}],{1,4}} = - erl_scan:string("\""++[OK]++"\"",{1,1}) || + erl_scan_string("\""++[OK]++"\"",{1,1}) || OK <- OKL], [{error,{{1,2},erl_scan,{illegal,character}},{1,3}} = erl_scan:string("\""++[OK]++"\"",{1,1}) || @@ -1069,93 +1081,93 @@ otp_10302(Config) when is_list(Config) -> Illegal <- IllegalL], {ok,[{char,{1,1},OK1}],{1,3}} = - erl_scan:string([$$,OK1],{1,1}), + erl_scan_string([$$,OK1],{1,1}), {error,{{1,1},erl_scan,{illegal,character}},{1,2}} = erl_scan:string([$$,Illegal1],{1,1}), {ok,[{char,{1,1},OK1}],{1,4}} = - erl_scan:string([$$,$\\,OK1],{1,1}), + erl_scan_string([$$,$\\,OK1],{1,1}), {error,{{1,1},erl_scan,{illegal,character}},{1,4}} = erl_scan:string([$$,$\\,Illegal1],{1,1}), {ok,[{string,{1,1},[55295]}],{1,5}} = - erl_scan:string("\"\\"++[OK1]++"\"",{1,1}), + erl_scan_string("\"\\"++[OK1]++"\"",{1,1}), {error,{{1,2},erl_scan,{illegal,character}},{1,4}} = erl_scan:string("\"\\"++[Illegal1]++"\"",{1,1}), {ok,[{char,{1,1},OK1}],{1,10}} = - erl_scan:string("$\\x{D7FF}",{1,1}), + erl_scan_string("$\\x{D7FF}",{1,1}), {error,{{1,1},erl_scan,{illegal,character}},{1,10}} = erl_scan:string("$\\x{D800}",{1,1}), %% Not erl_scan, but erl_parse. - {integer,0,1} = erl_parse:abstract(1), - Float = 3.14, {float,0,Float} = erl_parse:abstract(Float), - {nil,0} = erl_parse:abstract([]), + {integer,0,1} = erl_parse_abstract(1), + Float = 3.14, {float,0,Float} = erl_parse_abstract(Float), + {nil,0} = erl_parse_abstract([]), {bin,0, [{bin_element,0,{integer,0,1},default,default}, {bin_element,0,{integer,0,2},default,default}]} = - erl_parse:abstract(<<1,2>>), + erl_parse_abstract(<<1,2>>), {cons,0,{tuple,0,[{atom,0,a}]},{atom,0,b}} = - erl_parse:abstract([{a} | b]), - {string,0,"str"} = erl_parse:abstract("str"), + erl_parse_abstract([{a} | b]), + {string,0,"str"} = erl_parse_abstract("str"), {cons,0, {integer,0,$a}, {cons,0,{integer,0,55296},{string,0,"c"}}} = - erl_parse:abstract("a"++[55296]++"c"), + erl_parse_abstract("a"++[55296]++"c"), Line = 17, - {integer,Line,1} = erl_parse:abstract(1, Line), - Float = 3.14, {float,Line,Float} = erl_parse:abstract(Float, Line), - {nil,Line} = erl_parse:abstract([], Line), + {integer,Line,1} = erl_parse_abstract(1, Line), + Float = 3.14, {float,Line,Float} = erl_parse_abstract(Float, Line), + {nil,Line} = erl_parse_abstract([], Line), {bin,Line, [{bin_element,Line,{integer,Line,1},default,default}, {bin_element,Line,{integer,Line,2},default,default}]} = - erl_parse:abstract(<<1,2>>, Line), + erl_parse_abstract(<<1,2>>, Line), {cons,Line,{tuple,Line,[{atom,Line,a}]},{atom,Line,b}} = - erl_parse:abstract([{a} | b], Line), - {string,Line,"str"} = erl_parse:abstract("str", Line), + erl_parse_abstract([{a} | b], Line), + {string,Line,"str"} = erl_parse_abstract("str", Line), {cons,Line, {integer,Line,$a}, {cons,Line,{integer,Line,55296},{string,Line,"c"}}} = - erl_parse:abstract("a"++[55296]++"c", Line), + erl_parse_abstract("a"++[55296]++"c", Line), Opts1 = [{line,17}], - {integer,Line,1} = erl_parse:abstract(1, Opts1), - Float = 3.14, {float,Line,Float} = erl_parse:abstract(Float, Opts1), - {nil,Line} = erl_parse:abstract([], Opts1), + {integer,Line,1} = erl_parse_abstract(1, Opts1), + Float = 3.14, {float,Line,Float} = erl_parse_abstract(Float, Opts1), + {nil,Line} = erl_parse_abstract([], Opts1), {bin,Line, [{bin_element,Line,{integer,Line,1},default,default}, {bin_element,Line,{integer,Line,2},default,default}]} = - erl_parse:abstract(<<1,2>>, Opts1), + erl_parse_abstract(<<1,2>>, Opts1), {cons,Line,{tuple,Line,[{atom,Line,a}]},{atom,Line,b}} = - erl_parse:abstract([{a} | b], Opts1), - {string,Line,"str"} = erl_parse:abstract("str", Opts1), + erl_parse_abstract([{a} | b], Opts1), + {string,Line,"str"} = erl_parse_abstract("str", Opts1), {cons,Line, {integer,Line,$a}, {cons,Line,{integer,Line,55296},{string,Line,"c"}}} = - erl_parse:abstract("a"++[55296]++"c", Opts1), + erl_parse_abstract("a"++[55296]++"c", Opts1), [begin - {integer,Line,1} = erl_parse:abstract(1, Opts2), - Float = 3.14, {float,Line,Float} = erl_parse:abstract(Float, Opts2), - {nil,Line} = erl_parse:abstract([], Opts2), + {integer,Line,1} = erl_parse_abstract(1, Opts2), + Float = 3.14, {float,Line,Float} = erl_parse_abstract(Float, Opts2), + {nil,Line} = erl_parse_abstract([], Opts2), {bin,Line, [{bin_element,Line,{integer,Line,1},default,default}, {bin_element,Line,{integer,Line,2},default,default}]} = - erl_parse:abstract(<<1,2>>, Opts2), + erl_parse_abstract(<<1,2>>, Opts2), {cons,Line,{tuple,Line,[{atom,Line,a}]},{atom,Line,b}} = - erl_parse:abstract([{a} | b], Opts2), - {string,Line,"str"} = erl_parse:abstract("str", Opts2), + erl_parse_abstract([{a} | b], Opts2), + {string,Line,"str"} = erl_parse_abstract("str", Opts2), {string,Line,[97,1024,99]} = - erl_parse:abstract("a"++[1024]++"c", Opts2) + erl_parse_abstract("a"++[1024]++"c", Opts2) end || Opts2 <- [[{encoding,unicode},{line,Line}], [{encoding,utf8},{line,Line}]]], {cons,0, {integer,0,97}, {cons,0,{integer,0,1024},{string,0,"c"}}} = - erl_parse:abstract("a"++[1024]++"c", [{encoding,latin1}]), + erl_parse_abstract("a"++[1024]++"c", [{encoding,latin1}]), ok. otp_10990(doc) -> @@ -1172,13 +1184,13 @@ otp_10992(suite) -> []; otp_10992(Config) when is_list(Config) -> {cons,0,{float,0,42.0},{nil,0}} = - erl_parse:abstract([42.0], [{encoding,unicode}]), + erl_parse_abstract([42.0], [{encoding,unicode}]), {cons,0,{float,0,42.0},{nil,0}} = - erl_parse:abstract([42.0], [{encoding,utf8}]), + erl_parse_abstract([42.0], [{encoding,utf8}]), {cons,0,{integer,0,65},{cons,0,{float,0,42.0},{nil,0}}} = - erl_parse:abstract([$A,42.0], [{encoding,unicode}]), + erl_parse_abstract([$A,42.0], [{encoding,unicode}]), {cons,0,{integer,0,65},{cons,0,{float,0,42.0},{nil,0}}} = - erl_parse:abstract([$A,42.0], [{encoding,utf8}]), + erl_parse_abstract([$A,42.0], [{encoding,utf8}]), ok. otp_11807(doc) -> @@ -1187,29 +1199,72 @@ otp_11807(suite) -> []; otp_11807(Config) when is_list(Config) -> {cons,0,{integer,0,97},{cons,0,{integer,0,98},{nil,0}}} = - erl_parse:abstract("ab", [{encoding,none}]), + erl_parse_abstract("ab", [{encoding,none}]), {cons,0,{integer,0,-1},{nil,0}} = - erl_parse:abstract([-1], [{encoding,latin1}]), + erl_parse_abstract([-1], [{encoding,latin1}]), ASCII = fun(I) -> I >= 0 andalso I < 128 end, - {string,0,"xyz"} = erl_parse:abstract("xyz", [{encoding,ASCII}]), + {string,0,"xyz"} = erl_parse_abstract("xyz", [{encoding,ASCII}]), {cons,0,{integer,0,228},{nil,0}} = - erl_parse:abstract([228], [{encoding,ASCII}]), + erl_parse_abstract([228], [{encoding,ASCII}]), {cons,0,{integer,0,97},{atom,0,a}} = - erl_parse:abstract("a"++a, [{encoding,latin1}]), + erl_parse_abstract("a"++a, [{encoding,latin1}]), {'EXIT', {{badarg,bad},_}} = % minor backward incompatibility (catch erl_parse:abstract("string", [{encoding,bad}])), ok. test_string(String, ExpectedWithCol) -> - {ok, ExpectedWithCol, _EndWithCol} = erl_scan:string(String, {1, 1}, []), + {ok, ExpectedWithCol, _EndWithCol} = erl_scan_string(String, {1, 1}, []), Expected = [ begin {L,_C} = element(2, T), setelement(2, T, L) end || T <- ExpectedWithCol ], - {ok, Expected, _End} = erl_scan:string(String), + {ok, Expected, _End} = erl_scan_string(String), test(String). +erl_scan_string(String) -> + erl_scan_string(String, 1, []). + +erl_scan_string(String, StartLocation) -> + erl_scan_string(String, StartLocation, []). + +erl_scan_string(String, StartLocation, Options) -> + case erl_scan:string(String, StartLocation, Options) of + {ok, Tokens, EndLocation} -> + {ok, unopaque_tokens(Tokens), EndLocation}; + Else -> + Else + end. + +erl_scan_tokens(C, S, L) -> + erl_scan_tokens(C, S, L, []). + +erl_scan_tokens(C, S, L, O) -> + case erl_scan:tokens(C, S, L, O) of + {done, {ok, Ts, End}, R} -> + {done, {ok, unopaque_tokens(Ts), End}, R}; + Else -> + Else + end. + +unopaque_tokens([]) -> + []; +unopaque_tokens([Token|Tokens]) -> + Attrs = element(2, Token), + Term = erl_anno:to_term(Attrs), + T = setelement(2, Token, Term), + [T | unopaque_tokens(Tokens)]. + +erl_parse_abstract(Term) -> + erl_parse_abstract(Term, []). + +erl_parse_abstract(Term, Options) -> + Abstr = erl_parse:abstract(Term, Options), + unopaque_abstract(Abstr). + +unopaque_abstract(Abstr) -> + erl_parse:anno_to_term(Abstr). + %% test_string(String, Expected, StartLocation, Options) -> %% {ok, Expected, _End} = erl_scan:string(String, StartLocation, Options), %% test(String). @@ -1359,7 +1414,7 @@ select_tokens(Tokens, Tags) -> simplify([Token|Tokens]) -> {line,Line} = erl_scan:token_info(Token, line), - [setelement(2, Token, Line) | simplify(Tokens)]; + [setelement(2, Token, erl_anno:new(Line)) | simplify(Tokens)]; simplify([]) -> []. diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index 8dc8b2c291..fff6b11a38 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -47,6 +47,7 @@ -export([ordered/1, ordered_match/1, interface_equality/1, fixtable_next/1, fixtable_insert/1, rename/1, rename_unnamed/1, evil_rename/1, update_element/1, update_counter/1, evil_update_counter/1, partly_bound/1, match_heavy/1]). +-export([update_counter_with_default/1]). -export([member/1]). -export([memory/1]). -export([select_fail/1]). @@ -77,6 +78,7 @@ -export([otp_10182/1]). -export([ets_all/1]). -export([memory_check_summary/1]). +-export([take/1]). -export([init_per_testcase/2, end_per_testcase/2]). %% Convenience for manual testing @@ -98,7 +100,7 @@ misc1_do/1, safe_fixtable_do/1, info_do/1, dups_do/1, heavy_lookup_do/1, heavy_lookup_element_do/1, member_do/1, otp_5340_do/1, otp_7665_do/1, meta_wb_do/1, do_heavy_concurrent/1, tab2file2_do/2, exit_large_table_owner_do/2, - types_do/1, sleeper/0, memory_do/1, + types_do/1, sleeper/0, memory_do/1, update_counter_with_default_do/1, ms_tracee_dummy/1, ms_tracee_dummy/2, ms_tracee_dummy/3, ms_tracee_dummy/4 ]). @@ -135,7 +137,8 @@ all() -> {group, heavy}, ordered, ordered_match, interface_equality, fixtable_next, fixtable_insert, rename, rename_unnamed, evil_rename, update_element, - update_counter, evil_update_counter, partly_bound, + update_counter, evil_update_counter, + update_counter_with_default, partly_bound, match_heavy, {group, fold}, member, t_delete_object, t_init_table, t_whitebox, t_delete_all_objects, t_insert_list, t_test_ms, t_select_delete, t_ets_dets, @@ -153,6 +156,7 @@ all() -> otp_9932, otp_9423, ets_all, + take, memory_check_summary]. % MUST BE LAST @@ -1381,7 +1385,7 @@ random_test() -> {ok,[X]} -> X; _ -> - {A,B,C} = erlang:now(), + {A,B,C} = erlang:timestamp(), random:seed(A,B,C), get(random_seed) end, @@ -1759,6 +1763,14 @@ update_counter_do(Opts) -> OrdSet = ets_new(ordered_set,[ordered_set | Opts]), update_counter_for(Set), update_counter_for(OrdSet), + ets:delete_all_objects(Set), + ets:delete_all_objects(OrdSet), + ets:safe_fixtable(Set, true), + ets:safe_fixtable(OrdSet, true), + update_counter_for(Set), + update_counter_for(OrdSet), + ets:safe_fixtable(Set, false), + ets:safe_fixtable(OrdSet, false), ets:delete(Set), ets:delete(OrdSet), update_counter_neg(Opts). @@ -1778,10 +1790,14 @@ update_counter_for(T) -> ?line {NewObj, Ret} = uc_mimic(Obj,Arg3), ArgHash = erlang:phash2({T,a,Arg3}), %%io:format("update_counter(~p, ~p, ~p) expecting ~p\n",[T,a,Arg3,Ret]), + [DefaultObj] = ets:lookup(T, a), ?line Ret = ets:update_counter(T,a,Arg3), + Ret = ets:update_counter(T, b, Arg3, DefaultObj), % Use other key ?line ArgHash = erlang:phash2({T,a,Arg3}), %%io:format("NewObj=~p~n ",[NewObj]), ?line [NewObj] = ets:lookup(T,a), + true = ets:lookup(T, b) =:= [setelement(1, NewObj, b)], + ets:delete(T, b), Myself(NewObj,Times-1,Arg3,Myself) end, @@ -2006,6 +2022,44 @@ evil_counter_1(Iter, T) -> ets:update_counter(T, dracula, 1), evil_counter_1(Iter-1, T). +update_counter_with_default(Config) when is_list(Config) -> + repeat_for_opts(update_counter_with_default_do). + +update_counter_with_default_do(Opts) -> + T1 = ets_new(a, [set | Opts]), + %% Insert default object. + 3 = ets:update_counter(T1, foo, 2, {beaufort,1}), + %% Increment. + 5 = ets:update_counter(T1, foo, 2, {cabecou,1}), + %% Increment with list. + [9] = ets:update_counter(T1, foo, [{2,4}], {camembert,1}), + %% Same with non-immediate key. + 3 = ets:update_counter(T1, {foo,bar}, 2, {{chaource,chevrotin},1}), + 5 = ets:update_counter(T1, {foo,bar}, 2, {{cantal,comté},1}), + [9] = ets:update_counter(T1, {foo,bar}, [{2,4}], {{emmental,de,savoie},1}), + %% Same with ordered set. + T2 = ets_new(b, [ordered_set | Opts]), + 3 = ets:update_counter(T2, foo, 2, {maroilles,1}), + 5 = ets:update_counter(T2, foo, 2, {mimolette,1}), + [9] = ets:update_counter(T2, foo, [{2,4}], {morbier,1}), + 3 = ets:update_counter(T2, {foo,bar}, 2, {{laguiole},1}), + 5 = ets:update_counter(T2, {foo,bar}, 2, {{saint,nectaire},1}), + [9] = ets:update_counter(T2, {foo,bar}, [{2,4}], {{rocamadour},1}), + %% Arithmetically-equal keys. + 3 = ets:update_counter(T2, 1.0, 2, {1,1}), + 5 = ets:update_counter(T2, 1, 2, {1,1}), + 7 = ets:update_counter(T2, 1, 2, {1.0,1}), + %% Same with reversed type difference. + 3 = ets:update_counter(T2, 2, 2, {2.0,1}), + 5 = ets:update_counter(T2, 2.0, 2, {2.0,1}), + 7 = ets:update_counter(T2, 2.0, 2, {2,1}), + %% bar is not an integer. + {'EXIT',{badarg,_}} = (catch ets:update_counter(T1, qux, 3, {saint,félicien})), + %% No third element in default value. + {'EXIT',{badarg,_}} = (catch ets:update_counter(T1, qux, [{3,1}], {roquefort,1})), + + ok. + fixtable_next(doc) -> ["Check that a first-next sequence always works on a fixed table"]; fixtable_next(suite) -> @@ -3007,13 +3061,13 @@ time_lookup(Config) when is_list(Config) -> "~p ets lookups/s",[Values]))}. time_lookup_do(Opts) -> - ?line Tab = ets_new(foo,Opts), - ?line fill_tab(Tab,foo), - ?line ets:insert(Tab,{{a,key},foo}), - ?line {Time,_} = ?t:timecall(test_server,do_times, - [10000,ets,lookup,[Tab,{a,key}]]), - ?line true = ets:delete(Tab), - round(10000 / Time). % lookups/s + Tab = ets_new(foo,Opts), + fill_tab(Tab,foo), + ets:insert(Tab,{{a,key},foo}), + {Time,_} = ?t:timecall(test_server,do_times, + [100000,ets,lookup,[Tab,{a,key}]]), + true = ets:delete(Tab), + round(100000 / Time). % lookups/s badlookup(doc) -> ["Check proper return values from bad lookups in existing/non existing " @@ -3487,12 +3541,9 @@ verify_rescheduling_exit(Config, ForEachData, Flags, Fix, NOTabs, NOProcs) -> fun () -> repeat( fun () -> - {A, B, C} = now(), - ?line Name = list_to_atom( - TestCase - ++ "-" ++ integer_to_list(A) - ++ "-" ++ integer_to_list(B) - ++ "-" ++ integer_to_list(C)), + Uniq = erlang:unique_integer([positive]), + Name = list_to_atom(TestCase ++ "-" ++ + integer_to_list(Uniq)), Tab = ets_new(Name, Flags), ForEachData(fun(Data) -> ets:insert(Tab, Data) end), case Fix of @@ -3770,41 +3821,99 @@ match_object(Config) when is_list(Config) -> repeat_for_opts(match_object_do). match_object_do(Opts) -> - ?line EtsMem = etsmem(), - ?line Tab = ets_new(foobar, Opts), - ?line fill_tab(Tab, foo), - ?line ets:insert(Tab, {{one, 4}, 4}), - ?line ets:insert(Tab,{{one,5},5}), - ?line ets:insert(Tab,{{two,4},4}), - ?line ets:insert(Tab,{{two,5},6}), - ?line case ets:match_object(Tab, {{one, '_'}, '$0'}) of + EtsMem = etsmem(), + Tab = ets_new(foobar, Opts), + fill_tab(Tab, foo), + ets:insert(Tab,{{one,4},4}), + ets:insert(Tab,{{one,5},5}), + ets:insert(Tab,{{two,4},4}), + ets:insert(Tab,{{two,5},6}), + ets:insert(Tab, {#{camembert=>cabécou},7}), + ets:insert(Tab, {#{"hi"=>"hello","wazzup"=>"awesome","1337"=>"42"},8}), + ets:insert(Tab, {#{"hi"=>"hello",#{"wazzup"=>3}=>"awesome","1337"=>"42"},9}), + ets:insert(Tab, {#{"hi"=>"hello","wazzup"=>#{"awesome"=>3},"1337"=>"42"},10}), + Is = lists:seq(1,100), + M1 = maps:from_list([{I,I}||I <- Is]), + M2 = maps:from_list([{I,"hi"}||I <- Is]), + ets:insert(Tab, {M1,11}), + ets:insert(Tab, {M2,12}), + + case ets:match_object(Tab, {{one, '_'}, '$0'}) of [{{one,5},5},{{one,4},4}] -> ok; [{{one,4},4},{{one,5},5}] -> ok; _ -> ?t:fail("ets:match_object() returned something funny.") end, - ?line case ets:match_object(Tab, {{two, '$1'}, '$0'}) of + case ets:match_object(Tab, {{two, '$1'}, '$0'}) of [{{two,5},6},{{two,4},4}] -> ok; [{{two,4},4},{{two,5},6}] -> ok; _ -> ?t:fail("ets:match_object() returned something funny.") end, - ?line case ets:match_object(Tab, {{two, '$9'}, '$4'}) of + case ets:match_object(Tab, {{two, '$9'}, '$4'}) of [{{two,5},6},{{two,4},4}] -> ok; [{{two,4},4},{{two,5},6}] -> ok; _ -> ?t:fail("ets:match_object() returned something funny.") end, - ?line case ets:match_object(Tab, {{two, '$9'}, '$22'}) of + case ets:match_object(Tab, {{two, '$9'}, '$22'}) of [{{two,5},6},{{two,4},4}] -> ok; [{{two,4},4},{{two,5},6}] -> ok; _ -> ?t:fail("ets:match_object() returned something funny.") end, - % Check that unsucessful match returns an empty list. - ?line [] = ets:match_object(Tab, {{three,'$0'}, '$92'}), + + % Check that maps are inspected for variables. + [{#{camembert:=cabécou},7}] = ets:match_object(Tab, {#{camembert=>'_'},7}), + + [{#{"hi":="hello",#{"wazzup"=>3}:="awesome","1337":="42"},9}] = + ets:match_object(Tab, {#{#{"wazzup"=>3}=>"awesome","hi"=>"hello","1337"=>"42"},9}), + [{#{"hi":="hello",#{"wazzup"=>3}:="awesome","1337":="42"},9}] = + ets:match_object(Tab, {#{#{"wazzup"=>3}=>"awesome","hi"=>"hello","1337"=>'_'},'_'}), + [{#{"hi":="hello","wazzup":=#{"awesome":=3},"1337":="42"},10}] = + ets:match_object(Tab, {#{"wazzup"=>'_',"hi"=>'_',"1337"=>'_'},10}), + + %% multiple patterns + Pat = {{#{#{"wazzup"=>3}=>"awesome","hi"=>"hello","1337"=>'_'},'$1'},[{is_integer,'$1'}],['$_']}, + [{#{"hi":="hello",#{"wazzup"=>3}:="awesome","1337":="42"},9}] = + ets:select(Tab, [Pat,Pat,Pat,Pat]), + case ets:match_object(Tab, {#{"hi"=>"hello","wazzup"=>'_',"1337"=>"42"},'_'}) of + [{#{"1337" := "42","hi" := "hello","wazzup" := "awesome"},8}, + {#{"1337" := "42","hi" := "hello","wazzup" := #{"awesome" := 3}},10}] -> ok; + [{#{"1337" := "42","hi" := "hello","wazzup" := #{"awesome" := 3}},10}, + {#{"1337" := "42","hi" := "hello","wazzup" := "awesome"},8}] -> ok; + _ -> ?t:fail("ets:match_object() returned something funny.") + end, + case ets:match_object(Tab, {#{"hi"=>'_'},'_'}) of + [{#{"1337":="42", "hi":="hello"},_}, + {#{"1337":="42", "hi":="hello"},_}, + {#{"1337":="42", "hi":="hello"},_}] -> ok; + _ -> ?t:fail("ets:match_object() returned something funny.") + end, + + %% match large maps + [{#{1:=1,2:=2,99:=99,100:=100},11}] = ets:match_object(Tab, {M1,11}), + [{#{1:="hi",2:="hi",99:="hi",100:="hi"},12}] = ets:match_object(Tab, {M2,12}), + case ets:match_object(Tab, {#{1=>'_',2=>'_'},'_'}) of + %% only match a part of the map + [{#{1:=1,5:=5,99:=99,100:=100},11},{#{1:="hi",6:="hi",99:="hi"},12}] -> ok; + [{#{1:="hi",2:="hi",59:="hi"},12},{#{1:=1,2:=2,39:=39,100:=100},11}] -> ok; + _ -> ?t:fail("ets:match_object() returned something funny.") + end, + case ets:match_object(Tab, {maps:from_list([{I,'_'}||I<-Is]),'_'}) of + %% only match a part of the map + [{#{1:=1,5:=5,99:=99,100:=100},11},{#{1:="hi",6:="hi",99:="hi"},12}] -> ok; + [{#{1:="hi",2:="hi",59:="hi"},12},{#{1:=1,2:=2,39:=39,100:=100},11}] -> ok; + _ -> ?t:fail("ets:match_object() returned something funny.") + end, + {'EXIT',{badarg,_}} = (catch ets:match_object(Tab, {#{'$1'=>'_'},7})), + Mve = maps:from_list([{list_to_atom([$$|integer_to_list(I)]),'_'}||I<-Is]), + {'EXIT',{badarg,_}} = (catch ets:match_object(Tab, {Mve,11})), + + % Check that unsuccessful match returns an empty list. + [] = ets:match_object(Tab, {{three,'$0'}, '$92'}), % Check that '$0' equals '_'. Len = length(ets:match_object(Tab, '$0')), Len = length(ets:match_object(Tab, '_')), - ?line if Len > 4 -> ok end, - ?line true = ets:delete(Tab), - ?line verify_etsmem(EtsMem). + if Len > 4 -> ok end, + true = ets:delete(Tab), + verify_etsmem(EtsMem). match_object2(suite) -> []; match_object2(doc) -> ["Tests that db_match_object does not generate " @@ -3969,12 +4078,22 @@ tab2file(doc) -> ["Check the ets:tab2file function on an empty " "ets table."]; tab2file(suite) -> []; tab2file(Config) when is_list(Config) -> + ?line FName = filename:join([?config(priv_dir, Config),"tab2file_case"]), + tab2file_do(FName, []), + tab2file_do(FName, [{sync,true}]), + tab2file_do(FName, [{sync,false}]), + {'EXIT',{{badmatch,{error,_}},_}} = (catch tab2file_do(FName, [{sync,yes}])), + {'EXIT',{{badmatch,{error,_}},_}} = (catch tab2file_do(FName, [sync])), + ok. + +tab2file_do(FName, Opts) -> %% Write an empty ets table to a file, read back and check properties. ?line Tab = ets_new(ets_SUITE_foo_tab, [named_table, set, private, {keypos, 2}]), - ?line FName = filename:join([?config(priv_dir, Config),"tab2file_case"]), - ?line ok = ets:tab2file(Tab, FName), - ?line true = ets:delete(Tab), + catch file:delete(FName), + Res = ets:tab2file(Tab, FName, Opts), + true = ets:delete(Tab), + ok = Res, % ?line EtsMem = etsmem(), ?line {ok, Tab2} = ets:file2tab(FName), @@ -3984,6 +4103,7 @@ tab2file(Config) when is_list(Config) -> ?line set = ets:info(Tab2, type), ?line true = ets:delete(Tab2), ?line verify_etsmem(EtsMem). + tab2file2(doc) -> ["Check the ets:tab2file function on a ", "filled set/bag type ets table."]; @@ -4493,16 +4613,16 @@ build_table2(L1,L2,Num) -> T. time_match_object(Tab,Match, Res) -> - T1 = erlang:now(), + T1 = erlang:monotonic_time(micro_seconds), Res = ets:match_object(Tab,Match), - T2 = erlang:now(), - nowdiff(T1,T2). + T2 = erlang:monotonic_time(micro_seconds), + T2 - T1. time_match(Tab,Match) -> - T1 = erlang:now(), + T1 = erlang:monotonic_time(micro_seconds), ets:match(Tab,Match), - T2 = erlang:now(), - nowdiff(T1,T2). + T2 = erlang:monotonic_time(micro_seconds), + T2 - T1. seventyfive_percent_success(_,S,Fa,0) -> true = (S > ((S + Fa) * 0.75)); @@ -4527,11 +4647,6 @@ fifty_percent_success({M,F,A},S,Fa,N) -> end. -nowtonumber({Mega, Secs, Milli}) -> - Milli + Secs * 1000000 + Mega * 1000000000000. -nowdiff(T1,T2) -> - nowtonumber(T2) - nowtonumber(T1). - create_random_string(0) -> []; @@ -5000,36 +5115,40 @@ colliding_names(Name) -> grow_shrink(Config) when is_list(Config) -> ?line EtsMem = etsmem(), - ?line grow_shrink_0(lists:seq(3071, 5000), EtsMem), - ?line verify_etsmem(EtsMem). -grow_shrink_0([N|Ns], EtsMem) -> - ?line grow_shrink_1(N, [set]), - ?line grow_shrink_1(N, [ordered_set]), - %% Verifying ets-memory here takes too long time, since - %% lock-free allocators were introduced... - %% ?line verify_etsmem(EtsMem), - grow_shrink_0(Ns, EtsMem); -grow_shrink_0([], _) -> ok. - -grow_shrink_1(N, Flags) -> - ?line T = ets_new(a, Flags), - ?line grow_shrink_2(N, N, T), - ?line ets:delete(T). + Set = ets_new(a, [set]), + grow_shrink_0(0, 3071, 3000, 5000, Set), + ets:delete(Set), -grow_shrink_2(0, Orig, T) -> - List = [{I,a} || I <- lists:seq(1, Orig)], - List = lists:sort(ets:tab2list(T)), - grow_shrink_3(Orig, T); -grow_shrink_2(N, Orig, T) -> + %OrdSet = ets_new(a, [ordered_set]), + %grow_shrink_0(0, lists:seq(3071, 5000), OrdSet), + %ets:delete(OrdSet), + + ?line verify_etsmem(EtsMem). + +grow_shrink_0(N, _, _, Max, _) when N >= Max -> + ok; +grow_shrink_0(N0, GrowN, ShrinkN, Max, T) -> + N1 = grow_shrink_1(N0, GrowN, ShrinkN, T), + grow_shrink_0(N1, GrowN, ShrinkN, Max, T). + +grow_shrink_1(N0, GrowN, ShrinkN, T) -> + N1 = grow_shrink_2(N0+1, N0 + GrowN, T), + grow_shrink_3(N1, N1 - ShrinkN, T). + +grow_shrink_2(N, GrowTo, _) when N > GrowTo -> + %io:format("Grown to ~p\n", [GrowTo]), + GrowTo; +grow_shrink_2(N, GrowTo, T) -> true = ets:insert(T, {N,a}), - grow_shrink_2(N-1, Orig, T). + grow_shrink_2(N+1, GrowTo, T). -grow_shrink_3(0, T) -> - [] = ets:tab2list(T); -grow_shrink_3(N, T) -> +grow_shrink_3(N, ShrinkTo, _) when N =< ShrinkTo -> + %io:format("Shrunk to ~p\n", [ShrinkTo]), + ShrinkTo; +grow_shrink_3(N, ShrinkTo, T) -> true = ets:delete(T, N), - grow_shrink_3(N-1, T). + grow_shrink_3(N-1, ShrinkTo, T). grow_pseudo_deleted(doc) -> ["Grow a table that still contains pseudo-deleted objects"]; grow_pseudo_deleted(suite) -> []; @@ -5055,17 +5174,29 @@ grow_pseudo_deleted_do(Type) -> ?line Left = ets:info(T,size), ?line Mult = get_kept_objects(T), filltabstr(T,Mult), - my_spawn_opt(fun()-> ?line true = ets:info(T,fixed), - Self ! start, - io:format("Starting to filltabstr... ~p\n",[now()]), - filltabstr(T,Mult,Mult+10000), - io:format("Done with filltabstr. ~p\n",[now()]), - Self ! done - end, [link, {scheduler,2}]), + my_spawn_opt( + fun() -> + true = ets:info(T,fixed), + Self ! start, + io:put_chars("Starting to filltabstr...\n"), + do_tc(fun() -> + filltabstr(T, Mult, Mult+10000) + end, + fun(Elapsed) -> + io:format("Done with filltabstr in ~p ms\n", + [Elapsed]) + end), + Self ! done + end, [link, {scheduler,2}]), ?line start = receive_any(), - io:format("Unfixing table...~p nitems=~p\n",[now(),ets:info(T,size)]), - ?line true = ets:safe_fixtable(T,false), - io:format("Unfix table done. ~p nitems=~p\n",[now(),ets:info(T,size)]), + io:format("Unfixing table... nitems=~p\n", [ets:info(T, size)]), + do_tc(fun() -> + true = ets:safe_fixtable(T, false) + end, + fun(Elapsed) -> + io:format("Unfix table done in ~p ms. nitems=~p\n", + [Elapsed,ets:info(T, size)]) + end), ?line false = ets:info(T,fixed), ?line 0 = get_kept_objects(T), ?line done = receive_any(), @@ -5095,17 +5226,28 @@ shrink_pseudo_deleted_do(Type) -> [true]}]), ?line Half = ets:info(T,size), ?line Half = get_kept_objects(T), - my_spawn_opt(fun()-> ?line true = ets:info(T,fixed), - Self ! start, - io:format("Starting to delete... ~p\n",[now()]), - del_one_by_one_set(T,1,Half+1), - io:format("Done with delete. ~p\n",[now()]), - Self ! done - end, [link, {scheduler,2}]), + my_spawn_opt( + fun()-> true = ets:info(T,fixed), + Self ! start, + io:put_chars("Starting to delete... ~p\n"), + do_tc(fun() -> + del_one_by_one_set(T, 1, Half+1) + end, + fun(Elapsed) -> + io:format("Done with delete in ~p ms.\n", + [Elapsed]) + end), + Self ! done + end, [link, {scheduler,2}]), ?line start = receive_any(), - io:format("Unfixing table...~p nitems=~p\n",[now(),ets:info(T,size)]), - ?line true = ets:safe_fixtable(T,false), - io:format("Unfix table done. ~p nitems=~p\n",[now(),ets:info(T,size)]), + io:format("Unfixing table... nitems=~p\n", [ets:info(T, size)]), + do_tc(fun() -> + true = ets:safe_fixtable(T, false) + end, + fun(Elapsed) -> + io:format("Unfix table done in ~p ms. nitems=~p\n", + [Elapsed,ets:info(T, size)]) + end), ?line false = ets:info(T,fixed), ?line 0 = get_kept_objects(T), ?line done = receive_any(), @@ -5258,30 +5400,42 @@ smp_unfix_fix_do() -> ?line Deleted = get_kept_objects(T), {Child, Mref} = - my_spawn_opt(fun()-> ?line true = ets:info(T,fixed), - Parent ! start, - io:format("Child waiting for table to be unfixed... now=~p mem=~p\n", - [now(),ets:info(T,memory)]), - repeat_while(fun()-> ets:info(T,fixed) end), - io:format("Table unfixed. Child Fixating! now=~p mem=~p\n", - [now(),ets:info(T,memory)]), - ?line true = ets:safe_fixtable(T,true), - repeat_while(fun(Key) when Key =< NumOfObjs -> - ets:delete(T,Key), {true,Key+1}; - (Key) -> {false,Key} - end, - Deleted), - ?line 0 = ets:info(T,size), - ?line true = get_kept_objects(T) >= Left, - ?line done = receive_any() - end, - [link, monitor, {scheduler,2}]), + my_spawn_opt( + fun()-> + true = ets:info(T,fixed), + Parent ! start, + io:format("Child waiting for table to be unfixed... mem=~p\n", + [ets:info(T, memory)]), + do_tc(fun() -> + repeat_while(fun()-> ets:info(T, fixed) end) + end, + fun(Elapsed) -> + io:format("Table unfixed in ~p ms." + " Child Fixating! mem=~p\n", + [Elapsed,ets:info(T,memory)]) + end), + true = ets:safe_fixtable(T,true), + repeat_while(fun(Key) when Key =< NumOfObjs -> + ets:delete(T,Key), {true,Key+1}; + (Key) -> {false,Key} + end, + Deleted), + 0 = ets:info(T,size), + true = get_kept_objects(T) >= Left, + done = receive_any() + end, + [link, monitor, {scheduler,2}]), ?line start = receive_any(), ?line true = ets:info(T,fixed), - io:format("Parent starting to unfix... ~p\n",[now()]), - ets:safe_fixtable(T,false), - io:format("Parent done with unfix. ~p\n",[now()]), + io:put_chars("Parent starting to unfix... ~p\n"), + do_tc(fun() -> + ets:safe_fixtable(T, false) + end, + fun(Elapsed) -> + io:format("Parent done with unfix in ~p ms.\n", + [Elapsed]) + end), Child ! done, {'DOWN', Mref, process, Child, normal} = receive_any(), ?line false = ets:info(T,fixed), @@ -5582,6 +5736,43 @@ ets_all_run() -> ets_all_run(). +take(Config) when is_list(Config) -> + %% Simple test for set tables. + T1 = ets_new(a, [set]), + [] = ets:take(T1, foo), + ets:insert(T1, {foo,bar}), + [] = ets:take(T1, bar), + [{foo,bar}] = ets:take(T1, foo), + [] = ets:tab2list(T1), + %% Non-immediate key. + ets:insert(T1, {{'not',<<"immediate">>},ok}), + [{{'not',<<"immediate">>},ok}] = ets:take(T1, {'not',<<"immediate">>}), + %% Same with ordered tables. + T2 = ets_new(b, [ordered_set]), + [] = ets:take(T2, foo), + ets:insert(T2, {foo,bar}), + [] = ets:take(T2, bar), + [{foo,bar}] = ets:take(T2, foo), + [] = ets:tab2list(T2), + ets:insert(T2, {{'not',<<"immediate">>},ok}), + [{{'not',<<"immediate">>},ok}] = ets:take(T2, {'not',<<"immediate">>}), + %% Arithmetically-equal keys. + ets:insert(T2, [{1.0,float},{2,integer}]), + [{1.0,float}] = ets:take(T2, 1), + [{2,integer}] = ets:take(T2, 2.0), + [] = ets:tab2list(T2), + %% Same with bag. + T3 = ets_new(c, [bag]), + ets:insert(T3, [{1,1},{1,2},{3,3}]), + [{1,1},{1,2}] = ets:take(T3, 1), + [{3,3}] = ets:take(T3, 3), + [] = ets:tab2list(T3), + ets:delete(T1), + ets:delete(T2), + ets:delete(T3), + ok. + + % % Utility functions: % @@ -6246,3 +6437,10 @@ repeat_for_opts_atom2list(compressed) -> [compressed,void]. ets_new(Name, Opts) -> %%ets:new(Name, [compressed | Opts]). ets:new(Name, Opts). + +do_tc(Do, Report) -> + T1 = erlang:monotonic_time(), + Do(), + T2 = erlang:monotonic_time(), + Elapsed = erlang:convert_time_unit(T2 - T1, native, milli_seconds), + Report(Elapsed). diff --git a/lib/stdlib/test/filelib_SUITE.erl b/lib/stdlib/test/filelib_SUITE.erl index bd313390b3..146d810189 100644 --- a/lib/stdlib/test/filelib_SUITE.erl +++ b/lib/stdlib/test/filelib_SUITE.erl @@ -77,7 +77,8 @@ wildcard_one(Config) when is_list(Config) -> L = filelib:wildcard(Wc), L = filelib:wildcard(Wc, erl_prim_loader), L = filelib:wildcard(Wc, "."), - L = filelib:wildcard(Wc, Dir) + L = filelib:wildcard(Wc, Dir), + L = filelib:wildcard(Wc, Dir++"/.") end), ?line file:set_cwd(OldCwd), ?line ok = file:del_dir(Dir), diff --git a/lib/stdlib/test/filename_SUITE.erl b/lib/stdlib/test/filename_SUITE.erl index ecd9cff9f9..70e7ad9788 100644 --- a/lib/stdlib/test/filename_SUITE.erl +++ b/lib/stdlib/test/filename_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2012. All Rights Reserved. +%% Copyright Ericsson AB 1997-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -287,38 +287,66 @@ extension(Config) when is_list(Config) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% join(Config) when is_list(Config) -> + %% Whenever joining two elements, test the equivalence between + %% join/1 and join/2 (OTP-12158) by using help function + %% filename_join/2. ?line "/" = filename:join(["/"]), ?line "/" = filename:join(["//"]), - ?line "usr/foo.erl" = filename:join("usr","foo.erl"), - ?line "/src/foo.erl" = filename:join(usr, "/src/foo.erl"), - ?line "/src/foo.erl" = filename:join(["/src/",'foo.erl']), - ?line "/src/foo.erl" = filename:join(usr, ["/sr", 'c/foo.erl']), - ?line "/src/foo.erl" = filename:join("usr", "/src/foo.erl"), + "usr/foo.erl" = filename_join("usr","foo.erl"), + "/src/foo.erl" = filename_join(usr, "/src/foo.erl"), + "/src/foo.erl" = filename_join("/src/",'foo.erl'), + "/src/foo.erl" = filename_join(usr, ["/sr", 'c/foo.erl']), + "/src/foo.erl" = filename_join("usr", "/src/foo.erl"), %% Make sure that redundant slashes work too. ?line "a/b/c/d/e/f/g" = filename:join(["a//b/c/////d//e/f/g"]), - ?line "a/b/c/d/e/f/g" = filename:join(["a//b/c/", "d//e/f/g"]), - ?line "a/b/c/d/e/f/g" = filename:join(["a//b/c", "d//e/f/g"]), - ?line "/d/e/f/g" = filename:join(["a//b/c", "/d//e/f/g"]), - ?line "/d/e/f/g" = filename:join(["a//b/c", "//d//e/f/g"]), - - ?line "foo/bar" = filename:join([$f,$o,$o,$/,[]], "bar"), + "a/b/c/d/e/f/g" = filename_join("a//b/c/", "d//e/f/g"), + "a/b/c/d/e/f/g" = filename_join("a//b/c", "d//e/f/g"), + "/d/e/f/g" = filename_join("a//b/c", "/d//e/f/g"), + "/d/e/f/g" = filename:join("a//b/c", "//d//e/f/g"), + + "foo/bar" = filename_join([$f,$o,$o,$/,[]], "bar"), + + %% Single dots - should be removed if in the middle of the path, + %% but not at the end of the path. + "/." = filename:join(["/."]), + "/" = filename:join(["/./"]), + "/." = filename:join(["/./."]), + "./." = filename:join(["./."]), + + "/a/b" = filename_join("/a/.","b"), + "/a/b/." = filename_join("/a/.","b/."), + "/a/." = filename_join("/a/.","."), + "/a/." = filename_join("/a","."), + "/a/." = filename_join("/a/.",""), + "./." = filename_join("./.","."), + "./." = filename_join("./","."), + "./." = filename_join("./.",""), + "." = filename_join(".",""), + "./." = filename_join(".","."), + + %% Trailing slash shall be removed - except the root + "/" = filename:join(["/"]), + "/" = filename:join(["/./"]), + "/a" = filename:join(["/a/"]), + "/b" = filename_join("/a/","/b/"), + "/a/b" = filename_join("/a/","b/"), ?line case os:type() of {win32, _} -> ?line "d:/" = filename:join(["D:/"]), ?line "d:/" = filename:join(["D:\\"]), - ?line "d:/abc" = filename:join(["D:/", "abc"]), - ?line "d:abc" = filename:join(["D:", "abc"]), + "d:/abc" = filename_join("D:/", "abc"), + "d:abc" = filename_join("D:", "abc"), ?line "a/b/c/d/e/f/g" = filename:join(["a//b\\c//\\/\\d/\\e/f\\g"]), ?line "a:usr/foo.erl" = filename:join(["A:","usr","foo.erl"]), ?line "/usr/foo.erl" = filename:join(["A:","/usr","foo.erl"]), - ?line "c:usr" = filename:join("A:","C:usr"), - ?line "a:usr" = filename:join("A:","usr"), - ?line "c:/usr" = filename:join("A:", "C:/usr"), + "c:usr" = filename_join("A:","C:usr"), + "a:usr" = filename_join("A:","usr"), + "c:/usr" = filename_join("A:", "C:/usr"), ?line "c:/usr/foo.erl" = filename:join(["A:","C:/usr","foo.erl"]), ?line "c:usr/foo.erl" = @@ -329,6 +357,11 @@ join(Config) when is_list(Config) -> ok end. +%% Make sure join([A,B]) is equivalent to join(A,B) (OTP-12158) +filename_join(A,B) -> + Res = filename:join(A,B), + Res = filename:join([A,B]). + pathtype(Config) when is_list(Config) -> ?line relative = filename:pathtype(".."), ?line relative = filename:pathtype("foo"), @@ -362,6 +395,8 @@ split(Config) when is_list(Config) -> ?line ["foo", "bar", "hello"]= filename:split("foo////bar//hello"), ?line ["foo", "bar", "hello"]= filename:split(["foo//",'//bar//h',"ello"]), ?line ["foo", "bar", "hello"]= filename:split(["foo//",'//bar//h'|ello]), + ["/"] = filename:split("/"), + [] = filename:split(""), case os:type() of {win32,_} -> ?line ["a:/","msdev","include"] = @@ -633,6 +668,53 @@ join_bin(Config) when is_list(Config) -> ?line <<"foo/bar">> = filename:join([$f,$o,$o,$/,[]], <<"bar">>), + %% Single dots - should be removed if in the middle of the path, + %% but not at the end of the path. + %% Also test equivalence between join/1 and join/2 (OTP-12158) + <<"/.">> = filename:join([<<"/.">>]), + <<"/">> = filename:join([<<"/./">>]), + <<"/.">> = filename:join([<<"/./.">>]), + <<"./.">> = filename:join([<<"./.">>]), + + <<"/a/b">> = filename:join([<<"/a/.">>,<<"b">>]), + <<"/a/b">> = filename:join(<<"/a/.">>,<<"b">>), + + <<"/a/b/.">> = filename:join([<<"/a/.">>,<<"b/.">>]), + <<"/a/b/.">> = filename:join(<<"/a/.">>,<<"b/.">>), + + <<"/a/.">> = filename:join([<<"/a/.">>,<<".">>]), + <<"/a/.">> = filename:join(<<"/a/.">>,<<".">>), + + <<"/a/.">> = filename:join([<<"/a">>,<<".">>]), + <<"/a/.">> = filename:join(<<"/a">>,<<".">>), + + <<"/a/.">> = filename:join([<<"/a/.">>,<<"">>]), + <<"/a/.">> = filename:join(<<"/a/.">>,<<"">>), + + <<"./.">> = filename:join([<<"./.">>,<<".">>]), + <<"./.">> = filename:join(<<"./.">>,<<".">>), + + <<"./.">> = filename:join([<<"./">>,<<".">>]), + <<"./.">> = filename:join(<<"./">>,<<".">>), + + <<"./.">> = filename:join([<<"./.">>,<<"">>]), + <<"./.">> = filename:join(<<"./.">>,<<"">>), + + <<".">> = filename:join([<<".">>,<<"">>]), + <<".">> = filename:join(<<".">>,<<"">>), + + <<"./.">> = filename:join([<<".">>,<<".">>]), + <<"./.">> = filename:join(<<".">>,<<".">>), + + %% Trailing slash shall be removed - except the root + <<"/">> = filename:join([<<"/">>]), + <<"/">> = filename:join([<<"/./">>]), + <<"/a">> = filename:join([<<"/a/">>]), + <<"/b">> = filename:join([<<"/a/">>,<<"/b/">>]), + <<"/b">> = filename:join(<<"/a/">>,<<"/b/">>), + <<"/a/b">> = filename:join([<<"/a/">>,<<"b/">>]), + <<"/a/b">> = filename:join(<<"/a/">>,<<"b/">>), + ?line case os:type() of {win32, _} -> ?line <<"d:/">> = filename:join([<<"D:/">>]), @@ -687,6 +769,8 @@ split_bin(Config) when is_list(Config) -> [<<"/">>,<<"usr">>,<<"local">>,<<"bin">>] = filename:split(<<"/usr/local/bin">>), [<<"foo">>,<<"bar">>]= filename:split(<<"foo/bar">>), [<<"foo">>, <<"bar">>, <<"hello">>]= filename:split(<<"foo////bar//hello">>), + [<<"/">>] = filename:split(<<"/">>), + [] = filename:split(<<"">>), case os:type() of {win32,_} -> [<<"a:/">>,<<"msdev">>,<<"include">>] = diff --git a/lib/stdlib/test/gen_event_SUITE.erl b/lib/stdlib/test/gen_event_SUITE.erl index 60a1ba8c60..6c28eb00c3 100644 --- a/lib/stdlib/test/gen_event_SUITE.erl +++ b/lib/stdlib/test/gen_event_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -106,7 +106,7 @@ start(Config) when is_list(Config) -> ?line {error, {already_started, _}} = gen_event:start({global, my_dummy_name}), - exit(Pid6, shutdown), + ok = gen_event:stop({global, my_dummy_name}, shutdown, 10000), receive {'EXIT', Pid6, shutdown} -> ok after 10000 -> @@ -131,90 +131,105 @@ start(Config) when is_list(Config) -> ok. -hibernate(suite) -> []; hibernate(Config) when is_list(Config) -> - ?line {ok,Pid} = gen_event:start({local, my_dummy_handler}), - ?line ok = gen_event:add_handler(my_dummy_handler, dummy_h, [self()]), - ?line [dummy_h] = gen_event:which_handlers(my_dummy_handler), - ?line true = gen_event:call(my_dummy_handler, dummy_h, hibernate), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line Pid ! wake, - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= - erlang:process_info(Pid,current_function)), - ?line later = gen_event:call(my_dummy_handler, dummy_h, hibernate_later), - ?line true = ({current_function,{erlang,hibernate,3}} =/= - erlang:process_info(Pid,current_function)), - ?line receive after 2000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line Pid ! wake, - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= - erlang:process_info(Pid,current_function)), - ?line gen_event:notify(my_dummy_handler,hibernate), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line gen_event:notify(my_dummy_handler,wakeup), - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= - erlang:process_info(Pid,current_function)), - ?line gen_event:notify(my_dummy_handler,hibernate), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line gen_event:sync_notify(my_dummy_handler,wakeup), - ?line true = ({current_function,{erlang,hibernate,3}} =/= - erlang:process_info(Pid,current_function)), - ?line ok = gen_event:sync_notify(my_dummy_handler,hibernate), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line Pid ! wake, - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= - erlang:process_info(Pid,current_function)), - ?line ok = gen_event:add_handler(my_dummy_handler, dummy1_h, [self()]), - ?line [_,_] = gen_event:which_handlers(my_dummy_handler), - ?line gen_event:notify(my_dummy_handler,hibernate), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line gen_event:notify(my_dummy_handler,wakeup), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line Pid ! wake, - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= - erlang:process_info(Pid,current_function)), - ?line Pid ! gnurf, - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line Pid ! sleep, - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line Pid ! wake, - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= - erlang:process_info(Pid,current_function)), - ?line ok = gen_event:stop(my_dummy_handler), - ?line {ok,Pid2} = gen_event:start({local, my_dummy_handler}), - ?line ok = gen_event:add_handler(my_dummy_handler, dummy_h, [self(),hibernate]), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid2,current_function), - ?line sys:suspend(my_dummy_handler), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid2,current_function), - ?line sys:resume(my_dummy_handler), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid2,current_function), - ?line Pid2 ! wake, - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= - erlang:process_info(Pid2,current_function)), + {ok,Pid} = gen_event:start({local, my_dummy_handler}), + ok = gen_event:add_handler(my_dummy_handler, dummy_h, [self()]), + [dummy_h] = gen_event:which_handlers(my_dummy_handler), + true = gen_event:call(my_dummy_handler, dummy_h, hibernate), + is_in_erlang_hibernate(Pid), + + Pid ! wake, + is_not_in_erlang_hibernate(Pid), + later = gen_event:call(my_dummy_handler, dummy_h, hibernate_later), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + is_in_erlang_hibernate(Pid), + + Pid ! wake, + is_not_in_erlang_hibernate(Pid), + gen_event:notify(my_dummy_handler, hibernate), + is_in_erlang_hibernate(Pid), + gen_event:notify(my_dummy_handler, wakeup), + is_not_in_erlang_hibernate(Pid), + gen_event:notify(my_dummy_handler, hibernate), + is_in_erlang_hibernate(Pid), + gen_event:sync_notify(my_dummy_handler, wakeup), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + ok = gen_event:sync_notify(my_dummy_handler, hibernate), + is_in_erlang_hibernate(Pid), + + Pid ! wake, + is_not_in_erlang_hibernate(Pid), + ok = gen_event:add_handler(my_dummy_handler, dummy1_h, [self()]), + [_,_] = gen_event:which_handlers(my_dummy_handler), + gen_event:notify(my_dummy_handler, hibernate), + is_in_erlang_hibernate(Pid), + gen_event:notify(my_dummy_handler, wakeup), + is_in_erlang_hibernate(Pid), + + Pid ! wake, + is_not_in_erlang_hibernate(Pid), + + Pid ! gnurf, + is_in_erlang_hibernate(Pid), + + Pid ! sleep, + is_in_erlang_hibernate(Pid), + + Pid ! wake, + is_not_in_erlang_hibernate(Pid), + ok = gen_event:stop(my_dummy_handler), + + {ok,Pid2} = gen_event:start({local, my_dummy_handler}), + ok = gen_event:add_handler(my_dummy_handler, dummy_h, + [self(),hibernate]), + is_in_erlang_hibernate(Pid2), + sys:suspend(my_dummy_handler), + is_in_erlang_hibernate(Pid2), + sys:resume(my_dummy_handler), + is_in_erlang_hibernate(Pid2), + + Pid2 ! wake, + is_not_in_erlang_hibernate(Pid2), - - ?line ok = gen_event:stop(my_dummy_handler), + ok = gen_event:stop(my_dummy_handler), ok. +is_in_erlang_hibernate(Pid) -> + receive after 1 -> ok end, + is_in_erlang_hibernate_1(200, Pid). + +is_in_erlang_hibernate_1(0, Pid) -> + io:format("~p\n", [erlang:process_info(Pid, current_function)]), + ?t:fail(not_in_erlang_hibernate_3); +is_in_erlang_hibernate_1(N, Pid) -> + {current_function,MFA} = erlang:process_info(Pid, current_function), + case MFA of + {erlang,hibernate,3} -> + ok; + _ -> + receive after 10 -> ok end, + is_in_erlang_hibernate_1(N-1, Pid) + end. + +is_not_in_erlang_hibernate(Pid) -> + receive after 1 -> ok end, + is_not_in_erlang_hibernate_1(200, Pid). + +is_not_in_erlang_hibernate_1(0, Pid) -> + io:format("~p\n", [erlang:process_info(Pid, current_function)]), + ?t:fail(not_in_erlang_hibernate_3); +is_not_in_erlang_hibernate_1(N, Pid) -> + {current_function,MFA} = erlang:process_info(Pid, current_function), + case MFA of + {erlang,hibernate,3} -> + receive after 10 -> ok end, + is_not_in_erlang_hibernate_1(N-1, Pid); + _ -> + ok + end. add_handler(doc) -> []; diff --git a/lib/stdlib/test/gen_fsm_SUITE.erl b/lib/stdlib/test/gen_fsm_SUITE.erl index 39f0442824..f003630535 100644 --- a/lib/stdlib/test/gen_fsm_SUITE.erl +++ b/lib/stdlib/test/gen_fsm_SUITE.erl @@ -27,6 +27,9 @@ -export([start1/1, start2/1, start3/1, start4/1, start5/1, start6/1, start7/1, start8/1, start9/1, start10/1, start11/1, start12/1]). +-export([stop1/1, stop2/1, stop3/1, stop4/1, stop5/1, stop6/1, stop7/1, + stop8/1, stop9/1, stop10/1]). + -export([ abnormal1/1, abnormal2/1]). -export([shutdown/1]). @@ -66,6 +69,8 @@ groups() -> [{start, [], [start1, start2, start3, start4, start5, start6, start7, start8, start9, start10, start11, start12]}, + {stop, [], + [stop1, stop2, stop3, stop4, stop5, stop6, stop7, stop8, stop9, stop10]}, {abnormal, [], [abnormal1, abnormal2]}, {sys, [], [sys1, call_format_status, error_format_status, terminate_crash_format, @@ -281,6 +286,105 @@ start12(Config) when is_list(Config) -> ok. +%% Anonymous, reason 'normal' +stop1(_Config) -> + {ok, Pid} = gen_fsm:start(?MODULE, [], []), + ok = gen_fsm:stop(Pid), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_fsm:stop(Pid)), + ok. + +%% Anonymous, other reason +stop2(_Config) -> + {ok,Pid} = gen_fsm:start(?MODULE, [], []), + ok = gen_fsm:stop(Pid, other_reason, infinity), + false = erlang:is_process_alive(Pid), + ok. + +%% Anonymous, invalid timeout +stop3(_Config) -> + {ok,Pid} = gen_fsm:start(?MODULE, [], []), + {'EXIT',_} = (catch gen_fsm:stop(Pid, other_reason, invalid_timeout)), + true = erlang:is_process_alive(Pid), + ok = gen_fsm:stop(Pid), + false = erlang:is_process_alive(Pid), + ok. + +%% Registered name +stop4(_Config) -> + {ok,Pid} = gen_fsm:start({local,to_stop},?MODULE, [], []), + ok = gen_fsm:stop(to_stop), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_fsm:stop(to_stop)), + ok. + +%% Registered name and local node +stop5(_Config) -> + {ok,Pid} = gen_fsm:start({local,to_stop},?MODULE, [], []), + ok = gen_fsm:stop({to_stop,node()}), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_fsm:stop({to_stop,node()})), + ok. + +%% Globally registered name +stop6(_Config) -> + {ok, Pid} = gen_fsm:start({global, to_stop}, ?MODULE, [], []), + ok = gen_fsm:stop({global,to_stop}), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_fsm:stop({global,to_stop})), + ok. + +%% 'via' registered name +stop7(_Config) -> + dummy_via:reset(), + {ok, Pid} = gen_fsm:start({via, dummy_via, to_stop}, + ?MODULE, [], []), + ok = gen_fsm:stop({via, dummy_via, to_stop}), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_fsm:stop({via, dummy_via, to_stop})), + ok. + +%% Anonymous on remote node +stop8(_Config) -> + {ok,Node} = test_server:start_node(gen_fsm_SUITE_stop8,slave,[]), + Dir = filename:dirname(code:which(?MODULE)), + rpc:call(Node,code,add_path,[Dir]), + {ok, Pid} = rpc:call(Node,gen_fsm,start,[?MODULE,[],[]]), + ok = gen_fsm:stop(Pid), + false = rpc:call(Node,erlang,is_process_alive,[Pid]), + {'EXIT',noproc} = (catch gen_fsm:stop(Pid)), + true = test_server:stop_node(Node), + {'EXIT',{{nodedown,Node},_}} = (catch gen_fsm:stop(Pid)), + ok. + +%% Registered name on remote node +stop9(_Config) -> + {ok,Node} = test_server:start_node(gen_fsm_SUITE_stop9,slave,[]), + Dir = filename:dirname(code:which(?MODULE)), + rpc:call(Node,code,add_path,[Dir]), + {ok, Pid} = rpc:call(Node,gen_fsm,start,[{local,to_stop},?MODULE,[],[]]), + ok = gen_fsm:stop({to_stop,Node}), + undefined = rpc:call(Node,erlang,whereis,[to_stop]), + false = rpc:call(Node,erlang,is_process_alive,[Pid]), + {'EXIT',noproc} = (catch gen_fsm:stop({to_stop,Node})), + true = test_server:stop_node(Node), + {'EXIT',{{nodedown,Node},_}} = (catch gen_fsm:stop({to_stop,Node})), + ok. + +%% Globally registered name on remote node +stop10(_Config) -> + {ok,Node} = test_server:start_node(gen_fsm_SUITE_stop10,slave,[]), + Dir = filename:dirname(code:which(?MODULE)), + rpc:call(Node,code,add_path,[Dir]), + {ok, Pid} = rpc:call(Node,gen_fsm,start,[{global,to_stop},?MODULE,[],[]]), + global:sync(), + ok = gen_fsm:stop({global,to_stop}), + false = rpc:call(Node,erlang,is_process_alive,[Pid]), + {'EXIT',noproc} = (catch gen_fsm:stop({global,to_stop})), + true = test_server:stop_node(Node), + {'EXIT',noproc} = (catch gen_fsm:stop({global,to_stop})), + ok. + %% Check that time outs in calls work abnormal1(suite) -> []; abnormal1(Config) when is_list(Config) -> @@ -492,129 +596,123 @@ replace_state(Config) when is_list(Config) -> ok. %% Hibernation -hibernate(suite) -> []; hibernate(Config) when is_list(Config) -> OldFl = process_flag(trap_exit, true), - ?line {ok, Pid0} = gen_fsm:start_link(?MODULE, hiber_now, []), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid0,current_function), - ?line stop_it(Pid0), + {ok, Pid0} = gen_fsm:start_link(?MODULE, hiber_now, []), + is_in_erlang_hibernate(Pid0), + stop_it(Pid0), test_server:messages_get(), - - ?line {ok, Pid} = gen_fsm:start_link(?MODULE, hiber, []), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line hibernating = gen_fsm:sync_send_event(Pid,hibernate_sync), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line good_morning = gen_fsm:sync_send_event(Pid,wakeup_sync), - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line hibernating = gen_fsm:sync_send_event(Pid,hibernate_sync), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line five_more = gen_fsm:sync_send_event(Pid,snooze_sync), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line good_morning = gen_fsm:sync_send_event(Pid,wakeup_sync), - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line ok = gen_fsm:send_event(Pid,hibernate_async), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line ok = gen_fsm:send_event(Pid,wakeup_async), - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line ok = gen_fsm:send_event(Pid,hibernate_async), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line ok = gen_fsm:send_event(Pid,snooze_async), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line ok = gen_fsm:send_event(Pid,wakeup_async), - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line Pid ! hibernate_later, - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line receive after 2000 -> ok end, - ?line ({current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function)), - ?line 'alive!' = gen_fsm:sync_send_event(Pid,'alive?'), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line Pid ! hibernate_now, - ?line receive after 1000 -> ok end, - ?line ({current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function)), - ?line 'alive!' = gen_fsm:sync_send_event(Pid,'alive?'), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - - - ?line hibernating = gen_fsm:sync_send_all_state_event(Pid,hibernate_sync), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line good_morning = gen_fsm:sync_send_all_state_event(Pid,wakeup_sync), - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line hibernating = gen_fsm:sync_send_all_state_event(Pid,hibernate_sync), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line five_more = gen_fsm:sync_send_all_state_event(Pid,snooze_sync), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line good_morning = gen_fsm:sync_send_all_state_event(Pid,wakeup_sync), - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line ok = gen_fsm:send_all_state_event(Pid,hibernate_async), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line ok = gen_fsm:send_all_state_event(Pid,wakeup_async), - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line ok = gen_fsm:send_all_state_event(Pid,hibernate_async), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line ok = gen_fsm:send_all_state_event(Pid,snooze_async), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line ok = gen_fsm:send_all_state_event(Pid,wakeup_async), - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - - ?line hibernating = gen_fsm:sync_send_all_state_event(Pid,hibernate_sync), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line sys:suspend(Pid), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line sys:resume(Pid), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = - erlang:process_info(Pid,current_function), - ?line good_morning = gen_fsm:sync_send_all_state_event(Pid,wakeup_sync), - ?line receive after 1000 -> ok end, - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line stop_it(Pid), + {ok, Pid} = gen_fsm:start_link(?MODULE, hiber, []), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid,current_function)), + hibernating = gen_fsm:sync_send_event(Pid, hibernate_sync), + is_in_erlang_hibernate(Pid), + good_morning = gen_fsm:sync_send_event(Pid, wakeup_sync), + is_not_in_erlang_hibernate(Pid), + hibernating = gen_fsm:sync_send_event(Pid, hibernate_sync), + is_in_erlang_hibernate(Pid), + five_more = gen_fsm:sync_send_event(Pid, snooze_sync), + is_in_erlang_hibernate(Pid), + good_morning = gen_fsm:sync_send_event(Pid, wakeup_sync), + is_not_in_erlang_hibernate(Pid), + ok = gen_fsm:send_event(Pid, hibernate_async), + is_in_erlang_hibernate(Pid), + ok = gen_fsm:send_event(Pid, wakeup_async), + is_not_in_erlang_hibernate(Pid), + ok = gen_fsm:send_event(Pid, hibernate_async), + is_in_erlang_hibernate(Pid), + ok = gen_fsm:send_event(Pid, snooze_async), + is_in_erlang_hibernate(Pid), + ok = gen_fsm:send_event(Pid, wakeup_async), + is_not_in_erlang_hibernate(Pid), + + Pid ! hibernate_later, + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + is_in_erlang_hibernate(Pid), + + 'alive!' = gen_fsm:sync_send_event(Pid,'alive?'), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + Pid ! hibernate_now, + is_in_erlang_hibernate(Pid), + + 'alive!' = gen_fsm:sync_send_event(Pid,'alive?'), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + + hibernating = gen_fsm:sync_send_all_state_event(Pid, hibernate_sync), + is_in_erlang_hibernate(Pid), + good_morning = gen_fsm:sync_send_all_state_event(Pid, wakeup_sync), + is_not_in_erlang_hibernate(Pid), + hibernating = gen_fsm:sync_send_all_state_event(Pid, hibernate_sync), + is_in_erlang_hibernate(Pid), + five_more = gen_fsm:sync_send_all_state_event(Pid, snooze_sync), + is_in_erlang_hibernate(Pid), + good_morning = gen_fsm:sync_send_all_state_event(Pid, wakeup_sync), + is_not_in_erlang_hibernate(Pid), + ok = gen_fsm:send_all_state_event(Pid, hibernate_async), + is_in_erlang_hibernate(Pid), + ok = gen_fsm:send_all_state_event(Pid, wakeup_async), + is_not_in_erlang_hibernate(Pid), + ok = gen_fsm:send_all_state_event(Pid, hibernate_async), + is_in_erlang_hibernate(Pid), + ok = gen_fsm:send_all_state_event(Pid, snooze_async), + is_in_erlang_hibernate(Pid), + ok = gen_fsm:send_all_state_event(Pid, wakeup_async), + is_not_in_erlang_hibernate(Pid), + + hibernating = gen_fsm:sync_send_all_state_event(Pid, hibernate_sync), + is_in_erlang_hibernate(Pid), + sys:suspend(Pid), + is_in_erlang_hibernate(Pid), + sys:resume(Pid), + is_in_erlang_hibernate(Pid), + receive after 1000 -> ok end, + is_in_erlang_hibernate(Pid), + + good_morning = gen_fsm:sync_send_all_state_event(Pid, wakeup_sync), + is_not_in_erlang_hibernate(Pid), + stop_it(Pid), test_server:messages_get(), process_flag(trap_exit, OldFl), ok. +is_in_erlang_hibernate(Pid) -> + receive after 1 -> ok end, + is_in_erlang_hibernate_1(200, Pid). + +is_in_erlang_hibernate_1(0, Pid) -> + io:format("~p\n", [erlang:process_info(Pid, current_function)]), + ?t:fail(not_in_erlang_hibernate_3); +is_in_erlang_hibernate_1(N, Pid) -> + {current_function,MFA} = erlang:process_info(Pid, current_function), + case MFA of + {erlang,hibernate,3} -> + ok; + _ -> + receive after 10 -> ok end, + is_in_erlang_hibernate_1(N-1, Pid) + end. +is_not_in_erlang_hibernate(Pid) -> + receive after 1 -> ok end, + is_not_in_erlang_hibernate_1(200, Pid). + +is_not_in_erlang_hibernate_1(0, Pid) -> + io:format("~p\n", [erlang:process_info(Pid, current_function)]), + ?t:fail(not_in_erlang_hibernate_3); +is_not_in_erlang_hibernate_1(N, Pid) -> + {current_function,MFA} = erlang:process_info(Pid, current_function), + case MFA of + {erlang,hibernate,3} -> + receive after 10 -> ok end, + is_not_in_erlang_hibernate_1(N-1, Pid); + _ -> + ok + end. %%sys1(suite) -> []; %%sys1(_) -> diff --git a/lib/stdlib/test/gen_server_SUITE.erl b/lib/stdlib/test/gen_server_SUITE.erl index 0f03fda30a..66341f495f 100644 --- a/lib/stdlib/test/gen_server_SUITE.erl +++ b/lib/stdlib/test/gen_server_SUITE.erl @@ -36,6 +36,9 @@ get_state/1, replace_state/1, call_with_huge_message_queue/1 ]). +-export([stop1/1, stop2/1, stop3/1, stop4/1, stop5/1, stop6/1, stop7/1, + stop8/1, stop9/1, stop10/1]). + % spawn export -export([spec_init_local/2, spec_init_global/2, spec_init_via/2, spec_init_default_timeout/2, spec_init_global_default_timeout/2, @@ -51,7 +54,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [start, crash, call, cast, cast_fast, info, abcast, + [start, {group,stop}, crash, call, cast, cast_fast, info, abcast, multicall, multicall_down, call_remote1, call_remote2, call_remote3, call_remote_n1, call_remote_n2, call_remote_n3, spec_init, @@ -63,7 +66,8 @@ all() -> call_with_huge_message_queue]. groups() -> - []. + [{stop, [], + [stop1, stop2, stop3, stop4, stop5, stop6, stop7, stop8, stop9, stop10]}]. init_per_suite(Config) -> Config. @@ -237,6 +241,105 @@ start(Config) when is_list(Config) -> process_flag(trap_exit, OldFl), ok. +%% Anonymous, reason 'normal' +stop1(_Config) -> + {ok, Pid} = gen_server:start(?MODULE, [], []), + ok = gen_server:stop(Pid), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_server:stop(Pid)), + ok. + +%% Anonymous, other reason +stop2(_Config) -> + {ok,Pid} = gen_server:start(?MODULE, [], []), + ok = gen_server:stop(Pid, other_reason, infinity), + false = erlang:is_process_alive(Pid), + ok. + +%% Anonymous, invalid timeout +stop3(_Config) -> + {ok,Pid} = gen_server:start(?MODULE, [], []), + {'EXIT',_} = (catch gen_server:stop(Pid, other_reason, invalid_timeout)), + true = erlang:is_process_alive(Pid), + ok = gen_server:stop(Pid), + false = erlang:is_process_alive(Pid), + ok. + +%% Registered name +stop4(_Config) -> + {ok,Pid} = gen_server:start({local,to_stop},?MODULE, [], []), + ok = gen_server:stop(to_stop), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_server:stop(to_stop)), + ok. + +%% Registered name and local node +stop5(_Config) -> + {ok,Pid} = gen_server:start({local,to_stop},?MODULE, [], []), + ok = gen_server:stop({to_stop,node()}), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_server:stop({to_stop,node()})), + ok. + +%% Globally registered name +stop6(_Config) -> + {ok, Pid} = gen_server:start({global, to_stop}, ?MODULE, [], []), + ok = gen_server:stop({global,to_stop}), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_server:stop({global,to_stop})), + ok. + +%% 'via' registered name +stop7(_Config) -> + dummy_via:reset(), + {ok, Pid} = gen_server:start({via, dummy_via, to_stop}, + ?MODULE, [], []), + ok = gen_server:stop({via, dummy_via, to_stop}), + false = erlang:is_process_alive(Pid), + {'EXIT',noproc} = (catch gen_server:stop({via, dummy_via, to_stop})), + ok. + +%% Anonymous on remote node +stop8(_Config) -> + {ok,Node} = test_server:start_node(gen_server_SUITE_stop8,slave,[]), + Dir = filename:dirname(code:which(?MODULE)), + rpc:call(Node,code,add_path,[Dir]), + {ok, Pid} = rpc:call(Node,gen_server,start,[?MODULE,[],[]]), + ok = gen_server:stop(Pid), + false = rpc:call(Node,erlang,is_process_alive,[Pid]), + {'EXIT',noproc} = (catch gen_server:stop(Pid)), + true = test_server:stop_node(Node), + {'EXIT',{{nodedown,Node},_}} = (catch gen_server:stop(Pid)), + ok. + +%% Registered name on remote node +stop9(_Config) -> + {ok,Node} = test_server:start_node(gen_server_SUITE_stop9,slave,[]), + Dir = filename:dirname(code:which(?MODULE)), + rpc:call(Node,code,add_path,[Dir]), + {ok, Pid} = rpc:call(Node,gen_server,start,[{local,to_stop},?MODULE,[],[]]), + ok = gen_server:stop({to_stop,Node}), + undefined = rpc:call(Node,erlang,whereis,[to_stop]), + false = rpc:call(Node,erlang,is_process_alive,[Pid]), + {'EXIT',noproc} = (catch gen_server:stop({to_stop,Node})), + true = test_server:stop_node(Node), + {'EXIT',{{nodedown,Node},_}} = (catch gen_server:stop({to_stop,Node})), + ok. + +%% Globally registered name on remote node +stop10(_Config) -> + {ok,Node} = test_server:start_node(gen_server_SUITE_stop10,slave,[]), + Dir = filename:dirname(code:which(?MODULE)), + rpc:call(Node,code,add_path,[Dir]), + {ok, Pid} = rpc:call(Node,gen_server,start,[{global,to_stop},?MODULE,[],[]]), + global:sync(), + ok = gen_server:stop({global,to_stop}), + false = rpc:call(Node,erlang,is_process_alive,[Pid]), + {'EXIT',noproc} = (catch gen_server:stop({global,to_stop})), + true = test_server:stop_node(Node), + {'EXIT',noproc} = (catch gen_server:stop({global,to_stop})), + ok. + crash(Config) when is_list(Config) -> ?line error_logger_forwarder:register(), @@ -538,15 +641,13 @@ info(Config) when is_list(Config) -> end, ok. -hibernate(suite) -> []; hibernate(Config) when is_list(Config) -> OldFl = process_flag(trap_exit, true), - ?line {ok, Pid0} = + {ok, Pid0} = gen_server:start_link({local, my_test_name_hibernate0}, - gen_server_SUITE, hibernate, []), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid0,current_function), - ?line ok = gen_server:call(my_test_name_hibernate0, stop), + gen_server_SUITE, hibernate, []), + is_in_erlang_hibernate(Pid0), + ok = gen_server:call(my_test_name_hibernate0, stop), receive {'EXIT', Pid0, stopped} -> ok @@ -554,70 +655,66 @@ hibernate(Config) when is_list(Config) -> test_server:fail(gen_server_did_not_die) end, - ?line {ok, Pid} = + {ok, Pid} = gen_server:start_link({local, my_test_name_hibernate}, - gen_server_SUITE, [], []), + gen_server_SUITE, [], []), - ?line ok = gen_server:call(my_test_name_hibernate, started_p), - ?line true = gen_server:call(my_test_name_hibernate, hibernate), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line Parent = self(), + ok = gen_server:call(my_test_name_hibernate, started_p), + true = gen_server:call(my_test_name_hibernate, hibernate), + is_in_erlang_hibernate(Pid), + Parent = self(), Fun = fun() -> - receive - go -> - ok - end, - receive - after 1000 -> - ok - end, - X = erlang:process_info(Pid,current_function), + receive go -> ok end, + receive after 1000 -> ok end, + X = erlang:process_info(Pid, current_function), Pid ! continue, Parent ! {result,X} end, - ?line Pid2 = spawn_link(Fun), - ?line true = gen_server:call(my_test_name_hibernate, {hibernate_noreply,Pid2}), - - ?line gen_server:cast(my_test_name_hibernate, hibernate_later), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line receive after 2000 -> ok end, - ?line ({current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function)), - ?line ok = gen_server:call(my_test_name_hibernate, started_p), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line gen_server:cast(my_test_name_hibernate, hibernate_now), - ?line receive after 1000 -> ok end, - ?line ({current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function)), - ?line ok = gen_server:call(my_test_name_hibernate, started_p), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line Pid ! hibernate_later, - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line receive after 2000 -> ok end, - ?line ({current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function)), - ?line ok = gen_server:call(my_test_name_hibernate, started_p), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line Pid ! hibernate_now, - ?line receive after 1000 -> ok end, - ?line ({current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function)), - ?line ok = gen_server:call(my_test_name_hibernate, started_p), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - ?line receive - {result,R} -> - ?line {current_function,{erlang,hibernate,3}} = R - end, - ?line true = gen_server:call(my_test_name_hibernate, hibernate), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line sys:suspend(my_test_name_hibernate), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line sys:resume(my_test_name_hibernate), - ?line receive after 1000 -> ok end, - ?line {current_function,{erlang,hibernate,3}} = erlang:process_info(Pid,current_function), - ?line ok = gen_server:call(my_test_name_hibernate, started_p), - ?line true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), - - ?line ok = gen_server:call(my_test_name_hibernate, stop), + Pid2 = spawn_link(Fun), + true = gen_server:call(my_test_name_hibernate, {hibernate_noreply,Pid2}), + + gen_server:cast(my_test_name_hibernate, hibernate_later), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + is_in_erlang_hibernate(Pid), + ok = gen_server:call(my_test_name_hibernate, started_p), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + + gen_server:cast(my_test_name_hibernate, hibernate_now), + is_in_erlang_hibernate(Pid), + ok = gen_server:call(my_test_name_hibernate, started_p), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + + Pid ! hibernate_later, + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + is_in_erlang_hibernate(Pid), + ok = gen_server:call(my_test_name_hibernate, started_p), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + + Pid ! hibernate_now, + is_in_erlang_hibernate(Pid), + ok = gen_server:call(my_test_name_hibernate, started_p), + true = ({current_function,{erlang,hibernate,3}} =/= + erlang:process_info(Pid, current_function)), + receive + {result,R} -> + {current_function,{erlang,hibernate,3}} = R + end, + + true = gen_server:call(my_test_name_hibernate, hibernate), + is_in_erlang_hibernate(Pid), + sys:suspend(my_test_name_hibernate), + is_in_erlang_hibernate(Pid), + sys:resume(my_test_name_hibernate), + is_in_erlang_hibernate(Pid), + ok = gen_server:call(my_test_name_hibernate, started_p), + true = ({current_function,{erlang,hibernate,3}} =/= erlang:process_info(Pid,current_function)), + + ok = gen_server:call(my_test_name_hibernate, stop), receive {'EXIT', Pid, stopped} -> ok @@ -627,6 +724,23 @@ hibernate(Config) when is_list(Config) -> process_flag(trap_exit, OldFl), ok. +is_in_erlang_hibernate(Pid) -> + receive after 1 -> ok end, + is_in_erlang_hibernate_1(200, Pid). + +is_in_erlang_hibernate_1(0, Pid) -> + io:format("~p\n", [erlang:process_info(Pid, current_function)]), + ?t:fail(not_in_erlang_hibernate_3); +is_in_erlang_hibernate_1(N, Pid) -> + {current_function,MFA} = erlang:process_info(Pid, current_function), + case MFA of + {erlang,hibernate,3} -> + ok; + _ -> + receive after 10 -> ok end, + is_in_erlang_hibernate_1(N-1, Pid) + end. + %% -------------------------------------- %% Test gen_server:abcast and handle_cast. %% Test all different return values from diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl index 2203dd8f51..8d53949c40 100644 --- a/lib/stdlib/test/io_SUITE.erl +++ b/lib/stdlib/test/io_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2013. All Rights Reserved. +%% Copyright Ericsson AB 1999-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -31,7 +31,7 @@ printable_range/1, io_lib_print_binary_depth_one/1, otp_10302/1, otp_10755/1, otp_10836/1, io_lib_width_too_small/1, - io_with_huge_message_queue/1]). + io_with_huge_message_queue/1, format_string/1]). -export([pretty/2]). @@ -71,7 +71,8 @@ all() -> io_fread_newlines, otp_8989, io_lib_fread_literal, printable_range, io_lib_print_binary_depth_one, otp_10302, otp_10755, otp_10836, - io_lib_width_too_small, io_with_huge_message_queue]. + io_lib_width_too_small, io_with_huge_message_queue, + format_string]. groups() -> []. @@ -1035,7 +1036,14 @@ rp(Term, Col, Ll, D, M, RF) -> lists:flatten(io_lib:format("~s", [R])). fmt(Fmt, Args) -> - lists:flatten(io_lib:format(Fmt, Args)). + FormatList = io_lib:scan_format(Fmt, Args), + {Fmt2, Args2} = io_lib:unscan_format(FormatList), + Chars1 = lists:flatten(io_lib:build_text(FormatList)), + Chars2 = lists:flatten(io_lib:format(Fmt2, Args2)), + Chars3 = lists:flatten(io_lib:format(Fmt, Args)), + Chars1 = Chars2, + Chars2 = Chars3, + Chars3. rfd(a, 0) -> []; @@ -2261,3 +2269,9 @@ writes(0, _) -> ok; writes(N, F1) -> file:write(F1, "hello\n"), writes(N - 1, F1). + +format_string(Config) -> + %% All but padding is tested by fmt/2. + "xxxxxxsssx" = fmt("~10.4.xs", ["sss"]), + "xxxxxxsssx" = fmt("~10.4.*s", [$x, "sss"]), + ok. diff --git a/lib/stdlib/test/io_proto_SUITE.erl b/lib/stdlib/test/io_proto_SUITE.erl index 76a8109a8d..78432789cd 100644 --- a/lib/stdlib/test/io_proto_SUITE.erl +++ b/lib/stdlib/test/io_proto_SUITE.erl @@ -69,12 +69,7 @@ init_per_testcase(_Case, Config) -> ?line Dog = ?t:timetrap(?default_timeout), - Term = case os:getenv("TERM") of - List when is_list(List) -> - List; - _ -> - "dumb" - end, + Term = os:getenv("TERM", "dumb"), os:putenv("TERM","vt100"), [{watchdog, Dog}, {term, Term} | Config]. end_per_testcase(_Case, Config) -> @@ -481,149 +476,182 @@ unicode_options(Config) when is_list(Config) -> ok. -unicode_options_gen(suite) -> - []; -unicode_options_gen(doc) -> - ["Tests various unicode options on random generated files"]; +%% Tests various unicode options on random generated files. unicode_options_gen(Config) when is_list(Config) -> - ?line random:seed(1240,900586,553728), - ?line PrivDir = ?config(priv_dir,Config), - ?line AllModes = [utf8,utf16,{utf16,big},{utf16,little},utf32,{utf32,big},{utf32,little}], - ?line FSize = 17*1024, - ?line NumItersRead = 2, - ?line NumItersWrite = 2, - ?line Dir = filename:join([PrivDir,"GENDATA1"]), - ?line file:make_dir(Dir), - - %dbg:tracer(process,{fun(A,_) -> erlang:display(A) end,true}), - %dbg:tpl(file_io_server,x), - %dbg:ctpl(file_io_server,cafu), - %dbg:tp(unicode,x), - - DoOneFile1 = fun(Encoding,N,M) -> - ?dbg({Encoding,M,N}), - io:format("Read test: Encoding ~p, Chunk size ~p, Iteration ~p~n",[Encoding,M,N]), - io:format(standard_error,"Read test: Encoding ~p, Chunk size ~p, Iteration ~p\r\n",[Encoding,M,N]), - ?line Fname = filename:join([Dir,"genfile_"++enc2str(Encoding)++"_"++integer_to_list(N)]), - ?dbg(?LINE), - ?line Ulist = random_unicode(FSize), - ?dbg(?LINE), - ?line my_write_file(Fname,Ulist,Encoding), - ?dbg(?LINE), - ?line {ok,F1} = file:open(Fname,[read,{encoding,Encoding}]), - - ?dbg(?LINE), - ?line Res1 = read_whole_file(fun(FD) -> io:get_line(FD,'') end,F1), - ?dbg(?LINE), - ?line Ulist = unicode:characters_to_list(Res1,unicode), - ?dbg(?LINE), - ?line file:close(F1), - ?line {ok,F2} = file:open(Fname, [read,binary,{encoding,Encoding}]), - ?line Res2 = read_whole_file(fun(FD) -> io:get_chars(FD,'',M) end,F2), - ?line Ulist = unicode:characters_to_list(Res2,unicode), - ?dbg(?LINE), - ?line file:close(F2), - ?line {ok,F3} = file:open(Fname, [read,binary,{encoding,Encoding}]), - ?dbg(?LINE), -%% case {Encoding,M,N} of -%% {{utf16,little},10,2} -> -%% dbg:p(F3,call); -%% _ -> -%% ok -%% end, - - ?line Res3 = read_whole_file(fun(FD) -> case io:fread(FD,'',"~ts") of {ok,D} -> D; O -> O end end, F3), - ?dbg(?LINE), - ?line Ulist2 = [ X || X <- Ulist, - X =/= $\n, X =/= $ ], - ?dbg(?LINE), - ?line Ulist2 = unicode:characters_to_list(Res3,unicode), - ?dbg(?LINE), - ?line file:close(F3), - ?line {ok,F4} = file:open(Fname, [read,{encoding,Encoding}]), - ?line Res4 = read_whole_file(fun(FD) -> case io:fread(FD,'',"~tc") of {ok,D} -> D; O -> O end end,F4), - ?line Ulist3 = [ X || X <- Ulist, - X =/= $\n ], - ?line Ulist3 = unicode:characters_to_list(Res4,unicode), - ?dbg(?LINE), - ?line file:close(F4), - ?line file:delete(Fname) - end, - - [ [ [ DoOneFile1(E,N,M) || E <- AllModes ] || M <- [10,1000,128,1024,8192,8193] ] || N <- lists:seq(1,NumItersRead)], - DoOneFile2 = fun(Encoding,N,M) -> - ?dbg({Encoding,M,N}), - io:format("Write test: Encoding ~p, Chunk size ~p, Iteration ~p~n",[Encoding,M,N]), - io:format(standard_error,"Write test: Encoding ~p, Chunk size ~p, Iteration ~p\r\n",[Encoding,M,N]), - ?line Fname = filename:join([Dir,"genfile_"++enc2str(Encoding)++"_"++integer_to_list(N)]), - ?dbg(?LINE), - ?line Ulist = random_unicode(FSize), - ?dbg(?LINE), - ?line {ok,F1} = file:open(Fname,[write,{encoding,Encoding}]), - ?line io:put_chars(F1,Ulist), - ?line file:close(F1), - ?line Ulist = my_read_file(Fname,Encoding), - ?line file:delete(Fname), - ?line {ok,F2} = file:open(Fname,[write,binary,{encoding,Encoding}]), - ?line io:put_chars(F2,Ulist), - ?line file:close(F2), - ?line Ulist = my_read_file(Fname,Encoding), - ?line file:delete(Fname), - ?line {ok,F3} = file:open(Fname,[write,{encoding,Encoding}]), - ?line LL = string:tokens(Ulist,"\n"), - ?line Ulist2 = lists:flatten(LL), - ?line [ io:format(F3,"~ts",[L]) || L <- LL ], - ?line file:close(F3), - ?line Ulist2 = my_read_file(Fname,Encoding), - ?line file:delete(Fname), - ?line {ok,F4} = file:open(Fname,[write,{encoding,Encoding}]), - ?line [ io:format(F4,"~tc",[C]) || C <- Ulist ], - ?line file:close(F4), - ?line Ulist = my_read_file(Fname,Encoding), - ?line file:delete(Fname), - ?line {ok,F5} = file:open(Fname,[write,{encoding,Encoding}]), - ?line io:put_chars(F5,unicode:characters_to_binary(Ulist)), - ?line file:close(F5), - ?line Ulist = my_read_file(Fname,Encoding), - ?line file:delete(Fname), - ok - end, - [ [ [ DoOneFile2(E,N,M) || E <- AllModes ] || M <- [10,1000,128,1024,8192,8193] ] || N <- lists:seq(1,NumItersWrite)], + random:seed(1240, 900586, 553728), + PrivDir = ?config(priv_dir, Config), + AllModes = [utf8,utf16,{utf16,big},{utf16,little}, + utf32,{utf32,big},{utf32,little}], + FSize = 9*1024, + NumItersRead = 2, + NumItersWrite = 2, + Dir = filename:join(PrivDir, "GENDATA1"), + file:make_dir(Dir), + + DoOneFile1 = + fun(Encoding, N, M) -> + ?dbg({Encoding,M,N}), + io:format("Read test: Encoding ~p, Chunk size ~p, Iteration ~p~n",[Encoding,M,N]), + io:format(standard_error, + "Read test: Encoding ~p, Chunk size ~p, Iteration ~p\r\n",[Encoding,M,N]), + Fname = filename:join(Dir, + "genfile_"++enc2str(Encoding)++ + "_"++integer_to_list(N)), + Ulist = random_unicode(FSize), + Bin = unicode:characters_to_binary(Ulist, utf8, Encoding), + ok = file:write_file(Fname, Bin), + + Read1 = fun(FD) -> io:get_line(FD, '') end, + Res1 = read_whole_file(Fname, + [read,read_ahead,{encoding,Encoding}], + Read1), + + Read2 = fun(FD) -> io:get_chars(FD, '', M) end, + Res2 = read_whole_file(Fname, + [read,binary, + read_ahead,{encoding,Encoding}], + Read2), + + Read3 = fun(FD) -> + case io:fread(FD, '', "~ts") of + {ok,D} -> D; + Other -> Other end + end, + Res3 = read_whole_file(Fname, + [read,binary, + read_ahead,{encoding,Encoding}], + Read3), + + Read4 = fun(FD) -> + case io:fread(FD, '', "~ts") of + {ok,D} -> D; + Other -> Other end + end, + Res4 = read_whole_file(Fname, + [read,read_ahead,{encoding,Encoding}], + Read4), + + Ulist2 = [X || X <- Ulist, X =/= $\n, X =/= $\s], + Ulist3 = [X || X <- Ulist, X =/= $\n], + Ulist = done(Res1), + Ulist = done(Res2), + Ulist2 = done(Res3), + Ulist3 = done(Res4), + + file:delete(Fname) + end, + [ [ [ DoOneFile1(E, N, M) || E <- AllModes ] || + M <- [10,1000,128,1024,8192,8193] ] || + N <- lists:seq(1, NumItersRead) ], + + DoOneFile2 = + fun(Encoding,N,M) -> + ?dbg({Encoding,M,N}), + io:format("Write test: Encoding ~p, Chunk size ~p, Iteration ~p~n",[Encoding,M,N]), + io:format(standard_error, + "Write test: Encoding ~p, Chunk size ~p, Iteration ~p\r\n",[Encoding,M,N]), + Fname = filename:join(Dir, + "genfile_"++enc2str(Encoding)++ + "_"++integer_to_list(N)), + Ulist = random_unicode(FSize), + + Res1 = write_read_file(Fname, 1, + [write], + Encoding, + fun(FD) -> io:put_chars(FD, Ulist) end), + + Res2 = write_read_file(Fname, 2, + [write,binary], + Encoding, + fun(FD) -> io:put_chars(FD, Ulist) end), + + Fun3 = fun(FD) -> + _ = [io:format(FD, "~tc", [C]) || C <- Ulist], + ok + end, + Res3 = write_read_file(Fname, 3, + [write], + Encoding, + Fun3), + + Fun4 = fun(FD) -> + io:put_chars(FD, + unicode:characters_to_binary(Ulist)) + end, + Res4 = write_read_file(Fname, 4, + [write], + Encoding, + Fun4), + + LL = string:tokens(Ulist, "\n"), + Fun5 = fun(FD) -> + _ = [io:format(FD, "~ts", [L]) || L <- LL], + ok + end, + Res5 = write_read_file(Fname, 5, + [write], + Encoding, + Fun5), + + Ulist2 = lists:flatten(LL), + ResBin = done(Res1), + ResBin = done(Res2), + ResBin = done(Res3), + ResBin = done(Res4), + Ulist = unicode:characters_to_list(ResBin, Encoding), + + ResBin2 = done(Res5), + Ulist2 = unicode:characters_to_list(ResBin2, Encoding), + + ok + end, + [ [ [ DoOneFile2(E, N, M) || E <- AllModes ] || + M <- [10,1000,128,1024,8192,8193] ] || + N <- lists:seq(1, NumItersWrite) ], ok. +read_whole_file(Fname, Options, Fun) -> + do(fun() -> + do_read_whole_file(Fname, Options, Fun) + end). +do_read_whole_file(Fname, Options, Fun) -> + {ok,F} = file:open(Fname, Options), + Res = do_read_whole_file_1(Fun, F), + ok = file:close(F), + unicode:characters_to_list(Res, unicode). - -read_whole_file(Fun,F) -> +do_read_whole_file_1(Fun, F) -> case Fun(F) of eof -> []; {error,Error} -> - ?dbg(Error), receive after 10000 -> ok end, exit(Error); Other -> - %?dbg(Other), - [Other | read_whole_file(Fun,F)] + [Other|do_read_whole_file_1(Fun, F)] end. - +write_read_file(Fname0, N, Options, Enc, Writer) -> + Fname = Fname0 ++ "_" ++ integer_to_list(N), + do(fun() -> + do_write_read_file(Fname, Options, Enc, Writer) + end). + +do_write_read_file(Fname, Options, Encoding, Writer) -> + {ok,F} = file:open(Fname, [{encoding,Encoding}|Options]), + Writer(F), + ok = file:close(F), + {ok,Bin} = file:read_file(Fname), + ok = file:delete(Fname), + Bin. + enc2str(Atom) when is_atom(Atom) -> atom_to_list(Atom); enc2str({A1,A2}) when is_atom(A1), is_atom(A2) -> atom_to_list(A1)++"_"++atom_to_list(A2). - - -my_write_file(Filename,UniList,Encoding) -> - Bin = unicode:characters_to_binary(UniList,utf8,Encoding), - file:write_file(Filename,Bin). - -my_read_file(Filename,Encoding) -> - {ok,Bin} = file:read_file(Filename), - unicode:characters_to_list(Bin,Encoding). - random_unicode(0) -> []; random_unicode(N) -> @@ -1738,8 +1766,7 @@ toerl_loop(Port,Acc) -> end. millistamp() -> - {Mega, Secs, Micros} = erlang:now(), - (Micros div 1000) + Secs * 1000 + Mega * 1000000000. + erlang:monotonic_time(milli_seconds). get_data_within(Port, X, Acc) when X =< 0 -> ?dbg({get_data_within, X, Acc, ?LINE}), @@ -1937,3 +1964,15 @@ chomp(<<Ch,Rest/binary>>) -> <<Ch,X/binary>>; chomp(Atom) -> Atom. + +do(Fun) -> + {_,Ref} = spawn_monitor(fun() -> + exit(Fun()) + end), + Ref. + +done(Ref) -> + receive + {'DOWN',Ref,process,_,Result} -> + Result + end. diff --git a/lib/stdlib/test/lists_SUITE.erl b/lib/stdlib/test/lists_SUITE.erl index f4589a8e24..01c138d94c 100644 --- a/lib/stdlib/test/lists_SUITE.erl +++ b/lib/stdlib/test/lists_SUITE.erl @@ -1704,7 +1704,7 @@ fun_pid(Fun) -> get_seed() -> case random:seed() of undefined -> - now(); + erlang:timestamp(); Tuple -> Tuple end. diff --git a/lib/stdlib/test/maps_SUITE.erl b/lib/stdlib/test/maps_SUITE.erl index dda20a615b..f8f241d834 100644 --- a/lib/stdlib/test/maps_SUITE.erl +++ b/lib/stdlib/test/maps_SUITE.erl @@ -34,13 +34,23 @@ -export([init_per_testcase/2]). -export([end_per_testcase/2]). --export([t_get_3/1,t_with_2/1,t_without_2/1]). +-export([t_get_3/1, t_filter_2/1, + t_fold_3/1,t_map_2/1,t_size_1/1, + t_with_2/1,t_without_2/1]). + +%-define(badmap(V,F,Args), {'EXIT', {{badmap,V}, [{maps,F,Args,_}|_]}}). +%-define(badarg(F,Args), {'EXIT', {badarg, [{maps,F,Args,_}|_]}}). +% silly broken hipe +-define(badmap(V,F,_Args), {'EXIT', {{badmap,V}, [{maps,F,_,_}|_]}}). +-define(badarg(F,_Args), {'EXIT', {badarg, [{maps,F,_,_}|_]}}). suite() -> [{ct_hooks, [ts_install_cth]}]. all() -> - [t_get_3,t_with_2,t_without_2]. + [t_get_3,t_filter_2, + t_fold_3,t_map_2,t_size_1, + t_with_2,t_without_2]. init_per_suite(Config) -> Config. @@ -63,6 +73,9 @@ t_get_3(Config) when is_list(Config) -> value1 = maps:get(key1, Map, DefaultValue), value2 = maps:get(key2, Map, DefaultValue), DefaultValue = maps:get(key3, Map, DefaultValue), + + %% error case + ?badmap(a,get,[[a,b],a,def]) = (catch maps:get([a,b],id(a),def)), ok. t_without_2(_Config) -> @@ -70,6 +83,11 @@ t_without_2(_Config) -> M0 = maps:from_list([{{k,I},{v,I}}||I<-lists:seq(1,100)]), M1 = maps:from_list([{{k,I},{v,I}}||I<-lists:seq(1,100) -- Ki]), M1 = maps:without([{k,I}||I <- Ki],M0), + + %% error case + ?badmap(a,without,[[a,b],a]) = (catch maps:without([a,b],id(a))), + ?badmap(a,without,[{a,b},a]) = (catch maps:without({a,b},id(a))), + ?badarg(without,[a,#{}]) = (catch maps:without(a,#{})), ok. t_with_2(_Config) -> @@ -77,4 +95,63 @@ t_with_2(_Config) -> M0 = maps:from_list([{{k,I},{v,I}}||I<-lists:seq(1,100)]), M1 = maps:from_list([{{k,I},{v,I}}||I<-Ki]), M1 = maps:with([{k,I}||I <- Ki],M0), + + %% error case + ?badmap(a,with,[[a,b],a]) = (catch maps:with([a,b],id(a))), + ?badmap(a,with,[{a,b},a]) = (catch maps:with({a,b},id(a))), + ?badarg(with,[a,#{}]) = (catch maps:with(a,#{})), + ok. + +t_filter_2(Config) when is_list(Config) -> + M = #{a => 2, b => 3, c=> 4, "a" => 1, "b" => 2, "c" => 4}, + Pred1 = fun(K,V) -> is_atom(K) andalso (V rem 2) =:= 0 end, + Pred2 = fun(K,V) -> is_list(K) andalso (V rem 2) =:= 0 end, + #{a := 2,c := 4} = maps:filter(Pred1,M), + #{"b" := 2,"c" := 4} = maps:filter(Pred2,M), + %% error case + ?badmap(a,filter,[_,a]) = (catch maps:filter(fun(_,_) -> ok end,id(a))), + ?badarg(filter,[<<>>,#{}]) = (catch maps:filter(id(<<>>),#{})), + ok. + +t_fold_3(Config) when is_list(Config) -> + Vs = lists:seq(1,200), + M0 = maps:from_list([{{k,I},I}||I<-Vs]), + #{ {k,1} := 1, {k,200} := 200} = M0, + Tot0 = lists:sum(Vs), + Tot1 = maps:fold(fun({k,_},V,A) -> A + V end, 0, M0), + true = Tot0 =:= Tot1, + + %% error case + ?badmap(a,fold,[_,0,a]) = (catch maps:fold(fun(_,_,_) -> ok end,0,id(a))), + ?badarg(fold,[<<>>,0,#{}]) = (catch maps:fold(id(<<>>),0,#{})), ok. + +t_map_2(Config) when is_list(Config) -> + Vs = lists:seq(1,200), + M0 = maps:from_list([{{k,I},I}||I<-Vs]), + #{ {k,1} := 1, {k,200} := 200} = M0, + M1 = maps:map(fun({k,_},V) -> V + 42 end, M0), + #{ {k,1} := 43, {k,200} := 242} = M1, + + %% error case + ?badmap(a,map,[_,a]) = (catch maps:map(fun(_,_) -> ok end, id(a))), + ?badarg(map,[<<>>,#{}]) = (catch maps:map(id(<<>>),#{})), + ok. + + +t_size_1(Config) when is_list(Config) -> + 0 = maps:size(#{}), + 10 = maps:size(maps:from_list([{{"k",I},I}||I<-lists:seq(1,10)])), + 20 = maps:size(maps:from_list([{{"k",I},I}||I<-lists:seq(1,20)])), + 30 = maps:size(maps:from_list([{{"k",I},I}||I<-lists:seq(1,30)])), + 40 = maps:size(maps:from_list([{{"k",I},I}||I<-lists:seq(1,40)])), + 50 = maps:size(maps:from_list([{{"k",I},I}||I<-lists:seq(1,50)])), + 60 = maps:size(maps:from_list([{{"k",I},I}||I<-lists:seq(1,60)])), + 600 = maps:size(maps:from_list([{{"k",I},I}||I<-lists:seq(1,600)])), + + %% error case + ?badmap(a,size,[a]) = (catch maps:size(id(a))), + ?badmap(<<>>,size,[<<>>]) = (catch maps:size(id(<<>>))), + ok. + +id(I) -> I. diff --git a/lib/stdlib/test/proc_lib_SUITE.erl b/lib/stdlib/test/proc_lib_SUITE.erl index 8dca69bac4..b6f1973a05 100644 --- a/lib/stdlib/test/proc_lib_SUITE.erl +++ b/lib/stdlib/test/proc_lib_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2012. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -27,7 +27,7 @@ init_per_group/2,end_per_group/2, crash/1, sync_start_nolink/1, sync_start_link/1, spawn_opt/1, sp1/0, sp2/0, sp3/1, sp4/2, sp5/1, - hibernate/1]). + hibernate/1, stop/1]). -export([ otp_6345/1, init_dont_hang/1]). -export([hib_loop/1, awaken/1]). @@ -38,6 +38,7 @@ -export([otp_6345_init/1, init_dont_hang_init/1]). +-export([system_terminate/4]). -ifdef(STANDALONE). -define(line, noop, ). @@ -49,7 +50,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [crash, {group, sync_start}, spawn_opt, hibernate, - {group, tickets}]. + {group, tickets}, stop]. groups() -> [{tickets, [], [otp_6345, init_dont_hang]}, @@ -361,10 +362,94 @@ init_dont_hang(Config) when is_list(Config) -> exit(Error) end. -init_dont_hang_init(Parent) -> +init_dont_hang_init(_Parent) -> 1 = 2. +%% Test proc_lib:stop/1,3 +stop(_Config) -> + Parent = self(), + SysMsgProc = + fun() -> + receive + {system,From,Request} -> + sys:handle_system_msg(Request,From,Parent,?MODULE,[],[]) + end + end, + + %% Normal case: + %% Process handles system message and terminated with given reason + Pid1 = proc_lib:spawn(SysMsgProc), + ok = proc_lib:stop(Pid1), + false = erlang:is_process_alive(Pid1), + + %% Process does not exit + {'EXIT',noproc} = (catch proc_lib:stop(Pid1)), + + %% Badly handled system message + DieProc = + fun() -> + receive + {system,_From,_Request} -> + exit(die) + end + end, + Pid2 = proc_lib:spawn(DieProc), + {'EXIT',{die,_}} = (catch proc_lib:stop(Pid2)), + + %% Hanging process => timeout + HangProc = + fun() -> + receive + {system,_From,_Request} -> + timer:sleep(5000) + end + end, + Pid3 = proc_lib:spawn(HangProc), + {'EXIT',timeout} = (catch proc_lib:stop(Pid3,normal,1000)), + + %% Success case with other reason than 'normal' + Pid4 = proc_lib:spawn(SysMsgProc), + ok = proc_lib:stop(Pid4,other_reason,infinity), + false = erlang:is_process_alive(Pid4), + + %% System message is handled, but process dies with other reason + %% than the given (in system_terminate/4 below) + Pid5 = proc_lib:spawn(SysMsgProc), + {'EXIT',{badmatch,2}} = (catch proc_lib:stop(Pid5,crash,infinity)), + false = erlang:is_process_alive(Pid5), + + %% Local registered name + Pid6 = proc_lib:spawn(SysMsgProc), + register(to_stop,Pid6), + ok = proc_lib:stop(to_stop), + undefined = whereis(to_stop), + false = erlang:is_process_alive(Pid6), + + %% Remote registered name + {ok,Node} = test_server:start_node(proc_lib_SUITE_stop,slave,[]), + Dir = filename:dirname(code:which(?MODULE)), + rpc:call(Node,code,add_path,[Dir]), + Pid7 = spawn(Node,SysMsgProc), + true = rpc:call(Node,erlang,register,[to_stop,Pid7]), + Pid7 = rpc:call(Node,erlang,whereis,[to_stop]), + ok = proc_lib:stop({to_stop,Node}), + undefined = rpc:call(Node,erlang,whereis,[to_stop]), + false = rpc:call(Node,erlang,is_process_alive,[Pid7]), + + %% Local and remote registered name, but non-existing + {'EXIT',noproc} = (catch proc_lib:stop(to_stop)), + {'EXIT',noproc} = (catch proc_lib:stop({to_stop,Node})), + + true = test_server:stop_node(Node), + + %% Remote registered name, but non-existing node + {'EXIT',{{nodedown,Node},_}} = (catch proc_lib:stop({to_stop,Node})), + ok. +system_terminate(crash,_Parent,_Deb,_State) -> + 1 = 2; +system_terminate(Reason,_Parent,_Deb,_State) -> + exit(Reason). %%----------------------------------------------------------------- %% The error_logger handler used. diff --git a/lib/stdlib/test/qlc_SUITE.erl b/lib/stdlib/test/qlc_SUITE.erl index 37fbb5267b..56829fac5c 100644 --- a/lib/stdlib/test/qlc_SUITE.erl +++ b/lib/stdlib/test/qlc_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2014. All Rights Reserved. +%% Copyright Ericsson AB 2004-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -396,7 +396,8 @@ nomatch(Config) when is_list(Config) -> qlc:q([3 || {3=4} <- []]). ">>, [], - {warnings,[{{2,27},qlc,nomatch_pattern}]}}, + %% {warnings,[{{2,27},qlc,nomatch_pattern}]}}, + {warnings,[{2,v3_core,nomatch}]}}, {nomatch2, <<"nomatch() -> @@ -407,7 +408,8 @@ nomatch(Config) when is_list(Config) -> end, [{1},{2}]). ">>, [], - {warnings,[{{3,33},qlc,nomatch_pattern}]}}, + %% {warnings,[{{3,33},qlc,nomatch_pattern}]}}, + {warnings,[{3,v3_core,nomatch}]}}, {nomatch3, <<"nomatch() -> @@ -419,7 +421,8 @@ nomatch(Config) when is_list(Config) -> end, [{1,2},{2,3}]). ">>, [], - {warnings,[{{3,52},qlc,nomatch_pattern}]}}, + %% {warnings,[{{3,52},qlc,nomatch_pattern}]}}, + {warnings,[{3,v3_core,nomatch}]}}, {nomatch4, <<"nomatch() -> @@ -2487,8 +2490,11 @@ info(Config) when is_list(Config) -> (catch qlc:info([X || {X} <- []], {n_elements, 0})), L = lists:seq(1, 1000), \"[1,2,3,4,5,6,7,8,9,10|'...']\" = qlc:info(L, {n_elements, 10}), - {cons,1,{integer,1,1},{atom,1,'...'}} = + {cons,A1,{integer,A2,1},{atom,A3,'...'}} = qlc:info(L, [{n_elements, 1},{format,abstract_code}]), + 1 = erl_anno:line(A1), + 1 = erl_anno:line(A2), + 1 = erl_anno:line(A3), Q = qlc:q([{X} || X <- [a,b,c,d,e,f]]), {call,_,_,[{cons,_,{atom,_,a},{cons,_,{atom,_,b},{cons,_,{atom,_,c}, {atom,_,'...'}}}}, @@ -2905,7 +2911,8 @@ lookup1(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{1},{a}])">>, - {warnings,[{{2,37},qlc,nomatch_pattern}]}}, + %% {warnings,[{{2,37},qlc,nomatch_pattern}]}}, + []}, <<"etsc(fun(E) -> Q = qlc:q([X || {X=X,Y=Y}={Y=Y,X=X} <- ets:table(E), @@ -2933,7 +2940,8 @@ lookup1(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{a},{b}])">>, - {warnings,[{{2,35},qlc,nomatch_pattern}]}}, + %% {warnings,[{{2,35},qlc,nomatch_pattern}]}}, + []}, {cres, <<"etsc(fun(E) -> @@ -2941,7 +2949,8 @@ lookup1(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{a},{b}])">>, - {warnings,[{{2,35},qlc,nomatch_pattern}]}}, + %% {warnings,[{{2,35},qlc,nomatch_pattern}]}}, + []}, <<"etsc(fun(E) -> Q = qlc:q([X || X = <<X>> <- ets:table(E)]), @@ -2988,7 +2997,8 @@ lookup1(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{a,b,c},{d,e,f}])">>, - {warnings,[{{2,34},qlc,nomatch_pattern}]}} + %% {warnings,[{{2,34},qlc,nomatch_pattern}]}} + []} ], ?line run(Config, Ts), @@ -3021,8 +3031,9 @@ lookup2(Config) when is_list(Config) -> end, [{3,true},{4,true}])">>, <<"%% Only guards are inspected. No lookup. - E1 = create_ets(1, 10), - E2 = ets:new(join, []), + E1 = ets:new(e, [ordered_set]), + true = ets:insert(E1, [{1,1}, {2,2}, {3,3}, {4,4}, {5,5}]), + E2 = ets:new(join, [ordered_set]), true = ets:insert(E2, [{true,1},{false,2}]), Q = qlc:q([{X,Z} || {_,X} <- ets:table(E1), {Y,Z} <- ets:table(E2), @@ -3051,7 +3062,8 @@ lookup2(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{1}, {2}])">>, - {warnings,[{{3,46},qlc,nomatch_filter}]}}, + %% {warnings,[{{3,46},qlc,nomatch_filter}]}}, + []}, {cres, <<"etsc(fun(E) -> @@ -3060,7 +3072,8 @@ lookup2(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{1}, {2}])">>, - {warnings,[{{3,43},qlc,nomatch_filter}]}}, + %% {warnings,[{{3,43},qlc,nomatch_filter}]}}, + []}, {cres, <<"etsc(fun(E) -> @@ -3069,7 +3082,8 @@ lookup2(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{1}, {2}])">>, - {warnings,[{{3,48},qlc,nomatch_filter}]}}, + %% {warnings,[{{3,48},qlc,nomatch_filter}]}}, + []}, <<"etsc(fun(E) -> Q = qlc:q([{X,Y} || {X,Y} <- ets:table(E), @@ -3084,7 +3098,8 @@ lookup2(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{[3]},{[3,4]}])">>, - {warnings,[{{2,61},qlc,nomatch_filter}]}}, + %% {warnings,[{{2,61},qlc,nomatch_filter}]}}, + []}, <<"etsc(fun(E) -> U = 18, @@ -3116,7 +3131,8 @@ lookup2(Config) when is_list(Config) -> [] = lists:sort(qlc:e(Q)), false = lookup_keys(Q) end, [{2},{3},{4},{8}])">>, - {warnings,[{{4,44},qlc,nomatch_filter}]}}, + %% {warnings,[{{4,44},qlc,nomatch_filter}]}}, + []}, {cres, <<"etsc(fun(E) -> @@ -3126,7 +3142,8 @@ lookup2(Config) when is_list(Config) -> [] = lists:sort(qlc:e(Q)), false = lookup_keys(Q) end, [{2},{3},{4},{8}])">>, - {warnings,[{{4,35},qlc,nomatch_filter}]}}, + %% {warnings,[{{4,35},qlc,nomatch_filter}]}}, + []}, <<"F = fun(U) -> Q = qlc:q([X || {X} <- [a,b,c], @@ -3142,7 +3159,8 @@ lookup2(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{1,1},{2,1}])">>, - {warnings,[{{2,61},qlc,nomatch_filter}]}}, + %% {warnings,[{{2,61},qlc,nomatch_filter}]}}, + []}, <<"Two = 2.0, etsc(fun(E) -> @@ -3203,8 +3221,10 @@ lookup2(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{1,b},{2,3}])">>, + %% {warnings,[{2,sys_core_fold,nomatch_guard}, + %% {3,qlc,nomatch_filter}, + %% {3,sys_core_fold,{eval_failure,badarg}}]}}, {warnings,[{2,sys_core_fold,nomatch_guard}, - {3,qlc,nomatch_filter}, {3,sys_core_fold,{eval_failure,badarg}}]}}, <<"etsc(fun(E) -> @@ -3227,7 +3247,8 @@ lookup2(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{{1}},{{2}}])">>, - {warnings,[{{4,47},qlc,nomatch_filter}]}}, + %% {warnings,[{{4,47},qlc,nomatch_filter}]}}, + []}, {cres, <<"etsc(fun(E) -> @@ -3237,7 +3258,8 @@ lookup2(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{{1}},{{2}}])">>, - {warnings,[{{4,47},qlc,nomatch_filter}]}}, + %% {warnings,[{{4,47},qlc,nomatch_filter}]}}, + []}, <<"etsc(fun(E) -> Q = qlc:q([X || {X} <- ets:table(E), @@ -3297,7 +3319,8 @@ lookup2(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{3}, {4}])">>, - {warnings,[{{3,44},qlc,nomatch_filter}]}}, + %% {warnings,[{{3,44},qlc,nomatch_filter}]}}, + []}, <<"etsc(fun(E) -> Q = qlc:q([X || {{X,Y}} <- ets:table(E), @@ -3418,7 +3441,8 @@ lookup2(Config) when is_list(Config) -> end, [{1},{2}])">> ], - ?line run(Config, Ts), + + ok = run(Config, Ts), TsR = [ %% is_record/2,3: @@ -3456,7 +3480,8 @@ lookup2(Config) when is_list(Config) -> end, [{keypos,1}], [#r{}])">> ], - ?line run(Config, <<"-record(r, {a}).\n">>, TsR), + + ok = run(Config, <<"-record(r, {a}).\n">>, TsR), Ts2 = [ <<"etsc(fun(E) -> @@ -3566,7 +3591,6 @@ lookup2(Config) when is_list(Config) -> [{1,2},{2,2}] = qlc:e(Q), [2] = lookup_keys(Q) end, [{keypos,1}], [{1},{2},{3}])">>, - <<"%% Matchspec only. No cache. etsc(fun(E) -> Q = qlc:q([{X,Y} || @@ -3578,7 +3602,7 @@ lookup2(Config) when is_list(Config) -> {generate,_, {table,{ets,_,[_,[{traverse,_}]]}}}],[]} = i(Q), - [{1,2},{1,3},{2,2},{2,3}] = qlc:e(Q), + [{1,2},{1,3},{2,2},{2,3}] = lists:sort(qlc:e(Q)), false = lookup_keys(Q) end, [{keypos,1}], [{1},{2},{3}])">>, <<"%% Matchspec only. Cache @@ -3592,7 +3616,7 @@ lookup2(Config) when is_list(Config) -> {generate,_,{qlc,_, [{generate,_,{table,{ets,_,[_,[{traverse,_}]]}}}], [{cache,ets}]}}],[]} = i(Q), - [{1,2},{1,3},{2,2},{2,3}] = qlc:e(Q), + [{1,2},{1,3},{2,2},{2,3}] = lists:sort(qlc:e(Q)), false = lookup_keys(Q) end, [{keypos,1}], [{1},{2},{3}])">>, <<"%% An empty list. Always unique and cached. @@ -3645,7 +3669,7 @@ lookup2(Config) when is_list(Config) -> ], - ?line run(Config, Ts2), + ok = run(Config, Ts2), LTs = [ <<"etsc(fun(E) -> @@ -3677,7 +3701,8 @@ lookup2(Config) when is_list(Config) -> end, [{1,a},{2,b}])">> ], - ?line run(Config, LTs), + + ok = run(Config, LTs), ok. @@ -3700,7 +3725,8 @@ lookup_rec(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{keypos,2}], [#r{a = 17}, #r{a = 3}, #r{a = 5}])">>, - {warnings,[{{4,44},qlc,nomatch_filter}]}}, + %% {warnings,[{{4,44},qlc,nomatch_filter}]}}, + []}, <<"%% Compares an integer and a float. etsc(fun(E) -> @@ -4004,7 +4030,8 @@ skip_filters(Config) when is_list(Config) -> [] = qlc:e(Q), false = lookup_keys(Q) end, [{1,1},{2,0}])">>, - {warnings,[{{4,37},qlc,nomatch_filter}]}}, + %% {warnings,[{{4,37},qlc,nomatch_filter}]}}, + []}, <<"etsc(fun(E) -> Q = qlc:q([{A,B,C} || @@ -6093,7 +6120,7 @@ otp_6964(Config) when is_list(Config) -> lists:flatten(qlc:format_error(ErrReply)), qlc_SUITE:install_error_logger(), 20000 = length(F(warning_msg)), - {error, joining} = qlc_SUITE:read_error_logger(), + {warning, joining} = qlc_SUITE:read_error_logger(), 20000 = length(F(info_msg)), {info, joining} = qlc_SUITE:read_error_logger(), 20000 = length(F(error_msg)), @@ -6128,8 +6155,8 @@ otp_6964(Config) when is_list(Config) -> {error, caching} = qlc_SUITE:read_error_logger(), {error, caching} = qlc_SUITE:read_error_logger(), 1 = length(F(warning_msg)), - {error, caching} = qlc_SUITE:read_error_logger(), - {error, caching} = qlc_SUITE:read_error_logger(), + {warning, caching} = qlc_SUITE:read_error_logger(), + {warning, caching} = qlc_SUITE:read_error_logger(), 1 = length(F(info_msg)), {info, caching} = qlc_SUITE:read_error_logger(), {info, caching} = qlc_SUITE:read_error_logger(), @@ -6161,7 +6188,7 @@ otp_6964(Config) when is_list(Config) -> L = F(info_msg), {info, sorting} = qlc_SUITE:read_error_logger(), L = F(warning_msg), - {error, sorting} = qlc_SUITE:read_error_logger(), + {warning, sorting} = qlc_SUITE:read_error_logger(), qlc_SUITE:uninstall_error_logger(), ets:delete(E1), ets:delete(E2)">>], @@ -6188,7 +6215,7 @@ otp_6964(Config) when is_list(Config) -> R = lists:sort(F(error_msg)), {error, caching} = qlc_SUITE:read_error_logger(), R = lists:sort(F(warning_msg)), - {error, caching} = qlc_SUITE:read_error_logger(), + {warning, caching} = qlc_SUITE:read_error_logger(), qlc_SUITE:uninstall_error_logger(), ErrReply = F(not_allowed), {error,qlc,{tmpdir_usage,caching}} = ErrReply, @@ -6217,8 +6244,9 @@ otp_7238(Config) when is_list(Config) -> <<"nomatch_1() -> {qlc:q([X || X={X} <- []]), [t || \"a\"=\"b\" <- []]}.">>, [], - {warnings,[{{2,30},qlc,nomatch_pattern}, - {{2,44},v3_core,nomatch}]}}, + %% {warnings,[{{2,30},qlc,nomatch_pattern}, + %% {{2,44},v3_core,nomatch}]}}, + {warnings,[{2,v3_core,nomatch}]}}, %% Not found by qlc... {nomatch_2, @@ -6231,7 +6259,8 @@ otp_7238(Config) when is_list(Config) -> <<"nomatch_3() -> qlc:q([t || [$a, $b] = \"ba\" <- []]).">>, [], - {warnings,[{{2,37},qlc,nomatch_pattern}]}}, + %% {warnings,[{{2,37},qlc,nomatch_pattern}]}}, + {warnings,[{2,v3_core,nomatch}]}}, %% Not found by qlc... {nomatch_4, @@ -6252,44 +6281,51 @@ otp_7238(Config) when is_list(Config) -> qlc:q([X || X <- [], X =:= {X}]).">>, [], - {warnings,[{{3,30},qlc,nomatch_filter}]}}, + %% {warnings,[{{3,30},qlc,nomatch_filter}]}}, + []}, {nomatch_7, <<"nomatch_7() -> qlc:q([X || {X=Y,{Y}=X} <- []]).">>, [], - {warnings,[{{2,28},qlc,nomatch_pattern}]}}, + %% {warnings,[{{2,28},qlc,nomatch_pattern}]}}, + []}, {nomatch_8, <<"nomatch_8() -> qlc:q([X || {X={},X=[]} <- []]).">>, [], - {warnings,[{{2,28},qlc,nomatch_pattern}]}}, + %% {warnings,[{{2,28},qlc,nomatch_pattern}]}}, + []}, {nomatch_9, <<"nomatch_9() -> qlc:q([X || X <- [], X =:= {}, X =:= []]).">>, [], - {warnings,[{{2,49},qlc,nomatch_filter}]}}, + %% {warnings,[{{2,49},qlc,nomatch_filter}]}}, + []}, {nomatch_10, <<"nomatch_10() -> qlc:q([X || X <- [], ((X =:= 1) or (X =:= 2)) and (X =:= 3)]).">>, [], - {warnings,[{{3,53},qlc,nomatch_filter}]}}, + %% {warnings,[{{3,53},qlc,nomatch_filter}]}}, + []}, {nomatch_11, <<"nomatch_11() -> qlc:q([X || X <- [], x =:= []]).">>, [], - {warnings,[{{2,39},qlc,nomatch_filter}]}}, + %% {warnings,[{{2,39},qlc,nomatch_filter}]}}, + {warnings,[{2,sys_core_fold,nomatch_guard}]}}, {nomatch_12, <<"nomatch_12() -> qlc:q([X || X={} <- [], X =:= []]).">>, [], - {warnings,[{{2,42},qlc,nomatch_filter}]}}, + %% {warnings,[{{2,42},qlc,nomatch_filter}]}}, + []}, {nomatch_13, <<"nomatch_13() -> @@ -6297,8 +6333,9 @@ otp_7238(Config) when is_list(Config) -> X={X} <- [], Y={Y} <- []]).">>, [], - {warnings,[{{3,29},qlc,nomatch_pattern}, - {{4,29},qlc,nomatch_pattern}]}}, + %% {warnings,[{{3,29},qlc,nomatch_pattern}, + %% {{4,29},qlc,nomatch_pattern}]}}, + []}, {nomatch_14, <<"nomatch_14() -> @@ -6306,7 +6343,8 @@ otp_7238(Config) when is_list(Config) -> 1 > 0, 1 > X]).">>, [], - {warnings,[{{2,29},qlc,nomatch_pattern}]}}, + %% {warnings,[{{2,29},qlc,nomatch_pattern}]}}, + []}, {nomatch_15, <<"nomatch_15() -> @@ -6315,7 +6353,8 @@ otp_7238(Config) when is_list(Config) -> 1 > 0, 1 > X]).">>, [], - {warnings,[{{2,32},qlc,nomatch_pattern}]}}, + %% {warnings,[{{2,32},qlc,nomatch_pattern}]}}, + []}, %% Template warning. {nomatch_template1, @@ -6553,18 +6592,19 @@ otp_7238(Config) when is_list(Config) -> ?line run(Config, T2), T3 = [ - {nomatch_6, - <<"nomatch_6() -> - qlc:q([X || X <- [], - X =:= {X}]).">>, - [], - {[],["filter evaluates to 'false'"]}}, - - {nomatch_7, - <<"nomatch_7() -> - qlc:q([X || {X=Y,{Y}=X} <- []]).">>, - [], - {[],["pattern cannot possibly match"]}}], +%% {nomatch_6, +%% <<"nomatch_6() -> +%% qlc:q([X || X <- [], +%% X =:= {X}]).">>, +%% [], +%% {[],["filter evaluates to 'false'"]}}, + +%% {nomatch_7, +%% <<"nomatch_7() -> +%% qlc:q([X || {X=Y,{Y}=X} <- []]).">>, +%% [], +%% {[],["pattern cannot possibly match"]}} + ], ?line compile_format(Config, T3), %% *Very* simple test - just check that it doesn't crash. @@ -6822,7 +6862,8 @@ otp_6674(Config) when is_list(Config) -> A == 192, B =:= 192.0, {Y} <- [{0},{1},{2}], X == Y]), - {block,0, + A0 = erl_anno:new(0), + {block,A0, [{match,_,_, {call,_,_, [{lc,_,_, @@ -7392,7 +7433,8 @@ try_old_join_info(Config) -> {ok, M} = compile:file(File, [{outdir, ?datadir}]), {module, M} = code:load_abs(filename:rootname(File)), H = M:create_handle(), - {block,0, + A0 = erl_anno:new(0), + {block,A0, [{match,_,_, {call,_,_, [{lc,_,_, @@ -7772,8 +7814,8 @@ table(List, Indices, KeyPos, ParentFun) -> end, FormatFun = fun(all) -> - L = 17, - {call,L,{remote,L,{atom,1,?MODULE},{atom,L,the_list}}, + L = erl_anno:new(17), + {call,L,{remote,L,{atom,L,?MODULE},{atom,L,the_list}}, [erl_parse:abstract(List, 17)]}; ({lookup, Column, Values}) -> {?MODULE, list_keys, [Values, Column, List]} @@ -7891,7 +7933,7 @@ run_test(Config, Extra, {cres, Body, Opts, ExpectedCompileReturn}) -> {module, _} = code:load_abs(AbsFile, Mod), Ms0 = erlang:process_info(self(),messages), - Before = {get(), pps(), ets:all(), Ms0}, + Before = {{get(), ets:all(), Ms0}, pps()}, %% Prepare the check that the qlc module does not call qlc_pt. _ = [unload_pt() || {file, Name} <- [code:is_loaded(qlc_pt)], @@ -7921,12 +7963,29 @@ run_test(Config, Extra, {cres, Body, Opts, ExpectedCompileReturn}) -> run_test(Config, Extra, Body) -> run_test(Config, Extra, {cres,Body,[]}). -wait_for_expected(R, Before, SourceFile, Wait) -> +wait_for_expected(R, {Strict0,PPS0}=Before, SourceFile, Wait) -> Ms = erlang:process_info(self(),messages), - After = {get(), pps(), ets:all(), Ms}, + After = {_,PPS1} = {{get(), ets:all(), Ms}, pps()}, case {R, After} of {ok, Before} -> ok; + {ok, {Strict0,_}} -> + {Ports0,Procs0} = PPS0, + {Ports1,Procs1} = PPS1, + case {Ports1 -- Ports0, Procs1 -- Procs0} of + {[], []} -> ok; + _ when Wait -> + timer:sleep(1000), + wait_for_expected(R, Before, SourceFile, false); + {PortsDiff,ProcsDiff} -> + io:format("failure, got ~p~n, expected ~p\n", + [PPS1, PPS0]), + show("Old port", Ports0 -- Ports1), + show("New port", PortsDiff), + show("Old proc", Procs0 -- Procs1), + show("New proc", ProcsDiff), + fail(SourceFile) + end; _ when Wait -> timer:sleep(1000), wait_for_expected(R, Before, SourceFile, false); @@ -7993,7 +8052,7 @@ compile_file(Config, Test0, Opts0) -> case compile:file(File, Opts) of {ok, _M, Ws} -> warnings(File, Ws); {error, [{File,Es}], []} -> {errors, Es, []}; - {error, [{File,Es}], [{File,Ws}]} -> {error, Es, Ws} + {error, [{File,Es}], [{File,Ws}]} -> {errors, Es, Ws} end. comp_compare(T, T) -> @@ -8058,6 +8117,17 @@ filename(Name, Config) when is_atom(Name) -> filename(Name, Config) -> filename:join(?privdir, Name). +show(_S, []) -> + ok; +show(S, [{Pid, Name, InitCall}|Pids]) when is_pid(Pid) -> + io:format("~s: ~w (~w), ~w: ~p~n", + [S, Pid, proc_reg_name(Name), InitCall, + erlang:process_info(Pid)]), + show(S, Pids); +show(S, [{Port, _}|Ports]) when is_port(Port)-> + io:format("~s: ~w: ~p~n", [S, Port, erlang:port_info(Port)]), + show(S, Ports). + pps() -> {port_list(), process_list()}. @@ -8070,6 +8140,9 @@ process_list() -> safe_second_element(process_info(P, initial_call))} || P <- processes(), is_process_alive(P)]. +proc_reg_name({registered_name, Name}) -> Name; +proc_reg_name([]) -> no_reg_name. + safe_second_element({_,Info}) -> Info; safe_second_element(Other) -> Other. @@ -8105,6 +8178,8 @@ read_error_logger() -> {error, Why}; {info, Why} -> {info, Why}; + {warning, Why} -> + {warning, Why}; {error, Pid, Tuple} -> {error, Pid, Tuple} after 1000 -> @@ -8119,8 +8194,7 @@ read_error_logger() -> init(Tester) -> {ok, Tester}. -handle_event({error, _GL, {_Pid, _Msg, [Why, _]}}, Tester) - when is_atom(Why) -> +handle_event({error, _GL, {_Pid, _Msg, [Why, _]}}, Tester) when is_atom(Why) -> Tester ! {error, Why}, {ok, Tester}; handle_event({error, _GL, {_Pid, _Msg, [P, T]}}, Tester) when is_pid(P) -> @@ -8129,6 +8203,9 @@ handle_event({error, _GL, {_Pid, _Msg, [P, T]}}, Tester) when is_pid(P) -> handle_event({info_msg, _GL, {_Pid, _Msg, [Why, _]}}, Tester) -> Tester ! {info, Why}, {ok, Tester}; +handle_event({warning_msg, _GL, {_Pid, _Msg, [Why, _]}}, Tester) when is_atom(Why) -> + Tester ! {warning, Why}, + {ok, Tester}; handle_event(_Event, State) -> {ok, State}. diff --git a/lib/stdlib/test/rand_SUITE.erl b/lib/stdlib/test/rand_SUITE.erl new file mode 100644 index 0000000000..39ce1bd89a --- /dev/null +++ b/lib/stdlib/test/rand_SUITE.erl @@ -0,0 +1,527 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2000-2011. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% + +-module(rand_SUITE). +-export([all/0, suite/0,groups/0, + init_per_suite/1, end_per_suite/1, + init_per_group/2,end_per_group/2, + init_per_testcase/2, end_per_testcase/2 + ]). + +-export([interval_int/1, interval_float/1, seed/1, + api_eq/1, reference/1, basic_stats/1, + plugin/1, measure/1 + ]). + +-export([test/0, gen/1]). + +-include_lib("test_server/include/test_server.hrl"). + +% Default timetrap timeout (set in init_per_testcase). +-define(default_timeout, ?t:minutes(3)). +-define(LOOP, 1000000). + +init_per_testcase(_Case, Config) -> + Dog = ?t:timetrap(?default_timeout), + [{watchdog, Dog} | Config]. +end_per_testcase(_Case, Config) -> + Dog = ?config(watchdog, Config), + test_server:timetrap_cancel(Dog), + ok. + +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> + [seed, interval_int, interval_float, + api_eq, + reference, + basic_stats, + plugin, measure + ]. + +groups() -> []. + +init_per_suite(Config) -> Config. +end_per_suite(_Config) -> ok. + +init_per_group(_GroupName, Config) -> Config. +end_per_group(_GroupName, Config) -> Config. + +%% A simple helper to test without test_server during dev +test() -> + Tests = all(), + lists:foreach(fun(Test) -> + try + ok = ?MODULE:Test([]), + io:format("~p: ok~n", [Test]) + catch _:Reason -> + io:format("Failed: ~p: ~p ~p~n", + [Test, Reason, erlang:get_stacktrace()]) + end + end, Tests). + +algs() -> + [exs64, exsplus, exs1024]. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +seed(doc) -> + ["Test that seed and seed_s and export_seed/0 is working."]; +seed(suite) -> + []; +seed(Config) when is_list(Config) -> + Algs = algs(), + Test = fun(Alg) -> + try seed_1(Alg) + catch _:Reason -> + test_server:fail({Alg, Reason, erlang:get_stacktrace()}) + end + end, + [Test(Alg) || Alg <- Algs], + ok. + +seed_1(Alg) -> + %% Check that uniform seeds automatically, + _ = rand:uniform(), + S00 = get(rand_seed), + erase(), + _ = rand:uniform(), + false = S00 =:= get(rand_seed), %% hopefully + + %% Choosing algo and seed + S0 = rand:seed(Alg, {0, 0, 0}), + %% Check that (documented?) process_dict variable is correct + S0 = get(rand_seed), + S0 = rand:seed_s(Alg, {0, 0, 0}), + %% Check that process_dict should not be used for seed_s functionality + _ = rand:seed_s(Alg, {1, 0, 0}), + S0 = get(rand_seed), + %% Test export + ES0 = rand:export_seed(), + ES0 = rand:export_seed_s(S0), + S0 = rand:seed(ES0), + S0 = rand:seed_s(ES0), + %% seed/1 calls should be unique + S1 = rand:seed(Alg), + false = (S1 =:= rand:seed_s(Alg)), + %% Negative integers works + _ = rand:seed_s(Alg, {-1,-1,-1}), + + %% Other term do not work + {'EXIT', _} = (catch rand:seed_s(foobar, os:timestamp())), + {'EXIT', _} = (catch rand:seed_s(Alg, {asd, 1, 1})), + {'EXIT', _} = (catch rand:seed_s(Alg, {0, 234.1234, 1})), + {'EXIT', _} = (catch rand:seed_s(Alg, {0, 234, [1, 123, 123]})), + ok. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +api_eq(doc) -> + ["Check that both api's are consistent with each other."]; +api_eq(suite) -> + []; +api_eq(_Config) -> + Algs = algs(), + Small = fun(Alg) -> + Seed = rand:seed(Alg), + io:format("Seed ~p~n",[rand:export_seed_s(Seed)]), + api_eq_1(Seed) + end, + _ = [Small(Alg) || Alg <- Algs], + ok. + +api_eq_1(S00) -> + Check = fun(_, Seed) -> + {V0, S0} = rand:uniform_s(Seed), + V0 = rand:uniform(), + {V1, S1} = rand:uniform_s(1000000, S0), + V1 = rand:uniform(1000000), + {V2, S2} = rand:normal_s(S1), + V2 = rand:normal(), + S2 + end, + S1 = lists:foldl(Check, S00, lists:seq(1, 200)), + S1 = get(rand_seed), + {V0, S2} = rand:uniform_s(S1), + V0 = rand:uniform(), + S2 = get(rand_seed), + + Exported = rand:export_seed(), + Exported = rand:export_seed_s(S2), + + S3 = lists:foldl(Check, S2, lists:seq(1, 200)), + S3 = get(rand_seed), + + S4 = lists:foldl(Check, S3, lists:seq(1, 200)), + S4 = get(rand_seed), + %% Verify that we do not have loops + false = S1 =:= S2, + false = S2 =:= S3, + false = S3 =:= S4, + + S2 = rand:seed(Exported), + S3 = lists:foldl(Check, S2, lists:seq(1, 200)), + ok. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +interval_int(doc) -> + ["Check that uniform/1 returns values within the proper interval."]; +interval_int(suite) -> + []; +interval_int(Config) when is_list(Config) -> + Algs = algs(), + Small = fun(Alg) -> + Seed = rand:seed(Alg), + io:format("Seed ~p~n",[rand:export_seed_s(Seed)]), + Max = interval_int_1(100000, 7, 0), + Max =:= 7 orelse exit({7, Alg, Max}) + end, + _ = [Small(Alg) || Alg <- Algs], + %% Test large integers + Large = fun(Alg) -> + Seed = rand:seed(Alg), + io:format("Seed ~p~n",[rand:export_seed_s(Seed)]), + Max = interval_int_1(100000, 1 bsl 128, 0), + Max > 1 bsl 64 orelse exit({large, Alg, Max}) + end, + [Large(Alg) || Alg <- Algs], + ok. + +interval_int_1(0, _, Max) -> Max; +interval_int_1(N, Top, Max) -> + X = rand:uniform(Top), + if + 0 < X, X =< Top -> + ok; + true -> + io:format("X=~p Top=~p 0<~p<~p~n", [X,Top,X,Top]), + exit({X, rand:export_seed()}) + end, + interval_int_1(N-1, Top, max(X, Max)). + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +interval_float(doc) -> + ["Check that uniform/0 returns values within the proper interval."]; +interval_float(suite) -> + []; +interval_float(Config) when is_list(Config) -> + Algs = algs(), + Test = fun(Alg) -> + _ = rand:seed(Alg), + interval_float_1(100000) + end, + [Test(Alg) || Alg <- Algs], + ok. + +interval_float_1(0) -> ok; +interval_float_1(N) -> + X = rand:uniform(), + if + 0.0 < X, X < 1.0 -> + ok; + true -> + io:format("X=~p 0<~p<1.0~n", [X,X]), + exit({X, rand:export_seed()}) + end, + interval_float_1(N-1). + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +reference(doc) -> ["Check if exs64 algorithm generates the proper sequence."]; +reference(suite) -> []; +reference(Config) when is_list(Config) -> + [reference_1(Alg) || Alg <- algs()], + ok. + +reference_1(Alg) -> + Refval = reference_val(Alg), + Testval = gen(Alg), + case Refval =:= Testval of + true -> ok; + false -> + io:format("Failed: ~p~n",[Alg]), + io:format("Length ~p ~p~n",[length(Refval), length(Testval)]), + io:format("Head ~p ~p~n",[hd(Refval), hd(Testval)]), + %% test_server:fail({Alg, Refval -- Testval}), + ok + end. + +gen(Algo) -> + Seed = case Algo of + exsplus -> %% Printed with orig 'C' code and this seed + rand:seed_s({exsplus, [12345678|12345678]}); + exs64 -> %% Printed with orig 'C' code and this seed + rand:seed_s({exs64, 12345678}); + exs1024 -> %% Printed with orig 'C' code and this seed + rand:seed_s({exs1024, {lists:duplicate(16, 12345678), []}}); + _ -> + rand:seed(Algo, {100, 200, 300}) + end, + gen(?LOOP, Seed, []). + +gen(N, State0 = {#{max:=Max}, _}, Acc) when N > 0 -> + {Random, State} = rand:uniform_s(Max, State0), + case N rem (?LOOP div 100) of + 0 -> gen(N-1, State, [Random|Acc]); + _ -> gen(N-1, State, Acc) + end; +gen(_, _, Acc) -> lists:reverse(Acc). + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% This just tests the basics so we have not made any serious errors +%% when making the conversion from the original algorithms. +%% The algorithms must have good properties to begin with +%% + +basic_stats(doc) -> ["Check that the algorithms generate sound values."]; +basic_stats(suite) -> []; +basic_stats(Config) when is_list(Config) -> + io:format("Testing uniform~n",[]), + [basic_uniform_1(?LOOP, rand:seed_s(Alg), 0.0, array:new([{default, 0}])) + || Alg <- algs()], + [basic_uniform_2(?LOOP, rand:seed_s(Alg), 0, array:new([{default, 0}])) + || Alg <- algs()], + io:format("Testing normal~n",[]), + [basic_normal_1(?LOOP, rand:seed_s(Alg), 0, 0) || Alg <- algs()], + ok. + +basic_uniform_1(N, S0, Sum, A0) when N > 0 -> + {X,S} = rand:uniform_s(S0), + I = trunc(X*100), + A = array:set(I, 1+array:get(I,A0), A0), + basic_uniform_1(N-1, S, Sum+X, A); +basic_uniform_1(0, {#{type:=Alg}, _}, Sum, A) -> + AverN = Sum / ?LOOP, + io:format("~.10w: Average: ~.4f~n", [Alg, AverN]), + Counters = array:to_list(A), + Min = lists:min(Counters), + Max = lists:max(Counters), + io:format("~.10w: Min: ~p Max: ~p~n", [Alg, Min, Max]), + + %% Verify that the basic statistics are ok + %% be gentle we don't want to see to many failing tests + abs(0.5 - AverN) < 0.005 orelse test_server:fail({average, Alg, AverN}), + abs(?LOOP div 100 - Min) < 1000 orelse test_server:fail({min, Alg, Min}), + abs(?LOOP div 100 - Max) < 1000 orelse test_server:fail({max, Alg, Max}), + ok. + +basic_uniform_2(N, S0, Sum, A0) when N > 0 -> + {X,S} = rand:uniform_s(100, S0), + A = array:set(X-1, 1+array:get(X-1,A0), A0), + basic_uniform_2(N-1, S, Sum+X, A); +basic_uniform_2(0, {#{type:=Alg}, _}, Sum, A) -> + AverN = Sum / ?LOOP, + io:format("~.10w: Average: ~.4f~n", [Alg, AverN]), + Counters = tl(array:to_list(A)), + Min = lists:min(Counters), + Max = lists:max(Counters), + io:format("~.10w: Min: ~p Max: ~p~n", [Alg, Min, Max]), + + %% Verify that the basic statistics are ok + %% be gentle we don't want to see to many failing tests + abs(50.5 - AverN) < 0.5 orelse test_server:fail({average, Alg, AverN}), + abs(?LOOP div 100 - Min) < 1000 orelse test_server:fail({min, Alg, Min}), + abs(?LOOP div 100 - Max) < 1000 orelse test_server:fail({max, Alg, Max}), + ok. + +basic_normal_1(N, S0, Sum, Sq) when N > 0 -> + {X,S} = rand:normal_s(S0), + basic_normal_1(N-1, S, X+Sum, X*X+Sq); +basic_normal_1(0, {#{type:=Alg}, _}, Sum, SumSq) -> + Mean = Sum / ?LOOP, + StdDev = math:sqrt((SumSq - (Sum*Sum/?LOOP))/(?LOOP - 1)), + io:format("~.10w: Average: ~7.4f StdDev ~6.4f~n", [Alg, Mean, StdDev]), + %% Verify that the basic statistics are ok + %% be gentle we don't want to see to many failing tests + abs(Mean) < 0.005 orelse test_server:fail({average, Alg, Mean}), + abs(StdDev - 1.0) < 0.005 orelse test_server:fail({stddev, Alg, StdDev}), + ok. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +plugin(doc) -> ["Test that the user can write algorithms"]; +plugin(suite) -> []; +plugin(Config) when is_list(Config) -> + _ = lists:foldl(fun(_, S0) -> + {V1, S1} = rand:uniform_s(10000, S0), + true = is_integer(V1), + {V2, S2} = rand:uniform_s(S1), + true = is_float(V2), + S2 + end, crypto_seed(), lists:seq(1, 200)), + ok. + +%% Test implementation +crypto_seed() -> + {#{type=>crypto, + max=>(1 bsl 64)-1, + next=>fun crypto_next/1, + uniform=>fun crypto_uniform/1, + uniform_n=>fun crypto_uniform_n/2}, + <<>>}. + +%% Be fair and create bignums i.e. 64bits otherwise use 58bits +crypto_next(<<Num:64, Bin/binary>>) -> + {Num, Bin}; +crypto_next(_) -> + crypto_next(crypto:rand_bytes((64 div 8)*100)). + +crypto_uniform({Api, Data0}) -> + {Int, Data} = crypto_next(Data0), + {Int / (1 bsl 64), {Api, Data}}. + +crypto_uniform_n(N, {Api, Data0}) when N < (1 bsl 64) -> + {Int, Data} = crypto_next(Data0), + {(Int rem N)+1, {Api, Data}}; +crypto_uniform_n(N, State0) -> + {F,State} = crypto_uniform(State0), + {trunc(F * N) + 1, State}. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Not a test but measures the time characteristics of the different algorithms +measure(Suite) when is_atom(Suite) -> []; +measure(_Config) -> + Algos = [crypto64|algs()], + io:format("RNG uniform integer performance~n",[]), + _ = measure_1(random, fun(State) -> {int, random:uniform_s(10000, State)} end), + _ = [measure_1(Algo, fun(State) -> {int, rand:uniform_s(10000, State)} end) || Algo <- Algos], + io:format("RNG uniform float performance~n",[]), + _ = measure_1(random, fun(State) -> {uniform, random:uniform_s(State)} end), + _ = [measure_1(Algo, fun(State) -> {uniform, rand:uniform_s(State)} end) || Algo <- Algos], + io:format("RNG normal float performance~n",[]), + io:format("~.10w: not implemented (too few bits)~n", [random]), + _ = [measure_1(Algo, fun(State) -> {normal, rand:normal_s(State)} end) || Algo <- Algos], + ok. + +measure_1(Algo, Gen) -> + Parent = self(), + Seed = fun(crypto64) -> crypto_seed(); + (random) -> random:seed(os:timestamp()), get(random_seed); + (Alg) -> rand:seed_s(Alg) + end, + + Pid = spawn_link(fun() -> + Fun = fun() -> measure_2(?LOOP, Seed(Algo), Gen) end, + {Time, ok} = timer:tc(Fun), + io:format("~.10w: ~pµs~n", [Algo, Time]), + Parent ! {self(), ok}, + normal + end), + receive + {Pid, Msg} -> Msg + end. + +measure_2(N, State0, Fun) when N > 0 -> + case Fun(State0) of + {int, {Random, State}} + when is_integer(Random), Random >= 1, Random =< 100000 -> + measure_2(N-1, State, Fun); + {uniform, {Random, State}} when is_float(Random), Random > 0, Random < 1 -> + measure_2(N-1, State, Fun); + {normal, {Random, State}} when is_float(Random) -> + measure_2(N-1, State, Fun); + Res -> + exit({error, Res, State0}) + end; +measure_2(0, _, _) -> ok. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%%% Data +reference_val(exs64) -> + [16#3737ad0c703ff6c3,16#3868a78fe71adbbd,16#1f01b62b4338b605,16#50876a917437965f, + 16#b2edfe32a10e27fc,16#995924551d8ebae1,16#9f1e6b94e94e0b58,16#27ec029eb0e94f8e, + 16#bf654e6df7fe5c,16#b7d5ef7b79be65e3,16#4bdba4d1c159126b,16#a9c816fdc701292c, + 16#a377b6c89d85ac8b,16#7abb5cd0e5847a6,16#62666f1fc00a0a90,16#1edc3c3d255a8113, + 16#dfc764073767f18e,16#381783d577ca4e34,16#49693588c085ddcb,16#da6fcb16dd5163f3, + 16#e2357a703475b1b7,16#aaa84c4924b5985a,16#b8fe07bb2bac1e49,16#23973ac0160ff064, + 16#1afbc7b023f5d618,16#9f510f7b7caa2a0f,16#d5b0a57f7f5f1084,16#d8c49b66c5f99a29, + 16#e920ac3b598b5213,16#1090d7e27e7a7c76,16#81171917168ee74f,16#f08489a3eb6988e, + 16#396260c4f0b2ed46,16#4fd0a6a6caefd5b2,16#423dff07a3b888a,16#12718773ebd99987, + 16#e50991e540807cb,16#8cfa03bbaa6679d6,16#55bdf86dfbb92dbf,16#eb7145378cce74a8, + 16#71856c224c846595,16#20461588dae6e24d,16#c73b3e63ced74bac,16#775b11813dda0c78, + 16#91f358e51068ede0,16#399955ef36766bc2,16#4489ee072e8a38b1,16#ba77759d52321ca0, + 16#14f519eab5c53db8,16#1f754bd08e4f34c4,16#99e25ca29b2fcfeb,16#da11927c0d9837f8, + 16#1eeb0f87009f5a87,16#a7c444d3b0db1089,16#49c7fbf0714849ad,16#4f2b693e7f8265cb, + 16#80e1493cbaa8f256,16#186f345bcac2661e,16#330065ae0c698d26,16#5235ed0432c42e93, + 16#429792e31ddb10bb,16#8769054bb6533cff,16#1ab382483444201f,16#2216368786fc7b9, + 16#1efea1155216da0b,16#782dc868ba595452,16#2b80f6d159617f48,16#407fc35121b2fa1b, + 16#90e8be6e618873d1,16#40ad4ec92a8abf8e,16#34e2890f583f435,16#838c0aef0a5d8427, + 16#ed4238f4bd6cbcfa,16#7feed11f7a8bb9f0,16#2b0636a93e26c89d,16#481ad4bea5180646, + 16#673e5ad861afe1cc,16#298eeb519d69e74d,16#eb1dd06d168c856,16#4770651519ee7ef9, + 16#7456ebf1bcf608f1,16#d6200f6fbd61ce05,16#c0695dfab11ab6aa,16#5bff449249983843, + 16#7aba88471474c9ac,16#d7e9e4a21c989e91,16#c5e02ee67ccb7ce1,16#4ea8a3a912246153, + 16#f2e6db7c9ce4ec43,16#39498a95d46d2470,16#c5294fcb8cce8aa9,16#a918fe444719f3dc, + 16#98225f754762c0c0,16#f0721204f2cb43f5,16#b98e77b099d1f2d1,16#691d6f75aee3386, + 16#860c7b2354ec24fd,16#33e007bd0fbcb609,16#7170ae9c20fb3d0,16#31d46938fe383a60]; + +reference_val(exs1024) -> + [16#9c61311d0d4a01fd,16#ce963ef5803b703e,16#545dcffb7b644e1a,16#edd56576a8d778d5, + 16#16bee799783c6b45,16#336f0b3caeb417fa,16#29291b8be26dedfa,16#1efed996d2e1b1a8, + 16#c5c04757bd2dadf9,16#11aa6d194009c616,16#ab2b3e82bdb38a91,16#5011ee46fd2609eb, + 16#766db7e5b701a9bb,16#d42cb2632c419f35,16#107c6a2667bf8557,16#3ffbf922cb306967, + 16#1e71e3d024ac5131,16#6fdb368ec67a5f06,16#b0d8e72e7aa6d1c1,16#e5705a02dae89e3b, + 16#9c24eb68c086a1d3,16#418de330f55f71f0,16#2917ddeb278bc8d2,16#aeba7fba67208f39, + 16#10ceaf40f6af1d8d,16#47a6d06811d33132,16#603a661d6caf720a,16#a28bd0c9bcdacb3c, + 16#f44754f006909762,16#6e25e8e67ccc43bc,16#174378ce374a549e,16#b5598ae9f57c4e50, + 16#ca85807fbcd51dd,16#1816e58d6c3cc32a,16#1b4d630d3c8e96a6,16#c19b1e92b4efc5bd, + 16#665597b20ddd721a,16#fdab4eb21b75c0ae,16#86a612dcfea0756c,16#8fc2da192f9a55f0, + 16#d7c954eb1af31b5,16#6f5ee45b1b80101b,16#ebe8ea4e5a67cbf5,16#1cb952026b4c1400, + 16#44e62caffe7452c0,16#b591d8f3e6d7cbcf,16#250303f8d77b6f81,16#8ef2199aae4c9b8d, + 16#a16baa37a14d7b89,16#c006e4d2b2da158b,16#e6ec7abd54c93b31,16#e6b0d79ae2ab6fa7, + 16#93e4b30e4ab7d4cd,16#42a01b6a4ef63033,16#9ab1e94fe94976e,16#426644e1de302a1f, + 16#8e58569192200139,16#744f014a090107c1,16#15d056801d467c6c,16#51bdad3a8c30225f, + 16#abfc61fb3104bd45,16#c610607122272df7,16#905e67c63116ebfc,16#1e4fd5f443bdc18, + 16#1945d1745bc55a4c,16#f7cd2b18989595bb,16#f0d273b2c646a038,16#ee9a6fdc6fd5d734, + 16#541a518bdb700518,16#6e67ab9a65361d76,16#bcfadc9bfe5b2e06,16#69fa334cf3c11496, + 16#9657df3e0395b631,16#fc0d0442160108ec,16#2ee538da7b1f7209,16#8b20c9fae50a5a9e, + 16#a971a4b5c2b3b6a,16#ff6241e32489438e,16#8fd6433f45255777,16#6e6c82f10818b0dc, + 16#59a8fad3f6af616b,16#7eac34f43f12221c,16#6e429ec2951723ec,16#9a65179767a45c37, + 16#a5f8127d1e6fdf35,16#932c50bc633d8d5c,16#f3bbea4e7ebecb8,16#efc3a2bbf6a8674, + 16#451644a99971cb6,16#cf70776d652c150d,16#c1fe0dcb87a25403,16#9523417132b2452e, + 16#8f98bc30d06b980e,16#bb4b288ecb8daa9a,16#59e54beb32f78045,16#f9ab1562456b9d66, + 16#6435f4130304a793,16#b4bb94c2002e1849,16#49a86d1e4bade982,16#457d63d60ed52b95]; + +reference_val(exsplus) -> + [16#bc76c2e638db,16#15ede2ebb16c9fb,16#185ee2c27d6b88d,16#15d5ee9feafc3a5, + 16#1862e91dfce3e6b,16#2c9744b0fb69e46,16#78b21bc01cef6b,16#2d16a2fae6c76ba, + 16#13dfccb8ff86bce,16#1d9474c59e23f4d,16#d2f67dcd7f0dd6,16#2b6d489d51a0725, + 16#1fa52ef484861d8,16#1ae9e2a38f966d4,16#2264ab1e193acca,16#23bbca085039a05, + 16#2b6eea06a0af0e1,16#3ad47fa8866ea20,16#1ec2802d612d855,16#36c1982b134d50, + 16#296b6a23f5b75e0,16#c5eeb600a9875c,16#2a3fd51d735f9d4,16#56fafa3593a070, + 16#13e9d416ec0423e,16#28101a91b23e9dc,16#32e561eb55ce15a,16#94a7dbba66fe4a, + 16#2e1845043bcec1f,16#235f7513a1b5146,16#e37af1bf2d63cb,16#2048033824a1639, + 16#c255c750995f7,16#2c7542058e89ee3,16#204dfeefbdb62ba,16#f5a936ec63dd66, + 16#33b3b7dbbbd8b90,16#c4f0f79026ffe9,16#20ffee2d37aca13,16#2274f931716be2c, + 16#29b883902ba9df1,16#1a838cd5312717f,16#2edfc49ff3dc1d6,16#418145cbec84c2, + 16#d2d8f1a17d49f,16#d41637bfa4cc6f,16#24437e03a0f5df8,16#3d1d87919b94a90, + 16#20d6997b36769b6,16#16f9d7855cd87ca,16#821ef7e2a062a3,16#2c4d11dc4a2da70, + 16#24a3b27f56ed26b,16#144b23c8b97387a,16#34a2ced56930d12,16#21cc0544113a017, + 16#3e780771f634fb2,16#146c259c02e7e18,16#1d99e4cfad0ef1,16#fdf3dabefc6b3a, + 16#7d0806e4d12dfb,16#3e3ae3580532eae,16#2456544200fbd86,16#f83aad4e88db85, + 16#37c134779463b4d,16#21a20bf64b6e735,16#1c0585ac88b69f2,16#1b3fcea8dd30e56, + 16#334bc301aefd97,16#37066eb7e80a946,16#15a19a6331b570f,16#35e67fa43c3f7d0, + 16#152a4020145fb80,16#8d55139491dfbe,16#21d9cba585c059d,16#31475f363654635, + 16#2567b17acb7a104,16#39201be3a7681c5,16#6bc675fd26b601,16#334b93232b1b1e3, + 16#357c402cb732c6a,16#362e32efe4db46a,16#8edc7ae3da51e5,16#31573376785eac9, + 16#6c6145ffa1169d,16#18ec2c393d45359,16#1f1a5f256e7130c,16#131cc2f49b8004f, + 16#36f715a249f4ec2,16#1c27629826c50d3,16#914d9a6648726a,16#27f5bf5ce2301e8, + 16#3dd493b8012970f,16#be13bed1e00e5c,16#ceef033b74ae10,16#3da38c6a50abe03, + 16#15cbd1a421c7a8c,16#22794e3ec6ef3b1,16#26154d26e7ea99f,16#3a66681359a6ab6]. diff --git a/lib/stdlib/test/random_SUITE.erl b/lib/stdlib/test/random_SUITE.erl index ac9d1a6c06..22c0900651 100644 --- a/lib/stdlib/test/random_SUITE.erl +++ b/lib/stdlib/test/random_SUITE.erl @@ -82,7 +82,7 @@ seed(suite) -> []; seed(Config) when is_list(Config) -> ?line Self = self(), - ?line Seed = {S1, S2, S3} = now(), + Seed = {S1, S2, S3} = erlang:timestamp(), ?line _ = spawn(fun() -> random:seed(S1,S2,S3), Rands = lists:foldl(fun diff --git a/lib/stdlib/test/select_SUITE.erl b/lib/stdlib/test/select_SUITE.erl index 546c25f954..201c38b25a 100644 --- a/lib/stdlib/test/select_SUITE.erl +++ b/lib/stdlib/test/select_SUITE.erl @@ -211,7 +211,7 @@ init_random(Config) -> {ok,[X]} -> X; _ -> - {A,B,C} = erlang:now(), + {A,B,C} = erlang:timestamp(), random:seed(A,B,C), get(random_seed) end, diff --git a/lib/stdlib/test/sets_SUITE.erl b/lib/stdlib/test/sets_SUITE.erl index c0cf1fc7e8..24f5d65f82 100644 --- a/lib/stdlib/test/sets_SUITE.erl +++ b/lib/stdlib/test/sets_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2013. All Rights Reserved. +%% Copyright Ericsson AB 2004-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -28,7 +28,7 @@ create/1,add_element/1,del_element/1, subtract/1,intersection/1,union/1,is_subset/1, is_set/1,fold/1,filter/1, - take_smallest/1,take_largest/1]). + take_smallest/1,take_largest/1, iterate/1]). -include_lib("test_server/include/test_server.hrl"). @@ -48,7 +48,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [create, add_element, del_element, subtract, intersection, union, is_subset, is_set, fold, filter, - take_smallest, take_largest]. + take_smallest, take_largest, iterate]. groups() -> []. @@ -426,6 +426,44 @@ take_largest_3(S0, List0, M) -> take_largest_3(S, List, M) end. +iterate(Config) when is_list(Config) -> + test_all(fun iterate_1/1). + +iterate_1(M) -> + case M(module, []) of + gb_sets -> iterate_2(M); + _ -> ok + end, + M(empty, []). + +iterate_2(M) -> + random:seed(1, 2, 42), + iter_set(M, 1000). + +iter_set(_M, 0) -> + ok; +iter_set(M, N) -> + L = [I || I <- lists:seq(1, N)], + T = M(from_list, L), + L = lists:reverse(iterate_set(M, T)), + R = random:uniform(N), + S = lists:reverse(iterate_set(M, R, T)), + S = [E || E <- L, E >= R], + iter_set(M, N-1). + +iterate_set(M, Set) -> + I = M(iterator, Set), + iterate_set_1(M, M(next, I), []). + +iterate_set(M, Start, Set) -> + I = M(iterator_from, {Start, Set}), + iterate_set_1(M, M(next, I), []). + +iterate_set_1(_, none, R) -> + R; +iterate_set_1(M, {E, I}, R) -> + iterate_set_1(M, M(next, I), [E | R]). + %%% %%% Helper functions. %%% diff --git a/lib/stdlib/test/sets_test_lib.erl b/lib/stdlib/test/sets_test_lib.erl index 86f009a8f9..772139406d 100644 --- a/lib/stdlib/test/sets_test_lib.erl +++ b/lib/stdlib/test/sets_test_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2013. All Rights Reserved. +%% Copyright Ericsson AB 2004-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -34,7 +34,10 @@ new(Mod, Eq) -> (is_empty, S) -> is_empty(Mod, S); (is_set, S) -> Mod:is_set(S); (is_subset, {S,Set}) -> is_subset(Mod, Eq, S, Set); + (iterator, S) -> Mod:iterator(S); + (iterator_from, {Start, S}) -> Mod:iterator_from(Start, S); (module, []) -> Mod; + (next, I) -> Mod:next(I); (singleton, E) -> singleton(Mod, E); (size, S) -> Mod:size(S); (subtract, {S1,S2}) -> subtract(Mod, S1, S2); diff --git a/lib/stdlib/test/shell_SUITE.erl b/lib/stdlib/test/shell_SUITE.erl index f841e2c4a6..7c18560498 100644 --- a/lib/stdlib/test/shell_SUITE.erl +++ b/lib/stdlib/test/shell_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2013. All Rights Reserved. +%% Copyright Ericsson AB 2004-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -404,13 +404,14 @@ records(Config) when is_list(Config) -> ?line ok = file:write_file(Test, Contents), RR5 = "rr(\"" ++ Test ++ "\", '_', {d,test1}), rl([test1,test2]).", - ?line [{attribute,1,record,{test1,_}},ok] = scan(RR5), + A1 = erl_anno:new(1), + [{attribute,A1,record,{test1,_}},ok] = scan(RR5), RR6 = "rr(\"" ++ Test ++ "\", '_', {d,test2}), rl([test1,test2]).", - ?line [{attribute,1,record,{test2,_}},ok] = scan(RR6), + [{attribute,A1,record,{test2,_}},ok] = scan(RR6), RR7 = "rr(\"" ++ Test ++ "\", '_', [{d,test1},{d,test2,17}]), rl([test1,test2]).", - ?line [{attribute,1,record,{test1,_}},{attribute,1,record,{test2,_}}, - ok] = scan(RR7), + [{attribute,A1,record,{test1,_}},{attribute,A1,record,{test2,_}},ok] = + scan(RR7), ?line PreReply = scan(<<"rr(prim_file).">>), % preloaded... ?line true = is_list(PreReply), ?line Dir = filename:join(?config(priv_dir, Config), "*.erl"), diff --git a/lib/stdlib/test/stdlib_SUITE.erl b/lib/stdlib/test/stdlib_SUITE.erl index 3d09bd27ff..206eb4fd74 100644 --- a/lib/stdlib/test/stdlib_SUITE.erl +++ b/lib/stdlib/test/stdlib_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2014. All Rights Reserved. +%% Copyright Ericsson AB 1997-2015. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -22,14 +22,7 @@ -module(stdlib_SUITE). -include_lib("test_server/include/test_server.hrl"). - -% Test server specific exports --export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, - init_per_group/2,end_per_group/2]). --export([init_per_testcase/2, end_per_testcase/2]). - -% Test cases must be exported. --export([app_test/1, appup_test/1]). +-compile(export_all). %% %% all/1 @@ -37,10 +30,10 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [app_test, appup_test]. + [app_test, appup_test, {group,upgrade}]. groups() -> - []. + [{upgrade,[minor_upgrade,major_upgrade]}]. init_per_suite(Config) -> Config. @@ -48,9 +41,13 @@ init_per_suite(Config) -> end_per_suite(_Config) -> ok. +init_per_group(upgrade, Config) -> + ct_release_test:init(Config); init_per_group(_GroupName, Config) -> Config. +end_per_group(upgrade, Config) -> + ct_release_test:cleanup(Config); end_per_group(_GroupName, Config) -> Config. @@ -165,3 +162,26 @@ check_appup([Vsn|Vsns],Instrs,Expected) -> end; check_appup([],_,_) -> ok. + + +minor_upgrade(Config) -> + ct_release_test:upgrade(stdlib,minor,{?MODULE,[]},Config). + +major_upgrade(Config) -> + ct_release_test:upgrade(stdlib,major,{?MODULE,[]},Config). + +%% Version numbers are checked by ct_release_test, so there is nothing +%% more to check here... +upgrade_init(CtData,State) -> + {ok,{FromVsn,ToVsn}} = ct_release_test:get_app_vsns(CtData,stdlib), + case ct_release_test:get_appup(CtData,stdlib) of + {ok,{FromVsn,ToVsn,[restart_new_emulator],[restart_new_emulator]}} -> + io:format("Upgrade/downgrade ~p <--> ~p",[FromVsn,ToVsn]); + {error,{vsn_not_found,_}} when FromVsn==ToVsn -> + io:format("No upgrade test for stdlib, same version") + end, + State. +upgrade_upgraded(_CtData,State) -> + State. +upgrade_downgraded(_CtData,State) -> + State. diff --git a/lib/stdlib/test/string_SUITE.erl b/lib/stdlib/test/string_SUITE.erl index fccd1bef95..e9ea2e3522 100644 --- a/lib/stdlib/test/string_SUITE.erl +++ b/lib/stdlib/test/string_SUITE.erl @@ -120,7 +120,7 @@ chr_rchr(suite) -> chr_rchr(doc) -> []; chr_rchr(Config) when is_list(Config) -> - ?line {_,_,X} = now(), + {_,_,X} = erlang:timestamp(), ?line 0 = string:chr("", (X rem (255-32)) + 32), ?line 0 = string:rchr("", (X rem (255-32)) + 32), ?line 1 = string:chr("x", $x), @@ -144,7 +144,7 @@ str_rstr(suite) -> str_rstr(doc) -> []; str_rstr(Config) when is_list(Config) -> - ?line {_,_,X} = now(), + {_,_,X} = erlang:timestamp(), ?line 0 = string:str("", [(X rem (255-32)) + 32]), ?line 0 = string:rstr("", [(X rem (255-32)) + 32]), ?line 1 = string:str("x", "x"), @@ -217,21 +217,39 @@ substr(Config) when is_list(Config) -> ?line {'EXIT',_} = (catch string:substr("1234", "1")), ok. -tokens(suite) -> - []; -tokens(doc) -> - []; tokens(Config) when is_list(Config) -> - ?line [] = string:tokens("",""), - ?line [] = string:tokens("abc","abc"), - ?line ["abc"] = string:tokens("abc", ""), - ?line ["1","2 34","4","5"] = string:tokens("1,2 34,4;5", ";,"), - %% invalid arg type - ?line {'EXIT',_} = (catch string:tokens('x,y', ",")), + [] = string:tokens("",""), + [] = string:tokens("abc","abc"), + ["abc"] = string:tokens("abc", ""), + ["1","2 34","45","5","6","7"] = do_tokens("1,2 34,45;5,;6;,7", ";,"), + %% invalid arg type - ?line {'EXIT',_} = (catch string:tokens("x,y", ',')), + {'EXIT',_} = (catch string:tokens('x,y', ",")), + {'EXIT',_} = (catch string:tokens("x,y", ',')), ok. +do_tokens(S0, Sep0) -> + [H|T] = Sep0, + S = [replace_sep(C, T, H) || C <- S0], + Sep = [H], + io:format("~p ~p\n", [S0,Sep0]), + io:format("~p ~p\n", [S,Sep]), + + Res = string:tokens(S0, Sep0), + Res = string:tokens(Sep0++S0, Sep0), + Res = string:tokens(S0++Sep0, Sep0), + + Res = string:tokens(S, Sep), + Res = string:tokens(Sep++S, Sep), + Res = string:tokens(S++Sep, Sep), + + Res. + +replace_sep(C, Seps, New) -> + case lists:member(C, Seps) of + true -> New; + false -> C + end. chars(suite) -> []; diff --git a/lib/stdlib/test/supervisor_SUITE.erl b/lib/stdlib/test/supervisor_SUITE.erl index 836ea7c030..015b09f35e 100644 --- a/lib/stdlib/test/supervisor_SUITE.erl +++ b/lib/stdlib/test/supervisor_SUITE.erl @@ -37,9 +37,12 @@ sup_start_ignore_child/1, sup_start_ignore_temporary_child/1, sup_start_ignore_temporary_child_start_child/1, sup_start_ignore_temporary_child_start_child_simple/1, - sup_start_error_return/1, sup_start_fail/1, sup_stop_infinity/1, - sup_stop_timeout/1, sup_stop_brutal_kill/1, child_adm/1, - child_adm_simple/1, child_specs/1, extra_return/1]). + sup_start_ignore_permanent_child_start_child_simple/1, + sup_start_error_return/1, sup_start_fail/1, + sup_start_map/1, sup_start_map_faulty_specs/1, + sup_stop_infinity/1, sup_stop_timeout/1, sup_stop_brutal_kill/1, + child_adm/1, child_adm_simple/1, child_specs/1, extra_return/1, + sup_flags/1]). %% Tests concept permanent, transient and temporary -export([ permanent_normal/1, transient_normal/1, @@ -51,7 +54,8 @@ temporary_abnormal/1, temporary_bystander/1]). %% Restart strategy tests --export([ one_for_one/1, +-export([ multiple_restarts/1, + one_for_one/1, one_for_one_escalation/1, one_for_all/1, one_for_all_escalation/1, one_for_all_other_child_fails_restart/1, simple_one_for_one/1, simple_one_for_one_escalation/1, @@ -65,7 +69,8 @@ do_not_save_child_specs_for_temporary_children/1, simple_one_for_one_scale_many_temporary_children/1, simple_global_supervisor/1, hanging_restart_loop/1, - hanging_restart_loop_simple/1]). + hanging_restart_loop_simple/1, code_change/1, code_change_map/1, + code_change_simple/1, code_change_simple_map/1]). %%------------------------------------------------------------------------- @@ -73,8 +78,9 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [{group, sup_start}, {group, sup_stop}, child_adm, - child_adm_simple, extra_return, child_specs, + [{group, sup_start}, {group, sup_start_map}, {group, sup_stop}, child_adm, + child_adm_simple, extra_return, child_specs, sup_flags, + multiple_restarts, {group, restart_one_for_one}, {group, restart_one_for_all}, {group, restart_simple_one_for_one}, @@ -85,7 +91,8 @@ all() -> count_children, do_not_save_start_parameters_for_temporary_children, do_not_save_child_specs_for_temporary_children, simple_one_for_one_scale_many_temporary_children, temporary_bystander, - simple_global_supervisor, hanging_restart_loop, hanging_restart_loop_simple]. + simple_global_supervisor, hanging_restart_loop, hanging_restart_loop_simple, + code_change, code_change_map, code_change_simple, code_change_simple_map]. groups() -> [{sup_start, [], @@ -93,7 +100,10 @@ groups() -> sup_start_ignore_child, sup_start_ignore_temporary_child, sup_start_ignore_temporary_child_start_child, sup_start_ignore_temporary_child_start_child_simple, + sup_start_ignore_permanent_child_start_child_simple, sup_start_error_return, sup_start_fail]}, + {sup_start_map, [], + [sup_start_map, sup_start_map_faulty_specs]}, {sup_stop, [], [sup_stop_infinity, sup_stop_timeout, sup_stop_brutal_kill]}, @@ -242,6 +252,27 @@ sup_start_ignore_temporary_child_start_child_simple(Config) [1,1,0,1] = get_child_counts(sup_test). %%------------------------------------------------------------------------- +%% Tests what happens if child's init-callback returns ignore for a +%% permanent child when child is started with start_child/2, and the +%% supervisor is simple_one_for_one. +%% Child spec shall NOT be saved!!! +sup_start_ignore_permanent_child_start_child_simple(Config) + when is_list(Config) -> + process_flag(trap_exit, true), + Child1 = {child1, {supervisor_1, start_child, [ignore]}, + permanent, 1000, worker, []}, + {ok, Pid} = start_link({ok, {{simple_one_for_one, 2, 3600}, [Child1]}}), + + {ok, undefined} = supervisor:start_child(sup_test, []), + {ok, CPid2} = supervisor:start_child(sup_test, []), + + [{undefined, CPid2, worker, []}] = supervisor:which_children(sup_test), + [1,1,0,1] = get_child_counts(sup_test), + + %% Regression test: check that the supervisor terminates without error. + exit(Pid, shutdown), + check_exit_reason(Pid, shutdown). +%%------------------------------------------------------------------------- %% Tests what happens if init-callback returns a invalid value. sup_start_error_return(Config) when is_list(Config) -> process_flag(trap_exit, true), @@ -256,6 +287,60 @@ sup_start_fail(Config) when is_list(Config) -> check_exit_reason(Term). %%------------------------------------------------------------------------- +%% Tests that the supervisor process starts correctly with map +%% startspec, and that the full childspec can be read. +sup_start_map(Config) when is_list(Config) -> + process_flag(trap_exit, true), + Child1 = #{id=>child1, start=>{supervisor_1, start_child, []}}, + Child2 = #{id=>child2, + start=>{supervisor_1, start_child, []}, + shutdown=>brutal_kill}, + Child3 = #{id=>child3, + start=>{supervisor_1, start_child, []}, + type=>supervisor}, + {ok, Pid} = start_link({ok, {#{}, [Child1,Child2,Child3]}}), + + %% Check default values + {ok,#{id:=child1, + start:={supervisor_1,start_child,[]}, + restart:=permanent, + shutdown:=5000, + type:=worker, + modules:=[supervisor_1]}} = supervisor:get_childspec(Pid, child1), + {ok,#{id:=child2, + start:={supervisor_1,start_child,[]}, + restart:=permanent, + shutdown:=brutal_kill, + type:=worker, + modules:=[supervisor_1]}} = supervisor:get_childspec(Pid, child2), + {ok,#{id:=child3, + start:={supervisor_1,start_child,[]}, + restart:=permanent, + shutdown:=infinity, + type:=supervisor, + modules:=[supervisor_1]}} = supervisor:get_childspec(Pid, child3), + {error,not_found} = supervisor:get_childspec(Pid, child4), + terminate(Pid, shutdown). + +%%------------------------------------------------------------------------- +%% Tests that the supervisor produces good error messages when start- +%% and child specs are faulty. +sup_start_map_faulty_specs(Config) when is_list(Config) -> + process_flag(trap_exit, true), + Child1 = #{start=>{supervisor_1, start_child, []}}, + Child2 = #{id=>child2}, + Child3 = #{id=>child3, + start=>{supervisor_1, start_child, []}, + silly_flag=>true}, + Child4 = child4, + {error,{start_spec,missing_id}} = start_link({ok, {#{}, [Child1]}}), + {error,{start_spec,missing_start}} = start_link({ok, {#{}, [Child2]}}), + {ok,Pid} = start_link({ok, {#{}, [Child3]}}), + terminate(Pid,shutdown), + {error,{start_spec,{invalid_child_spec,child4}}} = + start_link({ok, {#{}, [Child4]}}). + +%%------------------------------------------------------------------------- %% See sup_stop/1 when Shutdown = infinity, this walue is allowed for %% children of type supervisor _AND_ worker. sup_stop_infinity(Config) when is_list(Config) -> @@ -479,7 +564,7 @@ child_adm_simple(Config) when is_list(Config) -> %% Tests child specs, invalid formats should be rejected. child_specs(Config) when is_list(Config) -> process_flag(trap_exit, true), - {ok, _Pid} = start_link({ok, {{one_for_one, 2, 3600}, []}}), + {ok, Pid} = start_link({ok, {{one_for_one, 2, 3600}, []}}), {error, _} = supervisor:start_child(sup_test, hej), %% Bad child specs @@ -509,6 +594,7 @@ child_specs(Config) when is_list(Config) -> {error, {invalid_modules,dy}} = supervisor:start_child(sup_test, B5), + {error, {badarg, _}} = supervisor:check_childspecs(B1), % should be list {error, {invalid_mfa,mfa}} = supervisor:check_childspecs([B1]), {error, {invalid_restart_type,prmanent}} = supervisor:check_childspecs([B2]), @@ -524,6 +610,54 @@ child_specs(Config) when is_list(Config) -> ok = supervisor:check_childspecs([C3]), ok = supervisor:check_childspecs([C4]), ok = supervisor:check_childspecs([C5]), + + {error,{duplicate_child_name,child}} = supervisor:check_childspecs([C1,C2]), + + terminate(Pid, shutdown), + + %% Faulty child specs in supervisor start + {error, {start_spec, {invalid_mfa, mfa}}} = + start_link({ok, {{one_for_one, 2, 3600}, [B1]}}), + {error, {start_spec, {invalid_restart_type, prmanent}}} = + start_link({ok, {{simple_one_for_one, 2, 3600}, [B2]}}), + + %% simple_one_for_one needs exactly one child + {error,{bad_start_spec,[]}} = + start_link({ok, {{simple_one_for_one, 2, 3600}, []}}), + {error,{bad_start_spec,[C1,C2]}} = + start_link({ok, {{simple_one_for_one, 2, 3600}, [C1,C2]}}), + + ok. + +%%------------------------------------------------------------------------- +%% Test error handling of supervisor flags +sup_flags(_Config) -> + process_flag(trap_exit,true), + {error,{supervisor_data,{invalid_strategy,_}}} = + start_link({ok, {{none_for_one, 2, 3600}, []}}), + {error,{supervisor_data,{invalid_strategy,_}}} = + start_link({ok, {#{strategy=>none_for_one}, []}}), + {error,{supervisor_data,{invalid_intensity,_}}} = + start_link({ok, {{one_for_one, infinity, 3600}, []}}), + {error,{supervisor_data,{invalid_intensity,_}}} = + start_link({ok, {#{intensity=>infinity}, []}}), + {error,{supervisor_data,{invalid_period,_}}} = + start_link({ok, {{one_for_one, 2, 0}, []}}), + {error,{supervisor_data,{invalid_period,_}}} = + start_link({ok, {#{period=>0}, []}}), + {error,{supervisor_data,{invalid_period,_}}} = + start_link({ok, {{one_for_one, 2, infinity}, []}}), + {error,{supervisor_data,{invalid_period,_}}} = + start_link({ok, {#{period=>infinity}, []}}), + + %% SupFlags other than a map or a 3-tuple + {error,{supervisor_data,{invalid_type,_}}} = + start_link({ok, {{one_for_one, 2}, []}}), + + %% Unexpected flags are ignored + {ok,Pid} = start_link({ok,{#{silly_flag=>true},[]}}), + terminate(Pid,shutdown), + ok. %%------------------------------------------------------------------------- @@ -764,6 +898,39 @@ temporary_bystander(_Config) -> [{child1, _, _, _}] = supervisor:which_children(SupPid2). %%------------------------------------------------------------------------- +%% Test restarting a process multiple times, being careful not +%% to exceed the maximum restart frquency. +multiple_restarts(Config) when is_list(Config) -> + process_flag(trap_exit, true), + Child1 = #{id => child1, + start => {supervisor_1, start_child, []}, + restart => permanent, + shutdown => brutal_kill, + type => worker, + modules => []}, + SupFlags = #{strategy => one_for_one, + intensity => 1, + period => 1}, + {ok, SupPid} = start_link({ok, {SupFlags, []}}), + {ok, CPid1} = supervisor:start_child(sup_test, Child1), + + %% Terminate the process several times, but being careful + %% not to exceed the maximum restart intensity. + terminate(SupPid, CPid1, child1, abnormal), + _ = [begin + receive after 2100 -> ok end, + [{_, Pid, _, _}|_] = supervisor:which_children(sup_test), + terminate(SupPid, Pid, child1, abnormal) + end || _ <- [1,2,3]], + + %% Verify that the supervisor is still alive and clean up. + ok = supervisor:terminate_child(SupPid, child1), + ok = supervisor:delete_child(SupPid, child1), + exit(SupPid, kill), + ok. + + +%%------------------------------------------------------------------------- %% Test the one_for_one base case. one_for_one(Config) when is_list(Config) -> process_flag(trap_exit, true), @@ -1647,6 +1814,186 @@ hanging_restart_loop_simple(Config) when is_list(Config) -> ok. %%------------------------------------------------------------------------- +%% Test the code_change function +code_change(_Config) -> + process_flag(trap_exit, true), + + SupFlags = {one_for_one, 0, 1}, + {ok, Pid} = start_link({ok, {SupFlags, []}}), + [] = supervisor:which_children(Pid), + + %% Change supervisor flags + S1 = sys:get_state(Pid), + ok = fake_upgrade(Pid,{ok, {{one_for_one, 1, 3}, []}}), + S2 = sys:get_state(Pid), + true = (S1 /= S2), + + %% Faulty childspec + FaultyChild = {child1, permanent, brutal_kill, worker, []}, % missing start + {error,{error,{invalid_child_spec,FaultyChild}}} = + fake_upgrade(Pid,{ok,{SupFlags,[FaultyChild]}}), + + %% Add child1 and child2 + Child1 = {child1, {supervisor_1, start_child, []}, + permanent, 2000, worker, []}, + Child2 = {child2, {supervisor_1, start_child, []}, + permanent, brutal_kill, worker, []}, + ok = fake_upgrade(Pid,{ok,{SupFlags,[Child1,Child2]}}), + %% Children are not automatically started + {ok,_} = supervisor:restart_child(Pid,child1), + {ok,_} = supervisor:restart_child(Pid,child2), + [{child2,_,_,_},{child1,_,_,_}] = supervisor:which_children(Pid), + + %% Change child1, remove child2 and add child3 + Child11 = {child1, {supervisor_1, start_child, []}, + permanent, 1000, worker, []}, + Child3 = {child3, {supervisor_1, start_child, []}, + permanent, brutal_kill, worker, []}, + ok = fake_upgrade(Pid,{ok, {SupFlags, [Child11,Child3]}}), + %% Children are not deleted on upgrade, so it is ok that child2 is + %% still here + [{child2,_,_,_},{child3,_,_,_},{child1,_,_,_}] = + supervisor:which_children(Pid), + + %% Ignore during upgrade + ok = fake_upgrade(Pid,ignore), + + %% Error during upgrade + {error, faulty_return} = fake_upgrade(Pid,faulty_return), + + %% Faulty flags + {error,{error, {invalid_intensity,faulty_intensity}}} = + fake_upgrade(Pid,{ok, {{one_for_one,faulty_intensity,1}, []}}), + {error,{error,{bad_flags, faulty_flags}}} = + fake_upgrade(Pid,{ok, {faulty_flags, []}}), + + terminate(Pid,shutdown). + +code_change_map(_Config) -> + process_flag(trap_exit, true), + + {ok, Pid} = start_link({ok, {#{}, []}}), + [] = supervisor:which_children(Pid), + + %% Change supervisor flags + S1 = sys:get_state(Pid), + ok = fake_upgrade(Pid,{ok, {#{intensity=>1, period=>3}, []}}), + S2 = sys:get_state(Pid), + true = (S1 /= S2), + + %% Faulty childspec + FaultyChild = #{id=>faulty_child}, + {error,{error,missing_start}} = + fake_upgrade(Pid,{ok,{#{},[FaultyChild]}}), + + %% Add child1 and child2 + Child1 = #{id=>child1, + start=>{supervisor_1, start_child, []}, + shutdown=>2000}, + Child2 = #{id=>child2, + start=>{supervisor_1, start_child, []}}, + ok = fake_upgrade(Pid,{ok,{#{},[Child1,Child2]}}), + %% Children are not automatically started + {ok,_} = supervisor:restart_child(Pid,child1), + {ok,_} = supervisor:restart_child(Pid,child2), + [{child2,_,_,_},{child1,_,_,_}] = supervisor:which_children(Pid), + {ok,#{shutdown:=2000}} = supervisor:get_childspec(Pid,child1), + + %% Change child1, remove child2 and add child3 + Child11 = #{id=>child1, + start=>{supervisor_1, start_child, []}, + shutdown=>1000}, + Child3 = #{id=>child3, + start=>{supervisor_1, start_child, []}}, + ok = fake_upgrade(Pid,{ok, {#{}, [Child11,Child3]}}), + %% Children are not deleted on upgrade, so it is ok that child2 is + %% still here + [{child2,_,_,_},{child3,_,_,_},{child1,_,_,_}] = + supervisor:which_children(Pid), + {ok,#{shutdown:=1000}} = supervisor:get_childspec(Pid,child1), + + %% Ignore during upgrade + ok = fake_upgrade(Pid,ignore), + + %% Error during upgrade + {error, faulty_return} = fake_upgrade(Pid,faulty_return), + + %% Faulty flags + {error,{error, {invalid_intensity,faulty_intensity}}} = + fake_upgrade(Pid,{ok, {#{intensity=>faulty_intensity}, []}}), + + terminate(Pid,shutdown). + +code_change_simple(_Config) -> + process_flag(trap_exit, true), + + SimpleChild1 = {child1,{supervisor_1, start_child, []}, permanent, + brutal_kill, worker, []}, + SimpleFlags = {simple_one_for_one, 0, 1}, + {ok, SimplePid} = start_link({ok, {SimpleFlags,[SimpleChild1]}}), + %% Change childspec + SimpleChild11 = {child1,{supervisor_1, start_child, []}, permanent, + 1000, worker, []}, + ok = fake_upgrade(SimplePid,{ok,{SimpleFlags,[SimpleChild11]}}), + + %% Attempt to add child + SimpleChild2 = {child2,{supervisor_1, start_child, []}, permanent, + brutal_kill, worker, []}, + + {error, {error, {ok,[_,_]}}} = + fake_upgrade(SimplePid,{ok,{SimpleFlags,[SimpleChild1,SimpleChild2]}}), + + %% Attempt to remove child + {error, {error, {ok,[]}}} = fake_upgrade(SimplePid,{ok,{SimpleFlags,[]}}), + + terminate(SimplePid,shutdown), + ok. + +code_change_simple_map(_Config) -> + process_flag(trap_exit, true), + + SimpleChild1 = #{id=>child1, + start=>{supervisor_1, start_child, []}}, + SimpleFlags = #{strategy=>simple_one_for_one}, + {ok, SimplePid} = start_link({ok, {SimpleFlags,[SimpleChild1]}}), + %% Change childspec + SimpleChild11 = #{id=>child1, + start=>{supervisor_1, start_child, []}, + shutdown=>1000}, + ok = fake_upgrade(SimplePid,{ok,{SimpleFlags,[SimpleChild11]}}), + + %% Attempt to add child + SimpleChild2 = #{id=>child2, + start=>{supervisor_1, start_child, []}}, + {error, {error, {ok, [_,_]}}} = + fake_upgrade(SimplePid,{ok,{SimpleFlags,[SimpleChild1,SimpleChild2]}}), + + %% Attempt to remove child + {error, {error, {ok, []}}} = + fake_upgrade(SimplePid,{ok,{SimpleFlags,[]}}), + + terminate(SimplePid,shutdown), + ok. + +fake_upgrade(Pid,NewInitReturn) -> + ok = sys:suspend(Pid), + + %% Update state to fake code change + %% The #state record in supervisor.erl holds the arguments given + %% to the callback init function. By replacing these arguments the + %% init function will return something new and by that fake a code + %% change (see init function above in this module). + Fun = fun(State) -> + Size = size(State), % 'args' is the last field in #state. + setelement(Size,State,NewInitReturn) + end, + sys:replace_state(Pid,Fun), + + R = sys:change_code(Pid,gen_server,dummy_vsn,[]), + ok = sys:resume(Pid), + R. + +%%------------------------------------------------------------------------- terminate(Pid, Reason) when Reason =/= supervisor -> terminate(dummy, Pid, dummy, Reason). diff --git a/lib/stdlib/test/sys_SUITE.erl b/lib/stdlib/test/sys_SUITE.erl index f38bc87ae5..047ee9f1fa 100644 --- a/lib/stdlib/test/sys_SUITE.erl +++ b/lib/stdlib/test/sys_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -202,14 +202,7 @@ spec_proc(Mod) -> {Mod,system_get_state},{throw,fail}},_}} -> ok end, - Mod:stop(), - WaitForUnregister = fun W() -> - case whereis(Mod) of - undefined -> ok; - _ -> timer:sleep(10), W() - end - end, - WaitForUnregister(), + ok = sys:terminate(Mod, normal), {ok,_} = Mod:start_link(4), ok = case catch sys:replace_state(Mod, fun(_) -> {} end) of {} -> @@ -218,8 +211,7 @@ spec_proc(Mod) -> {Mod,system_replace_state},{throw,fail}},_}} -> ok end, - Mod:stop(), - WaitForUnregister(), + ok = sys:terminate(Mod, normal), {ok,_} = Mod:start_link(4), StateFun = fun(_) -> error(fail) end, ok = case catch sys:replace_state(Mod, StateFun) of @@ -231,7 +223,7 @@ spec_proc(Mod) -> {'EXIT',{{callback_failed,StateFun,{error,fail}},_}} -> ok end, - Mod:stop(). + ok = sys:terminate(Mod, normal). %%%%%%%%%%%%%%%%%%%% %% Dummy server diff --git a/lib/stdlib/test/sys_sp1.erl b/lib/stdlib/test/sys_sp1.erl index e84ffcfa12..0fb288991f 100644 --- a/lib/stdlib/test/sys_sp1.erl +++ b/lib/stdlib/test/sys_sp1.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -17,7 +17,7 @@ %% %CopyrightEnd% %% -module(sys_sp1). --export([start_link/1, stop/0]). +-export([start_link/1]). -export([alloc/0, free/1]). -export([init/1]). -export([system_continue/3, system_terminate/4, @@ -31,10 +31,6 @@ start_link(NumCh) -> proc_lib:start_link(?MODULE, init, [[self(),NumCh]]). -stop() -> - ?MODULE ! stop, - ok. - alloc() -> ?MODULE ! {self(), alloc}, receive @@ -70,11 +66,7 @@ loop(Chs, Parent, Deb) -> loop(Chs2, Parent, Deb2); {system, From, Request} -> sys:handle_system_msg(Request, From, Parent, - ?MODULE, Deb, Chs); - stop -> - sys:handle_debug(Deb, fun write_debug/3, - ?MODULE, {in, stop}), - ok + ?MODULE, Deb, Chs) end. system_continue(Parent, Deb, Chs) -> diff --git a/lib/stdlib/test/sys_sp2.erl b/lib/stdlib/test/sys_sp2.erl index 56a5e4d071..a0847b5838 100644 --- a/lib/stdlib/test/sys_sp2.erl +++ b/lib/stdlib/test/sys_sp2.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -17,7 +17,7 @@ %% %CopyrightEnd% %% -module(sys_sp2). --export([start_link/1, stop/0]). +-export([start_link/1]). -export([alloc/0, free/1]). -export([init/1]). -export([system_continue/3, system_terminate/4, @@ -30,10 +30,6 @@ start_link(NumCh) -> proc_lib:start_link(?MODULE, init, [[self(),NumCh]]). -stop() -> - ?MODULE ! stop, - ok. - alloc() -> ?MODULE ! {self(), alloc}, receive @@ -45,11 +41,6 @@ free(Ch) -> ?MODULE ! {free, Ch}, ok. -%% can't use 2-tuple for state here as we do in sys_sp1, since the 2-tuple -%% is not compatible with the backward compatibility handling for -%% sys:get_state in sys.erl --record(state, {alloc,free}). - init([Parent,NumCh]) -> register(?MODULE, self()), Chs = channels(NumCh), @@ -74,11 +65,7 @@ loop(Chs, Parent, Deb) -> loop(Chs2, Parent, Deb2); {system, From, Request} -> sys:handle_system_msg(Request, From, Parent, - ?MODULE, Deb, Chs); - stop -> - sys:handle_debug(Deb, fun write_debug/3, - ?MODULE, {in, stop}), - ok + ?MODULE, Deb, Chs) end. system_continue(Parent, Deb, Chs) -> @@ -91,17 +78,17 @@ write_debug(Dev, Event, Name) -> io:format(Dev, "~p event = ~p~n", [Name, Event]). channels(NumCh) -> - #state{alloc=[], free=lists:seq(1,NumCh)}. + {_Allocated=[], _Free=lists:seq(1,NumCh)}. -alloc(#state{free=[]}=Channels) -> - {{error, "no channels available"}, Channels}; -alloc(#state{alloc=Allocated, free=[H|T]}) -> - {H, #state{alloc=[H|Allocated], free=T}}. +alloc({_, []}) -> + {error, "no channels available"}; +alloc({Allocated, [H|T]}) -> + {H, {[H|Allocated], T}}. -free(Ch, #state{alloc=Alloc, free=Free}=Channels) -> +free(Ch, {Alloc, Free}=Channels) -> case lists:member(Ch, Alloc) of true -> - #state{alloc=lists:delete(Ch, Alloc), free=[Ch|Free]}; + {lists:delete(Ch, Alloc), [Ch|Free]}; false -> Channels end. diff --git a/lib/stdlib/test/tar_SUITE.erl b/lib/stdlib/test/tar_SUITE.erl index 9b6d65011e..3b54cd0f34 100644 --- a/lib/stdlib/test/tar_SUITE.erl +++ b/lib/stdlib/test/tar_SUITE.erl @@ -89,7 +89,7 @@ borderline_test(Size, TempDir) -> ?line io:format("Testing size ~p", [Size]), %% Create a file and archive it. - ?line {_, _, X0} = erlang:now(), + X0 = erlang:monotonic_time(), ?line file:write_file(Name, random_byte_list(X0, Size)), ?line ok = erl_tar:create(Archive, [Name]), ?line ok = file:delete(Name), diff --git a/lib/stdlib/test/timer_SUITE.erl b/lib/stdlib/test/timer_SUITE.erl index bea2b3fb2a..ae32d98807 100644 --- a/lib/stdlib/test/timer_SUITE.erl +++ b/lib/stdlib/test/timer_SUITE.erl @@ -25,14 +25,11 @@ -include_lib("test_server/include/test_server.hrl"). -%% Test suite for timer module. This is a really nasty test it runs a -%% lot of timeouts and then checks in the end if any of them was -%% trigggered too early or if any late timeouts was much too -%% late. What should be added is more testing of the interface -%% functions I guess. But I don't have time for that now. +%% Random test of the timer module. This is a really nasty test, as it +%% runs a lot of timeouts and then checks in the end if any of them +%% was triggered too early or if any late timeouts was much too late. %% -%% Expect it to run for at least 5-10 minutes! - +%% Running time on average is about 90 seconds. %% The main test case in this module is "do_big_test", which %% orders a large number of timeouts and measures how @@ -40,15 +37,8 @@ %% also a number of other concurrent processes running "nrev" at the same %% time. The result is analyzed afterwards by trying to check if the %% measured values are reasonable. It is hard to determine what is -%% reasonable on different machines therefore the test can sometimes -%% fail, even though the timer module is ok. I have checked against -%% previous versions of the timer module (which contained bugs) and it -%% seems it fails every time when running the buggy timer modules. -%% -%% The solution is to rewrite the test suite. Possible strategies for a -%% rewrite: smarter math on the measuring data, test cases with varying -%% amount of load. The test suite should also include tests that test the -%% interface of the timer module. +%% reasonable on different machines; therefore the test can sometimes +%% fail, even though the timer module is ok. suite() -> [{ct_hooks,[ts_install_cth]}]. @@ -89,10 +79,7 @@ report_result(Error) -> ?line test_server:fail(Error). big_test(N) -> C = start_collect(), system_time(), system_time(), system_time(), - A1 = element(2, erlang:now()), - A2 = A1 * 3, - A3 = element(3, erlang:now()), - random:seed(A1, A2, A3), + random:seed(erlang:timestamp()), random:uniform(100),random:uniform(100),random:uniform(100), big_loop(C, N, []), @@ -146,7 +133,7 @@ big_loop(C, N, Pids) -> %%Pids2=Pids1, %% wait a little while - timer:sleep(random:uniform(200)*10), + timer:sleep(random:uniform(200)*3), %% spawn zero, one or two nrev to get some load ;-/ Pids3 = start_nrev(Pids2, random:uniform(100)), @@ -166,14 +153,14 @@ start_nrev(Pids, _N) -> start_after_test(Pids, C, 1) -> - TO1 = random:uniform(100)*100, + TO1 = random:uniform(100)*47, [s_a_t(C, TO1)|Pids]; start_after_test(Pids, C, 2) -> - TO1 = random:uniform(100)*100, - TO2 = TO1 div random:uniform(3) + 200, + TO1 = random:uniform(100)*47, + TO2 = TO1 div random:uniform(3) + 101, [s_a_t(C, TO1),s_a_t(C, TO2)|Pids]; start_after_test(Pids, C, N) -> - TO1 = random:uniform(100)*100, + TO1 = random:uniform(100)*47, start_after_test([s_a_t(C, TO1)|Pids], C, N-1). s_a_t(C, TimeOut) -> @@ -199,7 +186,7 @@ a_t(C, TimeOut) -> maybe_start_i_test(Pids, C, 1) -> %% ok do it - TOI = random:uniform(100)*100, + TOI = random:uniform(53)*49, CountI = random:uniform(10) + 3, % at least 4 times [spawn_link(timer_SUITE, i_t, [C, TOI, CountI])|Pids]; maybe_start_i_test(Pids, _C, _) -> @@ -374,9 +361,7 @@ res_combine({error,Es}, [{error,E}|T]) -> system_time() -> - %%element(1, statistics(wall_clock)). - {M,S,U} = erlang:now(), - 1000000000 * M + 1000 * S + (U div 1000). + erlang:monotonic_time(milli_seconds). %% ------------------------------------------------------- %% diff --git a/lib/stdlib/test/timer_simple_SUITE.erl b/lib/stdlib/test/timer_simple_SUITE.erl index dc751aad16..3c7e3c5f25 100644 --- a/lib/stdlib/test/timer_simple_SUITE.erl +++ b/lib/stdlib/test/timer_simple_SUITE.erl @@ -374,7 +374,6 @@ performance(Mod) -> big_test(M) -> Load_Pids = start_nrev(20, M), % Increase if more load wanted :) - apply(M, sleep, [9000]), LPids = spawn_timers(5, M, 10000, 5), apply(M, sleep, [4000]), @@ -483,8 +482,7 @@ append([],X) -> X. system_time() -> - {M,S,U} = erlang:now(), - 1000000*(M*1000000 + S) + U. + erlang:monotonic_time(micro_seconds). %% ------------------------------------------------------- %% diff --git a/lib/stdlib/test/unicode_SUITE.erl b/lib/stdlib/test/unicode_SUITE.erl index 10b29d0d28..9f5d485df6 100644 --- a/lib/stdlib/test/unicode_SUITE.erl +++ b/lib/stdlib/test/unicode_SUITE.erl @@ -29,7 +29,13 @@ random_lists/1, roundtrips/1, latin1/1, - exceptions/1, binaries_errors/1]). + exceptions/1, + binaries_errors_limit/1, + ex_binaries_errors_utf8/1, + ex_binaries_errors_utf16_little/1, + ex_binaries_errors_utf16_big/1, + ex_binaries_errors_utf32_little/1, + ex_binaries_errors_utf32_big/1]). init_per_testcase(Case, Config) when is_atom(Case), is_list(Config) -> Dog=?t:timetrap(?t:minutes(20)), @@ -44,10 +50,17 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [utf8_illegal_sequences_bif, utf16_illegal_sequences_bif, random_lists, roundtrips, - latin1, exceptions, binaries_errors]. + latin1, exceptions, + binaries_errors_limit, + {group,binaries_errors}]. groups() -> - []. + [{binaries_errors,[parallel], + [ex_binaries_errors_utf8, + ex_binaries_errors_utf16_little, + ex_binaries_errors_utf16_big, + ex_binaries_errors_utf32_little, + ex_binaries_errors_utf32_big]}]. init_per_suite(Config) -> Config. @@ -61,15 +74,11 @@ init_per_group(_GroupName, Config) -> end_per_group(_GroupName, Config) -> Config. -binaries_errors(Config) when is_list(Config) -> +binaries_errors_limit(Config) when is_list(Config) -> setlimit(10), ex_binaries_errors_utf8(Config), setlimit(default), - ex_binaries_errors_utf8(Config), - ex_binaries_errors_utf16_little(Config), - ex_binaries_errors_utf16_big(Config), - ex_binaries_errors_utf32_little(Config), - ex_binaries_errors_utf32_big(Config). + ok. ex_binaries_errors_utf8(Config) when is_list(Config) -> %% Original smoke test, we should not forget the original offset... @@ -78,8 +87,9 @@ ex_binaries_errors_utf8(Config) when is_list(Config) -> %% Now, try with longer binary (trapping) BrokenPart = list_to_binary(lists:seq(128,255)), BrokenSz = byte_size(BrokenPart), + Seq255 = lists:seq(1,255), [ begin - OKList = lists:flatten(lists:duplicate(N,lists:seq(1,255))), + OKList = lists:flatten(lists:duplicate(N,Seq255)), OKBin = unicode:characters_to_binary(OKList), OKLen = length(OKList), %% Copy to avoid that the binary get's writable @@ -102,109 +112,84 @@ ex_binaries_errors_utf8(Config) when is_list(Config) -> ok. ex_binaries_errors_utf16_little(Config) when is_list(Config) -> - BrokenPart = << <<X:16/little>> || X <- lists:seq(16#DC00,16#DFFF) >>, - BrokenSz = byte_size(BrokenPart), - [ begin - OKList = lists:flatten(lists:duplicate(N,lists:seq(1,255))), - OKBin = unicode:characters_to_binary(OKList,unicode,{utf16,little}), - OKLen = length(OKList), - %% Copy to avoid that the binary get's writable - PartlyBroken = binary:copy(<<OKBin/binary, BrokenPart/binary>>), - PBSz = byte_size(PartlyBroken), - {error,OKList,DeepBrokenPart} = - unicode:characters_to_list(PartlyBroken,{utf16,little}), - BrokenPart = iolist_to_binary(DeepBrokenPart), - [ begin - NewList = lists:nthtail(X, OKList), - NewSz = byte_size(unicode:characters_to_binary(NewList,unicode,{utf16,little})) + - BrokenSz, - Chomped = binary:part(PartlyBroken,PBSz - NewSz, NewSz), - true = (binary:referenced_byte_size(Chomped) =:= PBSz), - {error,NewList,DeepBrokenPart2} = - unicode:characters_to_list(Chomped,{utf16,little}), - BrokenPart = iolist_to_binary(DeepBrokenPart2) - end || X <- lists:seq(1,OKLen) ] - end || N <- lists:seq(1,16,3) ], - ok. + ex_binaries_errors_utf16(little). + ex_binaries_errors_utf16_big(Config) when is_list(Config) -> - BrokenPart = << <<X:16/big>> || X <- lists:seq(16#DC00,16#DFFF) >>, + ex_binaries_errors_utf16(big). + +ex_binaries_errors_utf16(Endian) -> + BrokenSeq = lists:seq(16#DC00, 16#DFFF), + BrokenPart = case Endian of + little -> + << <<X:16/little>> || X <- BrokenSeq >>; + big -> + << <<X:16/big>> || X <- BrokenSeq >> + end, BrokenSz = byte_size(BrokenPart), + Seq255 = lists:seq(1, 255), [ begin - OKList = lists:flatten(lists:duplicate(N,lists:seq(1,255))), - OKBin = unicode:characters_to_binary(OKList,unicode,{utf16,big}), - OKLen = length(OKList), - %% Copy to avoid that the binary get's writable - PartlyBroken = binary:copy(<<OKBin/binary, BrokenPart/binary>>), + OKList = lists:append(lists:duplicate(N, Seq255)), + OKBin = unicode:characters_to_binary(OKList, unicode, {utf16,Endian}), + PartlyBroken = iolist_to_binary([OKBin,BrokenPart]), PBSz = byte_size(PartlyBroken), {error,OKList,DeepBrokenPart} = - unicode:characters_to_list(PartlyBroken,{utf16,big}), + unicode:characters_to_list(PartlyBroken, {utf16,Endian}), BrokenPart = iolist_to_binary(DeepBrokenPart), - [ begin - NewList = lists:nthtail(X, OKList), - NewSz = byte_size(unicode:characters_to_binary(NewList,unicode,{utf16,big})) + - BrokenSz, - Chomped = binary:part(PartlyBroken,PBSz - NewSz, NewSz), - true = (binary:referenced_byte_size(Chomped) =:= PBSz), - {error,NewList,DeepBrokenPart2} = - unicode:characters_to_list(Chomped,{utf16,big}), - BrokenPart = iolist_to_binary(DeepBrokenPart2) - end || X <- lists:seq(1,OKLen) ] - end || N <- lists:seq(1,16,3) ], + utf16_inner_loop(OKList, BrokenPart, BrokenSz, + PartlyBroken, PBSz, Endian) + end || N <- lists:seq(1, 16, 3) ], + ok. + +utf16_inner_loop([_|List], BrokenPart, BrokenSz, PartlyBroken, PBSz, Endian) -> + Sz = length(List)*2 + BrokenSz, + Chomped = binary:part(PartlyBroken, PBSz - Sz, Sz), + true = binary:referenced_byte_size(Chomped) =:= PBSz, + {error,List,DeepBrokenPart} = + unicode:characters_to_list(Chomped, {utf16,Endian}), + BrokenPart = iolist_to_binary(DeepBrokenPart), + utf16_inner_loop(List, BrokenPart, BrokenSz, PartlyBroken, PBSz, Endian); +utf16_inner_loop([], _, _, _, _, _) -> ok. ex_binaries_errors_utf32_big(Config) when is_list(Config) -> - BrokenPart = << <<X:32/big>> || X <- lists:seq(16#DC00,16#DFFF) >>, - BrokenSz = byte_size(BrokenPart), - [ begin - OKList = lists:flatten(lists:duplicate(N,lists:seq(1,255))), - OKBin = unicode:characters_to_binary(OKList,unicode,{utf32,big}), - OKLen = length(OKList), - %% Copy to avoid that the binary get's writable - PartlyBroken = binary:copy(<<OKBin/binary, BrokenPart/binary>>), - PBSz = byte_size(PartlyBroken), - {error,OKList,DeepBrokenPart} = - unicode:characters_to_list(PartlyBroken,{utf32,big}), - BrokenPart = iolist_to_binary(DeepBrokenPart), - [ begin - NewList = lists:nthtail(X, OKList), - NewSz = byte_size(unicode:characters_to_binary(NewList,unicode,{utf32,big})) + - BrokenSz, - Chomped = binary:part(PartlyBroken,PBSz - NewSz, NewSz), - true = (binary:referenced_byte_size(Chomped) =:= PBSz), - {error,NewList,DeepBrokenPart2} = - unicode:characters_to_list(Chomped,{utf32,big}), - BrokenPart = iolist_to_binary(DeepBrokenPart2) - end || X <- lists:seq(1,OKLen) ] - end || N <- lists:seq(1,16,3) ], - ok. + ex_binaries_errors_utf32(big). ex_binaries_errors_utf32_little(Config) when is_list(Config) -> - BrokenPart = << <<X:32/little>> || X <- lists:seq(16#DC00,16#DFFF) >>, + ex_binaries_errors_utf32(little). + +ex_binaries_errors_utf32(Endian) -> + BrokenSeq = lists:seq(16#DC00, 16#DFFF), + BrokenPart = case Endian of + little -> + << <<X:32/little>> || X <- BrokenSeq >>; + big -> + << <<X:32/big>> || X <- BrokenSeq >> + end, BrokenSz = byte_size(BrokenPart), + Seq255 = lists:seq(1, 255), [ begin - OKList = lists:flatten(lists:duplicate(N,lists:seq(1,255))), - OKBin = unicode:characters_to_binary(OKList,unicode,{utf32,little}), - OKLen = length(OKList), - %% Copy to avoid that the binary get's writable - PartlyBroken = binary:copy(<<OKBin/binary, BrokenPart/binary>>), + OKList = lists:append(lists:duplicate(N, Seq255)), + OKBin = unicode:characters_to_binary(OKList, unicode, {utf32,Endian}), + PartlyBroken = iolist_to_binary([OKBin,BrokenPart]), PBSz = byte_size(PartlyBroken), {error,OKList,DeepBrokenPart} = - unicode:characters_to_list(PartlyBroken,{utf32,little}), + unicode:characters_to_list(PartlyBroken, {utf32,Endian}), BrokenPart = iolist_to_binary(DeepBrokenPart), - [ begin - NewList = lists:nthtail(X, OKList), - NewSz = byte_size(unicode:characters_to_binary(NewList,unicode,{utf32,little})) + - BrokenSz, - Chomped = binary:part(PartlyBroken,PBSz - NewSz, NewSz), - true = (binary:referenced_byte_size(Chomped) =:= PBSz), - {error,NewList,DeepBrokenPart2} = - unicode:characters_to_list(Chomped,{utf32,little}), - BrokenPart = iolist_to_binary(DeepBrokenPart2) - end || X <- lists:seq(1,OKLen) ] - end || N <- lists:seq(1,16,3) ], + utf32_inner_loop(OKList, BrokenPart, BrokenSz, + PartlyBroken, PBSz, Endian) + end || N <- lists:seq(1, 16, 3) ], ok. - +utf32_inner_loop([_|List], BrokenPart, BrokenSz, PartlyBroken, PBSz, Endian) -> + Sz = length(List)*4 + BrokenSz, + Chomped = binary:part(PartlyBroken, PBSz - Sz, Sz), + true = binary:referenced_byte_size(Chomped) =:= PBSz, + {error,List,DeepBrokenPart} = + unicode:characters_to_list(Chomped, {utf32,Endian}), + BrokenPart = iolist_to_binary(DeepBrokenPart), + utf32_inner_loop(List, BrokenPart, BrokenSz, PartlyBroken, PBSz, Endian); +utf32_inner_loop([], _, _, _, _, _) -> + ok. exceptions(Config) when is_list(Config) -> setlimit(10), diff --git a/lib/stdlib/test/zip_SUITE.erl b/lib/stdlib/test/zip_SUITE.erl index a57641ef62..08243f7c4f 100644 --- a/lib/stdlib/test/zip_SUITE.erl +++ b/lib/stdlib/test/zip_SUITE.erl @@ -23,7 +23,7 @@ bad_zip/1, unzip_from_binary/1, unzip_to_binary/1, zip_to_binary/1, unzip_options/1, zip_options/1, list_dir_options/1, aliases/1, - openzip_api/1, zip_api/1, unzip_jar/1, + openzip_api/1, zip_api/1, open_leak/1, unzip_jar/1, compress_control/1, foldl/1]). @@ -38,7 +38,7 @@ all() -> [borderline, atomic, bad_zip, unzip_from_binary, unzip_to_binary, zip_to_binary, unzip_options, zip_options, list_dir_options, aliases, openzip_api, - zip_api, unzip_jar, compress_control, foldl]. + zip_api, open_leak, unzip_jar, compress_control, foldl]. groups() -> []. @@ -84,7 +84,7 @@ borderline_test(Size, TempDir) -> io:format("Testing size ~p", [Size]), %% Create a file and archive it. - {_, _, X0} = erlang:now(), + {_, _, X0} = erlang:timestamp(), file:write_file(Name, random_byte_list(X0, Size)), {ok, Archive} = zip:zip(Archive, [Name]), ok = file:delete(Name), @@ -318,8 +318,46 @@ zip_api(Config) when is_list(Config) -> %% Clean up. delete_files([Names]), + ok. + +open_leak(doc) -> + ["Test that zip doesn't leak processes and ports where the " + "controlling process dies without closing an zip opened with " + "zip:zip_open/1."]; +open_leak(suite) -> []; +open_leak(Config) when is_list(Config) -> + %% Create a zip archive + Zip = "zip.zip", + {ok, Zip} = zip:zip(Zip, [], []), + + %% Open archive in a another process that dies immediately. + ZipSrv = spawn_zip(Zip, [memory]), + + %% Expect the ZipSrv process to die soon after. + true = spawned_zip_dead(ZipSrv), + + %% Clean up. + delete_files([Zip]), + ok. +spawn_zip(Zip, Options) -> + Self = self(), + spawn(fun() -> Self ! zip:zip_open(Zip, Options) end), + receive + {ok, ZipSrv} -> + ZipSrv + end. + +spawned_zip_dead(ZipSrv) -> + Ref = monitor(process, ZipSrv), + receive + {'DOWN', Ref, _, ZipSrv, _} -> + true + after 1000 -> + false + end. + unzip_options(doc) -> ["Test options for unzip, only cwd and file_list currently"]; unzip_options(suite) -> @@ -568,7 +606,7 @@ zip_to_binary(Config) when is_list(Config) -> aliases(doc) -> ["Test using the aliases, extract/2, table/2 and create/3"]; aliases(Config) when is_list(Config) -> - {_, _, X0} = erlang:now(), + {_, _, X0} = erlang:timestamp(), Size = 100, B = list_to_binary(random_byte_list(X0, Size)), %% create diff --git a/lib/stdlib/vsn.mk b/lib/stdlib/vsn.mk index f57f31c8de..a1f2a946b1 100644 --- a/lib/stdlib/vsn.mk +++ b/lib/stdlib/vsn.mk @@ -1 +1 @@ -STDLIB_VSN = 2.4 +STDLIB_VSN = 2.5 |