diff options
Diffstat (limited to 'lib/compiler/doc/src')
| -rw-r--r-- | lib/compiler/doc/src/Makefile | 11 | ||||
| -rw-r--r-- | lib/compiler/doc/src/book.xml | 3 | ||||
| -rw-r--r-- | lib/compiler/doc/src/compile.xml | 46 | ||||
| -rw-r--r-- | lib/compiler/doc/src/internal.xml | 38 | ||||
| -rw-r--r-- | lib/compiler/doc/src/notes.xml | 52 |
5 files changed, 132 insertions, 18 deletions
diff --git a/lib/compiler/doc/src/Makefile b/lib/compiler/doc/src/Makefile index 32f150eef8..2fb163b9e7 100644 --- a/lib/compiler/doc/src/Makefile +++ b/lib/compiler/doc/src/Makefile @@ -31,6 +31,7 @@ APPLICATION=compiler # Release directory specification # ---------------------------------------------------- RELSYSDIR = $(RELEASE_PATH)/lib/$(APPLICATION)-$(VSN) +COMPILER_DIR = $(ERL_TOP)/lib/compiler/src # ---------------------------------------------------- # Target Specs @@ -38,7 +39,7 @@ RELSYSDIR = $(RELEASE_PATH)/lib/$(APPLICATION)-$(VSN) XML_APPLICATION_FILES = ref_man.xml XML_REF3_FILES = compile.xml -XML_PART_FILES = +XML_PART_FILES = internal.xml XML_CHAPTER_FILES = notes.xml BOOK_FILES = book.xml @@ -49,6 +50,9 @@ XML_FILES = \ $(BOOK_FILES) $(XML_CHAPTER_FILES) \ $(XML_PART_FILES) $(XML_REF3_FILES) $(XML_APPLICATION_FILES) +XML_INTERNAL_FILES = \ + cerl.xml cerl_trees.xml cerl_clauses.xml + # ---------------------------------------------------- HTML_FILES = $(XML_APPLICATION_FILES:%.xml=$(HTMLDIR)/%.html) \ @@ -62,6 +66,8 @@ HTML_REF_MAN_FILE = $(HTMLDIR)/index.html TOP_PDF_FILE = $(PDFDIR)/$(APPLICATION)-$(VSN).pdf +XML_GEN_FILES = $(XML_INTERNAL_FILES:%=$(XMLDIR)/%) + # ---------------------------------------------------- # FLAGS # ---------------------------------------------------- @@ -85,6 +91,9 @@ man: $(MAN3_FILES) gifs: $(GIF_FILES:%=$(HTMLDIR)/%) +$(XML_INTERNAL_FILES:%=$(XMLDIR)/%): $(COMPILER_DIR)/$(@:$(XMLDIR)/%.xml=%.erl) + $(gen_verbose)escript $(DOCGEN)/priv/bin/xml_from_edoc.escript -def vsn $(COMPILER_VSN) -dir $(XMLDIR) $(COMPILER_DIR)/$(@:$(XMLDIR)/%.xml=%.erl) + debug opt: clean clean_docs: diff --git a/lib/compiler/doc/src/book.xml b/lib/compiler/doc/src/book.xml index af6b4cf47a..d101d40cb4 100644 --- a/lib/compiler/doc/src/book.xml +++ b/lib/compiler/doc/src/book.xml @@ -38,6 +38,9 @@ <applications> <xi:include href="ref_man.xml"/> </applications> + <internals> + <xi:include href="internal.xml"/> + </internals> <releasenotes> <xi:include href="notes.xml"/> </releasenotes> diff --git a/lib/compiler/doc/src/compile.xml b/lib/compiler/doc/src/compile.xml index cfbd4c7fda..5219ba0f5d 100644 --- a/lib/compiler/doc/src/compile.xml +++ b/lib/compiler/doc/src/compile.xml @@ -29,7 +29,7 @@ <rev>A</rev> <file>compile.sgml</file> </header> - <module>compile</module> + <module since="">compile</module> <modulesummary>Erlang Compiler</modulesummary> <description> <p>This module provides an interface to the standard Erlang @@ -40,7 +40,7 @@ <funcs> <func> - <name>env_compiler_options()</name> + <name since="OTP 19.0">env_compiler_options()</name> <fsummary> Compiler options defined via the environment variable <c>ERL_COMPILER_OPTIONS</c> @@ -53,7 +53,7 @@ </desc> </func> <func> - <name>file(File)</name> + <name since="">file(File)</name> <fsummary>Compiles a file.</fsummary> <desc> <p>Is the same as @@ -63,7 +63,7 @@ </func> <func> - <name>file(File, Options) -> CompRet</name> + <name since="">file(File, Options) -> CompRet</name> <fsummary>Compiles a file.</fsummary> <type> <v>CompRet = ModRet | BinRet | ErrRet</v> @@ -416,6 +416,17 @@ module.beam: module.erl \ is not documented, and can change between releases.</p> </item> + <tag><c>no_spawn_compiler_process</c></tag> + <item> + <p>By default, all code is compiled in a separate process + which is terminated at the end of compilation. However, + some tools, like Dialyzer or compilers for other BEAM languages, + may already manage their own worker processes and spawning + an extra process may slow the compilation down. + In such scenarios, you can pass this option to stop the + compiler from spawning an additional process.</p> + </item> + <tag><c>no_strict_record_tests</c></tag> <item> <p>This option is not recommended.</p> @@ -684,12 +695,13 @@ module.beam: module.erl \ </note> <note> - <p>The options <c>{nowarn_unused_function, FAs}</c>, - <c>{nowarn_bif_clash, FAs}</c>, and - <c>{nowarn_deprecated_function, MFAs}</c> are only - recognized when given in files. They are not affected by - options <c>warn_unused_function</c>, <c>warn_bif_clash</c>, or - <c>warn_deprecated_function</c>.</p> + <p>Before OTP 22, the option <c>{nowarn_deprecated_function, + MFAs}</c> was only recognized when given in the file with + attribute <c>-compile()</c>. (The option + <c>{nowarn_unused_function,FAs}</c> was incorrectly documented + to only work in a file, but it also worked when given in the + option list.) Starting from OTP 22, all options that can be + given in the file can also be given in the option list.</p> </note> <p>For debugging of the compiler, or for pure curiosity, @@ -718,7 +730,7 @@ module.beam: module.erl \ </func> <func> - <name>forms(Forms)</name> + <name since="">forms(Forms)</name> <fsummary>Compiles a list of forms.</fsummary> <desc> <p>Is the same as @@ -728,7 +740,7 @@ module.beam: module.erl \ </func> <func> - <name>forms(Forms, Options) -> CompRet</name> + <name since="">forms(Forms, Options) -> CompRet</name> <fsummary>Compiles a list of forms.</fsummary> <type> <v>Forms = [Form]</v> @@ -749,7 +761,7 @@ module.beam: module.erl \ </func> <func> - <name>format_error(ErrorDescriptor) -> chars()</name> + <name since="">format_error(ErrorDescriptor) -> chars()</name> <fsummary>Formats an error descriptor.</fsummary> <type> <v>ErrorDescriptor = errordesc()</v> @@ -764,7 +776,7 @@ module.beam: module.erl \ </func> <func> - <name>output_generated(Options) -> true | false</name> + <name since="">output_generated(Options) -> true | false</name> <fsummary>Determines whether the compiler generates an output file.</fsummary> <type> <v>Options = [term()]</v> @@ -779,7 +791,7 @@ module.beam: module.erl \ </func> <func> - <name>noenv_file(File, Options) -> CompRet</name> + <name since="">noenv_file(File, Options) -> CompRet</name> <fsummary>Compiles a file (ignoring <c>ERL_COMPILER_OPTIONS)</c>.</fsummary> <desc> <p>Works like <seealso marker="#file/2">file/2</seealso>, @@ -789,7 +801,7 @@ module.beam: module.erl \ </func> <func> - <name>noenv_forms(Forms, Options) -> CompRet</name> + <name since="">noenv_forms(Forms, Options) -> CompRet</name> <fsummary>Compiles a list of forms (ignoring <c>ERL_COMPILER_OPTIONS)</c>.</fsummary> <desc> <p>Works like <seealso marker="#forms/2">forms/2</seealso>, @@ -799,7 +811,7 @@ module.beam: module.erl \ </func> <func> - <name>noenv_output_generated(Options) -> true | false</name> + <name since="">noenv_output_generated(Options) -> true | false</name> <fsummary>Determines whether the compiler generates an output file (ignoring <c>ERL_COMPILER_OPTIONS)</c>.</fsummary> <type> diff --git a/lib/compiler/doc/src/internal.xml b/lib/compiler/doc/src/internal.xml new file mode 100644 index 0000000000..f24b363c1c --- /dev/null +++ b/lib/compiler/doc/src/internal.xml @@ -0,0 +1,38 @@ +<?xml version="1.0" encoding="utf-8" ?> +<!DOCTYPE part SYSTEM "part.dtd"> + +<internal xmlns:xi="http://www.w3.org/2001/XInclude"> + <header> + <copyright> + <year>2018</year><year>2018</year> + <holder>Ericsson AB. All Rights Reserved.</holder> + </copyright> + <legalnotice> + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + + </legalnotice> + + <title>Compiler Internal Documentation</title> + <prepared>Lukas Larsson</prepared> + <docno></docno> + <date>2018-07-07</date> + <rev>1.0.0</rev> + <file>internal.xml</file> + </header> + <description> + </description> + <xi:include href="cerl.xml"/> + <xi:include href="cerl_trees.xml"/> + <xi:include href="cerl_clauses.xml"/> +</internal> + diff --git a/lib/compiler/doc/src/notes.xml b/lib/compiler/doc/src/notes.xml index 7addadf82c..d45dfef8f3 100644 --- a/lib/compiler/doc/src/notes.xml +++ b/lib/compiler/doc/src/notes.xml @@ -32,6 +32,58 @@ <p>This document describes the changes made to the Compiler application.</p> +<section><title>Compiler 7.3.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>An expression such as <c>(A / B) band 16#ff</c> would + crash the compiler.</p> + <p> + Own Id: OTP-15518 Aux Id: ERL-829 </p> + </item> + <item> + <p>There could be an incorrect warning when the + <c>tuple_calls</c> option was given. The generated code + would be correct. Here is an example of code that would + trigger the warning:</p> + <p><c>(list_to_atom("prefix_" ++ + atom_to_list(suffix))):doit(X)</c>.</p> + <p> + Own Id: OTP-15552 Aux Id: ERL-838 </p> + </item> + <item> + <p>Optimize (again) Dialyzer's handling of + left-associative use of <c>andalso</c> and <c>orelse</c> + in guards.</p> + <p> + Own Id: OTP-15577 Aux Id: ERL-851, PR-2141, PR-1944 </p> + </item> + </list> + </section> + +</section> + +<section><title>Compiler 7.3.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>An optimization that avoided allocation of a stack + frame for some <c>case</c> expressions was introduced in + OTP 21. (ERL-504/OTP-14808) It turns out that in rare + circumstances, this optimization is not safe. Therefore, + this optimization has been disabled.</p> + <p>A similar optimization will be included in OTP 22 in a + safe way.</p> + <p> + Own Id: OTP-15501 Aux Id: ERL-807, ERL-514, OTP-14808 </p> + </item> + </list> + </section> + +</section> + <section><title>Compiler 7.3</title> <section><title>Fixed Bugs and Malfunctions</title> |