diff options
Diffstat (limited to 'lib/compiler')
25 files changed, 417 insertions, 181 deletions
diff --git a/lib/compiler/doc/src/Makefile b/lib/compiler/doc/src/Makefile index c6864cb835..254445c111 100644 --- a/lib/compiler/doc/src/Makefile +++ b/lib/compiler/doc/src/Makefile @@ -1,8 +1,8 @@ # # %CopyrightBegin% -# -# Copyright Ericsson AB 1997-2016. All Rights Reserved. -# +# +# Copyright Ericsson AB 1997-2017. All Rights Reserved. +# # 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 @@ -14,7 +14,7 @@ # 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. -# +# # %CopyrightEnd% # include $(ERL_TOP)/make/target.mk @@ -38,13 +38,12 @@ RELSYSDIR = $(RELEASE_PATH)/lib/$(APPLICATION)-$(VSN) XML_APPLICATION_FILES = ref_man.xml XML_REF3_FILES = compile.xml -XML_PART_FILES = part_notes.xml part_notes_history.xml +XML_PART_FILES = XML_CHAPTER_FILES = notes.xml notes_history.xml BOOK_FILES = book.xml -GIF_FILES = \ - warning.gif +GIF_FILES = XML_FILES = \ $(BOOK_FILES) $(XML_CHAPTER_FILES) \ @@ -64,9 +63,9 @@ HTML_REF_MAN_FILE = $(HTMLDIR)/index.html TOP_PDF_FILE = $(PDFDIR)/$(APPLICATION)-$(VSN).pdf # ---------------------------------------------------- -# FLAGS +# FLAGS # ---------------------------------------------------- -XML_FLAGS += +XML_FLAGS += # ---------------------------------------------------- # Targets @@ -86,17 +85,17 @@ man: $(MAN3_FILES) gifs: $(GIF_FILES:%=$(HTMLDIR)/%) -debug opt: +debug opt: clean clean_docs: rm -rf $(HTMLDIR)/* rm -f $(MAN3DIR)/* rm -f $(TOP_PDF_FILE) $(TOP_PDF_FILE:%.pdf=%.fo) - rm -f errs core *~ + rm -f errs core *~ # ---------------------------------------------------- # Release Target -# ---------------------------------------------------- +# ---------------------------------------------------- include $(ERL_TOP)/make/otp_release_targets.mk release_docs_spec: docs @@ -110,4 +109,3 @@ release_docs_spec: docs $(INSTALL_DATA) $(MAN3DIR)/* "$(RELEASE_PATH)/man/man3" release_spec: - diff --git a/lib/compiler/doc/src/compile.xml b/lib/compiler/doc/src/compile.xml index 10164890f2..b398871ddf 100644 --- a/lib/compiler/doc/src/compile.xml +++ b/lib/compiler/doc/src/compile.xml @@ -123,6 +123,17 @@ in the Efficiency Guide.</p> </item> + <tag><c>{compile_info, [{atom(), term()}]}</c></tag> + <item> + <p>Allows compilers built on top of <c>compile</c> to attach + extra compilation metadata to the <c>compile_info</c> chunk + in the generated beam file.</p> + + <p>It is advised for compilers to remove all non-deterministic + information if the <c>deterministic</c> option is supported and + it was supplied by the user.</p> + </item> + <tag><c>compressed</c></tag> <item> <p>The compiler will compress the generated object code, diff --git a/lib/compiler/doc/src/fascicules.xml b/lib/compiler/doc/src/fascicules.xml deleted file mode 100644 index fadd37eefb..0000000000 --- a/lib/compiler/doc/src/fascicules.xml +++ /dev/null @@ -1,15 +0,0 @@ -<?xml version="1.0" encoding="utf-8" ?> -<!DOCTYPE fascicules SYSTEM "fascicules.dtd"> - -<fascicules> - <fascicule file="ref_man" href="ref_man_frame.html" entry="yes"> - Reference Manual - </fascicule> - <fascicule file="part_notes" href="part_notes_frame.html" entry="no"> - Release Notes - </fascicule> - <fascicule file="" href="../../../../doc/print.html" entry="no"> - Off-Print - </fascicule> -</fascicules> - diff --git a/lib/compiler/doc/src/note.gif b/lib/compiler/doc/src/note.gif Binary files differdeleted file mode 100644 index 6fffe30419..0000000000 --- a/lib/compiler/doc/src/note.gif +++ /dev/null diff --git a/lib/compiler/doc/src/notes.xml b/lib/compiler/doc/src/notes.xml index f3d42a909b..433fc3b86e 100644 --- a/lib/compiler/doc/src/notes.xml +++ b/lib/compiler/doc/src/notes.xml @@ -32,6 +32,94 @@ <p>This document describes the changes made to the Compiler application.</p> +<section><title>Compiler 7.1.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>The compiler could issue an incorrect internal + consistency failure diagnostic for some complicated bit + syntax maches.</p> + <p> + Own Id: OTP-14640 Aux Id: ERL-490 </p> + </item> + </list> + </section> + +</section> + +<section><title>Compiler 7.1.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>Fail labels on guard BIFs weren't taken into account + during an optimization pass, and a bug in the validation + pass sometimes prevented this from being noticed when a + fault occurred.</p> + <p> + Own Id: OTP-14522 Aux Id: ERIERL-48 </p> + </item> + <item> + <p> + When compiling from Core Erlang, an 'apply' with a nested + apply in the function position would be treated as an + invalid call. Corrected. (Thanks to Mikael Pettersson for + reporting this bug.)</p> + <p> + Own Id: OTP-14526</p> + </item> + <item> + <p>Fixed checking of binary matching in the + <c>beam_validator</c> module to ensure that potential + compiler bugs are found at compile-time instead as + emulator crash at run-time.</p> + <p> + Own Id: OTP-14591</p> + </item> + <item> + <p>There could be false warnings for + <c>erlang:get_stacktrace/0</c> being used outside of a + <c>try</c> block when using multiple <c>catch</c> + clauses.</p> + <p> + Own Id: OTP-14600 Aux Id: ERL-478 </p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> The Erlang code linter no longer checks that the + functions mentioned in <c>nowarn_deprecated_function</c> + options are declared in the module. </p> + <p> + Own Id: OTP-14378</p> + </item> + </list> + </section> + +</section> + +<section><title>Compiler 7.1.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>Fail labels on guard BIFs weren't taken into account + during an optimization pass, and a bug in the validation + pass sometimes prevented this from being noticed when a + fault occurred.</p> + <p> + Own Id: OTP-14522 Aux Id: ERIERL-48 </p> + </item> + </list> + </section> + +</section> + <section><title>Compiler 7.1</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -206,6 +294,23 @@ </section> +<section><title>Compiler 7.0.4.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>Fail labels on guard BIFs weren't taken into account + during an optimization pass, and a bug in the validation + pass sometimes prevented this from being noticed when a + fault occurred.</p> + <p> + Own Id: OTP-14522 Aux Id: ERIERL-48 </p> + </item> + </list> + </section> + +</section> + <section><title>Compiler 7.0.4</title> <section><title>Fixed Bugs and Malfunctions</title> diff --git a/lib/compiler/doc/src/part_notes.xml b/lib/compiler/doc/src/part_notes.xml deleted file mode 100644 index c1f0ff3861..0000000000 --- a/lib/compiler/doc/src/part_notes.xml +++ /dev/null @@ -1,40 +0,0 @@ -<?xml version="1.0" encoding="utf-8" ?> -<!DOCTYPE part SYSTEM "part.dtd"> - -<part xmlns:xi="http://www.w3.org/2001/XInclude"> - <header> - <copyright> - <year>2004</year><year>2016</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 Release Notes</title> - <prepared></prepared> - <docno></docno> - <date>2004-09-07</date> - <rev>1.0</rev> - </header> - <description> - <p>The <em>Compiler</em> application compiles Erlang - code to byte-code. The highly compact byte-code is executed by - the Erlang emulator.</p> - <p>For information about older versions, see - <url href="part_notes_history_frame.html">Release Notes History</url>.</p> - </description> - <xi:include href="notes.xml"/> -</part> - diff --git a/lib/compiler/doc/src/part_notes_history.xml b/lib/compiler/doc/src/part_notes_history.xml deleted file mode 100644 index 4019676b83..0000000000 --- a/lib/compiler/doc/src/part_notes_history.xml +++ /dev/null @@ -1,40 +0,0 @@ -<?xml version="1.0" encoding="utf-8" ?> -<!DOCTYPE part SYSTEM "part.dtd"> - -<part> - <header> - <copyright> - <year>2006</year> - <year>2016</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. - - The Initial Developer of the Original Code is Ericsson AB. - </legalnotice> - - <title>Compiler Release Notes History</title> - <prepared></prepared> - <docno></docno> - <date></date> - <rev></rev> - </header> - <description> - <p>The <em>Compiler</em> application compiles Erlang - code to byte-code. The highly compact byte-code is executed by - the Erlang emulator.</p> - </description> - <include file="notes_history"></include> -</part> - diff --git a/lib/compiler/doc/src/user_guide.gif b/lib/compiler/doc/src/user_guide.gif Binary files differdeleted file mode 100644 index e6275a803d..0000000000 --- a/lib/compiler/doc/src/user_guide.gif +++ /dev/null diff --git a/lib/compiler/doc/src/warning.gif b/lib/compiler/doc/src/warning.gif Binary files differdeleted file mode 100644 index 96af52360e..0000000000 --- a/lib/compiler/doc/src/warning.gif +++ /dev/null diff --git a/lib/compiler/src/beam_asm.erl b/lib/compiler/src/beam_asm.erl index c35efdfc9d..9ecbb7884c 100644 --- a/lib/compiler/src/beam_asm.erl +++ b/lib/compiler/src/beam_asm.erl @@ -21,7 +21,7 @@ -module(beam_asm). --export([module/5]). +-export([module/4]). -export([encode/2]). -export_type([fail/0,label/0,reg/0,src/0,module_code/0,function_name/0]). @@ -55,20 +55,20 @@ -type module_code() :: {module(),[_],[_],[asm_function()],pos_integer()}. --spec module(module_code(), [{binary(), binary()}], [_], [compile:option()], [compile:option()]) -> +-spec module(module_code(), [{binary(), binary()}], [{atom(),term()}], [compile:option()]) -> {'ok',binary()}. -module(Code, ExtraChunks, SourceFile, Opts, CompilerOpts) -> - {ok,assemble(Code, ExtraChunks, SourceFile, Opts, CompilerOpts)}. +module(Code, ExtraChunks, CompileInfo, CompilerOpts) -> + {ok,assemble(Code, ExtraChunks, CompileInfo, CompilerOpts)}. -assemble({Mod,Exp0,Attr0,Asm0,NumLabels}, ExtraChunks, SourceFile, Opts, CompilerOpts) -> +assemble({Mod,Exp0,Attr0,Asm0,NumLabels}, ExtraChunks, CompileInfo, CompilerOpts) -> {1,Dict0} = beam_dict:atom(Mod, beam_dict:new()), {0,Dict1} = beam_dict:fname(atom_to_list(Mod) ++ ".erl", Dict0), NumFuncs = length(Asm0), {Asm,Attr} = on_load(Asm0, Attr0), Exp = cerl_sets:from_list(Exp0), {Code,Dict2} = assemble_1(Asm, Exp, Dict1, []), - build_file(Code, Attr, Dict2, NumLabels, NumFuncs, ExtraChunks, SourceFile, Opts, CompilerOpts). + build_file(Code, Attr, Dict2, NumLabels, NumFuncs, ExtraChunks, CompileInfo, CompilerOpts). on_load(Fs0, Attr0) -> case proplists:get_value(on_load, Attr0) of @@ -111,7 +111,7 @@ assemble_function([H|T], Acc, Dict0) -> assemble_function([], Code, Dict) -> {Code, Dict}. -build_file(Code, Attr, Dict, NumLabels, NumFuncs, ExtraChunks, SourceFile, Opts, CompilerOpts) -> +build_file(Code, Attr, Dict, NumLabels, NumFuncs, ExtraChunks, CompileInfo, CompilerOpts) -> %% Create the code chunk. CodeChunk = chunk(<<"Code">>, @@ -182,7 +182,7 @@ build_file(Code, Attr, Dict, NumLabels, NumFuncs, ExtraChunks, SourceFile, Opts, Essentials1 = [iolist_to_binary(C) || C <- Essentials0], MD5 = module_md5(Essentials1), Essentials = finalize_fun_table(Essentials1, MD5), - {Attributes,Compile} = build_attributes(Opts, SourceFile, Attr, MD5), + {Attributes,Compile} = build_attributes(Attr, CompileInfo, MD5), AttrChunk = chunk(<<"Attr">>, Attributes), CompileChunk = chunk(<<"CInf">>, Compile), @@ -192,7 +192,7 @@ build_file(Code, Attr, Dict, NumLabels, NumFuncs, ExtraChunks, SourceFile, Opts, %% Create IFF chunk. - Chunks = case member(slim, Opts) of + Chunks = case member(slim, CompilerOpts) of true -> [Essentials,AttrChunk]; false -> @@ -264,22 +264,10 @@ flatten_exports(Exps) -> flatten_imports(Imps) -> list_to_binary(map(fun({M,F,A}) -> <<M:32,F:32,A:32>> end, Imps)). -build_attributes(Opts, SourceFile, Attr, MD5) -> - Misc0 = case SourceFile of - [] -> []; - [_|_] -> [{source,SourceFile}] - end, - Misc = case member(slim, Opts) of - false -> Misc0; - true -> [] - end, - Compile = case member(deterministic, Opts) of - false -> - [{options,Opts},{version,?COMPILER_VSN}|Misc]; - true -> - [{version,?COMPILER_VSN}] - end, - {term_to_binary(set_vsn_attribute(Attr, MD5)),term_to_binary(Compile)}. +build_attributes(Attr, Compile, MD5) -> + AttrBinary = term_to_binary(set_vsn_attribute(Attr, MD5)), + CompileBinary = term_to_binary([{version,?COMPILER_VSN}|Compile]), + {AttrBinary,CompileBinary}. build_line_table(Dict) -> {NumLineInstrs,NumFnames0,Fnames0,NumLines,Lines0} = diff --git a/lib/compiler/src/beam_peep.erl b/lib/compiler/src/beam_peep.erl index 6df5c02334..9436c20b36 100644 --- a/lib/compiler/src/beam_peep.erl +++ b/lib/compiler/src/beam_peep.erl @@ -89,15 +89,37 @@ peep([{gc_bif,_,_,_,_,Dst}=I|Is], SeenTests0, Acc) -> peep([{jump,{f,L}},{label,L}=I|Is], _, Acc) -> %% Sometimes beam_jump has missed this optimization. peep(Is, gb_sets:empty(), [I|Acc]); -peep([{select,Op,R,F,Vls0}|Is], _, Acc) -> +peep([{select,Op,R,F,Vls0}|Is], SeenTests0, Acc0) -> case prune_redundant_values(Vls0, F) of [] -> %% No values left. Must convert to plain jump. I = {jump,F}, - peep(Is, gb_sets:empty(), [I|Acc]); + peep([I|Is], gb_sets:empty(), Acc0); + [{atom,_}=Value,Lbl] when Op =:= select_val -> + %% Single value left. Convert to regular test and pop redundant tests. + Is1 = [{test,is_eq_exact,F,[R,Value]},{jump,Lbl}|Is], + case Acc0 of + [{test,is_atom,F,[R]}|Acc] -> + peep(Is1, SeenTests0, Acc); + _ -> + peep(Is1, SeenTests0, Acc0) + end; + [{integer,_}=Value,Lbl] when Op =:= select_val -> + %% Single value left. Convert to regular test and pop redundant tests. + Is1 = [{test,is_eq_exact,F,[R,Value]},{jump,Lbl}|Is], + case Acc0 of + [{test,is_integer,F,[R]}|Acc] -> + peep(Is1, SeenTests0, Acc); + _ -> + peep(Is1, SeenTests0, Acc0) + end; + [Arity,Lbl] when Op =:= select_tuple_arity -> + %% Single value left. Convert to regular test + Is1 = [{test,test_arity,F,[R,Arity]},{jump,Lbl}|Is], + peep(Is1, SeenTests0, Acc0); [_|_]=Vls -> I = {select,Op,R,F,Vls}, - peep(Is, gb_sets:empty(), [I|Acc]) + peep(Is, gb_sets:empty(), [I|Acc0]) end; peep([{test,Op,_,Ops}=I|Is], SeenTests0, Acc) -> case beam_utils:is_pure_test(I) of diff --git a/lib/compiler/src/beam_utils.erl b/lib/compiler/src/beam_utils.erl index 52ed1c7ca0..a4c65397df 100644 --- a/lib/compiler/src/beam_utils.erl +++ b/lib/compiler/src/beam_utils.erl @@ -32,6 +32,11 @@ -import(lists, [map/2,member/2,sort/1,reverse/1,splitwith/2]). +-define(is_const(Val), (element(1, Val) =:= integer orelse + element(1, Val) =:= float orelse + element(1, Val) =:= atom orelse + element(1, Val) =:= literal)). + %% instruction() describes all instructions that are used during optimzation %% (from beam_a to beam_z). -type instruction() :: atom() | tuple(). @@ -197,10 +202,20 @@ bif_to_test('>', [A,B], Fail) -> {test,is_lt,Fail,[B,A]}; bif_to_test('<', [_,_]=Ops, Fail) -> {test,is_lt,Fail,Ops}; bif_to_test('>=', [_,_]=Ops, Fail) -> {test,is_ge,Fail,Ops}; bif_to_test('==', [A,nil], Fail) -> {test,is_nil,Fail,[A]}; +bif_to_test('==', [nil,A], Fail) -> {test,is_nil,Fail,[A]}; +bif_to_test('==', [C,A], Fail) when ?is_const(C) -> + {test,is_eq,Fail,[A,C]}; bif_to_test('==', [_,_]=Ops, Fail) -> {test,is_eq,Fail,Ops}; +bif_to_test('/=', [C,A], Fail) when ?is_const(C) -> + {test,is_ne,Fail,[A,C]}; bif_to_test('/=', [_,_]=Ops, Fail) -> {test,is_ne,Fail,Ops}; bif_to_test('=:=', [A,nil], Fail) -> {test,is_nil,Fail,[A]}; +bif_to_test('=:=', [nil,A], Fail) -> {test,is_nil,Fail,[A]}; +bif_to_test('=:=', [C,A], Fail) when ?is_const(C) -> + {test,is_eq_exact,Fail,[A,C]}; bif_to_test('=:=', [_,_]=Ops, Fail) -> {test,is_eq_exact,Fail,Ops}; +bif_to_test('=/=', [C,A], Fail) when ?is_const(C) -> + {test,is_ne_exact,Fail,[A,C]}; bif_to_test('=/=', [_,_]=Ops, Fail) -> {test,is_ne_exact,Fail,Ops}; bif_to_test(is_record, [_,_,_]=Ops, Fail) -> {test,is_record,Fail,Ops}. diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl index 622e00bb2b..be8908dd6b 100644 --- a/lib/compiler/src/beam_validator.erl +++ b/lib/compiler/src/beam_validator.erl @@ -1430,13 +1430,13 @@ merge_types(bool, {atom,A}) -> merge_bool(A); merge_types({atom,A}, bool) -> merge_bool(A); -merge_types(#ms{id=Id,valid=B0,slots=Slots}=M, - #ms{id=Id,valid=B1,slots=Slots}) -> - M#ms{valid=B0 bor B1,slots=Slots}; -merge_types(#ms{}=M, _) -> - M; -merge_types(_, #ms{}=M) -> - M; +merge_types(#ms{id=Id1,valid=B1,slots=Slots1}, + #ms{id=Id2,valid=B2,slots=Slots2}) -> + Id = if + Id1 =:= Id2 -> Id1; + true -> make_ref() + end, + #ms{id=Id,valid=B1 band B2,slots=min(Slots1, Slots2)}; merge_types(T1, T2) when T1 =/= T2 -> %% Too different. All we know is that the type is a 'term'. term. diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl index ec7e7aed14..1b359d1e59 100644 --- a/lib/compiler/src/compile.erl +++ b/lib/compiler/src/compile.erl @@ -1448,15 +1448,33 @@ save_core_code(Code, St) -> beam_asm(Code0, #compile{ifile=File,extra_chunks=ExtraChunks,options=CompilerOpts}=St) -> case debug_info(St) of {ok,DebugInfo,Opts0} -> - Source = paranoid_absname(File), Opts1 = [O || O <- Opts0, effects_code_generation(O)], Chunks = [{<<"Dbgi">>, DebugInfo} | ExtraChunks], - {ok,Code} = beam_asm:module(Code0, Chunks, Source, Opts1, CompilerOpts), + CompileInfo = compile_info(File, Opts1), + {ok,Code} = beam_asm:module(Code0, Chunks, CompileInfo, CompilerOpts), {ok,Code,St#compile{abstract_code=[]}}; {error,Es} -> {error,St#compile{errors=St#compile.errors ++ [{File,Es}]}} end. +compile_info(File, Opts) -> + IsSlim = member(slim, Opts), + IsDeterministic = member(deterministic, Opts), + Info0 = proplists:get_value(compile_info, Opts, []), + Info1 = + case paranoid_absname(File) of + [_|_] = Source when not IsSlim, not IsDeterministic -> + [{source,Source} | Info0]; + _ -> + Info0 + end, + Info2 = + case IsDeterministic of + false -> [{options,proplists:delete(compile_info, Opts)} | Info1]; + true -> Info1 + end, + Info2. + paranoid_absname(""=File) -> File; paranoid_absname(File) -> diff --git a/lib/compiler/src/core_pp.erl b/lib/compiler/src/core_pp.erl index cff6c7098b..2516a9a1e1 100644 --- a/lib/compiler/src/core_pp.erl +++ b/lib/compiler/src/core_pp.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2016. All Rights Reserved. +%% Copyright Ericsson AB 1999-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -464,7 +464,7 @@ indent(#ctxt{indent=N}) -> N =< 0 -> ""; true -> - string:chars($\t, N div ?TAB_WIDTH, spaces(N rem ?TAB_WIDTH)) + lists:duplicate(N div ?TAB_WIDTH, $\t) ++ spaces(N rem ?TAB_WIDTH) end. nl_indent(Ctxt) -> [$\n|indent(Ctxt)]. diff --git a/lib/compiler/src/core_scan.erl b/lib/compiler/src/core_scan.erl index 9f0676538f..a50a2ffa8d 100644 --- a/lib/compiler/src/core_scan.erl +++ b/lib/compiler/src/core_scan.erl @@ -200,8 +200,8 @@ pre_string(eof, Q, _, Sp, SoFar, Pos) -> pre_string_error(Q, Sp, SoFar, Pos). pre_string_error(Q, Sp, SoFar, Pos) -> - S = reverse(string:substr(SoFar, 1, string:chr(SoFar, Q)-1)), - pre_error({string,Q,string:substr(S, 1, 16)}, Sp, Pos). + [S,_] = string:split(SoFar, [Q]), + pre_error({string,Q,string:slice(string:reverse(S), 0, 16)}, Sp, Pos). pre_char([C|Cs], SoFar) -> pre_char(C, Cs, SoFar); pre_char([], _) -> more; diff --git a/lib/compiler/src/v3_codegen.erl b/lib/compiler/src/v3_codegen.erl index 47c1567f10..e705aefb96 100644 --- a/lib/compiler/src/v3_codegen.erl +++ b/lib/compiler/src/v3_codegen.erl @@ -884,12 +884,19 @@ select_extract_bin([{var,Hd}], Size, Unit, binary, Flags, Vf, %% calculcated by v3_life is too conservative to be useful for this purpose.) %% 'true' means that the code that follows will definitely not use the context %% again (because it is a block, not guard or matching code); 'false' that we -%% are not sure (there is either a guard, or more matching, either which may -%% reference the context again). - -is_context_unused(#l{ke=Ke}) -> is_context_unused(Ke); -is_context_unused({block,_}) -> true; -is_context_unused(_) -> false. +%% are not sure (there could be more matching). + +is_context_unused(#l{ke=Ke}) -> + is_context_unused(Ke); +is_context_unused({alt,_First,Then}) -> + %% {alt,First,Then} can be used for different purposes. If the Then part + %% is a block, it means that matching has finished and is used for a guard + %% to choose between the matched clauses. + is_context_unused(Then); +is_context_unused({block,_}) -> + true; +is_context_unused(_) -> + false. select_bin_end(#l{ke={val_clause,{bin_end,Ctx},B}}, Ivar, Tf, Bef, St0) -> @@ -1811,22 +1818,41 @@ cg_gen_binsize([], _, _, _, _, Acc) -> Acc. %% cg_bin_opt(Code0) -> Code %% Optimize the size calculations for binary construction. -cg_bin_opt([{move,Size,D},{bs_append,Fail,D,Extra,Regs,U,Bin,Flags,D}|Is]) -> - cg_bin_opt([{bs_append,Fail,Size,Extra,Regs,U,Bin,Flags,D}|Is]); -cg_bin_opt([{move,Size,D},{bs_private_append,Fail,D,U,Bin,Flags,D}|Is]) -> - cg_bin_opt([{bs_private_append,Fail,Size,U,Bin,Flags,D}|Is]); -cg_bin_opt([{move,{integer,0},D},{bs_add,_,[D,{integer,_}=S,1],Dst}|Is]) -> - cg_bin_opt([{move,S,Dst}|Is]); -cg_bin_opt([{move,{integer,0},D},{bs_add,Fail,[D,S,U],Dst}|Is]) -> - cg_bin_opt([{bs_add,Fail,[{integer,0},S,U],Dst}|Is]); -cg_bin_opt([{move,{integer,Bytes},D},{Op,Fail,D,Extra,Regs,Flags,D}|Is]) +cg_bin_opt([{move,S1,{x,X}=D},{gc_bif,Op,Fail,Live0,As,Dst}|Is]) -> + Live = if + X + 1 =:= Live0 -> X; + true -> Live0 + end, + [{gc_bif,Op,Fail,Live,As,D}|cg_bin_opt([{move,S1,Dst}|Is])]; +cg_bin_opt([{move,_,_}=I1,{Op,_,_,_}=I2|Is]) + when Op =:= bs_utf8_size orelse Op =:= bs_utf16_size -> + [I2|cg_bin_opt([I1|Is])]; +cg_bin_opt([{bs_add,_,[{integer,0},Src,1],Dst}|Is]) -> + cg_bin_opt_1([{move,Src,Dst}|Is]); +cg_bin_opt([{bs_add,_,[Src,{integer,0},_],Dst}|Is]) -> + cg_bin_opt_1([{move,Src,Dst}|Is]); +cg_bin_opt(Is) -> + cg_bin_opt_1(Is). + +cg_bin_opt_1([{move,Size,D},{bs_append,Fail,D,Extra,Regs,U,Bin,Flags,D}|Is]) -> + [{bs_append,Fail,Size,Extra,Regs,U,Bin,Flags,D}|cg_bin_opt(Is)]; +cg_bin_opt_1([{move,Size,D},{bs_private_append,Fail,D,U,Bin,Flags,D}|Is]) -> + [{bs_private_append,Fail,Size,U,Bin,Flags,D}|cg_bin_opt(Is)]; +cg_bin_opt_1([{move,Size,D},{Op,Fail,D,Extra,Regs,Flags,D}|Is]) when Op =:= bs_init2; Op =:= bs_init_bits -> - cg_bin_opt([{Op,Fail,Bytes,Extra,Regs,Flags,D}|Is]); -cg_bin_opt([{move,Src1,Dst},{bs_add,Fail,[Dst,Src2,U],Dst}|Is]) -> - cg_bin_opt([{bs_add,Fail,[Src1,Src2,U],Dst}|Is]); -cg_bin_opt([I|Is]) -> + Bytes = case Size of + {integer,Int} -> Int; + _ -> Size + end, + [{Op,Fail,Bytes,Extra,Regs,Flags,D}|cg_bin_opt(Is)]; +cg_bin_opt_1([{move,S1,D},{bs_add,Fail,[D,S2,U],Dst}|Is]) -> + cg_bin_opt([{bs_add,Fail,[S1,S2,U],Dst}|Is]); +cg_bin_opt_1([{move,S1,D},{bs_add,Fail,[S2,D,U],Dst}|Is]) -> + cg_bin_opt([{bs_add,Fail,[S2,S1,U],Dst}|Is]); +cg_bin_opt_1([I|Is]) -> [I|cg_bin_opt(Is)]; -cg_bin_opt([]) -> []. +cg_bin_opt_1([]) -> + []. cg_bin_put({bin_seg,[],S0,U,T,Fs,[E0,Next]}, Fail, Bef) -> S1 = cg_reg_arg(S0, Bef), diff --git a/lib/compiler/src/v3_kernel_pp.erl b/lib/compiler/src/v3_kernel_pp.erl index 53097d0d7d..ac91039ae0 100644 --- a/lib/compiler/src/v3_kernel_pp.erl +++ b/lib/compiler/src/v3_kernel_pp.erl @@ -491,7 +491,7 @@ indent(Ctxt) -> indent(Ctxt#ctxt.indent, Ctxt). indent(N, _Ctxt) when N =< 0 -> ""; indent(N, Ctxt) -> T = Ctxt#ctxt.tab_width, - string:chars($\t, N div T, string:chars($\s, N rem T)). + lists:duplicate(N div T, $\t) ++ lists:duplicate(N rem T, $\s). nl_indent(Ctxt) -> [$\n|indent(Ctxt)]. @@ -508,7 +508,7 @@ unindent([$\t|T], N, Ctxt, C) -> if N >= Tab -> unindent(T, N - Tab, Ctxt, C); true -> - unindent([string:chars($\s, Tab - N)|T], 0, Ctxt, C) + unindent([lists:duplicate(Tab - N, $\s)|T], 0, Ctxt, C) end; unindent([L|T], N, Ctxt, C) when is_list(L) -> unindent(L, N, Ctxt, [T|C]); diff --git a/lib/compiler/test/beam_utils_SUITE.erl b/lib/compiler/test/beam_utils_SUITE.erl index a3f1bb93fe..710cb050d4 100644 --- a/lib/compiler/test/beam_utils_SUITE.erl +++ b/lib/compiler/test/beam_utils_SUITE.erl @@ -260,6 +260,14 @@ otp_8949_b(A, B) -> liveopt(_Config) -> F = liveopt_fun(42, pebkac, user), void = F(42, #alarmInfo{type=sctp,cause=pebkac,origin=user}), + + + A = {#alarmInfo{cause = {abc, def}}, ghi}, + A = liveopt_guard_bif(A), + + B = {#alarmInfo{cause = {abc}}, def}, + {#alarmInfo{cause = {{abc}}}, def} = liveopt_guard_bif(B), + ok. liveopt_fun(Peer, Cause, Origin) -> @@ -271,6 +279,15 @@ liveopt_fun(Peer, Cause, Origin) -> void end. +liveopt_guard_bif({#alarmInfo{cause=F}=R, X}=A) -> + %% ERIERL-48 + if + is_tuple(F), tuple_size(F) == 2 -> A; + true -> + R2 = R#alarmInfo{cause={F}}, + {R2,X} + end. + %% Thanks to QuickCheck. coverage(_Config) -> 42+7 = merchant([[],7,false]), diff --git a/lib/compiler/test/bs_match_SUITE.erl b/lib/compiler/test/bs_match_SUITE.erl index 0ec05456ec..ad48d4c0b7 100644 --- a/lib/compiler/test/bs_match_SUITE.erl +++ b/lib/compiler/test/bs_match_SUITE.erl @@ -39,7 +39,7 @@ match_string_opt/1,select_on_integer/1, map_and_binary/1,unsafe_branch_caching/1, bad_literals/1,good_literals/1,constant_propagation/1, - parse_xml/1,get_payload/1]). + parse_xml/1,get_payload/1,escape/1,num_slots_different/1]). -export([coverage_id/1,coverage_external_ignore/2]). @@ -71,7 +71,7 @@ groups() -> match_string_opt,select_on_integer, map_and_binary,unsafe_branch_caching, bad_literals,good_literals,constant_propagation,parse_xml, - get_payload]}]. + get_payload,escape,num_slots_different]}]. init_per_suite(Config) -> @@ -1524,6 +1524,55 @@ do_get_payload(ExtHdr) -> <<_:13,_:35>> = ExtHdr#ext_header.ext_hdr_opts, ExtHdrOptions. +escape(_Config) -> + 0 = escape(<<>>, 0), + 1 = escape(<<128>>, 0), + 2 = escape(<<128,255>>, 0), + 42 = escape(<<42>>, 0), + 50 = escape(<<42,8>>, 0), + ok. + +escape(<<Byte, Rest/bits>>, Pos) when Byte >= 127 -> + escape(Rest, Pos + 1); +escape(<<Byte, Rest/bits>>, Pos) -> + escape(Rest, Pos + Byte); +escape(<<_Rest/bits>>, Pos) -> + Pos. + +%% ERL-490 +num_slots_different(_Config) -> + Ts = [{<<"de">>, <<"default">>, <<"Remove">>, <<"a">>}, + {<<"de">>, <<"default">>, <<"Remove from list">>, <<"a">>}, + {<<"de">>, <<"default">>, <<"Remove from the list">>, <<"a">>}, + {<<"de">>, <<"default">>, <<"Results">>, <<"Ergebnisse">>}, + {<<"de">>, <<"default">>, <<"Reservatio">>, <<"a">>}, + {<<"de">>, <<"navigation">>, <<"Results">>, <<"Ergebnisse">>}, + {<<"de">>, <<"navigation">>, <<"Resources">>, <<"Ressourcen">>}], + _ = [{ok,Res} = lgettext(A, B, C) || {A,B,C,Res} <- Ts], + + {'EXIT',_} = (catch lgettext(<<"d">>, <<"default">>, <<"Remove">>)), + {'EXIT',_} = (catch lgettext("", <<"default">>, <<"Remove">>)), + {'EXIT',_} = (catch lgettext(<<"de">>, <<"def">>, <<"Remove">>)), + {'EXIT',_} = (catch lgettext(<<"de">>, <<"default">>, <<"Res">>)), + ok. + + +lgettext(<<"de">>, <<"default">>, <<"Remove">>) -> + {ok, <<"a">>}; +lgettext(<<"de">>, <<"default">>, <<"Remove from list">>) -> + {ok, <<"a">>}; +lgettext(<<"de">>, <<"default">>, <<"Remove from the list">>) -> + {ok, <<"a">>}; +lgettext(<<"de">>, <<"default">>, <<"Results">>) -> + {ok, <<"Ergebnisse">>}; +lgettext(<<"de">>, <<"default">>, <<"Reservatio">>) -> + {ok, <<"a">>}; +lgettext(<<"de">>, <<"navigation">>, <<"Results">>) -> + {ok, <<"Ergebnisse">>}; +lgettext(<<"de">>, <<"navigation">>, <<"Resources">>) -> + {ok, <<"Ressourcen">>}. + + check(F, R) -> R = F(). diff --git a/lib/compiler/test/compilation_SUITE_data/opt_crash.erl b/lib/compiler/test/compilation_SUITE_data/opt_crash.erl index f1607cca68..c65ec31593 100644 --- a/lib/compiler/test/compilation_SUITE_data/opt_crash.erl +++ b/lib/compiler/test/compilation_SUITE_data/opt_crash.erl @@ -33,7 +33,7 @@ test() -> {userinfo,nil}, fun() -> nil end}, nil}, - {'query',nil}}}, + {query,nil}}}, {absoluteURI, {scheme,_}, @@ -43,7 +43,7 @@ test() -> {userinfo,nil}, HostportBefore}, nil}, - {'query',nil}}} = URI_Before, + {query,nil}}} = URI_Before, %% ... some funky code ommitted, not relevant ... @@ -55,7 +55,7 @@ test() -> {userinfo,nil}, HostportAfter}, nil}, - {'query',nil}}} = URI_Before, + {query,nil}}} = URI_Before, %% NOTE: I intended to write URI_After instead of URI_Before %% but the accident revealed that when you add the line below, %% it causes internal error in v3_codegen on compilation diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl index aaa2005e73..25983c6012 100644 --- a/lib/compiler/test/compile_SUITE.erl +++ b/lib/compiler/test/compile_SUITE.erl @@ -27,7 +27,7 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, app_test/1,appup_test/1, - debug_info/4, custom_debug_info/1, + debug_info/4, custom_debug_info/1, custom_compile_info/1, file_1/1, forms_2/1, module_mismatch/1, big_file/1, outdir/1, binary/1, makedep/1, cond_and_ifdef/1, listings/1, listings_big/1, other_output/1, kernel_listing/1, encrypted_abstr/1, @@ -53,7 +53,8 @@ all() -> strict_record, utf8_atoms, utf8_functions, extra_chunks, cover, env, core_pp, core_roundtrip, asm, optimized_guards, sys_pre_attributes, dialyzer, warnings, pre_load_check, - env_compiler_options, custom_debug_info, bc_options]. + env_compiler_options, custom_debug_info, bc_options, + custom_compile_info]. groups() -> []. @@ -649,6 +650,23 @@ custom_debug_info(Config) when is_list(Config) -> {ok,{simple,[{debug_info,{debug_info_v1,?MODULE,error}}]}} = beam_lib:chunks(ErrorBin, [debug_info]). +custom_compile_info(Config) when is_list(Config) -> + Anno = erl_anno:new(1), + Forms = [{attribute,Anno,module,custom_compile_info}], + Opts = [binary,{compile_info,[{another,version}]}], + + {ok,custom_compile_info,Bin} = compile:forms(Forms, Opts), + {ok,{custom_compile_info,[{compile_info,CompileInfo}]}} = + beam_lib:chunks(Bin, [compile_info]), + version = proplists:get_value(another, CompileInfo), + CompileOpts = proplists:get_value(options, CompileInfo), + undefined = proplists:get_value(compile_info, CompileOpts), + + {ok,custom_compile_info,DetBin} = compile:forms(Forms, [deterministic|Opts]), + {ok,{custom_compile_info,[{compile_info,DetInfo}]}} = + beam_lib:chunks(DetBin, [compile_info]), + version = proplists:get_value(another, DetInfo). + cover(Config) when is_list(Config) -> io:format("~p\n", [compile:options()]), ok. diff --git a/lib/compiler/test/guard_SUITE.erl b/lib/compiler/test/guard_SUITE.erl index ccb9b58225..d96cfdb7ac 100644 --- a/lib/compiler/test/guard_SUITE.erl +++ b/lib/compiler/test/guard_SUITE.erl @@ -1291,6 +1291,10 @@ rel_ops(Config) when is_list(Config) -> true = any_atom /= id(42), true = [] /= id(42), + %% Coverage of beam_utils:bif_to_test/3 + Empty = id([]), + ?T(==, [], Empty), + ok. -undef(TestOp). diff --git a/lib/compiler/test/match_SUITE.erl b/lib/compiler/test/match_SUITE.erl index 52b2da05f7..c31695be24 100644 --- a/lib/compiler/test/match_SUITE.erl +++ b/lib/compiler/test/match_SUITE.erl @@ -23,7 +23,7 @@ init_per_group/2,end_per_group/2, pmatch/1,mixed/1,aliases/1,non_matching_aliases/1, match_in_call/1,untuplify/1,shortcut_boolean/1,letify_guard/1, - selectify/1,underscore/1,match_map/1,map_vars_used/1, + selectify/1,deselectify/1,underscore/1,match_map/1,map_vars_used/1, coverage/1,grab_bag/1,literal_binary/1]). -include_lib("common_test/include/ct.hrl"). @@ -38,7 +38,7 @@ groups() -> [{p,[parallel], [pmatch,mixed,aliases,non_matching_aliases, match_in_call,untuplify, - shortcut_boolean,letify_guard,selectify, + shortcut_boolean,letify_guard,selectify,deselectify, underscore,match_map,map_vars_used,coverage, grab_bag,literal_binary]}]. @@ -466,6 +466,66 @@ sel_same_value2(V) when V =:= 42; V =:= 43 -> sel_same_value2(_) -> error. +%% Test deconstruction of select_val instructions in beam_peep into +%% regular tests with just one possible value left. Hitting proper cases +%% in beam_peep relies on unification of labels by beam_jump. + +deselectify(Config) when is_list(Config) -> + one_or_other = desel_tuple_arity({1}), + two = desel_tuple_arity({1,1}), + one_or_other = desel_tuple_arity({1,1,1}), + + one_or_other = dsel_integer(1), + two = dsel_integer(2), + one_or_other = dsel_integer(3), + + one_or_other = dsel_integer_typecheck(1), + two = dsel_integer_typecheck(2), + one_or_other = dsel_integer_typecheck(3), + + one_or_other = dsel_atom(one), + two = dsel_atom(two), + one_or_other = dsel_atom(three), + + one_or_other = dsel_atom_typecheck(one), + two = dsel_atom_typecheck(two), + one_or_other = dsel_atom_typecheck(three). + +desel_tuple_arity(Tuple) when is_tuple(Tuple) -> + case Tuple of + {_} -> one_or_other; + {_,_} -> two; + _ -> one_or_other + end. + +dsel_integer(Val) -> + case Val of + 1 -> one_or_other; + 2 -> two; + _ -> one_or_other + end. + +dsel_integer_typecheck(Val) when is_integer(Val) -> + case Val of + 1 -> one_or_other; + 2 -> two; + _ -> one_or_other + end. + +dsel_atom(Val) -> + case Val of + one -> one_or_other; + two -> two; + _ -> one_or_other + end. + +dsel_atom_typecheck(Val) when is_atom(Val) -> + case Val of + one -> one_or_other; + two -> two; + _ -> one_or_other + end. + underscore(Config) when is_list(Config) -> case Config of [] -> diff --git a/lib/compiler/vsn.mk b/lib/compiler/vsn.mk index 463c264a5f..435a57aac2 100644 --- a/lib/compiler/vsn.mk +++ b/lib/compiler/vsn.mk @@ -1 +1 @@ -COMPILER_VSN = 7.1 +COMPILER_VSN = 7.1.3 |
