diff options
| -rw-r--r-- | lib/compiler/doc/src/compile.xml | 8 | ||||
| -rw-r--r-- | lib/compiler/src/beam_clean.erl | 26 | ||||
| -rw-r--r-- | lib/compiler/src/compile.erl | 4 | ||||
| -rw-r--r-- | lib/compiler/test/compile_SUITE.erl | 1 |
4 files changed, 33 insertions, 6 deletions
diff --git a/lib/compiler/doc/src/compile.xml b/lib/compiler/doc/src/compile.xml index 830c89ae84..522c1dc411 100644 --- a/lib/compiler/doc/src/compile.xml +++ b/lib/compiler/doc/src/compile.xml @@ -395,6 +395,14 @@ module.beam: module.erl \ <code>-compile({no_auto_import,[error/1]}).</code> </item> + <tag><c>no_line_info</c></tag> + + <item> + <p>Omit line number information in order to produce a slightly + smaller output file. + </p> + </item> + </taglist> <p>If warnings are turned on (the <c>report_warnings</c> option diff --git a/lib/compiler/src/beam_clean.erl b/lib/compiler/src/beam_clean.erl index 64c93e11f7..a7994ab3b3 100644 --- a/lib/compiler/src/beam_clean.erl +++ b/lib/compiler/src/beam_clean.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2000-2009. All Rights Reserved. +%% 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 @@ -23,9 +23,9 @@ -export([module/2]). -export([bs_clean_saves/1]). -export([clean_labels/1]). --import(lists, [map/2,foldl/3,reverse/1]). +-import(lists, [map/2,foldl/3,reverse/1,filter/2]). -module({Mod,Exp,Attr,Fs0,_}, _Opt) -> +module({Mod,Exp,Attr,Fs0,_}, Opts) -> Order = [Lbl || {function,_,_,Lbl,_} <- Fs0], All = foldl(fun({function,_,_,Lbl,_}=Func,D) -> dict:store(Lbl, Func, D) end, dict:new(), Fs0), @@ -33,7 +33,8 @@ module({Mod,Exp,Attr,Fs0,_}, _Opt) -> Used = find_all_used(WorkList, All, sets:from_list(WorkList)), Fs1 = remove_unused(Order, Used, All), {Fs2,Lc} = clean_labels(Fs1), - Fs = bs_fix(Fs2), + Fs3 = bs_fix(Fs2), + Fs = maybe_remove_lines(Fs3, Opts), {ok,{Mod,Exp,Attr,Fs,Lc}}. %% Remove all bs_save2/2 instructions not referenced by a bs_restore2/2. @@ -375,3 +376,20 @@ bs_clean_saves_1([{bs_save2,_,{_,_}=SavePoint}=I|Is], Needed, Acc) -> bs_clean_saves_1([I|Is], Needed, Acc) -> bs_clean_saves_1(Is, Needed, [I|Acc]); bs_clean_saves_1([], _, Acc) -> reverse(Acc). + +%%% +%%% Remove line instructions if requested. +%%% + +maybe_remove_lines(Fs, Opts) -> + case proplists:get_bool(no_line_info, Opts) of + false -> Fs; + true -> remove_lines(Fs) + end. + +remove_lines([{function,N,A,Lbl,Is0}|T]) -> + Is = filter(fun({line,_}) -> false; + (_) -> true + end, Is0), + [{function,N,A,Lbl,Is}|remove_lines(T)]; +remove_lines([]) -> []. diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl index ee7c87fced..29c7ec0dcd 100644 --- a/lib/compiler/src/compile.erl +++ b/lib/compiler/src/compile.erl @@ -171,9 +171,9 @@ expand_opt(report, Os) -> expand_opt(return, Os) -> [return_errors,return_warnings|Os]; expand_opt(r12, Os) -> - [no_recv_opt|Os]; + [no_recv_opt,no_line_info|Os]; expand_opt(r13, Os) -> - [no_recv_opt|Os]; + [no_recv_opt,no_line_info|Os]; expand_opt({debug_info_key,_}=O, Os) -> [encrypt_debug_info,O|Os]; expand_opt(no_float_opt, Os) -> diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl index b3e5376ffd..8c6a623dfb 100644 --- a/lib/compiler/test/compile_SUITE.erl +++ b/lib/compiler/test/compile_SUITE.erl @@ -82,6 +82,7 @@ file_1(Config) when is_list(Config) -> ?line {ok,simple} = compile:file(Simple, [native,report]), %Smoke test. ?line {ok,simple} = compile:file(Target, [native,from_beam]), %Smoke test. ?line {ok,simple} = compile:file(Simple, [debug_info]), + ?line {ok,simple} = compile:file(Simple, [no_line_info]), %Coverage ?line ok = file:set_cwd(Cwd), ?line true = exists(Target), ?line passed = run(Target, test, []), |