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-rw-r--r--lib/compiler/src/beam_disasm.erl4
-rw-r--r--lib/compiler/src/compile.erl52
-rw-r--r--lib/compiler/src/sys_pre_expand.erl44
3 files changed, 72 insertions, 28 deletions
diff --git a/lib/compiler/src/beam_disasm.erl b/lib/compiler/src/beam_disasm.erl
index 410233a0f7..7103d2390f 100644
--- a/lib/compiler/src/beam_disasm.erl
+++ b/lib/compiler/src/beam_disasm.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2010. 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
@@ -204,7 +204,7 @@ process_chunks(F) ->
optional_chunk(F, ChunkTag) ->
case beam_lib:chunks(F, [ChunkTag]) of
{ok,{_Module,[{ChunkTag,Chunk}]}} -> Chunk;
- {error,beam_lib,{missing_chunk,_,ChunkTag}} -> none
+ {error,beam_lib,{missing_chunk,_,_}} -> none
end.
%%-----------------------------------------------------------------------
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index 29c7ec0dcd..bfa7c6cedd 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.erl
@@ -113,7 +113,7 @@ noenv_forms(Forms, Opt) when is_atom(Opt) ->
noenv_output_generated(Opts) ->
{_,Passes} = passes(file, expand_opts(Opts)),
- any(fun ({save_binary,_F}) -> true;
+ any(fun ({save_binary,_T,_F}) -> true;
(_Other) -> false
end, Passes).
@@ -122,6 +122,7 @@ noenv_output_generated(Opts) ->
%%
-define(pass(P), {P,fun P/1}).
+-define(pass(P,T), {P,fun T/1,fun P/1}).
env_default_opts() ->
Key = "ERL_COMPILER_OPTIONS",
@@ -304,7 +305,7 @@ run_tc({Name,Fun}, St) ->
Val.
comp_ret_ok(#compile{code=Code,warnings=Warn0,module=Mod,options=Opts}=St) ->
- case member(warnings_as_errors, Opts) andalso length(Warn0) > 0 of
+ case werror(St) of
true ->
case member(report_warnings, Opts) of
true ->
@@ -339,6 +340,11 @@ comp_ret_err(#compile{warnings=Warn0,errors=Err0,options=Opts}=St) ->
false -> error
end.
+not_werror(St) -> not werror(St).
+
+werror(#compile{options=Opts,warnings=Ws}) ->
+ Ws =/= [] andalso member(warnings_as_errors, Opts).
+
%% messages_per_file([{File,[Message]}]) -> [{File,[Message]}]
messages_per_file(Ms) ->
T = lists:sort([{File,M} || {File,Messages} <- Ms, M <- Messages]),
@@ -373,7 +379,7 @@ passes(Type, Opts) ->
%% insert a first pass to remove the file (unless the
%% source file is a BEAM file).
{Ext,case last(Passes) of
- {save_binary,_Fun} ->
+ {save_binary,_TestFun,_Fun} ->
case Passes of
[{read_beam_file,_}|_] ->
%% The BEAM is both input and output.
@@ -655,7 +661,7 @@ asm_passes() ->
binary_passes() ->
[{native_compile,fun test_native/1,fun native_compile/1},
- {unless,binary,?pass(save_binary)}].
+ {unless,binary,?pass(save_binary,not_werror)}].
%%%
%%% Compiler passes.
@@ -1379,28 +1385,34 @@ report_errors(#compile{options=Opts,errors=Errors}) ->
end.
report_warnings(#compile{options=Opts,warnings=Ws0}) ->
- case member(report_warnings, Opts) of
+ Werror = member(warnings_as_errors, Opts),
+ P = case Werror of
+ true -> "";
+ false -> "Warning: "
+ end,
+ ReportWerror = Werror andalso member(report_errors, Opts),
+ case member(report_warnings, Opts) orelse ReportWerror of
true ->
- Ws1 = flatmap(fun({{F,_L},Eds}) -> format_message(F, Eds);
- ({F,Eds}) -> format_message(F, Eds) end,
+ Ws1 = flatmap(fun({{F,_L},Eds}) -> format_message(F, P, Eds);
+ ({F,Eds}) -> format_message(F, P, Eds) end,
Ws0),
Ws = lists:sort(Ws1),
foreach(fun({_,Str}) -> io:put_chars(Str) end, Ws);
false -> ok
end.
-format_message(F, [{{Line,Column}=Loc,Mod,E}|Es]) ->
- M = {{F,Loc},io_lib:format("~s:~w:~w Warning: ~s\n",
- [F,Line,Column,Mod:format_error(E)])},
- [M|format_message(F, Es)];
-format_message(F, [{Line,Mod,E}|Es]) ->
- M = {{F,{Line,0}},io_lib:format("~s:~w: Warning: ~s\n",
- [F,Line,Mod:format_error(E)])},
- [M|format_message(F, Es)];
-format_message(F, [{Mod,E}|Es]) ->
- M = {none,io_lib:format("~s: Warning: ~s\n", [F,Mod:format_error(E)])},
- [M|format_message(F, Es)];
-format_message(_, []) -> [].
+format_message(F, P, [{{Line,Column}=Loc,Mod,E}|Es]) ->
+ M = {{F,Loc},io_lib:format("~s:~w:~w ~s~s\n",
+ [F,Line,Column,P,Mod:format_error(E)])},
+ [M|format_message(F, P, Es)];
+format_message(F, P, [{Line,Mod,E}|Es]) ->
+ M = {{F,{Line,0}},io_lib:format("~s:~w: ~s~s\n",
+ [F,Line,P,Mod:format_error(E)])},
+ [M|format_message(F, P, Es)];
+format_message(F, P, [{Mod,E}|Es]) ->
+ M = {none,io_lib:format("~s: ~s~s\n", [F,P,Mod:format_error(E)])},
+ [M|format_message(F, P, Es)];
+format_message(_, _, []) -> [].
%% list_errors(File, ErrorDescriptors) -> ok
@@ -1500,6 +1512,8 @@ restore_expand_module([{attribute,Line,opaque,[Type]}|Fs]) ->
[{attribute,Line,opaque,Type}|restore_expand_module(Fs)];
restore_expand_module([{attribute,Line,spec,[Arg]}|Fs]) ->
[{attribute,Line,spec,Arg}|restore_expand_module(Fs)];
+restore_expand_module([{attribute,Line,callback,[Arg]}|Fs]) ->
+ [{attribute,Line,callback,Arg}|restore_expand_module(Fs)];
restore_expand_module([F|Fs]) ->
[F|restore_expand_module(Fs)];
restore_expand_module([]) -> [].
diff --git a/lib/compiler/src/sys_pre_expand.erl b/lib/compiler/src/sys_pre_expand.erl
index 480954adac..0fa1fea09f 100644
--- a/lib/compiler/src/sys_pre_expand.erl
+++ b/lib/compiler/src/sys_pre_expand.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. 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
@@ -43,6 +43,7 @@
mod_imports, %Module Imports
compile=[], %Compile flags
attributes=[], %Attributes
+ callbacks=[], %Callbacks
defined=[], %Defined functions
vcount=0, %Variable counter
func=[], %Current function
@@ -172,10 +173,41 @@ define_functions(Forms, #expand{defined=Predef}=St) ->
end, Predef, Forms),
St#expand{defined=ordsets:from_list(Fs)}.
-module_attrs(St) ->
- {[{attribute,Line,Name,Val} || {Name,Line,Val} <- St#expand.attributes],St}.
+module_attrs(#expand{attributes=Attributes}=St) ->
+ Attrs = [{attribute,Line,Name,Val} || {Name,Line,Val} <- Attributes],
+ Callbacks = [Callback || {_,_,callback,_}=Callback <- Attrs],
+ {Attrs,St#expand{callbacks=Callbacks}}.
module_predef_funcs(St) ->
+ {Mpf1,St1}=module_predef_func_beh_info(St),
+ {Mpf2,St2}=module_predef_funcs_mod_info(St1),
+ {Mpf1++Mpf2,St2}.
+
+module_predef_func_beh_info(#expand{callbacks=[]}=St) ->
+ {[], St};
+module_predef_func_beh_info(#expand{callbacks=Callbacks,defined=Defined,
+ exports=Exports}=St) ->
+ PreDef=[{behaviour_info,1}],
+ PreExp=PreDef,
+ {[gen_beh_info(Callbacks)],
+ St#expand{defined=union(from_list(PreDef), Defined),
+ exports=union(from_list(PreExp), Exports)}}.
+
+gen_beh_info(Callbacks) ->
+ List = make_list(Callbacks),
+ {function,0,behaviour_info,1,
+ [{clause,0,[{atom,0,callbacks}],[],
+ [List]}]}.
+
+make_list([]) -> {nil,0};
+make_list([{_,_,_,[{{Name,Arity},_}]}|Rest]) ->
+ {cons,0,
+ {tuple,0,
+ [{atom,0,Name},
+ {integer,0,Arity}]},
+ make_list(Rest)}.
+
+module_predef_funcs_mod_info(St) ->
PreDef = [{module_info,0},{module_info,1}],
PreExp = PreDef,
{[{function,0,module_info,0,
@@ -223,10 +255,8 @@ attribute(export, Es, _L, St) ->
St#expand{exports=union(from_list(Es), St#expand.exports)};
attribute(import, Is, _L, St) ->
import(Is, St);
-attribute(compile, C, _L, St) when is_list(C) ->
- St#expand{compile=St#expand.compile ++ C};
-attribute(compile, C, _L, St) ->
- St#expand{compile=St#expand.compile ++ [C]};
+attribute(compile, _C, _L, St) ->
+ St;
attribute(Name, Val, Line, St) when is_list(Val) ->
St#expand{attributes=St#expand.attributes ++ [{Name,Line,Val}]};
attribute(Name, Val, Line, St) ->