aboutsummaryrefslogtreecommitdiffstats
path: root/lib/compiler/src/compile.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/compiler/src/compile.erl')
-rw-r--r--lib/compiler/src/compile.erl369
1 files changed, 277 insertions, 92 deletions
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index b853800d73..ce8a5bf864 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.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
@@ -29,6 +29,8 @@
%% Erlc interface.
-export([compile/3,compile_beam/3,compile_asm/3,compile_core/3]).
+-export_type([option/0]).
+
-include("erl_compile.hrl").
-include("core_parse.hrl").
@@ -39,8 +41,7 @@
-type option() :: atom() | {atom(), term()} | {'d', atom(), term()}.
--type line() :: integer().
--type err_info() :: {line(), module(), term()}. %% ErrorDescriptor
+-type err_info() :: {erl_scan:line(), module(), term()}. %% ErrorDescriptor
-type errors() :: [{file:filename(), [err_info()]}].
-type warnings() :: [{file:filename(), [err_info()]}].
-type mod_ret() :: {'ok', module()}
@@ -68,7 +69,7 @@
file(File) -> file(File, ?DEFAULT_OPTIONS).
--spec file(module() | file:filename(), [option()]) -> comp_ret().
+-spec file(module() | file:filename(), [option()] | option()) -> comp_ret().
file(File, Opts) when is_list(Opts) ->
do_compile({file,File}, Opts++env_default_opts());
@@ -86,6 +87,8 @@ forms(Forms, Opt) when is_atom(Opt) ->
%% would have generated a Beam file, false otherwise (if only a binary or a
%% listing file would have been generated).
+-spec output_generated([option()]) -> boolean().
+
output_generated(Opts) ->
noenv_output_generated(Opts++env_default_opts()).
@@ -94,6 +97,8 @@ output_generated(Opts) ->
%% for default options.
%%
+-spec noenv_file(module() | file:filename(), [option()] | option()) -> comp_ret().
+
noenv_file(File, Opts) when is_list(Opts) ->
do_compile({file,File}, Opts);
noenv_file(File, Opt) ->
@@ -104,10 +109,13 @@ noenv_forms(Forms, Opts) when is_list(Opts) ->
noenv_forms(Forms, Opt) when is_atom(Opt) ->
noenv_forms(Forms, [Opt|?DEFAULT_OPTIONS]).
+-spec noenv_output_generated([option()]) -> boolean().
+
noenv_output_generated(Opts) ->
+ {_,Passes} = passes(file, expand_opts(Opts)),
any(fun ({save_binary,_F}) -> true;
(_Other) -> false
- end, passes(file, expand_opts(Opts))).
+ end, Passes).
%%
%% Local functions
@@ -162,13 +170,12 @@ expand_opt(report, Os) ->
[report_errors,report_warnings|Os];
expand_opt(return, Os) ->
[return_errors,return_warnings|Os];
-expand_opt(r11, Os) ->
- [no_stack_trimming,no_binaries,no_constant_pool|Os];
+expand_opt(r12, Os) ->
+ [no_recv_opt|Os];
+expand_opt(r13, Os) ->
+ [no_recv_opt|Os];
expand_opt({debug_info_key,_}=O, Os) ->
[encrypt_debug_info,O|Os];
-expand_opt(no_binaries=O, Os) ->
- %%Turn off the entire type optimization pass.
- [no_topt,O|Os];
expand_opt(no_float_opt, Os) ->
%%Turn off the entire type optimization pass.
[no_topt|Os];
@@ -199,6 +206,9 @@ format_error(write_error) ->
format_error({rename,From,To,Error}) ->
io_lib:format("failed to rename ~s to ~s: ~s",
[From,To,file:format_error(Error)]);
+format_error({delete,File,Error}) ->
+ io_lib:format("failed to delete file ~s: ~s",
+ [File,file:format_error(Error)]);
format_error({delete_temp,File,Error}) ->
io_lib:format("failed to delete temporary file ~s: ~s",
[File,file:format_error(Error)]);
@@ -215,16 +225,16 @@ format_error({module_name,Mod,Filename}) ->
[Mod,Filename]).
%% The compile state record.
--record(compile, {filename="",
- dir="",
- base="",
- ifile="",
- ofile="",
+-record(compile, {filename="" :: file:filename(),
+ dir="" :: file:filename(),
+ base="" :: file:filename(),
+ ifile="" :: file:filename(),
+ ofile="" :: file:filename(),
module=[],
code=[],
core_code=[],
abstract_code=[], %Abstract code for debugger.
- options=[],
+ options=[] :: [option()],
errors=[],
warnings=[]}).
@@ -234,26 +244,12 @@ internal(Master, Input, Opts) ->
end}.
internal({forms,Forms}, Opts) ->
- Ps = passes(forms, Opts),
+ {_,Ps} = passes(forms, Opts),
internal_comp(Ps, "", "", #compile{code=Forms,options=Opts});
internal({file,File}, Opts) ->
- Ps = passes(file, Opts),
+ {Ext,Ps} = passes(file, Opts),
Compile = #compile{options=Opts},
- case member(from_core, Opts) of
- true -> internal_comp(Ps, File, ".core", Compile);
- false ->
- case member(from_beam, Opts) of
- true ->
- internal_comp(Ps, File, ".beam", Compile);
- false ->
- case member(from_asm, Opts) orelse member(asm, Opts) of
- true ->
- internal_comp(Ps, File, ".S", Compile);
- false ->
- internal_comp(Ps, File, ".erl", Compile)
- end
- end
- end.
+ internal_comp(Ps, File, Ext, Compile).
internal_comp(Passes, File, Suffix, St0) ->
Dir = filename:dirname(File),
@@ -295,15 +291,6 @@ fold_comp([{Name,Pass}|Ps], Run, St0) ->
end;
fold_comp([], _Run, St) -> {ok,St}.
-os_process_size() ->
- case os:type() of
- {unix, sunos} ->
- Size = os:cmd("ps -o vsz -p " ++ os:getpid() ++ " | tail -1"),
- list_to_integer(lib:nonl(Size));
- _ ->
- 0
- end.
-
run_tc({Name,Fun}, St) ->
Before0 = statistics(runtime),
Val = (catch Fun(St)),
@@ -312,9 +299,8 @@ run_tc({Name,Fun}, St) ->
{After_c, _} = After0,
Mem0 = erts_debug:flat_size(Val)*erlang:system_info(wordsize),
Mem = lists:flatten(io_lib:format("~.1f kB", [Mem0/1024])),
- Sz = lists:flatten(io_lib:format("~.1f MB", [os_process_size()/1024])),
- io:format(" ~-30s: ~10.2f s ~12s ~10s\n",
- [Name,(After_c-Before_c) / 1000,Mem,Sz]),
+ io:format(" ~-30s: ~10.2f s ~12s\n",
+ [Name,(After_c-Before_c) / 1000,Mem]),
Val.
comp_ret_ok(#compile{code=Code,warnings=Warn0,module=Mod,options=Opts}=St) ->
@@ -371,42 +357,52 @@ mpf(Ms) ->
[{File,[M || {F,M} <- Ms, F =:= File]} ||
File <- lists:usort([F || {F,_} <- Ms])].
-%% passes(form|file, [Option]) -> [{Name,PassFun}]
-%% Figure out which passes that need to be run.
-
-passes(forms, Opts) ->
- case member(from_core, Opts) of
- true ->
- select_passes(core_passes(), Opts);
- false ->
- select_passes(standard_passes(), Opts)
+%% passes(forms|file, [Option]) -> {Extension,[{Name,PassFun}]}
+%% Figure out the extension of the input file and which passes
+%% that need to be run.
+
+passes(Type, Opts) ->
+ {Ext,Passes0} = passes_1(Opts),
+ Passes1 = case Type of
+ file -> Passes0;
+ forms -> tl(Passes0)
+ end,
+ Passes = select_passes(Passes1, Opts),
+
+ %% If the last pass saves the resulting binary to a file,
+ %% insert a first pass to remove the file (unless the
+ %% source file is a BEAM file).
+ {Ext,case last(Passes) of
+ {save_binary,_Fun} ->
+ case Passes of
+ [{read_beam_file,_}|_] ->
+ %% The BEAM is both input and output.
+ %% Don't remove it.
+ Passes;
+ _ ->
+ [?pass(remove_file)|Passes]
+ end;
+ _ ->
+ Passes
+ end}.
+
+passes_1([Opt|Opts]) ->
+ case pass(Opt) of
+ {_,_}=Res -> Res;
+ none -> passes_1(Opts)
end;
-passes(file, Opts) ->
- case member(from_beam, Opts) of
- true ->
- Ps = [?pass(read_beam_file)|binary_passes()],
- select_passes(Ps, Opts);
- false ->
- Ps = case member(from_asm, Opts) orelse member(asm, Opts) of
- true ->
- [?pass(beam_consult_asm)|asm_passes()];
- false ->
- case member(from_core, Opts) of
- true ->
- [?pass(parse_core)|core_passes()];
- false ->
- [?pass(parse_module)|standard_passes()]
- end
- end,
- Fs = select_passes(Ps, Opts),
-
- %% If the last pass saves the resulting binary to a file,
- %% insert a first pass to remove the file.
- case last(Fs) of
- {save_binary,_Fun} -> [?pass(remove_file)|Fs];
- _Other -> Fs
- end
- end.
+passes_1([]) ->
+ {".erl",[?pass(parse_module)|standard_passes()]}.
+
+pass(from_core) ->
+ {".core",[?pass(parse_core)|core_passes()]};
+pass(from_asm) ->
+ {".S",[?pass(beam_consult_asm)|asm_passes()]};
+pass(asm) ->
+ pass(from_asm);
+pass(from_beam) ->
+ {".beam",[?pass(read_beam_file)|binary_passes()]};
+pass(_) -> none.
%% select_passes([Command], Opts) -> [{Name,Function}]
%% Interpret the lists of commands to return a pure list of passes.
@@ -439,6 +435,8 @@ passes(file, Opts) ->
%% file will be Ext. (Ext should not contain
%% a period.) No more passes will be run.
%%
+%% done End compilation at this point.
+%%
%% {done,Ext} End compilation at this point. Produce a listing
%% as with {listing,Ext}, unless 'binary' is
%% specified, in which case the current
@@ -472,6 +470,8 @@ select_passes([{src_listing,Ext}|_], _Opts) ->
[{listing,fun (St) -> src_listing(Ext, St) end}];
select_passes([{listing,Ext}|_], _Opts) ->
[{listing,fun (St) -> listing(Ext, St) end}];
+select_passes([done|_], _Opts) ->
+ [];
select_passes([{done,Ext}|_], Opts) ->
select_passes([{unless,binary,{listing,Ext}}], Opts);
select_passes([{iff,Flag,Pass}|Ps], Opts) ->
@@ -554,6 +554,13 @@ select_list_passes_1([], _, Acc) ->
standard_passes() ->
[?pass(transform_module),
+
+ {iff,makedep,[
+ ?pass(makedep),
+ {unless,binary,?pass(makedep_output)}
+ ]},
+ {iff,makedep,done},
+
{iff,'dpp',{listing,"pp"}},
?pass(lint_module),
{iff,'P',{src_listing,"P"}},
@@ -590,7 +597,7 @@ core_passes() ->
kernel_passes() ->
%% Destructive setelement/3 optimization and core lint.
- [{unless,no_constant_pool,?pass(core_dsetel_module)}, %Not safe without constant pool.
+ [?pass(core_dsetel_module),
{iff,dsetel,{listing,"dsetel"}},
{iff,clint,?pass(core_lint_module)},
@@ -626,6 +633,8 @@ asm_passes() ->
{iff,dclean,{listing,"clean"}},
{unless,no_bsm_opt,{pass,beam_bsm}},
{iff,dbsm,{listing,"bsm"}},
+ {unless,no_recv_opt,{pass,beam_receive}},
+ {iff,drecv,{listing,"recv"}},
{unless,no_stack_trimming,{pass,beam_trim}},
{iff,dtrim,{listing,"trim"}},
{pass,beam_flatten}]},
@@ -826,6 +835,10 @@ foldl_transform(St, [T|Ts]) ->
{'EXIT',R} ->
Es = [{St#compile.ifile,[{none,compile,{parse_transform,T,R}}]}],
{error,St#compile{errors=St#compile.errors ++ Es}};
+ {warning, Forms, Ws} ->
+ foldl_transform(
+ St#compile{code=Forms,
+ warnings=St#compile.warnings ++ Ws}, Ts);
Forms ->
foldl_transform(St#compile{code=Forms}, Ts)
end;
@@ -835,7 +848,6 @@ get_core_transforms(Opts) -> [M || {core_transform,M} <- Opts].
core_transforms(St) ->
%% The options field holds the complete list of options at this
-
Ts = get_core_transforms(St#compile.options),
foldl_core_transforms(St, Ts).
@@ -900,6 +912,184 @@ core_lint_module(St) ->
errors=St#compile.errors ++ Es}}
end.
+makedep(#compile{code=Code,options=Opts}=St) ->
+ Ifile = St#compile.ifile,
+ Ofile = St#compile.ofile,
+
+ %% Get the target of the Makefile rule.
+ Target0 =
+ case proplists:get_value(makedep_target, Opts) of
+ undefined ->
+ %% The target is derived from the output filename: possibly
+ %% remove the current working directory to obtain a relative
+ %% path.
+ shorten_filename(Ofile);
+ T ->
+ %% The caller specified one.
+ T
+ end,
+
+ %% Quote the target is the called asked for this.
+ Target1 = case proplists:get_value(makedep_quote_target, Opts) of
+ true ->
+ %% For now, only "$" is replaced by "$$".
+ Fun = fun
+ ($$) -> "$$";
+ (C) -> C
+ end,
+ map(Fun, Target0);
+ _ ->
+ Target0
+ end,
+ Target = Target1 ++ ":",
+
+ %% List the dependencies (includes) for this target.
+ {MainRule,PhonyRules} = makedep_add_headers(
+ Ifile, % The input file name.
+ Code, % The parsed source.
+ [], % The list of dependencies already added.
+ length(Target), % The current line length.
+ Target, % The target.
+ "", % Phony targets.
+ Opts),
+
+ %% Prepare the content of the Makefile. For instance:
+ %% hello.erl: hello.hrl common.hrl
+ %%
+ %% Or if phony targets are enabled:
+ %% hello.erl: hello.hrl common.hrl
+ %%
+ %% hello.hrl:
+ %%
+ %% common.hrl:
+ Makefile = case proplists:get_value(makedep_phony, Opts) of
+ true -> MainRule ++ PhonyRules;
+ _ -> MainRule
+ end,
+ {ok,St#compile{code=iolist_to_binary([Makefile,"\n"])}}.
+
+makedep_add_headers(Ifile, [{attribute,_,file,{File,_}}|Rest],
+ Included, LineLen, MainTarget, Phony, Opts) ->
+ %% The header "File" exists, add it to the dependencies.
+ {Included1,LineLen1,MainTarget1,Phony1} =
+ makedep_add_header(Ifile, Included, LineLen, MainTarget, Phony, File),
+ makedep_add_headers(Ifile, Rest, Included1, LineLen1,
+ MainTarget1, Phony1, Opts);
+makedep_add_headers(Ifile, [{error,{_,epp,{include,file,File}}}|Rest],
+ Included, LineLen, MainTarget, Phony, Opts) ->
+ %% The header "File" doesn't exist, do we add it to the dependencies?
+ case proplists:get_value(makedep_add_missing, Opts) of
+ true ->
+ {Included1,LineLen1,MainTarget1,Phony1} =
+ makedep_add_header(Ifile, Included, LineLen, MainTarget,
+ Phony, File),
+ makedep_add_headers(Ifile, Rest, Included1, LineLen1,
+ MainTarget1, Phony1, Opts);
+ _ ->
+ makedep_add_headers(Ifile, Rest, Included, LineLen,
+ MainTarget, Phony, Opts)
+ end;
+makedep_add_headers(Ifile, [_|Rest], Included, LineLen,
+ MainTarget, Phony, Opts) ->
+ makedep_add_headers(Ifile, Rest, Included,
+ LineLen, MainTarget, Phony, Opts);
+makedep_add_headers(_Ifile, [], _Included, _LineLen,
+ MainTarget, Phony, _Opts) ->
+ {MainTarget,Phony}.
+
+makedep_add_header(Ifile, Included, LineLen, MainTarget, Phony, File) ->
+ case member(File, Included) of
+ true ->
+ %% This file was already listed in the dependencies, skip it.
+ {Included,LineLen,MainTarget,Phony};
+ false ->
+ Included1 = [File|Included],
+
+ %% Remove "./" in front of the dependency filename.
+ File1 = case File of
+ "./" ++ File0 -> File0;
+ _ -> File
+ end,
+
+ %% Prepare the phony target name.
+ Phony1 = case File of
+ Ifile -> Phony;
+ _ -> Phony ++ "\n\n" ++ File1 ++ ":"
+ end,
+
+ %% Add the file to the dependencies. Lines longer than 76 columns
+ %% are splitted.
+ if
+ LineLen + 1 + length(File1) > 76 ->
+ LineLen1 = 2 + length(File1),
+ MainTarget1 = MainTarget ++ " \\\n " ++ File1,
+ {Included1,LineLen1,MainTarget1,Phony1};
+ true ->
+ LineLen1 = LineLen + 1 + length(File1),
+ MainTarget1 = MainTarget ++ " " ++ File1,
+ {Included1,LineLen1,MainTarget1,Phony1}
+ end
+ end.
+
+makedep_output(#compile{code=Code,options=Opts,ofile=Ofile}=St) ->
+ %% Write this Makefile (Code) to the selected output.
+ %% If no output is specified, the default is to write to a file named after
+ %% the output file.
+ Output0 = case proplists:get_value(makedep_output, Opts) of
+ undefined ->
+ %% Prepare the default filename.
+ outfile(filename:basename(Ofile, ".beam"), "Pbeam", Opts);
+ O ->
+ O
+ end,
+
+ %% If the caller specified an io_device(), there's nothing to do. If he
+ %% specified a filename, we must create it. Furthermore, this created file
+ %% must be closed before returning.
+ Ret = case Output0 of
+ _ when is_list(Output0) ->
+ case file:delete(Output0) of
+ Ret2 when Ret2 =:= ok; Ret2 =:= {error,enoent} ->
+ case file:open(Output0, [write]) of
+ {ok,IODev} ->
+ {ok,IODev,true};
+ {error,Reason2} ->
+ {error,open,Reason2}
+ end;
+ {error,Reason1} ->
+ {error,delete,Reason1}
+ end;
+ _ ->
+ {ok,Output0,false}
+ end,
+
+ case Ret of
+ {ok,Output1,CloseOutput} ->
+ try
+ %% Write the Makefile.
+ io:fwrite(Output1, "~s", [Code]),
+ %% Close the file if relevant.
+ if
+ CloseOutput -> file:close(Output1);
+ true -> ok
+ end,
+ {ok,St}
+ catch
+ exit:_ ->
+ %% Couldn't write to output Makefile.
+ Err = {St#compile.ifile,[{none,?MODULE,write_error}]},
+ {error,St#compile{errors=St#compile.errors++[Err]}}
+ end;
+ {error,open,Reason} ->
+ %% Couldn't open output Makefile.
+ Err = {St#compile.ifile,[{none,?MODULE,{open,Reason}}]},
+ {error,St#compile{errors=St#compile.errors++[Err]}};
+ {error,delete,Reason} ->
+ %% Couldn't open output Makefile.
+ Err = {St#compile.ifile,[{none,?MODULE,{delete,Output0,Reason}}]},
+ {error,St#compile{errors=St#compile.errors++[Err]}}
+ end.
+
%% expand_module(State) -> State'
%% Do the common preprocessing of the input forms.
@@ -909,13 +1099,8 @@ expand_module(#compile{code=Code,options=Opts0}=St0) ->
{ok,St0#compile{module=Mod,options=Opts,code={Mod,Exp,Forms}}}.
core_module(#compile{code=Code0,options=Opts}=St) ->
- case v3_core:module(Code0, Opts) of
- {ok,Code,Ws} ->
- {ok,St#compile{code=Code,warnings=St#compile.warnings ++ Ws}};
- {error,Es,Ws} ->
- {error,St#compile{warnings=St#compile.warnings ++ Ws,
- errors=St#compile.errors ++ Es}}
- end.
+ {ok,Code,Ws} = v3_core:module(Code0, Opts),
+ {ok,St#compile{code=Code,warnings=St#compile.warnings ++ Ws}}.
core_fold_module(#compile{code=Code0,options=Opts,warnings=Warns}=St) ->
{ok,Code,Ws} = sys_core_fold:module(Code0, Opts),
@@ -1184,12 +1369,12 @@ write_binary(Name, Bin, St) ->
%% report_errors(State) -> ok
%% report_warnings(State) -> ok
-report_errors(St) ->
- case member(report_errors, St#compile.options) of
+report_errors(#compile{options=Opts,errors=Errors}) ->
+ case member(report_errors, Opts) of
true ->
foreach(fun ({{F,_L},Eds}) -> list_errors(F, Eds);
({F,Eds}) -> list_errors(F, Eds) end,
- St#compile.errors);
+ Errors);
false -> ok
end.