aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stdlib/src/erl_compile.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/stdlib/src/erl_compile.erl')
-rw-r--r--lib/stdlib/src/erl_compile.erl263
1 files changed, 194 insertions, 69 deletions
diff --git a/lib/stdlib/src/erl_compile.erl b/lib/stdlib/src/erl_compile.erl
index 8c3d59467b..a6ae398d03 100644
--- a/lib/stdlib/src/erl_compile.erl
+++ b/lib/stdlib/src/erl_compile.erl
@@ -1,18 +1,19 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2016. 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
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
+%% 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
%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
+%% 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.
%%
%% %CopyrightEnd%
%%
@@ -21,10 +22,12 @@
-include("erl_compile.hrl").
-include("file.hrl").
--export([compile_cmdline/1]).
+-export([compile_cmdline/0]).
-export_type([cmd_line_arg/0]).
+-define(STDERR, standard_error). %Macro to avoid misspellings.
+
%% Mapping from extension to {M,F} to run the correct compiler.
compiler(".erl") -> {compile, compile};
@@ -47,15 +50,17 @@ compiler(_) -> no.
-type cmd_line_arg() :: atom() | string().
--spec compile_cmdline([cmd_line_arg()]) -> no_return().
+-spec compile_cmdline() -> no_return().
-compile_cmdline(List) ->
+compile_cmdline() ->
+ List = init:get_plain_arguments(),
case compile(List) of
ok -> my_halt(0);
error -> my_halt(1);
_ -> my_halt(2)
end.
+-spec my_halt(_) -> no_return().
my_halt(Reason) ->
erlang:halt(Reason).
@@ -63,86 +68,204 @@ my_halt(Reason) ->
compile(List) ->
process_flag(trap_exit, true),
- Pid = spawn_link(fun() -> compiler_runner(List) end),
+ Pid = spawn_link(compiler_runner(List)),
receive
{'EXIT', Pid, {compiler_result, Result}} ->
Result;
+ {'EXIT', Pid, {compiler_error, Error}} ->
+ io:put_chars(?STDERR, Error),
+ io:nl(?STDERR),
+ error;
{'EXIT', Pid, Reason} ->
- io:format("Runtime error: ~tp~n", [Reason]),
+ io:format(?STDERR, "Runtime error: ~tp~n", [Reason]),
error
end.
--spec compiler_runner([cmd_line_arg()]) -> no_return().
+-spec compiler_runner([cmd_line_arg()]) -> fun(() -> no_return()).
compiler_runner(List) ->
- %% We don't want the current directory in the code path.
- %% Remove it.
- Path = [D || D <- code:get_path(), D =/= "."],
- true = code:set_path(Path),
- exit({compiler_result, compile1(List)}).
+ fun() ->
+ %% We don't want the current directory in the code path.
+ %% Remove it.
+ Path = [D || D <- code:get_path(), D =/= "."],
+ true = code:set_path(Path),
+ exit({compiler_result, compile1(List)})
+ end.
%% Parses the first part of the option list.
-compile1(['@cwd', Cwd|Rest]) ->
- CwdL = atom_to_list(Cwd),
- compile1(Rest, CwdL, #options{outdir=CwdL, cwd=CwdL});
compile1(Args) ->
- %% From R13B02, the @cwd argument is optional.
{ok, Cwd} = file:get_cwd(),
- compile1(Args, Cwd, #options{outdir=Cwd, cwd=Cwd}).
+ compile1(Args, #options{outdir=Cwd,cwd=Cwd}).
%% Parses all options.
-compile1(['@i', Dir|Rest], Cwd, Opts) ->
+compile1(["--"|Files], Opts) ->
+ compile2(Files, Opts);
+compile1(["-"++Option|T], Opts) ->
+ parse_generic_option(Option, T, Opts);
+compile1(["+"++Option|Rest], Opts) ->
+ Term = make_term(Option),
+ Specific = Opts#options.specific,
+ compile1(Rest, Opts#options{specific=[Term|Specific]});
+compile1(Files, Opts) ->
+ compile2(Files, Opts).
+
+parse_generic_option("b"++Opt, T0, Opts) ->
+ {OutputType,T} = get_option("b", Opt, T0),
+ compile1(T, Opts#options{output_type=list_to_atom(OutputType)});
+parse_generic_option("D"++Opt, T0, #options{defines=Defs}=Opts) ->
+ {Val0,T} = get_option("D", Opt, T0),
+ {Key0,Val1} = split_at_equals(Val0, []),
+ Key = list_to_atom(Key0),
+ case Val1 of
+ [] ->
+ compile1(T, Opts#options{defines=[Key|Defs]});
+ Val2 ->
+ Val = make_term(Val2),
+ compile1(T, Opts#options{defines=[{Key,Val}|Defs]})
+ end;
+parse_generic_option("help", _, _Opts) ->
+ usage();
+parse_generic_option("I"++Opt, T0, #options{cwd=Cwd}=Opts) ->
+ {Dir,T} = get_option("I", Opt, T0),
AbsDir = filename:absname(Dir, Cwd),
- compile1(Rest, Cwd, Opts#options{includes=[AbsDir|Opts#options.includes]});
-compile1(['@outdir', Dir|Rest], Cwd, Opts) ->
+ compile1(T, Opts#options{includes=[AbsDir|Opts#options.includes]});
+parse_generic_option("M"++Opt, T0, #options{specific=Spec}=Opts) ->
+ case parse_dep_option(Opt, T0) of
+ error ->
+ error;
+ {SpecOpts,T} ->
+ compile1(T, Opts#options{specific=SpecOpts++Spec})
+ end;
+parse_generic_option("o"++Opt, T0, #options{cwd=Cwd}=Opts) ->
+ {Dir,T} = get_option("o", Opt, T0),
AbsName = filename:absname(Dir, Cwd),
case file_or_directory(AbsName) of
file ->
- compile1(Rest, Cwd, Opts#options{outfile=AbsName});
+ compile1(T, Opts#options{outfile=AbsName});
directory ->
- compile1(Rest, Cwd, Opts#options{outdir=AbsName})
+ compile1(T, Opts#options{outdir=AbsName})
end;
-compile1(['@d', Name|Rest], Cwd, Opts) ->
- Defines = Opts#options.defines,
- compile1(Rest, Cwd, Opts#options{defines=[Name|Defines]});
-compile1(['@dv', Name, Term|Rest], Cwd, Opts) ->
- Defines = Opts#options.defines,
- Value = make_term(atom_to_list(Term)),
- compile1(Rest, Cwd, Opts#options{defines=[{Name, Value}|Defines]});
-compile1(['@warn', Level0|Rest], Cwd, Opts) ->
- case catch list_to_integer(atom_to_list(Level0)) of
- Level when is_integer(Level) ->
- compile1(Rest, Cwd, Opts#options{warning=Level});
+parse_generic_option("O"++Opt, T, Opts) ->
+ case Opt of
+ "" ->
+ compile1(T, Opts#options{optimize=1});
_ ->
- compile1(Rest, Cwd, Opts)
+ Term = make_term(Opt),
+ compile1(T, Opts#options{optimize=Term})
end;
-compile1(['@verbose', false|Rest], Cwd, Opts) ->
- compile1(Rest, Cwd, Opts#options{verbose=false});
-compile1(['@verbose', true|Rest], Cwd, Opts) ->
- compile1(Rest, Cwd, Opts#options{verbose=true});
-compile1(['@optimize', Atom|Rest], Cwd, Opts) ->
- Term = make_term(atom_to_list(Atom)),
- compile1(Rest, Cwd, Opts#options{optimize=Term});
-compile1(['@option', Atom|Rest], Cwd, Opts) ->
- Term = make_term(atom_to_list(Atom)),
- Specific = Opts#options.specific,
- compile1(Rest, Cwd, Opts#options{specific=[Term|Specific]});
-compile1(['@output_type', OutputType|Rest], Cwd, Opts) ->
- compile1(Rest, Cwd, Opts#options{output_type=OutputType});
-compile1(['@files'|Rest], Cwd, Opts) ->
- Includes = lists:reverse(Opts#options.includes),
- compile2(Rest, Cwd, Opts#options{includes=Includes}).
-
-compile2(Files, Cwd, Opts) ->
- case {Opts#options.outfile, length(Files)} of
+parse_generic_option("v", T, Opts) ->
+ compile1(T, Opts#options{verbose=true});
+parse_generic_option("W"++Warn, T, #options{specific=Spec}=Opts) ->
+ case Warn of
+ "all" ->
+ compile1(T, Opts#options{warning=999});
+ "error" ->
+ compile1(T, Opts#options{specific=[warnings_as_errors|Spec]});
+ "" ->
+ compile1(T, Opts#options{warning=1});
+ _ ->
+ try list_to_integer(Warn) of
+ Level ->
+ compile1(T, Opts#options{warning=Level})
+ catch
+ error:badarg ->
+ usage()
+ end
+ end;
+parse_generic_option("E", T, #options{specific=Spec}=Opts) ->
+ compile1(T, Opts#options{specific=['E'|Spec]});
+parse_generic_option("P", T, #options{specific=Spec}=Opts) ->
+ compile1(T, Opts#options{specific=['P'|Spec]});
+parse_generic_option("S", T, #options{specific=Spec}=Opts) ->
+ compile1(T, Opts#options{specific=['S'|Spec]});
+parse_generic_option(Option, _T, _Opts) ->
+ io:format(?STDERR, "Unknown option: -~s\n", [Option]),
+ usage().
+
+parse_dep_option("", T) ->
+ {[makedep,{makedep_output,standard_io}],T};
+parse_dep_option("D", T) ->
+ {[makedep],T};
+parse_dep_option("F"++Opt, T0) ->
+ {File,T} = get_option("MF", Opt, T0),
+ {[makedep,{makedep_output,File}],T};
+parse_dep_option("G", T) ->
+ {[makedep_add_missing],T};
+parse_dep_option("P", T) ->
+ {[makedep_phony],T};
+parse_dep_option("Q"++Opt, T0) ->
+ {Target,T} = get_option("MT", Opt, T0),
+ {[makedep_quote_target,{makedep_target,Target}],T};
+parse_dep_option("T"++Opt, T0) ->
+ {Target,T} = get_option("MT", Opt, T0),
+ {[{makedep_target,Target}],T};
+parse_dep_option(Opt, _T) ->
+ io:format(?STDERR, "Unknown option: -M~s\n", [Opt]),
+ usage().
+
+usage() ->
+ H = [{"-b type","type of output file (e.g. beam)"},
+ {"-d","turn on debugging of erlc itself"},
+ {"-Dname","define name"},
+ {"-Dname=value","define name to have value"},
+ {"-help","shows this help text"},
+ {"-I path","where to search for include files"},
+ {"-M","generate a rule for make(1) describing the dependencies"},
+ {"-MF file","write the dependencies to 'file'"},
+ {"-MT target","change the target of the rule emitted by dependency "
+ "generation"},
+ {"-MQ target","same as -MT but quote characters special to make(1)"},
+ {"-MG","consider missing headers as generated files and add them to "
+ "the dependencies"},
+ {"-MP","add a phony target for each dependency"},
+ {"-MD","same as -M -MT file (with default 'file')"},
+ {"-o name","name output directory or file"},
+ {"-pa path","add path to the front of Erlang's code path"},
+ {"-pz path","add path to the end of Erlang's code path"},
+ {"-smp","compile using SMP emulator"},
+ {"-v","verbose compiler output"},
+ {"-Werror","make all warnings into errors"},
+ {"-W0","disable warnings"},
+ {"-Wnumber","set warning level to number"},
+ {"-Wall","enable all warnings"},
+ {"-W","enable warnings (default; same as -W1)"},
+ {"-E","generate listing of expanded code (Erlang compiler)"},
+ {"-S","generate assembly listing (Erlang compiler)"},
+ {"-P","generate listing of preprocessed code (Erlang compiler)"},
+ {"+term","pass the Erlang term unchanged to the compiler"}],
+ io:put_chars(?STDERR,
+ ["Usage: erlc [Options] file.ext ...\n",
+ "Options:\n",
+ [io_lib:format("~-14s ~s\n", [K,D]) || {K,D} <- H]]),
+ error.
+
+get_option(_Name, [], [[C|_]=Option|T]) when C =/= $- ->
+ {Option,T};
+get_option(_Name, [_|_]=Option, T) ->
+ {Option,T};
+get_option(Name, _, _) ->
+ exit({compiler_error,"No value given to -"++Name++" option"}).
+
+split_at_equals([$=|T], Acc) ->
+ {lists:reverse(Acc),T};
+split_at_equals([H|T], Acc) ->
+ split_at_equals(T, [H|Acc]);
+split_at_equals([], Acc) ->
+ {lists:reverse(Acc),[]}.
+
+compile2(Files, #options{cwd=Cwd,includes=Incl,outfile=Outfile}=Opts0) ->
+ Opts = Opts0#options{includes=lists:reverse(Incl)},
+ case {Outfile,length(Files)} of
{"", _} ->
compile3(Files, Cwd, Opts);
{[_|_], 1} ->
compile3(Files, Cwd, Opts);
{[_|_], _N} ->
- io:format("Output file name given, but more than one input file.~n"),
+ io:put_chars(?STDERR,
+ "Output file name given, "
+ "but more than one input file.\n"),
error
end.
@@ -170,23 +293,25 @@ compile3([], _Cwd, _Options) -> ok.
%% Invokes the appropriate compiler, depending on the file extension.
compile_file("", Input, _Output, _Options) ->
- io:format("File has no extension: ~ts~n", [Input]),
+ io:format(?STDERR, "File has no extension: ~ts~n", [Input]),
error;
compile_file(Ext, Input, Output, Options) ->
case compiler(Ext) of
no ->
- io:format("Unknown extension: '~ts'\n", [Ext]),
+ io:format(?STDERR, "Unknown extension: '~ts'\n", [Ext]),
error;
{M, F} ->
case catch M:F(Input, Output, Options) of
ok -> ok;
error -> error;
{'EXIT',Reason} ->
- io:format("Compiler function ~w:~w/3 failed:\n~p~n",
+ io:format(?STDERR,
+ "Compiler function ~w:~w/3 failed:\n~p~n",
[M,F,Reason]),
error;
Other ->
- io:format("Compiler function ~w:~w/3 returned:\n~p~n",
+ io:format(?STDERR,
+ "Compiler function ~w:~w/3 returned:\n~p~n",
[M,F,Other]),
error
end
@@ -215,10 +340,10 @@ make_term(Str) ->
case erl_parse:parse_term(Tokens ++ [{dot, 1}]) of
{ok, Term} -> Term;
{error, {_,_,Reason}} ->
- io:format("~ts: ~ts~n", [Reason, Str]),
+ io:format(?STDERR, "~ts: ~ts~n", [Reason, Str]),
throw(error)
end;
{error, {_,_,Reason}, _} ->
- io:format("~ts: ~ts~n", [Reason, Str]),
+ io:format(?STDERR, "~ts: ~ts~n", [Reason, Str]),
throw(error)
end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 10:50:30 +0000