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|
%% -------------------------------------------------------------------
%%
%% rebar: Erlang Build Tools
%%
%% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.com)
%%
%% Permission is hereby granted, free of charge, to any person obtaining a copy
%% of this software and associated documentation files (the "Software"), to deal
%% in the Software without restriction, including without limitation the rights
%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
%% copies of the Software, and to permit persons to whom the Software is
%% furnished to do so, subject to the following conditions:
%%
%% The above copyright notice and this permission notice shall be included in
%% all copies or substantial portions of the Software.
%%
%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
%% THE SOFTWARE.
%% -------------------------------------------------------------------
-module(rebar_erlc_compiler).
-export([compile/2,
clean/2]).
-include("rebar.hrl").
%% ===================================================================
%% Public API
%% ===================================================================
compile(Config, Dir) ->
do_compile(Config, "src/*.erl", "ebin", ".erl", ".beam",
fun compile_erl/2),
do_compile(Config, "mibs/*.mib", "priv/mibs", ".mib", ".bin",
fun compile_mib/2).
clean(Config, Dir) ->
%% TODO: This would be more portable if it used Erlang to traverse
%% the dir structure and delete each file; however it would also
%% much slower.
[] = os:cmd("rm -f ebin/*.beam priv/mibs/*.bin"),
ok.
%% ===================================================================
%% Internal functions
%% ===================================================================
do_compile(Config, SrcWildcard, OutDir, InExt, OutExt, CompileFn) ->
case filelib:wildcard(SrcWildcard) of
[] ->
ok;
Srcs when is_list(Srcs) ->
%% Build list of output files
Targets = [target_file(S, OutDir, InExt, OutExt) || S <- Srcs],
Files = lists:zip(Targets, Srcs),
%% Make sure target directory exists
ok = filelib:ensure_dir(hd(Targets)),
%% Start compiling
compile_each(Files, Config, CompileFn)
end.
compile_each([], _Config, _CompileFn) ->
ok;
compile_each([{Target, Src} | Rest], Config, CompileFn) ->
case needs_compile(Target, Src) of
true ->
?CONSOLE("Compiling ~s\n", [Src]),
CompileFn(Src, Config);
false ->
ok
end,
compile_each(Rest, Config, CompileFn).
needs_compile(Target, Src) ->
filelib:last_modified(Target) < filelib:last_modified(Src).
target_file(F, TargetDir, InExt, OutExt) ->
filename:join([TargetDir, filename:basename(F, InExt) ++ OutExt]).
compile_erl(Source, Config) ->
Opts = rebar_config:get_list(Config, erlc_opts, []),
case compile:file(Source, [{i, "include"}, {outdir, "ebin"}, report] ++ Opts) of
{ok, _} ->
ok;
error ->
?FAIL
end.
compile_mib(Source, Config) ->
Opts = rebar_config:get_list(Config, mibc_opts, []),
case snmpc:compile(Source, [{outdir, "priv/mibs"}, {i, ["priv/mibs"]}] ++ Opts) of
{ok, _} ->
ok;
{error, compilation_failed} ->
?FAIL
end.
|
