diff options
Diffstat (limited to 'src/rebar_compiler.erl')
| -rw-r--r-- | src/rebar_compiler.erl | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/rebar_compiler.erl b/src/rebar_compiler.erl index 6e94cb2..256794a 100644 --- a/src/rebar_compiler.erl +++ b/src/rebar_compiler.erl @@ -3,6 +3,7 @@ -export([compile_all/2, clean/2, + needs_compile/3, ok_tuple/2, error_tuple/4, maybe_report/1, @@ -18,7 +19,7 @@ include_dirs => [file:dirname()], src_ext => extension(), out_mappings => out_mappings()}. --callback needed_files(digraph:graph(), [file:filename()], rebar_app_info:t()) -> [file:filename()]. +-callback needed_files(digraph:graph(), [file:filename()], list(), rebar_app_info:t()) -> [file:filename()]. -callback dependencies(file:filename(), file:dirname(), [file:dirname()]) -> [file:filename()]. -callback compile(file:filename(), out_mappings(), rebar_dict(), list()) -> ok | {ok, [string()]} | {ok, [string()], [string()]}. @@ -66,7 +67,8 @@ run(CompilerMod, AppInfo) -> OutDir = rebar_app_info:out_dir(AppInfo), AbsSrcDirs = [filename:join(BaseDir, SrcDir) || SrcDir <- SrcDirs], G = init_dag(CompilerMod, AbsInclDirs, AbsSrcDirs, FoundFiles, OutDir, EbinDir), - {{FirstFiles, FirstFileOpts}, {RestFiles, Opts}} = CompilerMod:needed_files(G, FoundFiles, AppInfo), + {{FirstFiles, FirstFileOpts}, {RestFiles, Opts}} = CompilerMod:needed_files(G, FoundFiles, + Mappings, AppInfo), true = digraph:delete(G), compile_each(FirstFiles, FirstFileOpts, BaseOpts, Mappings, CompilerMod), @@ -111,6 +113,13 @@ clean_(CompilerMod, AppInfo) -> CompilerMod:clean(FoundFiles, AppInfo), rebar_file_utils:rm_rf(dag_file(CompilerMod, EbinDir)). +-spec needs_compile(filename:all(), extension(), [{extension(), file:dirname()}]) -> boolean(). +needs_compile(Source, OutExt, Mappings) -> + Ext = filename:extension(Source), + BaseName = filename:basename(Source, Ext), + {_, OutDir} = lists:keyfind(OutExt, 1, Mappings), + Target = filename:join(OutDir, BaseName++OutExt), + filelib:last_modified(Source) > filelib:last_modified(Target). run_on_extra_src_dirs(CompilerMod, AppInfo, Fun) -> ExtraDirs = rebar_dir:extra_src_dirs(rebar_app_info:opts(AppInfo), []), |