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-rw-r--r--lib/stdlib/src/filename.erl46
1 files changed, 21 insertions, 25 deletions
diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl
index 1cb9e4a25e..dbfcbea4f7 100644
--- a/lib/stdlib/src/filename.erl
+++ b/lib/stdlib/src/filename.erl
@@ -147,9 +147,10 @@ basename(Name) when is_binary(Name) ->
end;
basename(Name0) ->
- Name = flatten(Name0),
+ Name1 = flatten(Name0),
{DirSep2, DrvSep} = separators(),
- basename1(skip_prefix(Name, DrvSep), [], DirSep2).
+ Name = skip_prefix(Name1, DrvSep),
+ basename1(Name, Name, DirSep2).
win_basenameb(<<Letter,$:,Rest/binary>>) when ?IS_DRIVELETTER(Letter) ->
basenameb(Rest,[<<"/">>,<<"\\">>]);
@@ -167,16 +168,18 @@ basenameb(Bin,Sep) ->
-basename1([$/|[]], Tail, DirSep2) ->
- basename1([], Tail, DirSep2);
+basename1([$/], Tail0, _DirSep2) ->
+ %% End of filename -- must get rid of trailing directory separator.
+ [_|Tail] = lists:reverse(Tail0),
+ lists:reverse(Tail);
basename1([$/|Rest], _Tail, DirSep2) ->
- basename1(Rest, [], DirSep2);
+ basename1(Rest, Rest, DirSep2);
basename1([DirSep2|Rest], Tail, DirSep2) when is_integer(DirSep2) ->
basename1([$/|Rest], Tail, DirSep2);
basename1([Char|Rest], Tail, DirSep2) when is_integer(Char) ->
- basename1(Rest, [Char|Tail], DirSep2);
+ basename1(Rest, Tail, DirSep2);
basename1([], Tail, _DirSep2) ->
- lists:reverse(Tail).
+ Tail.
skip_prefix(Name, false) ->
Name;
@@ -369,8 +372,8 @@ extension(Name0) ->
Name = flatten(Name0),
extension(Name, [], major_os_type()).
-extension([$.|Rest], _Result, OsType) ->
- extension(Rest, [$.], OsType);
+extension([$.|Rest]=Result, _Result, OsType) ->
+ extension(Rest, Result, OsType);
extension([Char|Rest], [], OsType) when is_integer(Char) ->
extension(Rest, [], OsType);
extension([$/|Rest], _Result, OsType) ->
@@ -378,9 +381,9 @@ extension([$/|Rest], _Result, OsType) ->
extension([$\\|Rest], _Result, win32) ->
extension(Rest, [], win32);
extension([Char|Rest], Result, OsType) when is_integer(Char) ->
- extension(Rest, [Char|Result], OsType);
+ extension(Rest, Result, OsType);
extension([], Result, _OsType) ->
- lists:reverse(Result).
+ Result.
%% Joins a list of filenames with directory separators.
@@ -833,16 +836,18 @@ try_file(undefined, ObjFilename, Mod, Rules) ->
Error -> Error
end;
try_file(Src, _ObjFilename, Mod, _Rules) ->
- List = Mod:module_info(compile),
- {options, Options} = lists:keyfind(options, 1, List),
+ List = case Mod:module_info(compile) of
+ none -> [];
+ List0 -> List0
+ end,
+ Options = proplists:get_value(options, List, []),
{ok, Cwd} = file:get_cwd(),
AbsPath = make_abs_path(Cwd, Src),
{AbsPath, filter_options(dirname(AbsPath), Options, [])}.
%% Filters the options.
%%
-%% 1) Remove options that have no effect on the generated code,
-%% such as report and verbose.
+%% 1) Only keep options that have any effect on code generation.
%%
%% 2) The paths found in {i, Path} and {outdir, Path} are converted
%% to absolute paths. When doing this, it is assumed that relatives
@@ -854,14 +859,10 @@ filter_options(Base, [{outdir, Path}|Rest], Result) ->
filter_options(Base, Rest, [{outdir, make_abs_path(Base, Path)}|Result]);
filter_options(Base, [{i, Path}|Rest], Result) ->
filter_options(Base, Rest, [{i, make_abs_path(Base, Path)}|Result]);
-filter_options(Base, [Option|Rest], Result) when Option =:= trace ->
- filter_options(Base, Rest, [Option|Result]);
filter_options(Base, [Option|Rest], Result) when Option =:= export_all ->
filter_options(Base, Rest, [Option|Result]);
filter_options(Base, [Option|Rest], Result) when Option =:= binary ->
filter_options(Base, Rest, [Option|Result]);
-filter_options(Base, [Option|Rest], Result) when Option =:= fast ->
- filter_options(Base, Rest, [Option|Result]);
filter_options(Base, [Tuple|Rest], Result) when element(1, Tuple) =:= d ->
filter_options(Base, Rest, [Tuple|Result]);
filter_options(Base, [Tuple|Rest], Result)
@@ -875,12 +876,7 @@ filter_options(_Base, [], Result) ->
%% Gets the source file given path of object code and module name.
get_source_file(Obj, Mod, Rules) ->
- case catch Mod:module_info(source_file) of
- {'EXIT', _Reason} ->
- source_by_rules(dirname(Obj), packages:last(Mod), Rules);
- File ->
- {ok, File}
- end.
+ source_by_rules(dirname(Obj), packages:last(Mod), Rules).
source_by_rules(Dir, Base, [{From, To}|Rest]) ->
case try_rule(Dir, Base, From, To) of