diff options
Diffstat (limited to 'lib/syntax_tools/src/epp_dodger.erl')
| -rw-r--r-- | lib/syntax_tools/src/epp_dodger.erl | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/lib/syntax_tools/src/epp_dodger.erl b/lib/syntax_tools/src/epp_dodger.erl index 131be4e8e4..7e12eab1b5 100644 --- a/lib/syntax_tools/src/epp_dodger.erl +++ b/lib/syntax_tools/src/epp_dodger.erl @@ -184,9 +184,27 @@ quick_parse_file(File, Options) -> parse_file(File, fun quick_parse/3, Options ++ [no_fail]). parse_file(File, Parser, Options) -> + case do_parse_file(utf8, File, Parser, Options) of + {ok, Forms}=Ret -> + case find_invalid_unicode(Forms) of + none -> + Ret; + invalid_unicode -> + case epp:read_encoding(File) of + utf8 -> + Ret; + _ -> + do_parse_file(latin1, File, Parser, Options) + end + end; + Else -> + Else + end. + +do_parse_file(DefEncoding, File, Parser, Options) -> case file:open(File, [read]) of {ok, Dev} -> - _ = epp:set_encoding(Dev), + _ = epp:set_encoding(Dev, DefEncoding), try Parser(Dev, 1, Options) after ok = file:close(Dev) end; @@ -194,6 +212,14 @@ parse_file(File, Parser, Options) -> Error end. +find_invalid_unicode([H|T]) -> + case H of + {error, {_Line, file_io_server, invalid_unicode}} -> + invalid_unicode; + _Other -> + find_invalid_unicode(T) + end; +find_invalid_unicode([]) -> none. %% ===================================================================== %% @spec parse(IODevice) -> {ok, Forms} | {error, errorinfo()} |