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-rw-r--r--lib/parsetools/src/leex.erl10
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/parsetools/src/leex.erl b/lib/parsetools/src/leex.erl
index e531b78a5b..7039aea1ae 100644
--- a/lib/parsetools/src/leex.erl
+++ b/lib/parsetools/src/leex.erl
@@ -1645,10 +1645,14 @@ output_encoding_comment(File, #leex{encoding = Encoding}) ->
output_file_directive(File, Filename, Line) ->
io:fwrite(File, <<"-file(~ts, ~w).\n">>,
- [format_filename(Filename), Line]).
+ [format_filename(Filename, File), Line]).
-format_filename(Filename) ->
- io_lib:write_string(filename:flatten(Filename)).
+format_filename(Filename0, File) ->
+ Filename = filename:flatten(Filename0),
+ case lists:keyfind(encoding, 1, io:getopts(File)) of
+ {encoding, unicode} -> io_lib:write_string(Filename);
+ _ -> io_lib:write_string_as_latin1(Filename)
+ end.
quote($^) -> "\\^";
quote($.) -> "\\.";