From 9a9b77c72f95123ac0e6d1dab7f907a4f0f2e6a6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= Date: Mon, 16 Jun 2014 14:25:12 +0200 Subject: Fix handling of latin1 characters in false ifdef branches The fallback to latin-1 encoding would not work if the invalid UTF-8 characters occurred in a skipped branch in an -ifdef/-ifndef. --- lib/stdlib/src/epp.erl | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) (limited to 'lib/stdlib/src/epp.erl') diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl index 9b506b0a44..5f8637c118 100644 --- a/lib/stdlib/src/epp.erl +++ b/lib/stdlib/src/epp.erl @@ -1121,8 +1121,20 @@ skip_toks(From, St, [I|Sis]) -> skip_toks(From, St#epp{location=Cl}, Sis); {ok,_Toks,Cl} -> skip_toks(From, St#epp{location=Cl}, [I|Sis]); - {error,_E,Cl} -> - skip_toks(From, St#epp{location=Cl}, [I|Sis]); + {error,E,Cl} -> + case E of + {_,file_io_server,invalid_unicode} -> + %% The compiler needs to know that there was + %% invalid unicode characters in the file + %% (and there is no point in continuing anyway + %% since io server process has terminated). + epp_reply(From, {error,E}), + leave_file(wait_request(St), St); + _ -> + %% Some other invalid token, such as a bad floating + %% point number. Just ignore it. + skip_toks(From, St#epp{location=Cl}, [I|Sis]) + end; {eof,Cl} -> leave_file(From, St#epp{location=Cl,istk=[I|Sis]}); {error,_E} -> -- cgit v1.2.3