Offer a fixit hint for our warning about tokens at the end of a directive:
t.c:3:8: warning: extra tokens at end of #endif directive
#endif foo
^
//
Don't do this in strict-C89 mode because bcpl comments aren't
valid there, and it is too much trouble to analyze whether
C block comments are safe.
llvm-svn: 69024
diff --git a/clang/lib/Lex/PPDirectives.cpp b/clang/lib/Lex/PPDirectives.cpp
index affd988..7420769 100644
--- a/clang/lib/Lex/PPDirectives.cpp
+++ b/clang/lib/Lex/PPDirectives.cpp
@@ -114,7 +114,13 @@
LexUnexpandedToken(Tmp);
if (Tmp.isNot(tok::eom)) {
- Diag(Tmp, diag::ext_pp_extra_tokens_at_eol) << DirType;
+ // Add a fixit in GNU/C99/C++ mode. Don't offer a fixit for strict-C89,
+ // because it is more trouble than it is worth to insert /**/ and check that
+ // there is no /**/ in the range also.
+ CodeModificationHint FixItHint;
+ if (Features.GNUMode || Features.C99 || Features.CPlusPlus)
+ FixItHint = CodeModificationHint::CreateInsertion(Tmp.getLocation(),"//");
+ Diag(Tmp, diag::ext_pp_extra_tokens_at_eol) << DirType << FixItHint;
DiscardUntilEndOfDirective();
}
}