Simplify raw mode lexing by treating an unterminate /**/ comment the
same we we do an unterminated string or character literal. This makes
it so we can guarantee that the lexer never calls into the
preprocessor (which would be suicide for a raw lexer).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57395 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Lexer.cpp b/lib/Lex/Lexer.cpp
index 63bf58a..44a32db 100644
--- a/lib/Lex/Lexer.cpp
+++ b/lib/Lex/Lexer.cpp
@@ -931,7 +931,8 @@
unsigned char C = getCharAndSize(CurPtr, CharSize);
CurPtr += CharSize;
if (C == 0 && CurPtr == BufferEnd+1) {
- Diag(BufferPtr, diag::err_unterminated_block_comment);
+ if (!LexingRawMode)
+ Diag(BufferPtr, diag::err_unterminated_block_comment);
BufferPtr = CurPtr-1;
return true;
}
@@ -1000,10 +1001,10 @@
// If this is a /* inside of the comment, emit a warning. Don't do this
// if this is a /*/, which will end the comment. This misses cases with
// embedded escaped newlines, but oh well.
- Diag(CurPtr-1, diag::nested_block_comment);
+ Diag(CurPtr-1, diag::warn_nested_block_comment);
}
} else if (C == 0 && CurPtr == BufferEnd+1) {
- Diag(BufferPtr, diag::err_unterminated_block_comment);
+ if (!LexingRawMode) Diag(BufferPtr, diag::err_unterminated_block_comment);
// Note: the user probably forgot a */. We could continue immediately
// after the /*, but this would involve lexing a lot of what really is the
// comment, which surely would confuse the parser.