[-E] Emit a rewritten _Pragma on its own line.
1. Teach Lexer that pragma lexers are like macro expansions at EOF.
2. Treat pragmas like #define/#undef when printing.
3. If we just printed a directive, add a newline before any more tokens.
(4. Miscellaneous cleanup in PrintPreprocessedOutput.cpp)
PR10594 and <rdar://problem/11562490> (two separate related problems)
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158571 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Lexer.cpp b/lib/Lex/Lexer.cpp
index 69d21f8..4ebe157 100644
--- a/lib/Lex/Lexer.cpp
+++ b/lib/Lex/Lexer.cpp
@@ -2402,7 +2402,7 @@
BufferPtr = CurPtr;
// Finally, let the preprocessor handle this.
- return PP->HandleEndOfFile(Result);
+ return PP->HandleEndOfFile(Result, isPragmaLexer());
}
/// isNextPPTokenLParen - Return 1 if the next unexpanded token lexed from