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Author SHA1 Message Date
Jordan Rose 127f6eef7e [-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)

llvm-svn: 158571
 2012-06-15 23:33:51 +00:00
Douglas Gregor ca3682d486 Make sure we're producing a newline in the preprocessed output before 
emitting a #pragma, whenever one is needed. Fixes <rdar://problem/8417307>.

llvm-svn: 113648
 2010-09-10 22:27:29 +00:00
Douglas Gregor c7d6576d54 When we parse a pragma, keep track of how that pragma was originally 
spelled (#pragma, _Pragma, __pragma). In -E mode, use that information
to add appropriate newlines when translating _Pragma and __pragma into
#pragma, like GCC does. Fixes <rdar://problem/8412013>.

llvm-svn: 113553
 2010-09-09 22:45:38 +00:00