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* [-E] Emit a rewritten _Pragma on its own line.Jordan Rose2012-06-151-1/+0
| | | | | | | | | | | 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
* Make sure we're producing a newline in the preprocessed output beforeDouglas Gregor2010-09-101-5/+10
| | | | | | emitting a #pragma, whenever one is needed. Fixes <rdar://problem/8417307>. llvm-svn: 113648
* When we parse a pragma, keep track of how that pragma was originallyDouglas Gregor2010-09-091-0/+15
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
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