Rewrote PTHLexer::Lex by digging through the sources of Lexer again.  Now we can do basic macro expansion using the PTHLexer.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59724 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed