add a simplified lexer ctor that sets up the lexer to raw-lex an

entire file.

llvm-svn: 62414

1 files changed, 1 insertions, 4 deletions

diff --git a/clang/lib/Rewrite/TokenRewriter.cpp b/clang/lib/Rewrite/TokenRewriter.cpp
index 85d83c2dea3..aab6fb0cce8 100644
--- a/clang/lib/Rewrite/TokenRewriter.cpp
+++ b/clang/lib/Rewrite/TokenRewriter.cpp
@@ -22,11 +22,8 @@ TokenRewriter::TokenRewriter(FileID FID, SourceManager &SM,
                              const LangOptions &LangOpts) {
   ScratchBuf.reset(new ScratchBuffer(SM));
   
-  std::pair<const char*,const char*> File = SM.getBufferData(FID);
-  
   // Create a lexer to lex all the tokens of the main file in raw mode.
-  Lexer RawLex(SM.getLocForStartOfFile(FID),
-               LangOpts, File.first, File.second);
+  Lexer RawLex(FID, SM, LangOpts);
   
   // Return all comments and whitespace as tokens.
   RawLex.SetKeepWhitespaceMode(true);