simplify the lexer ctor to take a SLoc instead of a sloc and a redundant buffer*.

llvm-svn: 40104

1 files changed, 1 insertions, 5 deletions

diff --git a/clang/Driver/TextDiagnosticPrinter.cpp b/clang/Driver/TextDiagnosticPrinter.cpp
index f37732c2416..87f33741b08 100644
--- a/clang/Driver/TextDiagnosticPrinter.cpp
+++ b/clang/Driver/TextDiagnosticPrinter.cpp
@@ -108,15 +108,11 @@ unsigned TextDiagnosticPrinter::GetTokenLength(SourceLocation Loc) {
   // TODO: this could be special cased for common tokens like identifiers, ')',
   // etc to make this faster, if it mattered.  This could use 
   // Lexer::isObviouslySimpleCharacter for example.
-  unsigned FileID = Loc.getFileID();
   
   // Create a lexer starting at the beginning of this token.
-  Lexer TheLexer(SourceMgr.getBuffer(FileID), Loc,
-                 *ThePreprocessor, StrData);
-  
+  Lexer TheLexer(Loc, *ThePreprocessor, StrData);
   LexerToken TheTok;
   TheLexer.LexRawToken(TheTok);
-
   return TheTok.getLength();
 }