diff options
Diffstat (limited to 'clang/lib/Lex/Lexer.cpp')
| -rw-r--r-- | clang/lib/Lex/Lexer.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/clang/lib/Lex/Lexer.cpp b/clang/lib/Lex/Lexer.cpp index 3207062ccad..149041559ab 100644 --- a/clang/lib/Lex/Lexer.cpp +++ b/clang/lib/Lex/Lexer.cpp @@ -229,7 +229,14 @@ unsigned Lexer::MeasureTokenLength(SourceLocation Loc, // the token this macro expanded to. Loc = SM.getInstantiationLoc(Loc); std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(Loc); - std::pair<const char *,const char *> Buffer = SM.getBufferData(LocInfo.first); + llvm::StringRef FileName; + std::string ErrorStr; + std::pair<const char *,const char *> Buffer = SM.getBufferData(LocInfo.first, + FileName, + ErrorStr); + if (!Buffer.first) + return 0; + const char *StrData = Buffer.first+LocInfo.second; if (isWhitespace(StrData[0])) |
