Add an API call to retrieve the spelling data of a token from its SourceLocation.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127216 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 1 deletions

diff --git a/include/clang/Lex/Preprocessor.h b/include/clang/Lex/Preprocessor.h
index ec04838af2..0b01710abf 100644
--- a/include/clang/Lex/Preprocessor.h
+++ b/include/clang/Lex/Preprocessor.h
@@ -644,13 +644,18 @@ public:
     return Diags->Report(Tok.getLocation(), DiagID);
   }
 
+  /// getSpelling() - Return the 'spelling' of the token at the given location.
+  ///
+  /// \param invalid If non-null, will be set \c true if an error occurs.
+  llvm::StringRef getSpelling(SourceLocation loc, bool *invalid = 0) const;
+
   /// getSpelling() - Return the 'spelling' of the Tok token.  The spelling of a
   /// token is the characters used to represent the token in the source file
   /// after trigraph expansion and escaped-newline folding.  In particular, this
   /// wants to get the true, uncanonicalized, spelling of things like digraphs
   /// UCNs, etc.
   ///
-  /// \param Invalid If non-NULL, will be set \c true if an error occurs.
+  /// \param Invalid If non-null, will be set \c true if an error occurs.
   std::string getSpelling(const Token &Tok, bool *Invalid = 0) const {
     return Lexer::getSpelling(Tok, SourceMgr, Features, Invalid);
   }