Add static version of Preprocessor::getSpelling.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88732 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/Lex/Preprocessor.h

@@ -503,6 +503,15 @@ public:
   /// UCNs, etc.
   std::string getSpelling(const Token &Tok) 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.
+  static std::string getSpelling(const Token &Tok,
+                                 const SourceManager &SourceMgr,
+                                 const LangOptions &Features);
+
   /// getSpelling - This method is used to get the spelling of a token into a
   /// preallocated buffer, instead of as an std::string.  The caller is required
   /// to allocate enough space for the token, which is guaranteed to be at least

lib/Lex/Preprocessor.cpp

@@ -192,13 +192,14 @@ void Preprocessor::PrintStats() {
 // Token Spelling
 //===----------------------------------------------------------------------===//
 
-
 /// getSpelling() - Return the 'spelling' of this token.  The spelling of a
 /// token are 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.
-std::string Preprocessor::getSpelling(const Token &Tok) const {
+std::string Preprocessor::getSpelling(const Token &Tok,
+                                      const SourceManager &SourceMgr,
+                                      const LangOptions &Features) {
   assert((int)Tok.getLength() >= 0 && "Token character range is bogus!");
 
   // If this token contains nothing interesting, return it directly.
@@ -221,6 +222,15 @@ std::string Preprocessor::getSpelling(const Token &Tok) const {
   return Result;
 }
 
+/// getSpelling() - Return the 'spelling' of this token.  The spelling of a
+/// token are 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.
+std::string Preprocessor::getSpelling(const Token &Tok) const {
+  return getSpelling(Tok, SourceMgr, Features);
+}
+
 /// getSpelling - This method is used to get the spelling of a token into a
 /// preallocated buffer, instead of as an std::string.  The caller is required
 /// to allocate enough space for the token, which is guaranteed to be at least