Fix my earlier commit to work with escaped newlines and leave breadcrumbs

in case we want to make a world where we can check intermediate instantiations
for this kind of breadcrumb.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127221 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 2 deletions

diff --git a/include/clang/Lex/Preprocessor.h b/include/clang/Lex/Preprocessor.h
index 0b01710abf..42af489d90 100644
--- a/include/clang/Lex/Preprocessor.h
+++ b/include/clang/Lex/Preprocessor.h
@@ -644,10 +644,18 @@ public:
     return Diags->Report(Tok.getLocation(), DiagID);
   }
 
-  /// getSpelling() - Return the 'spelling' of the token at the given location.
+  /// getSpelling() - Return the 'spelling' of the token at the given
+  /// location; does not go up to the spelling location or down to the
+  /// instantiation location.
   ///
+  /// \param buffer A buffer which will be used only if the token requires
+  ///   "cleaning", e.g. if it contains trigraphs or escaped newlines
   /// \param invalid If non-null, will be set \c true if an error occurs.
-  llvm::StringRef getSpelling(SourceLocation loc, bool *invalid = 0) const;
+  llvm::StringRef getSpelling(SourceLocation loc,
+                              llvm::SmallVectorImpl<char> &buffer,
+                              bool *invalid = 0) const {
+    return Lexer::getSpelling(loc, buffer, SourceMgr, Features, invalid);
+  }
 
   /// 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