Expose InsertText, fixing an oversight.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@43643 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Rewrite/Rewriter.cpp b/Rewrite/Rewriter.cpp
index 8944508..a624fcc 100644
--- a/Rewrite/Rewriter.cpp
+++ b/Rewrite/Rewriter.cpp
@@ -201,6 +201,16 @@
   return I->second;
 }
 
+/// InsertText - Insert the specified string at the specified location in the
+/// original buffer.  This method is only valid on rewritable source
+/// locations.
+void Rewriter::InsertText(SourceLocation Loc,
+                          const char *StrData, unsigned StrLen) {
+  unsigned FileID;
+  unsigned StartOffs = getLocationOffsetAndFileID(Loc, FileID);
+  getEditBuffer(FileID).InsertText(StartOffs, StrData, StrLen);
+}
+
 /// RemoveText - Remove the specified text region.  This method is only valid
 /// on a rewritable source location.
 void Rewriter::RemoveText(SourceLocation Start, unsigned Length) {