Give the default CorrectionCandidateCallback::ValidateCandidate some

smarts so that it doesn't approve of keywords and/or type names when it
knows (based on its flags) that those kinds of corrections are not
wanted.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178668 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 3 deletions

diff --git a/include/clang/Sema/TypoCorrection.h b/include/clang/Sema/TypoCorrection.h
index 0b897b55cc..cdd71c8fa9 100644
--- a/include/clang/Sema/TypoCorrection.h
+++ b/include/clang/Sema/TypoCorrection.h
@@ -228,9 +228,11 @@ class CorrectionCandidateCallback {
   /// candidate is viable, without ranking potentially viable candidates.
   /// Only ValidateCandidate or RankCandidate need to be overriden by a
   /// callback wishing to check the viability of correction candidates.
-  virtual bool ValidateCandidate(const TypoCorrection &candidate) {
-    return true;
-  }
+  /// The default predicate always returns true if the candidate is not a type
+  /// name or keyword, true for types if WantTypeSpecifiers is true, and true
+  /// for keywords if WantTypeSpecifiers, WantExpressionKeywords,
+  /// WantCXXNamedCasts, WantRemainingKeywords, or WantObjCSuper is true.
+  virtual bool ValidateCandidate(const TypoCorrection &candidate);
 
   /// \brief Method used by Sema::CorrectTypo to assign an "edit distance" rank
   /// to a candidate (where a lower value represents a better candidate), or