Finish defining Action API for message expressions.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42059 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Sema/SemaExpr.cpp b/Sema/SemaExpr.cpp
index da1981f..d7136a3 100644
--- a/Sema/SemaExpr.cpp
+++ b/Sema/SemaExpr.cpp
@@ -1855,3 +1855,29 @@
   QualType t = Context.getPointerType(Context.CharTy);
   return new ObjCEncodeExpr(t, EncodedType, AtLoc, RParenLoc);
 }
+
+// This actions handles keyword message to classes.
+Sema::ExprResult Sema::ActOnKeywordMessage(IdentifierInfo *receivingClassName, 
+    ObjcKeywordMessage *Keywords, unsigned NumKeywords)
+{
+  return 0;
+}
+
+// This action handles keyword messages to instances.
+Sema::ExprResult Sema::ActOnKeywordMessage(ExprTy *receiver, 
+    ObjcKeywordMessage *Keywords, unsigned NumKeywords) {
+  return 0;
+}
+    
+// This actions handles keyword message to classes.
+Sema::ExprResult Sema::ActOnUnaryMessage(IdentifierInfo *receivingClassName, 
+                                         IdentifierInfo *selName) {
+  return 0;
+}
+
+// This action handles keyword messages to instances.
+Sema::ExprResult Sema::ActOnUnaryMessage(ExprTy *receiver, 
+                                         IdentifierInfo *selName) {
+  return 0;
+}
+