From: Fariborz Jahanian <fjahanian@apple.com>
Date: Mon, 12 Nov 2007 20:13:27 +0000 (+0000)
Subject: 'super' nailed.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0523aaf9759cd9524956f0930558737458849743;p=clang

'super' nailed.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44025 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/Parse/ParseObjc.cpp b/Parse/ParseObjc.cpp
index c3dae856ea..19d32bd486 100644
--- a/Parse/ParseObjc.cpp
+++ b/Parse/ParseObjc.cpp
@@ -1237,7 +1237,8 @@ Parser::ExprResult Parser::ParseObjCMessageExpression() {
   ExprTy *ReceiverExpr = 0;
   // Parse receiver
   if (Tok.is(tok::identifier) &&
-      Actions.isTypeName(*Tok.getIdentifierInfo(), CurScope)) {
+      (Actions.isTypeName(*Tok.getIdentifierInfo(), CurScope)
+       || !strcmp(Tok.getIdentifierInfo()->getName(), "super"))) {
     ReceiverName = Tok.getIdentifierInfo();
     ConsumeToken();
   } else {
@@ -1308,7 +1309,8 @@ Parser::ExprResult Parser::ParseObjCMessageExpression() {
   
   // We've just parsed a keyword message.
   if (ReceiverName) 
-    return Actions.ActOnClassMessage(ReceiverName, Sel, LBracloc, RBracloc,
+    return Actions.ActOnClassMessage(CurScope,
+                                     ReceiverName, Sel, LBracloc, RBracloc,
                                      &KeyExprs[0]);
   return Actions.ActOnInstanceMessage(ReceiverExpr, Sel, LBracloc, RBracloc,
                                       &KeyExprs[0]);
diff --git a/Sema/Sema.h b/Sema/Sema.h
index 4c66e10301..a443c94e3b 100644
--- a/Sema/Sema.h
+++ b/Sema/Sema.h
@@ -565,6 +565,7 @@ public:
   // ArgExprs is optional - if it is present, the number of expressions
   // is obtained from Sel.getNumArgs().
   virtual ExprResult ActOnClassMessage(
+    Scope *S,
     IdentifierInfo *receivingClassName, Selector Sel,
     SourceLocation lbrac, SourceLocation rbrac, ExprTy **ArgExprs);
 
diff --git a/Sema/SemaExpr.cpp b/Sema/SemaExpr.cpp
index 124eb14dc6..643f586fd5 100644
--- a/Sema/SemaExpr.cpp
+++ b/Sema/SemaExpr.cpp
@@ -2060,13 +2060,34 @@ bool Sema::CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs,
 // ArgExprs is optional - if it is present, the number of expressions
 // is obtained from Sel.getNumArgs().
 Sema::ExprResult Sema::ActOnClassMessage(
+  Scope *S,
   IdentifierInfo *receiverName, Selector Sel,
   SourceLocation lbrac, SourceLocation rbrac, ExprTy **Args)
 {
   assert(receiverName && "missing receiver class name");
 
   Expr **ArgExprs = reinterpret_cast<Expr **>(Args);
-  ObjcInterfaceDecl* ClassDecl = getObjCInterfaceDecl(receiverName);
+  ObjcInterfaceDecl* ClassDecl = 0;
+  if (!strcmp(receiverName->getName(), "super") && CurMethodDecl) {
+    ClassDecl = CurMethodDecl->getClassInterface()->getSuperClass();
+    if (CurMethodDecl->isInstance()) {
+      IdentifierInfo &II = Context.Idents.get("self");
+      ExprResult ReceiverExpr = ActOnIdentifierExpr(S, lbrac, II, 
+                                                    false);
+      QualType superTy = Context.getObjcInterfaceType(ClassDecl);
+      superTy = Context.getPointerType(superTy);
+      ReceiverExpr = ActOnCastExpr(SourceLocation(), superTy.getAsOpaquePtr(),
+                                   SourceLocation(), ReceiverExpr.Val);
+      
+      return ActOnInstanceMessage(ReceiverExpr.Val, Sel, lbrac, rbrac,
+                                  Args);
+    }
+    // class method
+    if (ClassDecl)
+      receiverName = ClassDecl->getIdentifier();
+  }
+  else
+    ClassDecl = getObjCInterfaceDecl(receiverName);
   ObjcMethodDecl *Method = ClassDecl->lookupClassMethod(Sel);
   QualType returnType;
   
diff --git a/include/clang/Parse/Action.h b/include/clang/Parse/Action.h
index 7f2ca690d1..bfbcfb93dc 100644
--- a/include/clang/Parse/Action.h
+++ b/include/clang/Parse/Action.h
@@ -591,6 +591,7 @@ public:
   // ArgExprs is optional - if it is present, the number of expressions
   // is obtained from Sel.getNumArgs().
   virtual ExprResult ActOnClassMessage(
+    Scope *S,
     IdentifierInfo *receivingClassName, 
     Selector Sel,
     SourceLocation lbrac,