New AST node to access "implicit" setter/getter using property dor syntax.
Issuing diagnostics when assigning to read-only properties.
This is work in progress.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59874 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index e6a7b41..6a15ea6 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -463,6 +463,8 @@
return LV_Valid;
case ObjCPropertyRefExprClass: // FIXME: check if read-only property.
return LV_Valid;
+ case ObjCKVCRefExprClass: // FIXME: check if read-only property.
+ return LV_Valid;
case PredefinedExprClass:
return LV_Valid;
case VAArgExprClass:
@@ -545,6 +547,16 @@
if (!BDR->isByRef() && isa<VarDecl>(BDR->getDecl()))
return MLV_NotBlockQualified;
}
+ // Assigning to a readonly property?
+ if (getStmtClass() == ObjCPropertyRefExprClass) {
+ const ObjCPropertyRefExpr* PropExpr = cast<ObjCPropertyRefExpr>(this);
+ if (ObjCPropertyDecl *PDecl = PropExpr->getProperty()) {
+ ObjCPropertyDecl::PropertyAttributeKind Pkind =
+ PDecl->getPropertyAttributes();
+ if (Pkind == ObjCPropertyDecl::OBJC_PR_readonly)
+ return MLV_ReadonlyProperty;
+ }
+ }
return MLV_Valid;
}
@@ -1353,6 +1365,10 @@
Stmt::child_iterator ObjCPropertyRefExpr::child_begin() { return &Base; }
Stmt::child_iterator ObjCPropertyRefExpr::child_end() { return &Base+1; }
+// ObjCKVCRefExpr
+Stmt::child_iterator ObjCKVCRefExpr::child_begin() { return &Base; }
+Stmt::child_iterator ObjCKVCRefExpr::child_end() { return &Base+1; }
+
// ObjCSuperExpr
Stmt::child_iterator ObjCSuperExpr::child_begin() { return child_iterator(); }
Stmt::child_iterator ObjCSuperExpr::child_end() { return child_iterator(); }