This patch is about merging ObjC2's properties declared in class
protocols into class's property list and performing semantics
on them for while doing so.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50587 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclObjC.cpp b/lib/AST/DeclObjC.cpp
index ef4a6e1..89f6d2c 100644
--- a/lib/AST/DeclObjC.cpp
+++ b/lib/AST/DeclObjC.cpp
@@ -242,6 +242,33 @@
memcpy(PropertyDecl, Properties, NumProperties*sizeof(ObjCPropertyDecl*));
}
+/// mergeProperties - Adds properties to the end of list of current properties
+/// for this class.
+
+void ObjCInterfaceDecl::mergeProperties(ObjCPropertyDecl **Properties,
+ unsigned NumNewProperties) {
+ if (NumNewProperties == 0) return;
+
+ if (PropertyDecl) {
+ ObjCPropertyDecl **newPropertyDecl =
+ new ObjCPropertyDecl*[NumNewProperties + NumPropertyDecl];
+ ObjCPropertyDecl **buf = newPropertyDecl;
+ // put back original properties in buffer.
+ memcpy(buf, PropertyDecl, NumPropertyDecl*sizeof(ObjCPropertyDecl*));
+ // Add new properties to this buffer.
+ memcpy(buf+NumPropertyDecl, Properties,
+ NumNewProperties*sizeof(ObjCPropertyDecl*));
+ free(PropertyDecl);
+ PropertyDecl = newPropertyDecl;
+ NumPropertyDecl += NumNewProperties;
+ }
+ else {
+ PropertyDecl = new ObjCPropertyDecl*[NumNewProperties];
+ memcpy(PropertyDecl, Properties, NumNewProperties*sizeof(ObjCPropertyDecl*));
+ NumPropertyDecl = NumNewProperties;
+ }
+}
+
/// addProperties - Insert property declaration AST nodes into
/// ObjCProtocolDecl's PropertyDecl field.
///