ES6: Add support for super in object literals

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index 1710b609dc68740a60cb1984cdbb9223415e99f5..e1c88463e943f503b84a4df8f91e68c43de9f277 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -1383,6 +1383,19 @@ void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) {
 }
 
 
+void FullCodeGenerator::EmitSetHomeObject(Expression* expr, int offset) {
+  if (expr != NULL && expr->IsFunctionLiteral() &&

[Dmitry Lomov (no reviews), 2014/11/11 11:50:38]

Style: extract this condition into bool NeedsHomeObject(Expression*
initializer).

Rename expr -> initializer.
Also rename EmitSetHomeObject -> EmitSetHomeObjectIfNeeded.

Same in other ports.

[arv (Not doing code reviews), 2014/11/11 17:19:07]

Done.

+      expr->AsFunctionLiteral()->needs_super_binding()) {
+    __ ldr(StoreDescriptor::ReceiverRegister(), MemOperand(sp));
+    __ mov(StoreDescriptor::NameRegister(),
+           Operand(isolate()->factory()->home_object_symbol()));
+    __ ldr(StoreDescriptor::ValueRegister(),
+           MemOperand(sp, offset * kPointerSize));
+    CallStoreIC();
+  }
+}
+
+
 void FullCodeGenerator::EmitLoadGlobalCheckExtensions(VariableProxy* proxy,
                                                       TypeofState typeof_state,
                                                       Label* slow) {
@@ -1739,6 +1752,15 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
             __ ldr(StoreDescriptor::ReceiverRegister(), MemOperand(sp));
             CallStoreIC(key->LiteralFeedbackId());
             PrepareForBailoutForId(key->id(), NO_REGISTERS);
+
+            if (value != NULL && value->IsFunctionLiteral() &&

[Dmitry Lomov (no reviews), 2014/11/11 11:50:38]

Use NeedsHomeObject (as per previous comment) here

[arv (Not doing code reviews), 2014/11/11 17:19:07]

Done.

+                value->AsFunctionLiteral()->needs_super_binding()) {
+              __ Move(StoreDescriptor::ReceiverRegister(), r0);
+              __ mov(StoreDescriptor::NameRegister(),
+                     Operand(isolate()->factory()->home_object_symbol()));
+              __ ldr(StoreDescriptor::ValueRegister(), MemOperand(sp));
+              CallStoreIC();
+            }
           } else {
             VisitForEffect(value);
           }
@@ -1750,6 +1772,7 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
         VisitForStackValue(key);
         VisitForStackValue(value);
         if (property->emit_store()) {
+          EmitSetHomeObject(value, 2);
           __ mov(r0, Operand(Smi::FromInt(SLOPPY)));  // PropertyAttributes
           __ push(r0);
           __ CallRuntime(Runtime::kSetProperty, 4);
@@ -1787,7 +1810,9 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
     __ push(r0);
     VisitForStackValue(it->first);
     EmitAccessor(it->second->getter);
+    EmitSetHomeObject(it->second->getter, 2);
     EmitAccessor(it->second->setter);
+    EmitSetHomeObject(it->second->setter, 3);
     __ mov(r0, Operand(Smi::FromInt(NONE)));
     __ push(r0);
     __ CallRuntime(Runtime::kDefineAccessorPropertyUnchecked, 5);
@@ -2534,6 +2559,7 @@ void FullCodeGenerator::EmitClassDefineProperties(ClassLiteral* lit) {
     __ push(scratch);
     VisitForStackValue(key);
     VisitForStackValue(value);
+    EmitSetHomeObject(value, 2);
 
     switch (property->kind()) {
       case ObjectLiteral::Property::CONSTANT: