ES6: Add support for super in object literals

src/arm64/full-codegen-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 1354 matching lines @@
 
   __ Mov(x10, Operand(isolate()->factory()->undefined_value()));
   __ cmp(x0, x10);
   Label done;
   __ b(&done, ne);
   __ CallRuntime(Runtime::kThrowNonMethodError, 0);
   __ bind(&done);
 }
 
 
+void FullCodeGenerator::EmitSetHomeObjectIfNeeded(Expression* initializer,
+                                                  int offset) {
+  if (NeedsHomeObject(initializer)) {
+    __ Peek(StoreDescriptor::ReceiverRegister(), 0);
+    __ Mov(StoreDescriptor::NameRegister(),
+           Operand(isolate()->factory()->home_object_symbol()));
+    __ Peek(StoreDescriptor::ValueRegister(), offset * kPointerSize);
+    CallStoreIC();
+  }
+}
+
+
 void FullCodeGenerator::EmitLoadGlobalCheckExtensions(VariableProxy* proxy,
                                                       TypeofState typeof_state,
                                                       Label* slow) {
   Register current = cp;
   Register next = x10;
   Register temp = x11;
 
   Scope* s = scope();
   while (s != NULL) {
     if (s->num_heap_slots() > 0) {
@@ skipping 329 matching lines @@
         // It is safe to use [[Put]] here because the boilerplate already
         // contains computed properties with an uninitialized value.
         if (key->value()->IsInternalizedString()) {
           if (property->emit_store()) {
             VisitForAccumulatorValue(value);
             DCHECK(StoreDescriptor::ValueRegister().is(x0));
             __ Mov(StoreDescriptor::NameRegister(), Operand(key->value()));
             __ Peek(StoreDescriptor::ReceiverRegister(), 0);
             CallStoreIC(key->LiteralFeedbackId());
             PrepareForBailoutForId(key->id(), NO_REGISTERS);
+
+            if (value != NULL && value->IsFunctionLiteral() &&

[Dmitry Lomov (no reviews), 2014/11/11 19:27:47]

Use NeedsHomeObject

[arv (Not doing code reviews), 2014/11/11 19:51:29]

Done.

+                value->AsFunctionLiteral()->needs_super_binding()) {
+              __ Mov(StoreDescriptor::ReceiverRegister(), x0);
+              __ Mov(StoreDescriptor::NameRegister(),
+                     Operand(isolate()->factory()->home_object_symbol()));
+              __ Peek(StoreDescriptor::ValueRegister(), 0);
+              CallStoreIC();
+            }
           } else {
             VisitForEffect(value);
           }
           break;
         }
         if (property->emit_store()) {
           // Duplicate receiver on stack.
           __ Peek(x0, 0);
           __ Push(x0);
           VisitForStackValue(key);
           VisitForStackValue(value);
+          EmitSetHomeObjectIfNeeded(value, 2);
           __ Mov(x0, Smi::FromInt(SLOPPY));  // Strict mode
           __ Push(x0);
           __ CallRuntime(Runtime::kSetProperty, 4);
         } else {
           VisitForEffect(key);
           VisitForEffect(value);
         }
         break;
       case ObjectLiteral::Property::PROTOTYPE:
         if (property->emit_store()) {
@@ skipping 17 matching lines @@
 
   // Emit code to define accessors, using only a single call to the runtime for
   // each pair of corresponding getters and setters.
   for (AccessorTable::Iterator it = accessor_table.begin();
        it != accessor_table.end();
        ++it) {
       __ Peek(x10, 0);  // Duplicate receiver.
       __ Push(x10);
       VisitForStackValue(it->first);
       EmitAccessor(it->second->getter);
+      EmitSetHomeObjectIfNeeded(it->second->getter, 2);
       EmitAccessor(it->second->setter);
+      EmitSetHomeObjectIfNeeded(it->second->setter, 3);
       __ Mov(x10, Smi::FromInt(NONE));
       __ Push(x10);
       __ CallRuntime(Runtime::kDefineAccessorPropertyUnchecked, 5);
   }
 
   if (expr->has_function()) {
     DCHECK(result_saved);
     __ Peek(x0, 0);
     __ Push(x0);
     __ CallRuntime(Runtime::kToFastProperties, 1);
@@ skipping 413 matching lines @@
     DCHECK(key != NULL);
 
     if (property->is_static()) {
       __ Peek(scratch, kPointerSize);  // constructor
     } else {
       __ Peek(scratch, 0);  // prototype
     }
     __ Push(scratch);
     VisitForStackValue(key);
     VisitForStackValue(value);
+    EmitSetHomeObjectIfNeeded(value, 2);
 
     switch (property->kind()) {
       case ObjectLiteral::Property::CONSTANT:
       case ObjectLiteral::Property::MATERIALIZED_LITERAL:
       case ObjectLiteral::Property::COMPUTED:
       case ObjectLiteral::Property::PROTOTYPE:
         __ CallRuntime(Runtime::kDefineClassMethod, 3);
         break;
 
       case ObjectLiteral::Property::GETTER:
@@ skipping 3107 matching lines @@
   return previous_;
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64