Add support for computed property names 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-stubs.h"
 #include "src/codegen.h"
@@ skipping 1663 matching lines @@
   // If result_saved is true the result is on top of the stack.  If
   // result_saved is false the result is in x0.
   bool result_saved = false;
 
   // Mark all computed expressions that are bound to a key that
   // is shadowed by a later occurrence of the same key. For the
   // marked expressions, no store code is emitted.
   expr->CalculateEmitStore(zone());
 
   AccessorTable accessor_table(zone());
-  for (int i = 0; i < expr->properties()->length(); i++) {
-    ObjectLiteral::Property* property = expr->properties()->at(i);
+  int property_index = 0;
+  for (; property_index < expr->properties()->length(); property_index++) {
+    ObjectLiteral::Property* property = expr->properties()->at(property_index);
     if (property->IsCompileTimeValue()) continue;
+    if (property->kind() == ObjectLiteral::Property::COMPUTED_NAME) break;
 
-    Literal* key = property->key();
+    Literal* key = property->key()->AsLiteral();
     Expression* value = property->value();
     if (!result_saved) {
       __ Push(x0);  // Save result on stack
       result_saved = true;
     }
     switch (property->kind()) {
       case ObjectLiteral::Property::CONSTANT:
+      case ObjectLiteral::Property::COMPUTED_NAME:
         UNREACHABLE();
       case ObjectLiteral::Property::MATERIALIZED_LITERAL:
-        ASSERT(!CompileTimeValue::IsCompileTimeValue(property->value()));
+        ASSERT(!CompileTimeValue::IsCompileTimeValue(value));
         // Fall through.
       case ObjectLiteral::Property::COMPUTED:
         if (key->value()->IsInternalizedString()) {
           if (property->emit_store()) {
             VisitForAccumulatorValue(value);
             __ Mov(x2, Operand(key->value()));
             __ Peek(x1, 0);
             CallStoreIC(key->LiteralFeedbackId());
             PrepareForBailoutForId(key->id(), NO_REGISTERS);
           } else {
             VisitForEffect(value);
           }
           break;
         }
         if (property->emit_store()) {
           // Duplicate receiver on stack.
           __ Peek(x0, 0);
           __ Push(x0);
-          VisitForStackValue(key);
+          VisitForStackValue(property->key());
           VisitForStackValue(value);
           __ Mov(x0, Smi::FromInt(NONE));  // PropertyAttributes
           __ Push(x0);
           __ CallRuntime(Runtime::kSetProperty, 4);
         } else {
           VisitForEffect(key);
           VisitForEffect(value);
         }
         break;
       case ObjectLiteral::Property::PROTOTYPE:
@@ skipping 24 matching lines @@
       __ Peek(x10, 0);  // Duplicate receiver.
       __ Push(x10);
       VisitForStackValue(it->first);
       EmitAccessor(it->second->getter);
       EmitAccessor(it->second->setter);
       __ Mov(x10, Smi::FromInt(NONE));
       __ Push(x10);
       __ CallRuntime(Runtime::kDefineOrRedefineAccessorProperty, 5);
   }
 
+  for (; property_index < expr->properties()->length(); property_index++) {
+    ObjectLiteral::Property* property = expr->properties()->at(property_index);
+
+    Expression* key = property->key();
+    Expression* value = property->value();
+    if (!result_saved) {
+      __ Push(x0);  // Save result on stack
+      result_saved = true;
+    }
+
+    switch (property->kind()) {
+      case ObjectLiteral::Property::CONSTANT:
+      case ObjectLiteral::Property::COMPUTED_NAME:
+      case ObjectLiteral::Property::MATERIALIZED_LITERAL:
+      case ObjectLiteral::Property::COMPUTED:
+        // Duplicate receiver on stack.
+        __ Peek(x0, 0);
+        __ Push(x0);
+        VisitForStackValue(key);
+        VisitForStackValue(value);
+        if (property->emit_store()) {
+          __ CallRuntime(Runtime::kSetOwnProperty, 3);
+        } else {
+          __ Drop(3);
+        }
+        break;
+      case ObjectLiteral::Property::PROTOTYPE:
+        // Duplicate receiver on stack.
+        __ Peek(x0, 0);
+        __ Push(x0);
+        VisitForStackValue(value);
+        if (property->emit_store()) {
+          __ CallRuntime(Runtime::kSetPrototype, 2);
+        } else {
+          __ Drop(2);
+        }
+        break;
+      // TODO(wingo): Allow computed names for accessor properties.  Currently
+      // disallowed by the parser.
+      case ObjectLiteral::Property::GETTER: {
+        ObjectLiteral::Accessors *accessors =
+            accessor_table.lookup(key->AsLiteral())->second;
+        accessors->getter = value;
+
+        // Duplicate receiver on stack.
+        __ Peek(x0, 0);
+        __ Push(x0);
+        VisitForStackValue(key);
+        EmitAccessor(accessors->getter);
+        EmitAccessor(accessors->setter);
+        __ Mov(x10, Smi::FromInt(NONE));
+        __ Push(x10);
+        __ CallRuntime(Runtime::kDefineOrRedefineAccessorProperty, 5);
+        break;
+      }
+      case ObjectLiteral::Property::SETTER: {
+        ObjectLiteral::Accessors *accessors =
+            accessor_table.lookup(key->AsLiteral())->second;
+        accessors->setter = value;
+
+        // Duplicate receiver on stack.
+        __ Peek(x0, 0);
+        __ Push(x0);
+        VisitForStackValue(key);
+        EmitAccessor(accessors->getter);
+        EmitAccessor(accessors->setter);
+        __ Mov(x10, Smi::FromInt(NONE));
+        __ Push(x10);
+        __ CallRuntime(Runtime::kDefineOrRedefineAccessorProperty, 5);
+        break;
+      }
+    }
+  }
+
   if (expr->has_function()) {
     ASSERT(result_saved);
     __ Peek(x0, 0);
     __ Push(x0);
     __ CallRuntime(Runtime::kToFastProperties, 1);
   }
 
   if (result_saved) {
     context()->PlugTOS();
   } else {
@@ skipping 3121 matching lines @@
   return previous_;
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64