Classes: Add basic support for properties

src/x64/full-codegen-x64.cc

Index: src/x64/full-codegen-x64.cc
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
index 4229f445b39b0fd283bb0a51264ca739a3d56cc8..9d2e33da0915b60c63e2010660762d4292be9eca 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -2420,6 +2420,67 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
 }
 
 
+void FullCodeGenerator::EmitClassDefineProperties(ClassLiteral* lit) {
+  // ctor is in rax.
+  DCHECK(lit != NULL);
+  __ Push(rax);
+
+  Register scratch = rcx;

[Dmitry Lomov (no reviews), 2014/10/27 21:37:14]

Nit: Why rcx here, but ebx in ia32? 

[arv (Not doing code reviews), 2014/10/27 22:20:53]

Because I don't know enough about the different registers on the different
platforms. I'll change it.

[arv (Not doing code reviews), 2014/10/28 09:42:00]

Done.

[Dmitry Lomov (no reviews), 2014/10/28 10:34:08]

Acknowledged.

+  __ movp(scratch, FieldOperand(rax, JSFunction::kPrototypeOrInitialMapOffset));

[Dmitry Lomov (no reviews), 2014/10/27 21:37:14]

Access check comment.

[arv (Not doing code reviews), 2014/10/28 09:42:00]

Done.

[Dmitry Lomov (no reviews), 2014/10/28 10:34:08]

Acknowledged.

+  __ Push(scratch);
+
+  for (int i = 0; i < lit->properties()->length(); i++) {
+    ObjectLiteral::Property* property = lit->properties()->at(i);
+    Literal* key = property->key()->AsLiteral();
+    Expression* value = property->value();
+    DCHECK(key != NULL);
+
+    if (property->is_static()) {
+      __ Push(Operand(rsp, kPointerSize));  // constructor
+    } else {
+      __ Push(Operand(rsp, 0));  // prototype
+    }
+    VisitForStackValue(key);
+
+    switch (property->kind()) {
+      case ObjectLiteral::Property::CONSTANT:
+      case ObjectLiteral::Property::MATERIALIZED_LITERAL:
+      case ObjectLiteral::Property::COMPUTED:
+      case ObjectLiteral::Property::PROTOTYPE:
+        VisitForStackValue(value);
+        __ Push(Smi::FromInt(NONE));
+        __ CallRuntime(Runtime::kDefineDataPropertyUnchecked, 4);
+        break;
+
+      case ObjectLiteral::Property::GETTER:
+        VisitForStackValue(value);
+        __ Push(isolate()->factory()->null_value());
+        __ Push(Smi::FromInt(NONE));
+        __ CallRuntime(Runtime::kDefineAccessorPropertyUnchecked, 5);
+        break;
+
+      case ObjectLiteral::Property::SETTER:
+        __ Push(isolate()->factory()->null_value());
+        VisitForStackValue(value);
+        __ Push(Smi::FromInt(NONE));
+        __ CallRuntime(Runtime::kDefineAccessorPropertyUnchecked, 5);
+        break;
+
+      default:
+        UNREACHABLE();
+    }
+  }
+
+  // prototype
+  __ CallRuntime(Runtime::kToFastProperties, 1);
+
+  // constructor
+  __ CallRuntime(Runtime::kToFastProperties, 1);
+
+  context()->Plug(rax);

[Dmitry Lomov (no reviews), 2014/10/27 21:37:14]

Caller plugs context

[arv (Not doing code reviews), 2014/10/28 09:42:00]

Done.

[Dmitry Lomov (no reviews), 2014/10/28 10:34:08]

Acknowledged.

+}
+
+
 void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr,
                                      Token::Value op,
                                      OverwriteMode mode) {