[builtins] Move builtins into own files

src/builtins/builtins-boolean.cc

+// Copyright 2016 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/builtins/builtins.h"
+#include "src/builtins/builtins-utils.h"
+
+namespace v8 {
+namespace internal {
+
+// -----------------------------------------------------------------------------
+// ES6 section 19.3 Boolean Objects
+
+// ES6 section 19.3.1.1 Boolean ( value ) for the [[Call]] case.
+BUILTIN(BooleanConstructor) {
+  HandleScope scope(isolate);
+  Handle<Object> value = args.atOrUndefined(isolate, 1);
+  return isolate->heap()->ToBoolean(value->BooleanValue());
+}
+
+// ES6 section 19.3.1.1 Boolean ( value ) for the [[Construct]] case.
+BUILTIN(BooleanConstructor_ConstructStub) {
+  HandleScope scope(isolate);
+  Handle<Object> value = args.atOrUndefined(isolate, 1);
+  Handle<JSFunction> target = args.target<JSFunction>();
+  Handle<JSReceiver> new_target = Handle<JSReceiver>::cast(args.new_target());
+  DCHECK(*target == target->native_context()->boolean_function());
+  Handle<JSObject> result;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
+                                     JSObject::New(target, new_target));
+  Handle<JSValue>::cast(result)->set_value(
+      isolate->heap()->ToBoolean(value->BooleanValue()));
+  return *result;
+}
+
+// ES6 section 19.3.3.2 Boolean.prototype.toString ( )
+void Builtins::Generate_BooleanPrototypeToString(CodeStubAssembler* assembler) {
+  typedef compiler::Node Node;
+
+  Node* receiver = assembler->Parameter(0);
+  Node* context = assembler->Parameter(3);
+
+  Node* value = assembler->ToThisValue(
+      context, receiver, PrimitiveType::kBoolean, "Boolean.prototype.toString");
+  Node* result = assembler->LoadObjectField(value, Oddball::kToStringOffset);
+  assembler->Return(result);
+}
+
+// ES6 section 19.3.3.3 Boolean.prototype.valueOf ( )
+void Builtins::Generate_BooleanPrototypeValueOf(CodeStubAssembler* assembler) {
+  typedef compiler::Node Node;
+
+  Node* receiver = assembler->Parameter(0);
+  Node* context = assembler->Parameter(3);
+
+  Node* result = assembler->ToThisValue(
+      context, receiver, PrimitiveType::kBoolean, "Boolean.prototype.valueOf");
+  assembler->Return(result);
+}
+
+}  // namespace internal
+}  // namespace v8