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63 lines
2.2 KiB
63 lines
2.2 KiB
9 years ago
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// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/builtins/builtins.h"
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#include "src/builtins/builtins-utils.h"
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namespace v8 {
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namespace internal {
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// -----------------------------------------------------------------------------
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// ES6 section 19.3 Boolean Objects
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// ES6 section 19.3.1.1 Boolean ( value ) for the [[Call]] case.
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BUILTIN(BooleanConstructor) {
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HandleScope scope(isolate);
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Handle<Object> value = args.atOrUndefined(isolate, 1);
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return isolate->heap()->ToBoolean(value->BooleanValue());
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}
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// ES6 section 19.3.1.1 Boolean ( value ) for the [[Construct]] case.
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BUILTIN(BooleanConstructor_ConstructStub) {
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HandleScope scope(isolate);
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Handle<Object> value = args.atOrUndefined(isolate, 1);
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Handle<JSFunction> target = args.target<JSFunction>();
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Handle<JSReceiver> new_target = Handle<JSReceiver>::cast(args.new_target());
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DCHECK(*target == target->native_context()->boolean_function());
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Handle<JSObject> result;
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ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
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JSObject::New(target, new_target));
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Handle<JSValue>::cast(result)->set_value(
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isolate->heap()->ToBoolean(value->BooleanValue()));
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return *result;
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}
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// ES6 section 19.3.3.2 Boolean.prototype.toString ( )
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void Builtins::Generate_BooleanPrototypeToString(CodeStubAssembler* assembler) {
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typedef compiler::Node Node;
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Node* receiver = assembler->Parameter(0);
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Node* context = assembler->Parameter(3);
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Node* value = assembler->ToThisValue(
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context, receiver, PrimitiveType::kBoolean, "Boolean.prototype.toString");
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Node* result = assembler->LoadObjectField(value, Oddball::kToStringOffset);
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assembler->Return(result);
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}
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// ES6 section 19.3.3.3 Boolean.prototype.valueOf ( )
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void Builtins::Generate_BooleanPrototypeValueOf(CodeStubAssembler* assembler) {
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typedef compiler::Node Node;
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Node* receiver = assembler->Parameter(0);
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Node* context = assembler->Parameter(3);
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Node* result = assembler->ToThisValue(
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context, receiver, PrimitiveType::kBoolean, "Boolean.prototype.valueOf");
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assembler->Return(result);
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}
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} // namespace internal
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} // namespace v8
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