1 // Copyright 2016 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "src/builtins/builtins-utils.h"
6 #include "src/builtins/builtins.h"
7 #include "src/code-stub-assembler.h"
8 #include "src/counters.h"
9 #include "src/objects-inl.h"
10
11 namespace v8 {
12 namespace internal {
13
14 // -----------------------------------------------------------------------------
15 // ES6 section 19.3 Boolean Objects
16
17 // ES6 section 19.3.1.1 Boolean ( value ) for the [[Call]] case.
BUILTIN(BooleanConstructor)18 BUILTIN(BooleanConstructor) {
19 HandleScope scope(isolate);
20 Handle<Object> value = args.atOrUndefined(isolate, 1);
21 return isolate->heap()->ToBoolean(value->BooleanValue());
22 }
23
24 // ES6 section 19.3.1.1 Boolean ( value ) for the [[Construct]] case.
BUILTIN(BooleanConstructor_ConstructStub)25 BUILTIN(BooleanConstructor_ConstructStub) {
26 HandleScope scope(isolate);
27 Handle<Object> value = args.atOrUndefined(isolate, 1);
28 Handle<JSFunction> target = args.target();
29 Handle<JSReceiver> new_target = Handle<JSReceiver>::cast(args.new_target());
30 DCHECK(*target == target->native_context()->boolean_function());
31 Handle<JSObject> result;
32 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
33 JSObject::New(target, new_target));
34 Handle<JSValue>::cast(result)->set_value(
35 isolate->heap()->ToBoolean(value->BooleanValue()));
36 return *result;
37 }
38
39 // ES6 section 19.3.3.2 Boolean.prototype.toString ( )
Generate_BooleanPrototypeToString(compiler::CodeAssemblerState * state)40 void Builtins::Generate_BooleanPrototypeToString(
41 compiler::CodeAssemblerState* state) {
42 typedef compiler::Node Node;
43 CodeStubAssembler assembler(state);
44
45 Node* receiver = assembler.Parameter(0);
46 Node* context = assembler.Parameter(3);
47
48 Node* value = assembler.ToThisValue(
49 context, receiver, PrimitiveType::kBoolean, "Boolean.prototype.toString");
50 Node* result = assembler.LoadObjectField(value, Oddball::kToStringOffset);
51 assembler.Return(result);
52 }
53
54 // ES6 section 19.3.3.3 Boolean.prototype.valueOf ( )
Generate_BooleanPrototypeValueOf(compiler::CodeAssemblerState * state)55 void Builtins::Generate_BooleanPrototypeValueOf(
56 compiler::CodeAssemblerState* state) {
57 typedef compiler::Node Node;
58 CodeStubAssembler assembler(state);
59
60 Node* receiver = assembler.Parameter(0);
61 Node* context = assembler.Parameter(3);
62
63 Node* result = assembler.ToThisValue(
64 context, receiver, PrimitiveType::kBoolean, "Boolean.prototype.valueOf");
65 assembler.Return(result);
66 }
67
68 } // namespace internal
69 } // namespace v8
70