1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #include "qv4booleanobject_p.h" |
5 | |
6 | using namespace QV4; |
7 | |
8 | DEFINE_OBJECT_VTABLE(BooleanCtor); |
9 | DEFINE_OBJECT_VTABLE(BooleanObject); |
10 | |
11 | void Heap::BooleanCtor::init(QV4::ExecutionContext *scope) |
12 | { |
13 | Heap::FunctionObject::init(scope, QStringLiteral("Boolean" )); |
14 | } |
15 | |
16 | ReturnedValue BooleanCtor::virtualCallAsConstructor(const FunctionObject *that, const Value *argv, int argc, const Value *newTarget) |
17 | { |
18 | auto v4 = that->engine(); |
19 | bool n = argc ? argv[0].toBoolean() : false; |
20 | |
21 | ReturnedValue o = Encode(v4->newBooleanObject(b: n)); |
22 | if (!newTarget) |
23 | return o; |
24 | Scope scope(v4); |
25 | ScopedObject obj(scope, o); |
26 | obj->setProtoFromNewTarget(newTarget); |
27 | return obj->asReturnedValue(); |
28 | } |
29 | |
30 | ReturnedValue BooleanCtor::virtualCall(const FunctionObject *, const Value *, const Value *argv, int argc) |
31 | { |
32 | bool value = argc ? argv[0].toBoolean() : 0; |
33 | return Encode(value); |
34 | } |
35 | |
36 | void BooleanPrototype::init(ExecutionEngine *engine, Object *ctor) |
37 | { |
38 | Scope scope(engine); |
39 | ScopedObject o(scope); |
40 | ctor->defineReadonlyConfigurableProperty(name: engine->id_length(), value: Value::fromInt32(i: 1)); |
41 | ctor->defineReadonlyProperty(name: engine->id_prototype(), value: (o = this)); |
42 | defineDefaultProperty(QStringLiteral("constructor" ), value: (o = ctor)); |
43 | defineDefaultProperty(name: engine->id_toString(), code: method_toString); |
44 | defineDefaultProperty(name: engine->id_valueOf(), code: method_valueOf); |
45 | } |
46 | |
47 | static bool value(const Value *thisObject, bool *exception) |
48 | { |
49 | *exception = false; |
50 | if (thisObject->isBoolean()) { |
51 | return thisObject->booleanValue(); |
52 | } else { |
53 | const BooleanObject *that = thisObject->as<BooleanObject>(); |
54 | if (that) |
55 | return that->value(); |
56 | } |
57 | *exception = true; |
58 | return false; |
59 | } |
60 | |
61 | ReturnedValue BooleanPrototype::method_toString(const FunctionObject *b, const Value *thisObject, const Value *, int) |
62 | { |
63 | bool exception; |
64 | bool result = ::value(thisObject, exception: &exception); |
65 | ExecutionEngine *v4 = b->engine(); |
66 | if (exception) |
67 | return v4->throwTypeError(); |
68 | |
69 | return (result ? v4->id_true() : v4->id_false())->asReturnedValue(); |
70 | } |
71 | |
72 | ReturnedValue BooleanPrototype::method_valueOf(const FunctionObject *b, const Value *thisObject, const Value *, int) |
73 | { |
74 | bool exception; |
75 | bool result = ::value(thisObject, exception: &exception); |
76 | if (exception) { |
77 | ExecutionEngine *v4 = b->engine(); |
78 | return v4->throwTypeError(); |
79 | } |
80 | |
81 | return Encode(result); |
82 | } |
83 | |