1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2016 The Qt Company Ltd. |
4 | ** Contact: https://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the QtQml module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** Commercial License Usage |
10 | ** Licensees holding valid commercial Qt licenses may use this file in |
11 | ** accordance with the commercial license agreement provided with the |
12 | ** Software or, alternatively, in accordance with the terms contained in |
13 | ** a written agreement between you and The Qt Company. For licensing terms |
14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
15 | ** information use the contact form at https://www.qt.io/contact-us. |
16 | ** |
17 | ** GNU Lesser General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
19 | ** General Public License version 3 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 3 requirements |
23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
24 | ** |
25 | ** GNU General Public License Usage |
26 | ** Alternatively, this file may be used under the terms of the GNU |
27 | ** General Public License version 2.0 or (at your option) the GNU General |
28 | ** Public license version 3 or any later version approved by the KDE Free |
29 | ** Qt Foundation. The licenses are as published by the Free Software |
30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
31 | ** included in the packaging of this file. Please review the following |
32 | ** information to ensure the GNU General Public License requirements will |
33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
35 | ** |
36 | ** $QT_END_LICENSE$ |
37 | ** |
38 | ****************************************************************************/ |
39 | |
40 | #include "qv4booleanobject_p.h" |
41 | #include "qv4string_p.h" |
42 | |
43 | using namespace QV4; |
44 | |
45 | DEFINE_OBJECT_VTABLE(BooleanCtor); |
46 | DEFINE_OBJECT_VTABLE(BooleanObject); |
47 | |
48 | void Heap::BooleanCtor::init(QV4::ExecutionContext *scope) |
49 | { |
50 | Heap::FunctionObject::init(scope, QStringLiteral("Boolean" )); |
51 | } |
52 | |
53 | ReturnedValue BooleanCtor::virtualCallAsConstructor(const FunctionObject *that, const Value *argv, int argc, const Value *newTarget) |
54 | { |
55 | auto v4 = that->engine(); |
56 | bool n = argc ? argv[0].toBoolean() : false; |
57 | |
58 | ReturnedValue o = Encode(v4->newBooleanObject(b: n)); |
59 | if (!newTarget) |
60 | return o; |
61 | Scope scope(v4); |
62 | ScopedObject obj(scope, o); |
63 | obj->setProtoFromNewTarget(newTarget); |
64 | return obj->asReturnedValue(); |
65 | } |
66 | |
67 | ReturnedValue BooleanCtor::virtualCall(const FunctionObject *, const Value *, const Value *argv, int argc) |
68 | { |
69 | bool value = argc ? argv[0].toBoolean() : 0; |
70 | return Encode(value); |
71 | } |
72 | |
73 | void BooleanPrototype::init(ExecutionEngine *engine, Object *ctor) |
74 | { |
75 | Scope scope(engine); |
76 | ScopedObject o(scope); |
77 | ctor->defineReadonlyConfigurableProperty(name: engine->id_length(), value: Value::fromInt32(i: 1)); |
78 | ctor->defineReadonlyProperty(name: engine->id_prototype(), value: (o = this)); |
79 | defineDefaultProperty(QStringLiteral("constructor" ), value: (o = ctor)); |
80 | defineDefaultProperty(name: engine->id_toString(), code: method_toString); |
81 | defineDefaultProperty(name: engine->id_valueOf(), code: method_valueOf); |
82 | } |
83 | |
84 | static bool value(const Value *thisObject, bool *exception) |
85 | { |
86 | *exception = false; |
87 | if (thisObject->isBoolean()) { |
88 | return thisObject->booleanValue(); |
89 | } else { |
90 | const BooleanObject *that = thisObject->as<BooleanObject>(); |
91 | if (that) |
92 | return that->value(); |
93 | } |
94 | *exception = true; |
95 | return false; |
96 | } |
97 | |
98 | ReturnedValue BooleanPrototype::method_toString(const FunctionObject *b, const Value *thisObject, const Value *, int) |
99 | { |
100 | bool exception; |
101 | bool result = ::value(thisObject, exception: &exception); |
102 | ExecutionEngine *v4 = b->engine(); |
103 | if (exception) |
104 | return v4->throwTypeError(); |
105 | |
106 | return (result ? v4->id_true() : v4->id_false())->asReturnedValue(); |
107 | } |
108 | |
109 | ReturnedValue BooleanPrototype::method_valueOf(const FunctionObject *b, const Value *thisObject, const Value *, int) |
110 | { |
111 | bool exception; |
112 | bool result = ::value(thisObject, exception: &exception); |
113 | if (exception) { |
114 | ExecutionEngine *v4 = b->engine(); |
115 | return v4->throwTypeError(); |
116 | } |
117 | |
118 | return Encode(result); |
119 | } |
120 | |