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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 | #ifndef QV4TYPEDARRAY_H | - | ||||||
40 | #define QV4TYPEDARRAY_H | - | ||||||
41 | - | |||||||
42 | // | - | ||||||
43 | // W A R N I N G | - | ||||||
44 | // ------------- | - | ||||||
45 | // | - | ||||||
46 | // This file is not part of the Qt API. It exists purely as an | - | ||||||
47 | // implementation detail. This header file may change from version to | - | ||||||
48 | // version without notice, or even be removed. | - | ||||||
49 | // | - | ||||||
50 | // We mean it. | - | ||||||
51 | // | - | ||||||
52 | - | |||||||
53 | #include "qv4object_p.h" | - | ||||||
54 | #include "qv4functionobject_p.h" | - | ||||||
55 | #include "qv4arraybuffer_p.h" | - | ||||||
56 | - | |||||||
57 | QT_BEGIN_NAMESPACE | - | ||||||
58 | - | |||||||
59 | namespace QV4 { | - | ||||||
60 | - | |||||||
61 | struct ArrayBuffer; | - | ||||||
62 | - | |||||||
63 | typedef ReturnedValue (*TypedArrayRead)(const char *data, int index); | - | ||||||
64 | typedef void (*TypedArrayWrite)(ExecutionEngine *engine, char *data, int index, const Value &value); | - | ||||||
65 | - | |||||||
66 | struct TypedArrayOperations { | - | ||||||
67 | int bytesPerElement; | - | ||||||
68 | const char *name; | - | ||||||
69 | TypedArrayRead read; | - | ||||||
70 | TypedArrayWrite write; | - | ||||||
71 | }; | - | ||||||
72 | - | |||||||
73 | namespace Heap { | - | ||||||
74 | - | |||||||
75 | #define TypedArrayMembers(class, Member) \ | - | ||||||
76 | Member(class, Pointer, ArrayBuffer *, buffer) \ | - | ||||||
77 | Member(class, NoMark, const TypedArrayOperations *, type) \ | - | ||||||
78 | Member(class, NoMark, uint, byteLength) \ | - | ||||||
79 | Member(class, NoMark, uint, byteOffset) \ | - | ||||||
80 | Member(class, NoMark, uint, arrayType) | - | ||||||
81 | - | |||||||
82 | DECLARE_HEAP_OBJECT(TypedArray, Object) { | - | ||||||
83 | DECLARE_MARKOBJECTS(TypedArray); never executed: end of block never executed: o->buffer.heapObject()->mark(stack);
| 0 | ||||||
84 | enum Type { | - | ||||||
85 | Int8Array, | - | ||||||
86 | UInt8Array, | - | ||||||
87 | UInt8ClampedArray, | - | ||||||
88 | Int16Array, | - | ||||||
89 | UInt16Array, | - | ||||||
90 | Int32Array, | - | ||||||
91 | UInt32Array, | - | ||||||
92 | Float32Array, | - | ||||||
93 | Float64Array, | - | ||||||
94 | NTypes | - | ||||||
95 | }; | - | ||||||
96 | - | |||||||
97 | void init(Type t); | - | ||||||
98 | }; | - | ||||||
99 | - | |||||||
100 | struct IntrinsicTypedArrayCtor : FunctionObject { | - | ||||||
101 | }; | - | ||||||
102 | - | |||||||
103 | struct TypedArrayCtor : FunctionObject { | - | ||||||
104 | void init(QV4::ExecutionContext *scope, TypedArray::Type t); | - | ||||||
105 | - | |||||||
106 | TypedArray::Type type; | - | ||||||
107 | }; | - | ||||||
108 | - | |||||||
109 | struct IntrinsicTypedArrayPrototype : Object { | - | ||||||
110 | }; | - | ||||||
111 | - | |||||||
112 | struct TypedArrayPrototype : Object { | - | ||||||
113 | inline void init(TypedArray::Type t); | - | ||||||
114 | TypedArray::Type type; | - | ||||||
115 | }; | - | ||||||
116 | - | |||||||
117 | - | |||||||
118 | } | - | ||||||
119 | - | |||||||
120 | struct Q_QML_PRIVATE_EXPORT TypedArray : Object | - | ||||||
121 | { | - | ||||||
122 | V4_OBJECT2(TypedArray, Object) executed 86738 times by 2 tests: end of block Executed by:
never executed: end of block executed 161276 times by 2 tests: return &static_vtbl; Executed by:
executed 451842 times by 2 tests: return static_cast<QV4::Heap::TypedArray *>(m()); Executed by:
executed 451918 times by 2 tests: return dptr; Executed by:
| 0-451918 | ||||||
123 | - | |||||||
124 | static Heap::TypedArray *create(QV4::ExecutionEngine *e, Heap::TypedArray::Type t); | - | ||||||
125 | - | |||||||
126 | uint byteLength() const { | - | ||||||
127 | return d()->byteLength; never executed: return d()->byteLength; | 0 | ||||||
128 | } | - | ||||||
129 | - | |||||||
130 | uint length() const { | - | ||||||
131 | return d()->byteLength/d()->type->bytesPerElement; executed 12462 times by 1 test: return d()->byteLength/d()->type->bytesPerElement; Executed by:
| 12462 | ||||||
132 | } | - | ||||||
133 | - | |||||||
134 | QTypedArrayData<char> *arrayData() { | - | ||||||
135 | return d()->buffer->data; never executed: return d()->buffer->data; | 0 | ||||||
136 | } | - | ||||||
137 | - | |||||||
138 | Heap::TypedArray::Type arrayType() const { | - | ||||||
139 | return static_cast<Heap::TypedArray::Type>(d()->arrayType); never executed: return static_cast<Heap::TypedArray::Type>(d()->arrayType); | 0 | ||||||
140 | } | - | ||||||
141 | using Object::get; | - | ||||||
142 | - | |||||||
143 | static ReturnedValue virtualGet(const Managed *m, PropertyKey id, const Value *receiver, bool *hasProperty); | - | ||||||
144 | static bool virtualPut(Managed *m, PropertyKey id, const Value &value, Value *receiver); | - | ||||||
145 | }; | - | ||||||
146 | - | |||||||
147 | struct IntrinsicTypedArrayCtor: FunctionObject | - | ||||||
148 | { | - | ||||||
149 | V4_OBJECT2(IntrinsicTypedArrayCtor, FunctionObject) never executed: end of block never executed: end of block executed 296354 times by 153 tests: return &static_vtbl; Executed by:
executed 197751 times by 153 tests: return static_cast<QV4::Heap::IntrinsicTypedArrayCtor *>(m()); Executed by:
executed 98963 times by 153 tests: return dptr; Executed by:
| 0-296354 | ||||||
150 | - | |||||||
151 | static ReturnedValue virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *); | - | ||||||
152 | static ReturnedValue virtualCall(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc); | - | ||||||
153 | }; | - | ||||||
154 | - | |||||||
155 | struct TypedArrayCtor: FunctionObject | - | ||||||
156 | { | - | ||||||
157 | V4_OBJECT2(TypedArrayCtor, FunctionObject) never executed: end of block never executed: end of block executed 2668017 times by 153 tests: return &static_vtbl; Executed by:
executed 3610027 times by 153 tests: return static_cast<QV4::Heap::TypedArrayCtor *>(m()); Executed by:
executed 2722927 times by 153 tests: return dptr; Executed by:
| 0-3610027 | ||||||
158 | - | |||||||
159 | static ReturnedValue virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *); | - | ||||||
160 | static ReturnedValue virtualCall(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc); | - | ||||||
161 | }; | - | ||||||
162 | - | |||||||
163 | struct IntrinsicTypedArrayPrototype : Object | - | ||||||
164 | { | - | ||||||
165 | V4_OBJECT2(IntrinsicTypedArrayPrototype, Object) never executed: end of block never executed: end of block executed 296351 times by 153 tests: return &static_vtbl; Executed by:
executed 197444 times by 153 tests: return static_cast<QV4::Heap::IntrinsicTypedArrayPrototype *>(m()); Executed by:
executed 98906 times by 153 tests: return dptr; Executed by:
| 0-296351 | ||||||
166 | V4_PROTOTYPE(objectPrototype) executed 98966 times by 153 tests: return e->objectPrototype(); Executed by:
| 98966 | ||||||
167 | - | |||||||
168 | void init(ExecutionEngine *engine, IntrinsicTypedArrayCtor *ctor); | - | ||||||
169 | - | |||||||
170 | static ReturnedValue method_get_buffer(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); | - | ||||||
171 | static ReturnedValue method_get_byteLength(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); | - | ||||||
172 | static ReturnedValue method_get_byteOffset(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); | - | ||||||
173 | static ReturnedValue method_get_length(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); | - | ||||||
174 | - | |||||||
175 | static ReturnedValue method_entries(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); | - | ||||||
176 | static ReturnedValue method_keys(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); | - | ||||||
177 | static ReturnedValue method_values(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); | - | ||||||
178 | static ReturnedValue method_set(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); | - | ||||||
179 | static ReturnedValue method_subarray(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); | - | ||||||
180 | - | |||||||
181 | static ReturnedValue method_get_toStringTag(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); | - | ||||||
182 | - | |||||||
183 | }; | - | ||||||
184 | - | |||||||
185 | struct TypedArrayPrototype : Object | - | ||||||
186 | { | - | ||||||
187 | V4_OBJECT2(TypedArrayPrototype, Object) executed 888953 times by 153 tests: end of block Executed by:
never executed: end of block executed 3555449 times by 153 tests: return &static_vtbl; Executed by:
executed 1777005 times by 153 tests: return static_cast<QV4::Heap::TypedArrayPrototype *>(m()); Executed by:
executed 888748 times by 153 tests: return dptr; Executed by:
| 0-3555449 | ||||||
188 | V4_PROTOTYPE(objectPrototype) executed 889923 times by 153 tests: return e->objectPrototype(); Executed by:
| 889923 | ||||||
189 | - | |||||||
190 | void init(ExecutionEngine *engine, TypedArrayCtor *ctor); | - | ||||||
191 | }; | - | ||||||
192 | - | |||||||
193 | inline void | - | ||||||
194 | Heap::TypedArrayPrototype::init(TypedArray::Type t) | - | ||||||
195 | { | - | ||||||
196 | Object::init(); | - | ||||||
197 | type = t; | - | ||||||
198 | } executed 888846 times by 153 tests: end of block Executed by:
| 888846 | ||||||
199 | - | |||||||
200 | } // namespace QV4 | - | ||||||
201 | - | |||||||
202 | QT_END_NAMESPACE | - | ||||||
203 | - | |||||||
204 | #endif | - | ||||||
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