| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/qml/jsruntime/qv4arraybuffer.cpp |
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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 | #include "qv4arraybuffer_p.h" | - | ||||||||||||
| 40 | #include "qv4typedarray_p.h" | - | ||||||||||||
| 41 | #include "qv4dataview_p.h" | - | ||||||||||||
| 42 | #include "qv4string_p.h" | - | ||||||||||||
| 43 | #include "qv4jscall_p.h" | - | ||||||||||||
| 44 | #include "qv4symbol_p.h" | - | ||||||||||||
| 45 | - | |||||||||||||
| 46 | using namespace QV4; | - | ||||||||||||
| 47 | - | |||||||||||||
| 48 | DEFINE_OBJECT_VTABLE(ArrayBufferCtor); | - | ||||||||||||
| 49 | DEFINE_OBJECT_VTABLE(ArrayBuffer); | - | ||||||||||||
| 50 | - | |||||||||||||
| 51 | void Heap::ArrayBufferCtor::init(QV4::ExecutionContext *scope) | - | ||||||||||||
| 52 | { | - | ||||||||||||
| 53 | Heap::FunctionObject::init(scope, QStringLiteral("ArrayBuffer")); executed 98116 times by 153 tests: return qstring_literal_temp;Executed by:
| 98116 | ||||||||||||
| 54 | } executed 98418 times by 153 tests: end of blockExecuted by:
| 98418 | ||||||||||||
| 55 | - | |||||||||||||
| 56 | ReturnedValue ArrayBufferCtor::virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *) | - | ||||||||||||
| 57 | { | - | ||||||||||||
| 58 | ExecutionEngine *v4 = f->engine(); | - | ||||||||||||
| 59 | Scope scope(v4); | - | ||||||||||||
| 60 | - | |||||||||||||
| 61 | ScopedValue l(scope, argc ? argv[0] : Primitive::undefinedValue()); | - | ||||||||||||
| 62 | double dl = l->toInteger(); | - | ||||||||||||
| 63 | if (v4->hasException)
| 8-2308 | ||||||||||||
| 64 | return Encode::undefined(); executed 8 times by 1 test: return Encode::undefined();Executed by:
| 8 | ||||||||||||
| 65 | uint len = (uint)qBound(0., dl, (double)UINT_MAX); | - | ||||||||||||
| 66 | if (len != dl)
| 28-2290 | ||||||||||||
| 67 | return v4->throwRangeError(QLatin1String("ArrayBuffer constructor: invalid length")); executed 28 times by 1 test: return v4->throwRangeError(QLatin1String("ArrayBuffer constructor: invalid length"));Executed by:
| 28 | ||||||||||||
| 68 | - | |||||||||||||
| 69 | Scoped<ArrayBuffer> a(scope, v4->newArrayBuffer(len)); | - | ||||||||||||
| 70 | if (scope.engine->hasException)
| 0-2287 | ||||||||||||
| 71 | return Encode::undefined(); never executed: return Encode::undefined(); | 0 | ||||||||||||
| 72 | - | |||||||||||||
| 73 | return a->asReturnedValue(); executed 2280 times by 1 test: return a->asReturnedValue();Executed by:
| 2280 | ||||||||||||
| 74 | } | - | ||||||||||||
| 75 | - | |||||||||||||
| 76 | - | |||||||||||||
| 77 | ReturnedValue ArrayBufferCtor::virtualCall(const FunctionObject *f, const Value *, const Value *argv, int argc) | - | ||||||||||||
| 78 | { | - | ||||||||||||
| 79 | return virtualCallAsConstructor(f, argv, argc, f); executed 4 times by 1 test: return virtualCallAsConstructor(f, argv, argc, f);Executed by:
| 4 | ||||||||||||
| 80 | } | - | ||||||||||||
| 81 | - | |||||||||||||
| 82 | ReturnedValue ArrayBufferCtor::method_isView(const FunctionObject *, const Value *, const Value *argv, int argc) | - | ||||||||||||
| 83 | { | - | ||||||||||||
| 84 | if (argc < 1)
| 8-232 | ||||||||||||
| 85 | return Encode(false); executed 8 times by 1 test: return Encode(false);Executed by:
| 8 | ||||||||||||
| 86 | - | |||||||||||||
| 87 | if (argv[0].as<TypedArray>() ||
| 108-124 | ||||||||||||
| 88 | argv[0].as<DataView>())
| 12-112 | ||||||||||||
| 89 | return Encode(true); executed 120 times by 1 test: return Encode(true);Executed by:
| 120 | ||||||||||||
| 90 | - | |||||||||||||
| 91 | return Encode(false); executed 112 times by 1 test: return Encode(false);Executed by:
| 112 | ||||||||||||
| 92 | } | - | ||||||||||||
| 93 | - | |||||||||||||
| 94 | - | |||||||||||||
| 95 | void Heap::ArrayBuffer::init(size_t length) | - | ||||||||||||
| 96 | { | - | ||||||||||||
| 97 | Object::init(); | - | ||||||||||||
| 98 | if (length < UINT_MAX)
| 36-21446 | ||||||||||||
| 99 | data = QTypedArrayData<char>::allocate(length + 1); executed 21432 times by 2 tests: data = QTypedArrayData<char>::allocate(length + 1);Executed by:
| 21432 | ||||||||||||
| 100 | if (!data) {
| 36-21444 | ||||||||||||
| 101 | internalClass->engine->throwRangeError(QStringLiteral("ArrayBuffer: out of memory")); executed 36 times by 1 test: return qstring_literal_temp;Executed by:
| 36 | ||||||||||||
| 102 | return; executed 36 times by 1 test: return;Executed by:
| 36 | ||||||||||||
| 103 | } | - | ||||||||||||
| 104 | data->size = int(length); | - | ||||||||||||
| 105 | memset(data->data(), 0, length + 1); | - | ||||||||||||
| 106 | } executed 21443 times by 2 tests: end of blockExecuted by:
| 21443 | ||||||||||||
| 107 | - | |||||||||||||
| 108 | void Heap::ArrayBuffer::init(const QByteArray& array) | - | ||||||||||||
| 109 | { | - | ||||||||||||
| 110 | Object::init(); | - | ||||||||||||
| 111 | data = const_cast<QByteArray&>(array).data_ptr(); | - | ||||||||||||
| 112 | data->ref.ref(); | - | ||||||||||||
| 113 | } executed 6 times by 3 tests: end of blockExecuted by:
| 6 | ||||||||||||
| 114 | - | |||||||||||||
| 115 | void Heap::ArrayBuffer::destroy() | - | ||||||||||||
| 116 | { | - | ||||||||||||
| 117 | if (data && !data->ref.deref())
| 2-21489 | ||||||||||||
| 118 | QTypedArrayData<char>::deallocate(data); executed 21487 times by 3 tests: QTypedArrayData<char>::deallocate(data);Executed by:
| 21487 | ||||||||||||
| 119 | Object::destroy(); | - | ||||||||||||
| 120 | } executed 21526 times by 4 tests: end of blockExecuted by:
| 21526 | ||||||||||||
| 121 | - | |||||||||||||
| 122 | QByteArray ArrayBuffer::asByteArray() const | - | ||||||||||||
| 123 | { | - | ||||||||||||
| 124 | QByteArrayDataPtr ba = { d()->data }; | - | ||||||||||||
| 125 | ba.ptr->ref.ref(); | - | ||||||||||||
| 126 | return QByteArray(ba); executed 6 times by 3 tests: return QByteArray(ba);Executed by:
| 6 | ||||||||||||
| 127 | } | - | ||||||||||||
| 128 | - | |||||||||||||
| 129 | void ArrayBuffer::detach() { | - | ||||||||||||
| 130 | if (!d()->data->ref.isShared())
| 0 | ||||||||||||
| 131 | return; never executed: return; | 0 | ||||||||||||
| 132 | - | |||||||||||||
| 133 | QTypedArrayData<char> *oldData = d()->data; | - | ||||||||||||
| 134 | - | |||||||||||||
| 135 | d()->data = QTypedArrayData<char>::allocate(oldData->size + 1); | - | ||||||||||||
| 136 | if (!d()->data) {
| 0 | ||||||||||||
| 137 | engine()->throwRangeError(QStringLiteral("ArrayBuffer: out of memory")); never executed: return qstring_literal_temp; | 0 | ||||||||||||
| 138 | return; never executed: return; | 0 | ||||||||||||
| 139 | } | - | ||||||||||||
| 140 | - | |||||||||||||
| 141 | memcpy(d()->data->data(), oldData->data(), oldData->size + 1); | - | ||||||||||||
| 142 | - | |||||||||||||
| 143 | if (!oldData->ref.deref())
| 0 | ||||||||||||
| 144 | QTypedArrayData<char>::deallocate(oldData); never executed: QTypedArrayData<char>::deallocate(oldData); | 0 | ||||||||||||
| 145 | } never executed: end of block | 0 | ||||||||||||
| 146 | - | |||||||||||||
| 147 | - | |||||||||||||
| 148 | void ArrayBufferPrototype::init(ExecutionEngine *engine, Object *ctor) | - | ||||||||||||
| 149 | { | - | ||||||||||||
| 150 | Scope scope(engine); | - | ||||||||||||
| 151 | ScopedObject o(scope); | - | ||||||||||||
| 152 | ctor->defineReadonlyConfigurableProperty(engine->id_length(), Primitive::fromInt32(1)); | - | ||||||||||||
| 153 | ctor->defineReadonlyProperty(engine->id_prototype(), (o = this)); | - | ||||||||||||
| 154 | ctor->defineDefaultProperty(QStringLiteral("isView"), ArrayBufferCtor::method_isView, 1); executed 98432 times by 153 tests: return qstring_literal_temp;Executed by:
| 98432 | ||||||||||||
| 155 | ctor->addSymbolSpecies(); | - | ||||||||||||
| 156 | - | |||||||||||||
| 157 | defineDefaultProperty(engine->id_constructor(), (o = ctor)); | - | ||||||||||||
| 158 | defineAccessorProperty(QStringLiteral("byteLength"), method_get_byteLength, nullptr); executed 99005 times by 153 tests: return qstring_literal_temp;Executed by:
| 99005 | ||||||||||||
| 159 | defineDefaultProperty(QStringLiteral("slice"), method_slice, 2); executed 98764 times by 153 tests: return qstring_literal_temp;Executed by:
| 98764 | ||||||||||||
| 160 | defineDefaultProperty(QStringLiteral("toString"), method_toString, 0); executed 98980 times by 153 tests: return qstring_literal_temp;Executed by:
| 98980 | ||||||||||||
| 161 | ScopedString name(scope, engine->newString(QStringLiteral("ArrayBuffer"))); executed 98785 times by 153 tests: return qstring_literal_temp;Executed by:
| 98785 | ||||||||||||
| 162 | defineReadonlyConfigurableProperty(scope.engine->symbol_toStringTag(), name); | - | ||||||||||||
| 163 | } executed 99039 times by 153 tests: end of blockExecuted by:
| 99039 | ||||||||||||
| 164 | - | |||||||||||||
| 165 | ReturnedValue ArrayBufferPrototype::method_get_byteLength(const FunctionObject *b, const Value *thisObject, const Value *, int) | - | ||||||||||||
| 166 | { | - | ||||||||||||
| 167 | const ArrayBuffer *a = thisObject->as<ArrayBuffer>(); | - | ||||||||||||
| 168 | if (!a)
| 52-86 | ||||||||||||
| 169 | return b->engine()->throwTypeError(); executed 52 times by 1 test: return b->engine()->throwTypeError();Executed by:
| 52 | ||||||||||||
| 170 | - | |||||||||||||
| 171 | return Encode(a->d()->data->size); executed 86 times by 2 tests: return Encode(a->d()->data->size);Executed by:
| 86 | ||||||||||||
| 172 | } | - | ||||||||||||
| 173 | - | |||||||||||||
| 174 | ReturnedValue ArrayBufferPrototype::method_slice(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) | - | ||||||||||||
| 175 | { | - | ||||||||||||
| 176 | ExecutionEngine *v4 = b->engine(); | - | ||||||||||||
| 177 | const ArrayBuffer *a = thisObject->as<ArrayBuffer>(); | - | ||||||||||||
| 178 | if (!a)
| 32-121 | ||||||||||||
| 179 | return v4->throwTypeError(); executed 32 times by 1 test: return v4->throwTypeError();Executed by:
| 32 | ||||||||||||
| 180 | - | |||||||||||||
| 181 | double start = argc > 0 ? argv[0].toInteger() : 0;
| 45-77 | ||||||||||||
| 182 | double end = (argc < 2 || argv[1].isUndefined()) ?
| 4-79 | ||||||||||||
| 183 | a->d()->data->size : argv[1].toInteger(); | - | ||||||||||||
| 184 | if (v4->hasException)
| 0-124 | ||||||||||||
| 185 | return QV4::Encode::undefined(); never executed: return QV4::Encode::undefined(); | 0 | ||||||||||||
| 186 | - | |||||||||||||
| 187 | double first = (start < 0) ? qMax(a->d()->data->size + start, 0.) : qMin(start, (double)a->d()->data->size);
| 4-121 | ||||||||||||
| 188 | double final = (end < 0) ? qMax(a->d()->data->size + end, 0.) : qMin(end, (double)a->d()->data->size);
| 4-123 | ||||||||||||
| 189 | - | |||||||||||||
| 190 | Scope scope(v4); | - | ||||||||||||
| 191 | ScopedFunctionObject constructor(scope, a->get(scope.engine->id_constructor())); | - | ||||||||||||
| 192 | if (!constructor)
| 52-74 | ||||||||||||
| 193 | return v4->throwTypeError(); executed 73 times by 1 test: return v4->throwTypeError();Executed by:
| 73 | ||||||||||||
| 194 | - | |||||||||||||
| 195 | double newLen = qMax(final - first, 0.); | - | ||||||||||||
| 196 | ScopedValue argument(scope, QV4::Encode(newLen)); | - | ||||||||||||
| 197 | QV4::Scoped<ArrayBuffer> newBuffer(scope, constructor->callAsConstructor(argument, 1)); | - | ||||||||||||
| 198 | if (!newBuffer || newBuffer->d()->data->size < (int)newLen)
| 0-51 | ||||||||||||
| 199 | return v4->throwTypeError(); never executed: return v4->throwTypeError(); | 0 | ||||||||||||
| 200 | - | |||||||||||||
| 201 | memcpy(newBuffer->d()->data->data(), a->d()->data->data() + (uint)first, newLen); | - | ||||||||||||
| 202 | return Encode::undefined(); executed 52 times by 1 test: return Encode::undefined();Executed by:
| 52 | ||||||||||||
| 203 | } | - | ||||||||||||
| 204 | - | |||||||||||||
| 205 | ReturnedValue ArrayBufferPrototype::method_toString(const FunctionObject *b, const Value *thisObject, const Value *, int) | - | ||||||||||||
| 206 | { | - | ||||||||||||
| 207 | ExecutionEngine *v4 = b->engine(); | - | ||||||||||||
| 208 | const ArrayBuffer *a = thisObject->as<ArrayBuffer>(); | - | ||||||||||||
| 209 | if (!a)
| 2-12 | ||||||||||||
| 210 | RETURN_UNDEFINED(); executed 12 times by 1 test: return QV4::Encode::undefined();Executed by:
| 12 | ||||||||||||
| 211 | return Encode(v4->newString(QString::fromUtf8(a->asByteArray()))); executed 2 times by 1 test: return Encode(v4->newString(QString::fromUtf8(a->asByteArray())));Executed by:
| 2 | ||||||||||||
| 212 | } | - | ||||||||||||
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