| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtQml module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| #ifndef QV4TYPEDARRAY_H |
| #define QV4TYPEDARRAY_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include "qv4object_p.h" |
| #include "qv4functionobject_p.h" |
| #include "qv4arraybuffer_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QV4 { |
| |
| struct ArrayBuffer; |
| |
| enum TypedArrayType { |
| Int8Array, |
| UInt8Array, |
| Int16Array, |
| UInt16Array, |
| Int32Array, |
| UInt32Array, |
| UInt8ClampedArray, |
| Float32Array, |
| Float64Array, |
| NTypedArrayTypes |
| }; |
| |
| enum AtomicModifyOps { |
| AtomicAdd, |
| AtomicAnd, |
| AtomicExchange, |
| AtomicOr, |
| AtomicSub, |
| AtomicXor, |
| NAtomicModifyOps |
| }; |
| |
| struct TypedArrayOperations { |
| typedef ReturnedValue (*Read)(const char *data); |
| typedef void (*Write)(char *data, Value value); |
| typedef ReturnedValue (*AtomicModify)(char *data, Value value); |
| typedef ReturnedValue (*AtomicCompareExchange)(char *data, Value expected, Value v); |
| typedef ReturnedValue (*AtomicLoad)(char *data); |
| typedef ReturnedValue (*AtomicStore)(char *data, Value value); |
| |
| template<typename T> |
| static constexpr TypedArrayOperations create(const char *name); |
| template<typename T> |
| static constexpr TypedArrayOperations createWithAtomics(const char *name); |
| |
| int bytesPerElement; |
| const char *name; |
| Read read; |
| Write write; |
| AtomicModify atomicModifyOps[AtomicModifyOps::NAtomicModifyOps]; |
| AtomicCompareExchange atomicCompareExchange; |
| AtomicLoad atomicLoad; |
| AtomicStore atomicStore; |
| }; |
| |
| namespace Heap { |
| |
| #define TypedArrayMembers(class, Member) \ |
| Member(class, Pointer, ArrayBuffer *, buffer) \ |
| Member(class, NoMark, const TypedArrayOperations *, type) \ |
| Member(class, NoMark, uint, byteLength) \ |
| Member(class, NoMark, uint, byteOffset) \ |
| Member(class, NoMark, uint, arrayType) |
| |
| DECLARE_HEAP_OBJECT(TypedArray, Object) { |
| DECLARE_MARKOBJECTS(TypedArray); |
| using Type = TypedArrayType; |
| |
| void init(Type t); |
| }; |
| |
| struct IntrinsicTypedArrayCtor : FunctionObject { |
| }; |
| |
| struct TypedArrayCtor : FunctionObject { |
| void init(QV4::ExecutionContext *scope, TypedArray::Type t); |
| |
| TypedArray::Type type; |
| }; |
| |
| struct IntrinsicTypedArrayPrototype : Object { |
| }; |
| |
| struct TypedArrayPrototype : Object { |
| inline void init(TypedArray::Type t); |
| TypedArray::Type type; |
| }; |
| |
| |
| } |
| |
| struct Q_QML_PRIVATE_EXPORT TypedArray : Object |
| { |
| V4_OBJECT2(TypedArray, Object) |
| |
| static Heap::TypedArray *create(QV4::ExecutionEngine *e, Heap::TypedArray::Type t); |
| |
| uint byteLength() const { |
| return d()->byteLength; |
| } |
| |
| uint length() const { |
| return d()->byteLength/d()->type->bytesPerElement; |
| } |
| |
| QTypedArrayData<char> *arrayData() { |
| return d()->buffer->data; |
| } |
| |
| Heap::TypedArray::Type arrayType() const { |
| return static_cast<Heap::TypedArray::Type>(d()->arrayType); |
| } |
| using Object::get; |
| |
| static ReturnedValue virtualGet(const Managed *m, PropertyKey id, const Value *receiver, bool *hasProperty); |
| static bool virtualHasProperty(const Managed *m, PropertyKey id); |
| static PropertyAttributes virtualGetOwnProperty(const Managed *m, PropertyKey id, Property *p); |
| static bool virtualPut(Managed *m, PropertyKey id, const Value &value, Value *receiver); |
| static bool virtualDefineOwnProperty(Managed *m, PropertyKey id, const Property *p, PropertyAttributes attrs); |
| static OwnPropertyKeyIterator *virtualOwnPropertyKeys(const Object *m, Value *target); |
| |
| }; |
| |
| struct IntrinsicTypedArrayCtor: FunctionObject |
| { |
| V4_OBJECT2(IntrinsicTypedArrayCtor, FunctionObject) |
| |
| static constexpr VTable::Call virtualCall = nullptr; |
| |
| static ReturnedValue method_of(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_from(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| }; |
| |
| struct TypedArrayCtor: FunctionObject |
| { |
| V4_OBJECT2(TypedArrayCtor, FunctionObject) |
| |
| static ReturnedValue virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *); |
| static ReturnedValue virtualCall(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc); |
| }; |
| |
| struct IntrinsicTypedArrayPrototype : Object |
| { |
| V4_OBJECT2(IntrinsicTypedArrayPrototype, Object) |
| V4_PROTOTYPE(objectPrototype) |
| |
| void init(ExecutionEngine *engine, IntrinsicTypedArrayCtor *ctor); |
| |
| static ReturnedValue method_get_buffer(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_get_byteLength(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_get_byteOffset(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_get_length(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| |
| static ReturnedValue method_copyWithin(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_entries(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_every(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_fill(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_filter(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_find(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_findIndex(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_forEach(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_includes(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_indexOf(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_join(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_keys(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_lastIndexOf(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_map(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_reduce(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_reduceRight(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_reverse(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_some(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_values(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_set(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_slice(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_subarray(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| static ReturnedValue method_toLocaleString(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| |
| static ReturnedValue method_get_toStringTag(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); |
| |
| }; |
| |
| struct TypedArrayPrototype : Object |
| { |
| V4_OBJECT2(TypedArrayPrototype, Object) |
| V4_PROTOTYPE(objectPrototype) |
| |
| void init(ExecutionEngine *engine, TypedArrayCtor *ctor); |
| }; |
| |
| inline void |
| Heap::TypedArrayPrototype::init(TypedArray::Type t) |
| { |
| Object::init(); |
| type = t; |
| } |
| |
| } // namespace QV4 |
| |
| QT_END_NAMESPACE |
| |
| #endif |