/**************************************************************************** ** ** 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 static constexpr TypedArrayOperations create(const char *name); template 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 *arrayData() { return d()->buffer->data; } Heap::TypedArray::Type arrayType() const { return static_cast(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); }; 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