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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QV4GENERATOROBJECT_P_H
#define QV4GENERATOROBJECT_P_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 "qv4functionobject_p.h"
#include "qv4stackframe_p.h"
QT_BEGIN_NAMESPACE
namespace QV4 {
enum class GeneratorState {
Undefined,
SuspendedStart,
SuspendedYield,
Executing,
Completed
};
namespace Heap {
struct GeneratorFunctionCtor : FunctionObject {
void init(ExecutionEngine *engine);
};
struct GeneratorFunction : ArrowFunction {
void init(QV4::ExecutionContext *scope, Function *function, QV4::String *name = nullptr) {
ArrowFunction::init(scope, function, name);
}
};
struct MemberGeneratorFunction : MemberFunction {
};
struct GeneratorPrototype : FunctionObject {
void init();
};
#define GeneratorObjectMembers(class, Member) \
Member(class, Pointer, ExecutionContext *, context) \
Member(class, NoMark, GeneratorState, state) \
Member(class, NoMark, JSTypesStackFrame, cppFrame) \
Member(class, Pointer, ArrayObject *, values) \
Member(class, Pointer, ArrayObject *, jsFrame)
DECLARE_HEAP_OBJECT(GeneratorObject, Object) {
DECLARE_MARKOBJECTS(GeneratorObject)
};
}
struct GeneratorFunctionCtor : FunctionCtor
{
V4_OBJECT2(GeneratorFunctionCtor, FunctionCtor)
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 GeneratorFunction : ArrowFunction
{
V4_OBJECT2(GeneratorFunction, ArrowFunction)
V4_INTERNALCLASS(GeneratorFunction)
static inline constexpr quint8 IsTailCallable = false;
static Heap::FunctionObject *create(ExecutionContext *scope, Function *function);
static ReturnedValue virtualCall(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc);
};
struct MemberGeneratorFunction : MemberFunction
{
V4_OBJECT2(MemberGeneratorFunction, MemberFunction)
V4_INTERNALCLASS(MemberGeneratorFunction)
static inline constexpr quint8 IsTailCallable = false;
static Heap::FunctionObject *create(ExecutionContext *scope, Function *function, Object *homeObject, String *name);
static ReturnedValue virtualCall(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc);
};
struct GeneratorPrototype : Object
{
void init(ExecutionEngine *engine, Object *ctor);
static ReturnedValue method_next(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
static ReturnedValue method_return(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
static ReturnedValue method_throw(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
};
struct GeneratorObject : Object {
V4_OBJECT2(GeneratorObject, Object)
Q_MANAGED_TYPE(GeneratorObject)
V4_INTERNALCLASS(GeneratorObject)
V4_PROTOTYPE(generatorPrototype)
ReturnedValue resume(ExecutionEngine *engine, const Value &arg, std::optional<Value>) const;
};
}
QT_END_NAMESPACE
#endif // QV4GENERATORFUNCTION_P_H
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