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// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_OBJECTS_JS_GENERATOR_H_
#define V8_OBJECTS_JS_GENERATOR_H_
#include "src/objects/js-objects.h"
#include "src/objects/struct.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace v8 {
namespace internal {
// Forward declarations.
class JSPromise;
class JSGeneratorObject
: public TorqueGeneratedJSGeneratorObject<JSGeneratorObject, JSObject> {
public:
// [resume_mode]: The most recent resume mode.
enum ResumeMode { kNext, kReturn, kThrow };
DECL_INT_ACCESSORS(resume_mode)
// [continuation]
//
// A positive value indicates a suspended generator. The special
// kGeneratorExecuting and kGeneratorClosed values indicate that a generator
// cannot be resumed.
inline int continuation() const;
inline void set_continuation(int continuation);
inline bool is_closed() const;
inline bool is_executing() const;
inline bool is_suspended() const;
// For suspended generators: the source position at which the generator
// is suspended.
int source_position() const;
// Dispatched behavior.
DECL_PRINTER(JSGeneratorObject)
// Magic sentinel values for the continuation.
static const int kGeneratorExecuting = -2;
static const int kGeneratorClosed = -1;
TQ_OBJECT_CONSTRUCTORS(JSGeneratorObject)
};
class JSAsyncFunctionObject
: public TorqueGeneratedJSAsyncFunctionObject<JSAsyncFunctionObject,
JSGeneratorObject> {
public:
// Dispatched behavior.
DECL_VERIFIER(JSAsyncFunctionObject)
TQ_OBJECT_CONSTRUCTORS(JSAsyncFunctionObject)
};
class JSAsyncGeneratorObject
: public TorqueGeneratedJSAsyncGeneratorObject<JSAsyncGeneratorObject,
JSGeneratorObject> {
public:
// Dispatched behavior.
DECL_VERIFIER(JSAsyncGeneratorObject)
// [is_awaiting]
// Whether or not the generator is currently awaiting.
DECL_INT_ACCESSORS(is_awaiting)
TQ_OBJECT_CONSTRUCTORS(JSAsyncGeneratorObject)
};
class AsyncGeneratorRequest
: public TorqueGeneratedAsyncGeneratorRequest<AsyncGeneratorRequest,
Struct> {
public:
DECL_INT_ACCESSORS(resume_mode)
DECL_PRINTER(AsyncGeneratorRequest)
DECL_VERIFIER(AsyncGeneratorRequest)
TQ_OBJECT_CONSTRUCTORS(AsyncGeneratorRequest)
};
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_JS_GENERATOR_H_
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