js-generator.h

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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 StructBodyDescriptor;
 
#include "torque-generated/src/objects/js-generator-tq.inc"
 
class JSGeneratorObject
    : public TorqueGeneratedJSGeneratorObject<JSGeneratorObject, JSObject> {
 public:
  enum ResumeMode { kNext, kReturn, kThrow, kRethrow };
 
  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;
  int code_offset() 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)
  DECL_PRINTER(JSAsyncFunctionObject)
 
  TQ_OBJECT_CONSTRUCTORS(JSAsyncFunctionObject)
};
 
class JSAsyncGeneratorObject
    : public TorqueGeneratedJSAsyncGeneratorObject<JSAsyncGeneratorObject,
                                                   JSGeneratorObject> {
 public:
  // Dispatched behavior.
  DECL_VERIFIER(JSAsyncGeneratorObject)
  DECL_PRINTER(JSAsyncGeneratorObject)
 
  TQ_OBJECT_CONSTRUCTORS(JSAsyncGeneratorObject)
};
 
class AsyncGeneratorRequest
    : public TorqueGeneratedAsyncGeneratorRequest<AsyncGeneratorRequest,
                                                  Struct> {
 public:
  DECL_PRINTER(AsyncGeneratorRequest)
  DECL_VERIFIER(AsyncGeneratorRequest)
 
  using BodyDescriptor = StructBodyDescriptor;
 
  TQ_OBJECT_CONSTRUCTORS(AsyncGeneratorRequest)
};
 
}  // namespace internal
}  // namespace v8
 
#include "src/objects/object-macros-undef.h"
 
#endif  // V8_OBJECTS_JS_GENERATOR_H_