mozjs_sys 0.67.1

System crate for the Mozilla SpiderMonkey JavaScript engine.
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: set ts=8 sts=2 et sw=2 tw=80:
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef proxy_Proxy_h
#define proxy_Proxy_h

#include "NamespaceImports.h"

#include "js/Class.h"

namespace js {

class GlobalObject;

/*
 * Dispatch point for handlers that executes the appropriate C++ or scripted
 * traps.
 *
 * Important: All proxy methods need either (a) an AutoEnterPolicy in their
 * Proxy::foo entry point below or (b) an override in SecurityWrapper. See bug
 * 945826 comment 0.
 */
class Proxy {
 public:
  /* Standard internal methods. */
  static bool getOwnPropertyDescriptor(
      JSContext* cx, HandleObject proxy, HandleId id,
      MutableHandle<JS::PropertyDescriptor> desc);
  static bool defineProperty(JSContext* cx, HandleObject proxy, HandleId id,
                             Handle<JS::PropertyDescriptor> desc,
                             ObjectOpResult& result);
  static bool ownPropertyKeys(JSContext* cx, HandleObject proxy,
                              AutoIdVector& props);
  static bool delete_(JSContext* cx, HandleObject proxy, HandleId id,
                      ObjectOpResult& result);
  static bool enumerate(JSContext* cx, HandleObject proxy, AutoIdVector& props);
  static bool isExtensible(JSContext* cx, HandleObject proxy, bool* extensible);
  static bool preventExtensions(JSContext* cx, HandleObject proxy,
                                ObjectOpResult& result);
  static bool getPrototype(JSContext* cx, HandleObject proxy,
                           MutableHandleObject protop);
  static bool setPrototype(JSContext* cx, HandleObject proxy,
                           HandleObject proto, ObjectOpResult& result);
  static bool getPrototypeIfOrdinary(JSContext* cx, HandleObject proxy,
                                     bool* isOrdinary,
                                     MutableHandleObject protop);
  static bool setImmutablePrototype(JSContext* cx, HandleObject proxy,
                                    bool* succeeded);
  static bool has(JSContext* cx, HandleObject proxy, HandleId id, bool* bp);
  static bool get(JSContext* cx, HandleObject proxy, HandleValue receiver,
                  HandleId id, MutableHandleValue vp);
  static bool getInternal(JSContext* cx, HandleObject proxy,
                          HandleValue receiver, HandleId id,
                          MutableHandleValue vp);
  static bool set(JSContext* cx, HandleObject proxy, HandleId id, HandleValue v,
                  HandleValue receiver, ObjectOpResult& result);
  static bool setInternal(JSContext* cx, HandleObject proxy, HandleId id,
                          HandleValue v, HandleValue receiver,
                          ObjectOpResult& result);
  static bool call(JSContext* cx, HandleObject proxy, const CallArgs& args);
  static bool construct(JSContext* cx, HandleObject proxy,
                        const CallArgs& args);

  /* SpiderMonkey extensions. */
  static bool hasOwn(JSContext* cx, HandleObject proxy, HandleId id, bool* bp);
  static bool getOwnEnumerablePropertyKeys(JSContext* cx, HandleObject proxy,
                                           AutoIdVector& props);
  static bool nativeCall(JSContext* cx, IsAcceptableThis test, NativeImpl impl,
                         const CallArgs& args);
  static bool hasInstance(JSContext* cx, HandleObject proxy,
                          MutableHandleValue v, bool* bp);
  static bool getBuiltinClass(JSContext* cx, HandleObject proxy, ESClass* cls);
  static bool isArray(JSContext* cx, HandleObject proxy,
                      JS::IsArrayAnswer* answer);
  static const char* className(JSContext* cx, HandleObject proxy);
  static JSString* fun_toString(JSContext* cx, HandleObject proxy,
                                bool isToSource);
  static RegExpShared* regexp_toShared(JSContext* cx, HandleObject proxy);
  static bool boxedValue_unbox(JSContext* cx, HandleObject proxy,
                               MutableHandleValue vp);

  static bool getElements(JSContext* cx, HandleObject obj, uint32_t begin,
                          uint32_t end, ElementAdder* adder);

  static void trace(JSTracer* trc, JSObject* obj);
};

size_t proxy_ObjectMoved(JSObject* obj, JSObject* old);

// These functions are used by JIT code

bool ProxyHas(JSContext* cx, HandleObject proxy, HandleValue idVal,
              MutableHandleValue result);

bool ProxyHasOwn(JSContext* cx, HandleObject proxy, HandleValue idVal,
                 MutableHandleValue result);

bool ProxyGetProperty(JSContext* cx, HandleObject proxy, HandleId id,
                      MutableHandleValue vp);

bool ProxyGetPropertyByValue(JSContext* cx, HandleObject proxy,
                             HandleValue idVal, MutableHandleValue vp);

bool ProxySetProperty(JSContext* cx, HandleObject proxy, HandleId id,
                      HandleValue val, bool strict);

bool ProxySetPropertyByValue(JSContext* cx, HandleObject proxy,
                             HandleValue idVal, HandleValue val, bool strict);

extern JSObject* InitProxyClass(JSContext* cx, Handle<GlobalObject*> global);

} /* namespace js */

#endif /* proxy_Proxy_h */