mirror of https://github.com/axmolengine/axmol.git
225 lines
9.5 KiB
C
225 lines
9.5 KiB
C
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
||
|
|
* vim: set ts=4 sw=4 et tw=99:
|
||
|
|
*
|
||
|
|
* ***** BEGIN LICENSE BLOCK *****
|
||
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
||
|
|
*
|
||
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
||
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
||
|
|
* the License. You may obtain a copy of the License at
|
||
|
|
* http://www.mozilla.org/MPL/
|
||
|
|
*
|
||
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
||
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
||
|
|
* for the specific language governing rights and limitations under the
|
||
|
|
* License.
|
||
|
|
*
|
||
|
|
* The Original Code is Mozilla SpiderMonkey JavaScript 1.9 code, released
|
||
|
|
* May 28, 2008.
|
||
|
|
*
|
||
|
|
* The Initial Developer of the Original Code is
|
||
|
|
* Mozilla Foundation
|
||
|
|
* Portions created by the Initial Developer are Copyright (C) 2009
|
||
|
|
* the Initial Developer. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Contributor(s):
|
||
|
|
* Andreas Gal <gal@mozilla.com>
|
||
|
|
*
|
||
|
|
* Alternatively, the contents of this file may be used under the terms of
|
||
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
||
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
||
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
||
|
|
* of those above. If you wish to allow use of your version of this file only
|
||
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
||
|
|
* use your version of this file under the terms of the MPL, indicate your
|
||
|
|
* decision by deleting the provisions above and replace them with the notice
|
||
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
||
|
|
* the provisions above, a recipient may use your version of this file under
|
||
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
||
|
|
*
|
||
|
|
* ***** END LICENSE BLOCK ***** */
|
||
|
|
|
||
|
|
#ifndef jsproxy_h___
|
||
|
|
#define jsproxy_h___
|
||
|
|
|
||
|
|
#include "jsapi.h"
|
||
|
|
#include "jsfriendapi.h"
|
||
|
|
|
||
|
|
namespace js {
|
||
|
|
|
||
|
|
/* Base class for all C++ proxy handlers. */
|
||
|
|
class JS_FRIEND_API(ProxyHandler) {
|
||
|
|
void *mFamily;
|
||
|
|
public:
|
||
|
|
explicit ProxyHandler(void *family);
|
||
|
|
virtual ~ProxyHandler();
|
||
|
|
|
||
|
|
/* ES5 Harmony fundamental proxy traps. */
|
||
|
|
virtual bool getPropertyDescriptor(JSContext *cx, JSObject *proxy, jsid id, bool set,
|
||
|
|
PropertyDescriptor *desc) = 0;
|
||
|
|
virtual bool getOwnPropertyDescriptor(JSContext *cx, JSObject *proxy, jsid id, bool set,
|
||
|
|
PropertyDescriptor *desc) = 0;
|
||
|
|
virtual bool defineProperty(JSContext *cx, JSObject *proxy, jsid id,
|
||
|
|
PropertyDescriptor *desc) = 0;
|
||
|
|
virtual bool getOwnPropertyNames(JSContext *cx, JSObject *proxy, AutoIdVector &props) = 0;
|
||
|
|
virtual bool delete_(JSContext *cx, JSObject *proxy, jsid id, bool *bp) = 0;
|
||
|
|
virtual bool enumerate(JSContext *cx, JSObject *proxy, AutoIdVector &props) = 0;
|
||
|
|
virtual bool fix(JSContext *cx, JSObject *proxy, Value *vp) = 0;
|
||
|
|
|
||
|
|
/* ES5 Harmony derived proxy traps. */
|
||
|
|
virtual bool has(JSContext *cx, JSObject *proxy, jsid id, bool *bp);
|
||
|
|
virtual bool hasOwn(JSContext *cx, JSObject *proxy, jsid id, bool *bp);
|
||
|
|
virtual bool get(JSContext *cx, JSObject *proxy, JSObject *receiver, jsid id, Value *vp);
|
||
|
|
virtual bool set(JSContext *cx, JSObject *proxy, JSObject *receiver, jsid id, bool strict,
|
||
|
|
Value *vp);
|
||
|
|
virtual bool keys(JSContext *cx, JSObject *proxy, AutoIdVector &props);
|
||
|
|
virtual bool iterate(JSContext *cx, JSObject *proxy, unsigned flags, Value *vp);
|
||
|
|
|
||
|
|
/* Spidermonkey extensions. */
|
||
|
|
virtual bool call(JSContext *cx, JSObject *proxy, unsigned argc, Value *vp);
|
||
|
|
virtual bool construct(JSContext *cx, JSObject *proxy, unsigned argc, Value *argv, Value *rval);
|
||
|
|
virtual bool nativeCall(JSContext *cx, JSObject *proxy, Class *clasp, Native native, CallArgs args);
|
||
|
|
virtual bool hasInstance(JSContext *cx, JSObject *proxy, const Value *vp, bool *bp);
|
||
|
|
virtual JSType typeOf(JSContext *cx, JSObject *proxy);
|
||
|
|
virtual bool objectClassIs(JSObject *obj, ESClassValue classValue, JSContext *cx);
|
||
|
|
virtual JSString *obj_toString(JSContext *cx, JSObject *proxy);
|
||
|
|
virtual JSString *fun_toString(JSContext *cx, JSObject *proxy, unsigned indent);
|
||
|
|
virtual bool regexp_toShared(JSContext *cx, JSObject *proxy, RegExpGuard *g);
|
||
|
|
virtual bool defaultValue(JSContext *cx, JSObject *obj, JSType hint, Value *vp);
|
||
|
|
virtual bool iteratorNext(JSContext *cx, JSObject *proxy, Value *vp);
|
||
|
|
virtual void finalize(JSContext *cx, JSObject *proxy);
|
||
|
|
virtual void trace(JSTracer *trc, JSObject *proxy);
|
||
|
|
virtual bool getElementIfPresent(JSContext *cx, JSObject *obj, JSObject *receiver,
|
||
|
|
uint32_t index, Value *vp, bool *present);
|
||
|
|
|
||
|
|
virtual bool isOuterWindow() {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void *family() {
|
||
|
|
return mFamily;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Dispatch point for handlers that executes the appropriate C++ or scripted traps. */
|
||
|
|
class Proxy {
|
||
|
|
public:
|
||
|
|
/* ES5 Harmony fundamental proxy traps. */
|
||
|
|
static bool getPropertyDescriptor(JSContext *cx, JSObject *proxy, jsid id, bool set,
|
||
|
|
PropertyDescriptor *desc);
|
||
|
|
static bool getPropertyDescriptor(JSContext *cx, JSObject *proxy, jsid id, bool set, Value *vp);
|
||
|
|
static bool getOwnPropertyDescriptor(JSContext *cx, JSObject *proxy, jsid id, bool set,
|
||
|
|
PropertyDescriptor *desc);
|
||
|
|
static bool getOwnPropertyDescriptor(JSContext *cx, JSObject *proxy, jsid id, bool set,
|
||
|
|
Value *vp);
|
||
|
|
static bool defineProperty(JSContext *cx, JSObject *proxy, jsid id, PropertyDescriptor *desc);
|
||
|
|
static bool defineProperty(JSContext *cx, JSObject *proxy, jsid id, const Value &v);
|
||
|
|
static bool getOwnPropertyNames(JSContext *cx, JSObject *proxy, AutoIdVector &props);
|
||
|
|
static bool delete_(JSContext *cx, JSObject *proxy, jsid id, bool *bp);
|
||
|
|
static bool enumerate(JSContext *cx, JSObject *proxy, AutoIdVector &props);
|
||
|
|
static bool fix(JSContext *cx, JSObject *proxy, Value *vp);
|
||
|
|
|
||
|
|
/* ES5 Harmony derived proxy traps. */
|
||
|
|
static bool has(JSContext *cx, JSObject *proxy, jsid id, bool *bp);
|
||
|
|
static bool hasOwn(JSContext *cx, JSObject *proxy, jsid id, bool *bp);
|
||
|
|
static bool get(JSContext *cx, JSObject *proxy, JSObject *receiver, jsid id, Value *vp);
|
||
|
|
static bool getElementIfPresent(JSContext *cx, JSObject *proxy, JSObject *receiver,
|
||
|
|
uint32_t index, Value *vp, bool *present);
|
||
|
|
static bool set(JSContext *cx, JSObject *proxy, JSObject *receiver, jsid id, bool strict,
|
||
|
|
Value *vp);
|
||
|
|
static bool keys(JSContext *cx, JSObject *proxy, AutoIdVector &props);
|
||
|
|
static bool iterate(JSContext *cx, JSObject *proxy, unsigned flags, Value *vp);
|
||
|
|
|
||
|
|
/* Spidermonkey extensions. */
|
||
|
|
static bool call(JSContext *cx, JSObject *proxy, unsigned argc, Value *vp);
|
||
|
|
static bool construct(JSContext *cx, JSObject *proxy, unsigned argc, Value *argv, Value *rval);
|
||
|
|
static bool nativeCall(JSContext *cx, JSObject *proxy, Class *clasp, Native native, CallArgs args);
|
||
|
|
static bool hasInstance(JSContext *cx, JSObject *proxy, const Value *vp, bool *bp);
|
||
|
|
static JSType typeOf(JSContext *cx, JSObject *proxy);
|
||
|
|
static bool objectClassIs(JSObject *obj, ESClassValue classValue, JSContext *cx);
|
||
|
|
static JSString *obj_toString(JSContext *cx, JSObject *proxy);
|
||
|
|
static JSString *fun_toString(JSContext *cx, JSObject *proxy, unsigned indent);
|
||
|
|
static bool regexp_toShared(JSContext *cx, JSObject *proxy, RegExpGuard *g);
|
||
|
|
static bool defaultValue(JSContext *cx, JSObject *obj, JSType hint, Value *vp);
|
||
|
|
static bool iteratorNext(JSContext *cx, JSObject *proxy, Value *vp);
|
||
|
|
};
|
||
|
|
|
||
|
|
inline bool IsObjectProxyClass(const Class *clasp)
|
||
|
|
{
|
||
|
|
return clasp == &js::ObjectProxyClass || clasp == &js::OuterWindowProxyClass;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline bool IsFunctionProxyClass(const Class *clasp)
|
||
|
|
{
|
||
|
|
return clasp == &js::FunctionProxyClass;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline bool IsObjectProxy(const JSObject *obj)
|
||
|
|
{
|
||
|
|
return IsObjectProxyClass(GetObjectClass(obj));
|
||
|
|
}
|
||
|
|
|
||
|
|
inline bool IsFunctionProxy(const JSObject *obj)
|
||
|
|
{
|
||
|
|
return IsFunctionProxyClass(GetObjectClass(obj));
|
||
|
|
}
|
||
|
|
|
||
|
|
inline bool IsProxy(const JSObject *obj)
|
||
|
|
{
|
||
|
|
Class *clasp = GetObjectClass(obj);
|
||
|
|
return IsObjectProxyClass(clasp) || IsFunctionProxyClass(clasp);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Shared between object and function proxies. */
|
||
|
|
const uint32_t JSSLOT_PROXY_HANDLER = 0;
|
||
|
|
const uint32_t JSSLOT_PROXY_PRIVATE = 1;
|
||
|
|
const uint32_t JSSLOT_PROXY_EXTRA = 2;
|
||
|
|
/* Function proxies only. */
|
||
|
|
const uint32_t JSSLOT_PROXY_CALL = 4;
|
||
|
|
const uint32_t JSSLOT_PROXY_CONSTRUCT = 5;
|
||
|
|
|
||
|
|
inline ProxyHandler *
|
||
|
|
GetProxyHandler(const JSObject *obj)
|
||
|
|
{
|
||
|
|
JS_ASSERT(IsProxy(obj));
|
||
|
|
return (ProxyHandler *) GetReservedSlot(obj, JSSLOT_PROXY_HANDLER).toPrivate();
|
||
|
|
}
|
||
|
|
|
||
|
|
inline const Value &
|
||
|
|
GetProxyPrivate(const JSObject *obj)
|
||
|
|
{
|
||
|
|
JS_ASSERT(IsProxy(obj));
|
||
|
|
return GetReservedSlot(obj, JSSLOT_PROXY_PRIVATE);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline const Value &
|
||
|
|
GetProxyExtra(const JSObject *obj, size_t n)
|
||
|
|
{
|
||
|
|
JS_ASSERT(IsProxy(obj));
|
||
|
|
return GetReservedSlot(obj, JSSLOT_PROXY_EXTRA + n);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void
|
||
|
|
SetProxyExtra(JSObject *obj, size_t n, const Value &extra)
|
||
|
|
{
|
||
|
|
JS_ASSERT(IsProxy(obj));
|
||
|
|
JS_ASSERT(n <= 1);
|
||
|
|
SetReservedSlot(obj, JSSLOT_PROXY_EXTRA + n, extra);
|
||
|
|
}
|
||
|
|
|
||
|
|
JS_FRIEND_API(JSObject *)
|
||
|
|
NewProxyObject(JSContext *cx, ProxyHandler *handler, const Value &priv,
|
||
|
|
JSObject *proto, JSObject *parent,
|
||
|
|
JSObject *call = NULL, JSObject *construct = NULL);
|
||
|
|
|
||
|
|
} /* namespace js */
|
||
|
|
|
||
|
|
JS_BEGIN_EXTERN_C
|
||
|
|
|
||
|
|
extern JS_FRIEND_API(JSObject *)
|
||
|
|
js_InitProxyClass(JSContext *cx, JSObject *obj);
|
||
|
|
|
||
|
|
JS_END_EXTERN_C
|
||
|
|
|
||
|
|
#endif
|