/usr/include/js/jswrapper.h is in libmozjs185-dev 1.8.5-1.0.0-0ubuntu8.
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* 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) 2010
* 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 jswrapper_h___
#define jswrapper_h___
#include "jsapi.h"
#include "jsproxy.h"
JS_BEGIN_EXTERN_C
/* No-op wrapper handler base class. */
class JS_FRIEND_API(JSWrapper) : public js::JSProxyHandler {
uintN mFlags;
public:
uintN flags() const { return mFlags; }
explicit JSWrapper(uintN flags);
typedef enum { PermitObjectAccess, PermitPropertyAccess, DenyAccess } Permission;
virtual ~JSWrapper();
/* ES5 Harmony fundamental wrapper traps. */
virtual bool getPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id, bool set,
js::PropertyDescriptor *desc);
virtual bool getOwnPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id, bool set,
js::PropertyDescriptor *desc);
virtual bool defineProperty(JSContext *cx, JSObject *wrapper, jsid id,
js::PropertyDescriptor *desc);
virtual bool getOwnPropertyNames(JSContext *cx, JSObject *wrapper, js::AutoIdVector &props);
virtual bool delete_(JSContext *cx, JSObject *wrapper, jsid id, bool *bp);
virtual bool enumerate(JSContext *cx, JSObject *wrapper, js::AutoIdVector &props);
virtual bool fix(JSContext *cx, JSObject *wrapper, js::Value *vp);
/* ES5 Harmony derived wrapper traps. */
virtual bool has(JSContext *cx, JSObject *wrapper, jsid id, bool *bp);
virtual bool hasOwn(JSContext *cx, JSObject *wrapper, jsid id, bool *bp);
virtual bool get(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, js::Value *vp);
virtual bool set(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, bool strict,
js::Value *vp);
virtual bool keys(JSContext *cx, JSObject *wrapper, js::AutoIdVector &props);
virtual bool iterate(JSContext *cx, JSObject *wrapper, uintN flags, js::Value *vp);
/* Spidermonkey extensions. */
virtual bool call(JSContext *cx, JSObject *wrapper, uintN argc, js::Value *vp);
virtual bool construct(JSContext *cx, JSObject *wrapper, uintN argc, js::Value *argv,
js::Value *rval);
virtual bool hasInstance(JSContext *cx, JSObject *wrapper, const js::Value *vp, bool *bp);
virtual JSType typeOf(JSContext *cx, JSObject *proxy);
virtual JSString *obj_toString(JSContext *cx, JSObject *wrapper);
virtual JSString *fun_toString(JSContext *cx, JSObject *wrapper, uintN indent);
virtual void trace(JSTracer *trc, JSObject *wrapper);
/* Policy enforcement traps. */
enum Action { GET, SET, CALL };
virtual bool enter(JSContext *cx, JSObject *wrapper, jsid id, Action act, bool *bp);
virtual void leave(JSContext *cx, JSObject *wrapper);
static JSWrapper singleton;
static JSObject *New(JSContext *cx, JSObject *obj, JSObject *proto, JSObject *parent,
JSWrapper *handler);
static inline JSObject *wrappedObject(const JSObject *wrapper) {
return wrapper->getProxyPrivate().toObjectOrNull();
}
static inline JSWrapper *wrapperHandler(const JSObject *wrapper) {
return static_cast<JSWrapper *>(wrapper->getProxyHandler());
}
enum {
CROSS_COMPARTMENT = 1 << 0,
LAST_USED_FLAG = CROSS_COMPARTMENT
};
static void *getWrapperFamily();
};
/* Base class for all cross compartment wrapper handlers. */
class JS_FRIEND_API(JSCrossCompartmentWrapper) : public JSWrapper {
public:
JSCrossCompartmentWrapper(uintN flags);
virtual ~JSCrossCompartmentWrapper();
/* ES5 Harmony fundamental wrapper traps. */
virtual bool getPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id, bool set,
js::PropertyDescriptor *desc);
virtual bool getOwnPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id, bool set,
js::PropertyDescriptor *desc);
virtual bool defineProperty(JSContext *cx, JSObject *wrapper, jsid id,
js::PropertyDescriptor *desc);
virtual bool getOwnPropertyNames(JSContext *cx, JSObject *wrapper, js::AutoIdVector &props);
virtual bool delete_(JSContext *cx, JSObject *wrapper, jsid id, bool *bp);
virtual bool enumerate(JSContext *cx, JSObject *wrapper, js::AutoIdVector &props);
/* ES5 Harmony derived wrapper traps. */
virtual bool has(JSContext *cx, JSObject *wrapper, jsid id, bool *bp);
virtual bool hasOwn(JSContext *cx, JSObject *wrapper, jsid id, bool *bp);
virtual bool get(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, js::Value *vp);
virtual bool set(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, bool strict,
js::Value *vp);
virtual bool keys(JSContext *cx, JSObject *wrapper, js::AutoIdVector &props);
virtual bool iterate(JSContext *cx, JSObject *wrapper, uintN flags, js::Value *vp);
/* Spidermonkey extensions. */
virtual bool call(JSContext *cx, JSObject *wrapper, uintN argc, js::Value *vp);
virtual bool construct(JSContext *cx, JSObject *wrapper,
uintN argc, js::Value *argv, js::Value *rval);
virtual bool hasInstance(JSContext *cx, JSObject *wrapper, const js::Value *vp, bool *bp);
virtual JSString *obj_toString(JSContext *cx, JSObject *wrapper);
virtual JSString *fun_toString(JSContext *cx, JSObject *wrapper, uintN indent);
static JSCrossCompartmentWrapper singleton;
};
namespace js {
class AutoCompartment
{
public:
JSContext * const context;
JSCompartment * const origin;
JSObject * const target;
JSCompartment * const destination;
private:
LazilyConstructed<DummyFrameGuard> frame;
JSFrameRegs regs;
AutoStringRooter input;
bool entered;
public:
AutoCompartment(JSContext *cx, JSObject *target);
~AutoCompartment();
bool enter();
void leave();
private:
// Prohibit copying.
AutoCompartment(const AutoCompartment &);
AutoCompartment & operator=(const AutoCompartment &);
};
extern JSObject *
TransparentObjectWrapper(JSContext *cx, JSObject *obj, JSObject *wrappedProto, JSObject *parent,
uintN flags);
}
JS_END_EXTERN_C
#endif
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