blob: 7251034de5be44ac89c5b63cc6f1e9c85563e41b [file] [log] [blame]
#ifndef _H_RootedObject
#define _H_RootedObject
/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
#include "Debug.h"
#include "jsapi.h"
class RootedObject {
public:
RootedObject(JSContext* ctx, const char* name = 0) : ctx(ctx), obj(0) {
if (!JS_AddNamedRoot(ctx, &obj, name)) {
Debug::log(Debug::Error) << "RootedObject(" << (name ? name : "")
<< "): JS_AddNamedRoot failed" << Debug::flush;
}
}
~RootedObject() {
// Always returns success, so no need to check.
JS_RemoveRoot(ctx, &obj);
}
JSObject& operator*() const {
assert(obj != 0);
return *obj;
}
JSObject* operator->() const {
assert(obj != 0);
return obj;
}
bool operator==(JSObject* p) const {
return obj == p;
}
bool operator!=(JSObject* p) const {
return obj != p;
}
JSObject* get() const {
return obj;
}
RootedObject& operator=(JSObject* val) {
obj = val;
return *this;
}
private:
JSContext* ctx;
JSObject* obj;
};
inline bool operator==(JSObject* p, const RootedObject& ro) {
return p == ro.get();
}
inline bool operator!=(JSObject* p, const RootedObject& ro) {
return p != ro.get();
}
#endif