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Diffstat (limited to 'js/src/jswatchpoint.h')
-rw-r--r-- | js/src/jswatchpoint.h | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/js/src/jswatchpoint.h b/js/src/jswatchpoint.h deleted file mode 100644 index bba6c38ce..000000000 --- a/js/src/jswatchpoint.h +++ /dev/null @@ -1,90 +0,0 @@ -/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- - * vim: set ts=8 sts=4 et sw=4 tw=99: - * 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 jswatchpoint_h -#define jswatchpoint_h - -#include "jsalloc.h" - -#include "gc/Barrier.h" -#include "js/HashTable.h" - -namespace js { - -struct WeakMapTracer; - -struct WatchKey { - WatchKey() {} - WatchKey(JSObject* obj, jsid id) : object(obj), id(id) {} - WatchKey(const WatchKey& key) : object(key.object.get()), id(key.id.get()) {} - - // These are traced unconditionally during minor GC, so do not require - // post-barriers. - PreBarrieredObject object; - PreBarrieredId id; - - bool operator!=(const WatchKey& other) const { - return object != other.object || id != other.id; - } -}; - -typedef bool -(* JSWatchPointHandler)(JSContext* cx, JSObject* obj, jsid id, const JS::Value& old, - JS::Value* newp, void* closure); - -struct Watchpoint { - JSWatchPointHandler handler; - PreBarrieredObject closure; /* This is always marked in minor GCs and so doesn't require a postbarrier. */ - bool held; /* true if currently running handler */ - Watchpoint(JSWatchPointHandler handler, JSObject* closure, bool held) - : handler(handler), closure(closure), held(held) {} -}; - -struct WatchKeyHasher -{ - typedef WatchKey Lookup; - static inline js::HashNumber hash(const Lookup& key); - - static bool match(const WatchKey& k, const Lookup& l) { - return MovableCellHasher<PreBarrieredObject>::match(k.object, l.object) && - DefaultHasher<PreBarrieredId>::match(k.id, l.id); - } - - static void rekey(WatchKey& k, const WatchKey& newKey) { - k.object.unsafeSet(newKey.object); - k.id.unsafeSet(newKey.id); - } -}; - -class WatchpointMap { - public: - typedef HashMap<WatchKey, Watchpoint, WatchKeyHasher, SystemAllocPolicy> Map; - - bool init(); - bool watch(JSContext* cx, HandleObject obj, HandleId id, - JSWatchPointHandler handler, HandleObject closure); - void unwatch(JSObject* obj, jsid id, - JSWatchPointHandler* handlerp, JSObject** closurep); - void unwatchObject(JSObject* obj); - void clear(); - - bool triggerWatchpoint(JSContext* cx, HandleObject obj, HandleId id, MutableHandleValue vp); - - bool markIteratively(JSTracer* trc); - void markAll(JSTracer* trc); - static void sweepAll(JSRuntime* rt); - void sweep(); - - static void traceAll(WeakMapTracer* trc); - void trace(WeakMapTracer* trc); - - private: - Map map; -}; - -} // namespace js - -#endif /* jswatchpoint_h */ |