#ifndef __JS_PLUGINX_SPIDERMONKEY_SPECIFICS_H__ #define __JS_PLUGINX_SPIDERMONKEY_SPECIFICS_H__ #include #include #include #include #include "jsapi.h" #include "uthash.h" #ifdef ANDROID #include #endif #define PLUGINX_JSB_DEBUG 0 namespace pluginx { #if PLUGINX_JSB_DEBUG #ifdef ANDROID #define LOG_TAG "jsb_pluginx" #define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG,LOG_TAG,__VA_ARGS__) #else #define LOGD(...) printf(__VA_ARGS__) #endif #else #define LOGD(...) do {} while (0) #endif #define JSB_PRECONDITION( condition, ...) do { \ if( ! (condition) ) { \ LOGD("jsb: ERROR: File %s: Line: %d, Function: %s", __FILE__, __LINE__, __FUNCTION__ ); \ LOGD(__VA_ARGS__); \ JSContext* globalContext = ScriptingCore::getInstance()->getGlobalContext(); \ if( ! JS_IsExceptionPending( globalContext ) ) { \ JS_ReportError( globalContext, __VA_ARGS__ ); \ } \ return JS_FALSE; \ } \ } while(0) #define JSB_PRECONDITION2( condition, context, ret_value, ...) do { \ if( ! (condition) ) { \ LOGD("jsb: ERROR: File %s: Line: %d, Function: %s", __FILE__, __LINE__, __FUNCTION__ ); \ LOGD(__VA_ARGS__); \ if( ! JS_IsExceptionPending( context ) ) { \ JS_ReportError( context, __VA_ARGS__ ); \ } \ return ret_value; \ } \ } while(0) typedef struct js_proxy { void *ptr; JSObject *obj; UT_hash_handle hh; } js_proxy_t; extern js_proxy_t *_native_js_global_ht; extern js_proxy_t *_js_native_global_ht; typedef struct js_type_class { uint32_t type; JSClass *jsclass; JSObject *proto; JSObject *parentProto; UT_hash_handle hh; } js_type_class_t; extern js_type_class_t *_js_global_type_ht; unsigned int getHashCodeByString(const char *key); template< typename DERIVED > class TypeTest { public: static int s_id() { // return id unique for DERIVED // NOT SURE IT WILL BE REALLY UNIQUE FOR EACH CLASS!! /* Commented by James Chen Using 'getHashCodeByString(typeid(*native_obj).name())' instead of 'reinterpret_cast(typeid(*native_obj).name());'. Since on win32 platform, 'reinterpret_cast(typeid(*native_obj).name());' invoking in cocos2d.dll and outside cocos2d.dll(in TestJavascript.exe) will return different address. But the return string from typeid(*native_obj).name() is the same string, so we must convert the string to hash id to make sure we can get unique id. */ // static const long id = reinterpret_cast(typeid( DERIVED ).name()); static const long id = getHashCodeByString(typeid( DERIVED ).name()); return id; } static const char* s_name() { // return id unique for DERIVED // ALWAYS VALID BUT STRING, NOT INT - BUT VALID AND CROSS-PLATFORM/CROSS-VERSION COMPATBLE // AS FAR AS YOU KEEP THE CLASS NAME return typeid( DERIVED ).name(); } }; #define JS_NEW_PROXY(p, native_obj, js_obj) \ do { \ p = (js_proxy_t *)malloc(sizeof(js_proxy_t)); \ assert(p); \ js_proxy_t* native_obj##js_obj##tmp = NULL; \ HASH_FIND_PTR(_native_js_global_ht, &native_obj, native_obj##js_obj##tmp); \ assert(!native_obj##js_obj##tmp); \ p->ptr = native_obj; \ p->obj = js_obj; \ HASH_ADD_PTR(_native_js_global_ht, ptr, p); \ p = (js_proxy_t *)malloc(sizeof(js_proxy_t)); \ assert(p); \ native_obj##js_obj##tmp = NULL; \ HASH_FIND_PTR(_js_native_global_ht, &js_obj, native_obj##js_obj##tmp); \ assert(!native_obj##js_obj##tmp); \ p->ptr = native_obj; \ p->obj = js_obj; \ HASH_ADD_PTR(_js_native_global_ht, obj, p); \ } while(0) \ #define JS_GET_PROXY(p, native_obj) \ do { \ HASH_FIND_PTR(_native_js_global_ht, &native_obj, p); \ } while (0) #define JS_GET_NATIVE_PROXY(p, js_obj) \ do { \ HASH_FIND_PTR(_js_native_global_ht, &js_obj, p); \ } while (0) #define JS_REMOVE_PROXY(nproxy, jsproxy) \ do { \ if (nproxy) { HASH_DEL(_native_js_global_ht, nproxy); free(nproxy); } \ if (jsproxy) { HASH_DEL(_js_native_global_ht, jsproxy); free(jsproxy); } \ } while (0) #define JS_TEST_NATIVE_OBJECT(cx, native_obj) \ if (!native_obj) { \ JS_ReportError(cx, "Invalid Native Object"); \ return JS_FALSE; \ } /** * You don't need to manage the returned pointer. They live for the whole life of * the app. */ template inline js_type_class_t *js_get_type_from_native(T* native_obj) { js_type_class_t *typeProxy; long typeId = getHashCodeByString(typeid(*native_obj).name()); HASH_FIND_INT(_js_global_type_ht, &typeId, typeProxy); if (!typeProxy) { typeId = getHashCodeByString(typeid(T).name()); HASH_FIND_INT(_js_global_type_ht, &typeId, typeProxy); } return typeProxy; } /** * The returned pointer should be deleted using JS_REMOVE_PROXY. Most of the * time you do that in the C++ destructor. */ template inline js_proxy_t *js_get_or_create_proxy(JSContext *cx, T *native_obj) { js_proxy_t *proxy; HASH_FIND_PTR(_native_js_global_ht, &native_obj, proxy); if (!proxy) { js_type_class_t *typeProxy = js_get_type_from_native(native_obj); assert(typeProxy); JSObject* js_obj = JS_NewObject(cx, typeProxy->jsclass, typeProxy->proto, typeProxy->parentProto); JS_NEW_PROXY(proxy, native_obj, js_obj); //#ifdef COCOS2D_JAVASCRIPT // #ifdef DEBUG // JS_AddNamedObjectRoot(cx, &proxy->obj, typeid(*native_obj).name()); // #else // JS_AddObjectRoot(cx, &proxy->obj); // #endif //#endif return proxy; } else { return proxy; } return NULL; } } // namespace pluginx { #endif /* __JS_PLUGINX_SPIDERMONKEY_SPECIFICS_H__ */