GICallableInfo * peas_gi_get_method_info (GType iface_type, const gchar *method_name) { GIRepository *repo; GIBaseInfo *iface_info; GIFunctionInfo *func_info; repo = g_irepository_get_default (); iface_info = g_irepository_find_by_gtype (repo, iface_type); if (iface_info == NULL) { g_warning ("Type not found in introspection: '%s'", g_type_name (iface_type)); return NULL; } switch (g_base_info_get_type (iface_info)) { case GI_INFO_TYPE_OBJECT: func_info = g_object_info_find_method ((GIObjectInfo *) iface_info, method_name); break; case GI_INFO_TYPE_INTERFACE: func_info = g_interface_info_find_method ((GIInterfaceInfo *) iface_info, method_name); break; default: func_info = NULL; } g_base_info_unref (iface_info); return (GICallableInfo *) func_info; }
/* * The *resolved out parameter, on success, should be false to indicate that id * was not resolved; and true if id was resolved. */ static bool param_resolve(JSContext *context, JS::HandleObject obj, JS::HandleId id, bool *resolved) { GIObjectInfo *info = NULL; GIFunctionInfo *method_info; Param *priv; bool ret = false; priv = priv_from_js(context, obj); if (priv != NULL) { /* instance, not prototype */ *resolved = false; return true; } GjsAutoJSChar name; if (!gjs_get_string_id(context, id, &name)) { *resolved = false; return true; /* not resolved, but no error */ } info = (GIObjectInfo*)g_irepository_find_by_gtype(g_irepository_get_default(), G_TYPE_PARAM); method_info = g_object_info_find_method(info, name); if (method_info == NULL) { *resolved = false; ret = true; goto out; } #if GJS_VERBOSE_ENABLE_GI_USAGE _gjs_log_info_usage((GIBaseInfo*) method_info); #endif if (g_function_info_get_flags (method_info) & GI_FUNCTION_IS_METHOD) { gjs_debug(GJS_DEBUG_GOBJECT, "Defining method %s in prototype for GObject.ParamSpec", g_base_info_get_name( (GIBaseInfo*) method_info)); if (gjs_define_function(context, obj, G_TYPE_PARAM, method_info) == NULL) { g_base_info_unref( (GIBaseInfo*) method_info); goto out; } *resolved = true; /* we defined the prop in obj */ } g_base_info_unref( (GIBaseInfo*) method_info); ret = true; out: if (info != NULL) g_base_info_unref( (GIBaseInfo*)info); return ret; }
/** * g_object_info_find_method_using_interfaces: * @info: a #GIObjectInfo * @name: name of method to obtain * @implementor: (out) (transfer full): The implementor of the interface * * Obtain a method of the object given a @name, searching both the * object @info and any interfaces it implements. %NULL will be * returned if there's no method available with that name. * * Note that this function does *not* search parent classes; you will have * to chain up if that's desired. * * Returns: (transfer full): the #GIFunctionInfo. Free the struct by calling * g_base_info_unref() when done. */ GIFunctionInfo * g_object_info_find_method_using_interfaces (GIObjectInfo *info, const gchar *name, GIObjectInfo **implementor) { GIFunctionInfo *result = NULL; GIObjectInfo *implementor_result = NULL; result = g_object_info_find_method (info, name); if (result) implementor_result = g_base_info_ref ((GIBaseInfo*) info); if (result == NULL) { int n_interfaces; int i; n_interfaces = g_object_info_get_n_interfaces (info); for (i = 0; i < n_interfaces; ++i) { GIInterfaceInfo *iface_info; iface_info = g_object_info_get_interface (info, i); result = g_interface_info_find_method (iface_info, name); if (result != NULL) { implementor_result = iface_info; break; } g_base_info_unref ((GIBaseInfo*) iface_info); } } if (implementor) *implementor = implementor_result; else if (implementor_result != NULL) g_base_info_unref ((GIBaseInfo*) implementor_result); return result; }
/* * Like JSResolveOp, but flags provide contextual information as follows: * * JSRESOLVE_QUALIFIED a qualified property id: obj.id or obj[id], not id * JSRESOLVE_ASSIGNING obj[id] is on the left-hand side of an assignment * JSRESOLVE_DETECTING 'if (o.p)...' or similar detection opcode sequence * JSRESOLVE_DECLARING var, const, or fundamental prolog declaration opcode * JSRESOLVE_CLASSNAME class name used when constructing * * The *objp out parameter, on success, should be null to indicate that id * was not resolved; and non-null, referring to obj or one of its prototypes, * if id was resolved. */ static JSBool fundamental_instance_new_resolve(JSContext *context, JS::HandleObject obj, JS::HandleId id, unsigned flags, JS::MutableHandleObject objp) { FundamentalInstance *priv; char *name; JSBool ret = JS_FALSE; if (!gjs_get_string_id(context, id, &name)) return JS_TRUE; /* not resolved, but no error */ priv = priv_from_js(context, obj); gjs_debug_jsprop(GJS_DEBUG_GFUNDAMENTAL, "Resolve prop '%s' hook obj %p priv %p", name, *obj, priv); if (priv == NULL) goto out; /* wrong class */ if (priv->prototype == NULL) { /* We are the prototype, so look for methods and other class properties */ Fundamental *proto_priv = (Fundamental *) priv; GIFunctionInfo *method_info; method_info = g_object_info_find_method((GIStructInfo*) proto_priv->info, name); if (method_info != NULL) { const char *method_name; #if GJS_VERBOSE_ENABLE_GI_USAGE _gjs_log_info_usage((GIBaseInfo *) method_info); #endif if (g_function_info_get_flags (method_info) & GI_FUNCTION_IS_METHOD) { method_name = g_base_info_get_name((GIBaseInfo *) method_info); /* we do not define deprecated methods in the prototype */ if (g_base_info_is_deprecated((GIBaseInfo *) method_info)) { gjs_debug(GJS_DEBUG_GFUNDAMENTAL, "Ignoring definition of deprecated method %s in prototype %s.%s", method_name, g_base_info_get_namespace((GIBaseInfo *) proto_priv->info), g_base_info_get_name((GIBaseInfo *) proto_priv->info)); g_base_info_unref((GIBaseInfo *) method_info); ret = JS_TRUE; goto out; } gjs_debug(GJS_DEBUG_GFUNDAMENTAL, "Defining method %s in prototype for %s.%s", method_name, g_base_info_get_namespace((GIBaseInfo *) proto_priv->info), g_base_info_get_name((GIBaseInfo *) proto_priv->info)); if (gjs_define_function(context, obj, proto_priv->gtype, method_info) == NULL) { g_base_info_unref((GIBaseInfo *) method_info); goto out; } objp.set(obj); } g_base_info_unref((GIBaseInfo *) method_info); } ret = fundamental_instance_new_resolve_interface(context, obj, objp, proto_priv, name); } else { /* We are an instance, not a prototype, so look for * per-instance props that we want to define on the * JSObject. Generally we do not want to cache these in JS, we * want to always pull them from the C object, or JS would not * see any changes made from C. So we use the get/set prop * hooks, not this resolve hook. */ } ret = JS_TRUE; out: g_free(name); return ret; }