package goja func (r *Runtime) builtin_reflect_apply(call FunctionCall) Value { return r.toCallable(call.Argument(0))(FunctionCall{ This: call.Argument(1), Arguments: r.createListFromArrayLike(call.Argument(2))}) } func (r *Runtime) toConstructor(v Value) func(args []Value, newTarget *Object) *Object { if ctor := r.toObject(v).self.assertConstructor(); ctor != nil { return ctor } panic(r.NewTypeError("Value is not a constructor")) } func (r *Runtime) builtin_reflect_construct(call FunctionCall) Value { target := call.Argument(0) ctor := r.toConstructor(target) var newTarget Value if len(call.Arguments) > 2 { newTarget = call.Argument(2) r.toConstructor(newTarget) } else { newTarget = target } return ctor(r.createListFromArrayLike(call.Argument(1)), r.toObject(newTarget)) } func (r *Runtime) builtin_reflect_defineProperty(call FunctionCall) Value { target := r.toObject(call.Argument(0)) key := toPropertyKey(call.Argument(1)) desc := r.toPropertyDescriptor(call.Argument(2)) return r.toBoolean(target.defineOwnProperty(key, desc, false)) } func (r *Runtime) builtin_reflect_deleteProperty(call FunctionCall) Value { target := r.toObject(call.Argument(0)) key := toPropertyKey(call.Argument(1)) return r.toBoolean(target.delete(key, false)) } func (r *Runtime) builtin_reflect_get(call FunctionCall) Value { target := r.toObject(call.Argument(0)) key := toPropertyKey(call.Argument(1)) var receiver Value if len(call.Arguments) > 2 { receiver = call.Arguments[2] } return target.get(key, receiver) } func (r *Runtime) builtin_reflect_getOwnPropertyDescriptor(call FunctionCall) Value { target := r.toObject(call.Argument(0)) key := toPropertyKey(call.Argument(1)) return r.valuePropToDescriptorObject(target.getOwnProp(key)) } func (r *Runtime) builtin_reflect_getPrototypeOf(call FunctionCall) Value { target := r.toObject(call.Argument(0)) if proto := target.self.proto(); proto != nil { return proto } return _null } func (r *Runtime) builtin_reflect_has(call FunctionCall) Value { target := r.toObject(call.Argument(0)) key := toPropertyKey(call.Argument(1)) return r.toBoolean(target.hasProperty(key)) } func (r *Runtime) builtin_reflect_isExtensible(call FunctionCall) Value { target := r.toObject(call.Argument(0)) return r.toBoolean(target.self.isExtensible()) } func (r *Runtime) builtin_reflect_ownKeys(call FunctionCall) Value { target := r.toObject(call.Argument(0)) return r.newArrayValues(target.self.keys(true, nil)) } func (r *Runtime) builtin_reflect_preventExtensions(call FunctionCall) Value { target := r.toObject(call.Argument(0)) return r.toBoolean(target.self.preventExtensions(false)) } func (r *Runtime) builtin_reflect_set(call FunctionCall) Value { target := r.toObject(call.Argument(0)) var receiver Value if len(call.Arguments) >= 4 { receiver = call.Argument(3) } else { receiver = target } return r.toBoolean(target.set(call.Argument(1), call.Argument(2), receiver, false)) } func (r *Runtime) builtin_reflect_setPrototypeOf(call FunctionCall) Value { target := r.toObject(call.Argument(0)) var proto *Object if arg := call.Argument(1); arg != _null { proto = r.toObject(arg) } return r.toBoolean(target.self.setProto(proto, false)) } func (r *Runtime) createReflect(val *Object) objectImpl { o := newBaseObjectObj(val, r.global.ObjectPrototype, classObject) o._putProp("apply", r.newNativeFunc(r.builtin_reflect_apply, nil, "apply", nil, 3), true, false, true) o._putProp("construct", r.newNativeFunc(r.builtin_reflect_construct, nil, "construct", nil, 2), true, false, true) o._putProp("defineProperty", r.newNativeFunc(r.builtin_reflect_defineProperty, nil, "defineProperty", nil, 3), true, false, true) o._putProp("deleteProperty", r.newNativeFunc(r.builtin_reflect_deleteProperty, nil, "deleteProperty", nil, 2), true, false, true) o._putProp("get", r.newNativeFunc(r.builtin_reflect_get, nil, "get", nil, 2), true, false, true) o._putProp("getOwnPropertyDescriptor", r.newNativeFunc(r.builtin_reflect_getOwnPropertyDescriptor, nil, "getOwnPropertyDescriptor", nil, 2), true, false, true) o._putProp("getPrototypeOf", r.newNativeFunc(r.builtin_reflect_getPrototypeOf, nil, "getPrototypeOf", nil, 1), true, false, true) o._putProp("has", r.newNativeFunc(r.builtin_reflect_has, nil, "has", nil, 2), true, false, true) o._putProp("isExtensible", r.newNativeFunc(r.builtin_reflect_isExtensible, nil, "isExtensible", nil, 1), true, false, true) o._putProp("ownKeys", r.newNativeFunc(r.builtin_reflect_ownKeys, nil, "ownKeys", nil, 1), true, false, true) o._putProp("preventExtensions", r.newNativeFunc(r.builtin_reflect_preventExtensions, nil, "preventExtensions", nil, 1), true, false, true) o._putProp("set", r.newNativeFunc(r.builtin_reflect_set, nil, "set", nil, 3), true, false, true) o._putProp("setPrototypeOf", r.newNativeFunc(r.builtin_reflect_setPrototypeOf, nil, "setPrototypeOf", nil, 2), true, false, true) return o } func (r *Runtime) initReflect() { r.addToGlobal("Reflect", r.newLazyObject(r.createReflect)) }