/* * QuickJS Javascript Engine * * Copyright (c) 2017-2021 Fabrice Bellard * Copyright (c) 2017-2021 Charlie Gordon * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "third_party/quickjs/internal.h" asm(".ident\t\"\\n\\n\ QuickJS (MIT License)\\n\ Copyright (c) 2017-2021 Fabrice Bellard\\n\ Copyright (c) 2017-2021 Charlie Gordon\""); asm(".include \"libc/disclaimer.inc\""); /* clang-format off */ static JSValue js_reflect_apply(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv) { return js_function_apply(ctx, argv[0], max_int(0, argc - 1), argv + 1, 2); } static JSValue js_reflect_construct(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv) { JSValueConst func, array_arg, new_target; JSValue *tab, ret; uint32_t len; func = argv[0]; array_arg = argv[1]; if (argc > 2) { new_target = argv[2]; if (!JS_IsConstructor(ctx, new_target)) return JS_ThrowTypeError(ctx, "not a constructor"); } else { new_target = func; } tab = build_arg_list(ctx, &len, array_arg); if (!tab) return JS_EXCEPTION; ret = JS_CallConstructor2(ctx, func, new_target, len, (JSValueConst *)tab); free_arg_list(ctx, tab, len); return ret; } static JSValue js_reflect_deleteProperty(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv) { JSValueConst obj; JSAtom atom; int ret; obj = argv[0]; if (JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT) return JS_ThrowTypeErrorNotAnObject(ctx); atom = JS_ValueToAtom(ctx, argv[1]); if (UNLIKELY(atom == JS_ATOM_NULL)) return JS_EXCEPTION; ret = JS_DeleteProperty(ctx, obj, atom, 0); JS_FreeAtom(ctx, atom); if (ret < 0) return JS_EXCEPTION; else return JS_NewBool(ctx, ret); } static JSValue js_reflect_get(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv) { JSValueConst obj, prop, receiver; JSAtom atom; JSValue ret; obj = argv[0]; prop = argv[1]; if (JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT) return JS_ThrowTypeErrorNotAnObject(ctx); if (argc > 2) receiver = argv[2]; else receiver = obj; atom = JS_ValueToAtom(ctx, prop); if (UNLIKELY(atom == JS_ATOM_NULL)) return JS_EXCEPTION; ret = JS_GetPropertyInternal(ctx, obj, atom, receiver, FALSE); JS_FreeAtom(ctx, atom); return ret; } static JSValue js_reflect_has(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv) { JSValueConst obj, prop; JSAtom atom; int ret; obj = argv[0]; prop = argv[1]; if (JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT) return JS_ThrowTypeErrorNotAnObject(ctx); atom = JS_ValueToAtom(ctx, prop); if (UNLIKELY(atom == JS_ATOM_NULL)) return JS_EXCEPTION; ret = JS_HasProperty(ctx, obj, atom); JS_FreeAtom(ctx, atom); if (ret < 0) return JS_EXCEPTION; else return JS_NewBool(ctx, ret); } static JSValue js_reflect_set(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv) { JSValueConst obj, prop, val, receiver; int ret; JSAtom atom; obj = argv[0]; prop = argv[1]; val = argv[2]; if (argc > 3) receiver = argv[3]; else receiver = obj; if (JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT) return JS_ThrowTypeErrorNotAnObject(ctx); atom = JS_ValueToAtom(ctx, prop); if (UNLIKELY(atom == JS_ATOM_NULL)) return JS_EXCEPTION; ret = JS_SetPropertyGeneric(ctx, obj, atom, JS_DupValue(ctx, val), receiver, 0); JS_FreeAtom(ctx, atom); if (ret < 0) return JS_EXCEPTION; else return JS_NewBool(ctx, ret); } static JSValue js_reflect_setPrototypeOf(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv) { int ret; ret = JS_SetPrototypeInternal(ctx, argv[0], argv[1], FALSE); if (ret < 0) return JS_EXCEPTION; else return JS_NewBool(ctx, ret); } static JSValue js_reflect_ownKeys(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv) { if (JS_VALUE_GET_TAG(argv[0]) != JS_TAG_OBJECT) return JS_ThrowTypeErrorNotAnObject(ctx); return JS_GetOwnPropertyNames2(ctx, argv[0], JS_GPN_STRING_MASK | JS_GPN_SYMBOL_MASK, JS_ITERATOR_KIND_KEY); } static const JSCFunctionListEntry js_reflect_funcs[] = { JS_CFUNC_DEF("apply", 3, js_reflect_apply ), JS_CFUNC_DEF("construct", 2, js_reflect_construct ), JS_CFUNC_MAGIC_DEF("defineProperty", 3, js_object_defineProperty, 1 ), JS_CFUNC_DEF("deleteProperty", 2, js_reflect_deleteProperty ), JS_CFUNC_DEF("get", 2, js_reflect_get ), JS_CFUNC_MAGIC_DEF("getOwnPropertyDescriptor", 2, js_object_getOwnPropertyDescriptor, 1 ), JS_CFUNC_MAGIC_DEF("getPrototypeOf", 1, js_object_getPrototypeOf, 1 ), JS_CFUNC_DEF("has", 2, js_reflect_has ), JS_CFUNC_MAGIC_DEF("isExtensible", 1, js_object_isExtensible, 1 ), JS_CFUNC_DEF("ownKeys", 1, js_reflect_ownKeys ), JS_CFUNC_MAGIC_DEF("preventExtensions", 1, js_object_preventExtensions, 1 ), JS_CFUNC_DEF("set", 3, js_reflect_set ), JS_CFUNC_DEF("setPrototypeOf", 2, js_reflect_setPrototypeOf ), JS_PROP_STRING_DEF("[Symbol.toStringTag]", "Reflect", JS_PROP_CONFIGURABLE ), }; static const JSCFunctionListEntry js_reflect_obj[] = { JS_OBJECT_DEF("Reflect", js_reflect_funcs, countof(js_reflect_funcs), JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE ), }; void JS_AddIntrinsicReflect(JSContext *ctx) { JS_SetPropertyFunctionList(ctx, ctx->global_obj, js_reflect_obj, countof(js_reflect_obj)); }