michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*jshint bitwise: true, camelcase: false, curly: false, eqeqeq: true,
michael@0:          es5: true, forin: true, immed: true, indent: 4, latedef: false,
michael@0:          newcap: false, noarg: true, noempty: true, nonew: true,
michael@0:          plusplus: false, quotmark: false, regexp: true, undef: true,
michael@0:          unused: false, strict: false, trailing: true,
michael@0: */
michael@0: 
michael@0: /*global ToObject: false, ToInteger: false, IsCallable: false,
michael@0:          ThrowError: false, AssertionFailed: false, SetScriptHints: false,
michael@0:          MakeConstructible: false, DecompileArg: false,
michael@0:          RuntimeDefaultLocale: false,
michael@0:          ParallelDo: false, ParallelSlices: false, NewDenseArray: false,
michael@0:          UnsafePutElements: false, ShouldForceSequential: false,
michael@0:          ParallelTestsShouldPass: false,
michael@0:          Dump: false,
michael@0:          callFunction: false,
michael@0:          TO_UINT32: false,
michael@0:          JSMSG_NOT_FUNCTION: false, JSMSG_MISSING_FUN_ARG: false,
michael@0:          JSMSG_EMPTY_ARRAY_REDUCE: false, JSMSG_CANT_CONVERT_TO: false,
michael@0: */
michael@0: 
michael@0: #include "SelfHostingDefines.h"
michael@0: 
michael@0: // Remove unsafe builtin functions.
michael@0: Object.defineProperty = null; // See bug 988416.
michael@0: 
michael@0: // Cache builtin functions so using them doesn't require cloning the whole object they're 
michael@0: // installed on.
michael@0: var std_isFinite = isFinite;
michael@0: var std_isNaN = isNaN;
michael@0: var std_Array_indexOf = ArrayIndexOf;
michael@0: var std_Array_iterator = Array.prototype.iterator;
michael@0: var std_Array_join = Array.prototype.join;
michael@0: var std_Array_push = Array.prototype.push;
michael@0: var std_Array_pop = Array.prototype.pop;
michael@0: var std_Array_shift = Array.prototype.shift;
michael@0: var std_Array_slice = Array.prototype.slice;
michael@0: var std_Array_sort = Array.prototype.sort;
michael@0: var std_Array_unshift = Array.prototype.unshift;
michael@0: var std_Boolean_toString = Boolean.prototype.toString;
michael@0: var Std_Date = Date;
michael@0: var std_Date_now = Date.now;
michael@0: var std_Date_valueOf = Date.prototype.valueOf;
michael@0: var std_Function_bind = Function.prototype.bind;
michael@0: var std_Function_apply = Function.prototype.apply;
michael@0: var std_Math_floor = Math.floor;
michael@0: var std_Math_max = Math.max;
michael@0: var std_Math_min = Math.min;
michael@0: var std_Math_imul = Math.imul;
michael@0: var std_Math_log2 = Math.log2;
michael@0: var std_Number_valueOf = Number.prototype.valueOf;
michael@0: var std_Number_POSITIVE_INFINITY = Number.POSITIVE_INFINITY;
michael@0: var std_Object_create = Object.create;
michael@0: var std_Object_getOwnPropertyNames = Object.getOwnPropertyNames;
michael@0: var std_Object_hasOwnProperty = Object.prototype.hasOwnProperty;
michael@0: var std_RegExp_test = RegExp.prototype.test;
michael@0: var Std_String = String;
michael@0: var std_String_fromCharCode = String.fromCharCode;
michael@0: var std_String_charCodeAt = String.prototype.charCodeAt;
michael@0: var std_String_indexOf = String.prototype.indexOf;
michael@0: var std_String_lastIndexOf = String.prototype.lastIndexOf;
michael@0: var std_String_match = String.prototype.match;
michael@0: var std_String_replace = String.prototype.replace;
michael@0: var std_String_split = String.prototype.split;
michael@0: var std_String_startsWith = String.prototype.startsWith;
michael@0: var std_String_substring = String.prototype.substring;
michael@0: var std_String_toLowerCase = String.prototype.toLowerCase;
michael@0: var std_String_toUpperCase = String.prototype.toUpperCase;
michael@0: var std_WeakMap = WeakMap;
michael@0: var std_WeakMap_get = WeakMap.prototype.get;
michael@0: var std_WeakMap_has = WeakMap.prototype.has;
michael@0: var std_WeakMap_set = WeakMap.prototype.set;
michael@0: var std_Map_has = Map.prototype.has;
michael@0: var std_Set_has = Set.prototype.has;
michael@0: var std_iterator = '@@iterator'; // FIXME: Change to be a symbol.
michael@0: var std_StopIteration = StopIteration;
michael@0: var std_Map_iterator = Map.prototype[std_iterator];
michael@0: var std_Set_iterator = Set.prototype[std_iterator];
michael@0: var std_Map_iterator_next = Object.getPrototypeOf(Map()[std_iterator]()).next;
michael@0: var std_Set_iterator_next = Object.getPrototypeOf(Set()[std_iterator]()).next;
michael@0: 
michael@0: 
michael@0: 
michael@0: /********** List specification type **********/
michael@0: 
michael@0: 
michael@0: /* Spec: ECMAScript Language Specification, 5.1 edition, 8.8 */
michael@0: function List() {}
michael@0: {
michael@0:   let ListProto = std_Object_create(null);
michael@0:   ListProto.indexOf = std_Array_indexOf;
michael@0:   ListProto.join = std_Array_join;
michael@0:   ListProto.push = std_Array_push;
michael@0:   ListProto.slice = std_Array_slice;
michael@0:   ListProto.sort = std_Array_sort;
michael@0:   MakeConstructible(List, ListProto);
michael@0: }
michael@0: 
michael@0: 
michael@0: /********** Record specification type **********/
michael@0: 
michael@0: 
michael@0: /* Spec: ECMAScript Internationalization API Specification, draft, 5 */
michael@0: function Record() {
michael@0:     return std_Object_create(null);
michael@0: }
michael@0: MakeConstructible(Record, {});
michael@0: 
michael@0: 
michael@0: /********** Abstract operations defined in ECMAScript Language Specification **********/
michael@0: 
michael@0: 
michael@0: /* Spec: ECMAScript Language Specification, 5.1 edition, 8.12.6 and 11.8.7 */
michael@0: function HasProperty(o, p) {
michael@0:     return p in o;
michael@0: }
michael@0: 
michael@0: 
michael@0: /* Spec: ECMAScript Language Specification, 5.1 edition, 9.2 and 11.4.9 */
michael@0: function ToBoolean(v) {
michael@0:     return !!v;
michael@0: }
michael@0: 
michael@0: 
michael@0: /* Spec: ECMAScript Language Specification, 5.1 edition, 9.3 and 11.4.6 */
michael@0: function ToNumber(v) {
michael@0:     return +v;
michael@0: }
michael@0: 
michael@0: 
michael@0: /* Spec: ECMAScript Language Specification, 5.1 edition, 9.8 and 15.2.1.1 */
michael@0: function ToString(v) {
michael@0:     assert(arguments.length > 0, "__toString");
michael@0:     return Std_String(v);
michael@0: }
michael@0: 
michael@0: 
michael@0: /* Spec: ECMAScript Language Specification, 5.1 edition, 9.10 */
michael@0: function CheckObjectCoercible(v) {
michael@0:     if (v === undefined || v === null)
michael@0:         ThrowError(JSMSG_CANT_CONVERT_TO, ToString(v), "object");
michael@0: }
michael@0: 
michael@0: 
michael@0: /********** Various utility functions **********/
michael@0: 
michael@0: 
michael@0: /** Returns true iff Type(v) is Object; see ES5 8.6. */
michael@0: function IsObject(v) {
michael@0:     // Watch out for |typeof null === "object"| as the most obvious pitfall.
michael@0:     // But also be careful of SpiderMonkey's objects that emulate undefined
michael@0:     // (i.e. |document.all|), which have bogus |typeof| behavior.  Detect
michael@0:     // these objects using strict equality, which said bogosity doesn't affect.
michael@0:     return (typeof v === "object" && v !== null) ||
michael@0:            typeof v === "function" ||
michael@0:            (typeof v === "undefined" && v !== undefined);
michael@0: }
michael@0: 
michael@0: 
michael@0: /********** Testing code **********/
michael@0: 
michael@0: #ifdef ENABLE_PARALLEL_JS
michael@0: 
michael@0: /**
michael@0:  * Internal debugging tool: checks that the given `mode` permits
michael@0:  * sequential execution
michael@0:  */
michael@0: function AssertSequentialIsOK(mode) {
michael@0:   if (mode && mode.mode && mode.mode !== "seq" && ParallelTestsShouldPass())
michael@0:     ThrowError(JSMSG_WRONG_VALUE, "parallel execution", "sequential was forced");
michael@0: }
michael@0: 
michael@0: function ForkJoinMode(mode) {
michael@0:   // WARNING: this must match the enum ForkJoinMode in ForkJoin.cpp
michael@0:   if (!mode || !mode.mode) {
michael@0:     return 0;
michael@0:   } else if (mode.mode === "compile") {
michael@0:     return 1;
michael@0:   } else if (mode.mode === "par") {
michael@0:     return 2;
michael@0:   } else if (mode.mode === "recover") {
michael@0:     return 3;
michael@0:   } else if (mode.mode === "bailout") {
michael@0:     return 4;
michael@0:   }
michael@0:   ThrowError(JSMSG_PAR_ARRAY_BAD_ARG);
michael@0:   return undefined;
michael@0: }
michael@0: 
michael@0: #endif