1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 // This file relies on the fact that the following declaration has been made
32 // var $Array = global.Array;
34 // -------------------------------------------------------------------
36 // ES6 draft 07-15-13, section 15.4.3.23
37 function ArrayFind(predicate /* thisArg */) { // length == 1
38 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.find");
40 var array = ToObject(this);
41 var length = ToInteger(array.length);
43 if (!IS_SPEC_FUNCTION(predicate)) {
44 throw MakeTypeError('called_non_callable', [predicate]);
48 if (%_ArgumentsLength() > 1) {
49 thisArg = %_Arguments(1);
52 if (IS_NULL_OR_UNDEFINED(thisArg)) {
53 thisArg = %GetDefaultReceiver(predicate) || thisArg;
54 } else if (!IS_SPEC_OBJECT(thisArg) && %IsClassicModeFunction(predicate)) {
55 thisArg = ToObject(thisArg);
58 for (var i = 0; i < length; i++) {
60 var element = array[i];
61 if (%_CallFunction(thisArg, element, i, array, predicate)) {
71 // ES6 draft 07-15-13, section 15.4.3.24
72 function ArrayFindIndex(predicate /* thisArg */) { // length == 1
73 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.findIndex");
75 var array = ToObject(this);
76 var length = ToInteger(array.length);
78 if (!IS_SPEC_FUNCTION(predicate)) {
79 throw MakeTypeError('called_non_callable', [predicate]);
83 if (%_ArgumentsLength() > 1) {
84 thisArg = %_Arguments(1);
87 if (IS_NULL_OR_UNDEFINED(thisArg)) {
88 thisArg = %GetDefaultReceiver(predicate) || thisArg;
89 } else if (!IS_SPEC_OBJECT(thisArg) && %IsClassicModeFunction(predicate)) {
90 thisArg = ToObject(thisArg);
93 for (var i = 0; i < length; i++) {
95 var element = array[i];
96 if (%_CallFunction(thisArg, element, i, array, predicate)) {
106 // -------------------------------------------------------------------
108 function HarmonyArrayExtendArrayPrototype() {
109 %CheckIsBootstrapping();
111 // Set up the non-enumerable functions on the Array prototype object.
112 InstallFunctions($Array.prototype, DONT_ENUM, $Array(
114 "findIndex", ArrayFindIndex
118 HarmonyArrayExtendArrayPrototype();