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<div class="title">array_object.cpp</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- c-basic-offset: 2 -*-</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * This file is part of the KDE libraries</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (C) 2003 Apple Computer, Inc.</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00008"></a>00008 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00009"></a>00009 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00010"></a>00010 <span class="comment"> * version 2 of the License, or (at your option) any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00015"></a>00015 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00018"></a>00018 <span class="comment"> * License along with this library; if not, write to the Free Software</span>
<a name="l00019"></a>00019 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00020"></a>00020 <span class="comment"> *</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include "value.h"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "object.h"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "types.h"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "interpreter.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "operations.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "array_object.h"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "internal.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "error_object.h"</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include "array_object.lut.h"</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="preprocessor">#include <stdio.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <string.h></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include <assert.h></span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="preprocessor">#define MAX_INDEX 4294967294U // 2^32-2</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040 <span class="keyword">using namespace </span>KJS;
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="comment">// ------------------------------ ArrayInstanceImp -----------------------------</span>
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> sparseArrayCutoff = 10000;
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keyword">const</span> <a class="code" href="structKJS_1_1ClassInfo.html" title="Class Information.">ClassInfo</a> ArrayInstanceImp::info = {<span class="stringliteral">"Array"</span>, 0, 0, 0};
<a name="l00047"></a>00047
<a name="l00048"></a>00048 ArrayInstanceImp::ArrayInstanceImp(ObjectImp *proto, <span class="keywordtype">unsigned</span> initialLength)
<a name="l00049"></a>00049 : ObjectImp(proto)
<a name="l00050"></a>00050 , length(initialLength)
<a name="l00051"></a>00051 , storageLength(initialLength < sparseArrayCutoff ? initialLength : 0)
<a name="l00052"></a>00052 , capacity(storageLength)
<a name="l00053"></a>00053 , storage(capacity ? (<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> **)calloc(capacity, sizeof(<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *)) : 0)
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056
<a name="l00057"></a>00057 ArrayInstanceImp::ArrayInstanceImp(ObjectImp *proto, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &list)
<a name="l00058"></a>00058 : ObjectImp(proto)
<a name="l00059"></a>00059 , length(list.size())
<a name="l00060"></a>00060 , storageLength(length)
<a name="l00061"></a>00061 , capacity(storageLength)
<a name="l00062"></a>00062 , storage(capacity ? (<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> **)malloc(sizeof(<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *) * capacity) : 0)
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <a class="code" href="classKJS_1_1ListIterator.html" title="Iterator for KJS::List objects.">ListIterator</a> it = list.<a class="code" href="classKJS_1_1List.html#a28eebc11fbb2305edecf29f25a06f77e">begin</a>();
<a name="l00065"></a>00065 <span class="keywordtype">unsigned</span> l = length;
<a name="l00066"></a>00066 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < l; ++i) {
<a name="l00067"></a>00067 storage[i] = (it++).imp();
<a name="l00068"></a>00068 }
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070
<a name="l00071"></a>00071 ArrayInstanceImp::~ArrayInstanceImp()
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 free(storage);
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> ArrayInstanceImp::get(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> &propertyName)<span class="keyword"> const</span>
<a name="l00077"></a>00077 <span class="keyword"></span>{
<a name="l00078"></a>00078 <span class="keywordflow">if</span> (propertyName == lengthPropertyName)
<a name="l00079"></a>00079 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(length);
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keywordtype">bool</span> ok;
<a name="l00082"></a>00082 <span class="keywordtype">unsigned</span> index = propertyName.toArrayIndex(&ok);
<a name="l00083"></a>00083 <span class="keywordflow">if</span> (ok) {
<a name="l00084"></a>00084 <span class="keywordflow">if</span> (index >= length)
<a name="l00085"></a>00085 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Undefined.html" title="Represents an primitive Undefined value.">Undefined</a>();
<a name="l00086"></a>00086 <span class="keywordflow">if</span> (index < storageLength) {
<a name="l00087"></a>00087 <a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *v = storage[index];
<a name="l00088"></a>00088 <span class="keywordflow">return</span> v ? <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a>(v) : <a class="code" href="classKJS_1_1Undefined.html" title="Represents an primitive Undefined value.">Undefined</a>();
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordflow">return</span> ObjectImp::get(exec, propertyName);
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> ArrayInstanceImp::getPropertyByIndex(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec,
<a name="l00096"></a>00096 <span class="keywordtype">unsigned</span> index)<span class="keyword"> const</span>
<a name="l00097"></a>00097 <span class="keyword"></span>{
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (index > MAX_INDEX)
<a name="l00099"></a>00099 <span class="keywordflow">return</span> ObjectImp::get(exec, Identifier::from(index));
<a name="l00100"></a>00100 <span class="keywordflow">if</span> (index >= length)
<a name="l00101"></a>00101 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Undefined.html" title="Represents an primitive Undefined value.">Undefined</a>();
<a name="l00102"></a>00102 <span class="keywordflow">if</span> (index < storageLength) {
<a name="l00103"></a>00103 <a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *v = storage[index];
<a name="l00104"></a>00104 <span class="keywordflow">return</span> v ? <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a>(v) : <a class="code" href="classKJS_1_1Undefined.html" title="Represents an primitive Undefined value.">Undefined</a>();
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keywordflow">return</span> ObjectImp::get(exec, Identifier::from(index));
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="comment">// Special implementation of [[Put]] - see ECMA 15.4.5.1</span>
<a name="l00111"></a>00111 <span class="keywordtype">void</span> ArrayInstanceImp::put(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> &propertyName, <span class="keyword">const</span> <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> &value, <span class="keywordtype">int</span> attr)
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 <span class="keywordflow">if</span> (propertyName == lengthPropertyName) {
<a name="l00114"></a>00114 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> newLen = value.<a class="code" href="classKJS_1_1Value.html#a6aee2e9f36bd37afdfb2f0678f8cf69e" title="Performs the ToUInt32 type conversion operation on this value (ECMA 9.6)">toUInt32</a>(exec);
<a name="l00115"></a>00115 <span class="keywordflow">if</span> (value.<a class="code" href="classKJS_1_1Value.html#abc006ad65a05568bbebe2c63604766b8" title="Performs the ToNumber type conversion operation on this value (ECMA 9.3)">toNumber</a>(exec) != double(newLen)) {
<a name="l00116"></a>00116 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> err = Error::create(exec, RangeError, <span class="stringliteral">"Invalid array length."</span>);
<a name="l00117"></a>00117 exec->setException(err);
<a name="l00118"></a>00118 <span class="keywordflow">return</span>;
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 setLength(newLen, exec);
<a name="l00121"></a>00121 <span class="keywordflow">return</span>;
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keywordtype">bool</span> ok;
<a name="l00125"></a>00125 <span class="keywordtype">unsigned</span> index = propertyName.toArrayIndex(&ok);
<a name="l00126"></a>00126 <span class="keywordflow">if</span> (ok) {
<a name="l00127"></a>00127 putPropertyByIndex(exec, index, value, attr);
<a name="l00128"></a>00128 <span class="keywordflow">return</span>;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 ObjectImp::put(exec, propertyName, value, attr);
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="keywordtype">void</span> ArrayInstanceImp::putPropertyByIndex(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keywordtype">unsigned</span> index,
<a name="l00135"></a>00135 <span class="keyword">const</span> <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> &value, <span class="keywordtype">int</span> attr)
<a name="l00136"></a>00136 {
<a name="l00137"></a>00137 <span class="keywordflow">if</span> (index < sparseArrayCutoff && index >= storageLength) {
<a name="l00138"></a>00138 resizeStorage(index + 1);
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="keywordflow">if</span> (index >= length && index <= MAX_INDEX) {
<a name="l00142"></a>00142 length = index + 1;
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <span class="keywordflow">if</span> (index < storageLength) {
<a name="l00146"></a>00146 storage[index] = value.imp();
<a name="l00147"></a>00147 <span class="keywordflow">return</span>;
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149
<a name="l00150"></a>00150 assert(index >= sparseArrayCutoff);
<a name="l00151"></a>00151 ObjectImp::put(exec, Identifier::from(index), value, attr);
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="keywordtype">bool</span> ArrayInstanceImp::hasProperty(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> &propertyName)<span class="keyword"> const</span>
<a name="l00155"></a>00155 <span class="keyword"></span>{
<a name="l00156"></a>00156 <span class="keywordflow">if</span> (propertyName == lengthPropertyName)
<a name="l00157"></a>00157 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keywordtype">bool</span> ok;
<a name="l00160"></a>00160 <span class="keywordtype">unsigned</span> index = propertyName.toArrayIndex(&ok);
<a name="l00161"></a>00161 <span class="keywordflow">if</span> (ok) {
<a name="l00162"></a>00162 <span class="keywordflow">if</span> (index >= length)
<a name="l00163"></a>00163 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00164"></a>00164 <span class="keywordflow">if</span> (index < storageLength) {
<a name="l00165"></a>00165 <a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *v = storage[index];
<a name="l00166"></a>00166 <span class="keywordflow">return</span> v && v != UndefinedImp::staticUndefined;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="keywordflow">return</span> ObjectImp::hasProperty(exec, propertyName);
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="keywordtype">bool</span> ArrayInstanceImp::hasPropertyByIndex(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keywordtype">unsigned</span> index)<span class="keyword"> const</span>
<a name="l00174"></a>00174 <span class="keyword"></span>{
<a name="l00175"></a>00175 <span class="keywordflow">if</span> (index > MAX_INDEX)
<a name="l00176"></a>00176 <span class="keywordflow">return</span> ObjectImp::hasProperty(exec, Identifier::from(index));
<a name="l00177"></a>00177 <span class="keywordflow">if</span> (index >= length)
<a name="l00178"></a>00178 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00179"></a>00179 <span class="keywordflow">if</span> (index < storageLength) {
<a name="l00180"></a>00180 <a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *v = storage[index];
<a name="l00181"></a>00181 <span class="keywordflow">return</span> v && v != UndefinedImp::staticUndefined;
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="keywordflow">return</span> ObjectImp::hasProperty(exec, Identifier::from(index));
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="keywordtype">bool</span> ArrayInstanceImp::deleteProperty(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> &propertyName)
<a name="l00188"></a>00188 {
<a name="l00189"></a>00189 <span class="keywordflow">if</span> (propertyName == lengthPropertyName)
<a name="l00190"></a>00190 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00191"></a>00191
<a name="l00192"></a>00192 <span class="keywordtype">bool</span> ok;
<a name="l00193"></a>00193 <span class="keywordtype">unsigned</span> index = propertyName.toArrayIndex(&ok);
<a name="l00194"></a>00194 <span class="keywordflow">if</span> (ok) {
<a name="l00195"></a>00195 <span class="keywordflow">if</span> (index >= length)
<a name="l00196"></a>00196 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00197"></a>00197 <span class="keywordflow">if</span> (index < storageLength) {
<a name="l00198"></a>00198 storage[index] = 0;
<a name="l00199"></a>00199 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="keywordflow">return</span> ObjectImp::deleteProperty(exec, propertyName);
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205
<a name="l00206"></a>00206 <span class="keywordtype">bool</span> ArrayInstanceImp::deletePropertyByIndex(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keywordtype">unsigned</span> index)
<a name="l00207"></a>00207 {
<a name="l00208"></a>00208 <span class="keywordflow">if</span> (index > MAX_INDEX)
<a name="l00209"></a>00209 <span class="keywordflow">return</span> ObjectImp::deleteProperty(exec, Identifier::from(index));
<a name="l00210"></a>00210 <span class="keywordflow">if</span> (index >= length)
<a name="l00211"></a>00211 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00212"></a>00212 <span class="keywordflow">if</span> (index < storageLength) {
<a name="l00213"></a>00213 storage[index] = 0;
<a name="l00214"></a>00214 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216
<a name="l00217"></a>00217 <span class="keywordflow">return</span> ObjectImp::deleteProperty(exec, Identifier::from(index));
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219
<a name="l00220"></a>00220 <a class="code" href="classKJS_1_1ReferenceList.html" title="A list of Reference objects.">ReferenceList</a> ArrayInstanceImp::propList(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keywordtype">bool</span> recursive)
<a name="l00221"></a>00221 {
<a name="l00222"></a>00222 <a class="code" href="classKJS_1_1ReferenceList.html" title="A list of Reference objects.">ReferenceList</a> properties = ObjectImp::propList(exec,recursive);
<a name="l00223"></a>00223
<a name="l00224"></a>00224 <span class="comment">// avoid fetching this every time through the loop</span>
<a name="l00225"></a>00225 <a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *undefined = UndefinedImp::staticUndefined;
<a name="l00226"></a>00226
<a name="l00227"></a>00227 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < storageLength; ++i) {
<a name="l00228"></a>00228 <a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *imp = storage[i];
<a name="l00229"></a>00229 <span class="keywordflow">if</span> (imp && imp != undefined && !ObjectImp::hasProperty(exec,Identifier::from(i))) {
<a name="l00230"></a>00230 properties.append(<a class="code" href="classKJS_1_1Reference.html" title="Defines a Javascript reference.">Reference</a>(<span class="keyword">this</span>, i));
<a name="l00231"></a>00231 }
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233 <span class="keywordflow">return</span> properties;
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235
<a name="l00236"></a>00236 <span class="keywordtype">void</span> ArrayInstanceImp::resizeStorage(<span class="keywordtype">unsigned</span> newLength)
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 <span class="keywordflow">if</span> (newLength < storageLength) {
<a name="l00239"></a>00239 memset(storage + newLength, 0, <span class="keyword">sizeof</span>(<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *) * (storageLength - newLength));
<a name="l00240"></a>00240 }
<a name="l00241"></a>00241 <span class="keywordflow">if</span> (newLength > capacity) {
<a name="l00242"></a>00242 <span class="keywordtype">unsigned</span> newCapacity;
<a name="l00243"></a>00243 <span class="keywordflow">if</span> (newLength > sparseArrayCutoff) {
<a name="l00244"></a>00244 newCapacity = newLength;
<a name="l00245"></a>00245 } <span class="keywordflow">else</span> {
<a name="l00246"></a>00246 newCapacity = (newLength * 3 + 1) / 2;
<a name="l00247"></a>00247 <span class="keywordflow">if</span> (newCapacity > sparseArrayCutoff) {
<a name="l00248"></a>00248 newCapacity = sparseArrayCutoff;
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250 }
<a name="l00251"></a>00251 storage = (<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> **)realloc(storage, newCapacity * <span class="keyword">sizeof</span> (<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *));
<a name="l00252"></a>00252 memset(storage + capacity, 0, <span class="keyword">sizeof</span>(<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *) * (newCapacity - capacity));
<a name="l00253"></a>00253 capacity = newCapacity;
<a name="l00254"></a>00254 }
<a name="l00255"></a>00255 storageLength = newLength;
<a name="l00256"></a>00256 }
<a name="l00257"></a>00257
<a name="l00258"></a>00258 <span class="keywordtype">void</span> ArrayInstanceImp::setLength(<span class="keywordtype">unsigned</span> newLength, <a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec)
<a name="l00259"></a>00259 {
<a name="l00260"></a>00260 <span class="keywordflow">if</span> (newLength <= storageLength) {
<a name="l00261"></a>00261 resizeStorage(newLength);
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="keywordflow">if</span> (newLength < length) {
<a name="l00265"></a>00265 <a class="code" href="classKJS_1_1ReferenceList.html" title="A list of Reference objects.">ReferenceList</a> sparseProperties;
<a name="l00266"></a>00266
<a name="l00267"></a>00267 _prop.addSparseArrayPropertiesToReferenceList(sparseProperties, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">this</span>));
<a name="l00268"></a>00268
<a name="l00269"></a>00269 <a class="code" href="classKJS_1_1ReferenceListIterator.html" title="An iterator for a ReferenceList.">ReferenceListIterator</a> it = sparseProperties.begin();
<a name="l00270"></a>00270 <span class="keywordflow">while</span> (it != sparseProperties.end()) {
<a name="l00271"></a>00271 <a class="code" href="classKJS_1_1Reference.html" title="Defines a Javascript reference.">Reference</a> ref = it++;
<a name="l00272"></a>00272 <span class="keywordtype">bool</span> ok;
<a name="l00273"></a>00273 <span class="keywordtype">unsigned</span> index = ref.<a class="code" href="classKJS_1_1Reference.html#af93ee43d7fedeb3437a3b2f23f7ad3a9" title="Performs the GetPropertyName type conversion operation on this value (ECMA 8.7)">getPropertyName</a>(exec).toArrayIndex(&ok);
<a name="l00274"></a>00274 <span class="keywordflow">if</span> (ok && index > newLength) {
<a name="l00275"></a>00275 ref.deleteValue(exec);
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277 }
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279
<a name="l00280"></a>00280 length = newLength;
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282
<a name="l00283"></a>00283 <span class="keywordtype">void</span> ArrayInstanceImp::mark()
<a name="l00284"></a>00284 {
<a name="l00285"></a>00285 ObjectImp::mark();
<a name="l00286"></a>00286 <span class="keywordtype">unsigned</span> l = storageLength;
<a name="l00287"></a>00287 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < l; ++i) {
<a name="l00288"></a>00288 <a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *imp = storage[i];
<a name="l00289"></a>00289 <span class="keywordflow">if</span> (imp && !imp->marked())
<a name="l00290"></a>00290 imp->mark();
<a name="l00291"></a>00291 }
<a name="l00292"></a>00292 }
<a name="l00293"></a>00293
<a name="l00294"></a>00294 <span class="keyword">static</span> <a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *execForCompareByStringForQSort;
<a name="l00295"></a>00295
<a name="l00296"></a>00296 <span class="keyword">static</span> <span class="keywordtype">int</span> compareByStringForQSort(<span class="keyword">const</span> <span class="keywordtype">void</span> *a, <span class="keyword">const</span> <span class="keywordtype">void</span> *b)
<a name="l00297"></a>00297 {
<a name="l00298"></a>00298 <a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec = execForCompareByStringForQSort;
<a name="l00299"></a>00299 <a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *va = *(<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> **)a;
<a name="l00300"></a>00300 <a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *vb = *(<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> **)b;
<a name="l00301"></a>00301 <span class="keywordflow">if</span> (va->dispatchType() == UndefinedType) {
<a name="l00302"></a>00302 <span class="keywordflow">return</span> vb->dispatchType() == UndefinedType ? 0 : 1;
<a name="l00303"></a>00303 }
<a name="l00304"></a>00304 <span class="keywordflow">if</span> (vb->dispatchType() == UndefinedType) {
<a name="l00305"></a>00305 <span class="keywordflow">return</span> -1;
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307 <span class="keywordflow">return</span> compare(va->dispatchToString(exec), vb->dispatchToString(exec));
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309
<a name="l00310"></a>00310 <span class="keywordtype">void</span> ArrayInstanceImp::sort(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec)
<a name="l00311"></a>00311 {
<a name="l00312"></a>00312 <span class="keywordtype">int</span> lengthNotIncludingUndefined = pushUndefinedObjectsToEnd(exec);
<a name="l00313"></a>00313
<a name="l00314"></a>00314 execForCompareByStringForQSort = exec;
<a name="l00315"></a>00315 qsort(storage, lengthNotIncludingUndefined, <span class="keyword">sizeof</span>(<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *), compareByStringForQSort);
<a name="l00316"></a>00316 execForCompareByStringForQSort = 0;
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318
<a name="l00319"></a>00319 <span class="keyword">namespace </span>KJS {
<a name="l00320"></a>00320
<a name="l00321"></a>00321 <span class="keyword">struct </span>CompareWithCompareFunctionArguments {
<a name="l00322"></a>00322 CompareWithCompareFunctionArguments(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *e, ObjectImp *cf)
<a name="l00323"></a>00323 : exec(e)
<a name="l00324"></a>00324 , compareFunction(cf)
<a name="l00325"></a>00325 , globalObject(e->dynamicInterpreter()->globalObject())
<a name="l00326"></a>00326 {
<a name="l00327"></a>00327 arguments.append(<a class="code" href="classKJS_1_1Undefined.html" title="Represents an primitive Undefined value.">Undefined</a>());
<a name="l00328"></a>00328 arguments.append(<a class="code" href="classKJS_1_1Undefined.html" title="Represents an primitive Undefined value.">Undefined</a>());
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec;
<a name="l00332"></a>00332 ObjectImp *compareFunction;
<a name="l00333"></a>00333 <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> arguments;
<a name="l00334"></a>00334 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> globalObject;
<a name="l00335"></a>00335 };
<a name="l00336"></a>00336
<a name="l00337"></a>00337 }
<a name="l00338"></a>00338
<a name="l00339"></a>00339 <span class="keyword">static</span> CompareWithCompareFunctionArguments *compareWithCompareFunctionArguments;
<a name="l00340"></a>00340
<a name="l00341"></a>00341 <span class="keyword">static</span> <span class="keywordtype">int</span> compareWithCompareFunctionForQSort(<span class="keyword">const</span> <span class="keywordtype">void</span> *a, <span class="keyword">const</span> <span class="keywordtype">void</span> *b)
<a name="l00342"></a>00342 {
<a name="l00343"></a>00343 CompareWithCompareFunctionArguments *args = compareWithCompareFunctionArguments;
<a name="l00344"></a>00344
<a name="l00345"></a>00345 <a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *va = *(<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> **)a;
<a name="l00346"></a>00346 <a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *vb = *(<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> **)b;
<a name="l00347"></a>00347 <span class="keywordflow">if</span> (va->dispatchType() == UndefinedType) {
<a name="l00348"></a>00348 <span class="keywordflow">return</span> vb->dispatchType() == UndefinedType ? 0 : 1;
<a name="l00349"></a>00349 }
<a name="l00350"></a>00350 <span class="keywordflow">if</span> (vb->dispatchType() == UndefinedType) {
<a name="l00351"></a>00351 <span class="keywordflow">return</span> -1;
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353
<a name="l00354"></a>00354 args->arguments.clear();
<a name="l00355"></a>00355 args->arguments.append(va);
<a name="l00356"></a>00356 args->arguments.append(vb);
<a name="l00357"></a>00357 <span class="keywordtype">double</span> compareResult = args->compareFunction->call
<a name="l00358"></a>00358 (args->exec, args->globalObject, args->arguments).toNumber(args->exec);
<a name="l00359"></a>00359 <span class="keywordflow">return</span> compareResult < 0 ? -1 : compareResult > 0 ? 1 : 0;
<a name="l00360"></a>00360 }
<a name="l00361"></a>00361
<a name="l00362"></a>00362 <span class="keywordtype">void</span> ArrayInstanceImp::sort(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &compareFunction)
<a name="l00363"></a>00363 {
<a name="l00364"></a>00364 <span class="keywordtype">int</span> lengthNotIncludingUndefined = pushUndefinedObjectsToEnd(exec);
<a name="l00365"></a>00365
<a name="l00366"></a>00366 CompareWithCompareFunctionArguments args(exec, compareFunction.imp());
<a name="l00367"></a>00367 compareWithCompareFunctionArguments = &args;
<a name="l00368"></a>00368 qsort(storage, lengthNotIncludingUndefined, <span class="keyword">sizeof</span>(<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *), compareWithCompareFunctionForQSort);
<a name="l00369"></a>00369 compareWithCompareFunctionArguments = 0;
<a name="l00370"></a>00370 }
<a name="l00371"></a>00371
<a name="l00372"></a>00372 <span class="keywordtype">unsigned</span> ArrayInstanceImp::pushUndefinedObjectsToEnd(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec)
<a name="l00373"></a>00373 {
<a name="l00374"></a>00374 <a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *undefined = UndefinedImp::staticUndefined;
<a name="l00375"></a>00375
<a name="l00376"></a>00376 <span class="keywordtype">unsigned</span> o = 0;
<a name="l00377"></a>00377
<a name="l00378"></a>00378 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i != storageLength; ++i) {
<a name="l00379"></a>00379 <a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *v = storage[i];
<a name="l00380"></a>00380 <span class="keywordflow">if</span> (v && v != undefined) {
<a name="l00381"></a>00381 <span class="keywordflow">if</span> (o != i)
<a name="l00382"></a>00382 storage[o] = v;
<a name="l00383"></a>00383 o++;
<a name="l00384"></a>00384 }
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386
<a name="l00387"></a>00387 <a class="code" href="classKJS_1_1ReferenceList.html" title="A list of Reference objects.">ReferenceList</a> sparseProperties;
<a name="l00388"></a>00388 _prop.addSparseArrayPropertiesToReferenceList(sparseProperties, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">this</span>));
<a name="l00389"></a>00389 <span class="keywordtype">unsigned</span> newLength = o + sparseProperties.length();
<a name="l00390"></a>00390
<a name="l00391"></a>00391 <span class="keywordflow">if</span> (newLength > storageLength) {
<a name="l00392"></a>00392 resizeStorage(newLength);
<a name="l00393"></a>00393 }
<a name="l00394"></a>00394
<a name="l00395"></a>00395 <a class="code" href="classKJS_1_1ReferenceListIterator.html" title="An iterator for a ReferenceList.">ReferenceListIterator</a> it = sparseProperties.begin();
<a name="l00396"></a>00396 <span class="keywordflow">while</span> (it != sparseProperties.end()) {
<a name="l00397"></a>00397 <a class="code" href="classKJS_1_1Reference.html" title="Defines a Javascript reference.">Reference</a> ref = it++;
<a name="l00398"></a>00398 storage[o] = ref.<a class="code" href="classKJS_1_1Reference.html#a0b221dd9c9eb8681f49adf852402dfb0" title="Performs the GetValue type conversion operation on this value (ECMA 8.7.1)">getValue</a>(exec).imp();
<a name="l00399"></a>00399 ObjectImp::deleteProperty(exec, ref.<a class="code" href="classKJS_1_1Reference.html#af93ee43d7fedeb3437a3b2f23f7ad3a9" title="Performs the GetPropertyName type conversion operation on this value (ECMA 8.7)">getPropertyName</a>(exec));
<a name="l00400"></a>00400 o++;
<a name="l00401"></a>00401 }
<a name="l00402"></a>00402
<a name="l00403"></a>00403 <span class="keywordflow">if</span> (newLength != storageLength)
<a name="l00404"></a>00404 memset(storage + o, 0, <span class="keyword">sizeof</span>(<a class="code" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> *) * (storageLength - o));
<a name="l00405"></a>00405
<a name="l00406"></a>00406 <span class="keywordflow">return</span> o;
<a name="l00407"></a>00407 }
<a name="l00408"></a>00408
<a name="l00409"></a>00409 <span class="comment">// ------------------------------ ArrayPrototypeImp ----------------------------</span>
<a name="l00410"></a>00410
<a name="l00411"></a>00411 <span class="keyword">const</span> <a class="code" href="structKJS_1_1ClassInfo.html" title="Class Information.">ClassInfo</a> ArrayPrototypeImp::info = {<span class="stringliteral">"Array"</span>, &ArrayInstanceImp::info, &arrayTable, 0};
<a name="l00412"></a>00412
<a name="l00413"></a>00413 <span class="comment">/* Source for array_object.lut.h</span>
<a name="l00414"></a>00414 <span class="comment">@begin arrayTable 17</span>
<a name="l00415"></a>00415 <span class="comment"> toString ArrayProtoFuncImp::ToString DontEnum|Function 0</span>
<a name="l00416"></a>00416 <span class="comment"> toLocaleString ArrayProtoFuncImp::ToLocaleString DontEnum|Function 0</span>
<a name="l00417"></a>00417 <span class="comment"> concat ArrayProtoFuncImp::Concat DontEnum|Function 1</span>
<a name="l00418"></a>00418 <span class="comment"> join ArrayProtoFuncImp::Join DontEnum|Function 1</span>
<a name="l00419"></a>00419 <span class="comment"> pop ArrayProtoFuncImp::Pop DontEnum|Function 0</span>
<a name="l00420"></a>00420 <span class="comment"> push ArrayProtoFuncImp::Push DontEnum|Function 1</span>
<a name="l00421"></a>00421 <span class="comment"> reverse ArrayProtoFuncImp::Reverse DontEnum|Function 0</span>
<a name="l00422"></a>00422 <span class="comment"> shift ArrayProtoFuncImp::Shift DontEnum|Function 0</span>
<a name="l00423"></a>00423 <span class="comment"> slice ArrayProtoFuncImp::Slice DontEnum|Function 2</span>
<a name="l00424"></a>00424 <span class="comment"> sort ArrayProtoFuncImp::Sort DontEnum|Function 1</span>
<a name="l00425"></a>00425 <span class="comment"> splice ArrayProtoFuncImp::Splice DontEnum|Function 2</span>
<a name="l00426"></a>00426 <span class="comment"> unshift ArrayProtoFuncImp::UnShift DontEnum|Function 1</span>
<a name="l00427"></a>00427 <span class="comment">@end</span>
<a name="l00428"></a>00428 <span class="comment">*/</span>
<a name="l00429"></a>00429
<a name="l00430"></a>00430 <span class="comment">// ECMA 15.4.4</span>
<a name="l00431"></a>00431 ArrayPrototypeImp::ArrayPrototypeImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *<span class="comment">/*exec*/</span>,
<a name="l00432"></a>00432 ObjectPrototypeImp *objProto)
<a name="l00433"></a>00433 : ArrayInstanceImp(objProto, 0)
<a name="l00434"></a>00434 {
<a name="l00435"></a>00435 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00436"></a>00436 setInternalValue(<a class="code" href="classKJS_1_1Null.html" title="Represents an primitive Null value.">Null</a>());
<a name="l00437"></a>00437 }
<a name="l00438"></a>00438
<a name="l00439"></a>00439 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> ArrayPrototypeImp::get(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> &propertyName)<span class="keyword"> const</span>
<a name="l00440"></a>00440 <span class="keyword"></span>{
<a name="l00441"></a>00441 <span class="comment">//fprintf( stderr, "ArrayPrototypeImp::get(%s)\n", propertyName.ascii() );</span>
<a name="l00442"></a>00442 <span class="keywordflow">return</span> lookupGetFunction<ArrayProtoFuncImp, ArrayInstanceImp>( exec, propertyName, &arrayTable, this );
<a name="l00443"></a>00443 }
<a name="l00444"></a>00444
<a name="l00445"></a>00445 <span class="comment">// ------------------------------ ArrayProtoFuncImp ----------------------------</span>
<a name="l00446"></a>00446
<a name="l00447"></a>00447 ArrayProtoFuncImp::ArrayProtoFuncImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keywordtype">int</span> i, <span class="keywordtype">int</span> len)
<a name="l00448"></a>00448 : <a class="code" href="classKJS_1_1InternalFunctionImp.html" title="Base class for all function objects.">InternalFunctionImp</a>(
<a name="l00449"></a>00449 static_cast<<a class="code" href="classKJS_1_1FunctionPrototypeImp.html" title="The initial value of Function.prototype (and thus all objects created with the Function constructor)...">FunctionPrototypeImp</a>*>(exec->lexicalInterpreter()->builtinFunctionPrototype().imp())
<a name="l00450"></a>00450 ), id(i)
<a name="l00451"></a>00451 {
<a name="l00452"></a>00452 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00453"></a>00453 put(exec,lengthPropertyName,<a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(len),DontDelete|ReadOnly|DontEnum);
<a name="l00454"></a>00454 }
<a name="l00455"></a>00455
<a name="l00456"></a>00456 <span class="keywordtype">bool</span> ArrayProtoFuncImp::implementsCall()<span class="keyword"> const</span>
<a name="l00457"></a>00457 <span class="keyword"></span>{
<a name="l00458"></a>00458 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00459"></a>00459 }
<a name="l00460"></a>00460
<a name="l00461"></a>00461 <span class="comment">// ECMA 15.4.4</span>
<a name="l00462"></a>00462 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> ArrayProtoFuncImp::call(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &thisObj, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args)
<a name="l00463"></a>00463 {
<a name="l00464"></a>00464 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec,lengthPropertyName).<a class="code" href="classKJS_1_1Value.html#a6aee2e9f36bd37afdfb2f0678f8cf69e" title="Performs the ToUInt32 type conversion operation on this value (ECMA 9.6)">toUInt32</a>(exec);
<a name="l00465"></a>00465
<a name="l00466"></a>00466 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> result;
<a name="l00467"></a>00467 <span class="keywordflow">switch</span> (<span class="keywordtype">id</span>) {
<a name="l00468"></a>00468 <span class="keywordflow">case</span> ToLocaleString:
<a name="l00469"></a>00469 <span class="keywordflow">case</span> ToString:
<a name="l00470"></a>00470
<a name="l00471"></a>00471 <span class="keywordflow">if</span> (!thisObj.inherits(&ArrayInstanceImp::info)) {
<a name="l00472"></a>00472 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> err = Error::create(exec,TypeError);
<a name="l00473"></a>00473 exec->setException(err);
<a name="l00474"></a>00474 <span class="keywordflow">return</span> err;
<a name="l00475"></a>00475 }
<a name="l00476"></a>00476
<a name="l00477"></a>00477 <span class="comment">// fall through</span>
<a name="l00478"></a>00478 <span class="keywordflow">case</span> Join: {
<a name="l00479"></a>00479 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> separator = <span class="stringliteral">","</span>;
<a name="l00480"></a>00480 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> str = <span class="stringliteral">""</span>;
<a name="l00481"></a>00481
<a name="l00482"></a>00482 <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == Join && args.<a class="code" href="classKJS_1_1List.html#a69835b1e6671235343b0a17923b92c43">size</a>() > 0 && !args[0].isA(UndefinedType))
<a name="l00483"></a>00483 separator = args[0].toString(exec);
<a name="l00484"></a>00484 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k = 0; k < length; k++) {
<a name="l00485"></a>00485 <span class="keywordflow">if</span> (k >= 1)
<a name="l00486"></a>00486 str += separator;
<a name="l00487"></a>00487
<a name="l00488"></a>00488 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> element = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, k);
<a name="l00489"></a>00489 <span class="keywordflow">if</span> (element.<a class="code" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657" title="Returns the type of value.">type</a>() == UndefinedType || element.<a class="code" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657" title="Returns the type of value.">type</a>() == NullType)
<a name="l00490"></a>00490 <span class="keywordflow">continue</span>;
<a name="l00491"></a>00491
<a name="l00492"></a>00492 <span class="keywordtype">bool</span> fallback = <span class="keyword">false</span>;
<a name="l00493"></a>00493 <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == ToLocaleString) {
<a name="l00494"></a>00494 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> o = element.<a class="code" href="classKJS_1_1Value.html#a072d956ce72fd1387bacb27dc466239d" title="Performs the ToObject type conversion operation on this value (ECMA 9.9)">toObject</a>(exec);
<a name="l00495"></a>00495 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> conversionFunction =
<a name="l00496"></a>00496 Object::dynamicCast(o.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, toLocaleStringPropertyName));
<a name="l00497"></a>00497 <span class="keywordflow">if</span> (conversionFunction.<a class="code" href="classKJS_1_1Value.html#acd8509ab6b7622c16fdf021803fdd2cb" title="Returns whether or not this is a valid value.">isValid</a>() &&
<a name="l00498"></a>00498 conversionFunction.<a class="code" href="classKJS_1_1Object.html#a7c08a913629973d9eddf5b7f53ef5200" title="Whether or not the object implements the call() method.">implementsCall</a>()) {
<a name="l00499"></a>00499 str += conversionFunction.<a class="code" href="classKJS_1_1Object.html#ab07be3e90ba2ba8352a9609cc4ac703c" title="Calls this object as if it is a function.">call</a>(exec, o, <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a>()).<a class="code" href="classKJS_1_1Value.html#a8611b80d868cebf8dd4af2f966810874" title="Performs the ToString type conversion operation on this value (ECMA 9.8)">toString</a>(exec);
<a name="l00500"></a>00500 } <span class="keywordflow">else</span> {
<a name="l00501"></a>00501 <span class="comment">// try toString() fallback</span>
<a name="l00502"></a>00502 fallback = <span class="keyword">true</span>;
<a name="l00503"></a>00503 }
<a name="l00504"></a>00504 }
<a name="l00505"></a>00505 <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == ToString || <span class="keywordtype">id</span> == Join || fallback) {
<a name="l00506"></a>00506 <span class="keywordflow">if</span> (element.<a class="code" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657" title="Returns the type of value.">type</a>() == ObjectType) {
<a name="l00507"></a>00507 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> o = Object::dynamicCast(element);
<a name="l00508"></a>00508 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> conversionFunction =
<a name="l00509"></a>00509 Object::dynamicCast(o.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, toStringPropertyName));
<a name="l00510"></a>00510 <span class="keywordflow">if</span> (conversionFunction.<a class="code" href="classKJS_1_1Value.html#acd8509ab6b7622c16fdf021803fdd2cb" title="Returns whether or not this is a valid value.">isValid</a>() &&
<a name="l00511"></a>00511 conversionFunction.<a class="code" href="classKJS_1_1Object.html#a7c08a913629973d9eddf5b7f53ef5200" title="Whether or not the object implements the call() method.">implementsCall</a>()) {
<a name="l00512"></a>00512 str += conversionFunction.<a class="code" href="classKJS_1_1Object.html#ab07be3e90ba2ba8352a9609cc4ac703c" title="Calls this object as if it is a function.">call</a>(exec, o, <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a>()).<a class="code" href="classKJS_1_1Value.html#a8611b80d868cebf8dd4af2f966810874" title="Performs the ToString type conversion operation on this value (ECMA 9.8)">toString</a>(exec);
<a name="l00513"></a>00513 } <span class="keywordflow">else</span> {
<a name="l00514"></a>00514 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> msg = <span class="stringliteral">"Can't convert "</span> + o.<a class="code" href="classKJS_1_1Object.html#a17276492a78bac1b2a6f777d6dc819a3" title="Returns the class name of the object.">className</a>() +
<a name="l00515"></a>00515 <span class="stringliteral">" object to string"</span>;
<a name="l00516"></a>00516 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> error = Error::create(exec, RangeError,
<a name="l00517"></a>00517 msg.<a class="code" href="classKJS_1_1UString.html#a8698c19cee7a6ac284cedcc213a16149">cstring</a>().c_str());
<a name="l00518"></a>00518 exec->setException(error);
<a name="l00519"></a>00519 <span class="keywordflow">return</span> error;
<a name="l00520"></a>00520 }
<a name="l00521"></a>00521 } <span class="keywordflow">else</span> {
<a name="l00522"></a>00522 str += element.<a class="code" href="classKJS_1_1Value.html#a8611b80d868cebf8dd4af2f966810874" title="Performs the ToString type conversion operation on this value (ECMA 9.8)">toString</a>(exec);
<a name="l00523"></a>00523 }
<a name="l00524"></a>00524 }
<a name="l00525"></a>00525 <span class="keywordflow">if</span> ( exec->hadException() )
<a name="l00526"></a>00526 <span class="keywordflow">break</span>;
<a name="l00527"></a>00527 }
<a name="l00528"></a>00528 result = <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(str);
<a name="l00529"></a>00529 <span class="keywordflow">break</span>;
<a name="l00530"></a>00530 }
<a name="l00531"></a>00531 <span class="keywordflow">case</span> Concat: {
<a name="l00532"></a>00532 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> arr = Object::dynamicCast(exec-><a class="code" href="classKJS_1_1ExecState.html#af210e5fad440d91a939e71ccb2bf6be7" title="Returns the interpreter associated with the current scope's global object.">lexicalInterpreter</a>()-><a class="code" href="classKJS_1_1Interpreter.html#a2f7e9fc6cb4e1e10f7b001cb7729d023" title="Returns the builtin "Array" object.">builtinArray</a>().<a class="code" href="classKJS_1_1Object.html#a85a7d585cbaeaef5bff34676bb748cc7" title="Creates a new object based on this object.">construct</a>(exec,List::empty()));
<a name="l00533"></a>00533 <span class="keywordtype">int</span> n = 0;
<a name="l00534"></a>00534 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> curArg = thisObj;
<a name="l00535"></a>00535 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> curObj = Object::dynamicCast(thisObj);
<a name="l00536"></a>00536 <a class="code" href="classKJS_1_1ListIterator.html" title="Iterator for KJS::List objects.">ListIterator</a> it = args.<a class="code" href="classKJS_1_1List.html#a28eebc11fbb2305edecf29f25a06f77e">begin</a>();
<a name="l00537"></a>00537 <span class="keywordflow">for</span> (;;) {
<a name="l00538"></a>00538 <span class="keywordflow">if</span> (curArg.<a class="code" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657" title="Returns the type of value.">type</a>() == ObjectType &&
<a name="l00539"></a>00539 curObj.inherits(&ArrayInstanceImp::info)) {
<a name="l00540"></a>00540 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k = 0;
<a name="l00541"></a>00541 <span class="comment">// Older versions tried to optimize out getting the length of thisObj</span>
<a name="l00542"></a>00542 <span class="comment">// by checking for n != 0, but that doesn't work if thisObj is an empty array.</span>
<a name="l00543"></a>00543 length = curObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec,lengthPropertyName).<a class="code" href="classKJS_1_1Value.html#a6aee2e9f36bd37afdfb2f0678f8cf69e" title="Performs the ToUInt32 type conversion operation on this value (ECMA 9.6)">toUInt32</a>(exec);
<a name="l00544"></a>00544 <span class="keywordflow">while</span> (k < length) {
<a name="l00545"></a>00545 <span class="keywordflow">if</span> (curObj.<a class="code" href="classKJS_1_1Object.html#a8c0f1def86d09e32d8df1e27c3201922" title="Checks to see whether the object (or any object in it's prototype chain) has a property with the spec...">hasProperty</a>(exec,k))
<a name="l00546"></a>00546 arr.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, n, curObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, k));
<a name="l00547"></a>00547 n++;
<a name="l00548"></a>00548 k++;
<a name="l00549"></a>00549 }
<a name="l00550"></a>00550 } <span class="keywordflow">else</span> {
<a name="l00551"></a>00551 arr.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, n, curArg);
<a name="l00552"></a>00552 n++;
<a name="l00553"></a>00553 }
<a name="l00554"></a>00554 <span class="keywordflow">if</span> (it == args.<a class="code" href="classKJS_1_1List.html#a88437e0b6b561b1d4621fb793ad9c018">end</a>())
<a name="l00555"></a>00555 <span class="keywordflow">break</span>;
<a name="l00556"></a>00556 curArg = *it;
<a name="l00557"></a>00557 curObj = Object::dynamicCast(it++); <span class="comment">// may be 0</span>
<a name="l00558"></a>00558 }
<a name="l00559"></a>00559 arr.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec,lengthPropertyName, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(n), DontEnum | DontDelete);
<a name="l00560"></a>00560
<a name="l00561"></a>00561 result = arr;
<a name="l00562"></a>00562 <span class="keywordflow">break</span>;
<a name="l00563"></a>00563 }
<a name="l00564"></a>00564 <span class="keywordflow">case</span> Pop:{
<a name="l00565"></a>00565 <span class="keywordflow">if</span> (length == 0) {
<a name="l00566"></a>00566 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, lengthPropertyName, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(length), DontEnum | DontDelete);
<a name="l00567"></a>00567 result = <a class="code" href="classKJS_1_1Undefined.html" title="Represents an primitive Undefined value.">Undefined</a>();
<a name="l00568"></a>00568 } <span class="keywordflow">else</span> {
<a name="l00569"></a>00569 result = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, length - 1);
<a name="l00570"></a>00570 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, lengthPropertyName, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(length - 1), DontEnum | DontDelete);
<a name="l00571"></a>00571 }
<a name="l00572"></a>00572 <span class="keywordflow">break</span>;
<a name="l00573"></a>00573 }
<a name="l00574"></a>00574 <span class="keywordflow">case</span> Push: {
<a name="l00575"></a>00575 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> n = 0; n < args.<a class="code" href="classKJS_1_1List.html#a69835b1e6671235343b0a17923b92c43">size</a>(); n++)
<a name="l00576"></a>00576 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, length + n, args[n]);
<a name="l00577"></a>00577 length += args.<a class="code" href="classKJS_1_1List.html#a69835b1e6671235343b0a17923b92c43">size</a>();
<a name="l00578"></a>00578 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec,lengthPropertyName, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(length), DontEnum | DontDelete);
<a name="l00579"></a>00579 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(length);
<a name="l00580"></a>00580 <span class="keywordflow">break</span>;
<a name="l00581"></a>00581 }
<a name="l00582"></a>00582 <span class="keywordflow">case</span> Reverse: {
<a name="l00583"></a>00583
<a name="l00584"></a>00584 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> middle = length / 2;
<a name="l00585"></a>00585
<a name="l00586"></a>00586 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k = 0; k < middle; k++) {
<a name="l00587"></a>00587 <span class="keywordtype">unsigned</span> lk1 = length - k - 1;
<a name="l00588"></a>00588 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> obj = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec,k);
<a name="l00589"></a>00589 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> obj2 = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec,lk1);
<a name="l00590"></a>00590 <span class="keywordflow">if</span> (thisObj.<a class="code" href="classKJS_1_1Object.html#a8c0f1def86d09e32d8df1e27c3201922" title="Checks to see whether the object (or any object in it's prototype chain) has a property with the spec...">hasProperty</a>(exec,lk1)) {
<a name="l00591"></a>00591 <span class="keywordflow">if</span> (thisObj.<a class="code" href="classKJS_1_1Object.html#a8c0f1def86d09e32d8df1e27c3201922" title="Checks to see whether the object (or any object in it's prototype chain) has a property with the spec...">hasProperty</a>(exec,k)) {
<a name="l00592"></a>00592 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, k, obj2);
<a name="l00593"></a>00593 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, lk1, obj);
<a name="l00594"></a>00594 } <span class="keywordflow">else</span> {
<a name="l00595"></a>00595 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, k, obj2);
<a name="l00596"></a>00596 thisObj.<a class="code" href="classKJS_1_1Object.html#a2d640f4d38e26af206e47723db28bd90" title="Removes the specified property from the object.">deleteProperty</a>(exec, lk1);
<a name="l00597"></a>00597 }
<a name="l00598"></a>00598 } <span class="keywordflow">else</span> {
<a name="l00599"></a>00599 <span class="keywordflow">if</span> (thisObj.<a class="code" href="classKJS_1_1Object.html#a8c0f1def86d09e32d8df1e27c3201922" title="Checks to see whether the object (or any object in it's prototype chain) has a property with the spec...">hasProperty</a>(exec, k)) {
<a name="l00600"></a>00600 thisObj.<a class="code" href="classKJS_1_1Object.html#a2d640f4d38e26af206e47723db28bd90" title="Removes the specified property from the object.">deleteProperty</a>(exec, k);
<a name="l00601"></a>00601 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, lk1, obj);
<a name="l00602"></a>00602 } <span class="keywordflow">else</span> {
<a name="l00603"></a>00603 <span class="comment">// why delete something that's not there ? Strange.</span>
<a name="l00604"></a>00604 thisObj.<a class="code" href="classKJS_1_1Object.html#a2d640f4d38e26af206e47723db28bd90" title="Removes the specified property from the object.">deleteProperty</a>(exec, k);
<a name="l00605"></a>00605 thisObj.<a class="code" href="classKJS_1_1Object.html#a2d640f4d38e26af206e47723db28bd90" title="Removes the specified property from the object.">deleteProperty</a>(exec, lk1);
<a name="l00606"></a>00606 }
<a name="l00607"></a>00607 }
<a name="l00608"></a>00608 }
<a name="l00609"></a>00609 result = thisObj;
<a name="l00610"></a>00610 <span class="keywordflow">break</span>;
<a name="l00611"></a>00611 }
<a name="l00612"></a>00612 <span class="keywordflow">case</span> Shift: {
<a name="l00613"></a>00613 <span class="keywordflow">if</span> (length == 0) {
<a name="l00614"></a>00614 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, lengthPropertyName, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(length), DontEnum | DontDelete);
<a name="l00615"></a>00615 result = <a class="code" href="classKJS_1_1Undefined.html" title="Represents an primitive Undefined value.">Undefined</a>();
<a name="l00616"></a>00616 } <span class="keywordflow">else</span> {
<a name="l00617"></a>00617 result = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, 0);
<a name="l00618"></a>00618 <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k = 1; k < length; k++) {
<a name="l00619"></a>00619 <span class="keywordflow">if</span> (thisObj.<a class="code" href="classKJS_1_1Object.html#a8c0f1def86d09e32d8df1e27c3201922" title="Checks to see whether the object (or any object in it's prototype chain) has a property with the spec...">hasProperty</a>(exec, k)) {
<a name="l00620"></a>00620 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> obj = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, k);
<a name="l00621"></a>00621 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, k-1, obj);
<a name="l00622"></a>00622 } <span class="keywordflow">else</span>
<a name="l00623"></a>00623 thisObj.<a class="code" href="classKJS_1_1Object.html#a2d640f4d38e26af206e47723db28bd90" title="Removes the specified property from the object.">deleteProperty</a>(exec, k-1);
<a name="l00624"></a>00624 }
<a name="l00625"></a>00625 thisObj.<a class="code" href="classKJS_1_1Object.html#a2d640f4d38e26af206e47723db28bd90" title="Removes the specified property from the object.">deleteProperty</a>(exec, length - 1);
<a name="l00626"></a>00626 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, lengthPropertyName, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(length - 1), DontEnum | DontDelete);
<a name="l00627"></a>00627 }
<a name="l00628"></a>00628 <span class="keywordflow">break</span>;
<a name="l00629"></a>00629 }
<a name="l00630"></a>00630 <span class="keywordflow">case</span> Slice: {
<a name="l00631"></a>00631 <span class="comment">// http://developer.netscape.com/docs/manuals/js/client/jsref/array.htm#1193713 or 15.4.4.10</span>
<a name="l00632"></a>00632
<a name="l00633"></a>00633 <span class="comment">// We return a new array</span>
<a name="l00634"></a>00634 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> resObj = Object::dynamicCast(exec-><a class="code" href="classKJS_1_1ExecState.html#af210e5fad440d91a939e71ccb2bf6be7" title="Returns the interpreter associated with the current scope's global object.">lexicalInterpreter</a>()-><a class="code" href="classKJS_1_1Interpreter.html#a2f7e9fc6cb4e1e10f7b001cb7729d023" title="Returns the builtin "Array" object.">builtinArray</a>().<a class="code" href="classKJS_1_1Object.html#a85a7d585cbaeaef5bff34676bb748cc7" title="Creates a new object based on this object.">construct</a>(exec,List::empty()));
<a name="l00635"></a>00635 result = resObj;
<a name="l00636"></a>00636 <span class="keywordtype">int</span> begin = 0;
<a name="l00637"></a>00637 <span class="keywordflow">if</span> (args[0].type() != UndefinedType) {
<a name="l00638"></a>00638 begin = args[0].toInteger(exec);
<a name="l00639"></a>00639 <span class="keywordflow">if</span> ( begin < 0 )
<a name="l00640"></a>00640 begin = maxInt( begin + length, 0 );
<a name="l00641"></a>00641 <span class="keywordflow">else</span>
<a name="l00642"></a>00642 begin = minInt( begin, length );
<a name="l00643"></a>00643 }
<a name="l00644"></a>00644 <span class="keywordtype">int</span> <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/namespaceKStdAccel.html#a8407902cbc74699e1a95168fee54c827">end</a> = length;
<a name="l00645"></a>00645 <span class="keywordflow">if</span> (args[1].type() != UndefinedType)
<a name="l00646"></a>00646 {
<a name="l00647"></a>00647 end = args[1].toInteger(exec);
<a name="l00648"></a>00648 <span class="keywordflow">if</span> ( end < 0 )
<a name="l00649"></a>00649 end = maxInt( end + length, 0 );
<a name="l00650"></a>00650 <span class="keywordflow">else</span>
<a name="l00651"></a>00651 end = minInt( end, length );
<a name="l00652"></a>00652 }
<a name="l00653"></a>00653
<a name="l00654"></a>00654 <span class="comment">//printf( "Slicing from %d to %d \n", begin, end );</span>
<a name="l00655"></a>00655 <span class="keywordtype">int</span> n = 0;
<a name="l00656"></a>00656 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> k = begin; k < end; k++, n++) {
<a name="l00657"></a>00657 <span class="keywordflow">if</span> (thisObj.<a class="code" href="classKJS_1_1Object.html#a8c0f1def86d09e32d8df1e27c3201922" title="Checks to see whether the object (or any object in it's prototype chain) has a property with the spec...">hasProperty</a>(exec, k)) {
<a name="l00658"></a>00658 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> obj = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, k);
<a name="l00659"></a>00659 resObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, n, obj);
<a name="l00660"></a>00660 }
<a name="l00661"></a>00661 }
<a name="l00662"></a>00662 resObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, lengthPropertyName, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(n), DontEnum | DontDelete);
<a name="l00663"></a>00663 <span class="keywordflow">break</span>;
<a name="l00664"></a>00664 }
<a name="l00665"></a>00665 <span class="keywordflow">case</span> Sort:{
<a name="l00666"></a>00666 <span class="preprocessor">#if 0</span>
<a name="l00667"></a>00667 <span class="preprocessor"></span> printf(<span class="stringliteral">"KJS Array::Sort length=%d\n"</span>, length);
<a name="l00668"></a>00668 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0 ; i<length ; ++i )
<a name="l00669"></a>00669 printf(<span class="stringliteral">"KJS Array::Sort: %d: %s\n"</span>, i, thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, i).<a class="code" href="classKJS_1_1Value.html#a8611b80d868cebf8dd4af2f966810874" title="Performs the ToString type conversion operation on this value (ECMA 9.8)">toString</a>(exec).<a class="code" href="classKJS_1_1UString.html#a2ac3d2b62d65d075f2d99bf7ed2ec366" title="Convert the Unicode string to plain ASCII chars chopping of any higher bytes.">ascii</a>() );
<a name="l00670"></a>00670 <span class="preprocessor">#endif</span>
<a name="l00671"></a>00671 <span class="preprocessor"></span> <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> sortFunction;
<a name="l00672"></a>00672 <span class="keywordtype">bool</span> useSortFunction = (args[0].type() != UndefinedType);
<a name="l00673"></a>00673 <span class="keywordflow">if</span> (useSortFunction)
<a name="l00674"></a>00674 {
<a name="l00675"></a>00675 sortFunction = args[0].toObject(exec);
<a name="l00676"></a>00676 <span class="keywordflow">if</span> (!sortFunction.<a class="code" href="classKJS_1_1Object.html#a7c08a913629973d9eddf5b7f53ef5200" title="Whether or not the object implements the call() method.">implementsCall</a>())
<a name="l00677"></a>00677 useSortFunction = <span class="keyword">false</span>;
<a name="l00678"></a>00678 }
<a name="l00679"></a>00679
<a name="l00680"></a>00680 <span class="keywordflow">if</span> (thisObj.imp()->classInfo() == &ArrayInstanceImp::info) {
<a name="l00681"></a>00681 <span class="keywordflow">if</span> (useSortFunction)
<a name="l00682"></a>00682 ((ArrayInstanceImp *)thisObj.imp())->sort(exec, sortFunction);
<a name="l00683"></a>00683 <span class="keywordflow">else</span>
<a name="l00684"></a>00684 ((ArrayInstanceImp *)thisObj.imp())->sort(exec);
<a name="l00685"></a>00685 result = thisObj;
<a name="l00686"></a>00686 <span class="keywordflow">break</span>;
<a name="l00687"></a>00687 }
<a name="l00688"></a>00688
<a name="l00689"></a>00689 <span class="keywordflow">if</span> (length == 0) {
<a name="l00690"></a>00690 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, lengthPropertyName, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(0), DontEnum | DontDelete);
<a name="l00691"></a>00691 result = thisObj;
<a name="l00692"></a>00692 <span class="keywordflow">break</span>;
<a name="l00693"></a>00693 }
<a name="l00694"></a>00694
<a name="l00695"></a>00695 <span class="comment">// "Min" sort. Not the fastest, but definitely less code than heapsort</span>
<a name="l00696"></a>00696 <span class="comment">// or quicksort, and much less swapping than bubblesort/insertionsort.</span>
<a name="l00697"></a>00697 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0 ; i<length-1 ; ++i )
<a name="l00698"></a>00698 {
<a name="l00699"></a>00699 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> iObj = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec,i);
<a name="l00700"></a>00700 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> themin = i;
<a name="l00701"></a>00701 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> minObj = iObj;
<a name="l00702"></a>00702 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j = i+1 ; j<length ; ++j )
<a name="l00703"></a>00703 {
<a name="l00704"></a>00704 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> jObj = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec,j);
<a name="l00705"></a>00705 <span class="keywordtype">double</span> cmp;
<a name="l00706"></a>00706 <span class="keywordflow">if</span> (jObj.<a class="code" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657" title="Returns the type of value.">type</a>() == UndefinedType) {
<a name="l00707"></a>00707 cmp = 1; <span class="comment">// don't check minObj because there's no need to differentiate == (0) from > (1)</span>
<a name="l00708"></a>00708 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (minObj.<a class="code" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657" title="Returns the type of value.">type</a>() == UndefinedType) {
<a name="l00709"></a>00709 cmp = -1;
<a name="l00710"></a>00710 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (useSortFunction) {
<a name="l00711"></a>00711 <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> l;
<a name="l00712"></a>00712 l.<a class="code" href="classKJS_1_1List.html#a0754cb5a81b130c65ab13a4e9cff5c52" title="Append an object to the end of the list.">append</a>(jObj);
<a name="l00713"></a>00713 l.<a class="code" href="classKJS_1_1List.html#a0754cb5a81b130c65ab13a4e9cff5c52" title="Append an object to the end of the list.">append</a>(minObj);
<a name="l00714"></a>00714 cmp = sortFunction.<a class="code" href="classKJS_1_1Object.html#ab07be3e90ba2ba8352a9609cc4ac703c" title="Calls this object as if it is a function.">call</a>(exec, exec-><a class="code" href="classKJS_1_1ExecState.html#a3b3a2b4b312b33a64beeb974c948201c" title="Returns the interpreter associated with this execution state.">dynamicInterpreter</a>()-><a class="code" href="classKJS_1_1Interpreter.html#a6d4867616475f8bca54549e910ae1344" title="Returns the object that is used as the global object during all script execution performed by this in...">globalObject</a>(), l).toNumber(exec);
<a name="l00715"></a>00715 } <span class="keywordflow">else</span> {
<a name="l00716"></a>00716 cmp = (jObj.<a class="code" href="classKJS_1_1Value.html#a8611b80d868cebf8dd4af2f966810874" title="Performs the ToString type conversion operation on this value (ECMA 9.8)">toString</a>(exec) < minObj.<a class="code" href="classKJS_1_1Value.html#a8611b80d868cebf8dd4af2f966810874" title="Performs the ToString type conversion operation on this value (ECMA 9.8)">toString</a>(exec)) ? -1 : 1;
<a name="l00717"></a>00717 }
<a name="l00718"></a>00718 <span class="keywordflow">if</span> ( cmp < 0 )
<a name="l00719"></a>00719 {
<a name="l00720"></a>00720 themin = j;
<a name="l00721"></a>00721 minObj = jObj;
<a name="l00722"></a>00722 }
<a name="l00723"></a>00723 }
<a name="l00724"></a>00724 <span class="comment">// Swap themin and i</span>
<a name="l00725"></a>00725 <span class="keywordflow">if</span> ( themin > i )
<a name="l00726"></a>00726 {
<a name="l00727"></a>00727 <span class="comment">//printf("KJS Array::Sort: swapping %d and %d\n", i, themin );</span>
<a name="l00728"></a>00728 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>( exec, i, minObj );
<a name="l00729"></a>00729 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>( exec, themin, iObj );
<a name="l00730"></a>00730 }
<a name="l00731"></a>00731 }
<a name="l00732"></a>00732 <span class="preprocessor">#if 0</span>
<a name="l00733"></a>00733 <span class="preprocessor"></span> printf(<span class="stringliteral">"KJS Array::Sort -- Resulting array:\n"</span>);
<a name="l00734"></a>00734 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0 ; i<length ; ++i )
<a name="l00735"></a>00735 printf(<span class="stringliteral">"KJS Array::Sort: %d: %s\n"</span>, i, thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, i).<a class="code" href="classKJS_1_1Value.html#a8611b80d868cebf8dd4af2f966810874" title="Performs the ToString type conversion operation on this value (ECMA 9.8)">toString</a>(exec).<a class="code" href="classKJS_1_1UString.html#a2ac3d2b62d65d075f2d99bf7ed2ec366" title="Convert the Unicode string to plain ASCII chars chopping of any higher bytes.">ascii</a>() );
<a name="l00736"></a>00736 <span class="preprocessor">#endif</span>
<a name="l00737"></a>00737 <span class="preprocessor"></span> result = thisObj;
<a name="l00738"></a>00738 <span class="keywordflow">break</span>;
<a name="l00739"></a>00739 }
<a name="l00740"></a>00740 <span class="keywordflow">case</span> Splice: {
<a name="l00741"></a>00741 <span class="comment">// 15.4.4.12 - oh boy this is huge</span>
<a name="l00742"></a>00742 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> resObj = Object::dynamicCast(exec-><a class="code" href="classKJS_1_1ExecState.html#af210e5fad440d91a939e71ccb2bf6be7" title="Returns the interpreter associated with the current scope's global object.">lexicalInterpreter</a>()-><a class="code" href="classKJS_1_1Interpreter.html#a2f7e9fc6cb4e1e10f7b001cb7729d023" title="Returns the builtin "Array" object.">builtinArray</a>().<a class="code" href="classKJS_1_1Object.html#a85a7d585cbaeaef5bff34676bb748cc7" title="Creates a new object based on this object.">construct</a>(exec,List::empty()));
<a name="l00743"></a>00743 result = resObj;
<a name="l00744"></a>00744 <span class="keywordtype">int</span> begin = args[0].toUInt32(exec);
<a name="l00745"></a>00745 <span class="keywordflow">if</span> ( begin < 0 )
<a name="l00746"></a>00746 begin = maxInt( begin + length, 0 );
<a name="l00747"></a>00747 <span class="keywordflow">else</span>
<a name="l00748"></a>00748 begin = minInt( begin, length );
<a name="l00749"></a>00749 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> deleteCount = minInt( maxInt( args[1].toUInt32(exec), 0 ), length - begin );
<a name="l00750"></a>00750
<a name="l00751"></a>00751 <span class="comment">//printf( "Splicing from %d, deleteCount=%d \n", begin, deleteCount );</span>
<a name="l00752"></a>00752 <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k = 0; k < deleteCount; k++) {
<a name="l00753"></a>00753 <span class="keywordflow">if</span> (thisObj.<a class="code" href="classKJS_1_1Object.html#a8c0f1def86d09e32d8df1e27c3201922" title="Checks to see whether the object (or any object in it's prototype chain) has a property with the spec...">hasProperty</a>(exec,k+begin)) {
<a name="l00754"></a>00754 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> obj = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, k+begin);
<a name="l00755"></a>00755 resObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, k, obj);
<a name="l00756"></a>00756 }
<a name="l00757"></a>00757 }
<a name="l00758"></a>00758 resObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, lengthPropertyName, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(deleteCount), DontEnum | DontDelete);
<a name="l00759"></a>00759
<a name="l00760"></a>00760 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> additionalArgs = maxInt( args.<a class="code" href="classKJS_1_1List.html#a69835b1e6671235343b0a17923b92c43">size</a>() - 2, 0 );
<a name="l00761"></a>00761 <span class="keywordflow">if</span> ( additionalArgs != deleteCount )
<a name="l00762"></a>00762 {
<a name="l00763"></a>00763 <span class="keywordflow">if</span> ( additionalArgs < deleteCount )
<a name="l00764"></a>00764 {
<a name="l00765"></a>00765 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k = begin; k < length - deleteCount; ++k )
<a name="l00766"></a>00766 {
<a name="l00767"></a>00767 <span class="keywordflow">if</span> (thisObj.<a class="code" href="classKJS_1_1Object.html#a8c0f1def86d09e32d8df1e27c3201922" title="Checks to see whether the object (or any object in it's prototype chain) has a property with the spec...">hasProperty</a>(exec,k+deleteCount)) {
<a name="l00768"></a>00768 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> obj = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, k+deleteCount);
<a name="l00769"></a>00769 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, k+additionalArgs, obj);
<a name="l00770"></a>00770 }
<a name="l00771"></a>00771 <span class="keywordflow">else</span>
<a name="l00772"></a>00772 thisObj.<a class="code" href="classKJS_1_1Object.html#a2d640f4d38e26af206e47723db28bd90" title="Removes the specified property from the object.">deleteProperty</a>(exec, k+additionalArgs);
<a name="l00773"></a>00773 }
<a name="l00774"></a>00774 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k = length ; k > length - deleteCount + additionalArgs; --k )
<a name="l00775"></a>00775 thisObj.<a class="code" href="classKJS_1_1Object.html#a2d640f4d38e26af206e47723db28bd90" title="Removes the specified property from the object.">deleteProperty</a>(exec, k-1);
<a name="l00776"></a>00776 }
<a name="l00777"></a>00777 <span class="keywordflow">else</span>
<a name="l00778"></a>00778 {
<a name="l00779"></a>00779 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k = length - deleteCount; (int)k > begin; --k )
<a name="l00780"></a>00780 {
<a name="l00781"></a>00781 <span class="keywordflow">if</span> (thisObj.<a class="code" href="classKJS_1_1Object.html#a8c0f1def86d09e32d8df1e27c3201922" title="Checks to see whether the object (or any object in it's prototype chain) has a property with the spec...">hasProperty</a>(exec,k+deleteCount-1)) {
<a name="l00782"></a>00782 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> obj = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, k+deleteCount-1);
<a name="l00783"></a>00783 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, k+additionalArgs-1, obj);
<a name="l00784"></a>00784 }
<a name="l00785"></a>00785 <span class="keywordflow">else</span>
<a name="l00786"></a>00786 thisObj.<a class="code" href="classKJS_1_1Object.html#a2d640f4d38e26af206e47723db28bd90" title="Removes the specified property from the object.">deleteProperty</a>(exec, k+additionalArgs-1);
<a name="l00787"></a>00787 }
<a name="l00788"></a>00788 }
<a name="l00789"></a>00789 }
<a name="l00790"></a>00790 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k = 0; k < additionalArgs; ++k )
<a name="l00791"></a>00791 {
<a name="l00792"></a>00792 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, k+begin, args[k+2]);
<a name="l00793"></a>00793 }
<a name="l00794"></a>00794 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, lengthPropertyName, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(length - deleteCount + additionalArgs), DontEnum | DontDelete);
<a name="l00795"></a>00795 <span class="keywordflow">break</span>;
<a name="l00796"></a>00796 }
<a name="l00797"></a>00797 <span class="keywordflow">case</span> UnShift: { <span class="comment">// 15.4.4.13</span>
<a name="l00798"></a>00798 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nrArgs = args.<a class="code" href="classKJS_1_1List.html#a69835b1e6671235343b0a17923b92c43">size</a>();
<a name="l00799"></a>00799 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k = length; k > 0; --k )
<a name="l00800"></a>00800 {
<a name="l00801"></a>00801 <span class="keywordflow">if</span> (thisObj.<a class="code" href="classKJS_1_1Object.html#a8c0f1def86d09e32d8df1e27c3201922" title="Checks to see whether the object (or any object in it's prototype chain) has a property with the spec...">hasProperty</a>(exec,k-1)) {
<a name="l00802"></a>00802 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> obj = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, k-1);
<a name="l00803"></a>00803 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, k+nrArgs-1, obj);
<a name="l00804"></a>00804 } <span class="keywordflow">else</span> {
<a name="l00805"></a>00805 thisObj.<a class="code" href="classKJS_1_1Object.html#a2d640f4d38e26af206e47723db28bd90" title="Removes the specified property from the object.">deleteProperty</a>(exec, k+nrArgs-1);
<a name="l00806"></a>00806 }
<a name="l00807"></a>00807 }
<a name="l00808"></a>00808 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k = 0; k < nrArgs; ++k )
<a name="l00809"></a>00809 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, k, args[k]);
<a name="l00810"></a>00810 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(length + nrArgs);
<a name="l00811"></a>00811 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, lengthPropertyName, result, DontEnum | DontDelete);
<a name="l00812"></a>00812 <span class="keywordflow">break</span>;
<a name="l00813"></a>00813 }
<a name="l00814"></a>00814 <span class="keywordflow">default</span>:
<a name="l00815"></a>00815 assert(0);
<a name="l00816"></a>00816 <span class="keywordflow">break</span>;
<a name="l00817"></a>00817 }
<a name="l00818"></a>00818 <span class="keywordflow">return</span> result;
<a name="l00819"></a>00819 }
<a name="l00820"></a>00820
<a name="l00821"></a>00821 <span class="comment">// ------------------------------ ArrayObjectImp -------------------------------</span>
<a name="l00822"></a>00822
<a name="l00823"></a>00823 ArrayObjectImp::ArrayObjectImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec,
<a name="l00824"></a>00824 <a class="code" href="classKJS_1_1FunctionPrototypeImp.html" title="The initial value of Function.prototype (and thus all objects created with the Function constructor)...">FunctionPrototypeImp</a> *funcProto,
<a name="l00825"></a>00825 ArrayPrototypeImp *arrayProto)
<a name="l00826"></a>00826 : <a class="code" href="classKJS_1_1InternalFunctionImp.html" title="Base class for all function objects.">InternalFunctionImp</a>(funcProto)
<a name="l00827"></a>00827 {
<a name="l00828"></a>00828 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00829"></a>00829 <span class="comment">// ECMA 15.4.3.1 Array.prototype</span>
<a name="l00830"></a>00830 put(exec,prototypePropertyName, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(arrayProto), DontEnum|DontDelete|ReadOnly);
<a name="l00831"></a>00831
<a name="l00832"></a>00832 <span class="comment">// no. of arguments for constructor</span>
<a name="l00833"></a>00833 put(exec,lengthPropertyName, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(1), ReadOnly|DontDelete|DontEnum);
<a name="l00834"></a>00834 }
<a name="l00835"></a>00835
<a name="l00836"></a>00836 <span class="keywordtype">bool</span> ArrayObjectImp::implementsConstruct()<span class="keyword"> const</span>
<a name="l00837"></a>00837 <span class="keyword"></span>{
<a name="l00838"></a>00838 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00839"></a>00839 }
<a name="l00840"></a>00840
<a name="l00841"></a>00841 <span class="comment">// ECMA 15.4.2</span>
<a name="l00842"></a>00842 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> ArrayObjectImp::construct(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args)
<a name="l00843"></a>00843 {
<a name="l00844"></a>00844 <span class="comment">// a single numeric argument denotes the array size (!)</span>
<a name="l00845"></a>00845 <span class="keywordflow">if</span> (args.<a class="code" href="classKJS_1_1List.html#a69835b1e6671235343b0a17923b92c43">size</a>() == 1 && args[0].type() == NumberType) {
<a name="l00846"></a>00846 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> n = args[0].toUInt32(exec);
<a name="l00847"></a>00847 <span class="keywordflow">if</span> (n != args[0].toNumber(exec)) {
<a name="l00848"></a>00848 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> error = Error::create(exec, RangeError, <span class="stringliteral">"Invalid array length."</span>);
<a name="l00849"></a>00849 exec->setException(error);
<a name="l00850"></a>00850 <span class="keywordflow">return</span> error;
<a name="l00851"></a>00851 }
<a name="l00852"></a>00852 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> ArrayInstanceImp(exec-><a class="code" href="classKJS_1_1ExecState.html#af210e5fad440d91a939e71ccb2bf6be7" title="Returns the interpreter associated with the current scope's global object.">lexicalInterpreter</a>()-><a class="code" href="classKJS_1_1Interpreter.html#aa24b5c50fa1f820510b3f7f8f8c01e57" title="Returns the builtin "Array.prototype" object.">builtinArrayPrototype</a>().imp(), n));
<a name="l00853"></a>00853 }
<a name="l00854"></a>00854
<a name="l00855"></a>00855 <span class="comment">// otherwise the array is constructed with the arguments in it</span>
<a name="l00856"></a>00856 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> ArrayInstanceImp(exec-><a class="code" href="classKJS_1_1ExecState.html#af210e5fad440d91a939e71ccb2bf6be7" title="Returns the interpreter associated with the current scope's global object.">lexicalInterpreter</a>()-><a class="code" href="classKJS_1_1Interpreter.html#aa24b5c50fa1f820510b3f7f8f8c01e57" title="Returns the builtin "Array.prototype" object.">builtinArrayPrototype</a>().imp(), args));
<a name="l00857"></a>00857 }
<a name="l00858"></a>00858
<a name="l00859"></a>00859 <span class="keywordtype">bool</span> ArrayObjectImp::implementsCall()<span class="keyword"> const</span>
<a name="l00860"></a>00860 <span class="keyword"></span>{
<a name="l00861"></a>00861 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00862"></a>00862 }
<a name="l00863"></a>00863
<a name="l00864"></a>00864 <span class="comment">// ECMA 15.6.1</span>
<a name="l00865"></a>00865 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> ArrayObjectImp::call(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &<span class="comment">/*thisObj*/</span>, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args)
<a name="l00866"></a>00866 {
<a name="l00867"></a>00867 <span class="comment">// equivalent to 'new Array(....)'</span>
<a name="l00868"></a>00868 <span class="keywordflow">return</span> construct(exec,args);
<a name="l00869"></a>00869 }
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