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<div class="title">internal.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) 1999-2002 Harri Porten (porten@kde.org)</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (C) 2001 Peter Kelly (pmk@post.com)</span>
<a name="l00006"></a>00006 <span class="comment"> * Copyright (C) 2004 Apple Computer, Inc.</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment"> * modify it under the terms of the GNU Library General Public</span>
<a name="l00010"></a>00010 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00011"></a>00011 <span class="comment"> * version 2 of the License, or (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00016"></a>00016 <span class="comment"> * Library General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> * You should have received a copy of the GNU Library General Public License</span>
<a name="l00019"></a>00019 <span class="comment"> * along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00020"></a>00020 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00021"></a>00021 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00022"></a>00022 <span class="comment"> *</span>
<a name="l00023"></a>00023 <span class="comment"> */</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include <stdio.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <math.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <assert.h></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#include "array_object.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "bool_object.h"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "collector.h"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "context.h"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "date_object.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "debugger.h"</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "error_object.h"</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include "function_object.h"</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include "internal.h"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "lexer.h"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "math_object.h"</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include "nodes.h"</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include "number_object.h"</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include "object.h"</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include "object_object.h"</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include "operations.h"</span>
<a name="l00045"></a>00045 <span class="preprocessor">#include "regexp_object.h"</span>
<a name="l00046"></a>00046 <span class="preprocessor">#include "string_object.h"</span>
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="preprocessor">#define I18N_NOOP(s) s</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span>
<a name="l00050"></a>00050 <span class="keyword">extern</span> <span class="keywordtype">int</span> kjsyyparse();
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keyword">using namespace </span>KJS;
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keyword">namespace </span>KJS {
<a name="l00055"></a>00055 <span class="comment">/* work around some strict alignment requirements</span>
<a name="l00056"></a>00056 <span class="comment"> for double variables on some architectures (e.g. PA-RISC) */</span>
<a name="l00057"></a>00057 <span class="keyword">typedef</span> <span class="keyword">union </span>{ <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> b[8]; <span class="keywordtype">double</span> d; } kjs_double_t;
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="preprocessor">#ifdef WORDS_BIGENDIAN</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span> <span class="keyword">static</span> <span class="keyword">const</span> kjs_double_t NaN_Bytes = { { 0x7f, 0xf8, 0, 0, 0, 0, 0, 0 } };
<a name="l00061"></a>00061 <span class="keyword">static</span> <span class="keyword">const</span> kjs_double_t Inf_Bytes = { { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } };
<a name="l00062"></a>00062 <span class="preprocessor">#elif defined(arm)</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span> <span class="keyword">static</span> <span class="keyword">const</span> kjs_double_t NaN_Bytes = { { 0, 0, 0xf8, 0x7f, 0, 0, 0, 0 } };
<a name="l00064"></a>00064 <span class="keyword">static</span> <span class="keyword">const</span> kjs_double_t Inf_Bytes = { { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 } };
<a name="l00065"></a>00065 <span class="preprocessor">#else</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span> <span class="keyword">static</span> <span class="keyword">const</span> kjs_double_t NaN_Bytes = { { 0, 0, 0, 0, 0, 0, 0xf8, 0x7f } };
<a name="l00067"></a>00067 <span class="keyword">static</span> <span class="keyword">const</span> kjs_double_t Inf_Bytes = { { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } };
<a name="l00068"></a>00068 <span class="preprocessor">#endif</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span>
<a name="l00070"></a>00070 <span class="keyword">const</span> <span class="keywordtype">double</span> NaN = NaN_Bytes.d;
<a name="l00071"></a>00071 <span class="keyword">const</span> <span class="keywordtype">double</span> Inf = Inf_Bytes.d;
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="preprocessor">#ifdef KJS_THREADSUPPORT</span>
<a name="l00075"></a>00075 <span class="preprocessor"></span><span class="keyword">static</span> pthread_once_t interpreterLockOnce = PTHREAD_ONCE_INIT;
<a name="l00076"></a>00076 <span class="keyword">static</span> pthread_mutex_t interpreterLock;
<a name="l00077"></a>00077 <span class="keyword">static</span> <span class="keywordtype">int</span> interpreterLockCount = 0;
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keyword">static</span> <span class="keywordtype">void</span> initializeInterpreterLock()
<a name="l00080"></a>00080 {
<a name="l00081"></a>00081 pthread_mutexattr_t attr;
<a name="l00082"></a>00082
<a name="l00083"></a>00083 pthread_mutexattr_init(&attr);
<a name="l00084"></a>00084 pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_RECURSIVE);
<a name="l00085"></a>00085
<a name="l00086"></a>00086 pthread_mutex_init(&interpreterLock, &attr);
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088 <span class="preprocessor">#endif</span>
<a name="l00089"></a>00089 <span class="preprocessor"></span>
<a name="l00090"></a>00090 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> lockInterpreter()
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092 <span class="preprocessor">#ifdef KJS_THREADSUPPORT</span>
<a name="l00093"></a>00093 <span class="preprocessor"></span> pthread_once(&interpreterLockOnce, initializeInterpreterLock);
<a name="l00094"></a>00094 pthread_mutex_lock(&interpreterLock);
<a name="l00095"></a>00095 interpreterLockCount++;
<a name="l00096"></a>00096 <span class="preprocessor">#endif</span>
<a name="l00097"></a>00097 <span class="preprocessor"></span>}
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> unlockInterpreter()
<a name="l00100"></a>00100 {
<a name="l00101"></a>00101 <span class="preprocessor">#ifdef KJS_THREADSUPPORT</span>
<a name="l00102"></a>00102 <span class="preprocessor"></span> interpreterLockCount--;
<a name="l00103"></a>00103 pthread_mutex_unlock(&interpreterLock);
<a name="l00104"></a>00104 <span class="preprocessor">#endif</span>
<a name="l00105"></a>00105 <span class="preprocessor"></span>}
<a name="l00106"></a>00106
<a name="l00107"></a>00107
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="comment">// ------------------------------ UndefinedImp ---------------------------------</span>
<a name="l00110"></a>00110
<a name="l00111"></a>00111 UndefinedImp *UndefinedImp::staticUndefined = 0;
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <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> UndefinedImp::toPrimitive(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>, Type)<span class="keyword"> const</span>
<a name="l00114"></a>00114 <span class="keyword"></span>{
<a name="l00115"></a>00115 <span class="keywordflow">return</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>((<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>*)<span class="keyword">this</span>);
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="keywordtype">bool</span> UndefinedImp::toBoolean(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>)<span class="keyword"> const</span>
<a name="l00119"></a>00119 <span class="keyword"></span>{
<a name="l00120"></a>00120 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keywordtype">double</span> UndefinedImp::toNumber(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>)<span class="keyword"> const</span>
<a name="l00124"></a>00124 <span class="keyword"></span>{
<a name="l00125"></a>00125 <span class="keywordflow">return</span> NaN;
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> UndefinedImp::toString(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>)<span class="keyword"> const</span>
<a name="l00129"></a>00129 <span class="keyword"></span>{
<a name="l00130"></a>00130 <span class="keywordflow">return</span> <span class="stringliteral">"undefined"</span>;
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> UndefinedImp::toObject(<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 name="l00134"></a>00134 <span class="keyword"></span>{
<a name="l00135"></a>00135 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> err = <a class="code" href="classKJS_1_1Error.html#ad90381467b6e9fbae92c0975852048f2" title="Factory method for error objects.">Error::create</a>(exec, TypeError, I18N_NOOP(<span class="stringliteral">"Undefined value"</span>));
<a name="l00136"></a>00136 exec->setException(err);
<a name="l00137"></a>00137 <span class="keywordflow">return</span> err;
<a name="l00138"></a>00138 }
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="comment">// ------------------------------ NullImp --------------------------------------</span>
<a name="l00141"></a>00141
<a name="l00142"></a>00142 NullImp *NullImp::staticNull = 0;
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <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> NullImp::toPrimitive(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>, Type)<span class="keyword"> const</span>
<a name="l00145"></a>00145 <span class="keyword"></span>{
<a name="l00146"></a>00146 <span class="keywordflow">return</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>((<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>*)<span class="keyword">this</span>);
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keywordtype">bool</span> NullImp::toBoolean(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>)<span class="keyword"> const</span>
<a name="l00150"></a>00150 <span class="keyword"></span>{
<a name="l00151"></a>00151 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="keywordtype">double</span> NullImp::toNumber(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>)<span class="keyword"> const</span>
<a name="l00155"></a>00155 <span class="keyword"></span>{
<a name="l00156"></a>00156 <span class="keywordflow">return</span> 0.0;
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> NullImp::toString(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>)<span class="keyword"> const</span>
<a name="l00160"></a>00160 <span class="keyword"></span>{
<a name="l00161"></a>00161 <span class="keywordflow">return</span> <span class="stringliteral">"null"</span>;
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> NullImp::toObject(<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 name="l00165"></a>00165 <span class="keyword"></span>{
<a name="l00166"></a>00166 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> err = <a class="code" href="classKJS_1_1Error.html#ad90381467b6e9fbae92c0975852048f2" title="Factory method for error objects.">Error::create</a>(exec, TypeError, I18N_NOOP(<span class="stringliteral">"Null value"</span>));
<a name="l00167"></a>00167 exec->setException(err);
<a name="l00168"></a>00168 <span class="keywordflow">return</span> err;
<a name="l00169"></a>00169 }
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <span class="comment">// ------------------------------ BooleanImp -----------------------------------</span>
<a name="l00172"></a>00172
<a name="l00173"></a>00173 BooleanImp* BooleanImp::staticTrue = 0;
<a name="l00174"></a>00174 BooleanImp* BooleanImp::staticFalse = 0;
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <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> BooleanImp::toPrimitive(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>, Type)<span class="keyword"> const</span>
<a name="l00177"></a>00177 <span class="keyword"></span>{
<a name="l00178"></a>00178 <span class="keywordflow">return</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>((<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>*)<span class="keyword">this</span>);
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="keywordtype">bool</span> BooleanImp::toBoolean(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>)<span class="keyword"> const</span>
<a name="l00182"></a>00182 <span class="keyword"></span>{
<a name="l00183"></a>00183 <span class="keywordflow">return</span> val;
<a name="l00184"></a>00184 }
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="keywordtype">double</span> BooleanImp::toNumber(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>)<span class="keyword"> const</span>
<a name="l00187"></a>00187 <span class="keyword"></span>{
<a name="l00188"></a>00188 <span class="keywordflow">return</span> val ? 1.0 : 0.0;
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> BooleanImp::toString(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>)<span class="keyword"> const</span>
<a name="l00192"></a>00192 <span class="keyword"></span>{
<a name="l00193"></a>00193 <span class="keywordflow">return</span> val ? <span class="stringliteral">"true"</span> : <span class="stringliteral">"false"</span>;
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195
<a name="l00196"></a>00196 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> BooleanImp::toObject(<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 name="l00197"></a>00197 <span class="keyword"></span>{
<a name="l00198"></a>00198 <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> args;
<a name="l00199"></a>00199 args.<a class="code" href="classKJS_1_1List.html#a0754cb5a81b130c65ab13a4e9cff5c52" title="Append an object to the end of the list.">append</a>(const_cast<BooleanImp*>(<span class="keyword">this</span>));
<a name="l00200"></a>00200 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Object.html#ab12ea86cb49e21ea6c5547507f8d128e" title="Converts a Value into an Object.">Object::dynamicCast</a>(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#a033ecdebcc9c3e49acb659038fc6be2f" title="Returns the builtin "Boolean" object.">builtinBoolean</a>().<a class="code" href="classKJS_1_1Object.html#a85a7d585cbaeaef5bff34676bb748cc7" title="Creates a new object based on this object.">construct</a>(exec,args));
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="comment">// ------------------------------ StringImp ------------------------------------</span>
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <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> StringImp::toPrimitive(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>, Type)<span class="keyword"> const</span>
<a name="l00206"></a>00206 <span class="keyword"></span>{
<a name="l00207"></a>00207 <span class="keywordflow">return</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>((<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>*)<span class="keyword">this</span>);
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209
<a name="l00210"></a>00210 <span class="keywordtype">bool</span> StringImp::toBoolean(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>)<span class="keyword"> const</span>
<a name="l00211"></a>00211 <span class="keyword"></span>{
<a name="l00212"></a>00212 <span class="keywordflow">return</span> (val.size() > 0);
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214
<a name="l00215"></a>00215 <span class="keywordtype">double</span> StringImp::toNumber(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>)<span class="keyword"> const</span>
<a name="l00216"></a>00216 <span class="keyword"></span>{
<a name="l00217"></a>00217 <span class="keywordflow">return</span> val.toDouble();
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219
<a name="l00220"></a>00220 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> StringImp::toString(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>)<span class="keyword"> const</span>
<a name="l00221"></a>00221 <span class="keyword"></span>{
<a name="l00222"></a>00222 <span class="keywordflow">return</span> val;
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> StringImp::toObject(<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 name="l00226"></a>00226 <span class="keyword"></span>{
<a name="l00227"></a>00227 <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> args;
<a name="l00228"></a>00228 args.<a class="code" href="classKJS_1_1List.html#a0754cb5a81b130c65ab13a4e9cff5c52" title="Append an object to the end of the list.">append</a>(const_cast<StringImp*>(<span class="keyword">this</span>));
<a name="l00229"></a>00229 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(static_cast<ObjectImp *>(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#a7920e625307cb936a3451533fc2b7c1e" title="Returns the builtin "String" object.">builtinString</a>().<a class="code" href="classKJS_1_1Object.html#a85a7d585cbaeaef5bff34676bb748cc7" title="Creates a new object based on this object.">construct</a>(exec, args).imp()));
<a name="l00230"></a>00230 }
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <span class="comment">// ------------------------------ NumberImp ------------------------------------</span>
<a name="l00233"></a>00233
<a name="l00234"></a>00234 NumberImp *NumberImp::staticNaN;
<a name="l00235"></a>00235
<a name="l00236"></a>00236 <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> *NumberImp::create(<span class="keywordtype">int</span> i)
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 <span class="keywordflow">if</span> (SimpleNumber::fits(i))
<a name="l00239"></a>00239 <span class="keywordflow">return</span> SimpleNumber::make(i);
<a name="l00240"></a>00240 NumberImp *imp = <span class="keyword">new</span> NumberImp(static_cast<double>(i));
<a name="l00241"></a>00241 imp->setGcAllowedFast();
<a name="l00242"></a>00242 <span class="keywordflow">return</span> imp;
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244
<a name="l00245"></a>00245 <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> *NumberImp::create(<span class="keywordtype">double</span> d)
<a name="l00246"></a>00246 {
<a name="l00247"></a>00247 <span class="keywordflow">if</span> (SimpleNumber::fits(d))
<a name="l00248"></a>00248 <span class="keywordflow">return</span> SimpleNumber::make((<span class="keywordtype">int</span>)d);
<a name="l00249"></a>00249 <span class="keywordflow">if</span> (isNaN(d))
<a name="l00250"></a>00250 <span class="keywordflow">return</span> staticNaN;
<a name="l00251"></a>00251 NumberImp *imp = <span class="keyword">new</span> NumberImp(d);
<a name="l00252"></a>00252 imp->setGcAllowedFast();
<a name="l00253"></a>00253 <span class="keywordflow">return</span> imp;
<a name="l00254"></a>00254 }
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <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> NumberImp::toPrimitive(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *, Type)<span class="keyword"> const</span>
<a name="l00257"></a>00257 <span class="keyword"></span>{
<a name="l00258"></a>00258 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>((NumberImp*)<span class="keyword">this</span>);
<a name="l00259"></a>00259 }
<a name="l00260"></a>00260
<a name="l00261"></a>00261 <span class="keywordtype">bool</span> NumberImp::toBoolean(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *)<span class="keyword"> const</span>
<a name="l00262"></a>00262 <span class="keyword"></span>{
<a name="l00263"></a>00263 <span class="keywordflow">return</span> !((val == 0) <span class="comment">/* || (iVal() == N0) */</span> || isNaN(val));
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265
<a name="l00266"></a>00266 <span class="keywordtype">double</span> NumberImp::toNumber(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *)<span class="keyword"> const</span>
<a name="l00267"></a>00267 <span class="keyword"></span>{
<a name="l00268"></a>00268 <span class="keywordflow">return</span> val;
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> NumberImp::toString(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *)<span class="keyword"> const</span>
<a name="l00272"></a>00272 <span class="keyword"></span>{
<a name="l00273"></a>00273 <span class="keywordflow">if</span> (val == 0.0) <span class="comment">// +0.0 or -0.0</span>
<a name="l00274"></a>00274 <span class="keywordflow">return</span> <span class="stringliteral">"0"</span>;
<a name="l00275"></a>00275 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html#afa4fb189e0a0a6094b54516833eb0257" title="Constructs a string from an int.">UString::from</a>(val);
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> NumberImp::toObject(<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 name="l00279"></a>00279 <span class="keyword"></span>{
<a name="l00280"></a>00280 <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> args;
<a name="l00281"></a>00281 args.<a class="code" href="classKJS_1_1List.html#a0754cb5a81b130c65ab13a4e9cff5c52" title="Append an object to the end of the list.">append</a>(const_cast<NumberImp*>(<span class="keyword">this</span>));
<a name="l00282"></a>00282 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Object.html#ab12ea86cb49e21ea6c5547507f8d128e" title="Converts a Value into an Object.">Object::dynamicCast</a>(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#adaca6baf31e48f80b44db8050a6db237" title="Returns the builtin "Number" object.">builtinNumber</a>().<a class="code" href="classKJS_1_1Object.html#a85a7d585cbaeaef5bff34676bb748cc7" title="Creates a new object based on this object.">construct</a>(exec,args));
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284
<a name="l00285"></a>00285 <span class="keywordtype">bool</span> NumberImp::toUInt32(<span class="keywordtype">unsigned</span>& uint32)<span class="keyword"> const</span>
<a name="l00286"></a>00286 <span class="keyword"></span>{
<a name="l00287"></a>00287 uint32 = (unsigned)val;
<a name="l00288"></a>00288 <span class="keywordflow">return</span> (<span class="keywordtype">double</span>)uint32 == val;
<a name="l00289"></a>00289 }
<a name="l00290"></a>00290
<a name="l00291"></a>00291 <span class="keywordtype">double</span> SimpleNumber::negZero = -0.0;
<a name="l00292"></a>00292
<a name="l00293"></a>00293 <span class="comment">// ------------------------------ LabelStack -----------------------------------</span>
<a name="l00294"></a>00294
<a name="l00295"></a>00295 LabelStack::LabelStack(<span class="keyword">const</span> <a class="code" href="classKJS_1_1LabelStack.html" title="The "label set" in Ecma-262 spec.">LabelStack</a> &other)
<a name="l00296"></a>00296 {
<a name="l00297"></a>00297 tos = 0;
<a name="l00298"></a>00298 *<span class="keyword">this</span> = other;
<a name="l00299"></a>00299 }
<a name="l00300"></a>00300
<a name="l00301"></a>00301 <a class="code" href="classKJS_1_1LabelStack.html" title="The "label set" in Ecma-262 spec.">LabelStack</a> &LabelStack::operator=(<span class="keyword">const</span> <a class="code" href="classKJS_1_1LabelStack.html" title="The "label set" in Ecma-262 spec.">LabelStack</a> &other)
<a name="l00302"></a>00302 {
<a name="l00303"></a>00303 clear();
<a name="l00304"></a>00304 tos = 0;
<a name="l00305"></a>00305 StackElem *cur = 0;
<a name="l00306"></a>00306 StackElem *se = other.tos;
<a name="l00307"></a>00307 <span class="keywordflow">while</span> (se) {
<a name="l00308"></a>00308 StackElem *newPrev = <span class="keyword">new</span> StackElem;
<a name="l00309"></a>00309 newPrev->prev = 0;
<a name="l00310"></a>00310 newPrev->id = se->id;
<a name="l00311"></a>00311 <span class="keywordflow">if</span> (cur)
<a name="l00312"></a>00312 cur->prev = newPrev;
<a name="l00313"></a>00313 <span class="keywordflow">else</span>
<a name="l00314"></a>00314 tos = newPrev;
<a name="l00315"></a>00315 cur = newPrev;
<a name="l00316"></a>00316 se = se->prev;
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00319"></a>00319 }
<a name="l00320"></a>00320
<a name="l00321"></a><a class="code" href="classKJS_1_1LabelStack.html#aa2bda0670ac692d95cc2d7d497d0cb55">00321</a> <span class="keywordtype">bool</span> <a class="code" href="classKJS_1_1LabelStack.html#aa2bda0670ac692d95cc2d7d497d0cb55" title="If id is not empty and is not in the stack already, puts it on top of the stack and returns true...">LabelStack::push</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> &<span class="keywordtype">id</span>)
<a name="l00322"></a>00322 {
<a name="l00323"></a>00323 <span class="keywordflow">if</span> (<span class="keywordtype">id</span>.isEmpty() || <a class="code" href="classKJS_1_1LabelStack.html#a6c195387b3083cce12d579c5d6e6d8d6" title="Is the id in the stack?">contains</a>(<span class="keywordtype">id</span>))
<a name="l00324"></a>00324 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00325"></a>00325
<a name="l00326"></a>00326 StackElem *newtos = <span class="keyword">new</span> StackElem;
<a name="l00327"></a>00327 newtos->id = id;
<a name="l00328"></a>00328 newtos->prev = tos;
<a name="l00329"></a>00329 tos = newtos;
<a name="l00330"></a>00330 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00331"></a>00331 }
<a name="l00332"></a>00332
<a name="l00333"></a><a class="code" href="classKJS_1_1LabelStack.html#a6c195387b3083cce12d579c5d6e6d8d6">00333</a> <span class="keywordtype">bool</span> <a class="code" href="classKJS_1_1LabelStack.html#a6c195387b3083cce12d579c5d6e6d8d6" title="Is the id in the stack?">LabelStack::contains</a>(<span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> &<span class="keywordtype">id</span>)<span class="keyword"> const</span>
<a name="l00334"></a>00334 <span class="keyword"></span>{
<a name="l00335"></a>00335 <span class="keywordflow">if</span> (<span class="keywordtype">id</span>.isEmpty())
<a name="l00336"></a>00336 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00337"></a>00337
<a name="l00338"></a>00338 <span class="keywordflow">for</span> (StackElem *curr = tos; curr; curr = curr->prev)
<a name="l00339"></a>00339 <span class="keywordflow">if</span> (curr->id == <span class="keywordtype">id</span>)
<a name="l00340"></a>00340 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00341"></a>00341
<a name="l00342"></a>00342 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00343"></a>00343 }
<a name="l00344"></a>00344
<a name="l00345"></a><a class="code" href="classKJS_1_1LabelStack.html#a24c7fa9d3a3e27c40806b40c9089faf2">00345</a> <span class="keywordtype">void</span> <a class="code" href="classKJS_1_1LabelStack.html#a24c7fa9d3a3e27c40806b40c9089faf2" title="Removes from the stack the last pushed id (what else?)">LabelStack::pop</a>()
<a name="l00346"></a>00346 {
<a name="l00347"></a>00347 <span class="keywordflow">if</span> (tos) {
<a name="l00348"></a>00348 StackElem *prev = tos->prev;
<a name="l00349"></a>00349 <span class="keyword">delete</span> tos;
<a name="l00350"></a>00350 tos = prev;
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353
<a name="l00354"></a>00354 LabelStack::~LabelStack()
<a name="l00355"></a>00355 {
<a name="l00356"></a>00356 clear();
<a name="l00357"></a>00357 }
<a name="l00358"></a>00358
<a name="l00359"></a>00359 <span class="keywordtype">void</span> LabelStack::clear()
<a name="l00360"></a>00360 {
<a name="l00361"></a>00361 StackElem *prev;
<a name="l00362"></a>00362
<a name="l00363"></a>00363 <span class="keywordflow">while</span> (tos) {
<a name="l00364"></a>00364 prev = tos->prev;
<a name="l00365"></a>00365 <span class="keyword">delete</span> tos;
<a name="l00366"></a>00366 tos = prev;
<a name="l00367"></a>00367 }
<a name="l00368"></a>00368 }
<a name="l00369"></a>00369
<a name="l00370"></a>00370 <span class="comment">// ------------------------------ ContextImp -----------------------------------</span>
<a name="l00371"></a>00371
<a name="l00372"></a>00372
<a name="l00373"></a>00373 <span class="comment">// ECMA 10.2</span>
<a name="l00374"></a>00374 ContextImp::ContextImp(<a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &glob, InterpreterImp *interpreter, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &thisV, <span class="keywordtype">int</span> _sourceId, CodeType type,
<a name="l00375"></a>00375 <a class="code" href="classKJS_1_1ContextImp.html" title="Execution context.">ContextImp</a> *callingCon, <a class="code" href="classKJS_1_1FunctionImp.html" title="Implementation class for functions implemented in JS.">FunctionImp</a> *func, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> *args)
<a name="l00376"></a>00376 : _interpreter(interpreter), _function(func), _arguments(args)
<a name="l00377"></a>00377 {
<a name="l00378"></a>00378 m_codeType = type;
<a name="l00379"></a>00379 _callingContext = callingCon;
<a name="l00380"></a>00380 tryCatch = 0;
<a name="l00381"></a>00381
<a name="l00382"></a>00382 sourceId = _sourceId;
<a name="l00383"></a>00383 line0 = 1;
<a name="l00384"></a>00384 line1 = 1;
<a name="l00385"></a>00385
<a name="l00386"></a>00386 <span class="keywordflow">if</span> (func && func->inherits(&DeclaredFunctionImp::info))
<a name="l00387"></a>00387 functionName = static_cast<DeclaredFunctionImp*>(func)->name();
<a name="l00388"></a>00388 <span class="keywordflow">else</span>
<a name="l00389"></a>00389 functionName = <a class="code" href="classKJS_1_1Identifier.html#a0c11c80ccfb32ebe3ef21445d308765f" title="Creates an empty Identifier.">Identifier::null</a>();
<a name="l00390"></a>00390
<a name="l00391"></a>00391 <span class="comment">// create and initialize activation object (ECMA 10.1.6)</span>
<a name="l00392"></a>00392 <span class="keywordflow">if</span> (type == FunctionCode) {
<a name="l00393"></a>00393 activation = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> ActivationImp(func,*args));
<a name="l00394"></a>00394 variable = activation;
<a name="l00395"></a>00395 } <span class="keywordflow">else</span> {
<a name="l00396"></a>00396 activation = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>();
<a name="l00397"></a>00397 variable = glob;
<a name="l00398"></a>00398 }
<a name="l00399"></a>00399
<a name="l00400"></a>00400 <span class="comment">// ECMA 10.2</span>
<a name="l00401"></a>00401 <span class="keywordflow">switch</span>(type) {
<a name="l00402"></a>00402 <span class="keywordflow">case</span> EvalCode:
<a name="l00403"></a>00403 <span class="keywordflow">if</span> (_callingContext) {
<a name="l00404"></a>00404 scope = _callingContext->scopeChain();
<a name="l00405"></a>00405 <span class="preprocessor">#ifndef KJS_PURE_ECMA</span>
<a name="l00406"></a>00406 <span class="preprocessor"></span> <span class="keywordflow">if</span> (thisV.imp() != glob.imp())
<a name="l00407"></a>00407 scope.push(thisV.imp()); <span class="comment">// for deprecated Object.prototype.eval()</span>
<a name="l00408"></a>00408 <span class="preprocessor">#endif</span>
<a name="l00409"></a>00409 <span class="preprocessor"></span> variable = _callingContext->variableObject();
<a name="l00410"></a>00410 thisVal = _callingContext->thisValue();
<a name="l00411"></a>00411 <span class="keywordflow">break</span>;
<a name="l00412"></a>00412 } <span class="comment">// else same as GlobalCode</span>
<a name="l00413"></a>00413 <span class="keywordflow">case</span> GlobalCode:
<a name="l00414"></a>00414 scope.clear();
<a name="l00415"></a>00415 scope.push(glob.imp());
<a name="l00416"></a>00416 <span class="preprocessor">#ifndef KJS_PURE_ECMA</span>
<a name="l00417"></a>00417 <span class="preprocessor"></span> <span class="keywordflow">if</span> (thisV.<a class="code" href="classKJS_1_1Value.html#acd8509ab6b7622c16fdf021803fdd2cb" title="Returns whether or not this is a valid value.">isValid</a>())
<a name="l00418"></a>00418 thisVal = thisV;
<a name="l00419"></a>00419 <span class="keywordflow">else</span>
<a name="l00420"></a>00420 <span class="preprocessor">#endif</span>
<a name="l00421"></a>00421 <span class="preprocessor"></span> thisVal = glob;
<a name="l00422"></a>00422 <span class="keywordflow">break</span>;
<a name="l00423"></a>00423 <span class="keywordflow">case</span> FunctionCode:
<a name="l00424"></a>00424 scope = func->scope();
<a name="l00425"></a>00425 scope.push(activation.imp());
<a name="l00426"></a>00426 variable = activation; <span class="comment">// TODO: DontDelete ? (ECMA 10.2.3)</span>
<a name="l00427"></a>00427 thisVal = thisV;
<a name="l00428"></a>00428 <span class="keywordflow">break</span>;
<a name="l00429"></a>00429 }
<a name="l00430"></a>00430
<a name="l00431"></a>00431 _interpreter->setContext(<span class="keyword">this</span>);
<a name="l00432"></a>00432 }
<a name="l00433"></a>00433
<a name="l00434"></a>00434 ContextImp::~ContextImp()
<a name="l00435"></a>00435 {
<a name="l00436"></a>00436 _interpreter->setContext(_callingContext);
<a name="l00437"></a>00437 }
<a name="l00438"></a>00438
<a name="l00439"></a>00439 <span class="keywordtype">void</span> ContextImp::mark()
<a name="l00440"></a>00440 {
<a name="l00441"></a>00441 <span class="keywordflow">for</span> (<a class="code" href="classKJS_1_1ContextImp.html" title="Execution context.">ContextImp</a> *context = <span class="keyword">this</span>; context; context = context->_callingContext) {
<a name="l00442"></a>00442 context->scope.mark();
<a name="l00443"></a>00443 }
<a name="l00444"></a>00444 }
<a name="l00445"></a>00445
<a name="l00446"></a>00446 <span class="keywordtype">bool</span> ContextImp::inTryCatch()<span class="keyword"> const</span>
<a name="l00447"></a>00447 <span class="keyword"></span>{
<a name="l00448"></a>00448 <span class="keyword">const</span> <a class="code" href="classKJS_1_1ContextImp.html" title="Execution context.">ContextImp</a> *c = <span class="keyword">this</span>;
<a name="l00449"></a>00449 <span class="keywordflow">while</span> (c && !c->tryCatch)
<a name="l00450"></a>00450 c = c->_callingContext;
<a name="l00451"></a>00451 <span class="keywordflow">return</span> (c && c->tryCatch);
<a name="l00452"></a>00452 }
<a name="l00453"></a>00453
<a name="l00454"></a>00454 <span class="comment">// ---------------------------- SourceCode -------------------------------------</span>
<a name="l00455"></a>00455
<a name="l00456"></a>00456 <span class="keywordtype">void</span> SourceCode::cleanup()
<a name="l00457"></a>00457 {
<a name="l00458"></a>00458 <span class="keywordflow">if</span> (interpreter && interpreter->debugger())
<a name="l00459"></a>00459 interpreter->debugger()->sourceUnused(interpreter->globalExec(),sid);
<a name="l00460"></a>00460 <span class="keywordflow">if</span> (interpreter)
<a name="l00461"></a>00461 interpreter->removeSourceCode(<span class="keyword">this</span>);
<a name="l00462"></a>00462 <span class="keyword">delete</span> <span class="keyword">this</span>;
<a name="l00463"></a>00463 }
<a name="l00464"></a>00464
<a name="l00465"></a>00465 <span class="comment">// ------------------------------ Parser ---------------------------------------</span>
<a name="l00466"></a>00466
<a name="l00467"></a>00467 FunctionBodyNode *Parser::progNode = 0;
<a name="l00468"></a>00468 <span class="keywordtype">int</span> Parser::sid = 0;
<a name="l00469"></a>00469 SourceCode *Parser::source = 0;
<a name="l00470"></a>00470
<a name="l00471"></a>00471 FunctionBodyNode *Parser::parse(<span class="keyword">const</span> <a class="code" href="structKJS_1_1UChar.html" title="Unicode character.">UChar</a> *code, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, SourceCode **src,
<a name="l00472"></a>00472 <span class="keywordtype">int</span> *errLine, <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> *errMsg)
<a name="l00473"></a>00473 {
<a name="l00474"></a>00474 <span class="keywordflow">if</span> (errLine)
<a name="l00475"></a>00475 *errLine = -1;
<a name="l00476"></a>00476 <span class="keywordflow">if</span> (errMsg)
<a name="l00477"></a>00477 *errMsg = 0;
<a name="l00478"></a>00478
<a name="l00479"></a>00479 Lexer::curr()->setCode(code, length);
<a name="l00480"></a>00480 progNode = 0;
<a name="l00481"></a>00481 sid++;
<a name="l00482"></a>00482
<a name="l00483"></a>00483 source = <span class="keyword">new</span> SourceCode(sid);
<a name="l00484"></a>00484 source->ref();
<a name="l00485"></a>00485 *src = source;
<a name="l00486"></a>00486
<a name="l00487"></a>00487 <span class="comment">// Enable this (and the #define YYDEBUG in grammar.y) to debug a parse error</span>
<a name="l00488"></a>00488 <span class="comment">//extern int kjsyydebug;</span>
<a name="l00489"></a>00489 <span class="comment">//kjsyydebug=1;</span>
<a name="l00490"></a>00490 <span class="keywordtype">int</span> parseError = kjsyyparse();
<a name="l00491"></a>00491 <span class="keywordflow">if</span> (Lexer::curr()->hadError())
<a name="l00492"></a>00492 parseError = 1;
<a name="l00493"></a>00493 Lexer::curr()->doneParsing();
<a name="l00494"></a>00494 FunctionBodyNode *prog = progNode;
<a name="l00495"></a>00495 progNode = 0;
<a name="l00496"></a>00496 <span class="comment">//sid = -1;</span>
<a name="l00497"></a>00497 source = 0;
<a name="l00498"></a>00498
<a name="l00499"></a>00499 <span class="keywordflow">if</span> (parseError) {
<a name="l00500"></a>00500 <span class="keywordtype">int</span> eline = Lexer::curr()->lineNo();
<a name="l00501"></a>00501 <span class="keywordflow">if</span> (errLine)
<a name="l00502"></a>00502 *errLine = eline;
<a name="l00503"></a>00503 <span class="keywordflow">if</span> (errMsg)
<a name="l00504"></a>00504 *errMsg = <span class="stringliteral">"Parse error at line "</span> + <a class="code" href="classKJS_1_1UString.html#afa4fb189e0a0a6094b54516833eb0257" title="Constructs a string from an int.">UString::from</a>(eline);
<a name="l00505"></a>00505 <span class="preprocessor">#ifdef KJS_VERBOSE</span>
<a name="l00506"></a>00506 <span class="preprocessor"></span> fprintf( stderr, <span class="stringliteral">"%s\n"</span>, <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a>(code,length).ascii() );
<a name="l00507"></a>00507 <span class="preprocessor">#endif</span>
<a name="l00508"></a>00508 <span class="preprocessor"></span><span class="preprocessor">#ifndef NDEBUG</span>
<a name="l00509"></a>00509 <span class="preprocessor"></span> fprintf(stderr, <span class="stringliteral">"KJS: JavaScript parse error at line %d.\n"</span>, eline);
<a name="l00510"></a>00510 <span class="preprocessor">#endif</span>
<a name="l00511"></a>00511 <span class="preprocessor"></span> <span class="keyword">delete</span> prog;
<a name="l00512"></a>00512 <span class="keywordflow">return</span> 0;
<a name="l00513"></a>00513 }
<a name="l00514"></a>00514 <span class="preprocessor">#ifdef KJS_VERBOSE</span>
<a name="l00515"></a>00515 <span class="preprocessor"></span> fprintf( stderr, <span class="stringliteral">"%s\n"</span>, prog->toCode().ascii() );
<a name="l00516"></a>00516 <span class="preprocessor">#endif</span>
<a name="l00517"></a>00517 <span class="preprocessor"></span>
<a name="l00518"></a>00518 <span class="keywordflow">return</span> prog;
<a name="l00519"></a>00519 }
<a name="l00520"></a>00520
<a name="l00521"></a>00521 <span class="comment">// ------------------------------ InterpreterImp -------------------------------</span>
<a name="l00522"></a>00522
<a name="l00523"></a>00523 InterpreterImp* InterpreterImp::s_hook = 0L;
<a name="l00524"></a>00524
<a name="l00525"></a>00525 <span class="keywordtype">void</span> InterpreterImp::globalInit()
<a name="l00526"></a>00526 {
<a name="l00527"></a>00527 <span class="comment">//fprintf( stderr, "InterpreterImp::globalInit()\n" );</span>
<a name="l00528"></a>00528 UndefinedImp::staticUndefined = <span class="keyword">new</span> UndefinedImp();
<a name="l00529"></a>00529 UndefinedImp::staticUndefined->ref();
<a name="l00530"></a>00530 NullImp::staticNull = <span class="keyword">new</span> NullImp();
<a name="l00531"></a>00531 NullImp::staticNull->ref();
<a name="l00532"></a>00532 BooleanImp::staticTrue = <span class="keyword">new</span> BooleanImp(<span class="keyword">true</span>);
<a name="l00533"></a>00533 BooleanImp::staticTrue->ref();
<a name="l00534"></a>00534 BooleanImp::staticFalse = <span class="keyword">new</span> BooleanImp(<span class="keyword">false</span>);
<a name="l00535"></a>00535 BooleanImp::staticFalse->ref();
<a name="l00536"></a>00536 NumberImp::staticNaN = <span class="keyword">new</span> NumberImp(NaN);
<a name="l00537"></a>00537 NumberImp::staticNaN->ref();
<a name="l00538"></a>00538 }
<a name="l00539"></a>00539
<a name="l00540"></a>00540 <span class="keywordtype">void</span> InterpreterImp::globalClear()
<a name="l00541"></a>00541 {
<a name="l00542"></a>00542 <span class="comment">//fprintf( stderr, "InterpreterImp::globalClear()\n" );</span>
<a name="l00543"></a>00543 UndefinedImp::staticUndefined->deref();
<a name="l00544"></a>00544 UndefinedImp::staticUndefined->setGcAllowed();
<a name="l00545"></a>00545 UndefinedImp::staticUndefined = 0L;
<a name="l00546"></a>00546 NullImp::staticNull->deref();
<a name="l00547"></a>00547 NullImp::staticNull->setGcAllowed();
<a name="l00548"></a>00548 NullImp::staticNull = 0L;
<a name="l00549"></a>00549 BooleanImp::staticTrue->deref();
<a name="l00550"></a>00550 BooleanImp::staticTrue->setGcAllowed();
<a name="l00551"></a>00551 BooleanImp::staticTrue = 0L;
<a name="l00552"></a>00552 BooleanImp::staticFalse->deref();
<a name="l00553"></a>00553 BooleanImp::staticFalse->setGcAllowed();
<a name="l00554"></a>00554 BooleanImp::staticFalse = 0L;
<a name="l00555"></a>00555 NumberImp::staticNaN->deref();
<a name="l00556"></a>00556 NumberImp::staticNaN->setGcAllowed();
<a name="l00557"></a>00557 NumberImp::staticNaN = 0;
<a name="l00558"></a>00558 }
<a name="l00559"></a>00559
<a name="l00560"></a>00560 InterpreterImp::InterpreterImp(<a class="code" href="classKJS_1_1Interpreter.html" title="Interpreter objects can be used to evaluate ECMAScript code.">Interpreter</a> *interp, <span class="keyword">const</span> <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &glob)
<a name="l00561"></a>00561 : m_interpreter(interp),
<a name="l00562"></a>00562 global(glob),
<a name="l00563"></a>00563 dbg(0),
<a name="l00564"></a>00564 m_compatMode(<a class="code" href="classKJS_1_1Interpreter.html" title="Interpreter objects can be used to evaluate ECMAScript code.">Interpreter</a>::NativeMode),
<a name="l00565"></a>00565 _context(0),
<a name="l00566"></a>00566 recursion(0),
<a name="l00567"></a>00567 sources(0)
<a name="l00568"></a>00568 {
<a name="l00569"></a>00569 <span class="comment">// add this interpreter to the global chain</span>
<a name="l00570"></a>00570 <span class="comment">// as a root set for garbage collection</span>
<a name="l00571"></a>00571 lockInterpreter();
<a name="l00572"></a>00572 <span class="keywordflow">if</span> (s_hook) {
<a name="l00573"></a>00573 prev = s_hook;
<a name="l00574"></a>00574 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/namespaceKStdAccel.html#a3c93cec83afd9c54d443fe78a9899502">next</a> = s_hook->next;
<a name="l00575"></a>00575 s_hook->next->prev = <span class="keyword">this</span>;
<a name="l00576"></a>00576 s_hook->next = <span class="keyword">this</span>;
<a name="l00577"></a>00577 } <span class="keywordflow">else</span> {
<a name="l00578"></a>00578 <span class="comment">// This is the first interpreter</span>
<a name="l00579"></a>00579 s_hook = <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/namespaceKStdAccel.html#a3c93cec83afd9c54d443fe78a9899502">next</a> = prev = <span class="keyword">this</span>;
<a name="l00580"></a>00580 globalInit();
<a name="l00581"></a>00581 }
<a name="l00582"></a>00582 unlockInterpreter();
<a name="l00583"></a>00583
<a name="l00584"></a>00584 globExec = <span class="keyword">new</span> <a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>(m_interpreter,0);
<a name="l00585"></a>00585
<a name="l00586"></a>00586 <span class="comment">// initialize properties of the global object</span>
<a name="l00587"></a>00587 initGlobalObject();
<a name="l00588"></a>00588 }
<a name="l00589"></a>00589
<a name="l00590"></a>00590 <span class="keywordtype">void</span> InterpreterImp::lock()
<a name="l00591"></a>00591 {
<a name="l00592"></a>00592 lockInterpreter();
<a name="l00593"></a>00593 }
<a name="l00594"></a>00594
<a name="l00595"></a>00595 <span class="keywordtype">void</span> InterpreterImp::unlock()
<a name="l00596"></a>00596 {
<a name="l00597"></a>00597 unlockInterpreter();
<a name="l00598"></a>00598 }
<a name="l00599"></a>00599
<a name="l00600"></a>00600 <span class="keywordtype">void</span> InterpreterImp::initGlobalObject()
<a name="l00601"></a>00601 {
<a name="l00602"></a>00602 <span class="comment">// Contructor prototype objects (Object.prototype, Array.prototype etc)</span>
<a name="l00603"></a>00603
<a name="l00604"></a>00604 <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 = <span class="keyword">new</span> <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>(globExec);
<a name="l00605"></a>00605 b_FunctionPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(funcProto);
<a name="l00606"></a>00606 ObjectPrototypeImp *objProto = <span class="keyword">new</span> ObjectPrototypeImp(globExec,funcProto);
<a name="l00607"></a>00607 b_ObjectPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(objProto);
<a name="l00608"></a>00608 funcProto->setPrototype(b_ObjectPrototype);
<a name="l00609"></a>00609
<a name="l00610"></a>00610 ArrayPrototypeImp *arrayProto = <span class="keyword">new</span> ArrayPrototypeImp(globExec,objProto);
<a name="l00611"></a>00611 b_ArrayPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(arrayProto);
<a name="l00612"></a>00612 StringPrototypeImp *stringProto = <span class="keyword">new</span> StringPrototypeImp(globExec,objProto);
<a name="l00613"></a>00613 b_StringPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(stringProto);
<a name="l00614"></a>00614 BooleanPrototypeImp *booleanProto = <span class="keyword">new</span> BooleanPrototypeImp(globExec,objProto,funcProto);
<a name="l00615"></a>00615 b_BooleanPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(booleanProto);
<a name="l00616"></a>00616 NumberPrototypeImp *numberProto = <span class="keyword">new</span> NumberPrototypeImp(globExec,objProto,funcProto);
<a name="l00617"></a>00617 b_NumberPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(numberProto);
<a name="l00618"></a>00618 DatePrototypeImp *dateProto = <span class="keyword">new</span> DatePrototypeImp(globExec,objProto);
<a name="l00619"></a>00619 b_DatePrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(dateProto);
<a name="l00620"></a>00620 RegExpPrototypeImp *regexpProto = <span class="keyword">new</span> RegExpPrototypeImp(globExec,objProto,funcProto);
<a name="l00621"></a>00621 b_RegExpPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(regexpProto);
<a name="l00622"></a>00622 ErrorPrototypeImp *errorProto = <span class="keyword">new</span> ErrorPrototypeImp(globExec,objProto,funcProto);
<a name="l00623"></a>00623 b_ErrorPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(errorProto);
<a name="l00624"></a>00624
<a name="l00625"></a>00625 <span class="keyword">static_cast<</span>ObjectImp*<span class="keyword">></span>(global.imp())->setPrototype(b_ObjectPrototype);
<a name="l00626"></a>00626
<a name="l00627"></a>00627 <span class="comment">// Constructors (Object, Array, etc.)</span>
<a name="l00628"></a>00628
<a name="l00629"></a>00629 b_Object = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> ObjectObjectImp(globExec, objProto, funcProto));
<a name="l00630"></a>00630 b_Function = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> FunctionObjectImp(globExec, funcProto));
<a name="l00631"></a>00631 b_Array = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> ArrayObjectImp(globExec, funcProto, arrayProto));
<a name="l00632"></a>00632 b_String = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> StringObjectImp(globExec, funcProto, stringProto));
<a name="l00633"></a>00633 b_Boolean = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> BooleanObjectImp(globExec, funcProto, booleanProto));
<a name="l00634"></a>00634 b_Number = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> NumberObjectImp(globExec, funcProto, numberProto));
<a name="l00635"></a>00635 b_Date = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> DateObjectImp(globExec, funcProto, dateProto));
<a name="l00636"></a>00636 b_RegExp = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> RegExpObjectImp(globExec, funcProto, regexpProto));
<a name="l00637"></a>00637 b_Error = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> ErrorObjectImp(globExec, funcProto, errorProto));
<a name="l00638"></a>00638
<a name="l00639"></a>00639 <span class="comment">// Error object prototypes</span>
<a name="l00640"></a>00640 b_evalErrorPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> NativeErrorPrototypeImp(globExec,errorProto,EvalError,
<a name="l00641"></a>00641 <span class="stringliteral">"EvalError"</span>,<span class="stringliteral">"EvalError"</span>));
<a name="l00642"></a>00642 b_rangeErrorPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> NativeErrorPrototypeImp(globExec,errorProto,RangeError,
<a name="l00643"></a>00643 <span class="stringliteral">"RangeError"</span>,<span class="stringliteral">"RangeError"</span>));
<a name="l00644"></a>00644 b_referenceErrorPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> NativeErrorPrototypeImp(globExec,errorProto,ReferenceError,
<a name="l00645"></a>00645 <span class="stringliteral">"ReferenceError"</span>,<span class="stringliteral">"ReferenceError"</span>));
<a name="l00646"></a>00646 b_syntaxErrorPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> NativeErrorPrototypeImp(globExec,errorProto,SyntaxError,
<a name="l00647"></a>00647 <span class="stringliteral">"SyntaxError"</span>,<span class="stringliteral">"SyntaxError"</span>));
<a name="l00648"></a>00648 b_typeErrorPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> NativeErrorPrototypeImp(globExec,errorProto,TypeError,
<a name="l00649"></a>00649 <span class="stringliteral">"TypeError"</span>,<span class="stringliteral">"TypeError"</span>));
<a name="l00650"></a>00650 b_uriErrorPrototype = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> NativeErrorPrototypeImp(globExec,errorProto,URIError,
<a name="l00651"></a>00651 <span class="stringliteral">"URIError"</span>,<span class="stringliteral">"URIError"</span>));
<a name="l00652"></a>00652
<a name="l00653"></a>00653 <span class="comment">// Error objects</span>
<a name="l00654"></a>00654 b_evalError = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> NativeErrorImp(globExec,funcProto,b_evalErrorPrototype));
<a name="l00655"></a>00655 b_rangeError = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> NativeErrorImp(globExec,funcProto,b_rangeErrorPrototype));
<a name="l00656"></a>00656 b_referenceError = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> NativeErrorImp(globExec,funcProto,b_referenceErrorPrototype));
<a name="l00657"></a>00657 b_syntaxError = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> NativeErrorImp(globExec,funcProto,b_syntaxErrorPrototype));
<a name="l00658"></a>00658 b_typeError = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> NativeErrorImp(globExec,funcProto,b_typeErrorPrototype));
<a name="l00659"></a>00659 b_uriError = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> NativeErrorImp(globExec,funcProto,b_uriErrorPrototype));
<a name="l00660"></a>00660
<a name="l00661"></a>00661 <span class="comment">// ECMA 15.3.4.1</span>
<a name="l00662"></a>00662 funcProto->put(globExec,constructorPropertyName, b_Function, DontEnum);
<a name="l00663"></a>00663
<a name="l00664"></a>00664 global.put(globExec,<span class="stringliteral">"Object"</span>, b_Object, DontEnum);
<a name="l00665"></a>00665 global.put(globExec,<span class="stringliteral">"Function"</span>, b_Function, DontEnum);
<a name="l00666"></a>00666 global.put(globExec,<span class="stringliteral">"Array"</span>, b_Array, DontEnum);
<a name="l00667"></a>00667 global.put(globExec,<span class="stringliteral">"Boolean"</span>, b_Boolean, DontEnum);
<a name="l00668"></a>00668 global.put(globExec,<span class="stringliteral">"String"</span>, b_String, DontEnum);
<a name="l00669"></a>00669 global.put(globExec,<span class="stringliteral">"Number"</span>, b_Number, DontEnum);
<a name="l00670"></a>00670 global.put(globExec,<span class="stringliteral">"Date"</span>, b_Date, DontEnum);
<a name="l00671"></a>00671 global.put(globExec,<span class="stringliteral">"RegExp"</span>, b_RegExp, DontEnum);
<a name="l00672"></a>00672 global.put(globExec,<span class="stringliteral">"Error"</span>, b_Error, DontEnum);
<a name="l00673"></a>00673 <span class="comment">// Using Internal for those to have something != 0</span>
<a name="l00674"></a>00674 <span class="comment">// (see kjs_window). Maybe DontEnum would be ok too ?</span>
<a name="l00675"></a>00675 global.put(globExec,<span class="stringliteral">"EvalError"</span>,b_evalError, Internal);
<a name="l00676"></a>00676 global.put(globExec,<span class="stringliteral">"RangeError"</span>,b_rangeError, Internal);
<a name="l00677"></a>00677 global.put(globExec,<span class="stringliteral">"ReferenceError"</span>,b_referenceError, Internal);
<a name="l00678"></a>00678 global.put(globExec,<span class="stringliteral">"SyntaxError"</span>,b_syntaxError, Internal);
<a name="l00679"></a>00679 global.put(globExec,<span class="stringliteral">"TypeError"</span>,b_typeError, Internal);
<a name="l00680"></a>00680 global.put(globExec,<span class="stringliteral">"URIError"</span>,b_uriError, Internal);
<a name="l00681"></a>00681
<a name="l00682"></a>00682 <span class="comment">// Set the "constructor" property of all builtin constructors</span>
<a name="l00683"></a>00683 objProto->put(globExec, constructorPropertyName, b_Object, DontEnum | DontDelete | ReadOnly);
<a name="l00684"></a>00684 funcProto->put(globExec, constructorPropertyName, b_Function, DontEnum | DontDelete | ReadOnly);
<a name="l00685"></a>00685 arrayProto->put(globExec, constructorPropertyName, b_Array, DontEnum | DontDelete | ReadOnly);
<a name="l00686"></a>00686 booleanProto->put(globExec, constructorPropertyName, b_Boolean, DontEnum | DontDelete | ReadOnly);
<a name="l00687"></a>00687 stringProto->put(globExec, constructorPropertyName, b_String, DontEnum | DontDelete | ReadOnly);
<a name="l00688"></a>00688 numberProto->put(globExec, constructorPropertyName, b_Number, DontEnum | DontDelete | ReadOnly);
<a name="l00689"></a>00689 dateProto->put(globExec, constructorPropertyName, b_Date, DontEnum | DontDelete | ReadOnly);
<a name="l00690"></a>00690 regexpProto->put(globExec, constructorPropertyName, b_RegExp, DontEnum | DontDelete | ReadOnly);
<a name="l00691"></a>00691 errorProto->put(globExec, constructorPropertyName, b_Error, DontEnum | DontDelete | ReadOnly);
<a name="l00692"></a>00692 b_evalErrorPrototype.put(globExec, constructorPropertyName, b_evalError, DontEnum | DontDelete | ReadOnly);
<a name="l00693"></a>00693 b_rangeErrorPrototype.put(globExec, constructorPropertyName, b_rangeError, DontEnum | DontDelete | ReadOnly);
<a name="l00694"></a>00694 b_referenceErrorPrototype.put(globExec, constructorPropertyName, b_referenceError, DontEnum | DontDelete | ReadOnly);
<a name="l00695"></a>00695 b_syntaxErrorPrototype.put(globExec, constructorPropertyName, b_syntaxError, DontEnum | DontDelete | ReadOnly);
<a name="l00696"></a>00696 b_typeErrorPrototype.put(globExec, constructorPropertyName, b_typeError, DontEnum | DontDelete | ReadOnly);
<a name="l00697"></a>00697 b_uriErrorPrototype.put(globExec, constructorPropertyName, b_uriError, DontEnum | DontDelete | ReadOnly);
<a name="l00698"></a>00698
<a name="l00699"></a>00699 <span class="comment">// built-in values</span>
<a name="l00700"></a>00700 global.put(globExec, <span class="stringliteral">"NaN"</span>, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(NaN), DontEnum|DontDelete);
<a name="l00701"></a>00701 global.put(globExec, <span class="stringliteral">"Infinity"</span>, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(Inf), DontEnum|DontDelete);
<a name="l00702"></a>00702 global.put(globExec, <span class="stringliteral">"undefined"</span>, <a class="code" href="classKJS_1_1Undefined.html" title="Represents an primitive Undefined value.">Undefined</a>(), DontEnum|DontDelete);
<a name="l00703"></a>00703
<a name="l00704"></a>00704 <span class="comment">// built-in functions</span>
<a name="l00705"></a>00705 <span class="preprocessor">#ifdef KJS_PURE_ECMA // otherwise as deprecated Object.prototype property</span>
<a name="l00706"></a>00706 <span class="preprocessor"></span> global.put(globExec,<span class="stringliteral">"eval"</span>,
<a name="l00707"></a>00707 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> GlobalFuncImp(globExec,funcProto,GlobalFuncImp::Eval,1,<span class="stringliteral">"eval"</span>)), DontEnum);
<a name="l00708"></a>00708 <span class="preprocessor">#endif</span>
<a name="l00709"></a>00709 <span class="preprocessor"></span> global.put(globExec,<span class="stringliteral">"parseInt"</span>,
<a name="l00710"></a>00710 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> GlobalFuncImp(globExec,funcProto,GlobalFuncImp::ParseInt,2,<span class="stringliteral">"parseInt"</span>)), DontEnum);
<a name="l00711"></a>00711 global.put(globExec,<span class="stringliteral">"parseFloat"</span>,
<a name="l00712"></a>00712 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> GlobalFuncImp(globExec,funcProto,GlobalFuncImp::ParseFloat,1,<span class="stringliteral">"parseFloat"</span>)), DontEnum);
<a name="l00713"></a>00713 global.put(globExec,<span class="stringliteral">"isNaN"</span>,
<a name="l00714"></a>00714 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> GlobalFuncImp(globExec,funcProto,GlobalFuncImp::IsNaN,1,<span class="stringliteral">"isNaN"</span>)), DontEnum);
<a name="l00715"></a>00715 global.put(globExec,<span class="stringliteral">"isFinite"</span>,
<a name="l00716"></a>00716 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> GlobalFuncImp(globExec,funcProto,GlobalFuncImp::IsFinite,1,<span class="stringliteral">"isFinite"</span>)), DontEnum);
<a name="l00717"></a>00717 global.put(globExec,<span class="stringliteral">"decodeURI"</span>,
<a name="l00718"></a>00718 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> GlobalFuncImp(globExec,funcProto,GlobalFuncImp::DecodeURI,1,<span class="stringliteral">"decodeURI"</span>)),
<a name="l00719"></a>00719 DontEnum);
<a name="l00720"></a>00720 global.put(globExec,<span class="stringliteral">"decodeURIComponent"</span>,
<a name="l00721"></a>00721 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> GlobalFuncImp(globExec,funcProto,GlobalFuncImp::DecodeURIComponent,1,<span class="stringliteral">"decodeURIComponent"</span>)),
<a name="l00722"></a>00722 DontEnum);
<a name="l00723"></a>00723 global.put(globExec,<span class="stringliteral">"encodeURI"</span>,
<a name="l00724"></a>00724 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> GlobalFuncImp(globExec,funcProto,GlobalFuncImp::EncodeURI,1,<span class="stringliteral">"encodeURI"</span>)),
<a name="l00725"></a>00725 DontEnum);
<a name="l00726"></a>00726 global.put(globExec,<span class="stringliteral">"encodeURIComponent"</span>,
<a name="l00727"></a>00727 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> GlobalFuncImp(globExec,funcProto,GlobalFuncImp::EncodeURIComponent,1,<span class="stringliteral">"encodeURIComponent"</span>)),
<a name="l00728"></a>00728 DontEnum);
<a name="l00729"></a>00729 global.put(globExec,<span class="stringliteral">"escape"</span>,
<a name="l00730"></a>00730 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> GlobalFuncImp(globExec,funcProto,GlobalFuncImp::Escape,1,<span class="stringliteral">"escape"</span>)), DontEnum);
<a name="l00731"></a>00731 global.put(globExec,<span class="stringliteral">"unescape"</span>,
<a name="l00732"></a>00732 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> GlobalFuncImp(globExec,funcProto,GlobalFuncImp::UnEscape,1,<span class="stringliteral">"unescape"</span>)), DontEnum);
<a name="l00733"></a>00733 <span class="preprocessor">#ifndef NDEBUG</span>
<a name="l00734"></a>00734 <span class="preprocessor"></span> global.put(globExec,<span class="stringliteral">"kjsprint"</span>,
<a name="l00735"></a>00735 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> GlobalFuncImp(globExec,funcProto,GlobalFuncImp::KJSPrint,1,<span class="stringliteral">"kjsprint"</span>)), DontEnum);
<a name="l00736"></a>00736 <span class="preprocessor">#endif</span>
<a name="l00737"></a>00737 <span class="preprocessor"></span>
<a name="l00738"></a>00738 <span class="comment">// built-in objects</span>
<a name="l00739"></a>00739 global.put(globExec,<span class="stringliteral">"Math"</span>, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(<span class="keyword">new</span> MathObjectImp(globExec,objProto)), DontEnum);
<a name="l00740"></a>00740 }
<a name="l00741"></a>00741
<a name="l00742"></a>00742 InterpreterImp::~InterpreterImp()
<a name="l00743"></a>00743 {
<a name="l00744"></a>00744 <span class="keywordflow">if</span> (dbg)
<a name="l00745"></a>00745 dbg->detach(m_interpreter);
<a name="l00746"></a>00746 <span class="keywordflow">for</span> (SourceCode *s = sources; s; s = s->next)
<a name="l00747"></a>00747 s->interpreter = 0;
<a name="l00748"></a>00748 <span class="keyword">delete</span> globExec;
<a name="l00749"></a>00749 globExec = 0L;
<a name="l00750"></a>00750 clear();
<a name="l00751"></a>00751 }
<a name="l00752"></a>00752
<a name="l00753"></a>00753 <span class="keywordtype">void</span> InterpreterImp::clear()
<a name="l00754"></a>00754 {
<a name="l00755"></a>00755 <span class="comment">//fprintf(stderr,"InterpreterImp::clear\n");</span>
<a name="l00756"></a>00756 <span class="comment">// remove from global chain (see init())</span>
<a name="l00757"></a>00757 lockInterpreter();
<a name="l00758"></a>00758 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/namespaceKStdAccel.html#a3c93cec83afd9c54d443fe78a9899502">next</a>->prev = prev;
<a name="l00759"></a>00759 prev->next = <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/namespaceKStdAccel.html#a3c93cec83afd9c54d443fe78a9899502">next</a>;
<a name="l00760"></a>00760 s_hook = <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/namespaceKStdAccel.html#a3c93cec83afd9c54d443fe78a9899502">next</a>;
<a name="l00761"></a>00761 <span class="keywordflow">if</span> (s_hook == <span class="keyword">this</span>)
<a name="l00762"></a>00762 {
<a name="l00763"></a>00763 <span class="comment">// This was the last interpreter</span>
<a name="l00764"></a>00764 s_hook = 0L;
<a name="l00765"></a>00765 globalClear();
<a name="l00766"></a>00766 }
<a name="l00767"></a>00767 unlockInterpreter();
<a name="l00768"></a>00768 }
<a name="l00769"></a>00769
<a name="l00770"></a>00770 <span class="keywordtype">void</span> InterpreterImp::mark()
<a name="l00771"></a>00771 {
<a name="l00772"></a>00772 <span class="comment">//if (exVal && !exVal->marked())</span>
<a name="l00773"></a>00773 <span class="comment">// exVal->mark();</span>
<a name="l00774"></a>00774 <span class="comment">//if (retVal && !retVal->marked())</span>
<a name="l00775"></a>00775 <span class="comment">// retVal->mark();</span>
<a name="l00776"></a>00776 <span class="keywordflow">if</span> (UndefinedImp::staticUndefined && !UndefinedImp::staticUndefined->marked())
<a name="l00777"></a>00777 UndefinedImp::staticUndefined->mark();
<a name="l00778"></a>00778 <span class="keywordflow">if</span> (NullImp::staticNull && !NullImp::staticNull->marked())
<a name="l00779"></a>00779 NullImp::staticNull->mark();
<a name="l00780"></a>00780 <span class="keywordflow">if</span> (NumberImp::staticNaN && !NumberImp::staticNaN->marked())
<a name="l00781"></a>00781 NumberImp::staticNaN->mark();
<a name="l00782"></a>00782 <span class="keywordflow">if</span> (BooleanImp::staticTrue && !BooleanImp::staticTrue->marked())
<a name="l00783"></a>00783 BooleanImp::staticTrue->mark();
<a name="l00784"></a>00784 <span class="keywordflow">if</span> (BooleanImp::staticFalse && !BooleanImp::staticFalse->marked())
<a name="l00785"></a>00785 BooleanImp::staticFalse->mark();
<a name="l00786"></a>00786 <span class="comment">//fprintf( stderr, "InterpreterImp::mark this=%p global.imp()=%p\n", this, global.imp() );</span>
<a name="l00787"></a>00787 <span class="keywordflow">if</span> (global.imp())
<a name="l00788"></a>00788 global.imp()->mark();
<a name="l00789"></a>00789 <span class="keywordflow">if</span> (m_interpreter)
<a name="l00790"></a>00790 m_interpreter->mark();
<a name="l00791"></a>00791 <span class="keywordflow">if</span> (_context)
<a name="l00792"></a>00792 _context->mark();
<a name="l00793"></a>00793 }
<a name="l00794"></a>00794
<a name="l00795"></a>00795 <span class="keywordtype">bool</span> InterpreterImp::checkSyntax(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &code, <span class="keywordtype">int</span> *errLine, <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> *errMsg)
<a name="l00796"></a>00796 {
<a name="l00797"></a>00797 <span class="comment">// Parser::parse() returns 0 in a syntax error occurs, so we just check for that</span>
<a name="l00798"></a>00798 SourceCode *source;
<a name="l00799"></a>00799 FunctionBodyNode *progNode = Parser::parse(code.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>(),code.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>(),&source,errLine,errMsg);
<a name="l00800"></a>00800 source->deref();
<a name="l00801"></a>00801 <span class="keywordtype">bool</span> ok = (progNode != 0);
<a name="l00802"></a>00802 <span class="keyword">delete</span> progNode;
<a name="l00803"></a>00803 <span class="keywordflow">return</span> ok;
<a name="l00804"></a>00804 }
<a name="l00805"></a>00805
<a name="l00806"></a>00806 <span class="keywordtype">bool</span> InterpreterImp::checkSyntax(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &code)
<a name="l00807"></a>00807 {
<a name="l00808"></a>00808 <span class="comment">// Parser::parse() returns 0 in a syntax error occurs, so we just check for that</span>
<a name="l00809"></a>00809 SourceCode *source;
<a name="l00810"></a>00810 FunctionBodyNode *progNode = Parser::parse(code.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>(),code.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>(),&source,0,0);
<a name="l00811"></a>00811 source->deref();
<a name="l00812"></a>00812 <span class="keywordtype">bool</span> ok = (progNode != 0);
<a name="l00813"></a>00813 <span class="keyword">delete</span> progNode;
<a name="l00814"></a>00814 <span class="keywordflow">return</span> ok;
<a name="l00815"></a>00815 }
<a name="l00816"></a>00816
<a name="l00817"></a>00817 <a class="code" href="classKJS_1_1Completion.html" title="Completion objects are used to convey the return status and value from functions.">Completion</a> InterpreterImp::evaluate(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &code, <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> &thisV)
<a name="l00818"></a>00818 {
<a name="l00819"></a>00819 lockInterpreter();
<a name="l00820"></a>00820
<a name="l00821"></a>00821 <span class="comment">// prevent against infinite recursion</span>
<a name="l00822"></a>00822 <span class="keywordflow">if</span> (recursion >= 20) {
<a name="l00823"></a>00823 <a class="code" href="classKJS_1_1Completion.html" title="Completion objects are used to convey the return status and value from functions.">Completion</a> result = <a class="code" href="classKJS_1_1Completion.html" title="Completion objects are used to convey the return status and value from functions.">Completion</a>(Throw,<a class="code" href="classKJS_1_1Error.html#ad90381467b6e9fbae92c0975852048f2" title="Factory method for error objects.">Error::create</a>(globExec,GeneralError,<span class="stringliteral">"Recursion too deep"</span>));
<a name="l00824"></a>00824 unlockInterpreter();
<a name="l00825"></a>00825 <span class="keywordflow">return</span> result;
<a name="l00826"></a>00826 }
<a name="l00827"></a>00827
<a name="l00828"></a>00828 <span class="comment">// parse the source code</span>
<a name="l00829"></a>00829 <span class="keywordtype">int</span> errLine;
<a name="l00830"></a>00830 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> errMsg;
<a name="l00831"></a>00831 SourceCode *source;
<a name="l00832"></a>00832 FunctionBodyNode *progNode = Parser::parse(code.<a class="code" href="classKJS_1_1UString.html#a7dd595aa3385b55938014b32a0e88d0e">data</a>(),code.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>(),&source,&errLine,&errMsg);
<a name="l00833"></a>00833
<a name="l00834"></a>00834 <span class="comment">// notify debugger that source has been parsed</span>
<a name="l00835"></a>00835 <span class="keywordflow">if</span> (dbg) {
<a name="l00836"></a>00836 <span class="keywordtype">bool</span> cont = dbg->sourceParsed(globExec,source->sid,code,errLine);
<a name="l00837"></a>00837 <span class="keywordflow">if</span> (!cont) {
<a name="l00838"></a>00838 source->deref();
<a name="l00839"></a>00839 <span class="keywordflow">if</span> (progNode)
<a name="l00840"></a>00840 <span class="keyword">delete</span> progNode;
<a name="l00841"></a>00841 unlockInterpreter();
<a name="l00842"></a>00842 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Completion.html" title="Completion objects are used to convey the return status and value from functions.">Completion</a>(Break);
<a name="l00843"></a>00843 }
<a name="l00844"></a>00844 }
<a name="l00845"></a>00845
<a name="l00846"></a>00846 addSourceCode(source);
<a name="l00847"></a>00847
<a name="l00848"></a>00848 <span class="comment">// no program node means a syntax error occurred</span>
<a name="l00849"></a>00849 <span class="keywordflow">if</span> (!progNode) {
<a name="l00850"></a>00850 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> err = <a class="code" href="classKJS_1_1Error.html#ad90381467b6e9fbae92c0975852048f2" title="Factory method for error objects.">Error::create</a>(globExec,SyntaxError,errMsg.<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>(),errLine);
<a name="l00851"></a>00851 err.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(globExec,<span class="stringliteral">"sid"</span>,<a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(source->sid));
<a name="l00852"></a>00852 globExec->setException(err); <span class="comment">// required to notify the debugger</span>
<a name="l00853"></a>00853 globExec->clearException();
<a name="l00854"></a>00854 source->deref();
<a name="l00855"></a>00855 unlockInterpreter();
<a name="l00856"></a>00856 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Completion.html" title="Completion objects are used to convey the return status and value from functions.">Completion</a>(Throw,err);
<a name="l00857"></a>00857 }
<a name="l00858"></a>00858 source->deref();
<a name="l00859"></a>00859
<a name="l00860"></a>00860 globExec->clearException();
<a name="l00861"></a>00861
<a name="l00862"></a>00862 recursion++;
<a name="l00863"></a>00863 progNode->ref();
<a name="l00864"></a>00864
<a name="l00865"></a>00865 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &globalObj = globalObject();
<a name="l00866"></a>00866 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> thisObj = globalObject();
<a name="l00867"></a>00867
<a name="l00868"></a>00868 <span class="keywordflow">if</span> (thisV.<a class="code" href="classKJS_1_1Value.html#acd8509ab6b7622c16fdf021803fdd2cb" title="Returns whether or not this is a valid value.">isValid</a>()) {
<a name="l00869"></a>00869 <span class="comment">// "this" must be an object... use same rules as Function.prototype.apply()</span>
<a name="l00870"></a>00870 <span class="keywordflow">if</span> (thisV.<a class="code" href="classKJS_1_1Value.html#a1704785fc8140c274b0e7ec03eb0dfe2" title="Checks whether or not the value is of a particular tpye.">isA</a>(NullType) || thisV.<a class="code" href="classKJS_1_1Value.html#a1704785fc8140c274b0e7ec03eb0dfe2" title="Checks whether or not the value is of a particular tpye.">isA</a>(UndefinedType))
<a name="l00871"></a>00871 thisObj = globalObject();
<a name="l00872"></a>00872 <span class="keywordflow">else</span> {
<a name="l00873"></a>00873 thisObj = thisV.<a class="code" href="classKJS_1_1Value.html#a072d956ce72fd1387bacb27dc466239d" title="Performs the ToObject type conversion operation on this value (ECMA 9.9)">toObject</a>(globExec);
<a name="l00874"></a>00874 }
<a name="l00875"></a>00875 }
<a name="l00876"></a>00876
<a name="l00877"></a>00877 <a class="code" href="classKJS_1_1Completion.html" title="Completion objects are used to convey the return status and value from functions.">Completion</a> res;
<a name="l00878"></a>00878 <span class="keywordflow">if</span> (globExec->hadException()) {
<a name="l00879"></a>00879 <span class="comment">// the thisArg.toObject() conversion above might have thrown an exception - if so,</span>
<a name="l00880"></a>00880 <span class="comment">// propagate it back</span>
<a name="l00881"></a>00881 res = <a class="code" href="classKJS_1_1Completion.html" title="Completion objects are used to convey the return status and value from functions.">Completion</a>(Throw,globExec->exception());
<a name="l00882"></a>00882 }
<a name="l00883"></a>00883 <span class="keywordflow">else</span> {
<a name="l00884"></a>00884 <span class="comment">// execute the code</span>
<a name="l00885"></a>00885 <a class="code" href="classKJS_1_1ContextImp.html" title="Execution context.">ContextImp</a> ctx(globalObj, <span class="keyword">this</span>, thisObj, source->sid);
<a name="l00886"></a>00886 <a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> newExec(m_interpreter,&ctx);
<a name="l00887"></a>00887
<a name="l00888"></a>00888 <span class="comment">// create variables (initialized to undefined until var statements</span>
<a name="l00889"></a>00889 <span class="comment">// with optional initializers are executed)</span>
<a name="l00890"></a>00890 progNode->processVarDecls(&newExec);
<a name="l00891"></a>00891
<a name="l00892"></a>00892 ctx.setLines(progNode->firstLine(),progNode->firstLine());
<a name="l00893"></a>00893 <span class="keywordtype">bool</span> abort = <span class="keyword">false</span>;
<a name="l00894"></a>00894 <span class="keywordflow">if</span> (dbg) {
<a name="l00895"></a>00895 <span class="keywordflow">if</span> (!dbg->enterContext(&newExec)) {
<a name="l00896"></a>00896 <span class="comment">// debugger requested we stop execution</span>
<a name="l00897"></a>00897 dbg->imp()->abort();
<a name="l00898"></a>00898 abort = <span class="keyword">true</span>;
<a name="l00899"></a>00899 }
<a name="l00900"></a>00900 }
<a name="l00901"></a>00901
<a name="l00902"></a>00902 <span class="keywordflow">if</span> (!abort) {
<a name="l00903"></a>00903 ctx.setLines(progNode->lastLine(),progNode->lastLine());
<a name="l00904"></a>00904 res = progNode->execute(&newExec);
<a name="l00905"></a>00905 <span class="keywordflow">if</span> (dbg && !dbg->exitContext(&newExec,res)) {
<a name="l00906"></a>00906 <span class="comment">// debugger requested we stop execution</span>
<a name="l00907"></a>00907 dbg->imp()->abort();
<a name="l00908"></a>00908 unlockInterpreter();
<a name="l00909"></a>00909 res = <a class="code" href="classKJS_1_1Completion.html" title="Completion objects are used to convey the return status and value from functions.">Completion</a>(ReturnValue,<a class="code" href="classKJS_1_1Undefined.html" title="Represents an primitive Undefined value.">Undefined</a>());
<a name="l00910"></a>00910 }
<a name="l00911"></a>00911 }
<a name="l00912"></a>00912 }
<a name="l00913"></a>00913
<a name="l00914"></a>00914 <span class="keywordflow">if</span> (progNode->deref())
<a name="l00915"></a>00915 <span class="keyword">delete</span> progNode;
<a name="l00916"></a>00916 recursion--;
<a name="l00917"></a>00917
<a name="l00918"></a>00918 <span class="keywordflow">if</span> (globExec->hadException()) {
<a name="l00919"></a>00919 res = <a class="code" href="classKJS_1_1Completion.html" title="Completion objects are used to convey the return status and value from functions.">Completion</a>(Throw,globExec->exception());
<a name="l00920"></a>00920 globExec->clearException();
<a name="l00921"></a>00921 }
<a name="l00922"></a>00922
<a name="l00923"></a>00923 unlockInterpreter();
<a name="l00924"></a>00924 <span class="keywordflow">return</span> res;
<a name="l00925"></a>00925 }
<a name="l00926"></a>00926
<a name="l00927"></a>00927 <span class="keywordtype">void</span> InterpreterImp::setDebugger(Debugger *d)
<a name="l00928"></a>00928 {
<a name="l00929"></a>00929 <span class="keywordflow">if</span> (d == dbg)
<a name="l00930"></a>00930 <span class="keywordflow">return</span>;
<a name="l00931"></a>00931 <span class="comment">// avoid recursion</span>
<a name="l00932"></a>00932 Debugger *old = dbg;
<a name="l00933"></a>00933 dbg = d;
<a name="l00934"></a>00934 <span class="keywordflow">if</span> ( old )
<a name="l00935"></a>00935 old->detach(m_interpreter);
<a name="l00936"></a>00936 }
<a name="l00937"></a>00937
<a name="l00938"></a>00938 <span class="keywordtype">void</span> InterpreterImp::addSourceCode(SourceCode *code)
<a name="l00939"></a>00939 {
<a name="l00940"></a>00940 assert(!code->next);
<a name="l00941"></a>00941 assert(!code->interpreter);
<a name="l00942"></a>00942 code->next = sources;
<a name="l00943"></a>00943 code->interpreter = <span class="keyword">this</span>;
<a name="l00944"></a>00944 sources = code;
<a name="l00945"></a>00945 }
<a name="l00946"></a>00946
<a name="l00947"></a>00947 <span class="keywordtype">void</span> InterpreterImp::removeSourceCode(SourceCode *code)
<a name="l00948"></a>00948 {
<a name="l00949"></a>00949 assert(code);
<a name="l00950"></a>00950 assert(sources);
<a name="l00951"></a>00951
<a name="l00952"></a>00952 <span class="keywordflow">if</span> (code == sources) {
<a name="l00953"></a>00953 sources = sources->next;
<a name="l00954"></a>00954 <span class="keywordflow">return</span>;
<a name="l00955"></a>00955 }
<a name="l00956"></a>00956
<a name="l00957"></a>00957 SourceCode *prev = sources;
<a name="l00958"></a>00958 SourceCode *cur = sources->next;
<a name="l00959"></a>00959 <span class="keywordflow">while</span> (cur != code) {
<a name="l00960"></a>00960 assert(cur);
<a name="l00961"></a>00961 prev = cur;
<a name="l00962"></a>00962 cur = cur->next;
<a name="l00963"></a>00963 }
<a name="l00964"></a>00964
<a name="l00965"></a>00965 prev->next = cur->next;
<a name="l00966"></a>00966 }
<a name="l00967"></a>00967
<a name="l00968"></a>00968 <span class="comment">// ------------------------------ InternalFunctionImp --------------------------</span>
<a name="l00969"></a>00969
<a name="l00970"></a>00970 <span class="keyword">const</span> <a class="code" href="structKJS_1_1ClassInfo.html" title="Class Information.">ClassInfo</a> InternalFunctionImp::info = {<span class="stringliteral">"Function"</span>, 0, 0, 0};
<a name="l00971"></a>00971
<a name="l00972"></a><a class="code" href="classKJS_1_1InternalFunctionImp.html#af62413a9d47abd3075f60c6023256025">00972</a> <a class="code" href="classKJS_1_1InternalFunctionImp.html#af62413a9d47abd3075f60c6023256025" title="Constructor.">InternalFunctionImp::InternalFunctionImp</a>(<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="l00973"></a>00973 : ObjectImp(funcProto)
<a name="l00974"></a>00974 {
<a name="l00975"></a>00975 }
<a name="l00976"></a>00976
<a name="l00977"></a>00977 <a class="code" href="classKJS_1_1InternalFunctionImp.html#af62413a9d47abd3075f60c6023256025" title="Constructor.">InternalFunctionImp::InternalFunctionImp</a>(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec)
<a name="l00978"></a>00978 : ObjectImp(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->interpreter()->builtinFunctionPrototype().imp()))
<a name="l00979"></a>00979 {
<a name="l00980"></a>00980 }
<a name="l00981"></a>00981
<a name="l00982"></a>00982 <span class="keywordtype">bool</span> InternalFunctionImp::implementsHasInstance()<span class="keyword"> const</span>
<a name="l00983"></a>00983 <span class="keyword"></span>{
<a name="l00984"></a>00984 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00985"></a>00985 }
<a name="l00986"></a>00986
<a name="l00987"></a>00987 <a class="code" href="classKJS_1_1Boolean.html" title="Represents an primitive Boolean value.">Boolean</a> InternalFunctionImp::hasInstance(<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_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> &value)
<a name="l00988"></a>00988 {
<a name="l00989"></a>00989 <span class="keywordflow">if</span> (value.<a class="code" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657" title="Returns the type of value.">type</a>() != ObjectType)
<a name="l00990"></a>00990 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Boolean.html" title="Represents an primitive Boolean value.">Boolean</a>(<span class="keyword">false</span>);
<a name="l00991"></a>00991
<a name="l00992"></a>00992 <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> prot = <span class="keyword">get</span>(exec,prototypePropertyName);
<a name="l00993"></a>00993 <span class="keywordflow">if</span> (prot.<a class="code" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657" title="Returns the type of value.">type</a>() != ObjectType && prot.<a class="code" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657" title="Returns the type of value.">type</a>() != NullType) {
<a name="l00994"></a>00994 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> err = <a class="code" href="classKJS_1_1Error.html#ad90381467b6e9fbae92c0975852048f2" title="Factory method for error objects.">Error::create</a>(exec, TypeError, <span class="stringliteral">"Invalid prototype encountered "</span>
<a name="l00995"></a>00995 <span class="stringliteral">"in instanceof operation."</span>);
<a name="l00996"></a>00996 exec->setException(err);
<a name="l00997"></a>00997 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Boolean.html" title="Represents an primitive Boolean value.">Boolean</a>(<span class="keyword">false</span>);
<a name="l00998"></a>00998 }
<a name="l00999"></a>00999
<a name="l01000"></a>01000 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> v = <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a>(static_cast<ObjectImp*>(value.imp()));
<a name="l01001"></a>01001 <span class="keywordflow">while</span> ((v = <a class="code" href="classKJS_1_1Object.html#ab12ea86cb49e21ea6c5547507f8d128e" title="Converts a Value into an Object.">Object::dynamicCast</a>(v.<a class="code" href="classKJS_1_1Object.html#a2cff3f0240090b1e18bb1fe0160ae7cd" title="Returns the prototype of this object.">prototype</a>())).imp()) {
<a name="l01002"></a>01002 <span class="keywordflow">if</span> (v.imp() == prot.imp())
<a name="l01003"></a>01003 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Boolean.html" title="Represents an primitive Boolean value.">Boolean</a>(<span class="keyword">true</span>);
<a name="l01004"></a>01004 }
<a name="l01005"></a>01005 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Boolean.html" title="Represents an primitive Boolean value.">Boolean</a>(<span class="keyword">false</span>);
<a name="l01006"></a>01006 }
<a name="l01007"></a>01007
<a name="l01008"></a>01008 <span class="comment">// ------------------------------ global functions -----------------------------</span>
<a name="l01009"></a>01009
<a name="l01010"></a>01010 <span class="keywordtype">double</span> KJS::roundValue(<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_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> &v)
<a name="l01011"></a>01011 {
<a name="l01012"></a>01012 <span class="keywordtype">double</span> n = v.<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);
<a name="l01013"></a>01013 <span class="keywordflow">if</span> (isNaN(n) || isInf(n))
<a name="l01014"></a>01014 <span class="keywordflow">return</span> n;
<a name="l01015"></a>01015 <span class="keywordtype">double</span> an = fabs(n);
<a name="l01016"></a>01016 <span class="keywordflow">if</span> (an == 0.0)
<a name="l01017"></a>01017 <span class="keywordflow">return</span> n;
<a name="l01018"></a>01018 <span class="keywordtype">double</span> d = floor(an);
<a name="l01019"></a>01019 <span class="keywordflow">if</span> (n < 0)
<a name="l01020"></a>01020 d *= -1;
<a name="l01021"></a>01021
<a name="l01022"></a>01022 <span class="keywordflow">return</span> d;
<a name="l01023"></a>01023 }
<a name="l01024"></a>01024
<a name="l01025"></a>01025 <span class="preprocessor">#ifndef NDEBUG</span>
<a name="l01026"></a>01026 <span class="preprocessor"></span><span class="preprocessor">#include <stdio.h></span>
<a name="l01027"></a>01027 <span class="keywordtype">void</span> KJS::printInfo(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <span class="keywordtype">char</span> *s, <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> &o, <span class="keywordtype">int</span> lineno)
<a name="l01028"></a>01028 {
<a name="l01029"></a>01029 <span class="keywordflow">if</span> (!o.<a class="code" href="classKJS_1_1Value.html#acd8509ab6b7622c16fdf021803fdd2cb" title="Returns whether or not this is a valid value.">isValid</a>())
<a name="l01030"></a>01030 fprintf(stderr, <span class="stringliteral">"KJS: %s: (null)"</span>, s);
<a name="l01031"></a>01031 <span class="keywordflow">else</span> {
<a name="l01032"></a>01032 <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 = o;
<a name="l01033"></a>01033 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> arrayLength = 0;
<a name="l01034"></a>01034 <span class="keywordtype">bool</span> hadExcep = exec->hadException();
<a name="l01035"></a>01035
<a name="l01036"></a>01036 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/namespaceKStdAccel.html#a737bc2466b1f000625fe8ebddffbb09d">name</a>;
<a name="l01037"></a>01037 <span class="keywordflow">switch</span> ( v.<a class="code" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657" title="Returns the type of value.">type</a>() ) {
<a name="l01038"></a>01038 <span class="keywordflow">case</span> UnspecifiedType:
<a name="l01039"></a>01039 name = <span class="stringliteral">"Unspecified"</span>;
<a name="l01040"></a>01040 <span class="keywordflow">break</span>;
<a name="l01041"></a>01041 <span class="keywordflow">case</span> UndefinedType:
<a name="l01042"></a>01042 name = <span class="stringliteral">"Undefined"</span>;
<a name="l01043"></a>01043 <span class="keywordflow">break</span>;
<a name="l01044"></a>01044 <span class="keywordflow">case</span> NullType:
<a name="l01045"></a>01045 name = <span class="stringliteral">"Null"</span>;
<a name="l01046"></a>01046 <span class="keywordflow">break</span>;
<a name="l01047"></a>01047 <span class="keywordflow">case</span> BooleanType:
<a name="l01048"></a>01048 name = <span class="stringliteral">"Boolean"</span>;
<a name="l01049"></a>01049 <span class="keywordflow">break</span>;
<a name="l01050"></a>01050 <span class="keywordflow">case</span> StringType:
<a name="l01051"></a>01051 name = <span class="stringliteral">"String"</span>;
<a name="l01052"></a>01052 <span class="keywordflow">break</span>;
<a name="l01053"></a>01053 <span class="keywordflow">case</span> NumberType:
<a name="l01054"></a>01054 name = <span class="stringliteral">"Number"</span>;
<a name="l01055"></a>01055 <span class="keywordflow">break</span>;
<a name="l01056"></a>01056 <span class="keywordflow">case</span> ObjectType: {
<a name="l01057"></a>01057 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> obj = <a class="code" href="classKJS_1_1Object.html#ab12ea86cb49e21ea6c5547507f8d128e" title="Converts a Value into an Object.">Object::dynamicCast</a>(v);
<a name="l01058"></a>01058 name = obj.<a class="code" href="classKJS_1_1Object.html#a17276492a78bac1b2a6f777d6dc819a3" title="Returns the class name of the object.">className</a>();
<a name="l01059"></a>01059 <span class="keywordflow">if</span> (name.<a class="code" href="classKJS_1_1UString.html#a13c9d3fb7c7f081736b28ee2d76471d4">isNull</a>())
<a name="l01060"></a>01060 name = <span class="stringliteral">"(unknown class)"</span>;
<a name="l01061"></a>01061 <span class="keywordflow">if</span> ( obj.inherits(&ArrayInstanceImp::info) )
<a name="l01062"></a>01062 arrayLength = obj.<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="l01063"></a>01063 }
<a name="l01064"></a>01064 <span class="keywordflow">break</span>;
<a name="l01065"></a>01065 }
<a name="l01066"></a>01066 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> vString;
<a name="l01067"></a>01067 <span class="comment">// Avoid calling toString on a huge array (e.g. 4 billion elements, in mozilla/js/js1_5/Array/array-001.js)</span>
<a name="l01068"></a>01068 <span class="keywordflow">if</span> ( arrayLength > 100 )
<a name="l01069"></a>01069 vString = <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a>( <span class="stringliteral">"[ Array with "</span> ) + <a class="code" href="classKJS_1_1UString.html#afa4fb189e0a0a6094b54516833eb0257" title="Constructs a string from an int.">UString::from</a>( arrayLength ) + <span class="stringliteral">" elements ]"</span>;
<a name="l01070"></a>01070 <span class="keywordflow">else</span>
<a name="l01071"></a>01071 vString = v.<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="l01072"></a>01072 <span class="keywordflow">if</span> ( !hadExcep )
<a name="l01073"></a>01073 exec->clearException();
<a name="l01074"></a>01074 <span class="keywordflow">if</span> ( vString.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>() > 50 )
<a name="l01075"></a>01075 vString = vString.<a class="code" href="classKJS_1_1UString.html#a9803bb317f9ad51ce189c2f688cf1941">substr</a>( 0, 50 ) + <span class="stringliteral">"..."</span>;
<a name="l01076"></a>01076 <span class="comment">// Can't use two UString::ascii() in the same fprintf call</span>
<a name="l01077"></a>01077 <a class="code" href="classKJS_1_1CString.html" title="8 bit char based string class">CString</a> tempString( vString.<a class="code" href="classKJS_1_1UString.html#a8698c19cee7a6ac284cedcc213a16149">cstring</a>() );
<a name="l01078"></a>01078
<a name="l01079"></a>01079 fprintf(stderr, <span class="stringliteral">"KJS: %s: %s : %s (%p)"</span>,
<a name="l01080"></a>01080 s, tempString.c_str(), name.<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>(), (<span class="keywordtype">void</span>*)v.imp());
<a name="l01081"></a>01081
<a name="l01082"></a>01082 <span class="keywordflow">if</span> (lineno >= 0)
<a name="l01083"></a>01083 fprintf(stderr, <span class="stringliteral">", line %d\n"</span>,lineno);
<a name="l01084"></a>01084 <span class="keywordflow">else</span>
<a name="l01085"></a>01085 fprintf(stderr, <span class="stringliteral">"\n"</span>);
<a name="l01086"></a>01086 }
<a name="l01087"></a>01087 }
<a name="l01088"></a>01088 <span class="preprocessor">#endif</span>
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