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<div class="title">error_object.cpp</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- c-basic-offset: 2 -*-</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * This file is part of the KDE libraries</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (C) 2003 Apple Computer, Inc.</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00008"></a>00008 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00009"></a>00009 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00010"></a>00010 <span class="comment"> * version 2 of the License, or (at your option) any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00015"></a>00015 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00018"></a>00018 <span class="comment"> * License along with this library; if not, write to the Free Software</span>
<a name="l00019"></a>00019 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00020"></a>00020 <span class="comment"> *</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include "value.h"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "object.h"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "types.h"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "interpreter.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "operations.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "error_object.h"</span>
<a name="l00029"></a>00029 <span class="comment">//#include "debugger.h"</span>
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="keyword">using namespace </span>KJS;
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="comment">// ------------------------------ ErrorInstanceImp ----------------------------</span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="keyword">const</span> <a class="code" href="structKJS_1_1ClassInfo.html" title="Class Information.">ClassInfo</a> ErrorInstanceImp::info = {<span class="stringliteral">"Error"</span>, 0, 0, 0};
<a name="l00036"></a>00036
<a name="l00037"></a>00037 ErrorInstanceImp::ErrorInstanceImp(ObjectImp *proto)
<a name="l00038"></a>00038 : ObjectImp(proto)
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 }
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="comment">// ------------------------------ ErrorPrototypeImp ----------------------------</span>
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="comment">// ECMA 15.9.4</span>
<a name="l00045"></a>00045 ErrorPrototypeImp::ErrorPrototypeImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec,
<a name="l00046"></a>00046 ObjectPrototypeImp *objectProto,
<a name="l00047"></a>00047 <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="l00048"></a>00048 : ObjectImp(objectProto)
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00051"></a>00051 setInternalValue(<a class="code" href="classKJS_1_1Undefined.html" title="Represents an primitive Undefined value.">Undefined</a>());
<a name="l00052"></a>00052 <span class="comment">// The constructor will be added later in ErrorObjectImp's constructor</span>
<a name="l00053"></a>00053
<a name="l00054"></a>00054 put(exec, namePropertyName, <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(<span class="stringliteral">"Error"</span>), DontEnum);
<a name="l00055"></a>00055 put(exec, messagePropertyName, <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(<span class="stringliteral">"Unknown error"</span>), DontEnum);
<a name="l00056"></a>00056 putDirect(toStringPropertyName, <span class="keyword">new</span> ErrorProtoFuncImp(exec,funcProto), DontEnum);
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="comment">// ------------------------------ ErrorProtoFuncImp ----------------------------</span>
<a name="l00060"></a>00060
<a name="l00061"></a>00061 ErrorProtoFuncImp::ErrorProtoFuncImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> * <span class="comment">/*exec*/</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> *funcProto)
<a name="l00062"></a>00062 : <a class="code" href="classKJS_1_1InternalFunctionImp.html" title="Base class for all function objects.">InternalFunctionImp</a>(funcProto)
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00065"></a>00065 putDirect(lengthPropertyName, NumberImp::zero(), DontDelete|ReadOnly|DontEnum);
<a name="l00066"></a>00066 ident = <span class="stringliteral">"toString"</span>;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordtype">bool</span> ErrorProtoFuncImp::implementsCall()<span class="keyword"> const</span>
<a name="l00070"></a>00070 <span class="keyword"></span>{
<a name="l00071"></a>00071 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <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> ErrorProtoFuncImp::call(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &thisObj, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &<span class="comment">/*args*/</span>)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="comment">// toString()</span>
<a name="l00077"></a>00077 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> s = <span class="stringliteral">"Error"</span>;
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <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 = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, namePropertyName);
<a name="l00080"></a>00080 <span class="keywordflow">if</span> (v.<a class="code" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657" title="Returns the type of value.">type</a>() != UndefinedType) {
<a name="l00081"></a>00081 s = 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="l00082"></a>00082 }
<a name="l00083"></a>00083
<a name="l00084"></a>00084 v = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec, messagePropertyName);
<a name="l00085"></a>00085 <span class="keywordflow">if</span> (v.<a class="code" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657" title="Returns the type of value.">type</a>() != UndefinedType) {
<a name="l00086"></a>00086 s += <span class="stringliteral">": "</span> + 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); <span class="comment">// Mozilla compatible format</span>
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(s);
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="comment">// ------------------------------ ErrorObjectImp -------------------------------</span>
<a name="l00093"></a>00093
<a name="l00094"></a>00094 ErrorObjectImp::ErrorObjectImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> * <span class="comment">/*exec*/</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> *funcProto,
<a name="l00095"></a>00095 ErrorPrototypeImp *errorProto)
<a name="l00096"></a>00096 : <a class="code" href="classKJS_1_1InternalFunctionImp.html" title="Base class for all function objects.">InternalFunctionImp</a>(funcProto)
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00099"></a>00099 <span class="comment">// ECMA 15.11.3.1 Error.prototype</span>
<a name="l00100"></a>00100 putDirect(prototypePropertyName, errorProto, DontEnum|DontDelete|ReadOnly);
<a name="l00101"></a>00101 putDirect(lengthPropertyName, NumberImp::one(), DontDelete|ReadOnly|DontEnum);
<a name="l00102"></a>00102 <span class="comment">//putDirect(namePropertyName, String(n));</span>
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keywordtype">bool</span> ErrorObjectImp::implementsConstruct()<span class="keyword"> const</span>
<a name="l00106"></a>00106 <span class="keyword"></span>{
<a name="l00107"></a>00107 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="comment">// ECMA 15.9.3</span>
<a name="l00111"></a>00111 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> ErrorObjectImp::construct(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args)
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> proto = <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#ad02aee98b852a7ae0621279b1ac6b6da" title="Returns the builtin "Error.prototype" object.">builtinErrorPrototype</a>());
<a name="l00114"></a>00114 ObjectImp *imp = <span class="keyword">new</span> ErrorInstanceImp(proto.imp());
<a name="l00115"></a>00115 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> obj(imp);
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="keywordflow">if</span> (!args.<a class="code" href="classKJS_1_1List.html#a6356629da9e2c8cff0e0cbe9f7f61bac">isEmpty</a>() && args[0].type() != UndefinedType) {
<a name="l00118"></a>00118 imp->putDirect(messagePropertyName, <span class="keyword">new</span> StringImp(args[0].toString(exec)));
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keywordflow">return</span> obj;
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keywordtype">bool</span> ErrorObjectImp::implementsCall()<span class="keyword"> const</span>
<a name="l00125"></a>00125 <span class="keyword"></span>{
<a name="l00126"></a>00126 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="comment">// ECMA 15.9.2</span>
<a name="l00130"></a>00130 <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> ErrorObjectImp::call(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &<span class="comment">/*thisObj*/</span>, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args)
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 <span class="comment">// "Error()" gives the sames result as "new Error()"</span>
<a name="l00133"></a>00133 <span class="keywordflow">return</span> construct(exec,args);
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="comment">// ------------------------------ NativeErrorPrototypeImp ----------------------</span>
<a name="l00137"></a>00137
<a name="l00138"></a>00138 NativeErrorPrototypeImp::NativeErrorPrototypeImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> * <span class="comment">/*exec*/</span>, ErrorPrototypeImp *errorProto,
<a name="l00139"></a>00139 ErrorType et, <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> name, <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> message)
<a name="l00140"></a>00140 : ObjectImp(errorProto)
<a name="l00141"></a>00141 {
<a name="l00142"></a>00142 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00143"></a>00143 errType = et;
<a name="l00144"></a>00144 putDirect(namePropertyName, <span class="keyword">new</span> StringImp(name), 0);
<a name="l00145"></a>00145 putDirect(messagePropertyName, <span class="keyword">new</span> StringImp(message), 0);
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="comment">// ------------------------------ NativeErrorImp -------------------------------</span>
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="keyword">const</span> <a class="code" href="structKJS_1_1ClassInfo.html" title="Class Information.">ClassInfo</a> NativeErrorImp::info = {<span class="stringliteral">"Function"</span>, &InternalFunctionImp::info, 0, 0};
<a name="l00151"></a>00151
<a name="l00152"></a>00152 NativeErrorImp::NativeErrorImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> * <span class="comment">/*exec*/</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> *funcProto,
<a name="l00153"></a>00153 <span class="keyword">const</span> <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &prot)
<a name="l00154"></a>00154 : <a class="code" href="classKJS_1_1InternalFunctionImp.html" title="Base class for all function objects.">InternalFunctionImp</a>(funcProto), proto(0)
<a name="l00155"></a>00155 {
<a name="l00156"></a>00156 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00157"></a>00157 proto = <span class="keyword">static_cast<</span>ObjectImp*<span class="keyword">></span>(prot.imp());
<a name="l00158"></a>00158
<a name="l00159"></a>00159 putDirect(lengthPropertyName, NumberImp::one(), DontDelete|ReadOnly|DontEnum); <span class="comment">// ECMA 15.11.7.5</span>
<a name="l00160"></a>00160 putDirect(prototypePropertyName, proto, DontDelete|ReadOnly|DontEnum);
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="keywordtype">bool</span> NativeErrorImp::implementsConstruct()<span class="keyword"> const</span>
<a name="l00164"></a>00164 <span class="keyword"></span>{
<a name="l00165"></a>00165 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> NativeErrorImp::construct(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args)
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170 ObjectImp *imp = <span class="keyword">new</span> ErrorInstanceImp(proto);
<a name="l00171"></a>00171 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> obj(imp);
<a name="l00172"></a>00172 <span class="keywordflow">if</span> (args[0].type() != UndefinedType)
<a name="l00173"></a>00173 imp->putDirect(messagePropertyName, <span class="keyword">new</span> StringImp(args[0].toString(exec)));
<a name="l00174"></a>00174 <span class="keywordflow">return</span> obj;
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="keywordtype">bool</span> NativeErrorImp::implementsCall()<span class="keyword"> const</span>
<a name="l00178"></a>00178 <span class="keyword"></span>{
<a name="l00179"></a>00179 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <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> NativeErrorImp::call(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &<span class="comment">/*thisObj*/</span>, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args)
<a name="l00183"></a>00183 {
<a name="l00184"></a>00184 <span class="keywordflow">return</span> construct(exec,args);
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="keywordtype">void</span> NativeErrorImp::mark()
<a name="l00188"></a>00188 {
<a name="l00189"></a>00189 ObjectImp::mark();
<a name="l00190"></a>00190 <span class="keywordflow">if</span> (proto && !proto->marked())
<a name="l00191"></a>00191 proto->mark();
<a name="l00192"></a>00192 }
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