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<h1>MTParserMacroFunc.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include "<a class="code" href="MTParserMacroFunc_8h.html">MTParserMacroFunc.h</a>"</span>
<a name="l00002"></a>00002 <span class="preprocessor">#include "<a class="code" href="MTTools_8h.html">MTTools.h</a>"</span>
<a name="l00003"></a>00003 <span class="preprocessor">#include "<a class="code" href="MTParser_8h.html">MTParser.h</a>"</span>
<a name="l00004"></a>00004 <span class="preprocessor">#include "<a class="code" href="MTParserPrivate_8h.html">MTParserPrivate.h</a>"</span>
<a name="l00005"></a>00005
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="comment">//*************************************</span>
<a name="l00008"></a>00008 <span class="comment">// MTMacroFct</span>
<a name="l00009"></a>00009
<a name="l00010"></a><a class="code" href="classMTMacroFct.html#a8">00010</a> <a class="code" href="classMTMacroFct.html#a8">MTMacroFct::MTMacroFct</a>()
<a name="l00011"></a>00011 {
<a name="l00012"></a>00012 m_pVars = NULL;
<a name="l00013"></a>00013 m_isCreated = <span class="keyword">false</span>;
<a name="l00014"></a>00014 m_pParser = NULL;
<a name="l00015"></a>00015
<a name="l00016"></a>00016
<a name="l00017"></a>00017 }
<a name="l00018"></a><a class="code" href="classMTMacroFct.html#a10">00018</a> <a class="code" href="classMTMacroFct.html#a10">MTMacroFct::~MTMacroFct</a>()
<a name="l00019"></a>00019 {
<a name="l00020"></a>00020 clean();
<a name="l00021"></a>00021 }
<a name="l00022"></a>00022
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="keywordtype">void</span> MTMacroFct::clean()
<a name="l00025"></a>00025 {
<a name="l00026"></a>00026 <span class="keywordflow">if</span>( m_pVars != NULL )
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028 <span class="keyword">delete</span> []m_pVars;
<a name="l00029"></a>00029 m_pVars = NULL;
<a name="l00030"></a>00030 }
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keywordflow">if</span>( m_pParser != NULL )
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 <span class="keyword">delete</span> m_pParser;
<a name="l00035"></a>00035 m_pParser = NULL;
<a name="l00036"></a>00036 }
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keywordtype">void</span> MTMacroFct::parsePrototype(<span class="keyword">const</span> <a class="code" href="MTUnicodeANSIDefs_8h.html#a0">MTSTRING</a> &prototype, <span class="keyword">const</span> <a class="code" href="structMTSyntax.html">MTSyntax</a> &syntax, <a class="code" href="MTUnicodeANSIDefs_8h.html#a0">MTSTRING</a> &name, std::vector<MTSTRING> &args) <span class="keywordflow">throw</span>(<a class="code" href="classMTChainedExceptions.html">MTParserException</a>)
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos;
<a name="l00042"></a>00042 <span class="keywordtype">bool</span> found;
<a name="l00043"></a>00043 std::vector<unsigned int> originalPos;
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <a class="code" href="MTUnicodeANSIDefs_8h.html#a0">MTSTRING</a> prototype2;
<a name="l00046"></a>00046 <a class="code" href="namespaceMTTools.html#a4">MTTools::removeSpaces</a>(prototype, originalPos, prototype2);
<a name="l00047"></a>00047 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length = prototype2.size();
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="comment">// first extract the macro name...</span>
<a name="l00050"></a>00050 found = <a class="code" href="namespaceMTTools.html#a5">MTTools::findCharPos</a>(prototype2, 0, <a class="code" href="MTParserPublic_8h.html#a3">MTOPEN_BRACKET</a>, pos);
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keywordflow">if</span>( length == 0 || !found || prototype2[length-1] != <a class="code" href="MTParserPublic_8h.html#a4">MTCLOSE_BRACKET</a>)
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 <span class="comment">// missing open or close bracket ... bad prototype syntax </span>
<a name="l00055"></a>00055 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> p = 0;
<a name="l00056"></a>00056 <span class="keywordflow">if</span>( length > 0 )
<a name="l00057"></a>00057 {
<a name="l00058"></a>00058 p = originalPos[length-1];
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <a class="code" href="MTParserPrivate_8h.html#a0">MTTHROW</a>(<a class="code" href="classMTExcepData.html">MTExcepData</a> ( <a class="code" href="MTParserException_8h.html#a30">MTDEFEXCEP_MacroProtoSyntax</a>,
<a name="l00062"></a>00062 <a class="code" href="MTParserException_8h.html#a52">MTEXCEPARG_POS</a>, <a class="code" href="namespaceMTTools.html#a14">MTTools::longToS</a>(p).c_str(),
<a name="l00063"></a>00063 <a class="code" href="MTParserException_8h.html#a53">MTEXCEPARG_ITEMNAME</a>, prototype.c_str() ));
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a>00066 name = prototype2.substr(0, pos);
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> t = pos+1;
<a name="l00069"></a>00069 <a class="code" href="MTParserPublic_8h.html#a8">MTDOUBLE</a> varVal; <span class="comment">// dummy var to allow validation</span>
<a name="l00070"></a>00070 <a class="code" href="classMTParser.html">MTParser</a> parser;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keywordflow">do</span>
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 found = <a class="code" href="namespaceMTTools.html#a5">MTTools::findCharPos</a>(prototype2, t, syntax.argumentSeparator, pos);
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="comment">// if this is the last argument, then we must look for the closing bracket</span>
<a name="l00077"></a>00077 <span class="keywordflow">if</span>( !found )
<a name="l00078"></a>00078 {
<a name="l00079"></a>00079 found = <a class="code" href="namespaceMTTools.html#a5">MTTools::findCharPos</a>(prototype2, t, <a class="code" href="MTParserPublic_8h.html#a4">MTCLOSE_BRACKET</a>, pos);
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keywordflow">if</span>( found )
<a name="l00083"></a>00083 {
<a name="l00084"></a>00084 <a class="code" href="MTUnicodeANSIDefs_8h.html#a0">MTSTRING</a> var = prototype2.substr(t, pos-t);
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keywordflow">if</span>( var.size() == 0 )
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 <span class="comment">// void can only mean that the macro has no argument...</span>
<a name="l00089"></a>00089 <span class="keywordflow">if</span>( prototype2[length-2] != <a class="code" href="MTParserPublic_8h.html#a3">MTOPEN_BRACKET</a> ||
<a name="l00090"></a>00090 prototype2[length-1] != <a class="code" href="MTParserPublic_8h.html#a4">MTCLOSE_BRACKET</a> )
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <a class="code" href="MTParserPrivate_8h.html#a0">MTTHROW</a>(<a class="code" href="classMTExcepData.html">MTExcepData</a> ( MTDEFEXCEP_MacroProtoSyntax,
<a name="l00094"></a>00094 <a class="code" href="MTParserException_8h.html#a52">MTEXCEPARG_POS</a>, <a class="code" href="namespaceMTTools.html#a14">MTTools::longToS</a>(originalPos[t]).c_str(),
<a name="l00095"></a>00095 <a class="code" href="MTParserException_8h.html#a53">MTEXCEPARG_ITEMNAME</a>, prototype.c_str()))
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098 <span class="keywordflow">else</span>
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100 <span class="comment">// validate the variable name...</span>
<a name="l00101"></a>00101 <span class="keywordflow">try</span>
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 parser.<a class="code" href="classMTParser.html#z4_0">defineVar</a>(var.c_str(), &varVal);
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105 <span class="keywordflow">catch</span>( <a class="code" href="classMTChainedExceptions.html">MTParserException</a> &e )
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <a class="code" href="MTParserPrivate_8h.html#a1">MTRETHROW</a>(<a class="code" href="classMTExcepData.html">MTExcepData</a> ( MTDEFEXCEP_MacroProtoSyntax,
<a name="l00109"></a>00109 <a class="code" href="MTParserException_8h.html#a52">MTEXCEPARG_POS</a>, <a class="code" href="namespaceMTTools.html#a14">MTTools::longToS</a>(originalPos[t]).c_str(),
<a name="l00110"></a>00110 <a class="code" href="MTParserException_8h.html#a53">MTEXCEPARG_ITEMNAME</a>, prototype.c_str()), e)
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112 args.push_back(var);
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115
<a name="l00116"></a>00116 t = pos+1;
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118 <span class="keywordflow">while</span>(found && t < length );
<a name="l00119"></a>00119
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121
<a name="l00122"></a><a class="code" href="classMTMacroFct.html#a0">00122</a> <span class="keywordtype">void</span> <a class="code" href="classMTMacroFct.html#a0">MTMacroFct::create</a>(<span class="keyword">const</span> <a class="code" href="MTUnicodeANSIDefs_8h.html#a0">MTSTRING</a> &prototype, <span class="keyword">const</span> <a class="code" href="MTUnicodeANSIDefs_8h.html#a0">MTSTRING</a> &macro, <span class="keyword">const</span> <a class="code" href="MTUnicodeANSIDefs_8h.html#a0">MTSTRING</a> &description, <a class="code" href="classMTCompilerI.html">MTCompilerI</a> *pCompiler, <a class="code" href="classMTRegistrarI.html">MTRegistrarI</a> *pRegistrar ) <span class="keywordflow">throw</span>(<a class="code" href="classMTChainedExceptions.html">MTParserException</a>)
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 clean();
<a name="l00125"></a>00125
<a name="l00126"></a>00126 m_pParser = <span class="keyword">new</span> <a class="code" href="classMTParser.html">MTParser</a>(pCompiler, pRegistrar);
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="comment">// make sure not to use the auto var def feature...</span>
<a name="l00129"></a>00129 <span class="comment">// all variables must be declared in the prototype</span>
<a name="l00130"></a>00130 m_pParser->enableAutoVarDefinition(<span class="keyword">false</span>);
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <a class="code" href="MTUnicodeANSIDefs_8h.html#a0">MTSTRING</a> symbol;
<a name="l00133"></a>00133 std::vector<MTSTRING> args;
<a name="l00134"></a>00134 parsePrototype(prototype, pRegistrar->getSyntax(), symbol, args);
<a name="l00135"></a>00135 m_prototype = prototype;
<a name="l00136"></a>00136
<a name="l00137"></a>00137
<a name="l00138"></a>00138 m_pParser->undefineAllVars();
<a name="l00139"></a>00139
<a name="l00140"></a>00140 m_nbArgs = args.size();
<a name="l00141"></a>00141 <span class="keywordflow">if</span>( m_nbArgs > 0 )
<a name="l00142"></a>00142 {
<a name="l00143"></a>00143 m_pVars = <span class="keyword">new</span> <a class="code" href="MTParserPublic_8h.html#a8">MTDOUBLE</a>[m_nbArgs];
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145 <span class="keywordflow">else</span>
<a name="l00146"></a>00146 {
<a name="l00147"></a>00147 m_pVars = NULL;
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 m_helpString = symbol;
<a name="l00150"></a>00150 m_helpString += <a class="code" href="MTParserPublic_8h.html#a3">MTOPEN_BRACKET</a>;
<a name="l00151"></a>00151
<a name="l00152"></a>00152 <span class="comment">// define the arguments in the parser object...</span>
<a name="l00153"></a>00153 <a class="code" href="structMTSyntax.html">MTSyntax</a> syntax = m_pParser->getSyntax();
<a name="l00154"></a>00154 <span class="keywordflow">for</span>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> t=0; t<args.size(); t++ )
<a name="l00155"></a>00155 {
<a name="l00156"></a>00156 m_pVars[t] = 0; <span class="comment">// default value</span>
<a name="l00157"></a>00157 m_pParser->defineVar(args[t].c_str(), &m_pVars[t]);
<a name="l00158"></a>00158 m_helpString += args[t];
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <span class="keywordflow">if</span>( t != m_nbArgs-1 )
<a name="l00161"></a>00161 {
<a name="l00162"></a>00162 m_helpString += syntax.<a class="code" href="structMTSyntax.html#o1">argumentSeparator</a>;
<a name="l00163"></a>00163 m_helpString += _T(<span class="stringliteral">" "</span>);
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166
<a name="l00167"></a>00167 m_helpString += <a class="code" href="MTParserPublic_8h.html#a4">MTCLOSE_BRACKET</a>;
<a name="l00168"></a>00168
<a name="l00169"></a>00169 m_pParser->compile(macro.c_str());
<a name="l00170"></a>00170
<a name="l00171"></a>00171 m_macro = macro;
<a name="l00172"></a>00172 m_description = description;
<a name="l00173"></a>00173 m_symbol = symbol;
<a name="l00174"></a>00174
<a name="l00175"></a>00175 m_isCreated = <span class="keyword">true</span>;
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177
<a name="l00178"></a><a class="code" href="classMTMacroFct.html#a1">00178</a> <span class="keyword">const</span> <a class="code" href="MTUnicodeANSIDefs_8h.html#a1">MTCHAR</a>* <a class="code" href="classMTMacroFct.html#a1">MTMacroFct::getSymbol</a>()
<a name="l00179"></a>00179 {
<a name="l00180"></a>00180 <span class="keywordflow">return</span> m_symbol.c_str();
<a name="l00181"></a>00181 }
<a name="l00182"></a><a class="code" href="classMTMacroFct.html#a2">00182</a> <span class="keyword">const</span> <a class="code" href="MTUnicodeANSIDefs_8h.html#a1">MTCHAR</a>* <a class="code" href="classMTMacroFct.html#a2">MTMacroFct::getHelpString</a>()
<a name="l00183"></a>00183 {
<a name="l00184"></a>00184 <span class="keywordflow">return</span> m_helpString.c_str();
<a name="l00185"></a>00185
<a name="l00186"></a>00186 }
<a name="l00187"></a><a class="code" href="classMTMacroFct.html#a3">00187</a> <span class="keyword">const</span> <a class="code" href="MTUnicodeANSIDefs_8h.html#a1">MTCHAR</a>* <a class="code" href="classMTMacroFct.html#a3">MTMacroFct::getDescription</a>()
<a name="l00188"></a>00188 {
<a name="l00189"></a>00189 <span class="keywordflow">return</span> m_description.c_str();
<a name="l00190"></a>00190
<a name="l00191"></a>00191 }
<a name="l00192"></a><a class="code" href="classMTMacroFct.html#a4">00192</a> <span class="keywordtype">int</span> <a class="code" href="classMTMacroFct.html#a4">MTMacroFct::getNbArgs</a>()
<a name="l00193"></a>00193 {
<a name="l00194"></a>00194 <span class="keywordflow">return</span> m_nbArgs;
<a name="l00195"></a>00195
<a name="l00196"></a>00196 }
<a name="l00197"></a><a class="code" href="classMTMacroFct.html#a6">00197</a> <a class="code" href="MTParserPublic_8h.html#a8">MTDOUBLE</a> <a class="code" href="classMTMacroFct.html#a6">MTMacroFct::evaluate</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nbArgs, <span class="keyword">const</span> <a class="code" href="MTParserPublic_8h.html#a8">MTDOUBLE</a> *pArg)
<a name="l00198"></a>00198 {
<a name="l00199"></a>00199 <span class="keywordflow">for</span>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> t=0; t<m_nbArgs; t++ )
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201 m_pVars[t] = pArg[t];
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203
<a name="l00204"></a>00204 <span class="keywordflow">return</span> m_pParser-><a class="code" href="classMTParser.html#z3_0">evaluate</a>();
<a name="l00205"></a>00205 }
<a name="l00206"></a>00206
<a name="l00207"></a><a class="code" href="classMTMacroFct.html#a9">00207</a> <a class="code" href="classMTMacroFct.html#a8">MTMacroFct::MTMacroFct</a>(<span class="keyword">const</span> <a class="code" href="classMTMacroFct.html">MTMacroFct</a> &obj)
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209 <span class="comment">// Called when spawning. If the macro is not used in the</span>
<a name="l00210"></a>00210 <span class="comment">// expression, then there is no need to compile the macro.</span>
<a name="l00211"></a>00211 <span class="comment">// So do as little initialization as possible in order to</span>
<a name="l00212"></a>00212 <span class="comment">// speed up parser duplication. </span>
<a name="l00213"></a>00213
<a name="l00214"></a>00214 m_prototype = obj.<a class="code" href="classMTMacroFct.html#r5">m_prototype</a>;
<a name="l00215"></a>00215 m_description = obj.<a class="code" href="classMTMacroFct.html#r1">m_description</a>;
<a name="l00216"></a>00216 m_macro = obj.<a class="code" href="classMTMacroFct.html#r4">m_macro</a>;
<a name="l00217"></a>00217 m_symbol = obj.<a class="code" href="classMTMacroFct.html#r3">m_symbol</a>;
<a name="l00218"></a>00218 m_nbArgs = obj.<a class="code" href="classMTMacroFct.html#r6">m_nbArgs</a>; <span class="comment">// although the macro is not created, we must be able</span>
<a name="l00219"></a>00219 <span class="comment">// to tell how many arguments it has</span>
<a name="l00220"></a>00220
<a name="l00221"></a>00221 m_pParser = NULL;
<a name="l00222"></a>00222 m_pVars = NULL;
<a name="l00223"></a>00223 m_isCreated = <span class="keyword">false</span>;
<a name="l00224"></a>00224 }
<a name="l00225"></a><a class="code" href="classMTMacroFct.html#a5">00225</a> <span class="keywordtype">void</span> <a class="code" href="classMTMacroFct.html#a5">MTMacroFct::doLateInitialization</a>(<a class="code" href="classMTCompilerI.html">MTCompilerI</a> *pCompiler, <a class="code" href="classMTRegistrarI.html">MTRegistrarI</a> *pRegistrar) <span class="keywordflow">throw</span>(<a class="code" href="classMTChainedExceptions.html">MTParserException</a>)
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227 <span class="comment">// If the macro hasn't been used yet, then compile the function... </span>
<a name="l00228"></a>00228 <span class="keywordflow">if</span>( !m_isCreated )
<a name="l00229"></a>00229 {
<a name="l00230"></a>00230 create(m_prototype, m_macro, m_description, pCompiler, pRegistrar);
<a name="l00231"></a>00231 }
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233
<a name="l00234"></a>00234
<a name="l00235"></a><a class="code" href="classMTMacroFct.html#a7">00235</a> <a class="code" href="classMTFunctionI.html">MTFunctionI</a>* <a class="code" href="classMTMacroFct.html#a7">MTMacroFct::spawn</a>()
<a name="l00236"></a>00236 {
<a name="l00237"></a>00237 <a class="code" href="classMTMacroFct.html">MTMacroFct</a> *pFct = <span class="keyword">new</span> <a class="code" href="classMTMacroFct.html#a8">MTMacroFct</a>(*<span class="keyword">this</span>);
<a name="l00238"></a>00238 <span class="keywordflow">return</span> pFct;
<a name="l00239"></a>00239 }
<a name="l00240"></a>00240
<a name="l00241"></a>00241
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Mar 9 17:39:36 2008 for MTParserLib by
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.4 </small></address>
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