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diff mayachemtools/docs/modules/html/code/SimpleCalcYYLexer.html @ 0:73ae111cf86f draft
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| author | deepakjadmin |
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| date | Wed, 20 Jan 2016 11:55:01 -0500 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mayachemtools/docs/modules/html/code/SimpleCalcYYLexer.html Wed Jan 20 11:55:01 2016 -0500 @@ -0,0 +1,129 @@ +<html> +<head> +<title>MayaChemTools:Code:Parsers::SimpleCalcYYLexer.pm</title> +<meta http-equiv="content-type" content="text/html;charset=utf-8"> +<link rel="stylesheet" type="text/css" href="../../../css/MayaChemToolsCode.css"> +</head> +<body leftmargin="20" rightmargin="20" topmargin="10" bottommargin="10"> +<br/> +<center> +<a href="http://www.mayachemtools.org" title="MayaChemTools Home"><img src="../../../images/MayaChemToolsLogo.gif" border="0" alt="MayaChemTools"></a> +</center> +<br/> +<pre> +<a name="package-Parsers::SimpleCalcYYLexer-"></a> 1 <span class="k">package </span><span class="i">Parsers::SimpleCalcYYLexer</span><span class="sc">;</span> + 2 <span class="c">#</span> + 3 <span class="c"># $RCSfile: SimpleCalcYYLexer.pm,v $</span> + 4 <span class="c"># $Date: 2015/02/28 20:50:55 $</span> + 5 <span class="c"># $Revision: 1.9 $</span> + 6 <span class="c">#</span> + 7 <span class="c"># Author: Manish Sud <msud@san.rr.com></span> + 8 <span class="c">#</span> + 9 <span class="c"># Copyright (C) 2015 Manish Sud. All rights reserved.</span> + 10 <span class="c">#</span> + 11 <span class="c"># This file is part of MayaChemTools.</span> + 12 <span class="c">#</span> + 13 <span class="c"># MayaChemTools is free software; you can redistribute it and/or modify it under</span> + 14 <span class="c"># the terms of the GNU Lesser General Public License as published by the Free</span> + 15 <span class="c"># Software Foundation; either version 3 of the License, or (at your option) any</span> + 16 <span class="c"># later version.</span> + 17 <span class="c">#</span> + 18 <span class="c"># MayaChemTools is distributed in the hope that it will be useful, but without</span> + 19 <span class="c"># any warranty; without even the implied warranty of merchantability of fitness</span> + 20 <span class="c"># for a particular purpose. See the GNU Lesser General Public License for more</span> + 21 <span class="c"># details.</span> + 22 <span class="c">#</span> + 23 <span class="c"># You should have received a copy of the GNU Lesser General Public License</span> + 24 <span class="c"># along with MayaChemTools; if not, see <http://www.gnu.org/licenses/> or</span> + 25 <span class="c"># write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,</span> + 26 <span class="c"># Boston, MA, 02111-1307, USA.</span> + 27 <span class="c">#</span> + 28 + 29 <span class="k">use</span> <span class="w">strict</span><span class="sc">;</span> + 30 <span class="k">use</span> <span class="w">Carp</span><span class="sc">;</span> + 31 <span class="k">use</span> <span class="w">Exporter</span><span class="sc">;</span> + 32 <span class="k">use</span> <span class="w">Scalar::Util</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span> + 33 <span class="k">use</span> <span class="w">Parsers::YYLexer</span><span class="sc">;</span> + 34 + 35 <span class="k">use</span> <span class="w">vars</span> <span class="q">qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS)</span><span class="sc">;</span> + 36 + 37 <span class="i">@ISA</span> = <span class="q">qw(Parsers::YYLexer Exporter)</span><span class="sc">;</span> + 38 <span class="i">@EXPORT</span> = <span class="q">qw()</span><span class="sc">;</span> + 39 <span class="i">@EXPORT_OK</span> = <span class="q">qw()</span><span class="sc">;</span> + 40 + 41 <span class="i">%EXPORT_TAGS</span> = <span class="s">(</span><span class="w">all</span> <span class="cm">=></span> <span class="s">[</span><span class="i">@EXPORT</span><span class="cm">,</span> <span class="i">@EXPORT_OK</span><span class="s">]</span><span class="s">)</span><span class="sc">;</span> + 42 + 43 <span class="c"># Setup class variables...</span> + 44 <span class="k">my</span><span class="s">(</span><span class="i">$ClassName</span><span class="cm">,</span> <span class="i">$YYTabFile</span><span class="cm">,</span> <span class="i">@YYLexerTokensSpec</span><span class="s">)</span><span class="sc">;</span> + 45 <span class="i">_InitializeClass</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> + 46 + 47 <span class="c"># Overload Perl functions...</span> + 48 <span class="k">use</span> <span class="w">overload</span> <span class="q">'""'</span> <span class="cm">=></span> <span class="q">'StringifySimpleCalcYYLexer'</span><span class="sc">;</span> + 49 + 50 <span class="c"># Class constructor...</span> +<a name="new-"></a> 51 <span class="k">sub </span><span class="m">new</span> <span class="s">{</span> + 52 <span class="k">my</span><span class="s">(</span><span class="i">$Class</span><span class="cm">,</span> <span class="i">$Input</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> + 53 <span class="k">my</span><span class="s">(</span><span class="i">@TokensSpec</span><span class="s">)</span><span class="sc">;</span> + 54 + 55 <span class="c"># Initialize object...</span> + 56 <span class="k">my</span> <span class="i">$This</span> = <span class="i">$Class</span><span class="i">->SUPER::new</span><span class="s">(</span><span class="i">$Input</span><span class="cm">,</span> <span class="i">@YYLexerTokensSpec</span><span class="s">)</span><span class="sc">;</span> + 57 <span class="k">bless</span> <span class="i">$This</span><span class="cm">,</span> <span class="k">ref</span><span class="s">(</span><span class="i">$Class</span><span class="s">)</span> || <span class="i">$Class</span><span class="sc">;</span> + 58 <span class="i">$This</span><span class="i">->_InitializeYYLexer</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> + 59 + 60 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> + 61 <span class="s">}</span> + 62 + 63 <span class="c"># Initialize object data...</span> + 64 <span class="c">#</span> +<a name="_InitializeYYLexer-"></a> 65 <span class="k">sub </span><span class="m">_InitializeYYLexer</span> <span class="s">{</span> + 66 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> + 67 + 68 <span class="c"># Setup default YYTabFile containing mapping of token names to numbers...</span> + 69 <span class="i">$This</span><span class="i">->SetupYYTabFile</span><span class="s">(</span><span class="i">$YYTabFile</span><span class="s">)</span><span class="sc">;</span> + 70 + 71 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> + 72 <span class="s">}</span> + 73 + 74 <span class="c"># Initialize class ...</span> +<a name="_InitializeClass-"></a> 75 <span class="k">sub </span><span class="m">_InitializeClass</span> <span class="s">{</span> + 76 <span class="c">#Class name...</span> + 77 <span class="i">$ClassName</span> = <span class="w">__PACKAGE__</span><span class="sc">;</span> + 78 + 79 <span class="c"># Setup default token table file...</span> + 80 <span class="i">$YYTabFile</span> = <span class="q">"Parsers/SimpleCalcParser.tab.ph"</span><span class="sc">;</span> + 81 + 82 <span class="c"># Setup default lexer tokens specs...</span> + 83 <span class="i">@YYLexerTokensSpec</span> = <span class="s">(</span> + 84 <span class="s">[</span> <span class="q">'LETTER'</span><span class="cm">,</span> <span class="q">qr/[a-zA-Z]/</span> <span class="s">]</span><span class="cm">,</span> + 85 <span class="s">[</span> <span class="q">'NUMBER'</span><span class="cm">,</span> <span class="q">qr/\d+/</span> <span class="s">]</span><span class="cm">,</span> + 86 <span class="s">[</span> <span class="q">'SPACE'</span><span class="cm">,</span> <span class="q">qr/[ ]*/</span><span class="cm">,</span> <span class="k">sub</span> <span class="s">{</span> <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$TokenLabel</span><span class="cm">,</span> <span class="i">$MatchedText</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> <span class="k">return</span> <span class="q">''</span><span class="sc">;</span> <span class="s">}</span> <span class="s">]</span><span class="cm">,</span> + 87 <span class="s">[</span> <span class="q">'NEWLINE'</span><span class="cm">,</span> <span class="q">qr/(?:\r\n|\r|\n)/</span><span class="cm">,</span> <span class="k">sub</span> <span class="s">{</span> <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$TokenLabel</span><span class="cm">,</span> <span class="i">$MatchedText</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> <span class="k">return</span> <span class="q">"\n"</span><span class="sc">;</span> <span class="s">}</span> <span class="s">]</span><span class="cm">,</span> + 88 <span class="s">[</span> <span class="q">'CHAR'</span><span class="cm">,</span> <span class="q">qr/./</span> <span class="s">]</span> + 89 <span class="s">)</span><span class="sc">;</span> + 90 <span class="s">}</span> + 91 + 92 <span class="c"># Is it a lexer object?</span> +<a name="_IsSimpleCalcYYLexer-"></a> 93 <span class="k">sub </span><span class="m">_IsSimpleCalcYYLexer</span> <span class="s">{</span> + 94 <span class="k">my</span><span class="s">(</span><span class="i">$Object</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> + 95 + 96 <span class="k">return</span> <span class="s">(</span><span class="i">Scalar::Util::blessed</span><span class="s">(</span><span class="i">$Object</span><span class="s">)</span> && <span class="i">$Object</span><span class="i">->isa</span><span class="s">(</span><span class="i">$ClassName</span><span class="s">)</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> + 97 <span class="s">}</span> + 98 + 99 <span class="c"># Return a string containing information about lexer...</span> +<a name="StringifySimpleCalcYYLexer-"></a> 100 <span class="k">sub </span><span class="m">StringifySimpleCalcYYLexer</span> <span class="s">{</span> + 101 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> + 102 <span class="k">my</span><span class="s">(</span><span class="i">$SimleCalcYYLexerString</span><span class="s">)</span><span class="sc">;</span> + 103 + 104 <span class="i">$SimleCalcYYLexerString</span> = <span class="q">"SimpleCalcYYLexer: PackageName: $ClassName; "</span> . <span class="i">$This</span><span class="i">->_GetYYLexerInfoString</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> + 105 + 106 <span class="k">return</span> <span class="i">$SimleCalcYYLexerString</span><span class="sc">;</span> + 107 <span class="s">}</span> + 108 +<a name="EOF-"></a></pre> +<p> </p> +<br /> +<center> +<img src="../../../images/h2o2.png"> +</center> +</body> +</html>