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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"/><title>Parser Tools: lex and yacc-style Parsing</title><link rel="stylesheet" type="text/css" href="../scribble.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-style.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../doc-site.css" title="default"/><script type="text/javascript" src="../scribble-common.js"></script><script type="text/javascript" src="../manual-racket.js"></script><script type="text/javascript" src="../doc-site.js"></script><script type="text/javascript" src="../local-redirect/local-redirect.js"></script><script type="text/javascript" src="../local-redirect/local-user-redirect.js"></script><!--[if IE 6]><style type="text/css">.SIEHidden { overflow: hidden; }</style><![endif]--></head><body id="doc-racket-lang-org"><div class="tocset"><div class="tocview"><div class="tocviewlist tocviewlisttopspace"><div class="tocviewtitle"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,"tocview_0");">▼</a></td><td></td><td><a href="" class="tocviewselflink" data-pltdoc="x">Parser Tools:<span class="mywbr"> </span> <span class="stt">lex</span> and <span class="stt">yacc</span>-<wbr></wbr>style Parsing</a></td></tr></table></div><div class="tocviewsublistonly" style="display: block;" id="tocview_0"><table cellspacing="0" cellpadding="0"><tr><td align="right">1 </td><td><a href="Lexers.html" class="tocviewlink" data-pltdoc="x">Lexers</a></td></tr><tr><td align="right">2 </td><td><a href="LALR_1__Parsers.html" class="tocviewlink" data-pltdoc="x">LALR(1) Parsers</a></td></tr><tr><td align="right">3 </td><td><a href="Context-Free_Parsers.html" class="tocviewlink" data-pltdoc="x">Context-<wbr></wbr>Free Parsers</a></td></tr><tr><td align="right">4 </td><td><a href="Converting_yacc_or_bison_Grammars.html" class="tocviewlink" data-pltdoc="x">Converting <span class="stt">yacc</span> or <span class="stt">bison</span> Grammars</a></td></tr><tr><td align="right"></td><td><a href="doc-index.html" class="tocviewlink" data-pltdoc="x">Index</a></td></tr></table></div></div></div><div class="tocsub"><div class="tocsubtitle">On this page:</div><table class="tocsublist" cellspacing="0"><tr><td><span class="tocsublinknumber"></span><a href="#%28part._top%29" class="tocsubseclink" data-pltdoc="x">Parser Tools:<span class="mywbr"> </span> <span class="stt">lex</span> and <span class="stt">yacc</span>-<wbr></wbr>style Parsing</a></td></tr></table></div></div><div class="maincolumn"><div class="main"><div class="versionbox"><span class="version">6.1</span></div><div class="navsettop"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, "6.1", "../");" onfocus="this.style.color="black"; this.style.textAlign="left"; if (this.value == "...search manuals...") this.value="";" onblur="if (this.value.match(/^ *$/)) { this.style.color="#888"; this.style.textAlign="center"; this.value="...search manuals..."; }"/></form> <a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("6.1");">top</a></span><span class="navright"> <span class="nonavigation">← prev</span> <a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("6.1");">up</a> <a href="Lexers.html" title="forward to "1 Lexers"" data-pltdoc="x">next →</a></span> </div><h2 x-source-module="(lib "parser-tools/parser-tools.scrbl")" x-part-tag=""top""><a name="(part._top)"></a><a name="(part._.Parser_.Tools__lex_and_yacc-style_.Parsing)"></a>Parser Tools: <span class="stt">lex</span> and <span class="stt">yacc</span>-style Parsing</h2><div class="SAuthorListBox"><span class="SAuthorList"><p class="author">Scott Owens</p></span></div><p>This documentation assumes familiarity with <span class="stt">lex</span> and <span class="stt">yacc</span>
style lexer and parser generators.</p><table cellspacing="0" cellpadding="0"><tr><td><p><span class="hspace"> </span><a href="Lexers.html" class="toptoclink" data-pltdoc="x">1<span class="hspace"> </span>Lexers</a></p></td></tr><tr><td><p><span class="hspace"> </span><a href="Lexers.html#%28part._.Creating_a_.Lexer%29" class="toclink" data-pltdoc="x">1.1<span class="hspace"> </span>Creating a Lexer</a></p></td></tr><tr><td><p><span class="hspace"> </span><a href="Lexers.html#%28part._.Lexer_.Abbreviations_and_.Macros%29" class="toclink" data-pltdoc="x">1.2<span class="hspace"> </span>Lexer Abbreviations and Macros</a></p></td></tr><tr><td><p><span class="hspace"> </span><a href="Lexers.html#%28part._.Lexer_.S.R.E_.Operators%29" class="toclink" data-pltdoc="x">1.3<span class="hspace"> </span>Lexer SRE Operators</a></p></td></tr><tr><td><p><span class="hspace"> </span><a href="Lexers.html#%28part._.Lexer_.Legacy_.Operators%29" class="toclink" data-pltdoc="x">1.4<span class="hspace"> </span>Lexer Legacy Operators</a></p></td></tr><tr><td><p><span class="hspace"> </span><a href="Lexers.html#%28part._.Tokens%29" class="toclink" data-pltdoc="x">1.5<span class="hspace"> </span>Tokens</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace"> </span><a href="LALR_1__Parsers.html" class="toptoclink" data-pltdoc="x">2<span class="hspace"> </span>LALR(1) Parsers</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace"> </span><a href="Context-Free_Parsers.html" class="toptoclink" data-pltdoc="x">3<span class="hspace"> </span>Context-Free Parsers</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace"> </span><a href="Converting_yacc_or_bison_Grammars.html" class="toptoclink" data-pltdoc="x">4<span class="hspace"> </span>Converting <span class="stt">yacc</span> or <span class="stt">bison</span> Grammars</a></p></td></tr><tr><td><p><span class="hspace"></span></p></td></tr><tr><td><p><span class="hspace"> </span><a href="doc-index.html" class="toptoclink" data-pltdoc="x">Index</a></p></td></tr></table><div class="navsetbottom"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, "6.1", "../");" onfocus="this.style.color="black"; this.style.textAlign="left"; if (this.value == "...search manuals...") this.value="";" onblur="if (this.value.match(/^ *$/)) { this.style.color="#888"; this.style.textAlign="center"; this.value="...search manuals..."; }"/></form> <a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("6.1");">top</a></span><span class="navright"> <span class="nonavigation">← prev</span> <a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("6.1");">up</a> <a href="Lexers.html" title="forward to "1 Lexers"" data-pltdoc="x">next →</a></span> </div></div></div><div id="contextindicator"> </div></body></html>
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