doc/guide/localhost/FrontEnd

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  22 <a href="./Home">MLton 20180207</a>
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  26 <h1>FrontEnd</h1>
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  29 <div id="preamble">
  30 <div class="sectionbody">
  31 <div class="paragraph"><p><a href="FrontEnd">FrontEnd</a> is a translation pass from source to the <a href="AST">AST</a>
  32 <a href="IntermediateLanguage">IntermediateLanguage</a>.</p></div>
  33 </div>
  34 </div>
  35 <div class="sect1">
  36 <h2 id="_description">Description</h2>
  37 <div class="sectionbody">
  38 <div class="paragraph"><p>This pass performs lexing and parsing to produce an abstract syntax
  39 tree.</p></div>
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  42 <div class="sect1">
  43 <h2 id="_implementation">Implementation</h2>
  44 <div class="sectionbody">
  45 <div class="ulist"><ul>
  46 <li>
  47 <p>
  48 <a href="https://github.com/MLton/mlton/blob/master/mlton/front-end/front-end.sig"><span class="monospaced">front-end.sig</span></a>
  49 </p>
  50 </li>
  51 <li>
  52 <p>
  53 <a href="https://github.com/MLton/mlton/blob/master/mlton/front-end/front-end.fun"><span class="monospaced">front-end.fun</span></a>
  54 </p>
  55 </li>
  56 </ul></div>
  57 </div>
  58 </div>
  59 <div class="sect1">
  60 <h2 id="_details_and_notes">Details and Notes</h2>
  61 <div class="sectionbody">
  62 <div class="paragraph"><p>The lexer is produced by <a href="MLLex">MLLex</a> from
  63 <a href="https://github.com/MLton/mlton/blob/master/mlton/front-end/ml.lex"><span class="monospaced">ml.lex</span></a>.</p></div>
  64 <div class="paragraph"><p>The parser is produced by <a href="MLYacc">MLYacc</a> from
  65 <a href="https://github.com/MLton/mlton/blob/master/mlton/front-end/ml.grm"><span class="monospaced">ml.grm</span></a>.</p></div>
  66 <div class="paragraph"><p>The specifications for the lexer and parser were originally taken from
  67 <a href="SMLNJ"> SML/NJ</a> (version 109.32), but have been heavily modified
  68 since then.</p></div>
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