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<h1>CodeMirror</h1>
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<a href="../index.html">Language modes</a>
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<li>
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<a class=active href="#">PEG.js Mode</a>
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</ul>
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</div>
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<article>
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<h2>PEG.js Mode</h2>
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<form>
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<textarea id="code" name="code"> /* * Classic example grammar, which recognizes simple arithmetic expressions like * "2*(3+4)". The parser generated from this grammar then computes their value. */ start = additive additive = left:multiplicative "+" right:additive { return
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left + right; } / multiplicative multiplicative = left:primary "*" right:multiplicative { return left * right; } / primary primary = integer / "(" additive:additive ")" { return additive; } integer "integer" = digits:[0-9]+ { return
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parseInt(digits.join(""), 10); } letter = [a-z]+</textarea>
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</form>
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<script>
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var editor = CodeMirror.fromTextArea(document.getElementById("code"),
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{
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mode:
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{
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name: "pegjs"
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},
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lineNumbers: true
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});
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</script>
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<h3>The PEG.js Mode</h3>
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<p> Created by Forbes Lindesay.</p>
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</article>
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</body>
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