SFPC Grammar Homework 1

hw1.html

<meta charset="utf-8">

<script src="js/jquery.js"></script>
<script src="js/jqconsole.js"></script>
<script src="js/sugar.js"></script>
<script src="js/peg.js"></script>
<script src="js/plt.js"></script>

<script type="text/javascript">
  // uncomment next line to enable refresh
  // PLT.refresh = true

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</script>

<title>Language</title>

<grammar>
  start   = [0-9]+ 
</grammar>

<h3>Numbers</h3>
<p>These should parse into JavaScript numbers.
  Use <a href="http://www.w3schools.com/jsref/jsref_parseint.asp">parseInt</a>
  and <a href="http://www.w3schools.com/jsref/jsref_parsefloat.asp">parseFloat</a> as needed.</p>
<code>45</code>
<code>83.2</code>
<code>-7</code>
<code>-92.8</code>

<h3>Text</h3>
<p>These should parse into JavaScript strings.
  Use <a href="http://www.w3schools.com/jsref/jsref_join.asp">join</a> as needed.</p>
<code>"Hello"</code>
<code>"Hello World"</code>

<h3>Booleans</h3>
<p>These should parse into JavaScript booleans, true or false</p>
<code>true</code>
<code>false</code>
<code>yes</code>
<code>no</code>
<code>on</code>
<code>off</code>

<h3>Extra – Operators</h3>
<code>+ 5 6</code>
<code>* 5 6</code>
<code>- 5 6</code>

<h3>Extra – Nesting</h3>
<code>(+ 7 (- 10 9))</code>
<code>(+ (+ 20 5) (+ 7 2))</code>
<code>(+ (+ 20 5) (+ 7 (+ (+ 20 5) (+ 7 (+ (+ 20 5) (+ 7 (+ (+ 20 5) (+ 7 2))))))))</code>