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console.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Parse ECMAScript Console</title>
<style>
body {
height: 100%;
position: relative;
}
.content > * {
width: 50%;
float: left;
position: relative;
}
.content > * > * {
padding: 0 2em;
display: block;
}
.console textarea {
width: 100%;
box-sizing: border-box;
}
.TokenInfo {
position: fixed;
left: 0;
bottom: 0;
background: white;
border: 1px solid black;
}
.TokenInfo ul {
list-style: none;
}
.TokenInfo ul {
}
.TokenInfo ul li {
padding-bottom: 1em;
}
.TokenInfo .Key {
font-weight: bold;
}
.TokenInfo .Key {
font-weight: bold;
}
pre {
white-space: pre-wrap;
}
.output {
height: 100%;
overflow-y: scroll;
position:fixed;
right: 0;
}
.LexOut {
margin-bottom: 25em;
}
span.Token.Keyword {
color: red;
}
span.Token.Comment {
color: blue;
}
span.Token.Comment:before {
content: "/*";
}
span.Token.Comment:after {
content: "*/";
}
span.Token.String {
color: green;
}
span.Token.Punctuator {
color: pink;
}
span.Token.RegularExpression {
color: orange;
}
span.Token.Whitespace,
span.Token.LineTerminator {
color: rgb(215, 215, 215);
}
span.Token.Whitespace {
display:inline-block;
}
span.Token.Whitespace:after {
content: '\00B7';
}
span.Token.Whitespace.Tab {
width: 2em;
text-align: center;
}
span.Token.Whitespace.Tab:after {
content: '\21E5';
}
span.Token.LineTerminator:before {
content: '\00B6';
}
.ParseError, .LexError {
color: red;
}
.Node {
margin-left: 0.5em;
}
.NodeType {
display: block;
}
.Active,
span.Token:hover {
background: rgb(220, 220, 220);
}
</style>
</head>
<body lang="en">
<div class="content">
<div>
<div class='console'>
<h2>Input</h2>
<textarea rows='20'></textarea>
<form action="">
<input type="radio" name='lexer' checked='checked' value='div'>div</input>
<input type="radio" name='lexer' value='regexp'>regexp</input>
</form>
<button id='parse'>Parse</button>
<span id='time'></span>
</div>
<div>
<h4>Lex Out</h4>
<pre class='LexError'></pre>
<pre class='LexOut'></pre>
</div>
</div>
<div class='output'>
<div>
<h4>Parse Out</h4>
<pre class='ParseError'></pre>
<pre class='ParseOut'></pre>
</div>
</div>
<div class='TokenInfo'>
<h3>Token Info</h3>
<ul>
<li class='TypeInfo'>
<div class='Key'>Type</div>
<div class='Value'></div>
</li>
<li class='LocationInfo'>
<div class='Key'>Location</div>
<div class='Value'></div>
</li>
<li class='ValueInfo'>
<div class='Key'>Value</div>
<pre class='Value'></pre>
</li>
</ul>
</div>
</div>
<script type="application/javascript" src="resources/require.js"></script>
<script src="resources/jquery-1.8.3.min.js"></script>
<script type="application/javascript">
requirejs.config({
paths: {
'ecma': 'dist',
'bennu': 'dependencies/bennu/dist',
'nu-stream': 'dependencies/nu/dist',
'ecma-ast': 'dependencies/ecma-ast/dist',
'seshet': 'dependencies/seshet/dist/seshet'
}
});
$(function(){
require(['nu-stream/stream',
'ecma/lex/lexer', 'ecma/parse/parser', 'ecma-ast/node'],
function(stream, lexer, parser, node)
{
var lexOut = $('.LexOut');
var walk = function(ast, f) {
if (ast instanceof node.Node) {
var n = $("<div class='Node " + ast.type +"'><span class='NodeType'>"+ast.type+"</span></div>")
.data('location', ast.loc);
Object.getOwnPropertyNames(ast).forEach(function(key) {
walk(ast[key], function(x) { n.append($("<div>" + key + ": </div>").append(x)); });
});
return f(n);
}
if (Array.isArray(ast)) {
var n = $("<div class='Array'></div>");
for (var i = 0; i < ast.length; ++i) {
walk(ast[i], function(x) { n.append(x); });
}
return f(n);
}
return f($("<span>" + ast + "</span>"));
};
$('.Token').live('hover', function() {
$('.TokenInfo .TypeInfo .Value').text($(this).data('type'));
$('.TokenInfo .ValueInfo .Value').text($(this).data('value'));
$('.TokenInfo .LocationInfo .Value').text($(this).data('location'));
});
$('.Node').live('mouseover mouseout', function(event) {
event.stopPropagation();
var nodeLoc = $(this).data('location');
if (event.type == 'mouseover') {
$(this).addClass('Active');
lexOut.children().each(function(){
var loc = $(this).data('location');
if (loc.start.compare(nodeLoc.start) >= 0) {
if (loc.end.compare(nodeLoc.end) <= 0) {
$(this).addClass('Active');
} else {
return false;
}
}
});
} else {
$(this).removeClass('Active');
lexOut.children('.Active').removeClass('Active');
}
});
$('button').click(function() {
var input = $('textarea').val();
lexOut.children().remove();
$('.ParseOut').children().remove();
$('.ParseOut').text('');
$('.ParseError').text('');
$('.LexError').text('');
var nodes, ast;
try {
nodes = lexer.lex(input);
} catch (e) {
$('.LexError').text(e);
}
if (nodes) {
stream.forEach(function(v) {
var type = v.type,
value = (type === 'Whitespace' ? '' : v.value),
location = v.loc;
lexOut.append($("<span class='Token'>" + value + "</span>")
.addClass(function() {
if (v.type === 'Whitespace' && v.value === '\t') {
return v.type + " Tab";
}
return v.type;
}).data({
'type': type,
'value': value,
'location': location
}));
}, nodes);
}
var start = new Date().getTime();
console.profile();
try
{
ast = parser.parseStream(nodes);
} catch (e) {
$('#time').text('');
$('.ParseError').text(e);
// return;
} finally {
console.profileEnd();
}
var end = new Date().getTime();
var diff = end - start;
$('#time').text(diff);
walk(ast, function(x){
$('.ParseOut').append(x);
});
});
});
});
</script>
</body>
</html>