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parser.html
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parser.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>Parser</title>
<script language="javascript" type="text/javascript" src="../src/jscex.js"></script>
<script language="javascript" type="text/javascript" src="../src/jscex-parser.js"></script>
</head>
<body>
<textarea id="code" style="font-family:consolas,monaco; width:500px; height:300px;">function helloworld() { alert("Hello World!"); }</textarea><br />
<input type="button" onclick="parse()" value="parse" />
<div id="r"></div>
<script type="text/javascript">
var appendIndent = function (builder, indent) {
for (var i = 0; i < indent; i++) builder.push(" ");
}
var serialize = function (builder, list, indent) {
if (!list || !list.push) {
appendIndent(builder, indent);
builder.push(JSON.stringify(list));
return;
}
appendIndent(builder, indent);
builder.push("[\n");
for (var i = 0; i < list.length; i++) {
serialize(builder, list[i], indent + 1);
if (i != list.length - 1) builder.push(",");
builder.push("\n");
}
appendIndent(builder, indent);
builder.push("]");
}
function parse() {
var code = document.getElementById("code").value;
var result;
try {
var list = Jscex.parse(code);
var builder = [];
serialize(builder, list, 0);
result = builder.join("");
} catch (ex) {
result = "error";
}
document.getElementById("r").innerHTML = "<pre style='font-family:consolas,monaco;'>" + result + "</pre>";
}
</script>
</body>
</html>