hilvl/index.html at master · holgerl/hilvl · GitHub

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<!DOCTYPE html>
<html>
<head>
	<script src="lib/showdown.min.js"> </script>

	<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">

	<link id="Map.hl" rel="import" href="http://holgerl.github.io/hilvl/stdlib/Map.hl">
	<link id="String.hl" rel="import" href="http://holgerl.github.io/hilvl/stdlib/String.hl">
	<link id="Variable.hl" rel="import" href="http://holgerl.github.io/hilvl/stdlib/Variable.hl">

	<script src="src/util.js"> </script>
	<script src="src/hl.js"> </script>

	<style type="text/css">
		#evaluateForm {
		}
		#evaluateCode {
			tab-size : 4;
			font-family: monospace;
			font-size: 12px;
			background-color: #fafafa;
			height: 20em;
		}
		#output, #console {
			tab-size : 4;
			font-size: 12px;
			padding: 0.5em;
		    background-color: #f0f0f0;
			height: 20em;
			white-space: pre;
			font-family: monospace;
			overflow-y: scroll;
		}
		#evaluate {
			margin-top: 0.5em;
		}
	</style>

	<script type="text/javascript">
		var main = function() {
			hl.ioPrintTarget = function() {
				console.log.apply(console, arguments);

				var element = document.getElementById("console");
				element.innerText += element.innerText.trim().length > 0 ? "\n" : "";
				element.innerText += JSON.stringify(arguments[0]);

				element.scrollTop = element.scrollHeight - element.clientHeight;
			}

			document.getElementById("evaluateForm").addEventListener("submit", submitHandler);

			document.getElementById("evaluateCode").addEventListener("keydown", handleKey);

			appendReadme();
		}

		var submitHandler = function(event) {
			event.preventDefault();
			event.stopPropagation();

			var code = document.getElementById("evaluateCode").value;

			try {
				var log = console.log;
				console.log = function() {}; // Logging is so slow!

				var result = hl.execute(code);

				console.log = log;
			} catch (exception) {
				console.log(exception);
				var result = exception.toString();
			}

			document.getElementById("output").innerText = JSON.stringify(result);
		}

		var handleKey = function(event) {
			if (event.keyCode === 9) { // tab key
				event.preventDefault();

				var start = this.selectionStart;
				var end = this.selectionEnd;

				var value = this.value;

				this.value = value.substring(0, start) + "\t" + value.substring(end);
				this.selectionStart = this.selectionEnd = start + 1;
			}
		}

		var appendReadme = function() {
			var xmlhttp = new XMLHttpRequest();
			var url = "https://raw.githubusercontent.com/holgerl/hilvl/master/README.md";

			xmlhttp.onreadystatechange = function() {
				if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
					var converter = new showdown.Converter();
					var html = converter.makeHtml(xmlhttp.responseText);
					document.getElementById("readme").innerHTML += html;
				}
			}
			xmlhttp.open("GET", url, true);
			xmlhttp.send();
		}
	</script>
</head>
<body onload="main();">
	<div class="col-xs-12">
		<h1>The hilvl programming language</h1>
		<p><em>Check it out on <a href="https://github.com/holgerl/hilvl">GitHub</a></em></p>
	</div>

	<div class="col-xs-6">
		<h4>Code:</h4>
		<form id="evaluateForm">
			<textarea class="form-control" id="evaluateCode">
// Edit this code!

@ var foo = (1, 2, 3)

@ var bar = 0

@.foo loop
	IO print ("Current element is " + (@.element as string))
	@ set bar = (@.bar + (@.element))

@.bar
</textarea>
			<input class="btn btn-primary" id="evaluate" type="submit" value="Evaluate"/>
		</form>
	</div>

	<div class="col-xs-3">
		<h4>Output:</h4>
		<div id="output"> </div>
	</div>

	<div class="col-xs-3">
		<h4>Console:</h4>
		<div id="console"></div>
	</div>

	<div id="readme" class="col-xs-12"> </div>
</body>
</html>