alikberov.github.io/alibasic.html at master · Alikberov/alikberov.github.io · GitHub

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<html>
<head>
<script>
var	Program	= [];
var	Binary	= [];
var	Vars	= [];
var	Value;
var	VarId;
var	log;
var	Element = 0;
var	Running	= -1;
var	Monitor;
var	Input;
var	Watcher	= Meeting;
var	Hue = "#FFF", Ink = "#000";

function Wait() {
	document.getElementById("Monitor" + Element).addEventListener(
	"keyup", function() {
			if(13 == event.keyCode) {
				Vars[VarId] = this.value;
				this.disabled = "disabled";
				Exec();
			}
		}
	);
	document.getElementById("Monitor" + Element).focus();
	Element ++;
}

function Exec() {
	var	op = Binary.shift(), cont = Exec, id, tmp;
	if(op)
		switch(op.cmd) {
		case "CLS":
			Monitor.innerHTML = "";
			Element = 0;
			break;
		case "ASK":
			Input.innerHTML = "";
			Input.focus();
			VarId = op.exp;
			cont = false;
			Watcher = Exec;
			break;
		case "AT":
			if(op.exp in Vars)
				Running = Vars[op.exp] - 1;
			else
				Running = Math.floor(parseInt(op.exp, 10) / 10) - 101;
			Binary = [];
			break;
		case "DEF":
			Vars[op.exp] = Running;
			break;
		case "HEY":
			if(op.exp == "")
				Monitor.innerHTML += "<br />";
			else
			if(op.exp == "_")
				Monitor.innerHTML += "<hr />";
			else {
				tmp = "<span style='color:" + Ink + "; background-color:" + Hue + "'>";
				if(op.exp in Vars)
					tmp += Vars[op.exp];
				else
					tmp += op.exp.replace(/"([^"]*)"/, "$1");
				Monitor.innerHTML += tmp + "</span>";
			}
			break;
		case "HUE":
			Hue = "#" + op.exp;
			break;
		case "IF":
			Value = op.exp in Vars ? Vars[op.exp] : op.exp.replace(/"([^"]*)"/, "$1");
			break;
		case "IS":
			if(op.exp in Vars) {
				if(Value != Vars[op.exp])
					Binary.shift();
			} else
			if(Value != op.exp.replace(/"([^"]*)"/, "$1"))
				Binary.shift();
			break;
		case "INK":
			Ink = "#" + op.exp;
			break;
		case "RUN":
			Running = 0;
			op = true;
			break;
		case "END":
			Watcher = Meeting;
			Binary = [];
			Monitor.innerHTML += "<hr />OK:<br />";
			break;
		case "LIST":
			log = [];
			id = 1000;
			Program.forEach
			(function(all) {
				var	s = [], row = all.slice();
				while(row.length) {
					s.push(row[0][0] + (row[0][1] == "" ? "" : " " + row[0][1]));
					row.shift();
				}
				log.push(id + " " + s.join(":"));
				id += 10;
			});
			log.push("");
			Monitor.innerHTML = log.join("<br />");
			break;
		}
	else
		Watcher = Meeting;
	if(Running >= 0 && Binary.length == 0)
		ParseRow(Program[++ Running], -1);
	if(cont && op)
		setTimeout(cont, 1);
}

function ParseRow(commands, part) {
	var	cmds = commands.slice(), cmd, i = 1;
	while(cmds.length) {
		cmd = cmds.shift();
		if(cmd) {
			if(!isFinite(part) || part < 0 || part == i)
				Binary.push({cmd: cmd[0].toUpperCase(), exp: cmd[1]});
			++ i;
		} else
			break;
	}
}

function Meeting(elem) {
	var	cns = elem.textContent.split(/\r?\n/);
	var	id, idd, expr;
	log = [];
	cns.forEach
	(function(row) {
		var	cmd = row.match(/([0-9]+\s?)?(.*)/);
		var	cmds	= [], tmp;
		if(cmd) {
			while(cmd[2]) {
				expr = cmd[2].match(/(:*[A-Z_][0-9_A-Z]*)(\s*)("[^"]*"|[^:]*)*/i);//.exec(cmd[2]);
				if(expr) {
					tmp = [expr[1], expr[2] || "", expr[3] || ""];
					cmd[2] = cmd[2].substr(tmp.join("").length);
					if(":" == tmp[0].charAt(0))
						tmp[0] = tmp[0].replace(/^:+/, "");
					cmds.push([tmp[0], tmp[2]]);
				} else
					break;
			}
			if(cmd[1]) {
				id = parseInt(cmd[1], 10);
				idd = (id - id % 10) / 10 - 100;
				if(id < 1000)
					Program.unshift(cmds);
				else
				if(id % 10)
					if(cmd[1])
						Program.splice(idd, 0, cmds);
					else
						Program.splice(idd, 1);
				else
				if(cmds)
					Program[idd] = cmds;
				else
					Program.splice(idd, 1);
			} else
				ParseRow(cmds, -1);
		}
	});
//	document.getElementById("Logs").innerHTML = log.join("<br />");
	Exec();
}
window.onload	= function() {
	Input	= document.getElementById("Input");
	Monitor	= document.getElementById("Monitor");
	Input.addEventListener(
	"keydown", function() {
			if(13 == event.keyCode) {
				Monitor.innerHTML += this.textContent;
				Vars[VarId] = this.textContent;
				Watcher(this);
				window.event.returnValue = false;
				this.textContent = "";
				return false;
			}
		}
	);
	Input.focus();
}</script>
</head>
<body>
<pre><span id=Monitor></span><pre id=Input contenteditable=true>
1000 ..Copyright (C) 2018 by Alikberov..
1010 CLS:HEY "Hello, World!":HEY _
1020 DEF Ask:HUE FE8:HEY "Your Name?"
1030 ASK N$:HEY:IF N$:IS "":AT Ask:INK 37D
1040 HEY "I'm glad to see You, "
1050 HEY N$
1060 END
RUN</pre>
</pre>
<pre id=Logs></pre>
</body>