Created
March 12, 2010 07:26
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<!doctype html> | |
<html> | |
<head> | |
<script> | |
if(!this.JSON)this.JSON={}; (function(){function k(a){return a<10?"0"+a:a}function n(a){o.lastIndex=0;return o.test(a)?'"'+a.replace(o,function(c){var d=q[c];return typeof d==="string"?d:"\\u"+("0000"+c.charCodeAt(0).toString(16)).slice(-4)})+'"':'"'+a+'"'}function l(a,c){var d,f,i=g,e,b=c[a];if(b&&typeof b==="object"&&typeof b.toJSON==="function")b=b.toJSON(a);if(typeof j==="function")b=j.call(c,a,b);switch(typeof b){case "string":return n(b);case "number":return isFinite(b)?String(b):"null";case "boolean":case "null":return String(b);case "object":if(!b)return"null"; g+=m;e=[];if(Object.prototype.toString.apply(b)==="[object Array]"){f=b.length;for(a=0;a<f;a+=1)e[a]=l(a,b)||"null";c=e.length===0?"[]":g?"[\n"+g+e.join(",\n"+g)+"\n"+i+"]":"["+e.join(",")+"]";g=i;return c}if(j&&typeof j==="object"){f=j.length;for(a=0;a<f;a+=1){d=j[a];if(typeof d==="string")if(c=l(d,b))e.push(n(d)+(g?": ":":")+c)}}else for(d in b)if(Object.hasOwnProperty.call(b,d))if(c=l(d,b))e.push(n(d)+(g?": ":":")+c);c=e.length===0?"{}":g?"{\n"+g+e.join(",\n"+g)+"\n"+i+"}":"{"+e.join(",")+"}"; g=i;return c}}if(typeof Date.prototype.toJSON!=="function"){Date.prototype.toJSON=function(){return isFinite(this.valueOf())?this.getUTCFullYear()+"-"+k(this.getUTCMonth()+1)+"-"+k(this.getUTCDate())+"T"+k(this.getUTCHours())+":"+k(this.getUTCMinutes())+":"+k(this.getUTCSeconds())+"Z":null};String.prototype.toJSON=Number.prototype.toJSON=Boolean.prototype.toJSON=function(){return this.valueOf()}}var p=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, o=/[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,g,m,q={"\u0008":"\\b","\t":"\\t","\n":"\\n","\u000c":"\\f","\r":"\\r",'"':'\\"',"\\":"\\\\"},j;if(typeof JSON.stringify!=="function")JSON.stringify=function(a,c,d){var f;m=g="";if(typeof d==="number")for(f=0;f<d;f+=1)m+=" ";else if(typeof d==="string")m=d;if((j=c)&&typeof c!=="function"&&(typeof c!=="object"||typeof c.length!=="number"))throw new Error("JSON.stringify");return l("", {"":a})};if(typeof JSON.parse!=="function")JSON.parse=function(a,c){function d(f,i){var e,b,h=f[i];if(h&&typeof h==="object")for(e in h)if(Object.hasOwnProperty.call(h,e)){b=d(h,e);if(b!==undefined)h[e]=b;else delete h[e]}return c.call(f,i,h)}p.lastIndex=0;if(p.test(a))a=a.replace(p,function(f){return"\\u"+("0000"+f.charCodeAt(0).toString(16)).slice(-4)});if(/^[\],:{}\s]*$/.test(a.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,"@").replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, "]").replace(/(?:^|:|,)(?:\s*\[)+/g,""))){a=eval("("+a+")");return typeof c==="function"?d({"":a},""):a}throw new SyntaxError("JSON.parse");}})(); | |
var i = 0; | |
function parse_textarea() { | |
var text = document.getElementById("t").value | |
i = 0; | |
parse(text) | |
} | |
function print(x) { | |
console.log(x[1]) | |
} | |
function print2(arr) { | |
console.log(arr) | |
} | |
function _if() { | |
} | |
var heap = {} | |
var global_scope = {} | |
var heap_count = 0; | |
var current_scope = global_scope | |
var meta = {} | |
function set(varname, value, scope) { | |
heap[heap_count] = value; | |
scope[varname] = heap_count | |
return heap_count | |
heap_count++ | |
} | |
function set_literal(varname, value, scope) { | |
scope[varname] = value; | |
return value; | |
} | |
function set_address(varname, address, scope) { | |
scope[varname] = address | |
} | |
function get_address(varname, scope){ | |
var ret = scope[varname] | |
return ret | |
} | |
function lookup(varname, scope) { | |
if (varname in scope) { | |
var address = scope[varname]; | |
} else { | |
return varname | |
} | |
return heap[address]; | |
} | |
function lookup_by_address(address) { | |
return heap[address]; | |
} | |
function c(x) { console.log(x)} | |
function ev(exp) { | |
exp = exp[0] | |
if (exp.substr(0,"string".length) == "string") { | |
return exp.substr(string.length) | |
} | |
var set_string = exp.indexOf(' = "') | |
if (set_string != -1) { | |
var ret = exp.substr(set_string + ' = "'.length) | |
var address = set(exp.substr(0,set_string), ret, current_scope) | |
return ret | |
} | |
var words = exp.split(" ") | |
if (words.length == 1) { | |
ret = lookup(words[0], current_scope) | |
return ret | |
} | |
//testing this | |
if (words[1] == "=") { | |
if (words.length == 3) { | |
var value = words[2]; | |
if (value.test(/^[\d]+$/)) { //if digit | |
ret = | |
} | |
ret = get_address(value, current_scope) | |
set_address(words[0], ret, current_scope) | |
ret = lookup_by_address(ret) | |
return ret | |
} else if (words.length > 3) { | |
//set(words[0], lookup(words.slice(2), current_scope), current_scope) | |
} | |
} | |
} | |
var types = [ | |
//[/^print (.*)$/, print], | |
[/^(?:(?:[\S]+[\s]*)+)$/, ev], | |
//[/^(?:[\S]+[\s]{1})+[\S]+$/, print2], | |
[/test/, _if] | |
] | |
function parse(text) { | |
var lines = text.split('\n') | |
while (i < lines.length) { | |
line = lines[i] | |
for (var j in types) { | |
type = types[j] | |
r = types[j][0] | |
matches = line.match(r) | |
if (matches) { | |
f = types[j][1] | |
ret = f.call(null, matches) | |
console.log(ret) | |
break; | |
} | |
} | |
i++; | |
} | |
} | |
</script> | |
<style> | |
textarea { | |
width: 500px; | |
height: 500px; | |
} | |
</style> | |
</head> | |
<body> | |
<textarea id="t"></textarea> | |
<input type="button" onclick="parse_textarea()"> | |
</body> | |
</html> |
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