Javascript mayhem

mayhem.js

Function.prototype.__defineGetter__("head",function(){return this.toString().split("{")[0].trim();});
Function.prototype.__defineGetter__("body",function(){return this.toString().split("{").slice(1).join("{").slice(0,-1).trim();});
Function.prototype.__defineGetter__("args",function(){return this.toString().split("{")[0].match(/\([\w\s\,]*\)/)[0].slice(1,-1).split(",");});
Function.prototype.__defineGetter__("stmts",function()
{
  var str = this.body;
  var stmtlist = [];
  var pcount = 0;
  var lastpos = str.length - 1;
  for (var i = str.length - 1; i >= 0; i--)
  {
  	switch (str[i])
  	{
  	  case ";":
  	    if (!pcount)
  	    {
  	      var s = (str.slice(i + 1,lastpos)).trim();
  	      if (s)
  	      {
  	        stmtlist.unshift(s);
  	        lastpos = i + 1;
  	      }
  	    }
  	  break;
  	  case "}":
  	    if (!pcount)
  	    {
  	      var s = (str.slice(i + 1,lastpos)).trim();
  	      if (s)
  	      {
  	        stmtlist.unshift(s);
  	        lastpos = i + 1;
  	      }
  	    }
        pcount ++;
  	  break;
  	  case "{":
  	    pcount --;
  	  break;
  	}
  }
  stmtlist.unshift(str.slice(0, lastpos));
  return stmtlist;
});

Function.prototype.__defineGetter__("freevars",function()
{
  var fvlist = []
  var str = this.body
  var endpos = this.length - 1;
  for (var i = str.length - 1; i >= 0; i--)
  {
  	if (str[i] == ";") //then reset the position.
  	  endpos = i;
  	else if (str.substr(i,4).search(/var\s/) == 0)	
    {
  	  var a = str.slice(i+4, endpos).split(",");
  	  for (j = 0; j < a.length; j++)
  	  	fvlist.unshift(a[j].trim().match(/^\w+/)[0]);
  	}
  }
  return fvlist;
});

"stmts" and "freevars" need to be modified to take into account comments and string embeddings.