Episode 002

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(function(){

function evalta_onkeyup()
  {
    var code;
    var hr;
    var line_count;
    var lines;
    var ta;

ta = document.getElementById("evalta");
    code = ta.text ? ta.text : ta.value;
    lines = code.split("\n");
    line_count = lines.length;
    ta.rows = (line_count > 7) ? "7" : line_count;
    hr = document.getElementById("evalhr");
    hr.scrollIntoView();
    ta.scrollIntoView();
  }

var eval_onclick;

eval_onclick = function()
  {
    ({
      execute: function(v)
        {
          v = {};
          this.logs = document.getElementById("logs");
          this.ta = document.getElementById("evalta");
          if (typeof this.ta.text != "undefined")
            {
              this.code = this.ta.text;
              this.ta.text = "";
            }
            else
            {
              this.code = this.ta.value;
              this.ta.value = "";
            }
          this.ta.setAttribute("rows", "1");
          this.log("code", this.code);
          this.result = (0, this.safeEvaluate)(this.code);
          if (this.result.thrown)
            {
              if (!(this.result.error instanceof Error))
                {
                  this.log("error", this.result.error);
                }
                else
                {
                  if (typeof this.result.error.stack != "undefined")
                    {
                      this.log("error", this.result.error.stack);
                    }
                    else
                    {
                      v.errorLines = [];
                      v.errorProperties = this.keys(this.result.error);
                      for (v.i = 0; v.i < v.errorProperties.length; ++v.i)
                        {
                          v.errorProperty = v.errorProperties[v.i];
                          v.errorLines.push("[" + v.errorProperty + "]");
                          v.errorPropertyValue = this.result.error[v.errorProperty];
                          v.errorPropertyType = typeof v.errorPropertyValue;
                          if (v.errorPropertyType == "string")
                            {
                              v.errorLines.push(v.errorPropertyValue);
                            }
                            else
                            {
                              try
                                {
                                  v.errorLines.push([ v.errorPropertyValue ].join(""));
                                }
                                catch (e)
                                {
                                  v.errorLines.push("[" + v.errorPropertyType + " value]");
                                }
                            }
                          v.errorLines.push("");
                        }
                      this.log("error", v.errorLines.join("\n"));
                    }
                }
            }
            else
            {
              this.log("value", this.result.value);
            }
          this.ta.scrollIntoView();
        },
      keys: function(object, v)
        {
          if (typeof Object.keys == "function")
            return Object.keys(object);
          v = {};
          v.props = [];
          for (v.prop in object)
            v.props.push(v.prop);
          return v.props;
        },
      log: function(type, message, v)
        {
          v = {};
          v.now = new Date;
          message = ("" + message).replace(/\r\n/g, "\n").replace(/\r/g, "\n").replace(/\n/g, "\r");
          v.p = document.createElement("p");
          v.p.innerText = "[ahJ4s|" + v.now.getTime() + "|" + v.now.toString() + "|" + type + "]";
          v.ta = document.createElement("textarea");
          v.ta.setAttribute("cols", "73");
          v.ta.setAttribute("rows", message.split("\r").length);
          v.ta.readOnly = true;
          v.ta_text = document.createTextNode(message);
          v.ta.appendChild(v.ta_text);
          this.logs.appendChild(v.p);
          this.logs.appendChild(v.ta);
        },
      safeEvaluate: function(Bae8b_)
        {
          arguments = undefined;
          delete arguments;
          try
            {
              return { thrown: false, value: (0, eval)(Bae8b_) };
            }
            catch (error)
            {
              return { thrown: true, error: error };
            }
        }
    }).execute();
  }

var div = document.createElement("div");
div.setAttribute("id", "evaldiv");
div.innerHTML = (
    "<div id=\"logs\"></div>\n" +
    "<hr>\n" +
    "<textarea id=\"evalta\" cols=\"69\" rows=\"1\" onkeyup=\"(" + evalta_onkeyup.toString().replace(/\s+/g, " ").replace(/&/g, "&amp;").replace(/"/g, "&quot;") + ")();\"></textarea>\n" +
    "<button id=\"evalbutton\" onclick=\"(" + eval_onclick.toString().replace(/\s+/g, " ").replace(/&/g, "&amp;").replace(/"/g, "&quot;") + ")();\">Eval</button>" +
    "<hr id=\"evalhr\">"
  );
document.body.appendChild(div);

})();