Pas2JS pascal source code


type
  TIntegers = array of Integer;

var
  a1, a2: TIntegers;
  i: Integer;

begin
  a1 := [1,2,3];
  for i := a1.Low to a1.High do
  Writeln(a1[i]);        // 1,2,3
  Writeln(a1.Length);      // 3
WriteLn('--------------');

  a2 := a1.Copy(1);
  for i := a2.Low to a2.High do
  Writeln(a2[i]);  // 2,3
  Writeln(a2.Length); // 2

WriteLn('--------------');
  a2 := a1.Copy;
  for i := a2.Low to a2.High do
  Writeln(a2[i]);  //1,2,3
  Writeln(a2.Length); //3

WriteLn('--------------');
  try   a2 := a1.Copy(3, 0);
  except   on e: Exception do
    Writeln(e.Message);
  end;

  try   a2 := a1.Copy(1, - 1);
  except   on e: Exception do
    Writeln(e.Message);
  end;

  try   a2 := a1.Copy(0, 4);
  except   on e: Exception do
    Writeln(e.Message);
  end;

  try   a2 := a1.Copy(-1, 2);
  except   on e: Exception do
    Writeln(e.Message);
  end;

      var a1 = [],
         a2 = [],
         i = 0;
      a1 = [1, 2, 3].slice();
      var $temp1;
      for(i=0,$temp1=a1.length;i<$temp1;i++) {
         WriteLn(a1[i]);
      }
      WriteLn(a1.length);
      WriteLn("--------------");
      a2 = a1.slice(1);
      var $temp2;
      for(i=0,$temp2=a2.length;i<$temp2;i++) {
         WriteLn(a2[i]);
      }
      WriteLn(a2.length);
      WriteLn("--------------");
      a2 = a1.slice(0);
      var $temp3;
      for(i=0,$temp3=a2.length;i<$temp3;i++) {
         WriteLn(a2[i]);
      }
      WriteLn("--------------");
      try {
         a2 = a1.slice(3,0);
      } catch ($e) {
         var e = $W($e);
         WriteLn(e.FMessage)      }
      try {
         a2 = a1.slice(1,(-1));
      } catch ($e) {
         var e$1 = $W($e);
         WriteLn(e$1.FMessage)      }
      try {
         a2 = a1.slice(0,4);
      } catch ($e) {
         var e$2 = $W($e);
         WriteLn(e$2.FMessage)      }
      try {
         a2 = a1.slice((-1),2);
      } catch ($e) {
         var e$3 = $W($e);
         WriteLn(e$3.FMessage)      }

//--------------------------------------
var Exception={
	$ClassName: "Exception",
	$Parent: TObject,
	$Init: function () { FMessage="" },
	Create: function (s,Msg) { s.FMessage=Msg; return s }
}
function $W(e) { return e.ClassType?e:Exception.Create($New(Exception),e.constructor.name+", "+e.message) }
function $New(c) { var i={ClassType:c}; c.$Init(i); return i }
function $Is(o,c) {
	if (o===null) return false;
	return $Inh(o.ClassType,c);
};
function $Inh(s,c) {
	if (s===null) return false;
	while ((s)&&(s!==c)) s=s.$Parent;
	return (s)?true:false;
};