func init
	// initialize instance
	if(isdef("Extern"))
		sys.add_var(this.name, 1)
	else
		this.setfield('i', 'i' + this.id)
	end
	if(linked("doStop"))
		sys.add_var('stop', 104)
	end
end

func doFor(end_data, start_data)
	if(isdef("InData"))
		end_data = start_data = 0
	end
	_end = d("End")
	_start = d("Start")
	if(linked("doStop"))
		blk.println(this.stop, ' = false;')
	end
	if(isdef("Extern"))
		blk.println('for (', this.codename, ' = ', _start, '; ', this.codename, ' <', isdef("IncludeEnd") ? '= ' : ' ', _end, '; ', this.codename, '++) {').inc()
		event("onEvent", this.codename)
	else
		blk.println('for (int ', this.i, ' = ', _start, '; ', this.i, ' <', isdef("IncludeEnd") ? '= ' : ' ', _end, '; ', this.i, '++) {').inc()
		event("onEvent", this.i)
	end
	if(linked("doStop"))
		blk.println('if (', this.stop, ') goto exit', this.id, ';')
	end
	blk.dec().println('}')
	if(linked("doStop"))
		blk.println('exit', this.id, ':;')
	end
	event("onStop")
end

func doStop()
	blk.println(this.stop, ' = true;')
end

func doBreak()
	if(linked("doFor"))
		blk.println('break;')
	end
end

func doContinue()
	if(linked("doFor"))
		blk.println('continue;')
	end
end

func Position
	return(isdef("Extern") ? this.codename : this.i)
end