//****************************************************************************************************
public void Step(Subroutine.Moment pos, int forpos) {
Namespace cn = InterprEnvironment.Instance.CurrentNamespace;
VarBase res = cn[m_counter_var];
if (!res.IsInt())
throw new CalcException("“ип переменной - счетчика цикла был изменен");
int resval = (res as IntVar).Val;
resval++;
res = new IntVar(resval);
cn[m_counter_var] = res;
if (resval > m_end_res.Val)
pos.GoTo(m_next_pos + 1);
else
pos.GoTo(forpos + 1);
}
//****************************************************************************************************
public void Execute(Subroutine.Moment pos) {
VarBase resb, rese;
resb = m_begin.Calculate();
if (!resb.IsInt())
throw new CalcException("√раницы изменени¤ счетчика должны быть целыми");
IntVar resbi = resb as IntVar;
Namespace cn = InterprEnvironment.Instance.CurrentNamespace;
cn[m_counter_var] = resb;
rese = m_end.Calculate();
if (!rese.IsInt())
throw new CalcException("√раницы изменени¤ счетчика должны быть целыми");
m_end_res = rese as IntVar;
if (resbi.Val > m_end_res.Val)
pos.GoTo(m_next_pos + 1);
else
pos.Next();
}
//****************************************************************************************************
public VarBase Perform(ArgList al) {
Namespace ns = new Namespace(InterprEnvironment.Instance.CurrentNamespace);
ns["result"] = new IntVar(0);
int argc = m_args.Count;
if (al.Count != argc)
throw new CalcException("Ќеверное число параметров");
al.Reset();
for (int i = 0; i < argc; i++) {
ns[m_args[i] as System.String] = al.Get();
}
InterprEnvironment.Instance.CurrentNamespace = ns;
Moment moment = new Moment(this);
if (m_count > 1) {
try {
moment.Run();
}
catch (SyntaxErrorException ex) {
throw ex;
}
catch (CalcException ex) {
throw new CalcException("ќшибка в функции " + m_name + "[] в строке " + (moment.Pos + 1) + " : " + ex.Message);
}
}
VarBase res = ns["result"];
InterprEnvironment.Instance.CurrentNamespace = ns.PreviousNamespace;
if (res == null)
throw new CalcException("ќшибка в функции " + m_name + "[] : переменна¤ result не определена на момент выхода");
return res;
}
