private void SetNum(Generator_OPS.ItemOPS itemOPS, int num)
{
if (Generator.GetVariables().ContainsKey(itemOPS.Variable_Name))
{
Generator.SetVariable(itemOPS.Variable_Name, num);
}
else if (Generator.GetArrays().ContainsKey(itemOPS.Variable_Name))
{
Generator.SetArrayValue(itemOPS.Variable_Name, itemOPS.Array_Index, num);
}
else
{
throw new Exception($"A variable was expected, (row='{itemOPS.Row}', col='{itemOPS.Col}')");
}
}
private int GetNum(Generator_OPS.ItemOPS itemOPS)
{
if (itemOPS.Type_OPS == Generator_OPS.TypeOPS.NUMBER)
{
return(itemOPS.Number);
}
else if (itemOPS.Type_OPS == Generator_OPS.TypeOPS.VARIABLE)
{
if ((Generator.GetVariables()).ContainsKey(itemOPS.Variable_Name))
{
return(Generator.GetVariables()[itemOPS.Variable_Name]);
}
else
{
return(Generator.GetArrays()[itemOPS.Variable_Name][itemOPS.Array_Index]);
}
}
else
{
throw new Exception($"Variable or number was expected, (row='{itemOPS.Row}', col='{itemOPS.Col}')");
}
}
public void RunInterpreter()
{
ItemsOPS = Generator.RunGenerate(Analyzer.Analyze_Text(Program_Text));
Stack <Generator_OPS.ItemOPS> magazine = new Stack <Generator_OPS.ItemOPS>();
for (int i = 0; i < ItemsOPS.Count; i++)
{
switch (ItemsOPS[i].Type_OPS)
{
case Generator_OPS.TypeOPS.VARIABLE:
{
if (!Generator.GetVariables().ContainsKey(ItemsOPS[i].Variable_Name) &&
!Generator.GetArrays().ContainsKey(ItemsOPS[i].Variable_Name))
{
throw new Exception($"Unknown variable '{ItemsOPS[i].Variable_Name}', (row='{ItemsOPS[i].Row}', col='{ItemsOPS[i].Col}')");
}
magazine.Push(ItemsOPS[i]);
break;
}
case Generator_OPS.TypeOPS.NUMBER:
{
magazine.Push(ItemsOPS[i]);
break;
}
case Generator_OPS.TypeOPS.OPERATION:
{
switch (ItemsOPS[i].Operation_OPS)
{
case Generator_OPS.OperationOPS.READ:
{
int num = int.Parse(Console.ReadLine());
Generator_OPS.ItemOPS itemOPS = magazine.Pop();
SetNum(itemOPS, num);
break;
}
case Generator_OPS.OperationOPS.WRITE:
{
Generator_OPS.ItemOPS itemOPS = magazine.Pop();
Console.WriteLine(GetNum(itemOPS));
break;
}
case Generator_OPS.OperationOPS.PLUS:
{
Generator_OPS.ItemOPS itemOPS_2 = magazine.Pop();
Generator_OPS.ItemOPS itemOPS_1 = magazine.Pop();
magazine.Push(new Generator_OPS.ItemOPS(GetNum(itemOPS_1) + GetNum(itemOPS_2), itemOPS_1.Row, itemOPS_1.Col));
break;
}
case Generator_OPS.OperationOPS.MINUS:
{
Generator_OPS.ItemOPS itemOPS_2 = magazine.Pop();
Generator_OPS.ItemOPS itemOPS_1 = magazine.Pop();
magazine.Push(new Generator_OPS.ItemOPS(GetNum(itemOPS_1) - GetNum(itemOPS_2), itemOPS_1.Row, itemOPS_1.Col));
break;
}
case Generator_OPS.OperationOPS.MULTIPLY:
{
Generator_OPS.ItemOPS itemOPS_2 = magazine.Pop();
Generator_OPS.ItemOPS itemOPS_1 = magazine.Pop();
magazine.Push(new Generator_OPS.ItemOPS(GetNum(itemOPS_1) * GetNum(itemOPS_2), itemOPS_1.Row, itemOPS_1.Col));
break;
}
case Generator_OPS.OperationOPS.DIVIDE:
{
Generator_OPS.ItemOPS itemOPS_2 = magazine.Pop();
if (GetNum(itemOPS_2) == 0)
{
throw new Exception($"Division by zero, (row='{ItemsOPS[i].Row}', col='{ItemsOPS[i].Col}')");
}
Generator_OPS.ItemOPS itemOPS_1 = magazine.Pop();
magazine.Push(new Generator_OPS.ItemOPS(GetNum(itemOPS_1) / GetNum(itemOPS_2), itemOPS_1.Row, itemOPS_1.Col));
break;
}
case Generator_OPS.OperationOPS.LESS:
{
Generator_OPS.ItemOPS itemOPS_2 = magazine.Pop();
Generator_OPS.ItemOPS itemOPS_1 = magazine.Pop();
magazine.Push(new Generator_OPS.ItemOPS(GetNum(itemOPS_1) < GetNum(itemOPS_2) ? 1 : 0, itemOPS_1.Row, itemOPS_1.Col));
break;
}
case Generator_OPS.OperationOPS.MORE:
{
Generator_OPS.ItemOPS itemOPS_2 = magazine.Pop();
Generator_OPS.ItemOPS itemOPS_1 = magazine.Pop();
magazine.Push(new Generator_OPS.ItemOPS(GetNum(itemOPS_1) > GetNum(itemOPS_2) ? 1 : 0, itemOPS_1.Row, itemOPS_1.Col));
break;
}
case Generator_OPS.OperationOPS.EQUAL:
{
Generator_OPS.ItemOPS itemOPS_2 = magazine.Pop();
Generator_OPS.ItemOPS itemOPS_1 = magazine.Pop();
magazine.Push(new Generator_OPS.ItemOPS(GetNum(itemOPS_1) == GetNum(itemOPS_2) ? 1 : 0, itemOPS_1.Row, itemOPS_1.Col));
break;
}
case Generator_OPS.OperationOPS.LESS_OR_EQUAL:
{
Generator_OPS.ItemOPS itemOPS_2 = magazine.Pop();
Generator_OPS.ItemOPS itemOPS_1 = magazine.Pop();
magazine.Push(new Generator_OPS.ItemOPS(GetNum(itemOPS_1) <= GetNum(itemOPS_2) ? 1 : 0, itemOPS_1.Row, itemOPS_1.Col));
break;
}
case Generator_OPS.OperationOPS.MORE_OR_EQUAL:
{
Generator_OPS.ItemOPS itemOPS_2 = magazine.Pop();
Generator_OPS.ItemOPS itemOPS_1 = magazine.Pop();
magazine.Push(new Generator_OPS.ItemOPS(GetNum(itemOPS_1) >= GetNum(itemOPS_2) ? 1 : 0, itemOPS_1.Row, itemOPS_1.Col));
break;
}
case Generator_OPS.OperationOPS.NOT_EQUAL:
{
Generator_OPS.ItemOPS itemOPS_2 = magazine.Pop();
Generator_OPS.ItemOPS itemOPS_1 = magazine.Pop();
magazine.Push(new Generator_OPS.ItemOPS(GetNum(itemOPS_1) != GetNum(itemOPS_2) ? 1 : 0, itemOPS_1.Row, itemOPS_1.Col));
break;
}
case Generator_OPS.OperationOPS.ASSIGN:
{
Generator_OPS.ItemOPS itemOPS_2 = magazine.Pop();
Generator_OPS.ItemOPS itemOPS_1 = magazine.Pop();
SetNum(itemOPS_1, GetNum(itemOPS_2));
break;
}
case Generator_OPS.OperationOPS.J:
{
i = GetNum(magazine.Pop()) - 1;
break;
}
case Generator_OPS.OperationOPS.JF:
{
Generator_OPS.ItemOPS metka = magazine.Pop();
Generator_OPS.ItemOPS itemOPS = magazine.Pop();
if (GetNum(itemOPS) == 0)
{
i = GetNum(metka) - 1;
}
break;
}
case Generator_OPS.OperationOPS.I:
{
Generator_OPS.ItemOPS itemIDX = magazine.Pop();
Generator_OPS.ItemOPS array = magazine.Pop();
array.Array_Index = GetNum(itemIDX);
magazine.Push(array);
break;
}
default:
throw new Exception($"Unknown operation ops, (row='{ItemsOPS[i].Row}', col='{ItemsOPS[i].Col}')");
}
break;
}
}
}
}
