} // NT_Expr
private static void NT_Term(out int t)
{
int f = 0; t = 0;
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_Fact(out t);
break;
case 2:
NT_Fact(out f);
break;
case 3: // SEM
t = t * f;
break;
case 4:
NT_Fact(out f);
break;
case 5: // SEM
t = t / f;
break;
} // switch
} // for
} // NT_Term
} // NT_Calc
private static void NT_Expr(out int e)
{
int t = 0; e = 0;
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_Term(out e);
break;
case 2:
NT_Term(out t);
break;
case 3: // SEM
e = e + t;
break;
case 4:
NT_Term(out t);
break;
case 5: // SEM
e = e - t;
break;
} // switch
} // for
} // NT_Expr
public static void StartSem()
{
//-----------------------------------|----------------------------------------
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_Calc();
break;
} // switch
} // for
} // StartSem
} // NT_Term
private static void NT_Fact(out int f)
{
f = 0;
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
Lex.GETnumberAttr(out f);
break;
case 2:
NT_Expr(out f);
break;
} // switch
} // for
} // NT_Fact
} // CalcSemMethod
// *** start of global SYN and SEM declarations from ATG ***
// *** end of global SYN and SEM declarations from ATG ***
private static void NT_Calc()
{
int e = 0;
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_Expr(out e);
break;
case 2: // SEM
Console.WriteLine(e);
break;
} // switch
} // for
} // NT_Calc