// *** end of global SYN and SEM declarations from ATG ***
private static void NT_BinaryTree()
{
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1: // SEM
tree = new BTree();
break;
case 2:
NT_SubTree(ref tree);
break;
case 3: // SEM
Console.WriteLine("Tree:");
Console.Write("(");
if (tree.HasBeenAssigned())
{
Console.Write(tree);
}
Console.WriteLine(")");
break;
} // switch
} // for
} // NT_BinaryTree
} // NT_BinaryTree
private static void NT_SubTree(ref BTree t)
{
BTree left = new BTree();
BTree right = new BTree();
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_SubTree(ref left);
break;
case 2:
Lex.GETnumberAttr(out num);
break;
case 3: // SEM
t.Value = num;
t.Left = left;
t.Right = right;
break;
case 4:
NT_SubTree(ref right);
break;
} // switch
} // for
} // NT_SubTree
public static void StartSem()
{
//-----------------------------------|----------------------------------------
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_BinaryTree();
break;
} // switch
} // for
} // StartSem