void StackType::Push(symbol newItem)
{
if(IsFull())
throw FullStack();
top++;
items[top] = newItem;
}
void StackType::Push(ItemType newItem)
// Adds newItem to the top of the stack.
// Stack is bounded by size of memory.
// Pre: Stack has been initialized.
// Post: If stack is full, FullStack exception is thrown;
// else newItem is at the top of the stack.
{
if (IsFull())
throw FullStack();
else
{
NodeType* location;
location = new NodeType;
location->info = newItem;
location->next = topPtr;
topPtr = location;
}
}
