public Node ExprMul()
{
var node = ExprUnary();
while (firstOfExprMul.Contains(CurrentToken))
{
switch (CurrentToken)
{
case TokenCategory.MULTIPLICATION:
var node_mul = new Mul();
node_mul.AnchorToken = Expect(TokenCategory.MULTIPLICATION);
node_mul.Add(node);
node_mul.Add(ExprUnary());
node = node_mul;
break;
case TokenCategory.MODULO:
var node_rem = new Rem();
node_rem.AnchorToken = Expect(TokenCategory.MODULO);
node_rem.Add(node);
node_rem.Add(ExprUnary());
node = node_rem;
break;
case TokenCategory.DIVIDE:
var node_div = new Div();
node_div.AnchorToken = Expect(TokenCategory.DIVIDE);
node_div.Add(node);
node_div.Add(ExprUnary());
node = node_div;
break;
default:
throw new SyntaxError(firstOfExprMul, tokenStream.Current);
}
}
return(node);
}
