/// <summary>
/// Parse an add or subtract section of an expression.
/// </summary>
/// <returns>A node containing the tokenized expression.</returns>
public Node ParseMultiplyDivide()
{
var lhs = ParseUnary();
while (true)
{
OpTypes op;
switch (_tokenizer.Token)
{
case Tokens.Multiply:
op = OpTypes.Multiply;
break;
case Tokens.Divide:
op = OpTypes.Divide;
break;
default:
return(lhs);
}
_tokenizer.NextToken();
lhs = new NodeBinary(lhs, ParseUnary(), op);
}
}
/// <summary>
/// Parse an add or subtract section of an expression.
/// </summary>
/// <returns>A node containing the tokenized expression.</returns>
public Node ParseAddSubtract()
{
var lhs = ParseMultiplyDivide();
while (true)
{
OpTypes op;
switch (_tokenizer.Token)
{
case Tokens.Add:
op = OpTypes.Add;
break;
case Tokens.Subtract:
op = OpTypes.Subtract;
break;
default:
return(lhs);
}
_tokenizer.NextToken();
lhs = new NodeBinary(lhs, ParseMultiplyDivide(), op);
}
}