public Node Exp() {
var node1 = ExpMas();
if (Current == TokenCategory.MENOS) {
Expect(TokenCategory.MENOS);
var node2 = new Menos() {
node1, Exp()
};
node1 = node2;
}
return node1;
}
public Node Exp()
{
var exp = ExpMas();
if (CurrentToken == Token.MENOS)
{
Expect(Token.MENOS);
exp = new Menos()
{
exp, Exp()
};
}
return(exp);
}
public Node Exp()
{
var exp1 = MasExp();
Console.WriteLine(exp1);
while (CurrentToken == Token.MENOS)
{
Expect(Token.MENOS);
var exp2 = new Menos()
{
exp1, Exp()
};
// exp2.Add(exp1);
// exp2.Add(MasExp());
exp1 = exp2;
}
return(exp1);
}
public string Visit(Menos node)
{
return(Visit((dynamic)node[0]) +
Visit((dynamic)node[1]) +
"\t\tcall string class ['pptlib']'ppt'.'Runtime'::'menos'(string, string)\n");
}