private Expression Term()
{
Expression Higher = Factor();
//* | /
while (Match(TokenType.Star) || Match(TokenType.Slash))
{
Token Token = Advance();
Higher = new BinaryExpr(Higher, Token, Factor());
if (IsAtEnd())
{
return(Higher);
}
}
return(Higher);
}
private Expression Expression()
{
Expression Higher = Term();
//+ | - | == | != | <= | >= | < | > | && | || | ^^
while (Match(TokenType.Plus) || Match(TokenType.Minus) || Match(TokenType.Equal_Equal) || Match(TokenType.Bang_Equal) ||
Match(TokenType.Less) || Match(TokenType.Less_Equal) || Match(TokenType.Greater) || Match(TokenType.Greater_Equal) ||
Match(TokenType.And) || Match(TokenType.Or) || Match(TokenType.Xor))
{
Token Token = Advance();
Higher = new BinaryExpr(Higher, Token, Term());
if (IsAtEnd())
{
return(Higher);
}
}
return(Higher);
}