public Node ParseFactor()
{
Node left = ParseGetAndCall();
while (match(TokenType.STAR, TokenType.SLASH))
{
Token op = previous();
Node right = ParseGetAndCall();
left = new BinaryOpNode(left, right, op);
}
return(left);
}
public Node ParseTerm()
{
Node left = ParseFactor();
while (match(TokenType.PLUS, TokenType.MINUS))
{
Token op = previous();
Node right = ParseFactor();
left = new BinaryOpNode(left, right, op);
}
return(left);
}
public Node ParseEquals()
{
Node left = ParseComparison();
while (match(TokenType.EQUAL_EQUAL, TokenType.BANG_EQUAL))
{
Token op = previous();
Node right = ParseComparison();
left = new BinaryOpNode(left, right, op);
}
return(left);
}
public Node ParseComparison()
{
Node left = ParseTerm();
while (match(TokenType.GREATER, TokenType.GREATER_EQUAL, TokenType.LESS, TokenType.LESS_EQUAL))
{
Token op = previous();
Node right = ParseTerm();
left = new BinaryOpNode(left, right, op);
}
return(left);
}
public Node ParseAnd()
{
Node left = ParseEquals();
while (match(TokenType.AND))
{
Token op = previous();
Node right = ParseEquals();
left = new BinaryOpNode(left, right, op);
}
return(left);
}