private Expression GrabTerm()
{
Expression left = this.GrabFactor();
while (this.curToken.Type == TokenType.Multiply ||
this.curToken.Type == TokenType.Divide)
{
Token op = this.curToken;
this.NextToken();
Expression right = this.GrabFactor();
left = new BinOp(op, left, right);
}
return(left);
}
private Expression GrabExpr()
{
Expression left = this.GrabTerm();
while (this.curToken.Type == TokenType.Plus ||
this.curToken.Type == TokenType.Minus)
{
Token op = this.curToken;
this.NextToken();
Expression right = this.GrabTerm();
left = new BinOp(op, left, right);
}
return(left);
}
