public BinaryOpExprAST(char op, ExprAST lhs, ExprAST rhs)
{
switch (op)
{
case '+':
this.NodeType = ExprType.AddExpr;
break;
case '-':
this.NodeType = ExprType.SubtractExpr;
break;
case '*':
this.NodeType = ExprType.MultExpr;
break;
case '/':
this.NodeType = ExprType.DivideExpr;
break;
case '<':
this.NodeType = ExprType.LessThanExpr;
break;
default:
throw new ArgumentException("op " + op + " is not a valid operator");
}
this.Lhs = lhs;
this.Rhs = rhs;
}
public FunctionAST(ExprAST proto, ExprAST body)
{
this.Proto = (PrototypeAST)proto;
this.Body = body;
this.NodeType = ExprType.FunctionExpr;
}