public static string AsString(this AstExpressionOperator op)
{
return(op switch
{
AstExpressionOperator.Open => "(",
AstExpressionOperator.Close => ")",
// arithmetic
AstExpressionOperator.Plus => "+",
AstExpressionOperator.Minus => "-",
AstExpressionOperator.Divide => "/",
AstExpressionOperator.Multiply => "*",
AstExpressionOperator.Modulo => "%",
AstExpressionOperator.Power => "**",
AstExpressionOperator.Negate => "-",
// comparison
AstExpressionOperator.Equal => "=",
AstExpressionOperator.NotEqual => "<>",
AstExpressionOperator.Greater => ">",
AstExpressionOperator.Smaller => "<",
AstExpressionOperator.GreaterEqual => ">=",
AstExpressionOperator.SmallerEqual => "<=",
// bitwise
AstExpressionOperator.BitAnd => "&",
AstExpressionOperator.BitOr => "|",
AstExpressionOperator.BitXor => "^",
AstExpressionOperator.BitShiftLeft => "<<",
AstExpressionOperator.BitShiftRight => ">>",
AstExpressionOperator.BitRollLeft => "|<",
AstExpressionOperator.BitRollRight => ">|",
AstExpressionOperator.BitNegate => "~",
// logic
AstExpressionOperator.And => "and",
AstExpressionOperator.Or => "or",
AstExpressionOperator.Not => "not",
_ => String.Empty,
});
public bool IsOperator(AstExpressionOperator op) => (Operator & op) > 0;