package object

// error encountered. This object is tracked through the evaluator and when
// encountered stops evaluation of the program or body of a function.
type Error struct {
	Message string
}

func (e Error) Bool() bool {
	return false
}

func (e Error) Type() Type {
	return ErrorType
}

func (e Error) Inspect() string {
	return "Error: " + e.Message
}

// Copy implements the Copyable interface
func (e Error) Copy() Object {
	return Error{Message: e.Message}
}

func (e Error) Compare(other Object) int {
	if obj, ok := other.(Error); ok {
		if e.Message > obj.Message {
			return 1
		}
		if e.Message == obj.Message {
			return 0
		}
		return -1
	}
	return -1
}

func (e Error) Error() string {
	return e.Message
}

func (e Error) String() string {
	return e.Message
}