package token

// Kind represents the type of token.
type Kind uint8

const (
	// Invalid represents an invalid token.
	Invalid Kind = iota

	// NewLine represents the newline character.
	NewLine

	// Identifier represents a series of characters used to identify a variable or function.
	Identifier

	// Keyword represents a language keyword.
	Keyword

	// String represents an uninterpreted series of characters in the source code.
	String

	// Number represents a series of numerical characters.
	Number

	// Operator represents a mathematical operator.
	Operator

	// Separator represents a comma.
	Separator

	// Comment represents a comment.
	Comment

	// GroupStart represents '('.
	GroupStart

	// GroupEnd represents ')'.
	GroupEnd

	// BlockStart represents '{'.
	BlockStart

	// BlockEnd represents '}'.
	BlockEnd

	// ArrayStart represents '['.
	ArrayStart

	// ArrayEnd represents ']'.
	ArrayEnd
)

// String returns the text representation.
func (kind Kind) String() string {
	return [...]string{
		"Invalid",
		"NewLine",
		"Identifier",
		"Keyword",
		"String",
		"Number",
		"Operator",
		"Separator",
		"Comment",
		"GroupStart",
		"GroupEnd",
		"BlockStart",
		"BlockEnd",
		"ArrayStart",
		"ArrayEnd",
	}[kind]
}