token

Documentation

Index

• Constants
• type Token
  • func New(tokenType TokenType, literal string) Token
• type TokenType
  • func LookupIdent(s string) TokenType

Constants

const (
	// special
	ILLEGAL = "ILLEGAL"
	EOF     = "EOF"

	// types
	IDENT  = "IDENT"
	INT    = "INT"
	STRING = "STRING"

	// operators
	ASSIGN   = "="
	PLUS     = "+"
	MINUS    = "-"
	BANG     = "!"
	ASTERISK = "*"
	SLASH    = "/"

	EQ = "=="
	NE = "!="

	LT = "<"
	GT = ">"

	// delimiters
	COMMA     = ","
	SEMICOLON = ";"
	COLON     = ":"

	LPAREN   = "("
	RPAREN   = ")"
	LBRACE   = "{"
	RBRACE   = "}"
	LBRACKET = "["
	RBRACKET = "]"

	// keywords
	FUNCTION = "fn"
	LET      = "let"
	IF       = "if"
	ELSE     = "else"
	TRUE     = "true"
	FALSE    = "false"
	RETURN   = "return"
)

Types

type Token

type Token struct {
	Type    TokenType
	Literal string
}

func New

func New(tokenType TokenType, literal string) Token

type TokenType

type TokenType string

func LookupIdent

func LookupIdent(s string) TokenType