token

Documentation

Index

• Constants
• type Token
• type TokenType
  • func LookupIdent(ident string) TokenType

Constants

const (
	ILLEGAL = "ILLEGAL"
	EOF     = "EOF"
	// Identifiers + literals
	IDENT  = "IDENT" // add, foobar, x, y, ...
	INT    = "INT"   // 1343456
	STRING = "STRING"
	// Operators
	ASSIGN   = "ASSIGN"
	PLUS     = "+"
	MINUS    = "-"
	SLASH    = "/"
	BANG     = "!"
	GT       = ">"
	LT       = "<"
	ASTERISK = "*"
	EQ       = "=="
	NOT_EQ   = "!="
	// Delimiters
	COMMA     = ","
	SEMICOLON = ";"
	LPAREN    = "("
	RPAREN    = ")"
	LBRACE    = "{"
	RBRACE    = "}"
	LBRACKET  = "["
	RBRACKET  = "]"
	COLON     = ":"
	// Keywords
	FUNCTION = "FUNCTION"
	LET      = "LET"
	IF       = "IF"
	ELSE     = "ELSE"
	RETURN   = "RETURN"
	TRUE     = "TRUE"
	FALSE    = "FALSE"
)

Types

type Token

type Token struct {
	Type    TokenType
	Literal string
}

type TokenType

type TokenType string

func LookupIdent

func LookupIdent(ident string) TokenType