token

Documentation

Index

• Constants
• type Token
• type TokenType
  • func LookupTokenType(literal string) TokenType

Constants

const (
	ILLEGAL = "ILLEGAL"
	EOF     = "EOF"

	// Keywords
	FUNCTION = "FN"
	LET      = "LET"
	IF       = "if"
	ELSE     = "else"
	RETURN   = "return"
	TRUE     = "true"
	FALSE    = "false"

	IDENT  = "IDENT" // Identifier
	INT    = "INT"   // Literal
	STRING = "STRING"

	// Operators
	ASSIGN = "="
	PLUS   = "+"
	MINUS  = "-"
	MUL    = "*"
	DIV    = "/"
	BANG   = "!"
	EQ     = "=="
	NEQ    = "!="

	LT = "<"
	GT = ">"

	// Delimiters
	COMMA     = ","
	SEMICOLON = ";"

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

Types

type Token

type Token struct {
	Type    TokenType
	Literal string
}

type TokenType

type TokenType string

func LookupTokenType

func LookupTokenType(literal string) TokenType