token

Documentation

Index

• Constants
• type Token
• type TokenType
  • func LookupKeyword(symbol string) TokenType

Constants

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

	// Symbols  + literals
	SYMBOL = "SYMBOL"
	INT    = "INT"

	// Special Form
	LAMBDA = "LAMBDA"
	QUOTE  = "'"
	IF     = "IF"
	SETQ   = "SETQ"

	PLUS  = "+"
	MINUS = "-"

	DOT       = "."
	BACKQUOTE = "`"
	COMMA     = ","

	// Delimiters
	LPAREN = "("
	RPAREN = ")"

	// Keywords
	NIL  = "nil"
	TRUE = "t"
)

Types

type Token

type Token struct {
	Type    TokenType
	Literal string
}

type TokenType

type TokenType string

func LookupKeyword

func LookupKeyword(symbol string) TokenType