token

Documentation

Index

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

Constants

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

	// identifiers + literals
	IDENT = "IDENT"
	INT   = "INT"

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

	LT = "<"
	GT = ">"

	// delimeters
	COMMA     = ","
	SEMICOLON = ";"

	LPAREN = "("
	RPAREN = ")"

	LBRACE = "{"
	RBRACE = "}"

	// keywords
	FUNCTION = "FUNCTION"
	LET      = "LET"
	TRUE     = "TRUE"
	FALSE    = "FALSE"
	RETURN   = "RETURN"
	IF       = "IF"
	ELSE     = "ELSE"

	// 2 char tokens
	EQ = "=="
	NE = "!="
)

Types

type Token

type Token struct {
	Type    TokenType
	Literal string
}

type TokenType

type TokenType string

func LookupIdent

func LookupIdent(ident string) TokenType