token

Documentation

Index

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

Constants

const (
	// Special tokens
	ILLEGAL = "ILLEGAL"
	EOF     = "EOF"

	// Identifiers + literals
	IDENT  = "IDENT" // add, foobar, x, y, ...
	INT    = "INT"   // 1343456
	TRUE   = "TRUE"
	FALSE  = "FALSE"
	IF     = "IF"
	ELSE   = "ELSE"
	RETURN = "RETURN"

	// Operators
	ASSIGN   = "="
	PLUS     = "+"
	MINUS    = "-"
	BANG     = "!"
	ASTERISK = "*"
	SLASH    = "/"
	LT       = "<"
	GT       = ">"
	EQ       = "=="
	NOT_EQ   = "!="

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

	LPAREN = "("
	RPAREN = ")"
	LBRACE = "{"
	RBRACE = "}"

	// Keywords
	FUNCTION = "FUNCTION"
	LET      = "LET"
)

Types

type Token

type Token struct {
	Type    TokenType
	Literal string
}

type TokenType

type TokenType string

func LookupIdent

func LookupIdent(ident string) TokenType