token

Documentation

Index

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

Types

type Token

type Token struct {
	Type    TokenType
	Literal string
}

type TokenType

type TokenType string

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

	// Identidiers + Ilterals
	IDENT TokenType = "IDENT"
	INT   TokenType = "INT"

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

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

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

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

func LookupIdent

func LookupIdent(ident string) TokenType