token

Documentation

Index

• type Token
• type TokenType
  • func LookupIdentifier(identifier string) TokenType

Types

type Token

type Token struct {
	Type    TokenType
	Literal string
}

Token ...

type TokenType

type TokenType string

TokenType ...

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

	// Identifiers + literals
	IDENTIFIER TokenType = "IDENTIFIER"
	INTEGER    TokenType = "INTEGER"

	// Operators
	ASSIGN   TokenType = "="
	PLUS     TokenType = "+"
	MINUS    TokenType = "-"
	BANG     TokenType = "!"
	ASTERISK TokenType = "*"
	SLASH    TokenType = "/"

	LT    TokenType = "<"
	GT    TokenType = ">"
	EQ    TokenType = "=="
	NOTEQ TokenType = "!="

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

	// LPAREN ...
	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 LookupIdentifier

func LookupIdentifier(identifier string) TokenType