token

Documentation

Index

• type Token
• type Type
  • func LookupIdent(ident string) Type
  • func (i Type) String() string

Types

type Token

type Token struct {
	Type    Type
	Literal string
}

type Type

type Type uint8

const (
	ILLEGAL Type = iota
	EOL

	// Identifiers + literals.
	IDENT // add, foobar, x, y, ...
	INT   // 1343456
	FLOAT // 1. 1e3

	// Operators.
	ASSIGN
	PLUS
	MINUS
	BANG
	ASTERISK
	SLASH
	PERCENT

	LT
	GT
	// or equal variants.
	LTEQ
	GTEQ

	EQ
	NOTEQ

	// Delimiters.
	COMMA
	SEMICOLON

	LPAREN
	RPAREN
	LBRACE
	RBRACE
	LBRACKET
	RBRACKET
	COLON

	LINECOMMENT
	STARTCOMMENT
	ENDCOMMENT

	// Keywords.
	FUNCTION
	LET
	TRUE
	FALSE
	IF
	ELSE
	RETURN
	STRING
	MACRO
	// Built-in functions.
	LEN
	FIRST
	REST
	PRINT
	LOG
	EOF
)

func LookupIdent

func LookupIdent(ident string) Type

func (Type) String

func (i Type) String() string