token

Documentation

Index

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

Constants

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

	Constant         = "CONSTANT"
	Ident            = "IDENT"
	InstanceVariable = "INSTANCE_VAR"
	Int              = "INT"
	Float            = "FLOAT"
	String           = "STRING"
	Comment          = "COMMENT"

	Assign   = "="
	Plus     = "+"
	PlusEq   = "+="
	Minus    = "-"
	MinusEq  = "-="
	Bang     = "!"
	Asterisk = "*"
	Pow      = "**"
	Slash    = "/"
	Dot      = "."
	And      = "&&"
	Or       = "||"
	OrEq     = "||="
	Modulo   = "%"

	Match = "=~"
	LT    = "<"
	LTE   = "<="
	GT    = ">"
	GTE   = ">="
	COMP  = "<=>"

	Comma     = ","
	Semicolon = ";"
	Colon     = ":"
	Bar       = "|"

	LParen   = "("
	RParen   = ")"
	LBrace   = "{"
	RBrace   = "}"
	LBracket = "["
	RBracket = "]"

	Eq    = "=="
	NotEq = "!="
	Range = ".."

	True     = "TRUE"
	False    = "FALSE"
	Null     = "Null"
	If       = "IF"
	ElsIf    = "ELSIF"
	Else     = "ELSE"
	Case     = "CASE"
	When     = "WHEN"
	Return   = "RETURN"
	Next     = "NEXT"
	Break    = "BREAK"
	Def      = "DEF"
	Self     = "SELF"
	End      = "END"
	While    = "WHILE"
	Do       = "DO"
	Yield    = "YIELD"
	GetBlock = "GET_BLOCK"
	Class    = "CLASS"
	Module   = "MODULE"

	ResolutionOperator = "::"
)

Literals

Types

type Token

type Token struct {
	Type    Type
	Literal string
	Line    int
}

Token is structure for identifying input stream of characters

type Type

type Type string

Type is used to determite token type

func LookupIdent

func LookupIdent(ident string) Type

LookupIdent is used for keyword identification