scanner

Documentation

Index

• Constants
• type Scanner
  • func New(source string) *Scanner
  • func (scanner *Scanner) ScanTokens() []expressions.Token

Constants

const (
	// Single-character tokens.
	LEFT_PAREN = iota
	RIGHT_PAREN
	LEFT_BRACE
	RIGHT_BRACE
	COMMA
	DOT
	MINUS
	PLUS
	SEMICOLON
	SLASH
	STAR

	// One or two character tokens.
	BANG
	BANG_EQUAL
	EQUAL
	EQUAL_EQUAL
	GREATER
	GREATER_EQUAL
	LESS
	LESS_EQUAL

	// Literals.
	IDENTIFIER
	STRING
	NUMBER

	// Keywords.
	AND
	CLASS
	ELSE
	FALSE
	FUNC
	FOR
	IF
	NIL
	OR
	PRINT
	RETURN
	SUPER
	THIS
	TRUE
	LET
	WHILE
	EXTENDS

	EOF
)

Types

type Scanner

type Scanner struct {
	// contains filtered or unexported fields
}

func New

func New(source string) *Scanner

func (*Scanner) ScanTokens

func (scanner *Scanner) ScanTokens() []expressions.Token