scanner

Documentation

Overview

Package scanner implements a tokeniser for lua. Inspired by https://talks.golang.org/2011/lex.slide#1

Index

• type Scanner
  • func New(name string, input []byte) *Scanner
  • func (l *Scanner) ErrorMsg() string
  • func (l *Scanner) Scan() *token.Token

Types

type Scanner

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

Scanner holds the state of the scanner.

func New

func New(name string, input []byte) *Scanner

New creates a new scanner for the input string.

func (*Scanner) ErrorMsg

func (l *Scanner) ErrorMsg() string

ErrorMsg returns the current error message or an empty string if there is none.

func (*Scanner) Scan

func (l *Scanner) Scan() *token.Token

Scan returns the next item from the input (or nil)