interpreter

Documentation

Index

• type Lexer
  • func InitNewLexer(_src []rune) *Lexer
  • func NewInputFile(fname string) *Lexer
  • func (l *Lexer) GetLineColumn(i int) (line, col int)
  • func (l *Lexer) GetLineColumnOfToken(i int) (line, col int)
  • func (l *Lexer) GetString(lext, rext int) string

Types

type Lexer

type Lexer struct {
	I      []rune
	Tokens []*token.Token
}

func InitNewLexer

func InitNewLexer(_src []rune) *Lexer

func NewInputFile

func NewInputFile(fname string) *Lexer

func (*Lexer) GetLineColumn

func (l *Lexer) GetLineColumn(i int) (line, col int)

GetLineColumn returns the line and column of rune[i] in the input

func (*Lexer) GetLineColumnOfToken

func (l *Lexer) GetLineColumnOfToken(i int) (line, col int)

GetLineColumnOfToken returns the line and column of token[i] in the imput

func (*Lexer) GetString

func (l *Lexer) GetString(lext, rext int) string

GetString returns the input string from the left extent of Token[lext] to the right extent of Token[rext]