lexer

Documentation

Index

• Variables
• type Lexer
  • func New(file []byte, fileName string) *Lexer
  • func (l *Lexer) Collect() ([]Token, error)
  • func (l *Lexer) Next() (*Token, error)
• type LexerError
  • func (e *LexerError) At() Location
  • func (e *LexerError) Error() string
  • func (e *LexerError) Unwrap() error
• type Location
  • func (l *Location) String() string
• type Token
• type TokenType
  • func (t TokenType) String() string
• type UnexpectedRuneError
  • func (e *UnexpectedRuneError) Error() string

Variables

var ErrMixedIndentation = errors.New("mixed spaces and tabs aren't allowed on the same line")

Types

type Lexer

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

func New

func New(file []byte, fileName string) *Lexer

func (*Lexer) Collect

func (l *Lexer) Collect() ([]Token, error)

func (*Lexer) Next

func (l *Lexer) Next() (*Token, error)

type LexerError

type LexerError struct {
	Inner    error
	Location Location
}

func (*LexerError) At

func (e *LexerError) At() Location

func (*LexerError) Error

func (e *LexerError) Error() string

func (*LexerError) Unwrap

func (e *LexerError) Unwrap() error

type Location

type Location struct {
	File string

	// 0-based
	Line, Column int
}

func (*Location) String

func (l *Location) String() string

type Token

type Token struct {
	Type     TokenType
	Start    Location
	Depth    int
	Contents string
}

type TokenType

type TokenType int

const (
	TokenIdentifier TokenType = iota
	TokenNewLine
	TokenInlineText
	TokenImportPath

	TokenParenOpen
	TokenParenClose

	TokenEquals
	TokenDot
	TokenComma
	TokenPlus
	TokenHashtag
	TokenColon
	TokenInterpolationStart
	TokenQuestionMark
	TokenExclamationPoint
	TokenPipe

	TokenCommentStart
	TokenCommentStartBuffered
	TokenCommentText

	TokenClassName
	TokenID

	TokenKeyword
	TokenAttributeName
	TokenQuotedString

	TokenGoExpr
	TokenGoBlock

	TokenEOF
)

func (TokenType) String

func (t TokenType) String() string

type UnexpectedRuneError

type UnexpectedRuneError struct {
	Got      rune
	Expected string
}

func (*UnexpectedRuneError) Error

func (e *UnexpectedRuneError) Error() string