parse

Documentation

Index

• Constants
• func Dump(chunk []ast.Stmt) string
• func Parse(reader io.Reader, name string) (chunk []ast.Stmt, err error)
• func TokenName(c int) string
• type Error
  • func (e *Error) Error() string
• type Lexer
  • func (lx *Lexer) Error(message string)
  • func (lx *Lexer) Lex(lval *yySymType) int
  • func (lx *Lexer) TokenError(tok ast.Token, message string)
• type Scanner
  • func NewScanner(reader io.Reader, source string) *Scanner
  • func (sc *Scanner) Error(tok string, msg string) *Error
  • func (sc *Scanner) Newline(ch int)
  • func (sc *Scanner) Next() int
  • func (sc *Scanner) Peek() int
  • func (sc *Scanner) Scan(lexer *Lexer) (ast.Token, error)
  • func (sc *Scanner) TokenError(tok ast.Token, msg string) *Error

Constants

const EOF = -1

const T2Colon = 57374

const T2Comma = 57372

const T3Comma = 57373

const TAnd = 57346

const TBreak = 57347

const TDo = 57348

const TElse = 57349

const TElseIf = 57350

const TEnd = 57351

const TEqeq = 57368

const TFalse = 57352

const TFor = 57353

const TFunction = 57354

const TGoto = 57367

const TGte = 57371

const TIdent = 57375

const TIf = 57355

const TIn = 57356

const TLocal = 57357

const TLte = 57370

const TNeq = 57369

const TNil = 57358

const TNot = 57359

const TNumber = 57376

const TOr = 57360

const TRepeat = 57362

const TReturn = 57361

const TString = 57377

const TThen = 57363

const TTrue = 57364

const TUntil = 57365

const TWhile = 57366

const UNARY = 57378

Functions

func Dump

func Dump(chunk []ast.Stmt) string

func Parse

func Parse(reader io.Reader, name string) (chunk []ast.Stmt, err error)

func TokenName

func TokenName(c int) string

Types

type Error

type Error struct {
	Pos     ast.Position
	Message string
	Token   string
}

func (*Error) Error

func (e *Error) Error() string

type Lexer

type Lexer struct {
	Stmts         []ast.Stmt
	PNewLine      bool
	Token         ast.Token
	PrevTokenType int
	// contains filtered or unexported fields
}

func (*Lexer) Error

func (lx *Lexer) Error(message string)

func (*Lexer) Lex

func (lx *Lexer) Lex(lval *yySymType) int

func (*Lexer) TokenError

func (lx *Lexer) TokenError(tok ast.Token, message string)

type Scanner

type Scanner struct {
	Pos ast.Position
	// contains filtered or unexported fields
}

func NewScanner

func NewScanner(reader io.Reader, source string) *Scanner

func (*Scanner) Error

func (sc *Scanner) Error(tok string, msg string) *Error

func (*Scanner) Newline

func (sc *Scanner) Newline(ch int)

func (*Scanner) Next

func (sc *Scanner) Next() int

func (*Scanner) Peek

func (sc *Scanner) Peek() int

func (*Scanner) Scan

func (sc *Scanner) Scan(lexer *Lexer) (ast.Token, error)

func (*Scanner) TokenError

func (sc *Scanner) TokenError(tok ast.Token, msg string) *Error