parser

package

v0.0.7 Latest Latest Go to latest Published: Dec 19, 2018 License: MIT Imports: 4 Imported by: 0

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Repository

github.com/backd-io/anko

Documentation ¶

Overview ¶

Package parser implements parser for anko.

Index ¶

Constants
func EnableErrorVerbose()
func Parse(s *Scanner) ([]ast.Stmt, error)
func ParseSrc(src string) ([]ast.Stmt, error)
type Error
- func (e *Error) Error() string
type Lexer
- func (l *Lexer) Error(msg string)
- func (l *Lexer) Lex(lval *yySymType) int
type Scanner
- func (s *Scanner) Init(src string)
- func (s *Scanner) Scan() (tok int, lit string, pos ast.Position, err error)

Constants ¶

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const (
	// EOF is short for End of file.
	EOF = -1
	// EOL is short for End of line.
	EOL = '\n'
)

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const ANDAND = 57364

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const ANDEQ = 57378

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const ARRAY = 57349

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const BREAK = 57380

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const CASE = 57388

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const CATCH = 57372

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const CHAN = 57391

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const CONTINUE = 57381

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const DEFAULT = 57389

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const DELETE = 57396

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const DIVEQ = 57377

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const ELSE = 57356

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const EQEQ = 57359

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const FALSE = 57367

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const FINALLY = 57373

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const FOR = 57357

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const FUNC = 57351

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const GE = 57361

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const GO = 57390

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const IDENT = 57346

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const IF = 57355

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const IN = 57358

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const LE = 57362

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const LEN = 57395

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const MAKE = 57392

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const MINUSEQ = 57375

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const MINUSMINUS = 57383

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const MODULE = 57370

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const MULEQ = 57376

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const NEQ = 57360

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const NEW = 57365

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const NIL = 57368

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const NILCOALESCE = 57369

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const NUMBER = 57347

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const OPCHAN = 57393

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const OREQ = 57379

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const OROR = 57363

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const PLUSEQ = 57374

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const PLUSPLUS = 57382

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const POW = 57384

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const RETURN = 57352

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const SHIFTLEFT = 57385

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const SHIFTRIGHT = 57386

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const STRING = 57348

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const SWITCH = 57387

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const THROW = 57354

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const TRUE = 57366

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const TRY = 57371

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const TYPE = 57394

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const UNARY = 57397

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const VAR = 57353

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const VARARG = 57350

Variables ¶

This section is empty.

Functions ¶

func EnableErrorVerbose ¶

func EnableErrorVerbose()

EnableErrorVerbose enabled verbose errors from the parser

func Parse ¶

func Parse(s *Scanner) ([]ast.Stmt, error)

Parse provides way to parse the code using Scanner.

func ParseSrc ¶

func ParseSrc(src string) ([]ast.Stmt, error)

ParseSrc provides way to parse the code from source.

Types ¶

type Error ¶

type Error struct {
	Message  string
	Pos      ast.Position
	Filename string
	Fatal    bool
}

Error provides a convenient interface for handling runtime error. It can be Error interface with type cast which can call Pos().

func (*Error) Error ¶

func (e *Error) Error() string

Error returns the error message.

type Lexer ¶

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

Lexer provides interface to parse codes.

func (*Lexer) Error ¶

func (l *Lexer) Error(msg string)

Error sets parse error.

func (*Lexer) Lex ¶

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

Lex scans the token and literals.

type Scanner ¶

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

Scanner stores informations for lexer.

func (*Scanner) Init ¶

func (s *Scanner) Init(src string)

Init resets code to scan.

func (*Scanner) Scan ¶

func (s *Scanner) Scan() (tok int, lit string, pos ast.Position, err error)

Scan analyses token, and decide identify or literals.

Source Files ¶

View all Source files

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