hex

package

v0.3.0 Latest Latest Go to latest Published: Jun 9, 2020 License: Apache-2.0 Imports: 8 Imported by: 1

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Valid go.mod file
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Repository

github.com/VirusTotal/gyp

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Documentation ¶

Index ¶

Constants
func Parse(input io.Reader) (tokens []ast.HexToken, err error)
func YYmain(filenames ...string) (interface{}, error)
type Scanner
- func NewScanner() *Scanner
type YYcontext
type YYtype
- func Error(c gyperror.Code, msg string) YYtype
- func Token(t int) YYtype

Constants ¶

View Source

const StringChainingThreshold int = 200

Variables ¶

This section is empty.

Functions ¶

func Parse ¶

func Parse(input io.Reader) (tokens []ast.HexToken, err error)

Parse parses an hex string in a YARA rule from the provided input source

func YYmain ¶

func YYmain(filenames ...string) (interface{}, error)

Types ¶

type Scanner ¶

type Scanner struct {
	In     io.Reader
	Out    io.Writer
	Lineno int

	Filename      string
	Wrap          func(*Scanner) bool
	IsInteractive func(io.Reader) bool
	Context       YYcontext

	Interactive bool
	// contains filtered or unexported fields
}

func NewScanner ¶

func NewScanner() *Scanner

func (*Scanner) Input ¶

func (yy *Scanner) Input() (byte, error)

func (*Scanner) Lex ¶

func (yy *Scanner) Lex() YYtype

The main scanner function which does all the work.

func (*Scanner) NewFile ¶

func (yy *Scanner) NewFile()

func (*Scanner) Restart ¶

func (yy *Scanner) Restart(input_file io.Reader)

* Immediately switch to a different input stream.

@param input_file A readable stream. *
@note This function does not reset the start condition to @c yyInitial .

type YYcontext ¶

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

type YYtype ¶

type YYtype struct {
	Token int
	Error gyperror.Error
}

YYtype is the structure returned by the lexer every time the scanner asks for the next token. If the lexer wants to return an error to the scanner it sets the Error field and leaves the Token empty.

func Error ¶ added in v0.2.0

func Error(c gyperror.Code, msg string) YYtype

func Token ¶ added in v0.2.0

func Token(t int) YYtype

Source Files ¶

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