parser

Documentation

Index

• type Parser
  • func NewParser(input string) *Parser
  • func (p *Parser) Parse() command_args.CommandArgument
• type Scanner
  • func NewScanner(r io.Reader) *Scanner
  • func (s *Scanner) Advance() TokenStruct
  • func (s *Scanner) Expect(token Token) bool
  • func (s *Scanner) OptionalConsume(token Token)
  • func (s *Scanner) Peek(offset uint32) TokenStruct
  • func (s *Scanner) Read() TokenStruct
• type Token
• type TokenStruct

Types

type Parser

type Parser struct {
	Scanner Scanner
}

func NewParser

func NewParser(input string) *Parser

func (*Parser) Parse

func (p *Parser) Parse() command_args.CommandArgument

type Scanner

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

Lexical scanner

func NewScanner

func NewScanner(r io.Reader) *Scanner

func (*Scanner) Advance

func (s *Scanner) Advance() TokenStruct

func (*Scanner) Expect

func (s *Scanner) Expect(token Token) bool

func (*Scanner) OptionalConsume

func (s *Scanner) OptionalConsume(token Token)

func (*Scanner) Peek

func (s *Scanner) Peek(offset uint32) TokenStruct

func (*Scanner) Read

func (s *Scanner) Read() TokenStruct

type Token

type Token int

const (
	ILLEGAL Token = iota
	EOF
	EOL
	WS
	IDENT      // Command name, parameter
	STR        // String encased in quotes
	DASH       // Indication of a short command
	DDASH      // Indication of a long command
	ASSIGNMENT // =
)

Tokens

type TokenStruct

type TokenStruct struct {
	Tok Token
	Val string
}