package lexer

import "gonum.org/v1/gonum/graph/formats/dot/internal/lexer"

Package lexer provides generated internal lexer functions for DOT parsing.

Index ¶

• Constants
• Variables
• type ActionRow
• func (a ActionRow) String() string
• type ActionTable
• type Lexer
• func NewLexer(src []byte) *Lexer
• func NewLexerFile(fpath string) (*Lexer, error)
• func (l *Lexer) Reset()
• func (l *Lexer) Scan() (tok *token.Token)
• type SourceContext
• func (s *SourceContext) Source() string
• type TransitionTable

Constants ¶

const (
	NoState    = -1
	NumStates  = 143
	NumSymbols = 184
)

Variables ¶

var ActTab = ActionTable{ /* 143 elements not displayed */

}

var TransTab = TransitionTable{ /* 143 elements not displayed */

}

Types ¶

type ActionRow ¶

type ActionRow struct {
	Accept token.Type
	Ignore string
}

func (ActionRow) String ¶

func (a ActionRow) String() string

type ActionTable ¶

type ActionTable [NumStates]ActionRow

type Lexer ¶

type Lexer struct {
	Context token.Context
	// contains filtered or unexported fields
}

func NewLexer ¶

func NewLexer(src []byte) *Lexer

func NewLexerFile ¶

func NewLexerFile(fpath string) (*Lexer, error)

func (*Lexer) Reset ¶

func (l *Lexer) Reset()

func (*Lexer) Scan ¶

func (l *Lexer) Scan() (tok *token.Token)

type SourceContext ¶

type SourceContext struct {
	Filepath string
}

SourceContext is a simple instance of a token.Context which contains the name of the source file.

func (*SourceContext) Source ¶

func (s *SourceContext) Source() string

type TransitionTable ¶

type TransitionTable [NumStates]func(rune) int

Let s be the current state Let r be the current input rune transitionTable[s](r) returns the next state.

Source Files ¶

acttab.go doc.go lexer.go transitiontable.go