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Package ast

func Insert ¶

func Insert(parent *Node, children ...*Node)

type Kind ¶

type Kind int

const (
    KindNothing Kind = iota
    KindPattern
    KindList
    KindRange
    KindText
    KindAny
    KindSuper
    KindSingle
    KindAnyOf
)

func (Kind) String ¶

func (k Kind) String() string

type Lexer ¶

type Lexer interface {
    Next() lexer.Token
}

type List ¶

type List struct {
    Not   bool
    Chars string
}

type Node ¶

type Node struct {
    Parent   *Node
    Children []*Node
    Value    interface{}
    Kind     Kind
}

func NewNode ¶

func NewNode(k Kind, v interface{}, ch ...*Node) *Node

func Parse ¶

func Parse(lexer Lexer) (*Node, error)

func (*Node) Equal ¶

func (a *Node) Equal(b *Node) bool

func (*Node) String ¶

func (a *Node) String() string

type Range ¶

type Range struct {
    Not    bool
    Lo, Hi rune
}

type Text ¶

type Text struct {
    Text string
}