parser

package

v0.6.0 Latest Latest Go to latest Published: Feb 2, 2020 License: Apache-2.0 Imports: 7 Imported by: 7

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Valid go.mod file
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Stable version
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Repository

github.com/arr-ai/wbnf

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Documentation ¶

Index ¶

Constants
func AssertEqualNodes(t *testing.T, v, u Node) bool
func ForEach(iter Iter, fn func(node BaseNode))
type BaseNode
- func AtIndex(nodes []BaseNode, ofType reflect.Type, tag Tag, index int) BaseNode
type Extra
type Foo
type Func
- func (f Func) Parse(input *Scanner, output *TreeElement) error
type Iter
- func NewIter(nodes []BaseNode, ofType reflect.Type, tag Tag) Iter
type Node
- func NewNode(tag string, extra Extra, children ...TreeElement) *Node
- func (n Node) Count() int
- func (n Node) Format(state fmt.State, c rune)
- func (n Node) Get(path ...int) TreeElement
- func (n Node) GetNode(path ...int) Node
- func (n Node) GetScanner(path ...int) Scanner
- func (n Node) GetString(path ...int) string
- func (Node) IsTreeElement()
- func (n Node) Normalize() Node
- func (n Node) String() string
type NodeDiff
- func NewNodeDiff(a, b *Node) NodeDiff
- func (d NodeDiff) Equal() bool
- func (d NodeDiff) String() string
type NonTerminal
- func (t *NonTerminal) Add(child ...BaseNode)
- func (t *NonTerminal) AddAndCount(child BaseNode, dest *int)
- func (t *NonTerminal) AddAndSet(child BaseNode, dest *BaseNode)
- func (t *NonTerminal) AllChildren() []BaseNode
- func (t *NonTerminal) AtIndex(ofType reflect.Type, tag Tag, index int) BaseNode
- func (t *NonTerminal) Count() int
- func (t *NonTerminal) Iter(ofType reflect.Type, tag Tag) Iter
- func (t *NonTerminal) Tag() Tag
type Parser
- func Transform(parser Parser, transform func(Node) Node) Parser
type Scanner
- func NewBareScanner(offset int, slice string) *Scanner
- func NewScanner(src string) *Scanner
- func NewScannerAt(src string, offset, size int) *Scanner
- func (r Scanner) Context() string
- func (r *Scanner) Eat(i int, eaten *Scanner) *Scanner
- func (r *Scanner) EatRegexp(re *regexp.Regexp, match *Scanner, captures []Scanner) (n int, ok bool)
- func (r *Scanner) EatString(s string, eaten *Scanner) bool
- func (r Scanner) Format(state fmt.State, c rune)
- func (Scanner) IsTreeElement()
- func (r Scanner) Offset() int
- func (r Scanner) Skip(i int) *Scanner
- func (r Scanner) Slice(a, b int) *Scanner
- func (r Scanner) String() string
- func (r Scanner) StripSource() Scanner
type Tag
type Terminal
- func (t Terminal) New(value string, tag Tag) BaseNode
- func (t *Terminal) NewFromPtr(value string, tag Tag) BaseNode
- func (t *Terminal) String() string
- func (t *Terminal) Tag() Tag
type TreeElement

Constants ¶

View Source

const NoTag = Tag("")

Variables ¶

This section is empty.

Functions ¶

func AssertEqualNodes ¶

func AssertEqualNodes(t *testing.T, v, u Node) bool

func ForEach ¶

func ForEach(iter Iter, fn func(node BaseNode))

Types ¶

type BaseNode ¶

type BaseNode interface {
	Tag() Tag
	// contains filtered or unexported methods
}

func AtIndex ¶

func AtIndex(nodes []BaseNode, ofType reflect.Type, tag Tag, index int) BaseNode

type Extra ¶ added in v0.6.0

type Extra interface {
	IsExtra()
}

type Foo ¶

type Foo struct{ Terminal }

type Func ¶

type Func func(input *Scanner, output *TreeElement) error

func (Func) Parse ¶

func (f Func) Parse(input *Scanner, output *TreeElement) error

type Iter ¶

type Iter interface {
	Next() BaseNode
}

func NewIter ¶

func NewIter(nodes []BaseNode, ofType reflect.Type, tag Tag) Iter

type Node ¶

type Node struct {
	Tag      string        `json:"tag"`
	Extra    Extra         `json:"extra"`
	Children []TreeElement `json:"nodes"`
}

func NewNode ¶

func NewNode(tag string, extra Extra, children ...TreeElement) *Node

func (Node) Count ¶

func (n Node) Count() int

func (Node) Format ¶

func (n Node) Format(state fmt.State, c rune)

func (Node) Get ¶

func (n Node) Get(path ...int) TreeElement

func (Node) GetNode ¶

func (n Node) GetNode(path ...int) Node

func (Node) GetScanner ¶

func (n Node) GetScanner(path ...int) Scanner

func (Node) GetString ¶

func (n Node) GetString(path ...int) string

func (Node) IsTreeElement ¶ added in v0.6.0

func (Node) IsTreeElement()

func (Node) Normalize ¶ added in v0.6.0

func (n Node) Normalize() Node

func (Node) String ¶

func (n Node) String() string

type NodeDiff ¶

type NodeDiff struct {
	A, B     *Node
	Children map[int]NodeDiff
	Types    map[int][2]reflect.Type
}

func NewNodeDiff ¶

func NewNodeDiff(a, b *Node) NodeDiff

func (NodeDiff) Equal ¶

func (d NodeDiff) Equal() bool

func (NodeDiff) String ¶

func (d NodeDiff) String() string

type NonTerminal ¶

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

func (*NonTerminal) Add ¶

func (t *NonTerminal) Add(child ...BaseNode)

func (*NonTerminal) AddAndCount ¶

func (t *NonTerminal) AddAndCount(child BaseNode, dest *int)

func (*NonTerminal) AddAndSet ¶

func (t *NonTerminal) AddAndSet(child BaseNode, dest *BaseNode)

func (*NonTerminal) AllChildren ¶

func (t *NonTerminal) AllChildren() []BaseNode

func (*NonTerminal) AtIndex ¶

func (t *NonTerminal) AtIndex(ofType reflect.Type, tag Tag, index int) BaseNode

func (*NonTerminal) Count ¶

func (t *NonTerminal) Count() int

func (*NonTerminal) Iter ¶

func (t *NonTerminal) Iter(ofType reflect.Type, tag Tag) Iter

func (*NonTerminal) Tag ¶

func (t *NonTerminal) Tag() Tag

type Parser ¶

type Parser interface {
	Parse(input *Scanner, output *TreeElement) error
}

func Transform ¶

func Transform(parser Parser, transform func(Node) Node) Parser

type Scanner ¶

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

func NewBareScanner ¶ added in v0.2.0

func NewBareScanner(offset int, slice string) *Scanner

func NewScanner ¶

func NewScanner(src string) *Scanner

func NewScannerAt ¶

func NewScannerAt(src string, offset, size int) *Scanner

func (Scanner) Context ¶

func (r Scanner) Context() string

func (*Scanner) Eat ¶

func (r *Scanner) Eat(i int, eaten *Scanner) *Scanner

func (*Scanner) EatRegexp ¶

func (r *Scanner) EatRegexp(re *regexp.Regexp, match *Scanner, captures []Scanner) (n int, ok bool)

EatRegexp eats the text matching a regexp, populating match (if != nil) with the whole match and captures (if != nil) with any captured groups. Returns n as the number of captures set and ok iff a match was found.

func (*Scanner) EatString ¶

func (r *Scanner) EatString(s string, eaten *Scanner) bool

func (Scanner) Format ¶

func (r Scanner) Format(state fmt.State, c rune)

func (Scanner) IsTreeElement ¶ added in v0.6.0

func (Scanner) IsTreeElement()

func (Scanner) Offset ¶

func (r Scanner) Offset() int

func (Scanner) Skip ¶

func (r Scanner) Skip(i int) *Scanner

func (Scanner) Slice ¶

func (r Scanner) Slice(a, b int) *Scanner

func (Scanner) String ¶

func (r Scanner) String() string

func (Scanner) StripSource ¶ added in v0.4.0

func (r Scanner) StripSource() Scanner

type Tag ¶

type Tag string

type Terminal ¶

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

func (Terminal) New ¶

func (t Terminal) New(value string, tag Tag) BaseNode

func (*Terminal) NewFromPtr ¶

func (t *Terminal) NewFromPtr(value string, tag Tag) BaseNode

func (*Terminal) String ¶

func (t *Terminal) String() string

func (*Terminal) Tag ¶

func (t *Terminal) Tag() Tag

type TreeElement ¶ added in v0.6.0

type TreeElement interface {
	IsTreeElement()
}

Source Files ¶

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