ast

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 Go to latest Published: Apr 18, 2022 License: MIT Imports: 9 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func EqualDoc 

func EqualDoc(spec1, spec2 Spec) bool

EqualDoc compares whether the element literals in two Spec are equal

func NewTextExpr 

func NewTextExpr(v string) *defaultExpr

NewTextExpr creates a default instance for Expr

Types

type Api 

type Api struct {
	LinePrefix string
	Syntax     *SyntaxExpr
	Import     []*ImportExpr

	Info *InfoExpr
	Type []TypeExpr

	Service []*Service
	// contains filtered or unexported fields
}

Api describes syntax for api

func (*Api) Equal 

func (a *Api) Equal(v interface{}) bool

Equal compares whether the element literals in two Api are equal

func (*Api) Format 

func (a *Api) Format() error

Format provides a formatter for api command, now nothing to do

type ApiVisitor 

type ApiVisitor struct {
	*api.BaseApiParserVisitor
	// contains filtered or unexported fields
}

ApiVisitor wraps api.BaseApiParserVisitor to call methods which has prefix Visit to visit node from the api syntax

func NewApiVisitor 

func NewApiVisitor(options ...VisitorOption) *ApiVisitor

NewApiVisitor creates an instance for ApiVisitor

func (*ApiVisitor) VisitAnonymousFiled 

func (v *ApiVisitor) VisitAnonymousFiled(ctx *api.AnonymousFiledContext) interface{}

VisitAnonymousFiled implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitApi 

func (v *ApiVisitor) VisitApi(ctx *api.ApiContext) interface{}

VisitApi implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitArrayType 

func (v *ApiVisitor) VisitArrayType(ctx *api.ArrayTypeContext) interface{}

VisitArrayType implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitAtDoc 

func (v *ApiVisitor) VisitAtDoc(ctx *api.AtDocContext) interface{}

VisitAtDoc implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitAtHandler 

func (v *ApiVisitor) VisitAtHandler(ctx *api.AtHandlerContext) interface{}

VisitAtHandler implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitAtServer 

func (v *ApiVisitor) VisitAtServer(ctx *api.AtServerContext) interface{}

VisitAtServer implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitBody 

func (v *ApiVisitor) VisitBody(ctx *api.BodyContext) interface{}

VisitBody implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitDataType 

func (v *ApiVisitor) VisitDataType(ctx *api.DataTypeContext) interface{}

VisitDataType implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitField 

func (v *ApiVisitor) VisitField(ctx *api.FieldContext) interface{}

VisitField implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitImportBlock 

func (v *ApiVisitor) VisitImportBlock(ctx *api.ImportBlockContext) interface{}

VisitImportBlock implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitImportBlockValue 

func (v *ApiVisitor) VisitImportBlockValue(ctx *api.ImportBlockValueContext) interface{}

VisitImportBlockValue implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitImportLit 

func (v *ApiVisitor) VisitImportLit(ctx *api.ImportLitContext) interface{}

VisitImportLit implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitImportSpec 

func (v *ApiVisitor) VisitImportSpec(ctx *api.ImportSpecContext) interface{}

VisitImportSpec implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitImportValue 

func (v *ApiVisitor) VisitImportValue(ctx *api.ImportValueContext) interface{}

VisitImportValue implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitInfoSpec 

func (v *ApiVisitor) VisitInfoSpec(ctx *api.InfoSpecContext) interface{}

VisitInfoSpec implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitKvLit 

func (v *ApiVisitor) VisitKvLit(ctx *api.KvLitContext) interface{}

VisitKvLit implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitMapType 

func (v *ApiVisitor) VisitMapType(ctx *api.MapTypeContext) interface{}

VisitMapType implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitNormalField 

func (v *ApiVisitor) VisitNormalField(ctx *api.NormalFieldContext) interface{}

VisitNormalField implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitPointerType 

func (v *ApiVisitor) VisitPointerType(ctx *api.PointerTypeContext) interface{}

VisitPointerType implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitReplybody 

func (v *ApiVisitor) VisitReplybody(ctx *api.ReplybodyContext) interface{}

VisitReplybody implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitRoute 

func (v *ApiVisitor) VisitRoute(ctx *api.RouteContext) interface{}

serVisitRoute implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitServiceApi 

func (v *ApiVisitor) VisitServiceApi(ctx *api.ServiceApiContext) interface{}

VisitServiceApi implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitServiceRoute 

func (v *ApiVisitor) VisitServiceRoute(ctx *api.ServiceRouteContext) interface{}

VisitServiceRoute implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitServiceSpec 

func (v *ApiVisitor) VisitServiceSpec(ctx *api.ServiceSpecContext) interface{}

VisitServiceSpec implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitSpec 

func (v *ApiVisitor) VisitSpec(ctx *api.SpecContext) interface{}

VisitSpec implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitSyntaxLit 

func (v *ApiVisitor) VisitSyntaxLit(ctx *api.SyntaxLitContext) interface{}

VisitSyntaxLit implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitTypeAlias 

func (v *ApiVisitor) VisitTypeAlias(ctx *api.TypeAliasContext) interface{}

VisitTypeAlias implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitTypeBlock 

func (v *ApiVisitor) VisitTypeBlock(ctx *api.TypeBlockContext) interface{}

VisitTypeBlock implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitTypeBlockAlias 

func (v *ApiVisitor) VisitTypeBlockAlias(ctx *api.TypeBlockAliasContext) interface{}

VisitTypeBlockAlias implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitTypeBlockBody 

func (v *ApiVisitor) VisitTypeBlockBody(ctx *api.TypeBlockBodyContext) interface{}

VisitTypeBlockBody implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitTypeBlockStruct 

func (v *ApiVisitor) VisitTypeBlockStruct(ctx *api.TypeBlockStructContext) interface{}

VisitTypeBlockStruct implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitTypeLit 

func (v *ApiVisitor) VisitTypeLit(ctx *api.TypeLitContext) interface{}

VisitTypeLit implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitTypeLitBody 

func (v *ApiVisitor) VisitTypeLitBody(ctx *api.TypeLitBodyContext) interface{}

VisitTypeLitBody implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitTypeSpec 

func (v *ApiVisitor) VisitTypeSpec(ctx *api.TypeSpecContext) interface{}

VisitTypeSpec implements from api.BaseApiParserVisitor

func (*ApiVisitor) VisitTypeStruct 

func (v *ApiVisitor) VisitTypeStruct(ctx *api.TypeStructContext) interface{}

VisitTypeStruct implements from api.BaseApiParserVisitor

type Array 

type Array struct {
	ArrayExpr Expr
	LBrack    Expr
	RBrack    Expr
	Literal   DataType
}

Array describes the slice ast for api syntax

func (*Array) Equal 

func (a *Array) Equal(dt DataType) bool

Equal compares whether the element literals in two Array are equal

func (*Array) Expr 

func (a *Array) Expr() Expr

Expr returns the expression string of Array

func (*Array) Format 

func (a *Array) Format() error

Format provides a formatter for api command, now nothing to do

func (*Array) IsNotNil 

func (a *Array) IsNotNil() bool

IsNotNil returns whether the instance is nil or not

type AtDoc 

type AtDoc struct {
	AtDocToken Expr
	Lp         Expr
	Rp         Expr
	LineDoc    Expr
	Kv         []*KvExpr
}

AtDoc describes service comments ast for api syntax

func (*AtDoc) Equal 

func (a *AtDoc) Equal(v interface{}) bool

Equal compares whether the element literals in two AtDoc are equal

func (*AtDoc) Format 

func (a *AtDoc) Format() error

Format provides a formatter for api command, now nothing to do

type AtHandler 

type AtHandler struct {
	AtHandlerToken Expr
	Name           Expr
	DocExpr        []Expr
	CommentExpr    Expr
}

AtHandler describes service handler ast for api syntax

func (*AtHandler) Comment 

func (a *AtHandler) Comment() Expr

Comment returns the comment of AtHandler, like // some text

func (*AtHandler) Doc 

func (a *AtHandler) Doc() []Expr

Doc returns the document of AtHandler, like // some text

func (*AtHandler) Equal 

func (a *AtHandler) Equal(v interface{}) bool

Equal compares whether the element literals in two AtHandler are equal

func (*AtHandler) Format 

func (a *AtHandler) Format() error

Format provides a formatter for api command, now nothing to do

type AtServer 

type AtServer struct {
	AtServerToken Expr
	Lp            Expr
	Rp            Expr
	Kv            KV
}

AtServer describes server metadata for api syntax

func (*AtServer) Equal 

func (a *AtServer) Equal(v interface{}) bool

Equal compares whether the element literals in two AtServer are equal

func (*AtServer) Format 

func (a *AtServer) Format() error

Format provides a formatter for api command, now nothing to do

type Body 

type Body struct {
	ReturnExpr Expr
	Lp         Expr
	Rp         Expr
	Name       DataType
}

Body describes request,response body ast for api syntax

func (*Body) Equal 

func (b *Body) Equal(v interface{}) bool

Equal compares whether the element literals in two Body are equal

func (*Body) Format 

func (b *Body) Format() error

Format provides a formatter for api command, now nothing to do

type DataType 

type DataType interface {
	Expr() Expr
	Equal(dt DataType) bool
	Format() error
	IsNotNil() bool
}

DataType describes datatype for api syntax, the default implementation expressions are Literal, Interface, Map, Array, Time, Pointer

type Expr 

type Expr interface {
	Prefix() string
	Line() int
	Column() int
	Text() string
	SetText(text string)
	Start() int
	Stop() int
	Equal(expr Expr) bool
	IsNotNil() bool
}

Expr describes ast expression

type ImportExpr 

type ImportExpr struct {
	Import      Expr
	Value       Expr
	DocExpr     []Expr
	CommentExpr Expr
}

ImportExpr defines import syntax for api

func (*ImportExpr) Comment 

func (i *ImportExpr) Comment() Expr

Comment returns the comment of ImportExpr, like // some text

func (*ImportExpr) Doc 

func (i *ImportExpr) Doc() []Expr

Doc returns the document of ImportExpr, like // some text

func (*ImportExpr) Equal 

func (i *ImportExpr) Equal(v interface{}) bool

Equal compares whether the element literals in two ImportExpr are equal

func (*ImportExpr) Format 

func (i *ImportExpr) Format() error

Format provides a formatter for api command, now nothing to do

type InfoExpr 

type InfoExpr struct {
	Info Expr
	Lp   Expr
	Rp   Expr
	Kvs  []*KvExpr
}

InfoExpr defines info syntax for api

func (*InfoExpr) Equal 

func (i *InfoExpr) Equal(v interface{}) bool

Equal compares whether the element literals in two InfoExpr are equal

func (*InfoExpr) Format 

func (i *InfoExpr) Format() error

Format provides a formatter for api command, now nothing to do

type Interface 

type Interface struct {
	Literal Expr
}

Interface describes the interface type of golang,Its fixed value is interface{}

func (*Interface) Equal 

func (i *Interface) Equal(dt DataType) bool

Equal compares whether the element literals in two Interface are equal

func (*Interface) Expr 

func (i *Interface) Expr() Expr

Expr returns the expression string of Interface

func (*Interface) Format 

func (i *Interface) Format() error

Format provides a formatter for api command, now nothing to do

func (*Interface) IsNotNil 

func (i *Interface) IsNotNil() bool

IsNotNil returns whether the instance is nil or not

type KV 

type KV []*KvExpr

KV defines a slice for KvExpr

func (KV) Get 

func (kv KV) Get(key string) Expr

Get returns the target KV by specified key

type KvExpr 

type KvExpr struct {
	Key         Expr
	Value       Expr
	DocExpr     []Expr
	CommentExpr Expr
}

KvExpr describes key-value for api

func (*KvExpr) Comment 

func (k *KvExpr) Comment() Expr

Comment returns the comment of KvExpr, like // some text

func (*KvExpr) Doc 

func (k *KvExpr) Doc() []Expr

Doc returns the document of KvExpr, like // some text

func (*KvExpr) Equal 

func (k *KvExpr) Equal(v interface{}) bool

Equal compares whether the element literals in two KvExpr are equal

func (*KvExpr) Format 

func (k *KvExpr) Format() error

Format provides a formatter for api command, now nothing to do

type Literal 

type Literal struct {
	Literal Expr
}

Literal describes the basic types of golang, non-reference types, such as int, bool, Foo,...

func (*Literal) Equal 

func (l *Literal) Equal(dt DataType) bool

Equal compares whether the element literals in two Literal are equal

func (*Literal) Expr 

func (l *Literal) Expr() Expr

Expr returns the expression string of Literal

func (*Literal) Format 

func (l *Literal) Format() error

Format provides a formatter for api command, now nothing to do

func (*Literal) IsNotNil 

func (l *Literal) IsNotNil() bool

IsNotNil returns whether the instance is nil or not

type Map 

type Map struct {
	MapExpr Expr
	Map     Expr
	LBrack  Expr
	RBrack  Expr
	Key     Expr
	Value   DataType
}

Map describes the map ast for api syntax

func (*Map) Equal 

func (m *Map) Equal(dt DataType) bool

Equal compares whether the element literals in two Map are equal

func (*Map) Expr 

func (m *Map) Expr() Expr

Expr returns the expression string of Map

func (*Map) Format 

func (m *Map) Format() error

Format provides a formatter for api command, now nothing to do

func (*Map) IsNotNil 

func (m *Map) IsNotNil() bool

IsNotNil returns whether the instance is nil or not

type Parser 

type Parser struct {
	antlr.DefaultErrorListener
	// contains filtered or unexported fields
}

Parser provides api parsing capabilities

func NewParser 

func NewParser(options ...ParserOption) *Parser

NewParser creates an instance for Parser

func (*Parser) Accept 

func (p *Parser) Accept(fn func(p *api.ApiParserParser, visitor *ApiVisitor) interface{}, content string) (v interface{}, err error)

Accept can parse any terminalNode of api tree by fn. -- for debug

func (*Parser) Parse 

func (p *Parser) Parse(filename string) (*Api, error)

Parse is used to parse the api from the specified file name

func (*Parser) ParseContent 

func (p *Parser) ParseContent(content string, filename ...string) (*Api, error)

ParseContent is used to parse the api from the specified content

func (*Parser) SyntaxError 

func (p *Parser) SyntaxError(_ antlr.Recognizer, _ interface{}, line, column int, msg string, _ antlr.RecognitionException)

SyntaxError accepts errors and panic it

type ParserOption 

type ParserOption func(p *Parser)

ParserOption defines an function with argument Parser

func WithParserDebug 

func WithParserDebug() ParserOption

WithParserDebug returns a debug ParserOption

func WithParserPrefix 

func WithParserPrefix(prefix string) ParserOption

WithParserPrefix returns a prefix ParserOption

type PlaceHolder 

type PlaceHolder struct{}

PlaceHolder defines an empty struct 

var Holder PlaceHolder

Holder defines a default instance for PlaceHolder

type Pointer 

type Pointer struct {
	PointerExpr Expr
	Star        Expr
	Name        Expr
}

Pointer describes the pointer ast for api syntax

func (*Pointer) Equal 

func (p *Pointer) Equal(dt DataType) bool

Equal compares whether the element literals in two Pointer are equal

func (*Pointer) Expr 

func (p *Pointer) Expr() Expr

Expr returns the expression string of Pointer

func (*Pointer) Format 

func (p *Pointer) Format() error

Format provides a formatter for api command, now nothing to do

func (*Pointer) IsNotNil 

func (p *Pointer) IsNotNil() bool

IsNotNil returns whether the instance is nil or not

type Route 

type Route struct {
	Method      Expr
	Path        Expr
	Req         *Body
	ReturnToken Expr
	Reply       *Body
	DocExpr     []Expr
	CommentExpr Expr
}

Route describes route ast for api syntax

func (*Route) Comment 

func (r *Route) Comment() Expr

Comment returns the comment of Route, like // some text

func (*Route) Doc 

func (r *Route) Doc() []Expr

Doc returns the document of Route, like // some text

func (*Route) Equal 

func (r *Route) Equal(v interface{}) bool

Equal compares whether the element literals in two Route are equal

func (*Route) Format 

func (r *Route) Format() error

Format provides a formatter for api command, now nothing to do

type Service 

type Service struct {
	AtServer   *AtServer
	ServiceApi *ServiceApi
}

Service describes service for api syntax

func (*Service) Equal 

func (s *Service) Equal(v interface{}) bool

Equal compares whether the element literals in two Service are equal

func (*Service) Format 

func (s *Service) Format() error

Format provides a formatter for api command, now nothing to do

type ServiceApi 

type ServiceApi struct {
	ServiceToken Expr
	Name         Expr
	Lbrace       Expr
	Rbrace       Expr
	ServiceRoute []*ServiceRoute
}

ServiceApi describes service ast for api syntax

func (*ServiceApi) Equal 

func (a *ServiceApi) Equal(v interface{}) bool

Equal compares whether the element literals in two ServiceApi are equal

func (*ServiceApi) Format 

func (a *ServiceApi) Format() error

Format provides a formatter for api command, now nothing to do

type ServiceRoute 

type ServiceRoute struct {
	AtDoc     *AtDoc
	AtServer  *AtServer
	AtHandler *AtHandler
	Route     *Route
}

ServiceRoute describes service route ast for api syntax

func (*ServiceRoute) Equal 

func (s *ServiceRoute) Equal(v interface{}) bool

Equal compares whether the element literals in two ServiceRoute are equal

func (*ServiceRoute) Format 

func (s *ServiceRoute) Format() error

Format provides a formatter for api command, now nothing to do

func (*ServiceRoute) GetHandler 

func (s *ServiceRoute) GetHandler() Expr

GetHandler returns handler name of api route

type Spec 

type Spec interface {
	Doc() []Expr
	Comment() Expr
	Format() error
	Equal(v interface{}) bool
}

Spec describes api spec

type SyntaxExpr 

type SyntaxExpr struct {
	Syntax      Expr
	Assign      Expr
	Version     Expr
	DocExpr     []Expr
	CommentExpr Expr
}

SyntaxExpr describes syntax for api

func (*SyntaxExpr) Comment 

func (s *SyntaxExpr) Comment() Expr

Comment returns the comment of SyntaxExpr, like // some text

func (*SyntaxExpr) Doc 

func (s *SyntaxExpr) Doc() []Expr

Doc returns the document of SyntaxExpr, like // some text

func (*SyntaxExpr) Equal 

func (s *SyntaxExpr) Equal(v interface{}) bool

Equal compares whether the element literals in two SyntaxExpr are equal

func (*SyntaxExpr) Format 

func (s *SyntaxExpr) Format() error

Format provides a formatter for api command, now nothing to do

type Time 

type Time struct {
	Literal Expr
}

Time describes the time ast for api syntax

func (*Time) Equal 

func (t *Time) Equal(dt DataType) bool

Equal compares whether the element literals in two Time are equal

func (*Time) Expr 

func (t *Time) Expr() Expr

Expr returns the expression string of Time

func (*Time) Format 

func (t *Time) Format() error

Format provides a formatter for api command, now nothing to do

func (*Time) IsNotNil 

func (t *Time) IsNotNil() bool

IsNotNil returns whether the instance is nil or not

type TokenStream 

type TokenStream interface {
	GetStart() antlr.Token
	GetStop() antlr.Token
	GetParser() antlr.Parser
}

TokenStream defines a token

type TypeAlias 

type TypeAlias struct {
	Name        Expr
	Assign      Expr
	DataType    DataType
	DocExpr     []Expr
	CommentExpr Expr
}

TypeAlias describes alias ast for api syntax

func (*TypeAlias) Comment 

func (a *TypeAlias) Comment() Expr

Comment returns the comment of TypeAlias, like // some text

func (*TypeAlias) Doc 

func (a *TypeAlias) Doc() []Expr

Doc returns the document of TypeAlias, like // some text

func (*TypeAlias) Equal 

func (a *TypeAlias) Equal(v interface{}) bool

Equal compares whether the element literals in two TypeAlias are equal

func (*TypeAlias) Format 

func (a *TypeAlias) Format() error

Format provides a formatter for api command, now nothing to do

func (*TypeAlias) NameExpr 

func (a *TypeAlias) NameExpr() Expr

NameExpr returns the expression string of TypeAlias

type TypeExpr 

type TypeExpr interface {
	Doc() []Expr
	Format() error
	Equal(v interface{}) bool
	NameExpr() Expr
}

TypeExpr describes an expression for TypeAlias and TypeStruct

type TypeField 

type TypeField struct {
	IsAnonymous bool
	// Name is nil if IsAnonymous
	Name        Expr
	DataType    DataType
	Tag         Expr
	DocExpr     []Expr
	CommentExpr Expr
}

TypeField describes field ast for api syntax

func (*TypeField) Comment 

func (t *TypeField) Comment() Expr

Comment returns the comment of TypeField, like // some text

func (*TypeField) Doc 

func (t *TypeField) Doc() []Expr

Doc returns the document of TypeField, like // some text

func (*TypeField) Equal 

func (t *TypeField) Equal(v interface{}) bool

Equal compares whether the element literals in two TypeField are equal

func (*TypeField) Format 

func (t *TypeField) Format() error

Format provides a formatter for api command, now nothing to do

type TypeStruct 

type TypeStruct struct {
	Name    Expr
	Struct  Expr
	LBrace  Expr
	RBrace  Expr
	DocExpr []Expr
	Fields  []*TypeField
}

TypeStruct describes structure ast for api syntax

func (*TypeStruct) Doc 

func (s *TypeStruct) Doc() []Expr

Doc returns the document of TypeStruct, like // some text

func (*TypeStruct) Equal 

func (s *TypeStruct) Equal(dt interface{}) bool

Equal compares whether the element literals in two TypeStruct are equal

func (*TypeStruct) Format 

func (s *TypeStruct) Format() error

Format provides a formatter for api command, now nothing to do

func (*TypeStruct) NameExpr 

func (s *TypeStruct) NameExpr() Expr

NameExpr returns the expression string of TypeStruct

type VisitorOption 

type VisitorOption func(v *ApiVisitor)

VisitorOption defines a function with argument ApiVisitor

func WithVisitorDebug 

func WithVisitorDebug() VisitorOption

WithVisitorDebug returns a debug VisitorOption

func WithVisitorPrefix 

func WithVisitorPrefix(prefix string) VisitorOption

WithVisitorPrefix returns a VisitorOption wrap with specified prefix

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