ast

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v1.1.6 Latest Latest
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 Go to latest Published: Oct 16, 2025 License: Apache-2.0 Imports: 10 Imported by: 0

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Constants

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const (
	NilIndent  = ""
	WhiteSpace = " "
	Indent     = "\t"
	NewLine    = "\n"
)

Variables

This section is empty.

Functions

func DuplicateStmtError 

func DuplicateStmtError(pos token.Position, msg string) error

DuplicateStmtError represents a duplicate statement error.

func Fprint 

func Fprint(w io.Writer, x interface{}, f FieldFilter) error

Fprint prints the value of x to the writer w.

func NotNilFilter 

func NotNilFilter(_ string, v reflect.Value) bool

NotNilFilter returns true for field values that are not nil, it returns false otherwise.

func Print 

func Print(x interface{}) error

func SyntaxError 

func SyntaxError(pos token.Position, format string, v ...interface{}) error

SyntaxError represents a syntax error.

Types

type AST 

type AST struct {
	Filename string
	Stmts    []Stmt
	// contains filtered or unexported fields
}

AST represents a parsed API file.

func (*AST) Format 

func (a *AST) Format(w io.Writer)

Format formats the AST.

func (*AST) FormatForUnitTest 

func (a *AST) FormatForUnitTest(w io.Writer)

FormatForUnitTest formats the AST for unit test.

func (*AST) Print 

func (a *AST) Print()

Print prints the AST.

type AnyDataType 

type AnyDataType struct {
	// Any is the any token node.
	Any *TokenNode
	// contains filtered or unexported fields
}

AnyDataType is the any data type.

func (*AnyDataType) CanEqual 

func (t *AnyDataType) CanEqual() bool

func (*AnyDataType) CommentGroup 

func (t *AnyDataType) CommentGroup() (head, leading CommentGroup)

func (*AnyDataType) ContainsStruct 

func (t *AnyDataType) ContainsStruct() bool

func (*AnyDataType) End 

func (t *AnyDataType) End() token.Position

func (*AnyDataType) Format 

func (t *AnyDataType) Format(prefix ...string) string

func (*AnyDataType) HasHeadCommentGroup 

func (t *AnyDataType) HasHeadCommentGroup() bool

func (*AnyDataType) HasLeadingCommentGroup 

func (t *AnyDataType) HasLeadingCommentGroup() bool

func (*AnyDataType) Pos 

func (t *AnyDataType) Pos() token.Position

func (*AnyDataType) RawText 

func (t *AnyDataType) RawText() string

type ArrayDataType 

type ArrayDataType struct {
	// LB is the left bracket token node.
	LBrack *TokenNode
	// Len is the array length.
	Length *TokenNode
	// RB is the right bracket token node.
	RBrack *TokenNode
	// DataType is the array data type.
	DataType DataType
	// contains filtered or unexported fields
}

ArrayDataType is the array data type.

func (*ArrayDataType) CanEqual 

func (t *ArrayDataType) CanEqual() bool

func (*ArrayDataType) CommentGroup 

func (t *ArrayDataType) CommentGroup() (head, leading CommentGroup)

func (*ArrayDataType) ContainsStruct 

func (t *ArrayDataType) ContainsStruct() bool

func (*ArrayDataType) End 

func (t *ArrayDataType) End() token.Position

func (*ArrayDataType) Format 

func (t *ArrayDataType) Format(prefix ...string) string

func (*ArrayDataType) HasHeadCommentGroup 

func (t *ArrayDataType) HasHeadCommentGroup() bool

func (*ArrayDataType) HasLeadingCommentGroup 

func (t *ArrayDataType) HasLeadingCommentGroup() bool

func (*ArrayDataType) Pos 

func (t *ArrayDataType) Pos() token.Position

func (*ArrayDataType) RawText 

func (t *ArrayDataType) RawText() string

type AtDocGroupStmt 

type AtDocGroupStmt struct {
	AtDoc  *TokenNode
	LParen *TokenNode
	Values []*KVExpr
	RParen *TokenNode
}

func (*AtDocGroupStmt) CommentGroup 

func (a *AtDocGroupStmt) CommentGroup() (head, leading CommentGroup)

func (*AtDocGroupStmt) End 

func (a *AtDocGroupStmt) End() token.Position

func (*AtDocGroupStmt) Format 

func (a *AtDocGroupStmt) Format(prefix ...string) string

func (*AtDocGroupStmt) HasHeadCommentGroup 

func (a *AtDocGroupStmt) HasHeadCommentGroup() bool

func (*AtDocGroupStmt) HasLeadingCommentGroup 

func (a *AtDocGroupStmt) HasLeadingCommentGroup() bool

func (*AtDocGroupStmt) Pos 

func (a *AtDocGroupStmt) Pos() token.Position

type AtDocLiteralStmt 

type AtDocLiteralStmt struct {
	AtDoc *TokenNode
	Value *TokenNode
}

func (*AtDocLiteralStmt) CommentGroup 

func (a *AtDocLiteralStmt) CommentGroup() (head, leading CommentGroup)

func (*AtDocLiteralStmt) End 

func (a *AtDocLiteralStmt) End() token.Position

func (*AtDocLiteralStmt) Format 

func (a *AtDocLiteralStmt) Format(prefix ...string) string

func (*AtDocLiteralStmt) HasHeadCommentGroup 

func (a *AtDocLiteralStmt) HasHeadCommentGroup() bool

func (*AtDocLiteralStmt) HasLeadingCommentGroup 

func (a *AtDocLiteralStmt) HasLeadingCommentGroup() bool

func (*AtDocLiteralStmt) Pos 

func (a *AtDocLiteralStmt) Pos() token.Position

type AtDocStmt 

type AtDocStmt interface {
	Stmt
	// contains filtered or unexported methods
}

type AtHandlerStmt 

type AtHandlerStmt struct {
	AtHandler *TokenNode
	Name      *TokenNode
}

func (*AtHandlerStmt) CommentGroup 

func (a *AtHandlerStmt) CommentGroup() (head, leading CommentGroup)

func (*AtHandlerStmt) End 

func (a *AtHandlerStmt) End() token.Position

func (*AtHandlerStmt) Format 

func (a *AtHandlerStmt) Format(prefix ...string) string

func (*AtHandlerStmt) HasHeadCommentGroup 

func (a *AtHandlerStmt) HasHeadCommentGroup() bool

func (*AtHandlerStmt) HasLeadingCommentGroup 

func (a *AtHandlerStmt) HasLeadingCommentGroup() bool

func (*AtHandlerStmt) Pos 

func (a *AtHandlerStmt) Pos() token.Position

type AtServerStmt 

type AtServerStmt struct {
	// AtServer is the @server token.
	AtServer *TokenNode
	// LParen is the left parenthesis token.
	LParen *TokenNode
	// Values is the key-value pairs.
	Values []*KVExpr
	// RParen is the right parenthesis token.
	RParen *TokenNode
}

AtServerStmt represents @server statement.

func (*AtServerStmt) CommentGroup 

func (a *AtServerStmt) CommentGroup() (head, leading CommentGroup)

func (*AtServerStmt) End 

func (a *AtServerStmt) End() token.Position

func (*AtServerStmt) Format 

func (a *AtServerStmt) Format(prefix ...string) string

func (*AtServerStmt) HasHeadCommentGroup 

func (a *AtServerStmt) HasHeadCommentGroup() bool

func (*AtServerStmt) HasLeadingCommentGroup 

func (a *AtServerStmt) HasLeadingCommentGroup() bool

func (*AtServerStmt) Pos 

func (a *AtServerStmt) Pos() token.Position

type BaseDataType 

type BaseDataType struct {
	// Base is the base token node.
	Base *TokenNode
	// contains filtered or unexported fields
}

BaseDataType is a common id type which contains bool, uint8, uint16, uint32, uint64, int8, int16, int32, int64, float32, float64, complex64, complex128, string, int, uint, uintptr, byte, rune, any.

func (*BaseDataType) CanEqual 

func (t *BaseDataType) CanEqual() bool

func (*BaseDataType) CommentGroup 

func (t *BaseDataType) CommentGroup() (head, leading CommentGroup)

func (*BaseDataType) ContainsStruct 

func (t *BaseDataType) ContainsStruct() bool

func (*BaseDataType) End 

func (t *BaseDataType) End() token.Position

func (*BaseDataType) Format 

func (t *BaseDataType) Format(prefix ...string) string

func (*BaseDataType) HasHeadCommentGroup 

func (t *BaseDataType) HasHeadCommentGroup() bool

func (*BaseDataType) HasLeadingCommentGroup 

func (t *BaseDataType) HasLeadingCommentGroup() bool

func (*BaseDataType) Pos 

func (t *BaseDataType) Pos() token.Position

func (*BaseDataType) RawText 

func (t *BaseDataType) RawText() string

type BodyExpr 

type BodyExpr struct {
	LBrack *TokenNode
	RBrack *TokenNode
	Star   *TokenNode
	Value  *TokenNode
}

func (*BodyExpr) CommentGroup 

func (e *BodyExpr) CommentGroup() (head, leading CommentGroup)

func (*BodyExpr) End 

func (e *BodyExpr) End() token.Position

func (*BodyExpr) Format 

func (e *BodyExpr) Format(...string) string

func (*BodyExpr) HasHeadCommentGroup 

func (e *BodyExpr) HasHeadCommentGroup() bool

func (*BodyExpr) HasLeadingCommentGroup 

func (e *BodyExpr) HasLeadingCommentGroup() bool

func (*BodyExpr) IsArrayType 

func (e *BodyExpr) IsArrayType() bool

func (*BodyExpr) Pos 

func (e *BodyExpr) Pos() token.Position

type BodyStmt 

type BodyStmt struct {
	LParen *TokenNode
	Body   *BodyExpr
	RParen *TokenNode
}

func (*BodyStmt) CommentGroup 

func (b *BodyStmt) CommentGroup() (head, leading CommentGroup)

func (*BodyStmt) End 

func (b *BodyStmt) End() token.Position

func (*BodyStmt) Format 

func (b *BodyStmt) Format(...string) string

func (*BodyStmt) HasHeadCommentGroup 

func (b *BodyStmt) HasHeadCommentGroup() bool

func (*BodyStmt) HasLeadingCommentGroup 

func (b *BodyStmt) HasLeadingCommentGroup() bool

func (*BodyStmt) Pos 

func (b *BodyStmt) Pos() token.Position

type CommentGroup 

type CommentGroup []*CommentStmt

CommentGroup represents a list of comments.

func (CommentGroup) Join 

func (cg CommentGroup) Join(sep string) string

Join joins the comments with the given separator.

func (CommentGroup) List 

func (cg CommentGroup) List() []string

List returns the list of comments.

func (CommentGroup) String 

func (cg CommentGroup) String() string

String joins and returns the comment text.

func (CommentGroup) Valid 

func (cg CommentGroup) Valid() bool

Valid returns true if the comment is valid.

type CommentStmt 

type CommentStmt struct {
	// Comment is the comment token.
	Comment token.Token
}

CommentStmt represents a comment statement.

func (*CommentStmt) CommentGroup 

func (c *CommentStmt) CommentGroup() (head, leading CommentGroup)

func (*CommentStmt) End 

func (c *CommentStmt) End() token.Position

func (*CommentStmt) Format 

func (c *CommentStmt) Format(prefix ...string) string

func (*CommentStmt) HasHeadCommentGroup 

func (c *CommentStmt) HasHeadCommentGroup() bool

func (*CommentStmt) HasLeadingCommentGroup 

func (c *CommentStmt) HasLeadingCommentGroup() bool

func (*CommentStmt) Pos 

func (c *CommentStmt) Pos() token.Position

type DataType 

type DataType interface {
	Expr

	// CanEqual returns true if the data type can be equal.
	CanEqual() bool
	// ContainsStruct returns true if the data type contains struct.
	ContainsStruct() bool
	// RawText returns the raw text of the data type.
	RawText() string
	// contains filtered or unexported methods
}

DataType represents the data type.

type ElemExpr 

type ElemExpr struct {
	// Name is the field element name.
	Name []*TokenNode
	// DataType is the field data type.
	DataType DataType
	// Tag is the field tag.
	Tag *TokenNode
}

ElemExpr is the element expression.

func (*ElemExpr) CommentGroup 

func (e *ElemExpr) CommentGroup() (head, leading CommentGroup)

func (*ElemExpr) End 

func (e *ElemExpr) End() token.Position

func (*ElemExpr) Format 

func (e *ElemExpr) Format(prefix ...string) string

func (*ElemExpr) HasHeadCommentGroup 

func (e *ElemExpr) HasHeadCommentGroup() bool

func (*ElemExpr) HasLeadingCommentGroup 

func (e *ElemExpr) HasLeadingCommentGroup() bool

func (*ElemExpr) IsAnonymous 

func (e *ElemExpr) IsAnonymous() bool

IsAnonymous returns true if the element is anonymous.

func (*ElemExpr) Pos 

func (e *ElemExpr) Pos() token.Position

type ElemExprList 

type ElemExprList []*ElemExpr

ElemExprList is the element expression list.

type Expr 

type Expr interface {
	Node
	// contains filtered or unexported methods
}

Expr represents an expression in the AST.

type FieldFilter 

type FieldFilter func(name string, value reflect.Value) bool

A FieldFilter may be provided to Fprint to control the output.

type ImportGroupStmt 

type ImportGroupStmt struct {
	// Import is the import token.
	Import *TokenNode
	// LParen is the left parenthesis token.
	LParen *TokenNode
	// Values is the import values.
	Values []*TokenNode
	// RParen is the right parenthesis token.
	RParen *TokenNode
}

func (*ImportGroupStmt) CommentGroup 

func (i *ImportGroupStmt) CommentGroup() (head, leading CommentGroup)

func (*ImportGroupStmt) End 

func (i *ImportGroupStmt) End() token.Position

func (*ImportGroupStmt) Format 

func (i *ImportGroupStmt) Format(prefix ...string) string

func (*ImportGroupStmt) HasHeadCommentGroup 

func (i *ImportGroupStmt) HasHeadCommentGroup() bool

func (*ImportGroupStmt) HasLeadingCommentGroup 

func (i *ImportGroupStmt) HasLeadingCommentGroup() bool

func (*ImportGroupStmt) Pos 

func (i *ImportGroupStmt) Pos() token.Position

type ImportLiteralStmt 

type ImportLiteralStmt struct {
	// Import is the import token.
	Import *TokenNode
	// Value is the import value.
	Value *TokenNode
}

ImportLiteralStmt represents an import literal statement.

func (*ImportLiteralStmt) CommentGroup 

func (i *ImportLiteralStmt) CommentGroup() (head, leading CommentGroup)

func (*ImportLiteralStmt) End 

func (i *ImportLiteralStmt) End() token.Position

func (*ImportLiteralStmt) Format 

func (i *ImportLiteralStmt) Format(prefix ...string) (result string)

func (*ImportLiteralStmt) HasHeadCommentGroup 

func (i *ImportLiteralStmt) HasHeadCommentGroup() bool

func (*ImportLiteralStmt) HasLeadingCommentGroup 

func (i *ImportLiteralStmt) HasLeadingCommentGroup() bool

func (*ImportLiteralStmt) Pos 

func (i *ImportLiteralStmt) Pos() token.Position

type ImportStmt 

type ImportStmt interface {
	Stmt
	// contains filtered or unexported methods
}

ImportStmt represents an import statement.

type InfoStmt 

type InfoStmt struct {
	// Info is the info keyword.
	Info *TokenNode
	// LParen is the left parenthesis.
	LParen *TokenNode
	// Values is the info values.
	Values []*KVExpr
	// RParen is the right parenthesis.
	RParen *TokenNode
}

InfoStmt is the info statement.

func (*InfoStmt) CommentGroup 

func (i *InfoStmt) CommentGroup() (head, leading CommentGroup)

func (*InfoStmt) End 

func (i *InfoStmt) End() token.Position

func (*InfoStmt) Format 

func (i *InfoStmt) Format(prefix ...string) string

func (*InfoStmt) HasHeadCommentGroup 

func (i *InfoStmt) HasHeadCommentGroup() bool

func (*InfoStmt) HasLeadingCommentGroup 

func (i *InfoStmt) HasLeadingCommentGroup() bool

func (*InfoStmt) Pos 

func (i *InfoStmt) Pos() token.Position

type InterfaceDataType 

type InterfaceDataType struct {
	// Interface is the interface token node.
	Interface *TokenNode
	// contains filtered or unexported fields
}

InterfaceDataType is the interface data type.

func (*InterfaceDataType) CanEqual 

func (t *InterfaceDataType) CanEqual() bool

func (*InterfaceDataType) CommentGroup 

func (t *InterfaceDataType) CommentGroup() (head, leading CommentGroup)

func (*InterfaceDataType) ContainsStruct 

func (t *InterfaceDataType) ContainsStruct() bool

func (*InterfaceDataType) End 

func (t *InterfaceDataType) End() token.Position

func (*InterfaceDataType) Format 

func (t *InterfaceDataType) Format(prefix ...string) string

func (*InterfaceDataType) HasHeadCommentGroup 

func (t *InterfaceDataType) HasHeadCommentGroup() bool

func (*InterfaceDataType) HasLeadingCommentGroup 

func (t *InterfaceDataType) HasLeadingCommentGroup() bool

func (*InterfaceDataType) Pos 

func (t *InterfaceDataType) Pos() token.Position

func (*InterfaceDataType) RawText 

func (t *InterfaceDataType) RawText() string

type KVExpr 

type KVExpr struct {
	// Key is the key of the key value expression.
	Key *TokenNode
	// Colon is the colon of the key value expression.
	Colon *TokenNode
	// Value is the value of the key value expression.
	Value *TokenNode
}

KVExpr is a key value expression.

func (*KVExpr) CommentGroup 

func (i *KVExpr) CommentGroup() (head, leading CommentGroup)

func (*KVExpr) End 

func (i *KVExpr) End() token.Position

func (*KVExpr) Format 

func (i *KVExpr) Format(prefix ...string) string

func (*KVExpr) HasHeadCommentGroup 

func (i *KVExpr) HasHeadCommentGroup() bool

func (*KVExpr) HasLeadingCommentGroup 

func (i *KVExpr) HasLeadingCommentGroup() bool

func (*KVExpr) Pos 

func (i *KVExpr) Pos() token.Position

type MapDataType 

type MapDataType struct {
	// Map is the map token node.
	Map *TokenNode
	// Lbrack is the left bracket token node.
	LBrack *TokenNode
	// Key is the map key data type.
	Key DataType
	// Rbrack is the right bracket token node.
	RBrack *TokenNode
	// Value is the map value data type.
	Value DataType
	// contains filtered or unexported fields
}

MapDataType is the map data type.

func (*MapDataType) CanEqual 

func (t *MapDataType) CanEqual() bool

func (*MapDataType) CommentGroup 

func (t *MapDataType) CommentGroup() (head, leading CommentGroup)

func (*MapDataType) ContainsStruct 

func (t *MapDataType) ContainsStruct() bool

func (*MapDataType) End 

func (t *MapDataType) End() token.Position

func (*MapDataType) Format 

func (t *MapDataType) Format(prefix ...string) string

func (*MapDataType) HasHeadCommentGroup 

func (t *MapDataType) HasHeadCommentGroup() bool

func (*MapDataType) HasLeadingCommentGroup 

func (t *MapDataType) HasLeadingCommentGroup() bool

func (*MapDataType) Pos 

func (t *MapDataType) Pos() token.Position

func (*MapDataType) RawText 

func (t *MapDataType) RawText() string

type Node 

type Node interface {
	// Pos returns the position of the first character belonging to the node.
	Pos() token.Position
	// End returns the position of the first character immediately after the node.
	End() token.Position
	// Format returns the node's text after format.
	Format(...string) string
	// HasHeadCommentGroup returns true if the node has head comment group.
	HasHeadCommentGroup() bool
	// HasLeadingCommentGroup returns true if the node has leading comment group.
	HasLeadingCommentGroup() bool
	// CommentGroup returns the node's head comment group and leading comment group.
	CommentGroup() (head, leading CommentGroup)
}

Node represents a node in the AST.

type Option 

type Option func(o *option)

type PathExpr 

type PathExpr struct {
	Value *TokenNode
}

func (*PathExpr) CommentGroup 

func (p *PathExpr) CommentGroup() (head, leading CommentGroup)

func (*PathExpr) End 

func (p *PathExpr) End() token.Position

func (*PathExpr) Format 

func (p *PathExpr) Format(prefix ...string) string

func (*PathExpr) HasHeadCommentGroup 

func (p *PathExpr) HasHeadCommentGroup() bool

func (*PathExpr) HasLeadingCommentGroup 

func (p *PathExpr) HasLeadingCommentGroup() bool

func (*PathExpr) Pos 

func (p *PathExpr) Pos() token.Position

type PointerDataType 

type PointerDataType struct {
	// Star is the star token node.
	Star *TokenNode
	// DataType is the pointer data type.
	DataType DataType
	// contains filtered or unexported fields
}

PointerDataType is the pointer data type.

func (*PointerDataType) CanEqual 

func (t *PointerDataType) CanEqual() bool

func (*PointerDataType) CommentGroup 

func (t *PointerDataType) CommentGroup() (head, leading CommentGroup)

func (*PointerDataType) ContainsStruct 

func (t *PointerDataType) ContainsStruct() bool

func (*PointerDataType) End 

func (t *PointerDataType) End() token.Position

func (*PointerDataType) Format 

func (t *PointerDataType) Format(prefix ...string) string

func (*PointerDataType) HasHeadCommentGroup 

func (t *PointerDataType) HasHeadCommentGroup() bool

func (*PointerDataType) HasLeadingCommentGroup 

func (t *PointerDataType) HasLeadingCommentGroup() bool

func (*PointerDataType) Pos 

func (t *PointerDataType) Pos() token.Position

func (*PointerDataType) RawText 

func (t *PointerDataType) RawText() string

type RouteStmt 

type RouteStmt struct {
	Method   *TokenNode
	Path     *PathExpr
	Request  *BodyStmt
	Returns  *TokenNode
	Response *BodyStmt
}

func (*RouteStmt) CommentGroup 

func (r *RouteStmt) CommentGroup() (head, leading CommentGroup)

func (*RouteStmt) End 

func (r *RouteStmt) End() token.Position

func (*RouteStmt) Format 

func (r *RouteStmt) Format(prefix ...string) string

func (*RouteStmt) HasHeadCommentGroup 

func (r *RouteStmt) HasHeadCommentGroup() bool

func (*RouteStmt) HasLeadingCommentGroup 

func (r *RouteStmt) HasLeadingCommentGroup() bool

func (*RouteStmt) Pos 

func (r *RouteStmt) Pos() token.Position

type ServiceItemStmt 

type ServiceItemStmt struct {
	AtDoc     AtDocStmt
	AtHandler *AtHandlerStmt
	Route     *RouteStmt
}

func (*ServiceItemStmt) CommentGroup 

func (s *ServiceItemStmt) CommentGroup() (head, leading CommentGroup)

func (*ServiceItemStmt) End 

func (s *ServiceItemStmt) End() token.Position

func (*ServiceItemStmt) Format 

func (s *ServiceItemStmt) Format(prefix ...string) string

func (*ServiceItemStmt) HasHeadCommentGroup 

func (s *ServiceItemStmt) HasHeadCommentGroup() bool

func (*ServiceItemStmt) HasLeadingCommentGroup 

func (s *ServiceItemStmt) HasLeadingCommentGroup() bool

func (*ServiceItemStmt) Pos 

func (s *ServiceItemStmt) Pos() token.Position

type ServiceNameExpr 

type ServiceNameExpr struct {
	Name *TokenNode
}

func (*ServiceNameExpr) CommentGroup 

func (s *ServiceNameExpr) CommentGroup() (head, leading CommentGroup)

func (*ServiceNameExpr) End 

func (s *ServiceNameExpr) End() token.Position

func (*ServiceNameExpr) Format 

func (s *ServiceNameExpr) Format(...string) string

func (*ServiceNameExpr) HasHeadCommentGroup 

func (s *ServiceNameExpr) HasHeadCommentGroup() bool

func (*ServiceNameExpr) HasLeadingCommentGroup 

func (s *ServiceNameExpr) HasLeadingCommentGroup() bool

func (*ServiceNameExpr) Pos 

func (s *ServiceNameExpr) Pos() token.Position

type ServiceStmt 

type ServiceStmt struct {
	AtServerStmt *AtServerStmt
	Service      *TokenNode
	Name         *ServiceNameExpr
	LBrace       *TokenNode
	Routes       []*ServiceItemStmt
	RBrace       *TokenNode
}

func (*ServiceStmt) CommentGroup 

func (s *ServiceStmt) CommentGroup() (head, leading CommentGroup)

func (*ServiceStmt) End 

func (s *ServiceStmt) End() token.Position

func (*ServiceStmt) Format 

func (s *ServiceStmt) Format(prefix ...string) string

func (*ServiceStmt) HasHeadCommentGroup 

func (s *ServiceStmt) HasHeadCommentGroup() bool

func (*ServiceStmt) HasLeadingCommentGroup 

func (s *ServiceStmt) HasLeadingCommentGroup() bool

func (*ServiceStmt) Pos 

func (s *ServiceStmt) Pos() token.Position

type SliceDataType 

type SliceDataType struct {
	// Lbrack is the left bracket token node.
	LBrack *TokenNode
	// Rbrack is the right bracket token node.
	RBrack *TokenNode
	// DataType is the slice data type.
	DataType DataType
	// contains filtered or unexported fields
}

SliceDataType is the slice data type.

func (*SliceDataType) CanEqual 

func (t *SliceDataType) CanEqual() bool

func (*SliceDataType) CommentGroup 

func (t *SliceDataType) CommentGroup() (head, leading CommentGroup)

func (*SliceDataType) ContainsStruct 

func (t *SliceDataType) ContainsStruct() bool

func (*SliceDataType) End 

func (t *SliceDataType) End() token.Position

func (*SliceDataType) Format 

func (t *SliceDataType) Format(prefix ...string) string

func (*SliceDataType) HasHeadCommentGroup 

func (t *SliceDataType) HasHeadCommentGroup() bool

func (*SliceDataType) HasLeadingCommentGroup 

func (t *SliceDataType) HasLeadingCommentGroup() bool

func (*SliceDataType) Pos 

func (t *SliceDataType) Pos() token.Position

func (*SliceDataType) RawText 

func (t *SliceDataType) RawText() string

type Stmt 

type Stmt interface {
	Node
	// contains filtered or unexported methods
}

Stmt represents a statement in the AST.

type StructDataType 

type StructDataType struct {
	// Lbrace is the left brace token node.
	LBrace *TokenNode
	// Elements is the structure elements.
	Elements ElemExprList
	// Rbrace is the right brace token node.
	RBrace *TokenNode
	// contains filtered or unexported fields
}

StructDataType is the structure data type.

func (*StructDataType) CanEqual 

func (t *StructDataType) CanEqual() bool

func (*StructDataType) CommentGroup 

func (t *StructDataType) CommentGroup() (head, leading CommentGroup)

func (*StructDataType) ContainsStruct 

func (t *StructDataType) ContainsStruct() bool

func (*StructDataType) End 

func (t *StructDataType) End() token.Position

func (*StructDataType) Format 

func (t *StructDataType) Format(prefix ...string) string

func (*StructDataType) HasHeadCommentGroup 

func (t *StructDataType) HasHeadCommentGroup() bool

func (*StructDataType) HasLeadingCommentGroup 

func (t *StructDataType) HasLeadingCommentGroup() bool

func (*StructDataType) Pos 

func (t *StructDataType) Pos() token.Position

func (*StructDataType) RawText 

func (t *StructDataType) RawText() string

type SyntaxStmt 

type SyntaxStmt struct {
	// Syntax is the syntax token.
	Syntax *TokenNode
	// Assign is the assign token.
	Assign *TokenNode
	// Value is the syntax value.
	Value *TokenNode
}

SyntaxStmt represents a syntax statement.

func (*SyntaxStmt) CommentGroup 

func (s *SyntaxStmt) CommentGroup() (head, leading CommentGroup)

func (*SyntaxStmt) End 

func (s *SyntaxStmt) End() token.Position

func (*SyntaxStmt) Format 

func (s *SyntaxStmt) Format(prefix ...string) string

func (*SyntaxStmt) HasHeadCommentGroup 

func (s *SyntaxStmt) HasHeadCommentGroup() bool

func (*SyntaxStmt) HasLeadingCommentGroup 

func (s *SyntaxStmt) HasLeadingCommentGroup() bool

func (*SyntaxStmt) Pos 

func (s *SyntaxStmt) Pos() token.Position

type TokenNode 

type TokenNode struct {
	// HeadCommentGroup are the comments in prev lines.
	HeadCommentGroup CommentGroup
	// Token is the token of the node.
	Token token.Token
	// LeadingCommentGroup are the tail comments in same line.
	LeadingCommentGroup CommentGroup
	// contains filtered or unexported fields
}

TokenNode represents a token node in the AST.

func NewTokenNode 

func NewTokenNode(tok token.Token) *TokenNode

NewTokenNode creates and returns a new TokenNode.

func (*TokenNode) CommentGroup 

func (t *TokenNode) CommentGroup() (head, leading CommentGroup)

func (*TokenNode) End 

func (t *TokenNode) End() token.Position

func (*TokenNode) Equal 

func (t *TokenNode) Equal(s string) bool

Equal returns true if the node's text is equal to the given text.

func (*TokenNode) Format 

func (t *TokenNode) Format(prefix ...string) string

func (*TokenNode) HasHeadCommentGroup 

func (t *TokenNode) HasHeadCommentGroup() bool

func (*TokenNode) HasLeadingCommentGroup 

func (t *TokenNode) HasLeadingCommentGroup() bool

func (*TokenNode) IsEmptyString 

func (t *TokenNode) IsEmptyString() bool

IsEmptyString returns true if the node is empty string.

func (*TokenNode) IsZeroString 

func (t *TokenNode) IsZeroString() bool

IsZeroString returns true if the node is zero string.

func (*TokenNode) PeekFirstHeadComment 

func (t *TokenNode) PeekFirstHeadComment() *CommentStmt

PeekFirstHeadComment returns the first head comment of the node.

func (*TokenNode) PeekFirstLeadingComment 

func (t *TokenNode) PeekFirstLeadingComment() *CommentStmt

PeekFirstLeadingComment returns the first leading comment of the node.

func (*TokenNode) Pos 

func (t *TokenNode) Pos() token.Position

func (*TokenNode) RawText 

func (t *TokenNode) RawText() string

RawText returns the node's raw text.

func (*TokenNode) SetLeadingCommentGroup 

func (t *TokenNode) SetLeadingCommentGroup(cg CommentGroup)

SetLeadingCommentGroup sets the node's leading comment group.

type TypeExpr 

type TypeExpr struct {
	// Name is the type name.
	Name *TokenNode
	// Assign is the assign operator.
	Assign *TokenNode
	// DataType is the data type.
	DataType DataType
}

TypeExpr is the type expression.

func (*TypeExpr) CommentGroup 

func (e *TypeExpr) CommentGroup() (head, leading CommentGroup)

func (*TypeExpr) End 

func (e *TypeExpr) End() token.Position

func (*TypeExpr) Format 

func (e *TypeExpr) Format(prefix ...string) string

func (*TypeExpr) HasHeadCommentGroup 

func (e *TypeExpr) HasHeadCommentGroup() bool

func (*TypeExpr) HasLeadingCommentGroup 

func (e *TypeExpr) HasLeadingCommentGroup() bool

func (*TypeExpr) Pos 

func (e *TypeExpr) Pos() token.Position

type TypeGroupStmt 

type TypeGroupStmt struct {
	// Type is the type keyword.
	Type *TokenNode
	// LParen is the left parenthesis.
	LParen *TokenNode
	// ExprList is the type expression list.
	ExprList []*TypeExpr
	// RParen is the right parenthesis.
	RParen *TokenNode
}

TypeGroupStmt is the type statement for type group.

func (*TypeGroupStmt) CommentGroup 

func (t *TypeGroupStmt) CommentGroup() (head, leading CommentGroup)

func (*TypeGroupStmt) End 

func (t *TypeGroupStmt) End() token.Position

func (*TypeGroupStmt) Format 

func (t *TypeGroupStmt) Format(prefix ...string) string

func (*TypeGroupStmt) HasHeadCommentGroup 

func (t *TypeGroupStmt) HasHeadCommentGroup() bool

func (*TypeGroupStmt) HasLeadingCommentGroup 

func (t *TypeGroupStmt) HasLeadingCommentGroup() bool

func (*TypeGroupStmt) Pos 

func (t *TypeGroupStmt) Pos() token.Position

type TypeLiteralStmt 

type TypeLiteralStmt struct {
	// Type is the type keyword.
	Type *TokenNode
	// Expr is the type expression.
	Expr *TypeExpr
}

TypeLiteralStmt is the type statement for type literal.

func (*TypeLiteralStmt) CommentGroup 

func (t *TypeLiteralStmt) CommentGroup() (head, leading CommentGroup)

func (*TypeLiteralStmt) End 

func (t *TypeLiteralStmt) End() token.Position

func (*TypeLiteralStmt) Format 

func (t *TypeLiteralStmt) Format(prefix ...string) string

func (*TypeLiteralStmt) HasHeadCommentGroup 

func (t *TypeLiteralStmt) HasHeadCommentGroup() bool

func (*TypeLiteralStmt) HasLeadingCommentGroup 

func (t *TypeLiteralStmt) HasLeadingCommentGroup() bool

func (*TypeLiteralStmt) Pos 

func (t *TypeLiteralStmt) Pos() token.Position

type TypeStmt 

type TypeStmt interface {
	Stmt
	// contains filtered or unexported methods
}

TypeStmt is the interface for type statement.

type WriteMode 

type WriteMode int

WriteMode is the mode of writing. 

const (

	// ModeAuto is the default mode, which will automatically
	//determine whether to write a newline.
	ModeAuto WriteMode

	// ModeExpectInSameLine will write in the same line.
	ModeExpectInSameLine
)

type Writer 

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

Writer is the writer of ast.

func NewBufferWriter 

func NewBufferWriter() *Writer

NewBufferWriter returns a new buffer Writer.

func NewWriter 

func NewWriter(writer io.Writer) *Writer

NewWriter returns a new Writer.

func (*Writer) Flush 

func (w *Writer) Flush()

Flush flushes the buffer.

func (*Writer) NewLine 

func (w *Writer) NewLine()

NewLine writes a new line.

func (*Writer) String 

func (w *Writer) String() string

String returns the string of the buffer.

func (*Writer) Write 

func (w *Writer) Write(opts ...Option)

Write writes the node.

func (*Writer) WriteText 

func (w *Writer) WriteText(text string)

WriteText writes the text.

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