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ast.go
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ast.go
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package ast
type Node interface {
NodeBase() *Base
}
type Base struct {
Start int // rune
End int // rune
Line int // line number
Comments []string
Errors []*ErrorNode
}
func (b *Base) NodeBase() *Base {
return b
}
// error occurred; value is text of error
type ErrorNode struct {
Base
Message string
}
type Decl interface {
Node
isDecl()
}
// The file root node
type File struct {
Base
Declarations []Decl
}
// interface Foo { ... }
type Interface struct {
Base
Partial bool
Callback bool
Name string
Inherits string
Annotations []*Annotation
Members []InterfaceMember
CustomOps []*CustomOp
Patterns []*Pattern
}
func (*Interface) isDecl() {}
type InterfaceMember interface {
isInterfaceMember()
}
// interface mixin Foo { ... }
type Mixin struct {
Base
Name string
Inherits string
Partial bool
Annotations []*Annotation
Members []MixinMember
CustomOps []*CustomOp
Patterns []*Pattern
}
func (*Mixin) isDecl() {}
type MixinMember interface {
isMixinMember()
}
type Dictionary struct {
Base
Name string
Inherits string
Partial bool
Annotations []*Annotation
Members []*Member
}
func (*Dictionary) isDecl() {}
// [Constructor], []
type Annotation struct {
Base
Name string
Value string // [A=B]
Parameters []*Parameter // [A(X x, Y y)]
Values []string // [A=(a,b,c)]
}
// optional any SomeArg
type Parameter struct {
Base
Type Type
Optional bool
Variadic bool
Name string
Init Literal
Annotations []*Annotation
}
// Window implements ECMA262Globals
type Implementation struct {
Base
Name string
Source string
}
func (*Implementation) isDecl() {}
// Document includes DocumentOrShadowRoot
type Includes struct {
Base
Name string
Source string
}
func (*Includes) isDecl() {}
// readonly attribute something
type Member struct {
Base
Name string
Type Type
Init Literal
Attribute bool
Static bool
Const bool
Readonly bool
Required bool
Specialization string
Parameters []*Parameter
Annotations []*Annotation
}
func (*Member) isInterfaceMember() {}
func (*Member) isMixinMember() {}
type CustomOp struct {
Base
Name string
}
type TypeName struct {
Base
Name string
}
func (*TypeName) isType() {}
type Pattern struct {
Base
Type PatternType
Key Type
Elem Type
ReadOnly bool
}
type PatternType int
const (
Iterable PatternType = iota + 1
AsyncIterable
Maplike
Setlike
)
type Callback struct {
Base
Name string
Return Type
Parameters []*Parameter
}
func (*Callback) isDecl() {}
type Enum struct {
Base
Annotations []*Annotation
Name string
Values []Literal
}
func (*Enum) isDecl() {}
type Typedef struct {
Base
Annotations []*Annotation
Name string
Type Type
}
func (*Typedef) isDecl() {}
type Type interface {
Node
isType()
}
type AnyType struct {
Base
}
func (*AnyType) isType() {}
type SequenceType struct {
Base
Elem Type
}
func (*SequenceType) isType() {}
type RecordType struct {
Base
Key Type
Elem Type
}
func (*RecordType) isType() {}
type ParametrizedType struct {
Base
Name string
Elems []Type
}
func (*ParametrizedType) isType() {}
type UnionType struct {
Base
Types []Type
}
func (*UnionType) isType() {}
type NullableType struct {
Base
Type Type
}
func (*NullableType) isType() {}
type Literal interface {
isLiteral()
}
type BasicLiteral struct {
Base
Value string
}
func (*BasicLiteral) isLiteral() {}
type SequenceLiteral struct {
Base
Elems []Literal
}
func (*SequenceLiteral) isLiteral() {}