ExtensionDeclaration class abstract final

The declaration of an extension of a type.

extension ::= 'extension' SimpleIdentifier? TypeParameterList? 'on' TypeAnnotation ShowClause? HideClause? '{' ClassMember* '}'

Implemented types

Properties

augmentKeyword → Token?
The augment keyword, or null if the keyword was absent.
no setter
beginToken → Token
The first token included in this node's source range.
no setterinherited
childEntities → Iterable<SyntacticEntity>
An iterator that can be used to iterate through all the entities (either AST nodes or tokens) that make up the contents of this node, including doc comments but excluding other comments.
no setterinherited
declaredElement → ExtensionElement?
The element associated with this declaration, or null if either this node corresponds to a list of declarations or if the AST structure hasn't been resolved.
no setteroverride
declaredFragment → ExtensionFragment?
The fragment declared by this declaration.
no setter
documentationComment → Comment?
The documentation comment associated with this node, or null if this node doesn't have a documentation comment associated with it.
no setterinherited
end → int
The offset of the character immediately following the last character of this node's source range.
no setterinherited
endToken → Token
The last token included in this node's source range.
no setterinherited
extendedType → TypeAnnotation
The type that is being extended.
no setter
extensionKeyword → Token
The token representing the extension keyword.
no setter
firstTokenAfterCommentAndMetadata → Token
The first token following the comment and metadata.
no setterinherited
hashCode → int
The hash code for this object.
no setterinherited
isSynthetic → bool
Whether this node is a synthetic node.
no setterinherited
leftBracket → Token
The left curly bracket.
no setter
length → int
Return the number of characters in the syntactic entity's source range.
no setterinherited
members → NodeList<ClassMember>
The members being added to the extended class.
no setter
metadata → NodeList<Annotation>
The annotations associated with this node.
no setterinherited
name → Token?
The name of the extension, or null if the extension doesn't have a name.
no setter
offset → int
Return the offset from the beginning of the file to the first character in the syntactic entity.
no setterinherited
onClause → ExtensionOnClause?
The on clause, null if an augmentation.
no setter
onKeyword → Token
The token representing the 'on' keyword.
no setter
parent → AstNode?
Returns this node's parent node, or null if this node is the root of an AST structure.
no setterinherited
rightBracket → Token
The right curly bracket.
no setter
root → AstNode
The node at the root of this node's AST structure.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
sortedCommentAndAnnotations → List<AstNode>
A list containing the comment and annotations associated with this node, sorted in lexical order.
no setterinherited
typeKeyword → Token?
The token representing the type keyword.
no setter
typeParameters → TypeParameterList?
The type parameters for the extension, or null if the extension doesn't have any type parameters.
no setter

Methods

accept<E>(AstVisitor<E> visitor) → E?
Use the given visitor to visit this node.
inherited
findPrevious(Token target) → Token?
Returns the token before target, or null if it can't be found.
inherited
getProperty<E>(String name) → E?
Returns the value of the property with the given name, or null if this node doesn't have a property with the given name.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
setProperty(String name, Object? value) → void
Set the value of the property with the given name to the given value.
inherited
thisOrAncestorMatching<E extends AstNode>(bool predicate(AstNode)) → E?
Returns either this node or the most immediate ancestor of this node for which the predicate returns true, or null if there's no such node.
inherited
thisOrAncestorOfType<E extends AstNode>() → E?
Returns either this node or the most immediate ancestor of this node that has the given type, or null if there's no such node.
inherited
toSource() → String
Returns a textual description of this node in a form approximating valid source.
inherited
toString() → String
A string representation of this object.
inherited
visitChildren(AstVisitor visitor) → void
Use the given visitor to visit all of the children of this node.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited