A constructor declaration.
constructorDeclaration ::= constructorSignature FunctionBody? | constructorName formalParameterList ':' 'this' ('.' SimpleIdentifier)? arguments
constructorSignature ::= 'external'? constructorName formalParameterList initializerList? | 'external'? 'factory' factoryName formalParameterList initializerList? | 'external'? 'const' constructorName formalParameterList initializerList?
constructorName ::= SimpleIdentifier ('.' name)?
factoryName ::= Identifier ('.' SimpleIdentifier)?
initializerList ::= ':' ConstructorInitializer (',' ConstructorInitializer)*
- Implemented types
Properties
- augmentKeyword → Token?
-
The
augment
keyword, ornull
if the keyword was absent.no setter - beginToken → Token
-
The first token included in this node's source range.
no setterinherited
- body → FunctionBody
-
The body of the constructor.
no setter
-
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
- constKeyword → Token?
-
The token for the
const
keyword, ornull
if the constructor isn't a const constructor.no setter - declaredElement → ConstructorElement?
-
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 → ConstructorFragment?
-
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
- externalKeyword → Token?
-
The token for the
external
keyword to the given token.no setter - factoryKeyword → Token?
-
The token for the
factory
keyword, ornull
if the constructor isn't a factory constructor.no setter - firstTokenAfterCommentAndMetadata → Token
-
The first token following the comment and metadata.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
-
initializers
→ NodeList<
ConstructorInitializer> -
The initializers associated with the constructor.
no setter
- isSynthetic → bool
-
Whether this node is a synthetic node.
no setterinherited
- length → int
-
Return the number of characters in the syntactic entity's source range.
no setterinherited
-
metadata
→ NodeList<
Annotation> -
The annotations associated with this node.
no setterinherited
- name → Token?
-
The name of the constructor, or
null
if the constructor being declared is unnamed.no setter - offset → int
-
Return the offset from the beginning of the file to the first character in
the syntactic entity.
no setterinherited
- parameters → FormalParameterList
-
The parameters associated with the constructor.
no setter
- parent → AstNode?
-
Returns this node's parent node, or
null
if this node is the root of an AST structure.no setterinherited - period → Token?
-
The token for the period before the constructor name, or
null
if the constructor being declared is unnamed.no setter - redirectedConstructor → ConstructorName?
-
The name of the constructor to which this constructor is redirected, or
null
if this isn't a redirecting factory constructor.no setter - returnType → Identifier
-
The type of object being created.
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
- separator → Token?
-
The token for the separator (colon or equals) before the initializer list
or redirection, or
null
if there are neither initializers nor a redirection.no setter -
sortedCommentAndAnnotations
→ List<
AstNode> -
A list containing the comment and annotations associated with this node,
sorted in lexical order.
no setterinherited
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
, ornull
if it can't be found.inherited -
getProperty<
E> (String name) → E? -
Returns the value of the property with the given
name
, ornull
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 givenvalue
.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
returnstrue
, ornull
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