ParameterElement class abstract

A parameter defined within an executable element.

Clients may not extend, implement or mix-in this class.

Implemented types
Implementers

Constructors

ParameterElement()

Properties

children → List<Element>
A list of this element's children.
no setterinherited
context → AnalysisContext
The analysis context in which this element is defined.
no setterinherited
declaration → ParameterElement
The declaration of this element.
no setteroverride
defaultValueCode → String?
The code of the default value, or null if no default value.
no setter
displayName → String
The display name of this element, possibly the empty string if the element does not have a name.
no setterinherited
documentationComment → String?
The content of the documentation comment (including delimiters) for this element, or null if this element does not or cannot have documentation.
no setterinherited
element → FormalParameterElement
no setter
enclosingElement3 → Element?
The element that either physically or logically encloses this element.
no setterinherited
hasAlwaysThrows → bool
Whether the element has an annotation of the form @alwaysThrows.
no setterinherited
hasDefaultValue → bool
Whether the parameter has a default value.
no setter
hasDeprecated → bool
Whether the element has an annotation of the form @deprecated or @Deprecated('..').
no setterinherited
hasDoNotStore → bool
Whether the element has an annotation of the form @doNotStore.
no setterinherited
hasDoNotSubmit → bool
Whether the element has an annotation of the form @doNotSubmit.
no setterinherited
hasFactory → bool
Whether the element has an annotation of the form @factory.
no setterinherited
hashCode → int
The hash code for this object.
no setterinherited
hasImmutable → bool
Whether the element has an annotation of the form @immutable.
no setterinherited
hasImplicitType → bool
Whether the variable element did not have an explicit type specified for it.
no setterinherited
hasInternal → bool
Whether the element has an annotation of the form @internal.
no setterinherited
hasIsTest → bool
Whether the element has an annotation of the form @isTest.
no setterinherited
hasIsTestGroup → bool
Whether the element has an annotation of the form @isTestGroup.
no setterinherited
hasJS → bool
Whether the element has an annotation of the form @JS(..).
no setterinherited
hasLiteral → bool
Whether the element has an annotation of the form @literal.
no setterinherited
hasMustBeConst → bool
Whether the element has an annotation of the form @mustBeConst.
no setterinherited
hasMustBeOverridden → bool
Whether the element has an annotation of the form @mustBeOverridden.
no setterinherited
hasMustCallSuper → bool
Whether the element has an annotation of the form @mustCallSuper.
no setterinherited
hasNonVirtual → bool
Whether the element has an annotation of the form @nonVirtual.
no setterinherited
hasOptionalTypeArgs → bool
Whether the element has an annotation of the form @optionalTypeArgs.
no setterinherited
hasOverride → bool
Whether the element has an annotation of the form @override.
no setterinherited
hasProtected → bool
Whether the element has an annotation of the form @protected.
no setterinherited
hasRedeclare → bool
Whether the element has an annotation of the form @redeclare.
no setterinherited
hasReopen → bool
Whether the element has an annotation of the form @reopen.
no setterinherited
hasRequired → bool
Whether the element has an annotation of the form @required.
no setterinherited
hasSealed → bool
Whether the element has an annotation of the form @sealed.
no setterinherited
hasUseResult → bool
Whether the element has an annotation of the form @useResult or @UseResult('..').
no setterinherited
hasVisibleForOverriding → bool
Whether the element has an annotation of the form @visibleForOverriding.
no setterinherited
hasVisibleForTemplate → bool
Whether the element has an annotation of the form @visibleForTemplate.
no setterinherited
hasVisibleForTesting → bool
Whether the element has an annotation of the form @visibleForTesting.
no setterinherited
hasVisibleOutsideTemplate → bool
Whether the element has an annotation of the form @visibleOutsideTemplate.
no setterinherited
id → int
The unique integer identifier of this element.
no setterinherited
isConst → bool
Whether the variable was declared with the 'const' modifier.
no setterinherited
isConstantEvaluated → bool
Return whether this constant is evaluated.
no setterinherited
isCovariant → bool
Whether the parameter is covariant, meaning it is allowed to have a narrower type in an override.
no setter
isFinal → bool
Whether the variable was declared with the 'final' modifier.
no setterinherited
isInitializingFormal → bool
Whether the parameter is an initializing formal parameter.
no setter
isLate → bool
Whether the variable uses late evaluation semantics.
no setterinherited
isNamed → bool
Whether the parameter is a named parameter.
no setter
isOptional → bool
Whether the parameter is an optional parameter.
no setter
isOptionalNamed → bool
Whether the parameter is both an optional and named parameter.
no setter
isOptionalPositional → bool
Whether the parameter is both an optional and positional parameter.
no setter
isPositional → bool
Whether the parameter is a positional parameter.
no setter
isPrivate → bool
Whether the element is private.
no setterinherited
isPublic → bool
Whether the element is public.
no setterinherited
isRequired → bool
Whether the parameter is either a required positional parameter, or a named parameter with the required keyword.
no setter
isRequiredNamed → bool
Whether the parameter is both a required and named parameter.
no setter
isRequiredPositional → bool
Whether the parameter is both a required and positional parameter.
no setter
isStatic → bool
Whether the element is a static variable, as per section 8 of the Dart Language Specification:
no setterinherited
isSuperFormal → bool
Whether the parameter is a super formal parameter.
no setter
isSynthetic → bool
Whether the element is synthetic.
no setterinherited
kind → ElementKind
The kind of element that this is.
no setterinherited
library → LibraryElement?
Library that contains this element.
no setterinherited
library2 → LibraryElement2?
The library with this constant.
no setterinherited
librarySource → Source?
If this target is associated with a library, return the source of the library's defining compilation unit; otherwise return null.
no setterinherited
location → ElementLocation?
The location of this element in the element model.
no setterinherited
metadata → List<ElementAnnotation>
All of the metadata associated with this element.
no setterinherited
name → String
The name of this element, or null if this element does not have a name.
no setteroverride
nameLength → int
The length of the name of this element in the file that contains the declaration of this element, or 0 if this element does not have a name.
no setterinherited
nameOffset → int
The offset of the name of this element in the file that contains the declaration of this element, or -1 if this element is synthetic, does not have a name, or otherwise does not have an offset.
no setterinherited
nonSynthetic → Element
The non-synthetic element that caused this element to be created.
no setterinherited
parameterKind → ParameterKind
The kind of this parameter.
no setter
parameters → List<ParameterElement>
The parameters defined by this parameter.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
session → AnalysisSession?
The analysis session in which this element is defined.
no setterinherited
sinceSdkVersion → Version?
The version where this SDK API was added.
no setterinherited
source → Source?
Return the source associated with this target, or null if this target is not associated with a source.
no setterinherited
type → DartType
The declared type of this variable.
no setterinherited
typeParameters → List<TypeParameterElement>
The type parameters defined by this parameter.
no setter

Methods

accept<T>(ElementVisitor<T> visitor) → T?
Uses the given visitor to visit this element.
inherited
appendToWithoutDelimiters(StringBuffer buffer, {bool withNullability = true}) → void
Appends the type, name and possibly the default value of this parameter to the given buffer.
computeConstantValue() → DartObject?
Returns a representation of the value of this variable, forcing the value to be computed if it had not previously been computed, or null if either this variable was not declared with the 'const' modifier or if the value of this variable could not be computed because of errors.
inherited
getDisplayString({bool withNullability = true, bool multiline = false}) → String
Returns the presentation of this element as it should appear when presented to users.
inherited
getExtendedDisplayName(String? shortName) → String
Returns a display name for the given element that includes the path to the compilation unit in which the type is defined. If shortName is null then displayName will be used as the name of this element. Otherwise the provided name will be used.
inherited
isAccessibleIn(LibraryElement library) → bool
Whether the element, assuming that it is within scope, is accessible to code in the given library.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
thisOrAncestorMatching<E extends Element>(bool predicate(Element)) → E?
Returns either this element or the most immediate ancestor of this element for which the predicate returns true, or null if there is no such element.
inherited
thisOrAncestorMatching3<E extends Element>(bool predicate(Element)) → E?
Returns either this element or the most immediate ancestor of this element for which the predicate returns true, or null if there is no such element.
inherited
thisOrAncestorOfType<E extends Element>() → E?
Returns either this element or the most immediate ancestor of this element that has the given type, or null if there is no such element.
inherited
thisOrAncestorOfType3<E extends Element>() → E?
Returns either this element or the most immediate ancestor of this element that has the given type, or null if there is no such element.
inherited
toString() → String
A string representation of this object.
inherited
visitChildren(ElementVisitor visitor) → void
Uses the given visitor to visit all of the children of this element. There is no guarantee of the order in which the children will be visited.
inherited

Operators

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