WhenClause class abstract
A guard in a pattern-based case
in a switch
statement, switch
expression, if
statement, or if
element.
switchCase ::= 'when' Expression
Clients may not extend, implement or mix-in this class.
- Implemented types
Constructors
Properties
- beginToken → Token
-
Return the first token included in this node's source range.
no setterinherited
-
childEntities
→ Iterable<
SyntacticEntity> -
Return 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
- end → int
-
Return the offset of the character immediately following the last
character of this node's source range.
no setterinherited
- endToken → Token
-
Return the last token included in this node's source range.
no setterinherited
- expression → Expression
-
Return the condition that is evaluated when the
pattern
matches, that must evaluate totrue
in order for the expression to be executed.no setter - hashCode → int
-
The hash code for this object.
no setterinherited
- isSynthetic → bool
-
Return
true
if this node is a synthetic node.no setterinherited - length → int
-
Return the number of characters in the syntactic entity's source range.
no setterinherited
- offset → int
-
Return the offset from the beginning of the file to the first character in
the syntactic entity.
no setterinherited
- parent → AstNode?
-
Return this node's parent node, or
null
if this node is the root of an AST structure.no setterinherited - root → AstNode
-
Return 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
- whenKeyword → Token
-
Return the
when
keyword.no setter
Methods
-
accept<
E> (AstVisitor< E> visitor) → E? -
Use the given
visitor
to visit this node.inherited -
findPrevious(
Token target) → Token? -
Return the token before
target
ornull
if it cannot be found.inherited -
getProperty<
E> (String name) → E? -
Return the value of the property with the given
name
, ornull
if this node does not 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
. If the value isnull
, the property will effectively be removed.inherited -
thisOrAncestorMatching<
E extends AstNode> (bool predicate(AstNode)) → E? -
Return either this node or the most immediate ancestor of this node for
which the
predicate
returnstrue
, ornull
if there is no such node.inherited -
thisOrAncestorOfType<
E extends AstNode> () → E? -
Return either this node or the most immediate ancestor of this node that
has the given type, or
null
if there is no such node.inherited -
toSource(
) → String -
Return 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