AstNode class abstract final

A node in the AST structure for a Dart program.

Implemented types
Implementers

Constructors

AstNode()

Properties

beginToken Token
The first token included in this node's source range.
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 setter
end int
The offset of the character immediately following the last character of this node's source range.
no setteroverride
endToken Token
The last token included in this node's source range.
no setter
hashCode int
The hash code for this object.
no setterinherited
isSynthetic bool
Whether this node is a synthetic node.
no setter
length int
Return the number of characters in the syntactic entity's source range.
no setteroverride
offset int
Return the offset from the beginning of the file to the first character in the syntactic entity.
no setteroverride
parent AstNode?
Returns this node's parent node, or null if this node is the root of an AST structure.
no setter
root AstNode
The node at the root of this node's AST structure.
no setter
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

accept<E>(AstVisitor<E> visitor) → E?
Use the given visitor to visit this node.
findPrevious(Token target) Token?
Returns the token before target, or null if it can't be found.
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.
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.
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.
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.
toSource() String
Returns a textual description of this node in a form approximating valid source.
toString() String
Returns a textual description of this node.
override
visitChildren(AstVisitor visitor) → void
Use the given visitor to visit all of the children of this node.

Operators

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

Static Properties

LEXICAL_ORDER Comparator<AstNode>
A comparator that can be used to sort AST nodes in lexical order.
getter/setter pair