SnapshotIndex class

Precomputed lookups over a SemanticsSnapshot that rules and the engine share.

Building this once per audit avoids every rule re-walking the tree to find a node's parent or its structural path.

Constructors

SnapshotIndex.build(SemanticsSnapshot snapshot)
Builds an index for snapshot by walking the tree once.
factory

Properties

hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
parentOf(SemanticsNodeData node) → SemanticsNodeData?
The parent of node, or null if it is the root or absent from the index.
pathOf(SemanticsNodeData node) → String
The structural path of node from the root, e.g. node/button:0/text:1.
toString() → String
A string representation of this object.
inherited

Operators

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