insertMatch method
Implementation
void insertMatch(Match match) {
SourceNode? root = findElement(roots, (node) => node.accessor == match.paths[0][0]);
if (root == null) {
root = makeNode(null, // parent
match.paths[0][0], // step
match.paths[0].length == 1 ? match : null);
roots.add(root);
}
if (match.paths[0].length > 1) {
root.insertMatch(this, match, 1);
}
}