Mercurial > hg > isophonics-drupal-site
view vendor/nikic/php-parser/lib/PhpParser/NodeVisitor.php @ 13:5fb285c0d0e3
Update Drupal core to 8.4.7 via Composer. Security update; I *think* we've
been lucky to get away with this so far, as we don't support self-registration
which seems to be used by the so-called "drupalgeddon 2" attack that 8.4.5
was vulnerable to.
author | Chris Cannam |
---|---|
date | Mon, 23 Apr 2018 09:33:26 +0100 |
parents | 4c8ae668cc8c |
children |
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<?php declare(strict_types=1); namespace PhpParser; interface NodeVisitor { /** * Called once before traversal. * * Return value semantics: * * null: $nodes stays as-is * * otherwise: $nodes is set to the return value * * @param Node[] $nodes Array of nodes * * @return null|Node[] Array of nodes */ public function beforeTraverse(array $nodes); /** * Called when entering a node. * * Return value semantics: * * null * => $node stays as-is * * NodeTraverser::DONT_TRAVERSE_CHILDREN * => Children of $node are not traversed. $node stays as-is * * NodeTraverser::STOP_TRAVERSAL * => Traversal is aborted. $node stays as-is * * otherwise * => $node is set to the return value * * @param Node $node Node * * @return null|int|Node Replacement node (or special return value) */ public function enterNode(Node $node); /** * Called when leaving a node. * * Return value semantics: * * null * => $node stays as-is * * NodeTraverser::REMOVE_NODE * => $node is removed from the parent array * * NodeTraverser::STOP_TRAVERSAL * => Traversal is aborted. $node stays as-is * * array (of Nodes) * => The return value is merged into the parent array (at the position of the $node) * * otherwise * => $node is set to the return value * * @param Node $node Node * * @return null|int|Node|Node[] Replacement node (or special return value) */ public function leaveNode(Node $node); /** * Called once after traversal. * * Return value semantics: * * null: $nodes stays as-is * * otherwise: $nodes is set to the return value * * @param Node[] $nodes Array of nodes * * @return null|Node[] Array of nodes */ public function afterTraverse(array $nodes); }