Initial attempt a switch to composer and PHP-8.1 compatibility

1 files changed, 0 insertions, 253 deletions

diff --git a/inc/lib/Twig/NodeVisitor/Optimizer.php b/inc/lib/Twig/NodeVisitor/Optimizer.php
deleted file mode 100644
index c55e40ff..00000000
--- a/inc/lib/Twig/NodeVisitor/Optimizer.php
+++ /dev/null
@@ -1,253 +0,0 @@
-<?php
-
-/*
- * This file is part of Twig.
- *
- * (c) Fabien Potencier
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-/**
- * Twig_NodeVisitor_Optimizer tries to optimizes the AST.
- *
- * This visitor is always the last registered one.
- *
- * You can configure which optimizations you want to activate via the
- * optimizer mode.
- *
- * @final
- *
- * @author Fabien Potencier <fabien@symfony.com>
- */
-class Twig_NodeVisitor_Optimizer extends Twig_BaseNodeVisitor
-{
-    const OPTIMIZE_ALL = -1;
-    const OPTIMIZE_NONE = 0;
-    const OPTIMIZE_FOR = 2;
-    const OPTIMIZE_RAW_FILTER = 4;
-    const OPTIMIZE_VAR_ACCESS = 8;
-
-    protected $loops = array();
-    protected $loopsTargets = array();
-    protected $optimizers;
-    protected $prependedNodes = array();
-    protected $inABody = false;
-
-    /**
-     * @param int $optimizers The optimizer mode
-     */
-    public function __construct($optimizers = -1)
-    {
-        if (!is_int($optimizers) || $optimizers > (self::OPTIMIZE_FOR | self::OPTIMIZE_RAW_FILTER | self::OPTIMIZE_VAR_ACCESS)) {
-            throw new InvalidArgumentException(sprintf('Optimizer mode "%s" is not valid.', $optimizers));
-        }
-
-        $this->optimizers = $optimizers;
-    }
-
-    protected function doEnterNode(Twig_Node $node, Twig_Environment $env)
-    {
-        if (self::OPTIMIZE_FOR === (self::OPTIMIZE_FOR & $this->optimizers)) {
-            $this->enterOptimizeFor($node, $env);
-        }
-
-        if (PHP_VERSION_ID < 50400 && self::OPTIMIZE_VAR_ACCESS === (self::OPTIMIZE_VAR_ACCESS & $this->optimizers) && !$env->isStrictVariables() && !$env->hasExtension('Twig_Extension_Sandbox')) {
-            if ($this->inABody) {
-                if (!$node instanceof Twig_Node_Expression) {
-                    if ('Twig_Node' !== get_class($node)) {
-                        array_unshift($this->prependedNodes, array());
-                    }
-                } else {
-                    $node = $this->optimizeVariables($node, $env);
-                }
-            } elseif ($node instanceof Twig_Node_Body) {
-                $this->inABody = true;
-            }
-        }
-
-        return $node;
-    }
-
-    protected function doLeaveNode(Twig_Node $node, Twig_Environment $env)
-    {
-        $expression = $node instanceof Twig_Node_Expression;
-
-        if (self::OPTIMIZE_FOR === (self::OPTIMIZE_FOR & $this->optimizers)) {
-            $this->leaveOptimizeFor($node, $env);
-        }
-
-        if (self::OPTIMIZE_RAW_FILTER === (self::OPTIMIZE_RAW_FILTER & $this->optimizers)) {
-            $node = $this->optimizeRawFilter($node, $env);
-        }
-
-        $node = $this->optimizePrintNode($node, $env);
-
-        if (self::OPTIMIZE_VAR_ACCESS === (self::OPTIMIZE_VAR_ACCESS & $this->optimizers) && !$env->isStrictVariables() && !$env->hasExtension('Twig_Extension_Sandbox')) {
-            if ($node instanceof Twig_Node_Body) {
-                $this->inABody = false;
-            } elseif ($this->inABody) {
-                if (!$expression && 'Twig_Node' !== get_class($node) && $prependedNodes = array_shift($this->prependedNodes)) {
-                    $nodes = array();
-                    foreach (array_unique($prependedNodes) as $name) {
-                        $nodes[] = new Twig_Node_SetTemp($name, $node->getTemplateLine());
-                    }
-
-                    $nodes[] = $node;
-                    $node = new Twig_Node($nodes);
-                }
-            }
-        }
-
-        return $node;
-    }
-
-    protected function optimizeVariables(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        if ('Twig_Node_Expression_Name' === get_class($node) && $node->isSimple()) {
-            $this->prependedNodes[0][] = $node->getAttribute('name');
-
-            return new Twig_Node_Expression_TempName($node->getAttribute('name'), $node->getTemplateLine());
-        }
-
-        return $node;
-    }
-
-    /**
-     * Optimizes print nodes.
-     *
-     * It replaces:
-     *
-     *   * "echo $this->render(Parent)Block()" with "$this->display(Parent)Block()"
-     *
-     * @return Twig_NodeInterface
-     */
-    protected function optimizePrintNode(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        if (!$node instanceof Twig_Node_Print) {
-            return $node;
-        }
-
-        $exprNode = $node->getNode('expr');
-        if (
-            $exprNode instanceof Twig_Node_Expression_BlockReference ||
-            $exprNode instanceof Twig_Node_Expression_Parent
-        ) {
-            $exprNode->setAttribute('output', true);
-
-            return $exprNode;
-        }
-
-        return $node;
-    }
-
-    /**
-     * Removes "raw" filters.
-     *
-     * @return Twig_NodeInterface
-     */
-    protected function optimizeRawFilter(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_Expression_Filter && 'raw' == $node->getNode('filter')->getAttribute('value')) {
-            return $node->getNode('node');
-        }
-
-        return $node;
-    }
-
-    /**
-     * Optimizes "for" tag by removing the "loop" variable creation whenever possible.
-     */
-    protected function enterOptimizeFor(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_For) {
-            // disable the loop variable by default
-            $node->setAttribute('with_loop', false);
-            array_unshift($this->loops, $node);
-            array_unshift($this->loopsTargets, $node->getNode('value_target')->getAttribute('name'));
-            array_unshift($this->loopsTargets, $node->getNode('key_target')->getAttribute('name'));
-        } elseif (!$this->loops) {
-            // we are outside a loop
-            return;
-        }
-
-        // when do we need to add the loop variable back?
-
-        // the loop variable is referenced for the current loop
-        elseif ($node instanceof Twig_Node_Expression_Name && 'loop' === $node->getAttribute('name')) {
-            $node->setAttribute('always_defined', true);
-            $this->addLoopToCurrent();
-        }
-
-        // optimize access to loop targets
-        elseif ($node instanceof Twig_Node_Expression_Name && in_array($node->getAttribute('name'), $this->loopsTargets)) {
-            $node->setAttribute('always_defined', true);
-        }
-
-        // block reference
-        elseif ($node instanceof Twig_Node_BlockReference || $node instanceof Twig_Node_Expression_BlockReference) {
-            $this->addLoopToCurrent();
-        }
-
-        // include without the only attribute
-        elseif ($node instanceof Twig_Node_Include && !$node->getAttribute('only')) {
-            $this->addLoopToAll();
-        }
-
-        // include function without the with_context=false parameter
-        elseif ($node instanceof Twig_Node_Expression_Function
-            && 'include' === $node->getAttribute('name')
-            && (!$node->getNode('arguments')->hasNode('with_context')
-                 || false !== $node->getNode('arguments')->getNode('with_context')->getAttribute('value')
-               )
-        ) {
-            $this->addLoopToAll();
-        }
-
-        // the loop variable is referenced via an attribute
-        elseif ($node instanceof Twig_Node_Expression_GetAttr
-            && (!$node->getNode('attribute') instanceof Twig_Node_Expression_Constant
-                || 'parent' === $node->getNode('attribute')->getAttribute('value')
-               )
-            && (true === $this->loops[0]->getAttribute('with_loop')
-                || ($node->getNode('node') instanceof Twig_Node_Expression_Name
-                    && 'loop' === $node->getNode('node')->getAttribute('name')
-                   )
-               )
-        ) {
-            $this->addLoopToAll();
-        }
-    }
-
-    /**
-     * Optimizes "for" tag by removing the "loop" variable creation whenever possible.
-     */
-    protected function leaveOptimizeFor(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_For) {
-            array_shift($this->loops);
-            array_shift($this->loopsTargets);
-            array_shift($this->loopsTargets);
-        }
-    }
-
-    protected function addLoopToCurrent()
-    {
-        $this->loops[0]->setAttribute('with_loop', true);
-    }
-
-    protected function addLoopToAll()
-    {
-        foreach ($this->loops as $loop) {
-            $loop->setAttribute('with_loop', true);
-        }
-    }
-
-    public function getPriority()
-    {
-        return 255;
-    }
-}
-
-class_alias('Twig_NodeVisitor_Optimizer', 'Twig\NodeVisitor\OptimizerNodeVisitor', false);