Initial attempt a switch to composer and PHP-8.1 compatibility

1 files changed, 0 insertions, 744 deletions

diff --git a/inc/lib/Twig/ExpressionParser.php b/inc/lib/Twig/ExpressionParser.php
deleted file mode 100644
index fe4a9b4a..00000000
--- a/inc/lib/Twig/ExpressionParser.php
+++ /dev/null
@@ -1,744 +0,0 @@
-<?php
-
-/*
- * This file is part of Twig.
- *
- * (c) Fabien Potencier
- * (c) Armin Ronacher
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-/**
- * Parses expressions.
- *
- * This parser implements a "Precedence climbing" algorithm.
- *
- * @see https://www.engr.mun.ca/~theo/Misc/exp_parsing.htm
- * @see https://en.wikipedia.org/wiki/Operator-precedence_parser
- *
- * @author Fabien Potencier <fabien@symfony.com>
- *
- * @internal
- */
-class Twig_ExpressionParser
-{
-    const OPERATOR_LEFT = 1;
-    const OPERATOR_RIGHT = 2;
-
-    protected $parser;
-    protected $unaryOperators;
-    protected $binaryOperators;
-
-    private $env;
-
-    public function __construct(Twig_Parser $parser, $env = null)
-    {
-        $this->parser = $parser;
-
-        if ($env instanceof Twig_Environment) {
-            $this->env = $env;
-            $this->unaryOperators = $env->getUnaryOperators();
-            $this->binaryOperators = $env->getBinaryOperators();
-        } else {
-            @trigger_error('Passing the operators as constructor arguments to '.__METHOD__.' is deprecated since version 1.27. Pass the environment instead.', E_USER_DEPRECATED);
-
-            $this->env = $parser->getEnvironment();
-            $this->unaryOperators = func_get_arg(1);
-            $this->binaryOperators = func_get_arg(2);
-        }
-    }
-
-    public function parseExpression($precedence = 0)
-    {
-        $expr = $this->getPrimary();
-        $token = $this->parser->getCurrentToken();
-        while ($this->isBinary($token) && $this->binaryOperators[$token->getValue()]['precedence'] >= $precedence) {
-            $op = $this->binaryOperators[$token->getValue()];
-            $this->parser->getStream()->next();
-
-            if ('is not' === $token->getValue()) {
-                $expr = $this->parseNotTestExpression($expr);
-            } elseif ('is' === $token->getValue()) {
-                $expr = $this->parseTestExpression($expr);
-            } elseif (isset($op['callable'])) {
-                $expr = call_user_func($op['callable'], $this->parser, $expr);
-            } else {
-                $expr1 = $this->parseExpression(self::OPERATOR_LEFT === $op['associativity'] ? $op['precedence'] + 1 : $op['precedence']);
-                $class = $op['class'];
-                $expr = new $class($expr, $expr1, $token->getLine());
-            }
-
-            $token = $this->parser->getCurrentToken();
-        }
-
-        if (0 === $precedence) {
-            return $this->parseConditionalExpression($expr);
-        }
-
-        return $expr;
-    }
-
-    protected function getPrimary()
-    {
-        $token = $this->parser->getCurrentToken();
-
-        if ($this->isUnary($token)) {
-            $operator = $this->unaryOperators[$token->getValue()];
-            $this->parser->getStream()->next();
-            $expr = $this->parseExpression($operator['precedence']);
-            $class = $operator['class'];
-
-            return $this->parsePostfixExpression(new $class($expr, $token->getLine()));
-        } elseif ($token->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
-            $this->parser->getStream()->next();
-            $expr = $this->parseExpression();
-            $this->parser->getStream()->expect(Twig_Token::PUNCTUATION_TYPE, ')', 'An opened parenthesis is not properly closed');
-
-            return $this->parsePostfixExpression($expr);
-        }
-
-        return $this->parsePrimaryExpression();
-    }
-
-    protected function parseConditionalExpression($expr)
-    {
-        while ($this->parser->getStream()->nextIf(Twig_Token::PUNCTUATION_TYPE, '?')) {
-            if (!$this->parser->getStream()->nextIf(Twig_Token::PUNCTUATION_TYPE, ':')) {
-                $expr2 = $this->parseExpression();
-                if ($this->parser->getStream()->nextIf(Twig_Token::PUNCTUATION_TYPE, ':')) {
-                    $expr3 = $this->parseExpression();
-                } else {
-                    $expr3 = new Twig_Node_Expression_Constant('', $this->parser->getCurrentToken()->getLine());
-                }
-            } else {
-                $expr2 = $expr;
-                $expr3 = $this->parseExpression();
-            }
-
-            $expr = new Twig_Node_Expression_Conditional($expr, $expr2, $expr3, $this->parser->getCurrentToken()->getLine());
-        }
-
-        return $expr;
-    }
-
-    protected function isUnary(Twig_Token $token)
-    {
-        return $token->test(Twig_Token::OPERATOR_TYPE) && isset($this->unaryOperators[$token->getValue()]);
-    }
-
-    protected function isBinary(Twig_Token $token)
-    {
-        return $token->test(Twig_Token::OPERATOR_TYPE) && isset($this->binaryOperators[$token->getValue()]);
-    }
-
-    public function parsePrimaryExpression()
-    {
-        $token = $this->parser->getCurrentToken();
-        switch ($token->getType()) {
-            case Twig_Token::NAME_TYPE:
-                $this->parser->getStream()->next();
-                switch ($token->getValue()) {
-                    case 'true':
-                    case 'TRUE':
-                        $node = new Twig_Node_Expression_Constant(true, $token->getLine());
-                        break;
-
-                    case 'false':
-                    case 'FALSE':
-                        $node = new Twig_Node_Expression_Constant(false, $token->getLine());
-                        break;
-
-                    case 'none':
-                    case 'NONE':
-                    case 'null':
-                    case 'NULL':
-                        $node = new Twig_Node_Expression_Constant(null, $token->getLine());
-                        break;
-
-                    default:
-                        if ('(' === $this->parser->getCurrentToken()->getValue()) {
-                            $node = $this->getFunctionNode($token->getValue(), $token->getLine());
-                        } else {
-                            $node = new Twig_Node_Expression_Name($token->getValue(), $token->getLine());
-                        }
-                }
-                break;
-
-            case Twig_Token::NUMBER_TYPE:
-                $this->parser->getStream()->next();
-                $node = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
-                break;
-
-            case Twig_Token::STRING_TYPE:
-            case Twig_Token::INTERPOLATION_START_TYPE:
-                $node = $this->parseStringExpression();
-                break;
-
-            case Twig_Token::OPERATOR_TYPE:
-                if (preg_match(Twig_Lexer::REGEX_NAME, $token->getValue(), $matches) && $matches[0] == $token->getValue()) {
-                    // in this context, string operators are variable names
-                    $this->parser->getStream()->next();
-                    $node = new Twig_Node_Expression_Name($token->getValue(), $token->getLine());
-                    break;
-                } elseif (isset($this->unaryOperators[$token->getValue()])) {
-                    $class = $this->unaryOperators[$token->getValue()]['class'];
-
-                    $ref = new ReflectionClass($class);
-                    $negClass = 'Twig_Node_Expression_Unary_Neg';
-                    $posClass = 'Twig_Node_Expression_Unary_Pos';
-                    if (!(in_array($ref->getName(), array($negClass, $posClass)) || $ref->isSubclassOf($negClass) || $ref->isSubclassOf($posClass))) {
-                        throw new Twig_Error_Syntax(sprintf('Unexpected unary operator "%s".', $token->getValue()), $token->getLine(), $this->parser->getStream()->getSourceContext());
-                    }
-
-                    $this->parser->getStream()->next();
-                    $expr = $this->parsePrimaryExpression();
-
-                    $node = new $class($expr, $token->getLine());
-                    break;
-                }
-
-                // no break
-            default:
-                if ($token->test(Twig_Token::PUNCTUATION_TYPE, '[')) {
-                    $node = $this->parseArrayExpression();
-                } elseif ($token->test(Twig_Token::PUNCTUATION_TYPE, '{')) {
-                    $node = $this->parseHashExpression();
-                } elseif ($token->test(Twig_Token::OPERATOR_TYPE, '=') && ('==' === $this->parser->getStream()->look(-1)->getValue() || '!=' === $this->parser->getStream()->look(-1)->getValue())) {
-                    throw new Twig_Error_Syntax(sprintf('Unexpected operator of value "%s". Did you try to use "===" or "!==" for strict comparison? Use "is same as(value)" instead.', $token->getValue()), $token->getLine(), $this->parser->getStream()->getSourceContext());
-                } else {
-                    throw new Twig_Error_Syntax(sprintf('Unexpected token "%s" of value "%s".', Twig_Token::typeToEnglish($token->getType()), $token->getValue()), $token->getLine(), $this->parser->getStream()->getSourceContext());
-                }
-        }
-
-        return $this->parsePostfixExpression($node);
-    }
-
-    public function parseStringExpression()
-    {
-        $stream = $this->parser->getStream();
-
-        $nodes = array();
-        // a string cannot be followed by another string in a single expression
-        $nextCanBeString = true;
-        while (true) {
-            if ($nextCanBeString && $token = $stream->nextIf(Twig_Token::STRING_TYPE)) {
-                $nodes[] = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
-                $nextCanBeString = false;
-            } elseif ($stream->nextIf(Twig_Token::INTERPOLATION_START_TYPE)) {
-                $nodes[] = $this->parseExpression();
-                $stream->expect(Twig_Token::INTERPOLATION_END_TYPE);
-                $nextCanBeString = true;
-            } else {
-                break;
-            }
-        }
-
-        $expr = array_shift($nodes);
-        foreach ($nodes as $node) {
-            $expr = new Twig_Node_Expression_Binary_Concat($expr, $node, $node->getTemplateLine());
-        }
-
-        return $expr;
-    }
-
-    public function parseArrayExpression()
-    {
-        $stream = $this->parser->getStream();
-        $stream->expect(Twig_Token::PUNCTUATION_TYPE, '[', 'An array element was expected');
-
-        $node = new Twig_Node_Expression_Array(array(), $stream->getCurrent()->getLine());
-        $first = true;
-        while (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
-            if (!$first) {
-                $stream->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'An array element must be followed by a comma');
-
-                // trailing ,?
-                if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
-                    break;
-                }
-            }
-            $first = false;
-
-            $node->addElement($this->parseExpression());
-        }
-        $stream->expect(Twig_Token::PUNCTUATION_TYPE, ']', 'An opened array is not properly closed');
-
-        return $node;
-    }
-
-    public function parseHashExpression()
-    {
-        $stream = $this->parser->getStream();
-        $stream->expect(Twig_Token::PUNCTUATION_TYPE, '{', 'A hash element was expected');
-
-        $node = new Twig_Node_Expression_Array(array(), $stream->getCurrent()->getLine());
-        $first = true;
-        while (!$stream->test(Twig_Token::PUNCTUATION_TYPE, '}')) {
-            if (!$first) {
-                $stream->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'A hash value must be followed by a comma');
-
-                // trailing ,?
-                if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '}')) {
-                    break;
-                }
-            }
-            $first = false;
-
-            // a hash key can be:
-            //
-            //  * a number -- 12
-            //  * a string -- 'a'
-            //  * a name, which is equivalent to a string -- a
-            //  * an expression, which must be enclosed in parentheses -- (1 + 2)
-            if (($token = $stream->nextIf(Twig_Token::STRING_TYPE)) || ($token = $stream->nextIf(Twig_Token::NAME_TYPE)) || $token = $stream->nextIf(Twig_Token::NUMBER_TYPE)) {
-                $key = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
-            } elseif ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
-                $key = $this->parseExpression();
-            } else {
-                $current = $stream->getCurrent();
-
-                throw new Twig_Error_Syntax(sprintf('A hash key must be a quoted string, a number, a name, or an expression enclosed in parentheses (unexpected token "%s" of value "%s".', Twig_Token::typeToEnglish($current->getType()), $current->getValue()), $current->getLine(), $stream->getSourceContext());
-            }
-
-            $stream->expect(Twig_Token::PUNCTUATION_TYPE, ':', 'A hash key must be followed by a colon (:)');
-            $value = $this->parseExpression();
-
-            $node->addElement($value, $key);
-        }
-        $stream->expect(Twig_Token::PUNCTUATION_TYPE, '}', 'An opened hash is not properly closed');
-
-        return $node;
-    }
-
-    public function parsePostfixExpression($node)
-    {
-        while (true) {
-            $token = $this->parser->getCurrentToken();
-            if (Twig_Token::PUNCTUATION_TYPE == $token->getType()) {
-                if ('.' == $token->getValue() || '[' == $token->getValue()) {
-                    $node = $this->parseSubscriptExpression($node);
-                } elseif ('|' == $token->getValue()) {
-                    $node = $this->parseFilterExpression($node);
-                } else {
-                    break;
-                }
-            } else {
-                break;
-            }
-        }
-
-        return $node;
-    }
-
-    public function getFunctionNode($name, $line)
-    {
-        switch ($name) {
-            case 'parent':
-                $this->parseArguments();
-                if (!count($this->parser->getBlockStack())) {
-                    throw new Twig_Error_Syntax('Calling "parent" outside a block is forbidden.', $line, $this->parser->getStream()->getSourceContext());
-                }
-
-                if (!$this->parser->getParent() && !$this->parser->hasTraits()) {
-                    throw new Twig_Error_Syntax('Calling "parent" on a template that does not extend nor "use" another template is forbidden.', $line, $this->parser->getStream()->getSourceContext());
-                }
-
-                return new Twig_Node_Expression_Parent($this->parser->peekBlockStack(), $line);
-            case 'block':
-                $args = $this->parseArguments();
-                if (count($args) < 1) {
-                    throw new Twig_Error_Syntax('The "block" function takes one argument (the block name).', $line, $this->parser->getStream()->getSourceContext());
-                }
-
-                return new Twig_Node_Expression_BlockReference($args->getNode(0), count($args) > 1 ? $args->getNode(1) : null, $line);
-            case 'attribute':
-                $args = $this->parseArguments();
-                if (count($args) < 2) {
-                    throw new Twig_Error_Syntax('The "attribute" function takes at least two arguments (the variable and the attributes).', $line, $this->parser->getStream()->getSourceContext());
-                }
-
-                return new Twig_Node_Expression_GetAttr($args->getNode(0), $args->getNode(1), count($args) > 2 ? $args->getNode(2) : null, Twig_Template::ANY_CALL, $line);
-            default:
-                if (null !== $alias = $this->parser->getImportedSymbol('function', $name)) {
-                    $arguments = new Twig_Node_Expression_Array(array(), $line);
-                    foreach ($this->parseArguments() as $n) {
-                        $arguments->addElement($n);
-                    }
-
-                    $node = new Twig_Node_Expression_MethodCall($alias['node'], $alias['name'], $arguments, $line);
-                    $node->setAttribute('safe', true);
-
-                    return $node;
-                }
-
-                $args = $this->parseArguments(true);
-                $class = $this->getFunctionNodeClass($name, $line);
-
-                return new $class($name, $args, $line);
-        }
-    }
-
-    public function parseSubscriptExpression($node)
-    {
-        $stream = $this->parser->getStream();
-        $token = $stream->next();
-        $lineno = $token->getLine();
-        $arguments = new Twig_Node_Expression_Array(array(), $lineno);
-        $type = Twig_Template::ANY_CALL;
-        if ('.' == $token->getValue()) {
-            $token = $stream->next();
-            if (
-                Twig_Token::NAME_TYPE == $token->getType()
-                ||
-                Twig_Token::NUMBER_TYPE == $token->getType()
-                ||
-                (Twig_Token::OPERATOR_TYPE == $token->getType() && preg_match(Twig_Lexer::REGEX_NAME, $token->getValue()))
-            ) {
-                $arg = new Twig_Node_Expression_Constant($token->getValue(), $lineno);
-
-                if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
-                    $type = Twig_Template::METHOD_CALL;
-                    foreach ($this->parseArguments() as $n) {
-                        $arguments->addElement($n);
-                    }
-                }
-            } else {
-                throw new Twig_Error_Syntax('Expected name or number.', $lineno, $stream->getSourceContext());
-            }
-
-            if ($node instanceof Twig_Node_Expression_Name && null !== $this->parser->getImportedSymbol('template', $node->getAttribute('name'))) {
-                if (!$arg instanceof Twig_Node_Expression_Constant) {
-                    throw new Twig_Error_Syntax(sprintf('Dynamic macro names are not supported (called on "%s").', $node->getAttribute('name')), $token->getLine(), $stream->getSourceContext());
-                }
-
-                $name = $arg->getAttribute('value');
-
-                if ($this->parser->isReservedMacroName($name)) {
-                    throw new Twig_Error_Syntax(sprintf('"%s" cannot be called as macro as it is a reserved keyword.', $name), $token->getLine(), $stream->getSourceContext());
-                }
-
-                $node = new Twig_Node_Expression_MethodCall($node, 'get'.$name, $arguments, $lineno);
-                $node->setAttribute('safe', true);
-
-                return $node;
-            }
-        } else {
-            $type = Twig_Template::ARRAY_CALL;
-
-            // slice?
-            $slice = false;
-            if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ':')) {
-                $slice = true;
-                $arg = new Twig_Node_Expression_Constant(0, $token->getLine());
-            } else {
-                $arg = $this->parseExpression();
-            }
-
-            if ($stream->nextIf(Twig_Token::PUNCTUATION_TYPE, ':')) {
-                $slice = true;
-            }
-
-            if ($slice) {
-                if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
-                    $length = new Twig_Node_Expression_Constant(null, $token->getLine());
-                } else {
-                    $length = $this->parseExpression();
-                }
-
-                $class = $this->getFilterNodeClass('slice', $token->getLine());
-                $arguments = new Twig_Node(array($arg, $length));
-                $filter = new $class($node, new Twig_Node_Expression_Constant('slice', $token->getLine()), $arguments, $token->getLine());
-
-                $stream->expect(Twig_Token::PUNCTUATION_TYPE, ']');
-
-                return $filter;
-            }
-
-            $stream->expect(Twig_Token::PUNCTUATION_TYPE, ']');
-        }
-
-        return new Twig_Node_Expression_GetAttr($node, $arg, $arguments, $type, $lineno);
-    }
-
-    public function parseFilterExpression($node)
-    {
-        $this->parser->getStream()->next();
-
-        return $this->parseFilterExpressionRaw($node);
-    }
-
-    public function parseFilterExpressionRaw($node, $tag = null)
-    {
-        while (true) {
-            $token = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE);
-
-            $name = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
-            if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
-                $arguments = new Twig_Node();
-            } else {
-                $arguments = $this->parseArguments(true);
-            }
-
-            $class = $this->getFilterNodeClass($name->getAttribute('value'), $token->getLine());
-
-            $node = new $class($node, $name, $arguments, $token->getLine(), $tag);
-
-            if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, '|')) {
-                break;
-            }
-
-            $this->parser->getStream()->next();
-        }
-
-        return $node;
-    }
-
-    /**
-     * Parses arguments.
-     *
-     * @param bool $namedArguments Whether to allow named arguments or not
-     * @param bool $definition     Whether we are parsing arguments for a function definition
-     *
-     * @return Twig_Node
-     *
-     * @throws Twig_Error_Syntax
-     */
-    public function parseArguments($namedArguments = false, $definition = false)
-    {
-        $args = array();
-        $stream = $this->parser->getStream();
-
-        $stream->expect(Twig_Token::PUNCTUATION_TYPE, '(', 'A list of arguments must begin with an opening parenthesis');
-        while (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ')')) {
-            if (!empty($args)) {
-                $stream->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'Arguments must be separated by a comma');
-            }
-
-            if ($definition) {
-                $token = $stream->expect(Twig_Token::NAME_TYPE, null, 'An argument must be a name');
-                $value = new Twig_Node_Expression_Name($token->getValue(), $this->parser->getCurrentToken()->getLine());
-            } else {
-                $value = $this->parseExpression();
-            }
-
-            $name = null;
-            if ($namedArguments && $token = $stream->nextIf(Twig_Token::OPERATOR_TYPE, '=')) {
-                if (!$value instanceof Twig_Node_Expression_Name) {
-                    throw new Twig_Error_Syntax(sprintf('A parameter name must be a string, "%s" given.', get_class($value)), $token->getLine(), $stream->getSourceContext());
-                }
-                $name = $value->getAttribute('name');
-
-                if ($definition) {
-                    $value = $this->parsePrimaryExpression();
-
-                    if (!$this->checkConstantExpression($value)) {
-                        throw new Twig_Error_Syntax(sprintf('A default value for an argument must be a constant (a boolean, a string, a number, or an array).'), $token->getLine(), $stream->getSourceContext());
-                    }
-                } else {
-                    $value = $this->parseExpression();
-                }
-            }
-
-            if ($definition) {
-                if (null === $name) {
-                    $name = $value->getAttribute('name');
-                    $value = new Twig_Node_Expression_Constant(null, $this->parser->getCurrentToken()->getLine());
-                }
-                $args[$name] = $value;
-            } else {
-                if (null === $name) {
-                    $args[] = $value;
-                } else {
-                    $args[$name] = $value;
-                }
-            }
-        }
-        $stream->expect(Twig_Token::PUNCTUATION_TYPE, ')', 'A list of arguments must be closed by a parenthesis');
-
-        return new Twig_Node($args);
-    }
-
-    public function parseAssignmentExpression()
-    {
-        $stream = $this->parser->getStream();
-        $targets = array();
-        while (true) {
-            $token = $stream->expect(Twig_Token::NAME_TYPE, null, 'Only variables can be assigned to');
-            $value = $token->getValue();
-            if (in_array(strtolower($value), array('true', 'false', 'none', 'null'))) {
-                throw new Twig_Error_Syntax(sprintf('You cannot assign a value to "%s".', $value), $token->getLine(), $stream->getSourceContext());
-            }
-            $targets[] = new Twig_Node_Expression_AssignName($value, $token->getLine());
-
-            if (!$stream->nextIf(Twig_Token::PUNCTUATION_TYPE, ',')) {
-                break;
-            }
-        }
-
-        return new Twig_Node($targets);
-    }
-
-    public function parseMultitargetExpression()
-    {
-        $targets = array();
-        while (true) {
-            $targets[] = $this->parseExpression();
-            if (!$this->parser->getStream()->nextIf(Twig_Token::PUNCTUATION_TYPE, ',')) {
-                break;
-            }
-        }
-
-        return new Twig_Node($targets);
-    }
-
-    private function parseNotTestExpression(Twig_NodeInterface $node)
-    {
-        return new Twig_Node_Expression_Unary_Not($this->parseTestExpression($node), $this->parser->getCurrentToken()->getLine());
-    }
-
-    private function parseTestExpression(Twig_NodeInterface $node)
-    {
-        $stream = $this->parser->getStream();
-        list($name, $test) = $this->getTest($node->getTemplateLine());
-
-        $class = $this->getTestNodeClass($test);
-        $arguments = null;
-        if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
-            $arguments = $this->parser->getExpressionParser()->parseArguments(true);
-        }
-
-        return new $class($node, $name, $arguments, $this->parser->getCurrentToken()->getLine());
-    }
-
-    private function getTest($line)
-    {
-        $stream = $this->parser->getStream();
-        $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
-
-        if ($test = $this->env->getTest($name)) {
-            return array($name, $test);
-        }
-
-        if ($stream->test(Twig_Token::NAME_TYPE)) {
-            // try 2-words tests
-            $name = $name.' '.$this->parser->getCurrentToken()->getValue();
-
-            if ($test = $this->env->getTest($name)) {
-                $stream->next();
-
-                return array($name, $test);
-            }
-        }
-
-        $e = new Twig_Error_Syntax(sprintf('Unknown "%s" test.', $name), $line, $stream->getSourceContext());
-        $e->addSuggestions($name, array_keys($this->env->getTests()));
-
-        throw $e;
-    }
-
-    private function getTestNodeClass($test)
-    {
-        if ($test instanceof Twig_SimpleTest && $test->isDeprecated()) {
-            $stream = $this->parser->getStream();
-            $message = sprintf('Twig Test "%s" is deprecated', $test->getName());
-            if (!is_bool($test->getDeprecatedVersion())) {
-                $message .= sprintf(' since version %s', $test->getDeprecatedVersion());
-            }
-            if ($test->getAlternative()) {
-                $message .= sprintf('. Use "%s" instead', $test->getAlternative());
-            }
-            $src = $stream->getSourceContext();
-            $message .= sprintf(' in %s at line %d.', $src->getPath() ? $src->getPath() : $src->getName(), $stream->getCurrent()->getLine());
-
-            @trigger_error($message, E_USER_DEPRECATED);
-        }
-
-        if ($test instanceof Twig_SimpleTest) {
-            return $test->getNodeClass();
-        }
-
-        return $test instanceof Twig_Test_Node ? $test->getClass() : 'Twig_Node_Expression_Test';
-    }
-
-    protected function getFunctionNodeClass($name, $line)
-    {
-        if (false === $function = $this->env->getFunction($name)) {
-            $e = new Twig_Error_Syntax(sprintf('Unknown "%s" function.', $name), $line, $this->parser->getStream()->getSourceContext());
-            $e->addSuggestions($name, array_keys($this->env->getFunctions()));
-
-            throw $e;
-        }
-
-        if ($function instanceof Twig_SimpleFunction && $function->isDeprecated()) {
-            $message = sprintf('Twig Function "%s" is deprecated', $function->getName());
-            if (!is_bool($function->getDeprecatedVersion())) {
-                $message .= sprintf(' since version %s', $function->getDeprecatedVersion());
-            }
-            if ($function->getAlternative()) {
-                $message .= sprintf('. Use "%s" instead', $function->getAlternative());
-            }
-            $src = $this->parser->getStream()->getSourceContext();
-            $message .= sprintf(' in %s at line %d.', $src->getPath() ? $src->getPath() : $src->getName(), $line);
-
-            @trigger_error($message, E_USER_DEPRECATED);
-        }
-
-        if ($function instanceof Twig_SimpleFunction) {
-            return $function->getNodeClass();
-        }
-
-        return $function instanceof Twig_Function_Node ? $function->getClass() : 'Twig_Node_Expression_Function';
-    }
-
-    protected function getFilterNodeClass($name, $line)
-    {
-        if (false === $filter = $this->env->getFilter($name)) {
-            $e = new Twig_Error_Syntax(sprintf('Unknown "%s" filter.', $name), $line, $this->parser->getStream()->getSourceContext());
-            $e->addSuggestions($name, array_keys($this->env->getFilters()));
-
-            throw $e;
-        }
-
-        if ($filter instanceof Twig_SimpleFilter && $filter->isDeprecated()) {
-            $message = sprintf('Twig Filter "%s" is deprecated', $filter->getName());
-            if (!is_bool($filter->getDeprecatedVersion())) {
-                $message .= sprintf(' since version %s', $filter->getDeprecatedVersion());
-            }
-            if ($filter->getAlternative()) {
-                $message .= sprintf('. Use "%s" instead', $filter->getAlternative());
-            }
-            $src = $this->parser->getStream()->getSourceContext();
-            $message .= sprintf(' in %s at line %d.', $src->getPath() ? $src->getPath() : $src->getName(), $line);
-
-            @trigger_error($message, E_USER_DEPRECATED);
-        }
-
-        if ($filter instanceof Twig_SimpleFilter) {
-            return $filter->getNodeClass();
-        }
-
-        return $filter instanceof Twig_Filter_Node ? $filter->getClass() : 'Twig_Node_Expression_Filter';
-    }
-
-    // checks that the node only contains "constant" elements
-    protected function checkConstantExpression(Twig_NodeInterface $node)
-    {
-        if (!($node instanceof Twig_Node_Expression_Constant || $node instanceof Twig_Node_Expression_Array
-            || $node instanceof Twig_Node_Expression_Unary_Neg || $node instanceof Twig_Node_Expression_Unary_Pos
-        )) {
-            return false;
-        }
-
-        foreach ($node as $n) {
-            if (!$this->checkConstantExpression($n)) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-}
-
-class_alias('Twig_ExpressionParser', 'Twig\ExpressionParser', false);