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Edit File : ReflectionClosure.php \| Size : 39.14 KB
<?php /* =========================================================================== * Copyright (c) 2018-2019 Zindex Software * * Licensed under the MIT License * =========================================================================== / namespace Opis\Closure; use Closure; use ReflectionFunction; class ReflectionClosure extends ReflectionFunction { protected $code; protected $tokens; protected $hashedName; protected $useVariables; protected $isStaticClosure; protected $isScopeRequired; protected $isBindingRequired; protected $isShortClosure; protected static $files = array(); protected static $classes = array(); protected static $functions = array(); protected static $constants = array(); protected static $structures = array(); /* * ReflectionClosure constructor. * @param Closure $closure * @param string\|null $code * @throws \ReflectionException / public function __construct(Closure $closure, $code = null) { $this->code = $code; parent::__construct($closure); } /* * @return bool / public function isStatic() { if ($this->isStaticClosure === null) { $this->isStaticClosure = strtolower(substr($this->getCode(), 0, 6)) === 'static'; } return $this->isStaticClosure; } public function isShortClosure() { if ($this->isShortClosure === null) { $code = $this->getCode(); if ($this->isStatic()) { $code = substr($code, 6); } $this->isShortClosure = strtolower(substr(trim($code), 0, 2)) === 'fn'; } return $this->isShortClosure; } /* * @return string / public function getCode() { if($this->code !== null){ return $this->code; } $fileName = $this->getFileName(); $line = $this->getStartLine() - 1; $match = ClosureStream::STREAM_PROTO . '://'; if ($line === 1 && substr($fileName, 0, strlen($match)) === $match) { return $this->code = substr($fileName, strlen($match)); } $className = null; $fn = false; if (null !== $className = $this->getClosureScopeClass()) { $className = '\\' . trim($className->getName(), '\\'); } if($php7 = PHP_MAJOR_VERSION === 7){ switch (PHP_MINOR_VERSION){ case 0: $php7_types = array('string', 'int', 'bool', 'float'); break; case 1: $php7_types = array('string', 'int', 'bool', 'float', 'void'); break; case 2: default: $php7_types = array('string', 'int', 'bool', 'float', 'void', 'object'); } $fn = PHP_MINOR_VERSION === 4; } $class_keywords = ['self', 'static', 'parent']; $ns = $this->getNamespaceName(); $nsf = $ns == '' ? '' : ($ns[0] == '\\' ? $ns : '\\' . $ns); $_file = var_export($fileName, true); $_dir = var_export(dirname($fileName), true); $_namespace = var_export($ns, true); $_class = var_export(trim($className, '\\'), true); $_function = $ns . ($ns == '' ? '' : '\\') . '{closure}'; $_method = ($className == '' ? '' : trim($className, '\\') . '::') . $_function; $_function = var_export($_function, true); $_method = var_export($_method, true); $_trait = null; $tokens = $this->getTokens(); $state = $lastState = 'start'; $inside_structure = false; $isShortClosure = false; $inside_structure_mark = 0; $open = 0; $code = ''; $id_start = $id_start_ci = $id_name = $context = ''; $classes = $functions = $constants = null; $use = array(); $lineAdd = 0; $isUsingScope = false; $isUsingThisObject = false; for($i = 0, $l = count($tokens); $i < $l; $i++) { $token = $tokens[$i]; switch ($state) { case 'start': if ($token[0] === T_FUNCTION \|\| $token[0] === T_STATIC) { $code .= $token[1]; $state = $token[0] === T_FUNCTION ? 'function' : 'static'; } elseif ($fn && $token[0] === T_FN) { $isShortClosure = true; $code .= $token[1]; $state = 'closure_args'; } break; case 'static': if ($token[0] === T_WHITESPACE \|\| $token[0] === T_COMMENT \|\| $token[0] === T_FUNCTION) { $code .= $token[1]; if ($token[0] === T_FUNCTION) { $state = 'function'; } } elseif ($fn && $token[0] === T_FN) { $isShortClosure = true; $code .= $token[1]; $state = 'closure_args'; } else { $code = ''; $state = 'start'; } break; case 'function': switch ($token[0]){ case T_STRING: $code = ''; $state = 'named_function'; break; case '(': $code .= '('; $state = 'closure_args'; break; default: $code .= is_array($token) ? $token[1] : $token; } break; case 'named_function': if($token[0] === T_FUNCTION \|\| $token[0] === T_STATIC){ $code = $token[1]; $state = $token[0] === T_FUNCTION ? 'function' : 'static'; } elseif ($fn && $token[0] === T_FN) { $isShortClosure = true; $code .= $token[1]; $state = 'closure_args'; } break; case 'closure_args': switch ($token[0]){ case T_NS_SEPARATOR: case T_STRING: $id_start = $token[1]; $id_start_ci = strtolower($id_start); $id_name = ''; $context = 'args'; $state = 'id_name'; $lastState = 'closure_args'; break; case T_USE: $code .= $token[1]; $state = 'use'; break; case T_DOUBLE_ARROW: $code .= $token[1]; if ($isShortClosure) { $state = 'closure'; } break; case ':': $code .= ':'; $state = 'return'; break; case '{': $code .= '{'; $state = 'closure'; $open++; break; default: $code .= is_array($token) ? $token[1] : $token; } break; case 'use': switch ($token[0]){ case T_VARIABLE: $use[] = substr($token[1], 1); $code .= $token[1]; break; case '{': $code .= '{'; $state = 'closure'; $open++; break; case ':': $code .= ':'; $state = 'return'; break; default: $code .= is_array($token) ? $token[1] : $token; break; } break; case 'return': switch ($token[0]){ case T_WHITESPACE: case T_COMMENT: case T_DOC_COMMENT: $code .= $token[1]; break; case T_NS_SEPARATOR: case T_STRING: $id_start = $token[1]; $id_start_ci = strtolower($id_start); $id_name = ''; $context = 'return_type'; $state = 'id_name'; $lastState = 'return'; break 2; case T_DOUBLE_ARROW: $code .= $token[1]; if ($isShortClosure) { $state = 'closure'; } break; case '{': $code .= '{'; $state = 'closure'; $open++; break; default: $code .= is_array($token) ? $token[1] : $token; break; } break; case 'closure': switch ($token[0]){ case T_CURLY_OPEN: case T_DOLLAR_OPEN_CURLY_BRACES: case '{': $code .= '{'; $open++; break; case '}': $code .= '}'; if(--$open === 0 && !$isShortClosure){ break 3; } elseif ($inside_structure) { $inside_structure = !($open === $inside_structure_mark); } break; case '(': case '[': $code .= $token[0]; if ($isShortClosure) { $open++; } break; case ')': case ']': if ($isShortClosure) { if ($open === 0) { break 3; } --$open; } $code .= $token[0]; break; case ',': case ';': if ($isShortClosure && $open === 0) { break 3; } $code .= $token[0]; break; case T_LINE: $code .= $token[2] - $line + $lineAdd; break; case T_FILE: $code .= $_file; break; case T_DIR: $code .= $_dir; break; case T_NS_C: $code .= $_namespace; break; case T_CLASS_C: $code .= $inside_structure ? $token[1] : $_class; break; case T_FUNC_C: $code .= $inside_structure ? $token[1] : $_function; break; case T_METHOD_C: $code .= $inside_structure ? $token[1] : $_method; break; case T_COMMENT: if (substr($token[1], 0, 8) === '#trackme') { $timestamp = time(); $code .= '/' . PHP_EOL; $code .= ' Date : ' . date(DATE_W3C, $timestamp) . PHP_EOL; $code .= '* Timestamp : ' . $timestamp . PHP_EOL; $code .= '* Line : ' . ($line + 1) . PHP_EOL; $code .= '* File : ' . $_file . PHP_EOL . '/' . PHP_EOL; $lineAdd += 5; } else { $code .= $token[1]; } break; case T_VARIABLE: if($token[1] == '$this' && !$inside_structure){ $isUsingThisObject = true; } $code .= $token[1]; break; case T_STATIC: case T_NS_SEPARATOR: case T_STRING: $id_start = $token[1]; $id_start_ci = strtolower($id_start); $id_name = ''; $context = 'root'; $state = 'id_name'; $lastState = 'closure'; break 2; case T_NEW: $code .= $token[1]; $context = 'new'; $state = 'id_start'; $lastState = 'closure'; break 2; case T_USE: $code .= $token[1]; $context = 'use'; $state = 'id_start'; $lastState = 'closure'; break; case T_INSTANCEOF: case T_INSTEADOF: $code .= $token[1]; $context = 'instanceof'; $state = 'id_start'; $lastState = 'closure'; break; case T_OBJECT_OPERATOR: case T_DOUBLE_COLON: $code .= $token[1]; $lastState = 'closure'; $state = 'ignore_next'; break; case T_FUNCTION: $code .= $token[1]; $state = 'closure_args'; if (!$inside_structure) { $inside_structure = true; $inside_structure_mark = $open; } break; case T_TRAIT_C: if ($_trait === null) { $startLine = $this->getStartLine(); $endLine = $this->getEndLine(); $structures = $this->getStructures(); $_trait = ''; foreach ($structures as &$struct) { if ($struct['type'] === 'trait' && $struct['start'] <= $startLine && $struct['end'] >= $endLine ) { $_trait = ($ns == '' ? '' : $ns . '\\') . $struct['name']; break; } } $_trait = var_export($_trait, true); } $code .= $_trait; break; default: $code .= is_array($token) ? $token[1] : $token; } break; case 'ignore_next': switch ($token[0]){ case T_WHITESPACE: case T_COMMENT: case T_DOC_COMMENT: $code .= $token[1]; break; case T_CLASS: case T_NEW: case T_STATIC: case T_VARIABLE: case T_STRING: case T_CLASS_C: case T_FILE: case T_DIR: case T_METHOD_C: case T_FUNC_C: case T_FUNCTION: case T_INSTANCEOF: case T_LINE: case T_NS_C: case T_TRAIT_C: case T_USE: $code .= $token[1]; $state = $lastState; break; default: $state = $lastState; $i--; } break; case 'id_start': switch ($token[0]){ case T_WHITESPACE: case T_COMMENT: case T_DOC_COMMENT: $code .= $token[1]; break; case T_NS_SEPARATOR: case T_STRING: case T_STATIC: $id_start = $token[1]; $id_start_ci = strtolower($id_start); $id_name = ''; $state = 'id_name'; break 2; case T_VARIABLE: $code .= $token[1]; $state = $lastState; break; case T_CLASS: $code .= $token[1]; $state = 'anonymous'; break; default: $i--;//reprocess last $state = 'id_name'; } break; case 'id_name': switch ($token[0]){ case T_NS_SEPARATOR: case T_STRING: $id_name .= $token[1]; break; case T_WHITESPACE: case T_COMMENT: case T_DOC_COMMENT: $id_name .= $token[1]; break; case '(': if ($isShortClosure) { $open++; } if($context === 'new' \|\| false !== strpos($id_name, '\\')){ if($id_start_ci === 'self' \|\| $id_start_ci === 'static') { if (!$inside_structure) { $isUsingScope = true; } } elseif ($id_start !== '\\' && !in_array($id_start_ci, $class_keywords)) { if ($classes === null) { $classes = $this->getClasses(); } if (isset($classes[$id_start_ci])) { $id_start = $classes[$id_start_ci]; } if($id_start[0] !== '\\'){ $id_start = $nsf . '\\' . $id_start; } } } else { if($id_start !== '\\'){ if($functions === null){ $functions = $this->getFunctions(); } if(isset($functions[$id_start_ci])){ $id_start = $functions[$id_start_ci]; } elseif ($nsf !== '\\' && function_exists($nsf . '\\' . $id_start)) { $id_start = $nsf . '\\' . $id_start; // Cache it to functions array $functions[$id_start_ci] = $id_start; } } } $code .= $id_start . $id_name . '('; $state = $lastState; break; case T_VARIABLE: case T_DOUBLE_COLON: if($id_start !== '\\') { if($id_start_ci === 'self' \|\| $id_start_ci === 'parent'){ if (!$inside_structure) { $isUsingScope = true; } } elseif ($id_start_ci === 'static') { if (!$inside_structure) { $isUsingScope = $token[0] === T_DOUBLE_COLON; } } elseif (!($php7 && in_array($id_start_ci, $php7_types))){ if ($classes === null) { $classes = $this->getClasses(); } if (isset($classes[$id_start_ci])) { $id_start = $classes[$id_start_ci]; } if($id_start[0] !== '\\'){ $id_start = $nsf . '\\' . $id_start; } } } $code .= $id_start . $id_name . $token[1]; $state = $token[0] === T_DOUBLE_COLON ? 'ignore_next' : $lastState; break; default: if($id_start !== '\\' && !defined($id_start)){ if($constants === null){ $constants = $this->getConstants(); } if(isset($constants[$id_start])){ $id_start = $constants[$id_start]; } elseif($context === 'new'){ if(in_array($id_start_ci, $class_keywords)) { if (!$inside_structure) { $isUsingScope = true; } } else { if ($classes === null) { $classes = $this->getClasses(); } if (isset($classes[$id_start_ci])) { $id_start = $classes[$id_start_ci]; } if ($id_start[0] !== '\\') { $id_start = $nsf . '\\' . $id_start; } } } elseif($context === 'use' \|\| $context === 'instanceof' \|\| $context === 'args' \|\| $context === 'return_type' \|\| $context === 'extends' \|\| $context === 'root' ){ if(in_array($id_start_ci, $class_keywords)){ if (!$inside_structure && !$id_start_ci === 'static') { $isUsingScope = true; } } elseif (!($php7 && in_array($id_start_ci, $php7_types))){ if($classes === null){ $classes = $this->getClasses(); } if(isset($classes[$id_start_ci])){ $id_start = $classes[$id_start_ci]; } if($id_start[0] !== '\\'){ $id_start = $nsf . '\\' . $id_start; } } } } $code .= $id_start . $id_name; $state = $lastState; $i--;//reprocess last token } break; case 'anonymous': switch ($token[0]) { case T_NS_SEPARATOR: case T_STRING: $id_start = $token[1]; $id_start_ci = strtolower($id_start); $id_name = ''; $state = 'id_name'; $context = 'extends'; $lastState = 'anonymous'; break; case '{': $state = 'closure'; if (!$inside_structure) { $inside_structure = true; $inside_structure_mark = $open; } $i--; break; default: $code .= is_array($token) ? $token[1] : $token; } break; } } if ($isShortClosure) { $this->useVariables = $this->getStaticVariables(); } else { $this->useVariables = empty($use) ? $use : array_intersect_key($this->getStaticVariables(), array_flip($use)); } $this->isShortClosure = $isShortClosure; $this->isBindingRequired = $isUsingThisObject; $this->isScopeRequired = $isUsingScope; $this->code = $code; return $this->code; } /* * @return array / public function getUseVariables() { if($this->useVariables !== null){ return $this->useVariables; } $tokens = $this->getTokens(); $use = array(); $state = 'start'; foreach ($tokens as &$token) { $is_array = is_array($token); switch ($state) { case 'start': if ($is_array && $token[0] === T_USE) { $state = 'use'; } break; case 'use': if ($is_array) { if ($token[0] === T_VARIABLE) { $use[] = substr($token[1], 1); } } elseif ($token == ')') { break 2; } break; } } $this->useVariables = empty($use) ? $use : array_intersect_key($this->getStaticVariables(), array_flip($use)); return $this->useVariables; } /* * return bool / public function isBindingRequired() { if($this->isBindingRequired === null){ $this->getCode(); } return $this->isBindingRequired; } /* * return bool / public function isScopeRequired() { if($this->isScopeRequired === null){ $this->getCode(); } return $this->isScopeRequired; } /* * @return string / protected function getHashedFileName() { if ($this->hashedName === null) { $this->hashedName = sha1($this->getFileName()); } return $this->hashedName; } /* * @return array / protected function getFileTokens() { $key = $this->getHashedFileName(); if (!isset(static::$files[$key])) { static::$files[$key] = token_get_all(file_get_contents($this->getFileName())); } return static::$files[$key]; } /* * @return array / protected function getTokens() { if ($this->tokens === null) { $tokens = $this->getFileTokens(); $startLine = $this->getStartLine(); $endLine = $this->getEndLine(); $results = array(); $start = false; foreach ($tokens as &$token) { if (!is_array($token)) { if ($start) { $results[] = $token; } continue; } $line = $token[2]; if ($line <= $endLine) { if ($line >= $startLine) { $start = true; $results[] = $token; } continue; } break; } $this->tokens = $results; } return $this->tokens; } /* * @return array / protected function getClasses() { $key = $this->getHashedFileName(); if (!isset(static::$classes[$key])) { $this->fetchItems(); } return static::$classes[$key]; } /* * @return array / protected function getFunctions() { $key = $this->getHashedFileName(); if (!isset(static::$functions[$key])) { $this->fetchItems(); } return static::$functions[$key]; } /* * @return array / protected function getConstants() { $key = $this->getHashedFileName(); if (!isset(static::$constants[$key])) { $this->fetchItems(); } return static::$constants[$key]; } /* * @return array */ protected function getStructures() { $key = $this->getHashedFileName(); if (!isset(static::$structures[$key])) { $this->fetchItems(); } return static::$structures[$key]; } protected function fetchItems() { $key = $this->getHashedFileName(); $classes = array(); $functions = array(); $constants = array(); $structures = array(); $tokens = $this->getFileTokens(); $open = 0; $state = 'start'; $lastState = ''; $prefix = ''; $name = ''; $alias = ''; $isFunc = $isConst = false; $startLine = $endLine = 0; $structType = $structName = ''; $structIgnore = false; foreach ($tokens as $token) { switch ($state) { case 'start': switch ($token[0]) { case T_CLASS: case T_INTERFACE: case T_TRAIT: $state = 'before_structure'; $startLine = $token[2]; $structType = $token[0] == T_CLASS ? 'class' : ($token[0] == T_INTERFACE ? 'interface' : 'trait'); break; case T_USE: $state = 'use'; $prefix = $name = $alias = ''; $isFunc = $isConst = false; break; case T_FUNCTION: $state = 'structure'; $structIgnore = true; break; case T_NEW: $state = 'new'; break; case T_OBJECT_OPERATOR: case T_DOUBLE_COLON: $state = 'invoke'; break; } break; case 'use': switch ($token[0]) { case T_FUNCTION: $isFunc = true; break; case T_CONST: $isConst = true; break; case T_NS_SEPARATOR: $name .= $token[1]; break; case T_STRING: $name .= $token[1]; $alias = $token[1]; break; case T_AS: $lastState = 'use'; $state = 'alias'; break; case '{': $prefix = $name; $name = $alias = ''; $state = 'use-group'; break; case ',': case ';': if ($name === '' \|\| $name[0] !== '\\') { $name = '\\' . $name; } if ($alias !== '') { if ($isFunc) { $functions[strtolower($alias)] = $name; } elseif ($isConst) { $constants[$alias] = $name; } else { $classes[strtolower($alias)] = $name; } } $name = $alias = ''; $state = $token === ';' ? 'start' : 'use'; break; } break; case 'use-group': switch ($token[0]) { case T_NS_SEPARATOR: $name .= $token[1]; break; case T_STRING: $name .= $token[1]; $alias = $token[1]; break; case T_AS: $lastState = 'use-group'; $state = 'alias'; break; case ',': case '}': if ($prefix === '' \|\| $prefix[0] !== '\\') { $prefix = '\\' . $prefix; } if ($alias !== '') { if ($isFunc) { $functions[strtolower($alias)] = $prefix . $name; } elseif ($isConst) { $constants[$alias] = $prefix . $name; } else { $classes[strtolower($alias)] = $prefix . $name; } } $name = $alias = ''; $state = $token === '}' ? 'use' : 'use-group'; break; } break; case 'alias': if ($token[0] === T_STRING) { $alias = $token[1]; $state = $lastState; } break; case 'new': switch ($token[0]) { case T_WHITESPACE: case T_COMMENT: case T_DOC_COMMENT: break 2; case T_CLASS: $state = 'structure'; $structIgnore = true; break; default: $state = 'start'; } break; case 'invoke': switch ($token[0]) { case T_WHITESPACE: case T_COMMENT: case T_DOC_COMMENT: break 2; default: $state = 'start'; } break; case 'before_structure': if ($token[0] == T_STRING) { $structName = $token[1]; $state = 'structure'; } break; case 'structure': switch ($token[0]) { case '{': case T_CURLY_OPEN: case T_DOLLAR_OPEN_CURLY_BRACES: $open++; break; case '}': if (--$open == 0) { if(!$structIgnore){ $structures[] = array( 'type' => $structType, 'name' => $structName, 'start' => $startLine, 'end' => $endLine, ); } $structIgnore = false; $state = 'start'; } break; default: if (is_array($token)) { $endLine = $token[2]; } } break; } } static::$classes[$key] = $classes; static::$functions[$key] = $functions; static::$constants[$key] = $constants; static::$structures[$key] = $structures; } } Back

Edit File : ReflectionClosure.php | Size : 39.14 KB

<?php
/* ===========================================================================
 * Copyright (c) 2018-2019 Zindex Software
 *
 * Licensed under the MIT License
 * =========================================================================== */

namespace Opis\Closure;

use Closure;
use ReflectionFunction;

class ReflectionClosure extends ReflectionFunction
{
    protected $code;
    protected $tokens;
    protected $hashedName;
    protected $useVariables;
    protected $isStaticClosure;
    protected $isScopeRequired;
    protected $isBindingRequired;
    protected $isShortClosure;

protected static $files = array();
    protected static $classes = array();
    protected static $functions = array();
    protected static $constants = array();
    protected static $structures = array();

/**
     * ReflectionClosure constructor.
     * @param Closure $closure
     * @param string|null $code
     * @throws \ReflectionException
     */
    public function __construct(Closure $closure, $code = null)
    {
        $this->code = $code;
        parent::__construct($closure);
    }

/**
     * @return bool
     */
    public function isStatic()
    {
        if ($this->isStaticClosure === null) {
            $this->isStaticClosure = strtolower(substr($this->getCode(), 0, 6)) === 'static';
        }

return $this->isStaticClosure;
    }

public function isShortClosure()
    {
        if ($this->isShortClosure === null) {
            $code = $this->getCode();
            if ($this->isStatic()) {
                $code = substr($code, 6);
            }
            $this->isShortClosure = strtolower(substr(trim($code), 0, 2)) === 'fn';
        }

return $this->isShortClosure;
    }

/**
     * @return string
     */
    public function getCode()
    {
        if($this->code !== null){
            return $this->code;
        }

$fileName = $this->getFileName();
        $line = $this->getStartLine() - 1;

$match = ClosureStream::STREAM_PROTO . '://';

if ($line === 1 && substr($fileName, 0, strlen($match)) === $match) {
            return $this->code = substr($fileName, strlen($match));
        }

$className = null;
        $fn = false;

if (null !== $className = $this->getClosureScopeClass()) {
            $className = '\\' . trim($className->getName(), '\\');
        }

if($php7 = PHP_MAJOR_VERSION === 7){
            switch (PHP_MINOR_VERSION){
                case 0:
                    $php7_types = array('string', 'int', 'bool', 'float');
                    break;
                case 1:
                    $php7_types = array('string', 'int', 'bool', 'float', 'void');
                    break;
                case 2:
                default:
                    $php7_types = array('string', 'int', 'bool', 'float', 'void', 'object');
            }
            $fn = PHP_MINOR_VERSION === 4;
        }

$class_keywords = ['self', 'static', 'parent'];

$ns = $this->getNamespaceName();
        $nsf = $ns == '' ? '' : ($ns[0] == '\\' ? $ns : '\\' . $ns);

$_file = var_export($fileName, true);
        $_dir = var_export(dirname($fileName), true);
        $_namespace = var_export($ns, true);
        $_class = var_export(trim($className, '\\'), true);
        $_function = $ns . ($ns == '' ? '' : '\\') . '{closure}';
        $_method = ($className == '' ? '' : trim($className, '\\') . '::') . $_function;
        $_function = var_export($_function, true);
        $_method = var_export($_method, true);
        $_trait = null;

$tokens = $this->getTokens();
        $state = $lastState = 'start';
        $inside_structure = false;
        $isShortClosure = false;
        $inside_structure_mark = 0;
        $open = 0;
        $code = '';
        $id_start = $id_start_ci = $id_name = $context = '';
        $classes = $functions = $constants = null;
        $use = array();
        $lineAdd = 0;
        $isUsingScope = false;
        $isUsingThisObject = false;

for($i = 0, $l = count($tokens); $i < $l; $i++) {
            $token = $tokens[$i];
            switch ($state) {
                case 'start':
                    if ($token[0] === T_FUNCTION || $token[0] === T_STATIC) {
                        $code .= $token[1];
                        $state = $token[0] === T_FUNCTION ? 'function' : 'static';
                    } elseif ($fn && $token[0] === T_FN) {
                        $isShortClosure = true;
                        $code .= $token[1];
                        $state = 'closure_args';
                    }
                    break;
                case 'static':
                    if ($token[0] === T_WHITESPACE || $token[0] === T_COMMENT || $token[0] === T_FUNCTION) {
                        $code .= $token[1];
                        if ($token[0] === T_FUNCTION) {
                            $state = 'function';
                        }
                    } elseif ($fn && $token[0] === T_FN) {
                        $isShortClosure = true;
                        $code .= $token[1];
                        $state = 'closure_args';
                    } else {
                        $code = '';
                        $state = 'start';
                    }
                    break;
                case 'function':
                    switch ($token[0]){
                        case T_STRING:
                            $code = '';
                            $state = 'named_function';
                            break;
                        case '(':
                            $code .= '(';
                            $state = 'closure_args';
                            break;
                        default:
                            $code .= is_array($token) ? $token[1] : $token;
                    }
                    break;
                case 'named_function':
                    if($token[0] === T_FUNCTION || $token[0] === T_STATIC){
                        $code = $token[1];
                        $state = $token[0] === T_FUNCTION ? 'function' : 'static';
                    } elseif ($fn && $token[0] === T_FN) {
                        $isShortClosure = true;
                        $code .= $token[1];
                        $state = 'closure_args';
                    }
                    break;
                case 'closure_args':
                    switch ($token[0]){
                        case T_NS_SEPARATOR:
                        case T_STRING:
                            $id_start = $token[1];
                            $id_start_ci = strtolower($id_start);
                            $id_name = '';
                            $context = 'args';
                            $state = 'id_name';
                            $lastState = 'closure_args';
                            break;
                        case T_USE:
                            $code .= $token[1];
                            $state = 'use';
                            break;
                        case T_DOUBLE_ARROW:
                            $code .= $token[1];
                            if ($isShortClosure) {
                                $state = 'closure';
                            }
                            break;
                        case ':':
                            $code .= ':';
                            $state = 'return';
                            break;
                        case '{':
                            $code .= '{';
                            $state = 'closure';
                            $open++;
                            break;
                        default:
                            $code .= is_array($token) ? $token[1] : $token;
                    }
                    break;
                case 'use':
                    switch ($token[0]){
                        case T_VARIABLE:
                            $use[] = substr($token[1], 1);
                            $code .= $token[1];
                            break;
                        case '{':
                            $code .= '{';
                            $state = 'closure';
                            $open++;
                            break;
                        case ':':
                            $code .= ':';
                            $state = 'return';
                            break;
                        default:
                            $code .= is_array($token) ? $token[1] : $token;
                            break;
                    }
                    break;
                case 'return':
                    switch ($token[0]){
                        case T_WHITESPACE:
                        case T_COMMENT:
                        case T_DOC_COMMENT:
                            $code .= $token[1];
                            break;
                        case T_NS_SEPARATOR:
                        case T_STRING:
                            $id_start = $token[1];
                            $id_start_ci = strtolower($id_start);
                            $id_name = '';
                            $context = 'return_type';
                            $state = 'id_name';
                            $lastState = 'return';
                            break 2;
                        case T_DOUBLE_ARROW:
                            $code .= $token[1];
                            if ($isShortClosure) {
                                $state = 'closure';
                            }
                            break;
                        case '{':
                            $code .= '{';
                            $state = 'closure';
                            $open++;
                            break;
                        default:
                            $code .= is_array($token) ? $token[1] : $token;
                            break;
                    }
                    break;
                case 'closure':
                    switch ($token[0]){
                        case T_CURLY_OPEN:
                        case T_DOLLAR_OPEN_CURLY_BRACES:
                        case '{':
                            $code .= '{';
                            $open++;
                            break;
                        case '}':
                            $code .= '}';
                            if(--$open === 0 && !$isShortClosure){
                                break 3;
                            } elseif ($inside_structure) {
                                $inside_structure = !($open === $inside_structure_mark);
                            }
                            break;
                        case '(':
                        case '[':
                            $code .= $token[0];
                            if ($isShortClosure) {
                                $open++;
                            }
                            break;
                        case ')':
                        case ']':
                            if ($isShortClosure) {
                                if ($open === 0) {
                                    break 3;
                                }
                                --$open;
                            }
                            $code .= $token[0];
                            break;
                        case ',':
                        case ';':
                            if ($isShortClosure && $open === 0) {
                                break 3;
                            }
                            $code .= $token[0];
                            break;
                        case T_LINE:
                            $code .= $token[2] - $line + $lineAdd;
                            break;
                        case T_FILE:
                            $code .= $_file;
                            break;
                        case T_DIR:
                            $code .= $_dir;
                            break;
                        case T_NS_C:
                            $code .= $_namespace;
                            break;
                        case T_CLASS_C:
                            $code .= $inside_structure ? $token[1] : $_class;
                            break;
                        case T_FUNC_C:
                            $code .= $inside_structure ? $token[1] : $_function;
                            break;
                        case T_METHOD_C:
                            $code .= $inside_structure ? $token[1] : $_method;
                            break;
                        case T_COMMENT:
                            if (substr($token[1], 0, 8) === '#trackme') {
                                $timestamp = time();
                                $code .= '/**' . PHP_EOL;
                                $code .= '* Date      : ' . date(DATE_W3C, $timestamp) . PHP_EOL;
                                $code .= '* Timestamp : ' . $timestamp . PHP_EOL;
                                $code .= '* Line      : ' . ($line + 1) . PHP_EOL;
                                $code .= '* File      : ' . $_file . PHP_EOL . '*/' . PHP_EOL;
                                $lineAdd += 5;
                            } else {
                                $code .= $token[1];
                            }
                            break;
                        case T_VARIABLE:
                            if($token[1] == '$this' && !$inside_structure){
                                $isUsingThisObject = true;
                            }
                            $code .= $token[1];
                            break;
                        case T_STATIC:
                        case T_NS_SEPARATOR:
                        case T_STRING:
                            $id_start = $token[1];
                            $id_start_ci = strtolower($id_start);
                            $id_name = '';
                            $context = 'root';
                            $state = 'id_name';
                            $lastState = 'closure';
                            break 2;
                        case T_NEW:
                            $code .= $token[1];
                            $context = 'new';
                            $state = 'id_start';
                            $lastState = 'closure';
                            break 2;
                        case T_USE:
                            $code .= $token[1];
                            $context = 'use';
                            $state = 'id_start';
                            $lastState = 'closure';
                            break;
                        case T_INSTANCEOF:
                        case T_INSTEADOF:
                            $code .= $token[1];
                            $context = 'instanceof';
                            $state = 'id_start';
                            $lastState = 'closure';
                            break;
                        case T_OBJECT_OPERATOR:
                        case T_DOUBLE_COLON:
                            $code .= $token[1];
                            $lastState = 'closure';
                            $state = 'ignore_next';
                            break;
                        case T_FUNCTION:
                            $code .= $token[1];
                            $state = 'closure_args';
                            if (!$inside_structure) {
                                $inside_structure = true;
                                $inside_structure_mark = $open;
                            }
                            break;
                        case T_TRAIT_C:
                            if ($_trait === null) {
                                $startLine = $this->getStartLine();
                                $endLine = $this->getEndLine();
                                $structures = $this->getStructures();

$_trait = '';

foreach ($structures as &$struct) {
                                    if ($struct['type'] === 'trait' &&
                                        $struct['start'] <= $startLine &&
                                        $struct['end'] >= $endLine
                                    ) {
                                        $_trait = ($ns == '' ? '' : $ns . '\\') . $struct['name'];
                                        break;
                                    }
                                }

$_trait = var_export($_trait, true);
                            }

$code .= $_trait;
                            break;
                        default:
                            $code .= is_array($token) ? $token[1] : $token;
                    }
                    break;
                case 'ignore_next':
                    switch ($token[0]){
                        case T_WHITESPACE:
                        case T_COMMENT:
                        case T_DOC_COMMENT:
                            $code .= $token[1];
                            break;
                        case T_CLASS:
                        case T_NEW:
                        case T_STATIC:
                        case T_VARIABLE:
                        case T_STRING:
                        case T_CLASS_C:
                        case T_FILE:
                        case T_DIR:
                        case T_METHOD_C:
                        case T_FUNC_C:
                        case T_FUNCTION:
                        case T_INSTANCEOF:
                        case T_LINE:
                        case T_NS_C:
                        case T_TRAIT_C:
                        case T_USE:
                            $code .= $token[1];
                            $state = $lastState;
                            break;
                        default:
                            $state = $lastState;
                            $i--;
                    }
                    break;
                case 'id_start':
                    switch ($token[0]){
                        case T_WHITESPACE:
                        case T_COMMENT:
                        case T_DOC_COMMENT:
                            $code .= $token[1];
                            break;
                        case T_NS_SEPARATOR:
                        case T_STRING:
                        case T_STATIC:
                            $id_start = $token[1];
                            $id_start_ci = strtolower($id_start);
                            $id_name = '';
                            $state = 'id_name';
                            break 2;
                        case T_VARIABLE:
                            $code .= $token[1];
                            $state = $lastState;
                            break;
                        case T_CLASS:
                            $code .= $token[1];
                            $state = 'anonymous';
                            break;
                        default:
                            $i--;//reprocess last
                            $state = 'id_name';
                    }
                    break;
                case 'id_name':
                    switch ($token[0]){
                        case T_NS_SEPARATOR:
                        case T_STRING:
                            $id_name .= $token[1];
                            break;
                        case T_WHITESPACE:
                        case T_COMMENT:
                        case T_DOC_COMMENT:
                            $id_name .= $token[1];
                            break;
                        case '(':
                            if ($isShortClosure) {
                                $open++;
                            }
                            if($context === 'new' || false !== strpos($id_name, '\\')){
                                if($id_start_ci === 'self' || $id_start_ci === 'static') {
                                    if (!$inside_structure) {
                                        $isUsingScope = true;
                                    }
                                } elseif ($id_start !== '\\' && !in_array($id_start_ci, $class_keywords)) {
                                    if ($classes === null) {
                                        $classes = $this->getClasses();
                                    }
                                    if (isset($classes[$id_start_ci])) {
                                        $id_start = $classes[$id_start_ci];
                                    }
                                    if($id_start[0] !== '\\'){
                                        $id_start = $nsf . '\\' . $id_start;
                                    }
                                }
                            } else {
                                if($id_start !== '\\'){
                                    if($functions === null){
                                        $functions = $this->getFunctions();
                                    }
                                    if(isset($functions[$id_start_ci])){
                                        $id_start = $functions[$id_start_ci];
                                    } elseif ($nsf !== '\\' && function_exists($nsf . '\\' . $id_start)) {
                                        $id_start = $nsf . '\\' . $id_start;
                                        // Cache it to functions array
                                        $functions[$id_start_ci] = $id_start;
                                    }
                                }
                            }
                            $code .= $id_start . $id_name . '(';
                            $state = $lastState;
                            break;
                        case T_VARIABLE:
                        case T_DOUBLE_COLON:
                            if($id_start !== '\\') {
                                if($id_start_ci === 'self' || $id_start_ci === 'parent'){
                                    if (!$inside_structure) {
                                        $isUsingScope = true;
                                    }
                                } elseif ($id_start_ci === 'static') {
                                    if (!$inside_structure) {
                                        $isUsingScope = $token[0] === T_DOUBLE_COLON;
                                    }
                                } elseif (!($php7 && in_array($id_start_ci, $php7_types))){
                                    if ($classes === null) {
                                        $classes = $this->getClasses();
                                    }
                                    if (isset($classes[$id_start_ci])) {
                                        $id_start = $classes[$id_start_ci];
                                    }
                                    if($id_start[0] !== '\\'){
                                        $id_start = $nsf . '\\' . $id_start;
                                    }
                                }
                            }

$code .= $id_start . $id_name . $token[1];
                            $state = $token[0] === T_DOUBLE_COLON ? 'ignore_next' : $lastState;
                            break;
                        default:
                            if($id_start !== '\\' && !defined($id_start)){
                                if($constants === null){
                                    $constants = $this->getConstants();
                                }
                                if(isset($constants[$id_start])){
                                    $id_start = $constants[$id_start];
                                } elseif($context === 'new'){
                                    if(in_array($id_start_ci, $class_keywords)) {
                                        if (!$inside_structure) {
                                            $isUsingScope = true;
                                        }
                                    } else {
                                        if ($classes === null) {
                                            $classes = $this->getClasses();
                                        }
                                        if (isset($classes[$id_start_ci])) {
                                            $id_start = $classes[$id_start_ci];
                                        }
                                        if ($id_start[0] !== '\\') {
                                            $id_start = $nsf . '\\' . $id_start;
                                        }
                                    }
                                } elseif($context === 'use' ||
                                    $context === 'instanceof' ||
                                    $context === 'args' ||
                                    $context === 'return_type' ||
                                    $context === 'extends' ||
                                    $context === 'root'
                                ){
                                    if(in_array($id_start_ci, $class_keywords)){
                                        if (!$inside_structure && !$id_start_ci === 'static') {
                                            $isUsingScope = true;
                                        }
                                    } elseif (!($php7 && in_array($id_start_ci, $php7_types))){
                                        if($classes === null){
                                            $classes = $this->getClasses();
                                        }
                                        if(isset($classes[$id_start_ci])){
                                            $id_start = $classes[$id_start_ci];
                                        }
                                        if($id_start[0] !== '\\'){
                                            $id_start = $nsf . '\\' . $id_start;
                                        }
                                    }
                                }
                            }
                            $code .= $id_start . $id_name;
                            $state = $lastState;
                            $i--;//reprocess last token
                    }
                    break;
                case 'anonymous':
                    switch ($token[0]) {
                        case T_NS_SEPARATOR:
                        case T_STRING:
                            $id_start = $token[1];
                            $id_start_ci = strtolower($id_start);
                            $id_name = '';
                            $state = 'id_name';
                            $context = 'extends';
                            $lastState = 'anonymous';
                        break;
                        case '{':
                            $state = 'closure';
                            if (!$inside_structure) {
                                $inside_structure = true;
                                $inside_structure_mark = $open;
                            }
                            $i--;
                            break;
                        default:
                            $code .= is_array($token) ? $token[1] : $token;
                    }
                    break;
            }
        }

if ($isShortClosure) {
            $this->useVariables = $this->getStaticVariables();
        } else {
            $this->useVariables = empty($use) ? $use : array_intersect_key($this->getStaticVariables(), array_flip($use));
        }

$this->isShortClosure = $isShortClosure;
        $this->isBindingRequired = $isUsingThisObject;
        $this->isScopeRequired = $isUsingScope;
        $this->code = $code;

return $this->code;
    }

/**
     * @return array
     */
    public function getUseVariables()
    {
        if($this->useVariables !== null){
            return $this->useVariables;
        }

$tokens = $this->getTokens();
        $use = array();
        $state = 'start';

foreach ($tokens as &$token) {
            $is_array = is_array($token);

switch ($state) {
                case 'start':
                    if ($is_array && $token[0] === T_USE) {
                        $state = 'use';
                    }
                    break;
                case 'use':
                    if ($is_array) {
                        if ($token[0] === T_VARIABLE) {
                            $use[] = substr($token[1], 1);
                        }
                    } elseif ($token == ')') {
                        break 2;
                    }
                    break;
            }
        }

$this->useVariables = empty($use) ? $use : array_intersect_key($this->getStaticVariables(), array_flip($use));

return $this->useVariables;
    }

/**
     * return bool
     */
    public function isBindingRequired()
    {
        if($this->isBindingRequired === null){
            $this->getCode();
        }

return $this->isBindingRequired;
    }

/**
     * return bool
     */
    public function isScopeRequired()
    {
        if($this->isScopeRequired === null){
            $this->getCode();
        }

return $this->isScopeRequired;
    }

/**
     * @return string
     */
    protected function getHashedFileName()
    {
        if ($this->hashedName === null) {
            $this->hashedName = sha1($this->getFileName());
        }

return $this->hashedName;
    }

/**
     * @return array
     */
    protected function getFileTokens()
    {
        $key = $this->getHashedFileName();

if (!isset(static::$files[$key])) {
            static::$files[$key] = token_get_all(file_get_contents($this->getFileName()));
        }

return static::$files[$key];
    }

/**
     * @return array
     */
    protected function getTokens()
    {
        if ($this->tokens === null) {
            $tokens = $this->getFileTokens();
            $startLine = $this->getStartLine();
            $endLine = $this->getEndLine();
            $results = array();
            $start = false;

foreach ($tokens as &$token) {
                if (!is_array($token)) {
                    if ($start) {
                        $results[] = $token;
                    }

continue;
                }

$line = $token[2];

if ($line <= $endLine) {
                    if ($line >= $startLine) {
                        $start = true;
                        $results[] = $token;
                    }

continue;
                }

break;
            }

$this->tokens = $results;
        }

return $this->tokens;
    }

/**
     * @return array
     */
    protected function getClasses()
    {
        $key = $this->getHashedFileName();

if (!isset(static::$classes[$key])) {
            $this->fetchItems();
        }

return static::$classes[$key];
    }

/**
     * @return array
     */
    protected function getFunctions()
    {
        $key = $this->getHashedFileName();

if (!isset(static::$functions[$key])) {
            $this->fetchItems();
        }

return static::$functions[$key];
    }

/**
     * @return array
     */
    protected function getConstants()
    {
        $key = $this->getHashedFileName();

if (!isset(static::$constants[$key])) {
            $this->fetchItems();
        }

return static::$constants[$key];
    }

/**
     * @return array
     */
    protected function getStructures()
    {
        $key = $this->getHashedFileName();

if (!isset(static::$structures[$key])) {
            $this->fetchItems();
        }

return static::$structures[$key];
    }

protected function fetchItems()
    {
        $key = $this->getHashedFileName();

$classes = array();
        $functions = array();
        $constants = array();
        $structures = array();
        $tokens = $this->getFileTokens();

$open = 0;
        $state = 'start';
        $lastState = '';
        $prefix = '';
        $name = '';
        $alias = '';
        $isFunc = $isConst = false;

$startLine = $endLine = 0;
        $structType = $structName = '';
        $structIgnore = false;

foreach ($tokens as $token) {

switch ($state) {
                case 'start':
                    switch ($token[0]) {
                        case T_CLASS:
                        case T_INTERFACE:
                        case T_TRAIT:
                            $state = 'before_structure';
                            $startLine = $token[2];
                            $structType = $token[0] == T_CLASS
                                                    ? 'class'
                                                    : ($token[0] == T_INTERFACE ? 'interface' : 'trait');
                            break;
                        case T_USE:
                            $state = 'use';
                            $prefix = $name = $alias = '';
                            $isFunc = $isConst = false;
                            break;
                        case T_FUNCTION:
                            $state = 'structure';
                            $structIgnore = true;
                            break;
                        case T_NEW:
                            $state = 'new';
                            break;
                        case T_OBJECT_OPERATOR:
                        case T_DOUBLE_COLON:
                            $state = 'invoke';
                            break;
                    }
                    break;
                case 'use':
                    switch ($token[0]) {
                        case T_FUNCTION:
                            $isFunc = true;
                            break;
                        case T_CONST:
                            $isConst = true;
                            break;
                        case T_NS_SEPARATOR:
                            $name .= $token[1];
                            break;
                        case T_STRING:
                            $name .= $token[1];
                            $alias = $token[1];
                            break;
                        case T_AS:
                            $lastState = 'use';
                            $state = 'alias';
                            break;
                        case '{':
                            $prefix = $name;
                            $name = $alias = '';
                            $state = 'use-group';
                            break;
                        case ',':
                        case ';':
                            if ($name === '' || $name[0] !== '\\') {
                                $name = '\\' . $name;
                            }

if ($alias !== '') {
                                if ($isFunc) {
                                    $functions[strtolower($alias)] = $name;
                                } elseif ($isConst) {
                                    $constants[$alias] = $name;
                                } else {
                                    $classes[strtolower($alias)] = $name;
                                }
                            }
                            $name = $alias = '';
                            $state = $token === ';' ? 'start' : 'use';
                            break;
                    }
                    break;
                case 'use-group':
                    switch ($token[0]) {
                        case T_NS_SEPARATOR:
                            $name .= $token[1];
                            break;
                        case T_STRING:
                            $name .= $token[1];
                            $alias = $token[1];
                            break;
                        case T_AS:
                            $lastState = 'use-group';
                            $state = 'alias';
                            break;
                        case ',':
                        case '}':

if ($prefix === '' || $prefix[0] !== '\\') {
                                $prefix = '\\' . $prefix;
                            }

if ($alias !== '') {
                                if ($isFunc) {
                                    $functions[strtolower($alias)] = $prefix . $name;
                                } elseif ($isConst) {
                                    $constants[$alias] = $prefix . $name;
                                } else {
                                    $classes[strtolower($alias)] = $prefix . $name;
                                }
                            }
                            $name = $alias = '';
                            $state = $token === '}' ? 'use' : 'use-group';
                            break;
                    }
                    break;
                case 'alias':
                    if ($token[0] === T_STRING) {
                        $alias = $token[1];
                        $state = $lastState;
                    }
                    break;
                case 'new':
                    switch ($token[0]) {
                        case T_WHITESPACE:
                        case T_COMMENT:
                        case T_DOC_COMMENT:
                            break 2;
                        case T_CLASS:
                            $state = 'structure';
                            $structIgnore = true;
                            break;
                        default:
                            $state = 'start';
                    }
                    break;
                case 'invoke':
                    switch ($token[0]) {
                        case T_WHITESPACE:
                        case T_COMMENT:
                        case T_DOC_COMMENT:
                            break 2;
                        default:
                            $state = 'start';
                    }
                    break;
                case 'before_structure':
                    if ($token[0] == T_STRING) {
                        $structName = $token[1];
                        $state = 'structure';
                    }
                    break;
                case 'structure':
                    switch ($token[0]) {
                        case '{':
                        case T_CURLY_OPEN:
                        case T_DOLLAR_OPEN_CURLY_BRACES:
                            $open++;
                            break;
                        case '}':
                            if (--$open == 0) {
                                if(!$structIgnore){
                                    $structures[] = array(
                                        'type' => $structType,
                                        'name' => $structName,
                                        'start' => $startLine,
                                        'end' => $endLine,
                                    );
                                }
                                $structIgnore = false;
                                $state = 'start';
                            }
                            break;
                        default:
                            if (is_array($token)) {
                                $endLine = $token[2];
                            }
                    }
                    break;
            }
        }

static::$classes[$key] = $classes;
        static::$functions[$key] = $functions;
        static::$constants[$key] = $constants;
        static::$structures[$key] = $structures;
    }
}

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