This file is indexed.

/usr/share/php/PHP/Token.php is in php-token-stream 1.1.3-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
<?php
/**
 * php-token-stream
 *
 * Copyright (c) 2009-2012, Sebastian Bergmann <sb@sebastian-bergmann.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package   PHP_TokenStream
 * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright 2009-2012 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @since     File available since Release 1.0.0
 */

/**
 * A PHP token.
 *
 * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright 2009-2012 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @version   Release: 1.1.3
 * @link      http://github.com/sebastianbergmann/php-token-stream/tree
 * @since     Class available since Release 1.0.0
 */
abstract class PHP_Token
{
    /**
     * @var string
     */
    protected $text;

    /**
     * @var integer
     */
    protected $line;

    /**
     * @var PHP_Token_Stream
     */
    protected $tokenStream;

    /**
     * @var integer
     */
    protected $id;

    /**
     * Constructor.
     *
     * @param string           $text
     * @param integer          $line
     * @param PHP_Token_Stream $tokenStream
     * @param integer          $id
     */
    public function __construct($text, $line, PHP_Token_Stream $tokenStream, $id)
    {
        $this->text        = $text;
        $this->line        = $line;
        $this->tokenStream = $tokenStream;
        $this->id          = $id;
    }

    /**
     * @return string
     */
    public function __toString()
    {
        return $this->text;
    }

    /**
     * @return integer
     */
    public function getLine()
    {
        return $this->line;
    }
}

abstract class PHP_TokenWithScope extends PHP_Token
{
    protected $endTokenId;

    /**
     * Get the docblock for this token
     *
     * This method will fetch the docblock belonging to the current token. The
     * docblock must be placed on the line directly above the token to be
     * recognized.
     *
     * @return string|null Returns the docblock as a string if found
     */
    public function getDocblock()
    {
        $tokens            = $this->tokenStream->tokens();
        $currentLineNumber = $tokens[$this->id]->getLine();
        $prevLineNumber    = $currentLineNumber - 1;

        for ($i = $this->id - 1; $i; $i--) {
            if (!isset($tokens[$i])) {
                return;
            }

            if ($tokens[$i] instanceof PHP_Token_FUNCTION ||
                $tokens[$i] instanceof PHP_Token_CLASS ||
                $tokens[$i] instanceof PHP_Token_TRAIT) {
                // Some other trait, class or function, no docblock can be
                // used for the current token
                break;
            }

            $line = $tokens[$i]->getLine();

            if ($line == $currentLineNumber ||
                ($line == $prevLineNumber &&
                 $tokens[$i] instanceof PHP_Token_WHITESPACE)) {
                continue;
            }

            if ($line < $currentLineNumber &&
                !$tokens[$i] instanceof PHP_Token_DOC_COMMENT) {
                break;
            }

            return (string)$tokens[$i];
        }
    }

    public function getEndTokenId()
    {
        $block  = 0;
        $i      = $this->id;
        $tokens = $this->tokenStream->tokens();

        while ($this->endTokenId === NULL && isset($tokens[$i])) {
            if ($tokens[$i] instanceof PHP_Token_OPEN_CURLY ||
                $tokens[$i] instanceof PHP_Token_CURLY_OPEN) {
                $block++;
            }

            else if ($tokens[$i] instanceof PHP_Token_CLOSE_CURLY) {
                $block--;

                if ($block === 0) {
                    $this->endTokenId = $i;
                }
            }

            else if (($this instanceof PHP_Token_FUNCTION || 
                $this instanceof PHP_Token_NAMESPACE) &&
                $tokens[$i] instanceof PHP_Token_SEMICOLON) {
                if ($block === 0) {
                    $this->endTokenId = $i;
                }
            }

            $i++;
        }

        if ($this->endTokenId === NULL) {
            $this->endTokenId = $this->id;
        }

        return $this->endTokenId;
    }

    public function getEndLine()
    {
        return $this->tokenStream[$this->getEndTokenId()]->getLine();
    }

}

abstract class PHP_TokenWithScopeAndVisibility extends PHP_TokenWithScope {

    public function getVisibility()
    {
        $tokens = $this->tokenStream->tokens();

        for ($i = $this->id - 2; $i > $this->id - 7; $i -= 2) {
            if (isset($tokens[$i]) &&
               ($tokens[$i] instanceof PHP_Token_PRIVATE ||
                $tokens[$i] instanceof PHP_Token_PROTECTED ||
                $tokens[$i] instanceof PHP_Token_PUBLIC)) {
                return strtolower(
                  str_replace('PHP_Token_', '', get_class($tokens[$i]))
                );
            }
            if (isset($tokens[$i]) &&
              !($tokens[$i] instanceof PHP_Token_STATIC ||
                $tokens[$i] instanceof PHP_Token_FINAL ||
                $tokens[$i] instanceof PHP_Token_ABSTRACT)) {
                // no keywords; stop visibility search
                break;
            }
        }
    }

    public function getKeywords()
    {
        $keywords = array();
        $tokens = $this->tokenStream->tokens();

        for ($i = $this->id - 2; $i > $this->id - 7; $i -= 2) {
            if (isset($tokens[$i]) &&
               ($tokens[$i] instanceof PHP_Token_PRIVATE ||
                $tokens[$i] instanceof PHP_Token_PROTECTED ||
                $tokens[$i] instanceof PHP_Token_PUBLIC)) {
                continue;
            }

            if (isset($tokens[$i]) &&
               ($tokens[$i] instanceof PHP_Token_STATIC ||
                $tokens[$i] instanceof PHP_Token_FINAL ||
                $tokens[$i] instanceof PHP_Token_ABSTRACT)) {
                $keywords[] = strtolower(
                  str_replace('PHP_Token_', '', get_class($tokens[$i]))
                );
            }
        }

        return implode(',', $keywords);
    }

}

abstract class PHP_Token_Includes extends PHP_Token
{
    protected $name;
    protected $type;

    public function getName()
    {
        if ($this->name !== NULL) {
            return $this->name;
        }

        $tokens = $this->tokenStream->tokens();

        if ($tokens[$this->id+2] instanceof PHP_Token_CONSTANT_ENCAPSED_STRING) {
            $this->name = trim($tokens[$this->id+2], "'\"");
            $this->type = strtolower(
              str_replace('PHP_Token_', '', get_class($tokens[$this->id]))
            );
        }

        return $this->name;
    }

    public function getType()
    {
        $this->getName();
        return $this->type;
    }
}

class PHP_Token_REQUIRE_ONCE extends PHP_Token_Includes {}
class PHP_Token_REQUIRE extends PHP_Token_Includes {}
class PHP_Token_EVAL extends PHP_Token {}
class PHP_Token_INCLUDE_ONCE extends PHP_Token_Includes {}
class PHP_Token_INCLUDE extends PHP_Token_Includes {}
class PHP_Token_LOGICAL_OR extends PHP_Token {}
class PHP_Token_LOGICAL_XOR extends PHP_Token {}
class PHP_Token_LOGICAL_AND extends PHP_Token {}
class PHP_Token_PRINT extends PHP_Token {}
class PHP_Token_SR_EQUAL extends PHP_Token {}
class PHP_Token_SL_EQUAL extends PHP_Token {}
class PHP_Token_XOR_EQUAL extends PHP_Token {}
class PHP_Token_OR_EQUAL extends PHP_Token {}
class PHP_Token_AND_EQUAL extends PHP_Token {}
class PHP_Token_MOD_EQUAL extends PHP_Token {}
class PHP_Token_CONCAT_EQUAL extends PHP_Token {}
class PHP_Token_DIV_EQUAL extends PHP_Token {}
class PHP_Token_MUL_EQUAL extends PHP_Token {}
class PHP_Token_MINUS_EQUAL extends PHP_Token {}
class PHP_Token_PLUS_EQUAL extends PHP_Token {}
class PHP_Token_BOOLEAN_OR extends PHP_Token {}
class PHP_Token_BOOLEAN_AND extends PHP_Token {}
class PHP_Token_IS_NOT_IDENTICAL extends PHP_Token {}
class PHP_Token_IS_IDENTICAL extends PHP_Token {}
class PHP_Token_IS_NOT_EQUAL extends PHP_Token {}
class PHP_Token_IS_EQUAL extends PHP_Token {}
class PHP_Token_IS_GREATER_OR_EQUAL extends PHP_Token {}
class PHP_Token_IS_SMALLER_OR_EQUAL extends PHP_Token {}
class PHP_Token_SR extends PHP_Token {}
class PHP_Token_SL extends PHP_Token {}
class PHP_Token_INSTANCEOF extends PHP_Token {}
class PHP_Token_UNSET_CAST extends PHP_Token {}
class PHP_Token_BOOL_CAST extends PHP_Token {}
class PHP_Token_OBJECT_CAST extends PHP_Token {}
class PHP_Token_ARRAY_CAST extends PHP_Token {}
class PHP_Token_STRING_CAST extends PHP_Token {}
class PHP_Token_DOUBLE_CAST extends PHP_Token {}
class PHP_Token_INT_CAST extends PHP_Token {}
class PHP_Token_DEC extends PHP_Token {}
class PHP_Token_INC extends PHP_Token {}
class PHP_Token_CLONE extends PHP_Token {}
class PHP_Token_NEW extends PHP_Token {}
class PHP_Token_EXIT extends PHP_Token {}
class PHP_Token_IF extends PHP_Token {}
class PHP_Token_ELSEIF extends PHP_Token {}
class PHP_Token_ELSE extends PHP_Token {}
class PHP_Token_ENDIF extends PHP_Token {}
class PHP_Token_LNUMBER extends PHP_Token {}
class PHP_Token_DNUMBER extends PHP_Token {}
class PHP_Token_STRING extends PHP_Token {}
class PHP_Token_STRING_VARNAME extends PHP_Token {}
class PHP_Token_VARIABLE extends PHP_Token {}
class PHP_Token_NUM_STRING extends PHP_Token {}
class PHP_Token_INLINE_HTML extends PHP_Token {}
class PHP_Token_CHARACTER extends PHP_Token {}
class PHP_Token_BAD_CHARACTER extends PHP_Token {}
class PHP_Token_ENCAPSED_AND_WHITESPACE extends PHP_Token {}
class PHP_Token_CONSTANT_ENCAPSED_STRING extends PHP_Token {}
class PHP_Token_ECHO extends PHP_Token {}
class PHP_Token_DO extends PHP_Token {}
class PHP_Token_WHILE extends PHP_Token {}
class PHP_Token_ENDWHILE extends PHP_Token {}
class PHP_Token_FOR extends PHP_Token {}
class PHP_Token_ENDFOR extends PHP_Token {}
class PHP_Token_FOREACH extends PHP_Token {}
class PHP_Token_ENDFOREACH extends PHP_Token {}
class PHP_Token_DECLARE extends PHP_Token {}
class PHP_Token_ENDDECLARE extends PHP_Token {}
class PHP_Token_AS extends PHP_Token {}
class PHP_Token_SWITCH extends PHP_Token {}
class PHP_Token_ENDSWITCH extends PHP_Token {}
class PHP_Token_CASE extends PHP_Token {}
class PHP_Token_DEFAULT extends PHP_Token {}
class PHP_Token_BREAK extends PHP_Token {}
class PHP_Token_CONTINUE extends PHP_Token {}
class PHP_Token_GOTO extends PHP_Token {}
class PHP_Token_CALLABLE extends PHP_Token {}
class PHP_Token_INSTEADOF extends PHP_Token {}

class PHP_Token_FUNCTION extends PHP_TokenWithScopeAndVisibility
{
    protected $arguments;
    protected $ccn;
    protected $name;
    protected $signature;

    public function getArguments()
    {
        if ($this->arguments !== NULL) {
            return $this->arguments;
        }

        $this->arguments = array();
        $i               = $this->id + 3;
        $tokens          = $this->tokenStream->tokens();
        $typeHint        = NULL;

        while (!$tokens[$i] instanceof PHP_Token_CLOSE_BRACKET) {
            if ($tokens[$i] instanceof PHP_Token_STRING) {
                $typeHint = (string)$tokens[$i];
            }

            else if ($tokens[$i] instanceof PHP_Token_VARIABLE) {
                $this->arguments[(string)$tokens[$i]] = $typeHint;
                $typeHint                             = NULL;
            }

            $i++;
        }

        return $this->arguments;
    }

    public function getName()
    {
        if ($this->name !== NULL) {
            return $this->name;
        }

        $tokens = $this->tokenStream->tokens();

        if ($tokens[$this->id+2] instanceof PHP_Token_STRING) {
            $this->name = (string)$tokens[$this->id+2];
        }

        else if ($tokens[$this->id+2] instanceof PHP_Token_AMPERSAND &&
                 $tokens[$this->id+3] instanceof PHP_Token_STRING) {
            $this->name = (string)$tokens[$this->id+3];
        }

        else {
            $this->name = 'anonymous function';
        }

        if ($this->name != 'anonymous function') {
            for ($i = $this->id; $i; --$i) {
                if ($tokens[$i] instanceof PHP_Token_NAMESPACE) {
                    $this->name = $tokens[$i]->getName() . '\\' . $this->name;
                    break;
                }

                if ($tokens[$i] instanceof PHP_Token_INTERFACE) {
                    break;
                }
            }
        }

        return $this->name;
    }

    public function getCCN()
    {
        if ($this->ccn !== NULL) {
            return $this->ccn;
        }

        $this->ccn = 1;
        $end       = $this->getEndTokenId();
        $tokens    = $this->tokenStream->tokens();

        for ($i = $this->id; $i <= $end; $i++) {
            switch (get_class($tokens[$i])) {
                case 'PHP_Token_IF':
                case 'PHP_Token_ELSEIF':
                case 'PHP_Token_FOR':
                case 'PHP_Token_FOREACH':
                case 'PHP_Token_WHILE':
                case 'PHP_Token_CASE':
                case 'PHP_Token_CATCH':
                case 'PHP_Token_BOOLEAN_AND':
                case 'PHP_Token_LOGICAL_AND':
                case 'PHP_Token_BOOLEAN_OR':
                case 'PHP_Token_LOGICAL_OR':
                case 'PHP_Token_QUESTION_MARK': {
                    $this->ccn++;
                }
                break;
            }
        }

        return $this->ccn;
    }

    public function getSignature()
    {
        if ($this->signature !== NULL) {
            return $this->signature;
        }

        if ($this->getName() == 'anonymous function') {
            $this->signature = 'anonymous function';
            $i               = $this->id + 1;
        } else {
            $this->signature = '';
            $i               = $this->id + 2;
        }

        $tokens = $this->tokenStream->tokens();

        while (!$tokens[$i] instanceof PHP_Token_CLOSE_BRACKET) {
            $this->signature .= $tokens[$i++];
        }

        $this->signature .= ')';

        return $this->signature;
    }
}

class PHP_Token_CONST extends PHP_Token {}
class PHP_Token_RETURN extends PHP_Token {}
class PHP_Token_TRY extends PHP_Token {}
class PHP_Token_CATCH extends PHP_Token {}
class PHP_Token_THROW extends PHP_Token {}
class PHP_Token_USE extends PHP_Token {}
class PHP_Token_GLOBAL extends PHP_Token {}
class PHP_Token_PUBLIC extends PHP_Token {}
class PHP_Token_PROTECTED extends PHP_Token {}
class PHP_Token_PRIVATE extends PHP_Token {}
class PHP_Token_FINAL extends PHP_Token {}
class PHP_Token_ABSTRACT extends PHP_Token {}
class PHP_Token_STATIC extends PHP_Token {}
class PHP_Token_VAR extends PHP_Token {}
class PHP_Token_UNSET extends PHP_Token {}
class PHP_Token_ISSET extends PHP_Token {}
class PHP_Token_EMPTY extends PHP_Token {}
class PHP_Token_HALT_COMPILER extends PHP_Token {}

class PHP_Token_INTERFACE extends PHP_TokenWithScopeAndVisibility
{
    protected $interfaces;

    public function getName()
    {
        return (string)$this->tokenStream[$this->id + 2];
    }

    public function hasParent()
    {
        return $this->tokenStream[$this->id + 4] instanceof PHP_Token_EXTENDS;
    }

    public function getPackage()
    {
        $className  = $this->getName();
        $docComment = $this->getDocblock();

        $result = array(
          'namespace'   => '',
          'fullPackage' => '',
          'category'    => '',
          'package'     => '',
          'subpackage'  => ''
        );

        for ($i = $this->id; $i; --$i) {
            if ($this->tokenStream[$i] instanceof PHP_Token_NAMESPACE) {
                $result['namespace'] = $this->tokenStream[$i]->getName();
                break;
            }
        }

        if (preg_match('/@category[\s]+([\.\w]+)/', $docComment, $matches)) {
            $result['category'] = $matches[1];
        }

        if (preg_match('/@package[\s]+([\.\w]+)/', $docComment, $matches)) {
            $result['package']     = $matches[1];
            $result['fullPackage'] = $matches[1];
        }

        if (preg_match('/@subpackage[\s]+([\.\w]+)/', $docComment, $matches)) {
            $result['subpackage']   = $matches[1];
            $result['fullPackage'] .= '.' . $matches[1];
        }

        if (empty($result['fullPackage'])) {
            $result['fullPackage'] = $this->arrayToName(
              explode('_', str_replace('\\', '_', $className)), '.'
            );
        }

        return $result;
    }

    protected function arrayToName(array $parts, $join = '\\')
    {
        $result = '';

        if (count($parts) > 1) {
            array_pop($parts);

            $result = join($join, $parts);
        }

        return $result;
    }

    public function getParent()
    {
        if (!$this->hasParent()) {
            return FALSE;
        }

        $i         = $this->id + 6;
        $tokens    = $this->tokenStream->tokens();
        $className = (string)$tokens[$i];

        while (isset($tokens[$i+1]) &&
               !$tokens[$i+1] instanceof PHP_Token_WHITESPACE) {
            $className .= (string)$tokens[++$i];
        }

        return $className;
    }

    public function hasInterfaces()
    {
        return (isset($this->tokenStream[$this->id + 4]) &&
                $this->tokenStream[$this->id + 4] instanceof PHP_Token_IMPLEMENTS) ||
               (isset($this->tokenStream[$this->id + 8]) &&
                $this->tokenStream[$this->id + 8] instanceof PHP_Token_IMPLEMENTS);
    }

    public function getInterfaces()
    {
        if ($this->interfaces !== NULL) {
            return $this->interfaces;
        }

        if (!$this->hasInterfaces()) {
            return ($this->interfaces = FALSE);
        }

        if ($this->tokenStream[$this->id + 4] instanceof PHP_Token_IMPLEMENTS) {
            $i = $this->id + 3;
        } else {
            $i = $this->id + 7;
        }

        $tokens = $this->tokenStream->tokens();

        while (!$tokens[$i+1] instanceof PHP_Token_OPEN_CURLY) {
            $i++;

            if ($tokens[$i] instanceof PHP_Token_STRING) {
                $this->interfaces[] = (string)$tokens[$i];
            }
        }

        return $this->interfaces;
    }
}

class PHP_Token_CLASS extends PHP_Token_INTERFACE {}
class PHP_Token_TRAIT extends PHP_Token_INTERFACE {}
class PHP_Token_EXTENDS extends PHP_Token {}
class PHP_Token_IMPLEMENTS extends PHP_Token {}
class PHP_Token_OBJECT_OPERATOR extends PHP_Token {}
class PHP_Token_DOUBLE_ARROW extends PHP_Token {}
class PHP_Token_LIST extends PHP_Token {}
class PHP_Token_ARRAY extends PHP_Token {}
class PHP_Token_CLASS_C extends PHP_Token {}
class PHP_Token_TRAIT_C extends PHP_Token {}
class PHP_Token_METHOD_C extends PHP_Token {}
class PHP_Token_FUNC_C extends PHP_Token {}
class PHP_Token_LINE extends PHP_Token {}
class PHP_Token_FILE extends PHP_Token {}
class PHP_Token_COMMENT extends PHP_Token {}
class PHP_Token_DOC_COMMENT extends PHP_Token {}
class PHP_Token_OPEN_TAG extends PHP_Token {}
class PHP_Token_OPEN_TAG_WITH_ECHO extends PHP_Token {}
class PHP_Token_CLOSE_TAG extends PHP_Token {}
class PHP_Token_WHITESPACE extends PHP_Token {}
class PHP_Token_START_HEREDOC extends PHP_Token {}
class PHP_Token_END_HEREDOC extends PHP_Token {}
class PHP_Token_DOLLAR_OPEN_CURLY_BRACES extends PHP_Token {}
class PHP_Token_CURLY_OPEN extends PHP_Token {}
class PHP_Token_PAAMAYIM_NEKUDOTAYIM extends PHP_Token {}

class PHP_Token_NAMESPACE extends PHP_TokenWithScope
{
    public function getName()
    {
        $tokens    = $this->tokenStream->tokens();
        $namespace = (string)$tokens[$this->id+2];

        for ($i = $this->id + 3; ; $i += 2) {
            if (isset($tokens[$i]) &&
                $tokens[$i] instanceof PHP_Token_NS_SEPARATOR) {
                $namespace .= '\\' . $tokens[$i+1];
            } else {
                break;
            }
        }

        return $namespace;
    }
}

class PHP_Token_NS_C extends PHP_Token {}
class PHP_Token_DIR extends PHP_Token {}
class PHP_Token_NS_SEPARATOR extends PHP_Token {}
class PHP_Token_DOUBLE_COLON extends PHP_Token {}
class PHP_Token_OPEN_BRACKET extends PHP_Token {}
class PHP_Token_CLOSE_BRACKET extends PHP_Token {}
class PHP_Token_OPEN_SQUARE extends PHP_Token {}
class PHP_Token_CLOSE_SQUARE extends PHP_Token {}
class PHP_Token_OPEN_CURLY extends PHP_Token {}
class PHP_Token_CLOSE_CURLY extends PHP_Token {}
class PHP_Token_SEMICOLON extends PHP_Token {}
class PHP_Token_DOT extends PHP_Token {}
class PHP_Token_COMMA extends PHP_Token {}
class PHP_Token_EQUAL extends PHP_Token {}
class PHP_Token_LT extends PHP_Token {}
class PHP_Token_GT extends PHP_Token {}
class PHP_Token_PLUS extends PHP_Token {}
class PHP_Token_MINUS extends PHP_Token {}
class PHP_Token_MULT extends PHP_Token {}
class PHP_Token_DIV extends PHP_Token {}
class PHP_Token_QUESTION_MARK extends PHP_Token {}
class PHP_Token_EXCLAMATION_MARK extends PHP_Token {}
class PHP_Token_COLON extends PHP_Token {}
class PHP_Token_DOUBLE_QUOTES extends PHP_Token {}
class PHP_Token_AT extends PHP_Token {}
class PHP_Token_AMPERSAND extends PHP_Token {}
class PHP_Token_PERCENT extends PHP_Token {}
class PHP_Token_PIPE extends PHP_Token {}
class PHP_Token_DOLLAR extends PHP_Token {}
class PHP_Token_CARET extends PHP_Token {}
class PHP_Token_TILDE extends PHP_Token {}
class PHP_Token_BACKTICK extends PHP_Token {}