|  1:  | <?php declare(strict_types=1); | 
|  2:  |  | 
|  3:  | namespace PhpParser\Lexer\TokenEmulator; | 
|  4:  |  | 
|  5:  | use PhpParser\Lexer\Emulative; | 
|  6:  |  | 
|  7:  | final class AttributeEmulator extends TokenEmulator | 
|  8:  | { | 
|  9:  |     public function getPhpVersion(): string | 
| 10:  |     { | 
| 11:  |         return Emulative::PHP_8_0; | 
| 12:  |     } | 
| 13:  |  | 
| 14:  |     public function isEmulationNeeded(string $code) : bool | 
| 15:  |     { | 
| 16:  |         return strpos($code, '#[') !== false; | 
| 17:  |     } | 
| 18:  |  | 
| 19:  |     public function emulate(string $code, array $tokens): array | 
| 20:  |     { | 
| 21:  |          | 
| 22:  |          | 
| 23:  |         $line = 1; | 
| 24:  |         for ($i = 0, $c = count($tokens); $i < $c; ++$i) { | 
| 25:  |             if ($tokens[$i] === '#' && isset($tokens[$i + 1]) && $tokens[$i + 1] === '[') { | 
| 26:  |                 array_splice($tokens, $i, 2, [ | 
| 27:  |                     [\T_ATTRIBUTE, '#[', $line] | 
| 28:  |                 ]); | 
| 29:  |                 $c--; | 
| 30:  |                 continue; | 
| 31:  |             } | 
| 32:  |             if (\is_array($tokens[$i])) { | 
| 33:  |                 $line += substr_count($tokens[$i][1], "\n"); | 
| 34:  |             } | 
| 35:  |         } | 
| 36:  |  | 
| 37:  |         return $tokens; | 
| 38:  |     } | 
| 39:  |  | 
| 40:  |     public function reverseEmulate(string $code, array $tokens): array | 
| 41:  |     { | 
| 42:  |          | 
| 43:  |         return $tokens; | 
| 44:  |     } | 
| 45:  |  | 
| 46:  |     public function preprocessCode(string $code, array &$patches): string { | 
| 47:  |         $pos = 0; | 
| 48:  |         while (false !== $pos = strpos($code, '#[', $pos)) { | 
| 49:  |              | 
| 50:  |             $code[$pos] = '%'; | 
| 51:  |             $patches[] = [$pos, 'replace', '#']; | 
| 52:  |             $pos += 2; | 
| 53:  |         } | 
| 54:  |         return $code; | 
| 55:  |     } | 
| 56:  | } | 
| 57:  |  |