| 1: | <?php declare(strict_types=1); |
| 2: | |
| 3: | namespace PhpParser\Lexer\TokenEmulator; |
| 4: | |
| 5: | use PhpParser\Lexer\Emulative; |
| 6: | |
| 7: | class ExplicitOctalEmulator extends TokenEmulator { |
| 8: | public function getPhpVersion(): string { |
| 9: | return Emulative::PHP_8_1; |
| 10: | } |
| 11: | |
| 12: | public function isEmulationNeeded(string $code): bool { |
| 13: | return strpos($code, '0o') !== false || strpos($code, '0O') !== false; |
| 14: | } |
| 15: | |
| 16: | public function emulate(string $code, array $tokens): array { |
| 17: | for ($i = 0, $c = count($tokens); $i < $c; ++$i) { |
| 18: | if ($tokens[$i][0] == \T_LNUMBER && $tokens[$i][1] === '0' && |
| 19: | isset($tokens[$i + 1]) && $tokens[$i + 1][0] == \T_STRING && |
| 20: | preg_match('/[oO][0-7]+(?:_[0-7]+)*/', $tokens[$i + 1][1]) |
| 21: | ) { |
| 22: | $tokenKind = $this->resolveIntegerOrFloatToken($tokens[$i + 1][1]); |
| 23: | array_splice($tokens, $i, 2, [ |
| 24: | [$tokenKind, '0' . $tokens[$i + 1][1], $tokens[$i][2]], |
| 25: | ]); |
| 26: | $c--; |
| 27: | } |
| 28: | } |
| 29: | return $tokens; |
| 30: | } |
| 31: | |
| 32: | private function resolveIntegerOrFloatToken(string $str): int |
| 33: | { |
| 34: | $str = substr($str, 1); |
| 35: | $str = str_replace('_', '', $str); |
| 36: | $num = octdec($str); |
| 37: | return is_float($num) ? \T_DNUMBER : \T_LNUMBER; |
| 38: | } |
| 39: | |
| 40: | public function reverseEmulate(string $code, array $tokens): array { |
| 41: | |
| 42: | return $tokens; |
| 43: | } |
| 44: | } |