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Command Bosku:

Path: ~/data/IT4D/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/

File Content: NullsafeTokenEmulator.php

<?php declare(strict_types=1);

namespace PhpParser\Lexer\TokenEmulator;

use PhpParser\Lexer\Emulative;

final class NullsafeTokenEmulator extends TokenEmulator
{
    public function getPhpVersion(): string
    {
        return Emulative::PHP_8_0;
    }

public function isEmulationNeeded(string $code): bool
    {
        return strpos($code, '?->') !== false;
    }

public function emulate(string $code, array $tokens): array
    {
        // We need to manually iterate and manage a count because we'll change
        // the tokens array on the way
        $line = 1;
        for ($i = 0, $c = count($tokens); $i < $c; ++$i) {
            if ($tokens[$i] === '?' && isset($tokens[$i + 1]) && $tokens[$i + 1][0] === \T_OBJECT_OPERATOR) {
                array_splice($tokens, $i, 2, [
                    [\T_NULLSAFE_OBJECT_OPERATOR, '?->', $line]
                ]);
                $c--;
                continue;
            }

// Handle ?-> inside encapsed string.
            if ($tokens[$i][0] === \T_ENCAPSED_AND_WHITESPACE && isset($tokens[$i - 1])
                && $tokens[$i - 1][0] === \T_VARIABLE
                && preg_match('/^\?->([a-zA-Z_\x80-\xff][a-zA-Z0-9_\x80-\xff]*)/', $tokens[$i][1], $matches)
            ) {
                $replacement = [
                    [\T_NULLSAFE_OBJECT_OPERATOR, '?->', $line],
                    [\T_STRING, $matches[1], $line],
                ];
                if (\strlen($matches[0]) !== \strlen($tokens[$i][1])) {
                    $replacement[] = [
                        \T_ENCAPSED_AND_WHITESPACE,
                        \substr($tokens[$i][1], \strlen($matches[0])),
                        $line
                    ];
                }
                array_splice($tokens, $i, 1, $replacement);
                $c += \count($replacement) - 1;
                continue;
            }

if (\is_array($tokens[$i])) {
                $line += substr_count($tokens[$i][1], "\n");
            }
        }

return $tokens;
    }

public function reverseEmulate(string $code, array $tokens): array
    {
        // ?-> was not valid code previously, don't bother.
        return $tokens;
    }
}

FILE FOLDER

Name	Size	Permission
AttributeEmulator.php	1521 bytes	0755
CoaleseEqualTokenEmulator.php	1315 bytes	0755
EnumTokenEmulator.php	701 bytes	0755
ExplicitOctalEmulator.php	1480 bytes	0755
FlexibleDocStringEmulator.php	2391 bytes	0755
FnTokenEmulator.php	411 bytes	0755
KeywordEmulator.php	1755 bytes	0755
MatchTokenEmulator.php	421 bytes	0755
NullsafeTokenEmulator.php	2213 bytes	0755
NumericLiteralSeparatorEmulator.php	3654 bytes	0755
ReadonlyFunctionTokenEmulator.php	963 bytes	0755
ReadonlyTokenEmulator.php	901 bytes	0755
ReverseEmulator.php	967 bytes	0755
TokenEmulator.php	615 bytes	0755