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//opt/cpanel/ea-wappspector/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/KeywordEmulator.php

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<?php declare(strict_types=1);

namespace PhpParser\Lexer\TokenEmulator;

use PhpParser\Token;

abstract class KeywordEmulator extends TokenEmulator {
    abstract public function getKeywordString(): string;
    abstract public function getKeywordToken(): int;

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

/** @param Token[] $tokens */
    protected function isKeywordContext(array $tokens, int $pos): bool {
        $prevToken = $this->getPreviousNonSpaceToken($tokens, $pos);
        if ($prevToken === null) {
            return false;
        }
        return $prevToken->id !== \T_OBJECT_OPERATOR
            && $prevToken->id !== \T_NULLSAFE_OBJECT_OPERATOR;
    }

public function emulate(string $code, array $tokens): array {
        $keywordString = $this->getKeywordString();
        foreach ($tokens as $i => $token) {
            if ($token->id === T_STRING && strtolower($token->text) === $keywordString
                    && $this->isKeywordContext($tokens, $i)) {
                $token->id = $this->getKeywordToken();
            }
        }

return $tokens;
    }

/** @param Token[] $tokens */
    private function getPreviousNonSpaceToken(array $tokens, int $start): ?Token {
        for ($i = $start - 1; $i >= 0; --$i) {
            if ($tokens[$i]->id === T_WHITESPACE) {
                continue;
            }

return $tokens[$i];
        }

return null;
    }

public function reverseEmulate(string $code, array $tokens): array {
        $keywordToken = $this->getKeywordToken();
        foreach ($tokens as $token) {
            if ($token->id === $keywordToken) {
                $token->id = \T_STRING;
            }
        }

return $tokens;
    }
}

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ReverseEmulator.php	1013 B	lrw-r--r--	2025-12-06 11:56:16	Edit Download recursive recursive
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