mirror of
https://github.com/rectorphp/rector.git
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65 lines
2.3 KiB
PHP
65 lines
2.3 KiB
PHP
<?php
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namespace RectorPrefix20211214;
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require __DIR__ . '/phpyLang.php';
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$grammarFileToName = [__DIR__ . '/php5.y' => 'Php5', __DIR__ . '/php7.y' => 'Php7'];
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$tokensFile = __DIR__ . '/tokens.y';
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$tokensTemplate = __DIR__ . '/tokens.template';
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$skeletonFile = __DIR__ . '/parser.template';
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$tmpGrammarFile = __DIR__ . '/tmp_parser.phpy';
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$tmpResultFile = __DIR__ . '/tmp_parser.php';
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$resultDir = __DIR__ . '/../lib/PhpParser/Parser';
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$tokensResultsFile = $resultDir . '/Tokens.php';
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$kmyacc = \getenv('KMYACC');
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if (!$kmyacc) {
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// Use phpyacc from dev dependencies by default.
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$kmyacc = __DIR__ . '/../vendor/bin/phpyacc';
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}
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$options = \array_flip($argv);
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$optionDebug = isset($options['--debug']);
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$optionKeepTmpGrammar = isset($options['--keep-tmp-grammar']);
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///////////////////
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/// Main script ///
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///////////////////
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$tokens = \file_get_contents($tokensFile);
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foreach ($grammarFileToName as $grammarFile => $name) {
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echo "Building temporary {$name} grammar file.\n";
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$grammarCode = \file_get_contents($grammarFile);
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$grammarCode = \str_replace('%tokens', $tokens, $grammarCode);
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$grammarCode = \RectorPrefix20211214\preprocessGrammar($grammarCode);
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\file_put_contents($tmpGrammarFile, $grammarCode);
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$additionalArgs = $optionDebug ? '-t -v' : '';
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echo "Building {$name} parser.\n";
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$output = \RectorPrefix20211214\execCmd("{$kmyacc} {$additionalArgs} -m {$skeletonFile} -p {$name} {$tmpGrammarFile}");
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$resultCode = \file_get_contents($tmpResultFile);
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$resultCode = \RectorPrefix20211214\removeTrailingWhitespace($resultCode);
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\RectorPrefix20211214\ensureDirExists($resultDir);
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\file_put_contents("{$resultDir}/{$name}.php", $resultCode);
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\unlink($tmpResultFile);
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echo "Building token definition.\n";
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$output = \RectorPrefix20211214\execCmd("{$kmyacc} -m {$tokensTemplate} {$tmpGrammarFile}");
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\rename($tmpResultFile, $tokensResultsFile);
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if (!$optionKeepTmpGrammar) {
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\unlink($tmpGrammarFile);
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}
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}
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////////////////////////////////
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/// Utility helper functions ///
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////////////////////////////////
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function ensureDirExists($dir)
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{
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if (!\is_dir($dir)) {
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\mkdir($dir, 0777, \true);
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}
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}
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function execCmd($cmd)
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{
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$output = \trim(\shell_exec("{$cmd} 2>&1"));
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if ($output !== "") {
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echo "> " . $cmd . "\n";
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echo $output;
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}
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return $output;
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}
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