82 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| require __DIR__ . '/phpyLang.php';
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| 
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| $grammarFileToName = [
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|     __DIR__ . '/php5.y' => 'Php5',
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|     __DIR__ . '/php7.y' => 'Php7',
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| ];
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| 
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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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| 
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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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| 
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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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| ///////////////////
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| /// Main script ///
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| ///////////////////
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| 
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| $tokens = file_get_contents($tokensFile);
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| 
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| foreach ($grammarFileToName as $grammarFile => $name) {
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|     echo "Building temporary $name grammar file.\n";
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| 
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|     $grammarCode = file_get_contents($grammarFile);
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|     $grammarCode = str_replace('%tokens', $tokens, $grammarCode);
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|     $grammarCode = preprocessGrammar($grammarCode);
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| 
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|     file_put_contents($tmpGrammarFile, $grammarCode);
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| 
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|     $additionalArgs = $optionDebug ? '-t -v' : '';
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| 
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|     echo "Building $name parser.\n";
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|     $output = execCmd("$kmyacc $additionalArgs -m $skeletonFile -p $name $tmpGrammarFile");
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| 
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|     $resultCode = file_get_contents($tmpResultFile);
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|     $resultCode = removeTrailingWhitespace($resultCode);
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| 
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|     ensureDirExists($resultDir);
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|     file_put_contents("$resultDir/$name.php", $resultCode);
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|     unlink($tmpResultFile);
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| 
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|     echo "Building token definition.\n";
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|     $output = execCmd("$kmyacc -m $tokensTemplate $tmpGrammarFile");
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|     rename($tmpResultFile, $tokensResultsFile);
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| 
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|     if (!$optionKeepTmpGrammar) {
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|         unlink($tmpGrammarFile);
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|     }
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| }
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| 
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| ////////////////////////////////
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| /// Utility helper functions ///
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| ////////////////////////////////
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| 
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| function ensureDirExists($dir) {
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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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| 
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| function execCmd($cmd) {
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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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