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<?php |
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namespace Imanghafoori\LaravelMicroscope\Analyzers; |
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use Imanghafoori\LaravelMicroscope\Refactors\EarlyReturns; |
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use Imanghafoori\LaravelMicroscope\Refactors\SyntaxNormalizer; |
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class Refactor |
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{ |
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public const blocksKeyWords = [T_RETURN, T_THROW, T_CONTINUE, T_BREAK]; |
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public static function flatten($tokens) |
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{ |
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$tokens = SyntaxNormalizer::normalizeSyntax($tokens); |
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[$tokens, $changes1] = self::recursiveRefactor($tokens, function ($tokens, $i) { |
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return Ifs::mergeIfs($tokens, $i); |
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}); |
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[$tokens, $changes2] = self::recursiveRefactor($tokens, function ($tokens, $i) { |
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return Ifs::else_If($tokens, $i); |
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}); |
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$changes = $changes1 + $changes2; |
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return EarlyReturns::apply($tokens, $changes); |
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} |
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public static function saveTokens($path, array $tokens, $test = false) |
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{ |
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$test && ($path = $path.'_flat'); |
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file_put_contents($path, self::toString($tokens)); |
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} |
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public static function isBlocky(array $codeBlock) |
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{ |
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$isBlocky = false; |
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$depth = 0; |
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foreach ($codeBlock as $token) { |
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$token[0] == '}' && $depth++; |
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$token[0] == '{' && $depth--; |
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if ($depth == 0 && (\in_array($token[0], self::blocksKeyWords))) { |
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$isBlocky = true; |
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} |
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} |
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return $isBlocky; |
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} |
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public static function toString($tokens) |
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{ |
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$string = ''; |
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foreach ($tokens as $token) { |
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$string .= $token[1] ?? $token[0]; |
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} |
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return $string; |
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} |
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private static function recursiveRefactor($tokens, $refactor) |
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{ |
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$i = $changes = 0; |
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do { |
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$result = $refactor($tokens, $i); |
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$i++; |
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if ($result) { |
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$tokens = $result; |
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$i = 0; // rewind |
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$changes++; |
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} |
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} while (isset($tokens[$i])); |
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return [$tokens, $changes]; |
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} |
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} |
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imanghafoori1 /
laravel-microscope
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This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.