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<?php |
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namespace Imanghafoori\LaravelMicroscope\Analyzers; |
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class FunctionCall |
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{ |
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public static function isSolidString($tokens) |
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{ |
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[$nextToken,] = TokenManager::getNextToken($tokens, 0); |
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// we make sure that the string is not concatinated. |
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return ($tokens[0][0] == T_CONSTANT_ENCAPSED_STRING) && ($nextToken !== '.'); |
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} |
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public static function isGlobalCall($funcName, &$tokens, $i) |
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{ |
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$expectedTokens = [ |
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['('], |
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[T_STRING, $funcName], |
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]; |
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if (empty($indexes = self::checkTokens($expectedTokens, $tokens, $i))) { |
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return null; |
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} |
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$index = array_pop($indexes); |
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[$prev, $p2] = TokenManager::getPrevToken($tokens, $index); |
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$ops = [T_DOUBLE_COLON, T_OBJECT_OPERATOR, T_NEW, T_FUNCTION]; |
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if (\in_array($prev[0], $ops)) { |
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return null; |
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} |
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return $index; |
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} |
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public static function isStaticCall($methodName, &$tokens, $i, $className = null) |
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{ |
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$expectedTokens = [ |
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['('], |
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[T_STRING, $methodName], |
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[T_DOUBLE_COLON, '::'], |
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]; |
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$className && ($expectedTokens[] = [T_STRING, $className]); |
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return self::checkTokens($expectedTokens, $tokens, $i); |
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} |
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public static function isMethodCallOnThis($methodName, &$tokens, $i) |
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{ |
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$expectedTokens = [ |
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['('], |
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[T_STRING, $methodName], |
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[T_OBJECT_OPERATOR, '->'], |
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[T_VARIABLE, '$this'], |
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]; |
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return self::checkTokens($expectedTokens, $tokens, $i); |
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} |
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public static function checkTokens($expectedTokens, &$tokens, $j) |
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{ |
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if ($tokens[$j][0] != '(') { |
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return []; |
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} |
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array_shift($expectedTokens); // remove ( from the array. |
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$results = []; |
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foreach ($expectedTokens as $i => $expectedToken) { |
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try { |
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[$actualToken, $j] = TokenManager::getPrevToken($tokens, $j); |
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} catch (\Throwable $e) { |
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return []; |
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} |
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if (! self::isEqual($expectedToken, $actualToken)) { |
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return []; |
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} |
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$results[] = $j; |
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} |
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return $results; |
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} |
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public static function readParameters(&$tokens, $i) |
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{ |
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$params = []; |
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$p = 0; |
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$level = 1; |
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while (true) { |
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[$nextToken, $i] = TokenManager::getNextToken($tokens, $i); |
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$level = self::level($nextToken, $level); |
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if ($level == 0 && $nextToken == ')') { |
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break; |
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} |
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// Fixes: https://github.com/imanghafoori1/laravel-microscope/issues/135 |
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// To avoid infinite loop in case of wrong syntax |
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if ($nextToken == '_') { |
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break; |
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} |
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if ($level == 1 && $nextToken == ',') { |
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$p++; |
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continue; |
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} |
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$params[$p][] = $nextToken; |
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} |
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113
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return $params; |
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} |
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116
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/* public static function readConditions(&$tokens, $i) |
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{ |
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$params = []; |
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$level = 1; |
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while (true) { |
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[$nextToken, $i] = self::getNextToken($tokens, $i); |
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$level = self::level($nextToken, $level); |
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if ($level == 0 && $nextToken == ')') { |
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break; |
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} |
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128
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129
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$params[] = $nextToken; |
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} |
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132
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return [$params, $i]; |
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}*/ |
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135
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private static function isEqual($expectedToken, $actualToken) |
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{ |
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return $expectedToken[0] == $actualToken[0] && ($expectedToken[1] ?? '') == ($actualToken[1] ?? ''); |
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} |
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private static function level($nextToken, $level) |
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{ |
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if (\in_array($nextToken[0], ['[', '(', '{', T_CURLY_OPEN])) { |
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$level++; |
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} |
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145
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146
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if (\in_array($nextToken[0], [']', ')', '}'])) { |
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$level--; |
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} |
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150
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return $level; |
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151
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} |
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152
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} |
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153
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imanghafoori1 /
laravel-microscope
Loading history...
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.