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<?php |
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Symfony\Component\VarDumper\Caster; |
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use Symfony\Component\VarDumper\Exception\ThrowingCasterException; |
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use Symfony\Component\VarDumper\Cloner\Stub; |
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/** |
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* Casts common Exception classes to array representation. |
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* |
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* @author Nicolas Grekas <[email protected]> |
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*/ |
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class ExceptionCaster |
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{ |
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public static $srcContext = 1; |
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public static $traceArgs = true; |
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public static $errorTypes = array( |
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E_DEPRECATED => 'E_DEPRECATED', |
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E_USER_DEPRECATED => 'E_USER_DEPRECATED', |
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E_RECOVERABLE_ERROR => 'E_RECOVERABLE_ERROR', |
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E_ERROR => 'E_ERROR', |
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E_WARNING => 'E_WARNING', |
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E_PARSE => 'E_PARSE', |
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E_NOTICE => 'E_NOTICE', |
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E_CORE_ERROR => 'E_CORE_ERROR', |
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E_CORE_WARNING => 'E_CORE_WARNING', |
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E_COMPILE_ERROR => 'E_COMPILE_ERROR', |
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E_COMPILE_WARNING => 'E_COMPILE_WARNING', |
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E_USER_ERROR => 'E_USER_ERROR', |
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E_USER_WARNING => 'E_USER_WARNING', |
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E_USER_NOTICE => 'E_USER_NOTICE', |
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E_STRICT => 'E_STRICT', |
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); |
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private static $framesCache = array(); |
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public static function castError(\Error $e, array $a, Stub $stub, $isNested, $filter = 0) |
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{ |
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return self::filterExceptionArray($stub->class, $a, "\0Error\0", $filter); |
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} |
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public static function castException(\Exception $e, array $a, Stub $stub, $isNested, $filter = 0) |
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{ |
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return self::filterExceptionArray($stub->class, $a, "\0Exception\0", $filter); |
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} |
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public static function castErrorException(\ErrorException $e, array $a, Stub $stub, $isNested) |
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{ |
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if (isset($a[$s = Caster::PREFIX_PROTECTED . 'severity'], self::$errorTypes[$a[$s]])) { |
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$a[$s] = new ConstStub(self::$errorTypes[$a[$s]], $a[$s]); |
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} |
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return $a; |
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} |
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public static function castThrowingCasterException(ThrowingCasterException $e, array $a, Stub $stub, $isNested) |
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{ |
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$prefix = Caster::PREFIX_PROTECTED; |
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$xPrefix = "\0Exception\0"; |
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if (isset($a[$xPrefix . 'previous'], $a[$xPrefix . 'trace']) && $a[$xPrefix . 'previous'] instanceof \Exception) { |
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$b = (array) $a[$xPrefix . 'previous']; |
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self::traceUnshift($b[$xPrefix . 'trace'], get_class($a[$xPrefix . 'previous']), $b[$prefix . 'file'], $b[$prefix . 'line']); |
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$a[$xPrefix . 'trace'] = new TraceStub($b[$xPrefix . 'trace'], false, 0, -1 - count($a[$xPrefix . 'trace']->value)); |
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} |
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unset($a[$xPrefix . 'previous'], $a[$prefix . 'code'], $a[$prefix . 'file'], $a[$prefix . 'line']); |
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return $a; |
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} |
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public static function castTraceStub(TraceStub $trace, array $a, Stub $stub, $isNested) |
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{ |
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if (!$isNested) { |
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return $a; |
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} |
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$stub->class = ''; |
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$stub->handle = 0; |
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$frames = $trace->value; |
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$prefix = Caster::PREFIX_VIRTUAL; |
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$a = array(); |
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$j = count($frames); |
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if (0 > $i = $trace->sliceOffset) { |
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$i = max(0, $j + $i); |
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} |
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if (!isset($trace->value[$i])) { |
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return array(); |
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} |
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$lastCall = isset($frames[$i]['function']) ? (isset($frames[$i]['class']) ? $frames[0]['class'] . $frames[$i]['type'] : '') . $frames[$i]['function'] . '()' : ''; |
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$frames[] = array('function' => ''); |
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for ($j += $trace->numberingOffset - $i++; isset($frames[$i]); ++$i, --$j) { |
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$f = $frames[$i]; |
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$call = isset($f['function']) ? (isset($f['class']) ? $f['class'] . $f['type'] : '') . $f['function'] . '()' : '???'; |
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$label = substr_replace($prefix, "title=Stack level $j.", 2, 0) . $lastCall; |
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$frame = new FrameStub( |
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array( |
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'object' => isset($f['object']) ? $f['object'] : null, |
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'class' => isset($f['class']) ? $f['class'] : null, |
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'type' => isset($f['type']) ? $f['type'] : null, |
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'function' => isset($f['function']) ? $f['function'] : null, |
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) + $frames[$i - 1], |
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false, |
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true |
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); |
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$f = self::castFrameStub($frame, array(), $frame, true); |
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if (isset($f[$prefix . 'src'])) { |
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foreach ($f[$prefix . 'src']->value as $label => $frame) { |
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$label = substr_replace($label, "title=Stack level $j.&", 2, 0); |
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} |
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$f = $frames[$i - 1]; |
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if ($trace->keepArgs && !empty($f['args']) && $frame instanceof EnumStub) { |
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$frame->value['arguments'] = new ArgsStub($f['args'], isset($f['function']) ? $f['function'] : null, isset($f['class']) ? $f['class'] : null); |
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} |
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} |
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$a[$label] = $frame; |
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$lastCall = $call; |
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} |
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if (null !== $trace->sliceLength) { |
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$a = array_slice($a, 0, $trace->sliceLength, true); |
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} |
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return $a; |
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} |
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public static function castFrameStub(FrameStub $frame, array $a, Stub $stub, $isNested) |
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{ |
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if (!$isNested) { |
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return $a; |
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} |
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$f = $frame->value; |
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$prefix = Caster::PREFIX_VIRTUAL; |
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if (isset($f['file'], $f['line'])) { |
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$cacheKey = $f; |
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unset($cacheKey['object'], $cacheKey['args']); |
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$cacheKey[] = self::$srcContext; |
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$cacheKey = implode('-', $cacheKey); |
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if (isset(self::$framesCache[$cacheKey])) { |
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$a[$prefix . 'src'] = self::$framesCache[$cacheKey]; |
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} else { |
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if (preg_match('/\((\d+)\)(?:\([\da-f]{32}\))? : (?:eval\(\)\'d code|runtime-created function)$/', $f['file'], $match)) { |
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$f['file'] = substr($f['file'], 0, -strlen($match[0])); |
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$f['line'] = (int) $match[1]; |
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} |
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$caller = isset($f['function']) ? sprintf('in %s() on line %d', (isset($f['class']) ? $f['class'] . $f['type'] : '') . $f['function'], $f['line']) : null; |
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$src = $f['line']; |
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$srcKey = $f['file']; |
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$ellipsis = explode(DIRECTORY_SEPARATOR, $srcKey); |
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$ellipsis = 3 < count($ellipsis) ? 2 + strlen(implode(array_slice($ellipsis, -2))) : 0; |
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if (file_exists($f['file']) && 0 <= self::$srcContext) { |
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if (!empty($f['class']) && (is_subclass_of($f['class'], 'Twig\Template') || is_subclass_of($f['class'], 'Twig_Template')) && method_exists($f['class'], 'getDebugInfo')) { |
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$template = isset($f['object']) ? $f['object'] : unserialize(sprintf('O:%d:"%s":0:{}', strlen($f['class']), $f['class'])); |
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$ellipsis = 0; |
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$templateSrc = method_exists($template, 'getSourceContext') ? $template->getSourceContext()->getCode() : (method_exists($template, 'getSource') ? $template->getSource() : ''); |
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$templateInfo = $template->getDebugInfo(); |
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if (isset($templateInfo[$f['line']])) { |
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if (!method_exists($template, 'getSourceContext') || !file_exists($templatePath = $template->getSourceContext()->getPath())) { |
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$templatePath = null; |
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} |
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if ($templateSrc) { |
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$src = self::extractSource($templateSrc, $templateInfo[$f['line']], self::$srcContext, $caller, 'twig', $templatePath); |
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$srcKey = ($templatePath ?: $template->getTemplateName()) . ':' . $templateInfo[$f['line']]; |
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} |
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} |
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} |
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if ($srcKey == $f['file']) { |
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$src = self::extractSource(file_get_contents($f['file']), $f['line'], self::$srcContext, $caller, 'php', $f['file']); |
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$srcKey .= ':' . $f['line']; |
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if ($ellipsis) { |
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$ellipsis += 1 + strlen($f['line']); |
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} |
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} |
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} |
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$srcAttr = $ellipsis ? 'ellipsis=' . $ellipsis : ''; |
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self::$framesCache[$cacheKey] = $a[$prefix . 'src'] = new EnumStub(array("\0~$srcAttr\0$srcKey" => $src)); |
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} |
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} |
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unset($a[$prefix . 'args'], $a[$prefix . 'line'], $a[$prefix . 'file']); |
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if ($frame->inTraceStub) { |
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unset($a[$prefix . 'class'], $a[$prefix . 'type'], $a[$prefix . 'function']); |
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} |
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foreach ($a as $k => $v) { |
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if (!$v) { |
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unset($a[$k]); |
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} |
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} |
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if ($frame->keepArgs && !empty($f['args'])) { |
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$a[$prefix . 'arguments'] = new ArgsStub($f['args'], $f['function'], $f['class']); |
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} |
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return $a; |
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} |
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private static function filterExceptionArray($xClass, array $a, $xPrefix, $filter) |
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{ |
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if (isset($a[$xPrefix . 'trace'])) { |
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$trace = $a[$xPrefix . 'trace']; |
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unset($a[$xPrefix . 'trace']); // Ensures the trace is always last |
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} else { |
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$trace = array(); |
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} |
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if (!($filter & Caster::EXCLUDE_VERBOSE)) { |
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if (isset($a[Caster::PREFIX_PROTECTED . 'file'], $a[Caster::PREFIX_PROTECTED . 'line'])) { |
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self::traceUnshift($trace, $xClass, $a[Caster::PREFIX_PROTECTED . 'file'], $a[Caster::PREFIX_PROTECTED . 'line']); |
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} |
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$a[$xPrefix . 'trace'] = new TraceStub($trace, self::$traceArgs); |
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} |
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if (empty($a[$xPrefix . 'previous'])) { |
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unset($a[$xPrefix . 'previous']); |
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} |
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unset($a[$xPrefix . 'string'], $a[Caster::PREFIX_DYNAMIC . 'xdebug_message'], $a[Caster::PREFIX_DYNAMIC . '__destructorException']); |
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if (isset($a[Caster::PREFIX_PROTECTED . 'file'], $a[Caster::PREFIX_PROTECTED . 'line'])) { |
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$a[Caster::PREFIX_PROTECTED . 'file'] = new LinkStub($a[Caster::PREFIX_PROTECTED . 'file'], $a[Caster::PREFIX_PROTECTED . 'line']); |
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} |
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return $a; |
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} |
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private static function traceUnshift(&$trace, $class, $file, $line) |
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{ |
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if (isset($trace[0]['file'], $trace[0]['line']) && $trace[0]['file'] === $file && $trace[0]['line'] === $line) { |
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return; |
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} |
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array_unshift($trace, array( |
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'function' => $class ? 'new ' . $class : null, |
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'file' => $file, |
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'line' => $line, |
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)); |
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} |
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private static function extractSource($srcLines, $line, $srcContext, $title, $lang, $file = null) |
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{ |
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$srcLines = explode("\n", $srcLines); |
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$src = array(); |
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for ($i = $line - 1 - $srcContext; $i <= $line - 1 + $srcContext; ++$i) { |
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$src[] = (isset($srcLines[$i]) ? $srcLines[$i] : '') . "\n"; |
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} |
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$srcLines = array(); |
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$ltrim = 0; |
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do { |
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$pad = null; |
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for ($i = $srcContext << 1; $i >= 0; --$i) { |
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if (isset($src[$i][$ltrim]) && "\r" !== ($c = $src[$i][$ltrim]) && "\n" !== $c) { |
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if (null === $pad) { |
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$pad = $c; |
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} |
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if ((' ' !== $c && "\t" !== $c) || $pad !== $c) { |
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break; |
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} |
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} |
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} |
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++$ltrim; |
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} while (0 > $i && null !== $pad); |
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--$ltrim; |
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foreach ($src as $i => $c) { |
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if ($ltrim) { |
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|
|
$c = isset($c[$ltrim]) && "\r" !== $c[$ltrim] ? substr($c, $ltrim) : ltrim($c, " \t"); |
|
281
|
|
|
} |
|
282
|
|
|
$c = substr($c, 0, -1); |
|
283
|
|
|
if ($i !== $srcContext) { |
|
284
|
|
|
$c = new ConstStub('default', $c); |
|
285
|
|
|
} else { |
|
286
|
|
|
$c = new ConstStub($c, $title); |
|
287
|
|
|
if (null !== $file) { |
|
288
|
|
|
$c->attr['file'] = $file; |
|
289
|
|
|
$c->attr['line'] = $line; |
|
290
|
|
|
} |
|
291
|
|
|
} |
|
292
|
|
|
$c->attr['lang'] = $lang; |
|
293
|
|
|
$srcLines[sprintf("\0~%d\0", $i + $line - $srcContext)] = $c; |
|
294
|
|
|
} |
|
295
|
|
|
|
|
296
|
|
|
return new EnumStub($srcLines); |
|
297
|
|
|
} |
|
298
|
|
|
} |
|
299
|
|
|
|
alxarafe /
alixar
