337 lines
11 KiB
PHP
337 lines
11 KiB
PHP
<?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 <fabien@symfony.com>
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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\Cloner\Stub;
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/**
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* Casts Reflector related classes to array representation.
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*
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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class ReflectionCaster
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{
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private static $extraMap = array(
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'docComment' => 'getDocComment',
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'extension' => 'getExtensionName',
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'isDisabled' => 'isDisabled',
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'isDeprecated' => 'isDeprecated',
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'isInternal' => 'isInternal',
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'isUserDefined' => 'isUserDefined',
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'isGenerator' => 'isGenerator',
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'isVariadic' => 'isVariadic',
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);
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public static function castClosure(\Closure $c, array $a, Stub $stub, $isNested, $filter = 0)
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{
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$prefix = Caster::PREFIX_VIRTUAL;
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$c = new \ReflectionFunction($c);
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$stub->class = 'Closure'; // HHVM generates unique class names for closures
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$a = static::castFunctionAbstract($c, $a, $stub, $isNested, $filter);
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if (isset($a[$prefix.'parameters'])) {
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foreach ($a[$prefix.'parameters']->value as &$v) {
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$param = $v;
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$v = new EnumStub(array());
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foreach (static::castParameter($param, array(), $stub, true) as $k => $param) {
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if ("\0" === $k[0]) {
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$v->value[substr($k, 3)] = $param;
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}
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}
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unset($v->value['position'], $v->value['isVariadic'], $v->value['byReference'], $v);
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}
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}
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if (!($filter & Caster::EXCLUDE_VERBOSE) && $f = $c->getFileName()) {
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$a[$prefix.'file'] = new LinkStub($f, $c->getStartLine());
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$a[$prefix.'line'] = $c->getStartLine().' to '.$c->getEndLine();
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}
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$prefix = Caster::PREFIX_DYNAMIC;
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unset($a['name'], $a[$prefix.'this'], $a[$prefix.'parameter'], $a[Caster::PREFIX_VIRTUAL.'extra']);
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return $a;
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}
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public static function castGenerator(\Generator $c, array $a, Stub $stub, $isNested)
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{
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if (!class_exists('ReflectionGenerator', false)) {
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return $a;
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}
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// Cannot create ReflectionGenerator based on a terminated Generator
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try {
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$reflectionGenerator = new \ReflectionGenerator($c);
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} catch (\Exception $e) {
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$a[Caster::PREFIX_VIRTUAL.'closed'] = true;
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return $a;
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}
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return self::castReflectionGenerator($reflectionGenerator, $a, $stub, $isNested);
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}
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public static function castType(\ReflectionType $c, array $a, Stub $stub, $isNested)
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{
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$prefix = Caster::PREFIX_VIRTUAL;
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$a += array(
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$prefix.'name' => $c instanceof \ReflectionNamedType ? $c->getName() : $c->__toString(),
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$prefix.'allowsNull' => $c->allowsNull(),
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$prefix.'isBuiltin' => $c->isBuiltin(),
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);
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return $a;
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}
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public static function castReflectionGenerator(\ReflectionGenerator $c, array $a, Stub $stub, $isNested)
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{
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$prefix = Caster::PREFIX_VIRTUAL;
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if ($c->getThis()) {
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$a[$prefix.'this'] = new CutStub($c->getThis());
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}
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$function = $c->getFunction();
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$frame = array(
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'class' => isset($function->class) ? $function->class : null,
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'type' => isset($function->class) ? ($function->isStatic() ? '::' : '->') : null,
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'function' => $function->name,
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'file' => $c->getExecutingFile(),
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'line' => $c->getExecutingLine(),
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);
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if ($trace = $c->getTrace(DEBUG_BACKTRACE_IGNORE_ARGS)) {
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$function = new \ReflectionGenerator($c->getExecutingGenerator());
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array_unshift($trace, array(
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'function' => 'yield',
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'file' => $function->getExecutingFile(),
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'line' => $function->getExecutingLine() - 1,
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));
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$trace[] = $frame;
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$a[$prefix.'trace'] = new TraceStub($trace, false, 0, -1, -1);
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} else {
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$function = new FrameStub($frame, false, true);
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$function = ExceptionCaster::castFrameStub($function, array(), $function, true);
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$a[$prefix.'executing'] = new EnumStub(array(
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"\0~separator= \0".$frame['class'].$frame['type'].$frame['function'].'()' => $function[$prefix.'src'],
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));
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}
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$a[Caster::PREFIX_VIRTUAL.'closed'] = false;
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return $a;
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}
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public static function castClass(\ReflectionClass $c, array $a, Stub $stub, $isNested, $filter = 0)
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{
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$prefix = Caster::PREFIX_VIRTUAL;
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if ($n = \Reflection::getModifierNames($c->getModifiers())) {
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$a[$prefix.'modifiers'] = implode(' ', $n);
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}
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self::addMap($a, $c, array(
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'extends' => 'getParentClass',
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'implements' => 'getInterfaceNames',
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'constants' => 'getConstants',
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));
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foreach ($c->getProperties() as $n) {
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$a[$prefix.'properties'][$n->name] = $n;
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}
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foreach ($c->getMethods() as $n) {
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$a[$prefix.'methods'][$n->name] = $n;
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}
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if (!($filter & Caster::EXCLUDE_VERBOSE) && !$isNested) {
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self::addExtra($a, $c);
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}
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return $a;
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}
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public static function castFunctionAbstract(\ReflectionFunctionAbstract $c, array $a, Stub $stub, $isNested, $filter = 0)
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{
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$prefix = Caster::PREFIX_VIRTUAL;
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self::addMap($a, $c, array(
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'returnsReference' => 'returnsReference',
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'returnType' => 'getReturnType',
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'class' => 'getClosureScopeClass',
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'this' => 'getClosureThis',
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));
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if (isset($a[$prefix.'returnType'])) {
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$v = $a[$prefix.'returnType'];
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$v = $v instanceof \ReflectionNamedType ? $v->getName() : $v->__toString();
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$a[$prefix.'returnType'] = new ClassStub($a[$prefix.'returnType']->allowsNull() ? '?'.$v : $v, array(class_exists($v, false) || interface_exists($v, false) || trait_exists($v, false) ? $v : '', ''));
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}
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if (isset($a[$prefix.'class'])) {
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$a[$prefix.'class'] = new ClassStub($a[$prefix.'class']);
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}
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if (isset($a[$prefix.'this'])) {
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$a[$prefix.'this'] = new CutStub($a[$prefix.'this']);
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}
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foreach ($c->getParameters() as $v) {
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$k = '$'.$v->name;
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if (method_exists($v, 'isVariadic') && $v->isVariadic()) {
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$k = '...'.$k;
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}
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if ($v->isPassedByReference()) {
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$k = '&'.$k;
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}
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$a[$prefix.'parameters'][$k] = $v;
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}
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if (isset($a[$prefix.'parameters'])) {
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$a[$prefix.'parameters'] = new EnumStub($a[$prefix.'parameters']);
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}
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if ($v = $c->getStaticVariables()) {
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foreach ($v as $k => &$v) {
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if (\is_object($v)) {
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$a[$prefix.'use']['$'.$k] = new CutStub($v);
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} else {
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$a[$prefix.'use']['$'.$k] = &$v;
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}
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}
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unset($v);
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$a[$prefix.'use'] = new EnumStub($a[$prefix.'use']);
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}
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if (!($filter & Caster::EXCLUDE_VERBOSE) && !$isNested) {
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self::addExtra($a, $c);
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}
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// Added by HHVM
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unset($a[Caster::PREFIX_DYNAMIC.'static']);
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return $a;
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}
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public static function castMethod(\ReflectionMethod $c, array $a, Stub $stub, $isNested)
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{
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$a[Caster::PREFIX_VIRTUAL.'modifiers'] = implode(' ', \Reflection::getModifierNames($c->getModifiers()));
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return $a;
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}
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public static function castParameter(\ReflectionParameter $c, array $a, Stub $stub, $isNested)
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{
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$prefix = Caster::PREFIX_VIRTUAL;
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// Added by HHVM
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unset($a['info']);
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self::addMap($a, $c, array(
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'position' => 'getPosition',
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'isVariadic' => 'isVariadic',
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'byReference' => 'isPassedByReference',
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'allowsNull' => 'allowsNull',
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));
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if (method_exists($c, 'getType')) {
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if ($v = $c->getType()) {
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$a[$prefix.'typeHint'] = $v instanceof \ReflectionNamedType ? $v->getName() : $v->__toString();
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}
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} elseif (preg_match('/^(?:[^ ]++ ){4}([a-zA-Z_\x7F-\xFF][^ ]++)/', $c, $v)) {
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$a[$prefix.'typeHint'] = $v[1];
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}
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if (isset($a[$prefix.'typeHint'])) {
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$v = $a[$prefix.'typeHint'];
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$a[$prefix.'typeHint'] = new ClassStub($v, array(class_exists($v, false) || interface_exists($v, false) || trait_exists($v, false) ? $v : '', ''));
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} else {
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unset($a[$prefix.'allowsNull']);
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}
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try {
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$a[$prefix.'default'] = $v = $c->getDefaultValue();
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if (method_exists($c, 'isDefaultValueConstant') && $c->isDefaultValueConstant()) {
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$a[$prefix.'default'] = new ConstStub($c->getDefaultValueConstantName(), $v);
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}
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if (null === $v) {
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unset($a[$prefix.'allowsNull']);
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}
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} catch (\ReflectionException $e) {
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if (isset($a[$prefix.'typeHint']) && $c->allowsNull() && !class_exists('ReflectionNamedType', false)) {
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$a[$prefix.'default'] = null;
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unset($a[$prefix.'allowsNull']);
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}
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}
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return $a;
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}
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public static function castProperty(\ReflectionProperty $c, array $a, Stub $stub, $isNested)
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{
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$a[Caster::PREFIX_VIRTUAL.'modifiers'] = implode(' ', \Reflection::getModifierNames($c->getModifiers()));
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self::addExtra($a, $c);
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return $a;
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}
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public static function castExtension(\ReflectionExtension $c, array $a, Stub $stub, $isNested)
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{
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self::addMap($a, $c, array(
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'version' => 'getVersion',
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'dependencies' => 'getDependencies',
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'iniEntries' => 'getIniEntries',
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'isPersistent' => 'isPersistent',
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'isTemporary' => 'isTemporary',
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'constants' => 'getConstants',
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'functions' => 'getFunctions',
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'classes' => 'getClasses',
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));
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return $a;
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}
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public static function castZendExtension(\ReflectionZendExtension $c, array $a, Stub $stub, $isNested)
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{
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self::addMap($a, $c, array(
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'version' => 'getVersion',
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'author' => 'getAuthor',
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'copyright' => 'getCopyright',
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'url' => 'getURL',
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));
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return $a;
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}
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private static function addExtra(&$a, \Reflector $c)
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{
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$x = isset($a[Caster::PREFIX_VIRTUAL.'extra']) ? $a[Caster::PREFIX_VIRTUAL.'extra']->value : array();
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if (method_exists($c, 'getFileName') && $m = $c->getFileName()) {
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$x['file'] = new LinkStub($m, $c->getStartLine());
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$x['line'] = $c->getStartLine().' to '.$c->getEndLine();
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}
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self::addMap($x, $c, self::$extraMap, '');
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if ($x) {
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$a[Caster::PREFIX_VIRTUAL.'extra'] = new EnumStub($x);
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}
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}
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private static function addMap(&$a, \Reflector $c, $map, $prefix = Caster::PREFIX_VIRTUAL)
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{
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foreach ($map as $k => $m) {
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if (method_exists($c, $m) && false !== ($m = $c->$m()) && null !== $m) {
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$a[$prefix.$k] = $m instanceof \Reflector ? $m->name : $m;
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}
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}
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}
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}
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