Viewing file:  ReflectionCaster.php (9.96 KB) -rw-r--r--
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\VarDumper\Caster;
use Symfony\Component\VarDumper\Cloner\Stub;
/**
* Casts Reflector related classes to array representation.
*
* @author Nicolas Grekas <p@tchwork.com>
*/
class ReflectionCaster
{
private static $extraMap = array(
'docComment' => 'getDocComment',
'extension' => 'getExtensionName',
'isDisabled' => 'isDisabled',
'isDeprecated' => 'isDeprecated',
'isInternal' => 'isInternal',
'isUserDefined' => 'isUserDefined',
'isGenerator' => 'isGenerator',
'isVariadic' => 'isVariadic',
);
public static function castClosure(\Closure $c, array $a, Stub $stub, $isNested)
{
$prefix = Caster::PREFIX_VIRTUAL;
$c = new \ReflectionFunction($c);
$stub->class = 'Closure'; // HHVM generates unique class names for closures
$a = static::castFunctionAbstract($c, $a, $stub, $isNested);
if (isset($a[$prefix.'parameters'])) {
foreach ($a[$prefix.'parameters']->value as &$v) {
$param = $v;
$v = new EnumStub(array());
foreach (static::castParameter($param, array(), $stub, true) as $k => $param) {
if ("\0" === $k[0]) {
$v->value[substr($k, 3)] = $param;
}
}
unset($v->value['position'], $v->value['isVariadic'], $v->value['byReference'], $v);
}
}
if ($f = $c->getFileName()) {
$a[$prefix.'file'] = $f;
$a[$prefix.'line'] = $c->getStartLine().' to '.$c->getEndLine();
}
$prefix = Caster::PREFIX_DYNAMIC;
unset($a['name'], $a[$prefix.'0'], $a[$prefix.'this'], $a[$prefix.'parameter'], $a[Caster::PREFIX_VIRTUAL.'extra']);
return $a;
}
public static function castGenerator(\Generator $c, array $a, Stub $stub, $isNested)
{
return class_exists('ReflectionGenerator', false) ? self::castReflectionGenerator(new \ReflectionGenerator($c), $a, $stub, $isNested) : $a;
}
public static function castType(\ReflectionType $c, array $a, Stub $stub, $isNested)
{
$prefix = Caster::PREFIX_VIRTUAL;
$a += array(
$prefix.'type' => $c->__toString(),
$prefix.'allowsNull' => $c->allowsNull(),
$prefix.'isBuiltin' => $c->isBuiltin(),
);
return $a;
}
public static function castReflectionGenerator(\ReflectionGenerator $c, array $a, Stub $stub, $isNested)
{
$prefix = Caster::PREFIX_VIRTUAL;
if ($c->getThis()) {
$a[$prefix.'this'] = new CutStub($c->getThis());
}
$x = $c->getFunction();
$frame = array(
'class' => isset($x->class) ? $x->class : null,
'type' => isset($x->class) ? ($x->isStatic() ? '::' : '->') : null,
'function' => $x->name,
'file' => $c->getExecutingFile(),
'line' => $c->getExecutingLine(),
);
if ($trace = $c->getTrace(DEBUG_BACKTRACE_IGNORE_ARGS)) {
$x = new \ReflectionGenerator($c->getExecutingGenerator());
array_unshift($trace, array(
'function' => 'yield',
'file' => $x->getExecutingFile(),
'line' => $x->getExecutingLine() - 1,
));
$trace[] = $frame;
$a[$prefix.'trace'] = new TraceStub($trace, false, 0, -1, -1);
} else {
$x = new FrameStub($frame, false, true);
$x = ExceptionCaster::castFrameStub($x, array(), $x, true);
$a[$prefix.'executing'] = new EnumStub(array(
$frame['class'].$frame['type'].$frame['function'].'()' => $x[$prefix.'src'],
));
}
return $a;
}
public static function castClass(\ReflectionClass $c, array $a, Stub $stub, $isNested, $filter = 0)
{
$prefix = Caster::PREFIX_VIRTUAL;
if ($n = \Reflection::getModifierNames($c->getModifiers())) {
$a[$prefix.'modifiers'] = implode(' ', $n);
}
self::addMap($a, $c, array(
'extends' => 'getParentClass',
'implements' => 'getInterfaceNames',
'constants' => 'getConstants',
));
foreach ($c->getProperties() as $n) {
$a[$prefix.'properties'][$n->name] = $n;
}
foreach ($c->getMethods() as $n) {
$a[$prefix.'methods'][$n->name] = $n;
}
if (!($filter & Caster::EXCLUDE_VERBOSE) && !$isNested) {
self::addExtra($a, $c);
}
return $a;
}
public static function castFunctionAbstract(\ReflectionFunctionAbstract $c, array $a, Stub $stub, $isNested, $filter = 0)
{
$prefix = Caster::PREFIX_VIRTUAL;
self::addMap($a, $c, array(
'returnsReference' => 'returnsReference',
'returnType' => 'getReturnType',
'class' => 'getClosureScopeClass',
'this' => 'getClosureThis',
));
if (isset($a[$prefix.'returnType'])) {
$a[$prefix.'returnType'] = (string) $a[$prefix.'returnType'];
}
if (isset($a[$prefix.'this'])) {
$a[$prefix.'this'] = new CutStub($a[$prefix.'this']);
}
foreach ($c->getParameters() as $v) {
$k = '$'.$v->name;
if ($v->isPassedByReference()) {
$k = '&'.$k;
}
if (method_exists($v, 'isVariadic') && $v->isVariadic()) {
$k = '...'.$k;
}
$a[$prefix.'parameters'][$k] = $v;
}
if (isset($a[$prefix.'parameters'])) {
$a[$prefix.'parameters'] = new EnumStub($a[$prefix.'parameters']);
}
if ($v = $c->getStaticVariables()) {
foreach ($v as $k => &$v) {
$a[$prefix.'use']['$'.$k] = &$v;
}
unset($v);
$a[$prefix.'use'] = new EnumStub($a[$prefix.'use']);
}
if (!($filter & Caster::EXCLUDE_VERBOSE) && !$isNested) {
self::addExtra($a, $c);
}
// Added by HHVM
unset($a[Caster::PREFIX_DYNAMIC.'static']);
return $a;
}
public static function castMethod(\ReflectionMethod $c, array $a, Stub $stub, $isNested)
{
$a[Caster::PREFIX_VIRTUAL.'modifiers'] = implode(' ', \Reflection::getModifierNames($c->getModifiers()));
return $a;
}
public static function castParameter(\ReflectionParameter $c, array $a, Stub $stub, $isNested)
{
$prefix = Caster::PREFIX_VIRTUAL;
// Added by HHVM
unset($a['info']);
self::addMap($a, $c, array(
'position' => 'getPosition',
'isVariadic' => 'isVariadic',
'byReference' => 'isPassedByReference',
));
try {
if (method_exists($c, 'hasType')) {
if ($c->hasType()) {
$a[$prefix.'typeHint'] = $c->getType()->__toString();
}
} else {
$v = explode(' ', $c->__toString(), 6);
if (isset($v[5]) && 0 === strspn($v[4], '.&$')) {
$a[$prefix.'typeHint'] = $v[4];
}
}
} catch (\ReflectionException $e) {
if (preg_match('/^Class ([^ ]++) does not exist$/', $e->getMessage(), $m)) {
$a[$prefix.'typeHint'] = $m[1];
}
}
try {
$a[$prefix.'default'] = $v = $c->getDefaultValue();
if (method_exists($c, 'isDefaultValueConstant') && $c->isDefaultValueConstant()) {
$a[$prefix.'default'] = new ConstStub($c->getDefaultValueConstantName(), $v);
}
} catch (\ReflectionException $e) {
if (isset($a[$prefix.'typeHint']) && $c->allowsNull()) {
$a[$prefix.'default'] = null;
}
}
return $a;
}
public static function castProperty(\ReflectionProperty $c, array $a, Stub $stub, $isNested)
{
$a[Caster::PREFIX_VIRTUAL.'modifiers'] = implode(' ', \Reflection::getModifierNames($c->getModifiers()));
self::addExtra($a, $c);
return $a;
}
public static function castExtension(\ReflectionExtension $c, array $a, Stub $stub, $isNested)
{
self::addMap($a, $c, array(
'version' => 'getVersion',
'dependencies' => 'getDependencies',
'iniEntries' => 'getIniEntries',
'isPersistent' => 'isPersistent',
'isTemporary' => 'isTemporary',
'constants' => 'getConstants',
'functions' => 'getFunctions',
'classes' => 'getClasses',
));
return $a;
}
public static function castZendExtension(\ReflectionZendExtension $c, array $a, Stub $stub, $isNested)
{
self::addMap($a, $c, array(
'version' => 'getVersion',
'author' => 'getAuthor',
'copyright' => 'getCopyright',
'url' => 'getURL',
));
return $a;
}
private static function addExtra(&$a, \Reflector $c)
{
$x = isset($a[Caster::PREFIX_VIRTUAL.'extra']) ? $a[Caster::PREFIX_VIRTUAL.'extra']->value : array();
if (method_exists($c, 'getFileName') && $m = $c->getFileName()) {
$x['file'] = $m;
$x['line'] = $c->getStartLine().' to '.$c->getEndLine();
}
self::addMap($x, $c, self::$extraMap, '');
if ($x) {
$a[Caster::PREFIX_VIRTUAL.'extra'] = new EnumStub($x);
}
}
private static function addMap(&$a, \Reflector $c, $map, $prefix = Caster::PREFIX_VIRTUAL)
{
foreach ($map as $k => $m) {
if (method_exists($c, $m) && false !== ($m = $c->$m()) && null !== $m) {
$a[$prefix.$k] = $m instanceof \Reflector ? $m->name : $m;
}
}
}
}
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