[DI] Add support for "wither" methods - for greater immutable services
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18cd3420a4
commit
f455d1bd97
@ -348,6 +348,9 @@ class XmlDescriptor extends Descriptor
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foreach ($calls as $callData) {
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$callsXML->appendChild($callXML = $dom->createElement('call'));
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$callXML->setAttribute('method', $callData[0]);
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if ($callData[2] ?? false) {
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$callXML->setAttribute('returns-clone', 'true');
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}
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}
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}
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@ -140,11 +140,41 @@ class AnalyzeServiceReferencesPass extends AbstractRecursivePass implements Repe
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$this->byConstructor = true;
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$this->processValue($value->getFactory());
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$this->processValue($value->getArguments());
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$properties = $value->getProperties();
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$setters = $value->getMethodCalls();
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// Any references before a "wither" are part of the constructor-instantiation graph
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$lastWitherIndex = null;
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foreach ($setters as $k => $call) {
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if ($call[2] ?? false) {
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$lastWitherIndex = $k;
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}
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}
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if (null !== $lastWitherIndex) {
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$this->processValue($properties);
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$setters = $properties = [];
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foreach ($value->getMethodCalls() as $k => $call) {
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if (null === $lastWitherIndex) {
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$setters[] = $call;
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continue;
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}
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if ($lastWitherIndex === $k) {
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$lastWitherIndex = null;
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}
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$this->processValue($call);
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}
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}
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$this->byConstructor = $byConstructor;
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if (!$this->onlyConstructorArguments) {
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$this->processValue($value->getProperties());
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$this->processValue($value->getMethodCalls());
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$this->processValue($properties);
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$this->processValue($setters);
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$this->processValue($value->getConfigurator());
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}
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$this->lazy = $lazy;
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@ -35,6 +35,7 @@ class AutowireRequiredMethodsPass extends AbstractRecursivePass
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}
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$alreadyCalledMethods = [];
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$withers = [];
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foreach ($value->getMethodCalls() as list($method)) {
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$alreadyCalledMethods[strtolower($method)] = true;
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@ -50,7 +51,11 @@ class AutowireRequiredMethodsPass extends AbstractRecursivePass
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while (true) {
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if (false !== $doc = $r->getDocComment()) {
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if (false !== stripos($doc, '@required') && preg_match('#(?:^/\*\*|\n\s*+\*)\s*+@required(?:\s|\*/$)#i', $doc)) {
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$value->addMethodCall($reflectionMethod->name);
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if (preg_match('#(?:^/\*\*|\n\s*+\*)\s*+@return\s++static[\s\*]#i', $doc)) {
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$withers[] = [$reflectionMethod->name, [], true];
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} else {
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$value->addMethodCall($reflectionMethod->name, []);
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}
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break;
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}
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if (false === stripos($doc, '@inheritdoc') || !preg_match('#(?:^/\*\*|\n\s*+\*)\s*+(?:\{@inheritdoc\}|@inheritdoc)(?:\s|\*/$)#i', $doc)) {
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@ -65,6 +70,15 @@ class AutowireRequiredMethodsPass extends AbstractRecursivePass
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}
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}
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if ($withers) {
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// Prepend withers to prevent creating circular loops
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$setters = $value->getMethodCalls();
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$value->setMethodCalls($withers);
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foreach ($setters as $call) {
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$value->addMethodCall($call[0], $call[1], $call[2] ?? false);
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}
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}
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return $value;
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}
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}
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@ -1139,8 +1139,15 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
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}
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}
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if ($tryProxy || !$definition->isLazy()) {
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// share only if proxying failed, or if not a proxy
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$lastWitherIndex = null;
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foreach ($definition->getMethodCalls() as $k => $call) {
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if ($call[2] ?? false) {
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$lastWitherIndex = $k;
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}
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}
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if (null === $lastWitherIndex && ($tryProxy || !$definition->isLazy())) {
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// share only if proxying failed, or if not a proxy, and if no withers are found
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$this->shareService($definition, $service, $id, $inlineServices);
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}
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@ -1149,8 +1156,13 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
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$service->$name = $value;
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}
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foreach ($definition->getMethodCalls() as $call) {
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$this->callMethod($service, $call, $inlineServices);
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foreach ($definition->getMethodCalls() as $k => $call) {
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$service = $this->callMethod($service, $call, $inlineServices);
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if ($lastWitherIndex === $k && ($tryProxy || !$definition->isLazy())) {
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// share only if proxying failed, or if not a proxy, and this is the last wither
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$this->shareService($definition, $service, $id, $inlineServices);
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}
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}
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if ($callable = $definition->getConfigurator()) {
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@ -1568,16 +1580,18 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
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{
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foreach (self::getServiceConditionals($call[1]) as $s) {
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if (!$this->has($s)) {
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return;
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return $service;
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}
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}
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foreach (self::getInitializedConditionals($call[1]) as $s) {
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if (!$this->doGet($s, ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE, $inlineServices)) {
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return;
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return $service;
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}
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}
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$service->{$call[0]}(...$this->doResolveServices($this->getParameterBag()->unescapeValue($this->getParameterBag()->resolveValue($call[1])), $inlineServices));
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$result = $service->{$call[0]}(...$this->doResolveServices($this->getParameterBag()->unescapeValue($this->getParameterBag()->resolveValue($call[1])), $inlineServices));
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return empty($call[2]) ? $service : $result;
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}
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/**
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@ -330,7 +330,7 @@ class Definition
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{
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$this->calls = [];
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foreach ($calls as $call) {
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$this->addMethodCall($call[0], $call[1]);
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$this->addMethodCall($call[0], $call[1], $call[2] ?? false);
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}
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return $this;
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@ -341,17 +341,18 @@ class Definition
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*
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* @param string $method The method name to call
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* @param array $arguments An array of arguments to pass to the method call
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* @param bool $returnsClone Whether the call returns the service instance or not
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*
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* @return $this
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*
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* @throws InvalidArgumentException on empty $method param
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*/
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public function addMethodCall($method, array $arguments = [])
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public function addMethodCall($method, array $arguments = []/*, bool $returnsClone = false*/)
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{
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if (empty($method)) {
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throw new InvalidArgumentException('Method name cannot be empty.');
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}
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$this->calls[] = [$method, $arguments];
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$this->calls[] = 2 < \func_num_args() && \func_get_arg(2) ? [$method, $arguments, true] : [$method, $arguments];
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return $this;
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}
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@ -506,7 +506,14 @@ EOF;
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$isProxyCandidate = $this->getProxyDumper()->isProxyCandidate($definition);
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$instantiation = '';
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if (!$isProxyCandidate && $definition->isShared() && !isset($this->singleUsePrivateIds[$id])) {
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$lastWitherIndex = null;
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foreach ($definition->getMethodCalls() as $k => $call) {
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if ($call[2] ?? false) {
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$lastWitherIndex = $k;
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}
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}
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if (!$isProxyCandidate && $definition->isShared() && !isset($this->singleUsePrivateIds[$id]) && null === $lastWitherIndex) {
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$instantiation = sprintf('$this->%s[\'%s\'] = %s', $this->container->getDefinition($id)->isPublic() ? 'services' : 'privates', $id, $isSimpleInstance ? '' : '$instance');
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} elseif (!$isSimpleInstance) {
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$instantiation = '$instance';
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@ -563,16 +570,32 @@ EOF;
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return true;
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}
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private function addServiceMethodCalls(Definition $definition, string $variableName = 'instance'): string
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private function addServiceMethodCalls(Definition $definition, string $variableName, ?string $sharedNonLazyId): string
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{
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$lastWitherIndex = null;
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foreach ($definition->getMethodCalls() as $k => $call) {
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if ($call[2] ?? false) {
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$lastWitherIndex = $k;
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}
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}
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$calls = '';
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foreach ($definition->getMethodCalls() as $call) {
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foreach ($definition->getMethodCalls() as $k => $call) {
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$arguments = [];
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foreach ($call[1] as $value) {
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$arguments[] = $this->dumpValue($value);
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}
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$calls .= $this->wrapServiceConditionals($call[1], sprintf(" \$%s->%s(%s);\n", $variableName, $call[0], implode(', ', $arguments)));
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$witherAssignation = '';
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if ($call[2] ?? false) {
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if (null !== $sharedNonLazyId && $lastWitherIndex === $k) {
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$witherAssignation = sprintf('$this->%s[\'%s\'] = ', $definition->isPublic() ? 'services' : 'privates', $sharedNonLazyId);
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}
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$witherAssignation .= sprintf('$%s = ', $variableName);
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}
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$calls .= $this->wrapServiceConditionals($call[1], sprintf(" %s\$%s->%s(%s);\n", $witherAssignation, $variableName, $call[0], implode(', ', $arguments)));
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}
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return $calls;
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@ -814,7 +837,7 @@ EOTXT
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}
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$code .= $this->addServiceProperties($inlineDef, $name);
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$code .= $this->addServiceMethodCalls($inlineDef, $name);
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$code .= $this->addServiceMethodCalls($inlineDef, $name, !$this->getProxyDumper()->isProxyCandidate($inlineDef) && $inlineDef->isShared() && !isset($this->singleUsePrivateIds[$id]) ? $id : null);
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$code .= $this->addServiceConfigurator($inlineDef, $name);
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}
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@ -84,6 +84,9 @@ class XmlDumper extends Dumper
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if (\count($methodcall[1])) {
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$this->convertParameters($methodcall[1], 'argument', $call);
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}
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if ($methodcall[2] ?? false) {
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$call->setAttribute('returns-clone', 'true');
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}
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$parent->appendChild($call);
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}
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}
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@ -337,7 +337,7 @@ class XmlFileLoader extends FileLoader
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}
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foreach ($this->getChildren($service, 'call') as $call) {
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$definition->addMethodCall($call->getAttribute('method'), $this->getArgumentsAsPhp($call, 'argument', $file));
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$definition->addMethodCall($call->getAttribute('method'), $this->getArgumentsAsPhp($call, 'argument', $file), XmlUtils::phpize($call->getAttribute('returns-clone')));
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}
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$tags = $this->getChildren($service, 'tag');
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@ -463,15 +463,17 @@ class YamlFileLoader extends FileLoader
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if (isset($call['method'])) {
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$method = $call['method'];
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$args = isset($call['arguments']) ? $this->resolveServices($call['arguments'], $file) : [];
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$returnsClone = $call['returns_clone'] ?? false;
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} else {
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$method = $call[0];
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$args = isset($call[1]) ? $this->resolveServices($call[1], $file) : [];
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$returnsClone = $call[2] ?? false;
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}
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if (!\is_array($args)) {
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throw new InvalidArgumentException(sprintf('The second parameter for function call "%s" must be an array of its arguments for service "%s" in %s. Check your YAML syntax.', $method, $id, $file));
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}
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$definition->addMethodCall($method, $args);
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$definition->addMethodCall($method, $args, $returnsClone);
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}
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}
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@ -243,6 +243,7 @@
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<xsd:element name="argument" type="argument" maxOccurs="unbounded" />
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</xsd:choice>
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<xsd:attribute name="method" type="xsd:string" />
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<xsd:attribute name="returns-clone" type="boolean" />
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</xsd:complexType>
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<xsd:simpleType name="parameter_type">
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@ -77,4 +77,26 @@ class AutowireRequiredMethodsPassTest extends TestCase
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);
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$this->assertEquals([], $methodCalls[0][1]);
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}
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public function testWitherInjection()
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{
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$container = new ContainerBuilder();
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$container->register(Foo::class);
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$container
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->register('wither', Wither::class)
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->setAutowired(true);
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(new ResolveClassPass())->process($container);
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(new AutowireRequiredMethodsPass())->process($container);
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$methodCalls = $container->getDefinition('wither')->getMethodCalls();
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$expected = [
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['withFoo1', [], true],
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['withFoo2', [], true],
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['setFoo', []],
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];
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$this->assertSame($expected, $methodCalls);
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}
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}
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@ -11,6 +11,7 @@
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namespace Symfony\Component\DependencyInjection\Tests;
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require_once __DIR__.'/Fixtures/includes/autowiring_classes.php';
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require_once __DIR__.'/Fixtures/includes/classes.php';
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require_once __DIR__.'/Fixtures/includes/ProjectExtension.php';
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@ -36,6 +37,8 @@ use Symfony\Component\DependencyInjection\ParameterBag\EnvPlaceholderParameterBa
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use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
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use Symfony\Component\DependencyInjection\Reference;
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use Symfony\Component\DependencyInjection\ServiceLocator;
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use Symfony\Component\DependencyInjection\Tests\Compiler\Foo;
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use Symfony\Component\DependencyInjection\Tests\Compiler\Wither;
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use Symfony\Component\DependencyInjection\Tests\Fixtures\CaseSensitiveClass;
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use Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition;
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use Symfony\Component\DependencyInjection\Tests\Fixtures\SimilarArgumentsDummy;
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@ -1565,6 +1568,22 @@ class ContainerBuilderTest extends TestCase
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$this->assertSame(['service_container'], array_keys($container->getDefinitions()));
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}
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public function testWither()
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{
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$container = new ContainerBuilder();
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$container->register(Foo::class);
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$container
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->register('wither', Wither::class)
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->setPublic(true)
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->setAutowired(true);
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$container->compile();
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$wither = $container->get('wither');
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$this->assertInstanceOf(Foo::class, $wither->foo);
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}
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}
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class FooClass
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@ -95,10 +95,16 @@ class DefinitionTest extends TestCase
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$this->assertEquals([['foo', ['foo']]], $def->getMethodCalls(), '->getMethodCalls() returns the methods to call');
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$this->assertSame($def, $def->addMethodCall('bar', ['bar']), '->addMethodCall() implements a fluent interface');
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$this->assertEquals([['foo', ['foo']], ['bar', ['bar']]], $def->getMethodCalls(), '->addMethodCall() adds a method to call');
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$this->assertSame($def, $def->addMethodCall('foobar', ['foobar'], true), '->addMethodCall() implements a fluent interface with third parameter');
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$this->assertEquals([['foo', ['foo']], ['bar', ['bar']], ['foobar', ['foobar'], true]], $def->getMethodCalls(), '->addMethodCall() adds a method to call');
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$this->assertTrue($def->hasMethodCall('bar'), '->hasMethodCall() returns true if first argument is a method to call registered');
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$this->assertFalse($def->hasMethodCall('no_registered'), '->hasMethodCall() returns false if first argument is not a method to call registered');
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$this->assertSame($def, $def->removeMethodCall('bar'), '->removeMethodCall() implements a fluent interface');
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$this->assertTrue($def->hasMethodCall('foobar'), '->hasMethodCall() returns true if first argument is a method to call registered');
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$this->assertSame($def, $def->removeMethodCall('foobar'), '->removeMethodCall() implements a fluent interface');
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$this->assertEquals([['foo', ['foo']]], $def->getMethodCalls(), '->removeMethodCall() removes a method to call');
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$this->assertSame($def, $def->setMethodCalls([['foobar', ['foobar'], true]]), '->setMethodCalls() implements a fluent interface with third parameter');
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$this->assertEquals([['foobar', ['foobar'], true]], $def->getMethodCalls(), '->addMethodCall() adds a method to call');
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}
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/**
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@ -30,6 +30,8 @@ use Symfony\Component\DependencyInjection\Parameter;
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use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
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use Symfony\Component\DependencyInjection\Reference;
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use Symfony\Component\DependencyInjection\ServiceLocator;
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use Symfony\Component\DependencyInjection\Tests\Compiler\Foo;
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use Symfony\Component\DependencyInjection\Tests\Compiler\Wither;
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use Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition;
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use Symfony\Component\DependencyInjection\Tests\Fixtures\StubbedTranslator;
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use Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber;
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@ -37,6 +39,7 @@ use Symfony\Component\DependencyInjection\TypedReference;
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use Symfony\Component\DependencyInjection\Variable;
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use Symfony\Component\ExpressionLanguage\Expression;
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require_once __DIR__.'/../Fixtures/includes/autowiring_classes.php';
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require_once __DIR__.'/../Fixtures/includes/classes.php';
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class PhpDumperTest extends TestCase
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@ -1170,6 +1173,28 @@ class PhpDumperTest extends TestCase
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$container->set('foo5', $foo5 = new \stdClass());
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$this->assertSame($foo5, $locator->get('foo5'));
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}
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public function testWither()
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{
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$container = new ContainerBuilder();
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$container->register(Foo::class);
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$container
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->register('wither', Wither::class)
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->setPublic(true)
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->setAutowired(true);
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$container->compile();
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$dumper = new PhpDumper($container);
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$dump = $dumper->dump(['class' => 'Symfony_DI_PhpDumper_Service_Wither']);
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$this->assertStringEqualsFile(self::$fixturesPath.'/php/services_wither.php', $dump);
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eval('?>'.$dump);
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$container = new \Symfony_DI_PhpDumper_Service_Wither();
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$wither = $container->get('wither');
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$this->assertInstanceOf(Foo::class, $wither->foo);
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}
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}
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class Rot13EnvVarProcessor implements EnvVarProcessorInterface
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@ -278,6 +278,39 @@ class SetterInjection extends SetterInjectionParent
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}
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}
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class Wither
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{
|
||||
public $foo;
|
||||
|
||||
/**
|
||||
* @required
|
||||
*/
|
||||
public function setFoo(Foo $foo)
|
||||
{
|
||||
}
|
||||
|
||||
/**
|
||||
* @required
|
||||
* @return static
|
||||
*/
|
||||
public function withFoo1(Foo $foo)
|
||||
{
|
||||
return $this->withFoo2($foo);
|
||||
}
|
||||
|
||||
/**
|
||||
* @required
|
||||
* @return static
|
||||
*/
|
||||
public function withFoo2(Foo $foo)
|
||||
{
|
||||
$new = clone $this;
|
||||
$new->foo = $foo;
|
||||
|
||||
return $new;
|
||||
}
|
||||
}
|
||||
|
||||
class SetterInjectionParent
|
||||
{
|
||||
/** @required*/
|
||||
|
@ -0,0 +1,68 @@
|
||||
<?php
|
||||
|
||||
use Symfony\Component\DependencyInjection\Argument\RewindableGenerator;
|
||||
use Symfony\Component\DependencyInjection\ContainerInterface;
|
||||
use Symfony\Component\DependencyInjection\Container;
|
||||
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
|
||||
use Symfony\Component\DependencyInjection\Exception\LogicException;
|
||||
use Symfony\Component\DependencyInjection\Exception\RuntimeException;
|
||||
use Symfony\Component\DependencyInjection\ParameterBag\FrozenParameterBag;
|
||||
|
||||
/**
|
||||
* This class has been auto-generated
|
||||
* by the Symfony Dependency Injection Component.
|
||||
*
|
||||
* @final since Symfony 3.3
|
||||
*/
|
||||
class Symfony_DI_PhpDumper_Service_Wither extends Container
|
||||
{
|
||||
private $parameters;
|
||||
private $targetDirs = [];
|
||||
|
||||
public function __construct()
|
||||
{
|
||||
$this->services = $this->privates = [];
|
||||
$this->methodMap = [
|
||||
'wither' => 'getWitherService',
|
||||
];
|
||||
|
||||
$this->aliases = [];
|
||||
}
|
||||
|
||||
public function compile()
|
||||
{
|
||||
throw new LogicException('You cannot compile a dumped container that was already compiled.');
|
||||
}
|
||||
|
||||
public function isCompiled()
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
public function getRemovedIds()
|
||||
{
|
||||
return [
|
||||
'Psr\\Container\\ContainerInterface' => true,
|
||||
'Symfony\\Component\\DependencyInjection\\ContainerInterface' => true,
|
||||
'Symfony\\Component\\DependencyInjection\\Tests\\Compiler\\Foo' => true,
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the public 'wither' shared autowired service.
|
||||
*
|
||||
* @return \Symfony\Component\DependencyInjection\Tests\Compiler\Wither
|
||||
*/
|
||||
protected function getWitherService()
|
||||
{
|
||||
$instance = new \Symfony\Component\DependencyInjection\Tests\Compiler\Wither();
|
||||
|
||||
$a = new \Symfony\Component\DependencyInjection\Tests\Compiler\Foo();
|
||||
|
||||
$instance = $instance->withFoo1($a);
|
||||
$this->services['wither'] = $instance = $instance->withFoo2($a);
|
||||
$instance->setFoo($a);
|
||||
|
||||
return $instance;
|
||||
}
|
||||
}
|
Reference in New Issue
Block a user