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[Config][ReflectionClassResource] Handle parameters with undefined constant as their default values #34560

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Merged
merged 1 commit into from
Nov 29, 2019
+62 −6
Merged

[Config][ReflectionClassResource] Handle parameters with undefined constant as their default values #34560

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50 changes: 47 additions & 3 deletions src/Symfony/Component/Config/Resource/ReflectionClassResource.php
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Original file line number Diff line number Diff line change
Expand Up @@ -151,12 +151,56 @@ private function generateSignature(\ReflectionClass $class)
}
} else {
foreach ($class->getMethods(\ReflectionMethod::IS_PUBLIC | \ReflectionMethod::IS_PROTECTED) as $m) {
yield preg_replace('/^ @@.*/m', '', $m);

$defaults = [];
$parametersWithUndefinedConstants = [];
foreach ($m->getParameters() as $p) {
$defaults[$p->name] = $p->isDefaultValueAvailable() ? $p->getDefaultValue() : null;
if (!$p->isDefaultValueAvailable()) {
$defaults[$p->name] = null;

continue;
}

if (!$p->isDefaultValueConstant() || \defined($p->getDefaultValueConstantName())) {
$defaults[$p->name] = $p->getDefaultValue();

continue;
}

$defaults[$p->name] = $p->getDefaultValueConstantName();
$parametersWithUndefinedConstants[$p->name] = true;
}

if (!$parametersWithUndefinedConstants) {
yield preg_replace('/^ @@.*/m', '', $m);
} else {
$stack = [
$m->getDocComment(),
$m->getName(),
$m->isAbstract(),
$m->isFinal(),
$m->isStatic(),
$m->isPublic(),
$m->isPrivate(),
$m->isProtected(),
$m->returnsReference(),
\PHP_VERSION_ID >= 70000 && $m->hasReturnType() ? (\PHP_VERSION_ID >= 70100 ? $m->getReturnType()->getName() : (string) $m->getReturnType()) : '',
];

foreach ($m->getParameters() as $p) {
if (!isset($parametersWithUndefinedConstants[$p->name])) {
$stack[] = (string) $p;
} else {
$stack[] = $p->isOptional();
$stack[] = \PHP_VERSION_ID >= 70000 && $p->hasType() ? (\PHP_VERSION_ID >= 70100 ? $p->getType()->getName() : (string) $p->getType()) : '';
$stack[] = $p->isPassedByReference();
$stack[] = \PHP_VERSION_ID >= 50600 ? $p->isVariadic() : '';
$stack[] = $p->getName();
}
}

yield implode(',', $stack);
}

yield print_r($defaults, true);
}
}
Expand Down
18 changes: 15 additions & 3 deletions src/Symfony/Component/Config/Tests/Resource/ReflectionClassResourceTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -63,8 +63,12 @@ public function testIsFreshForDeletedResources()
/**
* @dataProvider provideHashedSignature
*/
public function testHashedSignature($changeExpected, $changedLine, $changedCode)
public function testHashedSignature($changeExpected, $changedLine, $changedCode, $setContext = null)
{
if ($setContext) {
$setContext();
}

$code = <<<'EOPHP'
/* 0*/
/* 1*/ class %s extends ErrorException
Expand All @@ -82,7 +86,9 @@ public function testHashedSignature($changeExpected, $changedLine, $changedCode)
/*13*/ protected function prot($a = []) {}
/*14*/
/*15*/ private function priv() {}
/*16*/ }
/*16*/
/*17*/ public function ccc($bar = A_CONSTANT_THAT_FOR_SURE_WILL_NEVER_BE_DEFINED_CCCCCC) {}
/*18*/ }
EOPHP;

static $expectedSignature, $generateSignature;
Expand All @@ -97,7 +103,9 @@ public function testHashedSignature($changeExpected, $changedLine, $changedCode)
}

$code = explode("\n", $code);
$code[$changedLine] = $changedCode;
if (null !== $changedCode) {
$code[$changedLine] = $changedCode;
}
eval(sprintf(implode("\n", $code), $class = 'Foo'.str_replace('.', '_', uniqid('', true))));
$signature = implode("\n", iterator_to_array($generateSignature(new \ReflectionClass($class))));

Expand Down Expand Up @@ -145,6 +153,10 @@ public function provideHashedSignature()
yield [0, 7, 'protected int $prot;'];
yield [0, 9, 'private string $priv;'];
}

yield [1, 17, 'public function ccc($bar = 187) {}'];
yield [1, 17, 'public function ccc($bar = ANOTHER_ONE_THAT_WILL_NEVER_BE_DEFINED_CCCCCCCCC) {}'];
yield [1, 17, null, static function () { \define('A_CONSTANT_THAT_FOR_SURE_WILL_NEVER_BE_DEFINED_CCCCCC', 'foo'); }];
}

public function testEventSubscriber()
Expand Down