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[Debug] Parse "x not found" errors correctly on php 8 #38049

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Merged
merged 1 commit into from
Sep 4, 2020
Merged

[Debug] Parse "x not found" errors correctly on php 8 #38049

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56 changes: 20 additions & 36 deletions src/Symfony/Component/Debug/FatalErrorHandler/ClassNotFoundFatalErrorHandler.php
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Original file line number Diff line number Diff line change
Expand Up @@ -29,50 +29,34 @@ class ClassNotFoundFatalErrorHandler implements FatalErrorHandlerInterface
*/
public function handleError(array $error, FatalErrorException $exception)
{
$messageLen = \strlen($error['message']);
$notFoundSuffix = '\' not found';
$notFoundSuffixLen = \strlen($notFoundSuffix);
if ($notFoundSuffixLen > $messageLen) {
if (!preg_match('/^(Class|Interface|Trait) [\'"]([^\'"]+)[\'"] not found$/', $error['message'], $matches)) {
return null;
}

if (0 !== substr_compare($error['message'], $notFoundSuffix, -$notFoundSuffixLen)) {
return null;
$typeName = strtolower($matches[1]);
$fullyQualifiedClassName = $matches[2];

if (false !== $namespaceSeparatorIndex = strrpos($fullyQualifiedClassName, '\\')) {
$className = substr($fullyQualifiedClassName, $namespaceSeparatorIndex + 1);
$namespacePrefix = substr($fullyQualifiedClassName, 0, $namespaceSeparatorIndex);
$message = sprintf('Attempted to load %s "%s" from namespace "%s".', $typeName, $className, $namespacePrefix);
$tail = ' for another namespace?';
} else {
$className = $fullyQualifiedClassName;
$message = sprintf('Attempted to load %s "%s" from the global namespace.', $typeName, $className);
$tail = '?';
}

foreach (['class', 'interface', 'trait'] as $typeName) {
$prefix = ucfirst($typeName).' \'';
$prefixLen = \strlen($prefix);
if (0 !== strpos($error['message'], $prefix)) {
continue;
}

$fullyQualifiedClassName = substr($error['message'], $prefixLen, -$notFoundSuffixLen);
if (false !== $namespaceSeparatorIndex = strrpos($fullyQualifiedClassName, '\\')) {
$className = substr($fullyQualifiedClassName, $namespaceSeparatorIndex + 1);
$namespacePrefix = substr($fullyQualifiedClassName, 0, $namespaceSeparatorIndex);
$message = sprintf('Attempted to load %s "%s" from namespace "%s".', $typeName, $className, $namespacePrefix);
$tail = ' for another namespace?';
if ($candidates = $this->getClassCandidates($className)) {
$tail = array_pop($candidates).'"?';
if ($candidates) {
$tail = ' for e.g. "'.implode('", "', $candidates).'" or "'.$tail;
} else {
$className = $fullyQualifiedClassName;
$message = sprintf('Attempted to load %s "%s" from the global namespace.', $typeName, $className);
$tail = '?';
$tail = ' for "'.$tail;
}

if ($candidates = $this->getClassCandidates($className)) {
$tail = array_pop($candidates).'"?';
if ($candidates) {
$tail = ' for e.g. "'.implode('", "', $candidates).'" or "'.$tail;
} else {
$tail = ' for "'.$tail;
}
}
$message .= "\nDid you forget a \"use\" statement".$tail;

return new ClassNotFoundException($message, $exception);
}
$message .= "\nDid you forget a \"use\" statement".$tail;

return null;
return new ClassNotFoundException($message, $exception);
}

/**
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36 changes: 36 additions & 0 deletions src/Symfony/Component/Debug/Tests/FatalErrorHandler/ClassNotFoundFatalErrorHandlerTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,15 @@ public function provideClassNotFoundData()
$debugClassLoader = new DebugClassLoader([$autoloader, 'loadClass']);

return [
[
[
'type' => 1,
'line' => 12,
'file' => 'foo.php',
'message' => 'Class "WhizBangFactory" not found',
],
"/^Attempted to load class \"WhizBangFactory\" from the global namespace.\nDid you forget a \"use\" statement\?$/",
],
[
[
'type' => 1,
Expand All @@ -98,6 +107,33 @@ public function provideClassNotFoundData()
],
"/^Attempted to load class \"WhizBangFactory\" from namespace \"Foo\\\\Bar\".\nDid you forget a \"use\" statement for another namespace\?$/",
],
[
[
'type' => 1,
'line' => 12,
'file' => 'foo.php',
'message' => 'Class "Foo\\Bar\\WhizBangFactory" not found',
],
"/^Attempted to load class \"WhizBangFactory\" from namespace \"Foo\\\\Bar\".\nDid you forget a \"use\" statement for another namespace\?$/",
],
[
[
'type' => 1,
'line' => 12,
'file' => 'foo.php',
'message' => 'Interface "Foo\\Bar\\WhizBangInterface" not found',
],
"/^Attempted to load interface \"WhizBangInterface\" from namespace \"Foo\\\\Bar\".\nDid you forget a \"use\" statement for another namespace\?$/",
],
[
[
'type' => 1,
'line' => 12,
'file' => 'foo.php',
'message' => 'Trait "Foo\\Bar\\WhizBangTrait" not found',
],
"/^Attempted to load trait \"WhizBangTrait\" from namespace \"Foo\\\\Bar\".\nDid you forget a \"use\" statement for another namespace\?$/",
],
[
[
'type' => 1,
Expand Down