SlevomatCodingStandard\Sniffs\Namespaces\FullyQualifiedExceptionsSniff::process PHP Method

    public function process(PHP_CodeSniffer_File $phpcsFile, $openTagPointer)
    {
        $referencedNames = ReferencedNameHelper::getAllReferencedNames($phpcsFile, $openTagPointer);
        $useStatements = UseStatementHelper::getUseStatements($phpcsFile, $openTagPointer);
        foreach ($referencedNames as $referencedName) {
            $pointer = $referencedName->getPointer();
            $name = $referencedName->getNameAsReferencedInFile();
            $normalizedName = UseStatement::normalizedNameAsReferencedInFile($name);
            if (isset($useStatements[$normalizedName]) && $referencedName->hasSameUseStatementType($useStatements[$normalizedName])) {
                $useStatement = $useStatements[$normalizedName];
                if (in_array($useStatement->getFullyQualifiedTypeName(), $this->getIgnoredNames(), true) || !StringHelper::endsWith($useStatement->getFullyQualifiedTypeName(), 'Exception') && $useStatement->getFullyQualifiedTypeName() !== 'Throwable' && (!StringHelper::endsWith($useStatement->getFullyQualifiedTypeName(), 'Error') || NamespaceHelper::hasNamespace($useStatement->getFullyQualifiedTypeName())) && !in_array($useStatement->getFullyQualifiedTypeName(), $this->getSpecialExceptionNames(), true)) {
                    continue;
                }
            } else {
                $fileNamespace = NamespaceHelper::findCurrentNamespaceName($phpcsFile, $pointer);
                $canonicalName = $name;
                if (!NamespaceHelper::isFullyQualifiedName($name) && $fileNamespace !== null) {
                    $canonicalName = sprintf('%s%s%s', $fileNamespace, NamespaceHelper::NAMESPACE_SEPARATOR, $name);
                }
                if (in_array($canonicalName, $this->getIgnoredNames(), true) || !StringHelper::endsWith($name, 'Exception') && $name !== 'Throwable' && (!StringHelper::endsWith($canonicalName, 'Error') || NamespaceHelper::hasNamespace($canonicalName)) && !in_array($canonicalName, $this->getSpecialExceptionNames(), true)) {
                    continue;
                }
            }
            if (!NamespaceHelper::isFullyQualifiedName($name)) {
                $phpcsFile->addError(sprintf('Exception %s should be referenced via a fully qualified name', $name), $pointer, self::CODE_NON_FULLY_QUALIFIED_EXCEPTION);
            }
        }
    }