/**
* Parses child reflection objects from the token stream.
*
* @param \TokenReflection\Stream\StreamBase $tokenStream Token substream
* @param \TokenReflection\IReflection $parent Parent reflection object
* @return \TokenReflection\ReflectionFileNamespace
* @throws \TokenReflection\Exception\ParseException If child elements could not be parsed.
*/
protected function parseChildren(Stream $tokenStream, IReflection $parent)
{
static $skipped = array(T_WHITESPACE => true, T_COMMENT => true, T_DOC_COMMENT => true);
$depth = 0;
$firstChild = null;
while (true) {
switch ($tokenStream->getType()) {
case T_USE:
while (true) {
$namespaceName = '';
$alias = null;
$tokenStream->skipWhitespaces(true);
while (true) {
switch ($tokenStream->getType()) {
case T_STRING:
case T_NS_SEPARATOR:
$namespaceName .= $tokenStream->getTokenValue();
break;
case T_FUNCTION:
// "use function" in 5.6+
break;
default:
break 2;
}
$tokenStream->skipWhitespaces(true);
}
$namespaceName = ltrim($namespaceName, '\\');
if (empty($namespaceName)) {
throw new Exception\ParseException($this, $tokenStream, 'Imported namespace name could not be determined.', Exception\ParseException::LOGICAL_ERROR);
} elseif ('\\' === substr($namespaceName, -1)) {
throw new Exception\ParseException($this, $tokenStream, sprintf('Invalid namespace name "%s".', $namespaceName), Exception\ParseException::LOGICAL_ERROR);
}
if ($tokenStream->is(T_AS)) {
// Alias defined
$tokenStream->skipWhitespaces(true);
if (!$tokenStream->is(T_STRING)) {
throw new Exception\ParseException($this, $tokenStream, sprintf('The imported namespace "%s" seems aliased but the alias name could not be determined.', $namespaceName), Exception\ParseException::LOGICAL_ERROR);
}
$alias = $tokenStream->getTokenValue();
$tokenStream->skipWhitespaces(true);
} else {
// No explicit alias
if (false !== ($pos = strrpos($namespaceName, '\\'))) {
$alias = substr($namespaceName, $pos + 1);
} else {
$alias = $namespaceName;
}
}
if (isset($this->aliases[$alias])) {
throw new Exception\ParseException($this, $tokenStream, sprintf('Namespace alias "%s" already defined.', $alias), Exception\ParseException::LOGICAL_ERROR);
}
$this->aliases[$alias] = $namespaceName;
$type = $tokenStream->getType();
if (';' === $type) {
$tokenStream->skipWhitespaces();
break 2;
} elseif (',' === $type) {
// Next namespace in the current "use" definition
continue;
}
throw new Exception\ParseException($this, $tokenStream, 'Unexpected token found.', Exception\ParseException::UNEXPECTED_TOKEN);
}
case T_COMMENT:
case T_DOC_COMMENT:
$docblock = $tokenStream->getTokenValue();
if (preg_match('~^' . preg_quote(self::DOCBLOCK_TEMPLATE_START, '~') . '~', $docblock)) {
array_unshift($this->docblockTemplates, new ReflectionAnnotation($this, $docblock));
} elseif (self::DOCBLOCK_TEMPLATE_END === $docblock) {
array_shift($this->docblockTemplates);
}
$tokenStream->next();
break;
case '{':
$tokenStream->next();
$depth++;
break;
case '}':
if (0 === $depth--) {
break 2;
}
$tokenStream->next();
break;
case null:
case T_NAMESPACE:
break 2;
case T_ABSTRACT:
case T_FINAL:
case T_CLASS:
case T_TRAIT:
case T_INTERFACE:
$class = new ReflectionClass($tokenStream, $this->getBroker(), $this);
$firstChild = $firstChild ?: $class;
$className = $class->getName();
if (isset($this->classes[$className])) {
if (!$this->classes[$className] instanceof Invalid\ReflectionClass) {
$this->classes[$className] = new Invalid\ReflectionClass($className, $this->classes[$className]->getFileName(), $this->getBroker());
}
if (!$this->classes[$className]->hasReasons()) {
$this->classes[$className]->addReason(new Exception\ParseException($this, $tokenStream, sprintf('Class %s is defined multiple times in the file.', $className), Exception\ParseException::ALREADY_EXISTS));
}
} else {
$this->classes[$className] = $class;
}
$tokenStream->next();
break;
case T_CONST:
$tokenStream->skipWhitespaces(true);
do {
$constant = new ReflectionConstant($tokenStream, $this->getBroker(), $this);
$firstChild = $firstChild ?: $constant;
$constantName = $constant->getName();
if (isset($this->constants[$constantName])) {
if (!$this->constants[$constantName] instanceof Invalid\ReflectionConstant) {
$this->constants[$constantName] = new Invalid\ReflectionConstant($constantName, $this->constants[$constantName]->getFileName(), $this->getBroker());
}
if (!$this->constants[$constantName]->hasReasons()) {
$this->constants[$constantName]->addReason(new Exception\ParseException($this, $tokenStream, sprintf('Constant %s is defined multiple times in the file.', $constantName), Exception\ParseException::ALREADY_EXISTS));
}
} else {
$this->constants[$constantName] = $constant;
}
if ($tokenStream->is(',')) {
$tokenStream->skipWhitespaces(true);
} else {
$tokenStream->next();
}
} while ($tokenStream->is(T_STRING));
break;
case T_STRING:
switch ($tokenStream->getTokenValue()) {
case 'define':
// definition case
// definition case
default:
break;
}
$tokenStream->next();
break;
case T_FUNCTION:
$position = $tokenStream->key() + 1;
while (isset($skipped[$type = $tokenStream->getType($position)])) {
$position++;
}
if ('(' === $type) {
// Skipping anonymous functions
$tokenStream->seek($position)->findMatchingBracket()->skipWhiteSpaces(true);
if ($tokenStream->is(T_USE)) {
$tokenStream->skipWhitespaces(true)->findMatchingBracket()->skipWhitespaces(true);
}
$tokenStream->findMatchingBracket()->next();
continue;
}
$function = new ReflectionFunction($tokenStream, $this->getBroker(), $this);
$firstChild = $firstChild ?: $function;
$functionName = $function->getName();
if (isset($this->functions[$functionName])) {
if (!$this->functions[$functionName] instanceof Invalid\ReflectionFunction) {
$this->functions[$functionName] = new Invalid\ReflectionFunction($functionName, $this->functions[$functionName]->getFileName(), $this->getBroker());
}
if (!$this->functions[$functionName]->hasReasons()) {
$this->functions[$functionName]->addReason(new Exception\ParseException($this, $tokenStream, sprintf('Function %s is defined multiple times in the file.', $functionName), Exception\ParseException::ALREADY_EXISTS));
}
} else {
$this->functions[$functionName] = $function;
}
$tokenStream->next();
break;
default:
$tokenStream->next();
break;
}
}
if ($firstChild) {
$this->startPosition = min($this->startPosition, $firstChild->getStartPosition());
}
return $this;
}
/**
* Creates definition for trait method body
*
* @param ReflectionFunction|ParsedFunction $function Method reflection
*
* @return string new method body
*/
protected function getJoinpointInvocationBody($function)
{
$class = '\\' . __CLASS__;
$dynamicArgs = false;
$hasOptionals = false;
$hasReferences = false;
$argValues = array_map(function ($param) use(&$dynamicArgs, &$hasOptionals, &$hasReferences) {
/** @var $param Parameter|ParsedParameter */
$byReference = $param->isPassedByReference();
$dynamicArg = $param->name == '...';
$dynamicArgs = $dynamicArgs || $dynamicArg;
$hasOptionals = $hasOptionals || $param->isOptional() && !$param->isDefaultValueAvailable();
$hasReferences = $hasReferences || $byReference;
return ($byReference ? '&' : '') . '$' . $param->name;
}, $function->getParameters());
if ($dynamicArgs) {
// Remove last '...' argument
array_pop($argValues);
}
$args = join(', ', $argValues);
if ($dynamicArgs) {
$args = $hasReferences ? "array({$args}) + \\func_get_args()" : '\\func_get_args()';
} elseif ($hasOptionals) {
$args = "\\array_slice(array({$args}), 0, \\func_num_args())";
} else {
$args = "array({$args})";
}
return <<<BODY
static \$__joinPoint = null;
if (!\$__joinPoint) {
\$__joinPoint = {$class}::getJoinPoint('{$function->name}', __NAMESPACE__);
}
return \$__joinPoint->__invoke({$args});
BODY;
}
/**
* Tests export.
*/
public function testToString()
{
$tests = array('lines', 'docComment', 'noComment', 'invoke', 'noParameters', 'parameters', 'reference', 'noReference', 'noNamespace', 'userDefined', 'noClosure');
foreach ($tests as $test) {
$rfl = $this->getFunctionReflection($test);
$this->assertSame($rfl->internal->__toString(), $rfl->token->__toString());
$this->assertSame(InternalReflectionFunction::export($this->getFunctionName($test), true), ReflectionFunction::export($this->getBroker(), $this->getFunctionName($test), true));
// Test loading from a string
$rfl = $this->getFunctionReflection($test, true);
$this->assertSame($rfl->internal->__toString(), $rfl->token->__toString());
}
$this->assertSame(InternalReflectionFunction::export('strpos', true), ReflectionFunction::export($this->getBroker(), 'strpos', true));
}
