/**
* Tries to find specific an specialized optimizer for function calls
*
* @param string $funcName
* @param array $expression
* @param Call $call
* @param CompilationContext $compilationContext
*/
protected function optimize($funcName, array $expression, Call $call, CompilationContext $compilationContext)
{
$optimizer = false;
/**
* Check if the optimizer is already cached
*/
if (!isset(self::$_optimizers[$funcName])) {
$camelizeFunctionName = Utils::camelize($funcName);
/**
* Check every optimizer directory for an optimizer
*/
foreach (self::$_optimizerDirectories as $directory) {
$path = $directory . DIRECTORY_SEPARATOR . $camelizeFunctionName . 'Optimizer.php';
if (file_exists($path)) {
require_once $path;
$className = 'Zephir\\Optimizers\\FunctionCall\\' . $camelizeFunctionName . 'Optimizer';
if (!class_exists($className, false)) {
throw new \Exception('Class ' . $className . ' cannot be loaded');
}
$optimizer = new $className();
if (!$optimizer instanceof OptimizerAbstract) {
throw new \Exception('Class ' . $className . ' must be instance of OptimizerAbstract');
}
break;
}
}
self::$_optimizers[$funcName] = $optimizer;
} else {
$optimizer = self::$_optimizers[$funcName];
}
if ($optimizer) {
return $optimizer->optimize($expression, $call, $compilationContext);
}
return false;
}
/**
* Creates the property shortcuts
*
* @param array $property
* @param ClassDefinition $classDefinition
* @throws CompilerException
*/
protected function _processShorcuts(array $property, ClassDefinition $classDefinition)
{
foreach ($property['shortcuts'] as $shortcut) {
if (substr($property['name'], 0, 1) == '_') {
$name = substr($property['name'], 1);
} else {
$name = $property['name'];
}
$docBlock = isset($shortcut['docblock']) ? $shortcut['docblock'] : isset($property['docblock']) ? $property['docblock'] : null;
$returnsType = array();
if ($docBlock) {
$docBlockParser = new DocblockParser('/' . $docBlock . '/');
$docBlockParsed = $docBlockParser->parse();
if ($annotations = $docBlockParsed->getAnnotationsByType('var')) {
$returnsType = array_map(function ($type) {
return ($type = trim($type)) == 'mixed' ? 'variable' : $type;
}, (array) explode('|', $annotations[0]->getString()));
}
// Clear annotations
$docBlockParsed->setAnnotations(array());
$docBlock = $docBlockParsed->generate();
}
switch ($shortcut['name']) {
case 'get':
$classDefinition->addMethod(new ClassMethod($classDefinition, array('public'), 'get' . Utils::camelize($name), null, new StatementsBlock(array(array('type' => 'return', 'expr' => array('type' => 'property-access', 'left' => array('type' => 'variable', 'value' => 'this'), 'right' => array('type' => 'variable', 'value' => $property['name']))))), $docBlock, $this->createReturnsType($returnsType), $shortcut), $shortcut);
break;
case 'set':
$classDefinition->addMethod(new ClassMethod($classDefinition, array('public'), 'set' . Utils::camelize($name), new ClassMethodParameters(array(array('type' => 'parameter', 'name' => $name, 'const' => 0, 'data-type' => count($returnsType) == 1 ? $returnsType[0] : 'variable', 'mandatory' => 0))), new StatementsBlock(array(array('type' => 'let', 'assignments' => array(array('assign-type' => 'object-property', 'operator' => 'assign', 'variable' => 'this', 'property' => $property['name'], 'expr' => array('type' => 'variable', 'value' => $name, 'file' => $property['file'], 'line' => $property['line'], 'char' => $property['char']), 'file' => $property['file'], 'line' => $property['line'], 'char' => $property['char']))))), $docBlock, null, $shortcut), $shortcut);
break;
case 'toString':
case '__toString':
$classDefinition->addMethod(new ClassMethod($classDefinition, array('public'), '__toString', null, new StatementsBlock(array(array('type' => 'return', 'expr' => array('type' => 'property-access', 'left' => array('type' => 'variable', 'value' => 'this'), 'right' => array('type' => 'variable', 'value' => $property['name']))))), $docBlock, $this->createReturnsType(array('string')), $shortcut), $shortcut);
break;
default:
throw new CompilerException("Unknown shortcut '" . $shortcut['name'] . "'", $shortcut);
}
}
}
/**
* Test camelize method.
*/
public function testCamelize()
{
$name = 'foo_Bar_Foo_bar';
$this->assertSame(Utils::camelize($name), 'FooBarFooBar');
}
