/**
* @param Tokenizer $tokens
* @throws \LogicException
* @throws \RuntimeException
* @return string
*/
public function parseStatic(Tokenizer $tokens)
{
if ($this->_options & Fenom::DENY_STATICS) {
throw new \LogicException("Static methods are disabled");
}
$tokens->skipIf(T_NS_SEPARATOR);
$name = "";
if ($tokens->is(T_STRING)) {
$name .= $tokens->getAndNext();
while ($tokens->is(T_NS_SEPARATOR)) {
$name .= '\\' . $tokens->next()->get(T_STRING);
$tokens->next();
}
}
$tokens->need(T_DOUBLE_COLON)->next()->need(T_STRING);
$static = $name . "::" . $tokens->getAndNext();
if (!is_callable($static)) {
throw new \RuntimeException("Method {$static} doesn't exist");
}
return $static;
}
/**
* Define macro
*
* @param Tokenizer $tokens
* @param Scope $scope
* @throws InvalidUsageException
*/
public static function macroOpen(Tokenizer $tokens, Scope $scope)
{
$scope["name"] = $tokens->get(Tokenizer::MACRO_STRING);
$scope["recursive"] = false;
$args = array();
$defaults = array();
if (!$tokens->valid()) {
return;
}
$tokens->next()->need('(')->next();
if ($tokens->is(')')) {
return;
}
while ($tokens->is(Tokenizer::MACRO_STRING, T_VARIABLE)) {
$args[] = $param = $tokens->getAndNext();
if ($tokens->is('=')) {
$tokens->next();
if ($tokens->is(T_CONSTANT_ENCAPSED_STRING, T_LNUMBER, T_DNUMBER) || $tokens->isSpecialVal()) {
$defaults[$param] = $tokens->getAndNext();
} else {
throw new InvalidUsageException("Macro parameters may have only scalar defaults");
}
}
$tokens->skipIf(',');
}
$tokens->skipIf(')');
$scope["macro"] = array("name" => $scope["name"], "args" => $args, "defaults" => $defaults, "body" => "", "recursive" => false);
return;
}
/**
* Parse method, class or constant name
*
* @param Tokenizer $tokens
* @return string
*/
public function parseName(Tokenizer $tokens)
{
$tokens->skipIf(T_NS_SEPARATOR);
$name = "";
if ($tokens->is(T_STRING)) {
$name .= $tokens->getAndNext();
while ($tokens->is(T_NS_SEPARATOR)) {
$name .= '\\' . $tokens->next()->get(T_STRING);
$tokens->next();
}
}
return $name;
}
