/**
* Resolves a class member, which is either a field, a class constant
* or the `ClassName::class` syntax, which returns the class' literal.
*
* @param lang.XPClass $class
* @param var[] $token A token as returned by `token_get_all()`
* @param string $context
* @return var
*/
protected function memberOf($class, $token, $context)
{
if (T_VARIABLE === $token[0]) {
$field = $class->getField(substr($token[1], 1));
$m = $field->getModifiers();
if ($m & MODIFIER_PUBLIC) {
return $field->get(null);
} else {
if ($m & MODIFIER_PROTECTED && $class->isAssignableFrom($context)) {
return $field->setAccessible(true)->get(null);
} else {
if ($m & MODIFIER_PRIVATE && $class->getName() === $context) {
return $field->setAccessible(true)->get(null);
} else {
throw new IllegalAccessException(sprintf('Cannot access %s field %s::$%s', implode(' ', Modifiers::namesOf($m)), $class->getName(), $field->getName()));
}
}
}
} else {
if (T_CLASS === $token[0]) {
return $class->literal();
} else {
return $class->getConstant($token[1]);
}
}
}
