/** * 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]); } } }
/** * Creates a new instance binding * * @param lang.XPClass $class * @param lang.XPClass $type * @throws lang.IllegalArgumentException */ public function __construct($class, $type = null) { if ($type && !$type->isAssignableFrom($class)) { throw new IllegalArgumentException($class . ' is not an instance of ' . $type); } else { if ($class->isInterface() || $class->getModifiers() & MODIFIER_ABSTRACT) { throw new IllegalArgumentException('Cannot bind to non-concrete type ' . $type); } } $this->class = $class; }