680 return is_object_initializer() || is_static_initializer();
681 }
682
683 bool Method::has_valid_initializer_flags() const {
684 return (is_static() ||
685 method_holder()->major_version() < 51);
686 }
687
688 bool Method::is_static_initializer() const {
689 // For classfiles version 51 or greater, ensure that the clinit method is
690 // static. Non-static methods with the name "<clinit>" are not static
691 // initializers. (older classfiles exempted for backward compatibility)
692 return name() == vmSymbols::class_initializer_name() &&
693 has_valid_initializer_flags();
694 }
695
696 bool Method::is_object_initializer() const {
697 return name() == vmSymbols::object_initializer_name();
698 }
699
700 objArrayHandle Method::resolved_checked_exceptions_impl(Method* method, TRAPS) {
701 int length = method->checked_exceptions_length();
702 if (length == 0) { // common case
703 return objArrayHandle(THREAD, Universe::the_empty_class_klass_array());
704 } else {
705 methodHandle h_this(THREAD, method);
706 objArrayOop m_oop = oopFactory::new_objArray(SystemDictionary::Class_klass(), length, CHECK_(objArrayHandle()));
707 objArrayHandle mirrors (THREAD, m_oop);
708 for (int i = 0; i < length; i++) {
709 CheckedExceptionElement* table = h_this->checked_exceptions_start(); // recompute on each iteration, not gc safe
710 Klass* k = h_this->constants()->klass_at(table[i].class_cp_index, CHECK_(objArrayHandle()));
711 assert(k->is_subclass_of(SystemDictionary::Throwable_klass()), "invalid exception class");
712 mirrors->obj_at_put(i, k->java_mirror());
713 }
714 return mirrors;
715 }
716 };
717
718
719 int Method::line_number_from_bci(int bci) const {
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680 return is_object_initializer() || is_static_initializer();
681 }
682
683 bool Method::has_valid_initializer_flags() const {
684 return (is_static() ||
685 method_holder()->major_version() < 51);
686 }
687
688 bool Method::is_static_initializer() const {
689 // For classfiles version 51 or greater, ensure that the clinit method is
690 // static. Non-static methods with the name "<clinit>" are not static
691 // initializers. (older classfiles exempted for backward compatibility)
692 return name() == vmSymbols::class_initializer_name() &&
693 has_valid_initializer_flags();
694 }
695
696 bool Method::is_object_initializer() const {
697 return name() == vmSymbols::object_initializer_name();
698 }
699
700 bool Method::needs_clinit_barrier() const {
701 return is_static() && !method_holder()->is_initialized();
702 }
703
704 objArrayHandle Method::resolved_checked_exceptions_impl(Method* method, TRAPS) {
705 int length = method->checked_exceptions_length();
706 if (length == 0) { // common case
707 return objArrayHandle(THREAD, Universe::the_empty_class_klass_array());
708 } else {
709 methodHandle h_this(THREAD, method);
710 objArrayOop m_oop = oopFactory::new_objArray(SystemDictionary::Class_klass(), length, CHECK_(objArrayHandle()));
711 objArrayHandle mirrors (THREAD, m_oop);
712 for (int i = 0; i < length; i++) {
713 CheckedExceptionElement* table = h_this->checked_exceptions_start(); // recompute on each iteration, not gc safe
714 Klass* k = h_this->constants()->klass_at(table[i].class_cp_index, CHECK_(objArrayHandle()));
715 assert(k->is_subclass_of(SystemDictionary::Throwable_klass()), "invalid exception class");
716 mirrors->obj_at_put(i, k->java_mirror());
717 }
718 return mirrors;
719 }
720 };
721
722
723 int Method::line_number_from_bci(int bci) const {
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