3162 u2 length = 0;
3163 if (nest_members_attribute_start != NULL) {
3164 cfs->set_current(nest_members_attribute_start);
3165 cfs->guarantee_more(2, CHECK_0); // length
3166 length = cfs->get_u2_fast();
3167 }
3168 const int size = length;
3169 Array<u2>* const nest_members = MetadataFactory::new_array<u2>(_loader_data, size, CHECK_0);
3170 _nest_members = nest_members;
3171
3172 int index = 0;
3173 cfs->guarantee_more(2 * length, CHECK_0);
3174 for (int n = 0; n < length; n++) {
3175 const u2 class_info_index = cfs->get_u2_fast();
3176 check_property(
3177 valid_klass_reference_at(class_info_index),
3178 "Nest member class_info_index %u has bad constant type in class file %s",
3179 class_info_index, CHECK_0);
3180 nest_members->at_put(index++, class_info_index);
3181 }
3182 if (_need_verify) {
3183 for (int i = 0; i < length; i++) {
3184 for (int j = i + 1; j < length; j++) {
3185 guarantee_property((nest_members->at(i) != nest_members->at(j)),
3186 "Duplicate entry in NestMembers in class file %s",
3187 CHECK_0);
3188 }
3189 }
3190 }
3191 assert(index == size, "wrong size");
3192
3193 // Restore buffer's current position.
3194 cfs->set_current(current_mark);
3195
3196 return length;
3197 }
3198
3199 void ClassFileParser::parse_classfile_synthetic_attribute(TRAPS) {
3200 set_class_synthetic_flag(true);
3201 }
3202
3203 void ClassFileParser::parse_classfile_signature_attribute(const ClassFileStream* const cfs, TRAPS) {
3204 assert(cfs != NULL, "invariant");
3205
3206 const u2 signature_index = cfs->get_u2(CHECK);
3207 check_property(
3208 valid_symbol_at(signature_index),
3209 "Invalid constant pool index %u in Signature attribute in class file %s",
3210 signature_index, CHECK);
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3162 u2 length = 0;
3163 if (nest_members_attribute_start != NULL) {
3164 cfs->set_current(nest_members_attribute_start);
3165 cfs->guarantee_more(2, CHECK_0); // length
3166 length = cfs->get_u2_fast();
3167 }
3168 const int size = length;
3169 Array<u2>* const nest_members = MetadataFactory::new_array<u2>(_loader_data, size, CHECK_0);
3170 _nest_members = nest_members;
3171
3172 int index = 0;
3173 cfs->guarantee_more(2 * length, CHECK_0);
3174 for (int n = 0; n < length; n++) {
3175 const u2 class_info_index = cfs->get_u2_fast();
3176 check_property(
3177 valid_klass_reference_at(class_info_index),
3178 "Nest member class_info_index %u has bad constant type in class file %s",
3179 class_info_index, CHECK_0);
3180 nest_members->at_put(index++, class_info_index);
3181 }
3182 assert(index == size, "wrong size");
3183
3184 // Restore buffer's current position.
3185 cfs->set_current(current_mark);
3186
3187 return length;
3188 }
3189
3190 void ClassFileParser::parse_classfile_synthetic_attribute(TRAPS) {
3191 set_class_synthetic_flag(true);
3192 }
3193
3194 void ClassFileParser::parse_classfile_signature_attribute(const ClassFileStream* const cfs, TRAPS) {
3195 assert(cfs != NULL, "invariant");
3196
3197 const u2 signature_index = cfs->get_u2(CHECK);
3198 check_property(
3199 valid_symbol_at(signature_index),
3200 "Invalid constant pool index %u in Signature attribute in class file %s",
3201 signature_index, CHECK);
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