Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 17 | #include "class_linker.h" |
Elliott Hughes | eac7667 | 2012-05-24 21:56:51 -0700 | [diff] [blame] | 18 | #include "jni_internal.h" |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 19 | #include "object.h" |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 20 | #include "object_utils.h" |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 21 | #include "scoped_thread_state_change.h" |
Ian Rogers | 1f53934 | 2012-10-03 21:09:42 -0700 | [diff] [blame] | 22 | #include "sirt_ref.h" |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 23 | |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 24 | namespace art { |
| 25 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 26 | static jobject Array_createMultiArray(JNIEnv* env, jclass, jclass javaElementClass, jobject javaDimArray) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 27 | ScopedObjectAccess soa(env); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 28 | DCHECK(javaElementClass != NULL); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 29 | Class* element_class = soa.Decode<Class*>(javaElementClass); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 30 | DCHECK(element_class->IsClass()); |
| 31 | DCHECK(javaDimArray != NULL); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 32 | Object* dimensions_obj = soa.Decode<Object*>(javaDimArray); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 33 | DCHECK(dimensions_obj->IsArrayInstance()); |
Elliott Hughes | 91250e0 | 2011-12-13 22:30:35 -0800 | [diff] [blame] | 34 | DCHECK_STREQ(ClassHelper(dimensions_obj->GetClass()).GetDescriptor(), "[I"); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 35 | IntArray* dimensions_array = down_cast<IntArray*>(dimensions_obj); |
Ian Rogers | 64b6d14 | 2012-10-29 16:34:15 -0700 | [diff] [blame^] | 36 | Array* new_array = Array::CreateMultiArray(soa.Self(), element_class, dimensions_array); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 37 | return soa.AddLocalReference<jobject>(new_array); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 38 | } |
| 39 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 40 | static jobject Array_createObjectArray(JNIEnv* env, jclass, jclass javaElementClass, jint length) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 41 | ScopedObjectAccess soa(env); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 42 | DCHECK(javaElementClass != NULL); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 43 | Class* element_class = soa.Decode<Class*>(javaElementClass); |
Ian Rogers | 64b6d14 | 2012-10-29 16:34:15 -0700 | [diff] [blame^] | 44 | if (UNLIKELY(length < 0)) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 45 | soa.Self()->ThrowNewExceptionF("Ljava/lang/NegativeArraySizeException;", "%d", length); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 46 | return NULL; |
| 47 | } |
Ian Rogers | 64b6d14 | 2012-10-29 16:34:15 -0700 | [diff] [blame^] | 48 | std::string descriptor("["); |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 49 | descriptor += ClassHelper(element_class).GetDescriptor(); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 50 | |
| 51 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Elliott Hughes | c3b77c7 | 2011-12-15 20:56:48 -0800 | [diff] [blame] | 52 | Class* array_class = class_linker->FindClass(descriptor.c_str(), element_class->GetClassLoader()); |
Ian Rogers | 64b6d14 | 2012-10-29 16:34:15 -0700 | [diff] [blame^] | 53 | if (UNLIKELY(array_class == NULL)) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 54 | CHECK(soa.Self()->IsExceptionPending()); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 55 | return NULL; |
| 56 | } |
| 57 | DCHECK(array_class->IsArrayClass()); |
Ian Rogers | 50b35e2 | 2012-10-04 10:09:15 -0700 | [diff] [blame] | 58 | Array* new_array = Array::Alloc(soa.Self(), array_class, length); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 59 | return soa.AddLocalReference<jobject>(new_array); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 60 | } |
| 61 | |
| 62 | static JNINativeMethod gMethods[] = { |
| 63 | NATIVE_METHOD(Array, createMultiArray, "(Ljava/lang/Class;[I)Ljava/lang/Object;"), |
| 64 | NATIVE_METHOD(Array, createObjectArray, "(Ljava/lang/Class;I)Ljava/lang/Object;"), |
| 65 | }; |
| 66 | |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 67 | void register_java_lang_reflect_Array(JNIEnv* env) { |
Elliott Hughes | eac7667 | 2012-05-24 21:56:51 -0700 | [diff] [blame] | 68 | REGISTER_NATIVE_METHODS("java/lang/reflect/Array"); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | } // namespace art |