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 | |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 17 | #include "java_lang_reflect_Array.h" |
| 18 | |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 19 | #include "class_linker-inl.h" |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 20 | #include "common_throws.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 21 | #include "dex_file-inl.h" |
Elliott Hughes | eac7667 | 2012-05-24 21:56:51 -0700 | [diff] [blame] | 22 | #include "jni_internal.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 23 | #include "mirror/class-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 24 | #include "mirror/object-inl.h" |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 25 | #include "scoped_fast_native_object_access.h" |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 26 | #include "handle_scope-inl.h" |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 27 | |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 28 | namespace art { |
| 29 | |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 30 | static jobject Array_createMultiArray( |
| 31 | JNIEnv* env, jclass, jclass javaElementClass, jobject javaDimArray) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 32 | ScopedFastNativeObjectAccess soa(env); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 33 | DCHECK(javaElementClass != nullptr); |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 34 | StackHandleScope<2> hs(soa.Self()); |
| 35 | Handle<mirror::Class> element_class(hs.NewHandle(soa.Decode<mirror::Class*>(javaElementClass))); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 36 | DCHECK(element_class->IsClass()); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 37 | DCHECK(javaDimArray != nullptr); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 38 | mirror::Object* dimensions_obj = soa.Decode<mirror::Object*>(javaDimArray); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 39 | DCHECK(dimensions_obj->IsArrayInstance()); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 40 | DCHECK_EQ(dimensions_obj->GetClass()->GetComponentType()->GetPrimitiveType(), |
| 41 | Primitive::kPrimInt); |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 42 | Handle<mirror::IntArray> dimensions_array( |
| 43 | hs.NewHandle(down_cast<mirror::IntArray*>(dimensions_obj))); |
Mathieu Chartier | 5bb9903 | 2014-02-08 16:20:58 -0800 | [diff] [blame] | 44 | mirror::Array* new_array = mirror::Array::CreateMultiArray(soa.Self(), element_class, |
| 45 | dimensions_array); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 46 | return soa.AddLocalReference<jobject>(new_array); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 47 | } |
| 48 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 49 | static jobject Array_createObjectArray(JNIEnv* env, jclass, jclass javaElementClass, jint length) { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 50 | ScopedFastNativeObjectAccess soa(env); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 51 | DCHECK(javaElementClass != nullptr); |
Ian Rogers | 64b6d14 | 2012-10-29 16:34:15 -0700 | [diff] [blame] | 52 | if (UNLIKELY(length < 0)) { |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 53 | ThrowNegativeArraySizeException(length); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 54 | return nullptr; |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 55 | } |
Mathieu Chartier | b74cd29 | 2014-05-29 14:31:33 -0700 | [diff] [blame] | 56 | mirror::Class* element_class = soa.Decode<mirror::Class*>(javaElementClass); |
Ian Rogers | 6fac447 | 2014-02-25 17:01:10 -0800 | [diff] [blame] | 57 | Runtime* runtime = Runtime::Current(); |
| 58 | ClassLinker* class_linker = runtime->GetClassLinker(); |
Mathieu Chartier | b74cd29 | 2014-05-29 14:31:33 -0700 | [diff] [blame] | 59 | mirror::Class* array_class = class_linker->FindArrayClass(soa.Self(), &element_class); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 60 | if (UNLIKELY(array_class == nullptr)) { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 61 | CHECK(soa.Self()->IsExceptionPending()); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 62 | return nullptr; |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 63 | } |
Ian Rogers | 6fac447 | 2014-02-25 17:01:10 -0800 | [diff] [blame] | 64 | DCHECK(array_class->IsObjectArrayClass()); |
Andreas Gampe | e598e04 | 2015-04-10 14:57:10 -0700 | [diff] [blame] | 65 | mirror::Array* new_array = mirror::ObjectArray<mirror::Object*>::Alloc( |
| 66 | soa.Self(), array_class, length, runtime->GetHeap()->GetCurrentAllocator()); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 67 | return soa.AddLocalReference<jobject>(new_array); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | static JNINativeMethod gMethods[] = { |
Ian Rogers | 1eb512d | 2013-10-18 15:42:20 -0700 | [diff] [blame] | 71 | NATIVE_METHOD(Array, createMultiArray, "!(Ljava/lang/Class;[I)Ljava/lang/Object;"), |
| 72 | NATIVE_METHOD(Array, createObjectArray, "!(Ljava/lang/Class;I)Ljava/lang/Object;"), |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 73 | }; |
| 74 | |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 75 | void register_java_lang_reflect_Array(JNIEnv* env) { |
Elliott Hughes | eac7667 | 2012-05-24 21:56:51 -0700 | [diff] [blame] | 76 | REGISTER_NATIVE_METHODS("java/lang/reflect/Array"); |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | } // namespace art |