ART: Clean up art_method.h

[android-x86/art.git] / runtime / mirror / object-refvisitor-inl.h

diff --git a/runtime/mirror/object-refvisitor-inl.h b/runtime/mirror/object-refvisitor-inl.h
new file mode 100644 (file)
index 0000000..49ab7c2
--- /dev/null
+++ b/runtime/mirror/object-refvisitor-inl.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_RUNTIME_MIRROR_OBJECT_REFVISITOR_INL_H_
+#define ART_RUNTIME_MIRROR_OBJECT_REFVISITOR_INL_H_
+
+#include "object-inl.h"
+
+#include "class-refvisitor-inl.h"
+
+namespace art {
+namespace mirror {
+
+template <bool kVisitNativeRoots,
+          VerifyObjectFlags kVerifyFlags,
+          ReadBarrierOption kReadBarrierOption,
+          typename Visitor,
+          typename JavaLangRefVisitor>
+inline void Object::VisitReferences(const Visitor& visitor,
+                                    const JavaLangRefVisitor& ref_visitor) {
+  ObjPtr<Class> klass = GetClass<kVerifyFlags, kReadBarrierOption>();
+  visitor(this, ClassOffset(), false);
+  const uint32_t class_flags = klass->GetClassFlags<kVerifyNone>();
+  if (LIKELY(class_flags == kClassFlagNormal)) {
+    DCHECK((!klass->IsVariableSize<kVerifyFlags, kReadBarrierOption>()));
+    VisitInstanceFieldsReferences<kVerifyFlags, kReadBarrierOption>(klass, visitor);
+    DCHECK((!klass->IsClassClass<kVerifyFlags, kReadBarrierOption>()));
+    DCHECK(!klass->IsStringClass());
+    DCHECK(!klass->IsClassLoaderClass());
+    DCHECK((!klass->IsArrayClass<kVerifyFlags, kReadBarrierOption>()));
+  } else {
+    if ((class_flags & kClassFlagNoReferenceFields) == 0) {
+      DCHECK(!klass->IsStringClass());
+      if (class_flags == kClassFlagClass) {
+        DCHECK((klass->IsClassClass<kVerifyFlags, kReadBarrierOption>()));
+        ObjPtr<Class> as_klass = AsClass<kVerifyNone, kReadBarrierOption>();
+        as_klass->VisitReferences<kVisitNativeRoots, kVerifyFlags, kReadBarrierOption>(klass,
+                                                                                       visitor);
+      } else if (class_flags == kClassFlagObjectArray) {
+        DCHECK((klass->IsObjectArrayClass<kVerifyFlags, kReadBarrierOption>()));
+        AsObjectArray<mirror::Object, kVerifyNone, kReadBarrierOption>()->VisitReferences(visitor);
+      } else if ((class_flags & kClassFlagReference) != 0) {
+        VisitInstanceFieldsReferences<kVerifyFlags, kReadBarrierOption>(klass, visitor);
+        ref_visitor(klass, AsReference<kVerifyFlags, kReadBarrierOption>());
+      } else if (class_flags == kClassFlagDexCache) {
+        mirror::DexCache* const dex_cache = AsDexCache<kVerifyFlags, kReadBarrierOption>();
+        dex_cache->VisitReferences<kVisitNativeRoots,
+                                   kVerifyFlags,
+                                   kReadBarrierOption>(klass, visitor);
+      } else {
+        mirror::ClassLoader* const class_loader = AsClassLoader<kVerifyFlags, kReadBarrierOption>();
+        class_loader->VisitReferences<kVisitNativeRoots,
+                                      kVerifyFlags,
+                                      kReadBarrierOption>(klass, visitor);
+      }
+    } else if (kIsDebugBuild) {
+      CHECK((!klass->IsClassClass<kVerifyFlags, kReadBarrierOption>()));
+      CHECK((!klass->IsObjectArrayClass<kVerifyFlags, kReadBarrierOption>()));
+      // String still has instance fields for reflection purposes but these don't exist in
+      // actual string instances.
+      if (!klass->IsStringClass()) {
+        size_t total_reference_instance_fields = 0;
+        ObjPtr<Class> super_class = klass;
+        do {
+          total_reference_instance_fields += super_class->NumReferenceInstanceFields();
+          super_class = super_class->GetSuperClass<kVerifyFlags, kReadBarrierOption>();
+        } while (super_class != nullptr);
+        // The only reference field should be the object's class. This field is handled at the
+        // beginning of the function.
+        CHECK_EQ(total_reference_instance_fields, 1u);
+      }
+    }
+  }
+}
+
+}  // namespace mirror
+}  // namespace art
+
+#endif  // ART_RUNTIME_MIRROR_OBJECT_REFVISITOR_INL_H_