1 /**
2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "plugins/ets/runtime/ets_vtable_builder.h"
17
18 #include "runtime/include/class_linker.h"
19
20 namespace panda::ets {
21
IsInSamePackage(const MethodInfo & info1,const MethodInfo & info2) const22 bool EtsVTableOverridePred::IsInSamePackage(const MethodInfo &info1, const MethodInfo &info2) const
23 {
24 if (info1.GetLoadContext() != info2.GetLoadContext()) {
25 return false;
26 }
27
28 auto *desc1 = info1.GetClassName();
29 auto *desc2 = info2.GetClassName();
30
31 while (ClassHelper::IsArrayDescriptor(desc1)) {
32 desc1 = ClassHelper::GetComponentDescriptor(desc1);
33 }
34
35 while (ClassHelper::IsArrayDescriptor(desc2)) {
36 desc2 = ClassHelper::GetComponentDescriptor(desc2);
37 }
38
39 Span sp1(desc1, 1);
40 Span sp2(desc2, 1);
41 while (sp1[0] == sp2[0] && sp1[0] != 0 && sp2[0] != 0) {
42 sp1 = Span(sp1.cend(), 1);
43 sp2 = Span(sp2.cend(), 1);
44 }
45
46 bool isSamePackage = true;
47 while (sp1[0] != 0 && isSamePackage) {
48 isSamePackage = sp1[0] != '/';
49 sp1 = Span(sp1.cend(), 1);
50 }
51
52 while (sp2[0] != 0 && isSamePackage) {
53 isSamePackage = sp2[0] != '/';
54 sp2 = Span(sp2.cend(), 1);
55 }
56
57 return isSamePackage;
58 }
59
60 } // namespace panda::ets
61