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1 /**
2  * Copyright (c) 2021-2025 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/interop_js/js_refconvert.h"
17 
18 #include "plugins/ets/runtime/interop_js/ets_proxy/ets_class_wrapper.h"
19 #include "plugins/ets/runtime/interop_js/interop_context.h"
20 #include "plugins/ets/runtime/interop_js/js_refconvert_array.h"
21 #include "plugins/ets/runtime/interop_js/js_refconvert_function.h"
22 #include "plugins/ets/runtime/interop_js/js_refconvert_record.h"
23 
24 namespace ark::ets::interop::js {
25 
IsFunctionClass(InteropCtx * ctx,Class * klass)26 static bool IsFunctionClass(InteropCtx *ctx, Class *klass)
27 {
28     if (panda_file_items::class_descriptors::FUNCTION.compare(utf::Mutf8AsCString(klass->GetDescriptor())) == 0) {
29         return true;
30     }
31     if (ctx->IsFunctionalInterface(klass)) {
32         return true;
33     }
34     for (auto *itf : klass->GetInterfaces()) {
35         if (ctx->IsFunctionalInterface(itf)) {
36             return true;
37         }
38     }
39     return false;
40 }
41 
IsRecord(Class * klass)42 static bool IsRecord(Class *klass)
43 {
44     return PlatformTypes()->escompatRecord->GetRuntimeClass()->IsAssignableFrom(klass);
45 }
46 
JSRefConvertCreateImpl(InteropCtx * ctx,Class * klass)47 static std::unique_ptr<JSRefConvert> JSRefConvertCreateImpl(InteropCtx *ctx, Class *klass)
48 {
49     INTEROP_FATAL_IF(klass->IsClassClass());
50 
51     if (klass->IsArrayClass()) {
52         auto type = klass->GetComponentType()->GetType().GetId();
53         if (type != panda_file::Type::TypeId::REFERENCE) {
54             ctx->Fatal(std::string("Unhandled primitive array: ") + utf::Mutf8AsCString(klass->GetDescriptor()));
55         }
56         return std::make_unique<JSRefConvertReftypeArray>(klass);
57     }
58 
59     if (js_proxy::JSProxy::IsProxyClass(klass)) {
60         return ets_proxy::EtsClassWrapper::CreateJSRefConvertJSProxy(ctx, klass);
61     }
62 
63     if (IsFunctionClass(ctx, klass)) {
64         return std::make_unique<JSRefConvertFunction>(klass);
65     }
66 
67     if (IsRecord(klass)) {
68         return std::make_unique<JSRefConvertRecord>(ctx);
69     }
70 
71     if (klass->IsInterface()) {
72         return ets_proxy::EtsClassWrapper::CreateJSRefConvertEtsInterface(ctx, klass);
73     }
74 
75     return ets_proxy::EtsClassWrapper::CreateJSRefConvertEtsProxy(ctx, klass);
76 }
77 
78 template <bool ALLOW_INIT>
JSRefConvertCreate(InteropCtx * ctx,Class * klass)79 JSRefConvert *JSRefConvertCreate(InteropCtx *ctx, Class *klass)
80 {
81     if (!CheckClassInitialized<ALLOW_INIT>(klass)) {
82         ASSERT(EtsCoroutine::GetCurrent()->HasPendingException());
83         return nullptr;
84     }
85     auto conv = JSRefConvertCreateImpl(ctx, klass);
86     if (UNLIKELY(conv == nullptr)) {
87         ctx->ThrowETSError(EtsCoroutine::GetCurrent(), std::string("Seamless conversion for class ") +
88                                                            utf::Mutf8AsCString(klass->GetDescriptor()) +
89                                                            std::string(" is not supported"));
90         return nullptr;
91     }
92     return ctx->GetRefConvertCache()->Insert(klass, std::move(conv));
93 }
94 
95 template JSRefConvert *JSRefConvertCreate<false>(InteropCtx *ctx, Class *klass);
96 template JSRefConvert *JSRefConvertCreate<true>(InteropCtx *ctx, Class *klass);
97 
98 }  // namespace ark::ets::interop::js
99