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1 /*
2  * Copyright (c) 2023 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 #ifndef ECMASCRIPT_COMPILER_TYPE_INFERENCE_GLOBAL_TYPE_INFER_H
17 #define ECMASCRIPT_COMPILER_TYPE_INFERENCE_GLOBAL_TYPE_INFER_H
18 
19 #include "ecmascript/compiler/type_inference/method_type_infer.h"
20 
21 namespace panda::ecmascript::kungfu {
22 class GlobalTypeInfer {
23 public:
24     GlobalTypeInfer(PassContext *ctx, const uint32_t methodOffset, const CString &recordName,
25                     PGOProfilerDecoder *decoder, bool enableOptTrackField, bool enableLog);
26     ~GlobalTypeInfer();
27 
28     void ProcessTypeInference(BytecodeCircuitBuilder *builder, Circuit *circuit);
29 
30 private:
31     static constexpr size_t MAX_GLOBAL_INFER_ALLOWED = 2;
32 
GetTypeInfer(const uint32_t methodOffset)33     inline MethodTypeInfer *GetTypeInfer(const uint32_t methodOffset) const
34     {
35         auto it = typeInfers_.find(methodOffset);
36         if (it != typeInfers_.end()) {
37             return it->second;
38         }
39         return nullptr;
40     }
41 
IsLegalMethod(const uint32_t methodOffset)42     inline bool IsLegalMethod(const uint32_t methodOffset) const
43     {
44         return (methodOffset != 0);
45     }
46 
47     void NewTypeInfer(const uint32_t methodOffset);
48     void CollectNamespaceMethod(const uint32_t methodOffset);
49     void CollectNamespaceMethods(const uint32_t methodOffset);
50     void RunTypeCheck();
51 
52     PassContext *ctx_ {nullptr};
53     const JSPandaFile *jsPandaFile_ {nullptr};
54     BCInfo &bcInfo_;
55     uint32_t methodOffset_ {0};
56     const CString &recordName_;
57     PGOProfilerDecoder *decoder_ {nullptr};
58     bool enableOptTrackField_ {false};
59     bool enableLog_ {false};
60     bool enableGlobalTypeInfer_ {false};
61     std::set<uint32_t> namespaceTypes_ {};
62     std::vector<BytecodeCircuitBuilder *> builders_ {};
63     std::vector<Circuit *> circuits_ {};
64     std::map<uint32_t, MethodTypeInfer *> typeInfers_ {};
65 };
66 }  // namespace panda::ecmascript::kungfu
67 #endif  // ECMASCRIPT_COMPILER_TYPE_INFERENCE_GLOBAL_TYPE_INFER_H
68