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1 /*
2  * Copyright (c) 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 #ifndef LIBARK_DEFECT_SCAN_AUX_INCLUDE_CALLEE_INFO_H
17 #define LIBARK_DEFECT_SCAN_AUX_INCLUDE_CALLEE_INFO_H
18 
19 #include "graph.h"
20 
21 namespace panda::defect_scan_aux {
22 class Class;
23 class Function;
24 
25 class CalleeInfo final {
26 public:
CalleeInfo(const Inst & call_inst,const Function * caller)27     CalleeInfo(const Inst &call_inst, const Function *caller) : call_inst_(call_inst), caller_(caller) {}
28     ~CalleeInfo() = default;
29     NO_COPY_SEMANTIC(CalleeInfo);
30     NO_MOVE_SEMANTIC(CalleeInfo);
31 
32     bool IsCalleeDefinite() const;
33     int GetCalleeArgCount() const;
34     const Inst &GetCallInst() const;
35     const Function *GetCaller() const;
36     const Class *GetClass() const;
37     const Function *GetCallee() const;
38     const std::string &GetFunctionName() const;
39     const std::string &GetClassName() const;
40     const std::string &GetExternalModuleName() const;
41     const std::string &GetGlobalVarName() const;
42 
43 private:
44     void SetCalleeArgCount(int arg_count);
45     void SetClass(const Class *clazz);
46     void SetCallee(const Function *func);
47     void SetFunctionName(std::string_view func_name);
48     void SetClassName(std::string_view class_name);
49     void SetExternalModuleName(std::string_view external_module_name);
50     void SetGlobalVarName(std::string_view global_var_name);
51 
52     bool is_definite_ {false};
53     // -1 means arg count of callee is unknown
54     int arg_count_ {-1};
55     const Inst call_inst_;
56     const Function *caller_ {nullptr};
57     const Class *class_ {nullptr};
58     const Function *func_ {nullptr};
59     std::string func_name_;
60     std::string class_name_;
61     std::string external_module_name_;
62     std::string global_var_name_;
63 
64     friend class AbcFile;
65 };
66 }  // namespace panda::defect_scan_aux
67 #endif  // LIBARK_DEFECT_SCAN_AUX_INCLUDE_CALLEE_INFO_H