1 /*
2  * Copyright (c) 2021 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 #ifndef _SCRIPT_MANAGER_H
16 #define _SCRIPT_MANAGER_H
17 
18 #include <cstdlib>
19 #include <memory>
20 #include "hash_data_verifier.h"
21 #include "pkg_manager.h"
22 #include "script_instruction.h"
23 
24 namespace Uscript {
25 enum {
26     USCRIPT_SUCCESS = 0,
27     USCRIPT_BASE = 500,
28     USCRIPT_INVALID_PARAM = USCRIPT_BASE,
29     USCRIPT_INVALID_SCRIPT,
30     USCRIPT_INVALID_PRIORITY,
31     USCRIPT_NOTEXIST_INSTRUCTION,
32     USCRIPT_ERROR_CREATE_OBJ,
33     USCRIPT_ERROR_REVERED,
34     USCRIPT_ASSERT,
35     USCRIPT_ABOART,
36     USCRIPT_ERROR_EXECUTE,
37     USCRIPT_ERROR_INTERPRET,
38     USCRIPT_ERROR_CREATE_THREAD,
39 };
40 
41 /**
42  * Script Manager
43  * 1, Management of script instruction and instruction registration
44  * 2, Management of parsing and executing the script
45  **/
46 class ScriptManager {
47 public:
48     static const int32_t MAX_PRIORITY = 4;
49 
50     virtual ~ScriptManager() = default;
51 
52     /**
53      * Execute all script under this priority
54      * priority:        The priority of the script to run
55      */
56     virtual int32_t ExecuteScript(int32_t priority) = 0;
57 
58     /**
59      * Get script manager
60      */
61     static ScriptManager* GetScriptManager(UScriptEnv *env, const Hpackage::HashDataVerifier *verifier);
62     static void ReleaseScriptManager();
63 };
64 } // namespace Uscript
65 #endif
66