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 USCRIPT_PARAM_H
16#define USCRIPT_PARAM_H
17
18#include <cstdint>
19#include <string>
20#include <vector>
21#include "script_context.h"
22
23namespace Uscript {
24/**
25 * 定义函数的参数，使用vector保存函数参数
26 * 在定义函数时，实参，对应标识符表达式
27 * 函数调用时，可能是标识符，也可能是字符串、整数、浮点数或者函数调用
28 */
29class UScriptExpression;
30
31class ScriptParams {
32public:
33    friend class ScriptFunction;
34    static const int32_t g_maxParamNumber = 5;
35
36    ScriptParams() {}
37    ~ScriptParams();
38    void AddParams(UScriptExpression *expression);
39    const std::vector<UScriptExpression*> GetParams() const
40    {
41        return expressionList_;
42    }
43
44    static ScriptParams* CreateParams(UScriptExpression *expression);
45    static ScriptParams* AddParams(ScriptParams *params, UScriptExpression *expression);
46
47private:
48    std::vector<UScriptExpression*> expressionList_ {};
49};
50} // namespace Uscript
51#endif // HS_PARAM_H
52