112 lines
3.2 KiB
C++
112 lines
3.2 KiB
C++
/*
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* Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef ADDON_RUNTIME_H
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#define ADDON_RUNTIME_H
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#include <chrono>
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#include <QString>
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#include <QJsonArray>
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#include <QJsonObject>
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#include <QJsonValue>
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#include <QMap>
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#include <qt_utils/utils.h>
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struct lua_State;
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struct lua_Debug;
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typedef int (*lua_CFunction) (lua_State *L);
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typedef void (*lua_Hook) (lua_State *L, lua_Debug *ar);
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namespace AddOn {
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void registerApiGroup(lua_State *L, const QString &groupName);
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class LuaError : public BaseError {
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public:
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explicit LuaError(const QString &reason);
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};
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struct LuaExtraState {
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QString name;
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std::chrono::microseconds timeLimit;
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std::chrono::time_point<std::chrono::system_clock> timeStart;
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};
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class RaiiLuaState {
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public:
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RaiiLuaState(const QString &name, std::chrono::microseconds timeLimit);
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RaiiLuaState(const RaiiLuaState &) = delete;
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RaiiLuaState(RaiiLuaState &&rhs);
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RaiiLuaState &operator=(const RaiiLuaState &) = delete;
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RaiiLuaState &operator=(RaiiLuaState &&rhs);
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~RaiiLuaState();
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bool fetchBoolean(int index);
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long long fetchInteger(int index);
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double fetchNumber(int index);
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QString fetchString(int index);
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QJsonArray fetchArray(int index);
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QJsonObject fetchObject(int index);
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QJsonValue fetch(int index);
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static QString fetchString(lua_State *L, int index);
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bool popBoolean();
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long long popInteger();
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double popNumber();
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QString popString();
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QJsonArray popArray();
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QJsonObject popObject();
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QJsonValue pop();
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void push(decltype(nullptr));
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void push(const QMap<QString, lua_CFunction> &value);
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static void push(lua_State *L, const QString &value);
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static void push(lua_State *L, const QStringList &value);
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int loadBuffer(const QByteArray &buff, const QString &name);
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void openLibs();
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int pCall(int nargs, int nresults, int msgh);
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void setGlobal(const QString &name);
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void setHook(lua_Hook f, int mask, int count);
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void setTimeStart();
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LuaExtraState &extraState();
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static LuaExtraState &extraState(lua_State *lua);
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private:
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QJsonValue fetchTableImpl(int index, int depth);
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QJsonValue fetchValueImpl(int index, int depth);
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private:
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lua_State *mLua;
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static QHash<lua_State *, LuaExtraState> mExtraState;
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static constexpr int TABLE_MAX_DEPTH = 10;
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// each nesting level of table requires 2 slots in Lua stack
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// [3] -- value, will not be used until next level returns
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// [2] [-1] -- key
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// [1] [-2] -- table
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static constexpr int LUA_STACK_SIZE = TABLE_MAX_DEPTH * 2 + 10;
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};
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}
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#endif // ADDON_RUNTIME_H
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