mirror of
https://github.com/scp-fs2open/fs2open.github.com.git
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BMagnu
f0068b13a0
* Prevent dangling threads from crashing FSO on close * Fix warning * Properly allow multiple parent threads for unittests * Fix Test * Redo it using the lua GC method * tidyup * Fix Warnings * Fix double default * get rid of explicitly defined copy constructor to allow implicit copy assign to exist
78 lines
1.6 KiB
C++
78 lines
1.6 KiB
C++
#pragma once
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#include "LuaConvert.h"
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#include "LuaTypes.h"
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#include "LuaValue.h"
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#include "LuaFunction.h"
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#include <iterator>
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namespace luacpp {
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/**
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* @brief Class to improve handling of lua threads (aka coroutines).
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*
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* This class provides a high-level interface to lua threads.
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*
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* @see LuaConvert
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*/
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class LuaThread : public LuaValue {
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LuaReference deleterUserdata;
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LuaTable deleterTable;
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LuaFunction deleterFunc;
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public:
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using ErrorCallback = std::function<bool(lua_State* mainState, lua_State* thread)>;
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struct ResumeState
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{
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bool completed = false;
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LuaValueList returnVals;
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};
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/**
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* @brief Creates a new empty thread.
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*/
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static LuaThread create(lua_State* L, const LuaFunction& func);
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/**
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* @brief Default constructor
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*/
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LuaThread();
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//Copying threads is VERY illegal
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LuaThread(const LuaThread&) = delete;
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LuaThread& operator=(const LuaThread&) = delete;
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LuaThread(LuaThread&&);
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LuaThread& operator=(LuaThread&&);
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~LuaThread() override;
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/**
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* @brief Sets a new reference.
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* This overload checks if the passed reference is a thread
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*
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* @param ref The new reference
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* @return void
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*/
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void setReference(const LuaReference& ref) override;
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void setErrorCallback(ErrorCallback errorCallback);
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ResumeState resume(const LuaValueList& params) const;
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lua_State* getThreadHandle() const;
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private:
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LuaThread(lua_State* luaState, lua_State* threadHandle);
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lua_State* _thread = nullptr;
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ErrorCallback _errorCallback;
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};
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namespace convert {
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bool popValue(lua_State* luaState, LuaThread& target, int stackposition = -1, bool remove = true);
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}
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} // namespace luacpp
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