#ifndef _SQTCC_COMMON_HPP_ #define _SQTCC_COMMON_HPP_ // ------------------------------------------------------------------------------------------------ #include "ModBase.hpp" // ------------------------------------------------------------------------------------------------ #include // ------------------------------------------------------------------------------------------------ #include // ------------------------------------------------------------------------------------------------ #include #include // ------------------------------------------------------------------------------------------------ #ifdef __cplusplus extern "C" { #endif struct TCCState; #ifdef __cplusplus } // extern "C" #endif // ------------------------------------------------------------------------------------------------ namespace SqMod { /* ------------------------------------------------------------------------------------------------ * SOFTWARE INFORMATION */ #define SQTCC_NAME "Squirrel TCC Module" #define SQTCC_AUTHOR "Sandu Liviu Catalin (S.L.C)" #define SQTCC_COPYRIGHT "Copyright (C) 2016 Sandu Liviu Catalin" #define SQTCC_HOST_NAME "SqModTCCHost" #define SQTCC_VERSION 001 #define SQTCC_VERSION_STR "0.0.1" #define SQTCC_VERSION_MAJOR 0 #define SQTCC_VERSION_MINOR 0 #define SQTCC_VERSION_PATCH 1 /* ------------------------------------------------------------------------------------------------ * Retrieve the temporary buffer. */ SStr GetTempBuff(); /* ------------------------------------------------------------------------------------------------ * Retrieve the size of the temporary buffer. */ Uint32 GetTempBuffSize(); /* ------------------------------------------------------------------------------------------------ * Throw a formatted exception. */ void SqThrowF(CSStr str, ...); /* ------------------------------------------------------------------------------------------------ * Generate a formatted string. */ CSStr FmtStr(CSStr str, ...); /* ------------------------------------------------------------------------------------------------ * Implements RAII to restore the VM stack to it's initial size on function exit. */ struct StackGuard { /* -------------------------------------------------------------------------------------------- * Base constructor. */ StackGuard(HSQUIRRELVM vm); /* -------------------------------------------------------------------------------------------- * Destructor. */ ~StackGuard(); private: /* -------------------------------------------------------------------------------------------- * Copy constructor. */ StackGuard(const StackGuard &); /* -------------------------------------------------------------------------------------------- * Move constructor. */ StackGuard(StackGuard &&); /* -------------------------------------------------------------------------------------------- * Copy assignment operator. */ StackGuard & operator = (const StackGuard &); /* -------------------------------------------------------------------------------------------- * Move assignment operator. */ StackGuard & operator = (StackGuard &&); private: // -------------------------------------------------------------------------------------------- Int32 m_Top; /* The top of the stack when this instance was created. */ HSQUIRRELVM m_VM; /* The VM where the stack should be restored. */ }; /* ------------------------------------------------------------------------------------------------ * Helper structure for retrieving a value from the stack as a string or a formatted string. */ struct StackStrF { // -------------------------------------------------------------------------------------------- CSStr mPtr; // Pointer to the C string that was retrieved. SQInteger mLen; // The string length if it could be retrieved. SQRESULT mRes; // The result of the retrieval attempts. HSQOBJECT mObj; // Strong reference to the string object. HSQUIRRELVM mVM; // The associated virtual machine. /* -------------------------------------------------------------------------------------------- * Base constructor. */ StackStrF(HSQUIRRELVM vm, SQInteger idx, bool fmt = true); /* -------------------------------------------------------------------------------------------- * Copy constructor. (disabled) */ StackStrF(const StackStrF & o) = delete; /* -------------------------------------------------------------------------------------------- * Copy constructor. (disabled) */ StackStrF(StackStrF && o) = delete; /* -------------------------------------------------------------------------------------------- * Destructor. */ ~StackStrF(); /* -------------------------------------------------------------------------------------------- * Copy constructor. (disabled) */ StackStrF & operator = (const StackStrF & o) = delete; /* -------------------------------------------------------------------------------------------- * Copy constructor. (disabled) */ StackStrF & operator = (StackStrF && o) = delete; }; // ------------------------------------------------------------------------------------------------ class State; class Symbol; class StateHnd; /* ------------------------------------------------------------------------------------------------ * Register the standard API on the specified compiler state. */ extern void RegisterAPI(StateHnd & s); /* ------------------------------------------------------------------------------------------------ * Server events that can be toggled. */ enum EventType { EvUnknown = 0, EvOnFrame, EvOnPlayerConnect, EvOnPlayerDisconnect, EvOnPlayerBeginTyping, EvOnPlayerEndTyping, EvOnPlayerRequestClass, EvOnPlayerRequestSpawn, EvOnPlayerSpawn, EvOnPlayerDeath, EvOnPlayerUpdate, EvOnPlayerRequestEnter, EvOnPlayerEnterVehicle, EvOnPlayerExitVehicle, EvOnPlayerNameChange, EvOnPlayerStateChange, EvOnPlayerActionChange, EvOnPlayerOnFireChange, EvOnPlayerCrouchChange, EvOnPlayerGameKeysChange, EvOnPickupClaimPicked, EvOnPickupPickedUp, EvOnPickupRespawn, EvOnVehicleUpdate, EvOnVehicleExplode, EvOnVehicleRespawn, EvOnObjectShot, EvOnObjectBump, EvOnPublicMessage, EvOnCommandMessage, EvOnPrivateMessage, EvOnLoginAttempt, EvOnEntityPoolChange, EvOnKeyBindDown, EvOnKeyBindUp, EvOnPlayerAwayChange, EvOnPlayerSpectate, EvOnPlayerCrashReport, EvOnServerPerformanceReport, EvOnCheckpointEntered, EvOnCheckpointExited, EvOnSphereEntered, EvOnSphereExited, EvCount }; /* ------------------------------------------------------------------------------------------------ * Manages a reference counted compiler state handle. */ class StateHnd { // -------------------------------------------------------------------------------------------- friend class State; friend class Symbol; public: // -------------------------------------------------------------------------------------------- typedef TCCState Type; // The managed type. // -------------------------------------------------------------------------------------------- typedef Type* Pointer; // Pointer to the managed type. typedef const Type* ConstPtr; // Constant pointer to the managed type. // -------------------------------------------------------------------------------------------- typedef Type& Reference; // Reference to the managed type. typedef const Type& ConstRef; // Constant reference to the managed type. // -------------------------------------------------------------------------------------------- typedef unsigned int Counter; // Reference counter type. /* -------------------------------------------------------------------------------------------- * Validate the managed handle and throw exception if invalid. */ void Validate() const; protected: /* -------------------------------------------------------------------------------------------- * The structure that holds the data associated with a certain state. */ struct Handle { // ---------------------------------------------------------------------------------------- Pointer mPtr; // The TCC state handle resource. Counter mRef; // Reference count to the managed handle. // ---------------------------------------------------------------------------------------- SDK_OnInitServer mOnInitServer; SDK_OnShutdownServer mOnShutdownServer; SDK_OnFrame mOnFrame; SDK_OnPlayerConnect mOnPlayerConnect; SDK_OnPlayerDisconnect mOnPlayerDisconnect; SDK_OnPlayerBeginTyping mOnPlayerBeginTyping; SDK_OnPlayerEndTyping mOnPlayerEndTyping; SDK_OnPlayerRequestClass mOnPlayerRequestClass; SDK_OnPlayerRequestSpawn mOnPlayerRequestSpawn; SDK_OnPlayerSpawn mOnPlayerSpawn; SDK_OnPlayerDeath mOnPlayerDeath; SDK_OnPlayerUpdate mOnPlayerUpdate; SDK_OnPlayerRequestEnter mOnPlayerRequestEnter; SDK_OnPlayerEnterVehicle mOnPlayerEnterVehicle; SDK_OnPlayerExitVehicle mOnPlayerExitVehicle; SDK_OnPlayerNameChange mOnPlayerNameChange; SDK_OnPlayerStateChange mOnPlayerStateChange; SDK_OnPlayerActionChange mOnPlayerActionChange; SDK_OnPlayerOnFireChange mOnPlayerOnFireChange; SDK_OnPlayerCrouchChange mOnPlayerCrouchChange; SDK_OnPlayerGameKeysChange mOnPlayerGameKeysChange; SDK_OnPickupClaimPicked mOnPickupClaimPicked; SDK_OnPickupPickedUp mOnPickupPickedUp; SDK_OnPickupRespawn mOnPickupRespawn; SDK_OnVehicleUpdate mOnVehicleUpdate; SDK_OnVehicleExplode mOnVehicleExplode; SDK_OnVehicleRespawn mOnVehicleRespawn; SDK_OnObjectShot mOnObjectShot; SDK_OnObjectBump mOnObjectBump; SDK_OnPublicMessage mOnPublicMessage; SDK_OnCommandMessage mOnCommandMessage; SDK_OnPrivateMessage mOnPrivateMessage; SDK_OnInternalCommand mOnInternalCommand; SDK_OnLoginAttempt mOnLoginAttempt; SDK_OnEntityPoolChange mOnEntityPoolChange; SDK_OnKeyBindDown mOnKeyBindDown; SDK_OnKeyBindUp mOnKeyBindUp; SDK_OnPlayerAwayChange mOnPlayerAwayChange; SDK_OnPlayerSpectate mOnPlayerSpectate; SDK_OnPlayerCrashReport mOnPlayerCrashReport; SDK_OnServerPerformanceReport mOnServerPerformanceReport; SDK_OnCheckpointEntered mOnCheckpointEntered; SDK_OnCheckpointExited mOnCheckpointExited; SDK_OnSphereEntered mOnSphereEntered; SDK_OnSphereExited mOnSphereExited; // ---------------------------------------------------------------------------------------- bool mRelocated; // Whether the state was relocated. bool mNoErrors; // Don't output errors even if there is no error handler. // ---------------------------------------------------------------------------------------- Function mErrorHandler; // The custom script error handler. // ---------------------------------------------------------------------------------------- String mName; // The name given to this state. /* ---------------------------------------------------------------------------------------- * Base constructor. */ Handle(Counter counter, CSStr name); /* ---------------------------------------------------------------------------------------- * Destructor. */ ~Handle(); }; private: // -------------------------------------------------------------------------------------------- typedef std::vector< Handle * > Handles; // List of handles that receive callbacks. // -------------------------------------------------------------------------------------------- static Handles s_Handles; /* -------------------------------------------------------------------------------------------- * See whether the specified state instance is in the handles list. */ static bool IsListed(Handle * hnd); /* -------------------------------------------------------------------------------------------- * Add the specified state instance to the handles list to receive callbacks. */ static void Remember(Handle * hnd); /* -------------------------------------------------------------------------------------------- * Remove the specified state instance from the handles list. */ static void Forget(Handle * hnd); /* -------------------------------------------------------------------------------------------- * Make the specified handle to be the first in the list. */ static void ToHead(Handle * hnd); protected: /* -------------------------------------------------------------------------------------------- * The error handler assigned to every created state. */ static void ErrorHandler(void * opaque, const char * msg); /* -------------------------------------------------------------------------------------------- * Add a symbol to the compiled program. */ void PushSymbol(CSStr name, const void * value); /* -------------------------------------------------------------------------------------------- * Return symbol value or NULL if not found. */ void * PullSymbol(CSStr name) const; private: // -------------------------------------------------------------------------------------------- Handle* m_Hnd; /* -------------------------------------------------------------------------------------------- * Grab a strong reference to a state handle. */ void Grab() { if (m_Hnd) { ++(m_Hnd->mRef); } } /* -------------------------------------------------------------------------------------------- * Drop a strong reference to a state handle. */ void Drop() { if (m_Hnd && --(m_Hnd->mRef) == 0) { delete m_Hnd; // Let the destructor take care of cleaning up (if necessary) } } /* -------------------------------------------------------------------------------------------- * Base constructor. */ StateHnd(CSStr name) : m_Hnd(name ? new Handle(1, name) : nullptr) { RegisterAPI(*this); } public: /* -------------------------------------------------------------------------------------------- * Default constructor (null). */ StateHnd() : m_Hnd(nullptr) { /* ... */ } /* -------------------------------------------------------------------------------------------- * Copy constructor. */ StateHnd(const StateHnd & o) : m_Hnd(o.m_Hnd) { Grab(); } /* -------------------------------------------------------------------------------------------- * Move constructor. */ StateHnd(StateHnd && o) : m_Hnd(o.m_Hnd) { o.m_Hnd = nullptr; } /* -------------------------------------------------------------------------------------------- * Destructor. */ ~StateHnd() { Drop(); } /* -------------------------------------------------------------------------------------------- * Copy assignment operator. */ StateHnd & operator = (const StateHnd & o) { if (m_Hnd != o.m_Hnd) { Drop(); m_Hnd = o.m_Hnd; Grab(); } return *this; } /* -------------------------------------------------------------------------------------------- * Move assignment operator. */ StateHnd & operator = (StateHnd && o) { if (m_Hnd != o.m_Hnd) { m_Hnd = o.m_Hnd; o.m_Hnd = nullptr; } return *this; } /* -------------------------------------------------------------------------------------------- * Perform an equality comparison between two state handles. */ bool operator == (const StateHnd & o) const { return (m_Hnd == o.m_Hnd); } /* -------------------------------------------------------------------------------------------- * Perform an inequality comparison between two state handles. */ bool operator != (const StateHnd & o) const { return (m_Hnd != o.m_Hnd); } /* -------------------------------------------------------------------------------------------- * Implicit conversion to boolean for use in boolean operations. */ operator bool () const { return m_Hnd && m_Hnd->mPtr; } /* -------------------------------------------------------------------------------------------- * Implicit conversion to the managed instance. */ operator Pointer () { return m_Hnd ? m_Hnd->mPtr : nullptr; } /* -------------------------------------------------------------------------------------------- * Implicit conversion to the managed instance. */ operator Pointer () const { return m_Hnd ? m_Hnd->mPtr : nullptr; } /* -------------------------------------------------------------------------------------------- * Implicit conversion to the managed instance. */ operator Reference () { assert(m_Hnd && m_Hnd->mPtr); return *(m_Hnd->mPtr); } /* -------------------------------------------------------------------------------------------- * Implicit conversion to the managed instance. */ operator ConstRef () const { assert(m_Hnd && m_Hnd->mPtr); return *(m_Hnd->mPtr); } /* -------------------------------------------------------------------------------------------- * Member operator for dereferencing the managed pointer. */ Handle * operator -> () const { assert(m_Hnd); return m_Hnd; } /* -------------------------------------------------------------------------------------------- * Indirection operator for obtaining a reference of the managed pointer. */ Handle & operator * () const { assert(m_Hnd); return *m_Hnd; } /* -------------------------------------------------------------------------------------------- * Retrieve the raw handle structure pointer. */ Handle * HndPtr() { return m_Hnd; } /* -------------------------------------------------------------------------------------------- * Retrieve the raw handle structure pointer. */ Handle * HndPtr() const { return m_Hnd; } /* -------------------------------------------------------------------------------------------- * Retrieve the number of active references to the managed instance. */ Counter Count() const { return m_Hnd ? m_Hnd->mRef : 0; } /* -------------------------------------------------------------------------------------------- * Set options as from command line (multiple supported). */ void SetOptions(CSStr opt) const; /* -------------------------------------------------------------------------------------------- * Define preprocessor symbol 'sym'. Can put optional value. */ void DefineSymbol(CSStr sym, CSStr value) const; /* -------------------------------------------------------------------------------------------- * Undefine preprocess symbol 'sym'. */ void UndefineSymbol(CSStr sym) const; /* -------------------------------------------------------------------------------------------- * Add include path. */ void AddIncludePath(CSStr path) const; /* -------------------------------------------------------------------------------------------- * Add in system include path. */ void AddSysIncludePath(CSStr path) const; /* -------------------------------------------------------------------------------------------- * Set CONFIG_TCCDIR at runtime. */ void SetLibPath(CSStr path) const; /* -------------------------------------------------------------------------------------------- * Equivalent to -Lpath option. */ void AddLibraryPath(CSStr path) const; /* -------------------------------------------------------------------------------------------- * The library name is the same as the argument of the '-l' option. */ void AddLibrary(CSStr name) const; /* -------------------------------------------------------------------------------------------- * Compile a string containing a C source. */ void CompileString(CSStr str) const; /* -------------------------------------------------------------------------------------------- * Add a file (C file, dll, object, library, ld script). */ void AddFile(CSStr filename, Int32 type) const; /* -------------------------------------------------------------------------------------------- * Do all relocations (needed before using tcc_get_symbol()) */ void Relocate() const; /* -------------------------------------------------------------------------------------------- * Add a symbol to the compiled program. */ template < typename T > void AddSymbol(CSStr name, T value) { PushSymbol(name, reinterpret_cast< const void * >(value)); } /* -------------------------------------------------------------------------------------------- * Return symbol value or NULL if not found. */ template < typename T > T GetSymbol(CSStr name) const { return reinterpret_cast< T >(PullSymbol(name)); } /* -------------------------------------------------------------------------------------------- * Server callbacks. */ static int OnInitServer(void); static void OnShutdownServer(void); static void OnFrame(float delta); static void OnPlayerConnect(int player); static void OnPlayerDisconnect(int player, int reason); static void OnPlayerBeginTyping(int player); static void OnPlayerEndTyping(int player); static int OnPlayerRequestClass(int player, int offset); static int OnPlayerRequestSpawn(int player); static void OnPlayerSpawn(int player); static void OnPlayerDeath(int player, int killer, int reason, int body_part); static void OnPlayerUpdate(int player, int type); static int OnPlayerRequestEnter(int player, int vehicle, int slot); static void OnPlayerEnterVehicle(int player, int vehicle, int slot); static void OnPlayerExitVehicle(int player, int vehicle); static void OnPlayerNameChange(int player, const char * previous, const char * current); static void OnPlayerStateChange(int player, int previous, int current); static void OnPlayerActionChange(int player, int previous, int current); static void OnPlayerOnFireChange(int player, unsigned int state); static void OnPlayerCrouchChange(int player, unsigned int state); static void OnPlayerGameKeysChange(int player, int previous, int current); static int OnPickupClaimPicked(int pickup, int player); static void OnPickupPickedUp(int pickup, int player); static void OnPickupRespawn(int pickup); static void OnVehicleUpdate(int vehicle, int type); static void OnVehicleExplode(int vehicle); static void OnVehicleRespawn(int vehicle); static void OnObjectShot(int object, int player, int weapon); static void OnObjectBump(int object, int player); static int OnPublicMessage(int player, const char * message); static int OnCommandMessage(int player, const char * command); static int OnPrivateMessage(int player, int target, const char * message); static int OnInternalCommand(unsigned int type, const char * text); static int OnLoginAttempt(char * name, const char * passwd, const char * ipaddr); static void OnEntityPoolChange(int type, int entity, unsigned int deleted); static void OnKeyBindDown(int player, int keybind); static void OnKeyBindUp(int player, int keybind); static void OnPlayerAwayChange(int player, unsigned int status); static void OnPlayerSpectate(int player, int target); static void OnPlayerCrashReport(int player, const char * report); static void OnServerPerformanceReport(int count, const char ** description, unsigned long long * millispent); static void OnCheckpointEntered(int checkpoint, int player); static void OnCheckpointExited(int checkpoint, int player); static void OnSphereEntered(int sphere, int player); static void OnSphereExited(int sphere, int player); /* -------------------------------------------------------------------------------------------- * Enable or disable a certain server event. */ static void ToggleEvent(Int32 evt, bool toggle); }; } // Namespace:: SqMod #endif // _SQTCC_COMMON_HPP_