mirror of
https://github.com/JGRennison/OpenTTD-patches.git
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872 lines
32 KiB
C++
872 lines
32 KiB
C++
/* $Id$ */
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/** @file squirrel_helper.hpp declarations and parts of the implementation of the class for convert code */
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#ifndef SQUIRREL_HELPER_HPP
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#define SQUIRREL_HELPER_HPP
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#include <squirrel.h>
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#include "../core/math_func.hpp"
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#include "../core/smallvec_type.hpp"
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#include "../economy_type.h"
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#include "../string_func.h"
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#include "squirrel_helper_type.hpp"
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/**
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* The Squirrel convert routines
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*/
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namespace SQConvert {
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/**
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* Pointers assigned to this class will be free'd when this instance
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* comes out of scope. Useful to make sure you can use strdup(),
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* without leaking memory.
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*/
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struct SQAutoFreePointers : SmallVector<void *, 1> {
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~SQAutoFreePointers()
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{
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for (uint i = 0; i < this->items; i++) free(this->data[i]);
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}
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};
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template <bool Y> struct YesT {
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static const bool Yes = Y;
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static const bool No = !Y;
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};
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/**
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* Helper class to recognize if the given type is void. Usage: 'IsVoidT<T>::Yes'
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*/
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template <typename T> struct IsVoidT : YesT<false> {};
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template <> struct IsVoidT<void> : YesT<true> {};
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/**
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* Helper class to recognize if the function/method return type is void.
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*/
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template <typename Tfunc> struct HasVoidReturnT;
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/* functions */
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template <typename Tretval> struct HasVoidReturnT<Tretval (*)()> : IsVoidT<Tretval> {};
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template <typename Tretval, typename Targ1> struct HasVoidReturnT<Tretval (*)(Targ1)> : IsVoidT<Tretval> {};
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template <typename Tretval, typename Targ1, typename Targ2> struct HasVoidReturnT<Tretval (*)(Targ1, Targ2)> : IsVoidT<Tretval> {};
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template <typename Tretval, typename Targ1, typename Targ2, typename Targ3> struct HasVoidReturnT<Tretval (*)(Targ1, Targ2, Targ3)> : IsVoidT<Tretval> {};
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template <typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4> struct HasVoidReturnT<Tretval (*)(Targ1, Targ2, Targ3, Targ4)> : IsVoidT<Tretval> {};
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template <typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4, typename Targ5> struct HasVoidReturnT<Tretval (*)(Targ1, Targ2, Targ3, Targ4, Targ5)> : IsVoidT<Tretval> {};
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template <typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4, typename Targ5, typename Targ6, typename Targ7, typename Targ8, typename Targ9, typename Targ10> struct HasVoidReturnT<Tretval (*)(Targ1, Targ2, Targ3, Targ4, Targ5, Targ6, Targ7, Targ8, Targ9, Targ10)> : IsVoidT<Tretval> {};
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/* methods */
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template <class Tcls, typename Tretval> struct HasVoidReturnT<Tretval (Tcls::*)()> : IsVoidT<Tretval> {};
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template <class Tcls, typename Tretval, typename Targ1> struct HasVoidReturnT<Tretval (Tcls::*)(Targ1)> : IsVoidT<Tretval> {};
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template <class Tcls, typename Tretval, typename Targ1, typename Targ2> struct HasVoidReturnT<Tretval (Tcls::*)(Targ1, Targ2)> : IsVoidT<Tretval> {};
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template <class Tcls, typename Tretval, typename Targ1, typename Targ2, typename Targ3> struct HasVoidReturnT<Tretval (Tcls::*)(Targ1, Targ2, Targ3)> : IsVoidT<Tretval> {};
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template <class Tcls, typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4> struct HasVoidReturnT<Tretval (Tcls::*)(Targ1, Targ2, Targ3, Targ4)> : IsVoidT<Tretval> {};
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template <class Tcls, typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4, typename Targ5> struct HasVoidReturnT<Tretval (Tcls::*)(Targ1, Targ2, Targ3, Targ4, Targ5)> : IsVoidT<Tretval> {};
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template <class Tcls, typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4, typename Targ5, typename Targ6, typename Targ7, typename Targ8, typename Targ9, typename Targ10> struct HasVoidReturnT<Tretval (Tcls::*)(Targ1, Targ2, Targ3, Targ4, Targ5, Targ6, Targ7, Targ8, Targ9, Targ10)> : IsVoidT<Tretval> {};
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/**
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* Special class to make it possible for the compiler to pick the correct GetParam().
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*/
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template <typename T> class ForceType { };
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/**
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* To return a value to squirrel, we call this function. It converts to the right format.
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*/
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template <typename T> static int Return(HSQUIRRELVM vm, T t);
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template <> inline int Return<uint8> (HSQUIRRELVM vm, uint8 res) { sq_pushinteger(vm, (int32)res); return 1; }
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template <> inline int Return<uint16> (HSQUIRRELVM vm, uint16 res) { sq_pushinteger(vm, (int32)res); return 1; }
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template <> inline int Return<uint32> (HSQUIRRELVM vm, uint32 res) { sq_pushinteger(vm, (int32)res); return 1; }
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template <> inline int Return<int8> (HSQUIRRELVM vm, int8 res) { sq_pushinteger(vm, res); return 1; }
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template <> inline int Return<int16> (HSQUIRRELVM vm, int16 res) { sq_pushinteger(vm, res); return 1; }
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template <> inline int Return<int32> (HSQUIRRELVM vm, int32 res) { sq_pushinteger(vm, res); return 1; }
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template <> inline int Return<int64> (HSQUIRRELVM vm, int64 res) { sq_pushinteger(vm, ClampToI32(res)); return 1; }
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template <> inline int Return<Money> (HSQUIRRELVM vm, Money res) { sq_pushinteger(vm, ClampToI32(res)); return 1; }
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template <> inline int Return<bool> (HSQUIRRELVM vm, bool res) { sq_pushbool (vm, res); return 1; }
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template <> inline int Return<char *> (HSQUIRRELVM vm, char *res) { if (res == NULL) sq_pushnull(vm); else { sq_pushstring(vm, OTTD2FS(res), -1); free(res); } return 1; }
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template <> inline int Return<const char *>(HSQUIRRELVM vm, const char *res) { if (res == NULL) sq_pushnull(vm); else { sq_pushstring(vm, OTTD2FS(res), -1); } return 1; }
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template <> inline int Return<void *> (HSQUIRRELVM vm, void *res) { sq_pushuserpointer(vm, res); return 1; }
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/**
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* To get a param from squirrel, we call this function. It converts to the right format.
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*/
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template <typename T> static T GetParam(ForceType<T>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr);
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template <> inline uint8 GetParam(ForceType<uint8> , HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQInteger tmp; sq_getinteger (vm, index, &tmp); return tmp; }
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template <> inline uint16 GetParam(ForceType<uint16> , HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQInteger tmp; sq_getinteger (vm, index, &tmp); return tmp; }
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template <> inline uint32 GetParam(ForceType<uint32> , HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQInteger tmp; sq_getinteger (vm, index, &tmp); return tmp; }
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template <> inline int8 GetParam(ForceType<int8> , HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQInteger tmp; sq_getinteger (vm, index, &tmp); return tmp; }
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template <> inline int16 GetParam(ForceType<int16> , HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQInteger tmp; sq_getinteger (vm, index, &tmp); return tmp; }
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template <> inline int32 GetParam(ForceType<int32> , HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQInteger tmp; sq_getinteger (vm, index, &tmp); return tmp; }
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template <> inline bool GetParam(ForceType<bool> , HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQBool tmp; sq_getbool (vm, index, &tmp); return tmp != 0; }
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template <> inline const char *GetParam(ForceType<const char *>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { const SQChar *tmp; sq_getstring (vm, index, &tmp); char *tmp_str = strdup(FS2OTTD(tmp)); *ptr->Append() = (void *)tmp_str; str_validate(tmp_str, tmp_str + strlen(tmp_str)); return tmp_str; }
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template <> inline void *GetParam(ForceType<void *> , HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQUserPointer tmp; sq_getuserpointer(vm, index, &tmp); return tmp; }
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template <> inline Array *GetParam(ForceType<Array *>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr)
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{
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SQObject obj;
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sq_getstackobj(vm, index, &obj);
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sq_pushobject(vm, obj);
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sq_pushnull(vm);
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SmallVector<int32, 2> data;
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while (SQ_SUCCEEDED(sq_next(vm, -2))) {
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SQInteger tmp;
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if (SQ_SUCCEEDED(sq_getinteger(vm, -1, &tmp))) {
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*data.Append() = (int32)tmp;
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} else {
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sq_pop(vm, 4);
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throw sq_throwerror(vm, _SC("a member of an array used as parameter to a function is not numeric"));
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}
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sq_pop(vm, 2);
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}
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sq_pop(vm, 2);
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Array *arr = (Array*)MallocT<byte>(sizeof(Array) + sizeof(int32) * data.Length());
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arr->size = data.Length();
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memcpy(arr->array, data.Begin(), sizeof(int32) * data.Length());
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*ptr->Append() = arr;
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return arr;
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}
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/**
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* Helper class to recognize the function type (retval type, args) and use the proper specialization
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* for SQ callback. The partial specializations for the second arg (Tis_void_retval) are not possible
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* on the function. Therefore the class is used instead.
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*/
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template <typename Tfunc, bool Tis_void_retval = HasVoidReturnT<Tfunc>::Yes> struct HelperT;
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/**
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* The real C++ caller for function with return value and 0 params.
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*/
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template <typename Tretval>
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struct HelperT<Tretval (*)(), false> {
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static int SQCall(void *instance, Tretval (*func)(), HSQUIRRELVM vm)
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{
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return Return(vm, (*func)());
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}
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};
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/**
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* The real C++ caller for function with no return value and 0 params.
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*/
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template <typename Tretval>
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struct HelperT<Tretval (*)(), true> {
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static int SQCall(void *instance, Tretval (*func)(), HSQUIRRELVM vm)
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{
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(*func)();
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return 0;
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}
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};
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/**
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* The real C++ caller for method with return value and 0 params.
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*/
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template <class Tcls, typename Tretval>
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struct HelperT<Tretval (Tcls::*)(), false> {
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static int SQCall(Tcls *instance, Tretval (Tcls::*func)(), HSQUIRRELVM vm)
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{
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return Return(vm, (instance->*func)());
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}
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};
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/**
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* The real C++ caller for method with no return value and 0 params.
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*/
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template <class Tcls, typename Tretval>
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struct HelperT<Tretval (Tcls::*)(), true> {
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static int SQCall(Tcls *instance, Tretval (Tcls::*func)(), HSQUIRRELVM vm)
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{
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(instance->*func)();
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return 0;
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}
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static Tcls *SQConstruct(Tcls *instance, Tretval (Tcls::*func)(), HSQUIRRELVM vm)
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{
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return new Tcls();
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}
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};
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/**
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* The real C++ caller for function with return value and 1 param.
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*/
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template <typename Tretval, typename Targ1>
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struct HelperT<Tretval (*)(Targ1), false> {
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static int SQCall(void *instance, Tretval (*func)(Targ1), HSQUIRRELVM vm)
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{
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SQAutoFreePointers ptr;
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Tretval ret = (*func)(
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GetParam(ForceType<Targ1>(), vm, 2, &ptr)
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);
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sq_pop(vm, 1);
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return Return(vm, ret);
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}
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};
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/**
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* The real C++ caller for function with no return value and 1 param.
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*/
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template <typename Tretval, typename Targ1>
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struct HelperT<Tretval (*)(Targ1), true> {
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static int SQCall(void *instance, Tretval (*func)(Targ1), HSQUIRRELVM vm)
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{
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SQAutoFreePointers ptr;
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(*func)(
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GetParam(ForceType<Targ1>(), vm, 2, &ptr)
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);
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sq_pop(vm, 1);
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return 0;
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}
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};
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/**
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* The real C++ caller for method with return value and 1 param.
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*/
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template <class Tcls, typename Tretval, typename Targ1>
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struct HelperT<Tretval (Tcls::*)(Targ1), false> {
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static int SQCall(Tcls *instance, Tretval (Tcls::*func)(Targ1), HSQUIRRELVM vm)
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{
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SQAutoFreePointers ptr;
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Tretval ret = (instance->*func)(
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GetParam(ForceType<Targ1>(), vm, 2, &ptr)
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);
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sq_pop(vm, 1);
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return Return(vm, ret);
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}
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};
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/**
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* The real C++ caller for method with no return value and 1 param.
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*/
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template <class Tcls, typename Tretval, typename Targ1>
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struct HelperT<Tretval (Tcls::*)(Targ1), true> {
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static int SQCall(Tcls *instance, Tretval (Tcls::*func)(Targ1), HSQUIRRELVM vm)
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{
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SQAutoFreePointers ptr;
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(instance->*func)(
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GetParam(ForceType<Targ1>(), vm, 2, &ptr)
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);
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sq_pop(vm, 1);
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return 0;
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}
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static Tcls *SQConstruct(Tcls *instance, Tretval (Tcls::*func)(Targ1), HSQUIRRELVM vm)
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{
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SQAutoFreePointers ptr;
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Tcls *inst = new Tcls(
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GetParam(ForceType<Targ1>(), vm, 2, &ptr)
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);
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return inst;
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}
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};
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/**
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* The real C++ caller for function with return value and 2 params.
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*/
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template <typename Tretval, typename Targ1, typename Targ2>
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struct HelperT<Tretval (*)(Targ1, Targ2), false> {
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static int SQCall(void *instance, Tretval (*func)(Targ1, Targ2), HSQUIRRELVM vm)
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{
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SQAutoFreePointers ptr;
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Tretval ret = (*func)(
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GetParam(ForceType<Targ1>(), vm, 2, &ptr),
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GetParam(ForceType<Targ2>(), vm, 3, &ptr)
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);
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sq_pop(vm, 2);
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return Return(vm, ret);
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}
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};
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/**
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* The real C++ caller for function with no return value and 2 params.
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*/
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template <typename Tretval, typename Targ1, typename Targ2>
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struct HelperT<Tretval (*)(Targ1, Targ2), true> {
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static int SQCall(void *instance, Tretval (*func)(Targ1, Targ2), HSQUIRRELVM vm)
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{
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SQAutoFreePointers ptr;
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(*func)(
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GetParam(ForceType<Targ1>(), vm, 2, &ptr),
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GetParam(ForceType<Targ2>(), vm, 3, &ptr)
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);
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sq_pop(vm, 2);
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return 0;
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}
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};
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/**
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* The real C++ caller for method with return value and 2 params.
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*/
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template <class Tcls, typename Tretval, typename Targ1, typename Targ2>
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struct HelperT<Tretval (Tcls::*)(Targ1, Targ2), false> {
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static int SQCall(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2), HSQUIRRELVM vm)
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{
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SQAutoFreePointers ptr;
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Tretval ret = (instance->*func)(
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GetParam(ForceType<Targ1>(), vm, 2, &ptr),
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GetParam(ForceType<Targ2>(), vm, 3, &ptr)
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);
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sq_pop(vm, 2);
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return Return(vm, ret);
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}
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};
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/**
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* The real C++ caller for method with no return value and 2 params.
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*/
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template <class Tcls, typename Tretval, typename Targ1, typename Targ2>
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struct HelperT<Tretval (Tcls::*)(Targ1, Targ2), true> {
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static int SQCall(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2), HSQUIRRELVM vm)
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{
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SQAutoFreePointers ptr;
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(instance->*func)(
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GetParam(ForceType<Targ1>(), vm, 2, &ptr),
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GetParam(ForceType<Targ2>(), vm, 3, &ptr)
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);
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sq_pop(vm, 2);
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return 0;
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}
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static Tcls *SQConstruct(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2), HSQUIRRELVM vm)
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{
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SQAutoFreePointers ptr;
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Tcls *inst = new Tcls(
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GetParam(ForceType<Targ1>(), vm, 2, &ptr),
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GetParam(ForceType<Targ2>(), vm, 3, &ptr)
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);
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return inst;
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}
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};
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/**
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* The real C++ caller for function with return value and 3 params.
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*/
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template <typename Tretval, typename Targ1, typename Targ2, typename Targ3>
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struct HelperT<Tretval (*)(Targ1, Targ2, Targ3), false> {
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static int SQCall(void *instance, Tretval (*func)(Targ1, Targ2, Targ3), HSQUIRRELVM vm)
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{
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SQAutoFreePointers ptr;
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Tretval ret = (*func)(
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GetParam(ForceType<Targ1>(), vm, 2, &ptr),
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GetParam(ForceType<Targ2>(), vm, 3, &ptr),
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GetParam(ForceType<Targ3>(), vm, 4, &ptr)
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);
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sq_pop(vm, 3);
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return Return(vm, ret);
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}
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};
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/**
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* The real C++ caller for function with no return value and 3 params.
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*/
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template <typename Tretval, typename Targ1, typename Targ2, typename Targ3>
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struct HelperT<Tretval (*)(Targ1, Targ2, Targ3), true> {
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static int SQCall(void *instance, Tretval (*func)(Targ1, Targ2, Targ3), HSQUIRRELVM vm)
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{
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SQAutoFreePointers ptr;
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(*func)(
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GetParam(ForceType<Targ1>(), vm, 2, &ptr),
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GetParam(ForceType<Targ2>(), vm, 3, &ptr),
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GetParam(ForceType<Targ3>(), vm, 4, &ptr)
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);
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sq_pop(vm, 3);
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return 0;
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}
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};
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/**
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* The real C++ caller for method with return value and 3 params.
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*/
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template <class Tcls, typename Tretval, typename Targ1, typename Targ2, typename Targ3>
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struct HelperT<Tretval (Tcls::*)(Targ1, Targ2, Targ3), false> {
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static int SQCall(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2, Targ3), HSQUIRRELVM vm)
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{
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SQAutoFreePointers ptr;
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Tretval ret = (instance->*func)(
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GetParam(ForceType<Targ1>(), vm, 2, &ptr),
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GetParam(ForceType<Targ2>(), vm, 3, &ptr),
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GetParam(ForceType<Targ3>(), vm, 4, &ptr)
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);
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sq_pop(vm, 3);
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return Return(vm, ret);
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}
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};
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/**
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* The real C++ caller for method with no return value and 3 params.
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*/
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template <class Tcls, typename Tretval, typename Targ1, typename Targ2, typename Targ3>
|
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struct HelperT<Tretval (Tcls::*)(Targ1, Targ2, Targ3), true> {
|
|
static int SQCall(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2, Targ3), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
(instance->*func)(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr)
|
|
);
|
|
sq_pop(vm, 3);
|
|
return 0;
|
|
}
|
|
|
|
static Tcls *SQConstruct(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2, Targ3), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
Tcls *inst = new Tcls(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr)
|
|
);
|
|
|
|
return inst;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The real C++ caller for function with return value and 4 params.
|
|
*/
|
|
template <typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4>
|
|
struct HelperT<Tretval (*)(Targ1, Targ2, Targ3, Targ4), false> {
|
|
static int SQCall(void *instance, Tretval (*func)(Targ1, Targ2, Targ3, Targ4), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
Tretval ret = (*func)(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr)
|
|
);
|
|
sq_pop(vm, 4);
|
|
return Return(vm, ret);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The real C++ caller for function with no return value and 4 params.
|
|
*/
|
|
template <typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4>
|
|
struct HelperT<Tretval (*)(Targ1, Targ2, Targ3, Targ4), true> {
|
|
static int SQCall(void *instance, Tretval (*func)(Targ1, Targ2, Targ3, Targ4), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
(*func)(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr)
|
|
);
|
|
sq_pop(vm, 4);
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The real C++ caller for method with return value and 4 params.
|
|
*/
|
|
template <class Tcls, typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4>
|
|
struct HelperT<Tretval (Tcls::*)(Targ1, Targ2, Targ3, Targ4), false> {
|
|
static int SQCall(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2, Targ3, Targ4), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
Tretval ret = (instance->*func)(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr)
|
|
);
|
|
sq_pop(vm, 4);
|
|
return Return(vm, ret);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The real C++ caller for method with no return value and 4 params.
|
|
*/
|
|
template <class Tcls, typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4>
|
|
struct HelperT<Tretval (Tcls::*)(Targ1, Targ2, Targ3, Targ4), true> {
|
|
static int SQCall(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2, Targ3, Targ4), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
(instance->*func)(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr)
|
|
);
|
|
sq_pop(vm, 4);
|
|
return 0;
|
|
}
|
|
|
|
static Tcls *SQConstruct(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2, Targ3, Targ4), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
Tcls *inst = new Tcls(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr)
|
|
);
|
|
|
|
return inst;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The real C++ caller for function with return value and 5 params.
|
|
*/
|
|
template <typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4, typename Targ5>
|
|
struct HelperT<Tretval (*)(Targ1, Targ2, Targ3, Targ4, Targ5), false> {
|
|
static int SQCall(void *instance, Tretval (*func)(Targ1, Targ2, Targ3, Targ4, Targ5), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
Tretval ret = (*func)(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr),
|
|
GetParam(ForceType<Targ5>(), vm, 6, &ptr)
|
|
);
|
|
sq_pop(vm, 5);
|
|
return Return(vm, ret);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The real C++ caller for function with no return value and 5 params.
|
|
*/
|
|
template <typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4, typename Targ5>
|
|
struct HelperT<Tretval (*)(Targ1, Targ2, Targ3, Targ4, Targ5), true> {
|
|
static int SQCall(void *instance, Tretval (*func)(Targ1, Targ2, Targ3, Targ4, Targ5), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
(*func)(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr),
|
|
GetParam(ForceType<Targ5>(), vm, 6, &ptr)
|
|
);
|
|
sq_pop(vm, 5);
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The real C++ caller for method with return value and 5 params.
|
|
*/
|
|
template <class Tcls, typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4, typename Targ5>
|
|
struct HelperT<Tretval (Tcls::*)(Targ1, Targ2, Targ3, Targ4, Targ5), false> {
|
|
static int SQCall(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2, Targ3, Targ4, Targ5), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
Tretval ret = (instance->*func)(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr),
|
|
GetParam(ForceType<Targ5>(), vm, 6, &ptr)
|
|
);
|
|
sq_pop(vm, 5);
|
|
return Return(vm, ret);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The real C++ caller for method with no return value and 5 params.
|
|
*/
|
|
template <class Tcls, typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4, typename Targ5>
|
|
struct HelperT<Tretval (Tcls::*)(Targ1, Targ2, Targ3, Targ4, Targ5), true> {
|
|
static int SQCall(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2, Targ3, Targ4, Targ5), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
(instance->*func)(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr),
|
|
GetParam(ForceType<Targ5>(), vm, 6, &ptr)
|
|
);
|
|
sq_pop(vm, 5);
|
|
return 0;
|
|
}
|
|
|
|
static Tcls *SQConstruct(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2, Targ3, Targ4, Targ5), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
Tcls *inst = new Tcls(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr),
|
|
GetParam(ForceType<Targ5>(), vm, 6, &ptr)
|
|
);
|
|
|
|
return inst;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The real C++ caller for function with return value and 10 params.
|
|
*/
|
|
template <typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4, typename Targ5, typename Targ6, typename Targ7, typename Targ8, typename Targ9, typename Targ10>
|
|
struct HelperT<Tretval (*)(Targ1, Targ2, Targ3, Targ4, Targ5, Targ6, Targ7, Targ8, Targ9, Targ10), false> {
|
|
static int SQCall(void *instance, Tretval (*func)(Targ1, Targ2, Targ3, Targ4, Targ5, Targ6, Targ7, Targ8, Targ9, Targ10), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
Tretval ret = (*func)(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr),
|
|
GetParam(ForceType<Targ5>(), vm, 6, &ptr),
|
|
GetParam(ForceType<Targ6>(), vm, 7, &ptr),
|
|
GetParam(ForceType<Targ7>(), vm, 8, &ptr),
|
|
GetParam(ForceType<Targ8>(), vm, 9, &ptr),
|
|
GetParam(ForceType<Targ9>(), vm, 10, &ptr),
|
|
GetParam(ForceType<Targ10>(), vm, 11, &ptr)
|
|
);
|
|
sq_pop(vm, 10);
|
|
return Return(vm, ret);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The real C++ caller for function with no return value and 10 params.
|
|
*/
|
|
template <typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4, typename Targ5, typename Targ6, typename Targ7, typename Targ8, typename Targ9, typename Targ10>
|
|
struct HelperT<Tretval (*)(Targ1, Targ2, Targ3, Targ4, Targ5, Targ6, Targ7, Targ8, Targ9, Targ10), true> {
|
|
static int SQCall(void *instance, Tretval (*func)(Targ1, Targ2, Targ3, Targ4, Targ5, Targ6, Targ7, Targ8, Targ9, Targ10), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
(*func)(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr),
|
|
GetParam(ForceType<Targ5>(), vm, 6, &ptr),
|
|
GetParam(ForceType<Targ6>(), vm, 7, &ptr),
|
|
GetParam(ForceType<Targ7>(), vm, 8, &ptr),
|
|
GetParam(ForceType<Targ8>(), vm, 9, &ptr),
|
|
GetParam(ForceType<Targ9>(), vm, 10, &ptr),
|
|
GetParam(ForceType<Targ10>(), vm, 11, &ptr)
|
|
);
|
|
sq_pop(vm, 10);
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The real C++ caller for method with return value and 10 params.
|
|
*/
|
|
template <class Tcls, typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4, typename Targ5, typename Targ6, typename Targ7, typename Targ8, typename Targ9, typename Targ10>
|
|
struct HelperT<Tretval (Tcls::*)(Targ1, Targ2, Targ3, Targ4, Targ5, Targ6, Targ7, Targ8, Targ9, Targ10), false> {
|
|
static int SQCall(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2, Targ3, Targ4, Targ5, Targ6, Targ7, Targ8, Targ9, Targ10), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
Tretval ret = (instance->*func)(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr),
|
|
GetParam(ForceType<Targ5>(), vm, 6, &ptr),
|
|
GetParam(ForceType<Targ6>(), vm, 7, &ptr),
|
|
GetParam(ForceType<Targ7>(), vm, 8, &ptr),
|
|
GetParam(ForceType<Targ8>(), vm, 9, &ptr),
|
|
GetParam(ForceType<Targ9>(), vm, 10, &ptr),
|
|
GetParam(ForceType<Targ10>(), vm, 11, &ptr)
|
|
);
|
|
sq_pop(vm, 10);
|
|
return Return(vm, ret);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The real C++ caller for method with no return value and 10 params.
|
|
*/
|
|
template <class Tcls, typename Tretval, typename Targ1, typename Targ2, typename Targ3, typename Targ4, typename Targ5, typename Targ6, typename Targ7, typename Targ8, typename Targ9, typename Targ10>
|
|
struct HelperT<Tretval (Tcls::*)(Targ1, Targ2, Targ3, Targ4, Targ5, Targ6, Targ7, Targ8, Targ9, Targ10), true> {
|
|
static int SQCall(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2, Targ3, Targ4, Targ5, Targ6, Targ7, Targ8, Targ9, Targ10), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
(instance->*func)(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr),
|
|
GetParam(ForceType<Targ5>(), vm, 6, &ptr),
|
|
GetParam(ForceType<Targ6>(), vm, 7, &ptr),
|
|
GetParam(ForceType<Targ7>(), vm, 8, &ptr),
|
|
GetParam(ForceType<Targ8>(), vm, 9, &ptr),
|
|
GetParam(ForceType<Targ9>(), vm, 10, &ptr),
|
|
GetParam(ForceType<Targ10>(), vm, 11, &ptr)
|
|
);
|
|
sq_pop(vm, 10);
|
|
return 0;
|
|
}
|
|
|
|
static Tcls *SQConstruct(Tcls *instance, Tretval (Tcls::*func)(Targ1, Targ2, Targ3, Targ4, Targ5, Targ6, Targ7, Targ8, Targ9, Targ10), HSQUIRRELVM vm)
|
|
{
|
|
SQAutoFreePointers ptr;
|
|
Tcls *inst = new Tcls(
|
|
GetParam(ForceType<Targ1>(), vm, 2, &ptr),
|
|
GetParam(ForceType<Targ2>(), vm, 3, &ptr),
|
|
GetParam(ForceType<Targ3>(), vm, 4, &ptr),
|
|
GetParam(ForceType<Targ4>(), vm, 5, &ptr),
|
|
GetParam(ForceType<Targ5>(), vm, 6, &ptr),
|
|
GetParam(ForceType<Targ6>(), vm, 7, &ptr),
|
|
GetParam(ForceType<Targ7>(), vm, 8, &ptr),
|
|
GetParam(ForceType<Targ8>(), vm, 9, &ptr),
|
|
GetParam(ForceType<Targ9>(), vm, 10, &ptr),
|
|
GetParam(ForceType<Targ10>(), vm, 11, &ptr)
|
|
);
|
|
|
|
return inst;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* A general template for all non-static method callbacks from Squirrel.
|
|
* In here the function_proc is recovered, and the SQCall is called that
|
|
* can handle this exact amount of params.
|
|
*/
|
|
template <typename Tcls, typename Tmethod>
|
|
inline SQInteger DefSQNonStaticCallback(HSQUIRRELVM vm)
|
|
{
|
|
/* Find the amount of params we got */
|
|
int nparam = sq_gettop(vm);
|
|
SQUserPointer ptr = NULL;
|
|
SQUserPointer real_instance = NULL;
|
|
HSQOBJECT instance;
|
|
|
|
/* Get the 'SQ' instance of this class */
|
|
Squirrel::GetInstance(vm, &instance);
|
|
|
|
/* Protect against calls to a non-static method in a static way */
|
|
sq_pushroottable(vm);
|
|
sq_pushstring(vm, OTTD2FS(Tcls::GetClassName()), -1);
|
|
sq_get(vm, -2);
|
|
sq_pushobject(vm, instance);
|
|
if (sq_instanceof(vm) != SQTrue) return sq_throwerror(vm, _SC("class method is non-static"));
|
|
sq_pop(vm, 3);
|
|
|
|
/* Get the 'real' instance of this class */
|
|
sq_getinstanceup(vm, 1, &real_instance, 0);
|
|
/* Get the real function pointer */
|
|
sq_getuserdata(vm, nparam, &ptr, 0);
|
|
if (real_instance == NULL) return sq_throwerror(vm, _SC("couldn't detect real instance of class for non-static call"));
|
|
/* Remove the userdata from the stack */
|
|
sq_pop(vm, 1);
|
|
|
|
try {
|
|
/* Delegate it to a template that can handle this specific function */
|
|
return HelperT<Tmethod>::SQCall((Tcls *)real_instance, *(Tmethod *)ptr, vm);
|
|
} catch (SQInteger e) {
|
|
sq_pop(vm, nparam);
|
|
return e;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A general template for all non-static advanced method callbacks from Squirrel.
|
|
* In here the function_proc is recovered, and the SQCall is called that
|
|
* can handle this exact amount of params.
|
|
*/
|
|
template <typename Tcls, typename Tmethod>
|
|
inline SQInteger DefSQAdvancedNonStaticCallback(HSQUIRRELVM vm)
|
|
{
|
|
/* Find the amount of params we got */
|
|
int nparam = sq_gettop(vm);
|
|
SQUserPointer ptr = NULL;
|
|
SQUserPointer real_instance = NULL;
|
|
HSQOBJECT instance;
|
|
|
|
/* Get the 'SQ' instance of this class */
|
|
Squirrel::GetInstance(vm, &instance);
|
|
|
|
/* Protect against calls to a non-static method in a static way */
|
|
sq_pushroottable(vm);
|
|
sq_pushstring(vm, OTTD2FS(Tcls::GetClassName()), -1);
|
|
sq_get(vm, -2);
|
|
sq_pushobject(vm, instance);
|
|
if (sq_instanceof(vm) != SQTrue) return sq_throwerror(vm, _SC("class method is non-static"));
|
|
sq_pop(vm, 3);
|
|
|
|
/* Get the 'real' instance of this class */
|
|
sq_getinstanceup(vm, 1, &real_instance, 0);
|
|
/* Get the real function pointer */
|
|
sq_getuserdata(vm, nparam, &ptr, 0);
|
|
if (real_instance == NULL) return sq_throwerror(vm, _SC("couldn't detect real instance of class for non-static call"));
|
|
/* Remove the userdata from the stack */
|
|
sq_pop(vm, 1);
|
|
|
|
/* Call the function, which its only param is always the VM */
|
|
return (SQInteger)(((Tcls *)real_instance)->*(*(Tmethod *)ptr))(vm);
|
|
}
|
|
|
|
/**
|
|
* A general template for all function/static method callbacks from Squirrel.
|
|
* In here the function_proc is recovered, and the SQCall is called that
|
|
* can handle this exact amount of params.
|
|
*/
|
|
template <typename Tcls, typename Tmethod>
|
|
inline SQInteger DefSQStaticCallback(HSQUIRRELVM vm)
|
|
{
|
|
/* Find the amount of params we got */
|
|
int nparam = sq_gettop(vm);
|
|
SQUserPointer ptr = NULL;
|
|
|
|
/* Get the real function pointer */
|
|
sq_getuserdata(vm, nparam, &ptr, 0);
|
|
|
|
try {
|
|
/* Delegate it to a template that can handle this specific function */
|
|
return HelperT<Tmethod>::SQCall((Tcls *)NULL, *(Tmethod *)ptr, vm);
|
|
} catch (SQInteger e) {
|
|
sq_pop(vm, nparam);
|
|
return e;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A general template for the destructor of SQ instances. This is needed
|
|
* here as it has to be in the same scope as DefSQConstructorCallback.
|
|
*/
|
|
template <typename Tcls>
|
|
static SQInteger DefSQDestructorCallback(SQUserPointer p, SQInteger size)
|
|
{
|
|
/* Remove the real instance too */
|
|
if (p != NULL) ((Tcls *)p)->Release();
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* A general template to handle creating of instance with any amount of
|
|
* params. It creates the instance in C++, and it sets all the needed
|
|
* settings in SQ to register the instance.
|
|
*/
|
|
template <typename Tcls, typename Tmethod, int Tnparam>
|
|
inline SQInteger DefSQConstructorCallback(HSQUIRRELVM vm)
|
|
{
|
|
/* Find the amount of params we got */
|
|
int nparam = sq_gettop(vm);
|
|
|
|
try {
|
|
/* Create the real instance */
|
|
Tcls *instance = HelperT<Tmethod>::SQConstruct((Tcls *)NULL, (Tmethod)NULL, vm);
|
|
sq_setinstanceup(vm, -Tnparam, instance);
|
|
sq_setreleasehook(vm, -Tnparam, DefSQDestructorCallback<Tcls>);
|
|
instance->AddRef();
|
|
return 0;
|
|
} catch (SQInteger e) {
|
|
sq_pop(vm, nparam);
|
|
return e;
|
|
}
|
|
}
|
|
|
|
}; // namespace SQConvert
|
|
|
|
#endif /* SQUIRREL_HELPER_HPP */
|