mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2024-11-09 01:07:16 +01:00
f300e7ff4a
Extensive code refactoring surrounding the StackStrF helper to facilitate the new changes. Various other miscellaneous changes and code refactoring to facilitate the new changes.
483 lines
14 KiB
C++
483 lines
14 KiB
C++
//
|
|
// SqratMemberMethods: Member Methods
|
|
//
|
|
|
|
//
|
|
// Copyright (c) 2009 Brandon Jones
|
|
// Copyright 2011 Li-Cheng (Andy) Tai
|
|
//
|
|
// This software is provided 'as-is', without any express or implied
|
|
// warranty. In no event will the authors be held liable for any damages
|
|
// arising from the use of this software.
|
|
//
|
|
// Permission is granted to anyone to use this software for any purpose,
|
|
// including commercial applications, and to alter it and redistribute it
|
|
// freely, subject to the following restrictions:
|
|
//
|
|
// 1. The origin of this software must not be misrepresented; you must not
|
|
// claim that you wrote the original software. If you use this software
|
|
// in a product, an acknowledgment in the product documentation would be
|
|
// appreciated but is not required.
|
|
//
|
|
// 2. Altered source versions must be plainly marked as such, and must not be
|
|
// misrepresented as being the original software.
|
|
//
|
|
// 3. This notice may not be removed or altered from any source
|
|
// distribution.
|
|
//
|
|
|
|
#if !defined(_SCRAT_MEMBER_METHODS_H_)
|
|
#define _SCRAT_MEMBER_METHODS_H_
|
|
|
|
#ifdef SQMOD_PLUGIN_API
|
|
#include <SqAPI.h>
|
|
#else
|
|
#include <squirrel.h>
|
|
#endif // SQMOD_PLUGIN_API
|
|
|
|
#include "sqratTypes.h"
|
|
|
|
namespace Sqrat {
|
|
|
|
/// @cond DEV
|
|
|
|
//
|
|
// Squirrel Member Functions
|
|
//
|
|
template <class C,class R> struct SqMemberProxy {
|
|
template <class... A> static SQInteger Run(HSQUIRRELVM vm) noexcept {
|
|
ArgPop<A...> a(vm, 2);
|
|
if (SQ_FAILED(a.Proc(sizeof...(A) == 0 && sq_gettop(vm) == 2))) {
|
|
return a.ProcRes();
|
|
}
|
|
a.Call(vm, [](HSQUIRRELVM vm, A... a) {
|
|
typedef R(C::*M)(A...);
|
|
C* inst = Var<C*>(vm, 1).value;
|
|
M* methodPtr;
|
|
sq_getuserdata(vm, -1, reinterpret_cast<SQUserPointer*>(&methodPtr), NULL);
|
|
M method = *methodPtr;
|
|
R ret = (inst->*method)(a...);
|
|
PushVar(vm, ret);
|
|
});
|
|
return 1;
|
|
}
|
|
template <class... A> static SQInteger RunC(HSQUIRRELVM vm) noexcept {
|
|
ArgPop<A...> a(vm, 2);
|
|
if (SQ_FAILED(a.Proc(sizeof...(A) == 0 && sq_gettop(vm) == 2))) {
|
|
return a.ProcRes();
|
|
}
|
|
a.Call(vm, [](HSQUIRRELVM vm, A... a) {
|
|
typedef R(C::*M)(A...) const;
|
|
C* inst = Var<C*>(vm, 1).value;
|
|
M* methodPtr;
|
|
sq_getuserdata(vm, -1, reinterpret_cast<SQUserPointer*>(&methodPtr), NULL);
|
|
M method = *methodPtr;
|
|
R ret = (inst->*method)(a...);
|
|
PushVar(vm, ret);
|
|
});
|
|
return 1;
|
|
}
|
|
};
|
|
|
|
//
|
|
// reference return specialization
|
|
//
|
|
|
|
template <class C, class R> struct SqMemberProxy<C, R&> {
|
|
template <class... A> static SQInteger Run(HSQUIRRELVM vm) noexcept {
|
|
ArgPop<A...> a(vm, 2);
|
|
if (SQ_FAILED(a.Proc(sizeof...(A) == 0 && sq_gettop(vm) == 2))) {
|
|
return a.ProcRes();
|
|
}
|
|
a.Call(vm, [](HSQUIRRELVM vm, A... a) {
|
|
typedef R&(C::*M)(A...);
|
|
C* inst = Var<C*>(vm, 1).value;
|
|
M* methodPtr;
|
|
sq_getuserdata(vm, -1, reinterpret_cast<SQUserPointer*>(&methodPtr), NULL);
|
|
M method = *methodPtr;
|
|
R& ret = (inst->*method)(a...);
|
|
PushVarR(vm, ret);
|
|
});
|
|
return 1;
|
|
}
|
|
template <class... A> static SQInteger RunC(HSQUIRRELVM vm) noexcept {
|
|
ArgPop<A...> a(vm, 2);
|
|
if (SQ_FAILED(a.Proc(sizeof...(A) == 0 && sq_gettop(vm) == 2))) {
|
|
return a.ProcRes();
|
|
}
|
|
a.Call(vm, [](HSQUIRRELVM vm, A... a) {
|
|
typedef R&(C::*M)(A...) const;
|
|
C* inst = Var<C*>(vm, 1).value;
|
|
M* methodPtr;
|
|
sq_getuserdata(vm, -1, reinterpret_cast<SQUserPointer*>(&methodPtr), NULL);
|
|
M method = *methodPtr;
|
|
R& ret = (inst->*method)(a...);
|
|
PushVarR(vm, ret);
|
|
});
|
|
return 1;
|
|
}
|
|
};
|
|
|
|
//
|
|
// void return specialization
|
|
//
|
|
|
|
template <class C> struct SqMemberProxy<C, void> {
|
|
template <class... A> static SQInteger Run(HSQUIRRELVM vm) noexcept {
|
|
ArgPop<A...> a(vm, 2);
|
|
if (SQ_FAILED(a.Proc(sizeof...(A) == 0 && sq_gettop(vm) == 2))) {
|
|
return a.ProcRes();
|
|
}
|
|
a.Call(vm, [](HSQUIRRELVM vm, A... a) {
|
|
typedef void(C::*M)(A...);
|
|
C* inst = Var<C*>(vm, 1).value;
|
|
M* methodPtr;
|
|
sq_getuserdata(vm, -1, reinterpret_cast<SQUserPointer*>(&methodPtr), NULL);
|
|
M method = *methodPtr;
|
|
(inst->*method)(a...);
|
|
});
|
|
return 0;
|
|
}
|
|
template <class... A> static SQInteger RunC(HSQUIRRELVM vm) noexcept {
|
|
ArgPop<A...> a(vm, 2);
|
|
if (SQ_FAILED(a.Proc(sizeof...(A) == 0 && sq_gettop(vm) == 2))) {
|
|
return a.ProcRes();
|
|
}
|
|
a.Call(vm, [](HSQUIRRELVM vm, A... a) {
|
|
typedef void(C::*M)(A...) const;
|
|
C* inst = Var<C*>(vm, 1).value;
|
|
M* methodPtr;
|
|
sq_getuserdata(vm, -1, reinterpret_cast<SQUserPointer*>(&methodPtr), NULL);
|
|
M method = *methodPtr;
|
|
(inst->*method)(a...);
|
|
});
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
template<bool> struct SqMemberParamCheck {
|
|
static inline bool Invalid(SQInteger top, SQInteger count) {
|
|
return top != count;
|
|
}
|
|
};
|
|
template<> struct SqMemberParamCheck<true> {
|
|
static inline bool Invalid(SQInteger top, SQInteger count) {
|
|
return top < count;
|
|
}
|
|
};
|
|
|
|
//
|
|
// Squirrel Member Functions
|
|
//
|
|
template <class C,class R> struct SqMember {
|
|
// Function proxy
|
|
template <bool overloaded, class... A> static SQFUNCTION GetProxy() noexcept {
|
|
return +[](HSQUIRRELVM vm) noexcept -> SQInteger {
|
|
#if !defined (SCRAT_NO_ERROR_CHECKING)
|
|
if (!SQRAT_CONST_CONDITION(overloaded) &&
|
|
SqGlobalParamCheck< ArgPop<A...>::HASFMT >::Invalid(sq_gettop(vm), 2 + sizeof...(A))) {
|
|
return sq_throwerror(vm, _SC("wrong number of parameters"));
|
|
}
|
|
#endif
|
|
try {
|
|
return SqMemberProxy<C, R>::Run(vm);
|
|
} catch (const Exception& e) {
|
|
return sq_throwerror(vm, e.what());
|
|
}
|
|
SQ_UNREACHABLE
|
|
};
|
|
}
|
|
// Function proxy
|
|
template <bool overloaded, class... A> static SQFUNCTION GetProxyC() noexcept {
|
|
return +[](HSQUIRRELVM vm) noexcept -> SQInteger {
|
|
#if !defined (SCRAT_NO_ERROR_CHECKING)
|
|
if (!SQRAT_CONST_CONDITION(overloaded) &&
|
|
SqGlobalParamCheck< ArgPop<A...>::HASFMT >::Invalid(sq_gettop(vm), 2 + sizeof...(A))) {
|
|
return sq_throwerror(vm, _SC("wrong number of parameters"));
|
|
}
|
|
#endif
|
|
try {
|
|
return SqMemberProxy<C,R>::RunC(vm);
|
|
} catch (const Exception& e) {
|
|
return sq_throwerror(vm, e.what());
|
|
}
|
|
SQ_UNREACHABLE
|
|
};
|
|
}
|
|
};
|
|
|
|
//
|
|
// reference return specialization
|
|
//
|
|
|
|
template <class C, class R> struct SqMember<C, R&> {
|
|
// Function proxy
|
|
template <bool overloaded, class... A> static SQFUNCTION GetProxy() noexcept {
|
|
return +[](HSQUIRRELVM vm) noexcept -> SQInteger {
|
|
#if !defined (SCRAT_NO_ERROR_CHECKING)
|
|
if (!SQRAT_CONST_CONDITION(overloaded) &&
|
|
SqGlobalParamCheck< ArgPop<A...>::HASFMT >::Invalid(sq_gettop(vm), 2 + sizeof...(A))) {
|
|
return sq_throwerror(vm, _SC("wrong number of parameters"));
|
|
}
|
|
#endif
|
|
try {
|
|
return SqMemberProxy<C, R&>::Run(vm);
|
|
} catch (const Exception& e) {
|
|
return sq_throwerror(vm, e.what());
|
|
}
|
|
SQ_UNREACHABLE
|
|
};
|
|
}
|
|
// Function proxy
|
|
template <bool overloaded, class... A> static SQFUNCTION GetProxyC() noexcept {
|
|
return +[](HSQUIRRELVM vm) noexcept -> SQInteger {
|
|
#if !defined (SCRAT_NO_ERROR_CHECKING)
|
|
if (!SQRAT_CONST_CONDITION(overloaded) &&
|
|
SqGlobalParamCheck< ArgPop<A...>::HASFMT >::Invalid(sq_gettop(vm), 2 + sizeof...(A))) {
|
|
return sq_throwerror(vm, _SC("wrong number of parameters"));
|
|
}
|
|
#endif
|
|
try {
|
|
return SqMemberProxy<C,R&>::RunC(vm);
|
|
} catch (const Exception& e) {
|
|
return sq_throwerror(vm, e.what());
|
|
}
|
|
SQ_UNREACHABLE
|
|
};
|
|
}
|
|
};
|
|
|
|
|
|
//
|
|
// void return specialization
|
|
//
|
|
|
|
template <class C> struct SqMember<C, void> {
|
|
// Function proxy
|
|
template <bool overloaded, class... A> static SQFUNCTION GetProxy() noexcept {
|
|
return +[](HSQUIRRELVM vm) noexcept -> SQInteger {
|
|
#if !defined (SCRAT_NO_ERROR_CHECKING)
|
|
if (!SQRAT_CONST_CONDITION(overloaded) &&
|
|
SqGlobalParamCheck< ArgPop<A...>::HASFMT >::Invalid(sq_gettop(vm), 2 + sizeof...(A))) {
|
|
return sq_throwerror(vm, _SC("wrong number of parameters"));
|
|
}
|
|
#endif
|
|
try {
|
|
return SqMemberProxy<C, void>::Run(vm);
|
|
} catch (const Exception& e) {
|
|
return sq_throwerror(vm, e.what());
|
|
}
|
|
SQ_UNREACHABLE
|
|
};
|
|
}
|
|
// Function proxy
|
|
template <bool overloaded, class... A> static SQFUNCTION GetProxyC() noexcept {
|
|
return +[](HSQUIRRELVM vm) noexcept -> SQInteger {
|
|
#if !defined (SCRAT_NO_ERROR_CHECKING)
|
|
if (!SQRAT_CONST_CONDITION(overloaded) &&
|
|
SqGlobalParamCheck< ArgPop<A...>::HASFMT >::Invalid(sq_gettop(vm), 2 + sizeof...(A))) {
|
|
return sq_throwerror(vm, _SC("wrong number of parameters"));
|
|
}
|
|
#endif
|
|
try {
|
|
return SqMemberProxy<C,void>::RunC(vm);
|
|
} catch (const Exception& e) {
|
|
return sq_throwerror(vm, e.what());
|
|
}
|
|
SQ_UNREACHABLE
|
|
};
|
|
}
|
|
};
|
|
|
|
// Member Function Resolver
|
|
template <class C, class R,class... A> SQFUNCTION SqMemberFunc(R (C::* /*method*/)(A...)) noexcept {
|
|
return SqMember<C,R>::template GetProxy<false, A...>();
|
|
}
|
|
|
|
// Member Function Resolver
|
|
template <class C, class R,class... A> SQFUNCTION SqMemberFunc(R (C::* /*method*/)(A...) const) noexcept {
|
|
return SqMember<C,R>::template GetProxyC<false, A...>();
|
|
}
|
|
|
|
// Member Function Resolver
|
|
template <class C, class R,class... A> SQFUNCTION SqMemberFunc(R& (C::* /*method*/)(A...)) noexcept {
|
|
return SqMember<C,R&>::template GetProxy<false, A...>();
|
|
}
|
|
|
|
// Member Function Resolver
|
|
template <class C, class R,class... A> SQFUNCTION SqMemberFunc(R& (C::* /*method*/)(A...) const) noexcept {
|
|
return SqMember<C,R&>::template GetProxyC<false, A...>();
|
|
}
|
|
|
|
//
|
|
// Variable Get
|
|
//
|
|
|
|
template <class C, class V>
|
|
inline SQInteger sqDefaultGet(HSQUIRRELVM vm) {
|
|
C* ptr;
|
|
SQTRY()
|
|
ptr = Var<C*>(vm, 1).value;
|
|
SQCATCH_NOEXCEPT(vm) {
|
|
SQCLEAR(vm); // clear the previous error
|
|
return sq_throwerror(vm, SQWHAT_NOEXCEPT(vm));
|
|
}
|
|
SQCATCH(vm) {
|
|
return sq_throwerror(vm, SQWHAT(vm));
|
|
}
|
|
|
|
typedef V C::*M;
|
|
M* memberPtr = NULL;
|
|
sq_getuserdata(vm, -1, (SQUserPointer*)&memberPtr, NULL); // Get Member...
|
|
M member = *memberPtr;
|
|
|
|
PushVarR(vm, ptr->*member);
|
|
|
|
return 1;
|
|
}
|
|
|
|
template <class C, class V>
|
|
inline SQInteger sqStaticGet(HSQUIRRELVM vm) {
|
|
typedef V *M;
|
|
M* memberPtr = NULL;
|
|
sq_getuserdata(vm, -1, (SQUserPointer*)&memberPtr, NULL); // Get Member...
|
|
M member = *memberPtr;
|
|
|
|
PushVarR(vm, *member);
|
|
|
|
return 1;
|
|
}
|
|
|
|
inline SQInteger sqVarGet(HSQUIRRELVM vm) {
|
|
// Find the get method in the get table
|
|
sq_push(vm, 2);
|
|
#if !defined (SCRAT_NO_ERROR_CHECKING)
|
|
if (SQ_FAILED(sq_rawget(vm, -2))) {
|
|
#if (SQUIRREL_VERSION_NUMBER>= 200) && (SQUIRREL_VERSION_NUMBER < 300) // Squirrel 2.x
|
|
return sq_throwerror(vm, _SC("member variable not found"));
|
|
#else // Squirrel 3.x
|
|
sq_pushnull(vm);
|
|
return sq_throwobject(vm);
|
|
#endif
|
|
}
|
|
#else
|
|
sq_rawget(vm, -2);
|
|
#endif
|
|
|
|
// push 'this'
|
|
sq_push(vm, 1);
|
|
|
|
// Call the getter
|
|
#if !defined (SCRAT_NO_ERROR_CHECKING)
|
|
SQRESULT result = sq_call(vm, 1, true, ErrorHandling::IsEnabled());
|
|
if (SQ_FAILED(result)) {
|
|
return sq_throwerror(vm, LastErrorString(vm).c_str());
|
|
}
|
|
#else
|
|
sq_call(vm, 1, true, ErrorHandling::IsEnabled());
|
|
#endif
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
//
|
|
// Variable Set
|
|
//
|
|
|
|
template <class C, class V>
|
|
inline SQInteger sqDefaultSet(HSQUIRRELVM vm) {
|
|
C* ptr;
|
|
SQTRY()
|
|
ptr = Var<C*>(vm, 1).value;
|
|
SQCATCH_NOEXCEPT(vm) {
|
|
SQCLEAR(vm); // clear the previous error
|
|
return sq_throwerror(vm, SQWHAT_NOEXCEPT(vm));
|
|
}
|
|
SQCATCH(vm) {
|
|
return sq_throwerror(vm, SQWHAT(vm));
|
|
}
|
|
|
|
typedef V C::*M;
|
|
M* memberPtr = NULL;
|
|
sq_getuserdata(vm, -1, (SQUserPointer*)&memberPtr, NULL); // Get Member...
|
|
M member = *memberPtr;
|
|
|
|
SQTRY()
|
|
if (is_pointer<V>::value || is_reference<V>::value) {
|
|
ptr->*member = Var<V>(vm, 2).value;
|
|
} else {
|
|
ptr->*member = Var<const V&>(vm, 2).value;
|
|
}
|
|
SQCATCH_NOEXCEPT(vm) {
|
|
return sq_throwerror(vm, SQWHAT_NOEXCEPT(vm));
|
|
}
|
|
SQCATCH(vm) {
|
|
return sq_throwerror(vm, SQWHAT(vm));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
template <class C, class V>
|
|
inline SQInteger sqStaticSet(HSQUIRRELVM vm) {
|
|
typedef V *M;
|
|
M* memberPtr = NULL;
|
|
sq_getuserdata(vm, -1, (SQUserPointer*)&memberPtr, NULL); // Get Member...
|
|
M member = *memberPtr;
|
|
|
|
SQTRY()
|
|
if (is_pointer<V>::value || is_reference<V>::value) {
|
|
*member = Var<V>(vm, 2).value;
|
|
} else {
|
|
*member = Var<const V&>(vm, 2).value;
|
|
}
|
|
SQCATCH_NOEXCEPT(vm) {
|
|
return sq_throwerror(vm, SQWHAT_NOEXCEPT(vm));
|
|
}
|
|
SQCATCH(vm) {
|
|
return sq_throwerror(vm, SQWHAT(vm));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
inline SQInteger sqVarSet(HSQUIRRELVM vm) {
|
|
// Find the set method in the set table
|
|
sq_push(vm, 2);
|
|
#if !defined (SCRAT_NO_ERROR_CHECKING)
|
|
if (SQ_FAILED(sq_rawget(vm, -2))) {
|
|
#if (SQUIRREL_VERSION_NUMBER>= 200) && (SQUIRREL_VERSION_NUMBER < 300) // Squirrel 2.x
|
|
return sq_throwerror(vm, _SC("member variable not found"));
|
|
#else // Squirrel 3.x
|
|
sq_pushnull(vm);
|
|
return sq_throwobject(vm);
|
|
#endif
|
|
}
|
|
#else
|
|
sq_rawget(vm, -2);
|
|
#endif
|
|
|
|
// push 'this'
|
|
sq_push(vm, 1);
|
|
sq_push(vm, 3);
|
|
|
|
// Call the setter
|
|
#if !defined (SCRAT_NO_ERROR_CHECKING)
|
|
SQRESULT result = sq_call(vm, 2, false, ErrorHandling::IsEnabled());
|
|
if (SQ_FAILED(result)) {
|
|
return sq_throwerror(vm, LastErrorString(vm).c_str());
|
|
}
|
|
#else
|
|
sq_call(vm, 2, false, ErrorHandling::IsEnabled());
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
/// @endcond
|
|
|
|
}
|
|
|
|
#endif
|