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This commit is contained in:
blueloveTH 2023-05-23 19:38:21 +08:00
parent 746bd452b3
commit 020904ca53
3 changed files with 38 additions and 40 deletions
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4
src/cffi.h
View File

@ -379,7 +379,7 @@ struct NativeProxyFuncC final: NativeProxyFuncCBase {
};
inline PyObject* _any_c_wrapper(VM* vm, ArgsView args){
NativeProxyFuncCBase* pf = static_cast<NativeProxyFuncCBase*>(lambda_get_userdata(args)._p);
NativeProxyFuncCBase* pf = lambda_get_userdata<NativeProxyFuncCBase*>(args);
return (*pf)(vm, args);
}
@ -389,7 +389,7 @@ inline void bind_any_c_fp(VM* vm, PyObject* obj, Str name, T fp){
static_assert(std::is_pointer_v<T>);
auto proxy = new NativeProxyFuncC(fp);
PyObject* func = VAR(NativeFunc(_any_c_wrapper, proxy->N, false));
_CAST(NativeFunc&, func).userdata._p = proxy;
_CAST(NativeFunc&, func).set_userdata(proxy);
obj->attr().set(name, func);
}

40
src/obj.h
View File

@ -14,15 +14,6 @@ class VM;
typedef PyObject* (*NativeFuncC)(VM*, ArgsView);
typedef int (*LuaStyleFuncC)(VM*);
union UserData{
void* _p;
void (*_fp)(void);
char _char;
int _int;
float _float;
bool _bool;
};
struct NativeFunc {
NativeFuncC f;
int argc; // DONOT include self
@ -33,7 +24,22 @@ struct NativeFunc {
// (-2) or (-1) depends on the calling convention
LuaStyleFuncC _lua_f;
UserData userdata;
using UserData = char[32];
UserData _userdata;
template <typename T>
void set_userdata(T data) {
static_assert(std::is_trivially_copyable_v<T>);
static_assert(sizeof(T) <= sizeof(UserData));
memcpy(_userdata, &data, sizeof(T));
}
template <typename T>
T get_userdata() const {
static_assert(std::is_trivially_copyable_v<T>);
static_assert(sizeof(T) <= sizeof(UserData));
return reinterpret_cast<const T&>(_userdata);
}
NativeFunc(NativeFuncC f, int argc, bool method) : f(f), argc(argc), method(method), _lua_f(nullptr) {}
PyObject* operator()(VM* vm, ArgsView args) const;
@ -391,18 +397,10 @@ struct Py_<DummyModule> final: PyObject {
void _obj_gc_mark() override {}
};
template<typename T>
T lambda_get_fp(ArgsView args){
void (*f)();
if(args[-1] != PY_NULL) f = OBJ_GET(NativeFunc, args[-1]).userdata._fp;
else f = OBJ_GET(NativeFunc, args[-2]).userdata._fp;
return reinterpret_cast<T>(f);
}
inline UserData& lambda_get_userdata(ArgsView args){
if(args[-1] != PY_NULL) return OBJ_GET(NativeFunc, args[-1]).userdata;
else return OBJ_GET(NativeFunc, args[-2]).userdata;
inline T lambda_get_userdata(ArgsView args){
if(args[-1] != PY_NULL) return OBJ_GET(NativeFunc, args[-1]).get_userdata<T>();
else return OBJ_GET(NativeFunc, args[-2]).get_userdata<T>();
}

32
src/vm.h
View File

@ -338,9 +338,9 @@ public:
void bind##name(Type type, PyObject* (*f)(VM*, PyObject*)){ \
_all_types[type].m##name = f; \
PyObject* nf = bind_method<0>(_t(type), #name, [](VM* vm, ArgsView args){ \
return lambda_get_fp<PyObject*(*)(VM*, PyObject*)>(args)(vm, args[0]); \
return lambda_get_userdata<PyObject*(*)(VM*, PyObject*)>(args)(vm, args[0]);\
}); \
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)()>(f); \
OBJ_GET(NativeFunc, nf).set_userdata(f); \
}
BIND_UNARY_SPECIAL(__repr__)
@ -361,10 +361,10 @@ public:
PyObject* obj = _t(type); \
_all_types[type].m##name = f; \
PyObject* nf = bind_method<1>(obj, #name, [](VM* vm, ArgsView args){ \
bool ok = lambda_get_fp<bool(*)(VM*, PyObject*, PyObject*)>(args)(vm, args[0], args[1]); \
bool ok = lambda_get_userdata<bool(*)(VM*, PyObject*, PyObject*)>(args)(vm, args[0], args[1]); \
return ok ? vm->True : vm->False; \
}); \
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)()>(f); \
OBJ_GET(NativeFunc, nf).set_userdata(f); \
}
BIND_LOGICAL_SPECIAL(__eq__)
@ -382,9 +382,9 @@ public:
PyObject* obj = _t(type); \
_all_types[type].m##name = f; \
PyObject* nf = bind_method<1>(obj, #name, [](VM* vm, ArgsView args){ \
return lambda_get_fp<PyObject*(*)(VM*, PyObject*, PyObject*)>(args)(vm, args[0], args[1]); \
return lambda_get_userdata<PyObject*(*)(VM*, PyObject*, PyObject*)>(args)(vm, args[0], args[1]); \
}); \
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)()>(f); \
OBJ_GET(NativeFunc, nf).set_userdata(f); \
}
BIND_BINARY_SPECIAL(__add__)
@ -408,29 +408,29 @@ public:
PyObject* obj = _t(type);
_all_types[type].m__getitem__ = f;
PyObject* nf = bind_method<1>(obj, "__getitem__", [](VM* vm, ArgsView args){
return lambda_get_fp<PyObject*(*)(VM*, PyObject*, PyObject*)>(args)(vm, args[0], args[1]);
return lambda_get_userdata<PyObject*(*)(VM*, PyObject*, PyObject*)>(args)(vm, args[0], args[1]);
});
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)()>(f);
OBJ_GET(NativeFunc, nf).set_userdata(f);
}
void bind__setitem__(Type type, void (*f)(VM*, PyObject*, PyObject*, PyObject*)){
PyObject* obj = _t(type);
_all_types[type].m__setitem__ = f;
PyObject* nf = bind_method<2>(obj, "__setitem__", [](VM* vm, ArgsView args){
lambda_get_fp<void(*)(VM* vm, PyObject*, PyObject*, PyObject*)>(args)(vm, args[0], args[1], args[2]);
lambda_get_userdata<void(*)(VM* vm, PyObject*, PyObject*, PyObject*)>(args)(vm, args[0], args[1], args[2]);
return vm->None;
});
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)()>(f);
OBJ_GET(NativeFunc, nf).set_userdata(f);
}
void bind__delitem__(Type type, void (*f)(VM*, PyObject*, PyObject*)){
PyObject* obj = _t(type);
_all_types[type].m__delitem__ = f;
PyObject* nf = bind_method<1>(obj, "__delitem__", [](VM* vm, ArgsView args){
lambda_get_fp<void(*)(VM*, PyObject*, PyObject*)>(args)(vm, args[0], args[1]);
lambda_get_userdata<void(*)(VM*, PyObject*, PyObject*)>(args)(vm, args[0], args[1]);
return vm->None;
});
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)()>(f);
OBJ_GET(NativeFunc, nf).set_userdata(f);
}
bool py_equals(PyObject* lhs, PyObject* rhs){
@ -1406,20 +1406,20 @@ inline void VM::bind__hash__(Type type, i64 (*f)(VM*, PyObject*)){
PyObject* obj = _t(type);
_all_types[type].m__hash__ = f;
PyObject* nf = bind_method<0>(obj, "__hash__", [](VM* vm, ArgsView args){
i64 ret = lambda_get_fp<i64(*)(VM*, PyObject*)>(args)(vm, args[0]);
i64 ret = lambda_get_userdata<i64(*)(VM*, PyObject*)>(args)(vm, args[0]);
return VAR(ret);
});
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)(void)>(f);
OBJ_GET(NativeFunc, nf).set_userdata(f);
}
inline void VM::bind__len__(Type type, i64 (*f)(VM*, PyObject*)){
PyObject* obj = _t(type);
_all_types[type].m__len__ = f;
PyObject* nf = bind_method<0>(obj, "__len__", [](VM* vm, ArgsView args){
i64 ret = lambda_get_fp<i64(*)(VM*, PyObject*)>(args)(vm, args[0]);
i64 ret = lambda_get_userdata<i64(*)(VM*, PyObject*)>(args)(vm, args[0]);
return VAR(ret);
});
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)(void)>(f);
OBJ_GET(NativeFunc, nf).set_userdata(f);
}