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This commit is contained in:
BLUELOVETH 2023-05-19 19:04:30 +00:00
parent 834e3f3e71
commit d585929fef
2 changed files with 78 additions and 41 deletions
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24
src/obj.h
View File

@ -14,15 +14,27 @@ 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
bool method;
// this is designed for lua style C bindings
// access it via `CAST(NativeFunc&, args[-2])._lua_f`
// access it via `_CAST(NativeFunc&, args[-2])._lua_f`
// (-2) or (-1) depends on the calling convention
LuaStyleFuncC _lua_f;
UserData userdata;
NativeFunc(NativeFuncC f, int argc, bool method) : f(f), argc(argc), method(method), _lua_f(nullptr) {}
PyObject* operator()(VM* vm, ArgsView args) const;
};
@ -389,4 +401,14 @@ struct Py_<DummyModule> final: PyObject {
};
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);
}
} // namespace pkpy

95
src/vm.h
View File

@ -339,11 +339,12 @@ public:
}
#define BIND_UNARY_SPECIAL(name) \
void bind##name(Type type, PyObject* (*f)(VM* vm, PyObject*)){ \
void bind##name(Type type, PyObject* (*f)(VM*, PyObject*)){ \
_all_types[type].m##name = f; \
bind_method<0>(_t(type), #name, [](VM* vm, ArgsView args){ \
return vm->_inst_type_info(args[0])->m##name(vm, args[0]); \
PyObject* nf = bind_method<0>(_t(type), #name, [](VM* vm, ArgsView args){ \
return lambda_get_fp<PyObject*(*)(VM*, PyObject*)>(args)(vm, args[0]); \
}); \
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)()>(f); \
}
BIND_UNARY_SPECIAL(__repr__)
@ -360,13 +361,14 @@ public:
#define BIND_LOGICAL_SPECIAL(name) \
void bind##name(Type type, bool (*f)(VM* vm, PyObject* lhs, PyObject* rhs)){ \
void bind##name(Type type, bool (*f)(VM*, PyObject*, PyObject*)){ \
PyObject* obj = _t(type); \
_all_types[type].m##name = f; \
bind_method<1>(obj, #name, [](VM* vm, ArgsView args){ \
bool ok = vm->_inst_type_info(args[0])->m##name(vm, args[0], args[1]); \
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]); \
return ok ? vm->True : vm->False; \
}); \
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)()>(f); \
}
BIND_LOGICAL_SPECIAL(__eq__)
@ -381,12 +383,13 @@ public:
#define BIND_BINARY_SPECIAL(name) \
void bind##name(Type type, PyObject* (*f)(VM* vm, PyObject* lhs, PyObject* rhs)){ \
void bind##name(Type type, PyObject* (*f)(VM*, PyObject*, PyObject*)){ \
PyObject* obj = _t(type); \
_all_types[type].m##name = f; \
bind_method<1>(obj, #name, [](VM* vm, ArgsView args){ \
return vm->_inst_type_info(args[0])->m##name(vm, args[0], args[1]); \
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]); \
}); \
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)()>(f); \
}
BIND_BINARY_SPECIAL(__add__)
@ -406,30 +409,33 @@ public:
#undef BIND_BINARY_SPECIAL
void bind__getitem__(Type type, PyObject* (*f)(VM* vm, PyObject* lhs, PyObject* rhs)){
void bind__getitem__(Type type, PyObject* (*f)(VM*, PyObject*, PyObject*)){
PyObject* obj = _t(type);
_all_types[type].m__getitem__ = f;
bind_method<1>(obj, "__getitem__", [](VM* vm, ArgsView args){
return vm->_inst_type_info(args[0])->m__getitem__(vm, args[0], args[1]);
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]);
});
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)()>(f);
}
void bind__setitem__(Type type, void (*f)(VM* vm, PyObject* lhs, PyObject* rhs, PyObject* value)){
void bind__setitem__(Type type, void (*f)(VM*, PyObject*, PyObject*, PyObject*)){
PyObject* obj = _t(type);
_all_types[type].m__setitem__ = f;
bind_method<2>(obj, "__setitem__", [](VM* vm, ArgsView args){
vm->_inst_type_info(args[0])->m__setitem__(vm, args[0], args[1], args[2]);
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]);
return vm->None;
});
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)()>(f);
}
void bind__delitem__(Type type, void (*f)(VM* vm, PyObject* lhs, PyObject* rhs)){
void bind__delitem__(Type type, void (*f)(VM*, PyObject*, PyObject*)){
PyObject* obj = _t(type);
_all_types[type].m__delitem__ = f;
bind_method<1>(obj, "__delitem__", [](VM* vm, ArgsView args){
vm->_inst_type_info(args[0])->m__delitem__(vm, args[0], args[1]);
PyObject* nf = bind_method<1>(obj, "__delitem__", [](VM* vm, ArgsView args){
lambda_get_fp<void(*)(VM*, PyObject*, PyObject*)>(args)(vm, args[0], args[1]);
return vm->None;
});
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)()>(f);
}
bool py_equals(PyObject* lhs, PyObject* rhs){
@ -447,32 +453,32 @@ public:
}
template<int ARGC>
void bind_func(Str type, Str name, NativeFuncC fn) {
bind_func<ARGC>(_find_type_object(type), name, fn);
PyObject* bind_func(Str type, Str name, NativeFuncC fn) {
return bind_func<ARGC>(_find_type_object(type), name, fn);
}
template<int ARGC>
void bind_method(Str type, Str name, NativeFuncC fn) {
bind_method<ARGC>(_find_type_object(type), name, fn);
PyObject* bind_method(Str type, Str name, NativeFuncC fn) {
return bind_method<ARGC>(_find_type_object(type), name, fn);
}
template<int ARGC, typename __T>
void bind_constructor(__T&& type, NativeFuncC fn) {
PyObject* bind_constructor(__T&& type, NativeFuncC fn) {
static_assert(ARGC==-1 || ARGC>=1);
bind_func<ARGC>(std::forward<__T>(type), "__new__", fn);
return bind_func<ARGC>(std::forward<__T>(type), "__new__", fn);
}
template<typename T, typename __T>
void bind_default_constructor(__T&& type) {
bind_constructor<-1>(std::forward<__T>(type), [](VM* vm, ArgsView args){
PyObject* bind_default_constructor(__T&& type) {
return bind_constructor<-1>(std::forward<__T>(type), [](VM* vm, ArgsView args){
Type t = OBJ_GET(Type, args[0]);
return vm->heap.gcnew<T>(t, T());
});
}
template<int ARGC>
void bind_builtin_func(Str name, NativeFuncC fn) {
bind_func<ARGC>(builtins, name, fn);
PyObject* bind_builtin_func(Str name, NativeFuncC fn) {
return bind_func<ARGC>(builtins, name, fn);
}
int normalized_index(int index, int size){
@ -581,9 +587,9 @@ public:
PyObject* format(Str, PyObject*);
void setattr(PyObject* obj, StrName name, PyObject* value);
template<int ARGC>
void bind_method(PyObject*, Str, NativeFuncC);
PyObject* bind_method(PyObject*, Str, NativeFuncC);
template<int ARGC>
void bind_func(PyObject*, Str, NativeFuncC);
PyObject* bind_func(PyObject*, Str, NativeFuncC);
void _error(Exception);
PyObject* _run_top_frame();
void post_init();
@ -594,6 +600,9 @@ inline PyObject* NativeFunc::operator()(VM* vm, ArgsView args) const{
if(argc != -1 && args_size != argc) {
vm->TypeError(fmt("expected ", argc, " arguments, but got ", args_size));
}
#if DEBUG_EXTRA_CHECK
if(f == nullptr) FATAL_ERROR();
#endif
return f(vm, args);
}
@ -1351,20 +1360,24 @@ inline void VM::setattr(PyObject* obj, StrName name, PyObject* value){
}
template<int ARGC>
void VM::bind_method(PyObject* obj, Str name, NativeFuncC fn) {
PyObject* VM::bind_method(PyObject* obj, Str name, NativeFuncC fn) {
check_non_tagged_type(obj, tp_type);
if(obj->attr().contains(name)){
throw std::runtime_error(fmt("bind_method() failed: ", name.escape(), " already exists"));
}
obj->attr().set(name, VAR(NativeFunc(fn, ARGC, true)));
PyObject* nf = VAR(NativeFunc(fn, ARGC, true));
obj->attr().set(name, nf);
return nf;
}
template<int ARGC>
void VM::bind_func(PyObject* obj, Str name, NativeFuncC fn) {
PyObject* VM::bind_func(PyObject* obj, Str name, NativeFuncC fn) {
if(obj->attr().contains(name)){
throw std::runtime_error(fmt("bind_func() failed: ", name.escape(), " already exists"));
}
obj->attr().set(name, VAR(NativeFunc(fn, ARGC, false)));
PyObject* nf = VAR(NativeFunc(fn, ARGC, false));
obj->attr().set(name, nf);
return nf;
}
inline void VM::_error(Exception e){
@ -1411,22 +1424,24 @@ PyObject* PyArrayGetItem(VM* vm, PyObject* obj, PyObject* index){
return self[i];
}
inline void VM::bind__hash__(Type type, i64 (*f)(VM* vm, PyObject*)){
inline void VM::bind__hash__(Type type, i64 (*f)(VM*, PyObject*)){
PyObject* obj = _t(type);
_all_types[type].m__hash__ = f;
bind_method<0>(obj, "__hash__", [](VM* vm, ArgsView args){
i64 ret = vm->_inst_type_info(args[0])->m__hash__(vm, args[0]);
PyObject* nf = bind_method<0>(obj, "__hash__", [](VM* vm, ArgsView args){
i64 ret = lambda_get_fp<i64(*)(VM*, PyObject*)>(args)(vm, args[0]);
return VAR(ret);
});
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)(void)>(f);
}
inline void VM::bind__len__(Type type, i64 (*f)(VM* vm, PyObject*)){
inline void VM::bind__len__(Type type, i64 (*f)(VM*, PyObject*)){
PyObject* obj = _t(type);
_all_types[type].m__len__ = f;
bind_method<0>(obj, "__len__", [](VM* vm, ArgsView args){
i64 ret = vm->_inst_type_info(args[0])->m__len__(vm, args[0]);
PyObject* nf = bind_method<0>(obj, "__len__", [](VM* vm, ArgsView args){
i64 ret = lambda_get_fp<i64(*)(VM*, PyObject*)>(args)(vm, args[0]);
return VAR(ret);
});
OBJ_GET(NativeFunc, nf).userdata._fp = reinterpret_cast<void(*)(void)>(f);
}