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-rw-r--r--core/object/method_bind.h325
1 files changed, 257 insertions, 68 deletions
diff --git a/core/object/method_bind.h b/core/object/method_bind.h
index 02b73fa273..2870195911 100644
--- a/core/object/method_bind.h
+++ b/core/object/method_bind.h
@@ -60,6 +60,7 @@ class MethodBind {
int default_argument_count = 0;
int argument_count = 0;
+ bool _static = false;
bool _const = false;
bool _returns = false;
@@ -69,6 +70,7 @@ protected:
Vector<StringName> arg_names;
#endif
void _set_const(bool p_const);
+ void _set_static(bool p_static);
void _set_returns(bool p_returns);
virtual Variant::Type _gen_argument_type(int p_arg) const = 0;
virtual PropertyInfo _gen_argument_type_info(int p_arg) const = 0;
@@ -116,7 +118,7 @@ public:
#endif
void set_hint_flags(uint32_t p_hint) { hint_flags = p_hint; }
- uint32_t get_hint_flags() const { return hint_flags | (is_const() ? METHOD_FLAG_CONST : 0) | (is_vararg() ? METHOD_FLAG_VARARG : 0); }
+ uint32_t get_hint_flags() const { return hint_flags | (is_const() ? METHOD_FLAG_CONST : 0) | (is_vararg() ? METHOD_FLAG_VARARG : 0) | (is_static() ? METHOD_FLAG_STATIC : 0); }
_FORCE_INLINE_ StringName get_instance_class() const { return instance_class; }
_FORCE_INLINE_ void set_instance_class(const StringName &p_class) { instance_class = p_class; }
@@ -129,6 +131,7 @@ public:
void set_name(const StringName &p_name);
_FORCE_INLINE_ int get_method_id() const { return method_id; }
_FORCE_INLINE_ bool is_const() const { return _const; }
+ _FORCE_INLINE_ bool is_static() const { return _static; }
_FORCE_INLINE_ bool has_return() const { return _returns; }
virtual bool is_vararg() const { return false; }
@@ -140,54 +143,60 @@ public:
virtual ~MethodBind();
};
-template <class T>
-class MethodBindVarArg : public MethodBind {
-public:
- typedef Variant (T::*NativeCall)(const Variant **, int, Callable::CallError &);
-
+// MethodBindVarArg base CRTP
+template <class Derived, class T, class R, bool should_returns>
+class MethodBindVarArgBase : public MethodBind {
protected:
- NativeCall call_method = nullptr;
- MethodInfo arguments;
+ R(T::*method)
+ (const Variant **, int, Callable::CallError &);
+ MethodInfo method_info;
public:
- virtual PropertyInfo _gen_argument_type_info(int p_arg) const {
+ virtual PropertyInfo _gen_argument_type_info(int p_arg) const override {
if (p_arg < 0) {
- return arguments.return_val;
- } else if (p_arg < arguments.arguments.size()) {
- return arguments.arguments[p_arg];
+ return _gen_return_type_info();
+ } else if (p_arg < method_info.arguments.size()) {
+ return method_info.arguments[p_arg];
} else {
return PropertyInfo(Variant::NIL, "arg_" + itos(p_arg), PROPERTY_HINT_NONE, String(), PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_NIL_IS_VARIANT);
}
}
- virtual Variant::Type _gen_argument_type(int p_arg) const {
+ virtual Variant::Type _gen_argument_type(int p_arg) const override {
return _gen_argument_type_info(p_arg).type;
}
#ifdef DEBUG_METHODS_ENABLED
- virtual GodotTypeInfo::Metadata get_argument_meta(int) const {
+ virtual GodotTypeInfo::Metadata get_argument_meta(int) const override {
return GodotTypeInfo::METADATA_NONE;
}
#endif
- virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
- T *instance = static_cast<T *>(p_object);
- return (instance->*call_method)(p_args, p_arg_count, r_error);
+ virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) override {
+ ERR_FAIL(); // Can't call.
}
- void set_method_info(const MethodInfo &p_info, bool p_return_nil_is_variant) {
- set_argument_count(p_info.arguments.size());
- Variant::Type *at = memnew_arr(Variant::Type, p_info.arguments.size() + 1);
- at[0] = p_info.return_val.type;
- if (p_info.arguments.size()) {
+ virtual bool is_const() const { return false; }
+
+ virtual bool is_vararg() const override { return true; }
+
+ MethodBindVarArgBase(
+ R (T::*p_method)(const Variant **, int, Callable::CallError &),
+ const MethodInfo &p_method_info,
+ bool p_return_nil_is_variant) :
+ method(p_method), method_info(p_method_info) {
+ set_argument_count(method_info.arguments.size());
+ Variant::Type *at = memnew_arr(Variant::Type, method_info.arguments.size() + 1);
+ at[0] = _gen_return_type_info().type;
+ if (method_info.arguments.size()) {
#ifdef DEBUG_METHODS_ENABLED
Vector<StringName> names;
- names.resize(p_info.arguments.size());
+ names.resize(method_info.arguments.size());
#endif
- for (int i = 0; i < p_info.arguments.size(); i++) {
- at[i + 1] = p_info.arguments[i].type;
+ for (int i = 0; i < method_info.arguments.size(); i++) {
+ at[i + 1] = method_info.arguments[i].type;
#ifdef DEBUG_METHODS_ENABLED
- names.write[i] = p_info.arguments[i].name;
+ names.write[i] = method_info.arguments[i].name;
#endif
}
@@ -196,31 +205,76 @@ public:
#endif
}
argument_types = at;
- arguments = p_info;
if (p_return_nil_is_variant) {
- arguments.return_val.usage |= PROPERTY_USAGE_NIL_IS_VARIANT;
+ method_info.return_val.usage |= PROPERTY_USAGE_NIL_IS_VARIANT;
}
+
+ _set_returns(should_returns);
}
- virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) {
- ERR_FAIL(); // Can't call.
+private:
+ PropertyInfo _gen_return_type_info() const {
+ return Derived::_gen_return_type_info_impl();
}
+};
- void set_method(NativeCall p_method) { call_method = p_method; }
- virtual bool is_const() const { return false; }
+// variadic, no return
+template <class T>
+class MethodBindVarArgT : public MethodBindVarArgBase<MethodBindVarArgT<T>, T, void, false> {
+ friend class MethodBindVarArgBase<MethodBindVarArgT<T>, T, void, false>;
+
+public:
+ virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) override {
+ (static_cast<T *>(p_object)->*MethodBindVarArgBase<MethodBindVarArgT<T>, T, void, false>::method)(p_args, p_arg_count, r_error);
+ return {};
+ }
- virtual bool is_vararg() const { return true; }
+ MethodBindVarArgT(
+ void (T::*p_method)(const Variant **, int, Callable::CallError &),
+ const MethodInfo &p_method_info,
+ bool p_return_nil_is_variant) :
+ MethodBindVarArgBase<MethodBindVarArgT<T>, T, void, false>(p_method, p_method_info, p_return_nil_is_variant) {
+ }
- MethodBindVarArg() {
- _set_returns(true);
+private:
+ static PropertyInfo _gen_return_type_info_impl() {
+ return {};
}
};
template <class T>
-MethodBind *create_vararg_method_bind(Variant (T::*p_method)(const Variant **, int, Callable::CallError &), const MethodInfo &p_info, bool p_return_nil_is_variant) {
- MethodBindVarArg<T> *a = memnew((MethodBindVarArg<T>));
- a->set_method(p_method);
- a->set_method_info(p_info, p_return_nil_is_variant);
+MethodBind *create_vararg_method_bind(void (T::*p_method)(const Variant **, int, Callable::CallError &), const MethodInfo &p_info, bool p_return_nil_is_variant) {
+ MethodBind *a = memnew((MethodBindVarArgT<T>)(p_method, p_info, p_return_nil_is_variant));
+ a->set_instance_class(T::get_class_static());
+ return a;
+}
+
+// variadic, return
+template <class T, class R>
+class MethodBindVarArgTR : public MethodBindVarArgBase<MethodBindVarArgTR<T, R>, T, R, true> {
+ friend class MethodBindVarArgBase<MethodBindVarArgTR<T, R>, T, R, true>;
+
+public:
+ virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) override {
+ return (static_cast<T *>(p_object)->*MethodBindVarArgBase<MethodBindVarArgTR<T, R>, T, R, true>::method)(p_args, p_arg_count, r_error);
+ }
+
+ MethodBindVarArgTR(
+ R (T::*p_method)(const Variant **, int, Callable::CallError &),
+ const MethodInfo &p_info,
+ bool p_return_nil_is_variant) :
+ MethodBindVarArgBase<MethodBindVarArgTR<T, R>, T, R, true>(p_method, p_info, p_return_nil_is_variant) {
+ }
+
+private:
+ static PropertyInfo _gen_return_type_info_impl() {
+ return GetTypeInfo<R>::get_class_info();
+ }
+};
+
+template <class T, class R>
+MethodBind *create_vararg_method_bind(R (T::*p_method)(const Variant **, int, Callable::CallError &), const MethodInfo &p_info, bool p_return_nil_is_variant) {
+ MethodBind *a = memnew((MethodBindVarArgTR<T, R>)(p_method, p_info, p_return_nil_is_variant));
a->set_instance_class(T::get_class_static());
return a;
}
@@ -249,7 +303,7 @@ protected:
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wlogical-op"
#endif
- virtual Variant::Type _gen_argument_type(int p_arg) const {
+ virtual Variant::Type _gen_argument_type(int p_arg) const override {
if (p_arg >= 0 && p_arg < (int)sizeof...(P)) {
return call_get_argument_type<P...>(p_arg);
} else {
@@ -260,7 +314,7 @@ protected:
#pragma GCC diagnostic pop
#endif
- virtual PropertyInfo _gen_argument_type_info(int p_arg) const {
+ virtual PropertyInfo _gen_argument_type_info(int p_arg) const override {
PropertyInfo pi;
call_get_argument_type_info<P...>(p_arg, pi);
return pi;
@@ -268,25 +322,25 @@ protected:
public:
#ifdef DEBUG_METHODS_ENABLED
- virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const {
+ virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const override {
return call_get_argument_metadata<P...>(p_arg);
}
#endif
- virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
+ virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) override {
#ifdef TYPED_METHOD_BIND
call_with_variant_args_dv(static_cast<T *>(p_object), method, p_args, p_arg_count, r_error, get_default_arguments());
#else
- call_with_variant_args_dv((MB_T *)(p_object), method, p_args, p_arg_count, r_error, get_default_arguments());
+ call_with_variant_args_dv(reinterpret_cast<MB_T *>(p_object), method, p_args, p_arg_count, r_error, get_default_arguments());
#endif
return Variant();
}
- virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) {
+ virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) override {
#ifdef TYPED_METHOD_BIND
call_with_ptr_args<T, P...>(static_cast<T *>(p_object), method, p_args);
#else
- call_with_ptr_args<MB_T, P...>((MB_T *)(p_object), method, p_args);
+ call_with_ptr_args<MB_T, P...>(reinterpret_cast<MB_T *>(p_object), method, p_args);
#endif
}
@@ -308,7 +362,7 @@ MethodBind *create_method_bind(void (T::*p_method)(P...)) {
return a;
}
-// no return, not const
+// no return, const
#ifdef TYPED_METHOD_BIND
template <class T, class... P>
@@ -324,7 +378,7 @@ protected:
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wlogical-op"
#endif
- virtual Variant::Type _gen_argument_type(int p_arg) const {
+ virtual Variant::Type _gen_argument_type(int p_arg) const override {
if (p_arg >= 0 && p_arg < (int)sizeof...(P)) {
return call_get_argument_type<P...>(p_arg);
} else {
@@ -335,7 +389,7 @@ protected:
#pragma GCC diagnostic pop
#endif
- virtual PropertyInfo _gen_argument_type_info(int p_arg) const {
+ virtual PropertyInfo _gen_argument_type_info(int p_arg) const override {
PropertyInfo pi;
call_get_argument_type_info<P...>(p_arg, pi);
return pi;
@@ -343,25 +397,25 @@ protected:
public:
#ifdef DEBUG_METHODS_ENABLED
- virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const {
+ virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const override {
return call_get_argument_metadata<P...>(p_arg);
}
#endif
- virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
+ virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) override {
#ifdef TYPED_METHOD_BIND
call_with_variant_argsc_dv(static_cast<T *>(p_object), method, p_args, p_arg_count, r_error, get_default_arguments());
#else
- call_with_variant_argsc_dv((MB_T *)(p_object), method, p_args, p_arg_count, r_error, get_default_arguments());
+ call_with_variant_argsc_dv(reinterpret_cast<MB_T *>(p_object), method, p_args, p_arg_count, r_error, get_default_arguments());
#endif
return Variant();
}
- virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) {
+ virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) override {
#ifdef TYPED_METHOD_BIND
call_with_ptr_argsc<T, P...>(static_cast<T *>(p_object), method, p_args);
#else
- call_with_ptr_argsc<MB_T, P...>((MB_T *)(p_object), method, p_args);
+ call_with_ptr_argsc<MB_T, P...>(reinterpret_cast<MB_T *>(p_object), method, p_args);
#endif
}
@@ -401,7 +455,7 @@ protected:
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wlogical-op"
#endif
- virtual Variant::Type _gen_argument_type(int p_arg) const {
+ virtual Variant::Type _gen_argument_type(int p_arg) const override {
if (p_arg >= 0 && p_arg < (int)sizeof...(P)) {
return call_get_argument_type<P...>(p_arg);
} else {
@@ -409,7 +463,7 @@ protected:
}
}
- virtual PropertyInfo _gen_argument_type_info(int p_arg) const {
+ virtual PropertyInfo _gen_argument_type_info(int p_arg) const override {
if (p_arg >= 0 && p_arg < (int)sizeof...(P)) {
PropertyInfo pi;
call_get_argument_type_info<P...>(p_arg, pi);
@@ -424,7 +478,7 @@ protected:
public:
#ifdef DEBUG_METHODS_ENABLED
- virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const {
+ virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const override {
if (p_arg >= 0) {
return call_get_argument_metadata<P...>(p_arg);
} else {
@@ -433,21 +487,21 @@ public:
}
#endif
- virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
+ virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) override {
Variant ret;
#ifdef TYPED_METHOD_BIND
call_with_variant_args_ret_dv(static_cast<T *>(p_object), method, p_args, p_arg_count, ret, r_error, get_default_arguments());
#else
- call_with_variant_args_ret_dv((MB_T *)p_object, method, p_args, p_arg_count, ret, r_error, get_default_arguments());
+ call_with_variant_args_ret_dv(reinterpret_cast<MB_T *>(p_object), method, p_args, p_arg_count, ret, r_error, get_default_arguments());
#endif
return ret;
}
- virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) {
+ virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) override {
#ifdef TYPED_METHOD_BIND
call_with_ptr_args_ret<T, R, P...>(static_cast<T *>(p_object), method, p_args, r_ret);
#else
- call_with_ptr_args_ret<MB_T, R, P...>((MB_T *)(p_object), method, p_args, r_ret);
+ call_with_ptr_args_ret<MB_T, R, P...>(reinterpret_cast<MB_T *>(p_object), method, p_args, r_ret);
#endif
}
@@ -488,7 +542,7 @@ protected:
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wlogical-op"
#endif
- virtual Variant::Type _gen_argument_type(int p_arg) const {
+ virtual Variant::Type _gen_argument_type(int p_arg) const override {
if (p_arg >= 0 && p_arg < (int)sizeof...(P)) {
return call_get_argument_type<P...>(p_arg);
} else {
@@ -496,7 +550,7 @@ protected:
}
}
- virtual PropertyInfo _gen_argument_type_info(int p_arg) const {
+ virtual PropertyInfo _gen_argument_type_info(int p_arg) const override {
if (p_arg >= 0 && p_arg < (int)sizeof...(P)) {
PropertyInfo pi;
call_get_argument_type_info<P...>(p_arg, pi);
@@ -511,7 +565,7 @@ protected:
public:
#ifdef DEBUG_METHODS_ENABLED
- virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const {
+ virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const override {
if (p_arg >= 0) {
return call_get_argument_metadata<P...>(p_arg);
} else {
@@ -520,21 +574,21 @@ public:
}
#endif
- virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
+ virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) override {
Variant ret;
#ifdef TYPED_METHOD_BIND
call_with_variant_args_retc_dv(static_cast<T *>(p_object), method, p_args, p_arg_count, ret, r_error, get_default_arguments());
#else
- call_with_variant_args_retc_dv((MB_T *)(p_object), method, p_args, p_arg_count, ret, r_error, get_default_arguments());
+ call_with_variant_args_retc_dv(reinterpret_cast<MB_T *>(p_object), method, p_args, p_arg_count, ret, r_error, get_default_arguments());
#endif
return ret;
}
- virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) {
+ virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) override {
#ifdef TYPED_METHOD_BIND
call_with_ptr_args_retc<T, R, P...>(static_cast<T *>(p_object), method, p_args, r_ret);
#else
- call_with_ptr_args_retc<MB_T, R, P...>((MB_T *)(p_object), method, p_args, r_ret);
+ call_with_ptr_args_retc<MB_T, R, P...>(reinterpret_cast<MB_T *>(p_object), method, p_args, r_ret);
#endif
}
@@ -558,4 +612,139 @@ MethodBind *create_method_bind(R (T::*p_method)(P...) const) {
return a;
}
+/* STATIC BINDS */
+
+// no return
+
+template <class... P>
+class MethodBindTS : public MethodBind {
+ void (*function)(P...);
+
+protected:
+// GCC raises warnings in the case P = {} as the comparison is always false...
+#if defined(__GNUC__) && !defined(__clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wlogical-op"
+#endif
+ virtual Variant::Type _gen_argument_type(int p_arg) const override {
+ if (p_arg >= 0 && p_arg < (int)sizeof...(P)) {
+ return call_get_argument_type<P...>(p_arg);
+ } else {
+ return Variant::NIL;
+ }
+ }
+#if defined(__GNUC__) && !defined(__clang__)
+#pragma GCC diagnostic pop
+#endif
+
+ virtual PropertyInfo _gen_argument_type_info(int p_arg) const override {
+ PropertyInfo pi;
+ call_get_argument_type_info<P...>(p_arg, pi);
+ return pi;
+ }
+
+public:
+#ifdef DEBUG_METHODS_ENABLED
+ virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const override {
+ return call_get_argument_metadata<P...>(p_arg);
+ }
+
+#endif
+ virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) override {
+ (void)p_object; // unused
+ call_with_variant_args_static_dv(function, p_args, p_arg_count, r_error, get_default_arguments());
+ return Variant();
+ }
+
+ virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) override {
+ (void)p_object;
+ (void)r_ret;
+ call_with_ptr_args_static_method(function, p_args);
+ }
+
+ MethodBindTS(void (*p_function)(P...)) {
+ function = p_function;
+ _generate_argument_types(sizeof...(P));
+ set_argument_count(sizeof...(P));
+ _set_static(true);
+ }
+};
+
+template <class... P>
+MethodBind *create_static_method_bind(void (*p_method)(P...)) {
+ MethodBind *a = memnew((MethodBindTS<P...>)(p_method));
+ return a;
+}
+
+// return
+
+template <class R, class... P>
+class MethodBindTRS : public MethodBind {
+ R(*function)
+ (P...);
+
+protected:
+// GCC raises warnings in the case P = {} as the comparison is always false...
+#if defined(__GNUC__) && !defined(__clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wlogical-op"
+#endif
+ virtual Variant::Type _gen_argument_type(int p_arg) const override {
+ if (p_arg >= 0 && p_arg < (int)sizeof...(P)) {
+ return call_get_argument_type<P...>(p_arg);
+ } else {
+ return GetTypeInfo<R>::VARIANT_TYPE;
+ }
+ }
+#if defined(__GNUC__) && !defined(__clang__)
+#pragma GCC diagnostic pop
+#endif
+
+ virtual PropertyInfo _gen_argument_type_info(int p_arg) const override {
+ if (p_arg >= 0 && p_arg < (int)sizeof...(P)) {
+ PropertyInfo pi;
+ call_get_argument_type_info<P...>(p_arg, pi);
+ return pi;
+ } else {
+ return GetTypeInfo<R>::get_class_info();
+ }
+ }
+
+public:
+#ifdef DEBUG_METHODS_ENABLED
+ virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const override {
+ if (p_arg >= 0) {
+ return call_get_argument_metadata<P...>(p_arg);
+ } else {
+ return GetTypeInfo<R>::METADATA;
+ }
+ }
+
+#endif
+ virtual Variant call(Object *p_object, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) override {
+ Variant ret;
+ call_with_variant_args_static_ret_dv(function, p_args, p_arg_count, ret, r_error, get_default_arguments());
+ return ret;
+ }
+
+ virtual void ptrcall(Object *p_object, const void **p_args, void *r_ret) override {
+ (void)p_object;
+ call_with_ptr_args_static_method_ret(function, p_args, r_ret);
+ }
+
+ MethodBindTRS(R (*p_function)(P...)) {
+ function = p_function;
+ _generate_argument_types(sizeof...(P));
+ set_argument_count(sizeof...(P));
+ _set_static(true);
+ _set_returns(true);
+ }
+};
+
+template <class R, class... P>
+MethodBind *create_static_method_bind(R (*p_method)(P...)) {
+ MethodBind *a = memnew((MethodBindTRS<R, P...>)(p_method));
+ return a;
+}
+
#endif // METHOD_BIND_H