diff options
Diffstat (limited to 'core/object/method_bind.h')
-rw-r--r-- | core/object/method_bind.h | 325 |
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 |