/*************************************************************************/ /* binder_common.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #ifndef BINDER_COMMON_H #define BINDER_COMMON_H #include "core/input/input_enums.h" #include "core/object/object.h" #include "core/os/keyboard.h" #include "core/templates/list.h" #include "core/templates/simple_type.h" #include "core/typedefs.h" #include "core/variant/method_ptrcall.h" #include "core/variant/type_info.h" #include "core/variant/variant.h" #include "core/variant/variant_internal.h" #include <stdio.h> template <class T> struct VariantCaster { static _FORCE_INLINE_ T cast(const Variant &p_variant) { return p_variant; } }; template <class T> struct VariantCaster<T &> { static _FORCE_INLINE_ T cast(const Variant &p_variant) { return p_variant; } }; template <class T> struct VariantCaster<const T &> { static _FORCE_INLINE_ T cast(const Variant &p_variant) { return p_variant; } }; #define VARIANT_ENUM_CAST(m_enum) \ MAKE_ENUM_TYPE_INFO(m_enum) \ template <> \ struct VariantCaster<m_enum> { \ static _FORCE_INLINE_ m_enum cast(const Variant &p_variant) { \ return (m_enum)p_variant.operator int64_t(); \ } \ }; \ template <> \ struct PtrToArg<m_enum> { \ _FORCE_INLINE_ static m_enum convert(const void *p_ptr) { \ return m_enum(*reinterpret_cast<const int64_t *>(p_ptr)); \ } \ typedef int64_t EncodeT; \ _FORCE_INLINE_ static void encode(m_enum p_val, const void *p_ptr) { \ *(int64_t *)p_ptr = p_val; \ } \ }; // Object enum casts must go here VARIANT_ENUM_CAST(Object::ConnectFlags); VARIANT_ENUM_CAST(Vector3::Axis); VARIANT_ENUM_CAST(Error); VARIANT_ENUM_CAST(Side); VARIANT_ENUM_CAST(ClockDirection); VARIANT_ENUM_CAST(Corner); VARIANT_ENUM_CAST(HatDir); VARIANT_ENUM_CAST(HatMask); VARIANT_ENUM_CAST(JoyAxis); VARIANT_ENUM_CAST(JoyButton); VARIANT_ENUM_CAST(Key); VARIANT_ENUM_CAST(KeyModifierMask); VARIANT_ENUM_CAST(MIDIMessage); VARIANT_ENUM_CAST(MouseButton); VARIANT_ENUM_CAST(Orientation); VARIANT_ENUM_CAST(HAlign); VARIANT_ENUM_CAST(VAlign); VARIANT_ENUM_CAST(InlineAlign); VARIANT_ENUM_CAST(PropertyHint); VARIANT_ENUM_CAST(PropertyUsageFlags); VARIANT_ENUM_CAST(Variant::Type); VARIANT_ENUM_CAST(Variant::Operator); template <> struct VariantCaster<char32_t> { static _FORCE_INLINE_ char32_t cast(const Variant &p_variant) { return (char32_t)p_variant.operator int(); } }; template <> struct PtrToArg<char32_t> { _FORCE_INLINE_ static char32_t convert(const void *p_ptr) { return char32_t(*reinterpret_cast<const int *>(p_ptr)); } typedef int64_t EncodeT; _FORCE_INLINE_ static void encode(char32_t p_val, const void *p_ptr) { *(int *)p_ptr = p_val; } }; template <typename T> struct VariantObjectClassChecker { static _FORCE_INLINE_ bool check(const Variant &p_variant) { return true; } }; template <typename T> class Ref; template <typename T> struct VariantObjectClassChecker<const Ref<T> &> { static _FORCE_INLINE_ bool check(const Variant &p_variant) { Object *obj = p_variant; const Ref<T> node = p_variant; return node.ptr() || !obj; } }; template <> struct VariantObjectClassChecker<Node *> { static _FORCE_INLINE_ bool check(const Variant &p_variant) { Object *obj = p_variant; Node *node = p_variant; return node || !obj; } }; template <> struct VariantObjectClassChecker<Control *> { static _FORCE_INLINE_ bool check(const Variant &p_variant) { Object *obj = p_variant; Control *control = p_variant; return control || !obj; } }; #ifdef DEBUG_METHODS_ENABLED template <class T> struct VariantCasterAndValidate { static _FORCE_INLINE_ T cast(const Variant **p_args, uint32_t p_arg_idx, Callable::CallError &r_error) { Variant::Type argtype = GetTypeInfo<T>::VARIANT_TYPE; if (!Variant::can_convert_strict(p_args[p_arg_idx]->get_type(), argtype) || !VariantObjectClassChecker<T>::check(p_args[p_arg_idx])) { r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument = p_arg_idx; r_error.expected = argtype; } return VariantCaster<T>::cast(*p_args[p_arg_idx]); } }; template <class T> struct VariantCasterAndValidate<T &> { static _FORCE_INLINE_ T cast(const Variant **p_args, uint32_t p_arg_idx, Callable::CallError &r_error) { Variant::Type argtype = GetTypeInfo<T>::VARIANT_TYPE; if (!Variant::can_convert_strict(p_args[p_arg_idx]->get_type(), argtype) || !VariantObjectClassChecker<T>::check(p_args[p_arg_idx])) { r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument = p_arg_idx; r_error.expected = argtype; } return VariantCaster<T>::cast(*p_args[p_arg_idx]); } }; template <class T> struct VariantCasterAndValidate<const T &> { static _FORCE_INLINE_ T cast(const Variant **p_args, uint32_t p_arg_idx, Callable::CallError &r_error) { Variant::Type argtype = GetTypeInfo<T>::VARIANT_TYPE; if (!Variant::can_convert_strict(p_args[p_arg_idx]->get_type(), argtype) || !VariantObjectClassChecker<T>::check(p_args[p_arg_idx])) { r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT; r_error.argument = p_arg_idx; r_error.expected = argtype; } return VariantCaster<T>::cast(*p_args[p_arg_idx]); } }; #endif // DEBUG_METHODS_ENABLED template <class T, class... P, size_t... Is> void call_with_variant_args_helper(T *p_instance, void (T::*p_method)(P...), const Variant **p_args, Callable::CallError &r_error, IndexSequence<Is...>) { r_error.error = Callable::CallError::CALL_OK; #ifdef DEBUG_METHODS_ENABLED (p_instance->*p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...); #else (p_instance->*p_method)(VariantCaster<P>::cast(*p_args[Is])...); #endif (void)(p_args); //avoid warning } template <class T, class... P, size_t... Is> void call_with_variant_argsc_helper(T *p_instance, void (T::*p_method)(P...) const, const Variant **p_args, Callable::CallError &r_error, IndexSequence<Is...>) { r_error.error = Callable::CallError::CALL_OK; #ifdef DEBUG_METHODS_ENABLED (p_instance->*p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...); #else (p_instance->*p_method)(VariantCaster<P>::cast(*p_args[Is])...); #endif (void)(p_args); //avoid warning } template <class T, class... P, size_t... Is> void call_with_ptr_args_helper(T *p_instance, void (T::*p_method)(P...), const void **p_args, IndexSequence<Is...>) { (p_instance->*p_method)(PtrToArg<P>::convert(p_args[Is])...); } template <class T, class... P, size_t... Is> void call_with_ptr_argsc_helper(T *p_instance, void (T::*p_method)(P...) const, const void **p_args, IndexSequence<Is...>) { (p_instance->*p_method)(PtrToArg<P>::convert(p_args[Is])...); } template <class T, class R, class... P, size_t... Is> void call_with_ptr_args_ret_helper(T *p_instance, R (T::*p_method)(P...), const void **p_args, void *r_ret, IndexSequence<Is...>) { PtrToArg<R>::encode((p_instance->*p_method)(PtrToArg<P>::convert(p_args[Is])...), r_ret); } template <class T, class R, class... P, size_t... Is> void call_with_ptr_args_retc_helper(T *p_instance, R (T::*p_method)(P...) const, const void **p_args, void *r_ret, IndexSequence<Is...>) { PtrToArg<R>::encode((p_instance->*p_method)(PtrToArg<P>::convert(p_args[Is])...), r_ret); } template <class T, class... P, size_t... Is> void call_with_ptr_args_static_helper(T *p_instance, void (*p_method)(T *, P...), const void **p_args, IndexSequence<Is...>) { p_method(p_instance, PtrToArg<P>::convert(p_args[Is])...); } template <class T, class R, class... P, size_t... Is> void call_with_ptr_args_static_retc_helper(T *p_instance, R (*p_method)(T *, P...), const void **p_args, void *r_ret, IndexSequence<Is...>) { PtrToArg<R>::encode(p_method(p_instance, PtrToArg<P>::convert(p_args[Is])...), r_ret); } template <class R, class... P, size_t... Is> void call_with_ptr_args_static_method_ret_helper(R (*p_method)(P...), const void **p_args, void *r_ret, IndexSequence<Is...>) { PtrToArg<R>::encode(p_method(PtrToArg<P>::convert(p_args[Is])...), r_ret); } template <class... P, size_t... Is> void call_with_ptr_args_static_method_helper(void (*p_method)(P...), const void **p_args, IndexSequence<Is...>) { p_method(PtrToArg<P>::convert(p_args[Is])...); } template <class T, class... P, size_t... Is> void call_with_validated_variant_args_helper(T *p_instance, void (T::*p_method)(P...), const Variant **p_args, IndexSequence<Is...>) { (p_instance->*p_method)((VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...); } template <class T, class... P, size_t... Is> void call_with_validated_variant_argsc_helper(T *p_instance, void (T::*p_method)(P...) const, const Variant **p_args, IndexSequence<Is...>) { (p_instance->*p_method)((VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...); } template <class T, class R, class... P, size_t... Is> void call_with_validated_variant_args_ret_helper(T *p_instance, R (T::*p_method)(P...), const Variant **p_args, Variant *r_ret, IndexSequence<Is...>) { VariantInternalAccessor<typename GetSimpleTypeT<R>::type_t>::set(r_ret, (p_instance->*p_method)((VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...)); } template <class T, class R, class... P, size_t... Is> void call_with_validated_variant_args_retc_helper(T *p_instance, R (T::*p_method)(P...) const, const Variant **p_args, Variant *r_ret, IndexSequence<Is...>) { VariantInternalAccessor<typename GetSimpleTypeT<R>::type_t>::set(r_ret, (p_instance->*p_method)((VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...)); } template <class T, class R, class... P, size_t... Is> void call_with_validated_variant_args_static_retc_helper(T *p_instance, R (*p_method)(T *, P...), const Variant **p_args, Variant *r_ret, IndexSequence<Is...>) { VariantInternalAccessor<typename GetSimpleTypeT<R>::type_t>::set(r_ret, p_method(p_instance, (VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...)); } template <class T, class... P, size_t... Is> void call_with_validated_variant_args_static_helper(T *p_instance, void (*p_method)(T *, P...), const Variant **p_args, IndexSequence<Is...>) { p_method(p_instance, (VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...); } template <class R, class... P, size_t... Is> void call_with_validated_variant_args_static_method_ret_helper(R (*p_method)(P...), const Variant **p_args, Variant *r_ret, IndexSequence<Is...>) { VariantInternalAccessor<typename GetSimpleTypeT<R>::type_t>::set(r_ret, p_method((VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...)); } template <class... P, size_t... Is> void call_with_validated_variant_args_static_method_helper(void (*p_method)(P...), const Variant **p_args, IndexSequence<Is...>) { p_method((VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...); } template <class T, class... P> void call_with_variant_args(T *p_instance, void (T::*p_method)(P...), const Variant **p_args, int p_argcount, Callable::CallError &r_error) { #ifdef DEBUG_METHODS_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } if ((size_t)p_argcount < sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif call_with_variant_args_helper<T, P...>(p_instance, p_method, p_args, r_error, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class... P> void call_with_variant_args_dv(T *p_instance, void (T::*p_method)(P...), const Variant **p_args, int p_argcount, Callable::CallError &r_error, const Vector<Variant> &default_values) { #ifdef DEBUG_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount; int32_t dvs = default_values.size(); #ifdef DEBUG_ENABLED if (missing > dvs) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif const Variant *args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; //avoid zero sized array for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) { if (i < p_argcount) { args[i] = p_args[i]; } else { args[i] = &default_values[i - p_argcount + (dvs - missing)]; } } call_with_variant_args_helper(p_instance, p_method, args, r_error, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class... P> void call_with_variant_argsc(T *p_instance, void (T::*p_method)(P...) const, const Variant **p_args, int p_argcount, Callable::CallError &r_error) { #ifdef DEBUG_METHODS_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } if ((size_t)p_argcount < sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif call_with_variant_args_helper<T, P...>(p_instance, p_method, p_args, r_error, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class... P> void call_with_variant_argsc_dv(T *p_instance, void (T::*p_method)(P...) const, const Variant **p_args, int p_argcount, Callable::CallError &r_error, const Vector<Variant> &default_values) { #ifdef DEBUG_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount; int32_t dvs = default_values.size(); #ifdef DEBUG_ENABLED if (missing > dvs) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif const Variant *args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; //avoid zero sized array for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) { if (i < p_argcount) { args[i] = p_args[i]; } else { args[i] = &default_values[i - p_argcount + (dvs - missing)]; } } call_with_variant_argsc_helper(p_instance, p_method, args, r_error, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class R, class... P> void call_with_variant_args_ret_dv(T *p_instance, R (T::*p_method)(P...), const Variant **p_args, int p_argcount, Variant &r_ret, Callable::CallError &r_error, const Vector<Variant> &default_values) { #ifdef DEBUG_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount; int32_t dvs = default_values.size(); #ifdef DEBUG_ENABLED if (missing > dvs) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif const Variant *args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; //avoid zero sized array for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) { if (i < p_argcount) { args[i] = p_args[i]; } else { args[i] = &default_values[i - p_argcount + (dvs - missing)]; } } call_with_variant_args_ret_helper(p_instance, p_method, args, r_ret, r_error, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class R, class... P> void call_with_variant_args_retc_dv(T *p_instance, R (T::*p_method)(P...) const, const Variant **p_args, int p_argcount, Variant &r_ret, Callable::CallError &r_error, const Vector<Variant> &default_values) { #ifdef DEBUG_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount; int32_t dvs = default_values.size(); #ifdef DEBUG_ENABLED if (missing > dvs) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif const Variant *args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; //avoid zero sized array for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) { if (i < p_argcount) { args[i] = p_args[i]; } else { args[i] = &default_values[i - p_argcount + (dvs - missing)]; } } call_with_variant_args_retc_helper(p_instance, p_method, args, r_ret, r_error, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class... P> void call_with_ptr_args(T *p_instance, void (T::*p_method)(P...), const void **p_args) { call_with_ptr_args_helper<T, P...>(p_instance, p_method, p_args, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class... P> void call_with_ptr_argsc(T *p_instance, void (T::*p_method)(P...) const, const void **p_args) { call_with_ptr_argsc_helper<T, P...>(p_instance, p_method, p_args, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class R, class... P> void call_with_ptr_args_ret(T *p_instance, R (T::*p_method)(P...), const void **p_args, void *r_ret) { call_with_ptr_args_ret_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class R, class... P> void call_with_ptr_args_retc(T *p_instance, R (T::*p_method)(P...) const, const void **p_args, void *r_ret) { call_with_ptr_args_retc_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class... P> void call_with_ptr_args_static(T *p_instance, void (*p_method)(T *, P...), const void **p_args) { call_with_ptr_args_static_helper<T, P...>(p_instance, p_method, p_args, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class R, class... P> void call_with_ptr_args_static_retc(T *p_instance, R (*p_method)(T *, P...), const void **p_args, void *r_ret) { call_with_ptr_args_static_retc_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{}); } template <class R, class... P> void call_with_ptr_args_static_method_ret(R (*p_method)(P...), const void **p_args, void *r_ret) { call_with_ptr_args_static_method_ret_helper<R, P...>(p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{}); } template <class... P> void call_with_ptr_args_static_method(void (*p_method)(P...), const void **p_args) { call_with_ptr_args_static_method_helper<P...>(p_method, p_args, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class... P> void call_with_validated_variant_args(Variant *base, void (T::*p_method)(P...), const Variant **p_args) { call_with_validated_variant_args_helper<T, P...>(VariantGetInternalPtr<T>::get_ptr(base), p_method, p_args, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class R, class... P> void call_with_validated_variant_args_ret(Variant *base, R (T::*p_method)(P...), const Variant **p_args, Variant *r_ret) { call_with_validated_variant_args_ret_helper<T, R, P...>(VariantGetInternalPtr<T>::get_ptr(base), p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class R, class... P> void call_with_validated_variant_args_retc(Variant *base, R (T::*p_method)(P...) const, const Variant **p_args, Variant *r_ret) { call_with_validated_variant_args_retc_helper<T, R, P...>(VariantGetInternalPtr<T>::get_ptr(base), p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class... P> void call_with_validated_variant_args_static(Variant *base, void (*p_method)(T *, P...), const Variant **p_args) { call_with_validated_variant_args_static_helper<T, P...>(VariantGetInternalPtr<T>::get_ptr(base), p_method, p_args, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class R, class... P> void call_with_validated_variant_args_static_retc(Variant *base, R (*p_method)(T *, P...), const Variant **p_args, Variant *r_ret) { call_with_validated_variant_args_static_retc_helper<T, R, P...>(VariantGetInternalPtr<T>::get_ptr(base), p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{}); } template <class... P> void call_with_validated_variant_args_static_method(void (*p_method)(P...), const Variant **p_args) { call_with_validated_variant_args_static_method_helper<P...>(p_method, p_args, BuildIndexSequence<sizeof...(P)>{}); } template <class R, class... P> void call_with_validated_variant_args_static_method_ret(R (*p_method)(P...), const Variant **p_args, Variant *r_ret) { call_with_validated_variant_args_static_method_ret_helper<R, P...>(p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{}); } // GCC raises "parameter 'p_args' set but not used" when P = {}, // it's not clever enough to treat other P values as making this branch valid. #if defined(DEBUG_METHODS_ENABLED) && defined(__GNUC__) && !defined(__clang__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wunused-but-set-parameter" #endif #ifdef DEBUG_METHODS_ENABLED template <class Q> void call_get_argument_type_helper(int p_arg, int &index, Variant::Type &type) { if (p_arg == index) { type = GetTypeInfo<Q>::VARIANT_TYPE; } index++; } template <class... P> Variant::Type call_get_argument_type(int p_arg) { Variant::Type type = Variant::NIL; int index = 0; // I think rocket science is simpler than modern C++. using expand_type = int[]; expand_type a{ 0, (call_get_argument_type_helper<P>(p_arg, index, type), 0)... }; (void)a; // Suppress (valid, but unavoidable) -Wunused-variable warning. (void)index; // Suppress GCC warning. return type; } template <class Q> void call_get_argument_type_info_helper(int p_arg, int &index, PropertyInfo &info) { if (p_arg == index) { info = GetTypeInfo<Q>::get_class_info(); } index++; } template <class... P> void call_get_argument_type_info(int p_arg, PropertyInfo &info) { int index = 0; // I think rocket science is simpler than modern C++. using expand_type = int[]; expand_type a{ 0, (call_get_argument_type_info_helper<P>(p_arg, index, info), 0)... }; (void)a; // Suppress (valid, but unavoidable) -Wunused-variable warning. (void)index; // Suppress GCC warning. } template <class Q> void call_get_argument_metadata_helper(int p_arg, int &index, GodotTypeInfo::Metadata &md) { if (p_arg == index) { md = GetTypeInfo<Q>::METADATA; } index++; } template <class... P> GodotTypeInfo::Metadata call_get_argument_metadata(int p_arg) { GodotTypeInfo::Metadata md = GodotTypeInfo::METADATA_NONE; int index = 0; // I think rocket science is simpler than modern C++. using expand_type = int[]; expand_type a{ 0, (call_get_argument_metadata_helper<P>(p_arg, index, md), 0)... }; (void)a; // Suppress (valid, but unavoidable) -Wunused-variable warning. (void)index; return md; } #else template <class... P> Variant::Type call_get_argument_type(int p_arg) { return Variant::NIL; } #endif // DEBUG_METHODS_ENABLED ////////////////////// template <class T, class R, class... P, size_t... Is> void call_with_variant_args_ret_helper(T *p_instance, R (T::*p_method)(P...), const Variant **p_args, Variant &r_ret, Callable::CallError &r_error, IndexSequence<Is...>) { r_error.error = Callable::CallError::CALL_OK; #ifdef DEBUG_METHODS_ENABLED r_ret = (p_instance->*p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...); #else r_ret = (p_instance->*p_method)(VariantCaster<P>::cast(*p_args[Is])...); #endif } template <class R, class... P, size_t... Is> void call_with_variant_args_static_ret(R (*p_method)(P...), const Variant **p_args, Variant &r_ret, Callable::CallError &r_error, IndexSequence<Is...>) { r_error.error = Callable::CallError::CALL_OK; #ifdef DEBUG_METHODS_ENABLED r_ret = (p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...); #else r_ret = (p_method)(VariantCaster<P>::cast(*p_args[Is])...); #endif } template <class... P, size_t... Is> void call_with_variant_args_static(void (*p_method)(P...), const Variant **p_args, Callable::CallError &r_error, IndexSequence<Is...>) { r_error.error = Callable::CallError::CALL_OK; #ifdef DEBUG_METHODS_ENABLED (p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...); #else (p_method)(VariantCaster<P>::cast(*p_args[Is])...); #endif } template <class T, class R, class... P> void call_with_variant_args_ret(T *p_instance, R (T::*p_method)(P...), const Variant **p_args, int p_argcount, Variant &r_ret, Callable::CallError &r_error) { #ifdef DEBUG_METHODS_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } if ((size_t)p_argcount < sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif call_with_variant_args_ret_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, r_error, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class R, class... P, size_t... Is> void call_with_variant_args_retc_helper(T *p_instance, R (T::*p_method)(P...) const, const Variant **p_args, Variant &r_ret, Callable::CallError &r_error, IndexSequence<Is...>) { r_error.error = Callable::CallError::CALL_OK; #ifdef DEBUG_METHODS_ENABLED r_ret = (p_instance->*p_method)(VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...); #else r_ret = (p_instance->*p_method)(VariantCaster<P>::cast(*p_args[Is])...); #endif (void)p_args; } template <class R, class... P> void call_with_variant_args_static_ret(R (*p_method)(P...), const Variant **p_args, int p_argcount, Variant &r_ret, Callable::CallError &r_error) { #ifdef DEBUG_METHODS_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } if ((size_t)p_argcount < sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif call_with_variant_args_static_ret<R, P...>(p_method, p_args, r_ret, r_error, BuildIndexSequence<sizeof...(P)>{}); } template <class... P> void call_with_variant_args_static_ret(void (*p_method)(P...), const Variant **p_args, int p_argcount, Variant &r_ret, Callable::CallError &r_error) { #ifdef DEBUG_METHODS_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } if ((size_t)p_argcount < sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif call_with_variant_args_static<P...>(p_method, p_args, r_error, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class R, class... P> void call_with_variant_args_retc(T *p_instance, R (T::*p_method)(P...) const, const Variant **p_args, int p_argcount, Variant &r_ret, Callable::CallError &r_error) { #ifdef DEBUG_METHODS_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } if ((size_t)p_argcount < sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif call_with_variant_args_retc_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, r_error, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class R, class... P, size_t... Is> void call_with_variant_args_retc_static_helper(T *p_instance, R (*p_method)(T *, P...), const Variant **p_args, Variant &r_ret, Callable::CallError &r_error, IndexSequence<Is...>) { r_error.error = Callable::CallError::CALL_OK; #ifdef DEBUG_METHODS_ENABLED r_ret = (p_method)(p_instance, VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...); #else r_ret = (p_method)(p_instance, VariantCaster<P>::cast(*p_args[Is])...); #endif (void)p_args; } template <class T, class R, class... P> void call_with_variant_args_retc_static_helper_dv(T *p_instance, R (*p_method)(T *, P...), const Variant **p_args, int p_argcount, Variant &r_ret, const Vector<Variant> &default_values, Callable::CallError &r_error) { #ifdef DEBUG_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount; int32_t dvs = default_values.size(); #ifdef DEBUG_ENABLED if (missing > dvs) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif const Variant *args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; //avoid zero sized array for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) { if (i < p_argcount) { args[i] = p_args[i]; } else { args[i] = &default_values[i - p_argcount + (dvs - missing)]; } } call_with_variant_args_retc_static_helper(p_instance, p_method, args, r_ret, r_error, BuildIndexSequence<sizeof...(P)>{}); } template <class T, class... P, size_t... Is> void call_with_variant_args_static_helper(T *p_instance, void (*p_method)(T *, P...), const Variant **p_args, Callable::CallError &r_error, IndexSequence<Is...>) { r_error.error = Callable::CallError::CALL_OK; #ifdef DEBUG_METHODS_ENABLED (p_method)(p_instance, VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...); #else (p_method)(p_instance, VariantCaster<P>::cast(*p_args[Is])...); #endif (void)p_args; } template <class T, class... P> void call_with_variant_args_static_helper_dv(T *p_instance, void (*p_method)(T *, P...), const Variant **p_args, int p_argcount, const Vector<Variant> &default_values, Callable::CallError &r_error) { #ifdef DEBUG_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount; int32_t dvs = default_values.size(); #ifdef DEBUG_ENABLED if (missing > dvs) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif const Variant *args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; //avoid zero sized array for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) { if (i < p_argcount) { args[i] = p_args[i]; } else { args[i] = &default_values[i - p_argcount + (dvs - missing)]; } } call_with_variant_args_static_helper(p_instance, p_method, args, r_error, BuildIndexSequence<sizeof...(P)>{}); } template <class R, class... P> void call_with_variant_args_static_ret_dv(R (*p_method)(P...), const Variant **p_args, int p_argcount, Variant &r_ret, Callable::CallError &r_error, const Vector<Variant> &default_values) { #ifdef DEBUG_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount; int32_t dvs = default_values.size(); #ifdef DEBUG_ENABLED if (missing > dvs) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif const Variant *args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; //avoid zero sized array for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) { if (i < p_argcount) { args[i] = p_args[i]; } else { args[i] = &default_values[i - p_argcount + (dvs - missing)]; } } call_with_variant_args_static_ret(p_method, args, r_ret, r_error, BuildIndexSequence<sizeof...(P)>{}); } template <class... P> void call_with_variant_args_static_dv(void (*p_method)(P...), const Variant **p_args, int p_argcount, Callable::CallError &r_error, const Vector<Variant> &default_values) { #ifdef DEBUG_ENABLED if ((size_t)p_argcount > sizeof...(P)) { r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount; int32_t dvs = default_values.size(); #ifdef DEBUG_ENABLED if (missing > dvs) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; r_error.argument = sizeof...(P); return; } #endif const Variant *args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; //avoid zero sized array for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) { if (i < p_argcount) { args[i] = p_args[i]; } else { args[i] = &default_values[i - p_argcount + (dvs - missing)]; } } call_with_variant_args_static(p_method, args, r_error, BuildIndexSequence<sizeof...(P)>{}); } #if defined(DEBUG_METHODS_ENABLED) && defined(__GNUC__) && !defined(__clang__) #pragma GCC diagnostic pop #endif #endif // BINDER_COMMON_H