diff options
author | reduz <reduzio@gmail.com> | 2020-11-07 19:33:38 -0300 |
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committer | reduz <reduzio@gmail.com> | 2020-11-07 20:17:12 -0300 |
commit | 127458ed175c5aeac8dee7f09d23fae4c8928eb7 (patch) | |
tree | a1dd3ae46bf575cb8296df38568dfce237c6ecd8 /core/object/callable_method_pointer.h | |
parent | 30b6db99a99a94c64d906c1b828ff44f79a1bc75 (diff) |
Reorganized core/ directory, it was too fatty already
-Removed FuncRef, since Callable makes it obsolete
-Removed int_types.h as its obsolete in c++11+
-Changed color names code
Diffstat (limited to 'core/object/callable_method_pointer.h')
-rw-r--r-- | core/object/callable_method_pointer.h | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/core/object/callable_method_pointer.h b/core/object/callable_method_pointer.h new file mode 100644 index 0000000000..ee6da6a8db --- /dev/null +++ b/core/object/callable_method_pointer.h @@ -0,0 +1,244 @@ +/*************************************************************************/ +/* callable_method_pointer.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 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 CALLABLE_METHOD_POINTER_H +#define CALLABLE_METHOD_POINTER_H + +#include "core/object/object.h" +#include "core/os/copymem.h" +#include "core/templates/hashfuncs.h" +#include "core/templates/simple_type.h" +#include "core/variant/binder_common.h" +#include "core/variant/callable.h" + +class CallableCustomMethodPointerBase : public CallableCustom { + uint32_t *comp_ptr; + uint32_t comp_size; + uint32_t h; +#ifdef DEBUG_METHODS_ENABLED + const char *text = ""; +#endif + static bool compare_equal(const CallableCustom *p_a, const CallableCustom *p_b); + static bool compare_less(const CallableCustom *p_a, const CallableCustom *p_b); + +protected: + void _setup(uint32_t *p_base_ptr, uint32_t p_ptr_size); + +public: +#ifdef DEBUG_METHODS_ENABLED + void set_text(const char *p_text) { + text = p_text; + } + virtual String get_as_text() const { + return text; + } +#else + virtual String get_as_text() const { + return String(); + } +#endif + virtual CompareEqualFunc get_compare_equal_func() const; + virtual CompareLessFunc get_compare_less_func() const; + + virtual uint32_t hash() const; +}; + +template <class T, class... P> +class CallableCustomMethodPointer : public CallableCustomMethodPointerBase { + struct Data { + T *instance; +#ifdef DEBUG_ENABLED + uint64_t object_id; +#endif + void (T::*method)(P...); + } data; + +public: + virtual ObjectID get_object() const { +#ifdef DEBUG_ENABLED + if (ObjectDB::get_instance(ObjectID(data.object_id)) == nullptr) { + return ObjectID(); + } +#endif + return data.instance->get_instance_id(); + } + + virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const { +#ifdef DEBUG_ENABLED + ERR_FAIL_COND_MSG(ObjectDB::get_instance(ObjectID(data.object_id)) == nullptr, "Invalid Object id '" + uitos(data.object_id) + "', can't call method."); +#endif + call_with_variant_args(data.instance, data.method, p_arguments, p_argcount, r_call_error); + } + + CallableCustomMethodPointer(T *p_instance, void (T::*p_method)(P...)) { + zeromem(&data, sizeof(Data)); // Clear beforehand, may have padding bytes. + data.instance = p_instance; +#ifdef DEBUG_ENABLED + data.object_id = p_instance->get_instance_id(); +#endif + data.method = p_method; + _setup((uint32_t *)&data, sizeof(Data)); + } +}; + +template <class T, class... P> +Callable create_custom_callable_function_pointer(T *p_instance, +#ifdef DEBUG_METHODS_ENABLED + const char *p_func_text, +#endif + void (T::*p_method)(P...)) { + + typedef CallableCustomMethodPointer<T, P...> CCMP; // Messes with memnew otherwise. + CCMP *ccmp = memnew(CCMP(p_instance, p_method)); +#ifdef DEBUG_METHODS_ENABLED + ccmp->set_text(p_func_text + 1); // Try to get rid of the ampersand. +#endif + return Callable(ccmp); +} + +// VERSION WITH RETURN + +template <class T, class R, class... P> +class CallableCustomMethodPointerRet : public CallableCustomMethodPointerBase { + struct Data { + T *instance; +#ifdef DEBUG_ENABLED + uint64_t object_id; +#endif + R(T::*method) + (P...); + } data; + +public: + virtual ObjectID get_object() const { +#ifdef DEBUG_ENABLED + if (ObjectDB::get_instance(ObjectID(data.object_id)) == nullptr) { + return ObjectID(); + } +#endif + return data.instance->get_instance_id(); + } + + virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const { +#ifdef DEBUG_ENABLED + ERR_FAIL_COND_MSG(ObjectDB::get_instance(ObjectID(data.object_id)) == nullptr, "Invalid Object id '" + uitos(data.object_id) + "', can't call method."); +#endif + call_with_variant_args_ret(data.instance, data.method, p_arguments, p_argcount, r_return_value, r_call_error); + } + + CallableCustomMethodPointerRet(T *p_instance, R (T::*p_method)(P...)) { + zeromem(&data, sizeof(Data)); // Clear beforehand, may have padding bytes. + data.instance = p_instance; +#ifdef DEBUG_ENABLED + data.object_id = p_instance->get_instance_id(); +#endif + data.method = p_method; + _setup((uint32_t *)&data, sizeof(Data)); + } +}; + +template <class T, class R, class... P> +Callable create_custom_callable_function_pointer(T *p_instance, +#ifdef DEBUG_METHODS_ENABLED + const char *p_func_text, +#endif + R (T::*p_method)(P...)) { + + typedef CallableCustomMethodPointerRet<T, R, P...> CCMP; // Messes with memnew otherwise. + CCMP *ccmp = memnew(CCMP(p_instance, p_method)); +#ifdef DEBUG_METHODS_ENABLED + ccmp->set_text(p_func_text + 1); // Try to get rid of the ampersand. +#endif + return Callable(ccmp); +} + +// CONST VERSION WITH RETURN + +template <class T, class R, class... P> +class CallableCustomMethodPointerRetC : public CallableCustomMethodPointerBase { + struct Data { + T *instance; +#ifdef DEBUG_ENABLED + uint64_t object_id; +#endif + R(T::*method) + (P...) const; + } data; + +public: + virtual ObjectID get_object() const { +#ifdef DEBUG_ENABLED + if (ObjectDB::get_instance(ObjectID(data.object_id)) == nullptr) { + return ObjectID(); + } +#endif + return data.instance->get_instance_id(); + } + + virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const { +#ifdef DEBUG_ENABLED + ERR_FAIL_COND_MSG(ObjectDB::get_instance(ObjectID(data.object_id)) == nullptr, "Invalid Object id '" + uitos(data.object_id) + "', can't call method."); +#endif + call_with_variant_args_retc(data.instance, data.method, p_arguments, p_argcount, r_return_value, r_call_error); + } + + CallableCustomMethodPointerRetC(T *p_instance, R (T::*p_method)(P...) const) { + zeromem(&data, sizeof(Data)); // Clear beforehand, may have padding bytes. + data.instance = p_instance; +#ifdef DEBUG_ENABLED + data.object_id = p_instance->get_instance_id(); +#endif + data.method = p_method; + _setup((uint32_t *)&data, sizeof(Data)); + } +}; + +template <class T, class R, class... P> +Callable create_custom_callable_function_pointer(T *p_instance, +#ifdef DEBUG_METHODS_ENABLED + const char *p_func_text, +#endif + R (T::*p_method)(P...) const) { + + typedef CallableCustomMethodPointerRetC<T, R, P...> CCMP; // Messes with memnew otherwise. + CCMP *ccmp = memnew(CCMP(p_instance, p_method)); +#ifdef DEBUG_METHODS_ENABLED + ccmp->set_text(p_func_text + 1); // Try to get rid of the ampersand. +#endif + return Callable(ccmp); +} + +#ifdef DEBUG_METHODS_ENABLED +#define callable_mp(I, M) create_custom_callable_function_pointer(I, #M, M) +#else +#define callable_mp(I, M) create_custom_callable_function_pointer(I, M) +#endif + +#endif // CALLABLE_METHOD_POINTER_H |