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authorreduz <reduzio@gmail.com>2020-11-07 19:33:38 -0300
committerreduz <reduzio@gmail.com>2020-11-07 20:17:12 -0300
commit127458ed175c5aeac8dee7f09d23fae4c8928eb7 (patch)
treea1dd3ae46bf575cb8296df38568dfce237c6ecd8 /core/object/callable_method_pointer.h
parent30b6db99a99a94c64d906c1b828ff44f79a1bc75 (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.h244
1 files changed, 244 insertions, 0 deletions
diff --git a/core/object/callable_method_pointer.h b/core/object/callable_method_pointer.h
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+/*************************************************************************/
+/* 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