1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
|
/*************************************************************************/
/* class_db.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 CLASS_DB_H
#define CLASS_DB_H
#include "core/object/method_bind.h"
#include "core/object/object.h"
#include "core/string/print_string.h"
/** To bind more then 6 parameters include this:
*
*/
// Makes callable_mp readily available in all classes connecting signals.
// Needs to come after method_bind and object have been included.
#include "core/object/callable_method_pointer.h"
#define DEFVAL(m_defval) (m_defval)
struct MethodDefinition {
StringName name;
Vector<StringName> args;
MethodDefinition() {}
MethodDefinition(const char *p_name) :
name(p_name) {}
MethodDefinition(const StringName &p_name) :
name(p_name) {}
};
MethodDefinition D_METHOD(const char *p_name);
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1);
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2);
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3);
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4);
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5);
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6);
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7);
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8);
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9);
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10);
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10, const char *p_arg11);
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10, const char *p_arg11, const char *p_arg12);
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10, const char *p_arg11, const char *p_arg12, const char *p_arg13);
class ClassDB {
public:
enum APIType {
API_CORE,
API_EDITOR,
API_EXTENSION,
API_EDITOR_EXTENSION,
API_NONE
};
public:
struct PropertySetGet {
int index;
StringName setter;
StringName getter;
MethodBind *_setptr;
MethodBind *_getptr;
Variant::Type type;
};
struct ClassInfo {
APIType api = API_NONE;
ClassInfo *inherits_ptr = nullptr;
void *class_ptr = nullptr;
ObjectNativeExtension *native_extension = nullptr;
HashMap<StringName, MethodBind *> method_map;
HashMap<StringName, int> constant_map;
HashMap<StringName, List<StringName>> enum_map;
HashMap<StringName, MethodInfo> signal_map;
List<PropertyInfo> property_list;
HashMap<StringName, PropertyInfo> property_map;
#ifdef DEBUG_METHODS_ENABLED
List<StringName> constant_order;
List<StringName> method_order;
Set<StringName> methods_in_properties;
List<MethodInfo> virtual_methods;
Map<StringName, MethodInfo> virtual_methods_map;
StringName category;
Map<StringName, Vector<Error>> method_error_values;
#endif
HashMap<StringName, PropertySetGet> property_setget;
StringName inherits;
StringName name;
bool disabled = false;
bool exposed = false;
bool is_virtual = false;
Object *(*creation_func)() = nullptr;
ClassInfo() {}
~ClassInfo() {}
};
template <class T>
static Object *creator() {
return memnew(T);
}
static RWLock lock;
static HashMap<StringName, ClassInfo> classes;
static HashMap<StringName, StringName> resource_base_extensions;
static HashMap<StringName, StringName> compat_classes;
static MethodBind *bind_methodfi(uint32_t p_flags, MethodBind *p_bind, const MethodDefinition &method_name, const Variant **p_defs, int p_defcount);
static APIType current_api;
static void _add_class2(const StringName &p_class, const StringName &p_inherits);
static HashMap<StringName, HashMap<StringName, Variant>> default_values;
static Set<StringName> default_values_cached;
private:
// Non-locking variants of get_parent_class and is_parent_class.
static StringName _get_parent_class(const StringName &p_class);
static bool _is_parent_class(const StringName &p_class, const StringName &p_inherits);
public:
// DO NOT USE THIS!!!!!! NEEDS TO BE PUBLIC BUT DO NOT USE NO MATTER WHAT!!!
template <class T>
static void _add_class() {
_add_class2(T::get_class_static(), T::get_parent_class_static());
}
template <class T>
static void register_class(bool p_virtual = false) {
GLOBAL_LOCK_FUNCTION;
T::initialize_class();
ClassInfo *t = classes.getptr(T::get_class_static());
ERR_FAIL_COND(!t);
t->creation_func = &creator<T>;
t->exposed = true;
t->is_virtual = p_virtual;
t->class_ptr = T::get_class_ptr_static();
t->api = current_api;
T::register_custom_data_to_otdb();
}
template <class T>
static void register_abstract_class() {
GLOBAL_LOCK_FUNCTION;
T::initialize_class();
ClassInfo *t = classes.getptr(T::get_class_static());
ERR_FAIL_COND(!t);
t->exposed = true;
t->class_ptr = T::get_class_ptr_static();
t->api = current_api;
//nothing
}
static void register_extension_class(ObjectNativeExtension *p_extension);
static void unregister_extension_class(const StringName &p_class);
template <class T>
static Object *_create_ptr_func() {
return T::create();
}
template <class T>
static void register_custom_instance_class() {
GLOBAL_LOCK_FUNCTION;
T::initialize_class();
ClassInfo *t = classes.getptr(T::get_class_static());
ERR_FAIL_COND(!t);
t->creation_func = &_create_ptr_func<T>;
t->exposed = true;
t->class_ptr = T::get_class_ptr_static();
t->api = current_api;
T::register_custom_data_to_otdb();
}
static void get_class_list(List<StringName> *p_classes);
static void get_inheriters_from_class(const StringName &p_class, List<StringName> *p_classes);
static void get_direct_inheriters_from_class(const StringName &p_class, List<StringName> *p_classes);
static StringName get_parent_class_nocheck(const StringName &p_class);
static StringName get_parent_class(const StringName &p_class);
static StringName get_compatibility_remapped_class(const StringName &p_class);
static bool class_exists(const StringName &p_class);
static bool is_parent_class(const StringName &p_class, const StringName &p_inherits);
static bool can_instantiate(const StringName &p_class);
static bool is_virtual(const StringName &p_class);
static Object *instantiate(const StringName &p_class);
static void set_object_extension_instance(Object *p_object, const StringName &p_class, GDExtensionClassInstancePtr p_instance);
static APIType get_api_type(const StringName &p_class);
static uint64_t get_api_hash(APIType p_api);
template <class N, class M>
static MethodBind *bind_method(N p_method_name, M p_method) {
MethodBind *bind = create_method_bind(p_method);
return bind_methodfi(METHOD_FLAGS_DEFAULT, bind, p_method_name, nullptr, 0); //use static function, much smaller binary usage
}
template <class N, class M>
static MethodBind *bind_method(N p_method_name, M p_method, const Variant &p_def1) {
MethodBind *bind = create_method_bind(p_method);
const Variant *ptr[1] = { &p_def1 };
return bind_methodfi(METHOD_FLAGS_DEFAULT, bind, p_method_name, ptr, 1);
}
template <class N, class M>
static MethodBind *bind_method(N p_method_name, M p_method, const Variant &p_def1, const Variant &p_def2) {
MethodBind *bind = create_method_bind(p_method);
const Variant *ptr[2] = { &p_def1, &p_def2 };
return bind_methodfi(METHOD_FLAGS_DEFAULT, bind, p_method_name, ptr, 2);
}
template <class N, class M>
static MethodBind *bind_method(N p_method_name, M p_method, const Variant &p_def1, const Variant &p_def2, const Variant &p_def3) {
MethodBind *bind = create_method_bind(p_method);
const Variant *ptr[3] = { &p_def1, &p_def2, &p_def3 };
return bind_methodfi(METHOD_FLAGS_DEFAULT, bind, p_method_name, ptr, 3);
}
template <class N, class M>
static MethodBind *bind_method(N p_method_name, M p_method, const Variant &p_def1, const Variant &p_def2, const Variant &p_def3, const Variant &p_def4) {
MethodBind *bind = create_method_bind(p_method);
const Variant *ptr[4] = { &p_def1, &p_def2, &p_def3, &p_def4 };
return bind_methodfi(METHOD_FLAGS_DEFAULT, bind, p_method_name, ptr, 4);
}
template <class N, class M>
static MethodBind *bind_method(N p_method_name, M p_method, const Variant &p_def1, const Variant &p_def2, const Variant &p_def3, const Variant &p_def4, const Variant &p_def5) {
MethodBind *bind = create_method_bind(p_method);
const Variant *ptr[5] = { &p_def1, &p_def2, &p_def3, &p_def4, &p_def5 };
return bind_methodfi(METHOD_FLAGS_DEFAULT, bind, p_method_name, ptr, 5);
}
template <class N, class M>
static MethodBind *bind_method(N p_method_name, M p_method, const Variant &p_def1, const Variant &p_def2, const Variant &p_def3, const Variant &p_def4, const Variant &p_def5, const Variant &p_def6) {
MethodBind *bind = create_method_bind(p_method);
const Variant *ptr[6] = { &p_def1, &p_def2, &p_def3, &p_def4, &p_def5, &p_def6 };
return bind_methodfi(METHOD_FLAGS_DEFAULT, bind, p_method_name, ptr, 6);
}
template <class N, class M>
static MethodBind *bind_method(N p_method_name, M p_method, const Variant &p_def1, const Variant &p_def2, const Variant &p_def3, const Variant &p_def4, const Variant &p_def5, const Variant &p_def6, const Variant &p_def7) {
MethodBind *bind = create_method_bind(p_method);
const Variant *ptr[7] = { &p_def1, &p_def2, &p_def3, &p_def4, &p_def5, &p_def6, &p_def7 };
return bind_methodfi(METHOD_FLAGS_DEFAULT, bind, p_method_name, ptr, 7);
}
template <class N, class M>
static MethodBind *bind_method(N p_method_name, M p_method, const Variant &p_def1, const Variant &p_def2, const Variant &p_def3, const Variant &p_def4, const Variant &p_def5, const Variant &p_def6, const Variant &p_def7, const Variant &p_def8) {
MethodBind *bind = create_method_bind(p_method);
const Variant *ptr[8] = { &p_def1, &p_def2, &p_def3, &p_def4, &p_def5, &p_def6, &p_def7, &p_def8 };
return bind_methodfi(METHOD_FLAGS_DEFAULT, bind, p_method_name, ptr, 8);
}
template <class M>
static MethodBind *bind_vararg_method(uint32_t p_flags, const StringName &p_name, M p_method, const MethodInfo &p_info = MethodInfo(), const Vector<Variant> &p_default_args = Vector<Variant>(), bool p_return_nil_is_variant = true) {
GLOBAL_LOCK_FUNCTION;
MethodBind *bind = create_vararg_method_bind(p_method, p_info, p_return_nil_is_variant);
ERR_FAIL_COND_V(!bind, nullptr);
bind->set_name(p_name);
bind->set_default_arguments(p_default_args);
String instance_type = bind->get_instance_class();
ClassInfo *type = classes.getptr(instance_type);
if (!type) {
memdelete(bind);
ERR_FAIL_COND_V(!type, nullptr);
}
if (type->method_map.has(p_name)) {
memdelete(bind);
// Overloading not supported
ERR_FAIL_V_MSG(nullptr, "Method already bound: " + instance_type + "::" + p_name + ".");
}
type->method_map[p_name] = bind;
#ifdef DEBUG_METHODS_ENABLED
// FIXME: <reduz> set_return_type is no longer in MethodBind, so I guess it should be moved to vararg method bind
//bind->set_return_type("Variant");
type->method_order.push_back(p_name);
#endif
return bind;
}
static void bind_method_custom(const StringName &p_class, MethodBind *p_method);
static void add_signal(const StringName &p_class, const MethodInfo &p_signal);
static bool has_signal(const StringName &p_class, const StringName &p_signal, bool p_no_inheritance = false);
static bool get_signal(const StringName &p_class, const StringName &p_signal, MethodInfo *r_signal);
static void get_signal_list(const StringName &p_class, List<MethodInfo> *p_signals, bool p_no_inheritance = false);
static void add_property_group(const StringName &p_class, const String &p_name, const String &p_prefix = "", int p_indent_depth = 0);
static void add_property_subgroup(const StringName &p_class, const String &p_name, const String &p_prefix = "", int p_indent_depth = 0);
static void add_property_array_count(const StringName &p_class, const String &p_label, const StringName &p_count_property, const StringName &p_count_setter, const StringName &p_count_getter, const String &p_array_element_prefix, uint32_t p_count_usage = PROPERTY_USAGE_DEFAULT);
static void add_property_array(const StringName &p_class, const StringName &p_path, const String &p_array_element_prefix);
static void add_property(const StringName &p_class, const PropertyInfo &p_pinfo, const StringName &p_setter, const StringName &p_getter, int p_index = -1);
static void set_property_default_value(const StringName &p_class, const StringName &p_name, const Variant &p_default);
static void add_linked_property(const StringName &p_class, const String &p_property, const String &p_linked_property);
static void get_property_list(const StringName &p_class, List<PropertyInfo> *p_list, bool p_no_inheritance = false, const Object *p_validator = nullptr);
static bool get_property_info(const StringName &p_class, const StringName &p_property, PropertyInfo *r_info, bool p_no_inheritance = false, const Object *p_validator = nullptr);
static bool set_property(Object *p_object, const StringName &p_property, const Variant &p_value, bool *r_valid = nullptr);
static bool get_property(Object *p_object, const StringName &p_property, Variant &r_value);
static bool has_property(const StringName &p_class, const StringName &p_property, bool p_no_inheritance = false);
static int get_property_index(const StringName &p_class, const StringName &p_property, bool *r_is_valid = nullptr);
static Variant::Type get_property_type(const StringName &p_class, const StringName &p_property, bool *r_is_valid = nullptr);
static StringName get_property_setter(const StringName &p_class, const StringName &p_property);
static StringName get_property_getter(const StringName &p_class, const StringName &p_property);
static bool has_method(const StringName &p_class, const StringName &p_method, bool p_no_inheritance = false);
static void set_method_flags(const StringName &p_class, const StringName &p_method, int p_flags);
static void get_method_list(const StringName &p_class, List<MethodInfo> *p_methods, bool p_no_inheritance = false, bool p_exclude_from_properties = false);
static bool get_method_info(const StringName &p_class, const StringName &p_method, MethodInfo *r_info, bool p_no_inheritance = false, bool p_exclude_from_properties = false);
static MethodBind *get_method(const StringName &p_class, const StringName &p_name);
static void add_virtual_method(const StringName &p_class, const MethodInfo &p_method, bool p_virtual = true, const Vector<String> &p_arg_names = Vector<String>(), bool p_object_core = false);
static void get_virtual_methods(const StringName &p_class, List<MethodInfo> *p_methods, bool p_no_inheritance = false);
static void bind_integer_constant(const StringName &p_class, const StringName &p_enum, const StringName &p_name, int p_constant);
static void get_integer_constant_list(const StringName &p_class, List<String> *p_constants, bool p_no_inheritance = false);
static int get_integer_constant(const StringName &p_class, const StringName &p_name, bool *p_success = nullptr);
static bool has_integer_constant(const StringName &p_class, const StringName &p_name, bool p_no_inheritance = false);
static StringName get_integer_constant_enum(const StringName &p_class, const StringName &p_name, bool p_no_inheritance = false);
static void get_enum_list(const StringName &p_class, List<StringName> *p_enums, bool p_no_inheritance = false);
static void get_enum_constants(const StringName &p_class, const StringName &p_enum, List<StringName> *p_constants, bool p_no_inheritance = false);
static bool has_enum(const StringName &p_class, const StringName &p_name, bool p_no_inheritance = false);
static void set_method_error_return_values(const StringName &p_class, const StringName &p_method, const Vector<Error> &p_values);
static Vector<Error> get_method_error_return_values(const StringName &p_class, const StringName &p_method);
static Variant class_get_default_property_value(const StringName &p_class, const StringName &p_property, bool *r_valid = nullptr);
static StringName get_category(const StringName &p_node);
static void set_class_enabled(const StringName &p_class, bool p_enable);
static bool is_class_enabled(const StringName &p_class);
static bool is_class_exposed(const StringName &p_class);
static void add_resource_base_extension(const StringName &p_extension, const StringName &p_class);
static void get_resource_base_extensions(List<String> *p_extensions);
static void get_extensions_for_type(const StringName &p_class, List<String> *p_extensions);
static bool is_resource_extension(const StringName &p_extension);
static void add_compatibility_class(const StringName &p_class, const StringName &p_fallback);
static void set_current_api(APIType p_api);
static APIType get_current_api();
static void cleanup_defaults();
static void cleanup();
};
#ifdef DEBUG_METHODS_ENABLED
#define BIND_CONSTANT(m_constant) \
::ClassDB::bind_integer_constant(get_class_static(), StringName(), #m_constant, m_constant);
#define BIND_ENUM_CONSTANT(m_constant) \
::ClassDB::bind_integer_constant(get_class_static(), __constant_get_enum_name(m_constant, #m_constant), #m_constant, m_constant);
_FORCE_INLINE_ void errarray_add_str(Vector<Error> &arr) {
}
_FORCE_INLINE_ void errarray_add_str(Vector<Error> &arr, const Error &p_err) {
arr.push_back(p_err);
}
template <class... P>
_FORCE_INLINE_ void errarray_add_str(Vector<Error> &arr, const Error &p_err, P... p_args) {
arr.push_back(p_err);
errarray_add_str(arr, p_args...);
}
template <class... P>
_FORCE_INLINE_ Vector<Error> errarray(P... p_args) {
Vector<Error> arr;
errarray_add_str(arr, p_args...);
return arr;
}
#define BIND_METHOD_ERR_RETURN_DOC(m_method, ...) \
::ClassDB::set_method_error_return_values(get_class_static(), m_method, errarray(__VA_ARGS__));
#else
#define BIND_CONSTANT(m_constant) \
::ClassDB::bind_integer_constant(get_class_static(), StringName(), #m_constant, m_constant);
#define BIND_ENUM_CONSTANT(m_constant) \
::ClassDB::bind_integer_constant(get_class_static(), StringName(), #m_constant, m_constant);
#define BIND_METHOD_ERR_RETURN_DOC(m_method, ...)
#endif
#define GDREGISTER_CLASS(m_class) \
if (!GD_IS_DEFINED(ClassDB_Disable_##m_class)) { \
::ClassDB::register_class<m_class>(); \
}
#define GDREGISTER_VIRTUAL_CLASS(m_class) \
if (!GD_IS_DEFINED(ClassDB_Disable_##m_class)) { \
::ClassDB::register_class<m_class>(true); \
}
#define GDREGISTER_ABSTRACT_CLASS(m_class) \
if (!GD_IS_DEFINED(ClassDB_Disable_##m_class)) { \
::ClassDB::register_abstract_class<m_class>(); \
}
#include "core/disabled_classes.gen.h"
#endif // CLASS_DB_H
|