summaryrefslogtreecommitdiff
path: root/modules/mono/mono_gd/gd_mono_field.cpp
blob: 133cfc9145a7d9360bec8983ab2c5a554bc83203 (plain)
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
/*************************************************************************/
/*  gd_mono_field.cpp                                                    */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2018 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.                */
/*************************************************************************/
#include "gd_mono_field.h"

#include <mono/metadata/attrdefs.h>

#include "gd_mono_class.h"
#include "gd_mono_marshal.h"

void GDMonoField::set_value_raw(MonoObject *p_object, void *p_ptr) {
	mono_field_set_value(p_object, mono_field, &p_ptr);
}

void GDMonoField::set_value(MonoObject *p_object, const Variant &p_value) {
#define SET_FROM_STRUCT_AND_BREAK(m_type)                \
	{                                                    \
		const m_type &val = p_value.operator ::m_type(); \
		MARSHALLED_OUT(m_type, val, raw);                \
		mono_field_set_value(p_object, mono_field, raw); \
		break;                                           \
	}

#define SET_FROM_PRIMITIVE(m_type)                        \
	{                                                     \
		m_type val = p_value.operator m_type();           \
		mono_field_set_value(p_object, mono_field, &val); \
		break;                                            \
	}

#define SET_FROM_ARRAY_AND_BREAK(m_type)                                                       \
	{                                                                                          \
		MonoArray *managed = GDMonoMarshal::m_type##_to_mono_array(p_value.operator m_type()); \
		mono_field_set_value(p_object, mono_field, &managed);                                  \
		break;                                                                                 \
	}

	switch (type.type_encoding) {
		case MONO_TYPE_BOOLEAN: {
			SET_FROM_PRIMITIVE(bool);
		} break;

		case MONO_TYPE_I1: {
			SET_FROM_PRIMITIVE(signed char);
		} break;
		case MONO_TYPE_I2: {
			SET_FROM_PRIMITIVE(signed short);
		} break;
		case MONO_TYPE_I4: {
			SET_FROM_PRIMITIVE(signed int);
		} break;
		case MONO_TYPE_I8: {
			SET_FROM_PRIMITIVE(int64_t);
		} break;

		case MONO_TYPE_U1: {
			SET_FROM_PRIMITIVE(unsigned char);
		} break;
		case MONO_TYPE_U2: {
			SET_FROM_PRIMITIVE(unsigned short);
		} break;
		case MONO_TYPE_U4: {
			SET_FROM_PRIMITIVE(unsigned int);
		} break;
		case MONO_TYPE_U8: {
			SET_FROM_PRIMITIVE(uint64_t);
		} break;

		case MONO_TYPE_R4: {
			SET_FROM_PRIMITIVE(float);
		} break;

		case MONO_TYPE_R8: {
			SET_FROM_PRIMITIVE(double);
		} break;

		case MONO_TYPE_STRING: {
			MonoString *mono_string = GDMonoMarshal::mono_string_from_godot(p_value);
			mono_field_set_value(p_object, mono_field, mono_string);
		} break;

		case MONO_TYPE_VALUETYPE: {
			GDMonoClass *tclass = type.type_class;

			if (tclass == CACHED_CLASS(Vector2))
				SET_FROM_STRUCT_AND_BREAK(Vector2);

			if (tclass == CACHED_CLASS(Rect2))
				SET_FROM_STRUCT_AND_BREAK(Rect2);

			if (tclass == CACHED_CLASS(Transform2D))
				SET_FROM_STRUCT_AND_BREAK(Transform2D);

			if (tclass == CACHED_CLASS(Vector3))
				SET_FROM_STRUCT_AND_BREAK(Vector3);

			if (tclass == CACHED_CLASS(Basis))
				SET_FROM_STRUCT_AND_BREAK(Basis);

			if (tclass == CACHED_CLASS(Quat))
				SET_FROM_STRUCT_AND_BREAK(Quat);

			if (tclass == CACHED_CLASS(Transform))
				SET_FROM_STRUCT_AND_BREAK(Transform);

			if (tclass == CACHED_CLASS(AABB))
				SET_FROM_STRUCT_AND_BREAK(AABB);

			if (tclass == CACHED_CLASS(Color))
				SET_FROM_STRUCT_AND_BREAK(Color);

			if (tclass == CACHED_CLASS(Plane))
				SET_FROM_STRUCT_AND_BREAK(Plane);

			if (mono_class_is_enum(tclass->get_raw()))
				SET_FROM_PRIMITIVE(signed int);

			ERR_EXPLAIN(String() + "Attempted to set the value of a field of unmarshallable type: " + tclass->get_name());
			ERR_FAIL();
		} break;

		case MONO_TYPE_ARRAY:
		case MONO_TYPE_SZARRAY: {
			MonoArrayType *array_type = mono_type_get_array_type(GDMonoClass::get_raw_type(type.type_class));

			if (array_type->eklass == CACHED_CLASS_RAW(MonoObject))
				SET_FROM_ARRAY_AND_BREAK(Array);

			if (array_type->eklass == CACHED_CLASS_RAW(uint8_t))
				SET_FROM_ARRAY_AND_BREAK(PoolByteArray);

			if (array_type->eklass == CACHED_CLASS_RAW(int32_t))
				SET_FROM_ARRAY_AND_BREAK(PoolIntArray);

			if (array_type->eklass == REAL_T_MONOCLASS)
				SET_FROM_ARRAY_AND_BREAK(PoolRealArray);

			if (array_type->eklass == CACHED_CLASS_RAW(String))
				SET_FROM_ARRAY_AND_BREAK(PoolStringArray);

			if (array_type->eklass == CACHED_CLASS_RAW(Vector2))
				SET_FROM_ARRAY_AND_BREAK(PoolVector2Array);

			if (array_type->eklass == CACHED_CLASS_RAW(Vector3))
				SET_FROM_ARRAY_AND_BREAK(PoolVector3Array);

			if (array_type->eklass == CACHED_CLASS_RAW(Color))
				SET_FROM_ARRAY_AND_BREAK(PoolColorArray);

			ERR_EXPLAIN(String() + "Attempted to convert Variant to a managed array of unmarshallable element type.");
			ERR_FAIL();
		} break;

		case MONO_TYPE_CLASS: {
			GDMonoClass *type_class = type.type_class;

			// GodotObject
			if (CACHED_CLASS(GodotObject)->is_assignable_from(type_class)) {
				MonoObject *managed = GDMonoUtils::unmanaged_get_managed(p_value.operator Object *());
				mono_field_set_value(p_object, mono_field, managed);
				break;
			}

			if (CACHED_CLASS(NodePath) == type_class) {
				MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator NodePath());
				mono_field_set_value(p_object, mono_field, managed);
				break;
			}

			if (CACHED_CLASS(RID) == type_class) {
				MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator RID());
				mono_field_set_value(p_object, mono_field, managed);
				break;
			}

			ERR_EXPLAIN(String() + "Attempted to set the value of a field of unmarshallable type: " + type_class->get_name());
			ERR_FAIL();
		} break;

		case MONO_TYPE_OBJECT: {
			// Variant
			switch (p_value.get_type()) {
				case Variant::BOOL: {
					SET_FROM_PRIMITIVE(bool);
				} break;
				case Variant::INT: {
					SET_FROM_PRIMITIVE(int);
				} break;
				case Variant::REAL: {
#ifdef REAL_T_IS_DOUBLE
					SET_FROM_PRIMITIVE(double);
#else
					SET_FROM_PRIMITIVE(float);
#endif
				} break;
				case Variant::STRING: {
					MonoString *mono_string = GDMonoMarshal::mono_string_from_godot(p_value);
					mono_field_set_value(p_object, mono_field, mono_string);
				} break;
				case Variant::VECTOR2: SET_FROM_STRUCT_AND_BREAK(Vector2);
				case Variant::RECT2: SET_FROM_STRUCT_AND_BREAK(Rect2);
				case Variant::VECTOR3: SET_FROM_STRUCT_AND_BREAK(Vector3);
				case Variant::TRANSFORM2D: SET_FROM_STRUCT_AND_BREAK(Transform2D);
				case Variant::PLANE: SET_FROM_STRUCT_AND_BREAK(Plane);
				case Variant::QUAT: SET_FROM_STRUCT_AND_BREAK(Quat);
				case Variant::AABB: SET_FROM_STRUCT_AND_BREAK(AABB);
				case Variant::BASIS: SET_FROM_STRUCT_AND_BREAK(Basis);
				case Variant::TRANSFORM: SET_FROM_STRUCT_AND_BREAK(Transform);
				case Variant::COLOR: SET_FROM_STRUCT_AND_BREAK(Color);
				case Variant::NODE_PATH: {
					MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator NodePath());
					mono_field_set_value(p_object, mono_field, managed);
				} break;
				case Variant::_RID: {
					MonoObject *managed = GDMonoUtils::create_managed_from(p_value.operator RID());
					mono_field_set_value(p_object, mono_field, managed);
				} break;
				case Variant::OBJECT: {
					MonoObject *managed = GDMonoUtils::unmanaged_get_managed(p_value.operator Object *());
					mono_field_set_value(p_object, mono_field, managed);
					break;
				}
				case Variant::DICTIONARY: {
					MonoObject *managed = GDMonoMarshal::Dictionary_to_mono_object(p_value.operator Dictionary());
					mono_field_set_value(p_object, mono_field, managed);
				} break;
				case Variant::ARRAY: SET_FROM_ARRAY_AND_BREAK(Array);
				case Variant::POOL_BYTE_ARRAY: SET_FROM_ARRAY_AND_BREAK(PoolByteArray);
				case Variant::POOL_INT_ARRAY: SET_FROM_ARRAY_AND_BREAK(PoolIntArray);
				case Variant::POOL_REAL_ARRAY: SET_FROM_ARRAY_AND_BREAK(PoolRealArray);
				case Variant::POOL_STRING_ARRAY: SET_FROM_ARRAY_AND_BREAK(PoolStringArray);
				case Variant::POOL_VECTOR2_ARRAY: SET_FROM_ARRAY_AND_BREAK(PoolVector2Array);
				case Variant::POOL_VECTOR3_ARRAY: SET_FROM_ARRAY_AND_BREAK(PoolVector3Array);
				case Variant::POOL_COLOR_ARRAY: SET_FROM_ARRAY_AND_BREAK(PoolColorArray);
#undef SET_FROM_ARRAY_AND_BREAK
				default: break;
			}
		} break;

		case MONO_TYPE_GENERICINST: {
			if (CACHED_RAW_MONO_CLASS(Dictionary) == type.type_class->get_raw()) {
				MonoObject *managed = GDMonoMarshal::Dictionary_to_mono_object(p_value.operator Dictionary());
				mono_field_set_value(p_object, mono_field, managed);
				break;
			}
		} break;

		default: {
			ERR_PRINTS(String() + "Attempted to set the value of a field of unexpected type encoding: " + itos(type.type_encoding));
		} break;
	}

#undef SET_FROM_STRUCT_AND_BREAK
#undef SET_FROM_PRIMITIVE
}

bool GDMonoField::get_bool_value(MonoObject *p_object) {
	return (bool)GDMonoMarshal::unbox<MonoBoolean>(get_value(p_object));
}

int GDMonoField::get_int_value(MonoObject *p_object) {
	return GDMonoMarshal::unbox<int32_t>(get_value(p_object));
}

String GDMonoField::get_string_value(MonoObject *p_object) {
	MonoObject *val = get_value(p_object);
	return GDMonoMarshal::mono_string_to_godot((MonoString *)val);
}

bool GDMonoField::has_attribute(GDMonoClass *p_attr_class) {
	ERR_FAIL_NULL_V(p_attr_class, false);

	if (!attrs_fetched)
		fetch_attributes();

	if (!attributes)
		return false;

	return mono_custom_attrs_has_attr(attributes, p_attr_class->get_raw());
}

MonoObject *GDMonoField::get_attribute(GDMonoClass *p_attr_class) {
	ERR_FAIL_NULL_V(p_attr_class, NULL);

	if (!attrs_fetched)
		fetch_attributes();

	if (!attributes)
		return NULL;

	return mono_custom_attrs_get_attr(attributes, p_attr_class->get_raw());
}

void GDMonoField::fetch_attributes() {
	ERR_FAIL_COND(attributes != NULL);
	attributes = mono_custom_attrs_from_field(owner->get_raw(), get_raw());
	attrs_fetched = true;
}

bool GDMonoField::is_static() {
	return mono_field_get_flags(mono_field) & MONO_FIELD_ATTR_STATIC;
}

GDMono::MemberVisibility GDMonoField::get_visibility() {
	switch (mono_field_get_flags(mono_field) & MONO_FIELD_ATTR_FIELD_ACCESS_MASK) {
		case MONO_FIELD_ATTR_PRIVATE:
			return GDMono::PRIVATE;
		case MONO_FIELD_ATTR_FAM_AND_ASSEM:
			return GDMono::PROTECTED_AND_INTERNAL;
		case MONO_FIELD_ATTR_ASSEMBLY:
			return GDMono::INTERNAL;
		case MONO_FIELD_ATTR_FAMILY:
			return GDMono::PROTECTED;
		case MONO_FIELD_ATTR_PUBLIC:
			return GDMono::PUBLIC;
		default:
			ERR_FAIL_V(GDMono::PRIVATE);
	}
}

GDMonoField::GDMonoField(MonoClassField *p_raw_field, GDMonoClass *p_owner) {
	owner = p_owner;
	mono_field = p_raw_field;
	name = mono_field_get_name(mono_field);
	MonoType *field_type = mono_field_get_type(mono_field);
	type.type_encoding = mono_type_get_type(field_type);
	MonoClass *field_type_class = mono_class_from_mono_type(field_type);
	type.type_class = GDMono::get_singleton()->get_class(field_type_class);

	attrs_fetched = false;
	attributes = NULL;
}

GDMonoField::~GDMonoField() {
	if (attributes) {
		mono_custom_attrs_free(attributes);
	}
}