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
454
|
/*************************************************************************/
/* gdscript.h */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#ifndef GDSCRIPT_H
#define GDSCRIPT_H
#include "gdscript_function.h"
#include "io/resource_loader.h"
#include "io/resource_saver.h"
#include "script_language.h"
class GDScriptNativeClass : public Reference {
GDCLASS(GDScriptNativeClass, Reference);
StringName name;
protected:
bool _get(const StringName &p_name, Variant &r_ret) const;
static void _bind_methods();
public:
_FORCE_INLINE_ const StringName &get_name() const { return name; }
Variant _new();
Object *instance();
GDScriptNativeClass(const StringName &p_name);
};
class GDScript : public Script {
GDCLASS(GDScript, Script);
bool tool;
bool valid;
struct MemberInfo {
int index;
StringName setter;
StringName getter;
ScriptInstance::RPCMode rpc_mode;
};
friend class GDScriptInstance;
friend class GDScriptFunction;
friend class GDScriptCompiler;
friend class GDScriptFunctions;
friend class GDScriptLanguage;
Variant _static_ref; //used for static call
Ref<GDScriptNativeClass> native;
Ref<GDScript> base;
GDScript *_base; //fast pointer access
GDScript *_owner; //for subclasses
Set<StringName> members; //members are just indices to the instanced script.
Map<StringName, Variant> constants;
Map<StringName, GDScriptFunction *> member_functions;
Map<StringName, MemberInfo> member_indices; //members are just indices to the instanced script.
Map<StringName, Ref<GDScript> > subclasses;
Map<StringName, Vector<StringName> > _signals;
#ifdef TOOLS_ENABLED
Map<StringName, int> member_lines;
Map<StringName, Variant> member_default_values;
List<PropertyInfo> members_cache;
Map<StringName, Variant> member_default_values_cache;
Ref<GDScript> base_cache;
Set<ObjectID> inheriters_cache;
bool source_changed_cache;
void _update_exports_values(Map<StringName, Variant> &values, List<PropertyInfo> &propnames);
#endif
Map<StringName, PropertyInfo> member_info;
GDScriptFunction *initializer; //direct pointer to _init , faster to locate
int subclass_count;
Set<Object *> instances;
//exported members
String source;
String path;
String name;
SelfList<GDScript> script_list;
GDScriptInstance *_create_instance(const Variant **p_args, int p_argcount, Object *p_owner, bool p_isref, Variant::CallError &r_error);
void _set_subclass_path(Ref<GDScript> &p_sc, const String &p_path);
#ifdef TOOLS_ENABLED
Set<PlaceHolderScriptInstance *> placeholders;
//void _update_placeholder(PlaceHolderScriptInstance *p_placeholder);
virtual void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder);
#endif
#ifdef DEBUG_ENABLED
Map<ObjectID, List<Pair<StringName, Variant> > > pending_reload_state;
#endif
bool _update_exports();
protected:
bool _get(const StringName &p_name, Variant &r_ret) const;
bool _set(const StringName &p_name, const Variant &p_value);
void _get_property_list(List<PropertyInfo> *p_properties) const;
Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error);
//void call_multilevel(const StringName& p_method,const Variant** p_args,int p_argcount);
static void _bind_methods();
public:
bool is_valid() const { return valid; }
const Map<StringName, Ref<GDScript> > &get_subclasses() const { return subclasses; }
const Map<StringName, Variant> &get_constants() const { return constants; }
const Set<StringName> &get_members() const { return members; }
const Map<StringName, GDScriptFunction *> &get_member_functions() const { return member_functions; }
const Ref<GDScriptNativeClass> &get_native() const { return native; }
virtual bool has_script_signal(const StringName &p_signal) const;
virtual void get_script_signal_list(List<MethodInfo> *r_signals) const;
bool is_tool() const { return tool; }
Ref<GDScript> get_base() const;
const Map<StringName, MemberInfo> &debug_get_member_indices() const { return member_indices; }
const Map<StringName, GDScriptFunction *> &debug_get_member_functions() const; //this is debug only
StringName debug_get_member_by_index(int p_idx) const;
Variant _new(const Variant **p_args, int p_argcount, Variant::CallError &r_error);
virtual bool can_instance() const;
virtual Ref<Script> get_base_script() const;
virtual StringName get_instance_base_type() const; // this may not work in all scripts, will return empty if so
virtual ScriptInstance *instance_create(Object *p_this);
virtual bool instance_has(const Object *p_this) const;
virtual bool has_source_code() const;
virtual String get_source_code() const;
virtual void set_source_code(const String &p_code);
virtual void update_exports();
virtual Error reload(bool p_keep_state = false);
void set_script_path(const String &p_path) { path = p_path; } //because subclasses need a path too...
Error load_source_code(const String &p_path);
Error load_byte_code(const String &p_path);
Vector<uint8_t> get_as_byte_code() const;
bool get_property_default_value(const StringName &p_property, Variant &r_value) const;
virtual void get_script_method_list(List<MethodInfo> *p_list) const;
virtual bool has_method(const StringName &p_method) const;
virtual MethodInfo get_method_info(const StringName &p_method) const;
virtual void get_script_property_list(List<PropertyInfo> *p_list) const;
virtual ScriptLanguage *get_language() const;
virtual int get_member_line(const StringName &p_member) const {
#ifdef TOOLS_ENABLED
if (member_lines.has(p_member))
return member_lines[p_member];
else
#endif
return -1;
}
virtual void get_constants(Map<StringName, Variant> *p_constants);
virtual void get_members(Set<StringName> *p_members);
GDScript();
~GDScript();
};
class GDScriptInstance : public ScriptInstance {
friend class GDScript;
friend class GDScriptFunction;
friend class GDScriptFunctions;
friend class GDScriptCompiler;
Object *owner;
Ref<GDScript> script;
#ifdef DEBUG_ENABLED
Map<StringName, int> member_indices_cache; //used only for hot script reloading
#endif
Vector<Variant> members;
bool base_ref;
void _ml_call_reversed(GDScript *sptr, const StringName &p_method, const Variant **p_args, int p_argcount);
public:
virtual Object *get_owner() { return owner; }
virtual bool set(const StringName &p_name, const Variant &p_value);
virtual bool get(const StringName &p_name, Variant &r_ret) const;
virtual void get_property_list(List<PropertyInfo> *p_properties) const;
virtual Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid = NULL) const;
virtual void get_method_list(List<MethodInfo> *p_list) const;
virtual bool has_method(const StringName &p_method) const;
virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error);
virtual void call_multilevel(const StringName &p_method, const Variant **p_args, int p_argcount);
virtual void call_multilevel_reversed(const StringName &p_method, const Variant **p_args, int p_argcount);
Variant debug_get_member_by_index(int p_idx) const { return members[p_idx]; }
virtual void notification(int p_notification);
virtual Ref<Script> get_script() const;
virtual ScriptLanguage *get_language();
void set_path(const String &p_path);
void reload_members();
virtual RPCMode get_rpc_mode(const StringName &p_method) const;
virtual RPCMode get_rset_mode(const StringName &p_variable) const;
GDScriptInstance();
~GDScriptInstance();
};
class GDScriptLanguage : public ScriptLanguage {
static GDScriptLanguage *singleton;
Variant *_global_array;
Vector<Variant> global_array;
Map<StringName, int> globals;
struct CallLevel {
Variant *stack;
GDScriptFunction *function;
GDScriptInstance *instance;
int *ip;
int *line;
};
int _debug_parse_err_line;
String _debug_parse_err_file;
String _debug_error;
int _debug_call_stack_pos;
int _debug_max_call_stack;
CallLevel *_call_stack;
void _add_global(const StringName &p_name, const Variant &p_value);
friend class GDScriptInstance;
Mutex *lock;
friend class GDScript;
SelfList<GDScript>::List script_list;
friend class GDScriptFunction;
SelfList<GDScriptFunction>::List function_list;
bool profiling;
uint64_t script_frame_time;
public:
int calls;
bool debug_break(const String &p_error, bool p_allow_continue = true);
bool debug_break_parse(const String &p_file, int p_line, const String &p_error);
_FORCE_INLINE_ void enter_function(GDScriptInstance *p_instance, GDScriptFunction *p_function, Variant *p_stack, int *p_ip, int *p_line) {
if (Thread::get_main_id() != Thread::get_caller_id())
return; //no support for other threads than main for now
if (ScriptDebugger::get_singleton()->get_lines_left() > 0 && ScriptDebugger::get_singleton()->get_depth() >= 0)
ScriptDebugger::get_singleton()->set_depth(ScriptDebugger::get_singleton()->get_depth() + 1);
if (_debug_call_stack_pos >= _debug_max_call_stack) {
//stack overflow
_debug_error = "Stack Overflow (Stack Size: " + itos(_debug_max_call_stack) + ")";
ScriptDebugger::get_singleton()->debug(this);
return;
}
_call_stack[_debug_call_stack_pos].stack = p_stack;
_call_stack[_debug_call_stack_pos].instance = p_instance;
_call_stack[_debug_call_stack_pos].function = p_function;
_call_stack[_debug_call_stack_pos].ip = p_ip;
_call_stack[_debug_call_stack_pos].line = p_line;
_debug_call_stack_pos++;
}
_FORCE_INLINE_ void exit_function() {
if (Thread::get_main_id() != Thread::get_caller_id())
return; //no support for other threads than main for now
if (ScriptDebugger::get_singleton()->get_lines_left() > 0 && ScriptDebugger::get_singleton()->get_depth() >= 0)
ScriptDebugger::get_singleton()->set_depth(ScriptDebugger::get_singleton()->get_depth() - 1);
if (_debug_call_stack_pos == 0) {
_debug_error = "Stack Underflow (Engine Bug)";
ScriptDebugger::get_singleton()->debug(this);
return;
}
_debug_call_stack_pos--;
}
virtual Vector<StackInfo> debug_get_current_stack_info() {
if (Thread::get_main_id() != Thread::get_caller_id())
return Vector<StackInfo>();
Vector<StackInfo> csi;
csi.resize(_debug_call_stack_pos);
for (int i = 0; i < _debug_call_stack_pos; i++) {
csi[_debug_call_stack_pos - i - 1].line = _call_stack[i].line ? *_call_stack[i].line : 0;
csi[_debug_call_stack_pos - i - 1].script = Ref<GDScript>(_call_stack[i].function->get_script());
}
return csi;
}
struct {
StringName _init;
StringName _notification;
StringName _set;
StringName _get;
StringName _get_property_list;
StringName _script_source;
} strings;
_FORCE_INLINE_ int get_global_array_size() const { return global_array.size(); }
_FORCE_INLINE_ Variant *get_global_array() { return _global_array; }
_FORCE_INLINE_ const Map<StringName, int> &get_global_map() { return globals; }
_FORCE_INLINE_ static GDScriptLanguage *get_singleton() { return singleton; }
virtual String get_name() const;
/* LANGUAGE FUNCTIONS */
virtual void init();
virtual String get_type() const;
virtual String get_extension() const;
virtual Error execute_file(const String &p_path);
virtual void finish();
/* EDITOR FUNCTIONS */
virtual void get_reserved_words(List<String> *p_words) const;
virtual void get_comment_delimiters(List<String> *p_delimiters) const;
virtual void get_string_delimiters(List<String> *p_delimiters) const;
virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const;
virtual bool is_using_templates();
virtual void make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script);
virtual bool validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path = "", List<String> *r_functions = NULL) const;
virtual Script *create_script() const;
virtual bool has_named_classes() const;
virtual bool supports_builtin_mode() const;
virtual bool can_inherit_from_file() { return true; }
virtual int find_function(const String &p_function, const String &p_code) const;
virtual String make_function(const String &p_class, const String &p_name, const PoolStringArray &p_args) const;
virtual Error complete_code(const String &p_code, const String &p_base_path, Object *p_owner, List<String> *r_options, bool &r_forced, String &r_call_hint);
#ifdef TOOLS_ENABLED
virtual Error lookup_code(const String &p_code, const String &p_symbol, const String &p_base_path, Object *p_owner, LookupResult &r_result);
#endif
virtual String _get_indentation() const;
virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const;
virtual void add_global_constant(const StringName &p_variable, const Variant &p_value);
/* DEBUGGER FUNCTIONS */
virtual String debug_get_error() const;
virtual int debug_get_stack_level_count() const;
virtual int debug_get_stack_level_line(int p_level) const;
virtual String debug_get_stack_level_function(int p_level) const;
virtual String debug_get_stack_level_source(int p_level) const;
virtual void debug_get_stack_level_locals(int p_level, List<String> *p_locals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1);
virtual void debug_get_stack_level_members(int p_level, List<String> *p_members, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1);
virtual ScriptInstance *debug_get_stack_level_instance(int p_level);
virtual void debug_get_globals(List<String> *p_globals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1);
virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems = -1, int p_max_depth = -1);
virtual void reload_all_scripts();
virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload);
virtual void frame();
virtual void get_public_functions(List<MethodInfo> *p_functions) const;
virtual void get_public_constants(List<Pair<String, Variant> > *p_constants) const;
virtual void profiling_start();
virtual void profiling_stop();
virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max);
virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max);
/* LOADER FUNCTIONS */
virtual void get_recognized_extensions(List<String> *p_extensions) const;
GDScriptLanguage();
~GDScriptLanguage();
};
class ResourceFormatLoaderGDScript : public ResourceFormatLoader {
public:
virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL);
virtual void get_recognized_extensions(List<String> *p_extensions) const;
virtual bool handles_type(const String &p_type) const;
virtual String get_resource_type(const String &p_path) const;
};
class ResourceFormatSaverGDScript : public ResourceFormatSaver {
public:
virtual Error save(const String &p_path, const RES &p_resource, uint32_t p_flags = 0);
virtual void get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const;
virtual bool recognize(const RES &p_resource) const;
};
#endif // GDSCRIPT_H
|