Repository navigation
Expand file tree
/
Copy pathcode.h
More file actions
340 lines (295 loc) · 14 KB
/
Copy pathcode.h
File metadata and controls
340 lines (295 loc) · 14 KB
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
/* Definitions for bytecode */
#ifndef Py_LIMITED_API
#ifndef Py_CODE_H
#define Py_CODE_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
PyObject *_co_code;
PyObject *_co_varnames;
PyObject *_co_cellvars;
PyObject *_co_freevars;
} _PyCoCached;
typedef struct {
int size;
int capacity;
struct _PyExecutorObject *executors[1];
} _PyExecutorArray;
#ifdef Py_GIL_DISABLED
/* Each thread specializes a thread-local copy of the bytecode in free-threaded
* builds. These copies are stored on the code object in a `_PyCodeArray`. The
* first entry in the array always points to the "main" copy of the bytecode
* that is stored at the end of the code object.
*/
typedef struct {
Py_ssize_t size;
char *entries[1];
} _PyCodeArray;
#define _PyCode_DEF_THREAD_LOCAL_BYTECODE() \
_PyCodeArray *co_tlbc;
#else
#define _PyCode_DEF_THREAD_LOCAL_BYTECODE()
#endif
// To avoid repeating ourselves in deepfreeze.py, all PyCodeObject members are
// defined in this macro:
#define _PyCode_DEF(SIZE) { \
PyObject_VAR_HEAD \
\
/* Note only the following fields are used in hash and/or comparisons \
* \
* - co_name \
* - co_argcount \
* - co_posonlyargcount \
* - co_kwonlyargcount \
* - co_nlocals \
* - co_stacksize \
* - co_flags \
* - co_firstlineno \
* - co_consts \
* - co_names \
* - co_localsplusnames \
* This is done to preserve the name and line number for tracebacks \
* and debuggers; otherwise, constant de-duplication would collapse \
* identical functions/lambdas defined on different lines. \
*/ \
\
/* These fields are set with provided values on new code objects. */ \
\
/* The hottest fields (in the eval loop) are grouped here at the top. */ \
PyObject *co_consts; /* list (constants used) */ \
PyObject *co_names; /* list of strings (names used) */ \
PyObject *co_exceptiontable; /* Byte string encoding exception handling \
table */ \
int co_flags; /* CO_..., see below */ \
\
/* The rest are not so impactful on performance. */ \
int co_argcount; /* #arguments, except *args */ \
int co_posonlyargcount; /* #positional only arguments */ \
int co_kwonlyargcount; /* #keyword only arguments */ \
int co_stacksize; /* #entries needed for evaluation stack */ \
int co_firstlineno; /* first source line number */ \
\
/* redundant values (derived from co_localsplusnames and \
co_localspluskinds) */ \
int co_nlocalsplus; /* number of spaces for holding local, cell, \
and free variables */ \
int co_framesize; /* Size of frame in words */ \
int co_nlocals; /* number of local variables */ \
int co_ncellvars; /* total number of cell variables */ \
int co_nfreevars; /* number of free variables */ \
uint32_t co_version; /* version number */ \
\
PyObject *co_localsplusnames; /* tuple mapping offsets to names */ \
PyObject *co_localspluskinds; /* Bytes mapping to local kinds (one byte \
per variable) */ \
PyObject *co_filename; /* unicode (where it was loaded from) */ \
PyObject *co_name; /* unicode (name, for reference) */ \
PyObject *co_qualname; /* unicode (qualname, for reference) */ \
PyObject *co_linetable; /* bytes object that holds location info */ \
PyObject *co_weakreflist; /* to support weakrefs to code objects */ \
_PyExecutorArray *co_executors; /* executors from optimizer */ \
_PyCoCached *_co_cached; /* cached co_* attributes */ \
uintptr_t _co_instrumentation_version; /* current instrumentation version */ \
struct _PyCoMonitoringData *_co_monitoring; /* Monitoring data */ \
Py_ssize_t _co_unique_id; /* ID used for per-thread refcounting */ \
int _co_firsttraceable; /* index of first traceable instruction */ \
/* Scratch space for extra data relating to the code object. \
Type is a void* to keep the format private in codeobject.c to force \
people to go through the proper APIs. */ \
void *co_extra; \
_PyCode_DEF_THREAD_LOCAL_BYTECODE() \
char co_code_adaptive[(SIZE)]; \
}
/* Bytecode object */
struct PyCodeObject _PyCode_DEF(1);
/* Masks for co_flags above */
#define CO_OPTIMIZED 0x0001
#define CO_NEWLOCALS 0x0002
#define CO_VARARGS 0x0004
#define CO_VARKEYWORDS 0x0008
#define CO_NESTED 0x0010
#define CO_GENERATOR 0x0020
/* The CO_COROUTINE flag is set for coroutine functions (defined with
``async def`` keywords) */
#define CO_COROUTINE 0x0080
#define CO_ITERABLE_COROUTINE 0x0100
#define CO_ASYNC_GENERATOR 0x0200
/* bpo-39562: These constant values are changed in Python 3.9
to prevent collision with compiler flags. CO_FUTURE_ and PyCF_
constants must be kept unique. PyCF_ constants can use bits from
0x0100 to 0x10000. CO_FUTURE_ constants use bits starting at 0x20000. */
#define CO_FUTURE_DIVISION 0x20000
#define CO_FUTURE_ABSOLUTE_IMPORT 0x40000 /* do absolute imports by default */
#define CO_FUTURE_WITH_STATEMENT 0x80000
#define CO_FUTURE_PRINT_FUNCTION 0x100000
#define CO_FUTURE_UNICODE_LITERALS 0x200000
#define CO_FUTURE_BARRY_AS_BDFL 0x400000
#define CO_FUTURE_GENERATOR_STOP 0x800000
#define CO_FUTURE_ANNOTATIONS 0x1000000
#define CO_NO_MONITORING_EVENTS 0x2000000
/* Whether the code object has a docstring,
If so, it will be the first item in co_consts
*/
#define CO_HAS_DOCSTRING 0x4000000
/* A function defined in class scope */
#define CO_METHOD 0x8000000
/* This should be defined if a future statement modifies the syntax.
For example, when a keyword is added.
*/
#define PY_PARSER_REQUIRES_FUTURE_KEYWORD
#define CO_MAXBLOCKS 21 /* Max static block nesting within a function */
PyAPI_DATA(PyTypeObject) PyCode_Type;
#define PyCode_Check(op) Py_IS_TYPE((op), &PyCode_Type)
static inline Py_ssize_t PyCode_GetNumFree(PyCodeObject *op) {
assert(PyCode_Check(op));
return op->co_nfreevars;
}
static inline int PyUnstable_Code_GetFirstFree(PyCodeObject *op) {
assert(PyCode_Check(op));
return op->co_nlocalsplus - op->co_nfreevars;
}
Py_DEPRECATED(3.13) static inline int PyCode_GetFirstFree(PyCodeObject *op) {
return PyUnstable_Code_GetFirstFree(op);
}
/* Unstable public interface */
PyAPI_FUNC(PyCodeObject *) PyUnstable_Code_New(
int, int, int, int, int, PyObject *, PyObject *,
PyObject *, PyObject *, PyObject *, PyObject *,
PyObject *, PyObject *, PyObject *, int, PyObject *,
PyObject *);
PyAPI_FUNC(PyCodeObject *) PyUnstable_Code_NewWithPosOnlyArgs(
int, int, int, int, int, int, PyObject *, PyObject *,
PyObject *, PyObject *, PyObject *, PyObject *,
PyObject *, PyObject *, PyObject *, int, PyObject *,
PyObject *);
/* same as struct above */
// Old names -- remove when this API changes:
_Py_DEPRECATED_EXTERNALLY(3.12) static inline PyCodeObject *
PyCode_New(
int a, int b, int c, int d, int e, PyObject *f, PyObject *g,
PyObject *h, PyObject *i, PyObject *j, PyObject *k,
PyObject *l, PyObject *m, PyObject *n, int o, PyObject *p,
PyObject *q)
{
return PyUnstable_Code_New(
a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q);
}
_Py_DEPRECATED_EXTERNALLY(3.12) static inline PyCodeObject *
PyCode_NewWithPosOnlyArgs(
int a, int poac, int b, int c, int d, int e, PyObject *f, PyObject *g,
PyObject *h, PyObject *i, PyObject *j, PyObject *k,
PyObject *l, PyObject *m, PyObject *n, int o, PyObject *p,
PyObject *q)
{
return PyUnstable_Code_NewWithPosOnlyArgs(
a, poac, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q);
}
/* Creates a new empty code object with the specified source location. */
PyAPI_FUNC(PyCodeObject *)
PyCode_NewEmpty(const char *filename, const char *funcname, int firstlineno);
/* Return the line number associated with the specified bytecode index
in this code object. If you just need the line number of a frame,
use PyFrame_GetLineNumber() instead. */
PyAPI_FUNC(int) PyCode_Addr2Line(PyCodeObject *, int);
PyAPI_FUNC(int) PyCode_Addr2Location(PyCodeObject *, int, int *, int *, int *, int *);
#define PY_FOREACH_CODE_EVENT(V) \
V(CREATE) \
V(DESTROY)
typedef enum {
#define PY_DEF_EVENT(op) PY_CODE_EVENT_##op,
PY_FOREACH_CODE_EVENT(PY_DEF_EVENT)
#undef PY_DEF_EVENT
} PyCodeEvent;
/*
* A callback that is invoked for different events in a code object's lifecycle.
*
* The callback is invoked with a borrowed reference to co, after it is
* created and before it is destroyed.
*
* If the callback sets an exception, it must return -1. Otherwise
* it should return 0.
*/
typedef int (*PyCode_WatchCallback)(
PyCodeEvent event,
PyCodeObject* co);
/*
* Register a per-interpreter callback that will be invoked for code object
* lifecycle events.
*
* Returns a handle that may be passed to PyCode_ClearWatcher on success,
* or -1 and sets an error if no more handles are available.
*/
PyAPI_FUNC(int) PyCode_AddWatcher(PyCode_WatchCallback callback);
/*
* Clear the watcher associated with the watcher_id handle.
*
* Returns 0 on success or -1 if no watcher exists for the provided id.
*/
PyAPI_FUNC(int) PyCode_ClearWatcher(int watcher_id);
/* for internal use only */
struct _opaque {
int computed_line;
const uint8_t *lo_next;
const uint8_t *limit;
};
typedef struct _line_offsets {
int ar_start;
int ar_end;
int ar_line;
struct _opaque opaque;
} PyCodeAddressRange;
/* Update *bounds to describe the first and one-past-the-last instructions in the
same line as lasti. Return the number of that line.
*/
PyAPI_FUNC(int) _PyCode_CheckLineNumber(int lasti, PyCodeAddressRange *bounds);
/* Create a comparable key used to compare constants taking in account the
* object type. It is used to make sure types are not coerced (e.g., float and
* complex) _and_ to distinguish 0.0 from -0.0 e.g. on IEEE platforms
*
* Return (type(obj), obj, ...): a tuple with variable size (at least 2 items)
* depending on the type and the value. The type is the first item to not
* compare bytes and str which can raise a BytesWarning exception. */
PyAPI_FUNC(PyObject*) _PyCode_ConstantKey(PyObject *obj);
PyAPI_FUNC(PyObject*) PyCode_Optimize(PyObject *code, PyObject* consts,
PyObject *names, PyObject *lnotab);
PyAPI_FUNC(int) PyUnstable_Code_GetExtra(
PyObject *code, Py_ssize_t index, void **extra);
PyAPI_FUNC(int) PyUnstable_Code_SetExtra(
PyObject *code, Py_ssize_t index, void *extra);
// Old names -- remove when this API changes:
_Py_DEPRECATED_EXTERNALLY(3.12) static inline int
_PyCode_GetExtra(PyObject *code, Py_ssize_t index, void **extra)
{
return PyUnstable_Code_GetExtra(code, index, extra);
}
_Py_DEPRECATED_EXTERNALLY(3.12) static inline int
_PyCode_SetExtra(PyObject *code, Py_ssize_t index, void *extra)
{
return PyUnstable_Code_SetExtra(code, index, extra);
}
/* Equivalent to getattr(code, 'co_code') in Python.
Returns a strong reference to a bytes object. */
PyAPI_FUNC(PyObject *) PyCode_GetCode(PyCodeObject *code);
/* Equivalent to getattr(code, 'co_varnames') in Python. */
PyAPI_FUNC(PyObject *) PyCode_GetVarnames(PyCodeObject *code);
/* Equivalent to getattr(code, 'co_cellvars') in Python. */
PyAPI_FUNC(PyObject *) PyCode_GetCellvars(PyCodeObject *code);
/* Equivalent to getattr(code, 'co_freevars') in Python. */
PyAPI_FUNC(PyObject *) PyCode_GetFreevars(PyCodeObject *code);
typedef enum _PyCodeLocationInfoKind {
/* short forms are 0 to 9 */
PY_CODE_LOCATION_INFO_SHORT0 = 0,
/* one lineforms are 10 to 12 */
PY_CODE_LOCATION_INFO_ONE_LINE0 = 10,
PY_CODE_LOCATION_INFO_ONE_LINE1 = 11,
PY_CODE_LOCATION_INFO_ONE_LINE2 = 12,
PY_CODE_LOCATION_INFO_NO_COLUMNS = 13,
PY_CODE_LOCATION_INFO_LONG = 14,
PY_CODE_LOCATION_INFO_NONE = 15
} _PyCodeLocationInfoKind;
#ifdef __cplusplus
}
#endif
#endif // !Py_CODE_H
#endif // !Py_LIMITED_API