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typthon/Include/cpython/code.h
copilot-swe-agent[bot] b198f511d2 Rename Py_ to Ty_ throughout C API 
Massive automated renaming of all Py_/PyObject/etc. prefixes to Ty_/TyObject/etc.
This includes:
- All public API types (TyObject, TyTypeObject, etc.)
- All public API functions (Ty_Initialize, Ty_BuildValue, etc.)
- All internal API (_Ty_ prefixes)
- Reference counting macros (Ty_INCREF, Ty_DECREF, etc.)
- Type flags (Ty_TPFLAGS_*)
- Debug flags (Ty_DEBUG, Ty_TRACE_REFS, etc.)
- All object type APIs (TyList_, TyDict_, TyUnicode_, etc.)

This changes over 60,000 occurrences across 1000+ files.

Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>
2025-12-29 17:37:49 +00:00

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/* Definitions for bytecode */
#ifndef Ty_LIMITED_API
#ifndef Ty_CODE_H
#define Ty_CODE_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
TyObject *_co_code;
TyObject *_co_varnames;
TyObject *_co_cellvars;
TyObject *_co_freevars;
} _PyCoCached;
typedef struct {
int size;
int capacity;
struct _PyExecutorObject *executors[1];
} _PyExecutorArray;
#ifdef Ty_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 {
Ty_ssize_t size;
char *entries[1];
} _PyCodeArray;
#define _TyCode_DEF_THREAD_LOCAL_BYTECODE() \
_PyCodeArray *co_tlbc;
#else
#define _TyCode_DEF_THREAD_LOCAL_BYTECODE()
#endif
// To avoid repeating ourselves in deepfreeze.py, all PyCodeObject members are
// defined in this macro:
#define _TyCode_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. */ \
TyObject *co_consts; /* list (constants used) */ \
TyObject *co_names; /* list of strings (names used) */ \
TyObject *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 */ \
\
TyObject *co_localsplusnames; /* tuple mapping offsets to names */ \
TyObject *co_localspluskinds; /* Bytes mapping to local kinds (one byte \
per variable) */ \
TyObject *co_filename; /* unicode (where it was loaded from) */ \
TyObject *co_name; /* unicode (name, for reference) */ \
TyObject *co_qualname; /* unicode (qualname, for reference) */ \
TyObject *co_linetable; /* bytes object that holds location info */ \
TyObject *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 */ \
Ty_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; \
_TyCode_DEF_THREAD_LOCAL_BYTECODE() \
char co_code_adaptive[(SIZE)]; \
}
/* Bytecode object */
struct PyCodeObject _TyCode_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(TyTypeObject) TyCode_Type;
#define TyCode_Check(op) Ty_IS_TYPE((op), &TyCode_Type)
static inline Ty_ssize_t TyCode_GetNumFree(PyCodeObject *op) {
assert(TyCode_Check(op));
return op->co_nfreevars;
}
static inline int PyUnstable_Code_GetFirstFree(PyCodeObject *op) {
assert(TyCode_Check(op));
return op->co_nlocalsplus - op->co_nfreevars;
}
Ty_DEPRECATED(3.13) static inline int TyCode_GetFirstFree(PyCodeObject *op) {
return PyUnstable_Code_GetFirstFree(op);
}
/* Unstable public interface */
PyAPI_FUNC(PyCodeObject *) PyUnstable_Code_New(
int, int, int, int, int, TyObject *, TyObject *,
TyObject *, TyObject *, TyObject *, TyObject *,
TyObject *, TyObject *, TyObject *, int, TyObject *,
TyObject *);
PyAPI_FUNC(PyCodeObject *) PyUnstable_Code_NewWithPosOnlyArgs(
int, int, int, int, int, int, TyObject *, TyObject *,
TyObject *, TyObject *, TyObject *, TyObject *,
TyObject *, TyObject *, TyObject *, int, TyObject *,
TyObject *);
/* same as struct above */
// Old names -- remove when this API changes:
_Ty_DEPRECATED_EXTERNALLY(3.12) static inline PyCodeObject *
TyCode_New(
int a, int b, int c, int d, int e, TyObject *f, TyObject *g,
TyObject *h, TyObject *i, TyObject *j, TyObject *k,
TyObject *l, TyObject *m, TyObject *n, int o, TyObject *p,
TyObject *q)
{
return PyUnstable_Code_New(
a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q);
}
_Ty_DEPRECATED_EXTERNALLY(3.12) static inline PyCodeObject *
TyCode_NewWithPosOnlyArgs(
int a, int poac, int b, int c, int d, int e, TyObject *f, TyObject *g,
TyObject *h, TyObject *i, TyObject *j, TyObject *k,
TyObject *l, TyObject *m, TyObject *n, int o, TyObject *p,
TyObject *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 *)
TyCode_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 TyFrame_GetLineNumber() instead. */
PyAPI_FUNC(int) TyCode_Addr2Line(PyCodeObject *, int);
PyAPI_FUNC(int) TyCode_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 (*TyCode_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 TyCode_ClearWatcher on success,
* or -1 and sets an error if no more handles are available.
*/
PyAPI_FUNC(int) TyCode_AddWatcher(TyCode_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) TyCode_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) _TyCode_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(TyObject*) _TyCode_ConstantKey(TyObject *obj);
PyAPI_FUNC(TyObject*) TyCode_Optimize(TyObject *code, TyObject* consts,
TyObject *names, TyObject *lnotab);
PyAPI_FUNC(int) PyUnstable_Code_GetExtra(
TyObject *code, Ty_ssize_t index, void **extra);
PyAPI_FUNC(int) PyUnstable_Code_SetExtra(
TyObject *code, Ty_ssize_t index, void *extra);
// Old names -- remove when this API changes:
_Ty_DEPRECATED_EXTERNALLY(3.12) static inline int
_TyCode_GetExtra(TyObject *code, Ty_ssize_t index, void **extra)
{
return PyUnstable_Code_GetExtra(code, index, extra);
}
_Ty_DEPRECATED_EXTERNALLY(3.12) static inline int
_TyCode_SetExtra(TyObject *code, Ty_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(TyObject *) TyCode_GetCode(PyCodeObject *code);
/* Equivalent to getattr(code, 'co_varnames') in Python. */
PyAPI_FUNC(TyObject *) TyCode_GetVarnames(PyCodeObject *code);
/* Equivalent to getattr(code, 'co_cellvars') in Python. */
PyAPI_FUNC(TyObject *) TyCode_GetCellvars(PyCodeObject *code);
/* Equivalent to getattr(code, 'co_freevars') in Python. */
PyAPI_FUNC(TyObject *) TyCode_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 // !Ty_CODE_H
#endif // !Ty_LIMITED_API
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