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/* Structures used by pycore_debug_offsets.h.
*
* See InternalDocs/frames.md for an explanation of the frame stack
* including explanation of the PyFrameObject and _PyInterpreterFrame
* structs.
*/
#ifndef Py_INTERNAL_INTERP_FRAME_STRUCTS_H
#define Py_INTERNAL_INTERP_FRAME_STRUCTS_H
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#include "pycore_structs.h" // _PyStackRef
#include "pycore_typedefs.h" // _PyInterpreterFrame
#ifdef __cplusplus
extern "C" {
#endif
enum _frameowner {
FRAME_OWNED_BY_THREAD = 0,
FRAME_OWNED_BY_GENERATOR = 1,
FRAME_OWNED_BY_FRAME_OBJECT = 2,
FRAME_OWNED_BY_INTERPRETER = 3,
FRAME_OWNED_BY_CSTACK = 4,
};
struct _PyInterpreterFrame {
_PyStackRef f_executable; /* Deferred or strong reference (code object or None) */
struct _PyInterpreterFrame *previous;
_PyStackRef f_funcobj; /* Deferred or strong reference. Only valid if not on C stack */
PyObject *f_globals; /* Borrowed reference. Only valid if not on C stack */
PyObject *f_builtins; /* Borrowed reference. Only valid if not on C stack */
PyObject *f_locals; /* Strong reference, may be NULL. Only valid if not on C stack */
PyFrameObject *frame_obj; /* Strong reference, may be NULL. Only valid if not on C stack */
_Py_CODEUNIT *instr_ptr; /* Instruction currently executing (or about to begin) */
_PyStackRef *stackpointer;
#ifdef Py_GIL_DISABLED
/* Index of thread-local bytecode containing instr_ptr. */
int32_t tlbc_index;
#endif
uint16_t return_offset; /* Only relevant during a function call */
char owner;
#ifdef Py_DEBUG
uint8_t visited:1;
uint8_t lltrace:7;
#else
uint8_t visited;
#endif
/* Locals and stack */
_PyStackRef localsplus[1];
};
/* _PyGenObject_HEAD defines the initial segment of generator
and coroutine objects. */
#define _PyGenObject_HEAD(prefix) \
PyObject_HEAD \
/* List of weak reference. */ \
PyObject *prefix##_weakreflist; \
/* Name of the generator. */ \
PyObject *prefix##_name; \
/* Qualified name of the generator. */ \
PyObject *prefix##_qualname; \
_PyErr_StackItem prefix##_exc_state; \
PyObject *prefix##_origin_or_finalizer; \
char prefix##_hooks_inited; \
char prefix##_closed; \
char prefix##_running_async; \
/* The frame */ \
int8_t prefix##_frame_state; \
_PyInterpreterFrame prefix##_iframe; \
struct _PyGenObject {
/* The gi_ prefix is intended to remind of generator-iterator. */
_PyGenObject_HEAD(gi)
};
struct _PyCoroObject {
_PyGenObject_HEAD(cr)
};
struct _PyAsyncGenObject {
_PyGenObject_HEAD(ag)
};
#undef _PyGenObject_HEAD
#ifdef __cplusplus
}
#endif
#endif // !Py_INTERNAL_INTERP_FRAME_STRUCTS_H
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