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#ifndef Py_CPYTHON_PYFRAME_H
#  error "this header file must not be included directly"
#endif

PyAPI_DATA(PyTypeObject) PyFrame_Type;

#define PyFrame_Check(op) Py_IS_TYPE((op), &PyFrame_Type)

PyAPI_FUNC(PyFrameObject *) PyFrame_GetBack(PyFrameObject *frame);
PyAPI_FUNC(PyObject *) PyFrame_GetLocals(PyFrameObject *frame);

PyAPI_FUNC(PyObject *) PyFrame_GetGlobals(PyFrameObject *frame);
PyAPI_FUNC(PyObject *) PyFrame_GetBuiltins(PyFrameObject *frame);

PyAPI_FUNC(PyObject *) PyFrame_GetGenerator(PyFrameObject *frame);
PyAPI_FUNC(int) PyFrame_GetLasti(PyFrameObject *frame);
PyAPI_FUNC(PyObject*) PyFrame_GetVar(PyFrameObject *frame, PyObject *name);
PyAPI_FUNC(PyObject*) PyFrame_GetVarString(PyFrameObject *frame, const char *name);

/* The following functions are for use by debuggers and other tools
 * implementing custom frame evaluators with PEP 523. */

struct _PyInterpreterFrame;

/* Returns the code object of the frame (strong reference).
 * Does not raise an exception. */
PyAPI_FUNC(PyObject *) PyUnstable_InterpreterFrame_GetCode(struct _PyInterpreterFrame *frame);

/* Returns a byte ofsset into the last executed instruction.
 * Does not raise an exception. */
PyAPI_FUNC(int) PyUnstable_InterpreterFrame_GetLasti(struct _PyInterpreterFrame *frame);

/* Returns the currently executing line number, or -1 if there is no line number.
 * Does not raise an exception. */
PyAPI_FUNC(int) PyUnstable_InterpreterFrame_GetLine(struct _PyInterpreterFrame *frame);