bpo-40421: Add pyframe.h header file (GH-19755)
Add a new separated pyframe.h header file of the PyFrame public C API: it is included by Python.h. Add PyFrame_GetLineNumber() to the limited C API. Replace "struct _frame" with "PyFrameObject" in header files. PyFrameObject is now defined as struct _frame by pyframe.h which is included early enough in Python.h.
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5da352616f
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@ -35,6 +35,8 @@ Reflection
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Return the line number that *frame* is currently executing.
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*frame* must not be ``NULL``.
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.. c:function:: const char* PyEval_GetFuncName(PyObject *func)
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@ -537,6 +537,9 @@ Optimizations
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Build and C API Changes
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=======================
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* Add :c:func:`PyFrame_GetLineNumber` to the limited C API.
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(Contributed by Victor Stinner in :issue:`40421`.)
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* New :c:func:`PyThreadState_GetInterpreter` and
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:c:func:`PyInterpreterState_Get` functions to get the interpreter.
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New :c:func:`PyThreadState_GetFrame` function to get the current frame of a
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@ -114,6 +114,7 @@
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#include "classobject.h"
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#include "fileobject.h"
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#include "pycapsule.h"
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#include "pyframe.h"
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#include "traceback.h"
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#include "sliceobject.h"
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#include "cellobject.h"
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@ -28,12 +28,10 @@ Py_DEPRECATED(3.9) PyAPI_FUNC(PyObject *) PyEval_CallFunction(
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Py_DEPRECATED(3.9) PyAPI_FUNC(PyObject *) PyEval_CallMethod(
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PyObject *obj, const char *name, const char *format, ...);
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struct _frame; /* Avoid including frameobject.h */
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PyAPI_FUNC(PyObject *) PyEval_GetBuiltins(void);
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PyAPI_FUNC(PyObject *) PyEval_GetGlobals(void);
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PyAPI_FUNC(PyObject *) PyEval_GetLocals(void);
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PyAPI_FUNC(struct _frame *) PyEval_GetFrame(void);
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PyAPI_FUNC(PyFrameObject *) PyEval_GetFrame(void);
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PyAPI_FUNC(int) Py_AddPendingCall(int (*func)(void *), void *arg);
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PyAPI_FUNC(int) Py_MakePendingCalls(void);
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@ -80,8 +78,8 @@ PyAPI_FUNC(void) Py_LeaveRecursiveCall(void);
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PyAPI_FUNC(const char *) PyEval_GetFuncName(PyObject *);
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PyAPI_FUNC(const char *) PyEval_GetFuncDesc(PyObject *);
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PyAPI_FUNC(PyObject *) PyEval_EvalFrame(struct _frame *);
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PyAPI_FUNC(PyObject *) PyEval_EvalFrameEx(struct _frame *f, int exc);
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PyAPI_FUNC(PyObject *) PyEval_EvalFrame(PyFrameObject *);
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PyAPI_FUNC(PyObject *) PyEval_EvalFrameEx(PyFrameObject *f, int exc);
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/* Interface for threads.
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@ -23,7 +23,7 @@ PyAPI_FUNC(PyObject *) _PyEval_GetBuiltinId(_Py_Identifier *);
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flag was set, else return 0. */
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PyAPI_FUNC(int) PyEval_MergeCompilerFlags(PyCompilerFlags *cf);
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PyAPI_FUNC(PyObject *) _PyEval_EvalFrameDefault(PyThreadState *tstate, struct _frame *f, int exc);
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PyAPI_FUNC(PyObject *) _PyEval_EvalFrameDefault(PyThreadState *tstate, PyFrameObject *f, int exc);
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PyAPI_FUNC(void) _PyEval_SetSwitchInterval(unsigned long microseconds);
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PyAPI_FUNC(unsigned long) _PyEval_GetSwitchInterval(void);
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@ -14,7 +14,7 @@ typedef struct {
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int b_level; /* value stack level to pop to */
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} PyTryBlock;
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typedef struct _frame {
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struct _frame {
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PyObject_VAR_HEAD
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struct _frame *f_back; /* previous frame, or NULL */
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PyCodeObject *f_code; /* code segment */
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@ -44,7 +44,7 @@ typedef struct _frame {
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char f_executing; /* whether the frame is still executing */
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PyTryBlock f_blockstack[CO_MAXBLOCKS]; /* for try and loop blocks */
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PyObject *f_localsplus[1]; /* locals+stack, dynamically sized */
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} PyFrameObject;
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};
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/* Standard object interface */
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@ -79,9 +79,6 @@ PyAPI_FUNC(int) PyFrame_ClearFreeList(void);
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PyAPI_FUNC(void) _PyFrame_DebugMallocStats(FILE *out);
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/* Return the line of code the frame is currently executing. */
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PyAPI_FUNC(int) PyFrame_GetLineNumber(PyFrameObject *);
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#ifdef __cplusplus
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}
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#endif
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@ -16,7 +16,7 @@ PyAPI_FUNC(PyObject *) _PyInterpreterState_GetMainModule(PyInterpreterState *);
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/* State unique per thread */
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/* Py_tracefunc return -1 when raising an exception, or 0 for success. */
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typedef int (*Py_tracefunc)(PyObject *, struct _frame *, int, PyObject *);
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typedef int (*Py_tracefunc)(PyObject *, PyFrameObject *, int, PyObject *);
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/* The following values are used for 'what' for tracefunc functions
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*
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@ -56,7 +56,7 @@ struct _ts {
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PyInterpreterState *interp;
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/* Borrowed reference to the current frame (it can be NULL) */
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struct _frame *frame;
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PyFrameObject *frame;
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int recursion_depth;
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char overflowed; /* The stack has overflowed. Allow 50 more calls
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to handle the runtime error. */
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@ -184,7 +184,7 @@ PyAPI_FUNC(void) PyThreadState_DeleteCurrent(void);
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/* Frame evaluation API */
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typedef PyObject* (*_PyFrameEvalFunction)(PyThreadState *tstate, struct _frame *, int);
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typedef PyObject* (*_PyFrameEvalFunction)(PyThreadState *tstate, PyFrameObject *, int);
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PyAPI_FUNC(_PyFrameEvalFunction) _PyInterpreterState_GetEvalFrameFunc(
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PyInterpreterState *interp);
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@ -9,7 +9,7 @@ extern "C" {
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typedef struct _traceback {
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PyObject_HEAD
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struct _traceback *tb_next;
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struct _frame *tb_frame;
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PyFrameObject *tb_frame;
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int tb_lasti;
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int tb_lineno;
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} PyTracebackObject;
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@ -6,9 +6,7 @@
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extern "C" {
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#endif
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/* There are currently no frame related APIs in the stable ABI
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* (they're all in the full CPython-specific API)
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*/
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#include "pyframe.h"
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#ifndef Py_LIMITED_API
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# define Py_CPYTHON_FRAMEOBJECT_H
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@ -10,14 +10,12 @@ extern "C" {
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#include "pystate.h" /* _PyErr_StackItem */
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struct _frame; /* Avoid including frameobject.h */
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/* _PyGenObject_HEAD defines the initial segment of generator
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and coroutine objects. */
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#define _PyGenObject_HEAD(prefix) \
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PyObject_HEAD \
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/* Note: gi_frame can be NULL if the generator is "finished" */ \
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struct _frame *prefix##_frame; \
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PyFrameObject *prefix##_frame; \
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/* True if generator is being executed. */ \
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char prefix##_running; \
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/* The code object backing the generator */ \
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@ -40,8 +38,8 @@ PyAPI_DATA(PyTypeObject) PyGen_Type;
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#define PyGen_Check(op) PyObject_TypeCheck(op, &PyGen_Type)
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#define PyGen_CheckExact(op) Py_IS_TYPE(op, &PyGen_Type)
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PyAPI_FUNC(PyObject *) PyGen_New(struct _frame *);
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PyAPI_FUNC(PyObject *) PyGen_NewWithQualName(struct _frame *,
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PyAPI_FUNC(PyObject *) PyGen_New(PyFrameObject *);
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PyAPI_FUNC(PyObject *) PyGen_NewWithQualName(PyFrameObject *,
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PyObject *name, PyObject *qualname);
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PyAPI_FUNC(int) _PyGen_SetStopIterationValue(PyObject *);
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PyAPI_FUNC(int) _PyGen_FetchStopIterationValue(PyObject **);
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@ -60,7 +58,7 @@ PyAPI_DATA(PyTypeObject) _PyCoroWrapper_Type;
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#define PyCoro_CheckExact(op) Py_IS_TYPE(op, &PyCoro_Type)
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PyObject *_PyCoro_GetAwaitableIter(PyObject *o);
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PyAPI_FUNC(PyObject *) PyCoro_New(struct _frame *,
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PyAPI_FUNC(PyObject *) PyCoro_New(PyFrameObject *,
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PyObject *name, PyObject *qualname);
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/* Asynchronous Generators */
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@ -86,7 +84,7 @@ PyAPI_DATA(PyTypeObject) _PyAsyncGenASend_Type;
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PyAPI_DATA(PyTypeObject) _PyAsyncGenWrappedValue_Type;
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PyAPI_DATA(PyTypeObject) _PyAsyncGenAThrow_Type;
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PyAPI_FUNC(PyObject *) PyAsyncGen_New(struct _frame *,
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PyAPI_FUNC(PyObject *) PyAsyncGen_New(PyFrameObject *,
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PyObject *name, PyObject *qualname);
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#define PyAsyncGen_CheckExact(op) Py_IS_TYPE(op, &PyAsyncGen_Type)
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@ -11,7 +11,6 @@ extern "C" {
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/* Forward declarations */
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struct pyruntimestate;
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struct _ceval_runtime_state;
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struct _frame;
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#include "pycore_interp.h" /* PyInterpreterState.eval_frame */
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@ -36,7 +35,7 @@ PyAPI_FUNC(void) _PyEval_SetCoroutineOriginTrackingDepth(
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void _PyEval_Fini(void);
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static inline PyObject*
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_PyEval_EvalFrame(PyThreadState *tstate, struct _frame *f, int throwflag)
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_PyEval_EvalFrame(PyThreadState *tstate, PyFrameObject *f, int throwflag)
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{
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return tstate->interp->eval_frame(tstate, f, throwflag);
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}
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@ -89,7 +89,7 @@ PyAPI_FUNC(void) _Py_DumpHexadecimal(
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PyAPI_FUNC(PyObject*) _PyTraceBack_FromFrame(
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PyObject *tb_next,
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struct _frame *frame);
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PyFrameObject *frame);
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#ifdef __cplusplus
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}
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@ -0,0 +1,20 @@
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/* Limited C API of PyFrame API
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*
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* Include "frameobject.h" to get the PyFrameObject structure.
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*/
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#ifndef Py_PYFRAME_H
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#define Py_PYFRAME_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct _frame PyFrameObject;
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/* Return the line of code the frame is currently executing. */
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PyAPI_FUNC(int) PyFrame_GetLineNumber(PyFrameObject *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_PYFRAME_H */
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@ -13,7 +13,6 @@ removed (with effort). */
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/* Forward declarations for PyFrameObject, PyThreadState
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and PyInterpreterState */
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struct _frame;
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struct _ts;
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struct _is;
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@ -88,7 +87,7 @@ PyAPI_FUNC(int) PyThreadState_SetAsyncExc(unsigned long, PyObject *);
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#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03090000
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/* New in 3.9 */
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PyAPI_FUNC(PyInterpreterState*) PyThreadState_GetInterpreter(PyThreadState *tstate);
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PyAPI_FUNC(struct _frame*) PyThreadState_GetFrame(PyThreadState *tstate);
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PyAPI_FUNC(PyFrameObject*) PyThreadState_GetFrame(PyThreadState *tstate);
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PyAPI_FUNC(uint64_t) PyThreadState_GetID(PyThreadState *tstate);
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#endif
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@ -4,11 +4,9 @@
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extern "C" {
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#endif
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struct _frame;
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/* Traceback interface */
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PyAPI_FUNC(int) PyTraceBack_Here(struct _frame *);
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PyAPI_FUNC(int) PyTraceBack_Here(PyFrameObject *);
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PyAPI_FUNC(int) PyTraceBack_Print(PyObject *, PyObject *);
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/* Reveal traceback type so we can typecheck traceback objects */
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@ -1047,6 +1047,7 @@ PYTHON_HEADERS= \
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$(srcdir)/Include/pydtrace.h \
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$(srcdir)/Include/pyerrors.h \
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$(srcdir)/Include/pyfpe.h \
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$(srcdir)/Include/pyframe.h \
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$(srcdir)/Include/pyhash.h \
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$(srcdir)/Include/pylifecycle.h \
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$(srcdir)/Include/pymacconfig.h \
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@ -34,10 +34,13 @@ frame_getlocals(PyFrameObject *f, void *closure)
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int
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PyFrame_GetLineNumber(PyFrameObject *f)
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{
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if (f->f_trace)
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assert(f != NULL);
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if (f->f_trace) {
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return f->f_lineno;
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else
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}
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else {
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return PyCode_Addr2Line(f->f_code, f->f_lasti);
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}
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}
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static PyObject *
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@ -110,6 +110,8 @@
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</Link>
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</ItemDefinitionGroup>
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<ItemGroup>
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<ClInclude Include="..\Include\Python-ast.h" />
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<ClInclude Include="..\Include\Python.h" />
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<ClInclude Include="..\Include\abstract.h" />
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<ClInclude Include="..\Include\asdl.h" />
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<ClInclude Include="..\Include\ast.h" />
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@ -165,8 +167,8 @@
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<ClInclude Include="..\Include\internal\pycore_abstract.h" />
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<ClInclude Include="..\Include\internal\pycore_accu.h" />
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<ClInclude Include="..\Include\internal\pycore_atomic.h" />
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<ClInclude Include="..\Include\internal\pycore_byteswap.h" />
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<ClInclude Include="..\Include\internal\pycore_bytes_methods.h" />
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<ClInclude Include="..\Include\internal\pycore_byteswap.h" />
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<ClInclude Include="..\Include\internal\pycore_call.h" />
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<ClInclude Include="..\Include\internal\pycore_ceval.h" />
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<ClInclude Include="..\Include\internal\pycore_code.h" />
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@ -214,7 +216,6 @@
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<ClInclude Include="..\Include\parsetok.h" />
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<ClInclude Include="..\Include\patchlevel.h" />
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<ClInclude Include="..\Include\picklebufobject.h" />
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<ClInclude Include="..\Include\pyhash.h" />
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<ClInclude Include="..\Include\py_curses.h" />
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<ClInclude Include="..\Include\pyarena.h" />
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<ClInclude Include="..\Include\pycapsule.h" />
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@ -223,20 +224,20 @@
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<ClInclude Include="..\Include\pyerrors.h" />
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<ClInclude Include="..\Include\pyexpat.h" />
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<ClInclude Include="..\Include\pyfpe.h" />
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<ClInclude Include="..\Include\pyframe.h" />
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<ClInclude Include="..\Include\pyhash.h" />
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<ClInclude Include="..\Include\pylifecycle.h" />
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<ClInclude Include="..\Include\pymath.h" />
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<ClInclude Include="..\Include\pytime.h" />
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<ClInclude Include="..\Include\pymacro.h" />
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<ClInclude Include="..\Include\pymath.h" />
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<ClInclude Include="..\Include\pymem.h" />
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<ClInclude Include="..\Include\pyport.h" />
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<ClInclude Include="..\Include\pystate.h" />
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<ClInclude Include="..\Include\pystrcmp.h" />
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<ClInclude Include="..\Include\pystrtod.h" />
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<ClInclude Include="..\Include\pystrhex.h" />
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<ClInclude Include="..\Include\Python-ast.h" />
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<ClInclude Include="..\Include\Python.h" />
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<ClInclude Include="..\Include\pystrtod.h" />
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<ClInclude Include="..\Include\pythonrun.h" />
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<ClInclude Include="..\Include\pythread.h" />
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<ClInclude Include="..\Include\pytime.h" />
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<ClInclude Include="..\Include\rangeobject.h" />
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<ClInclude Include="..\Include\setobject.h" />
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<ClInclude Include="..\Include\sliceobject.h" />
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@ -249,6 +249,9 @@
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<ClInclude Include="..\Include\internal\pycore_pyerrors.h">
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<Filter>Include</Filter>
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</ClInclude>
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<ClInclude Include="..\Include\internal\pycore_pyframe.h">
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<Filter>Include</Filter>
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</ClInclude>
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<ClInclude Include="..\Include\internal\pycore_pyhash.h">
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<Filter>Include</Filter>
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</ClInclude>
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