1  /*[clinic input]
       2  preserve
       3  [clinic start generated code]*/
       4  
       5  #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
       6  #  include "pycore_gc.h"            // PyGC_Head
       7  #  include "pycore_runtime.h"       // _Py_ID()
       8  #endif
       9  
      10  
      11  PyDoc_STRVAR(tb_new__doc__,
      12  "TracebackType(tb_next, tb_frame, tb_lasti, tb_lineno)\n"
      13  "--\n"
      14  "\n"
      15  "Create a new traceback object.");
      16  
      17  static PyObject *
      18  tb_new_impl(PyTypeObject *type, PyObject *tb_next, PyFrameObject *tb_frame,
      19              int tb_lasti, int tb_lineno);
      20  
      21  static PyObject *
      22  tb_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
      23  {
      24      PyObject *return_value = NULL;
      25      #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
      26  
      27      #define NUM_KEYWORDS 4
      28      static struct {
      29          PyGC_Head _this_is_not_used;
      30          PyObject_VAR_HEAD
      31          PyObject *ob_item[NUM_KEYWORDS];
      32      } _kwtuple = {
      33          .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
      34          .ob_item = { &_Py_ID(tb_next), &_Py_ID(tb_frame), &_Py_ID(tb_lasti), &_Py_ID(tb_lineno), },
      35      };
      36      #undef NUM_KEYWORDS
      37      #define KWTUPLE (&_kwtuple.ob_base.ob_base)
      38  
      39      #else  // !Py_BUILD_CORE
      40      #  define KWTUPLE NULL
      41      #endif  // !Py_BUILD_CORE
      42  
      43      static const char * const _keywords[] = {"tb_next", "tb_frame", "tb_lasti", "tb_lineno", NULL};
      44      static _PyArg_Parser _parser = {
      45          .keywords = _keywords,
      46          .fname = "TracebackType",
      47          .kwtuple = KWTUPLE,
      48      };
      49      #undef KWTUPLE
      50      PyObject *argsbuf[4];
      51      PyObject * const *fastargs;
      52      Py_ssize_t nargs = PyTuple_GET_SIZE(args);
      53      PyObject *tb_next;
      54      PyFrameObject *tb_frame;
      55      int tb_lasti;
      56      int tb_lineno;
      57  
      58      fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 4, 4, 0, argsbuf);
      59      if (!fastargs) {
      60          goto exit;
      61      }
      62      tb_next = fastargs[0];
      63      if (!PyObject_TypeCheck(fastargs[1], &PyFrame_Type)) {
      64          _PyArg_BadArgument("TracebackType", "argument 'tb_frame'", (&PyFrame_Type)->tp_name, fastargs[1]);
      65          goto exit;
      66      }
      67      tb_frame = (PyFrameObject *)fastargs[1];
      68      tb_lasti = _PyLong_AsInt(fastargs[2]);
      69      if (tb_lasti == -1 && PyErr_Occurred()) {
      70          goto exit;
      71      }
      72      tb_lineno = _PyLong_AsInt(fastargs[3]);
      73      if (tb_lineno == -1 && PyErr_Occurred()) {
      74          goto exit;
      75      }
      76      return_value = tb_new_impl(type, tb_next, tb_frame, tb_lasti, tb_lineno);
      77  
      78  exit:
      79      return return_value;
      80  }
      81  /*[clinic end generated code: output=7bc9927e362fdfb7 input=a9049054013a1b77]*/