gcc/testsuite/gcc.dg/plugin/diagnostic-test-paths-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fdiagnostics-format=json" } */
   3
   4 #include <stddef.h>
   5 #include <stdlib.h>
   6
   7 /* Minimal reimplementation of cpython API.  */
   8 typedef struct PyObject {} PyObject;
   9 extern int PyArg_ParseTuple (PyObject *args, const char *fmt, ...);
  10 extern PyObject *PyList_New (int);
  11 extern PyObject *PyLong_FromLong(long);
  12 extern void PyList_Append(PyObject *list, PyObject *item);
  13
  14 PyObject *
  15 make_a_list_of_random_ints_badly(PyObject *self,
  16                                  PyObject *args)
  17 {
  18   PyObject *list, *item;
  19   long count, i;
  20
  21   if (!PyArg_ParseTuple(args, "i", &count)) {
  22     return NULL;
  23   }
  24
  25   list = PyList_New(0);
  26
  27   for (i = 0; i < count; i++) {
  28     item = PyLong_FromLong(random());
  29     PyList_Append(list, item);
  30   }
  31
  32   return list;
  33 }
  34
  35 /* { dg-begin-multiline-output "" }
  36 [{"kind": "error",
  37   "message": "passing NULL as argument 1 to 'PyList_Append' which requires a non-NULL parameter",
  38   "children": [],
  39   "column-origin": 1,
  40   "locations": [{"caret": {"file": "
  41                            "line": 29,
  42                            "display-column": 5,
  43                            "byte-column": 5,
  44                            "column": 5},
  45                  "finish": {"file": "
  46                             "line": 29,
  47                             "display-column": 29,
  48                             "byte-column": 29,
  49                             "column": 29}}],
  50   "path": [{"location": {"file": "
  51                          "line": 25,
  52                          "display-column": 10,
  53                          "byte-column": 10,
  54                          "column": 10},
  55             "description": "when 'PyList_New' fails, returning NULL",
  56             "function": "make_a_list_of_random_ints_badly",
  57             "depth": 0},
  58            {"location": {"file": "
  59                          "line": 27,
  60                          "display-column": 17,
  61                          "byte-column": 17,
  62                          "column": 17},
  63             "description": "when 'i < count'",
  64             "function": "make_a_list_of_random_ints_badly",
  65             "depth": 0},
  66            {"location": {"file": "
  67                          "line": 29,
  68                          "display-column": 5,
  69                          "byte-column": 5,
  70                          "column": 5},
  71             "description": "when calling 'PyList_Append', passing NULL from (1) as argument 1",
  72             "function": "make_a_list_of_random_ints_badly",
  73             "depth": 0}],
  74   "escape-source": false}]
  75 { dg-end-multiline-output "" } */