BKE_assert(), only prints the error unless cmake define WITH_ASSERT_ABORT is enabled and it will call abort().

made this option advanced so people don't enable along with other features.

CMakeLists.txt

@@ -128,6 +128,9 @@ option(WITH_PYTHON_INSTALL       "Copy system python into the blender install fo
 option(WITH_CXX_GUARDEDALLOC "Enable GuardedAlloc for C++ memory allocation tracking" OFF)
 mark_as_advanced(WITH_CXX_GUARDEDALLOC)
 
+option(WITH_ASSERT_ABORT "Call abort() when raising an assertion through BKE_assert()" OFF)
+mark_as_advanced(WITH_ASSERT_ABORT)
+
 if(APPLE)
 	option(WITH_COCOA	  "Use Cocoa framework instead of deprecated Carbon" ON)
 	option(USE_QTKIT	  "Use QtKit instead of Carbon quicktime (needed for having partial quicktime for 64bit)" OFF)
@@ -1011,6 +1014,10 @@ if(WITH_CXX_GUARDEDALLOC)
 	set(CMAKE_CXX_FLAGS " -DWITH_CXX_GUARDEDALLOC -I${CMAKE_SOURCE_DIR}/intern/guardedalloc ${CMAKE_CXX_FLAGS}")
 endif()
 
+if(WITH_ASSERT_ABORT)
+	add_definitions(-DWITH_ASSERT_ABORT)
+endif()
+
 #-----------------------------------------------------------------------------
 # Libraries
 

source/blender/blenkernel/BKE_utildefines.h

@@ -54,6 +54,41 @@
 #  define UNUSED(x) UNUSED_ ## x
 #endif
 
+
+/* BKE_assert(), default only to print
+ * for aborting need to define WITH_ASSERT_ABORT */
+#if !defined NDEBUG
+#  ifdef WITH_ASSERT_ABORT
+#    define _dummy_abort abort
+#  else
+#    define _dummy_abort() (void)0
+#  endif
+#  ifdef __GNUC__ /* just want to check if __func__ is available */
+#    define BKE_assert(a) \
+do { \
+	if (0 == (a)) { \
+		fprintf(stderr, \
+			"BKE_assert failed: %s, %s(), %d at \'%s\'\n", \
+			__FILE__, __func__, __LINE__, STRINGIFY(a)); \
+		_dummy_abort(); \
+	} \
+} while (0)
+#  else
+#    define BKE_assert(a) \
+do { \
+	if (0 == (a)) { \
+		fprintf(stderr, \
+			"BKE_assert failed: %s, %d at \'%s\'\n", \
+			__FILE__, __LINE__, STRINGIFY(a)); \
+		_dummy_abort(); \
+	} \
+} while (0)
+#  endif
+#else
+#  define BKE_assert(a) (void)0
+#endif
+
+
 /* these values need to be hardcoded in structs, dna does not recognize defines */
 /* also defined in DNA_space_types.h */
 #ifndef FILE_MAXDIR

source/blender/python/intern/bpy_rna.c

@@ -72,7 +72,7 @@ static int rna_id_write_error(PointerRNA *ptr, PyObject *key)
 			else							pyname= "<UNKNOWN>";
 	
 			/* make a nice string error */
-			assert(idtype != NULL);
+			BKE_assert(idtype != NULL);
 			PyErr_Format(PyExc_RuntimeError, "Writing to ID classes in this context is not allowed: %.200s, %.200s datablock, error setting %.200s.%.200s", id->name+2, idtype, RNA_struct_identifier(ptr->type), pyname);
 	
 			return TRUE;
@@ -1544,7 +1544,8 @@ static PyObject *pyrna_prop_array_subscript_slice(BPy_PropertyArrayRNA *self, Po
 				break;
 			}
 		default:
-			/* probably will never happen */
+			BKE_assert(!"Invalid array type");
+
 			PyErr_SetString(PyExc_TypeError, "not an array type");
 			Py_DECREF(list);
 			list= NULL;
@@ -2678,6 +2679,8 @@ static PyObject *pyrna_struct_getattro( BPy_StructRNA *self, PyObject *pyname )
 					break;
 				default:
 					/* should never happen */
+					BKE_assert(!"Invalid context type");
+
 					PyErr_Format(PyExc_AttributeError, "bpy_struct: Context type invalid %d, can't get \"%.200s\" from context", newtype, name);
 					ret= NULL;
 				}
@@ -3306,6 +3309,7 @@ static PyObject *foreach_getset(BPy_PropertyRNA *self, PyObject *args, int set)
 					break;
 				case PROP_RAW_UNSET:
 					/* should never happen */
+					BKE_assert(!"Invalid array type - set");
 					break;
 				}
 
@@ -3360,6 +3364,7 @@ static PyObject *foreach_getset(BPy_PropertyRNA *self, PyObject *args, int set)
 					break;
 				case PROP_RAW_UNSET:
 					/* should never happen */
+					BKE_assert(!"Invalid array type - get");
 					break;
 				}
 
@@ -3717,6 +3722,8 @@ static PyObject * pyrna_func_call(PyObject *self, PyObject *args, PyObject *kw)
 	void *retdata_single= NULL;
 
 	/* Should never happen but it does in rare cases */
+	BKE_assert(self_ptr != NULL);
+
 	if(self_ptr==NULL) {
 		PyErr_SetString(PyExc_RuntimeError, "rna functions internal rna pointer is NULL, this is a bug. aborting");
 		return NULL;