struct Data1; struct Data1 { int val; Data1 *ptrval; int arr[3]; }; struct Data2 : public Data1 { }; int k; void paranuckerInternalTest(const char *action, const char *collection, const char *values); class Object1 { Data1 *tmp1; Data1 *tmp2; Data1 *getData() { return tmp1; } void func1(Data1 *ptr1) { paranuckerInternalTest("=", "knownVars", "ptr1"); paranuckerInternalTest("=", "knownNonNullVars", ""); paranuckerInternalTest("=", "knownNullVars", ""); paranuckerInternalTest("=", "needCheckNullVars", "ptr1"); // null || 9 -> return // null || 10 -> return // 123 || 9 -> continue // 123 || 10 -> return if (!ptr1 || ptr1->val == 10) { paranuckerInternalTest("=", "knownVars", "ptr1"); paranuckerInternalTest("=", "knownNonNullVars", ""); paranuckerInternalTest("=", "knownNullVars", ""); paranuckerInternalTest("=", "needCheckNullVars", "ptr1"); return; } else { paranuckerInternalTest("=", "knownVars", "ptr1"); paranuckerInternalTest("=", "knownNonNullVars", "ptr1"); paranuckerInternalTest("=", "knownNullVars", ""); paranuckerInternalTest("=", "needCheckNullVars", ""); } paranuckerInternalTest("=", "knownVars", "ptr1"); paranuckerInternalTest("=", "knownNonNullVars", "ptr1"); paranuckerInternalTest("=", "knownNullVars", ""); paranuckerInternalTest("=", "needCheckNullVars", ""); } void func2(Data1 *ptr1) { paranuckerInternalTest("=", "knownVars", "ptr1"); paranuckerInternalTest("=", "knownNonNullVars", ""); paranuckerInternalTest("=", "knownNullVars", ""); paranuckerInternalTest("=", "needCheckNullVars", "ptr1"); // null && 9 -> continue // null && 10 -> return // 123 && 9 -> continue // 123 && 10 -> continue if (!ptr1 && ptr1->val == 10) { paranuckerInternalTest("=", "knownVars", "ptr1"); paranuckerInternalTest("=", "knownNonNullVars", ""); paranuckerInternalTest("=", "knownNullVars", "ptr1"); paranuckerInternalTest("=", "needCheckNullVars", "ptr1"); return; } else { paranuckerInternalTest("=", "knownVars", "ptr1"); paranuckerInternalTest("=", "knownNonNullVars", ""); paranuckerInternalTest("=", "knownNullVars", ""); paranuckerInternalTest("=", "needCheckNullVars", "ptr1"); } paranuckerInternalTest("=", "knownVars", "ptr1"); paranuckerInternalTest("=", "knownNonNullVars", ""); paranuckerInternalTest("=", "knownNullVars", ""); paranuckerInternalTest("=", "needCheckNullVars", "ptr1"); } void func3(Data1 *ptr1) { paranuckerInternalTest("=", "knownVars", "ptr1"); paranuckerInternalTest("=", "knownNonNullVars", ""); paranuckerInternalTest("=", "knownNullVars", ""); paranuckerInternalTest("=", "needCheckNullVars", "ptr1"); // null && 9 -> continue // null && 10 -> continue // 123 && 9 -> continue // 123 && 10 -> return if (ptr1 && ptr1->val == 10) { paranuckerInternalTest("=", "knownVars", "ptr1"); paranuckerInternalTest("=", "knownNonNullVars", "ptr1"); paranuckerInternalTest("=", "knownNullVars", ""); paranuckerInternalTest("=", "needCheckNullVars", ""); return; } else { paranuckerInternalTest("=", "knownVars", "ptr1"); paranuckerInternalTest("=", "knownNonNullVars", ""); paranuckerInternalTest("=", "knownNullVars", ""); paranuckerInternalTest("=", "needCheckNullVars", "ptr1"); } paranuckerInternalTest("=", "knownVars", "ptr1"); paranuckerInternalTest("=", "knownNonNullVars", ""); paranuckerInternalTest("=", "knownNullVars", ""); paranuckerInternalTest("=", "needCheckNullVars", "ptr1"); } void func4(Data1 *ptr1, Data1 *ptr2) __attribute__((nonnull (3))) { paranuckerInternalTest("=", "knownVars", "ptr1 ptr2"); paranuckerInternalTest("=", "knownNonNullVars", "ptr2"); paranuckerInternalTest("=", "knownNullVars", ""); paranuckerInternalTest("=", "needCheckNullVars", "ptr1"); if (!ptr2) return; paranuckerInternalTest("=", "knownVars", "ptr1 ptr2"); paranuckerInternalTest("=", "knownNonNullVars", "ptr2"); paranuckerInternalTest("=", "knownNullVars", ""); paranuckerInternalTest("=", "needCheckNullVars", "ptr1"); } };