| 1 | // RUN: %check_clang_tidy %s misc-misplaced-const %t -- -- -DUSING |
| 2 | // RUN: %check_clang_tidy %s misc-misplaced-const %t -- -- -DTYPEDEF |
| 3 | |
| 4 | #ifdef TYPEDEF |
| 5 | typedef int int_; |
| 6 | typedef int *ptr_to_int; |
| 7 | typedef const int *ptr_to_const_int; |
| 8 | #endif |
| 9 | #ifdef USING |
| 10 | using int_ = int; |
| 11 | using ptr_to_int = int *; |
| 12 | using ptr_to_const_int = const int *; |
| 13 | #endif |
| 14 | |
| 15 | void const_pointers() { |
| 16 | if (const int *i = 0) { |
| 17 | i = 0; |
| 18 | // *i = 0; |
| 19 | } |
| 20 | |
| 21 | if (const int_ *i = 0) { |
| 22 | i = 0; |
| 23 | // *i = 0; |
| 24 | } |
| 25 | |
| 26 | if (const ptr_to_const_int i = 0) { |
| 27 | // i = 0; |
| 28 | // *i = 0; |
| 29 | } |
| 30 | |
| 31 | // Potentially quite unexpectedly the int can be modified here |
| 32 | // CHECK-MESSAGES: :[[@LINE+1]]:24: warning: 'i' declared with a const-qualified {{.*}}; results in the type being 'int *const' instead of 'const int *' |
| 33 | if (const ptr_to_int i = 0) { |
| 34 | //i = 0; |
| 35 | |
| 36 | *i = 0; |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | template <typename Ty> |
| 41 | struct S { |
| 42 | const Ty *i; |
| 43 | const Ty &i2; |
| 44 | }; |
| 45 | |
| 46 | template struct S<int>; |
| 47 | template struct S<ptr_to_int>; // ok |
| 48 | template struct S<ptr_to_const_int>; |
| 49 | |
| 50 | template <typename Ty> |
| 51 | struct U { |
| 52 | const Ty *i; |
| 53 | const Ty &i2; |
| 54 | }; |
| 55 | |
| 56 | template struct U<int *>; // ok |
| 57 | |
| 58 | struct T { |
| 59 | typedef void (T::*PMF)(); |
| 60 | |
| 61 | void f() { |
| 62 | const PMF val = &T::f; // ok |
| 63 | } |
| 64 | }; |
| 65 | |