| 1 | // RUN: %check_clang_tidy --match-partial-fixes %s misc-const-correctness %t \ |
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| 2 | // RUN: -config='{CheckOptions: \ |
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| 3 | // RUN: {misc-const-correctness.AnalyzeValues: true,\ |
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| 4 | // RUN: misc-const-correctness.WarnPointersAsValues: true,\ |
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| 5 | // RUN: misc-const-correctness.WarnPointersAsPointers: false,\ |
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| 6 | // RUN: misc-const-correctness.TransformPointersAsValues: true}}' \ |
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| 7 | // RUN: -- -fno-delayed-template-parsing |
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| 8 | |
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| 9 | void potential_const_pointer() { |
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| 10 | double np_local0[10] = {0., 1., 2., 3., 4., 5., 6., 7., 8., 9.}; |
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| 11 | double *p_local0 = &np_local0[1]; |
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| 12 | // CHECK-MESSAGES: [[@LINE-1]]:3: warning: variable 'p_local0' of type 'double *' can be declared 'const' |
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| 13 | // CHECK-FIXES: double *const p_local0 |
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| 14 | |
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| 15 | using doublePtr = double*; |
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| 16 | using doubleArray = double[15]; |
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| 17 | doubleArray np_local1; |
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| 18 | doublePtr p_local1 = &np_local1[0]; |
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| 19 | // CHECK-MESSAGES: [[@LINE-1]]:3: warning: variable 'p_local1' of type 'doublePtr' (aka 'double *') can be declared 'const' |
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| 20 | // CHECK-FIXES: doublePtr const p_local1 |
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| 21 | } |
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| 22 | |
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| 23 | void range_for() { |
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| 24 | int np_local0[2] = {1, 2}; |
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| 25 | int *p_local0[2] = {&np_local0[0], &np_local0[1]}; |
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| 26 | // CHECK-MESSAGES: [[@LINE-1]]:3: warning: variable 'p_local0' of type 'int *[2]' can be declared 'const' |
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| 27 | // CHECK-FIXES: int *const p_local0[2] |
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| 28 | for (const int *p_local1 : p_local0) { |
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| 29 | // CHECK-MESSAGES: [[@LINE-1]]:8: warning: variable 'p_local1' of type 'const int *' can be declared 'const' |
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| 30 | // CHECK-FIXES: for (const int *const p_local1 : p_local0) |
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| 31 | } |
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| 32 | |
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| 33 | int *p_local2[2] = {nullptr, nullptr}; |
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| 34 | // CHECK-MESSAGES: [[@LINE-1]]:3: warning: variable 'p_local2' of type 'int *[2]' can be declared 'const' |
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| 35 | // CHECK-FIXES: int *const p_local2[2] |
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| 36 | for (const auto *con_ptr : p_local2) { |
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| 37 | } |
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| 38 | |
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| 39 | } |
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| 40 | |
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| 41 | template <typename T> |
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| 42 | struct SmallVectorBase { |
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| 43 | T data[4]; |
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| 44 | void push_back(const T &el) {} |
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| 45 | int size() const { return 4; } |
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| 46 | T *begin() { return data; } |
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| 47 | const T *begin() const { return data; } |
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| 48 | T *end() { return data + 4; } |
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| 49 | const T *end() const { return data + 4; } |
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| 50 | }; |
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| 51 | |
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| 52 | template <typename T> |
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| 53 | struct SmallVector : SmallVectorBase<T> {}; |
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| 54 | |
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| 55 | template <class T> |
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| 56 | void EmitProtocolMethodList(T &&Methods) { |
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| 57 | // Note: If the template is uninstantiated the analysis does not figure out, |
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| 58 | // that p_local0 could be const. Not sure why, but probably bails because |
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| 59 | // some expressions are type-dependent. |
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| 60 | SmallVector<const int *> p_local0; |
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| 61 | // CHECK-MESSAGES: [[@LINE-1]]:3: warning: variable 'p_local0' of type 'SmallVector<const int *>' can be declared 'const' |
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| 62 | // CHECK-FIXES: SmallVector<const int *> const p_local0 |
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| 63 | SmallVector<const int *> np_local0; |
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| 64 | for (const auto *I : Methods) { |
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| 65 | if (I == nullptr) |
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| 66 | np_local0.push_back(el: I); |
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| 67 | } |
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| 68 | p_local0.size(); |
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| 69 | } |
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| 70 | void instantiate() { |
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| 71 | int *p_local0[4] = {nullptr, nullptr, nullptr, nullptr}; |
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| 72 | // CHECK-MESSAGES: [[@LINE-1]]:3: warning: variable 'p_local0' of type 'int *[4]' can be declared 'const' |
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| 73 | // CHECK-FIXES: int *const p_local0[4] |
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| 74 | EmitProtocolMethodList(Methods&: p_local0); |
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| 75 | } |
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| 76 | |
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