forked from OSchip/llvm-project
116 lines
4.6 KiB
C++
116 lines
4.6 KiB
C++
// RUN: %check_clang_tidy -std=c++20 -check-suffixes=,RANGES %s modernize-loop-convert %t
|
|
|
|
// RUN: %check_clang_tidy -check-suffixes=,CUSTOM,CUSTOM-NO-SYS %s modernize-loop-convert %t -- \
|
|
// RUN: -config="{CheckOptions: [ \
|
|
// RUN: {key: modernize-loop-convert.MakeReverseRangeFunction, value: 'llvm::reverse'}, \
|
|
// RUN: {key: modernize-loop-convert.MakeReverseRangeHeader, value: 'llvm/ADT/STLExtras.h'}]}"
|
|
|
|
// RUN: %check_clang_tidy -check-suffixes=,CUSTOM,CUSTOM-SYS %s modernize-loop-convert %t -- \
|
|
// RUN: -config="{CheckOptions: [ \
|
|
// RUN: {key: modernize-loop-convert.MakeReverseRangeFunction, value: 'llvm::reverse'}, \
|
|
// RUN: {key: modernize-loop-convert.MakeReverseRangeHeader, value: '<llvm/ADT/STLExtras.h>'}]}"
|
|
|
|
// RUN: %check_clang_tidy -check-suffixes=,CUSTOM,CUSTOM-NO-HEADER %s modernize-loop-convert %t -- \
|
|
// RUN: -config="{CheckOptions: [ \
|
|
// RUN: {key: modernize-loop-convert.MakeReverseRangeFunction, value: 'llvm::reverse'}]}"
|
|
|
|
// Ensure the check doesn't transform reverse loops when not in c++20 mode or
|
|
// when UseCxx20ReverseRanges has been disabled
|
|
// RUN: clang-tidy %s -checks=-*,modernize-loop-convert -- -std=c++17 | count 0
|
|
|
|
// RUN: clang-tidy %s -checks=-*,modernize-loop-convert -config="{CheckOptions: \
|
|
// RUN: [{key: modernize-loop-convert.UseCxx20ReverseRanges, value: 'false'}] \
|
|
// RUN: }" -- -std=c++20 | count 0
|
|
|
|
// Ensure we get a warning if we supply the header argument without the
|
|
// function argument.
|
|
// RUN: clang-tidy %s -checks=-*,modernize-loop-convert -config="{CheckOptions: [ \
|
|
// RUN: {key: modernize-loop-convert.MakeReverseRangeHeader, value: 'llvm/ADT/STLExtras.h'}]}" \
|
|
// RUN: -- -std=c++17 2>&1 \
|
|
// RUN: | FileCheck %s -check-prefix=CHECK-HEADER-NO-FUNC \
|
|
// RUN: -implicit-check-not="{{warning|error}}:"
|
|
|
|
// CHECK-HEADER-NO-FUNC: warning: modernize-loop-convert: 'MakeReverseRangeHeader' is set but 'MakeReverseRangeFunction' is not, disabling reverse loop transformation
|
|
|
|
// Make sure appropiate headers are included
|
|
// CHECK-FIXES-RANGES: #include <ranges>
|
|
// CHECK-FIXES-CUSTOM-NO-SYS: #include "llvm/ADT/STLExtras.h"
|
|
// CHECK-FIXES-CUSTOM-SYS: #include <llvm/ADT/STLExtras.h>
|
|
|
|
// Make sure no header is included in this example
|
|
// CHECK-FIXES-CUSTOM-NO-HEADER-NOT: #include
|
|
|
|
template <typename T>
|
|
struct Reversable {
|
|
using iterator = T *;
|
|
using const_iterator = const T *;
|
|
|
|
iterator begin();
|
|
iterator end();
|
|
iterator rbegin();
|
|
iterator rend();
|
|
|
|
const_iterator begin() const;
|
|
const_iterator end() const;
|
|
const_iterator rbegin() const;
|
|
const_iterator rend() const;
|
|
|
|
const_iterator cbegin() const;
|
|
const_iterator cend() const;
|
|
const_iterator crbegin() const;
|
|
const_iterator crend() const;
|
|
};
|
|
|
|
template <typename T>
|
|
void observe(const T &);
|
|
template <typename T>
|
|
void mutate(T &);
|
|
|
|
void constContainer(const Reversable<int> &Numbers) {
|
|
for (auto I = Numbers.rbegin(), E = Numbers.rend(); I != E; ++I) {
|
|
observe(*I);
|
|
}
|
|
// CHECK-MESSAGES: :[[@LINE-3]]:3: warning: use range-based for loop instead
|
|
// CHECK-FIXES-RANGES: for (int Number : std::ranges::reverse_view(Numbers)) {
|
|
// CHECK-FIXES-CUSTOM: for (int Number : llvm::reverse(Numbers)) {
|
|
// CHECK-FIXES-NEXT: observe(Number);
|
|
// CHECK-FIXES-NEXT: }
|
|
|
|
for (auto I = Numbers.crbegin(), E = Numbers.crend(); I != E; ++I) {
|
|
observe(*I);
|
|
}
|
|
// CHECK-MESSAGES: :[[@LINE-3]]:3: warning: use range-based for loop instead
|
|
// CHECK-FIXES-RANGES: for (int Number : std::ranges::reverse_view(Numbers)) {
|
|
// CHECK-FIXES-CUSTOM: for (int Number : llvm::reverse(Numbers)) {
|
|
// CHECK-FIXES-NEXT: observe(Number);
|
|
// CHECK-FIXES-NEXT: }
|
|
|
|
// Ensure these bad loops aren't transformed.
|
|
for (auto I = Numbers.rbegin(), E = Numbers.end(); I != E; ++I) {
|
|
observe(*I);
|
|
}
|
|
for (auto I = Numbers.begin(), E = Numbers.rend(); I != E; ++I) {
|
|
observe(*I);
|
|
}
|
|
}
|
|
|
|
void nonConstContainer(Reversable<int> &Numbers) {
|
|
for (auto I = Numbers.rbegin(), E = Numbers.rend(); I != E; ++I) {
|
|
mutate(*I);
|
|
}
|
|
// CHECK-MESSAGES: :[[@LINE-3]]:3: warning: use range-based for loop instead
|
|
// CHECK-FIXES-RANGES: for (int & Number : std::ranges::reverse_view(Numbers)) {
|
|
// CHECK-FIXES-CUSTOM: for (int & Number : llvm::reverse(Numbers)) {
|
|
// CHECK-FIXES-NEXT: mutate(Number);
|
|
// CHECK-FIXES-NEXT: }
|
|
|
|
for (auto I = Numbers.crbegin(), E = Numbers.crend(); I != E; ++I) {
|
|
observe(*I);
|
|
}
|
|
// CHECK-MESSAGES: :[[@LINE-3]]:3: warning: use range-based for loop instead
|
|
// CHECK-FIXES-RANGES: for (int Number : std::ranges::reverse_view(Numbers)) {
|
|
// CHECK-FIXES-CUSTOM: for (int Number : llvm::reverse(Numbers)) {
|
|
// CHECK-FIXES-NEXT: observe(Number);
|
|
// CHECK-FIXES-NEXT: }
|
|
}
|