Update clang-tidy. (#10730)

- Install cmake using pip.
- Fix compile command generation.
- Clean up the tidy script and remove the need to load the yaml file.
- Fix modernized type traits.
- Fix span class. Polymorphism support is dropped

tests/cpp/data/test_adapter.cc

@@ -93,11 +93,11 @@ TEST(Adapter, CSCAdapterColsMoreThanRows) {
 
 // A mock for JVM data iterator.
 class CSRIterForTest {
-  std::vector<float> data_ {1, 2, 3, 4, 5};
-  std::vector<std::remove_pointer<decltype(std::declval<XGBoostBatchCSR>().index)>::type>
-      feature_idx_ {0, 1, 0, 1, 1};
-  std::vector<std::remove_pointer<decltype(std::declval<XGBoostBatchCSR>().offset)>::type>
-      row_ptr_ {0, 2, 4, 5, 5};
+  std::vector<float> data_{1, 2, 3, 4, 5};
+  std::vector<std::remove_pointer_t<decltype(std::declval<XGBoostBatchCSR>().index)>> feature_idx_{
+      0, 1, 0, 1, 1};
+  std::vector<std::remove_pointer_t<decltype(std::declval<XGBoostBatchCSR>().offset)>> row_ptr_{
+      0, 2, 4, 5, 5};
   size_t iter_ {0};
 
  public:

tests/cpp/data/test_sparse_page_dmatrix.cc

@@ -49,7 +49,7 @@ void TestSparseDMatrixLoadFile(Context const* ctx) {
                              1};
   Page out;
   for (auto const &page : m.GetBatches<Page>(ctx)) {
-    if (std::is_same<Page, SparsePage>::value) {
+    if (std::is_same_v<Page, SparsePage>) {
       out.Push(page);
     } else {
       out.PushCSC(page);
@@ -89,7 +89,7 @@ void TestRetainPage() {
   for (auto it = begin; it != end; ++it) {
     iterators.push_back(it.Page());
     pages.emplace_back(Page{});
-    if (std::is_same<Page, SparsePage>::value) {
+    if (std::is_same_v<Page, SparsePage>) {
       pages.back().Push(*it);
     } else {
       pages.back().PushCSC(*it);
@@ -105,7 +105,7 @@ void TestRetainPage() {
 
   // make sure it's const and the caller can not modify the content of page.
   for (auto &page : p_fmat->GetBatches<Page>({&ctx})) {
-    static_assert(std::is_const<std::remove_reference_t<decltype(page)>>::value);
+    static_assert(std::is_const_v<std::remove_reference_t<decltype(page)>>);
   }
 }
 

tests/cpp/data/test_sparse_page_dmatrix.cu

@@ -166,7 +166,7 @@ TEST(SparsePageDMatrix, RetainEllpackPage) {
 
   // make sure it's const and the caller can not modify the content of page.
   for (auto& page : m->GetBatches<EllpackPage>(&ctx, param)) {
-    static_assert(std::is_const<std::remove_reference_t<decltype(page)>>::value);
+    static_assert(std::is_const_v<std::remove_reference_t<decltype(page)>>);
   }
 
   // The above iteration clears out all references inside DMatrix.