Export clang-format16 via ydblib project

6e6be3a95868fde888d801b7590af4044049563f

1 files changed, 82 insertions, 0 deletions

diff --git a/contrib/libs/clang16/tools/extra/clang-tidy/abseil/DurationConversionCastCheck.cpp b/contrib/libs/clang16/tools/extra/clang-tidy/abseil/DurationConversionCastCheck.cpp
new file mode 100644
index 0000000000..869a0ec445
--- /dev/null
+++ b/contrib/libs/clang16/tools/extra/clang-tidy/abseil/DurationConversionCastCheck.cpp
@@ -0,0 +1,82 @@
+//===--- DurationConversionCastCheck.cpp - clang-tidy ---------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "DurationConversionCastCheck.h"
+#include "DurationRewriter.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/Tooling/FixIt.h"
+#include <optional>
+
+using namespace clang::ast_matchers;
+
+namespace clang::tidy::abseil {
+
+void DurationConversionCastCheck::registerMatchers(MatchFinder *Finder) {
+  auto CallMatcher = ignoringImpCasts(callExpr(
+      callee(functionDecl(DurationConversionFunction()).bind("func_decl")),
+      hasArgument(0, expr().bind("arg"))));
+
+  Finder->addMatcher(
+      expr(anyOf(
+          cxxStaticCastExpr(hasSourceExpression(CallMatcher)).bind("cast_expr"),
+          cStyleCastExpr(hasSourceExpression(CallMatcher)).bind("cast_expr"),
+          cxxFunctionalCastExpr(hasSourceExpression(CallMatcher))
+              .bind("cast_expr"))),
+      this);
+}
+
+void DurationConversionCastCheck::check(
+    const MatchFinder::MatchResult &Result) {
+  const auto *MatchedCast =
+      Result.Nodes.getNodeAs<ExplicitCastExpr>("cast_expr");
+
+  if (isInMacro(Result, MatchedCast))
+    return;
+
+  const auto *FuncDecl = Result.Nodes.getNodeAs<FunctionDecl>("func_decl");
+  const auto *Arg = Result.Nodes.getNodeAs<Expr>("arg");
+  StringRef ConversionFuncName = FuncDecl->getName();
+
+  std::optional<DurationScale> Scale =
+      getScaleForDurationInverse(ConversionFuncName);
+  if (!Scale)
+    return;
+
+  // Casting a double to an integer.
+  if (MatchedCast->getTypeAsWritten()->isIntegerType() &&
+      ConversionFuncName.contains("Double")) {
+    llvm::StringRef NewFuncName = getDurationInverseForScale(*Scale).second;
+
+    diag(MatchedCast->getBeginLoc(),
+         "duration should be converted directly to an integer rather than "
+         "through a type cast")
+        << FixItHint::CreateReplacement(
+               MatchedCast->getSourceRange(),
+               (llvm::Twine(NewFuncName.substr(2)) + "(" +
+                tooling::fixit::getText(*Arg, *Result.Context) + ")")
+                   .str());
+  }
+
+  // Casting an integer to a double.
+  if (MatchedCast->getTypeAsWritten()->isRealFloatingType() &&
+      ConversionFuncName.contains("Int64")) {
+    llvm::StringRef NewFuncName = getDurationInverseForScale(*Scale).first;
+
+    diag(MatchedCast->getBeginLoc(), "duration should be converted directly to "
+                                     "a floating-point number rather than "
+                                     "through a type cast")
+        << FixItHint::CreateReplacement(
+               MatchedCast->getSourceRange(),
+               (llvm::Twine(NewFuncName.substr(2)) + "(" +
+                tooling::fixit::getText(*Arg, *Result.Context) + ")")
+                   .str());
+  }
+}
+
+} // namespace clang::tidy::abseil