1 files changed, 49 insertions, 0 deletions
diff --git a/clang-tools-extra/clang-tidy/cert/StaticObjectExceptionCheck.cpp b/clang-tools-extra/clang-tidy/cert/StaticObjectExceptionCheck.cpp
new file mode 100644
index 00000000000..89b8b0398d5
--- /dev/null
+++ b/clang-tools-extra/clang-tidy/cert/StaticObjectExceptionCheck.cpp
@@ -0,0 +1,49 @@
+//===--- StaticObjectExceptionCheck.cpp - clang-tidy-----------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "StaticObjectExceptionCheck.h"
+#include "../utils/Matchers.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+
+using namespace clang::ast_matchers;
+
+namespace clang {
+namespace tidy {
+
+void StaticObjectExceptionCheck::registerMatchers(MatchFinder *Finder) {
+  if (!getLangOpts().CPlusPlus)
+    return;
+
+  // Match any static or thread_local variable declaration that is initialized
+  // with a constructor that can throw.
+  Finder->addMatcher(
+      varDecl(anyOf(hasThreadStorageDuration(), hasStaticStorageDuration()),
+              hasInitializer(cxxConstructExpr(hasDeclaration(
+                  cxxConstructorDecl(unless(matchers::isNoThrow()))
+                      .bind("ctor")))))
+          .bind("var"),
+      this);
+}
+
+void StaticObjectExceptionCheck::check(const MatchFinder::MatchResult &Result) {
+  const auto *VD = Result.Nodes.getNodeAs<VarDecl>("var");
+  const auto *Ctor = Result.Nodes.getNodeAs<CXXConstructorDecl>("ctor");
+
+  diag(VD->getLocation(),
+       "construction of %0 with %select{static|thread_local}1 storage "
+       "duration may throw an exception that cannot be caught")
+      << VD << (VD->getStorageDuration() == SD_Static ? 0 : 1);
+  diag(Ctor->getLocation(), "possibly throwing constructor declared here",
+       DiagnosticIDs::Note);
+}
+
+} // namespace tidy
+} // namespace clang
+