[llvm-branch-commits] [clang] [LifetimeSafety] Implement support for lifetimebound attribute (PR #158489)

[Gábor Horváth via llvm-branch-commits]

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@@ -0,0 +1,35 @@
+//===- LifetimeAnnotations.h -  -*--------------- C++--------------------*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+// Helper functions to inspect and infer lifetime annotations.
+//===----------------------------------------------------------------------===//
+#ifndef LLVM_CLANG_ANALYSIS_ANALYSES_LIFETIMEANNOTATIONS_H
+#define LLVM_CLANG_ANALYSIS_ANALYSES_LIFETIMEANNOTATIONS_H
+
+#include "clang/AST/DeclCXX.h"
+
+namespace clang {
+namespace lifetimes {
+
+const FunctionDecl *getDeclWithMergedLifetimeBoundAttrs(const FunctionDecl *FD);
+
+const CXXMethodDecl *
+getDeclWithMergedLifetimeBoundAttrs(const CXXMethodDecl *CMD);
+
+// Return true if this is an "normal" assignment operator.
+// We assume that a normal assignment operator always returns *this, that is,
+// an lvalue reference that is the same type as the implicit object parameter
+// (or the LHS for a non-member operator$=).
+bool isNormalAssignmentOperator(const FunctionDecl *FD);
+
+bool isAssignmentOperatorLifetimeBound(const CXXMethodDecl *CMD);
+
+bool implicitObjectParamIsLifetimeBound(const FunctionDecl *FD);
+} // namespace lifetimes
+} // namespace clang
+
+#endif // LLVM_CLANG_ANALYSIS_ANALYSES_LIFETIMEANNOTATIONS_H
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Xazax-hun wrote:

Nit: missing new line. 

https://github.com/llvm/llvm-project/pull/158489