From b9d565ac998fc857b20786bae08bb30719eb966b Mon Sep 17 00:00:00 2001 From: "Michael J. Spencer" Date: Wed, 15 Aug 2012 18:54:36 +0000 Subject: Add LLVM_DELETED_FUNCTION compatibility macro. This should replace uses of: class A { A(const &A); // DO NOT IMPLEMENT public: ... }; git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161975 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Support/Compiler.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'include') diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h index f654f32..4469ae3 100644 --- a/include/llvm/Support/Compiler.h +++ b/include/llvm/Support/Compiler.h @@ -38,6 +38,25 @@ #define llvm_move(value) (value) #endif +/// LLVM_DELETED_FUNCTION - Expands to = delete if the compiler supports it. +/// Use to mark functions as uncallable. Member functions with this should +/// be declared private so that some behaivor is kept in C++03 mode. +/// +/// class DontCopy { +/// private: +/// DontCopy(const DontCopy&) LLVM_DELETED_FUNCTION; +/// DontCopy &operator =(const DontCopy&) LLVM_DELETED_FUNCTION; +/// public: +/// ... +/// }; +#if (__has_feature(cxx_deleted_functions) \ + || defined(__GXX_EXPERIMENTAL_CXX0X__)) + // No version of MSVC currently supports this. +#define LLVM_DELETED_FUNCTION = delete +#else +#define LLVM_DELETED_FUNCTION +#endif + /// LLVM_LIBRARY_VISIBILITY - If a class marked with this attribute is linked /// into a shared library, then the class should be private to the library and /// not accessible from outside it. Can also be used to mark variables and -- cgit v1.1