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Add LLVM_DELETED_FUNCTION compatibility macro.

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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
This commit is contained in:
Michael J. Spencer 2012-08-15 18:54:36 +00:00
parent 58aae3841c
commit b9d565ac99
1 changed files with 19 additions and 0 deletions
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19
include/llvm/Support/Compiler.h
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@ -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