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authorDimitry Andric <dim@FreeBSD.org>2012-08-19 10:31:50 +0000
committerDimitry Andric <dim@FreeBSD.org>2012-08-19 10:31:50 +0000
commit902a7b529820e6a0aa85f98f21afaeb1805a22f8 (patch)
treee7da40d2f6ef824f7371860826845870e6e1dcd5 /include/llvm/Support/Compiler.h
parent58b69754af0cbff56b1cfce9be9392e4451f6628 (diff)
Diffstat (limited to 'include/llvm/Support/Compiler.h')
-rw-r--r--include/llvm/Support/Compiler.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h
index f654f327a923a..4469ae31de096 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