Make llvm::Regex non-copyable but movable.

Based on a patch by Maciej Piechotka.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198334 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 14 insertions, 0 deletions

diff --git a/include/llvm/Support/Regex.h b/include/llvm/Support/Regex.h
index 21677dcfa1..5f1031ef36 100644
--- a/include/llvm/Support/Regex.h
+++ b/include/llvm/Support/Regex.h
@@ -17,6 +17,7 @@
 #ifndef LLVM_SUPPORT_REGEX_H
 #define LLVM_SUPPORT_REGEX_H
 
+#include "llvm/Support/Compiler.h"
 #include <string>
 
 struct llvm_regex;
@@ -45,6 +46,19 @@ namespace llvm {
 
     /// Compiles the given regular expression \p Regex.
     Regex(StringRef Regex, unsigned Flags = NoFlags);
+    Regex(const Regex &) LLVM_DELETED_FUNCTION;
+    Regex &operator=(Regex regex) {
+      std::swap(preg, regex.preg);
+      std::swap(error, regex.error);
+      return *this;
+    }
+#if LLVM_HAS_RVALUE_REFERENCES
+    Regex(Regex &&regex) {
+      preg = regex.preg;
+      error = regex.error;
+      regex.preg = NULL;
+    }
+#endif
     ~Regex();
 
     /// isValid - returns the error encountered during regex compilation, or