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authorEelco Dolstra <eelco.dolstra@logicblox.com>2014-10-03T19·29+0200
committerEelco Dolstra <eelco.dolstra@logicblox.com>2014-10-03T19·29+0200
commit3b5fa8d50cd7e4db0691884effcbdc7809ad9ed9 (patch)
tree1aef7d220f01871ae2b5e0d49a585f966d321ccf /src/libexpr/names.hh
parent104e55bb7f593b1ac3c54ffda48a9d72af7fbe6b (diff)
Don't recompile the same regex over and over
Diffstat (limited to 'src/libexpr/names.hh')
-rw-r--r--src/libexpr/names.hh6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/libexpr/names.hh b/src/libexpr/names.hh
index ebe113e82ac1..4b3dcddf70d7 100644
--- a/src/libexpr/names.hh
+++ b/src/libexpr/names.hh
@@ -1,6 +1,9 @@
 #pragma once
 
+#include <memory>
+
 #include "types.hh"
+#include "regex.hh"
 
 namespace nix {
 
@@ -14,6 +17,9 @@ struct DrvName
     DrvName();
     DrvName(const string & s);
     bool matches(DrvName & n);
+
+private:
+    std::shared_ptr<Regex> regex;
 };
 
 typedef list<DrvName> DrvNames;