A language security tool called Hammer is added

pkgs/development/tools/parsing/hammer/default.nix

@@ -0,0 +1,29 @@
+{ stdenv, fetchgit, glib, pkgconfig, python, scons, pythonPackages }:
+
+stdenv.mkDerivation rec {
+  name = "hammer-${version}";
+  version = "e7aa734";
+
+  src = fetchgit {
+    url = "git://github.com/UpstandingHackers/hammer";
+    sha256 = "1v8f2a6bgjgdkhbqz751bqjlwb9lmqn5x63xcskwcl2b9n36vqi9";
+    rev = "e7aa73446e23f4af2fce5f88572aae848f212c16";
+  };
+
+  buildInputs = [ glib pkgconfig python scons ];
+  buildPhase = "scons prefix=$out";
+  installPhase = "scons prefix=$out install";
+
+  meta = with stdenv.lib; {
+    description = "Hammer is a parsing library";
+    longDescription = "Hammer is a parsing library. Like many modern parsing libraries,
+	       it provides a parser combinator interface for writing grammars
+	       as inline domain-specific languages, but Hammer also provides a
+	       variety of parsing backends. It's also bit-oriented rather than
+	       character-oriented, making it ideal for parsing binary data such
+	       as images, network packets, audio, and executables.";
+    homepage = https://github.com/UpstandingHackers/hammer;
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    };
+}

pkgs/top-level/all-packages.nix

@@ -4558,6 +4558,8 @@ let
 
   ragel = callPackage ../development/tools/parsing/ragel { };
 
+  hammer = callPackage ../development/tools/parsing/hammer { };
+
   re2c = callPackage ../development/tools/parsing/re2c { };
 
   remake = callPackage ../development/tools/build-managers/remake { };