lemon: init at 1.0

1 files changed, 48 insertions, 0 deletions

diff --git a/pkgs/development/tools/parsing/lemon/default.nix b/pkgs/development/tools/parsing/lemon/default.nix
new file mode 100644
index 000000000000..23d4ea911dbe
--- /dev/null
+++ b/pkgs/development/tools/parsing/lemon/default.nix
@@ -0,0 +1,48 @@
+{ stdenv, fetchurl }:
+
+let
+
+  version = "1.0";
+
+  srcs = {
+    lemon = fetchurl {
+      sha256 = "1grm95m2cnc61zim332g7z8nchmcy91ljf50k13lm421v0ygyyv6";
+      url = "http://www.sqlite.org/src/raw/tool/lemon.c?name=039f813b520b9395740c52f9cbf36c90b5d8df03";
+      name = "lemon.c";
+    };
+    lempar = fetchurl {
+      sha256 = "09nki0cwc5zrm365g6plhjxz3byhl9w117ab3yvrpds43ks1j85z";
+      url = "http://www.sqlite.org/src/raw/tool/lempar.c?name=3617143ddb9b176c3605defe6a9c798793280120";
+      name = "lempar.c";
+    };
+  };
+
+in stdenv.mkDerivation {
+  name = "lemon-${version}";
+
+  phases = [ "buildPhase" "installPhase" ];
+
+  buildPhase = ''
+    sh -xc "$CC ${srcs.lemon} -o lemon"
+  '';
+
+  installPhase = ''
+    install -Dvm755 lemon $out/bin/lemon
+    install -Dvm644 ${srcs.lempar} $out/bin/lempar.c
+  '';
+
+  meta = with stdenv.lib; {
+    inherit version;
+    description = "An LALR(1) parser generator";
+    longDescription = ''
+      The Lemon program is an LALR(1) parser generator that takes a
+      context-free grammar and converts it into a subroutine that will parse a
+      file using that grammar. Lemon is similar to the much more famous
+      programs "yacc" and "bison", but is not compatible with either.
+    '';
+    homepage = http://www.hwaci.com/sw/lemon/;
+    license = licenses.publicDomain;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ nckx ];
+  };
+}