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-rw-r--r--pkgs/development/libraries/haskell/prolog-graph-lib/default.nix18
-rw-r--r--pkgs/development/libraries/haskell/prolog-graph/default.nix23
-rw-r--r--pkgs/development/libraries/haskell/prolog/default.nix18
3 files changed, 59 insertions, 0 deletions
diff --git a/pkgs/development/libraries/haskell/prolog-graph-lib/default.nix b/pkgs/development/libraries/haskell/prolog-graph-lib/default.nix
new file mode 100644
index 00000000000..5459b8fa6dc
--- /dev/null
+++ b/pkgs/development/libraries/haskell/prolog-graph-lib/default.nix
@@ -0,0 +1,18 @@
+{ cabal, fgl, graphviz, mtl, prolog, text }:
+
+cabal.mkDerivation (self: {
+  pname = "prolog-graph-lib";
+  version = "0.1";
+  sha256 = "1gryhk0jd8bvmjbjkz6n7sfnsa6iwzkckpgi51xsj5f2nwdxbl6g";
+  buildDepends = [ fgl graphviz mtl prolog text ];
+  meta = {
+    homepage = "https://github.com/Erdwolf/prolog";
+    description = "Generating images of resolution trees for Prolog queries";
+    license = self.stdenv.lib.licenses.publicDomain;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [
+      self.stdenv.lib.maintainers.andres
+      self.stdenv.lib.maintainers.simons
+    ];
+  };
+})
diff --git a/pkgs/development/libraries/haskell/prolog-graph/default.nix b/pkgs/development/libraries/haskell/prolog-graph/default.nix
new file mode 100644
index 00000000000..446a430ed7c
--- /dev/null
+++ b/pkgs/development/libraries/haskell/prolog-graph/default.nix
@@ -0,0 +1,23 @@
+{ cabal, cmdargs, fgl, graphviz, mtl, prolog, prologGraphLib, text
+}:
+
+cabal.mkDerivation (self: {
+  pname = "prolog-graph";
+  version = "0.1.0.2";
+  sha256 = "1w3wz0sn1qhw286g3arin30jvlldadw976xr7hp0afdvqicl3892";
+  isLibrary = false;
+  isExecutable = true;
+  buildDepends = [
+    cmdargs fgl graphviz mtl prolog prologGraphLib text
+  ];
+  meta = {
+    homepage = "https://github.com/Erdwolf/prolog";
+    description = "A command line tool to visualize query resolution in Prolog";
+    license = self.stdenv.lib.licenses.publicDomain;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [
+      self.stdenv.lib.maintainers.andres
+      self.stdenv.lib.maintainers.simons
+    ];
+  };
+})
diff --git a/pkgs/development/libraries/haskell/prolog/default.nix b/pkgs/development/libraries/haskell/prolog/default.nix
new file mode 100644
index 00000000000..6702e2e3887
--- /dev/null
+++ b/pkgs/development/libraries/haskell/prolog/default.nix
@@ -0,0 +1,18 @@
+{ cabal, mtl, parsec, syb, thLift, transformers }:
+
+cabal.mkDerivation (self: {
+  pname = "prolog";
+  version = "0.1";
+  sha256 = "00791fb1f84wq42wvacnjl290fbn28x9hknxsic3ksi3f7psladm";
+  buildDepends = [ mtl parsec syb thLift transformers ];
+  meta = {
+    homepage = "https://github.com/Erdwolf/prolog";
+    description = "A Prolog interpreter written in Haskell";
+    license = self.stdenv.lib.licenses.publicDomain;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [
+      self.stdenv.lib.maintainers.andres
+      self.stdenv.lib.maintainers.simons
+    ];
+  };
+})