1 files changed, 69 insertions, 0 deletions
diff --git a/pkgs/development/ocaml-modules/sedlex/2.nix b/pkgs/development/ocaml-modules/sedlex/2.nix
new file mode 100644
index 00000000000..09390a27343
--- /dev/null
+++ b/pkgs/development/ocaml-modules/sedlex/2.nix
@@ -0,0 +1,69 @@
+{ stdenv
+, fetchFromGitHub
+, fetchurl
+, ocaml
+, dune
+, findlib
+, gen
+, ppx_tools_versioned
+, ocaml-migrate-parsetree
+, uchar
+}:
+
+if stdenv.lib.versionOlder ocaml.version "4.02.3"
+then throw "sedlex is not available for OCaml ${ocaml.version}"
+else
+
+let
+  DerivedCoreProperties = fetchurl {
+    url = "https://www.unicode.org/Public/12.1.0/ucd/DerivedCoreProperties.txt";
+    sha256 = "0s6sn1yr9qmb2i6gf8dir2zpsbjv1frdfzy3i2yjylzvf637msx6";
+  };
+  DerivedGeneralCategory = fetchurl {
+    url = "https://www.unicode.org/Public/12.1.0/ucd/extracted/DerivedGeneralCategory.txt";
+    sha256 = "1rifzq9ba6c58dn0lrmcb5l5k4ksx3zsdkira3m5p6h4i2wriy3q";
+  };
+  PropList = fetchurl {
+    url = "https://www.unicode.org/Public/12.1.0/ucd/PropList.txt";
+    sha256 = "0gsb1jpj3mnqbjgbavi4l95gl6g4agq58j82km22fdfg63j3w3fk";
+  };
+in
+stdenv.mkDerivation rec {
+  name = "ocaml${ocaml.version}-sedlex-${version}";
+  version = "2.1";
+
+  src = fetchFromGitHub {
+    owner = "ocaml-community";
+    repo = "sedlex";
+    rev = "v${version}";
+    sha256 = "05f6qa8x3vhpdz1fcnpqk37fpnyyq13icqsk2gww5idjnh6kng26";
+  };
+
+  buildInputs = [ ocaml findlib dune ppx_tools_versioned ocaml-migrate-parsetree ];
+
+  propagatedBuildInputs = [ gen uchar ];
+
+  preBuild = ''
+    ln -s ${DerivedCoreProperties} src/generator/data/DerivedCoreProperties.txt
+    ln -s ${DerivedGeneralCategory} src/generator/data/DerivedGeneralCategory.txt
+    ln -s ${PropList} src/generator/data/PropList.txt
+  '';
+
+  buildFlags = [ "build" ];
+
+  installPhase = ''
+    make INSTALL_ARGS="--prefix=$out --libdir=$OCAMLFIND_DESTDIR" install
+  '';
+
+  createFindlibDestdir = true;
+
+  dontStrip = true;
+
+  meta = {
+    homepage = https://github.com/ocaml-community/sedlex;
+    description = "An OCaml lexer generator for Unicode";
+    license = stdenv.lib.licenses.mit;
+    inherit (ocaml.meta) platforms;
+    maintainers = [ stdenv.lib.maintainers.marsam ];
+  };
+}