diff --git a/pkgs/development/tools/parsing/asc-support/asc-support-1.8.nix b/pkgs/development/tools/parsing/asc-support/asc-support-1.8.nix
new file mode 100644
index 000000000000..f25840d2ae8b
--- /dev/null
+++ b/pkgs/development/tools/parsing/asc-support/asc-support-1.8.nix
@@ -0,0 +1,14 @@
+{stdenv, fetchurl, aterm, toolbuslib, ptsupport, asfsupport}: derivation {
+  name = "asc-support-1.8";
+  system = stdenv.system;
+  builder = ./builder.sh;
+  src = fetchurl {
+    url = http://www.cwi.nl/projects/MetaEnv/asc-support/asc-support-1.8.tar.gz;
+    md5 = "e85a790c6004dfb974d79fc9699f69f4";
+  };
+  stdenv = stdenv;
+  aterm = aterm;
+  ptsupport = ptsupport;
+  toolbuslib = toolbuslib;
+  asfsupport = asfsupport;
+}
diff --git a/pkgs/development/tools/parsing/asc-support/builder.sh b/pkgs/development/tools/parsing/asc-support/builder.sh
new file mode 100644
index 000000000000..8170bbbea018
--- /dev/null
+++ b/pkgs/development/tools/parsing/asc-support/builder.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+buildinputs="$aterm $ptsupport $toolbuslib $asfsupport"
+. $stdenv/setup || exit 1
+
+tar zxf $src || exit 1
+cd asc-support-* || exit 1
+./configure --prefix=$out --with-aterm=$aterm --with-toolbuslib=$toolbuslib --with-pt-support=$ptsupport --with-asf-support=$asfsupport || exit 1
+make install || exit 1
diff --git a/pkgs/development/tools/parsing/asf-support/asf-support-1.2.nix b/pkgs/development/tools/parsing/asf-support/asf-support-1.2.nix
new file mode 100644
index 000000000000..1ee9a6d5e2aa
--- /dev/null
+++ b/pkgs/development/tools/parsing/asf-support/asf-support-1.2.nix
@@ -0,0 +1,12 @@
+{stdenv, fetchurl, aterm, ptsupport}: derivation {
+  name = "asf-support-1.2";
+  system = stdenv.system;
+  builder = ./builder.sh;
+  src = fetchurl {
+    url = http://www.cwi.nl/projects/MetaEnv/asf-support/asf-support-1.2.tar.gz;
+    md5 = "f32de4c97e62486b67e0af4408585980";
+  };
+  stdenv = stdenv;
+  aterm = aterm;
+  ptsupport = ptsupport;
+}
diff --git a/pkgs/development/tools/parsing/asf-support/builder.sh b/pkgs/development/tools/parsing/asf-support/builder.sh
new file mode 100755
index 000000000000..f7e3f7347af9
--- /dev/null
+++ b/pkgs/development/tools/parsing/asf-support/builder.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+buildinputs="$aterm $ptsupport"
+. $stdenv/setup || exit 1
+
+tar zxf $src || exit 1
+cd asf-support-* || exit 1
+./configure --prefix=$out --with-aterm=$aterm --with-pt-support=$ptsupport || exit 1
+make install || exit 1
diff --git a/pkgs/development/tools/parsing/pgen/builder.sh b/pkgs/development/tools/parsing/pgen/builder.sh
new file mode 100644
index 000000000000..107f8a258f0c
--- /dev/null
+++ b/pkgs/development/tools/parsing/pgen/builder.sh
@@ -0,0 +1,17 @@
+#! /bin/sh
+
+buildinputs="$aterm $getopt $toolbuslib $ptsupport $sdfsupport $asfsupport $ascsupport $sglr"
+. $stdenv/setup || exit 1
+
+tar zxf $src || exit 1
+cd pgen-* || exit 1
+./configure --prefix=$out --with-aterm=$aterm \
+                          --with-toolbuslib=$toolbuslib \
+                          --with-pt-support=$ptsupport \
+                          --with-sdf-support=$sdfsupport \
+                          --with-asf-support=$asfsupport \
+                          --with-asc-support=$asfsupport \
+                          --with-sglr=$sglr  || exit 1
+make install || exit 1
+
+echo "$getopt" > $out/propagated-build-inputs || exit 1
diff --git a/pkgs/development/tools/parsing/pgen/pgen-2.0.nix b/pkgs/development/tools/parsing/pgen/pgen-2.0.nix
new file mode 100644
index 000000000000..08b6aa78bc86
--- /dev/null
+++ b/pkgs/development/tools/parsing/pgen/pgen-2.0.nix
@@ -0,0 +1,18 @@
+{stdenv, getopt, fetchurl, aterm, toolbuslib, ptsupport, sdfsupport, asfsupport, ascsupport, sglr}: derivation {
+  name = "pgen-2.0";
+  system = stdenv.system;
+  builder = ./builder.sh;
+  src = fetchurl {
+    url = http://www.cwi.nl/projects/MetaEnv/pgen/pgen-2.0.tar.gz;
+    md5 = "368cd8abeed29591a35660d8cea79975";
+  };
+  stdenv = stdenv;
+  aterm = aterm;
+  getopt = getopt;
+  toolbuslib = toolbuslib;
+  ptsupport = ptsupport;
+  sdfsupport = sdfsupport;
+  asfsupport = asfsupport;
+  ascsupport = ascsupport;
+  sglr = sglr;
+}
\ No newline at end of file
diff --git a/pkgs/development/tools/parsing/sdf-support/builder.sh b/pkgs/development/tools/parsing/sdf-support/builder.sh
new file mode 100755
index 000000000000..258b63002fe4
--- /dev/null
+++ b/pkgs/development/tools/parsing/sdf-support/builder.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+buildinputs="$aterm $ptsupport $toolbuslib"
+. $stdenv/setup || exit 1
+
+tar zxf $src || exit 1
+cd sdf-support-* || exit 1
+./configure --prefix=$out --with-aterm=$aterm --with-toolbuslib=$toolbuslib --with-pt-support=$ptsupport || exit 1
+make install || exit 1
diff --git a/pkgs/development/tools/parsing/sdf-support/sdf-support-2.0.nix b/pkgs/development/tools/parsing/sdf-support/sdf-support-2.0.nix
new file mode 100644
index 000000000000..8764ececa77b
--- /dev/null
+++ b/pkgs/development/tools/parsing/sdf-support/sdf-support-2.0.nix
@@ -0,0 +1,13 @@
+{stdenv, fetchurl, aterm, toolbuslib, ptsupport}: derivation {
+  name = "sdf-support-2.0";
+  system = stdenv.system;
+  builder = ./builder.sh;
+  src = fetchurl {
+    url = http://www.cwi.nl/projects/MetaEnv/sdf-support/sdf-support-2.0.tar.gz;
+    md5 = "2987b89ed1d73e34e128b895ff44264c";
+  };
+  stdenv = stdenv;
+  aterm = aterm;
+  ptsupport = ptsupport;
+  toolbuslib = toolbuslib;
+}
diff --git a/pkgs/system/all-packages-generic.nix b/pkgs/system/all-packages-generic.nix
index 9f9aa4cd0df3..2b71acf8b67e 100644
--- a/pkgs/system/all-packages-generic.nix
+++ b/pkgs/system/all-packages-generic.nix
@@ -254,19 +254,56 @@
     aterm = aterm_2_0_5;
   };
 
-  pt_support_1_0 = (import ../development/tools/parsing/pt-support/pt-support-1.0.nix) {
+  ptsupport_1_0 = (import ../development/tools/parsing/pt-support/pt-support-1.0.nix) {
     fetchurl = fetchurl;
     stdenv = stdenv;
     aterm = aterm_2_0_5;
     toolbuslib = toolbuslib_0_5_1;
   };
 
+  sdfsupport_2_0 = (import ../development/tools/parsing/sdf-support/sdf-support-2.0.nix) {
+    fetchurl = fetchurl;
+    stdenv = stdenv;
+    aterm = aterm_2_0_5;
+    toolbuslib = toolbuslib_0_5_1;
+    ptsupport = ptsupport_1_0;
+  };
+
   sglr_3_10_2 = (import ../development/tools/parsing/sglr/sglr-3.10.2.nix) {
     fetchurl = fetchurl;
     stdenv = stdenv;
     aterm = aterm_2_0_5;
     toolbuslib = toolbuslib_0_5_1;
-    ptsupport = pt_support_1_0;
+    ptsupport = ptsupport_1_0;
+  };
+
+  asfsupport_1_2 = (import ../development/tools/parsing/asf-support/asf-support-1.2.nix) {
+    fetchurl = fetchurl;
+    stdenv = stdenv;
+    aterm = aterm_2_0_5;
+    ptsupport = ptsupport_1_0;
+  };
+
+  ascsupport_1_8 = (import ../development/tools/parsing/asc-support/asc-support-1.8.nix) {
+    fetchurl = fetchurl;
+    stdenv = stdenv;
+    aterm = aterm_2_0_5;
+    toolbuslib = toolbuslib_0_5_1;
+    ptsupport = ptsupport_1_0;
+    asfsupport	= asfsupport_1_2;
+  };
+
+  pgen_2_0 = (import ../development/tools/parsing/pgen/pgen-2.0.nix) {
+    fetchurl = fetchurl;
+    stdenv = stdenv;
+    getopt = getopt;
+    aterm = aterm_2_0_5;
+    toolbuslib = toolbuslib_0_5_1;
+    ptsupport = ptsupport_1_0;
+    asfsupport = asfsupport_1_2;
+    ascsupport = ascsupport_1_8;
+    sdfsupport = sdfsupport_2_0;
+    sglr = sglr_3_10_2;
   };
 
   strategoxt = (import ../development/compilers/strategoxt) {