script

Representations and fast conversions for Script (docs.ppad.tech/script).
git clone git://git.ppad.tech/script.git
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flake.nix (2100B)

      1 {
      2   description = "Primitive Script support for Haskell.";
      3 
      4   inputs = {
      5     ppad-nixpkgs = {
      6       type = "git";
      7       url  = "git://git.ppad.tech/nixpkgs.git";
      8       ref  = "master";
      9     };
     10     ppad-base16 = {
     11       type = "git";
     12       url  = "git://git.ppad.tech/base16.git";
     13       ref  = "master";
     14       inputs.ppad-nixpkgs.follows = "ppad-nixpkgs";
     15     };
     16     flake-utils.follows = "ppad-nixpkgs/flake-utils";
     17     nixpkgs.follows = "ppad-nixpkgs/nixpkgs";
     18   };
     19 
     20   outputs = {   self, nixpkgs, flake-utils, ppad-nixpkgs
     21               , ppad-base16
     22             }:
     23     flake-utils.lib.eachDefaultSystem (system:
     24       let
     25         lib = "ppad-script";
     26 
     27         pkgs = import nixpkgs { inherit system; };
     28         hlib  = pkgs.haskell.lib;
     29         llvm  = pkgs.llvmPackages_19.llvm;
     30         clang = pkgs.llvmPackages_19.clang;
     31 
     32         base16 = ppad-base16.packages.${system}.default;
     33         base16-llvm =
     34           hlib.addBuildTools
     35             (hlib.enableCabalFlag base16 "llvm")
     36             [ llvm clang ];
     37 
     38         hpkgs = pkgs.haskell.packages.ghc910.extend (new: old: {
     39           ppad-base16 = base16-llvm;
     40           ${lib} = new.callCabal2nixWithOptions lib ./. "--enable-profiling" {
     41             ppad-base16 = new.ppad-base16;
     42           };
     43         });
     44 
     45         cc    = pkgs.stdenv.cc;
     46         ghc   = hpkgs.ghc;
     47         cabal = hpkgs.cabal-install;
     48       in
     49         {
     50           packages.default = hpkgs.${lib};
     51 
     52           devShells.default = hpkgs.shellFor {
     53             packages = p: [
     54               (hlib.doBenchmark p.${lib})
     55             ];
     56 
     57             buildInputs = [
     58               cabal
     59               cc
     60               llvm
     61             ];
     62 
     63             doBenchmark = true;
     64 
     65             shellHook = ''
     66               PS1="[${lib}] \w$ "
     67               echo "entering ${system} shell, using"
     68               echo "cc:    $(${cc}/bin/cc --version)"
     69               echo "ghc:   $(${ghc}/bin/ghc --version)"
     70               echo "cabal: $(${cabal}/bin/cabal --version)"
     71               echo "llc:   $(${llvm}/bin/llc --version | head -2 | tail -1)"
     72             '';
     73           };
     74         }
     75       );
     76 }
     77