break hs

breakhs.cabal

-- Initial breakhs.cabal generated by cabal init.  For further
-- documentation, see http://haskell.org/cabal/users-guide/

name:                breakhs
version:             0.1.0.0
-- synopsis:
-- description:
license:             MIT
license-file:        LICENSE
author:              Tom Hunger
maintainer:          tehunger@gmail.com
-- copyright:
-- category:
build-type:          Simple
-- extra-source-files:
cabal-version:       >=1.10

executable breakhs
  main-is:             Main.hs
  -- other-modules:
  -- other-extensions:
  build-depends:       base >=4.6
                     , template-haskell

  -- hs-source-dirs:
  default-language:    Haskell2010

default.nix

with (import <nixpkgs> {}).pkgs;
let pkg = haskellngPackages.callPackage
            ({ mkDerivation, base, stdenv }:
             mkDerivation {
               pname = "breakhs";
               version = "0.1.0.0";
               src = ./.;
               isLibrary = false;
               isExecutable = true;
               buildDepends = [ base ];
               license = stdenv.lib.licenses.mit;
             }) {};
in
  pkg.env

ElmDerive.hs

{-# LANGUAGE TemplateHaskell #-}
module ElmDerive where

import Language.Haskell.TH

makeElm :: Name -> Q [Dec]
makeElm t = do
  -- Get list of constructors for type t
  TyConI (DataD _ _ _ constructors _)  <- reify t
  x <- [d| x = "hi" |]
  return x

LICENSE

Copyright (c) 2015 Tom Hunger

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Main.hs

{-# LANGUAGE TemplateHaskell #-}
import ElmDerive

makeElm ''Bool

main = print "break"

Setup.hs

import Distribution.Simple
main = defaultMain