homebrew-core/Formula/agda.rb
2015-12-25 21:05:39 +00:00

153 lines
4.5 KiB
Ruby

require "language/haskell"
class Agda < Formula
include Language::Haskell::Cabal
desc "Dependently typed functional programming language"
homepage "http://wiki.portal.chalmers.se/agda/"
stable do
url "https://github.com/agda/agda/archive/2.4.2.5.tar.gz"
sha256 "a357470e47751e5757922b05ab8d692a526b8ed50619fb3dab0735a9a0e94cd1"
resource "stdlib" do
url "https://github.com/agda/agda-stdlib.git",
:tag => "v0.11",
:revision => "8602c29a7627eb001344cf50e6b74f880fb6bf18"
end
end
bottle do
sha256 "499162feef2e0f8357743b4166a468cfa46b75145f44bc4684e7ad7ca3164f9f" => :el_capitan
sha256 "9da031fabbbac72c22bcc6788d1a76d02be5947d496ee7d590bc735762e7c21c" => :yosemite
sha256 "4a8b2ecdaec7b443cfac1b0e2336f2d849e1180919fff3f6682f70ae6a57c0f0" => :mavericks
end
head do
url "https://github.com/agda/agda.git"
resource "stdlib" do
url "https://github.com/agda/agda-stdlib.git"
end
end
option "without-stdlib", "Don't install the Agda standard library"
option "without-malonzo", "Disable the MAlonzo backend"
if build.with? "malonzo"
depends_on "ghc"
else
depends_on "ghc" => :build
end
depends_on "cabal-install" => :build
depends_on "gmp"
depends_on :emacs => ["21.1", :recommended]
def install
# install Agda core
install_cabal_package :using => ["alex", "happy", "cpphs"]
if build.with? "stdlib"
resource("stdlib").stage lib/"agda"
# generate the standard library's bytecode
cd lib/"agda" do
cabal_sandbox :home => buildpath, :keep_lib => true do
cabal_install "--only-dependencies"
cabal_install
system "GenerateEverything"
end
end
# install the standard library's FFI bindings for the MAlonzo backend
# in a dedicated GHC package database
if build.with? "malonzo"
db_path = lib/"agda"/"ffi"/"package.conf.d"
mkdir db_path
system "ghc-pkg", "--package-db=#{db_path}", "recache"
cd lib/"agda"/"ffi" do
cabal_sandbox :home => buildpath, :keep_lib => true do
system "cabal", "--ignore-sandbox", "install", "--package-db=#{db_path}",
"--prefix=#{lib}/agda/ffi"
end
end
end
# generate the standard library's documentation and vim highlighting files
cd lib/"agda" do
system bin/"agda", "-i", ".", "-i", "src", "--html", "--vim", "README.agda"
end
end
# compile the included Emacs mode
if build.with? "emacs"
system bin/"agda-mode", "compile"
elisp.install_symlink Dir["#{share}/*/Agda-#{version}/emacs-mode/*"]
end
end
def caveats
s = ""
if build.with? "stdlib"
s += <<-EOS.undent
To use the Agda standard library, point Agda to the following include dir:
#{HOMEBREW_PREFIX}/lib/agda/src
EOS
if build.with? "malonzo"
s += <<-EOS.undent
To use the FFI bindings for the MAlonzo backend, give Agda the following option:
--ghc-flag=-package-db=#{HOMEBREW_PREFIX}/lib/agda/ffi/package.conf.d
EOS
end
end
s
end
test do
# run Agda's built-in test suite
system bin/"agda", "--test"
# typecheck and compile a simple module
test_file_path = testpath/"simple-test.agda"
test_file_path.write <<-EOS.undent
{-# OPTIONS --without-K #-}
module simple-test where
open import Agda.Primitive
infixr 6 _::_
data List {i} (A : Set i) : Set i where
[] : List A
_::_ : A -> List A -> List A
snoc : forall {i} {A : Set i} -> List A -> A -> List A
snoc [] x = x :: []
snoc (x :: xs) y = x :: (snoc xs y)
EOS
if build.with? "malonzo"
system bin/"agda", "-c", "--no-main", "--safe", test_file_path
end
system bin/"agda", "--js", "--safe", test_file_path
# typecheck, compile, and run a program that uses the standard library
if build.with?("stdlib") && build.with?("malonzo")
test_file_path = testpath/"stdlib-test.agda"
test_file_path.write <<-EOS.undent
module stdlib-test where
open import Data.String
open import Function
open import IO
main : _
main = run $ putStr "Hello, world!"
EOS
system bin/"agda", "-i", testpath, "-i", lib/"agda"/"src",
"--ghc-flag=-package-db=#{lib}/agda/ffi/package.conf.d",
"-c", test_file_path
assert_equal "Hello, world!", shell_output("#{testpath}/stdlib-test")
end
end
end