60 lines
1.8 KiB
Haskell
60 lines
1.8 KiB
Haskell
{-# LANGUAGE CPP #-}
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{-# LANGUAGE ForeignFunctionInterface #-}
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-----------------------------------------------------------------------------
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-- |
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-- Module : Main (doctests)
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-- Copyright : (C) 2012-14 Edward Kmett
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-- License : BSD-style (see the file LICENSE)
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-- Maintainer : Edward Kmett <ekmett@gmail.com>
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-- Stability : provisional
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-- Portability : portable
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--
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-- This module provides doctests for a project based on the actual versions
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-- of the packages it was built with. It requires a corresponding Setup.lhs
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-- to be added to the project
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-----------------------------------------------------------------------------
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module Main where
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import Build_doctests (flags, pkgs, module_sources)
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import Data.Foldable (traverse_)
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import Test.DocTest
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##if defined(mingw32_HOST_OS)
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##if defined(i386_HOST_ARCH)
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##define USE_CP
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import Control.Applicative
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import Control.Exception
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import Foreign.C.Types
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foreign import stdcall "windows.h SetConsoleCP" c_SetConsoleCP :: CUInt -> IO Bool
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foreign import stdcall "windows.h GetConsoleCP" c_GetConsoleCP :: IO CUInt
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##elif defined(x86_64_HOST_ARCH)
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##define USE_CP
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import Control.Applicative
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import Control.Exception
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import Foreign.C.Types
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foreign import ccall "windows.h SetConsoleCP" c_SetConsoleCP :: CUInt -> IO Bool
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foreign import ccall "windows.h GetConsoleCP" c_GetConsoleCP :: IO CUInt
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##endif
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##endif
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-- | Run in a modified codepage where we can print UTF-8 values on Windows.
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withUnicode :: IO a -> IO a
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##ifdef USE_CP
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withUnicode m = do
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cp <- c_GetConsoleCP
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(c_SetConsoleCP 65001 >> m) `finally` c_SetConsoleCP cp
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##else
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withUnicode m = m
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##endif
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main :: IO ()
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main = withUnicode $ do
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traverse_ putStrLn args
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doctest args
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where
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args =
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"-XOverloadedStrings" :
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"-XFlexibleInstances" :
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"-XMultiParamTypeClasses" :
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flags ++ pkgs ++ module_sources
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