Files
qbe-hs/test/Main.hs
T
2022-07-03 10:25:48 +02:00

72 lines
2.5 KiB
Haskell

{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE ExistentialQuantification #-}
module Main (main) where
import Language.QBE
import Test.Tasty (TestTree, defaultMain, testGroup)
import Test.Tasty.Silver (goldenVsAction)
import System.FilePath ((</>), (<.>))
import Prettyprinter (Pretty(pretty), layoutPretty, defaultLayoutOptions)
import Prettyprinter.Render.Text (renderStrict)
import Data.List.NonEmpty (NonEmpty((:|)))
data P = forall a. Pretty a => P a
instance Pretty P where
pretty (P x) = pretty x
main :: IO ()
main = defaultMain goldenTests
goldenTests :: TestTree
goldenTests = testGroup "golden tests"
[ t "ident"
[ P $ Ident @'AggregateTy "aggregateTy"
, P $ Ident @'Global "global"
, P $ Ident @'Temporary "temporary"
, P $ Ident @'Label "label"
]
, t "type" ([Word, Long, Single, Double], [BaseTy Word, Byte, HalfWord])
, t "const"
[ CInt True 1
, CInt False 2
, CSingle 0.1
, CDouble (-0.2)
, CGlobal "global"
]
, t "linkage" (Export, Section "secName" Nothing, Section "secName" $ Just "flag1 flag2")
, t "typedef" $ Typedef "t" (Just 8)
[ (SubExtTy HalfWord, Just 16)
, (SubAggregateTy "t1", Nothing)
]
, t "opaque" $ Opaque "t" 8 16
, t "data" $ DataDef [Export] "d" (Just 8)
[ FieldZero 16
, FieldExtTy Byte $ Symbol "g" (Just 32) :| [String "foo\nbar\0baz", Const $ CInt True 1]
]
, t "function" $ FuncDef [Export] (Just $ AbiAggregateTy "t") "f"
(Just "env") [Param (AbiBaseTy Word) "a", Param (AbiBaseTy Double) "b"] Variadic $
Block "l" [] [] (Ret Nothing) :| []
, t "val" [valInt 0, ValTemporary "temporary", ValGlobal "global"]
, t "jmp" $ Jmp "target"
, t "jnz" $ Jnz (valInt 0) "target1" "target2"
, t "ret" $ Ret $ Just $ ValTemporary "x"
, t "phi" $ Phi "a" Word [PhiArg "b" $ valInt 1, PhiArg "c" $ valInt 2]
, t "call" $ Call (Just ("r", AbiBaseTy Word)) (ValGlobal "f") (Just $ valInt 1)
[Arg (AbiBaseTy Word) $ valInt 2, Arg (AbiAggregateTy "t") $ ValTemporary "a"]
[Arg (AbiBaseTy Word) $ valInt 3, Arg (AbiAggregateTy "t1") $ ValTemporary "b"]
]
where
t name value = goldenVsAction
name
("golden" </> name <.> "qbe")
(pure $ pretty value)
(renderStrict . layoutPretty defaultLayoutOptions)
valInt :: Int -> Val
valInt i | i >= 0 = ValConst $ CInt False $ fromIntegral i
| otherwise = ValConst $ CInt True $ fromIntegral $ negate i