-- |
-- Module      : Verismith.Tool.Quartus
-- Description : Quartus synthesiser implementation.
-- Copyright   : (c) 2019, Yann Herklotz Grave
-- License     : GPL-3
-- Maintainer  : yann [at] yannherklotz [dot] com
-- Stability   : experimental
-- Portability : POSIX
--
-- Quartus synthesiser implementation.
module Verismith.Tool.Quartus
  ( Quartus (..),
    defaultQuartus,
  )
where

import Control.DeepSeq (NFData, rnf, rwhnf)
import Data.Text (Text, unpack)
import Shelly
import Shelly.Lifted (liftSh)
import Verismith.Tool.Internal
import Verismith.Tool.Template
import Verismith.Verilog.AST
import Verismith.Verilog.CodeGen
import Prelude hiding (FilePath)

data Quartus
  = Quartus
      { quartusBin :: !(Maybe FilePath),
        quartusDesc :: !Text,
        quartusOutput :: !FilePath
      }
  deriving (Eq)

instance Tool Quartus where
  toText (Quartus _ t _) = t

instance Show Quartus where
  show t = unpack $ toText t

instance Synthesiser Quartus where
  runSynth = runSynthQuartus
  synthOutput = quartusOutput
  setSynthOutput (Quartus a b _) = Quartus a b

instance NFData Quartus where
  rnf = rwhnf

defaultQuartus :: Quartus
defaultQuartus = Quartus Nothing "quartus" "syn_quartus.v"

runSynthQuartus :: Show ann => Quartus -> (SourceInfo ann) -> ResultSh ()
runSynthQuartus sim (SourceInfo top src) = do
  dir <- liftSh pwd
  let ex = execute_ SynthFail dir "quartus"
  liftSh $ do
    writefile inpf $ genSource src
    noPrint $
      run_
        "sed"
        [ "-i",
          "s/^module/(* multstyle = \"logic\" *) module/;",
          toTextIgnore inpf
        ]
    writefile quartusSdc $ "create_clock -period 5 -name clk [get_ports clock]"
    writefile quartusTcl $ quartusSynthConfig sim quartusSdc top inpf
  ex (exec "quartus_sh") ["-t", toTextIgnore quartusTcl]
  liftSh $ do
    cp (fromText "simulation/vcs" </> fromText top <.> "vo") $
      synthOutput sim
    run_
      "sed"
      [ "-ri",
        "s,^// DATE.*,,; s,^tri1 (.*);,wire \\1 = 1;,; /^\\/\\/ +synopsys/ d;",
        toTextIgnore $ synthOutput sim
      ]
  where
    inpf = "rtl.v"
    exec s = maybe (fromText s) (</> fromText s) $ quartusBin sim
    quartusTcl = fromText top <.> "tcl"
    quartusSdc = fromText top <.> "sdc"