{-
Tock: a compiler for parallel languages
Copyright (C) 2007  University of Kent

This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 2 of the License, or (at your
option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program.  If not, see <http://www.gnu.org/licenses/>.
-}

-- | Lists of passes
module PassList (getPassList) where

import Check
import CompState
import GenerateC
import GenerateCPPCSP
import Pass
import RainPasses
import SimplifyComms
import SimplifyExprs
import SimplifyProcs
import SimplifyTypes
import Unnest

commonPasses :: CompState -> [(String, Pass)]
commonPasses opts =
  [ ("Simplify types", simplifyTypes)
  , ("Simplify expressions", simplifyExprs)
  ]
  ++ (if csUsageChecking opts then [("Usage checks", usageCheckPass)] else []) ++
  [    
    ("Simplify processes", simplifyProcs)
  , ("Flatten nested declarations", unnest)
  , ("Simplify communications", simplifyComms)
  ]


getPassList :: CompState -> [(String, Pass)]
getPassList optsPS     = concat [ if csFrontend optsPS == FrontendRain
                                    then rainPasses
                                    else []
                                , commonPasses optsPS
                                , case csBackend optsPS of
                                    BackendC -> genCPasses
                                    BackendCPPCSP -> genCPPCSPPasses
                                ]