8f767ff0d4
This makes sure that we catch all leftover instances of using SYB to do generic operations that we should be using Polyplate for instead. Most modules should only import Data, and possibly Typeable.
37 lines
1.1 KiB
Haskell
37 lines
1.1 KiB
Haskell
{-
|
|
Tock: a compiler for parallel languages
|
|
Copyright (C) 2008 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/>.
|
|
-}
|
|
|
|
module UnifyType where
|
|
|
|
import Data.Generics (Data, Typeable)
|
|
import Data.IORef
|
|
|
|
import qualified AST as A
|
|
import Metadata
|
|
|
|
type Ptr a = IORef (A.TypeRequirements, Maybe (TypeExp a))
|
|
|
|
data Typeable a => TypeExp a
|
|
= MutVar Meta (Ptr a)
|
|
| GenVar Meta Int
|
|
-- Either a list of integers that must fit, or a concrete type
|
|
| NumLit Meta (IORef (Either [(Meta, Integer)] A.Type))
|
|
| OperType Meta String ([A.Type] -> A.Type) [ TypeExp a ]
|
|
deriving (Typeable, Data)
|
|
|