{-|

Module : $Header$

Copyright : (c) Christian Maeder, Sonja Groening, Uni Bremen 2002-2004

Licence : similar to LGPL, see HetCATS/LICENCE.txt or LIZENZ.txt

Maintainer : maeder@tzi.de

Stability : provisional

Portability : non-portable(Logic)

Here is the place where the class Logic is instantiated for Hatchet.

Also the instances for Syntax an Category.

todo:

- writing real functions

-}

module Hatchet.Logic_Hatchet (Hatchet(..)) where

import Data.Dynamic

import Common.DynamicUtils

import Common.Result (Result (..))

import Common.PrettyPrint

import Common.Lib.Pretty

import Common.AS_Annotation

import Hatchet.ATC_Hatchet -- generated ATerm conversions

import Hatchet.PrintModuleInfo

import Hatchet.HatParser (HsDecls(..), hatParser)

import Hatchet.HatAna

import Haskell.Hatchet.MultiModuleBasics (ModuleInfo,

emptyModuleInfo,

joinModuleInfo)

import Haskell.Hatchet.AnnotatedHsSyn (AHsDecl)

import Haskell.Hatchet.HsSyn (HsDecl)

import Logic.Logic

moduleInfoTc, hsDeclTc, aHsDeclTc :: TyCon

moduleInfoTc = mkTyCon "Haskell.Hatchet.MultiModuleBasics.ModuleInfo"

hsDeclTc = mkTyCon "Hatchet.HatParser.HsDecls"

aHsDeclTc = mkTyCon "Haskell.Hatchet.AnnotatedHsSyn.AHsDecl"

instance Typeable ModuleInfo where

typeOf _ = mkTyConApp moduleInfoTc []

instance Typeable HsDecls where

typeOf _ = mkTyConApp hsDeclTc []

instance Typeable AHsDecl where

typeOf _ = mkTyConApp aHsDeclTc []

instance PrintLaTeX ModuleInfo where

printLatex0 = printText0

instance PrintLaTeX HsDecls where

printLatex0 = printText0

instance PrintLaTeX AHsDecl where

printLatex0 = printText0

-- a dummy datatype for the LogicGraph and for identifying the right

-- instances

data Hatchet = Hatchet deriving (Show)

instance Language Hatchet where

description _ =

"Haskell - a purely functional programming language, \

\featuring static typing, higher-order functions, polymorphism, \

\type classes and monadic effects. \

\See http://www.haskell.org. This version is based on Hatchet,\

\ see http://www.cs.mu.oz.au/~bjpop/hatchet.html"

type Sign = ModuleInfo

type Morphism = ()

instance Category Hatchet Sign Morphism where

dom Hatchet _ = empty_signature Hatchet

-- abstract syntax, parsing (and printing)

type SYMB_ITEMS = ()

type SYMB_MAP_ITEMS = ()

instance Syntax Hatchet HsDecls

SYMB_ITEMS SYMB_MAP_ITEMS

where

parse_basic_spec Hatchet = Just hatParser

parse_symb_items Hatchet = Nothing

parse_symb_map_items Hatchet = Nothing

type Hatchet_Sublogics = ()

type Sentence = AHsDecl

instance Ord AHsDecl where

compare _x _y = error "Hatchet.Logic_Hatchet: compare for AHsDecl"

type Symbol = ()

type RawSymbol = ()

instance Sentences Hatchet Sentence () Sign Morphism Symbol where

map_sen Hatchet _m s = return s

print_named Hatchet ga (NamedSen lab sen) = printText0 ga sen <>

if null lab then empty

else space <> text "{-" <+> text lab <+> text "-}"

provers Hatchet = []

cons_checkers Hatchet = []

instance StaticAnalysis Hatchet HsDecls

Sentence ()

SYMB_ITEMS SYMB_MAP_ITEMS

Sign

Morphism

Symbol RawSymbol

where

empty_signature Hatchet

= emptyModuleInfo

signature_union Hatchet sig1 sig2 = return (joinModuleInfo sig1 sig2)

inclusion Hatchet _ _ = return ()

basic_analysis Hatchet = Just(basicAnalysis)

where basicAnalysis (b@(HsDecls basicSpec), sig, _) =

let (modInfo, sens) = hatAna basicSpec sig

in Result [] $ Just (b, diffModInfo modInfo sig,

modInfo, sens)

is_subsig Hatchet s1 s2 = joinModuleInfo s1 s2 == s2

instance Logic Hatchet Hatchet_Sublogics

HsDecls Sentence SYMB_ITEMS SYMB_MAP_ITEMS

Sign

Morphism

Symbol RawSymbol ()

where data_logic Hatchet = Nothing