{- |

Module : $Header$

Copyright : (c) Till Mossakowski, Uni Bremen 2002-2004

License : similar to LGPL, see HetCATS/LICENSE.txt or LIZENZ.txt

Maintainer : hausmann@tzi.de

Stability : provisional

Portability : portable

Instance of class Logic for CoCASL.

-}

module CoCASL.Logic_CoCASL where

import CoCASL.AS_CoCASL

import CoCASL.CoCASLSign

import CoCASL.ATC_CoCASL()

import CoCASL.Parse_AS

import CoCASL.StatAna

import CoCASL.Sublogic

import CASL.Sign

import CASL.Morphism

import CASL.SymbolMapAnalysis

import CASL.Logic_CASL

import CASL.AS_Basic_CASL

import CASL.Parse_AS_Basic

import CASL.MapSentence

import CASL.SymbolParser

import CASL.Sublogic

import Logic.Logic

data CoCASL = CoCASL deriving Show

instance Language CoCASL where

description _ =

"CoCASL is the coalgebraic extension of CASL."

type CoCASLMor = Morphism C_FORMULA CoCASLSign ()

type CoCASLFORMULA = FORMULA C_FORMULA

instance Category CoCASL CSign CoCASLMor

where

-- ide :: id -> object -> morphism

ide CoCASL = idMor dummy

-- comp :: id -> morphism -> morphism -> Maybe morphism

comp CoCASL = compose (const id)

-- dom, cod :: id -> morphism -> object

dom CoCASL = msource

cod CoCASL = mtarget

-- legal_obj :: id -> object -> Bool

legal_obj CoCASL = legalSign

-- legal_mor :: id -> morphism -> Bool

legal_mor CoCASL = legalMor

-- abstract syntax, parsing (and printing)

instance Syntax CoCASL C_BASIC_SPEC

SYMB_ITEMS SYMB_MAP_ITEMS

where

parse_basic_spec CoCASL = Just $ basicSpec cocasl_reserved_words

parse_symb_items CoCASL = Just $ symbItems cocasl_reserved_words

parse_symb_map_items CoCASL =

Just $ symbMapItems cocasl_reserved_words

-- CoCASL logic

map_C_FORMULA :: MapSen C_FORMULA CoCASLSign ()

map_C_FORMULA mor frm = case frm of

BoxOrDiamond b m f ps -> let

newF = mapSen map_C_FORMULA mor f

newM = case m of

Simple_mod _ -> m

Term_mod t -> Term_mod $ mapTerm map_C_FORMULA mor t

in BoxOrDiamond b newM newF ps

phi -> phi

instance Sentences CoCASL CoCASLFORMULA CSign CoCASLMor Symbol where

map_sen CoCASL m = return . mapSen map_C_FORMULA m

parse_sentence CoCASL = Nothing

sym_of CoCASL = symOf

symmap_of CoCASL = morphismToSymbMap

sym_name CoCASL = symName

instance StaticAnalysis CoCASL C_BASIC_SPEC CoCASLFORMULA

SYMB_ITEMS SYMB_MAP_ITEMS

CSign

CoCASLMor

Symbol RawSymbol where

basic_analysis CoCASL = Just $ basicCoCASLAnalysis

stat_symb_map_items CoCASL = statSymbMapItems

stat_symb_items CoCASL = statSymbItems

ensures_amalgamability CoCASL _ =

fail "CoCASL: ensures_amalgamability nyi" -- ???

sign_to_basic_spec CoCASL _sigma _sens = Basic_spec [] -- ???

symbol_to_raw CoCASL = symbolToRaw

id_to_raw CoCASL = idToRaw

matches CoCASL = CASL.Morphism.matches

empty_signature CoCASL = emptySign emptyCoCASLSign

signature_union CoCASL sigma1 sigma2 =

return $ addSig addCoCASLSign sigma1 sigma2

morphism_union CoCASL = morphismUnion (const id) addCoCASLSign

final_union CoCASL = finalUnion addCoCASLSign

is_subsig CoCASL = isSubSig isSubCoCASLSign

inclusion CoCASL = sigInclusion dummy isSubCoCASLSign

cogenerated_sign CoCASL = cogeneratedSign dummy

generated_sign CoCASL = generatedSign dummy

induced_from_morphism CoCASL = inducedFromMorphism dummy

induced_from_to_morphism CoCASL =

inducedFromToMorphism dummy isSubCoCASLSign

instance NameSL Bool where

nameSL b = if b then "Co" else ""

instance MinSL Bool C_FORMULA where

minSL = minFormSublogic

instance MinSL Bool C_SIG_ITEM where

minSL = minCSigItem

instance MinSL Bool C_BASIC_ITEM where

minSL = minCBaseItem

instance ProjForm Bool C_FORMULA

instance ProjSigItem Bool C_SIG_ITEM C_FORMULA

instance ProjBasic Bool C_BASIC_ITEM C_SIG_ITEM C_FORMULA

instance Logic CoCASL CoCASL_Sublogics

C_BASIC_SPEC CoCASLFORMULA SYMB_ITEMS SYMB_MAP_ITEMS

CSign

CoCASLMor

Symbol RawSymbol () where

stability _ = Unstable

proj_sublogic_epsilon CoCASL = pr_epsilon dummy

all_sublogics _ = sublogics_all [False, True]

empty_proof_tree _ = ()