{- |

Module : $Header$

Copyright : (c) Klaus L�ttich, Uni Bremen 2002-2005

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

Maintainer : till@tzi.de

Stability : provisional

Portability : portable

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

Also the instances for Syntax an Category.

-}

{- todo:

real implementation for map_sen

-}

module ConstraintCASL.Logic_ConstraintCASL(module ConstraintCASL.Logic_ConstraintCASL, CASLSign, ConstraintCASLMor) where

import Common.AS_Annotation

import Common.Result

import Common.Lexer((<<))

import Text.ParserCombinators.Parsec

import Logic.Logic

import ConstraintCASL.AS_ConstraintCASL

import ConstraintCASL.Parse_AS_Basic

import ConstraintCASL.Formula

import ConstraintCASL.StaticAna

import ConstraintCASL.ATC_ConstraintCASL()

import ConstraintCASL.Print_AS()

import CASL.AS_Basic_CASL

import CASL.ToDoc()

import CASL.SymbolParser

import CASL.MapSentence

import CASL.ATC_CASL()

import CASL.Sublogic

import CASL.Sign

import CASL.Morphism

import CASL.SymbolMapAnalysis

import CASL.Logic_CASL

data ConstraintCASL = ConstraintCASL deriving Show

instance Language ConstraintCASL where

description _ =

"ConstraintCASL - a restriction of CASL to constraint\

\formulas over predicates"

-- dummy of "Min f e"

dummyMin :: b -> c -> Result ()

dummyMin _ _ = Result {diags = [], maybeResult = Just ()}

instance Category ConstraintCASL ConstraintCASLSign ConstraintCASLMor

where

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

ide ConstraintCASL = idMor dummy

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

comp ConstraintCASL = compose (const id)

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

dom ConstraintCASL = msource

cod ConstraintCASL = mtarget

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

legal_obj ConstraintCASL = legalSign

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

legal_mor ConstraintCASL = legalMor

-- abstract syntax, parsing (and printing)

instance Syntax ConstraintCASL ConstraintCASLBasicSpec

SYMB_ITEMS SYMB_MAP_ITEMS

where

parse_basic_spec ConstraintCASL = Just $ basicSpec constraintKeywords

parse_symb_items ConstraintCASL = Just $ symbItems []

parse_symb_map_items ConstraintCASL = Just $ symbMapItems []

-- lattices (for sublogics) is missing

instance Sentences ConstraintCASL ConstraintCASLFORMULA () ConstraintCASLSign ConstraintCASLMor Symbol where

map_sen ConstraintCASL m = return . mapSen (\ _ -> id) m

parse_sentence ConstraintCASL = Just (fmap item (aFormula [] << eof))

sym_of ConstraintCASL = symOf

symmap_of ConstraintCASL = morphismToSymbMap

sym_name ConstraintCASL = symName

conservativityCheck ConstraintCASL th mor phis =

error "conservativityCheck ConstraintCASL nyi"

-- fmap (fmap fst) (checkFreeType th mor phis)

simplify_sen ConstraintCASL =

error "simplify_sen ConstraintCASL nyi" -- simplifySen dummyMin dummy

instance StaticAnalysis ConstraintCASL ConstraintCASLBasicSpec ConstraintCASLFORMULA ()

SYMB_ITEMS SYMB_MAP_ITEMS

ConstraintCASLSign

ConstraintCASLMor

Symbol RawSymbol where

basic_analysis ConstraintCASL = Just basicConstraintCASLAnalysis

stat_symb_map_items ConstraintCASL = statSymbMapItems

stat_symb_items ConstraintCASL = statSymbItems

ensures_amalgamability ConstraintCASL (opts, diag, sink, desc) =

error "ConstraintCASL.ensures_amalgamability not yet implemented"

--ensuresAmalgamability opts diag sink desc

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

symbol_to_raw ConstraintCASL = symbolToRaw

id_to_raw ConstraintCASL = idToRaw

matches ConstraintCASL = CASL.Morphism.matches

is_transportable ConstraintCASL = isSortInjective

empty_signature ConstraintCASL = emptySign ()

signature_union ConstraintCASL sigma1 sigma2 =

return $ addSig dummy sigma1 sigma2

morphism_union ConstraintCASL = morphismUnion (const id) dummy

final_union ConstraintCASL = finalUnion dummy

is_subsig ConstraintCASL = isSubSig trueC

inclusion ConstraintCASL = sigInclusion dummy trueC

cogenerated_sign ConstraintCASL = cogeneratedSign dummy

generated_sign ConstraintCASL = generatedSign dummy

induced_from_morphism ConstraintCASL = inducedFromMorphism dummy

induced_from_to_morphism ConstraintCASL =

inducedFromToMorphism dummy trueC

theory_to_taxonomy ConstraintCASL =

error "theory_to_taxonomy ConstraintCASL nyi" -- convTaxo

instance MinSL () ConstraintFORMULA

instance ProjForm () ConstraintFORMULA

instance Logic ConstraintCASL CASL_Sublogics

ConstraintCASLBasicSpec ConstraintCASLFORMULA

SYMB_ITEMS SYMB_MAP_ITEMS

ConstraintCASLSign

ConstraintCASLMor

Symbol RawSymbol () where

stability _ = Experimental

proj_sublogic_epsilon ConstraintCASL = pr_epsilon dummy

all_sublogics _ = sublogics_all [()]