{-# OPTIONS -fno-warn-missing-methods #-}

-- needs -package haskell-src

{- HetCATS/Haskell/Logic_Haskell.hs

$Id$

Authors: C. Maeder, S. Groening

Year: 2003

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

Also the instances for Syntax an Category.

todo:

- writing real functions

-}

module Haskell.Logic_Haskell (Haskell(..), empty_signature) where

import CASL.AS_Basic_CASL (SYMB_ITEMS, SYMB_MAP_ITEMS)

import CASL.SymbolParser (symbItems, symbMapItems)

import Logic.ParsecInterface (toParseFun)

import Logic.Logic (Language,

Category,

Syntax,

Sentences,

StaticAnalysis,

Logic,

parse_basic_spec,

parse_symb_items,

parse_symb_map_items,

basic_analysis,

empty_signature,

data_logic)

import Data.Dynamic (Typeable)

import Haskell.ATC_Haskell -- ???

import Common.PrettyPrint (PrettyPrint)

-- import Common.ATerm.Conversion -- ???

import GHC.IOBase (unsafePerformIO)

import Haskell.Hatchet.MultiModule (readModuleInfo)

import Haskell.Hatchet.MultiModuleBasics (ModuleInfo (..),

joinModuleInfo,

getTyconsMembers,

getInfixDecls,

emptyModuleInfo)

import Haskell.Hatchet.TIHetsModule (tiModule)

import Haskell.Hatchet.AnnotatedHsSyn (AHsDecl (..),

AModule (..))

import Haskell.Hatchet.Env (listToEnv)

import Haskell.Hatchet.HaskellPrelude (preludeDefs,

tyconsMembersHaskellPrelude,

preludeDataCons,

preludeClasses,

preludeTyconAndClassKinds,

preludeInfixDecls,

preludeSynonyms)

import Haskell.Hatchet.SynConvert (toAHsModule)

import Haskell.Hatchet.Type (assumpToPair)

import Haskell.Hatchet.Utils (getAModuleName)

import Haskell.Hatchet.HsParsePostProcess (fixFunBindsInModule)

import Haskell.Hatchet.HsSyn (HsModule (..),

Module (..))

import Haskell.HatParser (HsDecls,

hatParser)

import Haskell.HaskellUtils (extractSentences)

import Common.Result (Result (..))

import Common.Lib.Pretty

import Common.PrettyPrint

instance Typeable ModuleInfo

instance PrettyPrint ModuleInfo

instance Typeable HsDecls

instance Typeable AHsDecl

instance PrettyPrint HsDecls

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

-- instances

data Haskell = Haskell deriving (Show)

instance Language Haskell -- default definition is okay

type Sign = ModuleInfo

type Morphism = ()

instance PrettyPrint () where

printText0 ga s = text "()"

instance Category Haskell Sign Morphism

-- abstract syntax, parsing (and printing)

instance Syntax Haskell HsDecls

SYMB_ITEMS SYMB_MAP_ITEMS

where

parse_basic_spec Haskell = Just(toParseFun hatParser ())

parse_symb_items Haskell = Just(toParseFun symbItems ())

parse_symb_map_items Haskell = Just(toParseFun symbMapItems ())

type Haskell_Sublogics = ()

type Sentence = AHsDecl

type Symbol = ()

type RawSymbol = ()

instance Sentences Haskell Sentence () Sign Morphism Symbol

preludeSign :: ModuleInfo

preludeSign = ModuleInfo {

moduleName = AModule "Prelude",

varAssumps = (listToEnv $ map assumpToPair preludeDefs),

tyconsMembers = tyconsMembersHaskellPrelude,

dconsAssumps = (listToEnv $ map assumpToPair preludeDataCons),

classHierarchy = listToEnv preludeClasses,

kinds = (listToEnv preludeTyconAndClassKinds),

infixDecls = preludeInfixDecls,

synonyms = preludeSynonyms

}

{- basic_analysis :: lid ->

Maybe((basic_spec, -- abstract syntax tree

sign, -- signature of imported modules

GlobalAnnos) -> -- global annotations

Result (basic_spec, -- renamed module

sign,sign, -- (total, delta)

-- delta = deklarations in the modul

-- total = imported + delta

[Named sentence] -- programdefinitions))

basic_analysis calculates from the abstract syntax tree the types of

all functions and tests wether all used identifiers are declared

-}

instance StaticAnalysis Haskell HsDecls

Sentence ()

SYMB_ITEMS SYMB_MAP_ITEMS

Sign

Morphism

Symbol RawSymbol

where

empty_signature Haskell = emptyModuleInfo

basic_analysis Haskell = Just(basicAnalysis)

where basicAnalysis (basicSpec, sig, _) =

let basicMod = HsModule (Module "Anonymous") Nothing [] basicSpec

-- re-group matches into their associated funbinds (patch up the output from the parser)

moduleSyntaxFixedFunBinds = fixFunBindsInModule basicMod

-- map the abstract syntax into the annotated abstract syntax

annotatedSyntax = toAHsModule moduleSyntaxFixedFunBinds

(moduleEnv,

dataConEnv,

newClassHierarchy,

newKindInfoTable,

moduleIds,

moduleRenamed,

moduleSynonyms) = tiModule [] annotatedSyntax sig

modInfo = ModuleInfo {varAssumps = moduleEnv,

moduleName = getAModuleName annotatedSyntax,

dconsAssumps = dataConEnv,

classHierarchy = newClassHierarchy,

kinds = newKindInfoTable,

tyconsMembers = getTyconsMembers moduleRenamed,

infixDecls = getInfixDecls moduleRenamed,

synonyms = moduleSynonyms }

in

Result {diags = [],

maybeResult = Just(basicSpec, modInfo,

(joinModuleInfo sig modInfo),

(extractSentences annotatedSyntax)) }

instance Logic Haskell Haskell_Sublogics

HsDecls Sentence SYMB_ITEMS SYMB_MAP_ITEMS

Sign

Morphism

Symbol RawSymbol ()

where data_logic Haskell = Nothing