{- |

Module : $Header$

Copyright : (c) Christian Maeder and Uni Bremen 2002-2003

Maintainer : maeder@tzi.de

Stability : experimental

Portability : portable

pretty printing a HasCASL environment

-}

module HasCASL.PrintLe where

import HasCASL.As

import HasCASL.HToken

import Common.Id

import HasCASL.PrintAs

import HasCASL.Le

import Data.Maybe

import Common.GlobalAnnotations

import Common.PrettyPrint

import Common.PPUtils

import Common.Lib.Pretty as Pretty

import qualified Common.Lib.Map as Map

import Common.Keywords

instance PrettyPrint ClassInfo where

printText0 ga (ClassInfo ks) =

space <> text lessS <+> printList0 ga ks

printGenKind :: GenKind -> Doc

printGenKind k = case k of

Loose -> empty

Free -> text freeS <> space

Generated -> text generatedS <> space

instance PrettyPrint TypeDefn where

printText0 _ NoTypeDefn = empty

printText0 _ PreDatatype = space <> text "%(data type)%"

printText0 _ TypeVarDefn = space <> text "%(var)%"

printText0 ga (AliasTypeDefn s) = space <> text assignS

<+> printPseudoType ga s

printText0 ga (Supertype v t f) = space <> text equalS <+>

braces (printText0 ga v

<+> colon

<+> printText0 ga t

<+> text dotS

<+> printText0 ga f)

printText0 ga (DatatypeDefn k args alts) = text " %[" <>

printGenKind k <> (text typeS <+> text place

<+> printList0 ga args

<+> text defnS $$

vcat (map (printText0 ga) alts)) <> text "]%"

instance PrettyPrint AltDefn where

printText0 ga (Construct i ts p sels) =

printText0 ga i <+> colon

<+> listSep_text (space<>text funS<>space) ga ts <+>

text (case p of

Partial -> funS ++ quMark

Total -> funS) <+> text place

<+> hcat (map (parens . printText0 ga) sels)

instance PrettyPrint Selector where

printText0 ga (Select i t p) =

printText0 ga i <+> (case p of

Partial -> text ":?"

Total -> colon) <+> printText0 ga t

instance PrettyPrint TypeInfo where

printText0 ga (TypeInfo _ ks sups defn) =

space <> colon <+> printList0 ga ks

<> noPrint (null sups)

(space <> text lessS <+> printList0 ga sups)

<> printText0 ga defn

instance PrettyPrint ConstrInfo where

printText0 ga (ConstrInfo i t) =

printText0 ga i <+> colon <+> printText0 ga t

instance PrettyPrint OpDefn where

printText0 _ (NoOpDefn b) = space <> text ("%(" ++ show b ++ ")%")

printText0 _ VarDefn = space <> text "%(var)%"

printText0 _ (ConstructData i) = space <> text ("%(construct " ++

showId i ")%")

printText0 ga (SelectData c i) = space <> text ("%(select from " ++

showId i " constructed by")

$$ printList0 ga c <> text ")%"

printText0 ga (Definition b t) = printText0 ga (NoOpDefn b) <+>

text equalS <+> printText0 ga t

instance PrettyPrint OpInfo where

printText0 ga o = space <> colon <+> printText0 ga (opType o)

<> (case opAttrs o of

[] -> empty

l -> comma <> commaT_text ga l)

<> printText0 ga (opDefn o)

instance PrettyPrint OpInfos where

printText0 ga (OpInfos l) = vcat $ map (printText0 ga) l

instance PrettyPrint a => PrettyPrint (Maybe a) where

printText0 _ Nothing = empty

printText0 ga (Just c) = printText0 ga c

instance PrettyPrint Sentence where

printText0 ga s = case s of

Formula t -> printText0 ga t

DatatypeSen t k args alts -> printGenKind k <> text typeS

<+> printText0 ga t

<+> printList0 ga args

<+> text defnS $$

vcat (map (printText0 ga) alts)

ProgEqSen _ _ pe -> text programS <+> printText0 ga pe

instance PrettyPrint Env where

printText0 ga (Env{classMap=cm, typeMap=tm,

assumps=as, sentences=se, envDiags=ds}) =

noPrint (Map.isEmpty cm) (header "Classes")

$$ printMap0 ga cm

$$ noPrint (Map.isEmpty tm) (header "Type Constructors")

$$ printMap0 ga tm

$$ noPrint (Map.isEmpty as) (header "Assumptions")

$$ printMap0 ga as

$$ noPrint (null se) (header "Sentences")

$$ vcat (map (printText0 ga) se)

$$ noPrint (null ds) (header "Diagnostics")

$$ vcat (map (printText0 ga) $ reverse ds)

where header s = text "%%" <+> text s

<+> text (replicate (70 - length s) '-')

printMap0 :: (PrettyPrint a, Ord a, PrettyPrint b)

=> GlobalAnnos -> Map.Map a b -> Doc

printMap0 g m =

let l = Map.toList m in

vcat(map (\ (a, b) -> printText0 g a

<> printText0 g b) l)

instance PrettyPrint SymbolType where

printText0 ga t = case t of

OpAsItemType sc -> printText0 ga sc

TypeAsItemType k -> printText0 ga k

ClassAsItemType k -> printText0 ga k

instance PrettyPrint Symbol where

printText0 ga s = text (case symType s of

OpAsItemType _ -> opS

TypeAsItemType _ -> typeS

ClassAsItemType _ -> classS) <+>

printText0 ga (symName s) <+> text colonS <+>

printText0 ga (symType s)

instance PrettyPrint RawSymbol where

printText0 ga rs = case rs of

AnID i -> printText0 ga i

AKindedId k i -> printSK k <> printText0 ga i

AQualId i t -> printSK (symbTypeToKind t) <> printText0 ga i <+> colon

<+> printText0 ga t