{- |

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 HasCASL.AsUtils

import HasCASL.PrintAs

import HasCASL.Le

import Common.Id

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 rk ks) = case ks of

[] -> colon <+> printText0 ga rk

_ -> 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 ga td = case td of

NoTypeDefn -> empty

PreDatatype -> text "%(data type)%"

AliasTypeDefn s -> text assignS <+> printPseudoType ga s

Supertype v t f -> text equalS <+> braces

(printText0 ga v <+> colon <+> printText0 ga t <+> text dotS

<+> printText0 ga f)

DatatypeDefn dd -> text " %[" <> printText0 ga dd <> text "]%"

printAltDefn :: GlobalAnnos -> DataPat -> AltDefn -> Doc

printAltDefn ga dt (Construct mi ts p sels) = case mi of

Just i -> hang (printText0 ga i <+> colon

<+> printText0 ga (getConstrType dt p ts))

2 $ fcat (map (parens . semiT_text ga) sels)

Nothing -> text (typeS ++ sS) <+> commaT_text ga ts

instance PrettyPrint Selector where

printText0 ga (Select mi t p) =

(case mi of

Just i -> printText0 ga i <+> (case p of

Partial -> text (colonS++quMark)

Total -> colon) <> space

Nothing -> empty) <> printText0 ga t

instance PrettyPrint TypeInfo where

printText0 ga (TypeInfo _ ks sups defn) =

hang (colon <+> printList0 ga ks

<> noPrint (null sups)

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

2 $ printText0 ga defn

instance PrettyPrint TypeVarDefn where

printText0 ga (TypeVarDefn _ vk i) =

printVarKind ga vk <+> text ("%(var_" ++ shows i ")%")

instance PrettyPrint VarDefn where

printText0 ga (VarDefn ty) =

colon <+> printText0 ga ty

instance PrettyPrint ConstrInfo where

printText0 ga (ConstrInfo i t) =

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

instance PrettyPrint OpDefn where

printText0 ga od = case od of

NoOpDefn b -> text $ "%(" ++ shows b ")%"

ConstructData i -> text $ "%(construct " ++ showId i ")%"

SelectData c i -> text ("%(select from " ++ showId i " constructed by")

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

Definition b t -> hang (printText0 ga $ NoOpDefn b)

2 (text equalS <+> printText0 ga t)

instance PrettyPrint OpInfo where

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

<> (case opAttrs o of

[] -> empty

l -> comma <> commaT_text ga l))

2 $ printText0 ga (opDefn o)

instance PrettyPrint OpInfos where

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

instance PrettyPrint DataEntry where

printText0 ga (DataEntry im i k args alts) = hang

(printGenKind k <> text typeS <+> printText0 ga i

<> hcat (map (parens . printText0 ga) args))

2 (text defnS <+> vcat (map (printAltDefn ga (i, args, star)) alts))

$$ nest 2 (noPrint (Map.null im)

(text withS <+> text (typeS ++ sS) <+> printText0 ga im))

instance PrettyPrint Sentence where

printText0 ga s = case s of

Formula t -> printText0 ga t

DatatypeSen ls -> vcat (map (printText0 ga) ls)

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

instance PrettyPrint Env where

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

assumps=ops, localVars=vs,

sentences=se, envDiags=ds}) =

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

$$ printMap0 ga cm

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

$$ printMap0 ga tm

$$ noPrint (Map.null tvs) (header "Type Variables")

$$ printMap0 ga tvs

$$ noPrint (Map.null ops) (header "Assumptions")

$$ printMap0 ga ops

$$ noPrint (Map.null vs) (header "Variables")

$$ printMap0 ga vs

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

$$ vcat (map (printText0 ga) $ reverse 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) -> hang (printText0 g a)

2 $ 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

ASymbol s -> printText0 ga s