{- |

Module : $Header$

Description : Seveal Pretty instances.

Copyright : (c) A. Tsogias, DFKI Bremen 2011

License : GPLv2 or higher, see LICENSE.txt

Maintainer : Alexis.Tsogias@dfki.de

Stability : provisional

Portability : portable

Pretty instances some data structures of As, Sign and Cons

-}

module THF.Print where

import Common.DocUtils

import Common.Doc

import Common.AS_Annotation

import THF.Cons

import THF.Sign

import THF.PrintTHF

import qualified Data.Map as Map

--------------------------------------------------------------------------------

-- Some pretty instances for datastructures defined in Cons and Sign and

-- other print methods

--------------------------------------------------------------------------------

instance Pretty BasicSpecTHF where

pretty (BasicSpecTHF _ a) = printTPTPTHF a

instance Pretty SymbolTHF where

pretty s = case symType s of

ST_Const t -> text "Constant" <+> pretty (symId s) <+> text ":"

<+> pretty t

ST_Type k -> text "Type" <+> pretty (symId s) <+> text ":"

<+> pretty k

instance Pretty SignTHF where

pretty s =

let ts = Map.fold (\ ti d -> d $+$ pretty ti) empty (types s)

cs = Map.fold (\ ci d -> d $+$ pretty ci) empty (consts s)

in text "%Types:" $+$ ts $++$ text "%Constants: " $+$ cs

instance Pretty Kind where

pretty k = case k of

Kind -> text "$tType"

VKind v -> prettyVariable v

MapKind k1 k2 _ -> pretty k1 <+> text ">" <+> pretty k2

SysType st -> prettySystemType st

ParKind k1 -> parens $ pretty k1

instance Pretty Type where

pretty t = case t of

TType -> text "$tType"

OType -> text "$o"

IType -> text "$i"

MapType t1 t2 -> pretty t1 <+> text ">" <+> pretty t2

CType c -> prettyConstant c

SType st -> prettySystemType st

VType v -> prettyVariable v

ParType t1 -> parens $ pretty t1

instance Pretty TypeInfo where

pretty ti = text "thf" <> parens (pretty (typeName ti) <> comma

<+> text "type" <> comma <+> maybe

(pretty (typeId ti) <+> colon <+> pretty (typeKind ti))

pretty (typeDef ti) <> pretty (typeAnno ti))

<> text "."

instance Pretty ConstInfo where

pretty ci = text "thf" <> parens (pretty (constName ci) <> comma

<+> text "type" <> comma <+> maybe

(pretty (constId ci) <+> colon <+> pretty (constType ci))

pretty (constDef ci) <> pretty (constAnno ci))

<> text "."

-- for now only the THFFormulas of sentences are printed

instance Pretty SentenceTHF where

pretty (Sentence _ f _) = pretty f

-- print the signature, with axioms and the proof goal

printProblemTHF :: SignTHF -> [Named SentenceTHF] -> Named SentenceTHF -> Doc

printProblemTHF sig ax gl = pretty sig $++$ text "%Axioms:" $+$

foldl (\ d e -> d $+$ printNamedSentenceTHF e) empty ax $++$

text "%Goal:" $+$ printNamedSentenceTHF gl

-- print a Named Sentence

printNamedSentenceTHF :: Named SentenceTHF -> Doc

printNamedSentenceTHF ns =

let (Sentence r f a) = sentence ns

in text "thf" <> parens (text (senAttr ns) <> comma

<+> pretty r <> comma <+> pretty f <> pretty a)

<> text "."