{- |

Module : $Header$

Description : Abstract syntax for logic definitions

Copyright : (c) Kristina Sojakova, DFKI Bremen 2010

License : GPLv2 or higher, see LICENSE.txt

Maintainer : k.sojakova@jacobs-university.de

Stability : experimental

Portability : portable

-}

module Framework.AS where

import Common.Id

import Common.IRI (IRI)

import Common.Doc

import Common.DocUtils

import Common.Keywords

type NAME = IRI

type SIG_NAME = IRI

type MORPH_NAME = IRI

type PATTERN_NAME = Token

data FRAM = LF | Isabelle | Maude deriving (Ord, Eq, Show)

data LogicDef = LogicDef

{ -- the name of the object logic

newlogicName :: NAME,

-- the framework used for defining the object logic

meta :: FRAM,

{- name of the morphism specifying the sentences and truth judgement of the

object logic -}

syntax :: MORPH_NAME,

-- name of the morphism specifying the model category of the object logic

models :: MORPH_NAME,

-- the foundation used to construct the model theory of the object logic

foundation :: SIG_NAME,

-- name of the morphism specifying the proof category of the object logic

proofs :: MORPH_NAME,

-- name of the pattern specifying the signature category of the object logic

patterns :: PATTERN_NAME

} deriving (Ord, Eq, Show)

data ComorphismDef = ComorphismDef

{ -- the name of the comorphism

newcomorphismName :: NAME,

-- the framework used for defining the comorphism

metaC :: FRAM,

-- name of the source logic

source :: SIG_NAME,

-- name of the target logic

target :: SIG_NAME,

{- name of the morphism between the syntax of the source logic and

the syntax of the target logic -}

syntaxC :: MORPH_NAME,

{- name of the morphism between the model category of the source logic and

the model category of the target logic -}

modelC :: MORPH_NAME,

{- name of the morphism between the proof category of the source logic and

the proof category of the target logic -}

proofC :: MORPH_NAME

} deriving (Ord, Eq, Show)

instance GetRange LogicDef

instance GetRange ComorphismDef

instance Pretty LogicDef where

pretty = printLogicDef

instance Pretty ComorphismDef where

pretty = printComorphismDef

instance Pretty FRAM where

pretty = printFram

printLogicDef :: LogicDef -> Doc

printLogicDef (LogicDef l ml s m f p pa) =

vcat [ text newlogicS <+> pretty l

, text " " <+> text metaS <+> pretty ml

, text " " <+> text syntaxS <+> pretty s

, text " " <+> text modelsS <+> pretty m

, text " " <+> text foundationS <+> pretty f

, text " " <+> text proofsS <+> pretty p

, text " " <+> text patternsS <+> pretty pa

]

printComorphismDef :: ComorphismDef -> Doc

printComorphismDef (ComorphismDef c ml sl tl s m p) =

vcat [ text newcomorphismS <+> pretty c

, text " " <+> text metaS <+> pretty ml

, text " " <+> text sourceS <+> pretty sl

, text " " <+> text targetS <+> pretty tl

, text " " <+> text syntaxS <+> pretty s

, text " " <+> text modelsS <+> pretty m

, text " " <+> text proofsS <+> pretty p

]

printFram :: FRAM -> Doc

printFram LF = text "LF"

printFram Isabelle = text "Isabelle"

printFram Maude = text "Maude"