ampersand-3.0.2: src/lib/DatabaseDesign/Ampersand/Core/ParseTree.hs
{-# OPTIONS_GHC -Wall #-}
module DatabaseDesign.Ampersand.Core.ParseTree (
P_Context(..)
, Meta(..)
, MetaObj(..)
, P_Process(..)
, P_RoleRelation(..)
, RoleRule(..)
, P_Pattern(..)
, P_Declaration(..)
, Term(..), TermPrim(..)
, PairView(..), PairViewSegment(..), PairViewTerm(..), PairViewSegmentTerm(..)
, SrcOrTgt(..), isSrc
, P_Rule(..)
, ConceptDef(..)
, P_Population(..)
, P_ObjectDef, P_SubInterface, P_Interface(..), P_ObjDef(..), P_SubIfc(..)
, P_IdentDef(..) , P_IdentSegment(..)
, P_ViewDef , P_ViewSegment
, P_ViewD(..) , P_ViewSegmt(..)
, PPurpose(..),PRef2Obj(..),PMeaning(..),PMessage(..)
, P_Concept(..), P_Sign(..)
, P_Gen(..)
, Lang(..)
, P_Markup(..)
, PandocFormat(..)
, Label(..)
, Prop(..), Props
-- Inherited stuff:
, module DatabaseDesign.Ampersand.Input.ADL1.FilePos
, module DatabaseDesign.Ampersand.ADL1.Pair
, gen_concs
)
where
import DatabaseDesign.Ampersand.Input.ADL1.FilePos
import DatabaseDesign.Ampersand.Basics
import DatabaseDesign.Ampersand.ADL1.Pair (Pairs,Paire,mkPair ,srcPaire, trgPaire)
import Data.Traversable
import Data.Foldable
import Prelude hiding (foldr, sequence)
import Control.Applicative
fatal :: Int -> String -> a
fatal = fatalMsg "Core.ParseTree"
data P_Context
= PCtx{ ctx_nm :: String -- ^ The name of this context
, ctx_pos :: [Origin] -- ^ The origin of the context. A context can be a merge of a file including other files c.q. a list of Origin.
, ctx_lang :: Maybe Lang -- ^ The default language specified by this context, if specified at all.
, ctx_markup :: Maybe PandocFormat -- ^ The default markup format for free text in this context
, ctx_thms :: [String] -- ^ Names of patterns/processes to be printed in the functional specification. (For partial documents.)
, ctx_pats :: [P_Pattern] -- ^ The patterns defined in this context
, ctx_PPrcs :: [P_Process] -- ^ The processes as defined by the parser
, ctx_rs :: [(P_Rule TermPrim)] -- ^ All user defined rules in this context, but outside patterns and outside processes
, ctx_ds :: [P_Declaration] -- ^ The relations defined in this context, outside the scope of patterns
, ctx_cs :: [ConceptDef] -- ^ The concept definitions defined in this context, outside the scope of patterns
, ctx_ks :: [P_IdentDef] -- ^ The identity definitions defined in this context, outside the scope of patterns
, ctx_vs :: [P_ViewDef] -- ^ The view definitions defined in this context, outside the scope of patterns
, ctx_gs :: [P_Gen] -- ^ The gen definitions defined in this context, outside the scope of patterns
, ctx_ifcs :: [P_Interface] -- ^ The interfaces defined in this context, outside the scope of patterns
, ctx_ps :: [PPurpose] -- ^ The purposes defined in this context, outside the scope of patterns
, ctx_pops :: [P_Population] -- ^ The populations defined in this context
, ctx_sql :: [P_ObjectDef] -- ^ user defined sqlplugs, taken from the Ampersand script
, ctx_php :: [P_ObjectDef] -- ^ user defined phpplugs, taken from the Ampersand script
, ctx_metas :: [Meta] -- ^ generic meta information (name/value pairs) that can be used for experimenting without having to modify the adl syntax
} deriving Show
instance Eq P_Context where
c1 == c2 = name c1 == name c2
instance Identified P_Context where
name = ctx_nm
-- for declaring name/value pairs with information that is built in to the adl syntax yet
data Meta = Meta { mtPos :: Origin
, mtObj :: MetaObj
, mtName :: String
, mtVal :: String
} deriving (Show)
data MetaObj = ContextMeta deriving Show -- for now, we just have meta data for the entire context
-- | A RoleRelation rs means that any role in 'rrRoles rs' may edit any Relation in 'rrInterfaces rs'
data P_RoleRelation
= P_RR { rr_Roles :: [String] -- ^ name of a role
, rr_Rels :: [TermPrim] -- ^ Typically: PTrel nm sgn, with nm::String and sgn::P_Sign representing a Relation with type information
, rr_Pos :: Origin -- ^ position in the Ampersand script
} deriving (Show) -- deriving Show is just for debugging
instance Eq P_RoleRelation where rr==rr' = origin rr==origin rr'
instance Traced P_RoleRelation where
origin = rr_Pos
data P_Process
= P_Prc { procNm :: String
, procPos :: Origin -- ^ the start position in the file
, procEnd :: Origin -- ^ the end position in the file
, procRules :: [(P_Rule TermPrim)] -- ^ the rules in this process
, procGens :: [P_Gen] -- ^ the generalizations in this process
, procDcls :: [P_Declaration] -- ^ the relation that are declared in this process
, procRRuls :: [RoleRule] -- ^ The assignment of roles to rules.
, procRRels :: [P_RoleRelation] -- ^ The assignment of roles to Relations.
, procCds :: [ConceptDef] -- ^ The concept definitions defined in this process
, procIds :: [P_IdentDef] -- ^ The identity definitions defined in this process
, procVds :: [P_ViewDef] -- ^ The view definitions defined in this process
, procXps :: [PPurpose] -- ^ The purposes of elements defined in this process
, procPop :: [P_Population] -- ^ The populations that are local to this process
} deriving Show
instance Identified P_Process where
name = procNm
instance Traced P_Process where
origin = procPos
-- | A RoleRule r means that a role called 'mRoles r' must maintain the process rule called 'mRules r'
data RoleRule
= Maintain
{ mRoles :: [String] -- ^ name of a role
, mRules :: [String] -- ^ name of a Rule
, mPos :: Origin -- ^ position in the Ampersand script
} deriving (Eq, Show) -- deriving (Eq, Show) is just for debugging
instance Traced RoleRule where
origin = mPos
data P_Pattern
= P_Pat { pt_nm :: String -- ^ Name of this pattern
, pt_pos :: Origin -- ^ the starting position in the file in which this pattern was declared.
, pt_end :: Origin -- ^ the end position in the file in which this pattern was declared.
, pt_rls :: [(P_Rule TermPrim)] -- ^ The user defined rules in this pattern
, pt_gns :: [P_Gen] -- ^ The generalizations defined in this pattern
, pt_dcs :: [P_Declaration] -- ^ The relations that are declared in this pattern
, pt_rus :: [RoleRule] -- ^ The assignment of roles to rules.
, pt_res :: [P_RoleRelation] -- ^ The assignment of roles to Relations.
, pt_cds :: [ConceptDef] -- ^ The concept definitions defined in this pattern
, pt_ids :: [P_IdentDef] -- ^ The identity definitions defined in this pattern
, pt_vds :: [P_ViewDef] -- ^ The view definitions defined in this pattern
, pt_xps :: [PPurpose] -- ^ The purposes of elements defined in this pattern
, pt_pop :: [P_Population] -- ^ The populations that are local to this pattern
} deriving (Show) -- for debugging purposes
instance Identified P_Pattern where
name = pt_nm
instance Traced P_Pattern where
origin = pt_pos
data ConceptDef
= Cd { cdpos :: Origin -- ^ The position of this definition in the text of the Ampersand source (filename, line number and column number).
, cdcpt :: String -- ^ The name of the concept for which this is the definition. If there is no such concept, the conceptdefinition is ignored.
, cdplug:: Bool -- ^ Whether the user specifically told Ampersand not to store this concept in the database
, cddef :: String -- ^ The textual definition of this concept.
, cdtyp :: String -- ^ The (SQL) type of this concept.
, cdref :: String -- ^ A label meant to identify the source of the definition. (useful as LaTeX' symbolic reference)
, cdfrom:: String -- ^ The name of the pattern or context in which this concept definition was made
} deriving (Show,Eq)
instance Traced ConceptDef where
origin = cdpos
instance Identified ConceptDef where
name = cdcpt
data P_Declaration =
P_Sgn { dec_nm :: String -- ^ the name of the declaration
, dec_sign :: P_Sign -- ^ the type. Parser must guarantee it is not empty.
, dec_prps :: Props -- ^ the user defined multiplicity properties (Uni, Tot, Sur, Inj) and algebraic properties (Sym, Asy, Trn, Rfx)
, dec_prL :: String -- ^ three strings, which form the pragma. E.g. if pragma consists of the three strings: "Person ", " is married to person ", and " in Vegas."
, dec_prM :: String -- ^ then a tuple ("Peter","Jane") in the list of links means that Person Peter is married to person Jane in Vegas.
, dec_prR :: String
, dec_Mean :: [PMeaning] -- ^ the optional meaning of a declaration, possibly more than one for different languages.
, dec_popu :: Pairs -- ^ the list of tuples, of which the relation consists.
, dec_fpos :: Origin -- ^ the position in the Ampersand source file where this declaration is declared. Not all decalartions come from the ampersand souce file.
, dec_plug :: Bool -- ^ if true, this relation may not be stored in or retrieved from the standard database (it should be gotten from a Plug of some sort instead)
} deriving Show -- for debugging and testing only
instance Eq P_Declaration where
decl==decl' = origin decl==origin decl'
instance Prelude.Ord P_Declaration where
decl `compare` decl' = origin decl `compare` origin decl'
instance Identified P_Declaration where
name = dec_nm
instance Traced P_Declaration where
origin = dec_fpos
data TermPrim
= PI Origin -- ^ identity element without a type
-- At parse time, there may be zero or one element in the list of concepts.
-- Reason: when making eqClasses, the least element of that class is used as a witness of that class
-- to know whether an eqClass represents a concept, we only look at its witness
-- By making Pid the first in the data decleration, it becomes the least element for "deriving Ord".
| Pid Origin P_Concept -- ^ identity element restricted to a type
| Patm Origin String (Maybe P_Concept) -- ^ an atom, possibly with a type
| PVee Origin -- ^ the complete relation, of which the type is yet to be derived by the type checker.
| Pfull Origin P_Concept P_Concept -- ^ the complete relation, restricted to a type.
-- At parse time, there may be zero, one or two elements in the list of concepts.
| Prel Origin String -- ^ we expect expressions in flip-normal form
| PTrel Origin String P_Sign -- ^ type cast expression
deriving Show
data Term a
= Prim a
| Pequ Origin (Term a) (Term a) -- ^ equivalence =
| Pimp Origin (Term a) (Term a) -- ^ implication |-
| PIsc Origin (Term a) (Term a) -- ^ intersection /\
| PUni Origin (Term a) (Term a) -- ^ union \/
| PDif Origin (Term a) (Term a) -- ^ difference -
| PLrs Origin (Term a) (Term a) -- ^ left residual /
| PRrs Origin (Term a) (Term a) -- ^ right residual \
| PDia Origin (Term a) (Term a) -- ^ diamond <>
| PCps Origin (Term a) (Term a) -- ^ composition ;
| PRad Origin (Term a) (Term a) -- ^ relative addition !
| PPrd Origin (Term a) (Term a) -- ^ cartesian product *
| PKl0 Origin (Term a) -- ^ Rfx.Trn closure * (Kleene star)
| PKl1 Origin (Term a) -- ^ Transitive closure + (Kleene plus)
| PFlp Origin (Term a) -- ^ conversion (flip, wok) ~
| PCpl Origin (Term a) -- ^ Complement
| PBrk Origin (Term a) -- ^ bracketed expression ( ... )
deriving (Show) -- deriving Show for debugging purposes
instance Functor Term where fmap = fmapDefault
instance Foldable Term where foldMap = foldMapDefault
instance Traversable Term where
traverse f' x
= case x of
Prim a -> Prim <$> f' a
Pequ o a b -> Pequ o <$> (f a) <*> (f b)
Pimp o a b -> Pimp o <$> (f a) <*> (f b)
PIsc o a b -> PIsc o <$> (f a) <*> (f b)
PUni o a b -> PUni o <$> (f a) <*> (f b)
PDif o a b -> PDif o <$> (f a) <*> (f b)
PLrs o a b -> PLrs o <$> (f a) <*> (f b)
PRrs o a b -> PRrs o <$> (f a) <*> (f b)
PDia o a b -> PDia o <$> (f a) <*> (f b)
PCps o a b -> PCps o <$> (f a) <*> (f b)
PRad o a b -> PRad o <$> (f a) <*> (f b)
PPrd o a b -> PPrd o <$> (f a) <*> (f b)
PKl0 o a -> PKl0 o <$> (f a)
PKl1 o a -> PKl1 o <$> (f a)
PFlp o a -> PFlp o <$> (f a)
PCpl o a -> PCpl o <$> (f a)
PBrk o a -> PBrk o <$> (f a)
where f = traverse f'
instance Functor P_SubIfc where fmap = fmapDefault
instance Foldable P_SubIfc where foldMap = foldMapDefault
instance Traversable P_SubIfc where
traverse _ (P_InterfaceRef a b) = pure (P_InterfaceRef a b)
traverse f (P_Box b lst) = P_Box b <$> (traverse (traverse f) lst)
instance Traced (P_SubIfc a) where
origin = si_ori
instance Functor P_ObjDef where fmap = fmapDefault
instance Foldable P_ObjDef where foldMap = foldMapDefault
instance Traversable P_ObjDef where
traverse f (P_Obj nm pos ctx msub strs)
= (\ctx' msub'->(P_Obj nm pos ctx' msub' strs)) <$>
traverse f ctx <*> traverse (traverse f) msub
instance Traced TermPrim where
origin e = case e of
PI orig -> orig
Pid orig _ -> orig
Patm orig _ _ -> orig
PVee orig -> orig
Pfull orig _ _ -> orig
Prel orig _ -> orig
PTrel orig _ _ -> orig
instance Identified TermPrim where
name e = case e of
PI _ -> "I"
Pid _ _ -> "I"
Patm _ s _ -> s
PVee _ -> "V"
Pfull _ _ _ -> "V"
Prel _ r -> r
PTrel _ r _ -> r
instance Traced a => Traced (Term a) where
origin e = case e of
Prim a -> origin a
Pequ orig _ _ -> orig
Pimp orig _ _ -> orig
PIsc orig _ _ -> orig
PUni orig _ _ -> orig
PDif orig _ _ -> orig
PLrs orig _ _ -> orig
PRrs orig _ _ -> orig
PDia orig _ _ -> orig
PCps orig _ _ -> orig
PRad orig _ _ -> orig
PPrd orig _ _ -> orig
PKl0 orig _ -> orig
PKl1 orig _ -> orig
PFlp orig _ -> orig
PCpl orig _ -> orig
PBrk orig _ -> orig
data SrcOrTgt = Src | Tgt deriving (Show, Eq, Ord)
instance Flippable SrcOrTgt where
flp Src = Tgt
flp Tgt = Src
isSrc :: SrcOrTgt -> Bool
isSrc Src = True
isSrc Tgt = False
data PairView a = PairView { ppv_segs :: [PairViewSegment a] } deriving Show
data PairViewSegment a = PairViewText String
| PairViewExp SrcOrTgt a
deriving Show
-- | the newtype to make it possible for a PairView to be disambiguatable: it must be of the form "d a" instead of "d (Term a)"
newtype PairViewTerm a = PairViewTerm (PairView (Term a))
newtype PairViewSegmentTerm a = PairViewSegmentTerm (PairViewSegment (Term a))
instance Traversable PairViewSegmentTerm where
traverse f (PairViewSegmentTerm x) = PairViewSegmentTerm <$> traverse (traverse f) x
instance Functor PairViewSegmentTerm where fmap = fmapDefault
instance Foldable PairViewSegmentTerm where foldMap = foldMapDefault
instance Traversable PairViewTerm where
traverse f (PairViewTerm x) = PairViewTerm <$> traverse (traverse f) x
instance Functor PairViewTerm where fmap = fmapDefault
instance Foldable PairViewTerm where foldMap = foldMapDefault
instance Traversable PairViewSegment where
traverse _ (PairViewText s) = pure (PairViewText s)
traverse f (PairViewExp st x) = PairViewExp st <$> f x
instance Functor PairViewSegment where fmap = fmapDefault
instance Foldable PairViewSegment where foldMap = foldMapDefault
instance Traversable PairView where
traverse f (PairView s) = PairView <$> traverse (traverse f) s
instance Functor PairView where fmap = fmapDefault
instance Foldable PairView where foldMap = foldMapDefault
data P_Rule a =
P_Ru { rr_nm :: String -- ^ Name of this rule
, rr_exp :: (Term a) -- ^ The rule expression
, rr_fps :: Origin -- ^ Position in the Ampersand file
, rr_mean :: [PMeaning] -- ^ User-specified meanings, possibly more than one, for multiple languages.
, rr_msg :: [PMessage] -- ^ User-specified violation messages, possibly more than one, for multiple languages.
, rr_viol :: Maybe (PairView (Term a)) -- ^ Custom presentation for violations, currently only in a single language
} deriving Show
instance Traced (P_Rule a) where
origin = rr_fps
instance Functor P_Rule where fmap = fmapDefault
instance Foldable P_Rule where foldMap = foldMapDefault
instance Traversable P_Rule where
traverse f (P_Ru nm expr fps mean msg viol)
= (\e v -> P_Ru nm e fps mean msg v) <$> traverse f expr <*> traverse (traverse (traverse f)) viol
instance Identified (P_Rule a) where
name = rr_nm
newtype PMeaning = PMeaning P_Markup
deriving Show
newtype PMessage = PMessage P_Markup
deriving Show
data P_Markup =
P_Markup { mLang :: Maybe Lang
, mFormat :: Maybe PandocFormat
, mString :: String
} deriving Show -- for debugging only
data P_Population
= P_RelPopu { p_rnme :: String -- the name of a relation
, p_orig :: Origin -- the origin
, p_popps :: Pairs -- the contents
}
| P_TRelPop { p_rnme :: String -- the name of a relation
, p_type :: P_Sign -- the sign of the relation
, p_orig :: Origin -- the origin
, p_popps :: Pairs -- the contents
}
| P_CptPopu { p_cnme :: String -- the name of a concept
, p_orig :: Origin -- the origin
, p_popas :: [String] -- atoms in the initial population of that concept
}
deriving Show
instance Identified P_Population where
name P_RelPopu{p_rnme = nm} = nm
name P_TRelPop{p_rnme = nm} = nm
name P_CptPopu{p_cnme = nm} = nm
instance Traced P_Population where
origin = p_orig
data P_Interface =
P_Ifc { ifc_Name :: String -- ^ the name of the interface
, ifc_Params :: [TermPrim] -- ^ a list of relations, which are editable within this interface.
-- either Prel o nm
-- or PTrel o nm sgn
, ifc_Args :: [[String]] -- ^ a list of arguments for code generation.
, ifc_Roles :: [String] -- ^ a list of roles that may use this interface
, ifc_Obj :: P_ObjectDef -- ^ the context expression (mostly: I[c])
, ifc_Pos :: Origin
, ifc_Prp :: String
} deriving Show
instance Identified P_Interface where
name = ifc_Name
instance Traced P_Interface where
origin = ifc_Pos
type P_SubInterface = P_SubIfc TermPrim
data P_SubIfc a
= P_Box { si_ori :: Origin
, si_box :: [P_ObjDef a] }
| P_InterfaceRef { si_ori :: Origin
, si_str :: String }
deriving (Eq, Show)
type P_ObjectDef = P_ObjDef TermPrim
data P_ObjDef a =
P_Obj { obj_nm :: String -- ^ view name of the object definition. The label has no meaning in the Compliant Service Layer, but is used in the generated user interface if it is not an empty string.
, obj_pos :: Origin -- ^ position of this definition in the text of the Ampersand source file (filename, line number and column number)
, obj_ctx :: Term a -- ^ this expression describes the instances of this object, related to their context.
, obj_msub :: Maybe (P_SubIfc a) -- ^ the attributes, which are object definitions themselves.
, obj_strs :: [[String]] -- ^ directives that specify the interface.
} deriving (Show) -- just for debugging (zie ook instance Show ObjectDef)
instance Eq (P_ObjDef a) where od==od' = origin od==origin od'
instance Identified (P_ObjDef a) where
name = obj_nm
instance Traced (P_ObjDef a) where
origin = obj_pos
data P_IdentDef =
P_Id { ix_pos :: Origin -- ^ position of this definition in the text of the Ampersand source file (filename, line number and column number).
, ix_lbl :: String -- ^ the name (or label) of this Identity. The label has no meaning in the Compliant Service Layer, but is used in the generated user interface. It is not an empty string.
, ix_cpt :: P_Concept -- ^ this expression describes the instances of this object, related to their context
, ix_ats :: [P_IdentSegment] -- ^ the constituent segments of this identity. TODO: refactor to a list of terms
} deriving (Show)
instance Identified P_IdentDef where
name = ix_lbl
instance Eq P_IdentDef where identity==identity' = origin identity==origin identity'
instance Traced P_IdentDef where
origin = ix_pos
data P_IdentSegment
= P_IdentExp { ks_obj :: P_ObjectDef }
deriving (Eq, Show)
type P_ViewDef = P_ViewD TermPrim
data P_ViewD a =
P_Vd { vd_pos :: Origin -- ^ position of this definition in the text of the Ampersand source file (filename, line number and column number).
, vd_lbl :: String -- ^ the name (or label) of this View. The label has no meaning in the Compliant Service Layer, but is used in the generated user interface. It is not an empty string.
, vd_cpt :: P_Concept -- ^ this expression describes the instances of this object, related to their context
, vd_ats :: [P_ViewSegmt a] -- ^ the constituent segments of this view.
} deriving (Show)
instance Identified (P_ViewD a) where
name = vd_lbl
instance Functor P_ViewD where fmap = fmapDefault
instance Foldable P_ViewD where foldMap = foldMapDefault
instance Traversable P_ViewD where
traverse f (P_Vd a b c d) = P_Vd a b c <$> traverse (traverse f) d
instance Functor P_ViewSegmt where fmap = fmapDefault
instance Foldable P_ViewSegmt where foldMap = foldMapDefault
instance Traversable P_ViewSegmt where
traverse f (P_ViewExp a) = P_ViewExp <$> traverse f a
traverse _ (P_ViewText a) = pure (P_ViewText a)
traverse _ (P_ViewHtml a) = pure (P_ViewHtml a)
instance Traced (P_ViewD a) where
origin = vd_pos
type P_ViewSegment = P_ViewSegmt TermPrim
data P_ViewSegmt a
= P_ViewExp { vs_obj :: P_ObjDef a }
| P_ViewText { vs_txt :: String }
| P_ViewHtml { vs_htm :: String }
deriving (Eq, Show)
-- PPurpose is a parse-time constructor. It contains the name of the object it explains.
-- It is a pre-explanation in the sense that it contains a reference to something that is not yet built by the compiler.
-- Constructor name RefID Explanation
data PRef2Obj = PRef2ConceptDef String
| PRef2Declaration TermPrim -- typically PTrel o nm sgn, with nm::String and sgn::P_Sign
-- or Prel o nm; Other terms become fatals
| PRef2Rule String
| PRef2IdentityDef String
| PRef2ViewDef String
| PRef2Pattern String
| PRef2Process String
| PRef2Interface String
| PRef2Context String
| PRef2Fspc String
deriving Show -- only for fatal error messages
instance Identified PRef2Obj where
name pe = case pe of
PRef2ConceptDef str -> str
PRef2Declaration (PTrel _ nm sgn) -> nm++show sgn
PRef2Declaration (Prel _ nm) -> nm
PRef2Declaration expr -> fatal 362 ("Expression "++show expr++" should never occur in PRef2Declaration")
PRef2Rule str -> str
PRef2IdentityDef str -> str
PRef2ViewDef str -> str
PRef2Pattern str -> str
PRef2Process str -> str
PRef2Interface str -> str
PRef2Context str -> str
PRef2Fspc str -> str
data PPurpose = PRef2 { pexPos :: Origin -- the position in the Ampersand script of this purpose definition
, pexObj :: PRef2Obj -- the reference to the object whose purpose is explained
, pexMarkup:: P_Markup -- the piece of text, including markup and language info
, pexRefIDs :: [String] -- the references (for traceability)
} deriving Show
instance Identified PPurpose where
name pe = name (pexObj pe)
instance Traced PPurpose where
origin = pexPos
data P_Concept
= PCpt{ p_cptnm :: String } -- ^The name of this Concept
| P_Singleton
-- deriving (Eq, Ord)
-- (Sebastiaan 12 feb 2012) P_Concept has been defined Ord, only because we want to maintain sets of concepts in the type checker for quicker lookups.
-- (Sebastiaan 11 okt 2013) Removed this again, I thought it would be more clean to use newtype for this instead
instance Identified P_Concept where
name (PCpt {p_cptnm = nm}) = nm
name P_Singleton = "ONE"
instance Show P_Concept where
showsPrec _ c = showString (name c)
data P_Sign = P_Sign {pSrc :: P_Concept, pTgt :: P_Concept }
instance Show P_Sign where
showsPrec _ sgn =
showString ( "[" ++ show (pSrc sgn)++"*"++show (pTgt sgn) ++ "]" )
data P_Gen = P_Cy{ gen_spc :: P_Concept -- ^ Left hand side concept expression
, gen_rhs :: [P_Concept] -- ^ Right hand side concept expression
, gen_fp :: Origin -- ^ Position in the Ampersand file
}
| PGen{ gen_spc :: P_Concept -- ^ specific concept
, gen_gen :: P_Concept -- ^ generic concept
, gen_fp :: Origin -- ^ the position of the GEN-rule
}
gen_concs :: P_Gen -> [P_Concept]
gen_concs (P_Cy {gen_rhs=x}) = x
gen_concs (PGen {gen_gen=x,gen_spc=y}) = [x,y]
instance Show P_Gen where
-- This show is used in error messages.
showsPrec _ g = showString ("CLASSIFY "++show (gen_spc g)++" IS "++show (gen_concs g))
instance Traced P_Gen where
origin = gen_fp
data Lang = Dutch | English deriving (Show, Eq)
data PandocFormat = HTML | ReST | LaTeX | Markdown deriving (Eq, Show)
type Props = [Prop]
data Prop = Uni -- ^ univalent
| Inj -- ^ injective
| Sur -- ^ surjective
| Tot -- ^ total
| Sym -- ^ symmetric
| Asy -- ^ antisymmetric
| Trn -- ^ transitive
| Rfx -- ^ reflexive
| Irf -- ^ irreflexive
deriving (Eq,Ord)
instance Show Prop where
showsPrec _ Uni = showString "UNI"
showsPrec _ Inj = showString "INJ"
showsPrec _ Sur = showString "SUR"
showsPrec _ Tot = showString "TOT"
showsPrec _ Sym = showString "SYM"
showsPrec _ Asy = showString "ASY"
showsPrec _ Trn = showString "TRN"
showsPrec _ Rfx = showString "RFX"
showsPrec _ Irf = showString "IRF"
instance Flippable Prop where
flp Uni = Inj
flp Tot = Sur
flp Sur = Tot
flp Inj = Uni
flp x = x
data Label = Lbl { lblnm :: String
, lblpos :: Origin
, lblstrs :: [[String]]
}
instance Eq Label where
l==l' = lblnm l==lblnm l'