module Language.Eiffel.Syntax where
import Control.DeepSeq
import Control.Lens hiding (op)
import Data.List
import Data.Hashable
import qualified Data.HashMap.Strict as Map
import Data.HashMap.Strict (HashMap)
import Data.Set (Set)
import qualified Data.Text.Encoding as Text
import Data.Text (Text)
import Data.DeriveTH
import Data.Binary
import qualified GHC.Generics as G
import Language.Eiffel.Position
type Map = HashMap
type Clas = ClasBody Expr
type ClasBody exp = AbsClas (RoutineBody exp) exp
type ClasInterface = AbsClas EmptyBody Expr
type ClasI exp = AbsClas (RoutineBody exp) exp
data AbsClas body exp =
AbsClas
{
frozenClass :: Bool,
expandedClass :: Bool,
deferredClass :: Bool,
classNote :: [Note],
className :: ClassName,
currProc :: Proc,
procGeneric :: [Proc],
procExpr :: [ProcDecl],
generics :: [Generic],
obsoleteClass :: Bool,
inherit :: [Inheritance],
creates :: [CreateClause],
converts :: [ConvertClause],
featureMap :: FeatureMap body exp,
invnts :: [Clause exp]
} deriving (Eq, Show)
data FeatureMap body exp =
FeatureMap
{ _fmRoutines :: !(Map Text (ExportedFeature (AbsRoutine body exp)))
, _fmAttrs :: Map Text (ExportedFeature (Attribute exp))
, _fmConsts :: Map Text (ExportedFeature (Constant exp))
} deriving (Show, Eq)
data ExportedFeature feat =
ExportedFeature { _exportClass :: Set Text
, _exportFeat :: !feat
} deriving (Eq, Ord, Show)
data SomeFeature body exp
= SomeRoutine (AbsRoutine body exp)
| SomeAttr (Attribute exp)
| SomeConst (Constant exp)
deriving (Eq, Show, Ord)
data Inheritance
= Inheritance
{ inheritNonConform :: Bool
, inheritClauses :: [InheritClause]
} deriving (Show, Eq)
data InheritClause
= InheritClause
{ inheritClass :: Typ
, rename :: [RenameClause]
, export :: [ExportClause]
, undefine :: [Text]
, redefine :: [Text]
, select :: [Text]
} deriving (Show, Eq)
data RenameClause =
Rename { renameOrig :: Text
, renameNew :: Text
, renameAlias :: Maybe Text
} deriving (Show, Eq)
data ExportList = ExportFeatureNames [Text] | ExportAll deriving (Show, Eq)
data ExportClause =
Export { exportTo :: [ClassName]
, exportWhat :: ExportList
} deriving (Show, Eq)
data Generic =
Generic { genericName :: ClassName
, genericConstType :: [Typ]
, genericCreate :: Maybe [Text]
} deriving (Show, Eq)
data CreateClause =
CreateClause { createExportNames :: [ClassName]
, createNames :: [Text]
} deriving (Show, Eq)
data ConvertClause = ConvertFrom Text [Typ]
| ConvertTo Text [Typ] deriving (Show, Eq)
data FeatureClause body exp =
FeatureClause { exportNames :: [ClassName]
, routines :: [AbsRoutine body exp]
, attributes :: [Attribute exp]
, constants :: [Constant exp]
} deriving (Show, Eq)
type RoutineI = AbsRoutine EmptyBody Expr
type RoutineWithBody exp = AbsRoutine (RoutineBody exp) exp
type Routine = RoutineWithBody Expr
data EmptyBody = EmptyBody deriving (Show, Eq, Ord)
data Contract exp =
Contract { contractInherited :: Bool
, contractClauses :: [Clause exp]
} deriving (Show, Eq, Ord)
data AbsRoutine body exp =
AbsRoutine
{ routineFroz :: !Bool
, routineName :: !Text
, routineAlias :: Maybe Text
, routineArgs :: [Decl]
, routineResult :: Typ
, routineAssigner :: Maybe Text
, routineNote :: [Note]
, routineProcs :: [Proc]
, routineReq :: Contract exp
, routineReqLk :: [ProcExpr]
, routineImpl :: !body
, routineEns :: Contract exp
, routineEnsLk :: [Proc]
, routineRescue :: Maybe [PosAbsStmt exp]
} deriving (Show, Eq, Ord)
data RoutineBody exp
= RoutineDefer
| RoutineExternal Text (Maybe Text)
| RoutineBody
{ routineLocal :: [Decl]
, routineLocalProcs :: [ProcDecl]
, routineBody :: PosAbsStmt exp
} deriving (Show, Eq, Ord)
data Attribute exp =
Attribute { attrFroz :: Bool
, attrDecl :: Decl
, attrAssign :: Maybe Text
, attrNotes :: [Note]
, attrReq :: Contract exp
, attrEns :: Contract exp
} deriving (Show, Eq, Ord)
data Constant exp =
Constant { constFroz :: Bool
, constDecl :: Decl
, constVal :: exp
} deriving (Show, Eq, Ord)
type Expr = Pos UnPosExpr
data BinOp = Add
| Sub
| Mul
| Div
| Quot
| Rem
| Pow
| Or
| OrElse
| Xor
| And
| AndThen
| Implies
| RelOp ROp Typ
| SymbolOp Text
deriving (Show, Ord, Eq)
data ROp = Lte
| Lt
| Eq
| TildeEq
| Neq
| TildeNeq
| Gt
| Gte
deriving (Show, Ord, Eq)
data UnOp = Not
| Neg
| Old
deriving (Show, Ord, Eq)
data UnPosExpr =
UnqualCall Text [Expr]
| QualCall Expr Text [Expr]
| Lookup Expr [Expr]
| PrecursorCall (Maybe Text) [Expr]
| BinOpExpr BinOp Expr Expr
| UnOpExpr UnOp Expr
| Address Expr
| Attached (Maybe Typ) Expr (Maybe Text)
| AcrossExpr Expr Text Quant Expr
| Agent Expr
| CreateExpr Typ Text [Expr]
| Tuple [Expr]
| InlineAgent [Decl] (Maybe Typ) [Stmt] [Expr]
| ManifestCast Typ Expr
| TypedVar Text Typ
| VarOrCall Text
| ResultVar
| OnceStr Text
| CurrentVar
| StaticCall Typ Text [Expr]
| LitArray [Expr]
| LitString Text
| LitChar Char
| LitInt Integer
| LitBool Bool
| LitVoid
| LitDouble Double
| LitType Typ deriving (Ord, Eq)
data Quant = All | Some deriving (Eq, Ord, Show)
commaSepShow es = intercalate "," (map show es)
argsShow args = "(" ++ commaSepShow args ++ ")"
defaultCreate :: Text
defaultCreate = "default_create"
instance Show UnPosExpr where
show (UnqualCall s args) = show s ++ argsShow args
show (QualCall t s args) = show t ++ "." ++ show s ++ argsShow args
show (Lookup t args) = show t ++ "[" ++ commaSepShow args ++ "]"
show (PrecursorCall t args) = "Precursor " ++ show t ++ argsShow args
show (BinOpExpr op e1 e2)
= "(" ++ show e1 ++ " " ++ show op ++ " " ++ show e2 ++ ")"
show (UnOpExpr op e) = "(" ++ show op ++ " " ++ show e ++ ")"
show (Attached s1 e s2) = "(attached " ++ show s1 ++ ", "
++ show e ++ " as " ++ show s2 ++ ")"
show (CreateExpr t s args)
= "create {" ++ show t ++ "}." ++ show s
++ "(" ++ intercalate "," (map show args) ++ ")"
show (AcrossExpr c as quant e) =
"across " ++ show c ++ " as " ++ show as ++ " "
++ show quant ++ " " ++ show e
show (TypedVar var t) = "(" ++ show var ++ ": " ++ show t ++ ")"
show (ManifestCast t e) = "{" ++ show t ++ "} " ++ show e
show (StaticCall t i args) = "{" ++ show t ++ "}."
++ show i ++ argsShow args
show (Address e) = "$" ++ show e
show (OnceStr s) = "once " ++ show s
show (VarOrCall s) = show s
show ResultVar = "Result"
show CurrentVar = "Current"
show (LitString s) = "\"" ++ show s ++ "\""
show (LitChar c) = "'" ++ [c] ++ "'"
show (LitInt i) = show i
show (LitBool b) = show b
show (LitDouble d) = show d
show (LitType t) = "({" ++ show t ++ "})"
show (Tuple es) = show es
show (LitArray es) = "<<" ++ commaSepShow es ++ ">>"
show (Agent e) = "agent " ++ show e
show (InlineAgent ds r ss args) =
"agent " ++ show ds ++ ":" ++ show r ++ " " ++ show ss
++ " " ++ show args
show LitVoid = "Void"
data Typ = ClassType ClassName [Typ]
| TupleType (Either [Typ] [Decl])
| Sep (Maybe Proc) [Proc] Text
| Like Text
| VoidType
| NoType deriving (Eq, Ord, G.Generic)
instance Hashable Typ
data Decl = Decl
{ declName :: Text,
declType :: Typ
} deriving (Ord, Eq, G.Generic)
instance Hashable Decl
instance Show Decl where
show (Decl name typ) = show name ++ ":" ++ show typ
data Proc = Dot
| Proc {unProcGen :: Text}
deriving (Eq, Ord, G.Generic)
instance Hashable Proc
instance Show Proc where
show Dot = "<.>"
show p = show $ unProcGen p
instance Show Typ where
show (Sep c ps t) = concat [ "separate <", show c, ">"
, show (map unProcGen ps)," ",show t
]
show NoType = "notype"
show VoidType = "NONE"
show (Like e) = "like " ++ show e
show (ClassType s gs) = show s ++ show gs
show (TupleType typesDecls) = "TUPLE " ++ show typesDecls
type ClassName = Text
type Stmt = PosAbsStmt Expr
type UnPosStmt = AbsStmt Expr
type PosAbsStmt a = Pos (AbsStmt a)
data AbsStmt a = Assign a a
| AssignAttempt a a
| If a (PosAbsStmt a) [ElseIfPart a] (Maybe (PosAbsStmt a))
| Malloc ClassName
| Create (Maybe Typ) a Text [a]
| Across a Text (PosAbsStmt a)
| Loop (PosAbsStmt a) [Clause a] a (PosAbsStmt a) (Maybe a)
| CallStmt a
| Retry
| Inspect a [([a], PosAbsStmt a)] (Maybe (PosAbsStmt a))
| Check [Clause a]
| CheckBlock [Clause a] (PosAbsStmt a)
| Block [PosAbsStmt a]
| Debug Text (PosAbsStmt a)
| Print a
| PrintD a
| BuiltIn deriving (Ord, Eq)
data ElseIfPart a = ElseIfPart a (PosAbsStmt a) deriving (Show, Ord, Eq)
instance Show a => Show (AbsStmt a) where
show (Block ss) = intercalate ";\n" . map show $ ss
show (If b body elseifs elseMb) = concat
[ "if ", show b, "\n"
, "then ", show body, "\n"
, "elseifs: ", show elseifs, "\n"
, "else: ", show elseMb
]
show (Inspect i cases def) = "inspect " ++ show i
++ concat (map showCase cases)
++ showDefault def
show (Across e as stmt) = "across " ++ show e ++ " " ++ show as ++
"\nloop\n" ++ show stmt ++ "\nend"
show Retry = "retry"
show (Check cs) = "check " ++ show cs ++ " end"
show (CheckBlock e body) = "checkBlock " ++ show e ++ "\n" ++ show body
show (Create t trg fName args) =
concat ["create ", braced t, show trg, ".", show fName, show args]
show (CallStmt e) = show e
show (Assign i e) = show i ++ " := " ++ show e ++ "\n"
show (AssignAttempt i e) = show i ++ " ?= " ++ show e ++ "\n"
show (Print e) = "Printing: " ++ show e ++ "\n"
show (PrintD e) = "PrintingD: " ++ show e ++ "\n"
show (Loop fr _ un l var) = "from" ++ show fr ++ " until" ++ show un ++
" loop " ++ show l ++ "variant" ++ show var ++ "end"
show (Malloc s) = "Malloc: " ++ show s
show (Debug str stmt) = "debug (" ++ show str ++ ")\n"
++ show stmt ++ "end\n"
show BuiltIn = "built_in"
braced t = case t of
Nothing -> ""
Just t' -> "{" ++ show t' ++ "}"
showCase (l, s) = "when " ++ show l ++ " then\n" ++ show s
showDefault Nothing = ""
showDefault (Just s) = "else\n" ++ show s
data ProcExpr = LessThan Proc Proc deriving (Show, Eq, Ord)
data ProcDecl = SubTop Proc
| CreateLessThan Proc Proc
deriving (Show, Eq, Ord)
data Clause a = Clause
{ clauseName :: Maybe Text
, clauseExpr :: a
} deriving (Show, Ord, Eq)
data Note = Note { noteTag :: Text
, noteContent :: [UnPosExpr]
} deriving (Show, Eq, Ord)
instance Binary Text where
put = put . Text.encodeUtf8
get = fmap Text.decodeUtf8 get
instance (Eq k, Hashable k, Binary k, Binary v) =>
Binary (HashMap k v) where
put = put . Map.toList
get = fmap Map.fromList get
$( derive makeBinary ''Typ )
$( derive makeBinary ''UnPosExpr )
$( derive makeBinary ''BinOp )
$( derive makeBinary ''Quant )
$( derive makeBinary ''Decl )
$( derive makeBinary ''UnOp )
$( derive makeBinary ''ROp )
$( derive makeBinary ''AbsStmt )
$( derive makeBinary ''ElseIfPart )
$( derive makeBinary ''ProcExpr )
$( derive makeBinary ''ExportList )
$( derive makeBinary ''ExportClause )
$( derive makeBinary ''RenameClause )
$( derive makeBinary ''Constant )
$( derive makeBinary ''Attribute )
$( derive makeBinary ''AbsRoutine )
$( derive makeBinary ''EmptyBody )
$( derive makeBinary ''Contract )
$( derive makeBinary ''Proc )
$( derive makeBinary ''ProcDecl )
$( derive makeBinary ''Generic )
$( derive makeBinary ''Clause )
$( derive makeBinary ''FeatureClause )
$( derive makeBinary ''ConvertClause )
$( derive makeBinary ''CreateClause )
$( derive makeBinary ''InheritClause )
$( derive makeBinary ''Inheritance )
$( derive makeBinary ''Note )
$( derive makeBinary ''SomeFeature )
$( derive makeBinary ''FeatureMap )
$( derive makeBinary ''ExportedFeature )
$( derive makeBinary ''AbsClas )
$( derive makeNFData ''Typ )
$( derive makeNFData ''UnPosExpr )
$( derive makeNFData ''BinOp )
$( derive makeNFData ''Quant )
$( derive makeNFData ''Decl )
$( derive makeNFData ''UnOp )
$( derive makeNFData ''ROp )
$( derive makeNFData ''AbsStmt )
$( derive makeNFData ''ElseIfPart )
$( derive makeNFData ''ProcExpr )
$( derive makeNFData ''ExportList )
$( derive makeNFData ''ExportClause )
$( derive makeNFData ''RenameClause )
$( derive makeNFData ''Constant )
$( derive makeNFData ''Attribute )
$( derive makeNFData ''AbsRoutine )
$( derive makeNFData ''RoutineBody )
$( derive makeNFData ''EmptyBody )
$( derive makeNFData ''Contract )
$( derive makeNFData ''Proc )
$( derive makeNFData ''ProcDecl )
$( derive makeNFData ''Generic )
$( derive makeNFData ''Clause )
$( derive makeNFData ''FeatureClause )
$( derive makeNFData ''ConvertClause )
$( derive makeNFData ''CreateClause )
$( derive makeNFData ''InheritClause )
$( derive makeNFData ''Inheritance )
$( derive makeNFData ''Note )
$( derive makeNFData ''SomeFeature )
$( derive makeNFData ''ExportedFeature )
$( derive makeNFData ''FeatureMap )
$( derive makeNFData ''AbsClas )
makeLenses ''ExportedFeature
makeLenses ''FeatureMap