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Commit 50d60cf5 authored by Björn Peemöller 's avatar Björn Peemöller
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Merge branch 'master' of /home/bjp/public_html/repos/curry-frontend

parents 62f8f62f d0526478
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curry-frontend.cabal
View file @ 50d60cf5
......@@ -53,17 +53,6 @@ Executable cymake
, Check.SyntaxCheck
, Check.TypeCheck
, Check.WarnCheck
, Curry.IL
, Curry.IL.Pretty
, Curry.IL.Type
, Curry.IL.XML
, Curry.Syntax
, Curry.Syntax.Lexer
, Curry.Syntax.Parser
, Curry.Syntax.Pretty
, Curry.Syntax.ShowModule
, Curry.Syntax.Type
, Curry.Syntax.Utils
, Env.CurryEnv
, Env.NestEnv
, Env.OldScopeEnv
......@@ -73,6 +62,10 @@ Executable cymake
, Gen.GenFlatCurry
, Html.CurryHtml
, Html.SyntaxColoring
, IL
, IL.Pretty
, IL.Type
, IL.XML
, CurryBuilder
, CompilerOpts
, CurryDeps
......
src/Curry/Syntax.hs deleted 100644 → 0
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{- |A simple interface for reading and manipulating Curry source code.
(c) 2009, Holger Siegel
2011, Björn Peemöller
-}
module Curry.Syntax
( module Curry.Syntax.Type
, module Curry.Syntax.Utils
, lexFile
, parseHeader
, parseModule
, ppModule, ppIDecl
, showModule
) where
import Curry.Base.Position (Position, first)
import Curry.Base.MessageMonad (MsgMonad)
import Curry.Files.Unlit (unlit)
import qualified Curry.Syntax.Lexer as Lexer (Token, lexFile)
import qualified Curry.Syntax.Parser as Parser (parseHeader, parseSource)
import Curry.Syntax.Pretty (ppModule, ppIDecl)
import Curry.Syntax.ShowModule (showModule)
import Curry.Syntax.Type
import Curry.Syntax.Utils
{- |Return the result of a lexical analysis of the source program 'src'.
The result is a list of tuples consisting of a 'Position' and a 'Token'
-}
lexFile :: FilePath -> String -> MsgMonad [(Position, Lexer.Token)]
lexFile fn src = unlit fn src >>= \s -> Lexer.lexFile (first fn) s False []
-- | Parse a curry header
parseHeader :: FilePath -> String -> MsgMonad Module
parseHeader fn src = unlit fn src >>= Parser.parseHeader fn
-- | Parse a curry module
parseModule :: Bool -> FilePath -> String -> MsgMonad Module
parseModule likeFlat fn src = unlit fn src >>= Parser.parseSource likeFlat fn
src/Curry/Syntax/Lexer.lhs deleted 100644 → 0
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src/Curry/Syntax/Parser.lhs deleted 100644 → 0
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src/Curry/Syntax/Pretty.lhs deleted 100644 → 0
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% $Id: CurryPP.lhs,v 1.50 2004/02/15 22:10:27 wlux Exp $
%
% Copyright (c) 1999-2004, Wolfgang Lux
% See LICENSE for the full license.
%
% Modified by Martin Engelke (men@informatik.uni-kiel.de)
%
\nwfilename{CurryPP.lhs}
\section{A Pretty Printer for Curry}\label{sec:CurryPP}
This module implements a pretty printer for Curry expressions. It was
derived from the Haskell pretty printer provided in Simon Marlow's
Haskell parser.
\begin{verbatim}
> module Curry.Syntax.Pretty
> ( ppModule, ppIDecl, ppDecl, ppIdent, ppConstrTerm, ppFieldPatt, ppExpr
> , ppOp, ppStmt, ppFieldExpr, ppTypeExpr, ppAlt
> ) where
> import Text.PrettyPrint.HughesPJ
> import Curry.Base.Ident
> import Curry.Syntax.Type
\end{verbatim}
Pretty print a module
\begin{verbatim}
> ppModule :: Module -> Doc
> ppModule (Module m es ds) = ppModuleHeader m es $$ ppBlock ds
\end{verbatim}
Module header
\begin{verbatim}
> ppModuleHeader :: ModuleIdent -> Maybe ExportSpec -> Doc
> ppModuleHeader m es =
> text "module" <+> ppMIdent m <+> maybePP ppExportSpec es <+> text "where"
> ppExportSpec :: ExportSpec -> Doc
> ppExportSpec (Exporting _ es) = parenList (map ppExport es)
> ppExport :: Export -> Doc
> ppExport (Export x) = ppQIdent x
> ppExport (ExportTypeWith tc cs) = ppQIdent tc <> parenList (map ppIdent cs)
> ppExport (ExportTypeAll tc) = ppQIdent tc <> text "(..)"
> ppExport (ExportModule m) = text "module" <+> ppMIdent m
\end{verbatim}
Declarations
\begin{verbatim}
> ppBlock :: [Decl] -> Doc
> ppBlock = vcat . map ppDecl
> ppDecl :: Decl -> Doc
> ppDecl (ImportDecl _ m q asM is) =
> text "import" <+> ppQualified q <+> ppMIdent m <+> maybePP ppAs asM
> <+> maybePP ppImportSpec is
> where ppQualified q' = if q' then text "qualified" else empty
> ppAs m' = text "as" <+> ppMIdent m'
> ppDecl (InfixDecl _ fix p ops) = ppPrec fix p <+> list (map ppInfixOp ops)
> ppDecl (DataDecl _ tc tvs cs) =
> sep (ppTypeDeclLhs "data" tc tvs :
> map indent (zipWith (<+>) (equals : repeat vbar) (map ppConstr cs)))
> ppDecl (NewtypeDecl _ tc tvs nc) =
> sep [ppTypeDeclLhs "newtype" tc tvs <+> equals,indent (ppNewConstr nc)]
> ppDecl (TypeDecl _ tc tvs ty) =
> sep [ppTypeDeclLhs "type" tc tvs <+> equals,indent (ppTypeExpr 0 ty)]
> ppDecl (TypeSig _ fs ty) =
> list (map ppIdent fs) <+> text "::" <+> ppTypeExpr 0 ty
> ppDecl (EvalAnnot _ fs ev) =
> list (map ppIdent fs) <+> text "eval" <+> ppEval ev
> where ppEval EvalRigid = text "rigid"
> ppEval EvalChoice = text "choice"
> ppDecl (FunctionDecl _ _ eqs) = vcat (map ppEquation eqs)
> ppDecl (ExternalDecl p cc impent f ty) =
> sep [text "external" <+> ppCallConv cc <+> maybePP (text . show) impent,
> indent (ppDecl (TypeSig p [f] ty))]
> where ppCallConv CallConvPrimitive = text "primitive"
> ppCallConv CallConvCCall = text "ccall"
> ppDecl (FlatExternalDecl _ fs) = list (map ppIdent fs) <+> text "external"
> ppDecl (PatternDecl _ t rhs) = ppRule (ppConstrTerm 0 t) equals rhs
> ppDecl (ExtraVariables _ vs) = list (map ppIdent vs) <+> text "free"
> ppImportSpec :: ImportSpec -> Doc
> ppImportSpec (Importing _ is) = parenList (map ppImport is)
> ppImportSpec (Hiding _ is) = text "hiding" <+> parenList (map ppImport is)
> ppImport :: Import -> Doc
> ppImport (Import x) = ppIdent x
> ppImport (ImportTypeWith tc cs) = ppIdent tc <> parenList (map ppIdent cs)
> ppImport (ImportTypeAll tc) = ppIdent tc <> text "(..)"
> ppPrec :: Infix -> Integer -> Doc
> ppPrec fix p = ppAssoc fix <+> ppPrio p
> where ppAssoc InfixL = text "infixl"
> ppAssoc InfixR = text "infixr"
> ppAssoc Infix = text "infix"
> ppPrio p' = if p' < 0 then empty else integer p'
> ppTypeDeclLhs :: String -> Ident -> [Ident] -> Doc
> ppTypeDeclLhs kw tc tvs = text kw <+> ppIdent tc <+> hsep (map ppIdent tvs)
> ppConstr :: ConstrDecl -> Doc
> ppConstr (ConstrDecl _ tvs c tys) =
> sep [ppExistVars tvs,ppIdent c <+> fsep (map (ppTypeExpr 2) tys)]
> ppConstr (ConOpDecl _ tvs ty1 op ty2) =
> sep [ppExistVars tvs,ppTypeExpr 1 ty1,ppInfixOp op <+> ppTypeExpr 1 ty2]
> ppNewConstr :: NewConstrDecl -> Doc
> ppNewConstr (NewConstrDecl _ tvs c ty) =
> sep [ppExistVars tvs,ppIdent c <+> ppTypeExpr 2 ty]
> ppExistVars :: [Ident] -> Doc
> ppExistVars tvs
> | null tvs = empty
> | otherwise = text "forall" <+> hsep (map ppIdent tvs) <+> char '.'
> ppEquation :: Equation -> Doc
> ppEquation (Equation _ lhs rhs) = ppRule (ppLhs lhs) equals rhs
> ppLhs :: Lhs -> Doc
> ppLhs (FunLhs f ts) = ppIdent f <+> fsep (map (ppConstrTerm 2) ts)
> ppLhs (OpLhs t1 f t2) =
> ppConstrTerm 1 t1 <+> ppInfixOp f <+> ppConstrTerm 1 t2
> ppLhs (ApLhs lhs ts) = parens (ppLhs lhs) <+> fsep (map (ppConstrTerm 2) ts)
> ppRule :: Doc -> Doc -> Rhs -> Doc
> ppRule lhs eq (SimpleRhs _ e ds) =
> sep [lhs <+> eq,indent (ppExpr 0 e)] $$ ppLocalDefs ds
> ppRule lhs eq (GuardedRhs es ds) =
> sep [lhs,indent (vcat (map (ppCondExpr eq) es))] $$ ppLocalDefs ds
> ppLocalDefs :: [Decl] -> Doc
> ppLocalDefs ds
> | null ds = empty
> | otherwise = indent (text "where" <+> ppBlock ds)
\end{verbatim}
Interfaces
\begin{verbatim}
ppInterface :: Interface -> Doc
ppInterface (Interface m ds) =
text "interface" <+> ppMIdent m <+> text "where" <+> lbrace
$$ vcat (punctuate semi (map ppIDecl ds)) $$ rbrace
> ppIDecl :: IDecl -> Doc
> ppIDecl (IImportDecl _ m) = text "import" <+> ppMIdent m
> ppIDecl (IInfixDecl _ fix p op) = ppPrec fix p <+> ppQInfixOp op
> ppIDecl (HidingDataDecl _ tc tvs) =
> text "hiding" <+> ppITypeDeclLhs "data" (qualify tc) tvs
> ppIDecl (IDataDecl _ tc tvs cs) =
> sep (ppITypeDeclLhs "data" tc tvs :
> map indent (zipWith (<+>) (equals : repeat vbar) (map ppIConstr cs)))
> where ppIConstr = maybe (char '_') ppConstr
> ppIDecl (INewtypeDecl _ tc tvs nc) =
> sep [ppITypeDeclLhs "newtype" tc tvs <+> equals,indent (ppNewConstr nc)]
> ppIDecl (ITypeDecl _ tc tvs ty) =
> sep [ppITypeDeclLhs "type" tc tvs <+> equals,indent (ppTypeExpr 0 ty)]
> ppIDecl (IFunctionDecl _ f _ ty) = ppQIdent f <+> text "::" <+> ppTypeExpr 0 ty
> ppITypeDeclLhs :: String -> QualIdent -> [Ident] -> Doc
> ppITypeDeclLhs kw tc tvs = text kw <+> ppQIdent tc <+> hsep (map ppIdent tvs)
\end{verbatim}
Types
\begin{verbatim}
> ppTypeExpr :: Int -> TypeExpr -> Doc
> ppTypeExpr p (ConstructorType tc tys) =
> parenExp (p > 1 && not (null tys))
> (ppQIdent tc <+> fsep (map (ppTypeExpr 2) tys))
> ppTypeExpr _ (VariableType tv) = ppIdent tv
> ppTypeExpr _ (TupleType tys) = parenList (map (ppTypeExpr 0) tys)
> ppTypeExpr _ (ListType ty) = brackets (ppTypeExpr 0 ty)
> ppTypeExpr p (ArrowType ty1 ty2) =
> parenExp (p > 0) (fsep (ppArrowType (ArrowType ty1 ty2)))
> where ppArrowType (ArrowType ty1' ty2') =
> ppTypeExpr 1 ty1' <+> rarrow : ppArrowType ty2'
> ppArrowType ty = [ppTypeExpr 0 ty]
> ppTypeExpr _ (RecordType fs rty) =
> braces (list (map ppTypedField fs)
> <> maybe empty (\ty -> space <> char '|' <+> ppTypeExpr 0 ty) rty)
> where
> ppTypedField (ls,ty) =
> list (map ppIdent ls) <> text "::" <> ppTypeExpr 0 ty
\end{verbatim}
Literals
\begin{verbatim}
> ppLiteral :: Literal -> Doc
> ppLiteral (Char _ c) = text (show c)
> ppLiteral (Int _ i) = integer i
> ppLiteral (Float _ f) = double f
> ppLiteral (String _ s) = text (show s)
\end{verbatim}
Patterns
\begin{verbatim}
> ppConstrTerm :: Int -> ConstrTerm -> Doc
> ppConstrTerm p (LiteralPattern l) =
> parenExp (p > 1 && isNegative l) (ppLiteral l)
> where isNegative (Char _ _) = False
> isNegative (Int _ i) = i < 0
> isNegative (Float _ f) = f < 0.0
> isNegative (String _ _) = False
> ppConstrTerm p (NegativePattern op l) =
> parenExp (p > 1) (ppInfixOp op <> ppLiteral l)
> ppConstrTerm _ (VariablePattern v) = ppIdent v
> ppConstrTerm p (ConstructorPattern c ts) =
> parenExp (p > 1 && not (null ts))
> (ppQIdent c <+> fsep (map (ppConstrTerm 2) ts))
> ppConstrTerm p (InfixPattern t1 c t2) =
> parenExp (p > 0)
> (sep [ppConstrTerm 1 t1 <+> ppQInfixOp c,
> indent (ppConstrTerm 0 t2)])
> ppConstrTerm _ (ParenPattern t) = parens (ppConstrTerm 0 t)
> ppConstrTerm _ (TuplePattern _ ts) = parenList (map (ppConstrTerm 0) ts)
> ppConstrTerm _ (ListPattern _ ts) = bracketList (map (ppConstrTerm 0) ts)
> ppConstrTerm _ (AsPattern v t) = ppIdent v <> char '@' <> ppConstrTerm 2 t
> ppConstrTerm _ (LazyPattern _ t) = char '~' <> ppConstrTerm 2 t
> ppConstrTerm p (FunctionPattern f ts) =
> parenExp (p > 1 && not (null ts))
> (ppQIdent f <+> fsep (map (ppConstrTerm 2) ts))
> ppConstrTerm p (InfixFuncPattern t1 f t2) =
> parenExp (p > 0)
> (sep [ppConstrTerm 1 t1 <+> ppQInfixOp f,
> indent (ppConstrTerm 0 t2)])
> ppConstrTerm _ (RecordPattern fs rt) =
> braces (list (map ppFieldPatt fs)
> <> (maybe empty (\t -> space <> char '|' <+> ppConstrTerm 0 t) rt))
> ppFieldPatt :: Field ConstrTerm -> Doc
> ppFieldPatt (Field _ l t) = ppIdent l <> equals <> ppConstrTerm 0 t
\end{verbatim}
Expressions
\begin{verbatim}
> ppCondExpr :: Doc -> CondExpr -> Doc
> ppCondExpr eq (CondExpr _ g e) =
> vbar <+> sep [ppExpr 0 g <+> eq,indent (ppExpr 0 e)]
> ppExpr :: Int -> Expression -> Doc
> ppExpr _ (Literal l) = ppLiteral l
> ppExpr _ (Variable v) = ppQIdent v
> ppExpr _ (Constructor c) = ppQIdent c
> ppExpr _ (Paren e) = parens (ppExpr 0 e)
> ppExpr p (Typed e ty) =
> parenExp (p > 0) (ppExpr 0 e <+> text "::" <+> ppTypeExpr 0 ty)
> ppExpr _ (Tuple _ es) = parenList (map (ppExpr 0) es)
> ppExpr _ (List _ es) = bracketList (map (ppExpr 0) es)
> ppExpr _ (ListCompr _ e qs) =
> brackets (ppExpr 0 e <+> vbar <+> list (map ppStmt qs))
> ppExpr _ (EnumFrom e) = brackets (ppExpr 0 e <+> text "..")
> ppExpr _ (EnumFromThen e1 e2) =
> brackets (ppExpr 0 e1 <> comma <+> ppExpr 0 e2 <+> text "..")
> ppExpr _ (EnumFromTo e1 e2) =
> brackets (ppExpr 0 e1 <+> text ".." <+> ppExpr 0 e2)
> ppExpr _ (EnumFromThenTo e1 e2 e3) =
> brackets (ppExpr 0 e1 <> comma <+> ppExpr 0 e2
> <+> text ".." <+> ppExpr 0 e3)
> ppExpr p (UnaryMinus op e) = parenExp (p > 1) (ppInfixOp op <> ppExpr 1 e)
> ppExpr p (Apply e1 e2) =
> parenExp (p > 1) (sep [ppExpr 1 e1,indent (ppExpr 2 e2)])
> ppExpr p (InfixApply e1 op e2) =
> parenExp (p > 0) (sep [ppExpr 1 e1 <+> ppQInfixOp (opName op),
> indent (ppExpr 1 e2)])
> ppExpr _ (LeftSection e op) = parens (ppExpr 1 e <+> ppQInfixOp (opName op))
> ppExpr _ (RightSection op e) = parens (ppQInfixOp (opName op) <+> ppExpr 1 e)
> ppExpr p (Lambda _ t e) =
> parenExp (p > 0)
> (sep [backsl <> fsep (map (ppConstrTerm 2) t) <+> rarrow,
> indent (ppExpr 0 e)])
> ppExpr p (Let ds e) =
> parenExp (p > 0)
> (sep [text "let" <+> ppBlock ds <+> text "in",ppExpr 0 e])
> ppExpr p (Do sts e) =
> parenExp (p > 0) (text "do" <+> (vcat (map ppStmt sts) $$ ppExpr 0 e))
> ppExpr p (IfThenElse _ e1 e2 e3) =
> parenExp (p > 0)
> (text "if" <+>
> sep [ppExpr 0 e1,
> text "then" <+> ppExpr 0 e2,
> text "else" <+> ppExpr 0 e3])
> ppExpr p (Case _ e alts) =
> parenExp (p > 0)
> (text "case" <+> ppExpr 0 e <+> text "of" $$
> indent (vcat (map ppAlt alts)))
> ppExpr _ (RecordConstr fs) =
> braces (list (map (ppFieldExpr equals) fs))
> ppExpr p (RecordSelection e l) =
> parenExp (p > 0)
> (ppExpr 1 e <+> text "->" <+> ppIdent l)
> ppExpr _ (RecordUpdate fs e) =
> braces (list (map (ppFieldExpr (text ":=")) fs)
> <+> char '|' <+> ppExpr 0 e)
> ppStmt :: Statement -> Doc
> ppStmt (StmtExpr _ e) = ppExpr 0 e
> ppStmt (StmtBind _ t e) = sep [ppConstrTerm 0 t <+> larrow,indent (ppExpr 0 e)]
> ppStmt (StmtDecl ds) = text "let" <+> ppBlock ds
> ppAlt :: Alt -> Doc
> ppAlt (Alt _ t rhs) = ppRule (ppConstrTerm 0 t) rarrow rhs
> ppFieldExpr :: Doc -> Field Expression -> Doc
> ppFieldExpr comb (Field _ l e) = ppIdent l <> comb <> ppExpr 0 e
> ppOp :: InfixOp -> Doc
> ppOp (InfixOp op) = ppQInfixOp op
> ppOp (InfixConstr op) = ppQInfixOp op
\end{verbatim}
Names
\begin{verbatim}
> ppIdent :: Ident -> Doc
> ppIdent x = parenExp (isInfixOp x) (text (name x))
> ppQIdent :: QualIdent -> Doc
> ppQIdent x = parenExp (isQInfixOp x) (text (qualName x))
> ppInfixOp :: Ident -> Doc
> ppInfixOp x = backQuoteExp (not (isInfixOp x)) (text (name x))
> ppQInfixOp :: QualIdent -> Doc
> ppQInfixOp x = backQuoteExp (not (isQInfixOp x)) (text (qualName x))
> ppMIdent :: ModuleIdent -> Doc
> ppMIdent m = text (moduleName m)
\end{verbatim}
Print printing utilities
\begin{verbatim}
> indent :: Doc -> Doc
> indent = nest 2
> maybePP :: (a -> Doc) -> Maybe a -> Doc
> maybePP pp = maybe empty pp
> parenExp :: Bool -> Doc -> Doc
> parenExp b doc = if b then parens doc else doc
> backQuoteExp :: Bool -> Doc -> Doc
> backQuoteExp b doc = if b then backQuote <> doc <> backQuote else doc
> list, parenList, bracketList :: [Doc] -> Doc
> list = fsep . punctuate comma
> parenList = parens . list
> bracketList = brackets . list
braceList :: [Doc] -> Doc
braceList = braces . list
> backQuote,backsl,vbar,rarrow,larrow :: Doc
> backQuote = char '`'
> backsl = char '\\'
> vbar = char '|'
> rarrow = text "->"
> larrow = text "<-"
\end{verbatim}
src/Curry/Syntax/ShowModule.hs deleted 100644 → 0
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{- |Transform a CurrySyntax module into a string representation without any
pretty printing.
Behaves like a derived Show instance even on parts with a specific one.
@author Sebastian Fischer (sebf@informatik.uni-kiel.de)
@version December 2008
bug fixed by bbr
-}
module Curry.Syntax.ShowModule (showModule) where
import Curry.Base.Ident
import Curry.Base.Position
import Curry.Syntax.Type
showModule :: Module -> String
showModule m = showsModule m "\n"
showsModule :: Module -> ShowS
showsModule (Module mident espec decls)
= showsString "Module "
. showsModuleIdent mident . newline
. showsMaybe showsExportSpec espec . newline
. showsList (\d -> showsDecl d . newline) decls
showsPosition :: Position -> ShowS
showsPosition Position { line = l, column = c } = showsPair shows shows (l, c)
showsPosition _ = id
-- showsPosition (Position file row col)
-- = showsString "(Position "
-- . shows file . space
-- . shows row . space
-- . shows col
-- . showsString ")"
showsExportSpec :: ExportSpec -> ShowS
showsExportSpec (Exporting pos exports)
= showsString "(Exporting "
. showsPosition pos . space
. showsList showsExport exports
. showsString ")"
showsExport :: Export -> ShowS
showsExport (Export qident)
= showsString "(Export " . showsQualIdent qident . showsString ")"
showsExport (ExportTypeWith qident ids)
= showsString "(ExportTypeWith "
. showsQualIdent qident . space
. showsList showsIdent ids
. showsString ")"
showsExport (ExportTypeAll qident)
= showsString "(ExportTypeAll " . showsQualIdent qident . showsString ")"
showsExport (ExportModule m)
= showsString "(ExportModule " . showsModuleIdent m . showChar ')'
showsImportSpec :: ImportSpec -> ShowS
showsImportSpec (Importing pos imports)
= showsString "(Importing "
. showsPosition pos . space
. showsList showsImport imports
. showsString ")"
showsImportSpec (Hiding pos imports)
= showsString "(Hiding "
. showsPosition pos . space
. showsList showsImport imports
. showsString ")"
showsImport :: Import -> ShowS
showsImport (Import ident)
= showsString "(Import " . showsIdent ident . showsString ")"
showsImport (ImportTypeWith ident idents)
= showsString "(ImportTypeWith "
. showsIdent ident . space
. showsList showsIdent idents
. showsString ")"
showsImport (ImportTypeAll ident)
= showsString "(ImportTypeAll " . showsIdent ident . showsString ")"
showsDecl :: Decl -> ShowS
showsDecl (ImportDecl pos mident quali mmident mimpspec)
= showsString "(ImportDecl "
. showsPosition pos . space
. showsModuleIdent mident . space
. shows quali . space
. showsMaybe showsModuleIdent mmident . space
. showsMaybe showsImportSpec mimpspec
. showsString ")"
showsDecl (InfixDecl pos infx prec idents)
= showsString "(InfixDecl "
. showsPosition pos . space
. shows infx . space
. shows prec . space
. showsList showsIdent idents
. showsString ")"
showsDecl (DataDecl pos ident idents consdecls)
= showsString "(DataDecl "
. showsPosition pos . space
. showsIdent ident . space
. showsList showsIdent idents . space
. showsList showsConsDecl consdecls
. showsString ")"
showsDecl (NewtypeDecl pos ident idents newconsdecl)
= showsString "(NewtypeDecl "
. showsPosition pos . space
. showsIdent ident . space
. showsList showsIdent idents . space
. showsNewConsDecl newconsdecl
. showsString ")"
showsDecl (TypeDecl pos ident idents typ)
= showsString "(TypeDecl "
. showsPosition pos . space
. showsIdent ident . space
. showsList showsIdent idents . space
. showsTypeExpr typ
. showsString ")"
showsDecl (TypeSig pos idents typ)
= showsString "(TypeSig "
. showsPosition pos . space
. showsList showsIdent idents . space
. showsTypeExpr typ
. showsString ")"
showsDecl (EvalAnnot pos idents annot)
= showsString "(EvalAnnot "
. showsPosition pos . space
. showsList showsIdent idents . space
. shows annot
. showsString ")"
showsDecl (FunctionDecl pos ident eqs)
= showsString "(FunctionDecl "
. showsPosition pos . space
. showsIdent ident . space
. showsList showsEquation eqs
. showsString ")"
showsDecl (ExternalDecl pos cconv mstr ident typ)
= showsString "(ExternalDecl "
. showsPosition pos . space
. shows cconv . space
. shows mstr . space
. showsIdent ident . space
. showsTypeExpr typ
. showsString ")"
showsDecl (FlatExternalDecl pos idents)
= showsString "(FlatExternalDecl "
. showsPosition pos . space
. showsList showsIdent idents
. showsString ")"
showsDecl (PatternDecl pos cons rhs)
= showsString "(PatternDecl "
. showsPosition pos . space