module CoreSyn (
Expr(..), Alt, Bind(..), AltCon(..), Arg, Note(..),
CoreExpr, CoreAlt, CoreBind, CoreArg, CoreBndr,
- TaggedExpr, TaggedAlt, TaggedBind, TaggedArg,
+ TaggedExpr, TaggedAlt, TaggedBind, TaggedArg, TaggedBndr(..),
mkLets, mkLams,
mkApps, mkTyApps, mkValApps, mkVarApps,
import Var ( Var, Id, TyVar, isTyVar, isId )
import Type ( Type, mkTyVarTy, seqType )
import Literal ( Literal, mkMachInt )
-import DataCon ( DataCon, dataConId )
+import DataCon ( DataCon, dataConWorkId )
import BasicTypes ( Activation )
import VarSet
+import FastString
import Outputable
\end{code}
\end{code}
\begin{code}
-type RuleName = FAST_STRING
+type RuleName = FastString
type IdCoreRule = (Id,CoreRule) -- Rules don't have their leading Id inside them
data CoreRule
Binders are ``tagged'' with a \tr{t}:
\begin{code}
-type Tagged t = (CoreBndr, t)
+data TaggedBndr t = TB CoreBndr t -- TB for "tagged binder"
-type TaggedBind t = Bind (Tagged t)
-type TaggedExpr t = Expr (Tagged t)
-type TaggedArg t = Arg (Tagged t)
-type TaggedAlt t = Alt (Tagged t)
+type TaggedBind t = Bind (TaggedBndr t)
+type TaggedExpr t = Expr (TaggedBndr t)
+type TaggedArg t = Arg (TaggedBndr t)
+type TaggedAlt t = Alt (TaggedBndr t)
+
+instance Outputable b => Outputable (TaggedBndr b) where
+ ppr (TB b l) = char '<' <> ppr b <> comma <> ppr l <> char '>'
+
+instance Outputable b => OutputableBndr (TaggedBndr b) where
+ pprBndr _ b = ppr b -- Simple
\end{code}
mkLams :: [b] -> Expr b -> Expr b
mkLit lit = Lit lit
-mkConApp con args = mkApps (Var (dataConId con)) args
+mkConApp con args = mkApps (Var (dataConWorkId con)) args
mkLams binders body = foldr Lam body binders
mkLets binds body = foldr Let body binds