-----------------------------------------------------------
-- MetaHaskell Extensions
+
| HsBracket (HsBracket id)
| HsBracketOut (HsBracket Name) -- Output of the type checker is the *original*
-- always has an empty stack
---------------------------------------
- -- Hpc Support
-
- | HsTick
- Int -- module-local tick number
- (LHsExpr id) -- sub-expression
-
- | HsBinTick
- Int -- module-local tick number for True
- Int -- module-local tick number for False
- (LHsExpr id) -- sub-expression
-
- ---------------------------------------
-- The following are commands, not expressions proper
| HsArrApp -- Arrow tail, or arrow application (f -< arg)
(Maybe Fixity) -- fixity (filled in by the renamer), for forms that
-- were converted from OpApp's by the renamer
[LHsCmdTop id] -- argument commands
-\end{code}
-These constructors only appear temporarily in the parser.
-The renamer translates them into the Right Thing.
+ ---------------------------------------
+ -- Haskell program coverage (Hpc) Support
+
+ | HsTick
+ Int -- module-local tick number
+ (LHsExpr id) -- sub-expression
+
+ | HsBinTick
+ Int -- module-local tick number for True
+ Int -- module-local tick number for False
+ (LHsExpr id) -- sub-expression
+
+ | HsTickPragma -- A pragma introduced tick
+ (FastString,(Int,Int),(Int,Int)) -- external span for this tick
+ (LHsExpr id)
+
+ ---------------------------------------
+ -- These constructors only appear temporarily in the parser.
+ -- The renamer translates them into the Right Thing.
-\begin{code}
| EWildPat -- wildcard
| EAsPat (Located id) -- as pattern
| ELazyPat (LHsExpr id) -- ~ pattern
| HsType (LHsType id) -- Explicit type argument; e.g f {| Int |} x y
-\end{code}
-Everything from here on appears only in typechecker output.
+ ---------------------------------------
+ -- Finally, HsWrap appears only in typechecker output
-\begin{code}
| HsWrap HsWrapper -- TRANSLATION
(HsExpr id)
ppr tickIdFalse,
ptext SLIT(">("),
ppr exp,ptext SLIT(")")]
+ppr_expr (HsTickPragma externalSrcLoc exp)
+ = hcat [ptext SLIT("tickpragma<"), ppr externalSrcLoc,ptext SLIT(">("), ppr exp,ptext SLIT(")")]
ppr_expr (HsArrApp arrow arg _ HsFirstOrderApp True)
= hsep [ppr_lexpr arrow, ptext SLIT("-<"), ppr_lexpr arg]
%************************************************************************
\begin{code}
-type HsRecordBinds id = [(Located id, LHsExpr id)]
+data HsRecordBinds id = HsRecordBinds [(Located id, LHsExpr id)]
recBindFields :: HsRecordBinds id -> [id]
-recBindFields rbinds = [unLoc field | (field,_) <- rbinds]
+recBindFields (HsRecordBinds rbinds) = [unLoc field | (field,_) <- rbinds]
pp_rbinds :: OutputableBndr id => SDoc -> HsRecordBinds id -> SDoc
-pp_rbinds thing rbinds
+pp_rbinds thing (HsRecordBinds rbinds)
= hang thing
4 (braces (sep (punctuate comma (map (pp_rbind) rbinds))))
where