Translating linearization functions to Haskell: move a common record type to PGF.Haskell

Move the Haskell representation of the common linearization type {s:T} to the
shared module PGF.Haskell, so that the same overloaded projection function
proj_s can be used for all concrete syntaxes.
This commit is contained in:
hallgren
2015-01-19 12:43:32 +00:00
parent eab989c1d7
commit 240ba80209
2 changed files with 27 additions and 4 deletions

View File

@@ -38,11 +38,16 @@ concrete2haskell opts gr cenv absname cnc modinfo =
"--- Linearization types and linearization functions ---" $$
vcat (map ppDef defs) $$ "" $$
"--- Type classes for projection functions ---" $$
vcat (map labelClass (S.toList (S.unions (map S.fromList rs)))) $$ "" $$
vcat (map labelClass (S.toList labels)) $$ "" $$
"--- Record types ---" $$
vcat (map recordType rs)
vcat (map recordType recs)
where
rs = S.toList (S.insert [ident2label (identS "s")] (records rhss))
labels = S.difference (S.unions (map S.fromList recs)) common_labels
recs = S.toList (S.difference (records rhss) common_records)
common_records = S.fromList [[label_s]]
common_labels = S.fromList [label_s]
label_s = ident2label (identS "s")
rhss = map (snd.snd) defs
defs = sortBy (compare `on` fst) .
concatMap (toHaskell gId gr absname cenv) .