diff options
Diffstat (limited to 'src/monoize.sml')
| -rw-r--r-- | src/monoize.sml | 57 |
1 files changed, 48 insertions, 9 deletions
diff --git a/src/monoize.sml b/src/monoize.sml index e0f73802..ebca1d43 100644 --- a/src/monoize.sml +++ b/src/monoize.sml @@ -64,6 +64,15 @@ fun monoName env (all as (c, loc)) = | _ => poly () end +fun readType' (t, loc) = (L'.TFun ((L'.TFfi ("Basis", "string"), loc), + (L'.TOption t, loc)), loc) +fun readErrType (t, loc) = (L'.TFun ((L'.TFfi ("Basis", "string"), loc), + t), loc) +fun readType (t, loc) = + (L'.TRecord [("Read", readType' (t, loc)), + ("ReadError", readErrType (t, loc))], + loc) + fun monoType env = let fun mt env dtmap (all as (c, loc)) = @@ -86,8 +95,7 @@ fun monoType env = | L.CApp ((L.CFfi ("Basis", "show"), _), t) => (L'.TFun (mt env dtmap t, (L'.TFfi ("Basis", "string"), loc)), loc) | L.CApp ((L.CFfi ("Basis", "read"), _), t) => - (L'.TFun ((L'.TFfi ("Basis", "string"), loc), - (L'.TOption (mt env dtmap t), loc)), loc) + readType (mt env dtmap t, loc) | L.CApp ((L.CApp ((L.CApp ((L.CFfi ("Basis", "xml"), _), _), _), _), _), _) => (L'.TFfi ("Basis", "string"), loc) @@ -498,22 +506,53 @@ fun monoExp (env, st, fm) (all as (e, loc)) = val t = monoType env t val s = (L'.TFfi ("Basis", "string"), loc) in - ((L'.EAbs ("f", (L'.TFun (t, s), loc), (L'.TFun (t, s), loc), - (L'.ERel 0, loc)), loc), fm) + ((L'.EAbs ("f", readType (t, loc), readType' (t, loc), + (L'.EField ((L'.ERel 0, loc), "Read"), loc)), loc), fm) + end + | L.ECApp ((L.EFfi ("Basis", "readError"), _), t) => + let + val t = monoType env t + val s = (L'.TFfi ("Basis", "string"), loc) + in + ((L'.EAbs ("f", readType (t, loc), readErrType (t, loc), + (L'.EField ((L'.ERel 0, loc), "ReadError"), loc)), loc), fm) end | L.EFfi ("Basis", "read_int") => - ((L'.EFfi ("Basis", "stringToInt"), loc), fm) + let + val t = (L'.TFfi ("Basis", "int"), loc) + in + ((L'.ERecord [("Read", (L'.EFfi ("Basis", "stringToInt"), loc), readType' (t, loc)), + ("ReadError", (L'.EFfi ("Basis", "stringToInt_error"), loc), readErrType (t, loc))], + loc), + fm) + end | L.EFfi ("Basis", "read_float") => - ((L'.EFfi ("Basis", "stringToFloat"), loc), fm) + let + val t = (L'.TFfi ("Basis", "float"), loc) + in + ((L'.ERecord [("Read", (L'.EFfi ("Basis", "stringToFloat"), loc), readType' (t, loc)), + ("ReadError", (L'.EFfi ("Basis", "stringToFloat_error"), loc), readErrType (t, loc))], + loc), + fm) + end | L.EFfi ("Basis", "read_string") => let val s = (L'.TFfi ("Basis", "string"), loc) in - ((L'.EAbs ("s", s, (L'.TOption s, loc), - (L'.ESome (s, (L'.ERel 0, loc)), loc)), loc), fm) + ((L'.ERecord [("Read", (L'.EAbs ("s", s, (L'.TOption s, loc), + (L'.ESome (s, (L'.ERel 0, loc)), loc)), loc), readType' (s, loc)), + ("ReadError", (L'.EAbs ("s", s, s, (L'.ERel 0, loc)), loc), readErrType (s, loc))], loc), + fm) end | L.EFfi ("Basis", "read_bool") => - ((L'.EFfi ("Basis", "stringToBool"), loc), fm) + let + val t = (L'.TFfi ("Basis", "bool"), loc) + in + ((L'.ERecord [("Read", (L'.EFfi ("Basis", "stringToBool"), loc), readType' (t, loc)), + ("ReadError", (L'.EFfi ("Basis", "stringToBool_error"), loc), readErrType (t, loc))], + loc), + fm) + end | L.ECApp ((L.EFfi ("Basis", "return"), _), t) => let |