src/Pure/ML-Systems/polyml-experimental.ML
changeset 30679 bcc63fcbc3ce
parent 30676 edca392a2abb
child 31312 1c00e4ff3c99
equal deleted inserted replaced
30678:35d40d961ed2 30679:bcc63fcbc3ce
    92       | convert _ (PrettyBreak (wd, _)) =
    92       | convert _ (PrettyBreak (wd, _)) =
    93           ML_Pretty.Break (if wd < 99999 then (false, wd) else (true, 2));
    93           ML_Pretty.Break (if wd < 99999 then (false, wd) else (true, 2));
    94   in convert "" end;
    94   in convert "" end;
    95 
    95 
    96 fun ml_pretty (ML_Pretty.Block ((bg, en), prts, ind)) =
    96 fun ml_pretty (ML_Pretty.Block ((bg, en), prts, ind)) =
    97       PrettyBlock (ind, false,
    97       let val context =
    98         [ContextProperty ("begin", bg), ContextProperty ("end", en)], map ml_pretty prts)
    98         (if bg = "" then [] else [ContextProperty ("begin", bg)]) @
       
    99         (if en = "" then [] else [ContextProperty ("end", en)])
       
   100       in PrettyBlock (ind, false, context, map ml_pretty prts) end
    99   | ml_pretty (ML_Pretty.String (s, len)) =
   101   | ml_pretty (ML_Pretty.String (s, len)) =
   100       if len = size s then PrettyString s
   102       if len = size s then PrettyString s
   101       else PrettyBlock (0, false, [ContextProperty ("length", Int.toString len)], [PrettyString s])
   103       else PrettyBlock (0, false, [ContextProperty ("length", Int.toString len)], [PrettyString s])
   102   | ml_pretty (ML_Pretty.Break (false, wd)) = PrettyBreak (wd, 0)
   104   | ml_pretty (ML_Pretty.Break (false, wd)) = PrettyBreak (wd, 0)
   103   | ml_pretty (ML_Pretty.Break (true, _)) = PrettyBreak (99999, 0);
   105   | ml_pretty (ML_Pretty.Break (true, _)) = PrettyBreak (99999, 0);