diff options
| author |  Adam Chlipala <adamc@hcoop.net> | 2008-11-01 10:47:10 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2008-11-01 10:47:10 -0400 |
| commit | 89f97891a33b5c0a8971d3508059a139a8815091 (patch) | |
| tree | a11a164b5f4671f27a3e77a5346b4e981e35b801 /src/source_print.sml | |
| parent | 389aae9254a3bdee3e79bb75b7355de270f2e8dd (diff) | |
Parsing 'let'
Diffstat (limited to 'src/source_print.sml')
| -rw-r--r-- | src/source_print.sml | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/src/source_print.sml b/src/source_print.sml index a25be2d4..9e6608df 100644 --- a/src/source_print.sml +++ b/src/source_print.sml @@ -285,8 +285,47 @@ fun p_exp' par (e, _) = | EWild => string "_" + | ELet (ds, e) => box [string "let", + newline, + box [p_list_sep newline p_edecl ds], + newline, + string "in", + newline, + box [p_exp e], + newline, + string "end"] + and p_exp e = p_exp' false e +and p_edecl (d, _) = + case d of + EDVal vi => box [string "val", + space, + p_vali vi] + | EDValRec vis => box [string "val", + space, + string "rec", + space, + p_list_sep (box [newline, string "and", space]) p_vali vis] + +and p_vali (x, co, e) = + case co of + NONE => box [string x, + space, + string "=", + space, + p_exp e] + | SOME t => box [string x, + space, + string ":", + space, + p_con t, + space, + string "=", + space, + p_exp e] + + fun p_datatype (x, xs, cons) = box [string "datatype", space, @@ -424,22 +463,6 @@ and p_sgn (sgn, _) = | SgnProj (m, ms, x) => p_list_sep (string ".") string (m :: ms @ [x]) -fun p_vali (x, co, e) = - case co of - NONE => box [string x, - space, - string "=", - space, - p_exp e] - | SOME t => box [string x, - space, - string ":", - space, - p_con t, - space, - string "=", - space, - p_exp e] fun p_decl ((d, _) : decl) = case d of |