diff options
Diffstat (limited to 'src/prim.sml')
| -rw-r--r-- | src/prim.sml | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/prim.sml b/src/prim.sml index c84c557e..c4b7e839 100644 --- a/src/prim.sml +++ b/src/prim.sml @@ -68,12 +68,23 @@ fun toString t = | String s => s | Char ch => str ch +fun pad (n, ch, s) = + if size s >= n then + s + else + str ch ^ pad (n-1, ch, s) + +val gccify = String.translate (fn ch => if Char.isPrint ch then + str ch + else + "\\" ^ pad (3, #"0", Int.fmt StringCvt.OCT (ord ch))) + fun p_t_GCC t = case t of Int n => string (int2s n) | Float n => string (float2s n) - | String s => box [string "\"", string (String.toString s), string "\""] - | Char ch => box [string "'", string (String.toString (str ch)), string "'"] + | String s => box [string "\"", string (gccify s), string "\""] + | Char ch => box [string "'", string (gccify (str ch)), string "'"] fun equal x = case x of |