diff options
Diffstat (limited to 'lib/pp.ml')
| -rw-r--r-- | lib/pp.ml | 51 |
1 files changed, 12 insertions, 39 deletions
@@ -243,32 +243,15 @@ let qstring s = str "\"" ++ str (escape_string s) ++ str "\"" let qs = qstring let quote s = h 0 (str "\"" ++ s ++ str "\"") -(* This flag tells if the last printed comment ends with a newline, to - avoid empty lines *) -let com_eol = ref false - -let com_brk ft = com_eol := false -let com_if ft f = - if !com_eol then (com_eol := false; Format.pp_force_newline ft ()) - else Lazy.force f - let rec pr_com ft s = let (s1,os) = try let n = String.index s '\n' in String.sub s 0 n, Some (String.sub s (n+1) (String.length s - n - 1)) with Not_found -> s,None in - com_if ft (Lazy.from_val()); -(* let s1 = - if String.length s1 <> 0 && s1.[0] = ' ' then - (Format.pp_print_space ft (); String.sub s1 1 (String.length s1 - 1)) - else s1 in*) Format.pp_print_as ft (utf8_length s1) s1; match os with - Some s2 -> - if Int.equal (String.length s2) 0 then (com_eol := true) - else - (Format.pp_force_newline ft (); pr_com ft s2) + Some s2 -> Format.pp_force_newline ft (); pr_com ft s2 | None -> () type tag_handler = Tag.t -> Format.tag @@ -287,33 +270,24 @@ let pp_dirs ?pp_tag ft = begin match tok with | Str_def s -> let n = utf8_length s in - com_if ft (Lazy.from_val()); Format.pp_print_as ft n s + Format.pp_print_as ft n s | Str_len (s, n) -> - com_if ft (Lazy.from_val()); Format.pp_print_as ft n s + Format.pp_print_as ft n s end | Ppcmd_box(bty,ss) -> (* Prevent evaluation of the stream! *) - com_if ft (Lazy.from_val()); pp_open_box bty ; if not (Format.over_max_boxes ()) then Glue.iter pp_cmd ss; Format.pp_close_box ft () - | Ppcmd_open_box bty -> com_if ft (Lazy.from_val()); pp_open_box bty + | Ppcmd_open_box bty -> pp_open_box bty | Ppcmd_close_box -> Format.pp_close_box ft () | Ppcmd_close_tbox -> Format.pp_close_tbox ft () - | Ppcmd_white_space n -> - com_if ft (Lazy.from_fun (fun()->Format.pp_print_break ft n 0)) - | Ppcmd_print_break(m,n) -> - com_if ft (Lazy.from_fun(fun()->Format.pp_print_break ft m n)) + | Ppcmd_white_space n -> Format.pp_print_break ft n 0 + | Ppcmd_print_break(m,n) -> Format.pp_print_break ft m n | Ppcmd_set_tab -> Format.pp_set_tab ft () - | Ppcmd_print_tbreak(m,n) -> - com_if ft (Lazy.from_fun(fun()->Format.pp_print_tbreak ft m n)) - | Ppcmd_force_newline -> - com_brk ft; Format.pp_force_newline ft () - | Ppcmd_print_if_broken -> - com_if ft (Lazy.from_fun(fun()->Format.pp_print_if_newline ft ())) - | Ppcmd_comment coms -> -(* Format.pp_open_hvbox ft 0;*) - List.iter (pr_com ft) coms(*; - Format.pp_close_box ft ()*) + | Ppcmd_print_tbreak(m,n) -> Format.pp_print_tbreak ft m n + | Ppcmd_force_newline -> Format.pp_force_newline ft () + | Ppcmd_print_if_broken -> Format.pp_print_if_newline ft () + | Ppcmd_comment coms -> List.iter (pr_com ft) coms | Ppcmd_open_tag tag -> begin match pp_tag with | None -> () @@ -327,13 +301,12 @@ let pp_dirs ?pp_tag ft = in let pp_dir = function | Ppdir_ppcmds cmdstream -> Glue.iter pp_cmd cmdstream - | Ppdir_print_newline -> - com_brk ft; Format.pp_print_newline ft () + | Ppdir_print_newline -> Format.pp_print_newline ft () | Ppdir_print_flush -> Format.pp_print_flush ft () in fun (dirstream : _ ppdirs) -> try - Glue.iter pp_dir dirstream; com_brk ft + Glue.iter pp_dir dirstream with reraise -> let reraise = Backtrace.add_backtrace reraise in let () = Format.pp_print_flush ft () in |