1767 lines
62 KiB
OCaml
1767 lines
62 KiB
OCaml
(* camlp4r q_MLast.cmo ./pa_extfun.cmo *)
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(***********************************************************************)
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(* *)
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(* Camlp4 *)
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(* *)
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(* Daniel de Rauglaudre, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 2001 Institut National de Recherche en Informatique et *)
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(* Automatique. Distributed only by permission. *)
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(* *)
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(***********************************************************************)
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(* $Id$ *)
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open Pcaml;
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open Spretty;
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value not_impl name x =
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let desc =
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if Obj.is_block (Obj.repr x) then
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"tag = " ^ string_of_int (Obj.tag (Obj.repr x))
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else "int_val = " ^ string_of_int (Obj.magic x)
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in
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HVbox [: `S NO ("<pr_r: not impl: " ^ name ^ "; " ^ desc ^ ">") :]
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;
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value gen_where = ref True;
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value old_sequences = ref False;
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value input_file_ic = ref None;
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external is_printable : char -> bool = "is_printable";
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value char_escaped =
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fun
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[ '\\' -> "\\\\"
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| '\b' -> "\\b"
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| '\n' -> "\\n"
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| '\r' -> "\\r"
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| '\t' -> "\\t"
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| c ->
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if is_printable c then String.make 1 c
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else do {
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let n = Char.code c in
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let s = String.create 4 in
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String.unsafe_set s 0 '\\';
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String.unsafe_set s 1 (Char.unsafe_chr (48 + n / 100));
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String.unsafe_set s 2 (Char.unsafe_chr (48 + n / 10 mod 10));
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String.unsafe_set s 3 (Char.unsafe_chr (48 + n mod 10));
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s
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} ]
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;
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value apply_it l f =
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apply_it_f l where rec apply_it_f =
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fun
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[ [] -> f
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| [a :: l] -> a (apply_it_f l) ]
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;
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value rec list elem el k =
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match el with
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[ [] -> k
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| [x] -> [: `elem x k :]
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| [x :: l] -> [: `elem x [: :]; list elem l k :] ]
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;
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value rec listws elem sep el k =
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match el with
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[ [] -> k
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| [x] -> [: `elem x k :]
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| [x :: l] -> [: `elem x [: `sep :]; listws elem sep l k :] ]
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;
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value rec listwbws elem b sep el k =
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match el with
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[ [] -> [: b; k :]
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| [x] -> [: `elem b x k :]
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| [x :: l] -> [: `elem b x [: :]; listwbws elem [: `sep :] sep l k :] ]
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;
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value level box elem next e k =
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let rec curr e k = elem curr next e k in
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box e (curr e k)
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;
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value is_infix =
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let infixes = Hashtbl.create 73 in
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do {
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List.iter (fun s -> Hashtbl.add infixes s True)
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["=="; "!="; "+"; "+."; "-"; "-."; "*"; "*."; "/"; "/."; "**"; "**.";
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"="; "=."; "<>"; "<>."; "<"; "<."; ">"; ">."; "<="; "<=."; ">="; ">=.";
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"^"; "@"; "asr"; "land"; "lor"; "lsl"; "lsr"; "lxor"; "mod"; "or";
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"quo"; "&&"; "||"; "~-"; "~-."];
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fun s -> try Hashtbl.find infixes s with [ Not_found -> False ]
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}
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;
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value is_keyword =
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let keywords = Hashtbl.create 301 in
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do {
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List.iter (fun s -> Hashtbl.add keywords s True)
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["<>"; "<="; "struct"; "asr"; ":]"; "[:"; ":="; "type"; "::"; "return";
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"for"; "to"; "and"; "rec"; "||"; "of"; "with"; "while"; "module";
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"when"; "exception"; "lsr"; "lsl"; "done"; "/."; ".."; "->"; "in";
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"-."; "if"; "value"; "lor"; "external"; "sig"; "+."; "then"; "where";
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"*."; "**"; "match"; "parser"; "try"; "do"; "land"; "else"; "as";
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"open"; "}"; "|"; "end"; "{"; "lxor"; "`"; "_"; "^"; "]"; "["; "let";
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"!="; "@"; "?"; ">"; "="; "<"; ";"; ":"; "mutable"; "/"; "[|"; ".";
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"-"; ","; "+"; "downto"; "*"; ")"; "|]"; "("; "'"; "&&"; "functor";
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">="; "#"; "~-."; "~-"; "fun"; "mod"; "=="; "declare"];
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fun s -> try Hashtbl.find keywords s with [ Not_found -> False ]
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}
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;
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value has_special_chars v =
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match v.[0] with
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[ 'a'..'z' | 'A'..'Z' | '\192'..'\214' | '\216'..'\246' |
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'\248'..'\255' | '_' -> False
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| _ ->
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if String.length v >= 2 && v.[0] == '<' &&
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(v.[1] == '<' || v.[1] == ':')
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then
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False
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else True ]
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;
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value var_escaped v =
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if v = "" then "$lid:\"\"$"
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else if has_special_chars v || is_keyword v then " \\" ^ v
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else v
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;
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value flag n f = if f then [: `S LR n :] else [: :];
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(* default global loc *)
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value loc = (0, 0);
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(* extensible printers *)
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value sig_item x k = pr_sig_item.pr_fun "top" x "" [: `S RO ";"; k :];
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value str_item x k = pr_str_item.pr_fun "top" x "" [: `S RO ";"; k :];
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value expr x k = pr_expr.pr_fun "top" x "" k;
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value patt x k = pr_patt.pr_fun "top" x "" k;
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value expr_fun_args ge = Extfun.apply pr_expr_fun_args.val ge;
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(* type core *)
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value ctyp_f = ref (fun []);
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value ctyp t k = ctyp_f.val t k;
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value input_from_source bp ep =
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match input_file_ic.val with
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[ Some ic when ep > bp ->
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do {
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seek_in ic bp;
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let len = ep - bp in
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let buff = Buffer.create 20 in
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loop 0 where rec loop i =
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if i < len then do {
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let c = input_char ic in
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Buffer.add_char buff c;
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loop (i + 1)
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}
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else Buffer.contents buff
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}
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| _ -> "" ]
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;
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value rec labels loc b vl k =
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match vl with
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[ [] -> [: b; k :]
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| [v] -> [: `label True (snd loc) b v k :]
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| [v :: ([(nloc, _, _, _) :: _] as l)] ->
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[: `label False (fst nloc) b v [: :]; labels loc [: :] l k :] ]
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and label is_last bp_next b (loc, f, m, t) k =
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let m = flag "mutable" m in
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let txt =
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let s = input_from_source (snd loc) bp_next in
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let s =
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try
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let i = String.index s ';' in
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String.sub s (i + 1) (String.length s - i - 1)
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with
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[ Not_found -> "" ]
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in
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try
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let i = String.rindex s '\n' in
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String.sub s 0 i
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with
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[ Not_found -> s ]
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in
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let k = [: if is_last then [: :] else [: `S RO ";" :]; `S RO txt; k :] in
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Hbox
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[: `HVbox
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[: `HVbox [: b; `S LR f; `S LR ":" :];
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`HVbox [: m; `ctyp t [: :] :] :];
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k :]
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;
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value rec ctyp_list tel k = listws ctyp (S LR "and") tel k;
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value include_comment_of_last_constructor ep =
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match input_file_ic.val with
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[ Some ic ->
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do {
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seek_in ic ep;
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loop ep where rec loop ep =
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let c = input_char ic in
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if c = '\n' then ep + 1
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else loop (ep + 1)
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}
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| None -> ep ]
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;
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value rec variants loc b vl k =
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let ep = include_comment_of_last_constructor (snd loc) in
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variants_loop (fst loc, ep) b vl k
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and variants_loop loc b vl k =
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match vl with
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[ [] -> [: b; k :]
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| [v] -> [: `variant (snd loc) b v k :]
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| [v :: ([(nloc, _, _) :: _] as l)] ->
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[: `variant (fst nloc) b v [: :];
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variants_loop loc [: `S LR "|" :] l k :] ]
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and variant bp_next b (loc, c, tl) k =
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let txt =
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let s = input_from_source (snd loc) bp_next in
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try
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let i = String.rindex s '\n' in
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String.sub s 0 i
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with
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[ Not_found -> "" ]
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in
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let k = [: `S RO txt; k :] in
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match tl with
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[ [] -> HVbox [: b; `HOVbox [: `S LR c; k :] :]
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| _ ->
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HVbox
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[: b; `HOVbox [: `S LR c; `S LR "of"; ctyp_list tl [: :]; k :] :] ]
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;
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value rec row_fields b rfl k = listwbws row_field b (S LR "|") rfl k
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and row_field b rf k =
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match rf with
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[ MLast.RfTag c ao tl ->
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let c = "`" ^ c in
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match tl with
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[ [] -> HVbox [: b; `HOVbox [: `S LR c; k :] :]
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| _ ->
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let ao = if ao then [: `S LR "&" :] else [: :] in
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HVbox
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[: b; `HOVbox [: `S LR c; `S LR "of"; ao; ctyp_list tl k :] :] ]
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| MLast.RfInh t ->
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HVbox [: b; `ctyp t k :] ]
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;
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(* *)
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value rec class_longident sl k =
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match sl with
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[ [i] -> HVbox [: `S LR i; k :]
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| [m :: sl] -> HVbox [: `S LR m; `S NO "."; `class_longident sl k :]
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| _ -> HVbox [: `not_impl "class_longident" sl; k :] ]
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;
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value rec clty_longident sl k =
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match sl with
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[ [i] -> HVbox [: `S LR i; k :]
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| [m :: sl] -> HVbox [: `S LR m; `S NO "."; `clty_longident sl k :]
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| _ -> HVbox [: `not_impl "clty_longident" sl; k :] ]
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;
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value rec meth_list (ml, v) k =
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match (ml, v) with
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[ ([f], False) -> [: `field f k :]
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| ([], _) -> [: `S LR ".."; k :]
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| ([f :: ml], v) -> [: `field f [: `S RO ";" :]; meth_list (ml, v) k :] ]
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and field (lab, t) k = HVbox [: `S LR lab; `S LR ":"; `ctyp t k :];
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ctyp_f.val :=
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apply_it
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[level (fun _ x -> HOVbox x)
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(fun curr next t k ->
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match t with
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[ <:ctyp< $t1$ == $t2$ >> ->
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[: curr t1 [: `S LR "==" :]; `next t2 k :]
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| t -> [: `next t k :] ]);
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level (fun _ x -> HOVbox x)
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(fun curr next t k ->
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match t with
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[ <:ctyp< $x$ as $y$ >> -> [: curr x [: `S LR "as" :]; `next y k :]
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| t -> [: `next t k :] ]);
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level (fun _ x -> HOVbox x)
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(fun curr next t k ->
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match t with
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[ <:ctyp< $x$ -> $y$ >> -> [: `next x [: `S LR "->" :]; curr y k :]
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| t -> [: `next t k :] ]);
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level (fun _ x -> HOVbox x)
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(fun curr next t k ->
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match t with
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[ <:ctyp< $t1$ $t2$ >> -> [: curr t1 [: :]; `next t2 k :]
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| t -> [: `next t k :] ]);
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level (fun _ x -> HOVbox x)
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(fun curr next t k ->
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match t with
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[ <:ctyp< ? $lab$ : $t$ >> ->
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[: `S LO "?"; `S LR lab; `S RO ":"; `next t k :]
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| <:ctyp< ~ $lab$ : $t$ >> ->
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[: `S LO ("~" ^ lab ^ ":"); `next t k :]
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| t -> [: `next t k :] ]);
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level (fun _ x -> HOVbox x)
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(fun curr next t k ->
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match t with
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[ <:ctyp< $t1$ . $t2$ >> ->
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[: curr t1 [: :]; `S NO "."; `next t2 k :]
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| t -> [: `next t k :] ]);
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level (fun _ x -> HOVbox x)
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(fun curr next t k ->
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match t with
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[ <:ctyp< ($list:tl$) >> ->
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[: `S LO "("; listws ctyp (S LR "*") tl [: `S RO ")"; k :] :]
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| <:ctyp< '$s$ >> -> [: `S LO "'"; `S LR (var_escaped s); k :]
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| <:ctyp< $lid:s$ >> -> [: `S LR (var_escaped s); k :]
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| <:ctyp< $uid:s$ >> -> [: `S LR s; k :]
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| <:ctyp< _ >> -> [: `S LR "_"; k :]
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| <:ctyp< { $list: ftl$ } >> ->
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let loc = MLast.loc_of_ctyp t in
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[: `HVbox
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[: labels loc [: `S LR "{" :] ftl [: `S LR "}" :]; k :] :]
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| <:ctyp< [ $list:ctl$ ] >> ->
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let loc = MLast.loc_of_ctyp t in
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[: `Vbox
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[: `HVbox [: :];
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variants loc
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[: `S LR "[" :] ctl [: `S LR "]" :]; k :] :]
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| <:ctyp< [| $list:rfl$ |] >> ->
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[: `HVbox
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[: `HVbox [: :];
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row_fields [: `S LR "[|" :] rfl [: `S LR "|]" :];
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k :] :]
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| <:ctyp< [| > $list:rfl$ |] >> ->
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[: `HVbox
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[: `HVbox [: :];
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row_fields [: `S LR "[|"; `S LR ">" :] rfl
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[: `S LR "|]" :];
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k :] :]
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| <:ctyp< [| < $list:rfl$ > $list:sl$ |] >> ->
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let k1 = [: `S LR "|]" :] in
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let k1 =
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match sl with
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[ [] -> k1
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| l ->
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[: `S LR ">";
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list (fun x k -> HVbox [: `S LR x; k :]) l k1 :] ]
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in
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[: `HVbox
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[: `HVbox [: :];
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row_fields [: `S LR "[|"; `S LR "<" :] rfl k1; k :] :]
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| <:ctyp< $_$ -> $_$ >> | <:ctyp< $_$ $_$ >> |
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<:ctyp< $_$ == $_$ >> | <:ctyp< $_$ . $_$ >> |
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<:ctyp< $_$ as $_$ >> | <:ctyp< ? $_$ : $_$ >> |
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<:ctyp< ~ $_$ : $_$ >> ->
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[: `S LO "("; `ctyp t [: `HVbox [: `S RO ")"; k :] :] :]
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| MLast.TyCls _ id -> [: `S LO "#"; `class_longident id k :]
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| MLast.TyObj _ [] False -> [: `S LR "<>"; k :]
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| MLast.TyObj _ ml v ->
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[: `S LR "<"; meth_list (ml, v) [: `S LR ">"; k :] :] ])]
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(fun t k -> not_impl "ctyp" t);
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(* patterns *)
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value rec is_irrefut_patt =
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fun
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[ <:patt< $lid:_$ >> -> True
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| <:patt< () >> -> True
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| <:patt< _ >> -> True
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| <:patt< ($x$ as $_$) >> -> is_irrefut_patt x
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| <:patt< { $list:fpl$ } >> ->
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List.for_all (fun (_, p) -> is_irrefut_patt p) fpl
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| <:patt< ($p$ : $_$) >> -> is_irrefut_patt p
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| <:patt< ($list:pl$) >> -> List.for_all is_irrefut_patt pl
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| <:patt< ? $_$ : ( $p$ ) >> -> is_irrefut_patt p
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| <:patt< ? $_$ : ($p$ = $_$) >> -> is_irrefut_patt p
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| <:patt< ~ $_$ : $p$ >> -> is_irrefut_patt p
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| _ -> False ]
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;
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value rec get_defined_ident =
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fun
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[ <:patt< $_$ . $_$ >> -> []
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| <:patt< _ >> -> []
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| <:patt< $lid:x$ >> -> [x]
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| <:patt< ($p1$ as $p2$) >> -> get_defined_ident p1 @ get_defined_ident p2
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| <:patt< $int:_$ >> -> []
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| <:patt< $flo:_$ >> -> []
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| <:patt< $str:_$ >> -> []
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| <:patt< $chr:_$ >> -> []
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| <:patt< [| $list:pl$ |] >> -> List.flatten (List.map get_defined_ident pl)
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| <:patt< ($list:pl$) >> -> List.flatten (List.map get_defined_ident pl)
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| <:patt< $uid:_$ >> -> []
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| <:patt< ` $_$ >> -> []
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| <:patt< # $list:_$ >> -> []
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| <:patt< $p1$ $p2$ >> -> get_defined_ident p1 @ get_defined_ident p2
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| <:patt< { $list:lpl$ } >> ->
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List.flatten (List.map (fun (lab, p) -> get_defined_ident p) lpl)
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| <:patt< $p1$ | $p2$ >> -> get_defined_ident p1 @ get_defined_ident p2
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| <:patt< $p1$ .. $p2$ >> -> get_defined_ident p1 @ get_defined_ident p2
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| <:patt< ($p$ : $_$) >> -> get_defined_ident p
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| <:patt< ~ $_$ : $p$ >> -> get_defined_ident p
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| <:patt< ? $_$ : ($p$) >> -> get_defined_ident p
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| <:patt< ? $_$ : ($p$ = $e$) >> -> get_defined_ident p
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| MLast.PaAnt _ p -> get_defined_ident p ]
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;
|
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|
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value un_irrefut_patt p =
|
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match get_defined_ident p with
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[ [] -> (<:patt< _ >>, <:expr< () >>)
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| [i] -> (<:patt< $lid:i$ >>, <:expr< $lid:i$ >>)
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| il ->
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let (upl, uel) =
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List.fold_right
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(fun i (upl, uel) ->
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([<:patt< $lid:i$ >> :: upl], [<:expr< $lid:i$ >> :: uel]))
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il ([], [])
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in
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(<:patt< ($list:upl$) >>, <:expr< ($list:uel$) >>) ]
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;
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(* expressions *)
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pr_expr_fun_args.val :=
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extfun Extfun.empty with
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[ <:expr< fun [$p$ -> $e$] >> as ge ->
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if is_irrefut_patt p then
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let (pl, e) = expr_fun_args e in
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([p :: pl], e)
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else ([], ge)
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| ge -> ([], ge) ];
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value rec bind_list b pel k =
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match pel with
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[ [pe] -> let_binding b pe k
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| pel ->
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Vbox [: `HVbox [: :]; listwbws let_binding b (S LR "and") pel k :] ]
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and let_binding b (p, e) k =
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let (p, e) =
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if is_irrefut_patt p then (p, e)
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else
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let (up, ue) = un_irrefut_patt p in
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(up, <:expr< match $e$ with [ $p$ -> $ue$ ] >>)
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in
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BEbox [: let_binding0 [: b; `patt p [: :] :] e [: :]; k :]
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and let_binding0 b e k =
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let (pl, e) = expr_fun_args e in
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match e with
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[ <:expr< let $rec:r$ $lid:f$ = fun [ $list:pel$ ] in $e$ >>
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when
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let rec call_f =
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fun
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[ <:expr< $lid:f'$ >> -> f = f'
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| <:expr< $e$ $_$ >> -> call_f e
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| _ -> False ]
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in
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gen_where.val && call_f e ->
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let (pl1, e1) = expr_fun_args <:expr< fun [ $list:pel$ ] >> in
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[: `HVbox [: `HVbox b; `HOVbox (list patt pl [: `S LR "=" :]) :];
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`HVbox
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[: `HOVbox
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[: `expr e [: :]; `S LR "where"; flag "rec" r; `S LR f;
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`HVbox (list patt pl1 [: `S LR "=" :]) :];
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`expr e1 k :] :]
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| <:expr< ($e$ : $t$) >> ->
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[: `HVbox
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[: `HVbox b; `HOVbox (list patt pl [: `S LR ":" :]);
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`ctyp t [: `S LR "=" :] :];
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`expr e k :]
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| _ ->
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[: `HVbox [: `HVbox b; `HOVbox (list patt pl [: `S LR "=" :]) :];
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`expr e k :] ]
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and match_assoc_list pwel k =
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match pwel with
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[ [pwe] -> match_assoc [: `S LR "[" :] pwe [: `S LR "]"; k :]
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| pel ->
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Vbox
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[: `HVbox [: :];
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listwbws match_assoc [: `S LR "[" :] (S LR "|") pel
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[: `S LR "]"; k :] :] ]
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and match_assoc b (p, w, e) k =
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let s =
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let (p, k) =
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match p with
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[ <:patt< ($p$ as $p2$) >> -> (p, [: `S LR "as"; `patt p2 [: :] :])
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| _ -> (p, [: :]) ]
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in
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match w with
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[ Some e1 ->
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[: `HVbox
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[: `HVbox [: :]; `patt p k;
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`HVbox [: `S LR "when"; `expr e1 [: `S LR "->" :] :] :] :]
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| _ -> [: `patt p [: k; `S LR "->" :] :] ]
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in
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HVbox [: b; `HVbox [: `HVbox s; `expr e k :] :]
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;
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value label lab = S LR (var_escaped lab);
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value field_expr (lab, e) k = HVbox [: `label lab; `S LR "="; `expr e k :];
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value rec sequence_loop =
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fun
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[ [<:expr< let $rec:r$ $list:pel$ in $e$ >>] ->
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let el =
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match e with
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[ <:expr< do { $list:el$ } >> -> el
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| _ -> [e] ]
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in
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let r = flag "rec" r in
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[: listwbws (fun b (p, e) k -> let_binding b (p, e) k)
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[: `S LR "let"; r :] (S LR "and") pel [: `S RO ";" :];
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sequence_loop el :]
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| [(<:expr< let $rec:_$ $list:_$ in $_$ >> as e) :: el] ->
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[: `HVbox [: `S LO "("; `expr e [: `S RO ")"; `S RO ";" :] :];
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sequence_loop el :]
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| [e] -> [: `expr e [: :] :]
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| [e :: el] -> [: `expr e [: `S RO ";" :]; sequence_loop el :]
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| [] -> [: :] ]
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;
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value sequence b1 b2 b3 el k =
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BEbox
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[: `BEbox [: b1; b2; `HVbox [: b3; `S LR "do {" :] :];
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`HVbox [: `HVbox [: :]; sequence_loop el :];
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`HVbox [: `S LR "}"; k :] :]
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;
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value rec let_sequence e =
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match e with
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[ <:expr< do { $list:el$ } >> -> Some el
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| <:expr< let $rec:_$ $list:_$ in $e1$ >> ->
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match let_sequence e1 with
|
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[ Some _ -> Some [e]
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|
| None -> None ]
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|
| _ -> None ]
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|
;
|
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|
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value ifbox b1 b2 b3 e k =
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if old_sequences.val then HVbox [: `HOVbox [: b1; b2; b3 :]; `expr e k :]
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else
|
|
match let_sequence e with
|
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[ Some el -> sequence b1 b2 b3 el k
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|
| None -> HVbox [: `BEbox [: b1; b2; b3 :]; `expr e k :] ]
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|
;
|
|
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|
value rec type_params sl k =
|
|
list
|
|
(fun (s, vari) k ->
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let b =
|
|
match vari with
|
|
[ (True, False) -> [: `S LO "+" :]
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|
| (False, True) -> [: `S LO "-" :]
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|
| _ -> [: :] ]
|
|
in
|
|
HVbox [: b; `S LO "'"; `S LR s; k :])
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|
sl k
|
|
;
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|
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value constrain (t1, t2) k =
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HVbox [: `S LR "constraint"; `ctyp t1 [: `S LR "=" :]; `ctyp t2 k :]
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|
;
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|
|
|
value type_list b tdl k =
|
|
HVbox
|
|
[: `HVbox [: :];
|
|
listwbws
|
|
(fun b ((_, tn), tp, te, cl) k ->
|
|
let tn = var_escaped tn in
|
|
HVbox
|
|
[: `HVbox [: b; `S LR tn; type_params tp [: `S LR "=" :] :];
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|
`ctyp te [: :]; list constrain cl k :])
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|
b (S LR "and") tdl [: :];
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k :]
|
|
;
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value external_def s t pl k =
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|
let ls = list (fun s k -> HVbox [: `S LR ("\"" ^ s ^ "\""); k :]) pl k in
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|
HVbox
|
|
[: `HVbox [: `S LR "external"; `S LR (var_escaped s); `S LR ":" :];
|
|
`ctyp t [: `S LR "="; ls :] :]
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|
;
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|
|
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value value_description s t k =
|
|
HVbox
|
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[: `HVbox [: `S LR "value"; `S LR (var_escaped s); `S LR ":" :];
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|
`ctyp t k :]
|
|
;
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|
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value rec mod_ident sl k =
|
|
match sl with
|
|
[ [] -> k
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| [s] -> [: `S LR (var_escaped s); k :]
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| [s :: sl] -> [: `S LR s; `S NO "."; mod_ident sl k :] ]
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|
;
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|
|
|
value rec module_type mt k =
|
|
let next = module_type1 in
|
|
match mt with
|
|
[ <:module_type< functor ( $s$ : $mt1$ ) -> $mt2$ >> ->
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|
let head =
|
|
HVbox
|
|
[: `S LR "functor"; `S LO "("; `S LR s; `S LR ":";
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|
`module_type mt1 [: `S RO ")" :]; `S LR "->" :]
|
|
in
|
|
HVbox [: `head; `module_type mt2 k :]
|
|
| _ -> next mt k ]
|
|
and module_type1 mt k =
|
|
let curr = module_type1 in
|
|
let next = module_type2 in
|
|
match mt with
|
|
[ <:module_type< $mt$ with $list:icl$ >> ->
|
|
HVbox [: `curr mt [: :]; `with_constraints [: `S LR "with" :] icl k :]
|
|
| _ -> next mt k ]
|
|
and module_type2 mt k =
|
|
let curr = module_type2 in
|
|
let next = module_type3 in
|
|
match mt with
|
|
[ <:module_type< sig $list:s$ end >> ->
|
|
BEbox
|
|
[: `S LR "sig"; `HVbox [: `HVbox [: :]; list sig_item s [: :] :];
|
|
`HVbox [: `S LR "end"; k :] :]
|
|
| _ -> next mt k ]
|
|
and module_type3 mt k =
|
|
let curr = module_type3 in
|
|
let next = module_type4 in
|
|
match mt with
|
|
[ <:module_type< $mt1$ $mt2$ >> -> HVbox [: `curr mt1 [: :]; `next mt2 k :]
|
|
| _ -> next mt k ]
|
|
and module_type4 mt k =
|
|
let curr = module_type4 in
|
|
let next = module_type5 in
|
|
match mt with
|
|
[ <:module_type< $mt1$ . $mt2$ >> ->
|
|
HVbox [: `curr mt1 [: `S NO "." :]; `next mt2 k :]
|
|
| _ -> next mt k ]
|
|
and module_type5 mt k =
|
|
match mt with
|
|
[ <:module_type< $lid:s$ >> -> HVbox [: `S LR s; k :]
|
|
| <:module_type< $uid:s$ >> -> HVbox [: `S LR s; k :]
|
|
| _ -> HVbox [: `S LO "("; `module_type mt [: `S RO ")"; k :] :] ]
|
|
and module_declaration b mt k =
|
|
match mt with
|
|
[ <:module_type< functor ( $i$ : $t$ ) -> $mt$ >> ->
|
|
module_declaration
|
|
[: b; `S LO "("; `S LR i; `S LR ":"; `module_type t [: `S RO ")" :] :]
|
|
mt k
|
|
| _ ->
|
|
HVbox
|
|
[: `HVbox [: :];
|
|
`HVbox [: `HVbox [: b; `S LR ":" :]; `module_type mt [: :] :];
|
|
k :] ]
|
|
and modtype_declaration s mt k =
|
|
HVbox
|
|
[: `HVbox [: :];
|
|
`HVbox
|
|
[: `HVbox [: `S LR "module"; `S LR "type"; `S LR s; `S LR "=" :];
|
|
`module_type mt [: :] :];
|
|
k :]
|
|
and with_constraints b icl k =
|
|
HVbox [: `HVbox [: :]; listwbws with_constraint b (S LR "and") icl k :]
|
|
and with_constraint b wc k =
|
|
match wc with
|
|
[ MLast.WcTyp _ p al e ->
|
|
let params =
|
|
match al with
|
|
[ [] -> [: :]
|
|
| [s] -> [: `S LO "'"; `S LR (fst s) :]
|
|
| sl -> [: `S LO "("; type_params sl [: `S RO ")" :] :] ]
|
|
in
|
|
HVbox
|
|
[: `HVbox
|
|
[: `HVbox b; `S LR "type"; params;
|
|
mod_ident p [: `S LR "=" :] :];
|
|
`ctyp e k :]
|
|
| MLast.WcMod _ sl mt ->
|
|
HVbox
|
|
[: b; `S LR "module"; mod_ident sl [: `S LR "=" :];
|
|
`module_type mt k :] ]
|
|
and module_expr me k =
|
|
match me with
|
|
[ <:module_expr< struct $list:s$ end >> ->
|
|
let s = HVbox [: `S LR "struct"; list str_item s [: :] :] in
|
|
HVbox [: `HVbox [: :]; `s; `HVbox [: `S LR "end"; k :] :]
|
|
| <:module_expr< functor ($s$ : $mt$) -> $me$ >> ->
|
|
let head =
|
|
HVbox
|
|
[: `S LR "functor"; `S LO "("; `S LR s; `S LR ":";
|
|
`module_type mt [: `S RO ")" :]; `S LR "->" :]
|
|
in
|
|
HVbox [: `head; `module_expr me k :]
|
|
| _ -> module_expr1 me k ]
|
|
and module_expr1 me k =
|
|
let curr = module_expr1 in
|
|
let next = module_expr2 in
|
|
match me with
|
|
[ <:module_expr< $me1$ $me2$ >> -> HVbox [: `curr me1 [: :]; `next me2 k :]
|
|
| _ -> next me k ]
|
|
and module_expr2 me k =
|
|
let curr = module_expr2 in
|
|
let next = module_expr3 in
|
|
match me with
|
|
[ <:module_expr< $me1$ . $me2$ >> ->
|
|
HVbox [: `curr me1 [: `S NO "." :]; `next me2 k :]
|
|
| _ -> next me k ]
|
|
and module_expr3 me k =
|
|
let curr = module_expr3 in
|
|
match me with
|
|
[ <:module_expr< $uid:s$ >> -> HVbox [: `S LR s; k :]
|
|
| <:module_expr< ( $me$ : $mt$ ) >> ->
|
|
HVbox
|
|
[: `S LO "("; `module_expr me [: `S LR ":" :];
|
|
`module_type mt [: `S RO ")"; k :] :]
|
|
| <:module_expr< struct $list:_$ end >> ->
|
|
HVbox [: `S LO "("; `module_expr me [: `S RO ")"; k :] :]
|
|
| x -> not_impl "module_expr3" x ]
|
|
and module_binding b me k =
|
|
match me with
|
|
[ <:module_expr< functor ($s$ : $mt$) -> $mb$ >> ->
|
|
module_binding
|
|
[: `HVbox
|
|
[: b; `S LO "("; `S LR s; `S LR ":";
|
|
`module_type mt [: `S RO ")" :] :] :]
|
|
mb k
|
|
| <:module_expr< ( $me$ : $mt$ ) >> ->
|
|
HVbox
|
|
[: `HVbox [: :];
|
|
`HVbox
|
|
[: `HVbox
|
|
[: `HVbox [: b; `S LR ":" :];
|
|
`module_type mt [: `S LR "=" :] :];
|
|
`module_expr me [: :] :];
|
|
k :]
|
|
| _ ->
|
|
HVbox
|
|
[: `HVbox [: :];
|
|
`HVbox [: `HVbox [: b; `S LR "=" :]; `module_expr me [: :] :];
|
|
k :] ]
|
|
and class_declaration b ci k =
|
|
class_fun_binding
|
|
[: b; flag "virtual" ci.MLast.ciVir; `S LR ci.MLast.ciNam;
|
|
class_type_parameters ci.MLast.ciPrm :]
|
|
ci.MLast.ciExp k
|
|
and class_fun_binding b ce k =
|
|
match ce with
|
|
[ MLast.CeFun _ p cfb -> class_fun_binding [: b; `patt p [: :] :] cfb k
|
|
| ce -> HVbox [: `HVbox [: b; `S LR "=" :]; `class_expr ce k :] ]
|
|
and class_type_parameters (loc, tpl) =
|
|
match tpl with
|
|
[ [] -> [: :]
|
|
| tpl ->
|
|
[: `S LO "["; listws type_parameter (S RO ",") tpl [: `S RO "]" :] :] ]
|
|
and type_parameter tp k = HVbox [: `S LO "'"; `S LR (fst tp); k :]
|
|
and class_expr ce k =
|
|
match ce with
|
|
[ MLast.CeFun _ p ce ->
|
|
HVbox
|
|
[: `S LR "fun"; `simple_patt p [: `S LR "->" :]; `class_expr ce k :]
|
|
| MLast.CeLet _ rf lb ce ->
|
|
Vbox
|
|
[: `HVbox [: :];
|
|
`bind_list [: `S LR "let"; flag "rec" rf :] lb [: `S LR "in" :];
|
|
`class_expr ce k :]
|
|
| ce -> class_expr1 ce k ]
|
|
and class_expr1 ce k =
|
|
match ce with
|
|
[ MLast.CeApp _ ce e ->
|
|
HVbox [: `class_expr1 ce [: :]; `simple_expr e k :]
|
|
| ce -> class_expr2 ce k ]
|
|
and class_expr2 ce k =
|
|
match ce with
|
|
[ MLast.CeCon _ ci [] -> class_longident ci k
|
|
| MLast.CeCon _ ci ctcl ->
|
|
HVbox
|
|
[: `class_longident ci [: :]; `S LO "[";
|
|
listws ctyp (S RO ",") ctcl [: `S RO "]"; k :] :]
|
|
| MLast.CeStr _ csp cf ->
|
|
class_structure [: `S LR "object"; `class_self_patt_opt csp :] cf
|
|
[: `S LR "end"; k :]
|
|
| MLast.CeTyc _ ce ct ->
|
|
HVbox
|
|
[: `S LO "("; `class_expr ce [: `S LR ":" :];
|
|
`class_type ct [: `S RO ")"; k :] :]
|
|
| MLast.CeFun _ _ _ ->
|
|
HVbox [: `S LO "("; `class_expr ce [: `S RO ")"; k :] :]
|
|
| _ -> HVbox [: `not_impl "class_expr" ce; k :] ]
|
|
and simple_expr e k =
|
|
match e with
|
|
[ <:expr< $lid:_$ >> -> expr e k
|
|
| _ -> HVbox [: `S LO "("; `expr e [: `S RO ")"; k :] :] ]
|
|
and class_structure b cf k =
|
|
BEbox
|
|
[: `HVbox b; `HVbox [: `HVbox [: :]; list class_str_item cf [: :] :];
|
|
`HVbox k :]
|
|
and class_self_patt_opt csp =
|
|
match csp with
|
|
[ Some p -> HVbox [: `S LO "("; `patt p [: `S RO ")" :] :]
|
|
| None -> HVbox [: :] ]
|
|
and class_str_item cf k =
|
|
let k = [: `S RO ";"; k :] in
|
|
match cf with
|
|
[ MLast.CrDcl _ s ->
|
|
HVbox [: `HVbox [: :]; list class_str_item s [: :] :]
|
|
| MLast.CrInh _ ce pb ->
|
|
HVbox
|
|
[: `S LR "inherit"; `class_expr ce [: :];
|
|
match pb with
|
|
[ Some i -> [: `S LR "as"; `S LR i :]
|
|
| _ -> [: :] ];
|
|
k :]
|
|
| MLast.CrVal _ lab mf e ->
|
|
HVbox [: `S LR "value"; `cvalue (lab, mf, e) k :]
|
|
| MLast.CrVir _ lab pf t ->
|
|
HVbox
|
|
[: `S LR "method"; `S LR "virtual"; flag "private" pf; `label lab;
|
|
`S LR ":"; `ctyp t k :]
|
|
| MLast.CrMth _ lab pf fb ->
|
|
fun_binding [: `S LR "method"; flag "private" pf; `label lab :] fb k
|
|
| MLast.CrCtr _ t1 t2 ->
|
|
HVbox
|
|
[: `HVbox [: `S LR "type"; `ctyp t1 [: `S LR "=" :] :]; `ctyp t2 k :]
|
|
| MLast.CrIni _ se -> HVbox [: `S LR "initializer"; `expr se k :] ]
|
|
and label lab = S LR (var_escaped lab)
|
|
and cvalue (lab, mf, e) k =
|
|
HVbox [: flag "mutable" mf; `label lab; `S LR "="; `expr e k :]
|
|
and fun_binding b fb k =
|
|
match fb with
|
|
[ <:expr< fun $p$ -> $e$ >> -> fun_binding [: b; `simple_patt p [: :] :] e k
|
|
| e -> HVbox [: `HVbox [: b; `S LR "=" :]; `expr e k :] ]
|
|
and simple_patt p k =
|
|
match p with
|
|
[ <:patt< $lid:_$ >> | <:patt< ~ $_$ : $_$ >> | <:patt< ~ $_$ >> -> patt p k
|
|
| _ -> HVbox [: `S LO "("; `patt p [: `S RO ")"; k :] :] ]
|
|
and class_type ct k =
|
|
match ct with
|
|
[ MLast.CtFun _ t ct ->
|
|
HVbox
|
|
[: `S LR "["; `ctyp t [: `S LR "]"; `S LR "->" :]; `class_type ct k :]
|
|
| _ -> class_signature ct k ]
|
|
and class_signature cs k =
|
|
match cs with
|
|
[ MLast.CtCon _ id [] -> clty_longident id k
|
|
| MLast.CtCon _ id tl ->
|
|
HVbox
|
|
[: `clty_longident id [: :]; `S LO "[";
|
|
listws ctyp (S RO ",") tl [: `S RO "]"; k :] :]
|
|
| MLast.CtSig _ cst csf ->
|
|
class_self_type [: `S LR "object" :] cst
|
|
[: `HVbox [: `HVbox [: :]; list class_sig_item csf [: :] :];
|
|
`HVbox [: `S LR "end"; k :] :]
|
|
| _ -> HVbox [: `not_impl "class_signature" cs; k :] ]
|
|
and class_self_type b cst k =
|
|
BEbox
|
|
[: `HVbox
|
|
[: b;
|
|
match cst with
|
|
[ None -> [: :]
|
|
| Some t -> [: `S LO "("; `ctyp t [: `S RO ")" :] :] ] :];
|
|
k :]
|
|
and class_sig_item csf k =
|
|
let k = [: `S RO ";"; k :] in
|
|
match csf with
|
|
[ MLast.CgCtr _ t1 t2 ->
|
|
HVbox [: `S LR "type"; `ctyp t1 [: `S LR "=" :]; `ctyp t2 k :]
|
|
| MLast.CgDcl _ s ->
|
|
HVbox [: `HVbox [: :]; list class_sig_item s k :]
|
|
| MLast.CgMth _ lab pf t ->
|
|
HVbox
|
|
[: `S LR "method"; flag "private" pf; `label lab; `S LR ":";
|
|
`ctyp t k :]
|
|
| MLast.CgVal _ lab mf t ->
|
|
HVbox
|
|
[: `S LR "value"; flag "mutable" mf; `label lab; `S LR ":";
|
|
`ctyp t k :]
|
|
| _ -> HVbox [: `not_impl "class_sig_item" csf; k :] ]
|
|
and class_description b ci k =
|
|
HVbox
|
|
[: `HVbox
|
|
[: b; flag "virtual" ci.MLast.ciVir; `S LR ci.MLast.ciNam;
|
|
class_type_parameters ci.MLast.ciPrm; `S LR ":" :];
|
|
`class_type ci.MLast.ciExp k :]
|
|
and class_type_declaration b ci k =
|
|
HVbox
|
|
[: `HVbox
|
|
[: b; flag "virtual" ci.MLast.ciVir; `S LR ci.MLast.ciNam;
|
|
class_type_parameters ci.MLast.ciPrm; `S LR "=" :];
|
|
`class_signature ci.MLast.ciExp k :]
|
|
;
|
|
|
|
pr_sig_item.pr_levels :=
|
|
[{pr_label = "top";
|
|
pr_box s x = LocInfo (MLast.loc_of_sig_item s) (HVbox x);
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:sig_item< type $list:stl$ >> ->
|
|
fun curr next _ k -> [: `type_list [: `S LR "type" :] stl k :]
|
|
| <:sig_item< declare $list:s$ end >> ->
|
|
fun curr next _ k ->
|
|
[: `BEbox
|
|
[: `S LR "declare";
|
|
`HVbox [: `HVbox [: :]; list sig_item s [: :] :];
|
|
`HVbox [: `S LR "end"; k :] :] :]
|
|
| MLast.SgDir _ _ _ as si ->
|
|
fun curr next _ k -> [: `not_impl "sig_item1" si :]
|
|
| <:sig_item< exception $c$ of $list:tl$ >> ->
|
|
fun curr next _ k ->
|
|
[: `variant 0 [: `S LR "exception" :] (loc, c, tl) k :]
|
|
| <:sig_item< value $s$ : $t$ >> ->
|
|
fun curr next _ k -> [: `value_description s t k :]
|
|
| <:sig_item< include $mt$ >> ->
|
|
fun curr next _ k -> [: `S LR "include"; `module_type mt k :]
|
|
| <:sig_item< external $s$ : $t$ = $list:pl$ >> ->
|
|
fun curr next _ k -> [: `external_def s t pl k :]
|
|
| <:sig_item< module $s$ : $mt$ >> ->
|
|
fun curr next _ k ->
|
|
[: `module_declaration [: `S LR "module"; `S LR s :] mt k :]
|
|
| <:sig_item< module type $s$ = $mt$ >> ->
|
|
fun curr next _ k -> [: `modtype_declaration s mt k :]
|
|
| <:sig_item< open $sl$ >> ->
|
|
fun curr next _ k -> [: `S LR "open"; mod_ident sl k :]
|
|
| MLast.SgCls _ cd ->
|
|
fun curr next _ k ->
|
|
[: `HVbox [: :];
|
|
listwbws class_description [: `S LR "class" :] (S LR "and") cd
|
|
k :]
|
|
| MLast.SgClt _ cd ->
|
|
fun curr next _ k ->
|
|
[: `HVbox [: :];
|
|
listwbws class_type_declaration
|
|
[: `S LR "class"; `S LR "type" :] (S LR "and") cd k :] ]}];
|
|
|
|
pr_str_item.pr_levels :=
|
|
[{pr_label = "top";
|
|
pr_box s x = LocInfo (MLast.loc_of_str_item s) (HVbox x);
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:str_item< open $i$ >> ->
|
|
fun curr next _ k -> [: `S LR "open"; mod_ident i k :]
|
|
| <:str_item< $exp:e$ >> ->
|
|
fun curr next _ k -> [: `HVbox [: :]; `expr e k :]
|
|
| <:str_item< declare $list:s$ end >> ->
|
|
fun curr next _ k ->
|
|
[: `BEbox
|
|
[: `S LR "declare";
|
|
`HVbox [: `HVbox [: :]; list str_item s [: :] :];
|
|
`HVbox [: `S LR "end"; k :] :] :]
|
|
| <:str_item< # $s$ $opt:x$ >> ->
|
|
fun curr next _ k ->
|
|
let s =
|
|
"(* #" ^ s ^ " " ^
|
|
(match x with
|
|
[ Some <:expr< $str:s$ >> -> "\"" ^ s ^ "\""
|
|
| _ -> "?" ]) ^
|
|
" *)"
|
|
in
|
|
[: `S LR s :]
|
|
| <:str_item< exception $c$ of $list:tl$ = $b$ >> ->
|
|
fun curr next _ k ->
|
|
match b with
|
|
[ [] -> [: `variant 0 [: `S LR "exception" :] (loc, c, tl) k :]
|
|
| _ ->
|
|
[: `variant 0 [: `S LR "exception" :] (loc, c, tl)
|
|
[: `S LR "=" :];
|
|
mod_ident b k :] ]
|
|
| <:str_item< include $me$ >> ->
|
|
fun curr next _ k -> [: `S LR "include"; `module_expr me k :]
|
|
| <:str_item< type $list:tdl$ >> ->
|
|
fun curr next _ k -> [: `type_list [: `S LR "type" :] tdl k :]
|
|
| <:str_item< value $rec:rf$ $list:pel$ >> ->
|
|
fun curr next _ k ->
|
|
[: `bind_list [: `S LR "value"; flag "rec" rf :] pel k :]
|
|
| <:str_item< external $s$ : $t$ = $list:pl$ >> ->
|
|
fun curr next _ k -> [: `external_def s t pl k :]
|
|
| <:str_item< module $s$ = $me$ >> ->
|
|
fun curr next _ k ->
|
|
[: `module_binding [: `S LR "module"; `S LR s :] me k :]
|
|
| <:str_item< module type $s$ = $mt$ >> ->
|
|
fun curr next _ k ->
|
|
[: `HVbox [: :];
|
|
`HVbox
|
|
[: `HVbox
|
|
[: `S LR "module"; `S LR "type"; `S LR s;
|
|
`S LR "=" :];
|
|
`module_type mt [: :] :];
|
|
k :]
|
|
| MLast.StCls _ cd ->
|
|
fun curr next _ k ->
|
|
[: `HVbox [: :];
|
|
listwbws class_declaration [: `S LR "class" :] (S LR "and") cd
|
|
k :]
|
|
| MLast.StClt _ cd ->
|
|
fun curr next _ k ->
|
|
[: `HVbox [: :];
|
|
listwbws class_type_declaration
|
|
[: `S LR "class"; `S LR "type" :] (S LR "and") cd k :] ]}];
|
|
|
|
(*
|
|
EXTEND_PRINTER
|
|
pr_expr:
|
|
[ "top" (fun e x -> LocInfo (MLast.loc_of_expr e) (HOVbox x))
|
|
[ <:expr< let $rec:r$ $p1$ = $e1$ in $e$ >> ->
|
|
let r = flag "rec" r in
|
|
[: `Vbox
|
|
[: `HVbox [: :];
|
|
`let_binding [: `S LR "let"; r :] (p1, e1)
|
|
[: `S LR "in" :];
|
|
`expr e k :] :]
|
|
| <:expr< let $rec:r$ $list:pel$ in $e$ >> ->
|
|
let r = flag "rec" r in
|
|
[: `Vbox
|
|
[: `HVbox [: :];
|
|
listwbws (fun b (p, e) k -> let_binding b (p, e) k)
|
|
[: `S LR "let"; r :] (S LR "and") pel [: `S LR "in" :];
|
|
`expr e k :] :] ] ]
|
|
;
|
|
END;
|
|
*)
|
|
|
|
pr_expr.pr_levels :=
|
|
[{pr_label = "top"; pr_box e x = LocInfo (MLast.loc_of_expr e) (HOVbox x);
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< let $rec:r$ $p1$ = $e1$ in $e$ >> ->
|
|
fun curr next _ k ->
|
|
let r = flag "rec" r in
|
|
[: `Vbox
|
|
[: `HVbox [: :];
|
|
`let_binding [: `S LR "let"; r :] (p1, e1)
|
|
[: `S LR "in" :];
|
|
`expr e k :] :]
|
|
| <:expr< let $rec:r$ $list:pel$ in $e$ >> ->
|
|
fun curr next _ k ->
|
|
let r = flag "rec" r in
|
|
[: `Vbox
|
|
[: `HVbox [: :];
|
|
listwbws (fun b (p, e) k -> let_binding b (p, e) k)
|
|
[: `S LR "let"; r :] (S LR "and") pel [: `S LR "in" :];
|
|
`expr e k :] :]
|
|
| <:expr< let module $m$ = $mb$ in $e$ >> ->
|
|
fun curr next _ k ->
|
|
[: `HVbox
|
|
[: `HVbox [: :];
|
|
`module_binding
|
|
[: `S LR "let"; `S LR "module"; `S LR m :] mb
|
|
[: `S LR "in" :];
|
|
`expr e k :] :]
|
|
| <:expr< fun [ $list:pel$ ] >> ->
|
|
fun curr next _ k ->
|
|
match pel with
|
|
[ [] -> [: `S LR "fun"; `S LR "[]"; k :]
|
|
| [(p, None, e)] ->
|
|
if is_irrefut_patt p then
|
|
let (pl, e) = expr_fun_args e in
|
|
[: `BEbox
|
|
[: `HOVbox
|
|
[: `S LR "fun";
|
|
list patt [p :: pl] [: `S LR "->" :] :];
|
|
`expr e k :] :]
|
|
else
|
|
[: `HVbox [: `S LR "fun ["; `patt p [: `S LR "->" :] :];
|
|
`expr e [: `S LR "]"; k :] :]
|
|
| _ ->
|
|
[: `Vbox
|
|
[: `HVbox [: :]; `S LR "fun";
|
|
listwbws match_assoc [: `S LR "[" :] (S LR "|") pel
|
|
[: `S LR "]"; k :] :] :] ]
|
|
| <:expr< match $e$ with $p1$ -> $e1$ >> when is_irrefut_patt p1 ->
|
|
fun curr next _ k ->
|
|
[: `BEbox
|
|
[: `S LR "match"; `expr e [: :];
|
|
`HVbox [: `S LR "with"; `patt p1 [: `S LR "->" :] :] :];
|
|
`expr e1 k :]
|
|
| <:expr< match $e$ with [ ] >> ->
|
|
fun curr next _ k ->
|
|
[: `HVbox [: :];
|
|
`BEbox
|
|
[: `S LR "match"; `expr e [: :]; `S LR "with"; `S LR "[]";
|
|
k :] :]
|
|
| <:expr< match $e$ with [ $list:pel$ ] >> ->
|
|
fun curr next _ k ->
|
|
[: `HVbox [: :];
|
|
`BEbox [: `S LR "match"; `expr e [: :]; `S LR "with" :];
|
|
`match_assoc_list pel k :]
|
|
| <:expr< try $e$ with [ ] >> ->
|
|
fun curr next _ k ->
|
|
[: `HVbox [: :];
|
|
`BEbox
|
|
[: `S LR "try"; `expr e [: :]; `S LR "with"; `S LR "[]";
|
|
k :] :]
|
|
| <:expr< try $e$ with $p1$ -> $e1$ >> when is_irrefut_patt p1 ->
|
|
fun curr next _ k ->
|
|
[: `BEbox
|
|
[: `S LR "try"; `expr e [: :];
|
|
`HVbox [: `S LR "with"; `patt p1 [: `S LR "->" :] :] :];
|
|
`expr e1 k :]
|
|
| <:expr< try $e$ with [ $list:pel$ ] >> ->
|
|
fun curr next _ k ->
|
|
[: `HVbox [: :];
|
|
`BEbox [: `S LR "try"; `expr e [: :]; `S LR "with" :];
|
|
`match_assoc_list pel k :]
|
|
| <:expr< if $_$ then () else raise (Assert_failure $_$) >> as e ->
|
|
fun curr next _ k -> [: `next e "" k :]
|
|
| <:expr< if $e1$ then $e2$ else $e3$ >> ->
|
|
fun curr next _ k ->
|
|
let (eel, e) =
|
|
elseif e3 where rec elseif e =
|
|
match e with
|
|
[ <:expr< if $e1$ then $e2$ else $e3$ >> ->
|
|
let (eel, e) = elseif e3 in
|
|
([(e1, e2) :: eel], e)
|
|
| _ -> ([], e) ]
|
|
in
|
|
[: `HVbox
|
|
[: `HVbox [: :];
|
|
`ifbox [: `S LR "if" :] [: `expr e1 [: :] :]
|
|
[: `S LR "then" :] e2 [: :];
|
|
list
|
|
(fun (e1, e2) k ->
|
|
ifbox [: `HVbox [: `S LR "else"; `S LR "if" :] :]
|
|
[: `expr e1 [: :] :] [: `S LR "then" :] e2 k)
|
|
eel [: :];
|
|
`ifbox [: `S LR "else" :] [: :] [: :] e k :] :]
|
|
| <:expr< do { $list:el$ } >> when old_sequences.val ->
|
|
fun curr next _ k ->
|
|
let (el, e) =
|
|
match List.rev el with
|
|
[ [e :: el] -> (List.rev el, e)
|
|
| [] -> ([], <:expr< () >>) ]
|
|
in
|
|
[: `HOVCbox
|
|
[: `HVbox [: :];
|
|
`BEbox
|
|
[: `S LR "do";
|
|
`HVbox
|
|
[: `HVbox [: :];
|
|
list (fun e k -> expr e [: `S RO ";"; k :])
|
|
el [: :] :];
|
|
`S LR "return" :];
|
|
`expr e k :] :]
|
|
| <:expr< do { $list:el$ } >> ->
|
|
fun curr next _ k -> [: `sequence [: :] [: :] [: :] el k :]
|
|
| <:expr< for $i$ = $e1$ $to:d$ $e2$ do { $list:el$ } >>
|
|
when old_sequences.val ->
|
|
fun curr next _ k ->
|
|
let d = if d then "to" else "downto" in
|
|
[: `BEbox
|
|
[: `HOVbox
|
|
[: `S LR "for"; `S LR i; `S LR "=";
|
|
`expr e1 [: `S LR d :];
|
|
`expr e2 [: `S LR "do" :] :];
|
|
`HVbox
|
|
[: `HVbox [: :];
|
|
list (fun e k -> expr e [: `S RO ";"; k :]) el
|
|
[: :] :];
|
|
`HVbox [: `S LR "done"; k :] :] :]
|
|
| <:expr< for $i$ = $e1$ $to:d$ $e2$ do { $list:el$ } >> ->
|
|
fun curr next _ k ->
|
|
let d = if d then "to" else "downto" in
|
|
[: `sequence
|
|
[: `HOVbox
|
|
[: `S LR "for"; `S LR i; `S LR "=";
|
|
`expr e1 [: `S LR d :]; `expr e2 [: :] :] :]
|
|
[: :] [: :] el k :]
|
|
| <:expr< while $e1$ do { $list:el$ } >> when old_sequences.val ->
|
|
fun curr next _ k ->
|
|
[: `BEbox
|
|
[: `BEbox [: `S LR "while"; `expr e1 [: :]; `S LR "do" :];
|
|
`HVbox
|
|
[: `HVbox [: :];
|
|
list (fun e k -> expr e [: `S RO ";"; k :]) el
|
|
[: :] :];
|
|
`HVbox [: `S LR "done"; k :] :] :]
|
|
| <:expr< while $e1$ do { $list:el$ } >> ->
|
|
fun curr next _ k ->
|
|
[: `sequence [: `S LR "while"; `expr e1 [: :] :] [: :] [: :] el
|
|
k :]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]};
|
|
{pr_label = ""; pr_box _ x = HOVbox x;
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< $x$ := $y$ >> ->
|
|
fun curr next _ k -> [: `next x "" [: `S LR ":=" :]; `expr y k :]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]};
|
|
{pr_label = ""; pr_box _ x = HOVbox [: `HVbox [: :]; x :];
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< $lid:"||"$ $x$ $y$ >> ->
|
|
fun curr next _ k -> [: `next x "" [: `S LR "||" :]; curr y "" k :]
|
|
| <:expr< $lid:"or"$ $x$ $y$ >> ->
|
|
fun curr next _ k -> [: `next x "" [: `S LR "||" :]; curr y "" k :]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]};
|
|
{pr_label = ""; pr_box _ x = HOVbox [: `HVbox [: :]; x :];
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< $lid:"&&"$ $x$ $y$ >> ->
|
|
fun curr next _ k -> [: `next x "" [: `S LR "&&" :]; curr y "" k :]
|
|
| <:expr< $lid:"&"$ $x$ $y$ >> ->
|
|
fun curr next _ k -> [: `next x "" [: `S LR "&&" :]; curr y "" k :]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]};
|
|
{pr_label = ""; pr_box _ x = HOVbox x;
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< $lid:op$ $x$ $y$ >> as e ->
|
|
fun curr next _ k ->
|
|
match op with
|
|
[ "<" | ">" | "<=" | ">=" | ">=." | "=" | "<>" | "==" | "!=" ->
|
|
[: curr x "" [: `S LR op :]; `next y "" k :]
|
|
| _ -> [: `next e "" k :] ]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]};
|
|
{pr_label = ""; pr_box _ x = HOVbox x;
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< $lid:op$ $x$ $y$ >> as e ->
|
|
fun curr next _ k ->
|
|
match op with
|
|
[ "^" | "@" -> [: `next x "" [: `S LR op :]; curr y "" k :]
|
|
| _ -> [: `next e "" k :] ]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]};
|
|
{pr_label = ""; pr_box _ x = HOVbox x;
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< $lid:op$ $x$ $y$ >> as e ->
|
|
fun curr next _ k ->
|
|
match op with
|
|
[ "+" | "+." | "-" | "-." ->
|
|
[: curr x "" [: `S LR op :]; `next y "" k :]
|
|
| _ -> [: `next e "" k :] ]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]};
|
|
{pr_label = ""; pr_box _ x = HOVbox x;
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< $lid:op$ $x$ $y$ >> as e ->
|
|
fun curr next _ k ->
|
|
match op with
|
|
[ "*" | "/" | "*." | "/." | "land" | "lor" | "lxor" | "mod" ->
|
|
[: curr x "" [: `S LR op :]; `next y "" k :]
|
|
| _ -> [: `next e "" k :] ]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]};
|
|
{pr_label = ""; pr_box _ x = HOVbox x;
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< $lid:op$ $x$ $y$ >> as e ->
|
|
fun curr next _ k ->
|
|
match op with
|
|
[ "**" | "asr" | "lsl" | "lsr" ->
|
|
[: `next x "" [: `S LR op :]; curr y "" k :]
|
|
| _ -> [: `next e "" k :] ]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]};
|
|
{pr_label = ""; pr_box _ x = HOVbox x;
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< $lid:"~-"$ $x$ >> ->
|
|
fun curr next _ k -> [: `S LR "-"; curr x "" k :]
|
|
| <:expr< $lid:"~-."$ $x$ >> ->
|
|
fun curr next _ k -> [: `S LR "-."; curr x "" k :]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]};
|
|
{pr_label = ""; pr_box _ x = HOVbox x;
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< $int:x$ >> -> fun curr next _ k -> [: `S LR x; k :]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]};
|
|
{pr_label = "apply"; pr_box _ x = HOVbox x;
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< [$_$ :: $_$] >> as e ->
|
|
fun curr next _ k -> [: `next e "" k :]
|
|
| <:expr< Pervasives.ref (Lazy.Delayed (fun () -> $x$)) >> ->
|
|
fun curr next _ k -> [: `S LR "lazy"; `next x "" k :]
|
|
| <:expr< if $e$ then () else raise (Assert_failure $_$) >> ->
|
|
fun curr next _ k -> [: `S LR "assert"; `next e "" k :]
|
|
| <:expr< raise (Assert_failure $_$) >> ->
|
|
fun curr next _ k -> [: `S LR "assert"; `S LR "False"; k :]
|
|
| <:expr< $lid:n$ $x$ $y$ >> as e ->
|
|
fun curr next _ k ->
|
|
if is_infix n then [: `next e "" k :]
|
|
else [: curr <:expr< $lid:n$ $x$ >> "" [: :]; `next y "" k :]
|
|
| <:expr< $x$ $y$ >> ->
|
|
fun curr next _ k -> [: curr x "" [: :]; `next y "" k :]
|
|
| MLast.ExNew _ sl ->
|
|
fun curr next _ k -> [: `S LR "new"; `class_longident sl k :]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]};
|
|
{pr_label = "dot"; pr_box _ x = HOVbox x;
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< $x$ . ( $y$ ) >> ->
|
|
fun curr next _ k ->
|
|
[: curr x "" [: :]; `S NO ".("; `expr y [: `S RO ")"; k :] :]
|
|
| <:expr< $x$ . [ $y$ ] >> ->
|
|
fun curr next _ k ->
|
|
[: curr x "" [: :]; `S NO ".["; `expr y [: `S RO "]"; k :] :]
|
|
| <:expr< $e1$ . $e2$ >> ->
|
|
fun curr next _ k -> [: curr e1 "" [: :]; `S NO "."; curr e2 "" k :]
|
|
| <:expr< $e$ # $lab$ >> ->
|
|
fun curr next _ k -> [: curr e "" [: :]; `S NO "#"; `label lab; k :]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]};
|
|
{pr_label = "simple";
|
|
pr_box e x = LocInfo (MLast.loc_of_expr e) (HOVbox x);
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:expr< $int:x$ >> ->
|
|
fun curr next _ k ->
|
|
if x.[0] = '-' then [: `S LO "("; `S LR x; `S RO ")"; k :]
|
|
else [: `S LR x; k :]
|
|
| <:expr< $flo:x$ >> ->
|
|
fun curr next _ k ->
|
|
if x.[0] = '-' then [: `S LO "("; `S LR x; `S RO ")"; k :]
|
|
else [: `S LR x; k :]
|
|
| <:expr< $str:s$ >> ->
|
|
fun curr next _ k -> [: `S LR ("\"" ^ s ^ "\""); k :]
|
|
| <:expr< $chr:c$ >> ->
|
|
fun curr next _ k -> [: `S LR ("'" ^ c ^ "'"); k :]
|
|
| <:expr< $uid:s$ >> -> fun curr next _ k -> [: `S LR s; k :]
|
|
| <:expr< $lid:s$ >> ->
|
|
fun curr next _ k -> [: `S LR (var_escaped s); k :]
|
|
| <:expr< ` $i$ >> -> fun curr next _ k -> [: `S LR ("`" ^ i); k :]
|
|
| <:expr< ~ $i$ : $lid:j$ >> when i = j ->
|
|
fun curr next _ k -> [: `S LR ("~" ^ i); k :]
|
|
| <:expr< ~ $i$ : $e$ >> ->
|
|
fun curr next _ k -> [: `S LO ("~" ^ i ^ ":"); curr e "" k :]
|
|
| <:expr< ? $i$ : $lid:j$ >> when i = j ->
|
|
fun curr next _ k -> [: `S LR ("?" ^ i); k :]
|
|
| <:expr< ? $i$ : $e$ >> ->
|
|
fun curr next _ k -> [: `S LO ("?" ^ i ^ ":"); curr e "" k :]
|
|
| <:expr< [$_$ :: $_$] >> as e ->
|
|
fun curr next _ k ->
|
|
let (el, c) =
|
|
make_list e where rec make_list e =
|
|
match e with
|
|
[ <:expr< [$e$ :: $y$] >> ->
|
|
let (el, c) = make_list y in
|
|
([e :: el], c)
|
|
| <:expr< [] >> -> ([], None)
|
|
| x -> ([], Some e) ]
|
|
in
|
|
match c with
|
|
[ None ->
|
|
[: `S LO "["; listws expr (S RO ";") el [: `S RO "]"; k :] :]
|
|
| Some x ->
|
|
[: `S LO "["; listws expr (S RO ";") el [: `S LR "::" :];
|
|
`expr x [: `S RO "]"; k :] :] ]
|
|
| <:expr< [| $list:el$ |] >> ->
|
|
fun curr next _ k ->
|
|
[: `S LR "[|"; listws expr (S RO ";") el [: `S LR "|]"; k :] :]
|
|
| <:expr< { $list:fel$ } >> ->
|
|
fun curr next _ k ->
|
|
[: `S LO "{";
|
|
listws
|
|
(fun (lab, e) k ->
|
|
HVbox [: let_binding0 [: `patt lab [: :] :] e k :])
|
|
(S RO ";") fel [: `S RO "}"; k :] :]
|
|
| <:expr< { ($e$) with $list:fel$ } >> ->
|
|
fun curr next _ k ->
|
|
[: `HVbox
|
|
[: `S LO "{"; `S LO "(";
|
|
`expr e [: `S RO ")"; `S LR "with" :] :];
|
|
listws
|
|
(fun (lab, e) k ->
|
|
HVbox [: `patt lab [: `S LR "=" :]; `expr e k :])
|
|
(S RO ";") fel [: `S RO "}"; k :] :]
|
|
| <:expr< ($e$ : $t$) >> ->
|
|
fun curr next _ k ->
|
|
[: `S LO "("; `expr e [: `S LR ":" :];
|
|
`ctyp t [: `S RO ")"; k :] :]
|
|
| <:expr< ($e$ : $t1$ :> $t2$) >> ->
|
|
fun curr next _ k ->
|
|
[: `S LO "("; `expr e [: `S LR ":" :];
|
|
`ctyp t1 [: `S LR ":>" :]; `ctyp t2 [: `S RO ")"; k :] :]
|
|
| <:expr< ($e$ :> $t2$) >> ->
|
|
fun curr next _ k ->
|
|
[: `S LO "("; `expr e [: `S LR ":>" :];
|
|
`ctyp t2 [: `S RO ")"; k :] :]
|
|
| MLast.ExOvr _ [] -> fun curr next _ k -> [: `S LR "{< >}"; k :]
|
|
| MLast.ExOvr _ fel ->
|
|
fun curr next _ k ->
|
|
[: `S LR "{<";
|
|
listws field_expr (S RO ";") fel [: `S LR ">}"; k :] :]
|
|
| <:expr< ($list:el$) >> ->
|
|
fun curr next _ k ->
|
|
[: `S LO "("; listws expr (S RO ",") el [: `S RO ")"; k :] :]
|
|
| <:expr< $_$ $_$ >> | <:expr< $uid:_$ $_$ $_$ >> |
|
|
<:expr< $_$ . $_$ >> | <:expr< $_$ # $_$ >> |
|
|
<:expr< fun [ $list:_$ ] >> | <:expr< match $_$ with [ $list:_$ ] >> |
|
|
<:expr< try $_$ with [ $list:_$ ] >> |
|
|
<:expr< if $_$ then $_$ else $_$ >> | <:expr< do { $list:_$ } >> |
|
|
<:expr< for $_$ = $_$ $to:_$ $_$ do { $list:_$ } >> |
|
|
<:expr< while $_$ do { $list:_$ } >> |
|
|
<:expr< let $rec:_$ $list:_$ in $_$ >> | MLast.ExNew _ _ as e ->
|
|
fun curr next _ k ->
|
|
[: `S LO "("; `expr e [: `HVbox [: `S RO ")"; k :] :] :]
|
|
| e -> fun curr next _ k -> [: `next e "" k :] ]}];
|
|
|
|
pr_patt.pr_levels :=
|
|
[{pr_label = "top"; pr_box _ x = HOVbox [: `HVbox [: :]; x :];
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:patt< $x$ | $y$ >> ->
|
|
fun curr next _ k -> [: curr x "" [: `S LR "|" :]; `next y "" k :]
|
|
| p -> fun curr next _ k -> [: `next p "" k :] ]};
|
|
{pr_label = ""; pr_box _ x = HOVbox [: `HVbox [: :]; x :];
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:patt< $x$ .. $y$ >> ->
|
|
fun curr next _ k -> [: curr x "" [: `S NO ".." :]; `next y "" k :]
|
|
| p -> fun curr next _ k -> [: `next p "" k :] ]};
|
|
{pr_label = ""; pr_box _ x = HOVbox x;
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:patt< [$_$ :: $_$] >> as p ->
|
|
fun curr next _ k -> [: `next p "" k :]
|
|
| <:patt< $x$ $y$ >> ->
|
|
fun curr next _ k -> [: curr x "" [: :]; `next y "" k :]
|
|
| p -> fun curr next _ k -> [: `next p "" k :] ]};
|
|
{pr_label = ""; pr_box _ x = HOVbox x;
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:patt< $x$ . $y$ >> ->
|
|
fun curr next _ k -> [: curr x "" [: `S NO "." :]; `next y "" k :]
|
|
| p -> fun curr next _ k -> [: `next p "" k :] ]};
|
|
{pr_label = "simple"; pr_box _ x = HOVbox x;
|
|
pr_rules =
|
|
extfun Extfun.empty with
|
|
[ <:patt< [$_$ :: $_$] >> as p ->
|
|
fun curr next _ k ->
|
|
let (pl, c) =
|
|
make_list p where rec make_list p =
|
|
match p with
|
|
[ <:patt< [$p$ :: $y$] >> ->
|
|
let (pl, c) = make_list y in
|
|
([p :: pl], c)
|
|
| <:patt< [] >> -> ([], None)
|
|
| x -> ([], Some p) ]
|
|
in
|
|
[: `HOVCbox
|
|
[: `S LO "[";
|
|
let rec glop pl k =
|
|
match pl with
|
|
[ [] -> failwith "simple_patt"
|
|
| [p] ->
|
|
match c with
|
|
[ None -> [: `patt p k :]
|
|
| Some x ->
|
|
[: `patt p [: `S LR "::" :]; `patt x k :] ]
|
|
| [p :: pl] ->
|
|
[: `patt p [: `S RO ";" :]; glop pl k :] ]
|
|
in
|
|
glop pl [: `S RO "]"; k :] :] :]
|
|
| <:patt< [| $list:pl$ |] >> ->
|
|
fun curr next _ k ->
|
|
[: `S LR "[|"; listws patt (S RO ";") pl [: `S LR "|]"; k :] :]
|
|
| <:patt< { $list:fpl$ } >> ->
|
|
fun curr next _ k ->
|
|
[: `HVbox
|
|
[: `S LO "{";
|
|
listws
|
|
(fun (lab, p) k ->
|
|
HVbox [: `patt lab [: `S LR "=" :]; `patt p k :])
|
|
(S RO ";") fpl [: `S RO "}"; k :] :] :]
|
|
| <:patt< ($list:[p::pl]$) >> ->
|
|
fun curr next _ k ->
|
|
[: `HOVCbox
|
|
[: `S LO "(";
|
|
listws patt (S RO ",") [p :: pl] [: `S RO ")"; k :] :] :]
|
|
| <:patt< ($p$ : $ct$) >> ->
|
|
fun curr next _ k ->
|
|
[: `S LO "("; `patt p [: `S LR ":" :];
|
|
`ctyp ct [: `S RO ")"; k :] :]
|
|
| <:patt< ($x$ as $y$) >> ->
|
|
fun curr next _ k ->
|
|
[: `S LO "("; `patt x [: `S LR "as" :];
|
|
`patt y [: `S RO ")"; k :] :]
|
|
| <:patt< $int:s$ >> -> fun curr next _ k -> [: `S LR s; k :]
|
|
| <:patt< $flo:s$ >> -> fun curr next _ k -> [: `S LR s; k :]
|
|
| <:patt< $str:s$ >> ->
|
|
fun curr next _ k -> [: `S LR ("\"" ^ s ^ "\""); k :]
|
|
| <:patt< $chr:c$ >> ->
|
|
fun curr next _ k -> [: `S LR ("'" ^ c ^ "'"); k :]
|
|
| <:patt< $lid:s$ >> ->
|
|
fun curr next _ k -> [: `S LR (var_escaped s); k :]
|
|
| <:patt< $uid:s$ >> -> fun curr next _ k -> [: `S LR s; k :]
|
|
| <:patt< ` $i$ >> -> fun curr next _ k -> [: `S LR ("`" ^ i); k :]
|
|
| <:patt< # $list:sl$ >> ->
|
|
fun curr next _ k -> [: `S LO "#"; mod_ident sl k :]
|
|
| <:patt< ~ $i$ : $p$ >> ->
|
|
fun curr next _ k -> [: `S LO ("~" ^ i ^ ":"); curr p "" k :]
|
|
| <:patt< ? $i$ : ($p$ : $t$) >> ->
|
|
fun curr next _ k ->
|
|
[: `S LO ("?"^ i ^ ":"); `S LO "("; `patt p [: `S LR ":" :];
|
|
`ctyp t [: `S RO ")"; k :] :]
|
|
| <:patt< ? $i$ : ($p$) >> ->
|
|
fun curr next _ k ->
|
|
match p with
|
|
[ <:patt< $lid:x$ >> when i = x -> [: `S LR ("?" ^ i); k :]
|
|
| _ ->
|
|
[: `S LO ("?"^ i ^ ":"); `S LO "("; `patt p [: `S RO ")";
|
|
k :] :] ]
|
|
| <:patt< ? $i$ : ($p$ : $t$ = $e$) >> ->
|
|
fun curr next _ k ->
|
|
match p with
|
|
[ <:patt< $lid:x$ >> when i = x ->
|
|
[: `S LO "?"; `S LO "("; `patt p [: `S LR ":" :];
|
|
`ctyp t [: `S LR "=" :]; `expr e [: `S RO ")"; k :] :]
|
|
| _ ->
|
|
[: `S LO ("?" ^ i ^ ":"); `S LO "("; `patt p [: `S LR ":" :];
|
|
`ctyp t [: `S LR "=" :]; `expr e [: `S RO ")"; k :] :] ]
|
|
| <:patt< ? $i$ : ($p$ = $e$) >> ->
|
|
fun curr next _ k ->
|
|
match p with
|
|
[ <:patt< $lid:x$ >> when i = x ->
|
|
[: `S LO "?"; `S LO "("; `patt p [: `S LR "=" :];
|
|
`expr e [: `S RO ")"; k :] :]
|
|
| _ ->
|
|
[: `S LO ("?" ^ i ^ ":"); `S LO "("; `patt p [: `S LR "=" :];
|
|
`expr e [: `S RO ")"; k :] :] ]
|
|
| <:patt< _ >> -> fun curr next _ k -> [: `S LR "_"; k :]
|
|
| <:patt< $_$ $_$ >> | <:patt< $_$ .. $_$ >>
|
|
| <:patt< $_$ | $_$ >> as p ->
|
|
fun curr next _ k ->
|
|
[: `S LO "("; `patt p [: `HVbox [: `S RO ")"; k :] :] :]
|
|
| p -> fun curr next _ k -> [: `next p "" k :] ]}];
|
|
|
|
value output_string_eval oc s =
|
|
loop 0 where rec loop i =
|
|
if i == String.length s then ()
|
|
else if i == String.length s - 1 then output_char oc s.[i]
|
|
else
|
|
match (s.[i], s.[i + 1]) with
|
|
[ ('\\', 'n') -> do { output_char oc '\n'; loop (i + 2) }
|
|
| (c, _) -> do { output_char oc c; loop (i + 1) } ]
|
|
;
|
|
|
|
value maxl = ref 78;
|
|
value sep = Pcaml.inter_phrases;
|
|
value ncip = ref False;
|
|
value comm_after = ref False;
|
|
value type_comm = ref False;
|
|
value delayed_comm = ref "";
|
|
|
|
value copy_after oc s =
|
|
let s =
|
|
try
|
|
let i = String.index s '\n' in
|
|
do {
|
|
output_string oc (String.sub s 0 i);
|
|
String.sub s i (String.length s - i)
|
|
}
|
|
with
|
|
[ Not_found -> s ]
|
|
in
|
|
do {
|
|
output_string oc delayed_comm.val;
|
|
let len = String.length s in
|
|
let i =
|
|
if len > 4 && String.sub s (len - 3) 3 = "*)\n"
|
|
then
|
|
loop (len - 6) where rec loop i =
|
|
if i >= 0 then
|
|
if String.sub s i 5 = "\n(** " then i + 1 else loop (i - 1)
|
|
else len
|
|
else len
|
|
in
|
|
output_string oc (String.sub s 0 i);
|
|
delayed_comm.val :=
|
|
if i < len then "\n" ^ String.sub s i (len - i - 1)
|
|
else String.sub s i (len - i)
|
|
}
|
|
;
|
|
|
|
value input_source ic dont_skip_to_next_bol len =
|
|
let buff = Buffer.create 20 in
|
|
loop dont_skip_to_next_bol 0 where rec loop bol_found i =
|
|
if i = len then Buffer.contents buff
|
|
else
|
|
let c = input_char ic in
|
|
let bol_found = bol_found || c = '\n' in
|
|
do {
|
|
if bol_found then Buffer.add_char buff c else ();
|
|
loop bol_found (i + 1)
|
|
}
|
|
;
|
|
|
|
value copy_source ic oc first bp ep =
|
|
match sep.val with
|
|
[ Some str ->
|
|
if first then ()
|
|
else if ep == in_channel_length ic then output_string oc "\n"
|
|
else output_string_eval oc str
|
|
| None ->
|
|
do {
|
|
seek_in ic bp;
|
|
let s = input_source ic (first || not type_comm.val) (ep - bp) in
|
|
if not comm_after.val then output_string oc s
|
|
else copy_after oc s
|
|
} ]
|
|
;
|
|
|
|
value copy_to_end ic oc first bp =
|
|
let ilen = in_channel_length ic in
|
|
if bp < ilen then copy_source ic oc first bp ilen
|
|
else output_string oc "\n"
|
|
;
|
|
|
|
module Buff =
|
|
struct
|
|
value buff = ref (String.create 80);
|
|
value store len x =
|
|
do {
|
|
if len >= String.length buff.val then
|
|
buff.val := buff.val ^ String.create (String.length buff.val)
|
|
else ();
|
|
buff.val.[len] := x;
|
|
succ len
|
|
}
|
|
;
|
|
value mstore len s =
|
|
add_rec len 0 where rec add_rec len i =
|
|
if i == String.length s then len
|
|
else add_rec (store len s.[i]) (succ i)
|
|
;
|
|
value get len = String.sub buff.val 0 len;
|
|
end
|
|
;
|
|
|
|
value extract_comment strm =
|
|
let rec find_comm sp_cnt =
|
|
parser
|
|
[ [: `'('; a = find_star sp_cnt :] -> a
|
|
| [: `' '; s :] -> find_comm (sp_cnt + 1) s
|
|
| [: `_; s :] -> find_comm 0 s
|
|
| [: :] -> "" ]
|
|
and find_star sp_cnt =
|
|
parser
|
|
[ [: `'*'; a = insert (Buff.mstore 0 "(*") :] -> a
|
|
| [: a = find_comm 0 :] -> a ]
|
|
and insert len =
|
|
parser
|
|
[ [: `'*'; a = rparen (Buff.store len '*') :] -> a
|
|
| [: `x; s :] -> insert (Buff.store len x) s
|
|
| [: :] -> "" ]
|
|
and rparen len =
|
|
parser
|
|
[ [: `')'; s :] -> if_newline (Buff.store len ')') s
|
|
| [: a = insert len :] -> a ]
|
|
and if_newline len =
|
|
parser
|
|
[ [: `'\n'; a = while_space (Buff.store len '\n') :] -> a
|
|
| [: :] -> " " ^ Buff.get len ]
|
|
and while_space len =
|
|
parser
|
|
[ [: `(' ' as c); a = while_space (Buff.store len c) :] -> a
|
|
| [: `'\n'; a = while_space len :] -> a
|
|
| [: :] -> Buff.get len ]
|
|
in
|
|
find_comm 0 strm
|
|
;
|
|
|
|
value print_comment ic oc last_ep (bp, ep) =
|
|
if bp > last_ep.val then do {
|
|
seek_in ic last_ep.val;
|
|
let strm =
|
|
Stream.from
|
|
(fun i -> if i = bp - last_ep.val then None else Some (input_char ic))
|
|
in
|
|
match extract_comment strm with
|
|
[ "" -> ()
|
|
| s -> output_string oc s ];
|
|
last_ep.val := last_ep.val + Stream.count strm
|
|
}
|
|
else ()
|
|
;
|
|
|
|
value apply_printer printer ast =
|
|
let oc =
|
|
match Pcaml.output_file.val with
|
|
[ Some f -> open_out_bin f
|
|
| None -> stdout ]
|
|
in
|
|
let cleanup () =
|
|
match Pcaml.output_file.val with
|
|
[ Some _ -> close_out oc
|
|
| None -> () ]
|
|
in
|
|
let pr_ch = output_char oc in
|
|
let pr_str = output_string oc in
|
|
let pr_nl () = output_char oc '\n' in
|
|
if Pcaml.input_file.val <> "-" && Pcaml.input_file.val <> "" then do {
|
|
let ic = open_in_bin Pcaml.input_file.val in
|
|
let last_ep = ref 0 in
|
|
let prcom =
|
|
if not ncip.val && sep.val = None then print_comment ic oc last_ep
|
|
else fun _ -> ()
|
|
in
|
|
try
|
|
do {
|
|
input_file_ic.val := if type_comm.val then Some ic else None;
|
|
let (first, last_pos) =
|
|
List.fold_left
|
|
(fun (first, last_pos) (si, (bp, ep)) ->
|
|
do {
|
|
copy_source ic oc first last_pos bp;
|
|
flush oc;
|
|
last_ep.val := bp;
|
|
print_pretty pr_ch pr_str pr_nl "" "" maxl.val prcom
|
|
(printer si [: :]);
|
|
flush oc;
|
|
(False, ep)
|
|
})
|
|
(True, 0) ast
|
|
in
|
|
copy_to_end ic oc first last_pos;
|
|
flush oc
|
|
}
|
|
with x ->
|
|
do { close_in ic; input_file_ic.val := None; cleanup (); raise x };
|
|
close_in ic;
|
|
input_file_ic.val := None;
|
|
cleanup ()
|
|
}
|
|
else do {
|
|
List.iter
|
|
(fun (si, _) ->
|
|
do {
|
|
print_pretty pr_ch pr_str pr_nl "" "" maxl.val (fun _ -> ())
|
|
(printer si [: :]);
|
|
match sep.val with
|
|
[ Some str -> output_string_eval oc str
|
|
| None -> output_char oc '\n' ];
|
|
flush oc
|
|
})
|
|
ast;
|
|
cleanup ()
|
|
}
|
|
;
|
|
|
|
Pcaml.print_interf.val := apply_printer sig_item;
|
|
Pcaml.print_implem.val := apply_printer str_item;
|
|
|
|
Pcaml.add_option "-l" (Arg.Int (fun x -> maxl.val := x))
|
|
"<length> Maximum line length for pretty printing.";
|
|
|
|
Pcaml.add_option "-sep_src" (Arg.Unit (fun () -> sep.val := None))
|
|
" Read source file for text between phrases.";
|
|
|
|
Pcaml.add_option "-sep" (Arg.String (fun x -> sep.val := Some x))
|
|
"<string> Use this string between phrases instead of reading source.";
|
|
|
|
Pcaml.add_option "-no_where" (Arg.Clear gen_where)
|
|
" Dont generate \"where\" statements";
|
|
|
|
Pcaml.add_option "-ncip" (Arg.Set ncip) " No comments in phrases.";
|
|
|
|
Pcaml.add_option "-old_seq" (Arg.Set old_sequences)
|
|
" Pretty print with old syntax for sequences.";
|
|
|
|
Pcaml.add_option "-ca" (Arg.Set comm_after)
|
|
" Put the ocamldoc comments after declarations.";
|
|
|
|
Pcaml.add_option "-tc" (Arg.Set type_comm)
|
|
" Add the comments inside sum and record types.";
|