diff options
| -rw-r--r-- | parsing/cLexer.ml4 | 59 | ||||
| -rw-r--r-- | parsing/cLexer.mli | 4 | ||||
| -rw-r--r-- | parsing/compat.ml4 | 76 | ||||
| -rw-r--r-- | toplevel/coqloop.ml | 12 | ||||
| -rw-r--r-- | toplevel/coqloop.mli | 2 | ||||
| -rw-r--r-- | toplevel/vernac.ml | 29 | ||||
| -rw-r--r-- | toplevel/vernac.mli | 4 |
7 files changed, 116 insertions, 70 deletions
diff --git a/parsing/cLexer.ml4 b/parsing/cLexer.ml4 index bec891f7f1..777cdc9bf7 100644 --- a/parsing/cLexer.ml4 +++ b/parsing/cLexer.ml4 @@ -340,34 +340,35 @@ let comm_loc bp = match !comment_begin with | None -> comment_begin := Some bp | _ -> () -let current = Buffer.create 8192 -let between_com = ref true +let current_comment = Buffer.create 8192 +let between_commands = ref true -type com_state = int option * string * bool -let restore_com_state (o,s,b) = +type comments_state = int option * string * bool * ((int * int) * string) list +let restore_comments_state (o,s,b,c) = comment_begin := o; - Buffer.clear current; Buffer.add_string current s; - between_com := b -let dflt_com = (None,"",true) -let com_state () = - let s = (!comment_begin, Buffer.contents current, !between_com) in - restore_com_state dflt_com; s + Buffer.clear current_comment; Buffer.add_string current_comment s; + between_commands := b; + Pp.comments := c +let default_comments_state = (None,"",true,[]) +let comments_state () = + let s = (!comment_begin, Buffer.contents current_comment, !between_commands, !Pp.comments) in + restore_comments_state default_comments_state; s -let real_push_char c = Buffer.add_char current c +let real_push_char c = Buffer.add_char current_comment c (* Add a char if it is between two commands, if it is a newline or if the last char is not a space itself. *) let push_char c = if - !between_com || List.mem c ['\n';'\r'] || + !between_commands || List.mem c ['\n';'\r'] || (List.mem c [' ';'\t']&& - (Int.equal (Buffer.length current) 0 || - not (let s = Buffer.contents current in + (Int.equal (Buffer.length current_comment) 0 || + not (let s = Buffer.contents current_comment in List.mem s.[String.length s - 1] [' ';'\t';'\n';'\r']))) then real_push_char c -let push_string s = Buffer.add_string current s +let push_string s = Buffer.add_string current_comment s let null_comment s = let rec null i = @@ -375,12 +376,12 @@ let null_comment s = null (String.length s - 1) let comment_stop ep = - let current_s = Buffer.contents current in - if !Flags.xml_export && Buffer.length current > 0 && - (!between_com || not(null_comment current_s)) then + let current_s = Buffer.contents current_comment in + if !Flags.xml_export && Buffer.length current_comment > 0 && + (!between_commands || not(null_comment current_s)) then Hook.get f_xml_output_comment current_s; - (if Flags.do_beautify() && Buffer.length current > 0 && - (!between_com || not(null_comment current_s)) then + (if Flags.do_beautify() && Buffer.length current_comment > 0 && + (!between_commands || not(null_comment current_s)) then let bp = match !comment_begin with Some bp -> bp | None -> @@ -390,9 +391,9 @@ let comment_stop ep = ++ int ep); ep-1 in Pp.comments := ((bp,ep),current_s) :: !Pp.comments); - Buffer.clear current; + Buffer.clear current_comment; comment_begin := None; - between_com := false + between_commands := false (* Does not unescape!!! *) let rec comm_string loc bp = parser @@ -548,16 +549,16 @@ let rec next_token loc = parser bp | KEYWORD ("." | "...") -> if not (blank_or_eof s) then err (set_loc_pos loc bp (ep+1)) Undefined_token; - between_com := true; + between_commands := true; | _ -> () in (t, set_loc_pos loc bp ep) | [< ' ('-'|'+'|'*' as c); s >] -> - let t,new_between_com = - if !between_com then process_sequence loc bp c s, true + let t,new_between_commands = + if !between_commands then process_sequence loc bp c s, true else process_chars loc bp c s,false in - comment_stop bp; between_com := new_between_com; t + comment_stop bp; between_commands := new_between_commands; t | [< ''?'; s >] ep -> let t = parse_after_qmark loc bp s in comment_stop bp; (t, set_loc_pos loc ep bp) @@ -590,9 +591,9 @@ let rec next_token loc = parser bp (try find_keyword loc id s with Not_found -> IDENT id), set_loc_pos loc bp ep | AsciiChar | Utf8Token ((Unicode.Symbol | Unicode.IdentPart), _) -> let t = process_chars loc bp (Stream.next s) s in - let new_between_com = match t with - (KEYWORD ("{"|"}"),_) -> !between_com | _ -> false in - comment_stop bp; between_com := new_between_com; t + let new_between_commands = match t with + (KEYWORD ("{"|"}"),_) -> !between_commands | _ -> false in + comment_stop bp; between_commands := new_between_commands; t | EmptyStream -> comment_stop bp; (EOI, set_loc_pos loc bp (bp+1)) diff --git a/parsing/cLexer.mli b/parsing/cLexer.mli index 3b4891d9ac..2c05d6a95f 100644 --- a/parsing/cLexer.mli +++ b/parsing/cLexer.mli @@ -34,10 +34,6 @@ type frozen_t val freeze : unit -> frozen_t val unfreeze : frozen_t -> unit -type com_state -val com_state: unit -> com_state -val restore_com_state: com_state -> unit - val xml_output_comment : (string -> unit) Hook.t val terminal : string -> Tok.t diff --git a/parsing/compat.ml4 b/parsing/compat.ml4 index 18bc8d664f..ecf515111c 100644 --- a/parsing/compat.ml4 +++ b/parsing/compat.ml4 @@ -138,12 +138,21 @@ module type LexerSig = sig exception E of t val to_string : t -> string end + type comments_state + val default_comments_state : comments_state + val comments_state : unit -> comments_state + val restore_comments_state : comments_state -> unit end ELSE -module type LexerSig = - Camlp4.Sig.Lexer with module Loc = CompatLoc and type Token.t = Tok.t +module type LexerSig = sig + include Camlp4.Sig.Lexer with module Loc = CompatLoc and type Token.t = Tok.t + type comments_state + val default_comments_state : comments_state + val comments_state : unit -> comments_state + val restore_comments_state : comments_state -> unit +end END @@ -162,10 +171,13 @@ module type GrammarSig = sig string option * Gramext.g_assoc option * production_rule list type extend_statment = Gramext.position option * single_extend_statment list + type coq_parsable + val parsable : char Stream.t -> coq_parsable val action : 'a -> action val entry_create : string -> 'a entry - val entry_parse : 'a entry -> parsable -> 'a + val entry_parse : 'a entry -> coq_parsable -> 'a val entry_print : Format.formatter -> 'a entry -> unit + val with_parsable : coq_parsable -> ('a -> 'b) -> 'a -> 'b val srules' : production_rule list -> symbol val parse_tokens_after_filter : 'a entry -> Tok.t Stream.t -> 'a end @@ -181,14 +193,33 @@ module GrammarMake (L:LexerSig) : GrammarSig = struct string option * Gramext.g_assoc option * production_rule list type extend_statment = Gramext.position option * single_extend_statment list + type coq_parsable = parsable * L.comments_state ref + let parsable c = + let state = ref L.default_comments_state in (parsable c, state) let action = Gramext.action let entry_create = Entry.create - let entry_parse e p = - try Entry.parse e p + let entry_parse e (p,state) = + L.restore_comments_state !state; + try + let c = Entry.parse e p in + state := L.comments_state (); + L.restore_comments_state L.default_comments_state; + c with Exc_located (loc,e) -> + L.restore_comments_state L.default_comments_state; let loc' = Loc.get_loc (Exninfo.info e) in let loc = match loc' with None -> to_coqloc loc | Some loc -> loc in Loc.raise loc e + let with_parsable (p,state) f x = + L.restore_comments_state !state; + try + let a = f x in + state := L.comments_state (); + L.restore_comments_state L.default_comments_state; + a + with e -> + L.restore_comments_state L.default_comments_state; + raise e let entry_print ft x = Entry.print ft x let srules' = Gramext.srules @@ -202,12 +233,13 @@ module type GrammarSig = sig with module Loc = CompatLoc and type Token.t = Tok.t type 'a entry = 'a Entry.t type action = Action.t - type parsable - val parsable : char Stream.t -> parsable + type coq_parsable + val parsable : char Stream.t -> coq_parsable val action : 'a -> action val entry_create : string -> 'a entry - val entry_parse : 'a entry -> parsable -> 'a + val entry_parse : 'a entry -> coq_parsable -> 'a val entry_print : Format.formatter -> 'a entry -> unit + val with_parsable : coq_parsable -> ('a -> 'b) -> 'a -> 'b val srules' : production_rule list -> symbol end @@ -217,13 +249,31 @@ module GrammarMake (L:LexerSig) : GrammarSig = struct include Camlp4.Struct.Grammar.Static.Make (L) type 'a entry = 'a Entry.t type action = Action.t - type parsable = char Stream.t - let parsable s = s + type comments_state = int option * string * bool * ((int * int) * string) list + type coq_parsable = char Stream.t * L.comments_state ref + let parsable s = let state = ref L.default_comments_state in (s, state) let action = Action.mk let entry_create = Entry.mk - let entry_parse e s = - try parse e (*FIXME*)CompatLoc.ghost s - with Exc_located (loc,e) -> raise_coq_loc loc e + let entry_parse e (s,state) = + L.restore_comments_state !state; + try + let c = parse e (*FIXME*)CompatLoc.ghost s in + state := L.comments_state (); + L.restore_comments_state L.default_comments_state; + c + with Exc_located (loc,e) -> + L.restore_comments_state L.default_comments_state; + raise_coq_loc loc e + let with_parsable (p,state) f x = + L.restore_comments_state !state; + try + let a = f x in + state := L.comments_state (); + L.restore_comments_state L.default_comments_state; + a + with e -> + L.restore_comments_state L.default_comments_state; + raise e let entry_print ft x = Entry.print ft x let srules' = srules (entry_create "dummy") end diff --git a/toplevel/coqloop.ml b/toplevel/coqloop.ml index 69d68bd357..bdcfa8336d 100644 --- a/toplevel/coqloop.ml +++ b/toplevel/coqloop.ml @@ -23,7 +23,7 @@ type input_buffer = { mutable str : string; (* buffer of already read characters *) mutable len : int; (* number of chars in the buffer *) mutable bols : int list; (* offsets in str of beginning of lines *) - mutable tokens : Gram.parsable; (* stream of tokens *) + mutable tokens : Gram.coq_parsable; (* stream of tokens *) mutable start : int } (* stream count of the first char of the buffer *) (* Double the size of the buffer. *) @@ -274,10 +274,12 @@ let rec discard_to_dot () = | End_of_input -> raise End_of_input | e when CErrors.noncritical e -> () -let read_sentence () = +let read_eval_sentence () = try - let (loc, _ as r) = Vernac.parse_sentence (top_buffer.tokens, None) in - CWarnings.set_current_loc loc; r + let input = (top_buffer.tokens, None) in + let (loc, _ as r) = Vernac.parse_sentence input in + CWarnings.set_current_loc loc; + Vernac.eval_expr input r with reraise -> let reraise = CErrors.push reraise in discard_to_dot (); @@ -298,7 +300,7 @@ let do_vernac () = if !print_emacs then top_stderr (str (top_buffer.prompt())); resynch_buffer top_buffer; try - Vernac.eval_expr (read_sentence ()) + read_eval_sentence () with | End_of_input | CErrors.Quit -> top_stderr (fnl ()); raise CErrors.Quit diff --git a/toplevel/coqloop.mli b/toplevel/coqloop.mli index 00554da308..e40353e0f9 100644 --- a/toplevel/coqloop.mli +++ b/toplevel/coqloop.mli @@ -18,7 +18,7 @@ type input_buffer = { mutable str : string; (** buffer of already read characters *) mutable len : int; (** number of chars in the buffer *) mutable bols : int list; (** offsets in str of begining of lines *) - mutable tokens : Pcoq.Gram.parsable; (** stream of tokens *) + mutable tokens : Pcoq.Gram.coq_parsable; (** stream of tokens *) mutable start : int } (** stream count of the first char of the buffer *) (** The input buffer of stdin. *) diff --git a/toplevel/vernac.ml b/toplevel/vernac.ml index bdd834d52f..5db6042371 100644 --- a/toplevel/vernac.ml +++ b/toplevel/vernac.ml @@ -124,7 +124,7 @@ let set_formatter_translator() = Format.set_formatter_output_functions out (fun () -> flush ch); Format.set_max_boxes max_int -let pr_new_syntax loc ocom = +let pr_new_syntax_in_context loc ocom = let loc = Loc.unloc loc in if !beautify_file then set_formatter_translator(); let fs = States.freeze ~marshallable:`No in @@ -138,20 +138,20 @@ let pr_new_syntax loc ocom = States.unfreeze fs; Format.set_formatter_out_channel stdout +let pr_new_syntax (po,_) loc ocom = + (* Reinstall the context of parsing which includes the bindings of comments to locations *) + Pcoq.Gram.with_parsable po (pr_new_syntax_in_context loc) ocom + let save_translator_coqdoc () = (* translator state *) let ch = !chan_beautify in - let cl = !Pp.comments in - let cs = CLexer.com_state() in (* end translator state *) let coqdocstate = CLexer.location_table () in - ch,cl,cs,coqdocstate + ch,coqdocstate -let restore_translator_coqdoc (ch,cl,cs,coqdocstate) = +let restore_translator_coqdoc (ch,coqdocstate) = if !Flags.beautify_file then close_out !chan_beautify; chan_beautify := ch; - Pp.comments := cl; - CLexer.restore_com_state cs; CLexer.restore_location_table coqdocstate (* For coqtop -time, we display the position in the file, @@ -182,7 +182,7 @@ let print_cmd_header loc com = Pp.pp_with !Pp_control.std_ft (pp_cmd_header loc com); Format.pp_print_flush !Pp_control.std_ft () -let rec vernac_com checknav (loc,com) = +let rec vernac_com input checknav (loc,com) = let interp = function | VernacLoad (verbosely, fname) -> let fname = Envars.expand_path_macros ~warn:(fun x -> Feedback.msg_warning (str x)) fname in @@ -194,7 +194,6 @@ let rec vernac_com checknav (loc,com) = if !Flags.beautify_file then begin chan_beautify := open_out (f^beautify_suffix); - Pp.comments := [] end; begin try @@ -214,13 +213,11 @@ let rec vernac_com checknav (loc,com) = in try checknav loc com; - if do_beautify () then pr_new_syntax loc (Some com); + if do_beautify () then pr_new_syntax input loc (Some com); (* XXX: This is not 100% correct if called from an IDE context *) if !Flags.time then print_cmd_header loc com; let com = if !Flags.time then VernacTime (loc,com) else com in - let a = CLexer.com_state () in - interp com; - CLexer.restore_com_state a + interp com with reraise -> let (reraise, info) = CErrors.push reraise in Format.set_formatter_out_channel stdout; @@ -240,7 +237,7 @@ and read_vernac_file verbosely s = while true do let loc_ast = parse_sentence input in CWarnings.set_current_loc (fst loc_ast); - vernac_com checknav loc_ast; + vernac_com input checknav loc_ast; done with any -> (* whatever the exception *) let (e, info) = CErrors.push any in @@ -249,7 +246,7 @@ and read_vernac_file verbosely s = match e with | End_of_input -> if do_beautify () then - pr_new_syntax (Loc.make_loc (max_int,max_int)) None + pr_new_syntax input (Loc.make_loc (max_int,max_int)) None | reraise -> iraise (disable_drop e, info) @@ -264,7 +261,7 @@ let checknav loc ast = if is_deep_navigation_vernac ast then user_error loc "Navigation commands forbidden in nested commands" -let eval_expr loc_ast = vernac_com checknav loc_ast +let eval_expr input loc_ast = vernac_com input checknav loc_ast (* XML output hooks *) let (f_xml_start_library, xml_start_library) = Hook.make ~default:ignore () diff --git a/toplevel/vernac.mli b/toplevel/vernac.mli index 7bfddd9470..2fd86ddc22 100644 --- a/toplevel/vernac.mli +++ b/toplevel/vernac.mli @@ -11,7 +11,7 @@ (** Read a vernac command on the specified input (parse only). Raises [End_of_file] if EOF (or Ctrl-D) is reached. *) -val parse_sentence : Pcoq.Gram.parsable * in_channel option -> +val parse_sentence : Pcoq.Gram.coq_parsable * in_channel option -> Loc.t * Vernacexpr.vernac_expr (** Reads and executes vernac commands from a stream. @@ -21,7 +21,7 @@ exception End_of_input val just_parsing : bool ref -val eval_expr : Loc.t * Vernacexpr.vernac_expr -> unit +val eval_expr : Pcoq.Gram.coq_parsable * in_channel option -> Loc.t * Vernacexpr.vernac_expr -> unit (** Set XML hooks *) val xml_start_library : (unit -> unit) Hook.t |
