diff options
Diffstat (limited to 'ide/gtk_parsing.ml')
| -rw-r--r-- | ide/gtk_parsing.ml | 119 |
1 files changed, 6 insertions, 113 deletions
diff --git a/ide/gtk_parsing.ml b/ide/gtk_parsing.ml index f905053d..9f5c9924 100644 --- a/ide/gtk_parsing.ml +++ b/ide/gtk_parsing.ml @@ -1,17 +1,15 @@ (************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) (* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) (************************************************************************) let underscore = Glib.Utf8.to_unichar "_" ~pos:(ref 0) -let arobase = Glib.Utf8.to_unichar "@" ~pos:(ref 0) let prime = Glib.Utf8.to_unichar "'" ~pos:(ref 0) -let bn = Glib.Utf8.to_unichar "\n" ~pos:(ref 0) -let space = Glib.Utf8.to_unichar " " ~pos:(ref 0) -let tab = Glib.Utf8.to_unichar "\t" ~pos:(ref 0) (* TODO: avoid num and prime at the head of a word *) @@ -30,17 +28,6 @@ let ends_word (it:GText.iter) = not (is_word_char c) ) - -let inside_word (it:GText.iter) = - let c = it#char in - not (starts_word it) && - not (ends_word it) && - is_word_char c - - -let is_on_word_limit (it:GText.iter) = inside_word it || ends_word it - - let find_word_start (it:GText.iter) = let rec step_to_start it = Minilib.log "Find word start"; @@ -72,100 +59,6 @@ let get_word_around (it:GText.iter) = let stop = find_word_end it in start,stop - -let rec complete_backward w (it:GText.iter) = - Minilib.log "Complete backward..."; - match it#backward_search w with - | None -> (Minilib.log "backward_search failed";None) - | Some (start,stop) -> - Minilib.log ("complete_backward got a match:"^(string_of_int start#offset)^(string_of_int stop#offset)); - if starts_word start then - let ne = find_word_end stop in - if ne#compare stop = 0 - then complete_backward w start - else Some (start,stop,ne) - else complete_backward w start - - -let rec complete_forward w (it:GText.iter) = - Minilib.log "Complete forward..."; - match it#forward_search w with - | None -> None - | Some (start,stop) -> - if starts_word start then - let ne = find_word_end stop in - if ne#compare stop = 0 then - complete_forward w stop - else Some (stop,stop,ne) - else complete_forward w stop - - -let find_comment_end (start:GText.iter) = - let rec find_nested_comment (search_start:GText.iter) (search_end:GText.iter) (comment_end:GText.iter) = - match (search_start#forward_search ~limit:search_end "(*"),(comment_end#forward_search "*)") with - | None,_ -> comment_end - | Some _, None -> raise Not_found - | Some (_,next_search_start),Some (next_search_end,next_comment_end) -> - find_nested_comment next_search_start next_search_end next_comment_end - in - match start#forward_search "*)" with - | None -> raise Not_found - | Some (search_end,comment_end) -> find_nested_comment start search_end comment_end - - -let rec find_string_end (start:GText.iter) = - let dblquote = int_of_char '"' in - let rec escaped_dblquote c = - (c#char = dblquote) && not (escaped_dblquote c#backward_char) - in - match start#forward_search "\"" with - | None -> raise Not_found - | Some (stop,next_start) -> - if escaped_dblquote stop#backward_char - then find_string_end next_start - else next_start - - -let rec find_next_sentence (from:GText.iter) = - match (from#forward_search ".") with - | None -> raise Not_found - | Some (non_vernac_search_end,next_sentence) -> - match from#forward_search ~limit:non_vernac_search_end "(*",from#forward_search ~limit:non_vernac_search_end "\"" with - | None,None -> - if Glib.Unichar.isspace next_sentence#char || next_sentence#compare next_sentence#forward_char == 0 - then next_sentence else find_next_sentence next_sentence - | None,Some (_,string_search_start) -> find_next_sentence (find_string_end string_search_start) - | Some (_,comment_search_start),None -> find_next_sentence (find_comment_end comment_search_start) - | Some (_,comment_search_start),Some (_,string_search_start) -> - find_next_sentence ( - if comment_search_start#compare string_search_start < 0 - then find_comment_end comment_search_start - else find_string_end string_search_start) - - -let find_nearest_forward (cursor:GText.iter) targets = - let fold_targets acc target = - match cursor#forward_search target,acc with - | Some (t_start,_),Some nearest when (t_start#compare nearest < 0) -> Some t_start - | Some (t_start,_),None -> Some t_start - | _ -> acc - in - match List.fold_left fold_targets None targets with - | None -> raise Not_found - | Some nearest -> nearest - - -let find_nearest_backward (cursor:GText.iter) targets = - let fold_targets acc target = - match cursor#backward_search target,acc with - | Some (t_start,_),Some nearest when (t_start#compare nearest > 0) -> Some t_start - | Some (t_start,_),None -> Some t_start - | _ -> acc - in - match List.fold_left fold_targets None targets with - | None -> raise Not_found - | Some nearest -> nearest - (** On double-click on a view, select the whole word. This is a workaround for a deficient word handling in TextView. *) let fix_double_click self = |