Mercurial > vim
view src/insexpand.c @ 17055:f4de7ccdfd8c v8.1.1527
patch 8.1.1527: when moving popup window over the cmdline it is not redrawn
commit https://github.com/vim/vim/commit/a540f8aa3b2570f1d903b63413301ec3d48b27d5
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri Jun 14 19:23:57 2019 +0200
patch 8.1.1527: when moving popup window over the cmdline it is not redrawn
Problem: When moving a popup window over the command line it is not
redrawn.
Solution: Redraw the command line. Move popup redrawing code to the popupwin
file.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Fri, 14 Jun 2019 19:30:05 +0200 |
| parents | ce04ebdf26b8 |
| children | 77c3f6428b6c |
line wrap: on
line source
/* vi:set ts=8 sts=4 sw=4 noet: * * VIM - Vi IMproved by Bram Moolenaar * * Do ":help uganda" in Vim to read copying and usage conditions. * Do ":help credits" in Vim to see a list of people who contributed. * See README.txt for an overview of the Vim source code. */ /* * insexpand.c: functions for Insert mode completion */ #include "vim.h" #ifdef FEAT_INS_EXPAND /* * Definitions used for CTRL-X submode. * Note: If you change CTRL-X submode, you must also maintain ctrl_x_msgs[] and * ctrl_x_mode_names[] below. */ # define CTRL_X_WANT_IDENT 0x100 # define CTRL_X_NORMAL 0 /* CTRL-N CTRL-P completion, default */ # define CTRL_X_NOT_DEFINED_YET 1 # define CTRL_X_SCROLL 2 # define CTRL_X_WHOLE_LINE 3 # define CTRL_X_FILES 4 # define CTRL_X_TAGS (5 + CTRL_X_WANT_IDENT) # define CTRL_X_PATH_PATTERNS (6 + CTRL_X_WANT_IDENT) # define CTRL_X_PATH_DEFINES (7 + CTRL_X_WANT_IDENT) # define CTRL_X_FINISHED 8 # define CTRL_X_DICTIONARY (9 + CTRL_X_WANT_IDENT) # define CTRL_X_THESAURUS (10 + CTRL_X_WANT_IDENT) # define CTRL_X_CMDLINE 11 # define CTRL_X_FUNCTION 12 # define CTRL_X_OMNI 13 # define CTRL_X_SPELL 14 # define CTRL_X_LOCAL_MSG 15 /* only used in "ctrl_x_msgs" */ # define CTRL_X_EVAL 16 /* for builtin function complete() */ # define CTRL_X_MSG(i) ctrl_x_msgs[(i) & ~CTRL_X_WANT_IDENT] // Message for CTRL-X mode, index is ctrl_x_mode. static char *ctrl_x_msgs[] = { N_(" Keyword completion (^N^P)"), // CTRL_X_NORMAL, ^P/^N compl. N_(" ^X mode (^]^D^E^F^I^K^L^N^O^Ps^U^V^Y)"), NULL, // CTRL_X_SCROLL: depends on state N_(" Whole line completion (^L^N^P)"), N_(" File name completion (^F^N^P)"), N_(" Tag completion (^]^N^P)"), N_(" Path pattern completion (^N^P)"), N_(" Definition completion (^D^N^P)"), NULL, // CTRL_X_FINISHED N_(" Dictionary completion (^K^N^P)"), N_(" Thesaurus completion (^T^N^P)"), N_(" Command-line completion (^V^N^P)"), N_(" User defined completion (^U^N^P)"), N_(" Omni completion (^O^N^P)"), N_(" Spelling suggestion (s^N^P)"), N_(" Keyword Local completion (^N^P)"), NULL, // CTRL_X_EVAL doesn't use msg. }; static char *ctrl_x_mode_names[] = { "keyword", "ctrl_x", "unknown", // CTRL_X_SCROLL "whole_line", "files", "tags", "path_patterns", "path_defines", "unknown", // CTRL_X_FINISHED "dictionary", "thesaurus", "cmdline", "function", "omni", "spell", NULL, // CTRL_X_LOCAL_MSG only used in "ctrl_x_msgs" "eval" }; /* * Array indexes used for cp_text[]. */ #define CPT_ABBR 0 // "abbr" #define CPT_MENU 1 // "menu" #define CPT_KIND 2 // "kind" #define CPT_INFO 3 // "info" #define CPT_USER_DATA 4 // "user data" #define CPT_COUNT 5 // Number of entries /* * Structure used to store one match for insert completion. */ typedef struct compl_S compl_T; struct compl_S { compl_T *cp_next; compl_T *cp_prev; char_u *cp_str; // matched text char_u *(cp_text[CPT_COUNT]); // text for the menu char_u *cp_fname; // file containing the match, allocated when // cp_flags has CP_FREE_FNAME int cp_flags; // CP_ values int cp_number; // sequence number }; // values for cp_flags # define CP_ORIGINAL_TEXT 1 // the original text when the expansion begun # define CP_FREE_FNAME 2 // cp_fname is allocated # define CP_CONT_S_IPOS 4 // use CONT_S_IPOS for compl_cont_status # define CP_EQUAL 8 // ins_compl_equal() always returns TRUE # define CP_ICASE 16 // ins_compl_equal() ignores case static char e_hitend[] = N_("Hit end of paragraph"); # ifdef FEAT_COMPL_FUNC static char e_complwin[] = N_("E839: Completion function changed window"); static char e_compldel[] = N_("E840: Completion function deleted text"); # endif /* * All the current matches are stored in a list. * "compl_first_match" points to the start of the list. * "compl_curr_match" points to the currently selected entry. * "compl_shown_match" is different from compl_curr_match during * ins_compl_get_exp(). */ static compl_T *compl_first_match = NULL; static compl_T *compl_curr_match = NULL; static compl_T *compl_shown_match = NULL; static compl_T *compl_old_match = NULL; // After using a cursor key <Enter> selects a match in the popup menu, // otherwise it inserts a line break. static int compl_enter_selects = FALSE; // When "compl_leader" is not NULL only matches that start with this string // are used. static char_u *compl_leader = NULL; static int compl_get_longest = FALSE; // put longest common string // in compl_leader static int compl_no_insert = FALSE; // FALSE: select & insert // TRUE: noinsert static int compl_no_select = FALSE; // FALSE: select & insert // TRUE: noselect // Selected one of the matches. When FALSE the match was edited or using the // longest common string. static int compl_used_match; // didn't finish finding completions. static int compl_was_interrupted = FALSE; // Set when character typed while looking for matches and it means we should // stop looking for matches. static int compl_interrupted = FALSE; static int compl_restarting = FALSE; // don't insert match // When the first completion is done "compl_started" is set. When it's // FALSE the word to be completed must be located. static int compl_started = FALSE; // Which Ctrl-X mode are we in? static int ctrl_x_mode = CTRL_X_NORMAL; static int compl_matches = 0; static char_u *compl_pattern = NULL; static int compl_direction = FORWARD; static int compl_shows_dir = FORWARD; static int compl_pending = 0; // > 1 for postponed CTRL-N static pos_T compl_startpos; static colnr_T compl_col = 0; // column where the text starts // that is being completed static char_u *compl_orig_text = NULL; // text as it was before // completion started static int compl_cont_mode = 0; static expand_T compl_xp; static int compl_opt_refresh_always = FALSE; static int compl_opt_suppress_empty = FALSE; static int ins_compl_add(char_u *str, int len, char_u *fname, char_u **cptext, int cdir, int flags, int adup); static void ins_compl_longest_match(compl_T *match); static void ins_compl_del_pum(void); static void ins_compl_files(int count, char_u **files, int thesaurus, int flags, regmatch_T *regmatch, char_u *buf, int *dir); static char_u *find_line_end(char_u *ptr); static void ins_compl_free(void); static char_u *ins_compl_mode(void); static int ins_compl_need_restart(void); static void ins_compl_new_leader(void); static int ins_compl_len(void); static void ins_compl_restart(void); static void ins_compl_set_original_text(char_u *str); static void ins_compl_fixRedoBufForLeader(char_u *ptr_arg); # if defined(FEAT_COMPL_FUNC) || defined(FEAT_EVAL) static void ins_compl_add_list(list_T *list); static void ins_compl_add_dict(dict_T *dict); # endif static dict_T *ins_compl_dict_alloc(compl_T *match); static int ins_compl_key2dir(int c); static int ins_compl_pum_key(int c); static int ins_compl_key2count(int c); static void show_pum(int prev_w_wrow, int prev_w_leftcol); static unsigned quote_meta(char_u *dest, char_u *str, int len); #endif // FEAT_INS_EXPAND #ifdef FEAT_SPELL static void spell_back_to_badword(void); static int spell_bad_len = 0; // length of located bad word #endif #if defined(FEAT_INS_EXPAND) || defined(PROTO) /* * CTRL-X pressed in Insert mode. */ void ins_ctrl_x(void) { // CTRL-X after CTRL-X CTRL-V doesn't do anything, so that CTRL-X // CTRL-V works like CTRL-N if (ctrl_x_mode != CTRL_X_CMDLINE) { // if the next ^X<> won't ADD nothing, then reset // compl_cont_status if (compl_cont_status & CONT_N_ADDS) compl_cont_status |= CONT_INTRPT; else compl_cont_status = 0; // We're not sure which CTRL-X mode it will be yet ctrl_x_mode = CTRL_X_NOT_DEFINED_YET; edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode)); edit_submode_pre = NULL; showmode(); } } /* * Functions to check the current CTRL-X mode. */ int ctrl_x_mode_none(void) { return ctrl_x_mode == 0; } int ctrl_x_mode_normal(void) { return ctrl_x_mode == CTRL_X_NORMAL; } int ctrl_x_mode_scroll(void) { return ctrl_x_mode == CTRL_X_SCROLL; } int ctrl_x_mode_whole_line(void) { return ctrl_x_mode == CTRL_X_WHOLE_LINE; } int ctrl_x_mode_files(void) { return ctrl_x_mode == CTRL_X_FILES; } int ctrl_x_mode_tags(void) { return ctrl_x_mode == CTRL_X_TAGS; } int ctrl_x_mode_path_patterns(void) { return ctrl_x_mode == CTRL_X_PATH_PATTERNS; } int ctrl_x_mode_path_defines(void) { return ctrl_x_mode == CTRL_X_PATH_DEFINES; } int ctrl_x_mode_dictionary(void) { return ctrl_x_mode == CTRL_X_DICTIONARY; } int ctrl_x_mode_thesaurus(void) { return ctrl_x_mode == CTRL_X_THESAURUS; } int ctrl_x_mode_cmdline(void) { return ctrl_x_mode == CTRL_X_CMDLINE; } int ctrl_x_mode_function(void) { return ctrl_x_mode == CTRL_X_FUNCTION; } int ctrl_x_mode_omni(void) { return ctrl_x_mode == CTRL_X_OMNI; } int ctrl_x_mode_spell(void) { return ctrl_x_mode == CTRL_X_SPELL; } int ctrl_x_mode_line_or_eval(void) { return ctrl_x_mode == CTRL_X_WHOLE_LINE || ctrl_x_mode == CTRL_X_EVAL; } /* * Whether other than default completion has been selected. */ int ctrl_x_mode_not_default(void) { return ctrl_x_mode != CTRL_X_NORMAL; } /* * Whether CTRL-X was typed without a following character. */ int ctrl_x_mode_not_defined_yet(void) { return ctrl_x_mode == CTRL_X_NOT_DEFINED_YET; } /* * Return TRUE if the 'dict' or 'tsr' option can be used. */ int has_compl_option(int dict_opt) { if (dict_opt ? (*curbuf->b_p_dict == NUL && *p_dict == NUL # ifdef FEAT_SPELL && !curwin->w_p_spell # endif ) : (*curbuf->b_p_tsr == NUL && *p_tsr == NUL)) { ctrl_x_mode = CTRL_X_NORMAL; edit_submode = NULL; msg_attr(dict_opt ? _("'dictionary' option is empty") : _("'thesaurus' option is empty"), HL_ATTR(HLF_E)); if (emsg_silent == 0) { vim_beep(BO_COMPL); setcursor(); out_flush(); #ifdef FEAT_EVAL if (!get_vim_var_nr(VV_TESTING)) #endif ui_delay(2000L, FALSE); } return FALSE; } return TRUE; } /* * Is the character 'c' a valid key to go to or keep us in CTRL-X mode? * This depends on the current mode. */ int vim_is_ctrl_x_key(int c) { // Always allow ^R - let its results then be checked if (c == Ctrl_R) return TRUE; // Accept <PageUp> and <PageDown> if the popup menu is visible. if (ins_compl_pum_key(c)) return TRUE; switch (ctrl_x_mode) { case 0: // Not in any CTRL-X mode return (c == Ctrl_N || c == Ctrl_P || c == Ctrl_X); case CTRL_X_NOT_DEFINED_YET: return ( c == Ctrl_X || c == Ctrl_Y || c == Ctrl_E || c == Ctrl_L || c == Ctrl_F || c == Ctrl_RSB || c == Ctrl_I || c == Ctrl_D || c == Ctrl_P || c == Ctrl_N || c == Ctrl_T || c == Ctrl_V || c == Ctrl_Q || c == Ctrl_U || c == Ctrl_O || c == Ctrl_S || c == Ctrl_K || c == 's'); case CTRL_X_SCROLL: return (c == Ctrl_Y || c == Ctrl_E); case CTRL_X_WHOLE_LINE: return (c == Ctrl_L || c == Ctrl_P || c == Ctrl_N); case CTRL_X_FILES: return (c == Ctrl_F || c == Ctrl_P || c == Ctrl_N); case CTRL_X_DICTIONARY: return (c == Ctrl_K || c == Ctrl_P || c == Ctrl_N); case CTRL_X_THESAURUS: return (c == Ctrl_T || c == Ctrl_P || c == Ctrl_N); case CTRL_X_TAGS: return (c == Ctrl_RSB || c == Ctrl_P || c == Ctrl_N); #ifdef FEAT_FIND_ID case CTRL_X_PATH_PATTERNS: return (c == Ctrl_P || c == Ctrl_N); case CTRL_X_PATH_DEFINES: return (c == Ctrl_D || c == Ctrl_P || c == Ctrl_N); #endif case CTRL_X_CMDLINE: return (c == Ctrl_V || c == Ctrl_Q || c == Ctrl_P || c == Ctrl_N || c == Ctrl_X); #ifdef FEAT_COMPL_FUNC case CTRL_X_FUNCTION: return (c == Ctrl_U || c == Ctrl_P || c == Ctrl_N); case CTRL_X_OMNI: return (c == Ctrl_O || c == Ctrl_P || c == Ctrl_N); #endif case CTRL_X_SPELL: return (c == Ctrl_S || c == Ctrl_P || c == Ctrl_N); case CTRL_X_EVAL: return (c == Ctrl_P || c == Ctrl_N); } internal_error("vim_is_ctrl_x_key()"); return FALSE; } /* * Return TRUE when character "c" is part of the item currently being * completed. Used to decide whether to abandon complete mode when the menu * is visible. */ int ins_compl_accept_char(int c) { if (ctrl_x_mode & CTRL_X_WANT_IDENT) // When expanding an identifier only accept identifier chars. return vim_isIDc(c); switch (ctrl_x_mode) { case CTRL_X_FILES: // When expanding file name only accept file name chars. But not // path separators, so that "proto/<Tab>" expands files in // "proto", not "proto/" as a whole return vim_isfilec(c) && !vim_ispathsep(c); case CTRL_X_CMDLINE: case CTRL_X_OMNI: // Command line and Omni completion can work with just about any // printable character, but do stop at white space. return vim_isprintc(c) && !VIM_ISWHITE(c); case CTRL_X_WHOLE_LINE: // For while line completion a space can be part of the line. return vim_isprintc(c); } return vim_iswordc(c); } /* * This is like ins_compl_add(), but if 'ic' and 'inf' are set, then the * case of the originally typed text is used, and the case of the completed * text is inferred, ie this tries to work out what case you probably wanted * the rest of the word to be in -- webb */ int ins_compl_add_infercase( char_u *str_arg, int len, int icase, char_u *fname, int dir, int cont_s_ipos) // next ^X<> will set initial_pos { char_u *str = str_arg; char_u *p; int i, c; int actual_len; // Take multi-byte characters int actual_compl_length; // into account. int min_len; int *wca; // Wide character array. int has_lower = FALSE; int was_letter = FALSE; int flags = 0; if (p_ic && curbuf->b_p_inf && len > 0) { // Infer case of completed part. // Find actual length of completion. if (has_mbyte) { p = str; actual_len = 0; while (*p != NUL) { MB_PTR_ADV(p); ++actual_len; } } else actual_len = len; // Find actual length of original text. if (has_mbyte) { p = compl_orig_text; actual_compl_length = 0; while (*p != NUL) { MB_PTR_ADV(p); ++actual_compl_length; } } else actual_compl_length = compl_length; // "actual_len" may be smaller than "actual_compl_length" when using // thesaurus, only use the minimum when comparing. min_len = actual_len < actual_compl_length ? actual_len : actual_compl_length; // Allocate wide character array for the completion and fill it. wca = ALLOC_MULT(int, actual_len); if (wca != NULL) { p = str; for (i = 0; i < actual_len; ++i) if (has_mbyte) wca[i] = mb_ptr2char_adv(&p); else wca[i] = *(p++); // Rule 1: Were any chars converted to lower? p = compl_orig_text; for (i = 0; i < min_len; ++i) { if (has_mbyte) c = mb_ptr2char_adv(&p); else c = *(p++); if (MB_ISLOWER(c)) { has_lower = TRUE; if (MB_ISUPPER(wca[i])) { // Rule 1 is satisfied. for (i = actual_compl_length; i < actual_len; ++i) wca[i] = MB_TOLOWER(wca[i]); break; } } } // Rule 2: No lower case, 2nd consecutive letter converted to // upper case. if (!has_lower) { p = compl_orig_text; for (i = 0; i < min_len; ++i) { if (has_mbyte) c = mb_ptr2char_adv(&p); else c = *(p++); if (was_letter && MB_ISUPPER(c) && MB_ISLOWER(wca[i])) { // Rule 2 is satisfied. for (i = actual_compl_length; i < actual_len; ++i) wca[i] = MB_TOUPPER(wca[i]); break; } was_letter = MB_ISLOWER(c) || MB_ISUPPER(c); } } // Copy the original case of the part we typed. p = compl_orig_text; for (i = 0; i < min_len; ++i) { if (has_mbyte) c = mb_ptr2char_adv(&p); else c = *(p++); if (MB_ISLOWER(c)) wca[i] = MB_TOLOWER(wca[i]); else if (MB_ISUPPER(c)) wca[i] = MB_TOUPPER(wca[i]); } // Generate encoding specific output from wide character array. // Multi-byte characters can occupy up to five bytes more than // ASCII characters, and we also need one byte for NUL, so stay // six bytes away from the edge of IObuff. p = IObuff; i = 0; while (i < actual_len && (p - IObuff + 6) < IOSIZE) if (has_mbyte) p += (*mb_char2bytes)(wca[i++], p); else *(p++) = wca[i++]; *p = NUL; vim_free(wca); } str = IObuff; } if (cont_s_ipos) flags |= CP_CONT_S_IPOS; if (icase) flags |= CP_ICASE; return ins_compl_add(str, len, fname, NULL, dir, flags, FALSE); } /* * Add a match to the list of matches. * If the given string is already in the list of completions, then return * NOTDONE, otherwise add it to the list and return OK. If there is an error, * maybe because alloc() returns NULL, then FAIL is returned. */ static int ins_compl_add( char_u *str, int len, char_u *fname, char_u **cptext, // extra text for popup menu or NULL int cdir, int flags_arg, int adup) // accept duplicate match { compl_T *match; int dir = (cdir == 0 ? compl_direction : cdir); int flags = flags_arg; ui_breakcheck(); if (got_int) return FAIL; if (len < 0) len = (int)STRLEN(str); // If the same match is already present, don't add it. if (compl_first_match != NULL && !adup) { match = compl_first_match; do { if ( !(match->cp_flags & CP_ORIGINAL_TEXT) && STRNCMP(match->cp_str, str, len) == 0 && match->cp_str[len] == NUL) return NOTDONE; match = match->cp_next; } while (match != NULL && match != compl_first_match); } // Remove any popup menu before changing the list of matches. ins_compl_del_pum(); // Allocate a new match structure. // Copy the values to the new match structure. match = ALLOC_CLEAR_ONE(compl_T); if (match == NULL) return FAIL; match->cp_number = -1; if (flags & CP_ORIGINAL_TEXT) match->cp_number = 0; if ((match->cp_str = vim_strnsave(str, len)) == NULL) { vim_free(match); return FAIL; } // match-fname is: // - compl_curr_match->cp_fname if it is a string equal to fname. // - a copy of fname, CP_FREE_FNAME is set to free later THE allocated mem. // - NULL otherwise. --Acevedo if (fname != NULL && compl_curr_match != NULL && compl_curr_match->cp_fname != NULL && STRCMP(fname, compl_curr_match->cp_fname) == 0) match->cp_fname = compl_curr_match->cp_fname; else if (fname != NULL) { match->cp_fname = vim_strsave(fname); flags |= CP_FREE_FNAME; } else match->cp_fname = NULL; match->cp_flags = flags; if (cptext != NULL) { int i; for (i = 0; i < CPT_COUNT; ++i) if (cptext[i] != NULL && *cptext[i] != NUL) match->cp_text[i] = vim_strsave(cptext[i]); } // Link the new match structure in the list of matches. if (compl_first_match == NULL) match->cp_next = match->cp_prev = NULL; else if (dir == FORWARD) { match->cp_next = compl_curr_match->cp_next; match->cp_prev = compl_curr_match; } else // BACKWARD { match->cp_next = compl_curr_match; match->cp_prev = compl_curr_match->cp_prev; } if (match->cp_next) match->cp_next->cp_prev = match; if (match->cp_prev) match->cp_prev->cp_next = match; else // if there's nothing before, it is the first match compl_first_match = match; compl_curr_match = match; // Find the longest common string if still doing that. if (compl_get_longest && (flags & CP_ORIGINAL_TEXT) == 0) ins_compl_longest_match(match); return OK; } /* * Return TRUE if "str[len]" matches with match->cp_str, considering * match->cp_flags. */ static int ins_compl_equal(compl_T *match, char_u *str, int len) { if (match->cp_flags & CP_EQUAL) return TRUE; if (match->cp_flags & CP_ICASE) return STRNICMP(match->cp_str, str, (size_t)len) == 0; return STRNCMP(match->cp_str, str, (size_t)len) == 0; } /* * Reduce the longest common string for match "match". */ static void ins_compl_longest_match(compl_T *match) { char_u *p, *s; int c1, c2; int had_match; if (compl_leader == NULL) { // First match, use it as a whole. compl_leader = vim_strsave(match->cp_str); if (compl_leader != NULL) { had_match = (curwin->w_cursor.col > compl_col); ins_compl_delete(); ins_bytes(compl_leader + ins_compl_len()); ins_redraw(FALSE); // When the match isn't there (to avoid matching itself) remove it // again after redrawing. if (!had_match) ins_compl_delete(); compl_used_match = FALSE; } } else { // Reduce the text if this match differs from compl_leader. p = compl_leader; s = match->cp_str; while (*p != NUL) { if (has_mbyte) { c1 = mb_ptr2char(p); c2 = mb_ptr2char(s); } else { c1 = *p; c2 = *s; } if ((match->cp_flags & CP_ICASE) ? (MB_TOLOWER(c1) != MB_TOLOWER(c2)) : (c1 != c2)) break; if (has_mbyte) { MB_PTR_ADV(p); MB_PTR_ADV(s); } else { ++p; ++s; } } if (*p != NUL) { // Leader was shortened, need to change the inserted text. *p = NUL; had_match = (curwin->w_cursor.col > compl_col); ins_compl_delete(); ins_bytes(compl_leader + ins_compl_len()); ins_redraw(FALSE); // When the match isn't there (to avoid matching itself) remove it // again after redrawing. if (!had_match) ins_compl_delete(); } compl_used_match = FALSE; } } /* * Add an array of matches to the list of matches. * Frees matches[]. */ static void ins_compl_add_matches( int num_matches, char_u **matches, int icase) { int i; int add_r = OK; int dir = compl_direction; for (i = 0; i < num_matches && add_r != FAIL; i++) if ((add_r = ins_compl_add(matches[i], -1, NULL, NULL, dir, icase ? CP_ICASE : 0, FALSE)) == OK) // if dir was BACKWARD then honor it just once dir = FORWARD; FreeWild(num_matches, matches); } /* * Make the completion list cyclic. * Return the number of matches (excluding the original). */ static int ins_compl_make_cyclic(void) { compl_T *match; int count = 0; if (compl_first_match != NULL) { // Find the end of the list. match = compl_first_match; // there's always an entry for the compl_orig_text, it doesn't count. while (match->cp_next != NULL && match->cp_next != compl_first_match) { match = match->cp_next; ++count; } match->cp_next = compl_first_match; compl_first_match->cp_prev = match; } return count; } /* * Return whether there currently is a shown match. */ int ins_compl_has_shown_match(void) { return compl_shown_match == NULL || compl_shown_match != compl_shown_match->cp_next; } /* * Return whether the shown match is long enough. */ int ins_compl_long_shown_match(void) { return (int)STRLEN(compl_shown_match->cp_str) > curwin->w_cursor.col - compl_col; } /* * Set variables that store noselect and noinsert behavior from the * 'completeopt' value. */ void completeopt_was_set(void) { compl_no_insert = FALSE; compl_no_select = FALSE; if (strstr((char *)p_cot, "noselect") != NULL) compl_no_select = TRUE; if (strstr((char *)p_cot, "noinsert") != NULL) compl_no_insert = TRUE; } /* * Start completion for the complete() function. * "startcol" is where the matched text starts (1 is first column). * "list" is the list of matches. */ void set_completion(colnr_T startcol, list_T *list) { int save_w_wrow = curwin->w_wrow; int save_w_leftcol = curwin->w_leftcol; int flags = CP_ORIGINAL_TEXT; // If already doing completions stop it. if (ctrl_x_mode != CTRL_X_NORMAL) ins_compl_prep(' '); ins_compl_clear(); ins_compl_free(); compl_direction = FORWARD; if (startcol > curwin->w_cursor.col) startcol = curwin->w_cursor.col; compl_col = startcol; compl_length = (int)curwin->w_cursor.col - (int)startcol; // compl_pattern doesn't need to be set compl_orig_text = vim_strnsave(ml_get_curline() + compl_col, compl_length); if (p_ic) flags |= CP_ICASE; if (compl_orig_text == NULL || ins_compl_add(compl_orig_text, -1, NULL, NULL, 0, flags, FALSE) != OK) return; ctrl_x_mode = CTRL_X_EVAL; ins_compl_add_list(list); compl_matches = ins_compl_make_cyclic(); compl_started = TRUE; compl_used_match = TRUE; compl_cont_status = 0; compl_curr_match = compl_first_match; if (compl_no_insert || compl_no_select) { ins_complete(K_DOWN, FALSE); if (compl_no_select) // Down/Up has no real effect. ins_complete(K_UP, FALSE); } else ins_complete(Ctrl_N, FALSE); compl_enter_selects = compl_no_insert; // Lazily show the popup menu, unless we got interrupted. if (!compl_interrupted) show_pum(save_w_wrow, save_w_leftcol); out_flush(); } // "compl_match_array" points the currently displayed list of entries in the // popup menu. It is NULL when there is no popup menu. static pumitem_T *compl_match_array = NULL; static int compl_match_arraysize; /* * Update the screen and when there is any scrolling remove the popup menu. */ static void ins_compl_upd_pum(void) { int h; if (compl_match_array != NULL) { h = curwin->w_cline_height; // Update the screen later, before drawing the popup menu over it. pum_call_update_screen(); if (h != curwin->w_cline_height) ins_compl_del_pum(); } } /* * Remove any popup menu. */ static void ins_compl_del_pum(void) { if (compl_match_array != NULL) { pum_undisplay(); VIM_CLEAR(compl_match_array); } } /* * Return TRUE if the popup menu should be displayed. */ int pum_wanted(void) { // 'completeopt' must contain "menu" or "menuone" if (vim_strchr(p_cot, 'm') == NULL) return FALSE; // The display looks bad on a B&W display. if (t_colors < 8 #ifdef FEAT_GUI && !gui.in_use #endif ) return FALSE; return TRUE; } /* * Return TRUE if there are two or more matches to be shown in the popup menu. * One if 'completopt' contains "menuone". */ static int pum_enough_matches(void) { compl_T *compl; int i; // Don't display the popup menu if there are no matches or there is only // one (ignoring the original text). compl = compl_first_match; i = 0; do { if (compl == NULL || ((compl->cp_flags & CP_ORIGINAL_TEXT) == 0 && ++i == 2)) break; compl = compl->cp_next; } while (compl != compl_first_match); if (strstr((char *)p_cot, "menuone") != NULL) return (i >= 1); return (i >= 2); } static void trigger_complete_changed_event(int cur) { dict_T *v_event; dict_T *item; static int recursive = FALSE; if (recursive) return; v_event = get_vim_var_dict(VV_EVENT); if (cur < 0) item = dict_alloc(); else item = ins_compl_dict_alloc(compl_curr_match); if (item == NULL) return; dict_add_dict(v_event, "completed_item", item); pum_set_event_info(v_event); dict_set_items_ro(v_event); recursive = TRUE; textlock++; apply_autocmds(EVENT_COMPLETECHANGED, NULL, NULL, FALSE, curbuf); textlock--; recursive = FALSE; dict_free_contents(v_event); hash_init(&v_event->dv_hashtab); } /* * Show the popup menu for the list of matches. * Also adjusts "compl_shown_match" to an entry that is actually displayed. */ void ins_compl_show_pum(void) { compl_T *compl; compl_T *shown_compl = NULL; int did_find_shown_match = FALSE; int shown_match_ok = FALSE; int i; int cur = -1; colnr_T col; int lead_len = 0; if (!pum_wanted() || !pum_enough_matches()) return; #if defined(FEAT_EVAL) // Dirty hard-coded hack: remove any matchparen highlighting. do_cmdline_cmd((char_u *)"if exists('g:loaded_matchparen')|3match none|endif"); #endif // Update the screen later, before drawing the popup menu over it. pum_call_update_screen(); if (compl_match_array == NULL) { // Need to build the popup menu list. compl_match_arraysize = 0; compl = compl_first_match; if (compl_leader != NULL) lead_len = (int)STRLEN(compl_leader); do { if ((compl->cp_flags & CP_ORIGINAL_TEXT) == 0 && (compl_leader == NULL || ins_compl_equal(compl, compl_leader, lead_len))) ++compl_match_arraysize; compl = compl->cp_next; } while (compl != NULL && compl != compl_first_match); if (compl_match_arraysize == 0) return; compl_match_array = ALLOC_CLEAR_MULT(pumitem_T, compl_match_arraysize); if (compl_match_array != NULL) { // If the current match is the original text don't find the first // match after it, don't highlight anything. if (compl_shown_match->cp_flags & CP_ORIGINAL_TEXT) shown_match_ok = TRUE; i = 0; compl = compl_first_match; do { if ((compl->cp_flags & CP_ORIGINAL_TEXT) == 0 && (compl_leader == NULL || ins_compl_equal(compl, compl_leader, lead_len))) { if (!shown_match_ok) { if (compl == compl_shown_match || did_find_shown_match) { // This item is the shown match or this is the // first displayed item after the shown match. compl_shown_match = compl; did_find_shown_match = TRUE; shown_match_ok = TRUE; } else // Remember this displayed match for when the // shown match is just below it. shown_compl = compl; cur = i; } if (compl->cp_text[CPT_ABBR] != NULL) compl_match_array[i].pum_text = compl->cp_text[CPT_ABBR]; else compl_match_array[i].pum_text = compl->cp_str; compl_match_array[i].pum_kind = compl->cp_text[CPT_KIND]; compl_match_array[i].pum_info = compl->cp_text[CPT_INFO]; if (compl->cp_text[CPT_MENU] != NULL) compl_match_array[i++].pum_extra = compl->cp_text[CPT_MENU]; else compl_match_array[i++].pum_extra = compl->cp_fname; } if (compl == compl_shown_match) { did_find_shown_match = TRUE; // When the original text is the shown match don't set // compl_shown_match. if (compl->cp_flags & CP_ORIGINAL_TEXT) shown_match_ok = TRUE; if (!shown_match_ok && shown_compl != NULL) { // The shown match isn't displayed, set it to the // previously displayed match. compl_shown_match = shown_compl; shown_match_ok = TRUE; } } compl = compl->cp_next; } while (compl != NULL && compl != compl_first_match); if (!shown_match_ok) // no displayed match at all cur = -1; } } else { // popup menu already exists, only need to find the current item. for (i = 0; i < compl_match_arraysize; ++i) if (compl_match_array[i].pum_text == compl_shown_match->cp_str || compl_match_array[i].pum_text == compl_shown_match->cp_text[CPT_ABBR]) { cur = i; break; } } if (compl_match_array != NULL) { // In Replace mode when a $ is displayed at the end of the line only // part of the screen would be updated. We do need to redraw here. dollar_vcol = -1; // Compute the screen column of the start of the completed text. // Use the cursor to get all wrapping and other settings right. col = curwin->w_cursor.col; curwin->w_cursor.col = compl_col; pum_display(compl_match_array, compl_match_arraysize, cur); curwin->w_cursor.col = col; if (has_completechanged()) trigger_complete_changed_event(cur); } } #define DICT_FIRST (1) // use just first element in "dict" #define DICT_EXACT (2) // "dict" is the exact name of a file /* * Add any identifiers that match the given pattern in the list of dictionary * files "dict_start" to the list of completions. */ static void ins_compl_dictionaries( char_u *dict_start, char_u *pat, int flags, // DICT_FIRST and/or DICT_EXACT int thesaurus) // Thesaurus completion { char_u *dict = dict_start; char_u *ptr; char_u *buf; regmatch_T regmatch; char_u **files; int count; int save_p_scs; int dir = compl_direction; if (*dict == NUL) { #ifdef FEAT_SPELL // When 'dictionary' is empty and spell checking is enabled use // "spell". if (!thesaurus && curwin->w_p_spell) dict = (char_u *)"spell"; else #endif return; } buf = alloc(LSIZE); if (buf == NULL) return; regmatch.regprog = NULL; // so that we can goto theend // If 'infercase' is set, don't use 'smartcase' here save_p_scs = p_scs; if (curbuf->b_p_inf) p_scs = FALSE; // When invoked to match whole lines for CTRL-X CTRL-L adjust the pattern // to only match at the start of a line. Otherwise just match the // pattern. Also need to double backslashes. if (ctrl_x_mode_line_or_eval()) { char_u *pat_esc = vim_strsave_escaped(pat, (char_u *)"\\"); size_t len; if (pat_esc == NULL) goto theend; len = STRLEN(pat_esc) + 10; ptr = alloc(len); if (ptr == NULL) { vim_free(pat_esc); goto theend; } vim_snprintf((char *)ptr, len, "^\\s*\\zs\\V%s", pat_esc); regmatch.regprog = vim_regcomp(ptr, RE_MAGIC); vim_free(pat_esc); vim_free(ptr); } else { regmatch.regprog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0); if (regmatch.regprog == NULL) goto theend; } // ignore case depends on 'ignorecase', 'smartcase' and "pat" regmatch.rm_ic = ignorecase(pat); while (*dict != NUL && !got_int && !compl_interrupted) { // copy one dictionary file name into buf if (flags == DICT_EXACT) { count = 1; files = &dict; } else { // Expand wildcards in the dictionary name, but do not allow // backticks (for security, the 'dict' option may have been set in // a modeline). copy_option_part(&dict, buf, LSIZE, ","); # ifdef FEAT_SPELL if (!thesaurus && STRCMP(buf, "spell") == 0) count = -1; else # endif if (vim_strchr(buf, '`') != NULL || expand_wildcards(1, &buf, &count, &files, EW_FILE|EW_SILENT) != OK) count = 0; } # ifdef FEAT_SPELL if (count == -1) { // Complete from active spelling. Skip "\<" in the pattern, we // don't use it as a RE. if (pat[0] == '\\' && pat[1] == '<') ptr = pat + 2; else ptr = pat; spell_dump_compl(ptr, regmatch.rm_ic, &dir, 0); } else # endif if (count > 0) // avoid warning for using "files" uninit { ins_compl_files(count, files, thesaurus, flags, ®match, buf, &dir); if (flags != DICT_EXACT) FreeWild(count, files); } if (flags != 0) break; } theend: p_scs = save_p_scs; vim_regfree(regmatch.regprog); vim_free(buf); } static void ins_compl_files( int count, char_u **files, int thesaurus, int flags, regmatch_T *regmatch, char_u *buf, int *dir) { char_u *ptr; int i; FILE *fp; int add_r; for (i = 0; i < count && !got_int && !compl_interrupted; i++) { fp = mch_fopen((char *)files[i], "r"); // open dictionary file if (flags != DICT_EXACT) { vim_snprintf((char *)IObuff, IOSIZE, _("Scanning dictionary: %s"), (char *)files[i]); (void)msg_trunc_attr((char *)IObuff, TRUE, HL_ATTR(HLF_R)); } if (fp != NULL) { // Read dictionary file line by line. // Check each line for a match. while (!got_int && !compl_interrupted && !vim_fgets(buf, LSIZE, fp)) { ptr = buf; while (vim_regexec(regmatch, buf, (colnr_T)(ptr - buf))) { ptr = regmatch->startp[0]; if (ctrl_x_mode_line_or_eval()) ptr = find_line_end(ptr); else ptr = find_word_end(ptr); add_r = ins_compl_add_infercase(regmatch->startp[0], (int)(ptr - regmatch->startp[0]), p_ic, files[i], *dir, FALSE); if (thesaurus) { char_u *wstart; // Add the other matches on the line ptr = buf; while (!got_int) { // Find start of the next word. Skip white // space and punctuation. ptr = find_word_start(ptr); if (*ptr == NUL || *ptr == NL) break; wstart = ptr; // Find end of the word. if (has_mbyte) // Japanese words may have characters in // different classes, only separate words // with single-byte non-word characters. while (*ptr != NUL) { int l = (*mb_ptr2len)(ptr); if (l < 2 && !vim_iswordc(*ptr)) break; ptr += l; } else ptr = find_word_end(ptr); // Add the word. Skip the regexp match. if (wstart != regmatch->startp[0]) add_r = ins_compl_add_infercase(wstart, (int)(ptr - wstart), p_ic, files[i], *dir, FALSE); } } if (add_r == OK) // if dir was BACKWARD then honor it just once *dir = FORWARD; else if (add_r == FAIL) break; // avoid expensive call to vim_regexec() when at end // of line if (*ptr == '\n' || got_int) break; } line_breakcheck(); ins_compl_check_keys(50, FALSE); } fclose(fp); } } } /* * Find the start of the next word. * Returns a pointer to the first char of the word. Also stops at a NUL. */ char_u * find_word_start(char_u *ptr) { if (has_mbyte) while (*ptr != NUL && *ptr != '\n' && mb_get_class(ptr) <= 1) ptr += (*mb_ptr2len)(ptr); else while (*ptr != NUL && *ptr != '\n' && !vim_iswordc(*ptr)) ++ptr; return ptr; } /* * Find the end of the word. Assumes it starts inside a word. * Returns a pointer to just after the word. */ char_u * find_word_end(char_u *ptr) { int start_class; if (has_mbyte) { start_class = mb_get_class(ptr); if (start_class > 1) while (*ptr != NUL) { ptr += (*mb_ptr2len)(ptr); if (mb_get_class(ptr) != start_class) break; } } else while (vim_iswordc(*ptr)) ++ptr; return ptr; } /* * Find the end of the line, omitting CR and NL at the end. * Returns a pointer to just after the line. */ static char_u * find_line_end(char_u *ptr) { char_u *s; s = ptr + STRLEN(ptr); while (s > ptr && (s[-1] == CAR || s[-1] == NL)) --s; return s; } /* * Free the list of completions */ static void ins_compl_free(void) { compl_T *match; int i; VIM_CLEAR(compl_pattern); VIM_CLEAR(compl_leader); if (compl_first_match == NULL) return; ins_compl_del_pum(); pum_clear(); compl_curr_match = compl_first_match; do { match = compl_curr_match; compl_curr_match = compl_curr_match->cp_next; vim_free(match->cp_str); // several entries may use the same fname, free it just once. if (match->cp_flags & CP_FREE_FNAME) vim_free(match->cp_fname); for (i = 0; i < CPT_COUNT; ++i) vim_free(match->cp_text[i]); vim_free(match); } while (compl_curr_match != NULL && compl_curr_match != compl_first_match); compl_first_match = compl_curr_match = NULL; compl_shown_match = NULL; compl_old_match = NULL; } void ins_compl_clear(void) { compl_cont_status = 0; compl_started = FALSE; compl_matches = 0; VIM_CLEAR(compl_pattern); VIM_CLEAR(compl_leader); edit_submode_extra = NULL; VIM_CLEAR(compl_orig_text); compl_enter_selects = FALSE; // clear v:completed_item set_vim_var_dict(VV_COMPLETED_ITEM, dict_alloc_lock(VAR_FIXED)); } /* * Return TRUE when Insert completion is active. */ int ins_compl_active(void) { return compl_started; } /* * Get complete information */ void get_complete_info(list_T *what_list, dict_T *retdict) { int ret = OK; listitem_T *item; #define CI_WHAT_MODE 0x01 #define CI_WHAT_PUM_VISIBLE 0x02 #define CI_WHAT_ITEMS 0x04 #define CI_WHAT_SELECTED 0x08 #define CI_WHAT_INSERTED 0x10 #define CI_WHAT_ALL 0xff int what_flag; if (what_list == NULL) what_flag = CI_WHAT_ALL; else { what_flag = 0; for (item = what_list->lv_first; item != NULL; item = item->li_next) { char_u *what = tv_get_string(&item->li_tv); if (STRCMP(what, "mode") == 0) what_flag |= CI_WHAT_MODE; else if (STRCMP(what, "pum_visible") == 0) what_flag |= CI_WHAT_PUM_VISIBLE; else if (STRCMP(what, "items") == 0) what_flag |= CI_WHAT_ITEMS; else if (STRCMP(what, "selected") == 0) what_flag |= CI_WHAT_SELECTED; else if (STRCMP(what, "inserted") == 0) what_flag |= CI_WHAT_INSERTED; } } if (ret == OK && (what_flag & CI_WHAT_MODE)) ret = dict_add_string(retdict, "mode", ins_compl_mode()); if (ret == OK && (what_flag & CI_WHAT_PUM_VISIBLE)) ret = dict_add_number(retdict, "pum_visible", pum_visible()); if (ret == OK && (what_flag & CI_WHAT_ITEMS)) { list_T *li; dict_T *di; compl_T *match; li = list_alloc(); if (li == NULL) return; ret = dict_add_list(retdict, "items", li); if (ret == OK && compl_first_match != NULL) { match = compl_first_match; do { if (!(match->cp_flags & CP_ORIGINAL_TEXT)) { di = dict_alloc(); if (di == NULL) return; ret = list_append_dict(li, di); if (ret != OK) return; dict_add_string(di, "word", match->cp_str); dict_add_string(di, "abbr", match->cp_text[CPT_ABBR]); dict_add_string(di, "menu", match->cp_text[CPT_MENU]); dict_add_string(di, "kind", match->cp_text[CPT_KIND]); dict_add_string(di, "info", match->cp_text[CPT_INFO]); dict_add_string(di, "user_data", match->cp_text[CPT_USER_DATA]); } match = match->cp_next; } while (match != NULL && match != compl_first_match); } } if (ret == OK && (what_flag & CI_WHAT_SELECTED)) ret = dict_add_number(retdict, "selected", (compl_curr_match != NULL) ? compl_curr_match->cp_number - 1 : -1); // TODO // if (ret == OK && (what_flag & CI_WHAT_INSERTED)) } /* * Return Insert completion mode name string */ static char_u * ins_compl_mode(void) { if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET || compl_started) return (char_u *)ctrl_x_mode_names[ctrl_x_mode & ~CTRL_X_WANT_IDENT]; return (char_u *)""; } /* * Selected one of the matches. When FALSE the match was edited or using the * longest common string. */ int ins_compl_used_match(void) { return compl_used_match; } /* * Initialize get longest common string. */ void ins_compl_init_get_longest(void) { compl_get_longest = FALSE; } /* * Returns TRUE when insert completion is interrupted. */ int ins_compl_interrupted(void) { return compl_interrupted; } /* * Returns TRUE if the <Enter> key selects a match in the completion popup * menu. */ int ins_compl_enter_selects(void) { return compl_enter_selects; } /* * Return the column where the text starts that is being completed */ colnr_T ins_compl_col(void) { return compl_col; } /* * Delete one character before the cursor and show the subset of the matches * that match the word that is now before the cursor. * Returns the character to be used, NUL if the work is done and another char * to be got from the user. */ int ins_compl_bs(void) { char_u *line; char_u *p; line = ml_get_curline(); p = line + curwin->w_cursor.col; MB_PTR_BACK(line, p); // Stop completion when the whole word was deleted. For Omni completion // allow the word to be deleted, we won't match everything. // Respect the 'backspace' option. if ((int)(p - line) - (int)compl_col < 0 || ((int)(p - line) - (int)compl_col == 0 && ctrl_x_mode != CTRL_X_OMNI) || ctrl_x_mode == CTRL_X_EVAL || (!can_bs(BS_START) && (int)(p - line) - (int)compl_col - compl_length < 0)) return K_BS; // Deleted more than what was used to find matches or didn't finish // finding all matches: need to look for matches all over again. if (curwin->w_cursor.col <= compl_col + compl_length || ins_compl_need_restart()) ins_compl_restart(); vim_free(compl_leader); compl_leader = vim_strnsave(line + compl_col, (int)(p - line) - compl_col); if (compl_leader != NULL) { ins_compl_new_leader(); if (compl_shown_match != NULL) // Make sure current match is not a hidden item. compl_curr_match = compl_shown_match; return NUL; } return K_BS; } /* * Return TRUE when we need to find matches again, ins_compl_restart() is to * be called. */ static int ins_compl_need_restart(void) { // Return TRUE if we didn't complete finding matches or when the // 'completefunc' returned "always" in the "refresh" dictionary item. return compl_was_interrupted || ((ctrl_x_mode == CTRL_X_FUNCTION || ctrl_x_mode == CTRL_X_OMNI) && compl_opt_refresh_always); } /* * Called after changing "compl_leader". * Show the popup menu with a different set of matches. * May also search for matches again if the previous search was interrupted. */ static void ins_compl_new_leader(void) { ins_compl_del_pum(); ins_compl_delete(); ins_bytes(compl_leader + ins_compl_len()); compl_used_match = FALSE; if (compl_started) ins_compl_set_original_text(compl_leader); else { #ifdef FEAT_SPELL spell_bad_len = 0; // need to redetect bad word #endif // Matches were cleared, need to search for them now. Befor drawing // the popup menu display the changed text before the cursor. Set // "compl_restarting" to avoid that the first match is inserted. pum_call_update_screen(); #ifdef FEAT_GUI if (gui.in_use) { // Show the cursor after the match, not after the redrawn text. setcursor(); out_flush_cursor(FALSE, FALSE); } #endif compl_restarting = TRUE; if (ins_complete(Ctrl_N, TRUE) == FAIL) compl_cont_status = 0; compl_restarting = FALSE; } compl_enter_selects = !compl_used_match; // Show the popup menu with a different set of matches. ins_compl_show_pum(); // Don't let Enter select the original text when there is no popup menu. if (compl_match_array == NULL) compl_enter_selects = FALSE; } /* * Return the length of the completion, from the completion start column to * the cursor column. Making sure it never goes below zero. */ static int ins_compl_len(void) { int off = (int)curwin->w_cursor.col - (int)compl_col; if (off < 0) return 0; return off; } /* * Append one character to the match leader. May reduce the number of * matches. */ void ins_compl_addleader(int c) { int cc; if (stop_arrow() == FAIL) return; if (has_mbyte && (cc = (*mb_char2len)(c)) > 1) { char_u buf[MB_MAXBYTES + 1]; (*mb_char2bytes)(c, buf); buf[cc] = NUL; ins_char_bytes(buf, cc); if (compl_opt_refresh_always) AppendToRedobuff(buf); } else { ins_char(c); if (compl_opt_refresh_always) AppendCharToRedobuff(c); } // If we didn't complete finding matches we must search again. if (ins_compl_need_restart()) ins_compl_restart(); // When 'always' is set, don't reset compl_leader. While completing, // cursor doesn't point original position, changing compl_leader would // break redo. if (!compl_opt_refresh_always) { vim_free(compl_leader); compl_leader = vim_strnsave(ml_get_curline() + compl_col, (int)(curwin->w_cursor.col - compl_col)); if (compl_leader != NULL) ins_compl_new_leader(); } } /* * Setup for finding completions again without leaving CTRL-X mode. Used when * BS or a key was typed while still searching for matches. */ static void ins_compl_restart(void) { ins_compl_free(); compl_started = FALSE; compl_matches = 0; compl_cont_status = 0; compl_cont_mode = 0; } /* * Set the first match, the original text. */ static void ins_compl_set_original_text(char_u *str) { char_u *p; // Replace the original text entry. // The CP_ORIGINAL_TEXT flag is either at the first item or might possibly be // at the last item for backward completion if (compl_first_match->cp_flags & CP_ORIGINAL_TEXT) // safety check { p = vim_strsave(str); if (p != NULL) { vim_free(compl_first_match->cp_str); compl_first_match->cp_str = p; } } else if (compl_first_match->cp_prev != NULL && (compl_first_match->cp_prev->cp_flags & CP_ORIGINAL_TEXT)) { p = vim_strsave(str); if (p != NULL) { vim_free(compl_first_match->cp_prev->cp_str); compl_first_match->cp_prev->cp_str = p; } } } /* * Append one character to the match leader. May reduce the number of * matches. */ void ins_compl_addfrommatch(void) { char_u *p; int len = (int)curwin->w_cursor.col - (int)compl_col; int c; compl_T *cp; p = compl_shown_match->cp_str; if ((int)STRLEN(p) <= len) // the match is too short { // When still at the original match use the first entry that matches // the leader. if (compl_shown_match->cp_flags & CP_ORIGINAL_TEXT) { p = NULL; for (cp = compl_shown_match->cp_next; cp != NULL && cp != compl_first_match; cp = cp->cp_next) { if (compl_leader == NULL || ins_compl_equal(cp, compl_leader, (int)STRLEN(compl_leader))) { p = cp->cp_str; break; } } if (p == NULL || (int)STRLEN(p) <= len) return; } else return; } p += len; c = PTR2CHAR(p); ins_compl_addleader(c); } /* * Prepare for Insert mode completion, or stop it. * Called just after typing a character in Insert mode. * Returns TRUE when the character is not to be inserted; */ int ins_compl_prep(int c) { char_u *ptr; int want_cindent; int retval = FALSE; // Forget any previous 'special' messages if this is actually // a ^X mode key - bar ^R, in which case we wait to see what it gives us. if (c != Ctrl_R && vim_is_ctrl_x_key(c)) edit_submode_extra = NULL; // Ignore end of Select mode mapping and mouse scroll buttons. if (c == K_SELECT || c == K_MOUSEDOWN || c == K_MOUSEUP || c == K_MOUSELEFT || c == K_MOUSERIGHT) return retval; // Set "compl_get_longest" when finding the first matches. if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET || (ctrl_x_mode == CTRL_X_NORMAL && !compl_started)) { compl_get_longest = (strstr((char *)p_cot, "longest") != NULL); compl_used_match = TRUE; } if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET) { // We have just typed CTRL-X and aren't quite sure which CTRL-X mode // it will be yet. Now we decide. switch (c) { case Ctrl_E: case Ctrl_Y: ctrl_x_mode = CTRL_X_SCROLL; if (!(State & REPLACE_FLAG)) edit_submode = (char_u *)_(" (insert) Scroll (^E/^Y)"); else edit_submode = (char_u *)_(" (replace) Scroll (^E/^Y)"); edit_submode_pre = NULL; showmode(); break; case Ctrl_L: ctrl_x_mode = CTRL_X_WHOLE_LINE; break; case Ctrl_F: ctrl_x_mode = CTRL_X_FILES; break; case Ctrl_K: ctrl_x_mode = CTRL_X_DICTIONARY; break; case Ctrl_R: // Simply allow ^R to happen without affecting ^X mode break; case Ctrl_T: ctrl_x_mode = CTRL_X_THESAURUS; break; #ifdef FEAT_COMPL_FUNC case Ctrl_U: ctrl_x_mode = CTRL_X_FUNCTION; break; case Ctrl_O: ctrl_x_mode = CTRL_X_OMNI; break; #endif case 's': case Ctrl_S: ctrl_x_mode = CTRL_X_SPELL; #ifdef FEAT_SPELL ++emsg_off; // Avoid getting the E756 error twice. spell_back_to_badword(); --emsg_off; #endif break; case Ctrl_RSB: ctrl_x_mode = CTRL_X_TAGS; break; #ifdef FEAT_FIND_ID case Ctrl_I: case K_S_TAB: ctrl_x_mode = CTRL_X_PATH_PATTERNS; break; case Ctrl_D: ctrl_x_mode = CTRL_X_PATH_DEFINES; break; #endif case Ctrl_V: case Ctrl_Q: ctrl_x_mode = CTRL_X_CMDLINE; break; case Ctrl_P: case Ctrl_N: // ^X^P means LOCAL expansion if nothing interrupted (eg we // just started ^X mode, or there were enough ^X's to cancel // the previous mode, say ^X^F^X^X^P or ^P^X^X^X^P, see below) // do normal expansion when interrupting a different mode (say // ^X^F^X^P or ^P^X^X^P, see below) // nothing changes if interrupting mode 0, (eg, the flag // doesn't change when going to ADDING mode -- Acevedo if (!(compl_cont_status & CONT_INTRPT)) compl_cont_status |= CONT_LOCAL; else if (compl_cont_mode != 0) compl_cont_status &= ~CONT_LOCAL; // FALLTHROUGH default: // If we have typed at least 2 ^X's... for modes != 0, we set // compl_cont_status = 0 (eg, as if we had just started ^X // mode). // For mode 0, we set "compl_cont_mode" to an impossible // value, in both cases ^X^X can be used to restart the same // mode (avoiding ADDING mode). // Undocumented feature: In a mode != 0 ^X^P and ^X^X^P start // 'complete' and local ^P expansions respectively. // In mode 0 an extra ^X is needed since ^X^P goes to ADDING // mode -- Acevedo if (c == Ctrl_X) { if (compl_cont_mode != 0) compl_cont_status = 0; else compl_cont_mode = CTRL_X_NOT_DEFINED_YET; } ctrl_x_mode = CTRL_X_NORMAL; edit_submode = NULL; showmode(); break; } } else if (ctrl_x_mode != CTRL_X_NORMAL) { // We're already in CTRL-X mode, do we stay in it? if (!vim_is_ctrl_x_key(c)) { if (ctrl_x_mode == CTRL_X_SCROLL) ctrl_x_mode = CTRL_X_NORMAL; else ctrl_x_mode = CTRL_X_FINISHED; edit_submode = NULL; } showmode(); } if (compl_started || ctrl_x_mode == CTRL_X_FINISHED) { // Show error message from attempted keyword completion (probably // 'Pattern not found') until another key is hit, then go back to // showing what mode we are in. showmode(); if ((ctrl_x_mode == CTRL_X_NORMAL && c != Ctrl_N && c != Ctrl_P && c != Ctrl_R && !ins_compl_pum_key(c)) || ctrl_x_mode == CTRL_X_FINISHED) { // Get here when we have finished typing a sequence of ^N and // ^P or other completion characters in CTRL-X mode. Free up // memory that was used, and make sure we can redo the insert. if (compl_curr_match != NULL || compl_leader != NULL || c == Ctrl_E) { // If any of the original typed text has been changed, eg when // ignorecase is set, we must add back-spaces to the redo // buffer. We add as few as necessary to delete just the part // of the original text that has changed. // When using the longest match, edited the match or used // CTRL-E then don't use the current match. if (compl_curr_match != NULL && compl_used_match && c != Ctrl_E) ptr = compl_curr_match->cp_str; else ptr = NULL; ins_compl_fixRedoBufForLeader(ptr); } #ifdef FEAT_CINDENT want_cindent = (can_cindent_get() && cindent_on()); #endif // When completing whole lines: fix indent for 'cindent'. // Otherwise, break line if it's too long. if (compl_cont_mode == CTRL_X_WHOLE_LINE) { #ifdef FEAT_CINDENT // re-indent the current line if (want_cindent) { do_c_expr_indent(); want_cindent = FALSE; // don't do it again } #endif } else { int prev_col = curwin->w_cursor.col; // put the cursor on the last char, for 'tw' formatting if (prev_col > 0) dec_cursor(); // only format when something was inserted if (!arrow_used && !ins_need_undo_get() && c != Ctrl_E) insertchar(NUL, 0, -1); if (prev_col > 0 && ml_get_curline()[curwin->w_cursor.col] != NUL) inc_cursor(); } // If the popup menu is displayed pressing CTRL-Y means accepting // the selection without inserting anything. When // compl_enter_selects is set the Enter key does the same. if ((c == Ctrl_Y || (compl_enter_selects && (c == CAR || c == K_KENTER || c == NL))) && pum_visible()) retval = TRUE; // CTRL-E means completion is Ended, go back to the typed text. // but only do this, if the Popup is still visible if (c == Ctrl_E) { ins_compl_delete(); if (compl_leader != NULL) ins_bytes(compl_leader + ins_compl_len()); else if (compl_first_match != NULL) ins_bytes(compl_orig_text + ins_compl_len()); retval = TRUE; } auto_format(FALSE, TRUE); ins_compl_free(); compl_started = FALSE; compl_matches = 0; if (!shortmess(SHM_COMPLETIONMENU)) msg_clr_cmdline(); // necessary for "noshowmode" ctrl_x_mode = CTRL_X_NORMAL; compl_enter_selects = FALSE; if (edit_submode != NULL) { edit_submode = NULL; showmode(); } #ifdef FEAT_CMDWIN if (c == Ctrl_C && cmdwin_type != 0) // Avoid the popup menu remains displayed when leaving the // command line window. update_screen(0); #endif #ifdef FEAT_CINDENT // Indent now if a key was typed that is in 'cinkeys'. if (want_cindent && in_cinkeys(KEY_COMPLETE, ' ', inindent(0))) do_c_expr_indent(); #endif // Trigger the CompleteDone event to give scripts a chance to act // upon the completion. ins_apply_autocmds(EVENT_COMPLETEDONE); } } else if (ctrl_x_mode == CTRL_X_LOCAL_MSG) // Trigger the CompleteDone event to give scripts a chance to act // upon the (possibly failed) completion. ins_apply_autocmds(EVENT_COMPLETEDONE); // reset continue_* if we left expansion-mode, if we stay they'll be // (re)set properly in ins_complete() if (!vim_is_ctrl_x_key(c)) { compl_cont_status = 0; compl_cont_mode = 0; } return retval; } /* * Fix the redo buffer for the completion leader replacing some of the typed * text. This inserts backspaces and appends the changed text. * "ptr" is the known leader text or NUL. */ static void ins_compl_fixRedoBufForLeader(char_u *ptr_arg) { int len; char_u *p; char_u *ptr = ptr_arg; if (ptr == NULL) { if (compl_leader != NULL) ptr = compl_leader; else return; // nothing to do } if (compl_orig_text != NULL) { p = compl_orig_text; for (len = 0; p[len] != NUL && p[len] == ptr[len]; ++len) ; if (len > 0) len -= (*mb_head_off)(p, p + len); for (p += len; *p != NUL; MB_PTR_ADV(p)) AppendCharToRedobuff(K_BS); } else len = 0; if (ptr != NULL) AppendToRedobuffLit(ptr + len, -1); } /* * Loops through the list of windows, loaded-buffers or non-loaded-buffers * (depending on flag) starting from buf and looking for a non-scanned * buffer (other than curbuf). curbuf is special, if it is called with * buf=curbuf then it has to be the first call for a given flag/expansion. * * Returns the buffer to scan, if any, otherwise returns curbuf -- Acevedo */ static buf_T * ins_compl_next_buf(buf_T *buf, int flag) { static win_T *wp = NULL; if (flag == 'w') // just windows { if (buf == curbuf || wp == NULL) // first call for this flag/expansion wp = curwin; while ((wp = (wp->w_next != NULL ? wp->w_next : firstwin)) != curwin && wp->w_buffer->b_scanned) ; buf = wp->w_buffer; } else // 'b' (just loaded buffers), 'u' (just non-loaded buffers) or 'U' // (unlisted buffers) // When completing whole lines skip unloaded buffers. while ((buf = (buf->b_next != NULL ? buf->b_next : firstbuf)) != curbuf && ((flag == 'U' ? buf->b_p_bl : (!buf->b_p_bl || (buf->b_ml.ml_mfp == NULL) != (flag == 'u'))) || buf->b_scanned)) ; return buf; } #ifdef FEAT_COMPL_FUNC /* * Execute user defined complete function 'completefunc' or 'omnifunc', and * get matches in "matches". */ static void expand_by_function( int type, // CTRL_X_OMNI or CTRL_X_FUNCTION char_u *base) { list_T *matchlist = NULL; dict_T *matchdict = NULL; typval_T args[3]; char_u *funcname; pos_T pos; win_T *curwin_save; buf_T *curbuf_save; typval_T rettv; int save_State = State; funcname = (type == CTRL_X_FUNCTION) ? curbuf->b_p_cfu : curbuf->b_p_ofu; if (*funcname == NUL) return; // Call 'completefunc' to obtain the list of matches. args[0].v_type = VAR_NUMBER; args[0].vval.v_number = 0; args[1].v_type = VAR_STRING; args[1].vval.v_string = base != NULL ? base : (char_u *)""; args[2].v_type = VAR_UNKNOWN; pos = curwin->w_cursor; curwin_save = curwin; curbuf_save = curbuf; // Call a function, which returns a list or dict. if (call_vim_function(funcname, 2, args, &rettv) == OK) { switch (rettv.v_type) { case VAR_LIST: matchlist = rettv.vval.v_list; break; case VAR_DICT: matchdict = rettv.vval.v_dict; break; case VAR_SPECIAL: if (rettv.vval.v_number == VVAL_NONE) compl_opt_suppress_empty = TRUE; // FALLTHROUGH default: // TODO: Give error message? clear_tv(&rettv); break; } } if (curwin_save != curwin || curbuf_save != curbuf) { emsg(_(e_complwin)); goto theend; } curwin->w_cursor = pos; // restore the cursor position validate_cursor(); if (!EQUAL_POS(curwin->w_cursor, pos)) { emsg(_(e_compldel)); goto theend; } if (matchlist != NULL) ins_compl_add_list(matchlist); else if (matchdict != NULL) ins_compl_add_dict(matchdict); theend: // Restore State, it might have been changed. State = save_State; if (matchdict != NULL) dict_unref(matchdict); if (matchlist != NULL) list_unref(matchlist); } #endif // FEAT_COMPL_FUNC #if defined(FEAT_COMPL_FUNC) || defined(FEAT_EVAL) || defined(PROTO) /* * Add completions from a list. */ static void ins_compl_add_list(list_T *list) { listitem_T *li; int dir = compl_direction; // Go through the List with matches and add each of them. for (li = list->lv_first; li != NULL; li = li->li_next) { if (ins_compl_add_tv(&li->li_tv, dir) == OK) // if dir was BACKWARD then honor it just once dir = FORWARD; else if (did_emsg) break; } } /* * Add completions from a dict. */ static void ins_compl_add_dict(dict_T *dict) { dictitem_T *di_refresh; dictitem_T *di_words; // Check for optional "refresh" item. compl_opt_refresh_always = FALSE; di_refresh = dict_find(dict, (char_u *)"refresh", 7); if (di_refresh != NULL && di_refresh->di_tv.v_type == VAR_STRING) { char_u *v = di_refresh->di_tv.vval.v_string; if (v != NULL && STRCMP(v, (char_u *)"always") == 0) compl_opt_refresh_always = TRUE; } // Add completions from a "words" list. di_words = dict_find(dict, (char_u *)"words", 5); if (di_words != NULL && di_words->di_tv.v_type == VAR_LIST) ins_compl_add_list(di_words->di_tv.vval.v_list); } /* * Add a match to the list of matches from a typeval_T. * If the given string is already in the list of completions, then return * NOTDONE, otherwise add it to the list and return OK. If there is an error, * maybe because alloc() returns NULL, then FAIL is returned. */ int ins_compl_add_tv(typval_T *tv, int dir) { char_u *word; int dup = FALSE; int empty = FALSE; int flags = 0; char_u *(cptext[CPT_COUNT]); if (tv->v_type == VAR_DICT && tv->vval.v_dict != NULL) { word = dict_get_string(tv->vval.v_dict, (char_u *)"word", FALSE); cptext[CPT_ABBR] = dict_get_string(tv->vval.v_dict, (char_u *)"abbr", FALSE); cptext[CPT_MENU] = dict_get_string(tv->vval.v_dict, (char_u *)"menu", FALSE); cptext[CPT_KIND] = dict_get_string(tv->vval.v_dict, (char_u *)"kind", FALSE); cptext[CPT_INFO] = dict_get_string(tv->vval.v_dict, (char_u *)"info", FALSE); cptext[CPT_USER_DATA] = dict_get_string(tv->vval.v_dict, (char_u *)"user_data", FALSE); if (dict_get_string(tv->vval.v_dict, (char_u *)"icase", FALSE) != NULL && dict_get_number(tv->vval.v_dict, (char_u *)"icase")) flags |= CP_ICASE; if (dict_get_string(tv->vval.v_dict, (char_u *)"dup", FALSE) != NULL) dup = dict_get_number(tv->vval.v_dict, (char_u *)"dup"); if (dict_get_string(tv->vval.v_dict, (char_u *)"empty", FALSE) != NULL) empty = dict_get_number(tv->vval.v_dict, (char_u *)"empty"); if (dict_get_string(tv->vval.v_dict, (char_u *)"equal", FALSE) != NULL && dict_get_number(tv->vval.v_dict, (char_u *)"equal")) flags |= CP_EQUAL; } else { word = tv_get_string_chk(tv); vim_memset(cptext, 0, sizeof(cptext)); } if (word == NULL || (!empty && *word == NUL)) return FAIL; return ins_compl_add(word, -1, NULL, cptext, dir, flags, dup); } #endif /* * Get the next expansion(s), using "compl_pattern". * The search starts at position "ini" in curbuf and in the direction * compl_direction. * When "compl_started" is FALSE start at that position, otherwise continue * where we stopped searching before. * This may return before finding all the matches. * Return the total number of matches or -1 if still unknown -- Acevedo */ static int ins_compl_get_exp(pos_T *ini) { static pos_T first_match_pos; static pos_T last_match_pos; static char_u *e_cpt = (char_u *)""; // curr. entry in 'complete' static int found_all = FALSE; // Found all matches of a // certain type. static buf_T *ins_buf = NULL; // buffer being scanned pos_T *pos; char_u **matches; int save_p_scs; int save_p_ws; int save_p_ic; int i; int num_matches; int len; int found_new_match; int type = ctrl_x_mode; char_u *ptr; char_u *dict = NULL; int dict_f = 0; int set_match_pos; if (!compl_started) { FOR_ALL_BUFFERS(ins_buf) ins_buf->b_scanned = 0; found_all = FALSE; ins_buf = curbuf; e_cpt = (compl_cont_status & CONT_LOCAL) ? (char_u *)"." : curbuf->b_p_cpt; last_match_pos = first_match_pos = *ini; } else if (ins_buf != curbuf && !buf_valid(ins_buf)) ins_buf = curbuf; // In case the buffer was wiped out. compl_old_match = compl_curr_match; // remember the last current match pos = (compl_direction == FORWARD) ? &last_match_pos : &first_match_pos; // For ^N/^P loop over all the flags/windows/buffers in 'complete'. for (;;) { found_new_match = FAIL; set_match_pos = FALSE; // For ^N/^P pick a new entry from e_cpt if compl_started is off, // or if found_all says this entry is done. For ^X^L only use the // entries from 'complete' that look in loaded buffers. if ((ctrl_x_mode == CTRL_X_NORMAL || ctrl_x_mode_line_or_eval()) && (!compl_started || found_all)) { found_all = FALSE; while (*e_cpt == ',' || *e_cpt == ' ') e_cpt++; if (*e_cpt == '.' && !curbuf->b_scanned) { ins_buf = curbuf; first_match_pos = *ini; // Move the cursor back one character so that ^N can match the // word immediately after the cursor. if (ctrl_x_mode == CTRL_X_NORMAL && dec(&first_match_pos) < 0) { // Move the cursor to after the last character in the // buffer, so that word at start of buffer is found // correctly. first_match_pos.lnum = ins_buf->b_ml.ml_line_count; first_match_pos.col = (colnr_T)STRLEN(ml_get(first_match_pos.lnum)); } last_match_pos = first_match_pos; type = 0; // Remember the first match so that the loop stops when we // wrap and come back there a second time. set_match_pos = TRUE; } else if (vim_strchr((char_u *)"buwU", *e_cpt) != NULL && (ins_buf = ins_compl_next_buf(ins_buf, *e_cpt)) != curbuf) { // Scan a buffer, but not the current one. if (ins_buf->b_ml.ml_mfp != NULL) // loaded buffer { compl_started = TRUE; first_match_pos.col = last_match_pos.col = 0; first_match_pos.lnum = ins_buf->b_ml.ml_line_count + 1; last_match_pos.lnum = 0; type = 0; } else // unloaded buffer, scan like dictionary { found_all = TRUE; if (ins_buf->b_fname == NULL) continue; type = CTRL_X_DICTIONARY; dict = ins_buf->b_fname; dict_f = DICT_EXACT; } vim_snprintf((char *)IObuff, IOSIZE, _("Scanning: %s"), ins_buf->b_fname == NULL ? buf_spname(ins_buf) : ins_buf->b_sfname == NULL ? ins_buf->b_fname : ins_buf->b_sfname); (void)msg_trunc_attr((char *)IObuff, TRUE, HL_ATTR(HLF_R)); } else if (*e_cpt == NUL) break; else { if (ctrl_x_mode_line_or_eval()) type = -1; else if (*e_cpt == 'k' || *e_cpt == 's') { if (*e_cpt == 'k') type = CTRL_X_DICTIONARY; else type = CTRL_X_THESAURUS; if (*++e_cpt != ',' && *e_cpt != NUL) { dict = e_cpt; dict_f = DICT_FIRST; } } #ifdef FEAT_FIND_ID else if (*e_cpt == 'i') type = CTRL_X_PATH_PATTERNS; else if (*e_cpt == 'd') type = CTRL_X_PATH_DEFINES; #endif else if (*e_cpt == ']' || *e_cpt == 't') { type = CTRL_X_TAGS; vim_snprintf((char *)IObuff, IOSIZE, _("Scanning tags.")); (void)msg_trunc_attr((char *)IObuff, TRUE, HL_ATTR(HLF_R)); } else type = -1; // in any case e_cpt is advanced to the next entry (void)copy_option_part(&e_cpt, IObuff, IOSIZE, ","); found_all = TRUE; if (type == -1) continue; } } // If complete() was called then compl_pattern has been reset. The // following won't work then, bail out. if (compl_pattern == NULL) break; switch (type) { case -1: break; #ifdef FEAT_FIND_ID case CTRL_X_PATH_PATTERNS: case CTRL_X_PATH_DEFINES: find_pattern_in_path(compl_pattern, compl_direction, (int)STRLEN(compl_pattern), FALSE, FALSE, (type == CTRL_X_PATH_DEFINES && !(compl_cont_status & CONT_SOL)) ? FIND_DEFINE : FIND_ANY, 1L, ACTION_EXPAND, (linenr_T)1, (linenr_T)MAXLNUM); break; #endif case CTRL_X_DICTIONARY: case CTRL_X_THESAURUS: ins_compl_dictionaries( dict != NULL ? dict : (type == CTRL_X_THESAURUS ? (*curbuf->b_p_tsr == NUL ? p_tsr : curbuf->b_p_tsr) : (*curbuf->b_p_dict == NUL ? p_dict : curbuf->b_p_dict)), compl_pattern, dict != NULL ? dict_f : 0, type == CTRL_X_THESAURUS); dict = NULL; break; case CTRL_X_TAGS: // set p_ic according to p_ic, p_scs and pat for find_tags(). save_p_ic = p_ic; p_ic = ignorecase(compl_pattern); // Find up to TAG_MANY matches. Avoids that an enormous number // of matches is found when compl_pattern is empty g_tag_at_cursor = TRUE; if (find_tags(compl_pattern, &num_matches, &matches, TAG_REGEXP | TAG_NAMES | TAG_NOIC | TAG_INS_COMP | (ctrl_x_mode != CTRL_X_NORMAL ? TAG_VERBOSE : 0), TAG_MANY, curbuf->b_ffname) == OK && num_matches > 0) ins_compl_add_matches(num_matches, matches, p_ic); g_tag_at_cursor = FALSE; p_ic = save_p_ic; break; case CTRL_X_FILES: if (expand_wildcards(1, &compl_pattern, &num_matches, &matches, EW_FILE|EW_DIR|EW_ADDSLASH|EW_SILENT) == OK) { // May change home directory back to "~". tilde_replace(compl_pattern, num_matches, matches); ins_compl_add_matches(num_matches, matches, p_fic || p_wic); } break; case CTRL_X_CMDLINE: if (expand_cmdline(&compl_xp, compl_pattern, (int)STRLEN(compl_pattern), &num_matches, &matches) == EXPAND_OK) ins_compl_add_matches(num_matches, matches, FALSE); break; #ifdef FEAT_COMPL_FUNC case CTRL_X_FUNCTION: case CTRL_X_OMNI: expand_by_function(type, compl_pattern); break; #endif case CTRL_X_SPELL: #ifdef FEAT_SPELL num_matches = expand_spelling(first_match_pos.lnum, compl_pattern, &matches); if (num_matches > 0) ins_compl_add_matches(num_matches, matches, p_ic); #endif break; default: // normal ^P/^N and ^X^L // If 'infercase' is set, don't use 'smartcase' here save_p_scs = p_scs; if (ins_buf->b_p_inf) p_scs = FALSE; // Buffers other than curbuf are scanned from the beginning or the // end but never from the middle, thus setting nowrapscan in this // buffers is a good idea, on the other hand, we always set // wrapscan for curbuf to avoid missing matches -- Acevedo,Webb save_p_ws = p_ws; if (ins_buf != curbuf) p_ws = FALSE; else if (*e_cpt == '.') p_ws = TRUE; for (;;) { int cont_s_ipos = FALSE; ++msg_silent; // Don't want messages for wrapscan. // ctrl_x_mode_line_or_eval() || word-wise search that // has added a word that was at the beginning of the line if (ctrl_x_mode_line_or_eval() || (compl_cont_status & CONT_SOL)) found_new_match = search_for_exact_line(ins_buf, pos, compl_direction, compl_pattern); else found_new_match = searchit(NULL, ins_buf, pos, NULL, compl_direction, compl_pattern, 1L, SEARCH_KEEP + SEARCH_NFMSG, RE_LAST, (linenr_T)0, NULL, NULL); --msg_silent; if (!compl_started || set_match_pos) { // set "compl_started" even on fail compl_started = TRUE; first_match_pos = *pos; last_match_pos = *pos; set_match_pos = FALSE; } else if (first_match_pos.lnum == last_match_pos.lnum && first_match_pos.col == last_match_pos.col) found_new_match = FAIL; if (found_new_match == FAIL) { if (ins_buf == curbuf) found_all = TRUE; break; } // when ADDING, the text before the cursor matches, skip it if ( (compl_cont_status & CONT_ADDING) && ins_buf == curbuf && ini->lnum == pos->lnum && ini->col == pos->col) continue; ptr = ml_get_buf(ins_buf, pos->lnum, FALSE) + pos->col; if (ctrl_x_mode_line_or_eval()) { if (compl_cont_status & CONT_ADDING) { if (pos->lnum >= ins_buf->b_ml.ml_line_count) continue; ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE); if (!p_paste) ptr = skipwhite(ptr); } len = (int)STRLEN(ptr); } else { char_u *tmp_ptr = ptr; if (compl_cont_status & CONT_ADDING) { tmp_ptr += compl_length; // Skip if already inside a word. if (vim_iswordp(tmp_ptr)) continue; // Find start of next word. tmp_ptr = find_word_start(tmp_ptr); } // Find end of this word. tmp_ptr = find_word_end(tmp_ptr); len = (int)(tmp_ptr - ptr); if ((compl_cont_status & CONT_ADDING) && len == compl_length) { if (pos->lnum < ins_buf->b_ml.ml_line_count) { // Try next line, if any. the new word will be // "join" as if the normal command "J" was used. // IOSIZE is always greater than // compl_length, so the next STRNCPY always // works -- Acevedo STRNCPY(IObuff, ptr, len); ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE); tmp_ptr = ptr = skipwhite(ptr); // Find start of next word. tmp_ptr = find_word_start(tmp_ptr); // Find end of next word. tmp_ptr = find_word_end(tmp_ptr); if (tmp_ptr > ptr) { if (*ptr != ')' && IObuff[len - 1] != TAB) { if (IObuff[len - 1] != ' ') IObuff[len++] = ' '; // IObuf =~ "\k.* ", thus len >= 2 if (p_js && (IObuff[len - 2] == '.' || (vim_strchr(p_cpo, CPO_JOINSP) == NULL && (IObuff[len - 2] == '?' || IObuff[len - 2] == '!')))) IObuff[len++] = ' '; } // copy as much as possible of the new word if (tmp_ptr - ptr >= IOSIZE - len) tmp_ptr = ptr + IOSIZE - len - 1; STRNCPY(IObuff + len, ptr, tmp_ptr - ptr); len += (int)(tmp_ptr - ptr); cont_s_ipos = TRUE; } IObuff[len] = NUL; ptr = IObuff; } if (len == compl_length) continue; } } if (ins_compl_add_infercase(ptr, len, p_ic, ins_buf == curbuf ? NULL : ins_buf->b_sfname, 0, cont_s_ipos) != NOTDONE) { found_new_match = OK; break; } } p_scs = save_p_scs; p_ws = save_p_ws; } // check if compl_curr_match has changed, (e.g. other type of // expansion added something) if (type != 0 && compl_curr_match != compl_old_match) found_new_match = OK; // break the loop for specialized modes (use 'complete' just for the // generic ctrl_x_mode == CTRL_X_NORMAL) or when we've found a new // match if ((ctrl_x_mode != CTRL_X_NORMAL && !ctrl_x_mode_line_or_eval()) || found_new_match != FAIL) { if (got_int) break; // Fill the popup menu as soon as possible. if (type != -1) ins_compl_check_keys(0, FALSE); if ((ctrl_x_mode != CTRL_X_NORMAL && !ctrl_x_mode_line_or_eval()) || compl_interrupted) break; compl_started = TRUE; } else { // Mark a buffer scanned when it has been scanned completely if (type == 0 || type == CTRL_X_PATH_PATTERNS) ins_buf->b_scanned = TRUE; compl_started = FALSE; } } compl_started = TRUE; if ((ctrl_x_mode == CTRL_X_NORMAL || ctrl_x_mode_line_or_eval()) && *e_cpt == NUL) // Got to end of 'complete' found_new_match = FAIL; i = -1; // total of matches, unknown if (found_new_match == FAIL || (ctrl_x_mode != CTRL_X_NORMAL && !ctrl_x_mode_line_or_eval())) i = ins_compl_make_cyclic(); if (compl_old_match != NULL) { // If several matches were added (FORWARD) or the search failed and has // just been made cyclic then we have to move compl_curr_match to the // next or previous entry (if any) -- Acevedo compl_curr_match = compl_direction == FORWARD ? compl_old_match->cp_next : compl_old_match->cp_prev; if (compl_curr_match == NULL) compl_curr_match = compl_old_match; } return i; } /* * Delete the old text being completed. */ void ins_compl_delete(void) { int col; // In insert mode: Delete the typed part. // In replace mode: Put the old characters back, if any. col = compl_col + (compl_cont_status & CONT_ADDING ? compl_length : 0); if ((int)curwin->w_cursor.col > col) { if (stop_arrow() == FAIL) return; backspace_until_column(col); } // TODO: is this sufficient for redrawing? Redrawing everything causes // flicker, thus we can't do that. changed_cline_bef_curs(); // clear v:completed_item set_vim_var_dict(VV_COMPLETED_ITEM, dict_alloc_lock(VAR_FIXED)); } /* * Insert the new text being completed. * "in_compl_func" is TRUE when called from complete_check(). */ void ins_compl_insert(int in_compl_func) { dict_T *dict; ins_bytes(compl_shown_match->cp_str + ins_compl_len()); if (compl_shown_match->cp_flags & CP_ORIGINAL_TEXT) compl_used_match = FALSE; else compl_used_match = TRUE; dict = ins_compl_dict_alloc(compl_shown_match); set_vim_var_dict(VV_COMPLETED_ITEM, dict); if (!in_compl_func) compl_curr_match = compl_shown_match; } /* * Allocate Dict for the completed item. * { word, abbr, menu, kind, info } */ static dict_T * ins_compl_dict_alloc(compl_T *match) { dict_T *dict = dict_alloc_lock(VAR_FIXED); if (dict != NULL) { dict_add_string(dict, "word", match->cp_str); dict_add_string(dict, "abbr", match->cp_text[CPT_ABBR]); dict_add_string(dict, "menu", match->cp_text[CPT_MENU]); dict_add_string(dict, "kind", match->cp_text[CPT_KIND]); dict_add_string(dict, "info", match->cp_text[CPT_INFO]); dict_add_string(dict, "user_data", match->cp_text[CPT_USER_DATA]); } return dict; } /* * Fill in the next completion in the current direction. * If "allow_get_expansion" is TRUE, then we may call ins_compl_get_exp() to * get more completions. If it is FALSE, then we just do nothing when there * are no more completions in a given direction. The latter case is used when * we are still in the middle of finding completions, to allow browsing * through the ones found so far. * Return the total number of matches, or -1 if still unknown -- webb. * * compl_curr_match is currently being used by ins_compl_get_exp(), so we use * compl_shown_match here. * * Note that this function may be called recursively once only. First with * "allow_get_expansion" TRUE, which calls ins_compl_get_exp(), which in turn * calls this function with "allow_get_expansion" FALSE. */ static int ins_compl_next( int allow_get_expansion, int count, // repeat completion this many times; should // be at least 1 int insert_match, // Insert the newly selected match int in_compl_func) // called from complete_check() { int num_matches = -1; int todo = count; compl_T *found_compl = NULL; int found_end = FALSE; int advance; int started = compl_started; // When user complete function return -1 for findstart which is next // time of 'always', compl_shown_match become NULL. if (compl_shown_match == NULL) return -1; if (compl_leader != NULL && (compl_shown_match->cp_flags & CP_ORIGINAL_TEXT) == 0) { // Set "compl_shown_match" to the actually shown match, it may differ // when "compl_leader" is used to omit some of the matches. while (!ins_compl_equal(compl_shown_match, compl_leader, (int)STRLEN(compl_leader)) && compl_shown_match->cp_next != NULL && compl_shown_match->cp_next != compl_first_match) compl_shown_match = compl_shown_match->cp_next; // If we didn't find it searching forward, and compl_shows_dir is // backward, find the last match. if (compl_shows_dir == BACKWARD && !ins_compl_equal(compl_shown_match, compl_leader, (int)STRLEN(compl_leader)) && (compl_shown_match->cp_next == NULL || compl_shown_match->cp_next == compl_first_match)) { while (!ins_compl_equal(compl_shown_match, compl_leader, (int)STRLEN(compl_leader)) && compl_shown_match->cp_prev != NULL && compl_shown_match->cp_prev != compl_first_match) compl_shown_match = compl_shown_match->cp_prev; } } if (allow_get_expansion && insert_match && (!(compl_get_longest || compl_restarting) || compl_used_match)) // Delete old text to be replaced ins_compl_delete(); // When finding the longest common text we stick at the original text, // don't let CTRL-N or CTRL-P move to the first match. advance = count != 1 || !allow_get_expansion || !compl_get_longest; // When restarting the search don't insert the first match either. if (compl_restarting) { advance = FALSE; compl_restarting = FALSE; } // Repeat this for when <PageUp> or <PageDown> is typed. But don't wrap // around. while (--todo >= 0) { if (compl_shows_dir == FORWARD && compl_shown_match->cp_next != NULL) { compl_shown_match = compl_shown_match->cp_next; found_end = (compl_first_match != NULL && (compl_shown_match->cp_next == compl_first_match || compl_shown_match == compl_first_match)); } else if (compl_shows_dir == BACKWARD && compl_shown_match->cp_prev != NULL) { found_end = (compl_shown_match == compl_first_match); compl_shown_match = compl_shown_match->cp_prev; found_end |= (compl_shown_match == compl_first_match); } else { if (!allow_get_expansion) { if (advance) { if (compl_shows_dir == BACKWARD) compl_pending -= todo + 1; else compl_pending += todo + 1; } return -1; } if (!compl_no_select && advance) { if (compl_shows_dir == BACKWARD) --compl_pending; else ++compl_pending; } // Find matches. num_matches = ins_compl_get_exp(&compl_startpos); // handle any pending completions while (compl_pending != 0 && compl_direction == compl_shows_dir && advance) { if (compl_pending > 0 && compl_shown_match->cp_next != NULL) { compl_shown_match = compl_shown_match->cp_next; --compl_pending; } if (compl_pending < 0 && compl_shown_match->cp_prev != NULL) { compl_shown_match = compl_shown_match->cp_prev; ++compl_pending; } else break; } found_end = FALSE; } if ((compl_shown_match->cp_flags & CP_ORIGINAL_TEXT) == 0 && compl_leader != NULL && !ins_compl_equal(compl_shown_match, compl_leader, (int)STRLEN(compl_leader))) ++todo; else // Remember a matching item. found_compl = compl_shown_match; // Stop at the end of the list when we found a usable match. if (found_end) { if (found_compl != NULL) { compl_shown_match = found_compl; break; } todo = 1; // use first usable match after wrapping around } } // Insert the text of the new completion, or the compl_leader. if (compl_no_insert && !started) { ins_bytes(compl_orig_text + ins_compl_len()); compl_used_match = FALSE; } else if (insert_match) { if (!compl_get_longest || compl_used_match) ins_compl_insert(in_compl_func); else ins_bytes(compl_leader + ins_compl_len()); } else compl_used_match = FALSE; if (!allow_get_expansion) { // may undisplay the popup menu first ins_compl_upd_pum(); if (pum_enough_matches()) // Will display the popup menu, don't redraw yet to avoid flicker. pum_call_update_screen(); else // Not showing the popup menu yet, redraw to show the user what was // inserted. update_screen(0); // display the updated popup menu ins_compl_show_pum(); #ifdef FEAT_GUI if (gui.in_use) { // Show the cursor after the match, not after the redrawn text. setcursor(); out_flush_cursor(FALSE, FALSE); } #endif // Delete old text to be replaced, since we're still searching and // don't want to match ourselves! ins_compl_delete(); } // Enter will select a match when the match wasn't inserted and the popup // menu is visible. if (compl_no_insert && !started) compl_enter_selects = TRUE; else compl_enter_selects = !insert_match && compl_match_array != NULL; // Show the file name for the match (if any) // Truncate the file name to avoid a wait for return. if (compl_shown_match->cp_fname != NULL) { char *lead = _("match in file"); int space = sc_col - vim_strsize((char_u *)lead) - 2; char_u *s; char_u *e; if (space > 0) { // We need the tail that fits. With double-byte encoding going // back from the end is very slow, thus go from the start and keep // the text that fits in "space" between "s" and "e". for (s = e = compl_shown_match->cp_fname; *e != NUL; MB_PTR_ADV(e)) { space -= ptr2cells(e); while (space < 0) { space += ptr2cells(s); MB_PTR_ADV(s); } } vim_snprintf((char *)IObuff, IOSIZE, "%s %s%s", lead, s > compl_shown_match->cp_fname ? "<" : "", s); msg((char *)IObuff); redraw_cmdline = FALSE; // don't overwrite! } } return num_matches; } /* * Call this while finding completions, to check whether the user has hit a key * that should change the currently displayed completion, or exit completion * mode. Also, when compl_pending is not zero, show a completion as soon as * possible. -- webb * "frequency" specifies out of how many calls we actually check. * "in_compl_func" is TRUE when called from complete_check(), don't set * compl_curr_match. */ void ins_compl_check_keys(int frequency, int in_compl_func) { static int count = 0; int c; // Don't check when reading keys from a script, :normal or feedkeys(). // That would break the test scripts. But do check for keys when called // from complete_check(). if (!in_compl_func && (using_script() || ex_normal_busy)) return; // Only do this at regular intervals if (++count < frequency) return; count = 0; // Check for a typed key. Do use mappings, otherwise vim_is_ctrl_x_key() // can't do its work correctly. c = vpeekc_any(); if (c != NUL) { if (vim_is_ctrl_x_key(c) && c != Ctrl_X && c != Ctrl_R) { c = safe_vgetc(); // Eat the character compl_shows_dir = ins_compl_key2dir(c); (void)ins_compl_next(FALSE, ins_compl_key2count(c), c != K_UP && c != K_DOWN, in_compl_func); } else { // Need to get the character to have KeyTyped set. We'll put it // back with vungetc() below. But skip K_IGNORE. c = safe_vgetc(); if (c != K_IGNORE) { // Don't interrupt completion when the character wasn't typed, // e.g., when doing @q to replay keys. if (c != Ctrl_R && KeyTyped) compl_interrupted = TRUE; vungetc(c); } } } if (compl_pending != 0 && !got_int && !compl_no_insert) { int todo = compl_pending > 0 ? compl_pending : -compl_pending; compl_pending = 0; (void)ins_compl_next(FALSE, todo, TRUE, in_compl_func); } } /* * Decide the direction of Insert mode complete from the key typed. * Returns BACKWARD or FORWARD. */ static int ins_compl_key2dir(int c) { if (c == Ctrl_P || c == Ctrl_L || c == K_PAGEUP || c == K_KPAGEUP || c == K_S_UP || c == K_UP) return BACKWARD; return FORWARD; } /* * Return TRUE for keys that are used for completion only when the popup menu * is visible. */ static int ins_compl_pum_key(int c) { return pum_visible() && (c == K_PAGEUP || c == K_KPAGEUP || c == K_S_UP || c == K_PAGEDOWN || c == K_KPAGEDOWN || c == K_S_DOWN || c == K_UP || c == K_DOWN); } /* * Decide the number of completions to move forward. * Returns 1 for most keys, height of the popup menu for page-up/down keys. */ static int ins_compl_key2count(int c) { int h; if (ins_compl_pum_key(c) && c != K_UP && c != K_DOWN) { h = pum_get_height(); if (h > 3) h -= 2; // keep some context return h; } return 1; } /* * Return TRUE if completion with "c" should insert the match, FALSE if only * to change the currently selected completion. */ static int ins_compl_use_match(int c) { switch (c) { case K_UP: case K_DOWN: case K_PAGEDOWN: case K_KPAGEDOWN: case K_S_DOWN: case K_PAGEUP: case K_KPAGEUP: case K_S_UP: return FALSE; } return TRUE; } /* * Do Insert mode completion. * Called when character "c" was typed, which has a meaning for completion. * Returns OK if completion was done, FAIL if something failed (out of mem). */ int ins_complete(int c, int enable_pum) { char_u *line; int startcol = 0; // column where searched text starts colnr_T curs_col; // cursor column int n; int save_w_wrow; int save_w_leftcol; int insert_match; int save_did_ai = did_ai; int flags = CP_ORIGINAL_TEXT; compl_direction = ins_compl_key2dir(c); insert_match = ins_compl_use_match(c); if (!compl_started) { // First time we hit ^N or ^P (in a row, I mean) did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif if (stop_arrow() == FAIL) return FAIL; line = ml_get(curwin->w_cursor.lnum); curs_col = curwin->w_cursor.col; compl_pending = 0; // If this same ctrl_x_mode has been interrupted use the text from // "compl_startpos" to the cursor as a pattern to add a new word // instead of expand the one before the cursor, in word-wise if // "compl_startpos" is not in the same line as the cursor then fix it // (the line has been split because it was longer than 'tw'). if SOL // is set then skip the previous pattern, a word at the beginning of // the line has been inserted, we'll look for that -- Acevedo. if ((compl_cont_status & CONT_INTRPT) == CONT_INTRPT && compl_cont_mode == ctrl_x_mode) { // it is a continued search compl_cont_status &= ~CONT_INTRPT; // remove INTRPT if (ctrl_x_mode == CTRL_X_NORMAL || ctrl_x_mode == CTRL_X_PATH_PATTERNS || ctrl_x_mode == CTRL_X_PATH_DEFINES) { if (compl_startpos.lnum != curwin->w_cursor.lnum) { // line (probably) wrapped, set compl_startpos to the // first non_blank in the line, if it is not a wordchar // include it to get a better pattern, but then we don't // want the "\\<" prefix, check it bellow compl_col = (colnr_T)getwhitecols(line); compl_startpos.col = compl_col; compl_startpos.lnum = curwin->w_cursor.lnum; compl_cont_status &= ~CONT_SOL; // clear SOL if present } else { // S_IPOS was set when we inserted a word that was at the // beginning of the line, which means that we'll go to SOL // mode but first we need to redefine compl_startpos if (compl_cont_status & CONT_S_IPOS) { compl_cont_status |= CONT_SOL; compl_startpos.col = (colnr_T)(skipwhite( line + compl_length + compl_startpos.col) - line); } compl_col = compl_startpos.col; } compl_length = curwin->w_cursor.col - (int)compl_col; // IObuff is used to add a "word from the next line" would we // have enough space? just being paranoid #define MIN_SPACE 75 if (compl_length > (IOSIZE - MIN_SPACE)) { compl_cont_status &= ~CONT_SOL; compl_length = (IOSIZE - MIN_SPACE); compl_col = curwin->w_cursor.col - compl_length; } compl_cont_status |= CONT_ADDING | CONT_N_ADDS; if (compl_length < 1) compl_cont_status &= CONT_LOCAL; } else if (ctrl_x_mode_line_or_eval()) compl_cont_status = CONT_ADDING | CONT_N_ADDS; else compl_cont_status = 0; } else compl_cont_status &= CONT_LOCAL; if (!(compl_cont_status & CONT_ADDING)) // normal expansion { compl_cont_mode = ctrl_x_mode; if (ctrl_x_mode != CTRL_X_NORMAL) // Remove LOCAL if ctrl_x_mode != CTRL_X_NORMAL compl_cont_status = 0; compl_cont_status |= CONT_N_ADDS; compl_startpos = curwin->w_cursor; startcol = (int)curs_col; compl_col = 0; } // Work out completion pattern and original text -- webb if (ctrl_x_mode == CTRL_X_NORMAL || (ctrl_x_mode & CTRL_X_WANT_IDENT)) { if ((compl_cont_status & CONT_SOL) || ctrl_x_mode == CTRL_X_PATH_DEFINES) { if (!(compl_cont_status & CONT_ADDING)) { while (--startcol >= 0 && vim_isIDc(line[startcol])) ; compl_col += ++startcol; compl_length = curs_col - startcol; } if (p_ic) compl_pattern = str_foldcase(line + compl_col, compl_length, NULL, 0); else compl_pattern = vim_strnsave(line + compl_col, compl_length); if (compl_pattern == NULL) return FAIL; } else if (compl_cont_status & CONT_ADDING) { char_u *prefix = (char_u *)"\\<"; // we need up to 2 extra chars for the prefix compl_pattern = alloc(quote_meta(NULL, line + compl_col, compl_length) + 2); if (compl_pattern == NULL) return FAIL; if (!vim_iswordp(line + compl_col) || (compl_col > 0 && (vim_iswordp(mb_prevptr(line, line + compl_col))))) prefix = (char_u *)""; STRCPY((char *)compl_pattern, prefix); (void)quote_meta(compl_pattern + STRLEN(prefix), line + compl_col, compl_length); } else if (--startcol < 0 || !vim_iswordp(mb_prevptr(line, line + startcol + 1))) { // Match any word of at least two chars compl_pattern = vim_strsave((char_u *)"\\<\\k\\k"); if (compl_pattern == NULL) return FAIL; compl_col += curs_col; compl_length = 0; } else { // Search the point of change class of multibyte character // or not a word single byte character backward. if (has_mbyte) { int base_class; int head_off; startcol -= (*mb_head_off)(line, line + startcol); base_class = mb_get_class(line + startcol); while (--startcol >= 0) { head_off = (*mb_head_off)(line, line + startcol); if (base_class != mb_get_class(line + startcol - head_off)) break; startcol -= head_off; } } else while (--startcol >= 0 && vim_iswordc(line[startcol])) ; compl_col += ++startcol; compl_length = (int)curs_col - startcol; if (compl_length == 1) { // Only match word with at least two chars -- webb // there's no need to call quote_meta, // alloc(7) is enough -- Acevedo compl_pattern = alloc(7); if (compl_pattern == NULL) return FAIL; STRCPY((char *)compl_pattern, "\\<"); (void)quote_meta(compl_pattern + 2, line + compl_col, 1); STRCAT((char *)compl_pattern, "\\k"); } else { compl_pattern = alloc(quote_meta(NULL, line + compl_col, compl_length) + 2); if (compl_pattern == NULL) return FAIL; STRCPY((char *)compl_pattern, "\\<"); (void)quote_meta(compl_pattern + 2, line + compl_col, compl_length); } } } else if (ctrl_x_mode_line_or_eval()) { compl_col = (colnr_T)getwhitecols(line); compl_length = (int)curs_col - (int)compl_col; if (compl_length < 0) // cursor in indent: empty pattern compl_length = 0; if (p_ic) compl_pattern = str_foldcase(line + compl_col, compl_length, NULL, 0); else compl_pattern = vim_strnsave(line + compl_col, compl_length); if (compl_pattern == NULL) return FAIL; } else if (ctrl_x_mode == CTRL_X_FILES) { // Go back to just before the first filename character. if (startcol > 0) { char_u *p = line + startcol; MB_PTR_BACK(line, p); while (p > line && vim_isfilec(PTR2CHAR(p))) MB_PTR_BACK(line, p); if (p == line && vim_isfilec(PTR2CHAR(p))) startcol = 0; else startcol = (int)(p - line) + 1; } compl_col += startcol; compl_length = (int)curs_col - startcol; compl_pattern = addstar(line + compl_col, compl_length, EXPAND_FILES); if (compl_pattern == NULL) return FAIL; } else if (ctrl_x_mode == CTRL_X_CMDLINE) { compl_pattern = vim_strnsave(line, curs_col); if (compl_pattern == NULL) return FAIL; set_cmd_context(&compl_xp, compl_pattern, (int)STRLEN(compl_pattern), curs_col, FALSE); if (compl_xp.xp_context == EXPAND_UNSUCCESSFUL || compl_xp.xp_context == EXPAND_NOTHING) // No completion possible, use an empty pattern to get a // "pattern not found" message. compl_col = curs_col; else compl_col = (int)(compl_xp.xp_pattern - compl_pattern); compl_length = curs_col - compl_col; } else if (ctrl_x_mode == CTRL_X_FUNCTION || ctrl_x_mode == CTRL_X_OMNI) { #ifdef FEAT_COMPL_FUNC // Call user defined function 'completefunc' with "a:findstart" // set to 1 to obtain the length of text to use for completion. typval_T args[3]; int col; char_u *funcname; pos_T pos; win_T *curwin_save; buf_T *curbuf_save; int save_State = State; // Call 'completefunc' or 'omnifunc' and get pattern length as a // string funcname = ctrl_x_mode == CTRL_X_FUNCTION ? curbuf->b_p_cfu : curbuf->b_p_ofu; if (*funcname == NUL) { semsg(_(e_notset), ctrl_x_mode == CTRL_X_FUNCTION ? "completefunc" : "omnifunc"); // restore did_ai, so that adding comment leader works did_ai = save_did_ai; return FAIL; } args[0].v_type = VAR_NUMBER; args[0].vval.v_number = 1; args[1].v_type = VAR_STRING; args[1].vval.v_string = (char_u *)""; args[2].v_type = VAR_UNKNOWN; pos = curwin->w_cursor; curwin_save = curwin; curbuf_save = curbuf; col = call_func_retnr(funcname, 2, args); State = save_State; if (curwin_save != curwin || curbuf_save != curbuf) { emsg(_(e_complwin)); return FAIL; } curwin->w_cursor = pos; // restore the cursor position validate_cursor(); if (!EQUAL_POS(curwin->w_cursor, pos)) { emsg(_(e_compldel)); return FAIL; } // Return value -2 means the user complete function wants to // cancel the complete without an error. // Return value -3 does the same as -2 and leaves CTRL-X mode. if (col == -2) return FAIL; if (col == -3) { ctrl_x_mode = CTRL_X_NORMAL; edit_submode = NULL; if (!shortmess(SHM_COMPLETIONMENU)) msg_clr_cmdline(); return FAIL; } // Reset extended parameters of completion, when start new // completion. compl_opt_refresh_always = FALSE; compl_opt_suppress_empty = FALSE; if (col < 0) col = curs_col; compl_col = col; if (compl_col > curs_col) compl_col = curs_col; // Setup variables for completion. Need to obtain "line" again, // it may have become invalid. line = ml_get(curwin->w_cursor.lnum); compl_length = curs_col - compl_col; compl_pattern = vim_strnsave(line + compl_col, compl_length); if (compl_pattern == NULL) #endif return FAIL; } else if (ctrl_x_mode == CTRL_X_SPELL) { #ifdef FEAT_SPELL if (spell_bad_len > 0) compl_col = curs_col - spell_bad_len; else compl_col = spell_word_start(startcol); if (compl_col >= (colnr_T)startcol) { compl_length = 0; compl_col = curs_col; } else { spell_expand_check_cap(compl_col); compl_length = (int)curs_col - compl_col; } // Need to obtain "line" again, it may have become invalid. line = ml_get(curwin->w_cursor.lnum); compl_pattern = vim_strnsave(line + compl_col, compl_length); if (compl_pattern == NULL) #endif return FAIL; } else { internal_error("ins_complete()"); return FAIL; } if (compl_cont_status & CONT_ADDING) { edit_submode_pre = (char_u *)_(" Adding"); if (ctrl_x_mode_line_or_eval()) { // Insert a new line, keep indentation but ignore 'comments' #ifdef FEAT_COMMENTS char_u *old = curbuf->b_p_com; curbuf->b_p_com = (char_u *)""; #endif compl_startpos.lnum = curwin->w_cursor.lnum; compl_startpos.col = compl_col; ins_eol('\r'); #ifdef FEAT_COMMENTS curbuf->b_p_com = old; #endif compl_length = 0; compl_col = curwin->w_cursor.col; } } else { edit_submode_pre = NULL; compl_startpos.col = compl_col; } if (compl_cont_status & CONT_LOCAL) edit_submode = (char_u *)_(ctrl_x_msgs[CTRL_X_LOCAL_MSG]); else edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode)); // If any of the original typed text has been changed we need to fix // the redo buffer. ins_compl_fixRedoBufForLeader(NULL); // Always add completion for the original text. vim_free(compl_orig_text); compl_orig_text = vim_strnsave(line + compl_col, compl_length); if (p_ic) flags |= CP_ICASE; if (compl_orig_text == NULL || ins_compl_add(compl_orig_text, -1, NULL, NULL, 0, flags, FALSE) != OK) { VIM_CLEAR(compl_pattern); VIM_CLEAR(compl_orig_text); return FAIL; } // showmode might reset the internal line pointers, so it must // be called before line = ml_get(), or when this address is no // longer needed. -- Acevedo. edit_submode_extra = (char_u *)_("-- Searching..."); edit_submode_highl = HLF_COUNT; showmode(); edit_submode_extra = NULL; out_flush(); } else if (insert_match && stop_arrow() == FAIL) return FAIL; compl_shown_match = compl_curr_match; compl_shows_dir = compl_direction; // Find next match (and following matches). save_w_wrow = curwin->w_wrow; save_w_leftcol = curwin->w_leftcol; n = ins_compl_next(TRUE, ins_compl_key2count(c), insert_match, FALSE); // may undisplay the popup menu ins_compl_upd_pum(); if (n > 1) // all matches have been found compl_matches = n; compl_curr_match = compl_shown_match; compl_direction = compl_shows_dir; // Eat the ESC that vgetc() returns after a CTRL-C to avoid leaving Insert // mode. if (got_int && !global_busy) { (void)vgetc(); got_int = FALSE; } // we found no match if the list has only the "compl_orig_text"-entry if (compl_first_match == compl_first_match->cp_next) { edit_submode_extra = (compl_cont_status & CONT_ADDING) && compl_length > 1 ? (char_u *)_(e_hitend) : (char_u *)_(e_patnotf); edit_submode_highl = HLF_E; // remove N_ADDS flag, so next ^X<> won't try to go to ADDING mode, // because we couldn't expand anything at first place, but if we used // ^P, ^N, ^X^I or ^X^D we might want to add-expand a single-char-word // (such as M in M'exico) if not tried already. -- Acevedo if ( compl_length > 1 || (compl_cont_status & CONT_ADDING) || (ctrl_x_mode != CTRL_X_NORMAL && ctrl_x_mode != CTRL_X_PATH_PATTERNS && ctrl_x_mode != CTRL_X_PATH_DEFINES)) compl_cont_status &= ~CONT_N_ADDS; } if (compl_curr_match->cp_flags & CP_CONT_S_IPOS) compl_cont_status |= CONT_S_IPOS; else compl_cont_status &= ~CONT_S_IPOS; if (edit_submode_extra == NULL) { if (compl_curr_match->cp_flags & CP_ORIGINAL_TEXT) { edit_submode_extra = (char_u *)_("Back at original"); edit_submode_highl = HLF_W; } else if (compl_cont_status & CONT_S_IPOS) { edit_submode_extra = (char_u *)_("Word from other line"); edit_submode_highl = HLF_COUNT; } else if (compl_curr_match->cp_next == compl_curr_match->cp_prev) { edit_submode_extra = (char_u *)_("The only match"); edit_submode_highl = HLF_COUNT; } else { // Update completion sequence number when needed. if (compl_curr_match->cp_number == -1) { int number = 0; compl_T *match; if (compl_direction == FORWARD) { // search backwards for the first valid (!= -1) number. // This should normally succeed already at the first loop // cycle, so it's fast! for (match = compl_curr_match->cp_prev; match != NULL && match != compl_first_match; match = match->cp_prev) if (match->cp_number != -1) { number = match->cp_number; break; } if (match != NULL) // go up and assign all numbers which are not assigned // yet for (match = match->cp_next; match != NULL && match->cp_number == -1; match = match->cp_next) match->cp_number = ++number; } else // BACKWARD { // search forwards (upwards) for the first valid (!= -1) // number. This should normally succeed already at the // first loop cycle, so it's fast! for (match = compl_curr_match->cp_next; match != NULL && match != compl_first_match; match = match->cp_next) if (match->cp_number != -1) { number = match->cp_number; break; } if (match != NULL) // go down and assign all numbers which are not // assigned yet for (match = match->cp_prev; match && match->cp_number == -1; match = match->cp_prev) match->cp_number = ++number; } } // The match should always have a sequence number now, this is // just a safety check. if (compl_curr_match->cp_number != -1) { // Space for 10 text chars. + 2x10-digit no.s = 31. // Translations may need more than twice that. static char_u match_ref[81]; if (compl_matches > 0) vim_snprintf((char *)match_ref, sizeof(match_ref), _("match %d of %d"), compl_curr_match->cp_number, compl_matches); else vim_snprintf((char *)match_ref, sizeof(match_ref), _("match %d"), compl_curr_match->cp_number); edit_submode_extra = match_ref; edit_submode_highl = HLF_R; if (dollar_vcol >= 0) curs_columns(FALSE); } } } // Show a message about what (completion) mode we're in. if (!compl_opt_suppress_empty) { showmode(); if (!shortmess(SHM_COMPLETIONMENU)) { if (edit_submode_extra != NULL) { if (!p_smd) msg_attr((char *)edit_submode_extra, edit_submode_highl < HLF_COUNT ? HL_ATTR(edit_submode_highl) : 0); } else msg_clr_cmdline(); // necessary for "noshowmode" } } // Show the popup menu, unless we got interrupted. if (enable_pum && !compl_interrupted) show_pum(save_w_wrow, save_w_leftcol); compl_was_interrupted = compl_interrupted; compl_interrupted = FALSE; return OK; } static void show_pum(int prev_w_wrow, int prev_w_leftcol) { // RedrawingDisabled may be set when invoked through complete(). int n = RedrawingDisabled; RedrawingDisabled = 0; // If the cursor moved or the display scrolled we need to remove the pum // first. setcursor(); if (prev_w_wrow != curwin->w_wrow || prev_w_leftcol != curwin->w_leftcol) ins_compl_del_pum(); ins_compl_show_pum(); setcursor(); RedrawingDisabled = n; } /* * Looks in the first "len" chars. of "src" for search-metachars. * If dest is not NULL the chars. are copied there quoting (with * a backslash) the metachars, and dest would be NUL terminated. * Returns the length (needed) of dest */ static unsigned quote_meta(char_u *dest, char_u *src, int len) { unsigned m = (unsigned)len + 1; // one extra for the NUL for ( ; --len >= 0; src++) { switch (*src) { case '.': case '*': case '[': if (ctrl_x_mode == CTRL_X_DICTIONARY || ctrl_x_mode == CTRL_X_THESAURUS) break; // FALLTHROUGH case '~': if (!p_magic) // quote these only if magic is set break; // FALLTHROUGH case '\\': if (ctrl_x_mode == CTRL_X_DICTIONARY || ctrl_x_mode == CTRL_X_THESAURUS) break; // FALLTHROUGH case '^': // currently it's not needed. case '$': m++; if (dest != NULL) *dest++ = '\\'; break; } if (dest != NULL) *dest++ = *src; // Copy remaining bytes of a multibyte character. if (has_mbyte) { int i, mb_len; mb_len = (*mb_ptr2len)(src) - 1; if (mb_len > 0 && len >= mb_len) for (i = 0; i < mb_len; ++i) { --len; ++src; if (dest != NULL) *dest++ = *src; } } } if (dest != NULL) *dest = NUL; return m; } # if defined(EXITFREE) || defined(PROTO) void free_insexpand_stuff(void) { VIM_CLEAR(compl_orig_text); } # endif # ifdef FEAT_SPELL /* * Called when starting CTRL_X_SPELL mode: Move backwards to a previous badly * spelled word, if there is one. */ static void spell_back_to_badword(void) { pos_T tpos = curwin->w_cursor; spell_bad_len = spell_move_to(curwin, BACKWARD, TRUE, TRUE, NULL); if (curwin->w_cursor.col != tpos.col) start_arrow(&tpos); } # endif #endif // FEAT_INS_EXPAND