diff options
Diffstat (limited to 'src/nvim/edit.c')
| -rw-r--r-- | src/nvim/edit.c | 3797 |
1 files changed, 43 insertions, 3754 deletions
diff --git a/src/nvim/edit.c b/src/nvim/edit.c index 0571e71cb5..6658f69dda 100644 --- a/src/nvim/edit.c +++ b/src/nvim/edit.c @@ -18,7 +18,6 @@ #include "nvim/digraph.h" #include "nvim/edit.h" #include "nvim/eval.h" -#include "nvim/eval/typval.h" #include "nvim/event/loop.h" #include "nvim/ex_docmd.h" #include "nvim/ex_getln.h" @@ -29,6 +28,7 @@ #include "nvim/highlight_group.h" #include "nvim/indent.h" #include "nvim/indent_c.h" +#include "nvim/insexpand.h" #include "nvim/keycodes.h" #include "nvim/main.h" #include "nvim/mapping.h" @@ -48,180 +48,18 @@ #include "nvim/plines.h" #include "nvim/popupmnu.h" #include "nvim/quickfix.h" -#include "nvim/regexp.h" #include "nvim/screen.h" #include "nvim/search.h" #include "nvim/spell.h" #include "nvim/state.h" #include "nvim/strings.h" #include "nvim/syntax.h" -#include "nvim/tag.h" #include "nvim/terminal.h" #include "nvim/ui.h" #include "nvim/undo.h" #include "nvim/vim.h" #include "nvim/window.h" -// 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[]. - -#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_CMDLINE_CTRL_X 17 ///< CTRL-X typed in CTRL_X_CMDLINE - -#define CTRL_X_MSG(i) ctrl_x_msgs[(i) & ~CTRL_X_WANT_IDENT] -#define CTRL_X_MODE_LINE_OR_EVAL(m) \ - ((m) == CTRL_X_WHOLE_LINE || (m) == CTRL_X_EVAL) - -// 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. - N_(" Command-line completion (^V^N^P)"), -}; - -static char *ctrl_x_mode_names[] = { - "keyword", - "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", - "cmdline", -}; - -static char e_hitend[] = N_("Hit end of paragraph"); -static char e_compldel[] = N_("E840: Completion function deleted text"); - -/* - * 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 - typval_T cp_user_data; - 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 -}; - -/* - * 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 bool 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 */ - -static bool compl_used_match; // Selected one of the matches. - // When false the match was edited or using - // the longest common string. - -static int compl_was_interrupted = FALSE; /* didn't finish finding - completions. */ - -static bool 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 bool 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 Direction compl_direction = FORWARD; -static Direction 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 bool compl_opt_refresh_always = false; - -static int pum_selected_item = -1; - -/// state for pum_ext_select_item. -struct { - bool active; - int item; - bool insert; - bool finish; -} pum_want; - typedef struct insert_state { VimState state; cmdarg_T *ca; @@ -253,8 +91,6 @@ typedef struct insert_state { #define BACKSPACE_WORD_NOT_SPACE 3 #define BACKSPACE_LINE 4 -static size_t spell_bad_len = 0; // length of located bad word - static colnr_T Insstart_textlen; // length of line when insert started static colnr_T Insstart_blank_vcol; // vcol for first inserted blank static bool update_Insstart_orig = true; // set Insstart_orig to Insstart @@ -521,7 +357,7 @@ static int insert_check(VimState *state) // If typed something may trigger CursorHoldI again. if (s->c != K_EVENT // but not in CTRL-X mode, a script can't restore the state - && ctrl_x_mode == CTRL_X_NORMAL) { + && ctrl_x_mode_normal()) { did_cursorhold = false; } @@ -532,8 +368,8 @@ static int insert_check(VimState *state) if (can_cindent && cindent_on() - && ctrl_x_mode == CTRL_X_NORMAL - && !compl_started) { + && ctrl_x_mode_normal() + && !ins_compl_active()) { insert_do_cindent(s); } @@ -551,7 +387,7 @@ static int insert_check(VimState *state) Insstart_orig = Insstart; } - if (stop_insert_mode && !compl_started) { + if (stop_insert_mode && !ins_compl_active()) { // ":stopinsert" used s->count = 0; return 0; // exit insert mode @@ -688,29 +524,25 @@ static int insert_execute(VimState *state, int key) // Special handling of keys while the popup menu is visible or wanted // and the cursor is still in the completed word. Only when there is // a match, skip this when no matches were found. - if (compl_started + if (ins_compl_active() && pum_wanted() - && curwin->w_cursor.col >= compl_col - && (compl_shown_match == NULL - || compl_shown_match != compl_shown_match->cp_next)) { + && curwin->w_cursor.col >= ins_compl_col() + && ins_compl_has_shown_match()) { // BS: Delete one character from "compl_leader". if ((s->c == K_BS || s->c == Ctrl_H) - && curwin->w_cursor.col > compl_col + && curwin->w_cursor.col > ins_compl_col() && (s->c = ins_compl_bs()) == NUL) { return 1; // continue } // When no match was selected or it was edited. - if (!compl_used_match) { + if (!ins_compl_used_match()) { // CTRL-L: Add one character from the current match to // "compl_leader". Except when at the original match and // there is nothing to add, CTRL-L works like CTRL-P then. if (s->c == Ctrl_L - && (!CTRL_X_MODE_LINE_OR_EVAL(ctrl_x_mode) - || (compl_shown_match != NULL - && compl_shown_match->cp_str != NULL - && (int)STRLEN(compl_shown_match->cp_str) - > curwin->w_cursor.col - compl_col))) { + && (!ctrl_x_mode_line_or_eval() + || ins_compl_long_shown_match())) { ins_compl_addfrommatch(); return 1; // continue } @@ -736,7 +568,7 @@ static int insert_execute(VimState *state, int key) // Pressing CTRL-Y selects the current match. When // compl_enter_selects is set the Enter key does the same. if ((s->c == Ctrl_Y - || (compl_enter_selects + || (ins_compl_enter_selects() && (s->c == CAR || s->c == K_KENTER || s->c == NL))) && stop_arrow() == OK) { ins_compl_delete(); @@ -747,7 +579,7 @@ static int insert_execute(VimState *state, int key) // Prepare for or stop CTRL-X mode. This doesn't do completion, but it does // fix up the text when finishing completion. - compl_get_longest = false; + ins_compl_init_get_longest(); if (ins_compl_prep(s->c)) { return 1; // continue } @@ -779,8 +611,7 @@ static int insert_execute(VimState *state, int key) s->c = do_digraph(s->c); - if ((s->c == Ctrl_V || s->c == Ctrl_Q) - && (ctrl_x_mode == CTRL_X_CMDLINE || ctrl_x_mode == CTRL_X_CMDLINE_CTRL_X)) { + if ((s->c == Ctrl_V || s->c == Ctrl_Q) && ctrl_x_mode_cmdline()) { insert_do_complete(s); return 1; } @@ -791,8 +622,7 @@ static int insert_execute(VimState *state, int key) return 1; // continue } - if (cindent_on() - && ctrl_x_mode == 0) { + if (cindent_on() && ctrl_x_mode_none()) { // A key name preceded by a bang means this key is not to be // inserted. Skip ahead to the re-indenting below. // A key name preceded by a star means that indenting has to be @@ -873,7 +703,7 @@ static int insert_handle_key(InsertState *s) goto normalchar; // insert CTRL-Z as normal char case Ctrl_O: // execute one command - if (ctrl_x_mode == CTRL_X_OMNI) { + if (ctrl_x_mode_omni()) { insert_do_complete(s); break; } @@ -946,14 +776,14 @@ static int insert_handle_key(InsertState *s) break; case Ctrl_D: // Make indent one shiftwidth smaller. - if (ctrl_x_mode == CTRL_X_PATH_DEFINES) { + if (ctrl_x_mode_path_defines()) { insert_do_complete(s); break; } FALLTHROUGH; case Ctrl_T: // Make indent one shiftwidth greater. - if (s->c == Ctrl_T && ctrl_x_mode == CTRL_X_THESAURUS) { + if (s->c == Ctrl_T && ctrl_x_mode_thesaurus()) { if (check_compl_option(false)) { insert_do_complete(s); } @@ -992,7 +822,7 @@ static int insert_handle_key(InsertState *s) case Ctrl_U: // delete all inserted text in current line // CTRL-X CTRL-U completes with 'completefunc'. - if (ctrl_x_mode == CTRL_X_FUNCTION) { + if (ctrl_x_mode_function()) { insert_do_complete(s); } else { s->did_backspace = ins_bs(s->c, BACKSPACE_LINE, &s->inserted_space); @@ -1157,7 +987,7 @@ check_pum: FALLTHROUGH; case TAB: // TAB or Complete patterns along path - if (ctrl_x_mode == CTRL_X_PATH_PATTERNS) { + if (ctrl_x_mode_path_patterns()) { insert_do_complete(s); break; } @@ -1205,7 +1035,7 @@ check_pum: break; case Ctrl_K: // digraph or keyword completion - if (ctrl_x_mode == CTRL_X_DICTIONARY) { + if (ctrl_x_mode_dictionary()) { if (check_compl_option(true)) { insert_do_complete(s); } @@ -1223,7 +1053,7 @@ check_pum: break; case Ctrl_RSB: // Tag name completion after ^X - if (ctrl_x_mode != CTRL_X_TAGS) { + if (!ctrl_x_mode_tags()) { goto normalchar; } else { insert_do_complete(s); @@ -1231,7 +1061,7 @@ check_pum: break; case Ctrl_F: // File name completion after ^X - if (ctrl_x_mode != CTRL_X_FILES) { + if (!ctrl_x_mode_files()) { goto normalchar; } else { insert_do_complete(s); @@ -1240,7 +1070,7 @@ check_pum: case 's': // Spelling completion after ^X case Ctrl_S: - if (ctrl_x_mode != CTRL_X_SPELL) { + if (!ctrl_x_mode_spell()) { goto normalchar; } else { insert_do_complete(s); @@ -1248,7 +1078,7 @@ check_pum: break; case Ctrl_L: // Whole line completion after ^X - if (ctrl_x_mode != CTRL_X_WHOLE_LINE) { + if (!ctrl_x_mode_whole_line()) { goto normalchar; } FALLTHROUGH; @@ -1258,8 +1088,7 @@ check_pum: // if 'complete' is empty then plain ^P is no longer special, // but it is under other ^X modes if (*curbuf->b_p_cpt == NUL - && (ctrl_x_mode == CTRL_X_NORMAL - || ctrl_x_mode == CTRL_X_WHOLE_LINE) + && (ctrl_x_mode_normal() || ctrl_x_mode_whole_line()) && !(compl_cont_status & CONT_LOCAL)) { goto normalchar; } @@ -1409,7 +1238,7 @@ bool edit(int cmdchar, bool startln, long count) // Don't allow changes in the buffer while editing the cmdline. The // caller of getcmdline() may get confused. // Don't allow recursive insert mode when busy with completion. - if (textlock != 0 || compl_started || compl_busy || pum_visible()) { + if (textlock != 0 || ins_compl_active() || compl_busy || pum_visible()) { emsg(_(e_textlock)); return false; } @@ -1425,6 +1254,11 @@ bool edit(int cmdchar, bool startln, long count) return s->c == Ctrl_O; } +bool ins_need_undo_get(void) +{ + return ins_need_undo; +} + /// Redraw for Insert mode. /// This is postponed until getting the next character to make '$' in the 'cpo' /// option work correctly. @@ -1432,7 +1266,7 @@ bool edit(int cmdchar, bool startln, long count) /// inserting sequences of characters (e.g., for CTRL-R). /// /// @param ready not busy with something -static void ins_redraw(bool ready) +void ins_redraw(bool ready) { if (char_avail()) { return; @@ -2019,3523 +1853,6 @@ static bool del_char_after_col(int limit_col) return true; } -/* - * CTRL-X pressed in Insert mode. - */ -static void ins_ctrl_x(void) -{ - if (ctrl_x_mode != CTRL_X_CMDLINE && ctrl_x_mode != CTRL_X_CMDLINE_CTRL_X) { - // 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(); - } else { - // CTRL-X in CTRL-X CTRL-V mode behaves differently to make CTRL-X - // CTRL-V look like CTRL-N - ctrl_x_mode = CTRL_X_CMDLINE_CTRL_X; - } - - may_trigger_modechanged(); -} - -// Whether other than default completion has been selected. -bool ctrl_x_mode_not_default(void) - FUNC_ATTR_PURE -{ - return ctrl_x_mode != CTRL_X_NORMAL; -} - -// Whether CTRL-X was typed without a following character, -// not including when in CTRL-X CTRL-V mode. -bool ctrl_x_mode_not_defined_yet(void) - FUNC_ATTR_PURE -{ - return ctrl_x_mode == CTRL_X_NOT_DEFINED_YET; -} - -/// Check that the "dict" or "tsr" option can be used. -/// -/// @param dict_opt check "dict" when true, "tsr" when false. -static bool check_compl_option(bool dict_opt) -{ - if (dict_opt - ? (*curbuf->b_p_dict == NUL && *p_dict == NUL && !curwin->w_p_spell) - : (*curbuf->b_p_tsr == NUL && *p_tsr == NUL - && *curbuf->b_p_tsrfu == NUL && *p_tsrfu == 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(); - ui_flush(); - os_delay(2004L, false); - } - return false; - } - return true; -} - -/// Check that the character "c" a valid key to go to or keep us in CTRL-X mode? -/// This depends on the current mode. -/// -/// @param c character to check -bool vim_is_ctrl_x_key(int c) - FUNC_ATTR_WARN_UNUSED_RESULT -{ - // 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: - case CTRL_X_CMDLINE_CTRL_X: - 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' - || c == Ctrl_Z; - 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; - 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; - case CTRL_X_CMDLINE: - return c == Ctrl_V || c == Ctrl_Q || c == Ctrl_P || c == Ctrl_N - || c == Ctrl_X; - 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; - 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; -} - -/// Check that character "c" is part of the item currently being -/// completed. Used to decide whether to abandon complete mode when the menu -/// is visible. -/// -/// @param c character to check -static bool ins_compl_accept_char(int c) - FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT -{ - 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_CMDLINE_CTRL_X: - 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) && !ascii_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 -/// -/// @param[in] cont_s_ipos next ^X<> will set initial_pos -int ins_compl_add_infercase(char_u *str_arg, int len, bool icase, char_u *fname, Direction dir, - bool cont_s_ipos) - FUNC_ATTR_NONNULL_ARG(1) -{ - char_u *str = str_arg; - int i, c; - int actual_len; // Take multi-byte characters - int actual_compl_length; // into account. - int min_len; - bool has_lower = false; - bool 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. - { - const char_u *p = str; - actual_len = 0; - while (*p != NUL) { - MB_PTR_ADV(p); - actual_len++; - } - } - - // Find actual length of original text. - { - const char_u *p = compl_orig_text; - actual_compl_length = 0; - while (*p != NUL) { - MB_PTR_ADV(p); - actual_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. - int *const wca = xmalloc((size_t)actual_len * sizeof(*wca)); - { - const char_u *p = str; - for (i = 0; i < actual_len; i++) { - wca[i] = mb_ptr2char_adv(&p); - } - } - - // Rule 1: Were any chars converted to lower? - { - const char_u *p = compl_orig_text; - for (i = 0; i < min_len; i++) { - c = mb_ptr2char_adv(&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) { - const char_u *p = compl_orig_text; - for (i = 0; i < min_len; i++) { - c = mb_ptr2char_adv(&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. - { - const char_u *p = compl_orig_text; - for (i = 0; i < min_len; i++) { - c = mb_ptr2char_adv(&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. - { - char_u *p = IObuff; - i = 0; - while (i < actual_len && (p - IObuff + 6) < IOSIZE) { - p += utf_char2bytes(wca[i++], (char *)p); - } - *p = NUL; - } - - xfree(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, false, NULL, dir, flags, false); -} - -/// Add a match to the list of matches -/// -/// @param[in] str Match to add. -/// @param[in] len Match length, -1 to use #STRLEN. -/// @param[in] fname File name match comes from. May be NULL. -/// @param[in] cptext Extra text for popup menu. May be NULL. If not NULL, -/// must have exactly #CPT_COUNT items. -/// @param[in] cptext_allocated If true, will not copy cptext strings. -/// -/// @note Will free strings in case of error. -/// cptext itself will not be freed. -/// @param[in] cdir Completion direction. -/// @param[in] adup True if duplicate matches are to be accepted. -/// -/// @return NOTDONE if the given string is already in the list of completions, -/// otherwise it is added to the list and OK is returned. FAIL will be -/// returned in case of error. -static int ins_compl_add(char_u *const str, int len, char_u *const fname, - char_u *const *const cptext, const bool cptext_allocated, - typval_T *user_data, const Direction cdir, int flags_arg, const bool adup) - FUNC_ATTR_NONNULL_ARG(1) -{ - compl_T *match; - const Direction dir = (cdir == kDirectionNotSet ? compl_direction : cdir); - int flags = flags_arg; - - if (flags & CP_FAST) { - fast_breakcheck(); - } else { - os_breakcheck(); - } -#define FREE_CPTEXT(cptext, cptext_allocated) \ - do { \ - if ((cptext) != NULL && (cptext_allocated)) { \ - for (size_t i = 0; i < CPT_COUNT; i++) { \ - xfree((cptext)[i]); \ - } \ - } \ - } while (0) - if (got_int) { - FREE_CPTEXT(cptext, cptext_allocated); - 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) { - FREE_CPTEXT(cptext, cptext_allocated); - 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 = xcalloc(1, sizeof(compl_T)); - match->cp_number = -1; - if (flags & CP_ORIGINAL_TEXT) { - match->cp_number = 0; - } - match->cp_str = vim_strnsave(str, (size_t)len); - - // 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) { - continue; - } - if (*cptext[i] != NUL) { - match->cp_text[i] = (cptext_allocated - ? cptext[i] - : (char_u *)xstrdup((char *)cptext[i])); - } else if (cptext_allocated) { - xfree(cptext[i]); - } - } - } - - if (user_data != NULL) { - match->cp_user_data = *user_data; - } - - /* - * 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; -} - -/// Check that "str[len]" matches with "match->cp_str", considering -/// "match->cp_flags". -/// -/// @param match completion match -/// @param str character string to check -/// @param len length of "str" -static bool ins_compl_equal(compl_T *match, char_u *str, size_t len) - FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL -{ - if (match->cp_flags & CP_EQUAL) { - return true; - } - if (match->cp_flags & CP_ICASE) { - return STRNICMP(match->cp_str, str, len) == 0; - } - return STRNCMP(match->cp_str, str, 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); - 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) { - c1 = utf_ptr2char((char *)p); - c2 = utf_ptr2char((char *)s); - - if ((match->cp_flags & CP_ICASE) - ? (mb_tolower(c1) != mb_tolower(c2)) - : (c1 != c2)) { - break; - } - MB_PTR_ADV(p); - MB_PTR_ADV(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) - FUNC_ATTR_NONNULL_ALL -{ - int add_r = OK; - Direction dir = compl_direction; - - for (int i = 0; i < num_matches && add_r != FAIL; i++) { - if ((add_r = ins_compl_add(matches[i], -1, NULL, NULL, false, NULL, dir, - CP_FAST | (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; -} - -// 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 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(get_cursor_line_ptr() + compl_col, - (size_t)compl_length); - if (p_ic) { - flags |= CP_ICASE; - } - if (ins_compl_add(compl_orig_text, -1, NULL, NULL, false, NULL, 0, - flags | CP_FAST, 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; - int save_w_wrow = curwin->w_wrow; - int save_w_leftcol = curwin->w_leftcol; - - compl_curr_match = compl_first_match; - if (compl_no_insert || compl_no_select) { - ins_complete(K_DOWN, false); - if (compl_no_select) { - 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); - } - - may_trigger_modechanged(); - ui_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; - -/* - * Remove any popup menu. - */ -static void ins_compl_del_pum(void) -{ - if (compl_match_array != NULL) { - pum_undisplay(false); - XFREE_CLEAR(compl_match_array); - } -} - -/// Check if the popup menu should be displayed. -static bool pum_wanted(void) - FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT -{ - // "completeopt" must contain "menu" or "menuone" - return vim_strchr((char *)p_cot, 'm') != NULL; -} - -/// Check that there are two or more matches to be shown in the popup menu. -/// One if "completopt" contains "menuone". -static bool pum_enough_matches(void) - FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT -{ - // Don't display the popup menu if there are no matches or there is only - // one (ignoring the original text). - compl_T *comp = compl_first_match; - int i = 0; - do { - if (comp == NULL - || ((comp->cp_flags & CP_ORIGINAL_TEXT) == 0 && ++i == 2)) { - break; - } - comp = comp->cp_next; - } while (comp != compl_first_match); - - if (strstr((char *)p_cot, "menuone") != NULL) { - return i >= 1; - } - return i >= 2; -} - -static void trigger_complete_changed_event(int cur) -{ - static bool recursive = false; - save_v_event_T save_v_event; - - if (recursive) { - return; - } - - dict_T *v_event = get_v_event(&save_v_event); - if (cur < 0) { - tv_dict_add_dict(v_event, S_LEN("completed_item"), tv_dict_alloc()); - } else { - dict_T *item = ins_compl_dict_alloc(compl_curr_match); - tv_dict_add_dict(v_event, S_LEN("completed_item"), item); - } - pum_set_event_info(v_event); - tv_dict_set_keys_readonly(v_event); - - recursive = true; - textlock++; - apply_autocmds(EVENT_COMPLETECHANGED, NULL, NULL, false, curbuf); - textlock--; - recursive = false; - - restore_v_event(v_event, &save_v_event); -} - -/// 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; - bool did_find_shown_match = false; - bool shown_match_ok = false; - int i; - int cur = -1; - colnr_T col; - int lead_len = 0; - bool array_changed = false; - - if (!pum_wanted() || !pum_enough_matches()) { - return; - } - - // Dirty hard-coded hack: remove any matchparen highlighting. - do_cmdline_cmd("if exists('g:loaded_matchparen')|3match none|endif"); - - // Update the screen before drawing the popup menu over it. - update_screen(0); - - if (compl_match_array == NULL) { - array_changed = true; - // Need to build the popup menu list. - compl_match_arraysize = 0; - compl = compl_first_match; - // - // If it's user complete function and refresh_always, - // do not use "compl_leader" as prefix filter. - // - if (ins_compl_need_restart()) { - XFREE_CLEAR(compl_leader); - } - 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, (size_t)lead_len))) { - compl_match_arraysize++; - } - compl = compl->cp_next; - } while (compl != NULL && compl != compl_first_match); - if (compl_match_arraysize == 0) { - return; - } - - assert(compl_match_arraysize >= 0); - compl_match_array = xcalloc((size_t)compl_match_arraysize, sizeof(pumitem_T)); - // 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, (size_t)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; - } - } - } - - // 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_selected_item = cur; - pum_display(compl_match_array, compl_match_arraysize, cur, array_changed, 0); - curwin->w_cursor.col = col; - - if (has_event(EVENT_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. -/// -/// @param flags DICT_FIRST and/or DICT_EXACT -/// @param thesaurus Thesaurus completion -static void ins_compl_dictionaries(char_u *dict_start, char_u *pat, int flags, int thesaurus) -{ - char_u *dict = dict_start; - char_u *ptr; - char_u *buf; - regmatch_T regmatch; - char_u **files; - int count; - int save_p_scs; - Direction dir = compl_direction; - - if (*dict == NUL) { - /* When 'dictionary' is empty and spell checking is enabled use - * "spell". */ - if (!thesaurus && curwin->w_p_spell) { - dict = (char_u *)"spell"; - } else { - return; - } - } - - buf = xmalloc(LSIZE); - 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(ctrl_x_mode)) { - char_u *pat_esc = vim_strsave_escaped(pat, (char_u *)"\\"); - - size_t len = STRLEN(pat_esc) + 10; - ptr = xmalloc(len); - vim_snprintf((char *)ptr, len, "^\\s*\\zs\\V%s", pat_esc); - regmatch.regprog = vim_regcomp((char *)ptr, RE_MAGIC); - xfree(pat_esc); - xfree(ptr); - } else { - regmatch.regprog = vim_regcomp((char *)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((char **)&dict, (char *)buf, LSIZE, ","); - if (!thesaurus && STRCMP(buf, "spell") == 0) { - count = -1; - } else if (vim_strchr((char *)buf, '`') != NULL - || expand_wildcards(1, &buf, &count, &files, - EW_FILE|EW_SILENT) != OK) { - count = 0; - } - } - - 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 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); - xfree(buf); -} - -static void ins_compl_files(int count, char_u **files, int thesaurus, int flags, - regmatch_T *regmatch, char_u *buf, Direction *dir) - FUNC_ATTR_NONNULL_ARG(2, 7) -{ - char_u *ptr; - int i; - FILE *fp; - int add_r; - - for (i = 0; i < count && !got_int && !compl_interrupted; i++) { - fp = os_fopen((char *)files[i], "r"); // open dictionary file - if (flags != DICT_EXACT) { - msg_hist_off = true; // reset in msg_trunc_attr() - 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) { - continue; - } - /* - * 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, (char *)buf, (colnr_T)(ptr - buf))) { - ptr = regmatch->startp[0]; - if (CTRL_X_MODE_LINE_OR_EVAL(ctrl_x_mode)) { - 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. - // Japanese words may have characters in - // different classes, only separate words - // with single-byte non-word characters. - while (*ptr != NUL) { - const int l = utfc_ptr2len((char *)ptr); - - if (l < 2 && !vim_iswordc(*ptr)) { - break; - } - ptr += l; - } - - // 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) - FUNC_ATTR_PURE -{ - while (*ptr != NUL && *ptr != '\n' && mb_get_class(ptr) <= 1) { - ptr += utfc_ptr2len((char *)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) - FUNC_ATTR_PURE -{ - const int start_class = mb_get_class(ptr); - if (start_class > 1) { - while (*ptr != NUL) { - ptr += utfc_ptr2len((char *)ptr); - if (mb_get_class(ptr) != start_class) { - break; - } - } - } - 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; - - XFREE_CLEAR(compl_pattern); - XFREE_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; - xfree(match->cp_str); - // several entries may use the same fname, free it just once. - if (match->cp_flags & CP_FREE_FNAME) { - xfree(match->cp_fname); - } - for (int i = 0; i < CPT_COUNT; i++) { - xfree(match->cp_text[i]); - } - tv_clear(&match->cp_user_data); - xfree(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; -} - -static void ins_compl_clear(void) -{ - compl_cont_status = 0; - compl_started = false; - compl_matches = 0; - XFREE_CLEAR(compl_pattern); - XFREE_CLEAR(compl_leader); - edit_submode_extra = NULL; - XFREE_CLEAR(compl_orig_text); - compl_enter_selects = false; - // clear v:completed_item - set_vim_var_dict(VV_COMPLETED_ITEM, tv_dict_alloc_lock(VAR_FIXED)); -} - -/// Check that Insert completion is active. -bool ins_compl_active(void) - FUNC_ATTR_PURE -{ - return compl_started; -} - -static void ins_compl_update_sequence_numbers(void) -{ - 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 - assert(compl_direction == 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; - } - } - } -} - -// Get complete information -void get_complete_info(list_T *what_list, dict_T *retdict) -{ -#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 (listitem_T *item = tv_list_first(what_list) - ; item != NULL - ; item = TV_LIST_ITEM_NEXT(what_list, item)) { - const char *what = tv_get_string(TV_LIST_ITEM_TV(item)); - - 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; - } - } - } - - int ret = OK; - if (what_flag & CI_WHAT_MODE) { - ret = tv_dict_add_str(retdict, S_LEN("mode"), - (char *)ins_compl_mode()); - } - - if (ret == OK && (what_flag & CI_WHAT_PUM_VISIBLE)) { - ret = tv_dict_add_nr(retdict, S_LEN("pum_visible"), pum_visible()); - } - - if (ret == OK && (what_flag & CI_WHAT_ITEMS)) { - list_T *li = tv_list_alloc(ins_compl_len()); - - ret = tv_dict_add_list(retdict, S_LEN("items"), li); - if (ret == OK && compl_first_match != NULL) { - compl_T *match = compl_first_match; - do { - if (!(match->cp_flags & CP_ORIGINAL_TEXT)) { - dict_T *di = tv_dict_alloc(); - - tv_list_append_dict(li, di); - tv_dict_add_str(di, S_LEN("word"), EMPTY_IF_NULL(match->cp_str)); - tv_dict_add_str(di, S_LEN("abbr"), EMPTY_IF_NULL(match->cp_text[CPT_ABBR])); - tv_dict_add_str(di, S_LEN("menu"), EMPTY_IF_NULL(match->cp_text[CPT_MENU])); - tv_dict_add_str(di, S_LEN("kind"), EMPTY_IF_NULL(match->cp_text[CPT_KIND])); - tv_dict_add_str(di, S_LEN("info"), EMPTY_IF_NULL(match->cp_text[CPT_INFO])); - if (match->cp_user_data.v_type == VAR_UNKNOWN) { - tv_dict_add_str(di, S_LEN("user_data"), ""); - } else { - tv_dict_add_tv(di, S_LEN("user_data"), &match->cp_user_data); - } - } - match = match->cp_next; - } while (match != NULL && match != compl_first_match); - } - } - - if (ret == OK && (what_flag & CI_WHAT_SELECTED)) { - if (compl_curr_match != NULL && compl_curr_match->cp_number == -1) { - ins_compl_update_sequence_numbers(); - } - ret = tv_dict_add_nr(retdict, S_LEN("selected"), - (compl_curr_match != NULL) - ? compl_curr_match->cp_number - 1 : -1); - } - - (void)ret; - // TODO(vim): - // 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 || ctrl_x_mode == CTRL_X_SCROLL || compl_started) { - return (char_u *)ctrl_x_mode_names[ctrl_x_mode & ~CTRL_X_WANT_IDENT]; - } - return (char_u *)""; -} - -/* - * 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. - */ -static int ins_compl_bs(void) -{ - char_u *line = get_cursor_line_ptr(); - char_u *p = line + curwin->w_cursor.col; - MB_PTR_BACK(line, p); - ptrdiff_t p_off = p - line; - - // 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(); - } - - // ins_compl_restart() calls update_screen(0) which may invalidate the pointer - // TODO(bfredl): get rid of random update_screen() calls deep inside completion logic - line = get_cursor_line_ptr(); - - xfree(compl_leader); - compl_leader = vim_strnsave(line + compl_col, (size_t)(p_off - (ptrdiff_t)compl_col)); - 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; -} - -/// Check that we need to find matches again, ins_compl_restart() is to -/// be called. -static bool ins_compl_need_restart(void) - FUNC_ATTR_PURE -{ - // 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 { - spell_bad_len = 0; // need to redetect bad word - // Matches were cleared, need to search for them now. - // Set "compl_restarting" to avoid that the first match is inserted. - 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. - * Don't let Enter select when use user function and refresh_always is set */ - if (compl_match_array == NULL || ins_compl_need_restart()) { - 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. - */ -static void ins_compl_addleader(int c) -{ - int cc; - - if (stop_arrow() == FAIL) { - return; - } - if ((cc = utf_char2len(c)) > 1) { - char buf[MB_MAXBYTES + 1]; - - utf_char2bytes(c, (char *)buf); - buf[cc] = NUL; - ins_char_bytes((char_u *)buf, (size_t)cc); - } else { - ins_char(c); - } - - // If we didn't complete finding matches we must search again. - if (ins_compl_need_restart()) { - ins_compl_restart(); - } - - xfree(compl_leader); - compl_leader = vim_strnsave(get_cursor_line_ptr() + compl_col, - (size_t)(curwin->w_cursor.col - compl_col)); - 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) -{ - /* update screen before restart. - * so if complete is blocked, - * will stay to the last popup menu and reduce flicker */ - update_screen(0); - 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) - FUNC_ATTR_NONNULL_ALL -{ - // 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 - xfree(compl_first_match->cp_str); - compl_first_match->cp_str = vim_strsave(str); - } else if (compl_first_match->cp_prev != NULL - && (compl_first_match->cp_prev->cp_flags & CP_ORIGINAL_TEXT)) { - xfree(compl_first_match->cp_prev->cp_str); - compl_first_match->cp_prev->cp_str = vim_strsave(str); - } -} - -/* - * Append one character to the match leader. May reduce the number of - * matches. - */ -static void ins_compl_addfrommatch(void) -{ - char_u *p; - int len = (int)curwin->w_cursor.col - (int)compl_col; - int c; - compl_T *cp; - assert(compl_shown_match != NULL); - 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, STRLEN(compl_leader))) { - p = cp->cp_str; - break; - } - } - if (p == NULL || (int)STRLEN(p) <= len) { - return; - } - } else { - return; - } - } - p += len; - c = utf_ptr2char((char *)p); - ins_compl_addleader(c); -} - -/// Prepare for Insert mode completion, or stop it. -/// Called just after typing a character in Insert mode. -/// -/// @param c character that was typed -/// -/// @return true when the character is not to be inserted; -static bool ins_compl_prep(int c) -{ - char_u *ptr; - bool retval = false; - const int prev_mode = ctrl_x_mode; - - /* 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 || c == K_EVENT - || c == K_COMMAND || c == K_LUA) { - return retval; - } - - if (ctrl_x_mode == CTRL_X_CMDLINE_CTRL_X && c != Ctrl_X) { - if (c == Ctrl_V || c == Ctrl_Q || c == Ctrl_Z || ins_compl_pum_key(c) - || !vim_is_ctrl_x_key(c)) { - // Not starting another completion mode. - ctrl_x_mode = CTRL_X_CMDLINE; - - // CTRL-X CTRL-Z should stop completion without inserting anything - if (c == Ctrl_Z) { - retval = true; - } - } else { - ctrl_x_mode = CTRL_X_CMDLINE; - - // Other CTRL-X keys first stop completion, then start another - // completion mode. - ins_compl_prep(' '); - ctrl_x_mode = CTRL_X_NOT_DEFINED_YET; - } - } - - // 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; - case Ctrl_U: - ctrl_x_mode = CTRL_X_FUNCTION; - break; - case Ctrl_O: - ctrl_x_mode = CTRL_X_OMNI; - break; - case 's': - case Ctrl_S: - ctrl_x_mode = CTRL_X_SPELL; - emsg_off++; // Avoid getting the E756 error twice. - spell_back_to_badword(); - emsg_off--; - break; - case Ctrl_RSB: - ctrl_x_mode = CTRL_X_TAGS; - break; - 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; - case Ctrl_V: - case Ctrl_Q: - ctrl_x_mode = CTRL_X_CMDLINE; - break; - case Ctrl_Z: - ctrl_x_mode = CTRL_X_NORMAL; - edit_submode = NULL; - showmode(); - retval = true; - 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); - } - - bool want_cindent = (can_cindent && cindent_on()); - - // When completing whole lines: fix indent for 'cindent'. - // Otherwise, break line if it's too long. - if (compl_cont_mode == CTRL_X_WHOLE_LINE) { - // re-indent the current line - if (want_cindent) { - do_c_expr_indent(); - want_cindent = false; // don't do it again - } - } else { - int prev_col = curwin->w_cursor.col; - - // put the cursor on the last char, for 'tw' formatting - if (prev_col > 0) { - dec_cursor(); - } - - if (!arrow_used && !ins_need_undo && c != Ctrl_E) { - insertchar(NUL, 0, -1); - } - - if (prev_col > 0 - && get_cursor_line_ptr()[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); - - // Trigger the CompleteDonePre event to give scripts a chance to - // act upon the completion before clearing the info, and restore - // ctrl_x_mode, so that complete_info() can be used. - ctrl_x_mode = prev_mode; - ins_apply_autocmds(EVENT_COMPLETEDONEPRE); - - 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(); - } - - // Avoid the popup menu remains displayed when leaving the - // command line window. - if (c == Ctrl_C && cmdwin_type != 0) { - update_screen(0); - } - - /* - * Indent now if a key was typed that is in 'cinkeys'. - */ - if (want_cindent && in_cinkeys(KEY_COMPLETE, ' ', inindent(0))) { - do_c_expr_indent(); - } - // Trigger the CompleteDone event to give scripts a chance to act - // upon the end of 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); - } - - may_trigger_modechanged(); - - /* 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 -= utf_head_off(p, p + len); - } - for (p += len; *p != NUL; MB_PTR_ADV(p)) { - AppendCharToRedobuff(K_BS); - } - } else { - len = 0; - } - AppendToRedobuffLit((char *)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; - } - assert(wp); - 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; -} - -/// Get the user-defined completion function name for completion 'type' -static char_u *get_complete_funcname(int type) -{ - switch (type) { - case CTRL_X_FUNCTION: - return curbuf->b_p_cfu; - case CTRL_X_OMNI: - return curbuf->b_p_ofu; - case CTRL_X_THESAURUS: - return *curbuf->b_p_tsrfu == NUL ? p_tsrfu : curbuf->b_p_tsrfu; - default: - return (char_u *)""; - } -} - -/// Execute user defined complete function 'completefunc' or 'omnifunc', and -/// get matches in "matches". -/// -/// @param type CTRL_X_OMNI or CTRL_X_FUNCTION -static void expand_by_function(int type, char_u *base) -{ - list_T *matchlist = NULL; - dict_T *matchdict = NULL; - char_u *funcname; - pos_T pos; - typval_T rettv; - const int save_State = State; - - assert(curbuf != NULL); - funcname = get_complete_funcname(type); - if (*funcname == NUL) { - return; - } - - // Call 'completefunc' to obtain the list of matches. - typval_T args[3]; - args[0].v_type = VAR_NUMBER; - args[1].v_type = VAR_STRING; - args[2].v_type = VAR_UNKNOWN; - args[0].vval.v_number = 0; - args[1].vval.v_string = base != NULL ? (char *)base : ""; - - pos = curwin->w_cursor; - // Lock the text to avoid weird things from happening. Also disallow - // switching to another window, it should not be needed and may end up in - // Insert mode in another buffer. - textlock++; - - // Call a function, which returns a list or dict. - if (call_vim_function((char *)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: - FALLTHROUGH; - default: - // TODO(brammool): Give error message? - tv_clear(&rettv); - break; - } - } - textlock--; - - curwin->w_cursor = pos; // restore the cursor position - validate_cursor(); - if (!equalpos(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) { - tv_dict_unref(matchdict); - } - if (matchlist != NULL) { - tv_list_unref(matchlist); - } -} - -/* - * Add completions from a list. - */ -static void ins_compl_add_list(list_T *const list) -{ - Direction dir = compl_direction; - - // Go through the List with matches and add each of them. - TV_LIST_ITER(list, li, { - if (ins_compl_add_tv(TV_LIST_ITEM_TV(li), dir, true) == 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 = tv_dict_find(dict, S_LEN("refresh")); - if (di_refresh != NULL && di_refresh->di_tv.v_type == VAR_STRING) { - const char *v = (const char *)di_refresh->di_tv.vval.v_string; - - if (v != NULL && strcmp(v, "always") == 0) { - compl_opt_refresh_always = true; - } - } - - // Add completions from a "words" list. - di_words = tv_dict_find(dict, S_LEN("words")); - 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 VimL object -/// -/// @param[in] tv Object to get matches from. -/// @param[in] dir Completion direction. -/// @param[in] fast use fast_breakcheck() instead of os_breakcheck(). -/// -/// @return NOTDONE if the given string is already in the list of completions, -/// otherwise it is added to the list and OK is returned. FAIL will be -/// returned in case of error. -int ins_compl_add_tv(typval_T *const tv, const Direction dir, bool fast) - FUNC_ATTR_NONNULL_ALL -{ - const char *word; - bool dup = false; - bool empty = false; - int flags = fast ? CP_FAST : 0; - char *(cptext[CPT_COUNT]); - typval_T user_data; - - user_data.v_type = VAR_UNKNOWN; - if (tv->v_type == VAR_DICT && tv->vval.v_dict != NULL) { - word = tv_dict_get_string(tv->vval.v_dict, "word", false); - cptext[CPT_ABBR] = tv_dict_get_string(tv->vval.v_dict, "abbr", true); - cptext[CPT_MENU] = tv_dict_get_string(tv->vval.v_dict, "menu", true); - cptext[CPT_KIND] = tv_dict_get_string(tv->vval.v_dict, "kind", true); - cptext[CPT_INFO] = tv_dict_get_string(tv->vval.v_dict, "info", true); - tv_dict_get_tv(tv->vval.v_dict, "user_data", &user_data); - - if (tv_dict_get_number(tv->vval.v_dict, "icase")) { - flags |= CP_ICASE; - } - dup = (bool)tv_dict_get_number(tv->vval.v_dict, "dup"); - empty = (bool)tv_dict_get_number(tv->vval.v_dict, "empty"); - if (tv_dict_get_string(tv->vval.v_dict, "equal", false) != NULL - && tv_dict_get_number(tv->vval.v_dict, "equal")) { - flags |= CP_EQUAL; - } - } else { - word = tv_get_string_chk(tv); - memset(cptext, 0, sizeof(cptext)); - } - if (word == NULL || (!empty && *word == NUL)) { - for (size_t i = 0; i < CPT_COUNT; i++) { - xfree(cptext[i]); - } - return FAIL; - } - return ins_compl_add((char_u *)word, -1, NULL, - (char_u **)cptext, true, &user_data, dir, flags, dup); -} - -/// Returns true when using a user-defined function for thesaurus completion. -static bool thesaurus_func_complete(int type) -{ - return type == CTRL_X_THESAURUS - && (*curbuf->b_p_tsrfu != NUL || *p_tsrfu != NUL); -} - -// 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 bool 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; - bool 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; - bool set_match_pos; - pos_T prev_pos = { 0, 0, 0 }; - int l_ctrl_x_mode = ctrl_x_mode; - - assert(curbuf != NULL); - - if (!compl_started) { - FOR_ALL_BUFFERS(buf) { - buf->b_scanned = false; - } - 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; - - assert(l_ctrl_x_mode == ctrl_x_mode); - - // 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 ((l_ctrl_x_mode == CTRL_X_NORMAL - || CTRL_X_MODE_LINE_OR_EVAL(l_ctrl_x_mode)) - && (!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("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 = (char_u *)ins_buf->b_fname; - dict_f = DICT_EXACT; - } - msg_hist_off = true; // reset in msg_trunc_attr() - 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(l_ctrl_x_mode)) { - 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; - } - } else if (*e_cpt == 'i') { - type = CTRL_X_PATH_PATTERNS; - } else if (*e_cpt == 'd') { - type = CTRL_X_PATH_DEFINES; - } else if (*e_cpt == ']' || *e_cpt == 't') { - msg_hist_off = true; // reset in msg_trunc_attr() - type = CTRL_X_TAGS; - vim_snprintf((char *)IObuff, IOSIZE, "%s", _("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((char **)&e_cpt, (char *)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; - case CTRL_X_PATH_PATTERNS: - case CTRL_X_PATH_DEFINES: - find_pattern_in_path(compl_pattern, compl_direction, - STRLEN(compl_pattern), FALSE, FALSE, - ((type == CTRL_X_PATH_DEFINES - && !(compl_cont_status & CONT_SOL)) - ? FIND_DEFINE - : FIND_ANY), - 1L, ACTION_EXPAND, 1, MAXLNUM); - break; - - case CTRL_X_DICTIONARY: - case CTRL_X_THESAURUS: - if (thesaurus_func_complete(type)) { - expand_by_function(type, compl_pattern); - } else { - 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 - | (l_ctrl_x_mode != CTRL_X_NORMAL ? TAG_VERBOSE : 0), - TAG_MANY, (char_u *)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); -#ifdef BACKSLASH_IN_FILENAME - if (curbuf->b_p_csl[0] != NUL) { - for (int i = 0; i < num_matches; i++) { - char_u *ptr = matches[i]; - while (*ptr != NUL) { - if (curbuf->b_p_csl[0] == 's' && *ptr == '\\') { - *ptr = '/'; - } else if (curbuf->b_p_csl[0] == 'b' && *ptr == '/') { - *ptr = '\\'; - } - ptr += utfc_ptr2len(ptr); - } - } - } -#endif - ins_compl_add_matches(num_matches, matches, p_fic || p_wic); - } - break; - - case CTRL_X_CMDLINE: - case CTRL_X_CMDLINE_CTRL_X: - 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; - - case CTRL_X_FUNCTION: - case CTRL_X_OMNI: - expand_by_function(type, compl_pattern); - break; - - case CTRL_X_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); - } - break; - - default: // normal ^P/^N and ^X^L - // If 'infercase' is set, don't use 'smartcase' here - save_p_scs = p_scs; - assert(ins_buf); - 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; - } - bool looped_around = false; - for (;;) { - bool cont_s_ipos = false; - - msg_silent++; // Don't want messages for wrapscan. - // CTRL_X_MODE_LINE_OR_EVAL(l_ctrl_x_mode) || word-wise search that - // has added a word that was at the beginning of the line. - if (CTRL_X_MODE_LINE_OR_EVAL(l_ctrl_x_mode) - || (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, 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; - } else if ((compl_direction == FORWARD) - && (prev_pos.lnum > pos->lnum - || (prev_pos.lnum == pos->lnum - && prev_pos.col >= pos->col))) { - if (looped_around) { - found_new_match = FAIL; - } else { - looped_around = true; - } - } else if ((compl_direction != FORWARD) - && (prev_pos.lnum < pos->lnum - || (prev_pos.lnum == pos->lnum - && prev_pos.col <= pos->col))) { - if (looped_around) { - found_new_match = FAIL; - } else { - looped_around = true; - } - } - prev_pos = *pos; - 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(l_ctrl_x_mode)) { - 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 = (char_u *)skipwhite((char *)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 = (char_u *)skipwhite((char *)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] == '.' - || 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; - } - STRLCPY(IObuff + len, ptr, IOSIZE - len); - 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 : (char_u *)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 l_ctrl_x_mode == CTRL_X_NORMAL) or when we've found a new match - if ((l_ctrl_x_mode != CTRL_X_NORMAL - && !CTRL_X_MODE_LINE_OR_EVAL(l_ctrl_x_mode)) - || 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 ((l_ctrl_x_mode != CTRL_X_NORMAL - && !CTRL_X_MODE_LINE_OR_EVAL(l_ctrl_x_mode)) - || 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) { - assert(ins_buf); - ins_buf->b_scanned = true; - } - - compl_started = false; - } - } - compl_started = true; - - if ((l_ctrl_x_mode == CTRL_X_NORMAL - || CTRL_X_MODE_LINE_OR_EVAL(l_ctrl_x_mode)) - && *e_cpt == NUL) { // Got to end of 'complete' - found_new_match = FAIL; - } - - i = -1; // total of matches, unknown - if (found_new_match == FAIL - || (l_ctrl_x_mode != CTRL_X_NORMAL - && !CTRL_X_MODE_LINE_OR_EVAL(l_ctrl_x_mode))) { - 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; - } - } - may_trigger_modechanged(); - - return i; -} - -// Delete the old text being completed. -static 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(vim): 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, tv_dict_alloc_lock(VAR_FIXED)); -} - -// Insert the new text being completed. -// "in_compl_func" is TRUE when called from complete_check(). -static void ins_compl_insert(int in_compl_func) -{ - ins_bytes(compl_shown_match->cp_str + ins_compl_len()); - compl_used_match = !(compl_shown_match->cp_flags & CP_ORIGINAL_TEXT); - - dict_T *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; - } -} - -// Convert to complete item dict -static dict_T *ins_compl_dict_alloc(compl_T *match) -{ - // { word, abbr, menu, kind, info } - dict_T *dict = tv_dict_alloc_lock(VAR_FIXED); - tv_dict_add_str(dict, S_LEN("word"), EMPTY_IF_NULL(match->cp_str)); - tv_dict_add_str(dict, S_LEN("abbr"), EMPTY_IF_NULL(match->cp_text[CPT_ABBR])); - tv_dict_add_str(dict, S_LEN("menu"), EMPTY_IF_NULL(match->cp_text[CPT_MENU])); - tv_dict_add_str(dict, S_LEN("kind"), EMPTY_IF_NULL(match->cp_text[CPT_KIND])); - tv_dict_add_str(dict, S_LEN("info"), EMPTY_IF_NULL(match->cp_text[CPT_INFO])); - if (match->cp_user_data.v_type == VAR_UNKNOWN) { - tv_dict_add_str(dict, S_LEN("user_data"), ""); - } else { - tv_dict_add_tv(dict, S_LEN("user_data"), &match->cp_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. -/// -/// @param count Repeat completion this many times; should be at least 1 -/// @param insert_match Insert the newly selected match -/// @param in_compl_func Called from complete_check() -static int ins_compl_next(int allow_get_expansion, int count, int insert_match, int in_compl_func) -{ - int num_matches = -1; - int todo = count; - compl_T *found_compl = NULL; - bool found_end = false; - const bool 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, 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, 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, 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. - bool 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, 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) { - // redraw to show the user what was inserted - update_screen(0); - - // display the updated popup menu - ins_compl_show_pum(); - - // 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(lead) - 2; - char *s; - char *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 = (char *)compl_shown_match->cp_fname; *e != NUL; MB_PTR_ADV(e)) { - space -= ptr2cells(e); - while (space < 0) { - space += ptr2cells(s); - MB_PTR_ADV(s); - } - } - msg_hist_off = true; - vim_snprintf((char *)IObuff, IOSIZE, "%s %s%s", lead, - (char_u *)s > compl_shown_match->cp_fname ? "<" : "", s); - msg((char *)IObuff); - msg_hist_off = false; - redraw_cmdline = false; // don't overwrite! - } - } - - return num_matches; -} - -void pum_ext_select_item(int item, bool insert, bool finish) -{ - if (!pum_visible() || item < -1 || item >= compl_match_arraysize) { - return; - } - pum_want.active = true; - pum_want.item = item; - pum_want.insert = insert; - pum_want.finish = finish; -} - -// 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; - - // 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. */ - int 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 == K_EVENT || c == K_COMMAND || c == K_LUA) { - return pum_want.item < pum_selected_item ? BACKWARD : FORWARD; - } - if (c == Ctrl_P || c == Ctrl_L - || c == K_PAGEUP || c == K_KPAGEUP - || c == K_S_UP || c == K_UP) { - return BACKWARD; - } - return FORWARD; -} - -/// Check that "c" is a valid completion key only while the popup menu is shown -/// -/// @param c character to check -static bool ins_compl_pum_key(int c) - FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT -{ - 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 (c == K_EVENT || c == K_COMMAND || c == K_LUA) { - int offset = pum_want.item - pum_selected_item; - return abs(offset); - } - - 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; -} - -/// Check that completion with "c" should insert the match, false if only -/// to change the currently selected completion. -/// -/// @param c character to check -static bool ins_compl_use_match(int c) - FUNC_ATTR_CONST FUNC_ATTR_WARN_UNUSED_RESULT -{ - 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; - case K_EVENT: - case K_COMMAND: - case K_LUA: - return pum_want.active && pum_want.insert; - } - 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. - */ -static int ins_complete(int c, bool 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; - const bool 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; - did_si = false; - can_si = false; - can_si_back = false; - 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 below. - 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)((char_u *)skipwhite((char *)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(ctrl_x_mode)) { - 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 - && !thesaurus_func_complete(ctrl_x_mode))) { - 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, (size_t)compl_length); - } - } else if (compl_cont_status & CONT_ADDING) { - char_u *prefix = (char_u *)"\\<"; - - // we need up to 2 extra chars for the prefix - compl_pattern = xmalloc(quote_meta(NULL, line + compl_col, - compl_length) + 2); - if (!vim_iswordp(line + compl_col) - || (compl_col > 0 - && ( - vim_iswordp(mb_prevptr(line, line + compl_col)) - ))) { - prefix = (char_u *)""; - } - STRCPY(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"); - 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. - startcol -= utf_head_off(line, line + startcol); - int base_class = mb_get_class(line + startcol); - while (--startcol >= 0) { - int head_off = utf_head_off(line, line + startcol); - if (base_class != mb_get_class(line + startcol - head_off)) { - break; - } - startcol -= head_off; - } - 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, - * xmalloc(7) is enough -- Acevedo - */ - compl_pattern = xmalloc(7); - STRCPY(compl_pattern, "\\<"); - (void)quote_meta(compl_pattern + 2, line + compl_col, 1); - STRCAT(compl_pattern, "\\k"); - } else { - compl_pattern = xmalloc(quote_meta(NULL, line + compl_col, - compl_length) + 2); - STRCPY(compl_pattern, "\\<"); - (void)quote_meta(compl_pattern + 2, line + compl_col, - compl_length); - } - } - } else if (CTRL_X_MODE_LINE_OR_EVAL(ctrl_x_mode)) { - 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, (size_t)compl_length); - } - } 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(utf_ptr2char((char *)p))) { - MB_PTR_BACK(line, p); - } - if (p == line && vim_isfilec(utf_ptr2char((char *)p))) { - startcol = 0; - } else { - startcol = (int)(p - line) + 1; - } - } - - compl_col += startcol; - compl_length = (int)curs_col - startcol; - compl_pattern = addstar(line + compl_col, (size_t)compl_length, EXPAND_FILES); - } else if (ctrl_x_mode == CTRL_X_CMDLINE || ctrl_x_mode == CTRL_X_CMDLINE_CTRL_X) { - compl_pattern = vim_strnsave(line, (size_t)curs_col); - 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)((char_u *)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 - || thesaurus_func_complete(ctrl_x_mode)) { - // Call user defined function 'completefunc' with "a:findstart" - // set to 1 to obtain the length of text to use for completion. - char_u *funcname; - pos_T pos; - const int save_State = State; - - // Call 'completefunc' or 'omnifunc' and get pattern length as a string - funcname = get_complete_funcname(ctrl_x_mode); - 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; - } - - typval_T args[3]; - args[0].v_type = VAR_NUMBER; - args[1].v_type = VAR_STRING; - args[2].v_type = VAR_UNKNOWN; - args[0].vval.v_number = 1; - args[1].vval.v_string = ""; - - pos = curwin->w_cursor; - textlock++; - colnr_T col = (colnr_T)call_func_retnr((char *)funcname, 2, args); - textlock--; - - State = save_State; - curwin->w_cursor = pos; // restore the cursor position - validate_cursor(); - if (!equalpos(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, do the same if the function did not execute - // successfully. - if (col == -2 || aborting()) { - return FAIL; - } - // Return value -3 does the same as -2 and leaves CTRL-X mode. - 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; - - 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, (size_t)compl_length); - } else if (ctrl_x_mode == CTRL_X_SPELL) { - if (spell_bad_len > 0) { - assert(spell_bad_len <= INT_MAX); - compl_col = curs_col - (int)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, (size_t)compl_length); - } 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(ctrl_x_mode)) { - // Insert a new line, keep indentation but ignore 'comments' - char_u *old = curbuf->b_p_com; - - curbuf->b_p_com = (char_u *)""; - compl_startpos.lnum = curwin->w_cursor.lnum; - compl_startpos.col = compl_col; - ins_eol('\r'); - curbuf->b_p_com = old; - 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. - xfree(compl_orig_text); - compl_orig_text = vim_strnsave(line + compl_col, (size_t)compl_length); - if (p_ic) { - flags |= CP_ICASE; - } - if (ins_compl_add(compl_orig_text, -1, NULL, NULL, false, NULL, 0, - flags, false) != OK) { - XFREE_CLEAR(compl_pattern); - XFREE_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; - ui_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); - - 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; - compl_curr_match->cp_number = 1; - } else { - // Update completion sequence number when needed. - if (compl_curr_match->cp_number == -1) { - ins_compl_update_sequence_numbers(); - } - - /* 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(curwin, false); - } - } - } - } - - // Show a message about what (completion) mode we're in. - showmode(); - if (!shortmess(SHM_COMPLETIONMENU)) { - if (edit_submode_extra != NULL) { - if (!p_smd) { - msg_hist_off = true; - msg_attr((const char *)edit_submode_extra, - (edit_submode_highl < HLF_COUNT - ? HL_ATTR(edit_submode_highl) : 0)); - msg_hist_off = false; - } - } 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; -} - -/* - * 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. - const int mb_len = utfc_ptr2len((char *)src) - 1; - if (mb_len > 0 && len >= mb_len) { - for (int i = 0; i < mb_len; i++) { - len--; - src++; - if (dest != NULL) { - *dest++ = *src; - } - } - } - } - if (dest != NULL) { - *dest = NUL; - } - - return m; -} - /// Next character is interpreted literally. /// A one, two or three digit decimal number is interpreted as its byte value. /// If one or two digits are entered, the next character is given to vungetc(). @@ -6500,7 +2817,7 @@ static void redo_literal(int c) /// For undo/redo it resembles hitting the <ESC> key. /// /// @param end_insert_pos can be NULL -static void start_arrow(pos_T *end_insert_pos) +void start_arrow(pos_T *end_insert_pos) { start_arrow_common(end_insert_pos, true); } @@ -6546,19 +2863,6 @@ static void check_spell_redraw(void) } /* - * 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); - } -} - -/* * stop_arrow() is called before a change is made in insert mode. * If an arrow key has been used, start a new insertion. * Returns FAIL if undo is impossible, shouldn't insert then. @@ -6748,9 +3052,7 @@ void set_last_insert(int c) void free_last_insert(void) { XFREE_CLEAR(last_insert); - XFREE_CLEAR(compl_orig_text); } - #endif /* @@ -9016,7 +5318,7 @@ static bool ins_tab(void) /// Handle CR or NL in insert mode. /// /// @return false when it can't undo. -static bool ins_eol(int c) +bool ins_eol(int c) { if (echeck_abbr(c + ABBR_OFF)) { return true; @@ -9180,7 +5482,7 @@ static int ins_ctrl_ey(int tc) { int c = tc; - if (ctrl_x_mode == CTRL_X_SCROLL) { + if (ctrl_x_mode_scroll()) { if (c == Ctrl_Y) { scrolldown_clamp(); } else { @@ -9353,8 +5655,13 @@ static char_u *do_insert_char_pre(int c) return res; } +bool can_cindent_get(void) +{ + return can_cindent; +} + /// Trigger "event" and take care of fixing undo. -static int ins_apply_autocmds(event_T event) +int ins_apply_autocmds(event_T event) { varnumber_T tick = buf_get_changedtick(curbuf); int r; @@ -9370,21 +5677,3 @@ static int ins_apply_autocmds(event_T event) return r; } - -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; -} |