Mercurial > vim
changeset 16142:570a296aa0b4 v8.1.1076
patch 8.1.1076: file for Insert mode is much too big
commit https://github.com/vim/vim/commit/7591bb39d58ece38a5fef984a08ea9012616c1f9
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Mar 30 13:53:47 2019 +0100
patch 8.1.1076: file for Insert mode is much too big
Problem: File for Insert mode is much too big.
Solution: Split off the code for Insert completion. (Yegappan Lakshmanan,
closes #4044)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 30 Mar 2019 14:00:07 +0100 |
| parents | 8abbc25d5d23 |
| children | ebca02f14822 |
| files | Filelist src/Make_bc5.mak src/Make_cyg_ming.mak src/Make_dice.mak src/Make_ivc.mak src/Make_manx.mak src/Make_morph.mak src/Make_mvc.mak src/Make_sas.mak src/Make_vms.mms src/Makefile src/edit.c src/evalfunc.c src/globals.h src/insexpand.c src/misc2.c src/proto.h src/proto/edit.pro src/proto/insexpand.pro src/search.c src/spell.c src/structs.h src/tag.c src/version.c |
| diffstat | 24 files changed, 4177 insertions(+), 4024 deletions(-) [+] |
line wrap: on
line diff
--- a/Filelist +++ b/Filelist @@ -48,6 +48,7 @@ SRC_ALL = \ src/hardcopy.c \ src/hashtab.c \ src/indent.c \ + src/insexpand.c \ src/json.c \ src/json_test.c \ src/kword_test.c \ @@ -175,6 +176,7 @@ SRC_ALL = \ src/proto/hardcopy.pro \ src/proto/hashtab.pro \ src/proto/indent.pro \ + src/proto/insexpand.pro \ src/proto/json.pro \ src/proto/list.pro \ src/proto/main.pro \
--- a/src/Make_bc5.mak +++ b/src/Make_bc5.mak @@ -534,6 +534,7 @@ vimobj = \ $(OBJDIR)\hardcopy.obj \ $(OBJDIR)\hashtab.obj \ $(OBJDIR)\indent.obj \ + $(OBJDIR)\insexpand.obj \ $(OBJDIR)\json.obj \ $(OBJDIR)\list.obj \ $(OBJDIR)\main.obj \
--- a/src/Make_cyg_ming.mak +++ b/src/Make_cyg_ming.mak @@ -721,6 +721,7 @@ OBJ = \ $(OUTDIR)/hardcopy.o \ $(OUTDIR)/hashtab.o \ $(OUTDIR)/indent.o \ + $(OUTDIR)/insexpand.o \ $(OUTDIR)/json.o \ $(OUTDIR)/list.o \ $(OUTDIR)/main.o \
--- a/src/Make_dice.mak +++ b/src/Make_dice.mak @@ -51,6 +51,7 @@ SRC = \ hardcopy.c \ hashtab.c \ indent.c \ + insexpand.c \ json.c \ list.c \ main.c \ @@ -110,6 +111,7 @@ OBJ = o/arabic.o \ o/hardcopy.o \ o/hashtab.o \ o/indent.o \ + o/insexpand.o \ o/json.o \ o/list.o \ o/main.o \ @@ -213,6 +215,8 @@ o/hashtab.o: hashtab.c $(SYMS) o/indent.o: indent.c $(SYMS) +o/insexpand.o: insexpand.c $(SYMS) + o/json.o: json.c $(SYMS) o/list.o: list.c $(SYMS)
--- a/src/Make_ivc.mak +++ b/src/Make_ivc.mak @@ -235,6 +235,7 @@ LINK32_OBJS= \ "$(INTDIR)/hardcopy.obj" \ "$(INTDIR)/hashtab.obj" \ "$(INTDIR)/indent.obj" \ + "$(INTDIR)/insexpand.obj" \ "$(INTDIR)/json.obj" \ "$(INTDIR)/list.obj" \ "$(INTDIR)/main.obj" \ @@ -439,6 +440,10 @@ SOURCE=.\hashtab.c SOURCE=.\indent.c # End Source File # Begin Source File +# +SOURCE=.\insexpand.c +# End Source File +# Begin Source File SOURCE=.\gui.c
--- a/src/Make_manx.mak +++ b/src/Make_manx.mak @@ -61,6 +61,7 @@ SRC = arabic.c \ hardcopy.c \ hashtab.c \ indent.c \ + insexpand.c \ json.c \ list.c \ main.c \ @@ -122,6 +123,7 @@ OBJ = obj/arabic.o \ obj/hardcopy.o \ obj/hashtab.o \ obj/indent.o \ + obj/insexpand.o \ obj/json.o \ obj/list.o \ obj/main.o \ @@ -181,6 +183,7 @@ PRO = proto/arabic.pro \ proto/hardcopy.pro \ proto/hashtab.pro \ proto/indent.pro \ + proto/insexpand.pro \ proto/json.pro \ proto/list.pro \ proto/main.pro \ @@ -335,6 +338,9 @@ obj/hashtab.o: hashtab.c obj/indent.o: indent.c $(CCSYM) $@ indent.c +obj/insexpand.o: insexpand.c + $(CCSYM) $@ insexpand.c + obj/json.o: json.c $(CCSYM) $@ json.c
--- a/src/Make_morph.mak +++ b/src/Make_morph.mak @@ -49,6 +49,7 @@ SRC = arabic.c \ hardcopy.c \ hashtab.c \ indent.c \ + insexpand.c \ json.c \ list.c \ main.c \
--- a/src/Make_mvc.mak +++ b/src/Make_mvc.mak @@ -725,6 +725,7 @@ OBJ = \ $(OUTDIR)\hardcopy.obj \ $(OUTDIR)\hashtab.obj \ $(OUTDIR)\indent.obj \ + $(OUTDIR)\insexpand.obj \ $(OUTDIR)\json.obj \ $(OUTDIR)\list.obj \ $(OUTDIR)\main.obj \ @@ -1416,6 +1417,8 @@ testclean: $(OUTDIR)/indent.obj: $(OUTDIR) indent.c $(INCL) +$(OUTDIR)/insexpand.obj: $(OUTDIR) insexpand.c $(INCL) + $(OUTDIR)/gui.obj: $(OUTDIR) gui.c $(INCL) $(GUI_INCL) $(OUTDIR)/gui_beval.obj: $(OUTDIR) gui_beval.c $(INCL) $(GUI_INCL) @@ -1648,6 +1651,7 @@ proto.h: \ proto/hardcopy.pro \ proto/hashtab.pro \ proto/indent.pro \ + proto/insexpand.pro \ proto/json.pro \ proto/list.pro \ proto/main.pro \
--- a/src/Make_sas.mak +++ b/src/Make_sas.mak @@ -114,6 +114,7 @@ SRC = \ hardcopy.c \ hashtab.c \ indent.c \ + insexpand.c \ json.c \ list.c \ main.c \ @@ -174,6 +175,7 @@ OBJ = \ hardcopy.o \ hashtab.o \ indent.o \ + insexpand.o \ json.o \ list.o \ main.o \ @@ -234,6 +236,7 @@ PRO = \ proto/hardcopy.pro \ proto/hashtab.pro \ proto/indent.pro \ + proto/insexpand.pro \ proto/json.pro \ proto/list.pro \ proto/main.pro \ @@ -373,6 +376,8 @@ hashtab.o: hashtab.c proto/hashtab.pro: hashtab.c indent.o: indent.c proto/indent.pro: indent.c +insexpand.o: insexpand.c +proto/insexpand.pro: insexpand.c json.o: json.c proto/json.pro: json.c list.o: list.c
--- a/src/Make_vms.mms +++ b/src/Make_vms.mms @@ -311,9 +311,9 @@ SRC = arabic.c autocmd.c beval.c blob.c crypt.c crypt_zip.c dict.c diff.c digraph.c edit.c eval.c evalfunc.c \ ex_cmds.c ex_cmds2.c ex_docmd.c ex_eval.c ex_getln.c if_cscope.c \ if_xcmdsrv.c fileio.c findfile.c fold.c getchar.c hardcopy.c \ - hashtab.c indent.c json.c list.c main.c mark.c menu.c mbyte.c \ - memfile.c memline.c message.c misc1.c misc2.c move.c normal.c ops.c \ - option.c popupmnu.c quickfix.c regexp.c search.c sha256.c sign.c \ + hashtab.c indent.c insexpand.c json.c list.c main.c mark.c menu.c \ + mbyte.c memfile.c memline.c message.c misc1.c misc2.c move.c normal.c \ + ops.c option.c popupmnu.c quickfix.c regexp.c search.c sha256.c sign.c \ spell.c spellfile.c syntax.c tag.c term.c termlib.c textprop.c ui.c \ undo.c userfunc.c version.c screen.c window.c os_unix.c os_vms.c \ pathdef.c @@ -325,13 +325,13 @@ OBJ = arabic.obj autocmd.obj beval.obj edit.obj eval.obj evalfunc.obj ex_cmds.obj ex_cmds2.obj ex_docmd.obj \ ex_eval.obj ex_getln.obj if_cscope.obj if_xcmdsrv.obj \ fileio.obj findfile.obj fold.obj getchar.obj hardcopy.obj hashtab.obj \ - indent.obj json.obj list.obj main.obj mark.obj menu.obj memfile.obj \ - memline.obj message.obj misc1.obj misc2.obj move.obj mbyte.obj \ - normal.obj ops.obj option.obj popupmnu.obj quickfix.obj regexp.obj \ - search.obj sha256.obj sign.obj spell.obj spellfile.obj syntax.obj \ - tag.obj term.obj termlib.obj textprop.obj ui.obj undo.obj \ - userfunc.obj screen.obj version.obj window.obj os_unix.obj os_vms.obj \ - pathdef.obj if_mzsch.obj \ + indent.obj insexpand.obj json.obj list.obj main.obj mark.obj \ + menu.obj memfile.obj memline.obj message.obj misc1.obj misc2.obj \ + move.obj mbyte.obj normal.obj ops.obj option.obj popupmnu.obj \ + quickfix.obj regexp.obj search.obj sha256.obj sign.obj spell.obj \ + spellfile.obj syntax.obj tag.obj term.obj termlib.obj textprop.obj \ + ui.obj undo.obj userfunc.obj screen.obj version.obj window.obj \ + os_unix.obj os_vms.obj pathdef.obj if_mzsch.obj \ $(GUI_OBJ) $(PERL_OBJ) $(PYTHON_OBJ) $(TCL_OBJ) \ $(RUBY_OBJ) $(HANGULIN_OBJ) $(MZSCH_OBJ) $(XDIFF_OBJ) @@ -603,6 +603,7 @@ if_mzsch.obj : if_mzsch.c vim.h [.auto]c regexp.h gui.h beval.h [.proto]gui_beval.pro ex_cmds.h proto.h \ globals.h if_mzsch.h indent.obj : indent.c vim.h [.auto]config.h feature.h os_unix.h +insexpand.obj : insexpand.c vim.h [.auto]config.h feature.h os_unix.h json.obj : json.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h \
--- a/src/Makefile +++ b/src/Makefile @@ -1599,6 +1599,7 @@ BASIC_SRC = \ if_cscope.c \ if_xcmdsrv.c \ indent.c \ + insexpand.c \ json.c \ list.c \ main.c \ @@ -1713,6 +1714,7 @@ OBJ_COMMON = \ objects/if_cscope.o \ objects/if_xcmdsrv.o \ objects/indent.o \ + objects/insexpand.o \ objects/list.o \ objects/mark.o \ objects/memline.o \ @@ -1844,6 +1846,7 @@ PRO_AUTO = \ if_ruby.pro \ if_xcmdsrv.pro \ indent.pro \ + insexpand.pro \ json.pro \ list.pro \ main.pro \ @@ -3098,6 +3101,9 @@ objects/if_tcl.o: if_tcl.c objects/indent.o: indent.c $(CCC) -o $@ indent.c +objects/insexpand.o: insexpand.c + $(CCC) -o $@ insexpand.c + objects/json.o: json.c $(CCC) -o $@ json.c @@ -3500,6 +3506,10 @@ objects/indent.o: indent.c vim.h protode auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \ proto.h globals.h +objects/insexpand.o: insexpand.c vim.h protodef.h auto/config.h feature.h \ + os_unix.h auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ + proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \ + proto.h globals.h objects/json.o: json.c vim.h protodef.h auto/config.h feature.h os_unix.h \ auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
--- a/src/edit.c +++ b/src/edit.c @@ -13,210 +13,18 @@ #include "vim.h" -#ifdef FEAT_INS_EXPAND -/* - * Definitions used for CTRL-X submode. - * Note: If you change CTRL-X submode, you must also maintain ctrl_x_msgs[] and - * ctrl_x_mode_names[]. - */ -# define CTRL_X_WANT_IDENT 0x100 - -# define CTRL_X_NORMAL 0 /* CTRL-N CTRL-P completion, default */ -# define CTRL_X_NOT_DEFINED_YET 1 -# define CTRL_X_SCROLL 2 -# define CTRL_X_WHOLE_LINE 3 -# define CTRL_X_FILES 4 -# define CTRL_X_TAGS (5 + CTRL_X_WANT_IDENT) -# define CTRL_X_PATH_PATTERNS (6 + CTRL_X_WANT_IDENT) -# define CTRL_X_PATH_DEFINES (7 + CTRL_X_WANT_IDENT) -# define CTRL_X_FINISHED 8 -# define CTRL_X_DICTIONARY (9 + CTRL_X_WANT_IDENT) -# define CTRL_X_THESAURUS (10 + CTRL_X_WANT_IDENT) -# define CTRL_X_CMDLINE 11 -# define CTRL_X_FUNCTION 12 -# define CTRL_X_OMNI 13 -# define CTRL_X_SPELL 14 -# define CTRL_X_LOCAL_MSG 15 /* only used in "ctrl_x_msgs" */ -# define CTRL_X_EVAL 16 /* for builtin function complete() */ - -# define CTRL_X_MSG(i) ctrl_x_msgs[(i) & ~CTRL_X_WANT_IDENT] -# 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. -}; - -static char *ctrl_x_mode_names[] = { - "keyword", - "ctrl_x", - "unknown", // CTRL_X_SCROLL - "whole_line", - "files", - "tags", - "path_patterns", - "path_defines", - "unknown", // CTRL_X_FINISHED - "dictionary", - "thesaurus", - "cmdline", - "function", - "omni", - "spell", - NULL, // CTRL_X_LOCAL_MSG only used in "ctrl_x_msgs" - "eval" - }; - - -static char e_hitend[] = N_("Hit end of paragraph"); -# ifdef FEAT_COMPL_FUNC -static char e_complwin[] = N_("E839: Completion function changed window"); -static char e_compldel[] = N_("E840: Completion function deleted text"); -# endif - -/* - * 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 cp_icase; /* TRUE or FALSE: ignore case */ - char_u *(cp_text[CPT_COUNT]); /* text for the menu */ - char_u *cp_fname; /* file containing the match, allocated when - * cp_flags has FREE_FNAME */ - int cp_flags; /* ORIGINAL_TEXT, CONT_S_IPOS or FREE_FNAME */ - int cp_number; /* sequence number */ -}; - -# define ORIGINAL_TEXT (1) /* the original text when the expansion begun */ -# define FREE_FNAME (2) - -/* - * All the current matches are stored in a list. - * "compl_first_match" points to the start of the list. - * "compl_curr_match" points to the currently selected entry. - * "compl_shown_match" is different from compl_curr_match during - * ins_compl_get_exp(). - */ -static compl_T *compl_first_match = NULL; -static compl_T *compl_curr_match = NULL; -static compl_T *compl_shown_match = NULL; -static compl_T *compl_old_match = NULL; - -/* After using a cursor key <Enter> selects a match in the popup menu, - * otherwise it inserts a line break. */ -static int compl_enter_selects = FALSE; - -/* When "compl_leader" is not NULL only matches that start with this string - * are used. */ -static char_u *compl_leader = NULL; - -static int compl_get_longest = FALSE; /* put longest common string - in compl_leader */ - -static int compl_no_insert = FALSE; /* FALSE: select & insert - TRUE: noinsert */ -static int compl_no_select = FALSE; /* FALSE: select & insert - TRUE: noselect */ - -static int 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 int compl_restarting = FALSE; /* don't insert match */ - -/* When the first completion is done "compl_started" is set. When it's - * FALSE the word to be completed must be located. */ -static int compl_started = FALSE; - -/* Which Ctrl-X mode are we in? */ -static int ctrl_x_mode = CTRL_X_NORMAL; - -/* Set when doing something for completion that may call edit() recursively, - * which is not allowed. */ -static int compl_busy = FALSE; - -static int compl_matches = 0; -static char_u *compl_pattern = NULL; -static int compl_direction = FORWARD; -static int compl_shows_dir = FORWARD; -static int compl_pending = 0; /* > 1 for postponed CTRL-N */ -static pos_T compl_startpos; -static colnr_T compl_col = 0; /* column where the text starts - * that is being completed */ -static char_u *compl_orig_text = NULL; /* text as it was before - * completion started */ -static int compl_cont_mode = 0; -static expand_T compl_xp; - -static int compl_opt_refresh_always = FALSE; -static int compl_opt_suppress_empty = FALSE; - -static void ins_ctrl_x(void); -static int has_compl_option(int dict_opt); -static int ins_compl_accept_char(int c); -static int ins_compl_add(char_u *str, int len, int icase, char_u *fname, char_u **cptext, int cdir, int flags, int adup); -static void ins_compl_longest_match(compl_T *match); -static void ins_compl_del_pum(void); -static int pum_wanted(void); -static void ins_compl_files(int count, char_u **files, int thesaurus, int flags, regmatch_T *regmatch, char_u *buf, int *dir); -static char_u *find_line_end(char_u *ptr); -static void ins_compl_free(void); -static void ins_compl_clear(void); -static char_u *ins_compl_mode(void); -static int ins_compl_bs(void); -static int ins_compl_need_restart(void); -static void ins_compl_new_leader(void); -static void ins_compl_addleader(int c); -static int ins_compl_len(void); -static void ins_compl_restart(void); -static void ins_compl_set_original_text(char_u *str); -static void ins_compl_addfrommatch(void); -static int ins_compl_prep(int c); -static void ins_compl_fixRedoBufForLeader(char_u *ptr_arg); -# if defined(FEAT_COMPL_FUNC) || defined(FEAT_EVAL) -static void ins_compl_add_list(list_T *list); -static void ins_compl_add_dict(dict_T *dict); -# endif -static void ins_compl_delete(void); -static void ins_compl_insert(int in_compl_func); -static int ins_compl_key2dir(int c); -static int ins_compl_pum_key(int c); -static int ins_compl_key2count(int c); -static int ins_complete(int c, int enable_pum); -static void show_pum(int prev_w_wrow, int prev_w_leftcol); -static unsigned quote_meta(char_u *dest, char_u *str, int len); -#endif /* FEAT_INS_EXPAND */ - #define BACKSPACE_CHAR 1 #define BACKSPACE_WORD 2 #define BACKSPACE_WORD_NOT_SPACE 3 #define BACKSPACE_LINE 4 -static void ins_redraw(int ready); +#ifdef FEAT_INS_EXPAND +/* Set when doing something for completion that may call edit() recursively, + * which is not allowed. */ +static int compl_busy = FALSE; +#endif /* FEAT_INS_EXPAND */ + + static void ins_ctrl_v(void); #ifdef FEAT_JOB_CHANNEL static void init_prompt(int cmdchar_todo); @@ -226,12 +34,9 @@ static void insert_special(int, int, int static void internal_format(int textwidth, int second_indent, int flags, int format_only, int c); static void check_auto_format(int); static void redo_literal(int c); -static void start_arrow(pos_T *end_insert_pos); static void start_arrow_common(pos_T *end_insert_pos, int change); #ifdef FEAT_SPELL static void check_spell_redraw(void); -static void spell_back_to_badword(void); -static int spell_bad_len = 0; /* length of located bad word */ #endif static void stop_insert(pos_T *end_insert_pos, int esc, int nomove); static int echeck_abbr(int); @@ -274,7 +79,6 @@ static void ins_pagedown(void); static void ins_drop(void); #endif static int ins_tab(void); -static int ins_eol(int c); #ifdef FEAT_DIGRAPHS static int ins_digraph(void); #endif @@ -285,7 +89,6 @@ static void ins_try_si(int c); #if defined(FEAT_EVAL) static char_u *do_insert_char_pre(int c); #endif -static int ins_apply_autocmds(event_T event); static colnr_T Insstart_textlen; /* length of line when insert started */ static colnr_T Insstart_blank_vcol; /* vcol for first inserted blank */ @@ -393,7 +196,7 @@ edit( #ifdef FEAT_INS_EXPAND /* Don't allow recursive insert mode when busy with completion. */ - if (compl_started || compl_busy || pum_visible()) + if (ins_compl_active() || compl_busy || pum_visible()) { emsg(_(e_secure)); return FALSE; @@ -834,28 +637,26 @@ edit( * 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 ((c == K_BS || c == Ctrl_H) - && curwin->w_cursor.col > compl_col + && curwin->w_cursor.col > ins_compl_col() && (c = ins_compl_bs()) == NUL) 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 (c == Ctrl_L - && (!CTRL_X_MODE_LINE_OR_EVAL(ctrl_x_mode) - || (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(); continue; @@ -883,8 +684,9 @@ edit( } /* Pressing CTRL-Y selects the current match. When - * compl_enter_selects is set the Enter key does the same. */ - if ((c == Ctrl_Y || (compl_enter_selects + * ins_compl_enter_selects() is set the Enter key does the + * same. */ + if ((c == Ctrl_Y || (ins_compl_enter_selects() && (c == CAR || c == K_KENTER || c == NL))) && stop_arrow() == OK) { @@ -896,7 +698,7 @@ edit( /* 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(c)) continue; #endif @@ -939,7 +741,7 @@ edit( #endif #ifdef FEAT_INS_EXPAND - if ((c == Ctrl_V || c == Ctrl_Q) && ctrl_x_mode == CTRL_X_CMDLINE) + if ((c == Ctrl_V || c == Ctrl_Q) && ctrl_x_mode_cmdline()) goto docomplete; #endif if (c == Ctrl_V || c == Ctrl_Q) @@ -952,7 +754,7 @@ edit( #ifdef FEAT_CINDENT if (cindent_on() # ifdef FEAT_INS_EXPAND - && ctrl_x_mode == 0 + && ctrl_x_mode_none() # endif ) { @@ -1073,7 +875,7 @@ doESCkey: case Ctrl_O: /* execute one command */ #ifdef FEAT_COMPL_FUNC - if (ctrl_x_mode == CTRL_X_OMNI) + if (ctrl_x_mode_omni()) goto docomplete; #endif if (echeck_abbr(Ctrl_O + ABBR_OFF)) @@ -1149,14 +951,14 @@ doESCkey: case Ctrl_D: /* Make indent one shiftwidth smaller. */ #if defined(FEAT_INS_EXPAND) && defined(FEAT_FIND_ID) - if (ctrl_x_mode == CTRL_X_PATH_DEFINES) + if (ctrl_x_mode_path_defines()) goto docomplete; #endif /* FALLTHROUGH */ case Ctrl_T: /* Make indent one shiftwidth greater. */ # ifdef FEAT_INS_EXPAND - if (c == Ctrl_T && ctrl_x_mode == CTRL_X_THESAURUS) + if (c == Ctrl_T && ctrl_x_mode_thesaurus()) { if (has_compl_option(FALSE)) goto docomplete; @@ -1200,7 +1002,7 @@ doESCkey: case Ctrl_U: /* delete all inserted text in current line */ # ifdef FEAT_COMPL_FUNC /* CTRL-X CTRL-U completes with 'completefunc'. */ - if (ctrl_x_mode == CTRL_X_FUNCTION) + if (ctrl_x_mode_function()) goto docomplete; # endif did_backspace = ins_bs(c, BACKSPACE_LINE, &inserted_space); @@ -1382,7 +1184,7 @@ doESCkey: case TAB: /* TAB or Complete patterns along path */ #if defined(FEAT_INS_EXPAND) && defined(FEAT_FIND_ID) - if (ctrl_x_mode == CTRL_X_PATH_PATTERNS) + if (ctrl_x_mode_path_patterns()) goto docomplete; #endif inserted_space = FALSE; @@ -1436,7 +1238,7 @@ doESCkey: #if defined(FEAT_DIGRAPHS) || defined(FEAT_INS_EXPAND) case Ctrl_K: /* digraph or keyword completion */ # ifdef FEAT_INS_EXPAND - if (ctrl_x_mode == CTRL_X_DICTIONARY) + if (ctrl_x_mode_dictionary()) { if (has_compl_option(TRUE)) goto docomplete; @@ -1457,25 +1259,25 @@ doESCkey: break; case Ctrl_RSB: /* Tag name completion after ^X */ - if (ctrl_x_mode != CTRL_X_TAGS) + if (!ctrl_x_mode_tags()) goto normalchar; goto docomplete; case Ctrl_F: /* File name completion after ^X */ - if (ctrl_x_mode != CTRL_X_FILES) + if (!ctrl_x_mode_files()) goto normalchar; goto docomplete; case 's': /* Spelling completion after ^X */ case Ctrl_S: - if (ctrl_x_mode != CTRL_X_SPELL) + if (!ctrl_x_mode_spell()) goto normalchar; goto docomplete; #endif case Ctrl_L: /* Whole line completion after ^X */ #ifdef FEAT_INS_EXPAND - if (ctrl_x_mode != CTRL_X_WHOLE_LINE) + if (!ctrl_x_mode_whole_line()) #endif { /* CTRL-L with 'insertmode' set: Leave Insert mode */ @@ -1495,8 +1297,7 @@ doESCkey: /* 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; @@ -1608,7 +1409,7 @@ normalchar: if (c != K_CURSORHOLD #ifdef FEAT_COMPL_FUNC /* but not in CTRL-X mode, a script can't restore the state */ - && ctrl_x_mode == CTRL_X_NORMAL + && ctrl_x_mode_normal() #endif ) did_cursorhold = FALSE; @@ -1620,7 +1421,7 @@ normalchar: #ifdef FEAT_CINDENT if (can_cindent && cindent_on() # ifdef FEAT_INS_EXPAND - && ctrl_x_mode == CTRL_X_NORMAL + && ctrl_x_mode_normal() # endif ) { @@ -1641,6 +1442,12 @@ force_cindent: /* NOTREACHED */ } + int +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' @@ -1648,7 +1455,7 @@ force_cindent: * Only redraw when there are no characters available. This speeds up * inserting sequences of characters (e.g., for CTRL-R). */ - static void + void ins_redraw( int ready UNUSED) /* not busy with something */ { @@ -2313,3719 +2120,6 @@ del_char_after_col(int limit_col UNUSED) return TRUE; } -#if defined(FEAT_INS_EXPAND) || defined(PROTO) -/* - * CTRL-X pressed in Insert mode. - */ - static void -ins_ctrl_x(void) -{ - /* CTRL-X after CTRL-X CTRL-V doesn't do anything, so that CTRL-X - * CTRL-V works like CTRL-N */ - if (ctrl_x_mode != CTRL_X_CMDLINE) - { - /* if the next ^X<> won't ADD nothing, then reset - * compl_cont_status */ - if (compl_cont_status & CONT_N_ADDS) - compl_cont_status |= CONT_INTRPT; - else - compl_cont_status = 0; - /* We're not sure which CTRL-X mode it will be yet */ - ctrl_x_mode = CTRL_X_NOT_DEFINED_YET; - edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode)); - edit_submode_pre = NULL; - showmode(); - } -} - -/* - * Whether other than default completion has been selected. - */ - int -ctrl_x_mode_not_default(void) -{ - return ctrl_x_mode != CTRL_X_NORMAL; -} - -/* - * Whether CTRL-X was typed without a following character. - */ - int -ctrl_x_mode_not_defined_yet(void) -{ - return ctrl_x_mode == CTRL_X_NOT_DEFINED_YET; -} - -/* - * Return TRUE if the 'dict' or 'tsr' option can be used. - */ - static int -has_compl_option(int dict_opt) -{ - if (dict_opt ? (*curbuf->b_p_dict == NUL && *p_dict == NUL -# ifdef FEAT_SPELL - && !curwin->w_p_spell -# endif - ) - : (*curbuf->b_p_tsr == NUL && *p_tsr == NUL)) - { - ctrl_x_mode = CTRL_X_NORMAL; - edit_submode = NULL; - msg_attr(dict_opt ? _("'dictionary' option is empty") - : _("'thesaurus' option is empty"), - HL_ATTR(HLF_E)); - if (emsg_silent == 0) - { - vim_beep(BO_COMPL); - setcursor(); - out_flush(); -#ifdef FEAT_EVAL - if (!get_vim_var_nr(VV_TESTING)) -#endif - ui_delay(2000L, FALSE); - } - return FALSE; - } - return TRUE; -} - -/* - * Is the character 'c' a valid key to go to or keep us in CTRL-X mode? - * This depends on the current mode. - */ - int -vim_is_ctrl_x_key(int c) -{ - // Always allow ^R - let its results then be checked - if (c == Ctrl_R) - return TRUE; - - /* Accept <PageUp> and <PageDown> if the popup menu is visible. */ - if (ins_compl_pum_key(c)) - return TRUE; - - switch (ctrl_x_mode) - { - case 0: /* Not in any CTRL-X mode */ - return (c == Ctrl_N || c == Ctrl_P || c == Ctrl_X); - case CTRL_X_NOT_DEFINED_YET: - return ( c == Ctrl_X || c == Ctrl_Y || c == Ctrl_E - || c == Ctrl_L || c == Ctrl_F || c == Ctrl_RSB - || c == Ctrl_I || c == Ctrl_D || c == Ctrl_P - || c == Ctrl_N || c == Ctrl_T || c == Ctrl_V - || c == Ctrl_Q || c == Ctrl_U || c == Ctrl_O - || c == Ctrl_S || c == Ctrl_K || c == 's'); - case CTRL_X_SCROLL: - return (c == Ctrl_Y || c == Ctrl_E); - case CTRL_X_WHOLE_LINE: - return (c == Ctrl_L || c == Ctrl_P || c == Ctrl_N); - case CTRL_X_FILES: - return (c == Ctrl_F || c == Ctrl_P || c == Ctrl_N); - case CTRL_X_DICTIONARY: - return (c == Ctrl_K || c == Ctrl_P || c == Ctrl_N); - case CTRL_X_THESAURUS: - return (c == Ctrl_T || c == Ctrl_P || c == Ctrl_N); - case CTRL_X_TAGS: - return (c == Ctrl_RSB || c == Ctrl_P || c == Ctrl_N); -#ifdef FEAT_FIND_ID - case CTRL_X_PATH_PATTERNS: - return (c == Ctrl_P || c == Ctrl_N); - case CTRL_X_PATH_DEFINES: - return (c == Ctrl_D || c == Ctrl_P || c == Ctrl_N); -#endif - case CTRL_X_CMDLINE: - return (c == Ctrl_V || c == Ctrl_Q || c == Ctrl_P || c == Ctrl_N - || c == Ctrl_X); -#ifdef FEAT_COMPL_FUNC - case CTRL_X_FUNCTION: - return (c == Ctrl_U || c == Ctrl_P || c == Ctrl_N); - case CTRL_X_OMNI: - return (c == Ctrl_O || c == Ctrl_P || c == Ctrl_N); -#endif - case CTRL_X_SPELL: - return (c == Ctrl_S || c == Ctrl_P || c == Ctrl_N); - case CTRL_X_EVAL: - return (c == Ctrl_P || c == Ctrl_N); - } - internal_error("vim_is_ctrl_x_key()"); - return FALSE; -} - -/* - * Return TRUE when character "c" is part of the item currently being - * completed. Used to decide whether to abandon complete mode when the menu - * is visible. - */ - static int -ins_compl_accept_char(int c) -{ - if (ctrl_x_mode & CTRL_X_WANT_IDENT) - /* When expanding an identifier only accept identifier chars. */ - return vim_isIDc(c); - - switch (ctrl_x_mode) - { - case CTRL_X_FILES: - /* When expanding file name only accept file name chars. But not - * path separators, so that "proto/<Tab>" expands files in - * "proto", not "proto/" as a whole */ - return vim_isfilec(c) && !vim_ispathsep(c); - - case CTRL_X_CMDLINE: - case CTRL_X_OMNI: - /* Command line and Omni completion can work with just about any - * printable character, but do stop at white space. */ - return vim_isprintc(c) && !VIM_ISWHITE(c); - - case CTRL_X_WHOLE_LINE: - /* For while line completion a space can be part of the line. */ - return vim_isprintc(c); - } - return vim_iswordc(c); -} - -/* - * This is like ins_compl_add(), but if 'ic' and 'inf' are set, then the - * case of the originally typed text is used, and the case of the completed - * text is inferred, ie this tries to work out what case you probably wanted - * the rest of the word to be in -- webb - */ - int -ins_compl_add_infercase( - char_u *str, - int len, - int icase, - char_u *fname, - int dir, - int flags) -{ - char_u *p; - int i, c; - int actual_len; /* Take multi-byte characters */ - int actual_compl_length; /* into account. */ - int min_len; - int *wca; /* Wide character array. */ - int has_lower = FALSE; - int was_letter = FALSE; - - if (p_ic && curbuf->b_p_inf && len > 0) - { - /* Infer case of completed part. */ - - /* Find actual length of completion. */ - if (has_mbyte) - { - p = str; - actual_len = 0; - while (*p != NUL) - { - MB_PTR_ADV(p); - ++actual_len; - } - } - else - actual_len = len; - - /* Find actual length of original text. */ - if (has_mbyte) - { - p = compl_orig_text; - actual_compl_length = 0; - while (*p != NUL) - { - MB_PTR_ADV(p); - ++actual_compl_length; - } - } - else - actual_compl_length = compl_length; - - /* "actual_len" may be smaller than "actual_compl_length" when using - * thesaurus, only use the minimum when comparing. */ - min_len = actual_len < actual_compl_length - ? actual_len : actual_compl_length; - - /* Allocate wide character array for the completion and fill it. */ - wca = (int *)alloc((unsigned)(actual_len * sizeof(int))); - if (wca != NULL) - { - p = str; - for (i = 0; i < actual_len; ++i) - if (has_mbyte) - wca[i] = mb_ptr2char_adv(&p); - else - wca[i] = *(p++); - - /* Rule 1: Were any chars converted to lower? */ - p = compl_orig_text; - for (i = 0; i < min_len; ++i) - { - if (has_mbyte) - c = mb_ptr2char_adv(&p); - else - c = *(p++); - if (MB_ISLOWER(c)) - { - has_lower = TRUE; - if (MB_ISUPPER(wca[i])) - { - /* Rule 1 is satisfied. */ - for (i = actual_compl_length; i < actual_len; ++i) - wca[i] = MB_TOLOWER(wca[i]); - break; - } - } - } - - /* - * Rule 2: No lower case, 2nd consecutive letter converted to - * upper case. - */ - if (!has_lower) - { - p = compl_orig_text; - for (i = 0; i < min_len; ++i) - { - if (has_mbyte) - c = mb_ptr2char_adv(&p); - else - c = *(p++); - if (was_letter && MB_ISUPPER(c) && MB_ISLOWER(wca[i])) - { - /* Rule 2 is satisfied. */ - for (i = actual_compl_length; i < actual_len; ++i) - wca[i] = MB_TOUPPER(wca[i]); - break; - } - was_letter = MB_ISLOWER(c) || MB_ISUPPER(c); - } - } - - /* Copy the original case of the part we typed. */ - p = compl_orig_text; - for (i = 0; i < min_len; ++i) - { - if (has_mbyte) - c = mb_ptr2char_adv(&p); - else - c = *(p++); - if (MB_ISLOWER(c)) - wca[i] = MB_TOLOWER(wca[i]); - else if (MB_ISUPPER(c)) - wca[i] = MB_TOUPPER(wca[i]); - } - - /* - * Generate encoding specific output from wide character array. - * Multi-byte characters can occupy up to five bytes more than - * ASCII characters, and we also need one byte for NUL, so stay - * six bytes away from the edge of IObuff. - */ - p = IObuff; - i = 0; - while (i < actual_len && (p - IObuff + 6) < IOSIZE) - if (has_mbyte) - p += (*mb_char2bytes)(wca[i++], p); - else - *(p++) = wca[i++]; - *p = NUL; - - vim_free(wca); - } - - return ins_compl_add(IObuff, len, icase, fname, NULL, dir, - flags, FALSE); - } - return ins_compl_add(str, len, icase, fname, NULL, dir, flags, FALSE); -} - -/* - * Add a match to the list of matches. - * If the given string is already in the list of completions, then return - * NOTDONE, otherwise add it to the list and return OK. If there is an error, - * maybe because alloc() returns NULL, then FAIL is returned. - */ - static int -ins_compl_add( - char_u *str, - int len, - int icase, - char_u *fname, - char_u **cptext, /* extra text for popup menu or NULL */ - int cdir, - int flags, - int adup) /* accept duplicate match */ -{ - compl_T *match; - int dir = (cdir == 0 ? compl_direction : cdir); - - ui_breakcheck(); - if (got_int) - return FAIL; - if (len < 0) - len = (int)STRLEN(str); - - /* - * If the same match is already present, don't add it. - */ - if (compl_first_match != NULL && !adup) - { - match = compl_first_match; - do - { - if ( !(match->cp_flags & ORIGINAL_TEXT) - && STRNCMP(match->cp_str, str, len) == 0 - && match->cp_str[len] == NUL) - return NOTDONE; - match = match->cp_next; - } while (match != NULL && match != compl_first_match); - } - - /* Remove any popup menu before changing the list of matches. */ - ins_compl_del_pum(); - - /* - * Allocate a new match structure. - * Copy the values to the new match structure. - */ - match = (compl_T *)alloc_clear((unsigned)sizeof(compl_T)); - if (match == NULL) - return FAIL; - match->cp_number = -1; - if (flags & ORIGINAL_TEXT) - match->cp_number = 0; - if ((match->cp_str = vim_strnsave(str, len)) == NULL) - { - vim_free(match); - return FAIL; - } - match->cp_icase = icase; - - /* match-fname is: - * - compl_curr_match->cp_fname if it is a string equal to fname. - * - a copy of fname, 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 |= FREE_FNAME; - } - else - match->cp_fname = NULL; - match->cp_flags = flags; - - if (cptext != NULL) - { - int i; - - for (i = 0; i < CPT_COUNT; ++i) - if (cptext[i] != NULL && *cptext[i] != NUL) - match->cp_text[i] = vim_strsave(cptext[i]); - } - - /* - * Link the new match structure in the list of matches. - */ - if (compl_first_match == NULL) - match->cp_next = match->cp_prev = NULL; - else if (dir == FORWARD) - { - match->cp_next = compl_curr_match->cp_next; - match->cp_prev = compl_curr_match; - } - else /* BACKWARD */ - { - match->cp_next = compl_curr_match; - match->cp_prev = compl_curr_match->cp_prev; - } - if (match->cp_next) - match->cp_next->cp_prev = match; - if (match->cp_prev) - match->cp_prev->cp_next = match; - else /* if there's nothing before, it is the first match */ - compl_first_match = match; - compl_curr_match = match; - - /* - * Find the longest common string if still doing that. - */ - if (compl_get_longest && (flags & ORIGINAL_TEXT) == 0) - ins_compl_longest_match(match); - - return OK; -} - -/* - * Return TRUE if "str[len]" matches with match->cp_str, considering - * match->cp_icase. - */ - static int -ins_compl_equal(compl_T *match, char_u *str, int len) -{ - if (match->cp_icase) - return STRNICMP(match->cp_str, str, (size_t)len) == 0; - return STRNCMP(match->cp_str, str, (size_t)len) == 0; -} - -/* - * Reduce the longest common string for match "match". - */ - static void -ins_compl_longest_match(compl_T *match) -{ - char_u *p, *s; - int c1, c2; - int had_match; - - if (compl_leader == NULL) - { - /* First match, use it as a whole. */ - compl_leader = vim_strsave(match->cp_str); - if (compl_leader != NULL) - { - had_match = (curwin->w_cursor.col > compl_col); - ins_compl_delete(); - ins_bytes(compl_leader + ins_compl_len()); - ins_redraw(FALSE); - - /* When the match isn't there (to avoid matching itself) remove it - * again after redrawing. */ - if (!had_match) - ins_compl_delete(); - compl_used_match = FALSE; - } - } - else - { - /* Reduce the text if this match differs from compl_leader. */ - p = compl_leader; - s = match->cp_str; - while (*p != NUL) - { - if (has_mbyte) - { - c1 = mb_ptr2char(p); - c2 = mb_ptr2char(s); - } - else - { - c1 = *p; - c2 = *s; - } - if (match->cp_icase ? (MB_TOLOWER(c1) != MB_TOLOWER(c2)) - : (c1 != c2)) - break; - if (has_mbyte) - { - MB_PTR_ADV(p); - MB_PTR_ADV(s); - } - else - { - ++p; - ++s; - } - } - - if (*p != NUL) - { - /* Leader was shortened, need to change the inserted text. */ - *p = NUL; - had_match = (curwin->w_cursor.col > compl_col); - ins_compl_delete(); - ins_bytes(compl_leader + ins_compl_len()); - ins_redraw(FALSE); - - /* When the match isn't there (to avoid matching itself) remove it - * again after redrawing. */ - if (!had_match) - ins_compl_delete(); - } - - compl_used_match = FALSE; - } -} - -/* - * Add an array of matches to the list of matches. - * Frees matches[]. - */ - static void -ins_compl_add_matches( - int num_matches, - char_u **matches, - int icase) -{ - int i; - int add_r = OK; - int dir = compl_direction; - - for (i = 0; i < num_matches && add_r != FAIL; i++) - if ((add_r = ins_compl_add(matches[i], -1, icase, - NULL, NULL, dir, 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 save_w_wrow = curwin->w_wrow; - int save_w_leftcol = curwin->w_leftcol; - - /* If already doing completions stop it. */ - if (ctrl_x_mode != CTRL_X_NORMAL) - ins_compl_prep(' '); - ins_compl_clear(); - ins_compl_free(); - - compl_direction = FORWARD; - if (startcol > curwin->w_cursor.col) - startcol = curwin->w_cursor.col; - compl_col = startcol; - compl_length = (int)curwin->w_cursor.col - (int)startcol; - /* compl_pattern doesn't need to be set */ - compl_orig_text = vim_strnsave(ml_get_curline() + compl_col, compl_length); - if (compl_orig_text == NULL || ins_compl_add(compl_orig_text, - -1, p_ic, NULL, NULL, 0, ORIGINAL_TEXT, FALSE) != OK) - return; - - ctrl_x_mode = CTRL_X_EVAL; - - ins_compl_add_list(list); - compl_matches = ins_compl_make_cyclic(); - compl_started = TRUE; - compl_used_match = TRUE; - compl_cont_status = 0; - - compl_curr_match = compl_first_match; - if (compl_no_insert || compl_no_select) - { - ins_complete(K_DOWN, FALSE); - if (compl_no_select) - /* Down/Up has no real effect. */ - ins_complete(K_UP, FALSE); - } - else - ins_complete(Ctrl_N, FALSE); - compl_enter_selects = compl_no_insert; - - /* Lazily show the popup menu, unless we got interrupted. */ - if (!compl_interrupted) - show_pum(save_w_wrow, save_w_leftcol); - out_flush(); -} - - -/* "compl_match_array" points the currently displayed list of entries in the - * popup menu. It is NULL when there is no popup menu. */ -static pumitem_T *compl_match_array = NULL; -static int compl_match_arraysize; - -/* - * Update the screen and when there is any scrolling remove the popup menu. - */ - static void -ins_compl_upd_pum(void) -{ - int h; - - if (compl_match_array != NULL) - { - h = curwin->w_cline_height; - // Update the screen later, before drawing the popup menu over it. - pum_call_update_screen(); - if (h != curwin->w_cline_height) - ins_compl_del_pum(); - } -} - -/* - * Remove any popup menu. - */ - static void -ins_compl_del_pum(void) -{ - if (compl_match_array != NULL) - { - pum_undisplay(); - VIM_CLEAR(compl_match_array); - } -} - -/* - * Return TRUE if the popup menu should be displayed. - */ - static int -pum_wanted(void) -{ - /* 'completeopt' must contain "menu" or "menuone" */ - if (vim_strchr(p_cot, 'm') == NULL) - return FALSE; - - /* The display looks bad on a B&W display. */ - if (t_colors < 8 -#ifdef FEAT_GUI - && !gui.in_use -#endif - ) - return FALSE; - return TRUE; -} - -/* - * Return TRUE if there are two or more matches to be shown in the popup menu. - * One if 'completopt' contains "menuone". - */ - static int -pum_enough_matches(void) -{ - compl_T *compl; - int i; - - /* Don't display the popup menu if there are no matches or there is only - * one (ignoring the original text). */ - compl = compl_first_match; - i = 0; - do - { - if (compl == NULL - || ((compl->cp_flags & ORIGINAL_TEXT) == 0 && ++i == 2)) - break; - compl = compl->cp_next; - } while (compl != compl_first_match); - - if (strstr((char *)p_cot, "menuone") != NULL) - return (i >= 1); - return (i >= 2); -} - -/* - * Show the popup menu for the list of matches. - * Also adjusts "compl_shown_match" to an entry that is actually displayed. - */ - void -ins_compl_show_pum(void) -{ - compl_T *compl; - compl_T *shown_compl = NULL; - int did_find_shown_match = FALSE; - int shown_match_ok = FALSE; - int i; - int cur = -1; - colnr_T col; - int lead_len = 0; - - if (!pum_wanted() || !pum_enough_matches()) - return; - -#if defined(FEAT_EVAL) - /* Dirty hard-coded hack: remove any matchparen highlighting. */ - do_cmdline_cmd((char_u *)"if exists('g:loaded_matchparen')|3match none|endif"); -#endif - - // Update the screen later, before drawing the popup menu over it. - pum_call_update_screen(); - - if (compl_match_array == NULL) - { - /* Need to build the popup menu list. */ - compl_match_arraysize = 0; - compl = compl_first_match; - if (compl_leader != NULL) - lead_len = (int)STRLEN(compl_leader); - do - { - if ((compl->cp_flags & ORIGINAL_TEXT) == 0 - && (compl_leader == NULL - || ins_compl_equal(compl, compl_leader, lead_len))) - ++compl_match_arraysize; - compl = compl->cp_next; - } while (compl != NULL && compl != compl_first_match); - if (compl_match_arraysize == 0) - return; - compl_match_array = (pumitem_T *)alloc_clear( - (unsigned)(sizeof(pumitem_T) - * compl_match_arraysize)); - if (compl_match_array != NULL) - { - /* If the current match is the original text don't find the first - * match after it, don't highlight anything. */ - if (compl_shown_match->cp_flags & ORIGINAL_TEXT) - shown_match_ok = TRUE; - - i = 0; - compl = compl_first_match; - do - { - if ((compl->cp_flags & ORIGINAL_TEXT) == 0 - && (compl_leader == NULL - || ins_compl_equal(compl, compl_leader, lead_len))) - { - if (!shown_match_ok) - { - if (compl == compl_shown_match || did_find_shown_match) - { - /* This item is the shown match or this is the - * first displayed item after the shown match. */ - compl_shown_match = compl; - did_find_shown_match = TRUE; - shown_match_ok = TRUE; - } - else - /* Remember this displayed match for when the - * shown match is just below it. */ - shown_compl = compl; - cur = i; - } - - if (compl->cp_text[CPT_ABBR] != NULL) - compl_match_array[i].pum_text = - compl->cp_text[CPT_ABBR]; - else - compl_match_array[i].pum_text = compl->cp_str; - compl_match_array[i].pum_kind = compl->cp_text[CPT_KIND]; - compl_match_array[i].pum_info = compl->cp_text[CPT_INFO]; - if (compl->cp_text[CPT_MENU] != NULL) - compl_match_array[i++].pum_extra = - compl->cp_text[CPT_MENU]; - else - compl_match_array[i++].pum_extra = compl->cp_fname; - } - - if (compl == compl_shown_match) - { - did_find_shown_match = TRUE; - - /* When the original text is the shown match don't set - * compl_shown_match. */ - if (compl->cp_flags & ORIGINAL_TEXT) - shown_match_ok = TRUE; - - if (!shown_match_ok && shown_compl != NULL) - { - /* The shown match isn't displayed, set it to the - * previously displayed match. */ - compl_shown_match = shown_compl; - shown_match_ok = TRUE; - } - } - compl = compl->cp_next; - } while (compl != NULL && compl != compl_first_match); - - if (!shown_match_ok) /* no displayed match at all */ - cur = -1; - } - } - else - { - /* popup menu already exists, only need to find the current item.*/ - for (i = 0; i < compl_match_arraysize; ++i) - if (compl_match_array[i].pum_text == compl_shown_match->cp_str - || compl_match_array[i].pum_text - == compl_shown_match->cp_text[CPT_ABBR]) - { - cur = i; - break; - } - } - - if (compl_match_array != NULL) - { - /* In Replace mode when a $ is displayed at the end of the line only - * part of the screen would be updated. We do need to redraw here. */ - dollar_vcol = -1; - - /* Compute the screen column of the start of the completed text. - * Use the cursor to get all wrapping and other settings right. */ - col = curwin->w_cursor.col; - curwin->w_cursor.col = compl_col; - pum_display(compl_match_array, compl_match_arraysize, cur); - curwin->w_cursor.col = col; - } -} - -#define DICT_FIRST (1) /* use just first element in "dict" */ -#define DICT_EXACT (2) /* "dict" is the exact name of a file */ - -/* - * Add any identifiers that match the given pattern in the list of dictionary - * files "dict_start" to the list of completions. - */ - static void -ins_compl_dictionaries( - char_u *dict_start, - char_u *pat, - int flags, /* DICT_FIRST and/or DICT_EXACT */ - int thesaurus) /* Thesaurus completion */ -{ - char_u *dict = dict_start; - char_u *ptr; - char_u *buf; - regmatch_T regmatch; - char_u **files; - int count; - int save_p_scs; - int dir = compl_direction; - - if (*dict == NUL) - { -#ifdef FEAT_SPELL - /* When 'dictionary' is empty and spell checking is enabled use - * "spell". */ - if (!thesaurus && curwin->w_p_spell) - dict = (char_u *)"spell"; - else -#endif - return; - } - - buf = alloc(LSIZE); - if (buf == NULL) - return; - regmatch.regprog = NULL; /* so that we can goto theend */ - - /* If 'infercase' is set, don't use 'smartcase' here */ - save_p_scs = p_scs; - if (curbuf->b_p_inf) - p_scs = FALSE; - - /* When invoked to match whole lines for CTRL-X CTRL-L adjust the pattern - * to only match at the start of a line. Otherwise just match the - * pattern. Also need to double backslashes. */ - if (CTRL_X_MODE_LINE_OR_EVAL(ctrl_x_mode)) - { - char_u *pat_esc = vim_strsave_escaped(pat, (char_u *)"\\"); - size_t len; - - if (pat_esc == NULL) - goto theend; - len = STRLEN(pat_esc) + 10; - ptr = alloc((unsigned)len); - if (ptr == NULL) - { - vim_free(pat_esc); - goto theend; - } - vim_snprintf((char *)ptr, len, "^\\s*\\zs\\V%s", pat_esc); - regmatch.regprog = vim_regcomp(ptr, RE_MAGIC); - vim_free(pat_esc); - vim_free(ptr); - } - else - { - regmatch.regprog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0); - if (regmatch.regprog == NULL) - goto theend; - } - - /* ignore case depends on 'ignorecase', 'smartcase' and "pat" */ - regmatch.rm_ic = ignorecase(pat); - while (*dict != NUL && !got_int && !compl_interrupted) - { - /* copy one dictionary file name into buf */ - if (flags == DICT_EXACT) - { - count = 1; - files = &dict; - } - else - { - /* Expand wildcards in the dictionary name, but do not allow - * backticks (for security, the 'dict' option may have been set in - * a modeline). */ - copy_option_part(&dict, buf, LSIZE, ","); -# ifdef FEAT_SPELL - if (!thesaurus && STRCMP(buf, "spell") == 0) - count = -1; - else -# endif - if (vim_strchr(buf, '`') != NULL - || expand_wildcards(1, &buf, &count, &files, - EW_FILE|EW_SILENT) != OK) - count = 0; - } - -# ifdef FEAT_SPELL - if (count == -1) - { - /* Complete from active spelling. Skip "\<" in the pattern, we - * don't use it as a RE. */ - if (pat[0] == '\\' && pat[1] == '<') - ptr = pat + 2; - else - ptr = pat; - spell_dump_compl(ptr, regmatch.rm_ic, &dir, 0); - } - else -# endif - if (count > 0) /* avoid warning for using "files" uninit */ - { - ins_compl_files(count, files, thesaurus, flags, - ®match, buf, &dir); - if (flags != DICT_EXACT) - FreeWild(count, files); - } - if (flags != 0) - break; - } - -theend: - p_scs = save_p_scs; - vim_regfree(regmatch.regprog); - vim_free(buf); -} - - static void -ins_compl_files( - int count, - char_u **files, - int thesaurus, - int flags, - regmatch_T *regmatch, - char_u *buf, - int *dir) -{ - char_u *ptr; - int i; - FILE *fp; - int add_r; - - for (i = 0; i < count && !got_int && !compl_interrupted; i++) - { - fp = mch_fopen((char *)files[i], "r"); /* open dictionary file */ - if (flags != DICT_EXACT) - { - vim_snprintf((char *)IObuff, IOSIZE, - _("Scanning dictionary: %s"), (char *)files[i]); - (void)msg_trunc_attr((char *)IObuff, TRUE, HL_ATTR(HLF_R)); - } - - if (fp != NULL) - { - /* - * Read dictionary file line by line. - * Check each line for a match. - */ - while (!got_int && !compl_interrupted - && !vim_fgets(buf, LSIZE, fp)) - { - ptr = buf; - while (vim_regexec(regmatch, buf, (colnr_T)(ptr - buf))) - { - ptr = regmatch->startp[0]; - if (CTRL_X_MODE_LINE_OR_EVAL(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, 0); - if (thesaurus) - { - char_u *wstart; - - /* - * Add the other matches on the line - */ - ptr = buf; - while (!got_int) - { - /* Find start of the next word. Skip white - * space and punctuation. */ - ptr = find_word_start(ptr); - if (*ptr == NUL || *ptr == NL) - break; - wstart = ptr; - - /* Find end of the word. */ - if (has_mbyte) - /* Japanese words may have characters in - * different classes, only separate words - * with single-byte non-word characters. */ - while (*ptr != NUL) - { - int l = (*mb_ptr2len)(ptr); - - if (l < 2 && !vim_iswordc(*ptr)) - break; - ptr += l; - } - else - ptr = find_word_end(ptr); - - /* Add the word. Skip the regexp match. */ - if (wstart != regmatch->startp[0]) - add_r = ins_compl_add_infercase(wstart, - (int)(ptr - wstart), - p_ic, files[i], *dir, 0); - } - } - if (add_r == OK) - /* if dir was BACKWARD then honor it just once */ - *dir = FORWARD; - else if (add_r == FAIL) - break; - /* avoid expensive call to vim_regexec() when at end - * of line */ - if (*ptr == '\n' || got_int) - break; - } - line_breakcheck(); - ins_compl_check_keys(50, FALSE); - } - fclose(fp); - } - } -} - -/* - * Find the start of the next word. - * Returns a pointer to the first char of the word. Also stops at a NUL. - */ - char_u * -find_word_start(char_u *ptr) -{ - if (has_mbyte) - while (*ptr != NUL && *ptr != '\n' && mb_get_class(ptr) <= 1) - ptr += (*mb_ptr2len)(ptr); - else - while (*ptr != NUL && *ptr != '\n' && !vim_iswordc(*ptr)) - ++ptr; - return ptr; -} - -/* - * Find the end of the word. Assumes it starts inside a word. - * Returns a pointer to just after the word. - */ - char_u * -find_word_end(char_u *ptr) -{ - int start_class; - - if (has_mbyte) - { - start_class = mb_get_class(ptr); - if (start_class > 1) - while (*ptr != NUL) - { - ptr += (*mb_ptr2len)(ptr); - if (mb_get_class(ptr) != start_class) - break; - } - } - else - while (vim_iswordc(*ptr)) - ++ptr; - return ptr; -} - -/* - * Find the end of the line, omitting CR and NL at the end. - * Returns a pointer to just after the line. - */ - static char_u * -find_line_end(char_u *ptr) -{ - char_u *s; - - s = ptr + STRLEN(ptr); - while (s > ptr && (s[-1] == CAR || s[-1] == NL)) - --s; - return s; -} - -/* - * Free the list of completions - */ - static void -ins_compl_free(void) -{ - compl_T *match; - int i; - - VIM_CLEAR(compl_pattern); - VIM_CLEAR(compl_leader); - - if (compl_first_match == NULL) - return; - - ins_compl_del_pum(); - pum_clear(); - - compl_curr_match = compl_first_match; - do - { - match = compl_curr_match; - compl_curr_match = compl_curr_match->cp_next; - vim_free(match->cp_str); - /* several entries may use the same fname, free it just once. */ - if (match->cp_flags & FREE_FNAME) - vim_free(match->cp_fname); - for (i = 0; i < CPT_COUNT; ++i) - vim_free(match->cp_text[i]); - vim_free(match); - } while (compl_curr_match != NULL && compl_curr_match != compl_first_match); - compl_first_match = compl_curr_match = NULL; - compl_shown_match = NULL; - compl_old_match = NULL; -} - - static void -ins_compl_clear(void) -{ - compl_cont_status = 0; - compl_started = FALSE; - compl_matches = 0; - VIM_CLEAR(compl_pattern); - VIM_CLEAR(compl_leader); - edit_submode_extra = NULL; - VIM_CLEAR(compl_orig_text); - compl_enter_selects = FALSE; - /* clear v:completed_item */ - set_vim_var_dict(VV_COMPLETED_ITEM, dict_alloc_lock(VAR_FIXED)); -} - -/* - * Return TRUE when Insert completion is active. - */ - int -ins_compl_active(void) -{ - return compl_started; -} - - -/* - * Get complete information - */ - void -get_complete_info(list_T *what_list, dict_T *retdict) -{ - int ret = OK; - listitem_T *item; -#define CI_WHAT_MODE 0x01 -#define CI_WHAT_PUM_VISIBLE 0x02 -#define CI_WHAT_ITEMS 0x04 -#define CI_WHAT_SELECTED 0x08 -#define CI_WHAT_INSERTED 0x10 -#define CI_WHAT_ALL 0xff - int what_flag; - - if (what_list == NULL) - what_flag = CI_WHAT_ALL; - else - { - what_flag = 0; - for (item = what_list->lv_first; item != NULL; item = item->li_next) - { - char_u *what = tv_get_string(&item->li_tv); - - if (STRCMP(what, "mode") == 0) - what_flag |= CI_WHAT_MODE; - else if (STRCMP(what, "pum_visible") == 0) - what_flag |= CI_WHAT_PUM_VISIBLE; - else if (STRCMP(what, "items") == 0) - what_flag |= CI_WHAT_ITEMS; - else if (STRCMP(what, "selected") == 0) - what_flag |= CI_WHAT_SELECTED; - else if (STRCMP(what, "inserted") == 0) - what_flag |= CI_WHAT_INSERTED; - } - } - - if (ret == OK && (what_flag & CI_WHAT_MODE)) - ret = dict_add_string(retdict, "mode", ins_compl_mode()); - - if (ret == OK && (what_flag & CI_WHAT_PUM_VISIBLE)) - ret = dict_add_number(retdict, "pum_visible", pum_visible()); - - if (ret == OK && (what_flag & CI_WHAT_ITEMS)) - { - list_T *li; - dict_T *di; - compl_T *match; - - li = list_alloc(); - if (li == NULL) - return; - ret = dict_add_list(retdict, "items", li); - if (ret == OK && compl_first_match != NULL) - { - match = compl_first_match; - do - { - if (!(match->cp_flags & ORIGINAL_TEXT)) - { - di = dict_alloc(); - if (di == NULL) - return; - ret = list_append_dict(li, di); - if (ret != OK) - return; - dict_add_string(di, "word", match->cp_str); - dict_add_string(di, "abbr", match->cp_text[CPT_ABBR]); - dict_add_string(di, "menu", match->cp_text[CPT_MENU]); - dict_add_string(di, "kind", match->cp_text[CPT_KIND]); - dict_add_string(di, "info", match->cp_text[CPT_INFO]); - dict_add_string(di, "user_data", - match->cp_text[CPT_USER_DATA]); - } - match = match->cp_next; - } - while (match != NULL && match != compl_first_match); - } - } - - if (ret == OK && (what_flag & CI_WHAT_SELECTED)) - ret = dict_add_number(retdict, "selected", (compl_curr_match != NULL) ? - compl_curr_match->cp_number - 1 : -1); - - // TODO - // if (ret == OK && (what_flag & CI_WHAT_INSERTED)) -} - -/* - * Return Insert completion mode name string - */ - static char_u * -ins_compl_mode(void) -{ - if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET || compl_started) - return (char_u *)ctrl_x_mode_names[ctrl_x_mode & ~CTRL_X_WANT_IDENT]; - - return (char_u *)""; -} - -/* - * 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; - char_u *p; - - line = ml_get_curline(); - p = line + curwin->w_cursor.col; - MB_PTR_BACK(line, p); - - /* Stop completion when the whole word was deleted. For Omni completion - * allow the word to be deleted, we won't match everything. - * Respect the 'backspace' option. */ - if ((int)(p - line) - (int)compl_col < 0 - || ((int)(p - line) - (int)compl_col == 0 - && ctrl_x_mode != CTRL_X_OMNI) || ctrl_x_mode == CTRL_X_EVAL - || (!can_bs(BS_START) && (int)(p - line) - (int)compl_col - - compl_length < 0)) - return K_BS; - - /* Deleted more than what was used to find matches or didn't finish - * finding all matches: need to look for matches all over again. */ - if (curwin->w_cursor.col <= compl_col + compl_length - || ins_compl_need_restart()) - ins_compl_restart(); - - vim_free(compl_leader); - compl_leader = vim_strnsave(line + compl_col, (int)(p - line) - compl_col); - if (compl_leader != NULL) - { - ins_compl_new_leader(); - if (compl_shown_match != NULL) - /* Make sure current match is not a hidden item. */ - compl_curr_match = compl_shown_match; - return NUL; - } - return K_BS; -} - -/* - * Return TRUE when we need to find matches again, ins_compl_restart() is to - * be called. - */ - static int -ins_compl_need_restart(void) -{ - /* Return TRUE if we didn't complete finding matches or when the - * 'completefunc' returned "always" in the "refresh" dictionary item. */ - return compl_was_interrupted - || ((ctrl_x_mode == CTRL_X_FUNCTION || ctrl_x_mode == CTRL_X_OMNI) - && compl_opt_refresh_always); -} - -/* - * Called after changing "compl_leader". - * Show the popup menu with a different set of matches. - * May also search for matches again if the previous search was interrupted. - */ - static void -ins_compl_new_leader(void) -{ - ins_compl_del_pum(); - ins_compl_delete(); - ins_bytes(compl_leader + ins_compl_len()); - compl_used_match = FALSE; - - if (compl_started) - ins_compl_set_original_text(compl_leader); - else - { -#ifdef FEAT_SPELL - spell_bad_len = 0; /* need to redetect bad word */ -#endif - /* - * Matches were cleared, need to search for them now. Befor drawing - * the popup menu display the changed text before the cursor. Set - * "compl_restarting" to avoid that the first match is inserted. - */ - pum_call_update_screen(); -#ifdef FEAT_GUI - if (gui.in_use) - { - /* Show the cursor after the match, not after the redrawn text. */ - setcursor(); - out_flush_cursor(FALSE, FALSE); - } -#endif - compl_restarting = TRUE; - if (ins_complete(Ctrl_N, TRUE) == FAIL) - compl_cont_status = 0; - compl_restarting = FALSE; - } - - compl_enter_selects = !compl_used_match; - - /* Show the popup menu with a different set of matches. */ - ins_compl_show_pum(); - - /* Don't let Enter select the original text when there is no popup menu. */ - if (compl_match_array == NULL) - compl_enter_selects = FALSE; -} - -/* - * Return the length of the completion, from the completion start column to - * the cursor column. Making sure it never goes below zero. - */ - static int -ins_compl_len(void) -{ - int off = (int)curwin->w_cursor.col - (int)compl_col; - - if (off < 0) - return 0; - return off; -} - -/* - * Append one character to the match leader. May reduce the number of - * matches. - */ - static void -ins_compl_addleader(int c) -{ - int cc; - - if (stop_arrow() == FAIL) - return; - if (has_mbyte && (cc = (*mb_char2len)(c)) > 1) - { - char_u buf[MB_MAXBYTES + 1]; - - (*mb_char2bytes)(c, buf); - buf[cc] = NUL; - ins_char_bytes(buf, cc); - if (compl_opt_refresh_always) - AppendToRedobuff(buf); - } - else - { - ins_char(c); - if (compl_opt_refresh_always) - AppendCharToRedobuff(c); - } - - /* If we didn't complete finding matches we must search again. */ - if (ins_compl_need_restart()) - ins_compl_restart(); - - /* When 'always' is set, don't reset compl_leader. While completing, - * cursor doesn't point original position, changing compl_leader would - * break redo. */ - if (!compl_opt_refresh_always) - { - vim_free(compl_leader); - compl_leader = vim_strnsave(ml_get_curline() + compl_col, - (int)(curwin->w_cursor.col - compl_col)); - if (compl_leader != NULL) - ins_compl_new_leader(); - } -} - -/* - * Setup for finding completions again without leaving CTRL-X mode. Used when - * BS or a key was typed while still searching for matches. - */ - static void -ins_compl_restart(void) -{ - ins_compl_free(); - compl_started = FALSE; - compl_matches = 0; - compl_cont_status = 0; - compl_cont_mode = 0; -} - -/* - * Set the first match, the original text. - */ - static void -ins_compl_set_original_text(char_u *str) -{ - char_u *p; - - /* Replace the original text entry. - * The 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 & ORIGINAL_TEXT) /* safety check */ - { - p = vim_strsave(str); - if (p != NULL) - { - vim_free(compl_first_match->cp_str); - compl_first_match->cp_str = p; - } - } - else if (compl_first_match->cp_prev != NULL - && (compl_first_match->cp_prev->cp_flags & ORIGINAL_TEXT)) - { - p = vim_strsave(str); - if (p != NULL) - { - vim_free(compl_first_match->cp_prev->cp_str); - compl_first_match->cp_prev->cp_str = p; - } - } -} - -/* - * Append one character to the match leader. May reduce the number of - * matches. - */ - static void -ins_compl_addfrommatch(void) -{ - char_u *p; - int len = (int)curwin->w_cursor.col - (int)compl_col; - int c; - compl_T *cp; - - p = compl_shown_match->cp_str; - if ((int)STRLEN(p) <= len) /* the match is too short */ - { - /* When still at the original match use the first entry that matches - * the leader. */ - if (compl_shown_match->cp_flags & ORIGINAL_TEXT) - { - p = NULL; - for (cp = compl_shown_match->cp_next; cp != NULL - && cp != compl_first_match; cp = cp->cp_next) - { - if (compl_leader == NULL - || ins_compl_equal(cp, compl_leader, - (int)STRLEN(compl_leader))) - { - p = cp->cp_str; - break; - } - } - if (p == NULL || (int)STRLEN(p) <= len) - return; - } - else - return; - } - p += len; - c = PTR2CHAR(p); - ins_compl_addleader(c); -} - -/* - * Prepare for Insert mode completion, or stop it. - * Called just after typing a character in Insert mode. - * Returns TRUE when the character is not to be inserted; - */ - static int -ins_compl_prep(int c) -{ - char_u *ptr; - int want_cindent; - int retval = FALSE; - - /* Forget any previous 'special' messages if this is actually - * a ^X mode key - bar ^R, in which case we wait to see what it gives us. - */ - if (c != Ctrl_R && vim_is_ctrl_x_key(c)) - edit_submode_extra = NULL; - - /* Ignore end of Select mode mapping and mouse scroll buttons. */ - if (c == K_SELECT || c == K_MOUSEDOWN || c == K_MOUSEUP - || c == K_MOUSELEFT || c == K_MOUSERIGHT) - return retval; - - /* Set "compl_get_longest" when finding the first matches. */ - if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET - || (ctrl_x_mode == CTRL_X_NORMAL && !compl_started)) - { - compl_get_longest = (strstr((char *)p_cot, "longest") != NULL); - compl_used_match = TRUE; - - } - - if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET) - { - /* - * We have just typed CTRL-X and aren't quite sure which CTRL-X mode - * it will be yet. Now we decide. - */ - switch (c) - { - case Ctrl_E: - case Ctrl_Y: - ctrl_x_mode = CTRL_X_SCROLL; - if (!(State & REPLACE_FLAG)) - edit_submode = (char_u *)_(" (insert) Scroll (^E/^Y)"); - else - edit_submode = (char_u *)_(" (replace) Scroll (^E/^Y)"); - edit_submode_pre = NULL; - showmode(); - break; - case Ctrl_L: - ctrl_x_mode = CTRL_X_WHOLE_LINE; - break; - case Ctrl_F: - ctrl_x_mode = CTRL_X_FILES; - break; - case Ctrl_K: - ctrl_x_mode = CTRL_X_DICTIONARY; - break; - case Ctrl_R: - /* Simply allow ^R to happen without affecting ^X mode */ - break; - case Ctrl_T: - ctrl_x_mode = CTRL_X_THESAURUS; - break; -#ifdef FEAT_COMPL_FUNC - case Ctrl_U: - ctrl_x_mode = CTRL_X_FUNCTION; - break; - case Ctrl_O: - ctrl_x_mode = CTRL_X_OMNI; - break; -#endif - case 's': - case Ctrl_S: - ctrl_x_mode = CTRL_X_SPELL; -#ifdef FEAT_SPELL - ++emsg_off; /* Avoid getting the E756 error twice. */ - spell_back_to_badword(); - --emsg_off; -#endif - break; - case Ctrl_RSB: - ctrl_x_mode = CTRL_X_TAGS; - break; -#ifdef FEAT_FIND_ID - case Ctrl_I: - case K_S_TAB: - ctrl_x_mode = CTRL_X_PATH_PATTERNS; - break; - case Ctrl_D: - ctrl_x_mode = CTRL_X_PATH_DEFINES; - break; -#endif - case Ctrl_V: - case Ctrl_Q: - ctrl_x_mode = CTRL_X_CMDLINE; - break; - case Ctrl_P: - case Ctrl_N: - /* ^X^P means LOCAL expansion if nothing interrupted (eg we - * just started ^X mode, or there were enough ^X's to cancel - * the previous mode, say ^X^F^X^X^P or ^P^X^X^X^P, see below) - * do normal expansion when interrupting a different mode (say - * ^X^F^X^P or ^P^X^X^P, see below) - * nothing changes if interrupting mode 0, (eg, the flag - * doesn't change when going to ADDING mode -- Acevedo */ - if (!(compl_cont_status & CONT_INTRPT)) - compl_cont_status |= CONT_LOCAL; - else if (compl_cont_mode != 0) - compl_cont_status &= ~CONT_LOCAL; - /* FALLTHROUGH */ - default: - /* If we have typed at least 2 ^X's... for modes != 0, we set - * compl_cont_status = 0 (eg, as if we had just started ^X - * mode). - * For mode 0, we set "compl_cont_mode" to an impossible - * value, in both cases ^X^X can be used to restart the same - * mode (avoiding ADDING mode). - * Undocumented feature: In a mode != 0 ^X^P and ^X^X^P start - * 'complete' and local ^P expansions respectively. - * In mode 0 an extra ^X is needed since ^X^P goes to ADDING - * mode -- Acevedo */ - if (c == Ctrl_X) - { - if (compl_cont_mode != 0) - compl_cont_status = 0; - else - compl_cont_mode = CTRL_X_NOT_DEFINED_YET; - } - ctrl_x_mode = CTRL_X_NORMAL; - edit_submode = NULL; - showmode(); - break; - } - } - else if (ctrl_x_mode != CTRL_X_NORMAL) - { - /* We're already in CTRL-X mode, do we stay in it? */ - if (!vim_is_ctrl_x_key(c)) - { - if (ctrl_x_mode == CTRL_X_SCROLL) - ctrl_x_mode = CTRL_X_NORMAL; - else - ctrl_x_mode = CTRL_X_FINISHED; - edit_submode = NULL; - } - showmode(); - } - - if (compl_started || ctrl_x_mode == CTRL_X_FINISHED) - { - /* Show error message from attempted keyword completion (probably - * 'Pattern not found') until another key is hit, then go back to - * showing what mode we are in. */ - showmode(); - if ((ctrl_x_mode == CTRL_X_NORMAL && c != Ctrl_N && c != Ctrl_P - && c != Ctrl_R && !ins_compl_pum_key(c)) - || ctrl_x_mode == CTRL_X_FINISHED) - { - /* Get here when we have finished typing a sequence of ^N and - * ^P or other completion characters in CTRL-X mode. Free up - * memory that was used, and make sure we can redo the insert. */ - if (compl_curr_match != NULL || compl_leader != NULL || c == Ctrl_E) - { - /* - * If any of the original typed text has been changed, eg when - * ignorecase is set, we must add back-spaces to the redo - * buffer. We add as few as necessary to delete just the part - * of the original text that has changed. - * When using the longest match, edited the match or used - * CTRL-E then don't use the current match. - */ - if (compl_curr_match != NULL && compl_used_match && c != Ctrl_E) - ptr = compl_curr_match->cp_str; - else - ptr = NULL; - ins_compl_fixRedoBufForLeader(ptr); - } - -#ifdef FEAT_CINDENT - want_cindent = (can_cindent && cindent_on()); -#endif - /* - * When completing whole lines: fix indent for 'cindent'. - * Otherwise, break line if it's too long. - */ - if (compl_cont_mode == CTRL_X_WHOLE_LINE) - { -#ifdef FEAT_CINDENT - /* re-indent the current line */ - if (want_cindent) - { - do_c_expr_indent(); - want_cindent = FALSE; /* don't do it again */ - } -#endif - } - else - { - int prev_col = curwin->w_cursor.col; - - /* put the cursor on the last char, for 'tw' formatting */ - if (prev_col > 0) - dec_cursor(); - /* only format when something was inserted */ - if (!arrow_used && !ins_need_undo && c != Ctrl_E) - insertchar(NUL, 0, -1); - if (prev_col > 0 - && ml_get_curline()[curwin->w_cursor.col] != NUL) - inc_cursor(); - } - - /* If the popup menu is displayed pressing CTRL-Y means accepting - * the selection without inserting anything. When - * compl_enter_selects is set the Enter key does the same. */ - if ((c == Ctrl_Y || (compl_enter_selects - && (c == CAR || c == K_KENTER || c == NL))) - && pum_visible()) - retval = TRUE; - - /* CTRL-E means completion is Ended, go back to the typed text. - * but only do this, if the Popup is still visible */ - if (c == Ctrl_E) - { - ins_compl_delete(); - if (compl_leader != NULL) - ins_bytes(compl_leader + ins_compl_len()); - else if (compl_first_match != NULL) - ins_bytes(compl_orig_text + ins_compl_len()); - retval = TRUE; - } - - auto_format(FALSE, TRUE); - - ins_compl_free(); - compl_started = FALSE; - compl_matches = 0; - if (!shortmess(SHM_COMPLETIONMENU)) - msg_clr_cmdline(); /* necessary for "noshowmode" */ - ctrl_x_mode = CTRL_X_NORMAL; - compl_enter_selects = FALSE; - if (edit_submode != NULL) - { - edit_submode = NULL; - showmode(); - } - -#ifdef FEAT_CMDWIN - if (c == Ctrl_C && cmdwin_type != 0) - /* Avoid the popup menu remains displayed when leaving the - * command line window. */ - update_screen(0); -#endif -#ifdef FEAT_CINDENT - /* - * Indent now if a key was typed that is in 'cinkeys'. - */ - if (want_cindent && in_cinkeys(KEY_COMPLETE, ' ', inindent(0))) - do_c_expr_indent(); -#endif - /* Trigger the CompleteDone event to give scripts a chance to act - * upon the completion. */ - ins_apply_autocmds(EVENT_COMPLETEDONE); - } - } - else if (ctrl_x_mode == CTRL_X_LOCAL_MSG) - /* Trigger the CompleteDone event to give scripts a chance to act - * upon the (possibly failed) completion. */ - ins_apply_autocmds(EVENT_COMPLETEDONE); - - /* reset continue_* if we left expansion-mode, if we stay they'll be - * (re)set properly in ins_complete() */ - if (!vim_is_ctrl_x_key(c)) - { - compl_cont_status = 0; - compl_cont_mode = 0; - } - - return retval; -} - -/* - * Fix the redo buffer for the completion leader replacing some of the typed - * text. This inserts backspaces and appends the changed text. - * "ptr" is the known leader text or NUL. - */ - static void -ins_compl_fixRedoBufForLeader(char_u *ptr_arg) -{ - int len; - char_u *p; - char_u *ptr = ptr_arg; - - if (ptr == NULL) - { - if (compl_leader != NULL) - ptr = compl_leader; - else - return; /* nothing to do */ - } - if (compl_orig_text != NULL) - { - p = compl_orig_text; - for (len = 0; p[len] != NUL && p[len] == ptr[len]; ++len) - ; - if (len > 0) - len -= (*mb_head_off)(p, p + len); - for (p += len; *p != NUL; MB_PTR_ADV(p)) - AppendCharToRedobuff(K_BS); - } - else - len = 0; - if (ptr != NULL) - AppendToRedobuffLit(ptr + len, -1); -} - -/* - * Loops through the list of windows, loaded-buffers or non-loaded-buffers - * (depending on flag) starting from buf and looking for a non-scanned - * buffer (other than curbuf). curbuf is special, if it is called with - * buf=curbuf then it has to be the first call for a given flag/expansion. - * - * Returns the buffer to scan, if any, otherwise returns curbuf -- Acevedo - */ - static buf_T * -ins_compl_next_buf(buf_T *buf, int flag) -{ - static win_T *wp = NULL; - - if (flag == 'w') // just windows - { - if (buf == curbuf || wp == NULL) // first call for this flag/expansion - wp = curwin; - while ((wp = (wp->w_next != NULL ? wp->w_next : firstwin)) != curwin - && wp->w_buffer->b_scanned) - ; - buf = wp->w_buffer; - } - else - /* 'b' (just loaded buffers), 'u' (just non-loaded buffers) or 'U' - * (unlisted buffers) - * When completing whole lines skip unloaded buffers. */ - while ((buf = (buf->b_next != NULL ? buf->b_next : firstbuf)) != curbuf - && ((flag == 'U' - ? buf->b_p_bl - : (!buf->b_p_bl - || (buf->b_ml.ml_mfp == NULL) != (flag == 'u'))) - || buf->b_scanned)) - ; - return buf; -} - -#ifdef FEAT_COMPL_FUNC -/* - * Execute user defined complete function 'completefunc' or 'omnifunc', and - * get matches in "matches". - */ - static void -expand_by_function( - int type, /* CTRL_X_OMNI or CTRL_X_FUNCTION */ - char_u *base) -{ - list_T *matchlist = NULL; - dict_T *matchdict = NULL; - typval_T args[3]; - char_u *funcname; - pos_T pos; - win_T *curwin_save; - buf_T *curbuf_save; - typval_T rettv; - int save_State = State; - - funcname = (type == CTRL_X_FUNCTION) ? curbuf->b_p_cfu : curbuf->b_p_ofu; - if (*funcname == NUL) - return; - - /* Call 'completefunc' to obtain the list of matches. */ - args[0].v_type = VAR_NUMBER; - args[0].vval.v_number = 0; - args[1].v_type = VAR_STRING; - args[1].vval.v_string = base != NULL ? base : (char_u *)""; - args[2].v_type = VAR_UNKNOWN; - - pos = curwin->w_cursor; - curwin_save = curwin; - curbuf_save = curbuf; - - /* Call a function, which returns a list or dict. */ - if (call_vim_function(funcname, 2, args, &rettv) == OK) - { - switch (rettv.v_type) - { - case VAR_LIST: - matchlist = rettv.vval.v_list; - break; - case VAR_DICT: - matchdict = rettv.vval.v_dict; - break; - case VAR_SPECIAL: - if (rettv.vval.v_number == VVAL_NONE) - compl_opt_suppress_empty = TRUE; - // FALLTHROUGH - default: - // TODO: Give error message? - clear_tv(&rettv); - break; - } - } - - if (curwin_save != curwin || curbuf_save != curbuf) - { - emsg(_(e_complwin)); - goto theend; - } - curwin->w_cursor = pos; /* restore the cursor position */ - validate_cursor(); - if (!EQUAL_POS(curwin->w_cursor, pos)) - { - emsg(_(e_compldel)); - goto theend; - } - - if (matchlist != NULL) - ins_compl_add_list(matchlist); - else if (matchdict != NULL) - ins_compl_add_dict(matchdict); - -theend: - // Restore State, it might have been changed. - State = save_State; - - if (matchdict != NULL) - dict_unref(matchdict); - if (matchlist != NULL) - list_unref(matchlist); -} -#endif /* FEAT_COMPL_FUNC */ - -#if defined(FEAT_COMPL_FUNC) || defined(FEAT_EVAL) || defined(PROTO) -/* - * Add completions from a list. - */ - static void -ins_compl_add_list(list_T *list) -{ - listitem_T *li; - int dir = compl_direction; - - /* Go through the List with matches and add each of them. */ - for (li = list->lv_first; li != NULL; li = li->li_next) - { - if (ins_compl_add_tv(&li->li_tv, dir) == OK) - /* if dir was BACKWARD then honor it just once */ - dir = FORWARD; - else if (did_emsg) - break; - } -} - -/* - * Add completions from a dict. - */ - static void -ins_compl_add_dict(dict_T *dict) -{ - dictitem_T *di_refresh; - dictitem_T *di_words; - - /* Check for optional "refresh" item. */ - compl_opt_refresh_always = FALSE; - di_refresh = dict_find(dict, (char_u *)"refresh", 7); - if (di_refresh != NULL && di_refresh->di_tv.v_type == VAR_STRING) - { - char_u *v = di_refresh->di_tv.vval.v_string; - - if (v != NULL && STRCMP(v, (char_u *)"always") == 0) - compl_opt_refresh_always = TRUE; - } - - /* Add completions from a "words" list. */ - di_words = dict_find(dict, (char_u *)"words", 5); - if (di_words != NULL && di_words->di_tv.v_type == VAR_LIST) - ins_compl_add_list(di_words->di_tv.vval.v_list); -} - -/* - * Add a match to the list of matches from a typeval_T. - * If the given string is already in the list of completions, then return - * NOTDONE, otherwise add it to the list and return OK. If there is an error, - * maybe because alloc() returns NULL, then FAIL is returned. - */ - int -ins_compl_add_tv(typval_T *tv, int dir) -{ - char_u *word; - int icase = FALSE; - int adup = FALSE; - int aempty = FALSE; - char_u *(cptext[CPT_COUNT]); - - if (tv->v_type == VAR_DICT && tv->vval.v_dict != NULL) - { - word = dict_get_string(tv->vval.v_dict, (char_u *)"word", FALSE); - cptext[CPT_ABBR] = dict_get_string(tv->vval.v_dict, - (char_u *)"abbr", FALSE); - cptext[CPT_MENU] = dict_get_string(tv->vval.v_dict, - (char_u *)"menu", FALSE); - cptext[CPT_KIND] = dict_get_string(tv->vval.v_dict, - (char_u *)"kind", FALSE); - cptext[CPT_INFO] = dict_get_string(tv->vval.v_dict, - (char_u *)"info", FALSE); - cptext[CPT_USER_DATA] = dict_get_string(tv->vval.v_dict, - (char_u *)"user_data", FALSE); - if (dict_get_string(tv->vval.v_dict, (char_u *)"icase", FALSE) != NULL) - icase = dict_get_number(tv->vval.v_dict, (char_u *)"icase"); - if (dict_get_string(tv->vval.v_dict, (char_u *)"dup", FALSE) != NULL) - adup = dict_get_number(tv->vval.v_dict, (char_u *)"dup"); - if (dict_get_string(tv->vval.v_dict, (char_u *)"empty", FALSE) != NULL) - aempty = dict_get_number(tv->vval.v_dict, (char_u *)"empty"); - } - else - { - word = tv_get_string_chk(tv); - vim_memset(cptext, 0, sizeof(cptext)); - } - if (word == NULL || (!aempty && *word == NUL)) - return FAIL; - return ins_compl_add(word, -1, icase, NULL, cptext, dir, 0, adup); -} -#endif - -/* - * Get the next expansion(s), using "compl_pattern". - * The search starts at position "ini" in curbuf and in the direction - * compl_direction. - * When "compl_started" is FALSE start at that position, otherwise continue - * where we stopped searching before. - * This may return before finding all the matches. - * Return the total number of matches or -1 if still unknown -- Acevedo - */ - static int -ins_compl_get_exp(pos_T *ini) -{ - static pos_T first_match_pos; - static pos_T last_match_pos; - static char_u *e_cpt = (char_u *)""; /* curr. entry in 'complete' */ - static int found_all = FALSE; /* Found all matches of a - certain type. */ - static buf_T *ins_buf = NULL; /* buffer being scanned */ - - pos_T *pos; - char_u **matches; - int save_p_scs; - int save_p_ws; - int save_p_ic; - int i; - int num_matches; - int len; - int found_new_match; - int type = ctrl_x_mode; - char_u *ptr; - char_u *dict = NULL; - int dict_f = 0; - int set_match_pos; - - if (!compl_started) - { - FOR_ALL_BUFFERS(ins_buf) - ins_buf->b_scanned = 0; - found_all = FALSE; - ins_buf = curbuf; - e_cpt = (compl_cont_status & CONT_LOCAL) - ? (char_u *)"." : curbuf->b_p_cpt; - last_match_pos = first_match_pos = *ini; - } - else if (ins_buf != curbuf && !buf_valid(ins_buf)) - ins_buf = curbuf; // In case the buffer was wiped out. - - compl_old_match = compl_curr_match; /* remember the last current match */ - pos = (compl_direction == FORWARD) ? &last_match_pos : &first_match_pos; - - /* - * For ^N/^P loop over all the flags/windows/buffers in 'complete'. - */ - for (;;) - { - found_new_match = FAIL; - set_match_pos = FALSE; - - /* For ^N/^P pick a new entry from e_cpt if compl_started is off, - * or if found_all says this entry is done. For ^X^L only use the - * entries from 'complete' that look in loaded buffers. */ - if ((ctrl_x_mode == CTRL_X_NORMAL - || CTRL_X_MODE_LINE_OR_EVAL(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((char_u *)"buwU", *e_cpt) != NULL - && (ins_buf = ins_compl_next_buf(ins_buf, *e_cpt)) != curbuf) - { - /* Scan a buffer, but not the current one. */ - if (ins_buf->b_ml.ml_mfp != NULL) /* loaded buffer */ - { - compl_started = TRUE; - first_match_pos.col = last_match_pos.col = 0; - first_match_pos.lnum = ins_buf->b_ml.ml_line_count + 1; - last_match_pos.lnum = 0; - type = 0; - } - else /* unloaded buffer, scan like dictionary */ - { - found_all = TRUE; - if (ins_buf->b_fname == NULL) - continue; - type = CTRL_X_DICTIONARY; - dict = ins_buf->b_fname; - dict_f = DICT_EXACT; - } - vim_snprintf((char *)IObuff, IOSIZE, _("Scanning: %s"), - ins_buf->b_fname == NULL - ? buf_spname(ins_buf) - : ins_buf->b_sfname == NULL - ? ins_buf->b_fname - : ins_buf->b_sfname); - (void)msg_trunc_attr((char *)IObuff, TRUE, HL_ATTR(HLF_R)); - } - else if (*e_cpt == NUL) - break; - else - { - if (CTRL_X_MODE_LINE_OR_EVAL(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; - } - } -#ifdef FEAT_FIND_ID - else if (*e_cpt == 'i') - type = CTRL_X_PATH_PATTERNS; - else if (*e_cpt == 'd') - type = CTRL_X_PATH_DEFINES; -#endif - else if (*e_cpt == ']' || *e_cpt == 't') - { - type = CTRL_X_TAGS; - vim_snprintf((char *)IObuff, IOSIZE, _("Scanning tags.")); - (void)msg_trunc_attr((char *)IObuff, TRUE, HL_ATTR(HLF_R)); - } - else - type = -1; - - /* in any case e_cpt is advanced to the next entry */ - (void)copy_option_part(&e_cpt, IObuff, IOSIZE, ","); - - found_all = TRUE; - if (type == -1) - continue; - } - } - - /* If complete() was called then compl_pattern has been reset. The - * following won't work then, bail out. */ - if (compl_pattern == NULL) - break; - - switch (type) - { - case -1: - break; -#ifdef FEAT_FIND_ID - case CTRL_X_PATH_PATTERNS: - case CTRL_X_PATH_DEFINES: - find_pattern_in_path(compl_pattern, compl_direction, - (int)STRLEN(compl_pattern), FALSE, FALSE, - (type == CTRL_X_PATH_DEFINES - && !(compl_cont_status & CONT_SOL)) - ? FIND_DEFINE : FIND_ANY, 1L, ACTION_EXPAND, - (linenr_T)1, (linenr_T)MAXLNUM); - break; -#endif - - case CTRL_X_DICTIONARY: - case CTRL_X_THESAURUS: - ins_compl_dictionaries( - dict != NULL ? dict - : (type == CTRL_X_THESAURUS - ? (*curbuf->b_p_tsr == NUL - ? p_tsr - : curbuf->b_p_tsr) - : (*curbuf->b_p_dict == NUL - ? p_dict - : curbuf->b_p_dict)), - compl_pattern, - dict != NULL ? dict_f - : 0, type == CTRL_X_THESAURUS); - dict = NULL; - break; - - case CTRL_X_TAGS: - /* set p_ic according to p_ic, p_scs and pat for find_tags(). */ - save_p_ic = p_ic; - p_ic = ignorecase(compl_pattern); - - /* Find up to TAG_MANY matches. Avoids that an enormous number - * of matches is found when compl_pattern is empty */ - if (find_tags(compl_pattern, &num_matches, &matches, - TAG_REGEXP | TAG_NAMES | TAG_NOIC | TAG_INS_COMP - | (ctrl_x_mode != CTRL_X_NORMAL ? TAG_VERBOSE : 0), - TAG_MANY, curbuf->b_ffname) == OK && num_matches > 0) - { - ins_compl_add_matches(num_matches, matches, p_ic); - } - p_ic = save_p_ic; - break; - - case CTRL_X_FILES: - if (expand_wildcards(1, &compl_pattern, &num_matches, &matches, - EW_FILE|EW_DIR|EW_ADDSLASH|EW_SILENT) == OK) - { - - /* May change home directory back to "~". */ - tilde_replace(compl_pattern, num_matches, matches); - ins_compl_add_matches(num_matches, matches, p_fic || p_wic); - } - break; - - case CTRL_X_CMDLINE: - if (expand_cmdline(&compl_xp, compl_pattern, - (int)STRLEN(compl_pattern), - &num_matches, &matches) == EXPAND_OK) - ins_compl_add_matches(num_matches, matches, FALSE); - break; - -#ifdef FEAT_COMPL_FUNC - case CTRL_X_FUNCTION: - case CTRL_X_OMNI: - expand_by_function(type, compl_pattern); - break; -#endif - - case CTRL_X_SPELL: -#ifdef FEAT_SPELL - num_matches = expand_spelling(first_match_pos.lnum, - compl_pattern, &matches); - if (num_matches > 0) - ins_compl_add_matches(num_matches, matches, p_ic); -#endif - break; - - default: /* normal ^P/^N and ^X^L */ - /* - * If 'infercase' is set, don't use 'smartcase' here - */ - save_p_scs = p_scs; - if (ins_buf->b_p_inf) - p_scs = FALSE; - - /* Buffers other than curbuf are scanned from the beginning or the - * end but never from the middle, thus setting nowrapscan in this - * buffers is a good idea, on the other hand, we always set - * wrapscan for curbuf to avoid missing matches -- Acevedo,Webb */ - save_p_ws = p_ws; - if (ins_buf != curbuf) - p_ws = FALSE; - else if (*e_cpt == '.') - p_ws = TRUE; - for (;;) - { - int flags = 0; - - ++msg_silent; /* Don't want messages for wrapscan. */ - - /* CTRL_X_MODE_LINE_OR_EVAL(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(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, (linenr_T)0, NULL, NULL); - --msg_silent; - if (!compl_started || set_match_pos) - { - /* set "compl_started" even on fail */ - compl_started = TRUE; - first_match_pos = *pos; - last_match_pos = *pos; - set_match_pos = FALSE; - } - else if (first_match_pos.lnum == last_match_pos.lnum - && first_match_pos.col == last_match_pos.col) - found_new_match = FAIL; - if (found_new_match == FAIL) - { - if (ins_buf == curbuf) - found_all = TRUE; - break; - } - - /* when ADDING, the text before the cursor matches, skip it */ - if ( (compl_cont_status & CONT_ADDING) && ins_buf == curbuf - && ini->lnum == pos->lnum - && ini->col == pos->col) - continue; - ptr = ml_get_buf(ins_buf, pos->lnum, FALSE) + pos->col; - if (CTRL_X_MODE_LINE_OR_EVAL(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 = skipwhite(ptr); - } - len = (int)STRLEN(ptr); - } - else - { - char_u *tmp_ptr = ptr; - - if (compl_cont_status & CONT_ADDING) - { - tmp_ptr += compl_length; - /* Skip if already inside a word. */ - if (vim_iswordp(tmp_ptr)) - continue; - /* Find start of next word. */ - tmp_ptr = find_word_start(tmp_ptr); - } - /* Find end of this word. */ - tmp_ptr = find_word_end(tmp_ptr); - len = (int)(tmp_ptr - ptr); - - if ((compl_cont_status & CONT_ADDING) - && len == compl_length) - { - if (pos->lnum < ins_buf->b_ml.ml_line_count) - { - /* Try next line, if any. the new word will be - * "join" as if the normal command "J" was used. - * IOSIZE is always greater than - * compl_length, so the next STRNCPY always - * works -- Acevedo */ - STRNCPY(IObuff, ptr, len); - ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE); - tmp_ptr = ptr = skipwhite(ptr); - /* Find start of next word. */ - tmp_ptr = find_word_start(tmp_ptr); - /* Find end of next word. */ - tmp_ptr = find_word_end(tmp_ptr); - if (tmp_ptr > ptr) - { - if (*ptr != ')' && IObuff[len - 1] != TAB) - { - if (IObuff[len - 1] != ' ') - IObuff[len++] = ' '; - /* IObuf =~ "\k.* ", thus len >= 2 */ - if (p_js - && (IObuff[len - 2] == '.' - || (vim_strchr(p_cpo, CPO_JOINSP) - == NULL - && (IObuff[len - 2] == '?' - || IObuff[len - 2] == '!')))) - IObuff[len++] = ' '; - } - /* copy as much as possible of the new word */ - if (tmp_ptr - ptr >= IOSIZE - len) - tmp_ptr = ptr + IOSIZE - len - 1; - STRNCPY(IObuff + len, ptr, tmp_ptr - ptr); - len += (int)(tmp_ptr - ptr); - flags |= CONT_S_IPOS; - } - IObuff[len] = NUL; - ptr = IObuff; - } - if (len == compl_length) - continue; - } - } - if (ins_compl_add_infercase(ptr, len, p_ic, - ins_buf == curbuf ? NULL : ins_buf->b_sfname, - 0, flags) != NOTDONE) - { - found_new_match = OK; - break; - } - } - p_scs = save_p_scs; - p_ws = save_p_ws; - } - - /* check if compl_curr_match has changed, (e.g. other type of - * expansion added something) */ - if (type != 0 && compl_curr_match != compl_old_match) - found_new_match = OK; - - /* break the loop for specialized modes (use 'complete' just for the - * generic ctrl_x_mode == CTRL_X_NORMAL) or when we've found a new - * match */ - if ((ctrl_x_mode != CTRL_X_NORMAL - && !CTRL_X_MODE_LINE_OR_EVAL(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 ((ctrl_x_mode != CTRL_X_NORMAL - && !CTRL_X_MODE_LINE_OR_EVAL(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) - ins_buf->b_scanned = TRUE; - - compl_started = FALSE; - } - } - compl_started = TRUE; - - if ((ctrl_x_mode == CTRL_X_NORMAL || CTRL_X_MODE_LINE_OR_EVAL(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 || (ctrl_x_mode != CTRL_X_NORMAL - && !CTRL_X_MODE_LINE_OR_EVAL(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; - } - 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: is this sufficient for redrawing? Redrawing everything causes - * flicker, thus we can't do that. */ - changed_cline_bef_curs(); - /* clear v:completed_item */ - set_vim_var_dict(VV_COMPLETED_ITEM, dict_alloc_lock(VAR_FIXED)); -} - -/* - * Insert the new text being completed. - * "in_compl_func" is TRUE when called from complete_check(). - */ - static void -ins_compl_insert(int in_compl_func) -{ - dict_T *dict; - - ins_bytes(compl_shown_match->cp_str + ins_compl_len()); - if (compl_shown_match->cp_flags & ORIGINAL_TEXT) - compl_used_match = FALSE; - else - compl_used_match = TRUE; - - /* Set completed item. */ - /* { word, abbr, menu, kind, info } */ - dict = dict_alloc_lock(VAR_FIXED); - if (dict != NULL) - { - dict_add_string(dict, "word", compl_shown_match->cp_str); - dict_add_string(dict, "abbr", compl_shown_match->cp_text[CPT_ABBR]); - dict_add_string(dict, "menu", compl_shown_match->cp_text[CPT_MENU]); - dict_add_string(dict, "kind", compl_shown_match->cp_text[CPT_KIND]); - dict_add_string(dict, "info", compl_shown_match->cp_text[CPT_INFO]); - dict_add_string(dict, "user_data", - compl_shown_match->cp_text[CPT_USER_DATA]); - } - set_vim_var_dict(VV_COMPLETED_ITEM, dict); - if (!in_compl_func) - compl_curr_match = compl_shown_match; -} - -/* - * Fill in the next completion in the current direction. - * If "allow_get_expansion" is TRUE, then we may call ins_compl_get_exp() to - * get more completions. If it is FALSE, then we just do nothing when there - * are no more completions in a given direction. The latter case is used when - * we are still in the middle of finding completions, to allow browsing - * through the ones found so far. - * Return the total number of matches, or -1 if still unknown -- webb. - * - * compl_curr_match is currently being used by ins_compl_get_exp(), so we use - * compl_shown_match here. - * - * Note that this function may be called recursively once only. First with - * "allow_get_expansion" TRUE, which calls ins_compl_get_exp(), which in turn - * calls this function with "allow_get_expansion" FALSE. - */ - static int -ins_compl_next( - int allow_get_expansion, - int count, /* repeat completion this many times; should - be at least 1 */ - int insert_match, /* Insert the newly selected match */ - int in_compl_func) /* called from complete_check() */ -{ - int num_matches = -1; - int todo = count; - compl_T *found_compl = NULL; - int found_end = FALSE; - int advance; - int started = compl_started; - - /* When user complete function return -1 for findstart which is next - * time of 'always', compl_shown_match become NULL. */ - if (compl_shown_match == NULL) - return -1; - - if (compl_leader != NULL - && (compl_shown_match->cp_flags & ORIGINAL_TEXT) == 0) - { - /* Set "compl_shown_match" to the actually shown match, it may differ - * when "compl_leader" is used to omit some of the matches. */ - while (!ins_compl_equal(compl_shown_match, - compl_leader, (int)STRLEN(compl_leader)) - && compl_shown_match->cp_next != NULL - && compl_shown_match->cp_next != compl_first_match) - compl_shown_match = compl_shown_match->cp_next; - - /* If we didn't find it searching forward, and compl_shows_dir is - * backward, find the last match. */ - if (compl_shows_dir == BACKWARD - && !ins_compl_equal(compl_shown_match, - compl_leader, (int)STRLEN(compl_leader)) - && (compl_shown_match->cp_next == NULL - || compl_shown_match->cp_next == compl_first_match)) - { - while (!ins_compl_equal(compl_shown_match, - compl_leader, (int)STRLEN(compl_leader)) - && compl_shown_match->cp_prev != NULL - && compl_shown_match->cp_prev != compl_first_match) - compl_shown_match = compl_shown_match->cp_prev; - } - } - - if (allow_get_expansion && insert_match - && (!(compl_get_longest || compl_restarting) || compl_used_match)) - /* Delete old text to be replaced */ - ins_compl_delete(); - - /* When finding the longest common text we stick at the original text, - * don't let CTRL-N or CTRL-P move to the first match. */ - advance = count != 1 || !allow_get_expansion || !compl_get_longest; - - /* When restarting the search don't insert the first match either. */ - if (compl_restarting) - { - advance = FALSE; - compl_restarting = FALSE; - } - - /* Repeat this for when <PageUp> or <PageDown> is typed. But don't wrap - * around. */ - while (--todo >= 0) - { - if (compl_shows_dir == FORWARD && compl_shown_match->cp_next != NULL) - { - compl_shown_match = compl_shown_match->cp_next; - found_end = (compl_first_match != NULL - && (compl_shown_match->cp_next == compl_first_match - || compl_shown_match == compl_first_match)); - } - else if (compl_shows_dir == BACKWARD - && compl_shown_match->cp_prev != NULL) - { - found_end = (compl_shown_match == compl_first_match); - compl_shown_match = compl_shown_match->cp_prev; - found_end |= (compl_shown_match == compl_first_match); - } - else - { - if (!allow_get_expansion) - { - if (advance) - { - if (compl_shows_dir == BACKWARD) - compl_pending -= todo + 1; - else - compl_pending += todo + 1; - } - return -1; - } - - if (!compl_no_select && advance) - { - if (compl_shows_dir == BACKWARD) - --compl_pending; - else - ++compl_pending; - } - - /* Find matches. */ - num_matches = ins_compl_get_exp(&compl_startpos); - - /* handle any pending completions */ - while (compl_pending != 0 && compl_direction == compl_shows_dir - && advance) - { - if (compl_pending > 0 && compl_shown_match->cp_next != NULL) - { - compl_shown_match = compl_shown_match->cp_next; - --compl_pending; - } - if (compl_pending < 0 && compl_shown_match->cp_prev != NULL) - { - compl_shown_match = compl_shown_match->cp_prev; - ++compl_pending; - } - else - break; - } - found_end = FALSE; - } - if ((compl_shown_match->cp_flags & ORIGINAL_TEXT) == 0 - && compl_leader != NULL - && !ins_compl_equal(compl_shown_match, - compl_leader, (int)STRLEN(compl_leader))) - ++todo; - else - /* Remember a matching item. */ - found_compl = compl_shown_match; - - /* Stop at the end of the list when we found a usable match. */ - if (found_end) - { - if (found_compl != NULL) - { - compl_shown_match = found_compl; - break; - } - todo = 1; /* use first usable match after wrapping around */ - } - } - - /* Insert the text of the new completion, or the compl_leader. */ - if (compl_no_insert && !started) - { - ins_bytes(compl_orig_text + ins_compl_len()); - compl_used_match = FALSE; - } - else if (insert_match) - { - if (!compl_get_longest || compl_used_match) - ins_compl_insert(in_compl_func); - else - ins_bytes(compl_leader + ins_compl_len()); - } - else - compl_used_match = FALSE; - - if (!allow_get_expansion) - { - /* may undisplay the popup menu first */ - ins_compl_upd_pum(); - - if (pum_enough_matches()) - // Will display the popup menu, don't redraw yet to avoid flicker. - pum_call_update_screen(); - else - // Not showing the popup menu yet, redraw to show the user what was - // inserted. - update_screen(0); - - /* display the updated popup menu */ - ins_compl_show_pum(); -#ifdef FEAT_GUI - if (gui.in_use) - { - /* Show the cursor after the match, not after the redrawn text. */ - setcursor(); - out_flush_cursor(FALSE, FALSE); - } -#endif - - /* Delete old text to be replaced, since we're still searching and - * don't want to match ourselves! */ - ins_compl_delete(); - } - - /* Enter will select a match when the match wasn't inserted and the popup - * menu is visible. */ - if (compl_no_insert && !started) - compl_enter_selects = TRUE; - else - compl_enter_selects = !insert_match && compl_match_array != NULL; - - /* - * Show the file name for the match (if any) - * Truncate the file name to avoid a wait for return. - */ - if (compl_shown_match->cp_fname != NULL) - { - char *lead = _("match in file"); - int space = sc_col - vim_strsize((char_u *)lead) - 2; - char_u *s; - char_u *e; - - if (space > 0) - { - /* We need the tail that fits. With double-byte encoding going - * back from the end is very slow, thus go from the start and keep - * the text that fits in "space" between "s" and "e". */ - for (s = e = compl_shown_match->cp_fname; *e != NUL; MB_PTR_ADV(e)) - { - space -= ptr2cells(e); - while (space < 0) - { - space += ptr2cells(s); - MB_PTR_ADV(s); - } - } - vim_snprintf((char *)IObuff, IOSIZE, "%s %s%s", lead, - s > compl_shown_match->cp_fname ? "<" : "", s); - msg((char *)IObuff); - redraw_cmdline = FALSE; /* don't overwrite! */ - } - } - - return num_matches; -} - -/* - * Call this while finding completions, to check whether the user has hit a key - * that should change the currently displayed completion, or exit completion - * mode. Also, when compl_pending is not zero, show a completion as soon as - * possible. -- webb - * "frequency" specifies out of how many calls we actually check. - * "in_compl_func" is TRUE when called from complete_check(), don't set - * compl_curr_match. - */ - void -ins_compl_check_keys(int frequency, int in_compl_func) -{ - static int count = 0; - int c; - - /* Don't check when reading keys from a script, :normal or feedkeys(). - * That would break the test scripts. But do check for keys when called - * from complete_check(). */ - if (!in_compl_func && (using_script() || ex_normal_busy)) - return; - - /* Only do this at regular intervals */ - if (++count < frequency) - return; - count = 0; - - /* Check for a typed key. Do use mappings, otherwise vim_is_ctrl_x_key() - * can't do its work correctly. */ - c = vpeekc_any(); - if (c != NUL) - { - if (vim_is_ctrl_x_key(c) && c != Ctrl_X && c != Ctrl_R) - { - c = safe_vgetc(); /* Eat the character */ - compl_shows_dir = ins_compl_key2dir(c); - (void)ins_compl_next(FALSE, ins_compl_key2count(c), - c != K_UP && c != K_DOWN, in_compl_func); - } - else - { - /* Need to get the character to have KeyTyped set. We'll put it - * back with vungetc() below. But skip K_IGNORE. */ - c = safe_vgetc(); - if (c != K_IGNORE) - { - /* Don't interrupt completion when the character wasn't typed, - * e.g., when doing @q to replay keys. */ - if (c != Ctrl_R && KeyTyped) - compl_interrupted = TRUE; - - vungetc(c); - } - } - } - if (compl_pending != 0 && !got_int && !compl_no_insert) - { - int todo = compl_pending > 0 ? compl_pending : -compl_pending; - - compl_pending = 0; - (void)ins_compl_next(FALSE, todo, TRUE, in_compl_func); - } -} - -/* - * Decide the direction of Insert mode complete from the key typed. - * Returns BACKWARD or FORWARD. - */ - static int -ins_compl_key2dir(int c) -{ - if (c == Ctrl_P || c == Ctrl_L - || c == K_PAGEUP || c == K_KPAGEUP || c == K_S_UP || c == K_UP) - return BACKWARD; - return FORWARD; -} - -/* - * Return TRUE for keys that are used for completion only when the popup menu - * is visible. - */ - static int -ins_compl_pum_key(int c) -{ - return pum_visible() && (c == K_PAGEUP || c == K_KPAGEUP || c == K_S_UP - || c == K_PAGEDOWN || c == K_KPAGEDOWN || c == K_S_DOWN - || c == K_UP || c == K_DOWN); -} - -/* - * Decide the number of completions to move forward. - * Returns 1 for most keys, height of the popup menu for page-up/down keys. - */ - static int -ins_compl_key2count(int c) -{ - int h; - - if (ins_compl_pum_key(c) && c != K_UP && c != K_DOWN) - { - h = pum_get_height(); - if (h > 3) - h -= 2; /* keep some context */ - return h; - } - return 1; -} - -/* - * Return TRUE if completion with "c" should insert the match, FALSE if only - * to change the currently selected completion. - */ - static int -ins_compl_use_match(int c) -{ - switch (c) - { - case K_UP: - case K_DOWN: - case K_PAGEDOWN: - case K_KPAGEDOWN: - case K_S_DOWN: - case K_PAGEUP: - case K_KPAGEUP: - case K_S_UP: - return FALSE; - } - return TRUE; -} - -/* - * Do Insert mode completion. - * Called when character "c" was typed, which has a meaning for completion. - * Returns OK if completion was done, FAIL if something failed (out of mem). - */ - static int -ins_complete(int c, int enable_pum) -{ - char_u *line; - int startcol = 0; /* column where searched text starts */ - colnr_T curs_col; /* cursor column */ - int n; - int save_w_wrow; - int save_w_leftcol; - int insert_match; - int save_did_ai = did_ai; - - compl_direction = ins_compl_key2dir(c); - insert_match = ins_compl_use_match(c); - - if (!compl_started) - { - /* First time we hit ^N or ^P (in a row, I mean) */ - - did_ai = FALSE; -#ifdef FEAT_SMARTINDENT - did_si = FALSE; - can_si = FALSE; - can_si_back = FALSE; -#endif - if (stop_arrow() == FAIL) - return FAIL; - - line = ml_get(curwin->w_cursor.lnum); - curs_col = curwin->w_cursor.col; - compl_pending = 0; - - /* If this same ctrl_x_mode has been interrupted use the text from - * "compl_startpos" to the cursor as a pattern to add a new word - * instead of expand the one before the cursor, in word-wise if - * "compl_startpos" is not in the same line as the cursor then fix it - * (the line has been split because it was longer than 'tw'). if SOL - * is set then skip the previous pattern, a word at the beginning of - * the line has been inserted, we'll look for that -- Acevedo. */ - if ((compl_cont_status & CONT_INTRPT) == CONT_INTRPT - && compl_cont_mode == ctrl_x_mode) - { - /* - * it is a continued search - */ - compl_cont_status &= ~CONT_INTRPT; /* remove INTRPT */ - if (ctrl_x_mode == CTRL_X_NORMAL - || ctrl_x_mode == CTRL_X_PATH_PATTERNS - || ctrl_x_mode == CTRL_X_PATH_DEFINES) - { - if (compl_startpos.lnum != curwin->w_cursor.lnum) - { - /* line (probably) wrapped, set compl_startpos to the - * first non_blank in the line, if it is not a wordchar - * include it to get a better pattern, but then we don't - * want the "\\<" prefix, check it bellow */ - compl_col = (colnr_T)getwhitecols(line); - compl_startpos.col = compl_col; - compl_startpos.lnum = curwin->w_cursor.lnum; - compl_cont_status &= ~CONT_SOL; /* clear SOL if present */ - } - else - { - /* S_IPOS was set when we inserted a word that was at the - * beginning of the line, which means that we'll go to SOL - * mode but first we need to redefine compl_startpos */ - if (compl_cont_status & CONT_S_IPOS) - { - compl_cont_status |= CONT_SOL; - compl_startpos.col = (colnr_T)(skipwhite( - line + compl_length - + compl_startpos.col) - line); - } - compl_col = compl_startpos.col; - } - compl_length = curwin->w_cursor.col - (int)compl_col; - /* IObuff is used to add a "word from the next line" would we - * have enough space? just being paranoid */ -#define MIN_SPACE 75 - if (compl_length > (IOSIZE - MIN_SPACE)) - { - compl_cont_status &= ~CONT_SOL; - compl_length = (IOSIZE - MIN_SPACE); - compl_col = curwin->w_cursor.col - compl_length; - } - compl_cont_status |= CONT_ADDING | CONT_N_ADDS; - if (compl_length < 1) - compl_cont_status &= CONT_LOCAL; - } - else if (CTRL_X_MODE_LINE_OR_EVAL(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)) - { - if ((compl_cont_status & CONT_SOL) - || ctrl_x_mode == CTRL_X_PATH_DEFINES) - { - if (!(compl_cont_status & CONT_ADDING)) - { - while (--startcol >= 0 && vim_isIDc(line[startcol])) - ; - compl_col += ++startcol; - compl_length = curs_col - startcol; - } - if (p_ic) - compl_pattern = str_foldcase(line + compl_col, - compl_length, NULL, 0); - else - compl_pattern = vim_strnsave(line + compl_col, - compl_length); - if (compl_pattern == NULL) - return FAIL; - } - else if (compl_cont_status & CONT_ADDING) - { - char_u *prefix = (char_u *)"\\<"; - - /* we need up to 2 extra chars for the prefix */ - compl_pattern = alloc(quote_meta(NULL, line + compl_col, - compl_length) + 2); - if (compl_pattern == NULL) - return FAIL; - if (!vim_iswordp(line + compl_col) - || (compl_col > 0 - && (vim_iswordp(mb_prevptr(line, line + compl_col))))) - prefix = (char_u *)""; - STRCPY((char *)compl_pattern, prefix); - (void)quote_meta(compl_pattern + STRLEN(prefix), - line + compl_col, compl_length); - } - else if (--startcol < 0 - || !vim_iswordp(mb_prevptr(line, line + startcol + 1))) - { - /* Match any word of at least two chars */ - compl_pattern = vim_strsave((char_u *)"\\<\\k\\k"); - if (compl_pattern == NULL) - return FAIL; - compl_col += curs_col; - compl_length = 0; - } - else - { - /* Search the point of change class of multibyte character - * or not a word single byte character backward. */ - if (has_mbyte) - { - int base_class; - int head_off; - - startcol -= (*mb_head_off)(line, line + startcol); - base_class = mb_get_class(line + startcol); - while (--startcol >= 0) - { - head_off = (*mb_head_off)(line, line + startcol); - if (base_class != mb_get_class(line + startcol - - head_off)) - break; - startcol -= head_off; - } - } - else - while (--startcol >= 0 && vim_iswordc(line[startcol])) - ; - compl_col += ++startcol; - compl_length = (int)curs_col - startcol; - if (compl_length == 1) - { - /* Only match word with at least two chars -- webb - * there's no need to call quote_meta, - * alloc(7) is enough -- Acevedo - */ - compl_pattern = alloc(7); - if (compl_pattern == NULL) - return FAIL; - STRCPY((char *)compl_pattern, "\\<"); - (void)quote_meta(compl_pattern + 2, line + compl_col, 1); - STRCAT((char *)compl_pattern, "\\k"); - } - else - { - compl_pattern = alloc(quote_meta(NULL, line + compl_col, - compl_length) + 2); - if (compl_pattern == NULL) - return FAIL; - STRCPY((char *)compl_pattern, "\\<"); - (void)quote_meta(compl_pattern + 2, line + compl_col, - compl_length); - } - } - } - else if (CTRL_X_MODE_LINE_OR_EVAL(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, compl_length); - if (compl_pattern == NULL) - return FAIL; - } - else if (ctrl_x_mode == CTRL_X_FILES) - { - /* Go back to just before the first filename character. */ - if (startcol > 0) - { - char_u *p = line + startcol; - - MB_PTR_BACK(line, p); - while (p > line && vim_isfilec(PTR2CHAR(p))) - MB_PTR_BACK(line, p); - if (p == line && vim_isfilec(PTR2CHAR(p))) - startcol = 0; - else - startcol = (int)(p - line) + 1; - } - - compl_col += startcol; - compl_length = (int)curs_col - startcol; - compl_pattern = addstar(line + compl_col, compl_length, - EXPAND_FILES); - if (compl_pattern == NULL) - return FAIL; - } - else if (ctrl_x_mode == CTRL_X_CMDLINE) - { - compl_pattern = vim_strnsave(line, curs_col); - if (compl_pattern == NULL) - return FAIL; - set_cmd_context(&compl_xp, compl_pattern, - (int)STRLEN(compl_pattern), curs_col, FALSE); - if (compl_xp.xp_context == EXPAND_UNSUCCESSFUL - || compl_xp.xp_context == EXPAND_NOTHING) - /* No completion possible, use an empty pattern to get a - * "pattern not found" message. */ - compl_col = curs_col; - else - compl_col = (int)(compl_xp.xp_pattern - compl_pattern); - compl_length = curs_col - compl_col; - } - else if (ctrl_x_mode == CTRL_X_FUNCTION || ctrl_x_mode == CTRL_X_OMNI) - { -#ifdef FEAT_COMPL_FUNC - /* - * Call user defined function 'completefunc' with "a:findstart" - * set to 1 to obtain the length of text to use for completion. - */ - typval_T args[3]; - int col; - char_u *funcname; - pos_T pos; - win_T *curwin_save; - buf_T *curbuf_save; - int save_State = State; - - /* Call 'completefunc' or 'omnifunc' and get pattern length as a - * string */ - funcname = ctrl_x_mode == CTRL_X_FUNCTION - ? curbuf->b_p_cfu : curbuf->b_p_ofu; - if (*funcname == NUL) - { - semsg(_(e_notset), ctrl_x_mode == CTRL_X_FUNCTION - ? "completefunc" : "omnifunc"); - /* restore did_ai, so that adding comment leader works */ - did_ai = save_did_ai; - return FAIL; - } - - args[0].v_type = VAR_NUMBER; - args[0].vval.v_number = 1; - args[1].v_type = VAR_STRING; - args[1].vval.v_string = (char_u *)""; - args[2].v_type = VAR_UNKNOWN; - pos = curwin->w_cursor; - curwin_save = curwin; - curbuf_save = curbuf; - col = call_func_retnr(funcname, 2, args); - - State = save_State; - if (curwin_save != curwin || curbuf_save != curbuf) - { - emsg(_(e_complwin)); - return FAIL; - } - curwin->w_cursor = pos; /* restore the cursor position */ - validate_cursor(); - if (!EQUAL_POS(curwin->w_cursor, pos)) - { - emsg(_(e_compldel)); - return FAIL; - } - - /* Return value -2 means the user complete function wants to - * cancel the complete without an error. - * Return value -3 does the same as -2 and leaves CTRL-X mode.*/ - if (col == -2) - return FAIL; - if (col == -3) - { - ctrl_x_mode = CTRL_X_NORMAL; - edit_submode = NULL; - if (!shortmess(SHM_COMPLETIONMENU)) - msg_clr_cmdline(); - return FAIL; - } - - /* - * Reset extended parameters of completion, when start new - * completion. - */ - compl_opt_refresh_always = FALSE; - compl_opt_suppress_empty = FALSE; - - if (col < 0) - col = curs_col; - compl_col = col; - if (compl_col > curs_col) - compl_col = curs_col; - - /* Setup variables for completion. Need to obtain "line" again, - * it may have become invalid. */ - line = ml_get(curwin->w_cursor.lnum); - compl_length = curs_col - compl_col; - compl_pattern = vim_strnsave(line + compl_col, compl_length); - if (compl_pattern == NULL) -#endif - return FAIL; - } - else if (ctrl_x_mode == CTRL_X_SPELL) - { -#ifdef FEAT_SPELL - if (spell_bad_len > 0) - compl_col = curs_col - spell_bad_len; - else - compl_col = spell_word_start(startcol); - if (compl_col >= (colnr_T)startcol) - { - compl_length = 0; - compl_col = curs_col; - } - else - { - spell_expand_check_cap(compl_col); - compl_length = (int)curs_col - compl_col; - } - /* Need to obtain "line" again, it may have become invalid. */ - line = ml_get(curwin->w_cursor.lnum); - compl_pattern = vim_strnsave(line + compl_col, compl_length); - if (compl_pattern == NULL) -#endif - return FAIL; - } - else - { - internal_error("ins_complete()"); - return FAIL; - } - - if (compl_cont_status & CONT_ADDING) - { - edit_submode_pre = (char_u *)_(" Adding"); - if (CTRL_X_MODE_LINE_OR_EVAL(ctrl_x_mode)) - { - /* Insert a new line, keep indentation but ignore 'comments' */ -#ifdef FEAT_COMMENTS - char_u *old = curbuf->b_p_com; - - curbuf->b_p_com = (char_u *)""; -#endif - compl_startpos.lnum = curwin->w_cursor.lnum; - compl_startpos.col = compl_col; - ins_eol('\r'); -#ifdef FEAT_COMMENTS - curbuf->b_p_com = old; -#endif - compl_length = 0; - compl_col = curwin->w_cursor.col; - } - } - else - { - edit_submode_pre = NULL; - compl_startpos.col = compl_col; - } - - if (compl_cont_status & CONT_LOCAL) - edit_submode = (char_u *)_(ctrl_x_msgs[CTRL_X_LOCAL_MSG]); - else - edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode)); - - /* If any of the original typed text has been changed we need to fix - * the redo buffer. */ - ins_compl_fixRedoBufForLeader(NULL); - - /* Always add completion for the original text. */ - vim_free(compl_orig_text); - compl_orig_text = vim_strnsave(line + compl_col, compl_length); - if (compl_orig_text == NULL || ins_compl_add(compl_orig_text, - -1, p_ic, NULL, NULL, 0, ORIGINAL_TEXT, FALSE) != OK) - { - VIM_CLEAR(compl_pattern); - VIM_CLEAR(compl_orig_text); - return FAIL; - } - - /* showmode might reset the internal line pointers, so it must - * be called before line = ml_get(), or when this address is no - * longer needed. -- Acevedo. - */ - edit_submode_extra = (char_u *)_("-- Searching..."); - edit_submode_highl = HLF_COUNT; - showmode(); - edit_submode_extra = NULL; - out_flush(); - } - else if (insert_match && stop_arrow() == FAIL) - return FAIL; - - compl_shown_match = compl_curr_match; - compl_shows_dir = compl_direction; - - /* - * Find next match (and following matches). - */ - save_w_wrow = curwin->w_wrow; - save_w_leftcol = curwin->w_leftcol; - n = ins_compl_next(TRUE, ins_compl_key2count(c), insert_match, FALSE); - - /* may undisplay the popup menu */ - ins_compl_upd_pum(); - - if (n > 1) /* all matches have been found */ - compl_matches = n; - compl_curr_match = compl_shown_match; - compl_direction = compl_shows_dir; - - /* Eat the ESC that vgetc() returns after a CTRL-C to avoid leaving Insert - * mode. */ - if (got_int && !global_busy) - { - (void)vgetc(); - got_int = FALSE; - } - - /* we found no match if the list has only the "compl_orig_text"-entry */ - if (compl_first_match == compl_first_match->cp_next) - { - edit_submode_extra = (compl_cont_status & CONT_ADDING) - && compl_length > 1 - ? (char_u *)_(e_hitend) : (char_u *)_(e_patnotf); - edit_submode_highl = HLF_E; - /* remove N_ADDS flag, so next ^X<> won't try to go to ADDING mode, - * because we couldn't expand anything at first place, but if we used - * ^P, ^N, ^X^I or ^X^D we might want to add-expand a single-char-word - * (such as M in M'exico) if not tried already. -- Acevedo */ - if ( compl_length > 1 - || (compl_cont_status & CONT_ADDING) - || (ctrl_x_mode != CTRL_X_NORMAL - && ctrl_x_mode != CTRL_X_PATH_PATTERNS - && ctrl_x_mode != CTRL_X_PATH_DEFINES)) - compl_cont_status &= ~CONT_N_ADDS; - } - - if (compl_curr_match->cp_flags & 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 & ORIGINAL_TEXT) - { - edit_submode_extra = (char_u *)_("Back at original"); - edit_submode_highl = HLF_W; - } - else if (compl_cont_status & CONT_S_IPOS) - { - edit_submode_extra = (char_u *)_("Word from other line"); - edit_submode_highl = HLF_COUNT; - } - else if (compl_curr_match->cp_next == compl_curr_match->cp_prev) - { - edit_submode_extra = (char_u *)_("The only match"); - edit_submode_highl = HLF_COUNT; - } - else - { - /* Update completion sequence number when needed. */ - if (compl_curr_match->cp_number == -1) - { - int number = 0; - compl_T *match; - - if (compl_direction == FORWARD) - { - /* search backwards for the first valid (!= -1) number. - * This should normally succeed already at the first loop - * cycle, so it's fast! */ - for (match = compl_curr_match->cp_prev; match != NULL - && match != compl_first_match; - match = match->cp_prev) - if (match->cp_number != -1) - { - number = match->cp_number; - break; - } - if (match != NULL) - /* go up and assign all numbers which are not assigned - * yet */ - for (match = match->cp_next; - match != NULL && match->cp_number == -1; - match = match->cp_next) - match->cp_number = ++number; - } - else /* BACKWARD */ - { - /* search forwards (upwards) for the first valid (!= -1) - * number. This should normally succeed already at the - * first loop cycle, so it's fast! */ - for (match = compl_curr_match->cp_next; match != NULL - && match != compl_first_match; - match = match->cp_next) - if (match->cp_number != -1) - { - number = match->cp_number; - break; - } - if (match != NULL) - /* go down and assign all numbers which are not - * assigned yet */ - for (match = match->cp_prev; match - && match->cp_number == -1; - match = match->cp_prev) - match->cp_number = ++number; - } - } - - /* The match should always have a sequence number now, this is - * just a safety check. */ - if (compl_curr_match->cp_number != -1) - { - /* Space for 10 text chars. + 2x10-digit no.s = 31. - * Translations may need more than twice that. */ - static char_u match_ref[81]; - - if (compl_matches > 0) - vim_snprintf((char *)match_ref, sizeof(match_ref), - _("match %d of %d"), - compl_curr_match->cp_number, compl_matches); - else - vim_snprintf((char *)match_ref, sizeof(match_ref), - _("match %d"), - compl_curr_match->cp_number); - edit_submode_extra = match_ref; - edit_submode_highl = HLF_R; - if (dollar_vcol >= 0) - curs_columns(FALSE); - } - } - } - - // Show a message about what (completion) mode we're in. - if (!compl_opt_suppress_empty) - { - showmode(); - if (!shortmess(SHM_COMPLETIONMENU)) - { - if (edit_submode_extra != NULL) - { - if (!p_smd) - msg_attr((char *)edit_submode_extra, - edit_submode_highl < HLF_COUNT - ? HL_ATTR(edit_submode_highl) : 0); - } - else - msg_clr_cmdline(); // necessary for "noshowmode" - } - } - - /* Show the popup menu, unless we got interrupted. */ - if (enable_pum && !compl_interrupted) - show_pum(save_w_wrow, save_w_leftcol); - - compl_was_interrupted = compl_interrupted; - compl_interrupted = FALSE; - - return OK; -} - - static void -show_pum(int prev_w_wrow, int prev_w_leftcol) -{ - /* RedrawingDisabled may be set when invoked through complete(). */ - int n = RedrawingDisabled; - - RedrawingDisabled = 0; - - /* If the cursor moved or the display scrolled we need to remove the pum - * first. */ - setcursor(); - if (prev_w_wrow != curwin->w_wrow || prev_w_leftcol != curwin->w_leftcol) - ins_compl_del_pum(); - - ins_compl_show_pum(); - setcursor(); - RedrawingDisabled = n; -} - -/* - * Looks in the first "len" chars. of "src" for search-metachars. - * If dest is not NULL the chars. are copied there quoting (with - * a backslash) the metachars, and dest would be NUL terminated. - * Returns the length (needed) of dest - */ - static unsigned -quote_meta(char_u *dest, char_u *src, int len) -{ - unsigned m = (unsigned)len + 1; /* one extra for the NUL */ - - for ( ; --len >= 0; src++) - { - switch (*src) - { - case '.': - case '*': - case '[': - if (ctrl_x_mode == CTRL_X_DICTIONARY - || ctrl_x_mode == CTRL_X_THESAURUS) - break; - /* FALLTHROUGH */ - case '~': - if (!p_magic) /* quote these only if magic is set */ - break; - /* FALLTHROUGH */ - case '\\': - if (ctrl_x_mode == CTRL_X_DICTIONARY - || ctrl_x_mode == CTRL_X_THESAURUS) - break; - /* FALLTHROUGH */ - case '^': /* currently it's not needed. */ - case '$': - m++; - if (dest != NULL) - *dest++ = '\\'; - break; - } - if (dest != NULL) - *dest++ = *src; - /* Copy remaining bytes of a multibyte character. */ - if (has_mbyte) - { - int i, mb_len; - - mb_len = (*mb_ptr2len)(src) - 1; - if (mb_len > 0 && len >= mb_len) - for (i = 0; i < mb_len; ++i) - { - --len; - ++src; - if (dest != NULL) - *dest++ = *src; - } - } - } - if (dest != NULL) - *dest = NUL; - - return m; -} -#endif /* FEAT_INS_EXPAND */ - /* * Next character is interpreted literally. * A one, two or three digit decimal number is interpreted as its byte value. @@ -7054,7 +3148,7 @@ redo_literal(int c) * start_arrow() is called when an arrow key is used in insert mode. * For undo/redo it resembles hitting the <ESC> key. */ - static void + void start_arrow( pos_T *end_insert_pos) /* can be NULL */ { @@ -7111,19 +3205,6 @@ 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); -} #endif /* @@ -7340,9 +3421,6 @@ set_last_insert(int c) free_last_insert(void) { VIM_CLEAR(last_insert); -# ifdef FEAT_INS_EXPAND - VIM_CLEAR(compl_orig_text); -# endif } #endif @@ -9978,7 +6056,7 @@ ins_tab(void) * Handle CR or NL in insert mode. * Return FAIL when out of memory or can't undo. */ - static int + int ins_eol(int c) { int i; @@ -10174,7 +6252,7 @@ ins_ctrl_ey(int tc) int c = tc; #ifdef FEAT_INS_EXPAND - if (ctrl_x_mode == CTRL_X_SCROLL) + if (ctrl_x_mode_scroll()) { if (c == Ctrl_Y) scrolldown_clamp(); @@ -10370,10 +6448,18 @@ do_insert_char_pre(int c) } #endif +#if defined(FEAT_CINDENT) || defined(PROTO) + int +can_cindent_get(void) +{ + return can_cindent; +} +#endif + /* * Trigger "event" and take care of fixing undo. */ - static int + int ins_apply_autocmds(event_T event) { varnumber_T tick = CHANGEDTICK(curbuf);
--- a/src/evalfunc.c +++ b/src/evalfunc.c @@ -2603,7 +2603,7 @@ f_complete_check(typval_T *argvars UNUSE RedrawingDisabled = 0; ins_compl_check_keys(0, TRUE); - rettv->vval.v_number = compl_interrupted; + rettv->vval.v_number = ins_compl_interrupted(); RedrawingDisabled = saved; }
--- a/src/globals.h +++ b/src/globals.h @@ -119,10 +119,6 @@ EXTERN colnr_T dollar_vcol INIT(= -1); * by the match.) */ EXTERN int compl_length INIT(= 0); -/* Set when character typed while looking for matches and it means we should - * stop looking for matches. */ -EXTERN int compl_interrupted INIT(= FALSE); - /* List of flags for method of completion. */ EXTERN int compl_cont_status INIT(= 0); # define CONT_ADDING 1 /* "normal" or "adding" expansion */
new file mode 100644 --- /dev/null +++ b/src/insexpand.c @@ -0,0 +1,3992 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * insexpand.c: functions for Insert mode completion + */ + +#include "vim.h" + +#ifdef FEAT_INS_EXPAND +/* + * Definitions used for CTRL-X submode. + * Note: If you change CTRL-X submode, you must also maintain ctrl_x_msgs[] and + * ctrl_x_mode_names[] below. + */ +# define CTRL_X_WANT_IDENT 0x100 + +# define CTRL_X_NORMAL 0 /* CTRL-N CTRL-P completion, default */ +# define CTRL_X_NOT_DEFINED_YET 1 +# define CTRL_X_SCROLL 2 +# define CTRL_X_WHOLE_LINE 3 +# define CTRL_X_FILES 4 +# define CTRL_X_TAGS (5 + CTRL_X_WANT_IDENT) +# define CTRL_X_PATH_PATTERNS (6 + CTRL_X_WANT_IDENT) +# define CTRL_X_PATH_DEFINES (7 + CTRL_X_WANT_IDENT) +# define CTRL_X_FINISHED 8 +# define CTRL_X_DICTIONARY (9 + CTRL_X_WANT_IDENT) +# define CTRL_X_THESAURUS (10 + CTRL_X_WANT_IDENT) +# define CTRL_X_CMDLINE 11 +# define CTRL_X_FUNCTION 12 +# define CTRL_X_OMNI 13 +# define CTRL_X_SPELL 14 +# define CTRL_X_LOCAL_MSG 15 /* only used in "ctrl_x_msgs" */ +# define CTRL_X_EVAL 16 /* for builtin function complete() */ + +# define CTRL_X_MSG(i) ctrl_x_msgs[(i) & ~CTRL_X_WANT_IDENT] + +// Message for CTRL-X mode, index is ctrl_x_mode. +static char *ctrl_x_msgs[] = +{ + N_(" Keyword completion (^N^P)"), // CTRL_X_NORMAL, ^P/^N compl. + N_(" ^X mode (^]^D^E^F^I^K^L^N^O^Ps^U^V^Y)"), + NULL, // CTRL_X_SCROLL: depends on state + N_(" Whole line completion (^L^N^P)"), + N_(" File name completion (^F^N^P)"), + N_(" Tag completion (^]^N^P)"), + N_(" Path pattern completion (^N^P)"), + N_(" Definition completion (^D^N^P)"), + NULL, // CTRL_X_FINISHED + N_(" Dictionary completion (^K^N^P)"), + N_(" Thesaurus completion (^T^N^P)"), + N_(" Command-line completion (^V^N^P)"), + N_(" User defined completion (^U^N^P)"), + N_(" Omni completion (^O^N^P)"), + N_(" Spelling suggestion (s^N^P)"), + N_(" Keyword Local completion (^N^P)"), + NULL, // CTRL_X_EVAL doesn't use msg. +}; + +static char *ctrl_x_mode_names[] = { + "keyword", + "ctrl_x", + "unknown", // CTRL_X_SCROLL + "whole_line", + "files", + "tags", + "path_patterns", + "path_defines", + "unknown", // CTRL_X_FINISHED + "dictionary", + "thesaurus", + "cmdline", + "function", + "omni", + "spell", + NULL, // CTRL_X_LOCAL_MSG only used in "ctrl_x_msgs" + "eval" +}; + +/* + * Array indexes used for cp_text[]. + */ +#define CPT_ABBR 0 // "abbr" +#define CPT_MENU 1 // "menu" +#define CPT_KIND 2 // "kind" +#define CPT_INFO 3 // "info" +#define CPT_USER_DATA 4 // "user data" +#define CPT_COUNT 5 // Number of entries + +/* + * Structure used to store one match for insert completion. + */ +typedef struct compl_S compl_T; +struct compl_S +{ + compl_T *cp_next; + compl_T *cp_prev; + char_u *cp_str; /* matched text */ + char cp_icase; /* TRUE or FALSE: ignore case */ + char_u *(cp_text[CPT_COUNT]); /* text for the menu */ + char_u *cp_fname; /* file containing the match, allocated when + * cp_flags has FREE_FNAME */ + int cp_flags; /* ORIGINAL_TEXT, CONT_S_IPOS or FREE_FNAME */ + int cp_number; /* sequence number */ +}; + +# define ORIGINAL_TEXT (1) /* the original text when the expansion begun */ +# define FREE_FNAME (2) + +static char e_hitend[] = N_("Hit end of paragraph"); +# ifdef FEAT_COMPL_FUNC +static char e_complwin[] = N_("E839: Completion function changed window"); +static char e_compldel[] = N_("E840: Completion function deleted text"); +# endif + +/* + * All the current matches are stored in a list. + * "compl_first_match" points to the start of the list. + * "compl_curr_match" points to the currently selected entry. + * "compl_shown_match" is different from compl_curr_match during + * ins_compl_get_exp(). + */ +static compl_T *compl_first_match = NULL; +static compl_T *compl_curr_match = NULL; +static compl_T *compl_shown_match = NULL; +static compl_T *compl_old_match = NULL; + +// After using a cursor key <Enter> selects a match in the popup menu, +// otherwise it inserts a line break. +static int compl_enter_selects = FALSE; + +// When "compl_leader" is not NULL only matches that start with this string +// are used. +static char_u *compl_leader = NULL; + +static int compl_get_longest = FALSE; // put longest common string + // in compl_leader + +static int compl_no_insert = FALSE; // FALSE: select & insert + // TRUE: noinsert +static int compl_no_select = FALSE; // FALSE: select & insert + // TRUE: noselect + +// Selected one of the matches. When FALSE the match was edited or using the +// longest common string. +static int compl_used_match; + +// didn't finish finding completions. +static int compl_was_interrupted = FALSE; + +// Set when character typed while looking for matches and it means we should +// stop looking for matches. +static int compl_interrupted = FALSE; + +static int compl_restarting = FALSE; // don't insert match + +// When the first completion is done "compl_started" is set. When it's +// FALSE the word to be completed must be located. +static int compl_started = FALSE; + +// Which Ctrl-X mode are we in? +static int ctrl_x_mode = CTRL_X_NORMAL; + +static int compl_matches = 0; +static char_u *compl_pattern = NULL; +static int compl_direction = FORWARD; +static int compl_shows_dir = FORWARD; +static int compl_pending = 0; // > 1 for postponed CTRL-N +static pos_T compl_startpos; +static colnr_T compl_col = 0; // column where the text starts + // that is being completed +static char_u *compl_orig_text = NULL; // text as it was before + // completion started +static int compl_cont_mode = 0; +static expand_T compl_xp; + +static int compl_opt_refresh_always = FALSE; +static int compl_opt_suppress_empty = FALSE; + +static int ins_compl_add(char_u *str, int len, int icase, char_u *fname, char_u **cptext, int cdir, int flags, int adup); +static void ins_compl_longest_match(compl_T *match); +static void ins_compl_del_pum(void); +static void ins_compl_files(int count, char_u **files, int thesaurus, int flags, regmatch_T *regmatch, char_u *buf, int *dir); +static char_u *find_line_end(char_u *ptr); +static void ins_compl_free(void); +static char_u *ins_compl_mode(void); +static int ins_compl_need_restart(void); +static void ins_compl_new_leader(void); +static int ins_compl_len(void); +static void ins_compl_restart(void); +static void ins_compl_set_original_text(char_u *str); +static void ins_compl_fixRedoBufForLeader(char_u *ptr_arg); +# if defined(FEAT_COMPL_FUNC) || defined(FEAT_EVAL) +static void ins_compl_add_list(list_T *list); +static void ins_compl_add_dict(dict_T *dict); +# endif +static int ins_compl_key2dir(int c); +static int ins_compl_pum_key(int c); +static int ins_compl_key2count(int c); +static void show_pum(int prev_w_wrow, int prev_w_leftcol); +static unsigned quote_meta(char_u *dest, char_u *str, int len); +#endif // FEAT_INS_EXPAND + +#ifdef FEAT_SPELL +static void spell_back_to_badword(void); +static int spell_bad_len = 0; // length of located bad word +#endif + +#if defined(FEAT_INS_EXPAND) || defined(PROTO) +/* + * CTRL-X pressed in Insert mode. + */ + void +ins_ctrl_x(void) +{ + // CTRL-X after CTRL-X CTRL-V doesn't do anything, so that CTRL-X + // CTRL-V works like CTRL-N + if (ctrl_x_mode != CTRL_X_CMDLINE) + { + // if the next ^X<> won't ADD nothing, then reset + // compl_cont_status + if (compl_cont_status & CONT_N_ADDS) + compl_cont_status |= CONT_INTRPT; + else + compl_cont_status = 0; + // We're not sure which CTRL-X mode it will be yet + ctrl_x_mode = CTRL_X_NOT_DEFINED_YET; + edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode)); + edit_submode_pre = NULL; + showmode(); + } +} + +/* + * Functions to check the current CTRL-X mode. + */ +int ctrl_x_mode_none(void) { return ctrl_x_mode == 0; } +int ctrl_x_mode_normal(void) { return ctrl_x_mode == CTRL_X_NORMAL; } +int ctrl_x_mode_scroll(void) { return ctrl_x_mode == CTRL_X_SCROLL; } +int ctrl_x_mode_whole_line(void) { return ctrl_x_mode == CTRL_X_WHOLE_LINE; } +int ctrl_x_mode_files(void) { return ctrl_x_mode == CTRL_X_FILES; } +int ctrl_x_mode_tags(void) { return ctrl_x_mode == CTRL_X_TAGS; } +int ctrl_x_mode_path_patterns(void) { + return ctrl_x_mode == CTRL_X_PATH_PATTERNS; } +int ctrl_x_mode_path_defines(void) { + return ctrl_x_mode == CTRL_X_PATH_DEFINES; } +int ctrl_x_mode_dictionary(void) { return ctrl_x_mode == CTRL_X_DICTIONARY; } +int ctrl_x_mode_thesaurus(void) { return ctrl_x_mode == CTRL_X_THESAURUS; } +int ctrl_x_mode_cmdline(void) { return ctrl_x_mode == CTRL_X_CMDLINE; } +int ctrl_x_mode_function(void) { return ctrl_x_mode == CTRL_X_FUNCTION; } +int ctrl_x_mode_omni(void) { return ctrl_x_mode == CTRL_X_OMNI; } +int ctrl_x_mode_spell(void) { return ctrl_x_mode == CTRL_X_SPELL; } +int ctrl_x_mode_line_or_eval(void) { + return ctrl_x_mode == CTRL_X_WHOLE_LINE || ctrl_x_mode == CTRL_X_EVAL; } + +/* + * Whether other than default completion has been selected. + */ + int +ctrl_x_mode_not_default(void) +{ + return ctrl_x_mode != CTRL_X_NORMAL; +} + +/* + * Whether CTRL-X was typed without a following character. + */ + int +ctrl_x_mode_not_defined_yet(void) +{ + return ctrl_x_mode == CTRL_X_NOT_DEFINED_YET; +} + +/* + * Return TRUE if the 'dict' or 'tsr' option can be used. + */ + int +has_compl_option(int dict_opt) +{ + if (dict_opt ? (*curbuf->b_p_dict == NUL && *p_dict == NUL +# ifdef FEAT_SPELL + && !curwin->w_p_spell +# endif + ) + : (*curbuf->b_p_tsr == NUL && *p_tsr == NUL)) + { + ctrl_x_mode = CTRL_X_NORMAL; + edit_submode = NULL; + msg_attr(dict_opt ? _("'dictionary' option is empty") + : _("'thesaurus' option is empty"), + HL_ATTR(HLF_E)); + if (emsg_silent == 0) + { + vim_beep(BO_COMPL); + setcursor(); + out_flush(); +#ifdef FEAT_EVAL + if (!get_vim_var_nr(VV_TESTING)) +#endif + ui_delay(2000L, FALSE); + } + return FALSE; + } + return TRUE; +} + +/* + * Is the character 'c' a valid key to go to or keep us in CTRL-X mode? + * This depends on the current mode. + */ + int +vim_is_ctrl_x_key(int c) +{ + // Always allow ^R - let its results then be checked + if (c == Ctrl_R) + return TRUE; + + // Accept <PageUp> and <PageDown> if the popup menu is visible. + if (ins_compl_pum_key(c)) + return TRUE; + + switch (ctrl_x_mode) + { + case 0: // Not in any CTRL-X mode + return (c == Ctrl_N || c == Ctrl_P || c == Ctrl_X); + case CTRL_X_NOT_DEFINED_YET: + return ( c == Ctrl_X || c == Ctrl_Y || c == Ctrl_E + || c == Ctrl_L || c == Ctrl_F || c == Ctrl_RSB + || c == Ctrl_I || c == Ctrl_D || c == Ctrl_P + || c == Ctrl_N || c == Ctrl_T || c == Ctrl_V + || c == Ctrl_Q || c == Ctrl_U || c == Ctrl_O + || c == Ctrl_S || c == Ctrl_K || c == 's'); + case CTRL_X_SCROLL: + return (c == Ctrl_Y || c == Ctrl_E); + case CTRL_X_WHOLE_LINE: + return (c == Ctrl_L || c == Ctrl_P || c == Ctrl_N); + case CTRL_X_FILES: + return (c == Ctrl_F || c == Ctrl_P || c == Ctrl_N); + case CTRL_X_DICTIONARY: + return (c == Ctrl_K || c == Ctrl_P || c == Ctrl_N); + case CTRL_X_THESAURUS: + return (c == Ctrl_T || c == Ctrl_P || c == Ctrl_N); + case CTRL_X_TAGS: + return (c == Ctrl_RSB || c == Ctrl_P || c == Ctrl_N); +#ifdef FEAT_FIND_ID + case CTRL_X_PATH_PATTERNS: + return (c == Ctrl_P || c == Ctrl_N); + case CTRL_X_PATH_DEFINES: + return (c == Ctrl_D || c == Ctrl_P || c == Ctrl_N); +#endif + case CTRL_X_CMDLINE: + return (c == Ctrl_V || c == Ctrl_Q || c == Ctrl_P || c == Ctrl_N + || c == Ctrl_X); +#ifdef FEAT_COMPL_FUNC + case CTRL_X_FUNCTION: + return (c == Ctrl_U || c == Ctrl_P || c == Ctrl_N); + case CTRL_X_OMNI: + return (c == Ctrl_O || c == Ctrl_P || c == Ctrl_N); +#endif + case CTRL_X_SPELL: + return (c == Ctrl_S || c == Ctrl_P || c == Ctrl_N); + case CTRL_X_EVAL: + return (c == Ctrl_P || c == Ctrl_N); + } + internal_error("vim_is_ctrl_x_key()"); + return FALSE; +} + +/* + * Return TRUE when character "c" is part of the item currently being + * completed. Used to decide whether to abandon complete mode when the menu + * is visible. + */ + int +ins_compl_accept_char(int c) +{ + if (ctrl_x_mode & CTRL_X_WANT_IDENT) + // When expanding an identifier only accept identifier chars. + return vim_isIDc(c); + + switch (ctrl_x_mode) + { + case CTRL_X_FILES: + // When expanding file name only accept file name chars. But not + // path separators, so that "proto/<Tab>" expands files in + // "proto", not "proto/" as a whole + return vim_isfilec(c) && !vim_ispathsep(c); + + case CTRL_X_CMDLINE: + case CTRL_X_OMNI: + // Command line and Omni completion can work with just about any + // printable character, but do stop at white space. + return vim_isprintc(c) && !VIM_ISWHITE(c); + + case CTRL_X_WHOLE_LINE: + // For while line completion a space can be part of the line. + return vim_isprintc(c); + } + return vim_iswordc(c); +} + +/* + * This is like ins_compl_add(), but if 'ic' and 'inf' are set, then the + * case of the originally typed text is used, and the case of the completed + * text is inferred, ie this tries to work out what case you probably wanted + * the rest of the word to be in -- webb + */ + int +ins_compl_add_infercase( + char_u *str, + int len, + int icase, + char_u *fname, + int dir, + int flags) +{ + char_u *p; + int i, c; + int actual_len; // Take multi-byte characters + int actual_compl_length; // into account. + int min_len; + int *wca; // Wide character array. + int has_lower = FALSE; + int was_letter = FALSE; + + if (p_ic && curbuf->b_p_inf && len > 0) + { + // Infer case of completed part. + + // Find actual length of completion. + if (has_mbyte) + { + p = str; + actual_len = 0; + while (*p != NUL) + { + MB_PTR_ADV(p); + ++actual_len; + } + } + else + actual_len = len; + + // Find actual length of original text. + if (has_mbyte) + { + p = compl_orig_text; + actual_compl_length = 0; + while (*p != NUL) + { + MB_PTR_ADV(p); + ++actual_compl_length; + } + } + else + actual_compl_length = compl_length; + + // "actual_len" may be smaller than "actual_compl_length" when using + // thesaurus, only use the minimum when comparing. + min_len = actual_len < actual_compl_length + ? actual_len : actual_compl_length; + + // Allocate wide character array for the completion and fill it. + wca = (int *)alloc((unsigned)(actual_len * sizeof(int))); + if (wca != NULL) + { + p = str; + for (i = 0; i < actual_len; ++i) + if (has_mbyte) + wca[i] = mb_ptr2char_adv(&p); + else + wca[i] = *(p++); + + // Rule 1: Were any chars converted to lower? + p = compl_orig_text; + for (i = 0; i < min_len; ++i) + { + if (has_mbyte) + c = mb_ptr2char_adv(&p); + else + c = *(p++); + if (MB_ISLOWER(c)) + { + has_lower = TRUE; + if (MB_ISUPPER(wca[i])) + { + // Rule 1 is satisfied. + for (i = actual_compl_length; i < actual_len; ++i) + wca[i] = MB_TOLOWER(wca[i]); + break; + } + } + } + + // Rule 2: No lower case, 2nd consecutive letter converted to + // upper case. + if (!has_lower) + { + p = compl_orig_text; + for (i = 0; i < min_len; ++i) + { + if (has_mbyte) + c = mb_ptr2char_adv(&p); + else + c = *(p++); + if (was_letter && MB_ISUPPER(c) && MB_ISLOWER(wca[i])) + { + // Rule 2 is satisfied. + for (i = actual_compl_length; i < actual_len; ++i) + wca[i] = MB_TOUPPER(wca[i]); + break; + } + was_letter = MB_ISLOWER(c) || MB_ISUPPER(c); + } + } + + // Copy the original case of the part we typed. + p = compl_orig_text; + for (i = 0; i < min_len; ++i) + { + if (has_mbyte) + c = mb_ptr2char_adv(&p); + else + c = *(p++); + if (MB_ISLOWER(c)) + wca[i] = MB_TOLOWER(wca[i]); + else if (MB_ISUPPER(c)) + wca[i] = MB_TOUPPER(wca[i]); + } + + // Generate encoding specific output from wide character array. + // Multi-byte characters can occupy up to five bytes more than + // ASCII characters, and we also need one byte for NUL, so stay + // six bytes away from the edge of IObuff. + p = IObuff; + i = 0; + while (i < actual_len && (p - IObuff + 6) < IOSIZE) + if (has_mbyte) + p += (*mb_char2bytes)(wca[i++], p); + else + *(p++) = wca[i++]; + *p = NUL; + + vim_free(wca); + } + + return ins_compl_add(IObuff, len, icase, fname, NULL, dir, + flags, FALSE); + } + return ins_compl_add(str, len, icase, fname, NULL, dir, flags, FALSE); +} + +/* + * Add a match to the list of matches. + * If the given string is already in the list of completions, then return + * NOTDONE, otherwise add it to the list and return OK. If there is an error, + * maybe because alloc() returns NULL, then FAIL is returned. + */ + static int +ins_compl_add( + char_u *str, + int len, + int icase, + char_u *fname, + char_u **cptext, // extra text for popup menu or NULL + int cdir, + int flags, + int adup) // accept duplicate match +{ + compl_T *match; + int dir = (cdir == 0 ? compl_direction : cdir); + + ui_breakcheck(); + if (got_int) + return FAIL; + if (len < 0) + len = (int)STRLEN(str); + + // If the same match is already present, don't add it. + if (compl_first_match != NULL && !adup) + { + match = compl_first_match; + do + { + if ( !(match->cp_flags & ORIGINAL_TEXT) + && STRNCMP(match->cp_str, str, len) == 0 + && match->cp_str[len] == NUL) + return NOTDONE; + match = match->cp_next; + } while (match != NULL && match != compl_first_match); + } + + // Remove any popup menu before changing the list of matches. + ins_compl_del_pum(); + + // Allocate a new match structure. + // Copy the values to the new match structure. + match = (compl_T *)alloc_clear((unsigned)sizeof(compl_T)); + if (match == NULL) + return FAIL; + match->cp_number = -1; + if (flags & ORIGINAL_TEXT) + match->cp_number = 0; + if ((match->cp_str = vim_strnsave(str, len)) == NULL) + { + vim_free(match); + return FAIL; + } + match->cp_icase = icase; + + // match-fname is: + // - compl_curr_match->cp_fname if it is a string equal to fname. + // - a copy of fname, 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 |= FREE_FNAME; + } + else + match->cp_fname = NULL; + match->cp_flags = flags; + + if (cptext != NULL) + { + int i; + + for (i = 0; i < CPT_COUNT; ++i) + if (cptext[i] != NULL && *cptext[i] != NUL) + match->cp_text[i] = vim_strsave(cptext[i]); + } + + // Link the new match structure in the list of matches. + if (compl_first_match == NULL) + match->cp_next = match->cp_prev = NULL; + else if (dir == FORWARD) + { + match->cp_next = compl_curr_match->cp_next; + match->cp_prev = compl_curr_match; + } + else // BACKWARD + { + match->cp_next = compl_curr_match; + match->cp_prev = compl_curr_match->cp_prev; + } + if (match->cp_next) + match->cp_next->cp_prev = match; + if (match->cp_prev) + match->cp_prev->cp_next = match; + else // if there's nothing before, it is the first match + compl_first_match = match; + compl_curr_match = match; + + // Find the longest common string if still doing that. + if (compl_get_longest && (flags & ORIGINAL_TEXT) == 0) + ins_compl_longest_match(match); + + return OK; +} + +/* + * Return TRUE if "str[len]" matches with match->cp_str, considering + * match->cp_icase. + */ + static int +ins_compl_equal(compl_T *match, char_u *str, int len) +{ + if (match->cp_icase) + return STRNICMP(match->cp_str, str, (size_t)len) == 0; + return STRNCMP(match->cp_str, str, (size_t)len) == 0; +} + +/* + * Reduce the longest common string for match "match". + */ + static void +ins_compl_longest_match(compl_T *match) +{ + char_u *p, *s; + int c1, c2; + int had_match; + + if (compl_leader == NULL) + { + // First match, use it as a whole. + compl_leader = vim_strsave(match->cp_str); + if (compl_leader != NULL) + { + had_match = (curwin->w_cursor.col > compl_col); + ins_compl_delete(); + ins_bytes(compl_leader + ins_compl_len()); + ins_redraw(FALSE); + + // When the match isn't there (to avoid matching itself) remove it + // again after redrawing. + if (!had_match) + ins_compl_delete(); + compl_used_match = FALSE; + } + } + else + { + // Reduce the text if this match differs from compl_leader. + p = compl_leader; + s = match->cp_str; + while (*p != NUL) + { + if (has_mbyte) + { + c1 = mb_ptr2char(p); + c2 = mb_ptr2char(s); + } + else + { + c1 = *p; + c2 = *s; + } + if (match->cp_icase ? (MB_TOLOWER(c1) != MB_TOLOWER(c2)) + : (c1 != c2)) + break; + if (has_mbyte) + { + MB_PTR_ADV(p); + MB_PTR_ADV(s); + } + else + { + ++p; + ++s; + } + } + + if (*p != NUL) + { + // Leader was shortened, need to change the inserted text. + *p = NUL; + had_match = (curwin->w_cursor.col > compl_col); + ins_compl_delete(); + ins_bytes(compl_leader + ins_compl_len()); + ins_redraw(FALSE); + + // When the match isn't there (to avoid matching itself) remove it + // again after redrawing. + if (!had_match) + ins_compl_delete(); + } + + compl_used_match = FALSE; + } +} + +/* + * Add an array of matches to the list of matches. + * Frees matches[]. + */ + static void +ins_compl_add_matches( + int num_matches, + char_u **matches, + int icase) +{ + int i; + int add_r = OK; + int dir = compl_direction; + + for (i = 0; i < num_matches && add_r != FAIL; i++) + if ((add_r = ins_compl_add(matches[i], -1, icase, + NULL, NULL, dir, 0, FALSE)) == OK) + // if dir was BACKWARD then honor it just once + dir = FORWARD; + FreeWild(num_matches, matches); +} + +/* + * Make the completion list cyclic. + * Return the number of matches (excluding the original). + */ + static int +ins_compl_make_cyclic(void) +{ + compl_T *match; + int count = 0; + + if (compl_first_match != NULL) + { + // Find the end of the list. + match = compl_first_match; + // there's always an entry for the compl_orig_text, it doesn't count. + while (match->cp_next != NULL && match->cp_next != compl_first_match) + { + match = match->cp_next; + ++count; + } + match->cp_next = compl_first_match; + compl_first_match->cp_prev = match; + } + return count; +} + +/* + * Return whether there currently is a shown match. + */ + int +ins_compl_has_shown_match(void) +{ + return compl_shown_match == NULL + || compl_shown_match != compl_shown_match->cp_next; +} + +/* + * Return whether the shown match is long enough. + */ + int +ins_compl_long_shown_match(void) +{ + return (int)STRLEN(compl_shown_match->cp_str) + > curwin->w_cursor.col - compl_col; +} + +/* + * Set variables that store noselect and noinsert behavior from the + * 'completeopt' value. + */ + void +completeopt_was_set(void) +{ + compl_no_insert = FALSE; + compl_no_select = FALSE; + if (strstr((char *)p_cot, "noselect") != NULL) + compl_no_select = TRUE; + if (strstr((char *)p_cot, "noinsert") != NULL) + compl_no_insert = TRUE; +} + +/* + * Start completion for the complete() function. + * "startcol" is where the matched text starts (1 is first column). + * "list" is the list of matches. + */ + void +set_completion(colnr_T startcol, list_T *list) +{ + int save_w_wrow = curwin->w_wrow; + int save_w_leftcol = curwin->w_leftcol; + + // If already doing completions stop it. + if (ctrl_x_mode != CTRL_X_NORMAL) + ins_compl_prep(' '); + ins_compl_clear(); + ins_compl_free(); + + compl_direction = FORWARD; + if (startcol > curwin->w_cursor.col) + startcol = curwin->w_cursor.col; + compl_col = startcol; + compl_length = (int)curwin->w_cursor.col - (int)startcol; + // compl_pattern doesn't need to be set + compl_orig_text = vim_strnsave(ml_get_curline() + compl_col, compl_length); + if (compl_orig_text == NULL || ins_compl_add(compl_orig_text, + -1, p_ic, NULL, NULL, 0, ORIGINAL_TEXT, FALSE) != OK) + return; + + ctrl_x_mode = CTRL_X_EVAL; + + ins_compl_add_list(list); + compl_matches = ins_compl_make_cyclic(); + compl_started = TRUE; + compl_used_match = TRUE; + compl_cont_status = 0; + + compl_curr_match = compl_first_match; + if (compl_no_insert || compl_no_select) + { + ins_complete(K_DOWN, FALSE); + if (compl_no_select) + // Down/Up has no real effect. + ins_complete(K_UP, FALSE); + } + else + ins_complete(Ctrl_N, FALSE); + compl_enter_selects = compl_no_insert; + + // Lazily show the popup menu, unless we got interrupted. + if (!compl_interrupted) + show_pum(save_w_wrow, save_w_leftcol); + out_flush(); +} + + +// "compl_match_array" points the currently displayed list of entries in the +// popup menu. It is NULL when there is no popup menu. +static pumitem_T *compl_match_array = NULL; +static int compl_match_arraysize; + +/* + * Update the screen and when there is any scrolling remove the popup menu. + */ + static void +ins_compl_upd_pum(void) +{ + int h; + + if (compl_match_array != NULL) + { + h = curwin->w_cline_height; + // Update the screen later, before drawing the popup menu over it. + pum_call_update_screen(); + if (h != curwin->w_cline_height) + ins_compl_del_pum(); + } +} + +/* + * Remove any popup menu. + */ + static void +ins_compl_del_pum(void) +{ + if (compl_match_array != NULL) + { + pum_undisplay(); + VIM_CLEAR(compl_match_array); + } +} + +/* + * Return TRUE if the popup menu should be displayed. + */ + int +pum_wanted(void) +{ + // 'completeopt' must contain "menu" or "menuone" + if (vim_strchr(p_cot, 'm') == NULL) + return FALSE; + + // The display looks bad on a B&W display. + if (t_colors < 8 +#ifdef FEAT_GUI + && !gui.in_use +#endif + ) + return FALSE; + return TRUE; +} + +/* + * Return TRUE if there are two or more matches to be shown in the popup menu. + * One if 'completopt' contains "menuone". + */ + static int +pum_enough_matches(void) +{ + compl_T *compl; + int i; + + // Don't display the popup menu if there are no matches or there is only + // one (ignoring the original text). + compl = compl_first_match; + i = 0; + do + { + if (compl == NULL + || ((compl->cp_flags & ORIGINAL_TEXT) == 0 && ++i == 2)) + break; + compl = compl->cp_next; + } while (compl != compl_first_match); + + if (strstr((char *)p_cot, "menuone") != NULL) + return (i >= 1); + return (i >= 2); +} + +/* + * Show the popup menu for the list of matches. + * Also adjusts "compl_shown_match" to an entry that is actually displayed. + */ + void +ins_compl_show_pum(void) +{ + compl_T *compl; + compl_T *shown_compl = NULL; + int did_find_shown_match = FALSE; + int shown_match_ok = FALSE; + int i; + int cur = -1; + colnr_T col; + int lead_len = 0; + + if (!pum_wanted() || !pum_enough_matches()) + return; + +#if defined(FEAT_EVAL) + // Dirty hard-coded hack: remove any matchparen highlighting. + do_cmdline_cmd((char_u *)"if exists('g:loaded_matchparen')|3match none|endif"); +#endif + + // Update the screen later, before drawing the popup menu over it. + pum_call_update_screen(); + + if (compl_match_array == NULL) + { + // Need to build the popup menu list. + compl_match_arraysize = 0; + compl = compl_first_match; + if (compl_leader != NULL) + lead_len = (int)STRLEN(compl_leader); + do + { + if ((compl->cp_flags & ORIGINAL_TEXT) == 0 + && (compl_leader == NULL + || ins_compl_equal(compl, compl_leader, lead_len))) + ++compl_match_arraysize; + compl = compl->cp_next; + } while (compl != NULL && compl != compl_first_match); + if (compl_match_arraysize == 0) + return; + compl_match_array = (pumitem_T *)alloc_clear( + (unsigned)(sizeof(pumitem_T) + * compl_match_arraysize)); + if (compl_match_array != NULL) + { + // If the current match is the original text don't find the first + // match after it, don't highlight anything. + if (compl_shown_match->cp_flags & ORIGINAL_TEXT) + shown_match_ok = TRUE; + + i = 0; + compl = compl_first_match; + do + { + if ((compl->cp_flags & ORIGINAL_TEXT) == 0 + && (compl_leader == NULL + || ins_compl_equal(compl, compl_leader, lead_len))) + { + if (!shown_match_ok) + { + if (compl == compl_shown_match || did_find_shown_match) + { + // This item is the shown match or this is the + // first displayed item after the shown match. + compl_shown_match = compl; + did_find_shown_match = TRUE; + shown_match_ok = TRUE; + } + else + // Remember this displayed match for when the + // shown match is just below it. + shown_compl = compl; + cur = i; + } + + if (compl->cp_text[CPT_ABBR] != NULL) + compl_match_array[i].pum_text = + compl->cp_text[CPT_ABBR]; + else + compl_match_array[i].pum_text = compl->cp_str; + compl_match_array[i].pum_kind = compl->cp_text[CPT_KIND]; + compl_match_array[i].pum_info = compl->cp_text[CPT_INFO]; + if (compl->cp_text[CPT_MENU] != NULL) + compl_match_array[i++].pum_extra = + compl->cp_text[CPT_MENU]; + else + compl_match_array[i++].pum_extra = compl->cp_fname; + } + + if (compl == compl_shown_match) + { + did_find_shown_match = TRUE; + + // When the original text is the shown match don't set + // compl_shown_match. + if (compl->cp_flags & ORIGINAL_TEXT) + shown_match_ok = TRUE; + + if (!shown_match_ok && shown_compl != NULL) + { + // The shown match isn't displayed, set it to the + // previously displayed match. + compl_shown_match = shown_compl; + shown_match_ok = TRUE; + } + } + compl = compl->cp_next; + } while (compl != NULL && compl != compl_first_match); + + if (!shown_match_ok) // no displayed match at all + cur = -1; + } + } + else + { + // popup menu already exists, only need to find the current item. + for (i = 0; i < compl_match_arraysize; ++i) + if (compl_match_array[i].pum_text == compl_shown_match->cp_str + || compl_match_array[i].pum_text + == compl_shown_match->cp_text[CPT_ABBR]) + { + cur = i; + break; + } + } + + if (compl_match_array != NULL) + { + // In Replace mode when a $ is displayed at the end of the line only + // part of the screen would be updated. We do need to redraw here. + dollar_vcol = -1; + + // Compute the screen column of the start of the completed text. + // Use the cursor to get all wrapping and other settings right. + col = curwin->w_cursor.col; + curwin->w_cursor.col = compl_col; + pum_display(compl_match_array, compl_match_arraysize, cur); + curwin->w_cursor.col = col; + } +} + +#define DICT_FIRST (1) // use just first element in "dict" +#define DICT_EXACT (2) // "dict" is the exact name of a file + +/* + * Add any identifiers that match the given pattern in the list of dictionary + * files "dict_start" to the list of completions. + */ + static void +ins_compl_dictionaries( + char_u *dict_start, + char_u *pat, + int flags, // DICT_FIRST and/or DICT_EXACT + int thesaurus) // Thesaurus completion +{ + char_u *dict = dict_start; + char_u *ptr; + char_u *buf; + regmatch_T regmatch; + char_u **files; + int count; + int save_p_scs; + int dir = compl_direction; + + if (*dict == NUL) + { +#ifdef FEAT_SPELL + // When 'dictionary' is empty and spell checking is enabled use + // "spell". + if (!thesaurus && curwin->w_p_spell) + dict = (char_u *)"spell"; + else +#endif + return; + } + + buf = alloc(LSIZE); + if (buf == NULL) + return; + regmatch.regprog = NULL; // so that we can goto theend + + // If 'infercase' is set, don't use 'smartcase' here + save_p_scs = p_scs; + if (curbuf->b_p_inf) + p_scs = FALSE; + + // When invoked to match whole lines for CTRL-X CTRL-L adjust the pattern + // to only match at the start of a line. Otherwise just match the + // pattern. Also need to double backslashes. + if (ctrl_x_mode_line_or_eval()) + { + char_u *pat_esc = vim_strsave_escaped(pat, (char_u *)"\\"); + size_t len; + + if (pat_esc == NULL) + goto theend; + len = STRLEN(pat_esc) + 10; + ptr = alloc((unsigned)len); + if (ptr == NULL) + { + vim_free(pat_esc); + goto theend; + } + vim_snprintf((char *)ptr, len, "^\\s*\\zs\\V%s", pat_esc); + regmatch.regprog = vim_regcomp(ptr, RE_MAGIC); + vim_free(pat_esc); + vim_free(ptr); + } + else + { + regmatch.regprog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0); + if (regmatch.regprog == NULL) + goto theend; + } + + // ignore case depends on 'ignorecase', 'smartcase' and "pat" + regmatch.rm_ic = ignorecase(pat); + while (*dict != NUL && !got_int && !compl_interrupted) + { + // copy one dictionary file name into buf + if (flags == DICT_EXACT) + { + count = 1; + files = &dict; + } + else + { + // Expand wildcards in the dictionary name, but do not allow + // backticks (for security, the 'dict' option may have been set in + // a modeline). + copy_option_part(&dict, buf, LSIZE, ","); +# ifdef FEAT_SPELL + if (!thesaurus && STRCMP(buf, "spell") == 0) + count = -1; + else +# endif + if (vim_strchr(buf, '`') != NULL + || expand_wildcards(1, &buf, &count, &files, + EW_FILE|EW_SILENT) != OK) + count = 0; + } + +# ifdef FEAT_SPELL + if (count == -1) + { + // Complete from active spelling. Skip "\<" in the pattern, we + // don't use it as a RE. + if (pat[0] == '\\' && pat[1] == '<') + ptr = pat + 2; + else + ptr = pat; + spell_dump_compl(ptr, regmatch.rm_ic, &dir, 0); + } + else +# endif + if (count > 0) // avoid warning for using "files" uninit + { + ins_compl_files(count, files, thesaurus, flags, + ®match, buf, &dir); + if (flags != DICT_EXACT) + FreeWild(count, files); + } + if (flags != 0) + break; + } + +theend: + p_scs = save_p_scs; + vim_regfree(regmatch.regprog); + vim_free(buf); +} + + static void +ins_compl_files( + int count, + char_u **files, + int thesaurus, + int flags, + regmatch_T *regmatch, + char_u *buf, + int *dir) +{ + char_u *ptr; + int i; + FILE *fp; + int add_r; + + for (i = 0; i < count && !got_int && !compl_interrupted; i++) + { + fp = mch_fopen((char *)files[i], "r"); // open dictionary file + if (flags != DICT_EXACT) + { + vim_snprintf((char *)IObuff, IOSIZE, + _("Scanning dictionary: %s"), (char *)files[i]); + (void)msg_trunc_attr((char *)IObuff, TRUE, HL_ATTR(HLF_R)); + } + + if (fp != NULL) + { + // Read dictionary file line by line. + // Check each line for a match. + while (!got_int && !compl_interrupted + && !vim_fgets(buf, LSIZE, fp)) + { + ptr = buf; + while (vim_regexec(regmatch, buf, (colnr_T)(ptr - buf))) + { + ptr = regmatch->startp[0]; + if (ctrl_x_mode_line_or_eval()) + ptr = find_line_end(ptr); + else + ptr = find_word_end(ptr); + add_r = ins_compl_add_infercase(regmatch->startp[0], + (int)(ptr - regmatch->startp[0]), + p_ic, files[i], *dir, 0); + if (thesaurus) + { + char_u *wstart; + + // Add the other matches on the line + ptr = buf; + while (!got_int) + { + // Find start of the next word. Skip white + // space and punctuation. + ptr = find_word_start(ptr); + if (*ptr == NUL || *ptr == NL) + break; + wstart = ptr; + + // Find end of the word. + if (has_mbyte) + // Japanese words may have characters in + // different classes, only separate words + // with single-byte non-word characters. + while (*ptr != NUL) + { + int l = (*mb_ptr2len)(ptr); + + if (l < 2 && !vim_iswordc(*ptr)) + break; + ptr += l; + } + else + ptr = find_word_end(ptr); + + // Add the word. Skip the regexp match. + if (wstart != regmatch->startp[0]) + add_r = ins_compl_add_infercase(wstart, + (int)(ptr - wstart), + p_ic, files[i], *dir, 0); + } + } + if (add_r == OK) + // if dir was BACKWARD then honor it just once + *dir = FORWARD; + else if (add_r == FAIL) + break; + // avoid expensive call to vim_regexec() when at end + // of line + if (*ptr == '\n' || got_int) + break; + } + line_breakcheck(); + ins_compl_check_keys(50, FALSE); + } + fclose(fp); + } + } +} + +/* + * Find the start of the next word. + * Returns a pointer to the first char of the word. Also stops at a NUL. + */ + char_u * +find_word_start(char_u *ptr) +{ + if (has_mbyte) + while (*ptr != NUL && *ptr != '\n' && mb_get_class(ptr) <= 1) + ptr += (*mb_ptr2len)(ptr); + else + while (*ptr != NUL && *ptr != '\n' && !vim_iswordc(*ptr)) + ++ptr; + return ptr; +} + +/* + * Find the end of the word. Assumes it starts inside a word. + * Returns a pointer to just after the word. + */ + char_u * +find_word_end(char_u *ptr) +{ + int start_class; + + if (has_mbyte) + { + start_class = mb_get_class(ptr); + if (start_class > 1) + while (*ptr != NUL) + { + ptr += (*mb_ptr2len)(ptr); + if (mb_get_class(ptr) != start_class) + break; + } + } + else + while (vim_iswordc(*ptr)) + ++ptr; + return ptr; +} + +/* + * Find the end of the line, omitting CR and NL at the end. + * Returns a pointer to just after the line. + */ + static char_u * +find_line_end(char_u *ptr) +{ + char_u *s; + + s = ptr + STRLEN(ptr); + while (s > ptr && (s[-1] == CAR || s[-1] == NL)) + --s; + return s; +} + +/* + * Free the list of completions + */ + static void +ins_compl_free(void) +{ + compl_T *match; + int i; + + VIM_CLEAR(compl_pattern); + VIM_CLEAR(compl_leader); + + if (compl_first_match == NULL) + return; + + ins_compl_del_pum(); + pum_clear(); + + compl_curr_match = compl_first_match; + do + { + match = compl_curr_match; + compl_curr_match = compl_curr_match->cp_next; + vim_free(match->cp_str); + // several entries may use the same fname, free it just once. + if (match->cp_flags & FREE_FNAME) + vim_free(match->cp_fname); + for (i = 0; i < CPT_COUNT; ++i) + vim_free(match->cp_text[i]); + vim_free(match); + } while (compl_curr_match != NULL && compl_curr_match != compl_first_match); + compl_first_match = compl_curr_match = NULL; + compl_shown_match = NULL; + compl_old_match = NULL; +} + + void +ins_compl_clear(void) +{ + compl_cont_status = 0; + compl_started = FALSE; + compl_matches = 0; + VIM_CLEAR(compl_pattern); + VIM_CLEAR(compl_leader); + edit_submode_extra = NULL; + VIM_CLEAR(compl_orig_text); + compl_enter_selects = FALSE; + // clear v:completed_item + set_vim_var_dict(VV_COMPLETED_ITEM, dict_alloc_lock(VAR_FIXED)); +} + +/* + * Return TRUE when Insert completion is active. + */ + int +ins_compl_active(void) +{ + return compl_started; +} + +/* + * Get complete information + */ + void +get_complete_info(list_T *what_list, dict_T *retdict) +{ + int ret = OK; + listitem_T *item; +#define CI_WHAT_MODE 0x01 +#define CI_WHAT_PUM_VISIBLE 0x02 +#define CI_WHAT_ITEMS 0x04 +#define CI_WHAT_SELECTED 0x08 +#define CI_WHAT_INSERTED 0x10 +#define CI_WHAT_ALL 0xff + int what_flag; + + if (what_list == NULL) + what_flag = CI_WHAT_ALL; + else + { + what_flag = 0; + for (item = what_list->lv_first; item != NULL; item = item->li_next) + { + char_u *what = tv_get_string(&item->li_tv); + + if (STRCMP(what, "mode") == 0) + what_flag |= CI_WHAT_MODE; + else if (STRCMP(what, "pum_visible") == 0) + what_flag |= CI_WHAT_PUM_VISIBLE; + else if (STRCMP(what, "items") == 0) + what_flag |= CI_WHAT_ITEMS; + else if (STRCMP(what, "selected") == 0) + what_flag |= CI_WHAT_SELECTED; + else if (STRCMP(what, "inserted") == 0) + what_flag |= CI_WHAT_INSERTED; + } + } + + if (ret == OK && (what_flag & CI_WHAT_MODE)) + ret = dict_add_string(retdict, "mode", ins_compl_mode()); + + if (ret == OK && (what_flag & CI_WHAT_PUM_VISIBLE)) + ret = dict_add_number(retdict, "pum_visible", pum_visible()); + + if (ret == OK && (what_flag & CI_WHAT_ITEMS)) + { + list_T *li; + dict_T *di; + compl_T *match; + + li = list_alloc(); + if (li == NULL) + return; + ret = dict_add_list(retdict, "items", li); + if (ret == OK && compl_first_match != NULL) + { + match = compl_first_match; + do + { + if (!(match->cp_flags & ORIGINAL_TEXT)) + { + di = dict_alloc(); + if (di == NULL) + return; + ret = list_append_dict(li, di); + if (ret != OK) + return; + dict_add_string(di, "word", match->cp_str); + dict_add_string(di, "abbr", match->cp_text[CPT_ABBR]); + dict_add_string(di, "menu", match->cp_text[CPT_MENU]); + dict_add_string(di, "kind", match->cp_text[CPT_KIND]); + dict_add_string(di, "info", match->cp_text[CPT_INFO]); + dict_add_string(di, "user_data", + match->cp_text[CPT_USER_DATA]); + } + match = match->cp_next; + } + while (match != NULL && match != compl_first_match); + } + } + + if (ret == OK && (what_flag & CI_WHAT_SELECTED)) + ret = dict_add_number(retdict, "selected", (compl_curr_match != NULL) ? + compl_curr_match->cp_number - 1 : -1); + + // TODO + // if (ret == OK && (what_flag & CI_WHAT_INSERTED)) +} + +/* + * Return Insert completion mode name string + */ + static char_u * +ins_compl_mode(void) +{ + if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET || compl_started) + return (char_u *)ctrl_x_mode_names[ctrl_x_mode & ~CTRL_X_WANT_IDENT]; + + return (char_u *)""; +} + +/* + * Selected one of the matches. When FALSE the match was edited or using the + * longest common string. + */ + int +ins_compl_used_match(void) +{ + return compl_used_match; +} + +/* + * Initialize get longest common string. + */ + void +ins_compl_init_get_longest(void) +{ + compl_get_longest = FALSE; +} + +/* + * Returns TRUE when insert completion is interrupted. + */ + int +ins_compl_interrupted(void) +{ + return compl_interrupted; +} + +/* + * Returns TRUE if the <Enter> key selects a match in the completion popup + * menu. + */ + int +ins_compl_enter_selects(void) +{ + return compl_enter_selects; +} + +/* + * Return the column where the text starts that is being completed + */ + colnr_T +ins_compl_col(void) +{ + return compl_col; +} + +/* + * Delete one character before the cursor and show the subset of the matches + * that match the word that is now before the cursor. + * Returns the character to be used, NUL if the work is done and another char + * to be got from the user. + */ + int +ins_compl_bs(void) +{ + char_u *line; + char_u *p; + + line = ml_get_curline(); + p = line + curwin->w_cursor.col; + MB_PTR_BACK(line, p); + + // Stop completion when the whole word was deleted. For Omni completion + // allow the word to be deleted, we won't match everything. + // Respect the 'backspace' option. + if ((int)(p - line) - (int)compl_col < 0 + || ((int)(p - line) - (int)compl_col == 0 + && ctrl_x_mode != CTRL_X_OMNI) || ctrl_x_mode == CTRL_X_EVAL + || (!can_bs(BS_START) && (int)(p - line) - (int)compl_col + - compl_length < 0)) + return K_BS; + + // Deleted more than what was used to find matches or didn't finish + // finding all matches: need to look for matches all over again. + if (curwin->w_cursor.col <= compl_col + compl_length + || ins_compl_need_restart()) + ins_compl_restart(); + + vim_free(compl_leader); + compl_leader = vim_strnsave(line + compl_col, (int)(p - line) - compl_col); + if (compl_leader != NULL) + { + ins_compl_new_leader(); + if (compl_shown_match != NULL) + // Make sure current match is not a hidden item. + compl_curr_match = compl_shown_match; + return NUL; + } + return K_BS; +} + +/* + * Return TRUE when we need to find matches again, ins_compl_restart() is to + * be called. + */ + static int +ins_compl_need_restart(void) +{ + // Return TRUE if we didn't complete finding matches or when the + // 'completefunc' returned "always" in the "refresh" dictionary item. + return compl_was_interrupted + || ((ctrl_x_mode == CTRL_X_FUNCTION || ctrl_x_mode == CTRL_X_OMNI) + && compl_opt_refresh_always); +} + +/* + * Called after changing "compl_leader". + * Show the popup menu with a different set of matches. + * May also search for matches again if the previous search was interrupted. + */ + static void +ins_compl_new_leader(void) +{ + ins_compl_del_pum(); + ins_compl_delete(); + ins_bytes(compl_leader + ins_compl_len()); + compl_used_match = FALSE; + + if (compl_started) + ins_compl_set_original_text(compl_leader); + else + { +#ifdef FEAT_SPELL + spell_bad_len = 0; // need to redetect bad word +#endif + // Matches were cleared, need to search for them now. Befor drawing + // the popup menu display the changed text before the cursor. Set + // "compl_restarting" to avoid that the first match is inserted. + pum_call_update_screen(); +#ifdef FEAT_GUI + if (gui.in_use) + { + // Show the cursor after the match, not after the redrawn text. + setcursor(); + out_flush_cursor(FALSE, FALSE); + } +#endif + compl_restarting = TRUE; + if (ins_complete(Ctrl_N, TRUE) == FAIL) + compl_cont_status = 0; + compl_restarting = FALSE; + } + + compl_enter_selects = !compl_used_match; + + // Show the popup menu with a different set of matches. + ins_compl_show_pum(); + + // Don't let Enter select the original text when there is no popup menu. + if (compl_match_array == NULL) + compl_enter_selects = FALSE; +} + +/* + * Return the length of the completion, from the completion start column to + * the cursor column. Making sure it never goes below zero. + */ + static int +ins_compl_len(void) +{ + int off = (int)curwin->w_cursor.col - (int)compl_col; + + if (off < 0) + return 0; + return off; +} + +/* + * Append one character to the match leader. May reduce the number of + * matches. + */ + void +ins_compl_addleader(int c) +{ + int cc; + + if (stop_arrow() == FAIL) + return; + if (has_mbyte && (cc = (*mb_char2len)(c)) > 1) + { + char_u buf[MB_MAXBYTES + 1]; + + (*mb_char2bytes)(c, buf); + buf[cc] = NUL; + ins_char_bytes(buf, cc); + if (compl_opt_refresh_always) + AppendToRedobuff(buf); + } + else + { + ins_char(c); + if (compl_opt_refresh_always) + AppendCharToRedobuff(c); + } + + // If we didn't complete finding matches we must search again. + if (ins_compl_need_restart()) + ins_compl_restart(); + + // When 'always' is set, don't reset compl_leader. While completing, + // cursor doesn't point original position, changing compl_leader would + // break redo. + if (!compl_opt_refresh_always) + { + vim_free(compl_leader); + compl_leader = vim_strnsave(ml_get_curline() + compl_col, + (int)(curwin->w_cursor.col - compl_col)); + if (compl_leader != NULL) + ins_compl_new_leader(); + } +} + +/* + * Setup for finding completions again without leaving CTRL-X mode. Used when + * BS or a key was typed while still searching for matches. + */ + static void +ins_compl_restart(void) +{ + ins_compl_free(); + compl_started = FALSE; + compl_matches = 0; + compl_cont_status = 0; + compl_cont_mode = 0; +} + +/* + * Set the first match, the original text. + */ + static void +ins_compl_set_original_text(char_u *str) +{ + char_u *p; + + // Replace the original text entry. + // The 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 & ORIGINAL_TEXT) // safety check + { + p = vim_strsave(str); + if (p != NULL) + { + vim_free(compl_first_match->cp_str); + compl_first_match->cp_str = p; + } + } + else if (compl_first_match->cp_prev != NULL + && (compl_first_match->cp_prev->cp_flags & ORIGINAL_TEXT)) + { + p = vim_strsave(str); + if (p != NULL) + { + vim_free(compl_first_match->cp_prev->cp_str); + compl_first_match->cp_prev->cp_str = p; + } + } +} + +/* + * Append one character to the match leader. May reduce the number of + * matches. + */ + void +ins_compl_addfrommatch(void) +{ + char_u *p; + int len = (int)curwin->w_cursor.col - (int)compl_col; + int c; + compl_T *cp; + + p = compl_shown_match->cp_str; + if ((int)STRLEN(p) <= len) // the match is too short + { + // When still at the original match use the first entry that matches + // the leader. + if (compl_shown_match->cp_flags & ORIGINAL_TEXT) + { + p = NULL; + for (cp = compl_shown_match->cp_next; cp != NULL + && cp != compl_first_match; cp = cp->cp_next) + { + if (compl_leader == NULL + || ins_compl_equal(cp, compl_leader, + (int)STRLEN(compl_leader))) + { + p = cp->cp_str; + break; + } + } + if (p == NULL || (int)STRLEN(p) <= len) + return; + } + else + return; + } + p += len; + c = PTR2CHAR(p); + ins_compl_addleader(c); +} + +/* + * Prepare for Insert mode completion, or stop it. + * Called just after typing a character in Insert mode. + * Returns TRUE when the character is not to be inserted; + */ + int +ins_compl_prep(int c) +{ + char_u *ptr; + int want_cindent; + int retval = FALSE; + + // Forget any previous 'special' messages if this is actually + // a ^X mode key - bar ^R, in which case we wait to see what it gives us. + if (c != Ctrl_R && vim_is_ctrl_x_key(c)) + edit_submode_extra = NULL; + + // Ignore end of Select mode mapping and mouse scroll buttons. + if (c == K_SELECT || c == K_MOUSEDOWN || c == K_MOUSEUP + || c == K_MOUSELEFT || c == K_MOUSERIGHT) + return retval; + + // Set "compl_get_longest" when finding the first matches. + if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET + || (ctrl_x_mode == CTRL_X_NORMAL && !compl_started)) + { + compl_get_longest = (strstr((char *)p_cot, "longest") != NULL); + compl_used_match = TRUE; + + } + + if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET) + { + // We have just typed CTRL-X and aren't quite sure which CTRL-X mode + // it will be yet. Now we decide. + switch (c) + { + case Ctrl_E: + case Ctrl_Y: + ctrl_x_mode = CTRL_X_SCROLL; + if (!(State & REPLACE_FLAG)) + edit_submode = (char_u *)_(" (insert) Scroll (^E/^Y)"); + else + edit_submode = (char_u *)_(" (replace) Scroll (^E/^Y)"); + edit_submode_pre = NULL; + showmode(); + break; + case Ctrl_L: + ctrl_x_mode = CTRL_X_WHOLE_LINE; + break; + case Ctrl_F: + ctrl_x_mode = CTRL_X_FILES; + break; + case Ctrl_K: + ctrl_x_mode = CTRL_X_DICTIONARY; + break; + case Ctrl_R: + // Simply allow ^R to happen without affecting ^X mode + break; + case Ctrl_T: + ctrl_x_mode = CTRL_X_THESAURUS; + break; +#ifdef FEAT_COMPL_FUNC + case Ctrl_U: + ctrl_x_mode = CTRL_X_FUNCTION; + break; + case Ctrl_O: + ctrl_x_mode = CTRL_X_OMNI; + break; +#endif + case 's': + case Ctrl_S: + ctrl_x_mode = CTRL_X_SPELL; +#ifdef FEAT_SPELL + ++emsg_off; // Avoid getting the E756 error twice. + spell_back_to_badword(); + --emsg_off; +#endif + break; + case Ctrl_RSB: + ctrl_x_mode = CTRL_X_TAGS; + break; +#ifdef FEAT_FIND_ID + case Ctrl_I: + case K_S_TAB: + ctrl_x_mode = CTRL_X_PATH_PATTERNS; + break; + case Ctrl_D: + ctrl_x_mode = CTRL_X_PATH_DEFINES; + break; +#endif + case Ctrl_V: + case Ctrl_Q: + ctrl_x_mode = CTRL_X_CMDLINE; + break; + case Ctrl_P: + case Ctrl_N: + // ^X^P means LOCAL expansion if nothing interrupted (eg we + // just started ^X mode, or there were enough ^X's to cancel + // the previous mode, say ^X^F^X^X^P or ^P^X^X^X^P, see below) + // do normal expansion when interrupting a different mode (say + // ^X^F^X^P or ^P^X^X^P, see below) + // nothing changes if interrupting mode 0, (eg, the flag + // doesn't change when going to ADDING mode -- Acevedo + if (!(compl_cont_status & CONT_INTRPT)) + compl_cont_status |= CONT_LOCAL; + else if (compl_cont_mode != 0) + compl_cont_status &= ~CONT_LOCAL; + // FALLTHROUGH + default: + // If we have typed at least 2 ^X's... for modes != 0, we set + // compl_cont_status = 0 (eg, as if we had just started ^X + // mode). + // For mode 0, we set "compl_cont_mode" to an impossible + // value, in both cases ^X^X can be used to restart the same + // mode (avoiding ADDING mode). + // Undocumented feature: In a mode != 0 ^X^P and ^X^X^P start + // 'complete' and local ^P expansions respectively. + // In mode 0 an extra ^X is needed since ^X^P goes to ADDING + // mode -- Acevedo + if (c == Ctrl_X) + { + if (compl_cont_mode != 0) + compl_cont_status = 0; + else + compl_cont_mode = CTRL_X_NOT_DEFINED_YET; + } + ctrl_x_mode = CTRL_X_NORMAL; + edit_submode = NULL; + showmode(); + break; + } + } + else if (ctrl_x_mode != CTRL_X_NORMAL) + { + // We're already in CTRL-X mode, do we stay in it? + if (!vim_is_ctrl_x_key(c)) + { + if (ctrl_x_mode == CTRL_X_SCROLL) + ctrl_x_mode = CTRL_X_NORMAL; + else + ctrl_x_mode = CTRL_X_FINISHED; + edit_submode = NULL; + } + showmode(); + } + + if (compl_started || ctrl_x_mode == CTRL_X_FINISHED) + { + // Show error message from attempted keyword completion (probably + // 'Pattern not found') until another key is hit, then go back to + // showing what mode we are in. + showmode(); + if ((ctrl_x_mode == CTRL_X_NORMAL && c != Ctrl_N && c != Ctrl_P + && c != Ctrl_R && !ins_compl_pum_key(c)) + || ctrl_x_mode == CTRL_X_FINISHED) + { + // Get here when we have finished typing a sequence of ^N and + // ^P or other completion characters in CTRL-X mode. Free up + // memory that was used, and make sure we can redo the insert. + if (compl_curr_match != NULL || compl_leader != NULL || c == Ctrl_E) + { + // If any of the original typed text has been changed, eg when + // ignorecase is set, we must add back-spaces to the redo + // buffer. We add as few as necessary to delete just the part + // of the original text that has changed. + // When using the longest match, edited the match or used + // CTRL-E then don't use the current match. + if (compl_curr_match != NULL && compl_used_match && c != Ctrl_E) + ptr = compl_curr_match->cp_str; + else + ptr = NULL; + ins_compl_fixRedoBufForLeader(ptr); + } + +#ifdef FEAT_CINDENT + want_cindent = (can_cindent_get() && cindent_on()); +#endif + // When completing whole lines: fix indent for 'cindent'. + // Otherwise, break line if it's too long. + if (compl_cont_mode == CTRL_X_WHOLE_LINE) + { +#ifdef FEAT_CINDENT + // re-indent the current line + if (want_cindent) + { + do_c_expr_indent(); + want_cindent = FALSE; // don't do it again + } +#endif + } + else + { + int prev_col = curwin->w_cursor.col; + + // put the cursor on the last char, for 'tw' formatting + if (prev_col > 0) + dec_cursor(); + // only format when something was inserted + if (!arrow_used && !ins_need_undo_get() && c != Ctrl_E) + insertchar(NUL, 0, -1); + if (prev_col > 0 + && ml_get_curline()[curwin->w_cursor.col] != NUL) + inc_cursor(); + } + + // If the popup menu is displayed pressing CTRL-Y means accepting + // the selection without inserting anything. When + // compl_enter_selects is set the Enter key does the same. + if ((c == Ctrl_Y || (compl_enter_selects + && (c == CAR || c == K_KENTER || c == NL))) + && pum_visible()) + retval = TRUE; + + // CTRL-E means completion is Ended, go back to the typed text. + // but only do this, if the Popup is still visible + if (c == Ctrl_E) + { + ins_compl_delete(); + if (compl_leader != NULL) + ins_bytes(compl_leader + ins_compl_len()); + else if (compl_first_match != NULL) + ins_bytes(compl_orig_text + ins_compl_len()); + retval = TRUE; + } + + auto_format(FALSE, TRUE); + + ins_compl_free(); + compl_started = FALSE; + compl_matches = 0; + if (!shortmess(SHM_COMPLETIONMENU)) + msg_clr_cmdline(); // necessary for "noshowmode" + ctrl_x_mode = CTRL_X_NORMAL; + compl_enter_selects = FALSE; + if (edit_submode != NULL) + { + edit_submode = NULL; + showmode(); + } + +#ifdef FEAT_CMDWIN + if (c == Ctrl_C && cmdwin_type != 0) + // Avoid the popup menu remains displayed when leaving the + // command line window. + update_screen(0); +#endif +#ifdef FEAT_CINDENT + // Indent now if a key was typed that is in 'cinkeys'. + if (want_cindent && in_cinkeys(KEY_COMPLETE, ' ', inindent(0))) + do_c_expr_indent(); +#endif + // Trigger the CompleteDone event to give scripts a chance to act + // upon the completion. + ins_apply_autocmds(EVENT_COMPLETEDONE); + } + } + else if (ctrl_x_mode == CTRL_X_LOCAL_MSG) + // Trigger the CompleteDone event to give scripts a chance to act + // upon the (possibly failed) completion. + ins_apply_autocmds(EVENT_COMPLETEDONE); + + // reset continue_* if we left expansion-mode, if we stay they'll be + // (re)set properly in ins_complete() + if (!vim_is_ctrl_x_key(c)) + { + compl_cont_status = 0; + compl_cont_mode = 0; + } + + return retval; +} + +/* + * Fix the redo buffer for the completion leader replacing some of the typed + * text. This inserts backspaces and appends the changed text. + * "ptr" is the known leader text or NUL. + */ + static void +ins_compl_fixRedoBufForLeader(char_u *ptr_arg) +{ + int len; + char_u *p; + char_u *ptr = ptr_arg; + + if (ptr == NULL) + { + if (compl_leader != NULL) + ptr = compl_leader; + else + return; // nothing to do + } + if (compl_orig_text != NULL) + { + p = compl_orig_text; + for (len = 0; p[len] != NUL && p[len] == ptr[len]; ++len) + ; + if (len > 0) + len -= (*mb_head_off)(p, p + len); + for (p += len; *p != NUL; MB_PTR_ADV(p)) + AppendCharToRedobuff(K_BS); + } + else + len = 0; + if (ptr != NULL) + AppendToRedobuffLit(ptr + len, -1); +} + +/* + * Loops through the list of windows, loaded-buffers or non-loaded-buffers + * (depending on flag) starting from buf and looking for a non-scanned + * buffer (other than curbuf). curbuf is special, if it is called with + * buf=curbuf then it has to be the first call for a given flag/expansion. + * + * Returns the buffer to scan, if any, otherwise returns curbuf -- Acevedo + */ + static buf_T * +ins_compl_next_buf(buf_T *buf, int flag) +{ + static win_T *wp = NULL; + + if (flag == 'w') // just windows + { + if (buf == curbuf || wp == NULL) // first call for this flag/expansion + wp = curwin; + while ((wp = (wp->w_next != NULL ? wp->w_next : firstwin)) != curwin + && wp->w_buffer->b_scanned) + ; + buf = wp->w_buffer; + } + else + // 'b' (just loaded buffers), 'u' (just non-loaded buffers) or 'U' + // (unlisted buffers) + // When completing whole lines skip unloaded buffers. + while ((buf = (buf->b_next != NULL ? buf->b_next : firstbuf)) != curbuf + && ((flag == 'U' + ? buf->b_p_bl + : (!buf->b_p_bl + || (buf->b_ml.ml_mfp == NULL) != (flag == 'u'))) + || buf->b_scanned)) + ; + return buf; +} + +#ifdef FEAT_COMPL_FUNC +/* + * Execute user defined complete function 'completefunc' or 'omnifunc', and + * get matches in "matches". + */ + static void +expand_by_function( + int type, // CTRL_X_OMNI or CTRL_X_FUNCTION + char_u *base) +{ + list_T *matchlist = NULL; + dict_T *matchdict = NULL; + typval_T args[3]; + char_u *funcname; + pos_T pos; + win_T *curwin_save; + buf_T *curbuf_save; + typval_T rettv; + int save_State = State; + + funcname = (type == CTRL_X_FUNCTION) ? curbuf->b_p_cfu : curbuf->b_p_ofu; + if (*funcname == NUL) + return; + + // Call 'completefunc' to obtain the list of matches. + args[0].v_type = VAR_NUMBER; + args[0].vval.v_number = 0; + args[1].v_type = VAR_STRING; + args[1].vval.v_string = base != NULL ? base : (char_u *)""; + args[2].v_type = VAR_UNKNOWN; + + pos = curwin->w_cursor; + curwin_save = curwin; + curbuf_save = curbuf; + + // Call a function, which returns a list or dict. + if (call_vim_function(funcname, 2, args, &rettv) == OK) + { + switch (rettv.v_type) + { + case VAR_LIST: + matchlist = rettv.vval.v_list; + break; + case VAR_DICT: + matchdict = rettv.vval.v_dict; + break; + case VAR_SPECIAL: + if (rettv.vval.v_number == VVAL_NONE) + compl_opt_suppress_empty = TRUE; + // FALLTHROUGH + default: + // TODO: Give error message? + clear_tv(&rettv); + break; + } + } + + if (curwin_save != curwin || curbuf_save != curbuf) + { + emsg(_(e_complwin)); + goto theend; + } + curwin->w_cursor = pos; // restore the cursor position + validate_cursor(); + if (!EQUAL_POS(curwin->w_cursor, pos)) + { + emsg(_(e_compldel)); + goto theend; + } + + if (matchlist != NULL) + ins_compl_add_list(matchlist); + else if (matchdict != NULL) + ins_compl_add_dict(matchdict); + +theend: + // Restore State, it might have been changed. + State = save_State; + + if (matchdict != NULL) + dict_unref(matchdict); + if (matchlist != NULL) + list_unref(matchlist); +} +#endif // FEAT_COMPL_FUNC + +#if defined(FEAT_COMPL_FUNC) || defined(FEAT_EVAL) || defined(PROTO) +/* + * Add completions from a list. + */ + static void +ins_compl_add_list(list_T *list) +{ + listitem_T *li; + int dir = compl_direction; + + // Go through the List with matches and add each of them. + for (li = list->lv_first; li != NULL; li = li->li_next) + { + if (ins_compl_add_tv(&li->li_tv, dir) == OK) + // if dir was BACKWARD then honor it just once + dir = FORWARD; + else if (did_emsg) + break; + } +} + +/* + * Add completions from a dict. + */ + static void +ins_compl_add_dict(dict_T *dict) +{ + dictitem_T *di_refresh; + dictitem_T *di_words; + + // Check for optional "refresh" item. + compl_opt_refresh_always = FALSE; + di_refresh = dict_find(dict, (char_u *)"refresh", 7); + if (di_refresh != NULL && di_refresh->di_tv.v_type == VAR_STRING) + { + char_u *v = di_refresh->di_tv.vval.v_string; + + if (v != NULL && STRCMP(v, (char_u *)"always") == 0) + compl_opt_refresh_always = TRUE; + } + + // Add completions from a "words" list. + di_words = dict_find(dict, (char_u *)"words", 5); + if (di_words != NULL && di_words->di_tv.v_type == VAR_LIST) + ins_compl_add_list(di_words->di_tv.vval.v_list); +} + +/* + * Add a match to the list of matches from a typeval_T. + * If the given string is already in the list of completions, then return + * NOTDONE, otherwise add it to the list and return OK. If there is an error, + * maybe because alloc() returns NULL, then FAIL is returned. + */ + int +ins_compl_add_tv(typval_T *tv, int dir) +{ + char_u *word; + int icase = FALSE; + int adup = FALSE; + int aempty = FALSE; + char_u *(cptext[CPT_COUNT]); + + if (tv->v_type == VAR_DICT && tv->vval.v_dict != NULL) + { + word = dict_get_string(tv->vval.v_dict, (char_u *)"word", FALSE); + cptext[CPT_ABBR] = dict_get_string(tv->vval.v_dict, + (char_u *)"abbr", FALSE); + cptext[CPT_MENU] = dict_get_string(tv->vval.v_dict, + (char_u *)"menu", FALSE); + cptext[CPT_KIND] = dict_get_string(tv->vval.v_dict, + (char_u *)"kind", FALSE); + cptext[CPT_INFO] = dict_get_string(tv->vval.v_dict, + (char_u *)"info", FALSE); + cptext[CPT_USER_DATA] = dict_get_string(tv->vval.v_dict, + (char_u *)"user_data", FALSE); + if (dict_get_string(tv->vval.v_dict, (char_u *)"icase", FALSE) != NULL) + icase = dict_get_number(tv->vval.v_dict, (char_u *)"icase"); + if (dict_get_string(tv->vval.v_dict, (char_u *)"dup", FALSE) != NULL) + adup = dict_get_number(tv->vval.v_dict, (char_u *)"dup"); + if (dict_get_string(tv->vval.v_dict, (char_u *)"empty", FALSE) != NULL) + aempty = dict_get_number(tv->vval.v_dict, (char_u *)"empty"); + } + else + { + word = tv_get_string_chk(tv); + vim_memset(cptext, 0, sizeof(cptext)); + } + if (word == NULL || (!aempty && *word == NUL)) + return FAIL; + return ins_compl_add(word, -1, icase, NULL, cptext, dir, 0, adup); +} +#endif + +/* + * Get the next expansion(s), using "compl_pattern". + * The search starts at position "ini" in curbuf and in the direction + * compl_direction. + * When "compl_started" is FALSE start at that position, otherwise continue + * where we stopped searching before. + * This may return before finding all the matches. + * Return the total number of matches or -1 if still unknown -- Acevedo + */ + static int +ins_compl_get_exp(pos_T *ini) +{ + static pos_T first_match_pos; + static pos_T last_match_pos; + static char_u *e_cpt = (char_u *)""; // curr. entry in 'complete' + static int found_all = FALSE; // Found all matches of a + // certain type. + static buf_T *ins_buf = NULL; // buffer being scanned + + pos_T *pos; + char_u **matches; + int save_p_scs; + int save_p_ws; + int save_p_ic; + int i; + int num_matches; + int len; + int found_new_match; + int type = ctrl_x_mode; + char_u *ptr; + char_u *dict = NULL; + int dict_f = 0; + int set_match_pos; + + if (!compl_started) + { + FOR_ALL_BUFFERS(ins_buf) + ins_buf->b_scanned = 0; + found_all = FALSE; + ins_buf = curbuf; + e_cpt = (compl_cont_status & CONT_LOCAL) + ? (char_u *)"." : curbuf->b_p_cpt; + last_match_pos = first_match_pos = *ini; + } + else if (ins_buf != curbuf && !buf_valid(ins_buf)) + ins_buf = curbuf; // In case the buffer was wiped out. + + compl_old_match = compl_curr_match; // remember the last current match + pos = (compl_direction == FORWARD) ? &last_match_pos : &first_match_pos; + + // For ^N/^P loop over all the flags/windows/buffers in 'complete'. + for (;;) + { + found_new_match = FAIL; + set_match_pos = FALSE; + + // For ^N/^P pick a new entry from e_cpt if compl_started is off, + // or if found_all says this entry is done. For ^X^L only use the + // entries from 'complete' that look in loaded buffers. + if ((ctrl_x_mode == CTRL_X_NORMAL + || ctrl_x_mode_line_or_eval()) + && (!compl_started || found_all)) + { + found_all = FALSE; + while (*e_cpt == ',' || *e_cpt == ' ') + e_cpt++; + if (*e_cpt == '.' && !curbuf->b_scanned) + { + ins_buf = curbuf; + first_match_pos = *ini; + // Move the cursor back one character so that ^N can match the + // word immediately after the cursor. + if (ctrl_x_mode == CTRL_X_NORMAL && dec(&first_match_pos) < 0) + { + // Move the cursor to after the last character in the + // buffer, so that word at start of buffer is found + // correctly. + first_match_pos.lnum = ins_buf->b_ml.ml_line_count; + first_match_pos.col = + (colnr_T)STRLEN(ml_get(first_match_pos.lnum)); + } + last_match_pos = first_match_pos; + type = 0; + + // Remember the first match so that the loop stops when we + // wrap and come back there a second time. + set_match_pos = TRUE; + } + else if (vim_strchr((char_u *)"buwU", *e_cpt) != NULL + && (ins_buf = ins_compl_next_buf(ins_buf, *e_cpt)) != curbuf) + { + // Scan a buffer, but not the current one. + if (ins_buf->b_ml.ml_mfp != NULL) // loaded buffer + { + compl_started = TRUE; + first_match_pos.col = last_match_pos.col = 0; + first_match_pos.lnum = ins_buf->b_ml.ml_line_count + 1; + last_match_pos.lnum = 0; + type = 0; + } + else // unloaded buffer, scan like dictionary + { + found_all = TRUE; + if (ins_buf->b_fname == NULL) + continue; + type = CTRL_X_DICTIONARY; + dict = ins_buf->b_fname; + dict_f = DICT_EXACT; + } + vim_snprintf((char *)IObuff, IOSIZE, _("Scanning: %s"), + ins_buf->b_fname == NULL + ? buf_spname(ins_buf) + : ins_buf->b_sfname == NULL + ? ins_buf->b_fname + : ins_buf->b_sfname); + (void)msg_trunc_attr((char *)IObuff, TRUE, HL_ATTR(HLF_R)); + } + else if (*e_cpt == NUL) + break; + else + { + if (ctrl_x_mode_line_or_eval()) + type = -1; + else if (*e_cpt == 'k' || *e_cpt == 's') + { + if (*e_cpt == 'k') + type = CTRL_X_DICTIONARY; + else + type = CTRL_X_THESAURUS; + if (*++e_cpt != ',' && *e_cpt != NUL) + { + dict = e_cpt; + dict_f = DICT_FIRST; + } + } +#ifdef FEAT_FIND_ID + else if (*e_cpt == 'i') + type = CTRL_X_PATH_PATTERNS; + else if (*e_cpt == 'd') + type = CTRL_X_PATH_DEFINES; +#endif + else if (*e_cpt == ']' || *e_cpt == 't') + { + type = CTRL_X_TAGS; + vim_snprintf((char *)IObuff, IOSIZE, _("Scanning tags.")); + (void)msg_trunc_attr((char *)IObuff, TRUE, HL_ATTR(HLF_R)); + } + else + type = -1; + + // in any case e_cpt is advanced to the next entry + (void)copy_option_part(&e_cpt, IObuff, IOSIZE, ","); + + found_all = TRUE; + if (type == -1) + continue; + } + } + + // If complete() was called then compl_pattern has been reset. The + // following won't work then, bail out. + if (compl_pattern == NULL) + break; + + switch (type) + { + case -1: + break; +#ifdef FEAT_FIND_ID + case CTRL_X_PATH_PATTERNS: + case CTRL_X_PATH_DEFINES: + find_pattern_in_path(compl_pattern, compl_direction, + (int)STRLEN(compl_pattern), FALSE, FALSE, + (type == CTRL_X_PATH_DEFINES + && !(compl_cont_status & CONT_SOL)) + ? FIND_DEFINE : FIND_ANY, 1L, ACTION_EXPAND, + (linenr_T)1, (linenr_T)MAXLNUM); + break; +#endif + + case CTRL_X_DICTIONARY: + case CTRL_X_THESAURUS: + ins_compl_dictionaries( + dict != NULL ? dict + : (type == CTRL_X_THESAURUS + ? (*curbuf->b_p_tsr == NUL + ? p_tsr + : curbuf->b_p_tsr) + : (*curbuf->b_p_dict == NUL + ? p_dict + : curbuf->b_p_dict)), + compl_pattern, + dict != NULL ? dict_f + : 0, type == CTRL_X_THESAURUS); + dict = NULL; + break; + + case CTRL_X_TAGS: + // set p_ic according to p_ic, p_scs and pat for find_tags(). + save_p_ic = p_ic; + p_ic = ignorecase(compl_pattern); + + // Find up to TAG_MANY matches. Avoids that an enormous number + // of matches is found when compl_pattern is empty + if (find_tags(compl_pattern, &num_matches, &matches, + TAG_REGEXP | TAG_NAMES | TAG_NOIC | TAG_INS_COMP + | (ctrl_x_mode != CTRL_X_NORMAL ? TAG_VERBOSE : 0), + TAG_MANY, curbuf->b_ffname) == OK && num_matches > 0) + { + ins_compl_add_matches(num_matches, matches, p_ic); + } + p_ic = save_p_ic; + break; + + case CTRL_X_FILES: + if (expand_wildcards(1, &compl_pattern, &num_matches, &matches, + EW_FILE|EW_DIR|EW_ADDSLASH|EW_SILENT) == OK) + { + + // May change home directory back to "~". + tilde_replace(compl_pattern, num_matches, matches); + ins_compl_add_matches(num_matches, matches, p_fic || p_wic); + } + break; + + case CTRL_X_CMDLINE: + if (expand_cmdline(&compl_xp, compl_pattern, + (int)STRLEN(compl_pattern), + &num_matches, &matches) == EXPAND_OK) + ins_compl_add_matches(num_matches, matches, FALSE); + break; + +#ifdef FEAT_COMPL_FUNC + case CTRL_X_FUNCTION: + case CTRL_X_OMNI: + expand_by_function(type, compl_pattern); + break; +#endif + + case CTRL_X_SPELL: +#ifdef FEAT_SPELL + num_matches = expand_spelling(first_match_pos.lnum, + compl_pattern, &matches); + if (num_matches > 0) + ins_compl_add_matches(num_matches, matches, p_ic); +#endif + break; + + default: // normal ^P/^N and ^X^L + // If 'infercase' is set, don't use 'smartcase' here + save_p_scs = p_scs; + if (ins_buf->b_p_inf) + p_scs = FALSE; + + // Buffers other than curbuf are scanned from the beginning or the + // end but never from the middle, thus setting nowrapscan in this + // buffers is a good idea, on the other hand, we always set + // wrapscan for curbuf to avoid missing matches -- Acevedo,Webb + save_p_ws = p_ws; + if (ins_buf != curbuf) + p_ws = FALSE; + else if (*e_cpt == '.') + p_ws = TRUE; + for (;;) + { + int flags = 0; + + ++msg_silent; // Don't want messages for wrapscan. + + // ctrl_x_mode_line_or_eval() || word-wise search that + // has added a word that was at the beginning of the line + if (ctrl_x_mode_line_or_eval() + || (compl_cont_status & CONT_SOL)) + found_new_match = search_for_exact_line(ins_buf, pos, + compl_direction, compl_pattern); + else + found_new_match = searchit(NULL, ins_buf, pos, NULL, + compl_direction, + compl_pattern, 1L, SEARCH_KEEP + SEARCH_NFMSG, + RE_LAST, (linenr_T)0, NULL, NULL); + --msg_silent; + if (!compl_started || set_match_pos) + { + // set "compl_started" even on fail + compl_started = TRUE; + first_match_pos = *pos; + last_match_pos = *pos; + set_match_pos = FALSE; + } + else if (first_match_pos.lnum == last_match_pos.lnum + && first_match_pos.col == last_match_pos.col) + found_new_match = FAIL; + if (found_new_match == FAIL) + { + if (ins_buf == curbuf) + found_all = TRUE; + break; + } + + // when ADDING, the text before the cursor matches, skip it + if ( (compl_cont_status & CONT_ADDING) && ins_buf == curbuf + && ini->lnum == pos->lnum + && ini->col == pos->col) + continue; + ptr = ml_get_buf(ins_buf, pos->lnum, FALSE) + pos->col; + if (ctrl_x_mode_line_or_eval()) + { + if (compl_cont_status & CONT_ADDING) + { + if (pos->lnum >= ins_buf->b_ml.ml_line_count) + continue; + ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE); + if (!p_paste) + ptr = skipwhite(ptr); + } + len = (int)STRLEN(ptr); + } + else + { + char_u *tmp_ptr = ptr; + + if (compl_cont_status & CONT_ADDING) + { + tmp_ptr += compl_length; + // Skip if already inside a word. + if (vim_iswordp(tmp_ptr)) + continue; + // Find start of next word. + tmp_ptr = find_word_start(tmp_ptr); + } + // Find end of this word. + tmp_ptr = find_word_end(tmp_ptr); + len = (int)(tmp_ptr - ptr); + + if ((compl_cont_status & CONT_ADDING) + && len == compl_length) + { + if (pos->lnum < ins_buf->b_ml.ml_line_count) + { + // Try next line, if any. the new word will be + // "join" as if the normal command "J" was used. + // IOSIZE is always greater than + // compl_length, so the next STRNCPY always + // works -- Acevedo + STRNCPY(IObuff, ptr, len); + ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE); + tmp_ptr = ptr = skipwhite(ptr); + // Find start of next word. + tmp_ptr = find_word_start(tmp_ptr); + // Find end of next word. + tmp_ptr = find_word_end(tmp_ptr); + if (tmp_ptr > ptr) + { + if (*ptr != ')' && IObuff[len - 1] != TAB) + { + if (IObuff[len - 1] != ' ') + IObuff[len++] = ' '; + // IObuf =~ "\k.* ", thus len >= 2 + if (p_js + && (IObuff[len - 2] == '.' + || (vim_strchr(p_cpo, CPO_JOINSP) + == NULL + && (IObuff[len - 2] == '?' + || IObuff[len - 2] == '!')))) + IObuff[len++] = ' '; + } + // copy as much as possible of the new word + if (tmp_ptr - ptr >= IOSIZE - len) + tmp_ptr = ptr + IOSIZE - len - 1; + STRNCPY(IObuff + len, ptr, tmp_ptr - ptr); + len += (int)(tmp_ptr - ptr); + flags |= CONT_S_IPOS; + } + IObuff[len] = NUL; + ptr = IObuff; + } + if (len == compl_length) + continue; + } + } + if (ins_compl_add_infercase(ptr, len, p_ic, + ins_buf == curbuf ? NULL : ins_buf->b_sfname, + 0, flags) != NOTDONE) + { + found_new_match = OK; + break; + } + } + p_scs = save_p_scs; + p_ws = save_p_ws; + } + + // check if compl_curr_match has changed, (e.g. other type of + // expansion added something) + if (type != 0 && compl_curr_match != compl_old_match) + found_new_match = OK; + + // break the loop for specialized modes (use 'complete' just for the + // generic ctrl_x_mode == CTRL_X_NORMAL) or when we've found a new + // match + if ((ctrl_x_mode != CTRL_X_NORMAL + && !ctrl_x_mode_line_or_eval()) || found_new_match != FAIL) + { + if (got_int) + break; + // Fill the popup menu as soon as possible. + if (type != -1) + ins_compl_check_keys(0, FALSE); + + if ((ctrl_x_mode != CTRL_X_NORMAL + && !ctrl_x_mode_line_or_eval()) || compl_interrupted) + break; + compl_started = TRUE; + } + else + { + // Mark a buffer scanned when it has been scanned completely + if (type == 0 || type == CTRL_X_PATH_PATTERNS) + ins_buf->b_scanned = TRUE; + + compl_started = FALSE; + } + } + compl_started = TRUE; + + if ((ctrl_x_mode == CTRL_X_NORMAL || ctrl_x_mode_line_or_eval()) + && *e_cpt == NUL) // Got to end of 'complete' + found_new_match = FAIL; + + i = -1; // total of matches, unknown + if (found_new_match == FAIL || (ctrl_x_mode != CTRL_X_NORMAL + && !ctrl_x_mode_line_or_eval())) + i = ins_compl_make_cyclic(); + + if (compl_old_match != NULL) + { + // If several matches were added (FORWARD) or the search failed and has + // just been made cyclic then we have to move compl_curr_match to the + // next or previous entry (if any) -- Acevedo + compl_curr_match = compl_direction == FORWARD ? compl_old_match->cp_next + : compl_old_match->cp_prev; + if (compl_curr_match == NULL) + compl_curr_match = compl_old_match; + } + return i; +} + +/* + * Delete the old text being completed. + */ + void +ins_compl_delete(void) +{ + int col; + + // In insert mode: Delete the typed part. + // In replace mode: Put the old characters back, if any. + col = compl_col + (compl_cont_status & CONT_ADDING ? compl_length : 0); + if ((int)curwin->w_cursor.col > col) + { + if (stop_arrow() == FAIL) + return; + backspace_until_column(col); + } + + // TODO: is this sufficient for redrawing? Redrawing everything causes + // flicker, thus we can't do that. + changed_cline_bef_curs(); + // clear v:completed_item + set_vim_var_dict(VV_COMPLETED_ITEM, dict_alloc_lock(VAR_FIXED)); +} + +/* + * Insert the new text being completed. + * "in_compl_func" is TRUE when called from complete_check(). + */ + void +ins_compl_insert(int in_compl_func) +{ + dict_T *dict; + + ins_bytes(compl_shown_match->cp_str + ins_compl_len()); + if (compl_shown_match->cp_flags & ORIGINAL_TEXT) + compl_used_match = FALSE; + else + compl_used_match = TRUE; + + // Set completed item. + // { word, abbr, menu, kind, info } + dict = dict_alloc_lock(VAR_FIXED); + if (dict != NULL) + { + dict_add_string(dict, "word", compl_shown_match->cp_str); + dict_add_string(dict, "abbr", compl_shown_match->cp_text[CPT_ABBR]); + dict_add_string(dict, "menu", compl_shown_match->cp_text[CPT_MENU]); + dict_add_string(dict, "kind", compl_shown_match->cp_text[CPT_KIND]); + dict_add_string(dict, "info", compl_shown_match->cp_text[CPT_INFO]); + dict_add_string(dict, "user_data", + compl_shown_match->cp_text[CPT_USER_DATA]); + } + set_vim_var_dict(VV_COMPLETED_ITEM, dict); + if (!in_compl_func) + compl_curr_match = compl_shown_match; +} + +/* + * Fill in the next completion in the current direction. + * If "allow_get_expansion" is TRUE, then we may call ins_compl_get_exp() to + * get more completions. If it is FALSE, then we just do nothing when there + * are no more completions in a given direction. The latter case is used when + * we are still in the middle of finding completions, to allow browsing + * through the ones found so far. + * Return the total number of matches, or -1 if still unknown -- webb. + * + * compl_curr_match is currently being used by ins_compl_get_exp(), so we use + * compl_shown_match here. + * + * Note that this function may be called recursively once only. First with + * "allow_get_expansion" TRUE, which calls ins_compl_get_exp(), which in turn + * calls this function with "allow_get_expansion" FALSE. + */ + static int +ins_compl_next( + int allow_get_expansion, + int count, // repeat completion this many times; should + // be at least 1 + int insert_match, // Insert the newly selected match + int in_compl_func) // called from complete_check() +{ + int num_matches = -1; + int todo = count; + compl_T *found_compl = NULL; + int found_end = FALSE; + int advance; + int started = compl_started; + + // When user complete function return -1 for findstart which is next + // time of 'always', compl_shown_match become NULL. + if (compl_shown_match == NULL) + return -1; + + if (compl_leader != NULL + && (compl_shown_match->cp_flags & ORIGINAL_TEXT) == 0) + { + // Set "compl_shown_match" to the actually shown match, it may differ + // when "compl_leader" is used to omit some of the matches. + while (!ins_compl_equal(compl_shown_match, + compl_leader, (int)STRLEN(compl_leader)) + && compl_shown_match->cp_next != NULL + && compl_shown_match->cp_next != compl_first_match) + compl_shown_match = compl_shown_match->cp_next; + + // If we didn't find it searching forward, and compl_shows_dir is + // backward, find the last match. + if (compl_shows_dir == BACKWARD + && !ins_compl_equal(compl_shown_match, + compl_leader, (int)STRLEN(compl_leader)) + && (compl_shown_match->cp_next == NULL + || compl_shown_match->cp_next == compl_first_match)) + { + while (!ins_compl_equal(compl_shown_match, + compl_leader, (int)STRLEN(compl_leader)) + && compl_shown_match->cp_prev != NULL + && compl_shown_match->cp_prev != compl_first_match) + compl_shown_match = compl_shown_match->cp_prev; + } + } + + if (allow_get_expansion && insert_match + && (!(compl_get_longest || compl_restarting) || compl_used_match)) + // Delete old text to be replaced + ins_compl_delete(); + + // When finding the longest common text we stick at the original text, + // don't let CTRL-N or CTRL-P move to the first match. + advance = count != 1 || !allow_get_expansion || !compl_get_longest; + + // When restarting the search don't insert the first match either. + if (compl_restarting) + { + advance = FALSE; + compl_restarting = FALSE; + } + + // Repeat this for when <PageUp> or <PageDown> is typed. But don't wrap + // around. + while (--todo >= 0) + { + if (compl_shows_dir == FORWARD && compl_shown_match->cp_next != NULL) + { + compl_shown_match = compl_shown_match->cp_next; + found_end = (compl_first_match != NULL + && (compl_shown_match->cp_next == compl_first_match + || compl_shown_match == compl_first_match)); + } + else if (compl_shows_dir == BACKWARD + && compl_shown_match->cp_prev != NULL) + { + found_end = (compl_shown_match == compl_first_match); + compl_shown_match = compl_shown_match->cp_prev; + found_end |= (compl_shown_match == compl_first_match); + } + else + { + if (!allow_get_expansion) + { + if (advance) + { + if (compl_shows_dir == BACKWARD) + compl_pending -= todo + 1; + else + compl_pending += todo + 1; + } + return -1; + } + + if (!compl_no_select && advance) + { + if (compl_shows_dir == BACKWARD) + --compl_pending; + else + ++compl_pending; + } + + // Find matches. + num_matches = ins_compl_get_exp(&compl_startpos); + + // handle any pending completions + while (compl_pending != 0 && compl_direction == compl_shows_dir + && advance) + { + if (compl_pending > 0 && compl_shown_match->cp_next != NULL) + { + compl_shown_match = compl_shown_match->cp_next; + --compl_pending; + } + if (compl_pending < 0 && compl_shown_match->cp_prev != NULL) + { + compl_shown_match = compl_shown_match->cp_prev; + ++compl_pending; + } + else + break; + } + found_end = FALSE; + } + if ((compl_shown_match->cp_flags & ORIGINAL_TEXT) == 0 + && compl_leader != NULL + && !ins_compl_equal(compl_shown_match, + compl_leader, (int)STRLEN(compl_leader))) + ++todo; + else + // Remember a matching item. + found_compl = compl_shown_match; + + // Stop at the end of the list when we found a usable match. + if (found_end) + { + if (found_compl != NULL) + { + compl_shown_match = found_compl; + break; + } + todo = 1; // use first usable match after wrapping around + } + } + + // Insert the text of the new completion, or the compl_leader. + if (compl_no_insert && !started) + { + ins_bytes(compl_orig_text + ins_compl_len()); + compl_used_match = FALSE; + } + else if (insert_match) + { + if (!compl_get_longest || compl_used_match) + ins_compl_insert(in_compl_func); + else + ins_bytes(compl_leader + ins_compl_len()); + } + else + compl_used_match = FALSE; + + if (!allow_get_expansion) + { + // may undisplay the popup menu first + ins_compl_upd_pum(); + + if (pum_enough_matches()) + // Will display the popup menu, don't redraw yet to avoid flicker. + pum_call_update_screen(); + else + // Not showing the popup menu yet, redraw to show the user what was + // inserted. + update_screen(0); + + // display the updated popup menu + ins_compl_show_pum(); +#ifdef FEAT_GUI + if (gui.in_use) + { + // Show the cursor after the match, not after the redrawn text. + setcursor(); + out_flush_cursor(FALSE, FALSE); + } +#endif + + // Delete old text to be replaced, since we're still searching and + // don't want to match ourselves! + ins_compl_delete(); + } + + // Enter will select a match when the match wasn't inserted and the popup + // menu is visible. + if (compl_no_insert && !started) + compl_enter_selects = TRUE; + else + compl_enter_selects = !insert_match && compl_match_array != NULL; + + // Show the file name for the match (if any) + // Truncate the file name to avoid a wait for return. + if (compl_shown_match->cp_fname != NULL) + { + char *lead = _("match in file"); + int space = sc_col - vim_strsize((char_u *)lead) - 2; + char_u *s; + char_u *e; + + if (space > 0) + { + // We need the tail that fits. With double-byte encoding going + // back from the end is very slow, thus go from the start and keep + // the text that fits in "space" between "s" and "e". + for (s = e = compl_shown_match->cp_fname; *e != NUL; MB_PTR_ADV(e)) + { + space -= ptr2cells(e); + while (space < 0) + { + space += ptr2cells(s); + MB_PTR_ADV(s); + } + } + vim_snprintf((char *)IObuff, IOSIZE, "%s %s%s", lead, + s > compl_shown_match->cp_fname ? "<" : "", s); + msg((char *)IObuff); + redraw_cmdline = FALSE; // don't overwrite! + } + } + + return num_matches; +} + +/* + * Call this while finding completions, to check whether the user has hit a key + * that should change the currently displayed completion, or exit completion + * mode. Also, when compl_pending is not zero, show a completion as soon as + * possible. -- webb + * "frequency" specifies out of how many calls we actually check. + * "in_compl_func" is TRUE when called from complete_check(), don't set + * compl_curr_match. + */ + void +ins_compl_check_keys(int frequency, int in_compl_func) +{ + static int count = 0; + int c; + + // Don't check when reading keys from a script, :normal or feedkeys(). + // That would break the test scripts. But do check for keys when called + // from complete_check(). + if (!in_compl_func && (using_script() || ex_normal_busy)) + return; + + // Only do this at regular intervals + if (++count < frequency) + return; + count = 0; + + // Check for a typed key. Do use mappings, otherwise vim_is_ctrl_x_key() + // can't do its work correctly. + c = vpeekc_any(); + if (c != NUL) + { + if (vim_is_ctrl_x_key(c) && c != Ctrl_X && c != Ctrl_R) + { + c = safe_vgetc(); // Eat the character + compl_shows_dir = ins_compl_key2dir(c); + (void)ins_compl_next(FALSE, ins_compl_key2count(c), + c != K_UP && c != K_DOWN, in_compl_func); + } + else + { + // Need to get the character to have KeyTyped set. We'll put it + // back with vungetc() below. But skip K_IGNORE. + c = safe_vgetc(); + if (c != K_IGNORE) + { + // Don't interrupt completion when the character wasn't typed, + // e.g., when doing @q to replay keys. + if (c != Ctrl_R && KeyTyped) + compl_interrupted = TRUE; + + vungetc(c); + } + } + } + if (compl_pending != 0 && !got_int && !compl_no_insert) + { + int todo = compl_pending > 0 ? compl_pending : -compl_pending; + + compl_pending = 0; + (void)ins_compl_next(FALSE, todo, TRUE, in_compl_func); + } +} + +/* + * Decide the direction of Insert mode complete from the key typed. + * Returns BACKWARD or FORWARD. + */ + static int +ins_compl_key2dir(int c) +{ + if (c == Ctrl_P || c == Ctrl_L + || c == K_PAGEUP || c == K_KPAGEUP || c == K_S_UP || c == K_UP) + return BACKWARD; + return FORWARD; +} + +/* + * Return TRUE for keys that are used for completion only when the popup menu + * is visible. + */ + static int +ins_compl_pum_key(int c) +{ + return pum_visible() && (c == K_PAGEUP || c == K_KPAGEUP || c == K_S_UP + || c == K_PAGEDOWN || c == K_KPAGEDOWN || c == K_S_DOWN + || c == K_UP || c == K_DOWN); +} + +/* + * Decide the number of completions to move forward. + * Returns 1 for most keys, height of the popup menu for page-up/down keys. + */ + static int +ins_compl_key2count(int c) +{ + int h; + + if (ins_compl_pum_key(c) && c != K_UP && c != K_DOWN) + { + h = pum_get_height(); + if (h > 3) + h -= 2; // keep some context + return h; + } + return 1; +} + +/* + * Return TRUE if completion with "c" should insert the match, FALSE if only + * to change the currently selected completion. + */ + static int +ins_compl_use_match(int c) +{ + switch (c) + { + case K_UP: + case K_DOWN: + case K_PAGEDOWN: + case K_KPAGEDOWN: + case K_S_DOWN: + case K_PAGEUP: + case K_KPAGEUP: + case K_S_UP: + return FALSE; + } + return TRUE; +} + +/* + * Do Insert mode completion. + * Called when character "c" was typed, which has a meaning for completion. + * Returns OK if completion was done, FAIL if something failed (out of mem). + */ + int +ins_complete(int c, int enable_pum) +{ + char_u *line; + int startcol = 0; // column where searched text starts + colnr_T curs_col; // cursor column + int n; + int save_w_wrow; + int save_w_leftcol; + int insert_match; + int save_did_ai = did_ai; + + compl_direction = ins_compl_key2dir(c); + insert_match = ins_compl_use_match(c); + + if (!compl_started) + { + // First time we hit ^N or ^P (in a row, I mean) + + did_ai = FALSE; +#ifdef FEAT_SMARTINDENT + did_si = FALSE; + can_si = FALSE; + can_si_back = FALSE; +#endif + if (stop_arrow() == FAIL) + return FAIL; + + line = ml_get(curwin->w_cursor.lnum); + curs_col = curwin->w_cursor.col; + compl_pending = 0; + + // If this same ctrl_x_mode has been interrupted use the text from + // "compl_startpos" to the cursor as a pattern to add a new word + // instead of expand the one before the cursor, in word-wise if + // "compl_startpos" is not in the same line as the cursor then fix it + // (the line has been split because it was longer than 'tw'). if SOL + // is set then skip the previous pattern, a word at the beginning of + // the line has been inserted, we'll look for that -- Acevedo. + if ((compl_cont_status & CONT_INTRPT) == CONT_INTRPT + && compl_cont_mode == ctrl_x_mode) + { + // it is a continued search + compl_cont_status &= ~CONT_INTRPT; // remove INTRPT + if (ctrl_x_mode == CTRL_X_NORMAL + || ctrl_x_mode == CTRL_X_PATH_PATTERNS + || ctrl_x_mode == CTRL_X_PATH_DEFINES) + { + if (compl_startpos.lnum != curwin->w_cursor.lnum) + { + // line (probably) wrapped, set compl_startpos to the + // first non_blank in the line, if it is not a wordchar + // include it to get a better pattern, but then we don't + // want the "\\<" prefix, check it bellow + compl_col = (colnr_T)getwhitecols(line); + compl_startpos.col = compl_col; + compl_startpos.lnum = curwin->w_cursor.lnum; + compl_cont_status &= ~CONT_SOL; // clear SOL if present + } + else + { + // S_IPOS was set when we inserted a word that was at the + // beginning of the line, which means that we'll go to SOL + // mode but first we need to redefine compl_startpos + if (compl_cont_status & CONT_S_IPOS) + { + compl_cont_status |= CONT_SOL; + compl_startpos.col = (colnr_T)(skipwhite( + line + compl_length + + compl_startpos.col) - line); + } + compl_col = compl_startpos.col; + } + compl_length = curwin->w_cursor.col - (int)compl_col; + // IObuff is used to add a "word from the next line" would we + // have enough space? just being paranoid +#define MIN_SPACE 75 + if (compl_length > (IOSIZE - MIN_SPACE)) + { + compl_cont_status &= ~CONT_SOL; + compl_length = (IOSIZE - MIN_SPACE); + compl_col = curwin->w_cursor.col - compl_length; + } + compl_cont_status |= CONT_ADDING | CONT_N_ADDS; + if (compl_length < 1) + compl_cont_status &= CONT_LOCAL; + } + else if (ctrl_x_mode_line_or_eval()) + compl_cont_status = CONT_ADDING | CONT_N_ADDS; + else + compl_cont_status = 0; + } + else + compl_cont_status &= CONT_LOCAL; + + if (!(compl_cont_status & CONT_ADDING)) // normal expansion + { + compl_cont_mode = ctrl_x_mode; + if (ctrl_x_mode != CTRL_X_NORMAL) + // Remove LOCAL if ctrl_x_mode != CTRL_X_NORMAL + compl_cont_status = 0; + compl_cont_status |= CONT_N_ADDS; + compl_startpos = curwin->w_cursor; + startcol = (int)curs_col; + compl_col = 0; + } + + // Work out completion pattern and original text -- webb + if (ctrl_x_mode == CTRL_X_NORMAL || (ctrl_x_mode & CTRL_X_WANT_IDENT)) + { + if ((compl_cont_status & CONT_SOL) + || ctrl_x_mode == CTRL_X_PATH_DEFINES) + { + if (!(compl_cont_status & CONT_ADDING)) + { + while (--startcol >= 0 && vim_isIDc(line[startcol])) + ; + compl_col += ++startcol; + compl_length = curs_col - startcol; + } + if (p_ic) + compl_pattern = str_foldcase(line + compl_col, + compl_length, NULL, 0); + else + compl_pattern = vim_strnsave(line + compl_col, + compl_length); + if (compl_pattern == NULL) + return FAIL; + } + else if (compl_cont_status & CONT_ADDING) + { + char_u *prefix = (char_u *)"\\<"; + + // we need up to 2 extra chars for the prefix + compl_pattern = alloc(quote_meta(NULL, line + compl_col, + compl_length) + 2); + if (compl_pattern == NULL) + return FAIL; + if (!vim_iswordp(line + compl_col) + || (compl_col > 0 + && (vim_iswordp(mb_prevptr(line, line + compl_col))))) + prefix = (char_u *)""; + STRCPY((char *)compl_pattern, prefix); + (void)quote_meta(compl_pattern + STRLEN(prefix), + line + compl_col, compl_length); + } + else if (--startcol < 0 + || !vim_iswordp(mb_prevptr(line, line + startcol + 1))) + { + // Match any word of at least two chars + compl_pattern = vim_strsave((char_u *)"\\<\\k\\k"); + if (compl_pattern == NULL) + return FAIL; + compl_col += curs_col; + compl_length = 0; + } + else + { + // Search the point of change class of multibyte character + // or not a word single byte character backward. + if (has_mbyte) + { + int base_class; + int head_off; + + startcol -= (*mb_head_off)(line, line + startcol); + base_class = mb_get_class(line + startcol); + while (--startcol >= 0) + { + head_off = (*mb_head_off)(line, line + startcol); + if (base_class != mb_get_class(line + startcol + - head_off)) + break; + startcol -= head_off; + } + } + else + while (--startcol >= 0 && vim_iswordc(line[startcol])) + ; + compl_col += ++startcol; + compl_length = (int)curs_col - startcol; + if (compl_length == 1) + { + // Only match word with at least two chars -- webb + // there's no need to call quote_meta, + // alloc(7) is enough -- Acevedo + compl_pattern = alloc(7); + if (compl_pattern == NULL) + return FAIL; + STRCPY((char *)compl_pattern, "\\<"); + (void)quote_meta(compl_pattern + 2, line + compl_col, 1); + STRCAT((char *)compl_pattern, "\\k"); + } + else + { + compl_pattern = alloc(quote_meta(NULL, line + compl_col, + compl_length) + 2); + if (compl_pattern == NULL) + return FAIL; + STRCPY((char *)compl_pattern, "\\<"); + (void)quote_meta(compl_pattern + 2, line + compl_col, + compl_length); + } + } + } + else if (ctrl_x_mode_line_or_eval()) + { + compl_col = (colnr_T)getwhitecols(line); + compl_length = (int)curs_col - (int)compl_col; + if (compl_length < 0) // cursor in indent: empty pattern + compl_length = 0; + if (p_ic) + compl_pattern = str_foldcase(line + compl_col, compl_length, + NULL, 0); + else + compl_pattern = vim_strnsave(line + compl_col, compl_length); + if (compl_pattern == NULL) + return FAIL; + } + else if (ctrl_x_mode == CTRL_X_FILES) + { + // Go back to just before the first filename character. + if (startcol > 0) + { + char_u *p = line + startcol; + + MB_PTR_BACK(line, p); + while (p > line && vim_isfilec(PTR2CHAR(p))) + MB_PTR_BACK(line, p); + if (p == line && vim_isfilec(PTR2CHAR(p))) + startcol = 0; + else + startcol = (int)(p - line) + 1; + } + + compl_col += startcol; + compl_length = (int)curs_col - startcol; + compl_pattern = addstar(line + compl_col, compl_length, + EXPAND_FILES); + if (compl_pattern == NULL) + return FAIL; + } + else if (ctrl_x_mode == CTRL_X_CMDLINE) + { + compl_pattern = vim_strnsave(line, curs_col); + if (compl_pattern == NULL) + return FAIL; + set_cmd_context(&compl_xp, compl_pattern, + (int)STRLEN(compl_pattern), curs_col, FALSE); + if (compl_xp.xp_context == EXPAND_UNSUCCESSFUL + || compl_xp.xp_context == EXPAND_NOTHING) + // No completion possible, use an empty pattern to get a + // "pattern not found" message. + compl_col = curs_col; + else + compl_col = (int)(compl_xp.xp_pattern - compl_pattern); + compl_length = curs_col - compl_col; + } + else if (ctrl_x_mode == CTRL_X_FUNCTION || ctrl_x_mode == CTRL_X_OMNI) + { +#ifdef FEAT_COMPL_FUNC + // Call user defined function 'completefunc' with "a:findstart" + // set to 1 to obtain the length of text to use for completion. + typval_T args[3]; + int col; + char_u *funcname; + pos_T pos; + win_T *curwin_save; + buf_T *curbuf_save; + int save_State = State; + + // Call 'completefunc' or 'omnifunc' and get pattern length as a + // string + funcname = ctrl_x_mode == CTRL_X_FUNCTION + ? curbuf->b_p_cfu : curbuf->b_p_ofu; + if (*funcname == NUL) + { + semsg(_(e_notset), ctrl_x_mode == CTRL_X_FUNCTION + ? "completefunc" : "omnifunc"); + // restore did_ai, so that adding comment leader works + did_ai = save_did_ai; + return FAIL; + } + + args[0].v_type = VAR_NUMBER; + args[0].vval.v_number = 1; + args[1].v_type = VAR_STRING; + args[1].vval.v_string = (char_u *)""; + args[2].v_type = VAR_UNKNOWN; + pos = curwin->w_cursor; + curwin_save = curwin; + curbuf_save = curbuf; + col = call_func_retnr(funcname, 2, args); + + State = save_State; + if (curwin_save != curwin || curbuf_save != curbuf) + { + emsg(_(e_complwin)); + return FAIL; + } + curwin->w_cursor = pos; // restore the cursor position + validate_cursor(); + if (!EQUAL_POS(curwin->w_cursor, pos)) + { + emsg(_(e_compldel)); + return FAIL; + } + + // Return value -2 means the user complete function wants to + // cancel the complete without an error. + // Return value -3 does the same as -2 and leaves CTRL-X mode. + if (col == -2) + return FAIL; + if (col == -3) + { + ctrl_x_mode = CTRL_X_NORMAL; + edit_submode = NULL; + if (!shortmess(SHM_COMPLETIONMENU)) + msg_clr_cmdline(); + return FAIL; + } + + // Reset extended parameters of completion, when start new + // completion. + compl_opt_refresh_always = FALSE; + compl_opt_suppress_empty = FALSE; + + if (col < 0) + col = curs_col; + compl_col = col; + if (compl_col > curs_col) + compl_col = curs_col; + + // Setup variables for completion. Need to obtain "line" again, + // it may have become invalid. + line = ml_get(curwin->w_cursor.lnum); + compl_length = curs_col - compl_col; + compl_pattern = vim_strnsave(line + compl_col, compl_length); + if (compl_pattern == NULL) +#endif + return FAIL; + } + else if (ctrl_x_mode == CTRL_X_SPELL) + { +#ifdef FEAT_SPELL + if (spell_bad_len > 0) + compl_col = curs_col - spell_bad_len; + else + compl_col = spell_word_start(startcol); + if (compl_col >= (colnr_T)startcol) + { + compl_length = 0; + compl_col = curs_col; + } + else + { + spell_expand_check_cap(compl_col); + compl_length = (int)curs_col - compl_col; + } + // Need to obtain "line" again, it may have become invalid. + line = ml_get(curwin->w_cursor.lnum); + compl_pattern = vim_strnsave(line + compl_col, compl_length); + if (compl_pattern == NULL) +#endif + return FAIL; + } + else + { + internal_error("ins_complete()"); + return FAIL; + } + + if (compl_cont_status & CONT_ADDING) + { + edit_submode_pre = (char_u *)_(" Adding"); + if (ctrl_x_mode_line_or_eval()) + { + // Insert a new line, keep indentation but ignore 'comments' +#ifdef FEAT_COMMENTS + char_u *old = curbuf->b_p_com; + + curbuf->b_p_com = (char_u *)""; +#endif + compl_startpos.lnum = curwin->w_cursor.lnum; + compl_startpos.col = compl_col; + ins_eol('\r'); +#ifdef FEAT_COMMENTS + curbuf->b_p_com = old; +#endif + compl_length = 0; + compl_col = curwin->w_cursor.col; + } + } + else + { + edit_submode_pre = NULL; + compl_startpos.col = compl_col; + } + + if (compl_cont_status & CONT_LOCAL) + edit_submode = (char_u *)_(ctrl_x_msgs[CTRL_X_LOCAL_MSG]); + else + edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode)); + + // If any of the original typed text has been changed we need to fix + // the redo buffer. + ins_compl_fixRedoBufForLeader(NULL); + + // Always add completion for the original text. + vim_free(compl_orig_text); + compl_orig_text = vim_strnsave(line + compl_col, compl_length); + if (compl_orig_text == NULL || ins_compl_add(compl_orig_text, + -1, p_ic, NULL, NULL, 0, ORIGINAL_TEXT, FALSE) != OK) + { + VIM_CLEAR(compl_pattern); + VIM_CLEAR(compl_orig_text); + return FAIL; + } + + // showmode might reset the internal line pointers, so it must + // be called before line = ml_get(), or when this address is no + // longer needed. -- Acevedo. + edit_submode_extra = (char_u *)_("-- Searching..."); + edit_submode_highl = HLF_COUNT; + showmode(); + edit_submode_extra = NULL; + out_flush(); + } + else if (insert_match && stop_arrow() == FAIL) + return FAIL; + + compl_shown_match = compl_curr_match; + compl_shows_dir = compl_direction; + + // Find next match (and following matches). + save_w_wrow = curwin->w_wrow; + save_w_leftcol = curwin->w_leftcol; + n = ins_compl_next(TRUE, ins_compl_key2count(c), insert_match, FALSE); + + // may undisplay the popup menu + ins_compl_upd_pum(); + + if (n > 1) // all matches have been found + compl_matches = n; + compl_curr_match = compl_shown_match; + compl_direction = compl_shows_dir; + + // Eat the ESC that vgetc() returns after a CTRL-C to avoid leaving Insert + // mode. + if (got_int && !global_busy) + { + (void)vgetc(); + got_int = FALSE; + } + + // we found no match if the list has only the "compl_orig_text"-entry + if (compl_first_match == compl_first_match->cp_next) + { + edit_submode_extra = (compl_cont_status & CONT_ADDING) + && compl_length > 1 + ? (char_u *)_(e_hitend) : (char_u *)_(e_patnotf); + edit_submode_highl = HLF_E; + // remove N_ADDS flag, so next ^X<> won't try to go to ADDING mode, + // because we couldn't expand anything at first place, but if we used + // ^P, ^N, ^X^I or ^X^D we might want to add-expand a single-char-word + // (such as M in M'exico) if not tried already. -- Acevedo + if ( compl_length > 1 + || (compl_cont_status & CONT_ADDING) + || (ctrl_x_mode != CTRL_X_NORMAL + && ctrl_x_mode != CTRL_X_PATH_PATTERNS + && ctrl_x_mode != CTRL_X_PATH_DEFINES)) + compl_cont_status &= ~CONT_N_ADDS; + } + + if (compl_curr_match->cp_flags & 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 & ORIGINAL_TEXT) + { + edit_submode_extra = (char_u *)_("Back at original"); + edit_submode_highl = HLF_W; + } + else if (compl_cont_status & CONT_S_IPOS) + { + edit_submode_extra = (char_u *)_("Word from other line"); + edit_submode_highl = HLF_COUNT; + } + else if (compl_curr_match->cp_next == compl_curr_match->cp_prev) + { + edit_submode_extra = (char_u *)_("The only match"); + edit_submode_highl = HLF_COUNT; + } + else + { + // Update completion sequence number when needed. + if (compl_curr_match->cp_number == -1) + { + int number = 0; + compl_T *match; + + if (compl_direction == FORWARD) + { + // search backwards for the first valid (!= -1) number. + // This should normally succeed already at the first loop + // cycle, so it's fast! + for (match = compl_curr_match->cp_prev; match != NULL + && match != compl_first_match; + match = match->cp_prev) + if (match->cp_number != -1) + { + number = match->cp_number; + break; + } + if (match != NULL) + // go up and assign all numbers which are not assigned + // yet + for (match = match->cp_next; + match != NULL && match->cp_number == -1; + match = match->cp_next) + match->cp_number = ++number; + } + else // BACKWARD + { + // search forwards (upwards) for the first valid (!= -1) + // number. This should normally succeed already at the + // first loop cycle, so it's fast! + for (match = compl_curr_match->cp_next; match != NULL + && match != compl_first_match; + match = match->cp_next) + if (match->cp_number != -1) + { + number = match->cp_number; + break; + } + if (match != NULL) + // go down and assign all numbers which are not + // assigned yet + for (match = match->cp_prev; match + && match->cp_number == -1; + match = match->cp_prev) + match->cp_number = ++number; + } + } + + // The match should always have a sequence number now, this is + // just a safety check. + if (compl_curr_match->cp_number != -1) + { + // Space for 10 text chars. + 2x10-digit no.s = 31. + // Translations may need more than twice that. + static char_u match_ref[81]; + + if (compl_matches > 0) + vim_snprintf((char *)match_ref, sizeof(match_ref), + _("match %d of %d"), + compl_curr_match->cp_number, compl_matches); + else + vim_snprintf((char *)match_ref, sizeof(match_ref), + _("match %d"), + compl_curr_match->cp_number); + edit_submode_extra = match_ref; + edit_submode_highl = HLF_R; + if (dollar_vcol >= 0) + curs_columns(FALSE); + } + } + } + + // Show a message about what (completion) mode we're in. + if (!compl_opt_suppress_empty) + { + showmode(); + if (!shortmess(SHM_COMPLETIONMENU)) + { + if (edit_submode_extra != NULL) + { + if (!p_smd) + msg_attr((char *)edit_submode_extra, + edit_submode_highl < HLF_COUNT + ? HL_ATTR(edit_submode_highl) : 0); + } + else + msg_clr_cmdline(); // necessary for "noshowmode" + } + } + + // Show the popup menu, unless we got interrupted. + if (enable_pum && !compl_interrupted) + show_pum(save_w_wrow, save_w_leftcol); + + compl_was_interrupted = compl_interrupted; + compl_interrupted = FALSE; + + return OK; +} + + static void +show_pum(int prev_w_wrow, int prev_w_leftcol) +{ + // RedrawingDisabled may be set when invoked through complete(). + int n = RedrawingDisabled; + + RedrawingDisabled = 0; + + // If the cursor moved or the display scrolled we need to remove the pum + // first. + setcursor(); + if (prev_w_wrow != curwin->w_wrow || prev_w_leftcol != curwin->w_leftcol) + ins_compl_del_pum(); + + ins_compl_show_pum(); + setcursor(); + RedrawingDisabled = n; +} + +/* + * Looks in the first "len" chars. of "src" for search-metachars. + * If dest is not NULL the chars. are copied there quoting (with + * a backslash) the metachars, and dest would be NUL terminated. + * Returns the length (needed) of dest + */ + static unsigned +quote_meta(char_u *dest, char_u *src, int len) +{ + unsigned m = (unsigned)len + 1; // one extra for the NUL + + for ( ; --len >= 0; src++) + { + switch (*src) + { + case '.': + case '*': + case '[': + if (ctrl_x_mode == CTRL_X_DICTIONARY + || ctrl_x_mode == CTRL_X_THESAURUS) + break; + // FALLTHROUGH + case '~': + if (!p_magic) // quote these only if magic is set + break; + // FALLTHROUGH + case '\\': + if (ctrl_x_mode == CTRL_X_DICTIONARY + || ctrl_x_mode == CTRL_X_THESAURUS) + break; + // FALLTHROUGH + case '^': // currently it's not needed. + case '$': + m++; + if (dest != NULL) + *dest++ = '\\'; + break; + } + if (dest != NULL) + *dest++ = *src; + // Copy remaining bytes of a multibyte character. + if (has_mbyte) + { + int i, mb_len; + + mb_len = (*mb_ptr2len)(src) - 1; + if (mb_len > 0 && len >= mb_len) + for (i = 0; i < mb_len; ++i) + { + --len; + ++src; + if (dest != NULL) + *dest++ = *src; + } + } + } + if (dest != NULL) + *dest = NUL; + + return m; +} + +# if defined(EXITFREE) || defined(PROTO) + void +free_insexpand_stuff(void) +{ + VIM_CLEAR(compl_orig_text); +} +# endif + +# ifdef FEAT_SPELL +/* + * Called when starting CTRL_X_SPELL mode: Move backwards to a previous badly + * spelled word, if there is one. + */ + static void +spell_back_to_badword(void) +{ + pos_T tpos = curwin->w_cursor; + + spell_bad_len = spell_move_to(curwin, BACKWARD, TRUE, TRUE, NULL); + if (curwin->w_cursor.col != tpos.col) + start_arrow(&tpos); +} +# endif + +#endif // FEAT_INS_EXPAND
--- a/src/misc2.c +++ b/src/misc2.c @@ -1130,6 +1130,7 @@ free_all_mem(void) free_search_patterns(); free_old_sub(); free_last_insert(); + free_insexpand_stuff(); free_prev_shellcmd(); free_regexp_stuff(); free_tag_stuff();
--- a/src/proto.h +++ b/src/proto.h @@ -89,6 +89,9 @@ extern int _stricoll(char *a, char *b); # include "hardcopy.pro" # include "hashtab.pro" # include "indent.pro" +# ifdef FEAT_INS_EXPAND +# include "insexpand.pro" +# endif # include "json.pro" # include "list.pro" # include "blob.pro"
--- a/src/proto/edit.pro +++ b/src/proto/edit.pro @@ -1,5 +1,7 @@ /* edit.c */ int edit(int cmdchar, int startln, long count); +int ins_need_undo_get(void); +void ins_redraw(int ready); void edit_putchar(int c, int highlight); char_u *prompt_text(void); int prompt_curpos_editable(void); @@ -8,23 +10,11 @@ void display_dollar(colnr_T col); void change_indent(int type, int amount, int round, int replaced, int call_changed_bytes); void truncate_spaces(char_u *line); void backspace_until_column(int col); -int ctrl_x_mode_not_default(void); -int ctrl_x_mode_not_defined_yet(void); -int vim_is_ctrl_x_key(int c); -int ins_compl_add_infercase(char_u *str, int len, int icase, char_u *fname, int dir, int flags); -void completeopt_was_set(void); -void set_completion(colnr_T startcol, list_T *list); -void ins_compl_show_pum(void); -char_u *find_word_start(char_u *ptr); -char_u *find_word_end(char_u *ptr); -int ins_compl_active(void); -void get_complete_info(list_T *what_list, dict_T *retdict); -int ins_compl_add_tv(typval_T *tv, int dir); -void ins_compl_check_keys(int frequency, int in_compl_func); int get_literal(void); void insertchar(int c, int flags, int second_indent); void auto_format(int trailblank, int prev_line); int comp_textwidth(int ff); +void start_arrow(pos_T *end_insert_pos); int stop_arrow(void); void set_last_insert(int c); void free_last_insert(void); @@ -43,6 +33,9 @@ int hkmap(int c); int bracketed_paste(paste_mode_T mode, int drop, garray_T *gap); void ins_scroll(void); void ins_horscroll(void); +int ins_eol(int c); int ins_copychar(linenr_T lnum); colnr_T get_nolist_virtcol(void); +int can_cindent_get(void); +int ins_apply_autocmds(event_T event); /* vim: set ft=c : */
new file mode 100644 --- /dev/null +++ b/src/proto/insexpand.pro @@ -0,0 +1,50 @@ +/* insexpand.c */ +void ins_ctrl_x(void); +int ctrl_x_mode_none(void); +int ctrl_x_mode_normal(void); +int ctrl_x_mode_scroll(void); +int ctrl_x_mode_whole_line(void); +int ctrl_x_mode_files(void); +int ctrl_x_mode_tags(void); +int ctrl_x_mode_path_patterns(void); +int ctrl_x_mode_path_defines(void); +int ctrl_x_mode_dictionary(void); +int ctrl_x_mode_thesaurus(void); +int ctrl_x_mode_cmdline(void); +int ctrl_x_mode_function(void); +int ctrl_x_mode_omni(void); +int ctrl_x_mode_spell(void); +int ctrl_x_mode_line_or_eval(void); +int ctrl_x_mode_not_default(void); +int ctrl_x_mode_not_defined_yet(void); +int has_compl_option(int dict_opt); +int vim_is_ctrl_x_key(int c); +int ins_compl_accept_char(int c); +int ins_compl_add_infercase(char_u *str, int len, int icase, char_u *fname, int dir, int flags); +int ins_compl_has_shown_match(void); +int ins_compl_long_shown_match(void); +void completeopt_was_set(void); +void set_completion(colnr_T startcol, list_T *list); +int pum_wanted(void); +void ins_compl_show_pum(void); +char_u *find_word_start(char_u *ptr); +char_u *find_word_end(char_u *ptr); +void ins_compl_clear(void); +int ins_compl_active(void); +void get_complete_info(list_T *what_list, dict_T *retdict); +int ins_compl_used_match(void); +void ins_compl_init_get_longest(void); +int ins_compl_interrupted(void); +int ins_compl_enter_selects(void); +colnr_T ins_compl_col(void); +int ins_compl_bs(void); +void ins_compl_addleader(int c); +void ins_compl_addfrommatch(void); +int ins_compl_prep(int c); +int ins_compl_add_tv(typval_T *tv, int dir); +void ins_compl_delete(void); +void ins_compl_insert(int in_compl_func); +void ins_compl_check_keys(int frequency, int in_compl_func); +int ins_complete(int c, int enable_pum); +void free_insexpand_stuff(void); +/* vim: set ft=c : */
--- a/src/search.c +++ b/src/search.c @@ -5479,7 +5479,7 @@ exit_matched: #ifdef FEAT_INS_EXPAND if (action == ACTION_EXPAND) ins_compl_check_keys(30, FALSE); - if (got_int || compl_interrupted) + if (got_int || ins_compl_interrupted()) #else if (got_int) #endif @@ -5550,7 +5550,7 @@ exit_matched: ) { #ifdef FEAT_INS_EXPAND - if (got_int || compl_interrupted) + if (got_int || ins_compl_interrupted()) #else if (got_int) #endif
--- a/src/spell.c +++ b/src/spell.c @@ -8473,7 +8473,7 @@ spell_dump_compl( arridx[0] = 0; curi[0] = 1; while (depth >= 0 && !got_int - && (pat == NULL || !compl_interrupted)) + && (pat == NULL || !ins_compl_interrupted())) { if (curi[depth] > byts[arridx[depth]]) {
--- a/src/structs.h +++ b/src/structs.h @@ -1191,36 +1191,36 @@ typedef long_u hash_T; /* Type for hi_h # ifdef PROTO typedef long varnumber_T; typedef unsigned long uvarnumber_T; -#define VARNUM_MIN LONG_MIN -#define VARNUM_MAX LONG_MAX -#define UVARNUM_MAX ULONG_MAX +# define VARNUM_MIN LONG_MIN +# define VARNUM_MAX LONG_MAX +# define UVARNUM_MAX ULONG_MAX # else typedef __int64 varnumber_T; typedef unsigned __int64 uvarnumber_T; -#define VARNUM_MIN _I64_MIN -#define VARNUM_MAX _I64_MAX -#define UVARNUM_MAX _UI64_MAX +# define VARNUM_MIN _I64_MIN +# define VARNUM_MAX _I64_MAX +# define UVARNUM_MAX _UI64_MAX # endif # elif defined(HAVE_STDINT_H) typedef int64_t varnumber_T; typedef uint64_t uvarnumber_T; -#define VARNUM_MIN INT64_MIN -#define VARNUM_MAX INT64_MAX -#define UVARNUM_MAX UINT64_MAX +# define VARNUM_MIN INT64_MIN +# define VARNUM_MAX INT64_MAX +# define UVARNUM_MAX UINT64_MAX # else typedef long varnumber_T; typedef unsigned long uvarnumber_T; -#define VARNUM_MIN LONG_MIN -#define VARNUM_MAX LONG_MAX -#define UVARNUM_MAX ULONG_MAX +# define VARNUM_MIN LONG_MIN +# define VARNUM_MAX LONG_MAX +# define UVARNUM_MAX ULONG_MAX # endif #else /* Use 32-bit Number. */ typedef int varnumber_T; typedef unsigned int uvarnumber_T; -#define VARNUM_MIN INT_MIN -#define VARNUM_MAX INT_MAX -#define UVARNUM_MAX UINT_MAX +# define VARNUM_MIN INT_MIN +# define VARNUM_MAX INT_MAX +# define UVARNUM_MAX UINT_MAX #endif typedef double float_T; @@ -3340,16 +3340,6 @@ typedef struct void *tn_search_ctx; } tagname_T; -/* - * Array indexes used for cptext argument of ins_compl_add(). - */ -#define CPT_ABBR 0 /* "abbr" */ -#define CPT_MENU 1 /* "menu" */ -#define CPT_KIND 2 /* "kind" */ -#define CPT_INFO 3 /* "info" */ -#define CPT_USER_DATA 4 /* "user data" */ -#define CPT_COUNT 5 /* Number of entries */ - typedef struct { UINT32_T total[2]; UINT32_T state[8];