diff options
Diffstat (limited to 'src/nvim/ex_getln.c')
| -rw-r--r-- | src/nvim/ex_getln.c | 1568 |
1 files changed, 1226 insertions, 342 deletions
diff --git a/src/nvim/ex_getln.c b/src/nvim/ex_getln.c index 8810204c03..e1198d6f1c 100644 --- a/src/nvim/ex_getln.c +++ b/src/nvim/ex_getln.c @@ -1,3 +1,6 @@ +// This is an open source non-commercial project. Dear PVS-Studio, please check +// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + /* * ex_getln.c: Functions for entering and editing an Ex command line. */ @@ -9,6 +12,7 @@ #include <inttypes.h> #include "nvim/assert.h" +#include "nvim/log.h" #include "nvim/vim.h" #include "nvim/ascii.h" #include "nvim/arabic.h" @@ -30,6 +34,7 @@ #include "nvim/if_cscope.h" #include "nvim/indent.h" #include "nvim/main.h" +#include "nvim/mark.h" #include "nvim/mbyte.h" #include "nvim/memline.h" #include "nvim/menu.h" @@ -58,6 +63,42 @@ #include "nvim/os/os.h" #include "nvim/event/loop.h" #include "nvim/os/time.h" +#include "nvim/lib/kvec.h" +#include "nvim/api/private/helpers.h" +#include "nvim/highlight_defs.h" +#include "nvim/viml/parser/parser.h" +#include "nvim/viml/parser/expressions.h" + +/// Command-line colors: one chunk +/// +/// Defines a region which has the same highlighting. +typedef struct { + int start; ///< Colored chunk start. + int end; ///< Colored chunk end (exclusive, > start). + int attr; ///< Highlight attr. +} CmdlineColorChunk; + +/// Command-line colors +/// +/// Holds data about all colors. +typedef kvec_t(CmdlineColorChunk) CmdlineColors; + +/// Command-line coloring +/// +/// Holds both what are the colors and what have been colored. Latter is used to +/// suppress unnecessary calls to coloring callbacks. +typedef struct { + unsigned prompt_id; ///< ID of the prompt which was colored last. + char *cmdbuff; ///< What exactly was colored last time or NULL. + CmdlineColors colors; ///< Last colors. +} ColoredCmdline; + +/// Keeps track how much state must be sent to external ui. +typedef enum { + kCmdRedrawNone, + kCmdRedrawPos, + kCmdRedrawAll, +} CmdRedraw; /* * Variables shared between getcmdline(), redrawcmdline() and others. @@ -65,23 +106,33 @@ * structure. */ struct cmdline_info { - char_u *cmdbuff; /* pointer to command line buffer */ - int cmdbufflen; /* length of cmdbuff */ - int cmdlen; /* number of chars in command line */ - int cmdpos; /* current cursor position */ - int cmdspos; /* cursor column on screen */ - int cmdfirstc; /* ':', '/', '?', '=', '>' or NUL */ - int cmdindent; /* number of spaces before cmdline */ - char_u *cmdprompt; /* message in front of cmdline */ - int cmdattr; /* attributes for prompt */ - int overstrike; /* Typing mode on the command line. Shared by - getcmdline() and put_on_cmdline(). */ - expand_T *xpc; /* struct being used for expansion, xp_pattern - may point into cmdbuff */ - int xp_context; /* type of expansion */ - char_u *xp_arg; /* user-defined expansion arg */ - int input_fn; /* when TRUE Invoked for input() function */ + char_u *cmdbuff; // pointer to command line buffer + int cmdbufflen; // length of cmdbuff + int cmdlen; // number of chars in command line + int cmdpos; // current cursor position + int cmdspos; // cursor column on screen + int cmdfirstc; // ':', '/', '?', '=', '>' or NUL + int cmdindent; // number of spaces before cmdline + char_u *cmdprompt; // message in front of cmdline + int cmdattr; // attributes for prompt + int overstrike; // Typing mode on the command line. Shared by + // getcmdline() and put_on_cmdline(). + expand_T *xpc; // struct being used for expansion, xp_pattern + // may point into cmdbuff + int xp_context; // type of expansion + char_u *xp_arg; // user-defined expansion arg + int input_fn; // when TRUE Invoked for input() function + unsigned prompt_id; ///< Prompt number, used to disable coloring on errors. + Callback highlight_callback; ///< Callback used for coloring user input. + ColoredCmdline last_colors; ///< Last cmdline colors + int level; // current cmdline level + struct cmdline_info *prev_ccline; ///< pointer to saved cmdline state + char special_char; ///< last putcmdline char (used for redraws) + bool special_shift; ///< shift of last putcmdline char + CmdRedraw redraw_state; ///< needed redraw for external cmdline }; +/// Last value of prompt_id, incremented when doing new prompt +static unsigned last_prompt_id = 0; typedef struct command_line_state { VimState state; @@ -96,12 +147,20 @@ typedef struct command_line_state { char_u *lookfor; // string to match int hiscnt; // current history line in use int histype; // history type to be used - pos_T old_cursor; + pos_T search_start; // where 'incsearch' starts searching + pos_T save_cursor; colnr_T old_curswant; + colnr_T init_curswant; colnr_T old_leftcol; + colnr_T init_leftcol; linenr_T old_topline; + linenr_T init_topline; int old_topfill; + int init_topfill; linenr_T old_botline; + linenr_T init_botline; + pos_T match_start; + pos_T match_end; int did_incsearch; int incsearch_postponed; int did_wild_list; // did wild_list() recently @@ -123,6 +182,8 @@ typedef struct command_line_state { struct cmdline_info save_ccline; } CommandLineState; +typedef struct cmdline_info CmdlineInfo; + /* The current cmdline_info. It is initialized in getcmdline() and after that * used by other functions. When invoking getcmdline() recursively it needs * to be saved with save_cmdline() and restored with restore_cmdline(). @@ -133,6 +194,9 @@ static int cmd_showtail; /* Only show path tail in lists ? */ static int new_cmdpos; /* position set by set_cmdline_pos() */ +/// currently displayed block of context +static Array cmdline_block = ARRAY_DICT_INIT; + /* * Type used by call_user_expand_func */ @@ -144,6 +208,12 @@ static int hisnum[HIST_COUNT] = {0, 0, 0, 0, 0}; /* identifying (unique) number of newest history entry */ static int hislen = 0; /* actual length of history tables */ +/// Flag for command_line_handle_key to ignore <C-c> +/// +/// Used if it was received while processing highlight function in order for +/// user interrupting highlight function to not interrupt command-line. +static bool getln_interrupted_highlight = false; + #ifdef INCLUDE_GENERATED_DECLARATIONS # include "ex_getln.c.generated.h" @@ -163,6 +233,12 @@ static uint8_t *command_line_enter(int firstc, long count, int indent) s->save_State = State; s->save_p_icm = vim_strsave(p_icm); s->ignore_drag_release = true; + s->match_start = curwin->w_cursor; + s->init_curswant = curwin->w_curswant; + s->init_leftcol = curwin->w_leftcol; + s->init_topline = curwin->w_topline; + s->init_topfill = curwin->w_topfill; + s->init_botline = curwin->w_botline; if (s->firstc == -1) { s->firstc = NUL; @@ -174,8 +250,12 @@ static uint8_t *command_line_enter(int firstc, long count, int indent) cmd_hkmap = 0; } + ccline.prompt_id = last_prompt_id++; + ccline.level++; ccline.overstrike = false; // always start in insert mode - s->old_cursor = curwin->w_cursor; // needs to be restored later + clearpos(&s->match_end); + s->save_cursor = curwin->w_cursor; // may be restored later + s->search_start = curwin->w_cursor; s->old_curswant = curwin->w_curswant; s->old_leftcol = curwin->w_leftcol; s->old_topline = curwin->w_topline; @@ -191,6 +271,9 @@ static uint8_t *command_line_enter(int firstc, long count, int indent) ccline.cmdlen = ccline.cmdpos = 0; ccline.cmdbuff[0] = NUL; + ccline.last_colors = (ColoredCmdline){ .cmdbuff = NULL, + .colors = KV_INITIAL_VALUE }; + // autoindent for :insert and :append if (s->firstc <= 0) { memset(ccline.cmdbuff, ' ', s->indent); @@ -268,8 +351,57 @@ static uint8_t *command_line_enter(int firstc, long count, int indent) got_int = false; s->state.check = command_line_check; s->state.execute = command_line_execute; + + TryState tstate; + Error err = ERROR_INIT; + bool tl_ret = true; + dict_T *dict = get_vim_var_dict(VV_EVENT); + char firstcbuf[2]; + firstcbuf[0] = firstc > 0 ? firstc : '-'; + firstcbuf[1] = 0; + + if (has_event(EVENT_CMDLINEENTER)) { + // set v:event to a dictionary with information about the commandline + tv_dict_add_str(dict, S_LEN("cmdtype"), firstcbuf); + tv_dict_add_nr(dict, S_LEN("cmdlevel"), ccline.level); + tv_dict_set_keys_readonly(dict); + try_enter(&tstate); + + apply_autocmds(EVENT_CMDLINEENTER, (char_u *)firstcbuf, (char_u *)firstcbuf, + false, curbuf); + tv_dict_clear(dict); + + + tl_ret = try_leave(&tstate, &err); + if (!tl_ret && ERROR_SET(&err)) { + msg_putchar('\n'); + msg_printf_attr(hl_attr(HLF_E)|MSG_HIST, (char *)e_autocmd_err, err.msg); + api_clear_error(&err); + redrawcmd(); + } + tl_ret = true; + } + state_enter(&s->state); + if (has_event(EVENT_CMDLINELEAVE)) { + tv_dict_add_str(dict, S_LEN("cmdtype"), firstcbuf); + tv_dict_add_nr(dict, S_LEN("cmdlevel"), ccline.level); + tv_dict_set_keys_readonly(dict); + // not readonly: + tv_dict_add_special(dict, S_LEN("abort"), + s->gotesc ? kSpecialVarTrue : kSpecialVarFalse); + try_enter(&tstate); + apply_autocmds(EVENT_CMDLINELEAVE, (char_u *)firstcbuf, (char_u *)firstcbuf, + false, curbuf); + // error printed below, to avoid redraw issues + tl_ret = try_leave(&tstate, &err); + if (tv_dict_get_number(dict, "abort") != 0) { + s->gotesc = 1; + } + tv_dict_clear(dict); + } + cmdmsg_rl = false; cmd_fkmap = 0; @@ -278,7 +410,16 @@ static uint8_t *command_line_enter(int firstc, long count, int indent) ccline.xpc = NULL; if (s->did_incsearch) { - curwin->w_cursor = s->old_cursor; + if (s->gotesc) { + curwin->w_cursor = s->save_cursor; + } else { + if (!equalpos(s->save_cursor, s->search_start)) { + // put the '" mark at the original position + curwin->w_cursor = s->save_cursor; + setpcmark(); + } + curwin->w_cursor = s->search_start; // -V519 + } curwin->w_curswant = s->old_curswant; curwin->w_leftcol = s->old_leftcol; curwin->w_topline = s->old_topline; @@ -286,7 +427,7 @@ static uint8_t *command_line_enter(int firstc, long count, int indent) curwin->w_botline = s->old_botline; highlight_match = false; validate_cursor(); // needed for TAB - redraw_later(SOME_VALID); + redraw_all_later(SOME_VALID); } if (ccline.cmdbuff != NULL) { @@ -303,14 +444,8 @@ static uint8_t *command_line_enter(int firstc, long count, int indent) } } - if (s->gotesc) { // abandon command line - xfree(ccline.cmdbuff); - ccline.cmdbuff = NULL; - if (msg_scrolled == 0) { - compute_cmdrow(); - } - MSG(""); - redraw_cmdline = true; + if (s->gotesc) { + abandon_cmdline(); } } @@ -321,8 +456,14 @@ static uint8_t *command_line_enter(int firstc, long count, int indent) msg_scroll = s->save_msg_scroll; redir_off = false; + if (!tl_ret && ERROR_SET(&err)) { + msg_putchar('\n'); + msg_printf_attr(hl_attr(HLF_E)|MSG_HIST, (char *)e_autocmd_err, err.msg); + api_clear_error(&err); + } + // When the command line was typed, no need for a wait-return prompt. - if (s->some_key_typed) { + if (s->some_key_typed && tl_ret) { need_wait_return = false; } @@ -332,12 +473,20 @@ static uint8_t *command_line_enter(int firstc, long count, int indent) setmouse(); ui_cursor_shape(); // may show different cursor shape xfree(s->save_p_icm); + xfree(ccline.last_colors.cmdbuff); + kv_destroy(ccline.last_colors.colors); { char_u *p = ccline.cmdbuff; // Make ccline empty, getcmdline() may try to use it. ccline.cmdbuff = NULL; + + if (ui_is_external(kUICmdline)) { + ccline.redraw_state = kCmdRedrawNone; + ui_call_cmdline_hide(ccline.level); + } + ccline.level--; return p; } } @@ -350,6 +499,7 @@ static int command_line_check(VimState *state) quit_more = false; // reset after CTRL-D which had a more-prompt cursorcmd(); // set the cursor on the right spot + ui_cursor_shape(); return 1; } @@ -362,8 +512,12 @@ static int command_line_execute(VimState *state, int key) CommandLineState *s = (CommandLineState *)state; s->c = key; - if (s->c == K_EVENT) { - multiqueue_process_events(main_loop.events); + if (s->c == K_EVENT || s->c == K_COMMAND) { + if (s->c == K_EVENT) { + multiqueue_process_events(main_loop.events); + } else { + do_cmdline(NULL, getcmdkeycmd, NULL, DOCMD_NOWAIT); + } redrawcmdline(); return 1; } @@ -442,11 +596,15 @@ static int command_line_execute(VimState *state, int key) } // free expanded names when finished walking through matches - if (s->xpc.xp_numfiles != -1 - && !(s->c == p_wc && KeyTyped) && s->c != p_wcm + if (!(s->c == p_wc && KeyTyped) && s->c != p_wcm && s->c != Ctrl_N && s->c != Ctrl_P && s->c != Ctrl_A && s->c != Ctrl_L) { - (void)ExpandOne(&s->xpc, NULL, NULL, 0, WILD_FREE); + if (ui_is_external(kUIWildmenu)) { + ui_call_wildmenu_hide(); + } + if (s->xpc.xp_numfiles != -1) { + (void)ExpandOne(&s->xpc, NULL, NULL, 0, WILD_FREE); + } s->did_wild_list = false; if (!p_wmnu || (s->c != K_UP && s->c != K_DOWN)) { s->xpc.xp_context = EXPAND_NOTHING; @@ -579,7 +737,7 @@ static int command_line_execute(VimState *state, int key) } if (vim_ispathsep(ccline.cmdbuff[s->j]) #ifdef BACKSLASH_IN_FILENAME - && strchr(" *?[{`$%#", ccline.cmdbuff[s->j + 1]) + && vim_strchr((const char_u *)" *?[{`$%#", ccline.cmdbuff[s->j + 1]) == NULL #endif ) { @@ -726,7 +884,9 @@ static int command_line_execute(VimState *state, int key) } if (!cmd_silent) { - ui_cursor_goto(msg_row, 0); + if (!ui_is_external(kUICmdline)) { + ui_cursor_goto(msg_row, 0); + } ui_flush(); } return 0; @@ -852,6 +1012,144 @@ static int command_line_execute(VimState *state, int key) return command_line_handle_key(s); } +static void command_line_next_incsearch(CommandLineState *s, bool next_match) +{ + ui_busy_start(); + ui_flush(); + + pos_T t; + char_u *pat; + int search_flags = SEARCH_NOOF; + + + if (s->firstc == ccline.cmdbuff[0]) { + pat = last_search_pattern(); + } else { + pat = ccline.cmdbuff; + } + + save_last_search_pattern(); + + if (next_match) { + t = s->match_end; + if (lt(s->match_start, s->match_end)) { + // start searching at the end of the match + // not at the beginning of the next column + (void)decl(&t); + } + search_flags += SEARCH_COL; + } else { + t = s->match_start; + } + if (!p_hls) { + search_flags += SEARCH_KEEP; + } + emsg_off++; + s->i = searchit(curwin, curbuf, &t, + next_match ? FORWARD : BACKWARD, + pat, s->count, search_flags, + RE_SEARCH, 0, NULL); + emsg_off--; + ui_busy_stop(); + if (s->i) { + s->search_start = s->match_start; + s->match_end = t; + s->match_start = t; + if (!next_match && s->firstc == '/') { + // move just before the current match, so that + // when nv_search finishes the cursor will be + // put back on the match + s->search_start = t; + (void)decl(&s->search_start); + } else if (next_match && s->firstc == '?') { + // move just after the current match, so that + // when nv_search finishes the cursor will be + // put back on the match + s->search_start = t; + (void)incl(&s->search_start); + } + if (lt(t, s->search_start) && next_match) { + // wrap around + s->search_start = t; + if (s->firstc == '?') { + (void)incl(&s->search_start); + } else { + (void)decl(&s->search_start); + } + } + + set_search_match(&s->match_end); + curwin->w_cursor = s->match_start; + changed_cline_bef_curs(); + update_topline(); + validate_cursor(); + highlight_match = true; + s->old_curswant = curwin->w_curswant; + s->old_leftcol = curwin->w_leftcol; + s->old_topline = curwin->w_topline; + s->old_topfill = curwin->w_topfill; + s->old_botline = curwin->w_botline; + update_screen(NOT_VALID); + redrawcmdline(); + } else { + vim_beep(BO_ERROR); + } + restore_last_search_pattern(); + return; +} + +static void command_line_next_histidx(CommandLineState *s, bool next_match) +{ + s->j = (int)STRLEN(s->lookfor); + for (;; ) { + // one step backwards + if (!next_match) { + if (s->hiscnt == hislen) { + // first time + s->hiscnt = hisidx[s->histype]; + } else if (s->hiscnt == 0 && hisidx[s->histype] != hislen - 1) { + s->hiscnt = hislen - 1; + } else if (s->hiscnt != hisidx[s->histype] + 1) { + s->hiscnt--; + } else { + // at top of list + s->hiscnt = s->i; + break; + } + } else { // one step forwards + // on last entry, clear the line + if (s->hiscnt == hisidx[s->histype]) { + s->hiscnt = hislen; + break; + } + + // not on a history line, nothing to do + if (s->hiscnt == hislen) { + break; + } + + if (s->hiscnt == hislen - 1) { + // wrap around + s->hiscnt = 0; + } else { + s->hiscnt++; + } + } + + if (s->hiscnt < 0 || history[s->histype][s->hiscnt].hisstr == NULL) { + s->hiscnt = s->i; + break; + } + + if ((s->c != K_UP && s->c != K_DOWN) + || s->hiscnt == s->i + || STRNCMP(history[s->histype][s->hiscnt].hisstr, + s->lookfor, (size_t)s->j) == 0) { + break; + } + } +} + static int command_line_handle_key(CommandLineState *s) { // Big switch for a typed command line character. @@ -924,6 +1222,16 @@ static int command_line_handle_key(CommandLineState *s) // Truncate at the end, required for multi-byte chars. ccline.cmdbuff[ccline.cmdlen] = NUL; + if (ccline.cmdlen == 0) { + s->search_start = s->save_cursor; + // save view settings, so that the screen won't be restored at the + // wrong position + s->old_curswant = s->init_curswant; + s->old_leftcol = s->init_leftcol; + s->old_topline = s->init_topline; + s->old_topfill = s->init_topfill; + s->old_botline = s->init_botline; + } redrawcmd(); } else if (ccline.cmdlen == 0 && s->c != Ctrl_W && ccline.cmdprompt == NULL && s->indent == 0) { @@ -934,7 +1242,7 @@ static int command_line_handle_key(CommandLineState *s) xfree(ccline.cmdbuff); // no commandline to return ccline.cmdbuff = NULL; - if (!cmd_silent) { + if (!cmd_silent && !ui_is_external(kUICmdline)) { if (cmdmsg_rl) { msg_col = Columns; } else { @@ -942,6 +1250,7 @@ static int command_line_handle_key(CommandLineState *s) } msg_putchar(' '); // delete ':' } + s->search_start = s->save_cursor; redraw_cmdline = true; return 0; // back to cmd mode } @@ -996,14 +1305,20 @@ static int command_line_handle_key(CommandLineState *s) // Truncate at the end, required for multi-byte chars. ccline.cmdbuff[ccline.cmdlen] = NUL; + if (ccline.cmdlen == 0) { + s->search_start = s->save_cursor; + } redrawcmd(); return command_line_changed(s); case ESC: // get here if p_wc != ESC or when ESC typed twice case Ctrl_C: // In exmode it doesn't make sense to return. Except when - // ":normal" runs out of characters. - if (exmode_active && (ex_normal_busy == 0 || typebuf.tb_len > 0)) { + // ":normal" runs out of characters. Also when highlight callback is active + // <C-c> should interrupt only it. + if ((exmode_active && (ex_normal_busy == 0 || typebuf.tb_len > 0)) + || (getln_interrupted_highlight && s->c == Ctrl_C)) { + getln_interrupted_highlight = false; return command_line_not_changed(s); } @@ -1066,6 +1381,7 @@ static int command_line_handle_key(CommandLineState *s) break; // Use ^D as normal char instead } + wild_menu_showing = WM_LIST; redrawcmd(); return 1; // don't do incremental search now @@ -1225,24 +1541,27 @@ static int command_line_handle_key(CommandLineState *s) case Ctrl_L: if (p_is && !cmd_silent && (s->firstc == '/' || s->firstc == '?')) { // Add a character from under the cursor for 'incsearch' - if (s->did_incsearch && !equalpos(curwin->w_cursor, s->old_cursor)) { - s->c = gchar_cursor(); - // If 'ignorecase' and 'smartcase' are set and the - // command line has no uppercase characters, convert - // the character to lowercase - if (p_ic && p_scs && !pat_has_uppercase(ccline.cmdbuff)) { - s->c = vim_tolower(s->c); - } - - if (s->c != NUL) { - if (s->c == s->firstc - || vim_strchr((char_u *)(p_magic ? "\\^$.*[" : "\\^$"), s->c) - != NULL) { - // put a backslash before special characters - stuffcharReadbuff(s->c); - s->c = '\\'; + if (s->did_incsearch) { + curwin->w_cursor = s->match_end; + if (!equalpos(curwin->w_cursor, s->search_start)) { + s->c = gchar_cursor(); + // If 'ignorecase' and 'smartcase' are set and the + // command line has no uppercase characters, convert + // the character to lowercase + if (p_ic && p_scs + && !pat_has_uppercase(ccline.cmdbuff)) { + s->c = mb_tolower(s->c); + } + if (s->c != NUL) { + if (s->c == s->firstc + || vim_strchr((char_u *)(p_magic ? "\\~^$.*[" : "\\^$"), s->c) + != NULL) { + // put a backslash before special characters + stuffcharReadbuff(s->c); + s->c = '\\'; + } + break; } - break; } } return command_line_not_changed(s); @@ -1261,8 +1580,9 @@ static int command_line_handle_key(CommandLineState *s) 0, s->firstc != '@') == FAIL) { break; } - return command_line_changed(s); + return command_line_not_changed(s); } + // fallthrough case K_UP: case K_DOWN: @@ -1285,60 +1605,14 @@ static int command_line_handle_key(CommandLineState *s) s->lookfor[ccline.cmdpos] = NUL; } - s->j = (int)STRLEN(s->lookfor); - for (;; ) { - // one step backwards - if (s->c == K_UP|| s->c == K_S_UP || s->c == Ctrl_P - || s->c == K_PAGEUP || s->c == K_KPAGEUP) { - if (s->hiscnt == hislen) { - // first time - s->hiscnt = hisidx[s->histype]; - } else if (s->hiscnt == 0 && hisidx[s->histype] != hislen - 1) { - s->hiscnt = hislen - 1; - } else if (s->hiscnt != hisidx[s->histype] + 1) { - --s->hiscnt; - } else { - // at top of list - s->hiscnt = s->i; - break; - } - } else { // one step forwards - // on last entry, clear the line - if (s->hiscnt == hisidx[s->histype]) { - s->hiscnt = hislen; - break; - } - - // not on a history line, nothing to do - if (s->hiscnt == hislen) { - break; - } - - if (s->hiscnt == hislen - 1) { - // wrap around - s->hiscnt = 0; - } else { - ++s->hiscnt; - } - } - - if (s->hiscnt < 0 || history[s->histype][s->hiscnt].hisstr == NULL) { - s->hiscnt = s->i; - break; - } - - if ((s->c != K_UP && s->c != K_DOWN) - || s->hiscnt == s->i - || STRNCMP(history[s->histype][s->hiscnt].hisstr, - s->lookfor, (size_t)s->j) == 0) { - break; - } - } + bool next_match = (s->c == K_DOWN || s->c == K_S_DOWN || s->c == Ctrl_N + || s->c == K_PAGEDOWN || s->c == K_KPAGEDOWN); + command_line_next_histidx(s, next_match); if (s->hiscnt != s->i) { // jumped to other entry char_u *p; - int len; + int len = 0; int old_firstc; xfree(ccline.cmdbuff); @@ -1401,6 +1675,16 @@ static int command_line_handle_key(CommandLineState *s) beep_flush(); return command_line_not_changed(s); + case Ctrl_G: // next match + case Ctrl_T: // previous match + if (p_is && !cmd_silent && (s->firstc == '/' || s->firstc == '?')) { + if (ccline.cmdlen != 0) { + command_line_next_incsearch(s, s->c == Ctrl_G); + } + return command_line_not_changed(s); + } + break; + case Ctrl_V: case Ctrl_Q: s->ignore_drag_release = true; @@ -1409,9 +1693,14 @@ static int command_line_handle_key(CommandLineState *s) s->do_abbr = false; // don't do abbreviation now // may need to remove ^ when composing char was typed if (enc_utf8 && utf_iscomposing(s->c) && !cmd_silent) { - draw_cmdline(ccline.cmdpos, ccline.cmdlen - ccline.cmdpos); - msg_putchar(' '); - cursorcmd(); + if (ui_is_external(kUICmdline)) { + // TODO(bfredl): why not make unputcmdline also work with true? + unputcmdline(); + } else { + draw_cmdline(ccline.cmdpos, ccline.cmdlen - ccline.cmdpos); + msg_putchar(' '); + cursorcmd(); + } } break; @@ -1443,14 +1732,6 @@ static int command_line_handle_key(CommandLineState *s) } return command_line_not_changed(s); - case K_FOCUSGAINED: // Neovim has been given focus - apply_autocmds(EVENT_FOCUSGAINED, NULL, NULL, false, curbuf); - return command_line_not_changed(s); - - case K_FOCUSLOST: // Neovim has lost focus - apply_autocmds(EVENT_FOCUSLOST, NULL, NULL, false, curbuf); - return command_line_not_changed(s); - default: // Normal character with no special meaning. Just set mod_mask // to 0x0 so that typing Shift-Space in the GUI doesn't enter @@ -1502,6 +1783,20 @@ static int command_line_not_changed(CommandLineState *s) return command_line_changed(s); } +/// Guess that the pattern matches everything. Only finds specific cases, such +/// as a trailing \|, which can happen while typing a pattern. +static int empty_pattern(char_u *p) +{ + int n = STRLEN(p); + + // remove trailing \v and the like + while (n >= 2 && p[n - 2] == '\\' + && vim_strchr((char_u *)"mMvVcCZ", p[n - 1]) != NULL) { + n -= 2; + } + return n == 0 || (n >= 2 && p[n - 2] == '\\' && p[n - 1] == '|'); +} + static int command_line_changed(CommandLineState *s) { // 'incsearch' highlighting. @@ -1515,21 +1810,28 @@ static int command_line_changed(CommandLineState *s) return 1; } s->incsearch_postponed = false; - curwin->w_cursor = s->old_cursor; // start at old position + curwin->w_cursor = s->search_start; // start at old position + save_last_search_pattern(); // If there is no command line, don't do anything if (ccline.cmdlen == 0) { s->i = 0; + SET_NO_HLSEARCH(true); // turn off previous highlight + redraw_all_later(SOME_VALID); } else { + int search_flags = SEARCH_OPT + SEARCH_NOOF + SEARCH_PEEK; ui_busy_start(); ui_flush(); ++emsg_off; // So it doesn't beep if bad expr // Set the time limit to half a second. tm = profile_setlimit(500L); + if (!p_hls) { + search_flags += SEARCH_KEEP; + } s->i = do_search(NULL, s->firstc, ccline.cmdbuff, s->count, - SEARCH_KEEP + SEARCH_OPT + SEARCH_NOOF + SEARCH_PEEK, - &tm); - --emsg_off; + search_flags, + &tm); + emsg_off--; // if interrupted while searching, behave like it failed if (got_int) { (void)vpeekc(); // remove <C-C> from input stream @@ -1560,21 +1862,22 @@ static int command_line_changed(CommandLineState *s) if (s->i != 0) { pos_T save_pos = curwin->w_cursor; - // First move cursor to end of match, then to the start. This - // moves the whole match onto the screen when 'nowrap' is set. - curwin->w_cursor.lnum += search_match_lines; - curwin->w_cursor.col = search_match_endcol; - if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) { - curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; - coladvance((colnr_T)MAXCOL); - } + s->match_start = curwin->w_cursor; + set_search_match(&curwin->w_cursor); validate_cursor(); end_pos = curwin->w_cursor; + s->match_end = end_pos; curwin->w_cursor = save_pos; } else { end_pos = curwin->w_cursor; // shutup gcc 4 } + // Disable 'hlsearch' highlighting if the pattern matches + // everything. Avoids a flash when typing "foo\|". + if (empty_pattern(ccline.cmdbuff)) { + SET_NO_HLSEARCH(true); + } + validate_cursor(); // May redraw the status line to show the cursor position. if (p_ru && curwin->w_status_height > 0) { @@ -1584,6 +1887,7 @@ static int command_line_changed(CommandLineState *s) save_cmdline(&s->save_ccline); update_screen(SOME_VALID); restore_cmdline(&s->save_ccline); + restore_last_search_pattern(); // Leave it at the end to make CTRL-R CTRL-W work. if (s->i != 0) { @@ -1611,7 +1915,7 @@ static int command_line_changed(CommandLineState *s) emsg_silent--; // Unblock error reporting // Restore the window "view". - curwin->w_cursor = s->old_cursor; + curwin->w_cursor = s->save_cursor; curwin->w_curswant = s->old_curswant; curwin->w_leftcol = s->old_leftcol; curwin->w_topline = s->old_topline; @@ -1630,7 +1934,8 @@ static int command_line_changed(CommandLineState *s) // right-left typing. Not efficient, but it works. // Do it only when there are no characters left to read // to avoid useless intermediate redraws. - if (vpeekc() == NUL) { + // if cmdline is external the ui handles shaping, no redraw needed. + if (!ui_is_external(kUICmdline) && vpeekc() == NUL) { redrawcmd(); } } @@ -1638,6 +1943,18 @@ static int command_line_changed(CommandLineState *s) return 1; } +/// Abandon the command line. +static void abandon_cmdline(void) +{ + xfree(ccline.cmdbuff); + ccline.cmdbuff = NULL; + if (msg_scrolled == 0) { + compute_cmdrow(); + } + MSG(""); + redraw_cmdline = true; +} + /* * getcmdline() - accept a command line starting with firstc. * @@ -1667,41 +1984,54 @@ getcmdline ( return command_line_enter(firstc, count, indent); } -/* - * Get a command line with a prompt. - * This is prepared to be called recursively from getcmdline() (e.g. by - * f_input() when evaluating an expression from CTRL-R =). - * Returns the command line in allocated memory, or NULL. - */ -char_u * -getcmdline_prompt ( - int firstc, - char_u *prompt, /* command line prompt */ - int attr, /* attributes for prompt */ - int xp_context, /* type of expansion */ - char_u *xp_arg /* user-defined expansion argument */ -) +/// Get a command line with a prompt +/// +/// This is prepared to be called recursively from getcmdline() (e.g. by +/// f_input() when evaluating an expression from `<C-r>=`). +/// +/// @param[in] firstc Prompt type: e.g. '@' for input(), '>' for debug. +/// @param[in] prompt Prompt string: what is displayed before the user text. +/// @param[in] attr Prompt highlighting. +/// @param[in] xp_context Type of expansion. +/// @param[in] xp_arg User-defined expansion argument. +/// @param[in] highlight_callback Callback used for highlighting user input. +/// +/// @return [allocated] Command line or NULL. +char *getcmdline_prompt(const char firstc, const char *const prompt, + const int attr, const int xp_context, + const char *const xp_arg, + const Callback highlight_callback) + FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_MALLOC { - char_u *s; - struct cmdline_info save_ccline; - int msg_col_save = msg_col; + const int msg_col_save = msg_col; + struct cmdline_info save_ccline; save_cmdline(&save_ccline); - ccline.cmdprompt = prompt; + + ccline.prompt_id = last_prompt_id++; + ccline.cmdprompt = (char_u *)prompt; ccline.cmdattr = attr; ccline.xp_context = xp_context; - ccline.xp_arg = xp_arg; + ccline.xp_arg = (char_u *)xp_arg; ccline.input_fn = (firstc == '@'); - s = getcmdline(firstc, 1L, 0); + ccline.highlight_callback = highlight_callback; + + int msg_silent_saved = msg_silent; + msg_silent = 0; + + char *const ret = (char *)getcmdline(firstc, 1L, 0); + restore_cmdline(&save_ccline); - /* Restore msg_col, the prompt from input() may have changed it. - * But only if called recursively and the commandline is therefore being - * restored to an old one; if not, the input() prompt stays on the screen, - * so we need its modified msg_col left intact. */ - if (ccline.cmdbuff != NULL) + msg_silent = msg_silent_saved; + // Restore msg_col, the prompt from input() may have changed it. + // But only if called recursively and the commandline is therefore being + // restored to an old one; if not, the input() prompt stays on the screen, + // so we need its modified msg_col left intact. + if (ccline.cmdbuff != NULL) { msg_col = msg_col_save; + } - return s; + return ret; } /* @@ -1898,7 +2228,13 @@ getexmodeline ( /* Get one character at a time. Don't use inchar(), it can't handle * special characters. */ prev_char = c1; - c1 = vgetc(); + + // Check for a ":normal" command and no more characters left. + if (ex_normal_busy > 0 && typebuf.tb_len == 0) { + c1 = '\n'; + } else { + c1 = vgetc(); + } /* * Handle line editing. @@ -2091,6 +2427,18 @@ redraw: return (char_u *)line_ga.ga_data; } +bool cmdline_overstrike(void) +{ + return ccline.overstrike; +} + + +/// Return true if the cursor is at the end of the cmdline. +bool cmdline_at_end(void) +{ + return (ccline.cmdpos >= ccline.cmdlen); +} + /* * Allocate a new command line buffer. * Assigns the new buffer to ccline.cmdbuff and ccline.cmdbufflen. @@ -2150,75 +2498,389 @@ void free_cmdline_buf(void) # endif +enum { MAX_CB_ERRORS = 1 }; + +/// Color expression cmdline using built-in expressions parser +/// +/// @param[in] colored_ccline Command-line to color. +/// @param[out] ret_ccline_colors What should be colored. +/// +/// Always colors the whole cmdline. +static void color_expr_cmdline(const CmdlineInfo *const colored_ccline, + ColoredCmdline *const ret_ccline_colors) + FUNC_ATTR_NONNULL_ALL +{ + ParserLine plines[] = { + { + .data = (const char *)colored_ccline->cmdbuff, + .size = STRLEN(colored_ccline->cmdbuff), + .allocated = false, + }, + { NULL, 0, false }, + }; + ParserLine *plines_p = plines; + ParserHighlight colors; + kvi_init(colors); + ParserState pstate; + viml_parser_init( + &pstate, parser_simple_get_line, &plines_p, &colors); + ExprAST east = viml_pexpr_parse(&pstate, kExprFlagsDisallowEOC); + viml_pexpr_free_ast(east); + viml_parser_destroy(&pstate); + kv_resize(ret_ccline_colors->colors, kv_size(colors)); + size_t prev_end = 0; + for (size_t i = 0 ; i < kv_size(colors) ; i++) { + const ParserHighlightChunk chunk = kv_A(colors, i); + if (chunk.start.col != prev_end) { + kv_push(ret_ccline_colors->colors, ((CmdlineColorChunk) { + .start = prev_end, + .end = chunk.start.col, + .attr = 0, + })); + } + const int id = syn_name2id((const char_u *)chunk.group); + const int attr = (id == 0 ? 0 : syn_id2attr(id)); + kv_push(ret_ccline_colors->colors, ((CmdlineColorChunk) { + .start = chunk.start.col, + .end = chunk.end_col, + .attr = attr, + })); + prev_end = chunk.end_col; + } + if (prev_end < (size_t)colored_ccline->cmdlen) { + kv_push(ret_ccline_colors->colors, ((CmdlineColorChunk) { + .start = prev_end, + .end = (size_t)colored_ccline->cmdlen, + .attr = 0, + })); + } + kvi_destroy(colors); +} + +/// Color command-line +/// +/// Should use built-in command parser or user-specified one. Currently only the +/// latter is supported. +/// +/// @param[in,out] colored_ccline Command-line to color. Also holds a cache: +/// if ->prompt_id and ->cmdbuff values happen +/// to be equal to those from colored_cmdline it +/// will just do nothing, assuming that ->colors +/// already contains needed data. +/// +/// Always colors the whole cmdline. +/// +/// @return true if draw_cmdline may proceed, false if it does not need anything +/// to do. +static bool color_cmdline(CmdlineInfo *colored_ccline) + FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT +{ + bool printed_errmsg = false; + +#define PRINT_ERRMSG(...) \ + do { \ + msg_putchar('\n'); \ + msg_printf_attr(hl_attr(HLF_E)|MSG_HIST, __VA_ARGS__); \ + printed_errmsg = true; \ + } while (0) + bool ret = true; + + ColoredCmdline *ccline_colors = &colored_ccline->last_colors; + + // Check whether result of the previous call is still valid. + if (ccline_colors->prompt_id == colored_ccline->prompt_id + && ccline_colors->cmdbuff != NULL + && STRCMP(ccline_colors->cmdbuff, colored_ccline->cmdbuff) == 0) { + return ret; + } + + kv_size(ccline_colors->colors) = 0; + + if (colored_ccline->cmdbuff == NULL || *colored_ccline->cmdbuff == NUL) { + // Nothing to do, exiting. + xfree(ccline_colors->cmdbuff); + ccline_colors->cmdbuff = NULL; + return ret; + } + + bool arg_allocated = false; + typval_T arg = { + .v_type = VAR_STRING, + .vval.v_string = colored_ccline->cmdbuff, + }; + typval_T tv = { .v_type = VAR_UNKNOWN }; + + static unsigned prev_prompt_id = UINT_MAX; + static int prev_prompt_errors = 0; + Callback color_cb = CALLBACK_NONE; + bool can_free_cb = false; + TryState tstate; + Error err = ERROR_INIT; + const char *err_errmsg = (const char *)e_intern2; + bool dgc_ret = true; + bool tl_ret = true; + + if (colored_ccline->prompt_id != prev_prompt_id) { + prev_prompt_errors = 0; + prev_prompt_id = colored_ccline->prompt_id; + } else if (prev_prompt_errors >= MAX_CB_ERRORS) { + goto color_cmdline_end; + } + if (colored_ccline->highlight_callback.type != kCallbackNone) { + // Currently this should only happen while processing input() prompts. + assert(colored_ccline->input_fn); + color_cb = colored_ccline->highlight_callback; + } else if (colored_ccline->cmdfirstc == ':') { + try_enter(&tstate); + err_errmsg = N_( + "E5408: Unable to get g:Nvim_color_cmdline callback: %s"); + dgc_ret = tv_dict_get_callback(&globvardict, S_LEN("Nvim_color_cmdline"), + &color_cb); + tl_ret = try_leave(&tstate, &err); + can_free_cb = true; + } else if (colored_ccline->cmdfirstc == '=') { + color_expr_cmdline(colored_ccline, ccline_colors); + } + if (!tl_ret || !dgc_ret) { + goto color_cmdline_error; + } + + if (color_cb.type == kCallbackNone) { + goto color_cmdline_end; + } + if (colored_ccline->cmdbuff[colored_ccline->cmdlen] != NUL) { + arg_allocated = true; + arg.vval.v_string = xmemdupz((const char *)colored_ccline->cmdbuff, + (size_t)colored_ccline->cmdlen); + } + // msg_start() called by e.g. :echo may shift command-line to the first column + // even though msg_silent is here. Two ways to workaround this problem without + // altering message.c: use full_screen or save and restore msg_col. + // + // Saving and restoring full_screen does not work well with :redraw!. Saving + // and restoring msg_col is neither ideal, but while with full_screen it + // appears shifted one character to the right and cursor position is no longer + // correct, with msg_col it just misses leading `:`. Since `redraw!` in + // callback lags this is least of the user problems. + // + // Also using try_enter() because error messages may overwrite typed + // command-line which is not expected. + getln_interrupted_highlight = false; + try_enter(&tstate); + err_errmsg = N_("E5407: Callback has thrown an exception: %s"); + const int saved_msg_col = msg_col; + msg_silent++; + const bool cbcall_ret = callback_call(&color_cb, 1, &arg, &tv); + msg_silent--; + msg_col = saved_msg_col; + if (got_int) { + getln_interrupted_highlight = true; + } + if (!try_leave(&tstate, &err) || !cbcall_ret) { + goto color_cmdline_error; + } + if (tv.v_type != VAR_LIST) { + PRINT_ERRMSG(_("E5400: Callback should return list")); + goto color_cmdline_error; + } + if (tv.vval.v_list == NULL) { + goto color_cmdline_end; + } + varnumber_T prev_end = 0; + int i = 0; + TV_LIST_ITER_CONST(tv.vval.v_list, li, { + if (TV_LIST_ITEM_TV(li)->v_type != VAR_LIST) { + PRINT_ERRMSG(_("E5401: List item %i is not a List"), i); + goto color_cmdline_error; + } + const list_T *const l = TV_LIST_ITEM_TV(li)->vval.v_list; + if (tv_list_len(l) != 3) { + PRINT_ERRMSG(_("E5402: List item %i has incorrect length: %li /= 3"), + i, tv_list_len(l)); + goto color_cmdline_error; + } + bool error = false; + const varnumber_T start = ( + tv_get_number_chk(TV_LIST_ITEM_TV(tv_list_first(l)), &error)); + if (error) { + goto color_cmdline_error; + } else if (!(prev_end <= start && start < colored_ccline->cmdlen)) { + PRINT_ERRMSG(_("E5403: Chunk %i start %" PRIdVARNUMBER " not in range " + "[%" PRIdVARNUMBER ", %i)"), + i, start, prev_end, colored_ccline->cmdlen); + goto color_cmdline_error; + } else if (utf8len_tab_zero[(uint8_t)colored_ccline->cmdbuff[start]] == 0) { + PRINT_ERRMSG(_("E5405: Chunk %i start %" PRIdVARNUMBER " splits " + "multibyte character"), i, start); + goto color_cmdline_error; + } + if (start != prev_end) { + kv_push(ccline_colors->colors, ((CmdlineColorChunk) { + .start = prev_end, + .end = start, + .attr = 0, + })); + } + const varnumber_T end = tv_get_number_chk( + TV_LIST_ITEM_TV(TV_LIST_ITEM_NEXT(l, tv_list_first(l))), &error); + if (error) { + goto color_cmdline_error; + } else if (!(start < end && end <= colored_ccline->cmdlen)) { + PRINT_ERRMSG(_("E5404: Chunk %i end %" PRIdVARNUMBER " not in range " + "(%" PRIdVARNUMBER ", %i]"), + i, end, start, colored_ccline->cmdlen); + goto color_cmdline_error; + } else if (end < colored_ccline->cmdlen + && (utf8len_tab_zero[(uint8_t)colored_ccline->cmdbuff[end]] + == 0)) { + PRINT_ERRMSG(_("E5406: Chunk %i end %" PRIdVARNUMBER " splits multibyte " + "character"), i, end); + goto color_cmdline_error; + } + prev_end = end; + const char *const group = tv_get_string_chk( + TV_LIST_ITEM_TV(tv_list_last(l))); + if (group == NULL) { + goto color_cmdline_error; + } + const int id = syn_name2id((char_u *)group); + const int attr = (id == 0 ? 0 : syn_id2attr(id)); + kv_push(ccline_colors->colors, ((CmdlineColorChunk) { + .start = start, + .end = end, + .attr = attr, + })); + i++; + }); + if (prev_end < colored_ccline->cmdlen) { + kv_push(ccline_colors->colors, ((CmdlineColorChunk) { + .start = prev_end, + .end = colored_ccline->cmdlen, + .attr = 0, + })); + } + prev_prompt_errors = 0; +color_cmdline_end: + assert(!ERROR_SET(&err)); + if (can_free_cb) { + callback_free(&color_cb); + } + xfree(ccline_colors->cmdbuff); + // Note: errors “output” is cached just as well as regular results. + ccline_colors->prompt_id = colored_ccline->prompt_id; + if (arg_allocated) { + ccline_colors->cmdbuff = (char *)arg.vval.v_string; + } else { + ccline_colors->cmdbuff = xmemdupz((const char *)colored_ccline->cmdbuff, + (size_t)colored_ccline->cmdlen); + } + tv_clear(&tv); + return ret; +color_cmdline_error: + if (ERROR_SET(&err)) { + PRINT_ERRMSG(_(err_errmsg), err.msg); + api_clear_error(&err); + } + assert(printed_errmsg); + (void)printed_errmsg; + + prev_prompt_errors++; + kv_size(ccline_colors->colors) = 0; + redrawcmdline(); + ret = false; + goto color_cmdline_end; +#undef PRINT_ERRMSG +} + /* * Draw part of the cmdline at the current cursor position. But draw stars * when cmdline_star is TRUE. */ static void draw_cmdline(int start, int len) { - int i; + if (!color_cmdline(&ccline)) { + return; + } - if (cmdline_star > 0) - for (i = 0; i < len; ++i) { + if (ui_is_external(kUICmdline)) { + ccline.special_char = NUL; + ccline.redraw_state = kCmdRedrawAll; + return; + } + + if (cmdline_star > 0) { + for (int i = 0; i < len; i++) { msg_putchar('*'); - if (has_mbyte) + if (has_mbyte) { i += (*mb_ptr2len)(ccline.cmdbuff + start + i) - 1; + } } - else if (p_arshape && !p_tbidi && enc_utf8 && len > 0) { - static int buflen = 0; - char_u *p; - int j; - int newlen = 0; + } else if (p_arshape && !p_tbidi && enc_utf8 && len > 0) { + bool do_arabicshape = false; int mb_l; - int pc, pc1 = 0; - int prev_c = 0; - int prev_c1 = 0; - int u8c; - int u8cc[MAX_MCO]; - int nc = 0; + for (int i = start; i < start + len; i += mb_l) { + char_u *p = ccline.cmdbuff + i; + int u8cc[MAX_MCO]; + int u8c = utfc_ptr2char_len(p, u8cc, start + len - i); + mb_l = utfc_ptr2len_len(p, start + len - i); + if (arabic_char(u8c)) { + do_arabicshape = true; + break; + } + } + if (!do_arabicshape) { + goto draw_cmdline_no_arabicshape; + } - /* - * Do arabic shaping into a temporary buffer. This is very - * inefficient! - */ + static int buflen = 0; + + // Do arabic shaping into a temporary buffer. This is very + // inefficient! if (len * 2 + 2 > buflen) { - /* Re-allocate the buffer. We keep it around to avoid a lot of - * alloc()/free() calls. */ + // Re-allocate the buffer. We keep it around to avoid a lot of + // alloc()/free() calls. xfree(arshape_buf); buflen = len * 2 + 2; arshape_buf = xmalloc(buflen); } + int newlen = 0; if (utf_iscomposing(utf_ptr2char(ccline.cmdbuff + start))) { - /* Prepend a space to draw the leading composing char on. */ + // Prepend a space to draw the leading composing char on. arshape_buf[0] = ' '; newlen = 1; } - for (j = start; j < start + len; j += mb_l) { - p = ccline.cmdbuff + j; - u8c = utfc_ptr2char_len(p, u8cc, start + len - j); - mb_l = utfc_ptr2len_len(p, start + len - j); + int prev_c = 0; + int prev_c1 = 0; + for (int i = start; i < start + len; i += mb_l) { + char_u *p = ccline.cmdbuff + i; + int u8cc[MAX_MCO]; + int u8c = utfc_ptr2char_len(p, u8cc, start + len - i); + mb_l = utfc_ptr2len_len(p, start + len - i); if (arabic_char(u8c)) { - /* Do Arabic shaping. */ + int pc; + int pc1 = 0; + int nc = 0; + // Do Arabic shaping. if (cmdmsg_rl) { - /* displaying from right to left */ + // Displaying from right to left. pc = prev_c; pc1 = prev_c1; prev_c1 = u8cc[0]; - if (j + mb_l >= start + len) + if (i + mb_l >= start + len) { nc = NUL; - else + } else { nc = utf_ptr2char(p + mb_l); + } } else { - /* displaying from left to right */ - if (j + mb_l >= start + len) + // Displaying from left to right. + if (i + mb_l >= start + len) { pc = NUL; - else { + } else { int pcc[MAX_MCO]; - pc = utfc_ptr2char_len(p + mb_l, pcc, - start + len - j - mb_l); + pc = utfc_ptr2char_len(p + mb_l, pcc, start + len - i - mb_l); pc1 = pcc[0]; } nc = prev_c; @@ -2242,8 +2904,147 @@ static void draw_cmdline(int start, int len) } msg_outtrans_len(arshape_buf, newlen); - } else - msg_outtrans_len(ccline.cmdbuff + start, len); + } else { +draw_cmdline_no_arabicshape: + if (kv_size(ccline.last_colors.colors)) { + for (size_t i = 0; i < kv_size(ccline.last_colors.colors); i++) { + CmdlineColorChunk chunk = kv_A(ccline.last_colors.colors, i); + if (chunk.end <= start) { + continue; + } + const int chunk_start = MAX(chunk.start, start); + msg_outtrans_len_attr(ccline.cmdbuff + chunk_start, + chunk.end - chunk_start, + chunk.attr); + } + } else { + msg_outtrans_len(ccline.cmdbuff + start, len); + } + } +} + +static void ui_ext_cmdline_show(CmdlineInfo *line) +{ + Array content = ARRAY_DICT_INIT; + if (cmdline_star) { + size_t len = 0; + for (char_u *p = ccline.cmdbuff; *p; mb_ptr_adv(p)) { + len++; + } + char *buf = xmallocz(len); + memset(buf, '*', len); + Array item = ARRAY_DICT_INIT; + ADD(item, DICTIONARY_OBJ((Dictionary)ARRAY_DICT_INIT)); + ADD(item, STRING_OBJ(((String) { .data = buf, .size = len }))); + ADD(content, ARRAY_OBJ(item)); + } else if (kv_size(line->last_colors.colors)) { + for (size_t i = 0; i < kv_size(line->last_colors.colors); i++) { + CmdlineColorChunk chunk = kv_A(line->last_colors.colors, i); + Array item = ARRAY_DICT_INIT; + + if (chunk.attr) { + HlAttrs *aep = syn_cterm_attr2entry(chunk.attr); + // TODO(bfredl): this desicion could be delayed by making attr_code a + // recognized type + Dictionary rgb_attrs = hlattrs2dict(aep, true); + ADD(item, DICTIONARY_OBJ(rgb_attrs)); + } else { + ADD(item, DICTIONARY_OBJ((Dictionary)ARRAY_DICT_INIT)); + } + ADD(item, STRING_OBJ(cbuf_to_string((char *)line->cmdbuff + chunk.start, + chunk.end-chunk.start))); + ADD(content, ARRAY_OBJ(item)); + } + } else { + Array item = ARRAY_DICT_INIT; + ADD(item, DICTIONARY_OBJ((Dictionary)ARRAY_DICT_INIT)); + ADD(item, STRING_OBJ(cstr_to_string((char *)(line->cmdbuff)))); + ADD(content, ARRAY_OBJ(item)); + } + ui_call_cmdline_show(content, line->cmdpos, + cchar_to_string((char)line->cmdfirstc), + cstr_to_string((char *)(line->cmdprompt)), + line->cmdindent, + line->level); + if (line->special_char) { + ui_call_cmdline_special_char(cchar_to_string((char)(line->special_char)), + line->special_shift, + line->level); + } +} + +void ui_ext_cmdline_block_append(int indent, const char *line) +{ + char *buf = xmallocz(indent + strlen(line)); + memset(buf, ' ', indent); + memcpy(buf + indent, line, strlen(line)); // -V575 + + Array item = ARRAY_DICT_INIT; + ADD(item, DICTIONARY_OBJ((Dictionary)ARRAY_DICT_INIT)); + ADD(item, STRING_OBJ(cstr_as_string(buf))); + Array content = ARRAY_DICT_INIT; + ADD(content, ARRAY_OBJ(item)); + ADD(cmdline_block, ARRAY_OBJ(content)); + if (cmdline_block.size > 1) { + ui_call_cmdline_block_append(copy_array(content)); + } else { + ui_call_cmdline_block_show(copy_array(cmdline_block)); + } +} + +void ui_ext_cmdline_block_leave(void) +{ + api_free_array(cmdline_block); + cmdline_block = (Array)ARRAY_DICT_INIT; + ui_call_cmdline_block_hide(); +} + +/// Extra redrawing needed for redraw! and on ui_attach +/// assumes "redrawcmdline()" will already be invoked +void cmdline_screen_cleared(void) +{ + if (!ui_is_external(kUICmdline)) { + return; + } + + if (cmdline_block.size) { + ui_call_cmdline_block_show(copy_array(cmdline_block)); + } + + int prev_level = ccline.level-1; + CmdlineInfo *prev_ccline = ccline.prev_ccline; + while (prev_level > 0 && prev_ccline) { + if (prev_ccline->level == prev_level) { + // don't redraw a cmdline already shown in the cmdline window + if (prev_level != cmdwin_level) { + prev_ccline->redraw_state = kCmdRedrawAll; + } + prev_level--; + } + prev_ccline = prev_ccline->prev_ccline; + } +} + +/// called by ui_flush, do what redraws neccessary to keep cmdline updated. +void cmdline_ui_flush(void) +{ + if (!ui_is_external(kUICmdline)) { + return; + } + int level = ccline.level; + CmdlineInfo *line = &ccline; + while (level > 0 && line) { + if (line->level == level) { + if (line->redraw_state == kCmdRedrawAll) { + ui_ext_cmdline_show(line); + } else if (line->redraw_state == kCmdRedrawPos) { + ui_call_cmdline_pos(line->cmdpos, line->level); + } + line->redraw_state = kCmdRedrawNone; + level--; + } + line = line->prev_ccline; + } } /* @@ -2253,33 +3054,43 @@ static void draw_cmdline(int start, int len) */ void putcmdline(int c, int shift) { - if (cmd_silent) + if (cmd_silent) { return; - msg_no_more = TRUE; - msg_putchar(c); - if (shift) - draw_cmdline(ccline.cmdpos, ccline.cmdlen - ccline.cmdpos); - msg_no_more = FALSE; + } + if (!ui_is_external(kUICmdline)) { + msg_no_more = true; + msg_putchar(c); + if (shift) { + draw_cmdline(ccline.cmdpos, ccline.cmdlen - ccline.cmdpos); + } + msg_no_more = false; + } else { + ccline.special_char = c; + ccline.special_shift = shift; + if (ccline.redraw_state != kCmdRedrawAll) { + ui_call_cmdline_special_char(cchar_to_string((char)(c)), shift, + ccline.level); + } + } cursorcmd(); + ui_cursor_shape(); } -/* - * Undo a putcmdline(c, FALSE). - */ +/// Undo a putcmdline(c, FALSE). void unputcmdline(void) { - if (cmd_silent) + if (cmd_silent) { return; - msg_no_more = TRUE; - if (ccline.cmdlen == ccline.cmdpos) + } + msg_no_more = true; + if (ccline.cmdlen == ccline.cmdpos && !ui_is_external(kUICmdline)) { msg_putchar(' '); - else if (has_mbyte) - draw_cmdline(ccline.cmdpos, - (*mb_ptr2len)(ccline.cmdbuff + ccline.cmdpos)); - else - draw_cmdline(ccline.cmdpos, 1); - msg_no_more = FALSE; + } else { + draw_cmdline(ccline.cmdpos, mb_ptr2len(ccline.cmdbuff + ccline.cmdpos)); + } + msg_no_more = false; cursorcmd(); + ui_cursor_shape(); } /* @@ -2411,9 +3222,6 @@ void put_on_cmdline(char_u *str, int len, int redraw) msg_check(); } -static struct cmdline_info prev_ccline; -static int prev_ccline_used = FALSE; - /* * Save ccline, because obtaining the "=" register may execute "normal :cmd" * and overwrite it. But get_cmdline_str() may need it, thus make it @@ -2421,15 +3229,12 @@ static int prev_ccline_used = FALSE; */ static void save_cmdline(struct cmdline_info *ccp) { - if (!prev_ccline_used) { - memset(&prev_ccline, 0, sizeof(struct cmdline_info)); - prev_ccline_used = TRUE; - } - *ccp = prev_ccline; - prev_ccline = ccline; + *ccp = ccline; + ccline.prev_ccline = ccp; ccline.cmdbuff = NULL; ccline.cmdprompt = NULL; ccline.xpc = NULL; + ccline.special_char = NUL; } /* @@ -2437,8 +3242,7 @@ static void save_cmdline(struct cmdline_info *ccp) */ static void restore_cmdline(struct cmdline_info *ccp) { - ccline = prev_ccline; - prev_ccline = *ccp; + ccline = *ccp; } /* @@ -2597,6 +3401,7 @@ void redrawcmdline(void) compute_cmdrow(); redrawcmd(); cursorcmd(); + ui_cursor_shape(); } static void redrawcmdprompt(void) @@ -2605,17 +3410,25 @@ static void redrawcmdprompt(void) if (cmd_silent) return; - if (ccline.cmdfirstc != NUL) + if (ui_is_external(kUICmdline)) { + ccline.redraw_state = kCmdRedrawAll; + return; + } + if (ccline.cmdfirstc != NUL) { msg_putchar(ccline.cmdfirstc); + } if (ccline.cmdprompt != NULL) { msg_puts_attr((const char *)ccline.cmdprompt, ccline.cmdattr); ccline.cmdindent = msg_col + (msg_row - cmdline_row) * Columns; - /* do the reverse of set_cmdspos() */ - if (ccline.cmdfirstc != NUL) - --ccline.cmdindent; - } else - for (i = ccline.cmdindent; i > 0; --i) + // do the reverse of set_cmdspos() + if (ccline.cmdfirstc != NUL) { + ccline.cmdindent--; + } + } else { + for (i = ccline.cmdindent; i > 0; i--) { msg_putchar(' '); + } + } } /* @@ -2626,6 +3439,11 @@ void redrawcmd(void) if (cmd_silent) return; + if (ui_is_external(kUICmdline)) { + draw_cmdline(0, ccline.cmdlen); + return; + } + /* when 'incsearch' is set there may be no command line while redrawing */ if (ccline.cmdbuff == NULL) { ui_cursor_goto(cmdline_row, 0); @@ -2669,6 +3487,13 @@ static void cursorcmd(void) if (cmd_silent) return; + if (ui_is_external(kUICmdline)) { + if (ccline.redraw_state < kCmdRedrawPos) { + ccline.redraw_state = kCmdRedrawPos; + } + return; + } + if (cmdmsg_rl) { msg_row = cmdline_row + (ccline.cmdspos / (int)(Columns - 1)); msg_col = (int)Columns - (ccline.cmdspos % (int)(Columns - 1)) - 1; @@ -2686,6 +3511,9 @@ static void cursorcmd(void) void gotocmdline(int clr) { + if (ui_is_external(kUICmdline)) { + return; + } msg_start(); if (cmdmsg_rl) msg_col = Columns - 1; @@ -2753,47 +3581,42 @@ nextwild ( return FAIL; } - MSG_PUTS("..."); /* show that we are busy */ - ui_flush(); + if (!ui_is_external(kUIWildmenu)) { + MSG_PUTS("..."); // show that we are busy + ui_flush(); + } i = (int)(xp->xp_pattern - ccline.cmdbuff); xp->xp_pattern_len = ccline.cmdpos - i; if (type == WILD_NEXT || type == WILD_PREV) { - /* - * Get next/previous match for a previous expanded pattern. - */ + // Get next/previous match for a previous expanded pattern. p2 = ExpandOne(xp, NULL, NULL, 0, type); } else { - /* - * Translate string into pattern and expand it. - */ - if ((p1 = addstar(xp->xp_pattern, xp->xp_pattern_len, - xp->xp_context)) == NULL) - p2 = NULL; - else { - int use_options = options | - WILD_HOME_REPLACE|WILD_ADD_SLASH|WILD_SILENT; - if (escape) - use_options |= WILD_ESCAPE; - - if (p_wic) - use_options += WILD_ICASE; - p2 = ExpandOne(xp, p1, - vim_strnsave(&ccline.cmdbuff[i], xp->xp_pattern_len), - use_options, type); - xfree(p1); - /* longest match: make sure it is not shorter, happens with :help */ - if (p2 != NULL && type == WILD_LONGEST) { - for (j = 0; j < xp->xp_pattern_len; ++j) - if (ccline.cmdbuff[i + j] == '*' - || ccline.cmdbuff[i + j] == '?') - break; - if ((int)STRLEN(p2) < j) { - xfree(p2); - p2 = NULL; + // Translate string into pattern and expand it. + p1 = addstar(xp->xp_pattern, xp->xp_pattern_len, xp->xp_context); + const int use_options = ( + options + | WILD_HOME_REPLACE + | WILD_ADD_SLASH + | WILD_SILENT + | (escape ? WILD_ESCAPE : 0) + | (p_wic ? WILD_ICASE : 0)); + p2 = ExpandOne(xp, p1, vim_strnsave(&ccline.cmdbuff[i], xp->xp_pattern_len), + use_options, type); + xfree(p1); + // Longest match: make sure it is not shorter, happens with :help. + if (p2 != NULL && type == WILD_LONGEST) { + for (j = 0; j < xp->xp_pattern_len; j++) { + if (ccline.cmdbuff[i + j] == '*' + || ccline.cmdbuff[i + j] == '?') { + break; } } + if ((int)STRLEN(p2) < j) { + xfree(p2); + p2 = NULL; + } } } @@ -2907,11 +3730,17 @@ ExpandOne ( else findex = -1; } - if (p_wmnu) - win_redr_status_matches(xp, xp->xp_numfiles, xp->xp_files, - findex, cmd_showtail); - if (findex == -1) + if (p_wmnu) { + if (ui_is_external(kUIWildmenu)) { + ui_call_wildmenu_select(findex); + } else { + win_redr_status_matches(xp, xp->xp_numfiles, xp->xp_files, + findex, cmd_showtail); + } + } + if (findex == -1) { return vim_strsave(orig_save); + } return vim_strsave(xp->xp_files[findex]); } else return NULL; @@ -3018,7 +3847,7 @@ ExpandOne ( || xp->xp_context == EXPAND_FILES || xp->xp_context == EXPAND_SHELLCMD || xp->xp_context == EXPAND_BUFFERS)) { - if (vim_tolower(c0) != vim_tolower(ci)) { + if (mb_tolower(c0) != mb_tolower(ci)) { break; } } else if (c0 != ci) { @@ -3268,6 +4097,15 @@ static int showmatches(expand_T *xp, int wildmenu) showtail = cmd_showtail; } + if (ui_is_external(kUIWildmenu)) { + Array args = ARRAY_DICT_INIT; + for (i = 0; i < num_files; i++) { + ADD(args, STRING_OBJ(cstr_to_string((char *)files_found[i]))); + } + ui_call_wildmenu_show(args); + return EXPAND_OK; + } + if (!wildmenu) { msg_didany = FALSE; /* lines_left will be set */ msg_start(); /* prepare for paging */ @@ -3278,12 +4116,12 @@ static int showmatches(expand_T *xp, int wildmenu) msg_start(); /* prepare for paging */ } - if (got_int) - got_int = FALSE; /* only int. the completion, not the cmd line */ - else if (wildmenu) - win_redr_status_matches(xp, num_files, files_found, 0, showtail); - else { - /* find the length of the longest file name */ + if (got_int) { + got_int = false; // only int. the completion, not the cmd line + } else if (wildmenu) { + win_redr_status_matches(xp, num_files, files_found, -1, showtail); + } else { + // find the length of the longest file name maxlen = 0; for (i = 0; i < num_files; ++i) { if (!showtail && (xp->xp_context == EXPAND_FILES @@ -3477,18 +4315,20 @@ addstar ( * use with vim_regcomp(). First work out how long it will be: */ - /* For help tags the translation is done in find_help_tags(). - * For a tag pattern starting with "/" no translation is needed. */ + // For help tags the translation is done in find_help_tags(). + // For a tag pattern starting with "/" no translation is needed. if (context == EXPAND_HELP + || context == EXPAND_CHECKHEALTH || context == EXPAND_COLORS || context == EXPAND_COMPILER || context == EXPAND_OWNSYNTAX || context == EXPAND_FILETYPE || context == EXPAND_PACKADD - || (context == EXPAND_TAGS && fname[0] == '/')) + || ((context == EXPAND_TAGS_LISTFILES || context == EXPAND_TAGS) + && fname[0] == '/')) { retval = vim_strnsave(fname, len); - else { - new_len = len + 2; /* +2 for '^' at start, NUL at end */ + } else { + new_len = len + 2; // +2 for '^' at start, NUL at end for (i = 0; i < len; i++) { if (fname[i] == '*' || fname[i] == '~') new_len++; /* '*' needs to be replaced by ".*" @@ -3885,6 +4725,10 @@ ExpandFromContext ( char *directories[] = { "syntax", "indent", "ftplugin", NULL }; return ExpandRTDir(pat, 0, num_file, file, directories); } + if (xp->xp_context == EXPAND_CHECKHEALTH) { + char *directories[] = { "autoload/health", NULL }; + return ExpandRTDir(pat, 0, num_file, file, directories); + } if (xp->xp_context == EXPAND_USER_LIST) { return ExpandUserList(xp, num_file, file); } @@ -3915,6 +4759,7 @@ ExpandFromContext ( } tab[] = { { EXPAND_COMMANDS, get_command_name, false, true }, { EXPAND_BEHAVE, get_behave_arg, true, true }, + { EXPAND_MESSAGES, get_messages_arg, true, true }, { EXPAND_HISTORY, get_history_arg, true, true }, { EXPAND_USER_COMMANDS, get_user_commands, false, true }, { EXPAND_USER_ADDR_TYPE, get_user_cmd_addr_type, false, true }, @@ -4004,23 +4849,27 @@ void ExpandGeneric( // copy the matching names into allocated memory count = 0; - for (i = 0;; ++i) { + for (i = 0;; i++) { str = (*func)(xp, i); - if (str == NULL) // end of list + if (str == NULL) { // End of list. break; - if (*str == NUL) // skip empty strings + } + if (*str == NUL) { // Skip empty strings. continue; + } if (vim_regexec(regmatch, str, (colnr_T)0)) { - if (escaped) + if (escaped) { str = vim_strsave_escaped(str, (char_u *)" \t\\."); - else + } else { str = vim_strsave(str); + } (*file)[count++] = str; - if (func == get_menu_names && str != NULL) { - /* test for separator added by get_menu_names() */ + if (func == get_menu_names) { + // Test for separator added by get_menu_names(). str += STRLEN(str) - 1; - if (*str == '\001') + if (*str == '\001') { *str = '.'; + } } } } @@ -4052,7 +4901,7 @@ void ExpandGeneric( /// @param flagsarg is a combination of EW_* flags. static void expand_shellcmd(char_u *filepat, int *num_file, char_u ***file, int flagsarg) - FUNC_ATTR_NONNULL_ALL + FUNC_ATTR_NONNULL_ALL { char_u *pat; int i; @@ -4075,13 +4924,14 @@ static void expand_shellcmd(char_u *filepat, int *num_file, char_u ***file, flags |= EW_FILE | EW_EXEC | EW_SHELLCMD; bool mustfree = false; // Track memory allocation for *path. - /* For an absolute name we don't use $PATH. */ - if (path_is_absolute_path(pat)) + // For an absolute name we don't use $PATH. + if (path_is_absolute(pat)) { path = (char_u *)" "; - else if ((pat[0] == '.' && (vim_ispathsep(pat[1]) - || (pat[1] == '.' && vim_ispathsep(pat[2]))))) + } else if (pat[0] == '.' && (vim_ispathsep(pat[1]) + || (pat[1] == '.' + && vim_ispathsep(pat[2])))) { path = (char_u *)"."; - else { + } else { path = (char_u *)vim_getenv("PATH"); if (path == NULL) { path = (char_u *)""; @@ -4153,10 +5003,8 @@ static void expand_shellcmd(char_u *filepat, int *num_file, char_u ***file, } } -/* - * Call "user_expand_func()" to invoke a user defined VimL function and return - * the result (either a string or a List). - */ +/// Call "user_expand_func()" to invoke a user defined Vim script function and +/// return the result (either a string or a List). static void * call_user_expand_func(user_expand_func_T user_expand_func, expand_T *xp, int *num_file, char_u ***file) { @@ -4248,24 +5096,24 @@ static int ExpandUserDefined(expand_T *xp, regmatch_T *regmatch, int *num_file, */ static int ExpandUserList(expand_T *xp, int *num_file, char_u ***file) { - list_T *retlist; - listitem_T *li; - garray_T ga; - - retlist = call_user_expand_func((user_expand_func_T)call_func_retlist, xp, - num_file, file); + list_T *const retlist = call_user_expand_func( + (user_expand_func_T)call_func_retlist, xp, num_file, file); if (retlist == NULL) { return FAIL; } + garray_T ga; ga_init(&ga, (int)sizeof(char *), 3); - /* Loop over the items in the list. */ - for (li = retlist->lv_first; li != NULL; li = li->li_next) { - if (li->li_tv.v_type != VAR_STRING || li->li_tv.vval.v_string == NULL) - continue; /* Skip non-string items and empty strings */ + // Loop over the items in the list. + TV_LIST_ITER_CONST(retlist, li, { + if (TV_LIST_ITEM_TV(li)->v_type != VAR_STRING + || TV_LIST_ITEM_TV(li)->vval.v_string == NULL) { + continue; // Skip non-string items and empty strings. + } - GA_APPEND(char_u *, &ga, vim_strsave(li->li_tv.vval.v_string)); - } + GA_APPEND(char *, &ga, xstrdup( + (const char *)TV_LIST_ITEM_TV(li)->vval.v_string)); + }); tv_list_unref(retlist); *file = ga.ga_data; @@ -4744,13 +5592,15 @@ int get_history_idx(int histype) */ static struct cmdline_info *get_ccline_ptr(void) { - if ((State & CMDLINE) == 0) + if ((State & CMDLINE) == 0) { return NULL; - if (ccline.cmdbuff != NULL) + } else if (ccline.cmdbuff != NULL) { return &ccline; - if (prev_ccline_used && prev_ccline.cmdbuff != NULL) - return &prev_ccline; - return NULL; + } else if (ccline.prev_ccline && ccline.prev_ccline->cmdbuff != NULL) { + return ccline.prev_ccline; + } else { + return NULL; + } } /* @@ -4983,7 +5833,7 @@ int get_list_range(char_u **str, int *num1, int *num2) { int len; int first = false; - long num; + varnumber_T num; *str = skipwhite(*str); if (**str == '-' || ascii_isdigit(**str)) { // parse "from" part of range @@ -5186,6 +6036,7 @@ static int ex_window(void) return K_IGNORE; } cmdwin_type = get_cmdline_type(); + cmdwin_level = ccline.level; // Create empty command-line buffer. buf_open_scratch(0, "[Command Line]"); @@ -5238,6 +6089,10 @@ static int ex_window(void) curwin->w_cursor.col = ccline.cmdpos; changed_line_abv_curs(); invalidate_botline(); + if (ui_is_external(kUICmdline)) { + ccline.redraw_state = kCmdRedrawNone; + ui_call_cmdline_hide(ccline.level); + } redraw_later(SOME_VALID); // Save the command line info, can be used recursively. @@ -5258,6 +6113,7 @@ static int ex_window(void) i = RedrawingDisabled; RedrawingDisabled = 0; + int save_count = save_batch_count(); /* * Call the main loop until <CR> or CTRL-C is typed. @@ -5266,6 +6122,7 @@ static int ex_window(void) normal_enter(true, false); RedrawingDisabled = i; + restore_batch_count(save_count); int save_KeyTyped = KeyTyped; @@ -5278,6 +6135,7 @@ static int ex_window(void) // Restore the command line info. restore_cmdline(&save_ccline); cmdwin_type = 0; + cmdwin_level = 0; exmode_active = save_exmode; @@ -5360,47 +6218,61 @@ static int ex_window(void) return cmdwin_result; } -/* - * Used for commands that either take a simple command string argument, or: - * cmd << endmarker - * {script} - * endmarker - * Returns a pointer to allocated memory with {script} or NULL. - */ -char_u *script_get(exarg_T *eap, char_u *cmd) +/// Get script string +/// +/// Used for commands which accept either `:command script` or +/// +/// :command << endmarker +/// script +/// endmarker +/// +/// @param eap Command being run. +/// @param[out] lenp Location where length of resulting string is saved. Will +/// be set to zero when skipping. +/// +/// @return [allocated] NULL or script. Does not show any error messages. +/// NULL is returned when skipping and on error. +char *script_get(exarg_T *const eap, size_t *const lenp) + FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_MALLOC { - char_u *theline; - char *end_pattern = NULL; - char dot[] = "."; - garray_T ga; + const char *const cmd = (const char *)eap->arg; - if (cmd[0] != '<' || cmd[1] != '<' || eap->getline == NULL) - return NULL; - - ga_init(&ga, 1, 0x400); + if (cmd[0] != '<' || cmd[1] != '<' || eap->getline == NULL) { + *lenp = STRLEN(eap->arg); + return eap->skip ? NULL : xmemdupz(eap->arg, *lenp); + } - if (cmd[2] != NUL) - end_pattern = (char *)skipwhite(cmd + 2); - else - end_pattern = dot; + garray_T ga = { .ga_data = NULL, .ga_len = 0 }; + if (!eap->skip) { + ga_init(&ga, 1, 0x400); + } - for (;; ) { - theline = eap->getline( + const char *const end_pattern = ( + cmd[2] != NUL + ? (const char *)skipwhite((const char_u *)cmd + 2) + : "."); + for (;;) { + char *const theline = (char *)eap->getline( eap->cstack->cs_looplevel > 0 ? -1 : NUL, eap->cookie, 0); - if (theline == NULL || STRCMP(end_pattern, theline) == 0) { + if (theline == NULL || strcmp(end_pattern, theline) == 0) { xfree(theline); break; } - ga_concat(&ga, theline); - ga_append(&ga, '\n'); + if (!eap->skip) { + ga_concat(&ga, (const char_u *)theline); + ga_append(&ga, '\n'); + } xfree(theline); } - ga_append(&ga, NUL); + *lenp = (size_t)ga.ga_len; // Set length without trailing NUL. + if (!eap->skip) { + ga_append(&ga, NUL); + } - return (char_u *)ga.ga_data; + return (char *)ga.ga_data; } /// Iterate over history items @@ -5486,3 +6358,15 @@ histentry_T *hist_get_array(const uint8_t history_type, int **const new_hisidx, *new_hisnum = &(hisnum[history_type]); return history[history_type]; } + +static void set_search_match(pos_T *t) +{ + // First move cursor to end of match, then to the start. This + // moves the whole match onto the screen when 'nowrap' is set. + t->lnum += search_match_lines; + t->col = search_match_endcol; + if (t->lnum > curbuf->b_ml.ml_line_count) { + t->lnum = curbuf->b_ml.ml_line_count; + coladvance((colnr_T)MAXCOL); + } +} |