diff options
Diffstat (limited to 'src/nvim/ex_getln.c')
-rw-r--r-- | src/nvim/ex_getln.c | 1775 |
1 files changed, 29 insertions, 1746 deletions
diff --git a/src/nvim/ex_getln.c b/src/nvim/ex_getln.c index 4629cb98ea..c14eca6604 100644 --- a/src/nvim/ex_getln.c +++ b/src/nvim/ex_getln.c @@ -12,14 +12,13 @@ #include <string.h> #include "nvim/api/extmark.h" -#include "nvim/api/private/helpers.h" #include "nvim/api/vim.h" #include "nvim/arabic.h" -#include "nvim/arglist.h" #include "nvim/ascii.h" #include "nvim/assert.h" #include "nvim/buffer.h" #include "nvim/charset.h" +#include "nvim/cmdexpand.h" #include "nvim/cmdhist.h" #include "nvim/cursor.h" #include "nvim/cursor_shape.h" @@ -27,11 +26,8 @@ #include "nvim/drawscreen.h" #include "nvim/edit.h" #include "nvim/eval.h" -#include "nvim/eval/funcs.h" -#include "nvim/eval/userfunc.h" #include "nvim/event/loop.h" #include "nvim/ex_cmds.h" -#include "nvim/ex_cmds2.h" #include "nvim/ex_docmd.h" #include "nvim/ex_eval.h" #include "nvim/ex_getln.h" @@ -41,23 +37,19 @@ #include "nvim/getchar.h" #include "nvim/globals.h" #include "nvim/grid.h" -#include "nvim/help.h" #include "nvim/highlight.h" #include "nvim/highlight_defs.h" #include "nvim/highlight_group.h" -#include "nvim/if_cscope.h" #include "nvim/indent.h" #include "nvim/keycodes.h" #include "nvim/lib/kvec.h" #include "nvim/log.h" -#include "nvim/lua/executor.h" #include "nvim/main.h" #include "nvim/mapping.h" #include "nvim/mark.h" #include "nvim/mbyte.h" #include "nvim/memline.h" #include "nvim/memory.h" -#include "nvim/menu.h" #include "nvim/message.h" #include "nvim/mouse.h" #include "nvim/move.h" @@ -65,87 +57,22 @@ #include "nvim/option.h" #include "nvim/optionstr.h" #include "nvim/os/input.h" -#include "nvim/os/os.h" #include "nvim/os/time.h" -#include "nvim/os_unix.h" #include "nvim/path.h" #include "nvim/popupmenu.h" #include "nvim/profile.h" #include "nvim/regexp.h" #include "nvim/search.h" -#include "nvim/sign.h" #include "nvim/state.h" #include "nvim/strings.h" -#include "nvim/syntax.h" -#include "nvim/tag.h" #include "nvim/ui.h" #include "nvim/undo.h" +#include "nvim/usercmd.h" #include "nvim/vim.h" #include "nvim/viml/parser/expressions.h" #include "nvim/viml/parser/parser.h" #include "nvim/window.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. -// These need to be saved when using CTRL-R |, that's why they are in a -// 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 - 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; @@ -227,38 +154,28 @@ typedef struct cmdpreview_info { garray_T save_view; } CpInfo; -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(). -static struct cmdline_info ccline; - -static int cmd_showtail; // Only show path tail in lists ? +static CmdlineInfo ccline; 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 - */ -typedef void *(*user_expand_func_T)(const char_u *, int, typval_T *); - /// 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; -// "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; -// First column in cmdline of the matched item for completion. -static int compl_startcol; -static int compl_selected; +// TODO(zeertzjq): make these four variables static in cmdexpand.c + +extern pumitem_T *compl_match_array; +extern int compl_match_arraysize; +extern int compl_startcol; +extern int compl_selected; #ifdef INCLUDE_GENERATED_DECLARATIONS # include "ex_getln.c.generated.h" @@ -304,32 +221,6 @@ static void init_incsearch_state(incsearch_state_T *s) save_viewstate(curwin, &s->old_viewstate); } -/// Completion for |:checkhealth| command. -/// -/// Given to ExpandGeneric() to obtain all available heathcheck names. -/// @param[in] idx Index of the healthcheck item. -/// @param[in] xp Not used. -static char *get_healthcheck_names(expand_T *xp, int idx) -{ - static Object names = OBJECT_INIT; - static unsigned last_gen = 0; - - if (last_gen != last_prompt_id || last_gen == 0) { - Array a = ARRAY_DICT_INIT; - Error err = ERROR_INIT; - Object res = nlua_exec(STATIC_CSTR_AS_STRING("return vim.health._complete()"), a, &err); - api_clear_error(&err); - api_free_object(names); - names = res; - last_gen = last_prompt_id; - } - - if (names.type == kObjectTypeArray && idx < (int)names.data.array.size) { - return names.data.array.items[idx].data.string.data; - } - return NULL; -} - // Return true when 'incsearch' highlighting is to be done. // Sets search_first_line and search_last_line to the address range. static bool do_incsearch_highlighting(int firstc, int *search_delim, incsearch_state_T *s, @@ -2895,7 +2786,7 @@ static int cmd_startcol(void) } /// Compute the column position for a byte position on the command line. -static int cmd_screencol(int bytepos) +int cmd_screencol(int bytepos) { int m; // maximum column @@ -2982,10 +2873,8 @@ static void alloc_cmdbuff(int len) ccline.cmdbufflen = len; } -/* - * Re-allocate the command line to length len + something extra. - */ -static void realloc_cmdbuff(int len) +/// Re-allocate the command line to length len + something extra. +void realloc_cmdbuff(int len) { if (len < ccline.cmdbufflen) { return; // no need to resize @@ -3742,7 +3631,7 @@ void put_on_cmdline(char_u *str, int len, int redraw) /// Save ccline, because obtaining the "=" register may execute "normal :cmd" /// and overwrite it. -static void save_cmdline(struct cmdline_info *ccp) +static void save_cmdline(CmdlineInfo *ccp) { *ccp = ccline; CLEAR_FIELD(ccline); @@ -3751,7 +3640,7 @@ static void save_cmdline(struct cmdline_info *ccp) } /// Restore ccline after it has been saved with save_cmdline(). -static void restore_cmdline(struct cmdline_info *ccp) +static void restore_cmdline(CmdlineInfo *ccp) FUNC_ATTR_NONNULL_ALL { ccline = *ccp; @@ -3977,7 +3866,7 @@ void compute_cmdrow(void) lines_left = cmdline_row; } -static void cursorcmd(void) +void cursorcmd(void) { if (cmd_silent) { return; @@ -4064,462 +3953,6 @@ static int ccheck_abbr(int c) return check_abbr(c, ccline.cmdbuff, ccline.cmdpos, spos); } -static int sort_func_compare(const void *s1, const void *s2) -{ - char_u *p1 = *(char_u **)s1; - char_u *p2 = *(char_u **)s2; - - if (*p1 != '<' && *p2 == '<') { - return -1; - } - if (*p1 == '<' && *p2 != '<') { - return 1; - } - return STRCMP(p1, p2); -} - -/// Return FAIL if this is not an appropriate context in which to do -/// completion of anything, return OK if it is (even if there are no matches). -/// For the caller, this means that the character is just passed through like a -/// normal character (instead of being expanded). This allows :s/^I^D etc. -/// -/// @param options extra options for ExpandOne() -/// @param escape if TRUE, escape the returned matches -static int nextwild(expand_T *xp, int type, int options, int escape) -{ - int i, j; - char_u *p1; - char_u *p2; - int difflen; - - if (xp->xp_numfiles == -1) { - set_expand_context(xp); - cmd_showtail = expand_showtail(xp); - } - - if (xp->xp_context == EXPAND_UNSUCCESSFUL) { - beep_flush(); - return OK; // Something illegal on command line - } - if (xp->xp_context == EXPAND_NOTHING) { - // Caller can use the character as a normal char instead - return FAIL; - } - - if (!(ui_has(kUICmdline) || ui_has(kUIWildmenu))) { - msg_puts("..."); // show that we are busy - ui_flush(); - } - - i = (int)((char_u *)xp->xp_pattern - ccline.cmdbuff); - assert(ccline.cmdpos >= i); - xp->xp_pattern_len = (size_t)ccline.cmdpos - (size_t)i; - - if (type == WILD_NEXT || type == WILD_PREV) { - // Get next/previous match for a previous expanded pattern. - p2 = ExpandOne(xp, NULL, NULL, 0, type); - } else { - // Translate string into pattern and expand it. - p1 = addstar((char_u *)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); - - // xp->xp_pattern might have been modified by ExpandOne (for example, - // in lua completion), so recompute the pattern index and length - i = (int)((char_u *)xp->xp_pattern - ccline.cmdbuff); - xp->xp_pattern_len = (size_t)ccline.cmdpos - (size_t)i; - - // Longest match: make sure it is not shorter, happens with :help. - if (p2 != NULL && type == WILD_LONGEST) { - for (j = 0; (size_t)j < xp->xp_pattern_len; j++) { - if (ccline.cmdbuff[i + j] == '*' - || ccline.cmdbuff[i + j] == '?') { - break; - } - } - if ((int)STRLEN(p2) < j) { - XFREE_CLEAR(p2); - } - } - } - - if (p2 != NULL && !got_int) { - difflen = (int)STRLEN(p2) - (int)(xp->xp_pattern_len); - if (ccline.cmdlen + difflen + 4 > ccline.cmdbufflen) { - realloc_cmdbuff(ccline.cmdlen + difflen + 4); - xp->xp_pattern = (char *)ccline.cmdbuff + i; - } - assert(ccline.cmdpos <= ccline.cmdlen); - memmove(&ccline.cmdbuff[ccline.cmdpos + difflen], - &ccline.cmdbuff[ccline.cmdpos], - (size_t)ccline.cmdlen - (size_t)ccline.cmdpos + 1); - memmove(&ccline.cmdbuff[i], p2, STRLEN(p2)); - ccline.cmdlen += difflen; - ccline.cmdpos += difflen; - } - xfree(p2); - - redrawcmd(); - cursorcmd(); - - /* When expanding a ":map" command and no matches are found, assume that - * the key is supposed to be inserted literally */ - if (xp->xp_context == EXPAND_MAPPINGS && p2 == NULL) { - return FAIL; - } - - if (xp->xp_numfiles <= 0 && p2 == NULL) { - beep_flush(); - } else if (xp->xp_numfiles == 1) { - // free expanded pattern - (void)ExpandOne(xp, NULL, NULL, 0, WILD_FREE); - } - - return OK; -} - -/// Do wildcard expansion on the string 'str'. -/// Chars that should not be expanded must be preceded with a backslash. -/// Return a pointer to allocated memory containing the new string. -/// Return NULL for failure. -/// -/// "orig" is the originally expanded string, copied to allocated memory. It -/// should either be kept in orig_save or freed. When "mode" is WILD_NEXT or -/// WILD_PREV "orig" should be NULL. -/// -/// Results are cached in xp->xp_files and xp->xp_numfiles, except when "mode" -/// is WILD_EXPAND_FREE or WILD_ALL. -/// -/// mode = WILD_FREE: just free previously expanded matches -/// mode = WILD_EXPAND_FREE: normal expansion, do not keep matches -/// mode = WILD_EXPAND_KEEP: normal expansion, keep matches -/// mode = WILD_NEXT: use next match in multiple match, wrap to first -/// mode = WILD_PREV: use previous match in multiple match, wrap to first -/// mode = WILD_ALL: return all matches concatenated -/// mode = WILD_LONGEST: return longest matched part -/// mode = WILD_ALL_KEEP: get all matches, keep matches -/// -/// options = WILD_LIST_NOTFOUND: list entries without a match -/// options = WILD_HOME_REPLACE: do home_replace() for buffer names -/// options = WILD_USE_NL: Use '\n' for WILD_ALL -/// options = WILD_NO_BEEP: Don't beep for multiple matches -/// options = WILD_ADD_SLASH: add a slash after directory names -/// options = WILD_KEEP_ALL: don't remove 'wildignore' entries -/// options = WILD_SILENT: don't print warning messages -/// options = WILD_ESCAPE: put backslash before special chars -/// options = WILD_ICASE: ignore case for files -/// -/// The variables xp->xp_context and xp->xp_backslash must have been set! -/// -/// @param orig allocated copy of original of expanded string -char_u *ExpandOne(expand_T *xp, char_u *str, char_u *orig, int options, int mode) -{ - char_u *ss = NULL; - static int findex; - static char_u *orig_save = NULL; // kept value of orig - int orig_saved = FALSE; - int i; - int non_suf_match; // number without matching suffix - - /* - * first handle the case of using an old match - */ - if (mode == WILD_NEXT || mode == WILD_PREV) { - if (xp->xp_numfiles > 0) { - if (mode == WILD_PREV) { - if (findex == -1) { - findex = xp->xp_numfiles; - } - findex--; - } else { // mode == WILD_NEXT - findex++; - } - - /* - * When wrapping around, return the original string, set findex to - * -1. - */ - if (findex < 0) { - if (orig_save == NULL) { - findex = xp->xp_numfiles - 1; - } else { - findex = -1; - } - } - if (findex >= xp->xp_numfiles) { - if (orig_save == NULL) { - findex = 0; - } else { - findex = -1; - } - } - if (compl_match_array) { - compl_selected = findex; - cmdline_pum_display(false); - } else if (p_wmnu) { - redraw_wildmenu(xp, xp->xp_numfiles, xp->xp_files, findex, cmd_showtail); - } - if (findex == -1) { - return vim_strsave(orig_save); - } - return vim_strsave((char_u *)xp->xp_files[findex]); - } else { - return NULL; - } - } - - if (mode == WILD_CANCEL) { - ss = vim_strsave(orig_save ? orig_save : (char_u *)""); - } else if (mode == WILD_APPLY) { - ss = vim_strsave(findex == -1 ? (orig_save ? orig_save : (char_u *)"") : - (char_u *)xp->xp_files[findex]); - } - - // free old names - if (xp->xp_numfiles != -1 && mode != WILD_ALL && mode != WILD_LONGEST) { - FreeWild(xp->xp_numfiles, xp->xp_files); - xp->xp_numfiles = -1; - XFREE_CLEAR(orig_save); - } - findex = 0; - - if (mode == WILD_FREE) { // only release file name - return NULL; - } - - if (xp->xp_numfiles == -1 && mode != WILD_APPLY && mode != WILD_CANCEL) { - xfree(orig_save); - orig_save = orig; - orig_saved = TRUE; - - /* - * Do the expansion. - */ - if (ExpandFromContext(xp, str, &xp->xp_numfiles, &xp->xp_files, options) == FAIL) { -#ifdef FNAME_ILLEGAL - /* Illegal file name has been silently skipped. But when there - * are wildcards, the real problem is that there was no match, - * causing the pattern to be added, which has illegal characters. - */ - if (!(options & WILD_SILENT) && (options & WILD_LIST_NOTFOUND)) { - semsg(_(e_nomatch2), str); - } -#endif - } else if (xp->xp_numfiles == 0) { - if (!(options & WILD_SILENT)) { - semsg(_(e_nomatch2), str); - } - } else { - // Escape the matches for use on the command line. - ExpandEscape(xp, str, xp->xp_numfiles, xp->xp_files, options); - - /* - * Check for matching suffixes in file names. - */ - if (mode != WILD_ALL && mode != WILD_ALL_KEEP - && mode != WILD_LONGEST) { - if (xp->xp_numfiles) { - non_suf_match = xp->xp_numfiles; - } else { - non_suf_match = 1; - } - if ((xp->xp_context == EXPAND_FILES - || xp->xp_context == EXPAND_DIRECTORIES) - && xp->xp_numfiles > 1) { - /* - * More than one match; check suffix. - * The files will have been sorted on matching suffix in - * expand_wildcards, only need to check the first two. - */ - non_suf_match = 0; - for (i = 0; i < 2; i++) { - if (match_suffix((char_u *)xp->xp_files[i])) { - non_suf_match++; - } - } - } - if (non_suf_match != 1) { - /* Can we ever get here unless it's while expanding - * interactively? If not, we can get rid of this all - * together. Don't really want to wait for this message - * (and possibly have to hit return to continue!). - */ - if (!(options & WILD_SILENT)) { - emsg(_(e_toomany)); - } else if (!(options & WILD_NO_BEEP)) { - beep_flush(); - } - } - if (!(non_suf_match != 1 && mode == WILD_EXPAND_FREE)) { - ss = vim_strsave((char_u *)xp->xp_files[0]); - } - } - } - } - - // Find longest common part - if (mode == WILD_LONGEST && xp->xp_numfiles > 0) { - size_t len = 0; - - for (size_t mb_len; xp->xp_files[0][len]; len += mb_len) { - mb_len = (size_t)utfc_ptr2len(&xp->xp_files[0][len]); - int c0 = utf_ptr2char(&xp->xp_files[0][len]); - for (i = 1; i < xp->xp_numfiles; i++) { - int ci = utf_ptr2char(&xp->xp_files[i][len]); - - if (p_fic && (xp->xp_context == EXPAND_DIRECTORIES - || xp->xp_context == EXPAND_FILES - || xp->xp_context == EXPAND_SHELLCMD - || xp->xp_context == EXPAND_BUFFERS)) { - if (mb_tolower(c0) != mb_tolower(ci)) { - break; - } - } else if (c0 != ci) { - break; - } - } - if (i < xp->xp_numfiles) { - if (!(options & WILD_NO_BEEP)) { - vim_beep(BO_WILD); - } - break; - } - } - - ss = (char_u *)xstrndup(xp->xp_files[0], len); - findex = -1; // next p_wc gets first one - } - - // Concatenate all matching names - // TODO(philix): use xstpcpy instead of strcat in a loop (ExpandOne) - if (mode == WILD_ALL && xp->xp_numfiles > 0) { - size_t len = 0; - for (i = 0; i < xp->xp_numfiles; ++i) { - len += STRLEN(xp->xp_files[i]) + 1; - } - ss = xmalloc(len); - *ss = NUL; - for (i = 0; i < xp->xp_numfiles; ++i) { - STRCAT(ss, xp->xp_files[i]); - if (i != xp->xp_numfiles - 1) { - STRCAT(ss, (options & WILD_USE_NL) ? "\n" : " "); - } - } - } - - if (mode == WILD_EXPAND_FREE || mode == WILD_ALL) { - ExpandCleanup(xp); - } - - // Free "orig" if it wasn't stored in "orig_save". - if (!orig_saved) { - xfree(orig); - } - - return ss; -} - -/* - * Prepare an expand structure for use. - */ -void ExpandInit(expand_T *xp) - FUNC_ATTR_NONNULL_ALL -{ - CLEAR_POINTER(xp); - xp->xp_backslash = XP_BS_NONE; - xp->xp_numfiles = -1; -} - -/* - * Cleanup an expand structure after use. - */ -void ExpandCleanup(expand_T *xp) -{ - if (xp->xp_numfiles >= 0) { - FreeWild(xp->xp_numfiles, xp->xp_files); - xp->xp_numfiles = -1; - } -} - -void ExpandEscape(expand_T *xp, char_u *str, int numfiles, char **files, int options) -{ - int i; - char_u *p; - const int vse_what = xp->xp_context == EXPAND_BUFFERS ? VSE_BUFFER : VSE_NONE; - - /* - * May change home directory back to "~" - */ - if (options & WILD_HOME_REPLACE) { - tilde_replace(str, numfiles, files); - } - - if (options & WILD_ESCAPE) { - if (xp->xp_context == EXPAND_FILES - || xp->xp_context == EXPAND_FILES_IN_PATH - || xp->xp_context == EXPAND_SHELLCMD - || xp->xp_context == EXPAND_BUFFERS - || xp->xp_context == EXPAND_DIRECTORIES) { - /* - * Insert a backslash into a file name before a space, \, %, # - * and wildmatch characters, except '~'. - */ - for (i = 0; i < numfiles; ++i) { - // for ":set path=" we need to escape spaces twice - if (xp->xp_backslash == XP_BS_THREE) { - p = vim_strsave_escaped((char_u *)files[i], (char_u *)" "); - xfree(files[i]); - files[i] = (char *)p; -#if defined(BACKSLASH_IN_FILENAME) - p = vim_strsave_escaped(files[i], (char_u *)" "); - xfree(files[i]); - files[i] = p; -#endif - } -#ifdef BACKSLASH_IN_FILENAME - p = (char_u *)vim_strsave_fnameescape((const char *)files[i], vse_what); -#else - p = (char_u *)vim_strsave_fnameescape((const char *)files[i], - xp->xp_shell ? VSE_SHELL : vse_what); -#endif - xfree(files[i]); - files[i] = (char *)p; - - /* If 'str' starts with "\~", replace "~" at start of - * files[i] with "\~". */ - if (str[0] == '\\' && str[1] == '~' && files[i][0] == '~') { - escape_fname(&files[i]); - } - } - xp->xp_backslash = XP_BS_NONE; - - /* If the first file starts with a '+' escape it. Otherwise it - * could be seen as "+cmd". */ - if (*files[0] == '+') { - escape_fname(&files[0]); - } - } else if (xp->xp_context == EXPAND_TAGS) { - /* - * Insert a backslash before characters in a tag name that - * would terminate the ":tag" command. - */ - for (i = 0; i < numfiles; i++) { - p = vim_strsave_escaped((char_u *)files[i], (char_u *)"\\|\""); - xfree(files[i]); - files[i] = (char *)p; - } - } - } -} - /// Escape special characters in "fname", depending on "what": /// /// @param[in] fname File name to escape. @@ -4576,10 +4009,8 @@ char *vim_strsave_fnameescape(const char *const fname, const int what) return p; } -/* - * Put a backslash before the file name in "pp", which is in allocated memory. - */ -static void escape_fname(char **pp) +/// Put a backslash before the file name in "pp", which is in allocated memory. +void escape_fname(char **pp) { char_u *p = xmalloc(STRLEN(*pp) + 2); p[0] = '\\'; @@ -4603,1168 +4034,20 @@ void tilde_replace(char_u *orig_pat, int num_files, char **files) } } -void cmdline_pum_display(bool changed_array) -{ - pum_display(compl_match_array, compl_match_arraysize, compl_selected, - changed_array, compl_startcol); -} - -/* - * Show all matches for completion on the command line. - * Returns EXPAND_NOTHING when the character that triggered expansion should - * be inserted like a normal character. - */ -static int showmatches(expand_T *xp, int wildmenu) -{ -#define L_SHOWFILE(m) (showtail \ - ? sm_gettail(files_found[m], false) : files_found[m]) - int num_files; - char **files_found; - int i, j, k; - int maxlen; - int lines; - int columns; - char_u *p; - int lastlen; - int attr; - int showtail; - - if (xp->xp_numfiles == -1) { - set_expand_context(xp); - i = expand_cmdline(xp, ccline.cmdbuff, ccline.cmdpos, - &num_files, &files_found); - showtail = expand_showtail(xp); - if (i != EXPAND_OK) { - return i; - } - } else { - num_files = xp->xp_numfiles; - files_found = xp->xp_files; - showtail = cmd_showtail; - } - - bool compl_use_pum = (ui_has(kUICmdline) - ? ui_has(kUIPopupmenu) - : wildmenu && (wop_flags & WOP_PUM)) - || ui_has(kUIWildmenu); - - if (compl_use_pum) { - assert(num_files >= 0); - compl_match_arraysize = num_files; - compl_match_array = xcalloc((size_t)compl_match_arraysize, - sizeof(pumitem_T)); - for (i = 0; i < num_files; i++) { - compl_match_array[i].pum_text = (char_u *)L_SHOWFILE(i); - } - char_u *endpos = (char_u *)(showtail ? sm_gettail(xp->xp_pattern, true) : xp->xp_pattern); - if (ui_has(kUICmdline)) { - compl_startcol = (int)(endpos - ccline.cmdbuff); - } else { - compl_startcol = cmd_screencol((int)(endpos - ccline.cmdbuff)); - } - compl_selected = -1; - cmdline_pum_display(true); - return EXPAND_OK; - } - - if (!wildmenu) { - msg_didany = false; // lines_left will be set - msg_start(); // prepare for paging - msg_putchar('\n'); - ui_flush(); - cmdline_row = msg_row; - msg_didany = false; // lines_left will be set again - msg_start(); // prepare for paging - } - - if (got_int) { - got_int = false; // only int. the completion, not the cmd line - } else if (wildmenu) { - redraw_wildmenu(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 - || xp->xp_context == EXPAND_SHELLCMD - || xp->xp_context == EXPAND_BUFFERS)) { - home_replace(NULL, files_found[i], (char *)NameBuff, MAXPATHL, true); - j = vim_strsize((char *)NameBuff); - } else { - j = vim_strsize(L_SHOWFILE(i)); - } - if (j > maxlen) { - maxlen = j; - } - } - - if (xp->xp_context == EXPAND_TAGS_LISTFILES) { - lines = num_files; - } else { - // compute the number of columns and lines for the listing - maxlen += 2; // two spaces between file names - columns = (Columns + 2) / maxlen; - if (columns < 1) { - columns = 1; - } - lines = (num_files + columns - 1) / columns; - } - - attr = HL_ATTR(HLF_D); // find out highlighting for directories - - if (xp->xp_context == EXPAND_TAGS_LISTFILES) { - msg_puts_attr(_("tagname"), HL_ATTR(HLF_T)); - msg_clr_eos(); - msg_advance(maxlen - 3); - msg_puts_attr(_(" kind file\n"), HL_ATTR(HLF_T)); - } - - // list the files line by line - for (i = 0; i < lines; ++i) { - lastlen = 999; - for (k = i; k < num_files; k += lines) { - if (xp->xp_context == EXPAND_TAGS_LISTFILES) { - msg_outtrans_attr((char_u *)files_found[k], HL_ATTR(HLF_D)); - p = (char_u *)files_found[k] + STRLEN(files_found[k]) + 1; - msg_advance(maxlen + 1); - msg_puts((const char *)p); - msg_advance(maxlen + 3); - msg_outtrans_long_attr(p + 2, HL_ATTR(HLF_D)); - break; - } - for (j = maxlen - lastlen; --j >= 0;) { - msg_putchar(' '); - } - if (xp->xp_context == EXPAND_FILES - || xp->xp_context == EXPAND_SHELLCMD - || xp->xp_context == EXPAND_BUFFERS) { - // highlight directories - if (xp->xp_numfiles != -1) { - // Expansion was done before and special characters - // were escaped, need to halve backslashes. Also - // $HOME has been replaced with ~/. - char_u *exp_path = expand_env_save_opt((char_u *)files_found[k], true); - char_u *path = exp_path != NULL ? exp_path : (char_u *)files_found[k]; - char_u *halved_slash = backslash_halve_save(path); - j = os_isdir(halved_slash); - xfree(exp_path); - if (halved_slash != path) { - xfree(halved_slash); - } - } else { - // Expansion was done here, file names are literal. - j = os_isdir((char_u *)files_found[k]); - } - if (showtail) { - p = (char_u *)L_SHOWFILE(k); - } else { - home_replace(NULL, files_found[k], (char *)NameBuff, MAXPATHL, true); - p = NameBuff; - } - } else { - j = false; - p = (char_u *)L_SHOWFILE(k); - } - lastlen = msg_outtrans_attr(p, j ? attr : 0); - } - if (msg_col > 0) { // when not wrapped around - msg_clr_eos(); - msg_putchar('\n'); - } - ui_flush(); // show one line at a time - if (got_int) { - got_int = FALSE; - break; - } - } - - /* - * we redraw the command below the lines that we have just listed - * This is a bit tricky, but it saves a lot of screen updating. - */ - cmdline_row = msg_row; // will put it back later - } - - if (xp->xp_numfiles == -1) { - FreeWild(num_files, files_found); - } - - return EXPAND_OK; -} - -/// Private path_tail for showmatches() (and redraw_wildmenu()): -/// Find tail of file name path, but ignore trailing "/". -char *sm_gettail(char *s, bool eager) -{ - char_u *p; - char_u *t = (char_u *)s; - int had_sep = false; - - for (p = (char_u *)s; *p != NUL;) { - if (vim_ispathsep(*p) -#ifdef BACKSLASH_IN_FILENAME - && !rem_backslash(p) -#endif - ) { - if (eager) { - t = p + 1; - } else { - had_sep = true; - } - } else if (had_sep) { - t = p; - had_sep = FALSE; - } - MB_PTR_ADV(p); - } - return (char *)t; -} - -/* - * Return TRUE if we only need to show the tail of completion matches. - * When not completing file names or there is a wildcard in the path FALSE is - * returned. - */ -static int expand_showtail(expand_T *xp) -{ - char_u *s; - char_u *end; - - // When not completing file names a "/" may mean something different. - if (xp->xp_context != EXPAND_FILES - && xp->xp_context != EXPAND_SHELLCMD - && xp->xp_context != EXPAND_DIRECTORIES) { - return FALSE; - } - - end = (char_u *)path_tail(xp->xp_pattern); - if (end == (char_u *)xp->xp_pattern) { // there is no path separator - return false; - } - - for (s = (char_u *)xp->xp_pattern; s < end; s++) { - // Skip escaped wildcards. Only when the backslash is not a path - // separator, on DOS the '*' "path\*\file" must not be skipped. - if (rem_backslash(s)) { - s++; - } else if (vim_strchr("*?[", *s) != NULL) { - return false; - } - } - return TRUE; -} - -/// Prepare a string for expansion. -/// -/// When expanding file names: The string will be used with expand_wildcards(). -/// Copy "fname[len]" into allocated memory and add a '*' at the end. -/// When expanding other names: The string will be used with regcomp(). Copy -/// the name into allocated memory and prepend "^". -/// -/// @param context EXPAND_FILES etc. -char_u *addstar(char_u *fname, size_t len, int context) - FUNC_ATTR_NONNULL_RET -{ - char_u *retval; - size_t i, j; - size_t new_len; - char_u *tail; - int ends_in_star; - - if (context != EXPAND_FILES - && context != EXPAND_FILES_IN_PATH - && context != EXPAND_SHELLCMD - && context != EXPAND_DIRECTORIES) { - /* - * Matching will be done internally (on something other than files). - * So we convert the file-matching-type wildcards into our kind for - * 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. - 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_LISTFILES || context == EXPAND_TAGS) - && fname[0] == '/')) { - retval = vim_strnsave(fname, len); - } 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 ".*" - '~' needs to be replaced by "\~" */ - } - // Buffer names are like file names. "." should be literal - if (context == EXPAND_BUFFERS && fname[i] == '.') { - new_len++; // "." becomes "\." - } - /* Custom expansion takes care of special things, match - * backslashes literally (perhaps also for other types?) */ - if ((context == EXPAND_USER_DEFINED - || context == EXPAND_USER_LIST) && fname[i] == '\\') { - new_len++; // '\' becomes "\\" - } - } - retval = xmalloc(new_len); - { - retval[0] = '^'; - j = 1; - for (i = 0; i < len; i++, j++) { - /* Skip backslash. But why? At least keep it for custom - * expansion. */ - if (context != EXPAND_USER_DEFINED - && context != EXPAND_USER_LIST - && fname[i] == '\\' - && ++i == len) { - break; - } - - switch (fname[i]) { - case '*': - retval[j++] = '.'; - break; - case '~': - retval[j++] = '\\'; - break; - case '?': - retval[j] = '.'; - continue; - case '.': - if (context == EXPAND_BUFFERS) { - retval[j++] = '\\'; - } - break; - case '\\': - if (context == EXPAND_USER_DEFINED - || context == EXPAND_USER_LIST) { - retval[j++] = '\\'; - } - break; - } - retval[j] = fname[i]; - } - retval[j] = NUL; - } - } - } else { - retval = xmalloc(len + 4); - STRLCPY(retval, fname, len + 1); - - /* - * Don't add a star to *, ~, ~user, $var or `cmd`. - * * would become **, which walks the whole tree. - * ~ would be at the start of the file name, but not the tail. - * $ could be anywhere in the tail. - * ` could be anywhere in the file name. - * When the name ends in '$' don't add a star, remove the '$'. - */ - tail = (char_u *)path_tail((char *)retval); - ends_in_star = (len > 0 && retval[len - 1] == '*'); -#ifndef BACKSLASH_IN_FILENAME - for (ssize_t k = (ssize_t)len - 2; k >= 0; k--) { - if (retval[k] != '\\') { - break; - } - ends_in_star = !ends_in_star; - } -#endif - if ((*retval != '~' || tail != retval) - && !ends_in_star - && vim_strchr((char *)tail, '$') == NULL - && vim_strchr((char *)retval, '`') == NULL) { - retval[len++] = '*'; - } else if (len > 0 && retval[len - 1] == '$') { - len--; - } - retval[len] = NUL; - } - return retval; -} - -/* - * Must parse the command line so far to work out what context we are in. - * Completion can then be done based on that context. - * This routine sets the variables: - * xp->xp_pattern The start of the pattern to be expanded within - * the command line (ends at the cursor). - * xp->xp_context The type of thing to expand. Will be one of: - * - * EXPAND_UNSUCCESSFUL Used sometimes when there is something illegal on - * the command line, like an unknown command. Caller - * should beep. - * EXPAND_NOTHING Unrecognised context for completion, use char like - * a normal char, rather than for completion. eg - * :s/^I/ - * EXPAND_COMMANDS Cursor is still touching the command, so complete - * it. - * EXPAND_BUFFERS Complete file names for :buf and :sbuf commands. - * EXPAND_FILES After command with EX_XFILE set, or after setting - * with P_EXPAND set. eg :e ^I, :w>>^I - * EXPAND_DIRECTORIES In some cases this is used instead of the latter - * when we know only directories are of interest. eg - * :set dir=^I - * EXPAND_SHELLCMD After ":!cmd", ":r !cmd" or ":w !cmd". - * EXPAND_SETTINGS Complete variable names. eg :set d^I - * EXPAND_BOOL_SETTINGS Complete boolean variables only, eg :set no^I - * EXPAND_TAGS Complete tags from the files in p_tags. eg :ta a^I - * EXPAND_TAGS_LISTFILES As above, but list filenames on ^D, after :tselect - * EXPAND_HELP Complete tags from the file 'helpfile'/tags - * EXPAND_EVENTS Complete event names - * EXPAND_SYNTAX Complete :syntax command arguments - * EXPAND_HIGHLIGHT Complete highlight (syntax) group names - * EXPAND_AUGROUP Complete autocommand group names - * EXPAND_USER_VARS Complete user defined variable names, eg :unlet a^I - * EXPAND_MAPPINGS Complete mapping and abbreviation names, - * eg :unmap a^I , :cunab x^I - * EXPAND_FUNCTIONS Complete internal or user defined function names, - * eg :call sub^I - * EXPAND_USER_FUNC Complete user defined function names, eg :delf F^I - * EXPAND_EXPRESSION Complete internal or user defined function/variable - * names in expressions, eg :while s^I - * EXPAND_ENV_VARS Complete environment variable names - * EXPAND_USER Complete user names - */ -void set_expand_context(expand_T *xp) -{ - // only expansion for ':', '>' and '=' command-lines - if (ccline.cmdfirstc != ':' - && ccline.cmdfirstc != '>' && ccline.cmdfirstc != '=' - && !ccline.input_fn) { - xp->xp_context = EXPAND_NOTHING; - return; - } - set_cmd_context(xp, ccline.cmdbuff, ccline.cmdlen, ccline.cmdpos, true); -} - -/// @param str start of command line -/// @param len length of command line (excl. NUL) -/// @param col position of cursor -/// @param use_ccline use ccline for info -void set_cmd_context(expand_T *xp, char_u *str, int len, int col, int use_ccline) -{ - char_u old_char = NUL; - - /* - * Avoid a UMR warning from Purify, only save the character if it has been - * written before. - */ - if (col < len) { - old_char = str[col]; - } - str[col] = NUL; - const char *nextcomm = (const char *)str; - - if (use_ccline && ccline.cmdfirstc == '=') { - // pass CMD_SIZE because there is no real command - set_context_for_expression(xp, (char *)str, CMD_SIZE); - } else if (use_ccline && ccline.input_fn) { - xp->xp_context = ccline.xp_context; - xp->xp_pattern = (char *)ccline.cmdbuff; - xp->xp_arg = (char *)ccline.xp_arg; - } else { - while (nextcomm != NULL) { - nextcomm = set_one_cmd_context(xp, nextcomm); - } - } - - /* Store the string here so that call_user_expand_func() can get to them - * easily. */ - xp->xp_line = (char *)str; - xp->xp_col = col; - - str[col] = old_char; -} - -/// Expand the command line "str" from context "xp". -/// "xp" must have been set by set_cmd_context(). -/// xp->xp_pattern points into "str", to where the text that is to be expanded -/// starts. -/// Returns EXPAND_UNSUCCESSFUL when there is something illegal before the -/// cursor. -/// Returns EXPAND_NOTHING when there is nothing to expand, might insert the -/// key that triggered expansion literally. -/// Returns EXPAND_OK otherwise. -/// -/// @param str start of command line -/// @param col position of cursor -/// @param matchcount return: nr of matches -/// @param matches return: array of pointers to matches -int expand_cmdline(expand_T *xp, char_u *str, int col, int *matchcount, char ***matches) -{ - char_u *file_str = NULL; - int options = WILD_ADD_SLASH|WILD_SILENT; - - if (xp->xp_context == EXPAND_UNSUCCESSFUL) { - beep_flush(); - return EXPAND_UNSUCCESSFUL; // Something illegal on command line - } - if (xp->xp_context == EXPAND_NOTHING) { - // Caller can use the character as a normal char instead - return EXPAND_NOTHING; - } - - // add star to file name, or convert to regexp if not exp. files. - assert((str + col) - (char_u *)xp->xp_pattern >= 0); - xp->xp_pattern_len = (size_t)((str + col) - (char_u *)xp->xp_pattern); - file_str = addstar((char_u *)xp->xp_pattern, xp->xp_pattern_len, xp->xp_context); - - if (p_wic) { - options += WILD_ICASE; - } - - // find all files that match the description - if (ExpandFromContext(xp, file_str, matchcount, matches, options) == FAIL) { - *matchcount = 0; - *matches = NULL; - } - xfree(file_str); - - return EXPAND_OK; -} - -typedef char *(*ExpandFunc)(expand_T *, int); - -/// Do the expansion based on xp->xp_context and "pat". -/// -/// @param options WILD_ flags -static int ExpandFromContext(expand_T *xp, char_u *pat, int *num_file, char ***file, int options) -{ - regmatch_T regmatch; - int ret; - int flags; - - flags = EW_DIR; // include directories - if (options & WILD_LIST_NOTFOUND) { - flags |= EW_NOTFOUND; - } - if (options & WILD_ADD_SLASH) { - flags |= EW_ADDSLASH; - } - if (options & WILD_KEEP_ALL) { - flags |= EW_KEEPALL; - } - if (options & WILD_SILENT) { - flags |= EW_SILENT; - } - if (options & WILD_NOERROR) { - flags |= EW_NOERROR; - } - if (options & WILD_ALLLINKS) { - flags |= EW_ALLLINKS; - } - - if (xp->xp_context == EXPAND_FILES - || xp->xp_context == EXPAND_DIRECTORIES - || xp->xp_context == EXPAND_FILES_IN_PATH) { - /* - * Expand file or directory names. - */ - int free_pat = FALSE; - int i; - - // for ":set path=" and ":set tags=" halve backslashes for escaped space - if (xp->xp_backslash != XP_BS_NONE) { - free_pat = TRUE; - pat = vim_strsave(pat); - for (i = 0; pat[i]; ++i) { - if (pat[i] == '\\') { - if (xp->xp_backslash == XP_BS_THREE - && pat[i + 1] == '\\' - && pat[i + 2] == '\\' - && pat[i + 3] == ' ') { - STRMOVE(pat + i, pat + i + 3); - } - if (xp->xp_backslash == XP_BS_ONE - && pat[i + 1] == ' ') { - STRMOVE(pat + i, pat + i + 1); - } - } - } - } - - if (xp->xp_context == EXPAND_FILES) { - flags |= EW_FILE; - } else if (xp->xp_context == EXPAND_FILES_IN_PATH) { - flags |= (EW_FILE | EW_PATH); - } else { - flags = (flags | EW_DIR) & ~EW_FILE; - } - if (options & WILD_ICASE) { - flags |= EW_ICASE; - } - - // Expand wildcards, supporting %:h and the like. - ret = expand_wildcards_eval(&pat, num_file, file, flags); - if (free_pat) { - xfree(pat); - } -#ifdef BACKSLASH_IN_FILENAME - if (p_csl[0] != NUL && (options & WILD_IGNORE_COMPLETESLASH) == 0) { - for (int i = 0; i < *num_file; i++) { - char_u *ptr = (*file)[i]; - while (*ptr != NUL) { - if (p_csl[0] == 's' && *ptr == '\\') { - *ptr = '/'; - } else if (p_csl[0] == 'b' && *ptr == '/') { - *ptr = '\\'; - } - ptr += utfc_ptr2len(ptr); - } - } - } -#endif - return ret; - } - - *file = NULL; - *num_file = 0; - if (xp->xp_context == EXPAND_HELP) { - /* With an empty argument we would get all the help tags, which is - * very slow. Get matches for "help" instead. */ - if (find_help_tags(*pat == NUL ? "help" : (char *)pat, - num_file, file, false) == OK) { - cleanup_help_tags(*num_file, *file); - return OK; - } - return FAIL; - } - - if (xp->xp_context == EXPAND_SHELLCMD) { - *file = NULL; - expand_shellcmd(pat, num_file, file, flags); - return OK; - } - if (xp->xp_context == EXPAND_OLD_SETTING) { - ExpandOldSetting(num_file, file); - return OK; - } - if (xp->xp_context == EXPAND_BUFFERS) { - return ExpandBufnames((char *)pat, num_file, file, options); - } - if (xp->xp_context == EXPAND_DIFF_BUFFERS) { - return ExpandBufnames((char *)pat, num_file, file, options | BUF_DIFF_FILTER); - } - if (xp->xp_context == EXPAND_TAGS - || xp->xp_context == EXPAND_TAGS_LISTFILES) { - return expand_tags(xp->xp_context == EXPAND_TAGS, pat, num_file, file); - } - if (xp->xp_context == EXPAND_COLORS) { - char *directories[] = { "colors", NULL }; - return ExpandRTDir(pat, DIP_START + DIP_OPT + DIP_LUA, num_file, file, directories); - } - if (xp->xp_context == EXPAND_COMPILER) { - char *directories[] = { "compiler", NULL }; - return ExpandRTDir(pat, DIP_LUA, num_file, file, directories); - } - if (xp->xp_context == EXPAND_OWNSYNTAX) { - char *directories[] = { "syntax", NULL }; - return ExpandRTDir(pat, 0, num_file, file, directories); - } - if (xp->xp_context == EXPAND_FILETYPE) { - char *directories[] = { "syntax", "indent", "ftplugin", NULL }; - return ExpandRTDir(pat, DIP_LUA, num_file, file, directories); - } - if (xp->xp_context == EXPAND_USER_LIST) { - return ExpandUserList(xp, num_file, file); - } - if (xp->xp_context == EXPAND_USER_LUA) { - return ExpandUserLua(xp, num_file, file); - } - if (xp->xp_context == EXPAND_PACKADD) { - return ExpandPackAddDir(pat, num_file, file); - } - - // When expanding a function name starting with s:, match the <SNR>nr_ - // prefix. - char *tofree = NULL; - if (xp->xp_context == EXPAND_USER_FUNC && STRNCMP(pat, "^s:", 3) == 0) { - const size_t len = STRLEN(pat) + 20; - - tofree = xmalloc(len); - snprintf(tofree, len, "^<SNR>\\d\\+_%s", pat + 3); - pat = (char_u *)tofree; - } - - if (xp->xp_context == EXPAND_LUA) { - ILOG("PAT %s", pat); - return nlua_expand_pat(xp, pat, num_file, file); - } - - regmatch.regprog = vim_regcomp((char *)pat, p_magic ? RE_MAGIC : 0); - if (regmatch.regprog == NULL) { - return FAIL; - } - - // set ignore-case according to p_ic, p_scs and pat - regmatch.rm_ic = ignorecase(pat); - - if (xp->xp_context == EXPAND_SETTINGS - || xp->xp_context == EXPAND_BOOL_SETTINGS) { - ret = ExpandSettings(xp, ®match, num_file, file); - } else if (xp->xp_context == EXPAND_MAPPINGS) { - ret = ExpandMappings(®match, num_file, file); - } else if (xp->xp_context == EXPAND_USER_DEFINED) { - ret = ExpandUserDefined(xp, ®match, num_file, file); - } else { - static struct expgen { - int context; - ExpandFunc func; - int ic; - int escaped; - } tab[] = { - { EXPAND_COMMANDS, get_command_name, false, true }, - { EXPAND_BEHAVE, get_behave_arg, true, true }, - { EXPAND_MAPCLEAR, get_mapclear_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 }, - { EXPAND_USER_CMD_FLAGS, get_user_cmd_flags, false, true }, - { EXPAND_USER_NARGS, get_user_cmd_nargs, false, true }, - { EXPAND_USER_COMPLETE, get_user_cmd_complete, false, true }, - { EXPAND_USER_VARS, get_user_var_name, false, true }, - { EXPAND_FUNCTIONS, get_function_name, false, true }, - { EXPAND_USER_FUNC, get_user_func_name, false, true }, - { EXPAND_EXPRESSION, get_expr_name, false, true }, - { EXPAND_MENUS, get_menu_name, false, true }, - { EXPAND_MENUNAMES, get_menu_names, false, true }, - { EXPAND_SYNTAX, get_syntax_name, true, true }, - { EXPAND_SYNTIME, get_syntime_arg, true, true }, - { EXPAND_HIGHLIGHT, (ExpandFunc)get_highlight_name, true, true }, - { EXPAND_EVENTS, expand_get_event_name, true, false }, - { EXPAND_AUGROUP, expand_get_augroup_name, true, false }, - { EXPAND_CSCOPE, get_cscope_name, true, true }, - { EXPAND_SIGN, get_sign_name, true, true }, - { EXPAND_PROFILE, get_profile_name, true, true }, -#ifdef HAVE_WORKING_LIBINTL - { EXPAND_LANGUAGE, get_lang_arg, true, false }, - { EXPAND_LOCALES, get_locales, true, false }, -#endif - { EXPAND_ENV_VARS, get_env_name, true, true }, - { EXPAND_USER, get_users, true, false }, - { EXPAND_ARGLIST, get_arglist_name, true, false }, - { EXPAND_CHECKHEALTH, get_healthcheck_names, true, false }, - }; - int i; - - /* - * Find a context in the table and call the ExpandGeneric() with the - * right function to do the expansion. - */ - ret = FAIL; - for (i = 0; i < (int)ARRAY_SIZE(tab); ++i) { - if (xp->xp_context == tab[i].context) { - if (tab[i].ic) { - regmatch.rm_ic = TRUE; - } - ExpandGeneric(xp, ®match, num_file, file, tab[i].func, tab[i].escaped); - ret = OK; - break; - } - } - } - - vim_regfree(regmatch.regprog); - xfree(tofree); - - return ret; -} - -/// Expand a list of names. -/// -/// Generic function for command line completion. It calls a function to -/// obtain strings, one by one. The strings are matched against a regexp -/// program. Matching strings are copied into an array, which is returned. -/// -/// @param func returns a string from the list -static void ExpandGeneric(expand_T *xp, regmatch_T *regmatch, int *num_file, char ***file, - CompleteListItemGetter func, int escaped) -{ - int i; - size_t count = 0; - char_u *str; - - // count the number of matching names - for (i = 0;; i++) { - str = (char_u *)(*func)(xp, i); - if (str == NULL) { // end of list - break; - } - if (*str == NUL) { // skip empty strings - continue; - } - if (vim_regexec(regmatch, (char *)str, (colnr_T)0)) { - count++; - } - } - if (count == 0) { - return; - } - assert(count < INT_MAX); - *num_file = (int)count; - *file = xmalloc(count * sizeof(char_u *)); - - // copy the matching names into allocated memory - count = 0; - for (i = 0;; i++) { - str = (char_u *)(*func)(xp, i); - if (str == NULL) { // End of list. - break; - } - if (*str == NUL) { // Skip empty strings. - continue; - } - if (vim_regexec(regmatch, (char *)str, (colnr_T)0)) { - if (escaped) { - str = vim_strsave_escaped(str, (char_u *)" \t\\."); - } else { - str = vim_strsave(str); - } - (*file)[count++] = (char *)str; - if (func == get_menu_names) { - // Test for separator added by get_menu_names(). - str += STRLEN(str) - 1; - if (*str == '\001') { - *str = '.'; - } - } - } - } - - // Sort the results. Keep menu's in the specified order. - if (xp->xp_context != EXPAND_MENUNAMES && xp->xp_context != EXPAND_MENUS) { - if (xp->xp_context == EXPAND_EXPRESSION - || xp->xp_context == EXPAND_FUNCTIONS - || xp->xp_context == EXPAND_USER_FUNC) { - // <SNR> functions should be sorted to the end. - qsort((void *)*file, (size_t)*num_file, sizeof(char_u *), - sort_func_compare); - } else { - sort_strings(*file, *num_file); - } - } - - /* Reset the variables used for special highlight names expansion, so that - * they don't show up when getting normal highlight names by ID. */ - reset_expand_highlight(); -} - -/// Complete a shell command. -/// -/// @param filepat is a pattern to match with command names. -/// @param[out] num_file is pointer to number of matches. -/// @param[out] file is pointer to array of pointers to matches. -/// *file will either be set to NULL or point to -/// allocated memory. -/// @param flagsarg is a combination of EW_* flags. -static void expand_shellcmd(char_u *filepat, int *num_file, char ***file, int flagsarg) - FUNC_ATTR_NONNULL_ALL +/// Get a pointer to the current command line info. +CmdlineInfo *get_cmdline_info(void) { - char_u *pat; - int i; - char_u *path = NULL; - garray_T ga; - char *buf = xmalloc(MAXPATHL); - size_t l; - char_u *s, *e; - int flags = flagsarg; - int ret; - bool did_curdir = false; - - // for ":set path=" and ":set tags=" halve backslashes for escaped space - pat = vim_strsave(filepat); - for (i = 0; pat[i]; ++i) { - if (pat[i] == '\\' && pat[i + 1] == ' ') { - STRMOVE(pat + i, pat + i + 1); - } - } - - flags |= EW_FILE | EW_EXEC | EW_SHELLCMD; - - bool mustfree = false; // Track memory allocation for *path. - if (pat[0] == '.' && (vim_ispathsep(pat[1]) - || (pat[1] == '.' && vim_ispathsep(pat[2])))) { - path = (char_u *)"."; - } else { - // For an absolute name we don't use $PATH. - if (!path_is_absolute(pat)) { - path = (char_u *)vim_getenv("PATH"); - } - if (path == NULL) { - path = (char_u *)""; - } else { - mustfree = true; - } - } - - /* - * Go over all directories in $PATH. Expand matches in that directory and - * collect them in "ga". When "." is not in $PATH also expaned for the - * current directory, to find "subdir/cmd". - */ - ga_init(&ga, (int)sizeof(char *), 10); - hashtab_T found_ht; - hash_init(&found_ht); - for (s = path;; s = e) { - e = (char_u *)vim_strchr((char *)s, ENV_SEPCHAR); - if (e == NULL) { - e = s + STRLEN(s); - } - - if (*s == NUL) { - if (did_curdir) { - break; - } - // Find directories in the current directory, path is empty. - did_curdir = true; - flags |= EW_DIR; - } else if (STRNCMP(s, ".", e - s) == 0) { - did_curdir = true; - flags |= EW_DIR; - } else { - // Do not match directories inside a $PATH item. - flags &= ~EW_DIR; - } - - l = (size_t)(e - s); - if (l > MAXPATHL - 5) { - break; - } - STRLCPY(buf, s, l + 1); - add_pathsep(buf); - l = STRLEN(buf); - STRLCPY(buf + l, pat, MAXPATHL - l); - - // Expand matches in one directory of $PATH. - ret = expand_wildcards(1, &buf, num_file, file, flags); - if (ret == OK) { - ga_grow(&ga, *num_file); - { - for (i = 0; i < *num_file; i++) { - char_u *name = (char_u *)(*file)[i]; - - if (STRLEN(name) > l) { - // Check if this name was already found. - hash_T hash = hash_hash(name + l); - hashitem_T *hi = - hash_lookup(&found_ht, (const char *)(name + l), - STRLEN(name + l), hash); - if (HASHITEM_EMPTY(hi)) { - // Remove the path that was prepended. - STRMOVE(name, name + l); - ((char_u **)ga.ga_data)[ga.ga_len++] = name; - hash_add_item(&found_ht, hi, name, hash); - name = NULL; - } - } - xfree(name); - } - xfree(*file); - } - } - if (*e != NUL) { - e++; - } - } - *file = ga.ga_data; - *num_file = ga.ga_len; - - xfree(buf); - xfree(pat); - if (mustfree) { - xfree(path); - } - hash_clear(&found_ht); -} - -/// Call "user_expand_func()" to invoke a user defined Vim script function and -/// return the result (either a string, a List or NULL). -static void *call_user_expand_func(user_expand_func_T user_expand_func, expand_T *xp, int *num_file, - char ***file) - FUNC_ATTR_NONNULL_ALL -{ - char_u keep = 0; - typval_T args[4]; - char_u *pat = NULL; - const sctx_T save_current_sctx = current_sctx; - - if (xp->xp_arg == NULL || xp->xp_arg[0] == '\0' || xp->xp_line == NULL) { - return NULL; - } - *num_file = 0; - *file = NULL; - - if (ccline.cmdbuff != NULL) { - keep = ccline.cmdbuff[ccline.cmdlen]; - ccline.cmdbuff[ccline.cmdlen] = 0; - } - - pat = vim_strnsave((char_u *)xp->xp_pattern, xp->xp_pattern_len); - args[0].v_type = VAR_STRING; - args[1].v_type = VAR_STRING; - args[2].v_type = VAR_NUMBER; - args[3].v_type = VAR_UNKNOWN; - args[0].vval.v_string = (char *)pat; - args[1].vval.v_string = xp->xp_line; - args[2].vval.v_number = xp->xp_col; - - current_sctx = xp->xp_script_ctx; - - void *const ret = user_expand_func((char_u *)xp->xp_arg, 3, args); - - current_sctx = save_current_sctx; - if (ccline.cmdbuff != NULL) { - ccline.cmdbuff[ccline.cmdlen] = keep; - } - - xfree(pat); - return ret; -} - -/// Expand names with a function defined by the user. -static int ExpandUserDefined(expand_T *xp, regmatch_T *regmatch, int *num_file, char ***file) -{ - char_u *e; - garray_T ga; - - char_u *const retstr = call_user_expand_func((user_expand_func_T)call_func_retstr, xp, num_file, - file); - - if (retstr == NULL) { - return FAIL; - } - - ga_init(&ga, (int)sizeof(char *), 3); - for (char_u *s = retstr; *s != NUL; s = e) { - e = (char_u *)vim_strchr((char *)s, '\n'); - if (e == NULL) { - e = s + STRLEN(s); - } - const char_u keep = *e; - *e = NUL; - - const bool skip = xp->xp_pattern[0] - && vim_regexec(regmatch, (char *)s, (colnr_T)0) == 0; - *e = keep; - if (!skip) { - GA_APPEND(char_u *, &ga, vim_strnsave(s, (size_t)(e - s))); - } - - if (*e != NUL) { - e++; - } - } - xfree(retstr); - *file = ga.ga_data; - *num_file = ga.ga_len; - return OK; -} - -/// Expand names with a list returned by a function defined by the user. -static int ExpandUserList(expand_T *xp, int *num_file, char ***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. - 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 *, &ga, xstrdup((const char *)TV_LIST_ITEM_TV(li)->vval.v_string)); - }); - tv_list_unref(retlist); - - *file = ga.ga_data; - *num_file = ga.ga_len; - return OK; -} - -static int ExpandUserLua(expand_T *xp, int *num_file, char ***file) -{ - typval_T rettv; - nlua_call_user_expand_func(xp, &rettv); - if (rettv.v_type != VAR_LIST) { - tv_clear(&rettv); - return FAIL; - } - - list_T *const retlist = rettv.vval.v_list; - - garray_T ga; - ga_init(&ga, (int)sizeof(char *), 3); - // 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 *, &ga, xstrdup((const char *)TV_LIST_ITEM_TV(li)->vval.v_string)); - }); - tv_list_unref(retlist); - - *file = ga.ga_data; - *num_file = ga.ga_len; - return OK; + return &ccline; } -/// Expand `file` for all comma-separated directories in `path`. -/// Adds matches to `ga`. -void globpath(char *path, char_u *file, garray_T *ga, int expand_options) +unsigned get_cmdline_last_prompt_id(void) { - expand_T xpc; - ExpandInit(&xpc); - xpc.xp_context = EXPAND_FILES; - - char_u *buf = xmalloc(MAXPATHL); - - // Loop over all entries in {path}. - while (*path != NUL) { - // Copy one item of the path to buf[] and concatenate the file name. - copy_option_part(&path, (char *)buf, MAXPATHL, ","); - if (STRLEN(buf) + STRLEN(file) + 2 < MAXPATHL) { - add_pathsep((char *)buf); - STRCAT(buf, file); // NOLINT - - char **p; - int num_p = 0; - (void)ExpandFromContext(&xpc, buf, &num_p, &p, - WILD_SILENT | expand_options); - if (num_p > 0) { - ExpandEscape(&xpc, buf, num_p, p, WILD_SILENT | expand_options); - - // Concatenate new results to previous ones. - ga_grow(ga, num_p); - // take over the pointers and put them in "ga" - for (int i = 0; i < num_p; i++) { - ((char_u **)ga->ga_data)[ga->ga_len] = (char_u *)p[i]; - ga->ga_len++; - } - xfree(p); - } - } - } - - xfree(buf); + return last_prompt_id; } /// Get pointer to the command line info to use. save_cmdline() may clear /// ccline and put the previous value in ccline.prev_ccline. -static struct cmdline_info *get_ccline_ptr(void) +static CmdlineInfo *get_ccline_ptr(void) { if ((State & MODE_CMDLINE) == 0) { return NULL; @@ -5783,7 +4066,7 @@ char_u *get_cmdline_completion(void) if (cmdline_star > 0) { return NULL; } - struct cmdline_info *p = get_ccline_ptr(); + CmdlineInfo *p = get_ccline_ptr(); if (p != NULL && p->xpc != NULL) { set_expand_context(p->xpc); @@ -5806,7 +4089,7 @@ char_u *get_cmdline_str(void) if (cmdline_star > 0) { return NULL; } - struct cmdline_info *p = get_ccline_ptr(); + CmdlineInfo *p = get_ccline_ptr(); if (p == NULL) { return NULL; @@ -5822,7 +4105,7 @@ char_u *get_cmdline_str(void) */ int get_cmdline_pos(void) { - struct cmdline_info *p = get_ccline_ptr(); + CmdlineInfo *p = get_ccline_ptr(); if (p == NULL) { return -1; @@ -5833,7 +4116,7 @@ int get_cmdline_pos(void) /// Get the command line cursor screen position. int get_cmdline_screen_pos(void) { - struct cmdline_info *p = get_ccline_ptr(); + CmdlineInfo *p = get_ccline_ptr(); if (p == NULL) { return -1; @@ -5848,7 +4131,7 @@ int get_cmdline_screen_pos(void) */ int set_cmdline_pos(int pos) { - struct cmdline_info *p = get_ccline_ptr(); + CmdlineInfo *p = get_ccline_ptr(); if (p == NULL) { return 1; @@ -5872,7 +4155,7 @@ int set_cmdline_pos(int pos) */ int get_cmdline_type(void) { - struct cmdline_info *p = get_ccline_ptr(); + CmdlineInfo *p = get_ccline_ptr(); if (p == NULL) { return NUL; |