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-rw-r--r--src/nvim/arglist.c1157
1 files changed, 1157 insertions, 0 deletions
diff --git a/src/nvim/arglist.c b/src/nvim/arglist.c
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+// 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
+
+// arglist.c: functions for dealing with the argument list
+
+#include <assert.h>
+#include <stdbool.h>
+
+#include "nvim/arglist.h"
+#include "nvim/buffer.h"
+#include "nvim/charset.h"
+#include "nvim/eval.h"
+#include "nvim/ex_cmds2.h"
+#include "nvim/ex_getln.h"
+#include "nvim/fileio.h"
+#include "nvim/garray.h"
+#include "nvim/globals.h"
+#include "nvim/mark.h"
+#include "nvim/memory.h"
+#include "nvim/os/input.h"
+#include "nvim/path.h"
+#include "nvim/regexp.h"
+#include "nvim/strings.h"
+#include "nvim/undo.h"
+#include "nvim/version.h"
+#include "nvim/vim.h"
+#include "nvim/window.h"
+
+#ifdef INCLUDE_GENERATED_DECLARATIONS
+# include "arglist.c.generated.h"
+#endif
+
+enum {
+ AL_SET = 1,
+ AL_ADD = 2,
+ AL_DEL = 3,
+};
+
+/// Clear an argument list: free all file names and reset it to zero entries.
+void alist_clear(alist_T *al)
+{
+#define FREE_AENTRY_FNAME(arg) xfree((arg)->ae_fname)
+ GA_DEEP_CLEAR(&al->al_ga, aentry_T, FREE_AENTRY_FNAME);
+}
+
+/// Init an argument list.
+void alist_init(alist_T *al)
+{
+ ga_init(&al->al_ga, (int)sizeof(aentry_T), 5);
+}
+
+/// Remove a reference from an argument list.
+/// Ignored when the argument list is the global one.
+/// If the argument list is no longer used by any window, free it.
+void alist_unlink(alist_T *al)
+{
+ if (al != &global_alist && --al->al_refcount <= 0) {
+ alist_clear(al);
+ xfree(al);
+ }
+}
+
+/// Create a new argument list and use it for the current window.
+void alist_new(void)
+{
+ curwin->w_alist = xmalloc(sizeof(*curwin->w_alist));
+ curwin->w_alist->al_refcount = 1;
+ curwin->w_alist->id = ++max_alist_id;
+ alist_init(curwin->w_alist);
+}
+
+#if !defined(UNIX)
+
+/// Expand the file names in the global argument list.
+/// If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
+/// numbers to be re-used.
+void alist_expand(int *fnum_list, int fnum_len)
+{
+ char *save_p_su = p_su;
+
+ // Don't use 'suffixes' here. This should work like the shell did the
+ // expansion. Also, the vimrc file isn't read yet, thus the user
+ // can't set the options.
+ p_su = empty_option;
+ char **old_arg_files = xmalloc(sizeof(*old_arg_files) * GARGCOUNT);
+ for (int i = 0; i < GARGCOUNT; i++) {
+ old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
+ }
+ int old_arg_count = GARGCOUNT;
+ char **new_arg_files;
+ int new_arg_file_count;
+ if (expand_wildcards(old_arg_count, old_arg_files,
+ &new_arg_file_count, &new_arg_files,
+ EW_FILE|EW_NOTFOUND|EW_ADDSLASH|EW_NOERROR) == OK
+ && new_arg_file_count > 0) {
+ alist_set(&global_alist, new_arg_file_count, new_arg_files,
+ true, fnum_list, fnum_len);
+ FreeWild(old_arg_count, old_arg_files);
+ }
+ p_su = save_p_su;
+}
+#endif
+
+/// Set the argument list for the current window.
+/// Takes over the allocated files[] and the allocated fnames in it.
+void alist_set(alist_T *al, int count, char **files, int use_curbuf, int *fnum_list, int fnum_len)
+{
+ static int recursive = 0;
+
+ if (recursive) {
+ emsg(_(e_au_recursive));
+ return;
+ }
+ recursive++;
+
+ alist_clear(al);
+ ga_grow(&al->al_ga, count);
+ {
+ for (int i = 0; i < count; i++) {
+ if (got_int) {
+ // When adding many buffers this can take a long time. Allow
+ // interrupting here.
+ while (i < count) {
+ xfree(files[i++]);
+ }
+ break;
+ }
+
+ // May set buffer name of a buffer previously used for the
+ // argument list, so that it's re-used by alist_add.
+ if (fnum_list != NULL && i < fnum_len) {
+ buf_set_name(fnum_list[i], files[i]);
+ }
+
+ alist_add(al, files[i], use_curbuf ? 2 : 1);
+ os_breakcheck();
+ }
+ xfree(files);
+ }
+
+ if (al == &global_alist) {
+ arg_had_last = false;
+ }
+ recursive--;
+}
+
+/// Add file "fname" to argument list "al".
+/// "fname" must have been allocated and "al" must have been checked for room.
+///
+/// @param set_fnum 1: set buffer number; 2: re-use curbuf
+void alist_add(alist_T *al, char *fname, int set_fnum)
+{
+ if (fname == NULL) { // don't add NULL file names
+ return;
+ }
+#ifdef BACKSLASH_IN_FILENAME
+ slash_adjust(fname);
+#endif
+ AARGLIST(al)[al->al_ga.ga_len].ae_fname = (char_u *)fname;
+ if (set_fnum > 0) {
+ AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
+ buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
+ }
+ al->al_ga.ga_len++;
+}
+
+#if defined(BACKSLASH_IN_FILENAME)
+
+/// Adjust slashes in file names. Called after 'shellslash' was set.
+void alist_slash_adjust(void)
+{
+ for (int i = 0; i < GARGCOUNT; i++) {
+ if (GARGLIST[i].ae_fname != NULL) {
+ slash_adjust(GARGLIST[i].ae_fname);
+ }
+ }
+
+ FOR_ALL_TAB_WINDOWS(tp, wp) {
+ if (wp->w_alist != &global_alist) {
+ for (int i = 0; i < WARGCOUNT(wp); i++) {
+ if (WARGLIST(wp)[i].ae_fname != NULL) {
+ slash_adjust(WARGLIST(wp)[i].ae_fname);
+ }
+ }
+ }
+ }
+}
+
+#endif
+
+/// Isolate one argument, taking backticks.
+/// Changes the argument in-place, puts a NUL after it. Backticks remain.
+///
+/// @return a pointer to the start of the next argument.
+static char *do_one_arg(char *str)
+{
+ char *p;
+ bool inbacktick;
+
+ inbacktick = false;
+ for (p = str; *str; str++) {
+ // When the backslash is used for escaping the special meaning of a
+ // character we need to keep it until wildcard expansion.
+ if (rem_backslash((char_u *)str)) {
+ *p++ = *str++;
+ *p++ = *str;
+ } else {
+ // An item ends at a space not in backticks
+ if (!inbacktick && ascii_isspace(*str)) {
+ break;
+ }
+ if (*str == '`') {
+ inbacktick ^= true;
+ }
+ *p++ = *str;
+ }
+ }
+ str = skipwhite(str);
+ *p = NUL;
+
+ return str;
+}
+
+/// Separate the arguments in "str" and return a list of pointers in the
+/// growarray "gap".
+static void get_arglist(garray_T *gap, char *str, int escaped)
+{
+ ga_init(gap, (int)sizeof(char_u *), 20);
+ while (*str != NUL) {
+ GA_APPEND(char *, gap, str);
+
+ // If str is escaped, don't handle backslashes or spaces
+ if (!escaped) {
+ return;
+ }
+
+ // Isolate one argument, change it in-place, put a NUL after it.
+ str = do_one_arg(str);
+ }
+}
+
+/// Parse a list of arguments (file names), expand them and return in
+/// "fnames[fcountp]". When "wig" is true, removes files matching 'wildignore'.
+///
+/// @return FAIL or OK.
+int get_arglist_exp(char_u *str, int *fcountp, char ***fnamesp, bool wig)
+{
+ garray_T ga;
+ int i;
+
+ get_arglist(&ga, (char *)str, true);
+
+ if (wig) {
+ i = expand_wildcards(ga.ga_len, ga.ga_data,
+ fcountp, fnamesp, EW_FILE|EW_NOTFOUND|EW_NOTWILD);
+ } else {
+ i = gen_expand_wildcards(ga.ga_len, ga.ga_data,
+ fcountp, fnamesp, EW_FILE|EW_NOTFOUND|EW_NOTWILD);
+ }
+
+ ga_clear(&ga);
+ return i;
+}
+
+/// Check the validity of the arg_idx for each other window.
+static void alist_check_arg_idx(void)
+{
+ FOR_ALL_TAB_WINDOWS(tp, win) {
+ if (win->w_alist == curwin->w_alist) {
+ check_arg_idx(win);
+ }
+ }
+}
+
+/// Add files[count] to the arglist of the current window after arg "after".
+/// The file names in files[count] must have been allocated and are taken over.
+/// Files[] itself is not taken over.
+///
+/// @param after: where to add: 0 = before first one
+/// @param will_edit will edit adding argument
+static void alist_add_list(int count, char **files, int after, bool will_edit)
+ FUNC_ATTR_NONNULL_ALL
+{
+ int old_argcount = ARGCOUNT;
+ ga_grow(&ALIST(curwin)->al_ga, count);
+ {
+ if (after < 0) {
+ after = 0;
+ }
+ if (after > ARGCOUNT) {
+ after = ARGCOUNT;
+ }
+ if (after < ARGCOUNT) {
+ memmove(&(ARGLIST[after + count]), &(ARGLIST[after]),
+ (size_t)(ARGCOUNT - after) * sizeof(aentry_T));
+ }
+ for (int i = 0; i < count; i++) {
+ const int flags = BLN_LISTED | (will_edit ? BLN_CURBUF : 0);
+ ARGLIST[after + i].ae_fname = (char_u *)files[i];
+ ARGLIST[after + i].ae_fnum = buflist_add(files[i], flags);
+ }
+ ALIST(curwin)->al_ga.ga_len += count;
+ if (old_argcount > 0 && curwin->w_arg_idx >= after) {
+ curwin->w_arg_idx += count;
+ }
+ return;
+ }
+}
+
+/// @param str
+/// @param what
+/// AL_SET: Redefine the argument list to 'str'.
+/// AL_ADD: add files in 'str' to the argument list after "after".
+/// AL_DEL: remove files in 'str' from the argument list.
+/// @param after
+/// 0 means before first one
+/// @param will_edit will edit added argument
+///
+/// @return FAIL for failure, OK otherwise.
+static int do_arglist(char *str, int what, int after, bool will_edit)
+ FUNC_ATTR_NONNULL_ALL
+{
+ garray_T new_ga;
+ int exp_count;
+ char **exp_files;
+ char *p;
+ int match;
+ int arg_escaped = true;
+
+ // Set default argument for ":argadd" command.
+ if (what == AL_ADD && *str == NUL) {
+ if (curbuf->b_ffname == NULL) {
+ return FAIL;
+ }
+ str = curbuf->b_fname;
+ arg_escaped = false;
+ }
+
+ // Collect all file name arguments in "new_ga".
+ get_arglist(&new_ga, str, arg_escaped);
+
+ if (what == AL_DEL) {
+ regmatch_T regmatch;
+ bool didone;
+
+ // Delete the items: use each item as a regexp and find a match in the
+ // argument list.
+ regmatch.rm_ic = p_fic; // ignore case when 'fileignorecase' is set
+ for (int i = 0; i < new_ga.ga_len && !got_int; i++) {
+ p = ((char **)new_ga.ga_data)[i];
+ p = file_pat_to_reg_pat(p, NULL, NULL, false);
+ if (p == NULL) {
+ break;
+ }
+ regmatch.regprog = vim_regcomp(p, p_magic ? RE_MAGIC : 0);
+ if (regmatch.regprog == NULL) {
+ xfree(p);
+ break;
+ }
+
+ didone = false;
+ for (match = 0; match < ARGCOUNT; match++) {
+ if (vim_regexec(&regmatch, alist_name(&ARGLIST[match]), (colnr_T)0)) {
+ didone = true;
+ xfree(ARGLIST[match].ae_fname);
+ memmove(ARGLIST + match, ARGLIST + match + 1,
+ (size_t)(ARGCOUNT - match - 1) * sizeof(aentry_T));
+ ALIST(curwin)->al_ga.ga_len--;
+ if (curwin->w_arg_idx > match) {
+ curwin->w_arg_idx--;
+ }
+ match--;
+ }
+ }
+
+ vim_regfree(regmatch.regprog);
+ xfree(p);
+ if (!didone) {
+ semsg(_(e_nomatch2), ((char_u **)new_ga.ga_data)[i]);
+ }
+ }
+ ga_clear(&new_ga);
+ } else {
+ int i = expand_wildcards(new_ga.ga_len, new_ga.ga_data,
+ &exp_count, &exp_files,
+ EW_DIR|EW_FILE|EW_ADDSLASH|EW_NOTFOUND);
+ ga_clear(&new_ga);
+ if (i == FAIL || exp_count == 0) {
+ emsg(_(e_nomatch));
+ return FAIL;
+ }
+
+ if (what == AL_ADD) {
+ alist_add_list(exp_count, exp_files, after, will_edit);
+ xfree(exp_files);
+ } else {
+ assert(what == AL_SET);
+ alist_set(ALIST(curwin), exp_count, exp_files, will_edit, NULL, 0);
+ }
+ }
+
+ alist_check_arg_idx();
+
+ return OK;
+}
+
+/// Redefine the argument list.
+void set_arglist(char *str)
+{
+ do_arglist(str, AL_SET, 0, false);
+}
+
+/// @return true if window "win" is editing the file at the current argument
+/// index.
+bool editing_arg_idx(win_T *win)
+{
+ return !(win->w_arg_idx >= WARGCOUNT(win)
+ || (win->w_buffer->b_fnum
+ != WARGLIST(win)[win->w_arg_idx].ae_fnum
+ && (win->w_buffer->b_ffname == NULL
+ || !(path_full_compare(alist_name(&WARGLIST(win)[win->w_arg_idx]),
+ win->w_buffer->b_ffname, true,
+ true) & kEqualFiles))));
+}
+
+/// Check if window "win" is editing the w_arg_idx file in its argument list.
+void check_arg_idx(win_T *win)
+{
+ if (WARGCOUNT(win) > 1 && !editing_arg_idx(win)) {
+ // We are not editing the current entry in the argument list.
+ // Set "arg_had_last" if we are editing the last one.
+ win->w_arg_idx_invalid = true;
+ if (win->w_arg_idx != WARGCOUNT(win) - 1
+ && arg_had_last == false
+ && ALIST(win) == &global_alist
+ && GARGCOUNT > 0
+ && win->w_arg_idx < GARGCOUNT
+ && (win->w_buffer->b_fnum == GARGLIST[GARGCOUNT - 1].ae_fnum
+ || (win->w_buffer->b_ffname != NULL
+ && (path_full_compare(alist_name(&GARGLIST[GARGCOUNT - 1]),
+ win->w_buffer->b_ffname, true, true)
+ & kEqualFiles)))) {
+ arg_had_last = true;
+ }
+ } else {
+ // We are editing the current entry in the argument list.
+ // Set "arg_had_last" if it's also the last one
+ win->w_arg_idx_invalid = false;
+ if (win->w_arg_idx == WARGCOUNT(win) - 1 && win->w_alist == &global_alist) {
+ arg_had_last = true;
+ }
+ }
+}
+
+/// ":args", ":argslocal" and ":argsglobal".
+void ex_args(exarg_T *eap)
+{
+ if (eap->cmdidx != CMD_args) {
+ alist_unlink(ALIST(curwin));
+ if (eap->cmdidx == CMD_argglobal) {
+ ALIST(curwin) = &global_alist;
+ } else { // eap->cmdidx == CMD_arglocal
+ alist_new();
+ }
+ }
+
+ if (*eap->arg != NUL) {
+ // ":args file ..": define new argument list, handle like ":next"
+ // Also for ":argslocal file .." and ":argsglobal file ..".
+ ex_next(eap);
+ } else if (eap->cmdidx == CMD_args) {
+ // ":args": list arguments.
+ if (ARGCOUNT > 0) {
+ char **items = xmalloc(sizeof(char_u *) * (size_t)ARGCOUNT);
+ // Overwrite the command, for a short list there is no scrolling
+ // required and no wait_return().
+ gotocmdline(true);
+ for (int i = 0; i < ARGCOUNT; i++) {
+ items[i] = alist_name(&ARGLIST[i]);
+ }
+ list_in_columns(items, ARGCOUNT, curwin->w_arg_idx);
+ xfree(items);
+ }
+ } else if (eap->cmdidx == CMD_arglocal) {
+ garray_T *gap = &curwin->w_alist->al_ga;
+
+ // ":argslocal": make a local copy of the global argument list.
+ ga_grow(gap, GARGCOUNT);
+ for (int i = 0; i < GARGCOUNT; i++) {
+ if (GARGLIST[i].ae_fname != NULL) {
+ AARGLIST(curwin->w_alist)[gap->ga_len].ae_fname =
+ vim_strsave(GARGLIST[i].ae_fname);
+ AARGLIST(curwin->w_alist)[gap->ga_len].ae_fnum =
+ GARGLIST[i].ae_fnum;
+ gap->ga_len++;
+ }
+ }
+ }
+}
+
+/// ":previous", ":sprevious", ":Next" and ":sNext".
+void ex_previous(exarg_T *eap)
+{
+ // If past the last one already, go to the last one.
+ if (curwin->w_arg_idx - (int)eap->line2 >= ARGCOUNT) {
+ do_argfile(eap, ARGCOUNT - 1);
+ } else {
+ do_argfile(eap, curwin->w_arg_idx - (int)eap->line2);
+ }
+}
+
+/// ":rewind", ":first", ":sfirst" and ":srewind".
+void ex_rewind(exarg_T *eap)
+{
+ do_argfile(eap, 0);
+}
+
+/// ":last" and ":slast".
+void ex_last(exarg_T *eap)
+{
+ do_argfile(eap, ARGCOUNT - 1);
+}
+
+/// ":argument" and ":sargument".
+void ex_argument(exarg_T *eap)
+{
+ int i;
+
+ if (eap->addr_count > 0) {
+ i = (int)eap->line2 - 1;
+ } else {
+ i = curwin->w_arg_idx;
+ }
+ do_argfile(eap, i);
+}
+
+/// Edit file "argn" of the argument lists.
+void do_argfile(exarg_T *eap, int argn)
+{
+ int other;
+ char *p;
+ int old_arg_idx = curwin->w_arg_idx;
+
+ if (argn < 0 || argn >= ARGCOUNT) {
+ if (ARGCOUNT <= 1) {
+ emsg(_("E163: There is only one file to edit"));
+ } else if (argn < 0) {
+ emsg(_("E164: Cannot go before first file"));
+ } else {
+ emsg(_("E165: Cannot go beyond last file"));
+ }
+ } else {
+ setpcmark();
+
+ // split window or create new tab page first
+ if (*eap->cmd == 's' || cmdmod.cmod_tab != 0) {
+ if (win_split(0, 0) == FAIL) {
+ return;
+ }
+ RESET_BINDING(curwin);
+ } else {
+ // if 'hidden' set, only check for changed file when re-editing
+ // the same buffer
+ other = true;
+ if (buf_hide(curbuf)) {
+ p = fix_fname(alist_name(&ARGLIST[argn]));
+ other = otherfile(p);
+ xfree(p);
+ }
+ if ((!buf_hide(curbuf) || !other)
+ && check_changed(curbuf, CCGD_AW
+ | (other ? 0 : CCGD_MULTWIN)
+ | (eap->forceit ? CCGD_FORCEIT : 0)
+ | CCGD_EXCMD)) {
+ return;
+ }
+ }
+
+ curwin->w_arg_idx = argn;
+ if (argn == ARGCOUNT - 1 && curwin->w_alist == &global_alist) {
+ arg_had_last = true;
+ }
+
+ // Edit the file; always use the last known line number.
+ // When it fails (e.g. Abort for already edited file) restore the
+ // argument index.
+ if (do_ecmd(0, alist_name(&ARGLIST[curwin->w_arg_idx]), NULL,
+ eap, ECMD_LAST,
+ (buf_hide(curwin->w_buffer) ? ECMD_HIDE : 0)
+ + (eap->forceit ? ECMD_FORCEIT : 0), curwin) == FAIL) {
+ curwin->w_arg_idx = old_arg_idx;
+ } else if (eap->cmdidx != CMD_argdo) {
+ // like Vi: set the mark where the cursor is in the file.
+ setmark('\'');
+ }
+ }
+}
+
+/// ":next", and commands that behave like it.
+void ex_next(exarg_T *eap)
+{
+ int i;
+
+ // check for changed buffer now, if this fails the argument list is not
+ // redefined.
+ if (buf_hide(curbuf)
+ || eap->cmdidx == CMD_snext
+ || !check_changed(curbuf, CCGD_AW
+ | (eap->forceit ? CCGD_FORCEIT : 0)
+ | CCGD_EXCMD)) {
+ if (*eap->arg != NUL) { // redefine file list
+ if (do_arglist(eap->arg, AL_SET, 0, true) == FAIL) {
+ return;
+ }
+ i = 0;
+ } else {
+ i = curwin->w_arg_idx + (int)eap->line2;
+ }
+ do_argfile(eap, i);
+ }
+}
+
+/// ":argdedupe"
+void ex_argdedupe(exarg_T *eap FUNC_ATTR_UNUSED)
+{
+ for (int i = 0; i < ARGCOUNT; i++) {
+ for (int j = i + 1; j < ARGCOUNT; j++) {
+ if (FNAMECMP(ARGLIST[i].ae_fname, ARGLIST[j].ae_fname) == 0) {
+ xfree(ARGLIST[j].ae_fname);
+ memmove(ARGLIST + j, ARGLIST + j + 1,
+ (size_t)(ARGCOUNT - j - 1) * sizeof(aentry_T));
+ ARGCOUNT--;
+
+ if (curwin->w_arg_idx == j) {
+ curwin->w_arg_idx = i;
+ } else if (curwin->w_arg_idx > j) {
+ curwin->w_arg_idx--;
+ }
+
+ j--;
+ }
+ }
+ }
+}
+
+/// ":argedit"
+void ex_argedit(exarg_T *eap)
+{
+ int i = eap->addr_count ? (int)eap->line2 : curwin->w_arg_idx + 1;
+ // Whether curbuf will be reused, curbuf->b_ffname will be set.
+ bool curbuf_is_reusable = curbuf_reusable();
+
+ if (do_arglist(eap->arg, AL_ADD, i, true) == FAIL) {
+ return;
+ }
+ maketitle();
+
+ if (curwin->w_arg_idx == 0
+ && (curbuf->b_ml.ml_flags & ML_EMPTY)
+ && (curbuf->b_ffname == NULL || curbuf_is_reusable)) {
+ i = 0;
+ }
+ // Edit the argument.
+ if (i < ARGCOUNT) {
+ do_argfile(eap, i);
+ }
+}
+
+/// ":argadd"
+void ex_argadd(exarg_T *eap)
+{
+ do_arglist(eap->arg, AL_ADD,
+ eap->addr_count > 0 ? (int)eap->line2 : curwin->w_arg_idx + 1,
+ false);
+ maketitle();
+}
+
+/// ":argdelete"
+void ex_argdelete(exarg_T *eap)
+{
+ if (eap->addr_count > 0 || *eap->arg == NUL) {
+ // ":argdel" works like ":.argdel"
+ if (eap->addr_count == 0) {
+ if (curwin->w_arg_idx >= ARGCOUNT) {
+ emsg(_("E610: No argument to delete"));
+ return;
+ }
+ eap->line1 = eap->line2 = curwin->w_arg_idx + 1;
+ } else if (eap->line2 > ARGCOUNT) {
+ // ":1,4argdel": Delete all arguments in the range.
+ eap->line2 = ARGCOUNT;
+ }
+ linenr_T n = eap->line2 - eap->line1 + 1;
+ if (*eap->arg != NUL) {
+ // Can't have both a range and an argument.
+ emsg(_(e_invarg));
+ } else if (n <= 0) {
+ // Don't give an error for ":%argdel" if the list is empty.
+ if (eap->line1 != 1 || eap->line2 != 0) {
+ emsg(_(e_invrange));
+ }
+ } else {
+ for (linenr_T i = eap->line1; i <= eap->line2; i++) {
+ xfree(ARGLIST[i - 1].ae_fname);
+ }
+ memmove(ARGLIST + eap->line1 - 1, ARGLIST + eap->line2,
+ (size_t)(ARGCOUNT - eap->line2) * sizeof(aentry_T));
+ ALIST(curwin)->al_ga.ga_len -= (int)n;
+ if (curwin->w_arg_idx >= eap->line2) {
+ curwin->w_arg_idx -= (int)n;
+ } else if (curwin->w_arg_idx > eap->line1) {
+ curwin->w_arg_idx = (int)eap->line1;
+ }
+ if (ARGCOUNT == 0) {
+ curwin->w_arg_idx = 0;
+ } else if (curwin->w_arg_idx >= ARGCOUNT) {
+ curwin->w_arg_idx = ARGCOUNT - 1;
+ }
+ }
+ } else {
+ do_arglist(eap->arg, AL_DEL, 0, false);
+ }
+ maketitle();
+}
+
+/// Function given to ExpandGeneric() to obtain the possible arguments of the
+/// argedit and argdelete commands.
+char *get_arglist_name(expand_T *xp FUNC_ATTR_UNUSED, int idx)
+{
+ if (idx >= ARGCOUNT) {
+ return NULL;
+ }
+ return alist_name(&ARGLIST[idx]);
+}
+
+/// Get the file name for an argument list entry.
+char *alist_name(aentry_T *aep)
+{
+ buf_T *bp;
+
+ // Use the name from the associated buffer if it exists.
+ bp = buflist_findnr(aep->ae_fnum);
+ if (bp == NULL || bp->b_fname == NULL) {
+ return (char *)aep->ae_fname;
+ }
+ return bp->b_fname;
+}
+
+/// do_arg_all(): Open up to 'count' windows, one for each argument.
+///
+/// @param forceit hide buffers in current windows
+/// @param keep_tabs keep current tabs, for ":tab drop file"
+static void do_arg_all(int count, int forceit, int keep_tabs)
+{
+ uint8_t *opened; // Array of weight for which args are open:
+ // 0: not opened
+ // 1: opened in other tab
+ // 2: opened in curtab
+ // 3: opened in curtab and curwin
+
+ int opened_len; // length of opened[]
+ int use_firstwin = false; // use first window for arglist
+ bool tab_drop_empty_window = false;
+ int split_ret = OK;
+ bool p_ea_save;
+ alist_T *alist; // argument list to be used
+ buf_T *buf;
+ tabpage_T *tpnext;
+ int had_tab = cmdmod.cmod_tab;
+ win_T *old_curwin, *last_curwin;
+ tabpage_T *old_curtab, *last_curtab;
+ win_T *new_curwin = NULL;
+ tabpage_T *new_curtab = NULL;
+
+ assert(firstwin != NULL); // satisfy coverity
+
+ if (ARGCOUNT <= 0) {
+ // Don't give an error message. We don't want it when the ":all" command is in the .vimrc.
+ return;
+ }
+ setpcmark();
+
+ opened_len = ARGCOUNT;
+ opened = xcalloc((size_t)opened_len, 1);
+
+ // Autocommands may do anything to the argument list. Make sure it's not
+ // freed while we are working here by "locking" it. We still have to
+ // watch out for its size to be changed.
+ alist = curwin->w_alist;
+ alist->al_refcount++;
+
+ old_curwin = curwin;
+ old_curtab = curtab;
+
+ // Try closing all windows that are not in the argument list.
+ // Also close windows that are not full width;
+ // When 'hidden' or "forceit" set the buffer becomes hidden.
+ // Windows that have a changed buffer and can't be hidden won't be closed.
+ // When the ":tab" modifier was used do this for all tab pages.
+ if (had_tab > 0) {
+ goto_tabpage_tp(first_tabpage, true, true);
+ }
+ for (;;) {
+ win_T *wpnext = NULL;
+ tpnext = curtab->tp_next;
+ for (win_T *wp = firstwin; wp != NULL; wp = wpnext) {
+ int i;
+ wpnext = wp->w_next;
+ buf = wp->w_buffer;
+ if (buf->b_ffname == NULL
+ || (!keep_tabs && (buf->b_nwindows > 1 || wp->w_width != Columns))) {
+ i = opened_len;
+ } else {
+ // check if the buffer in this window is in the arglist
+ for (i = 0; i < opened_len; i++) {
+ if (i < alist->al_ga.ga_len
+ && (AARGLIST(alist)[i].ae_fnum == buf->b_fnum
+ || path_full_compare(alist_name(&AARGLIST(alist)[i]),
+ buf->b_ffname,
+ true, true) & kEqualFiles)) {
+ int weight = 1;
+
+ if (old_curtab == curtab) {
+ weight++;
+ if (old_curwin == wp) {
+ weight++;
+ }
+ }
+
+ if (weight > (int)opened[i]) {
+ opened[i] = (uint8_t)weight;
+ if (i == 0) {
+ if (new_curwin != NULL) {
+ new_curwin->w_arg_idx = opened_len;
+ }
+ new_curwin = wp;
+ new_curtab = curtab;
+ }
+ } else if (keep_tabs) {
+ i = opened_len;
+ }
+
+ if (wp->w_alist != alist) {
+ // Use the current argument list for all windows containing a file from it.
+ alist_unlink(wp->w_alist);
+ wp->w_alist = alist;
+ wp->w_alist->al_refcount++;
+ }
+ break;
+ }
+ }
+ }
+ wp->w_arg_idx = i;
+
+ if (i == opened_len && !keep_tabs) { // close this window
+ if (buf_hide(buf) || forceit || buf->b_nwindows > 1
+ || !bufIsChanged(buf)) {
+ // If the buffer was changed, and we would like to hide it, try autowriting.
+ if (!buf_hide(buf) && buf->b_nwindows <= 1 && bufIsChanged(buf)) {
+ bufref_T bufref;
+ set_bufref(&bufref, buf);
+ (void)autowrite(buf, false);
+ // Check if autocommands removed the window.
+ if (!win_valid(wp) || !bufref_valid(&bufref)) {
+ wpnext = firstwin; // Start all over...
+ continue;
+ }
+ }
+ // don't close last window
+ if (ONE_WINDOW
+ && (first_tabpage->tp_next == NULL || !had_tab)) {
+ use_firstwin = true;
+ } else {
+ win_close(wp, !buf_hide(buf) && !bufIsChanged(buf), false);
+ // check if autocommands removed the next window
+ if (!win_valid(wpnext)) {
+ // start all over...
+ wpnext = firstwin;
+ }
+ }
+ }
+ }
+ }
+
+ // Without the ":tab" modifier only do the current tab page.
+ if (had_tab == 0 || tpnext == NULL) {
+ break;
+ }
+
+ // check if autocommands removed the next tab page
+ if (!valid_tabpage(tpnext)) {
+ tpnext = first_tabpage; // start all over...
+ }
+ goto_tabpage_tp(tpnext, true, true);
+ }
+
+ // Open a window for files in the argument list that don't have one.
+ // ARGCOUNT may change while doing this, because of autocommands.
+ if (count > opened_len || count <= 0) {
+ count = opened_len;
+ }
+
+ // Don't execute Win/Buf Enter/Leave autocommands here.
+ autocmd_no_enter++;
+ autocmd_no_leave++;
+ last_curwin = curwin;
+ last_curtab = curtab;
+ win_enter(lastwin, false);
+ // ":tab drop file" should re-use an empty window to avoid "--remote-tab"
+ // leaving an empty tab page when executed locally.
+ if (keep_tabs && buf_is_empty(curbuf) && curbuf->b_nwindows == 1
+ && curbuf->b_ffname == NULL && !curbuf->b_changed) {
+ use_firstwin = true;
+ tab_drop_empty_window = true;
+ }
+
+ for (int i = 0; i < count && !got_int; i++) {
+ if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) {
+ arg_had_last = true;
+ }
+ if (opened[i] > 0) {
+ // Move the already present window to below the current window
+ if (curwin->w_arg_idx != i) {
+ FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
+ if (wp->w_arg_idx == i) {
+ if (keep_tabs) {
+ new_curwin = wp;
+ new_curtab = curtab;
+ } else if (wp->w_frame->fr_parent != curwin->w_frame->fr_parent) {
+ emsg(_("E249: window layout changed unexpectedly"));
+ i = count;
+ break;
+ } else {
+ win_move_after(wp, curwin);
+ }
+ break;
+ }
+ }
+ }
+ } else if (split_ret == OK) {
+ // trigger events for tab drop
+ if (tab_drop_empty_window && i == count - 1) {
+ autocmd_no_enter--;
+ }
+ if (!use_firstwin) { // split current window
+ p_ea_save = p_ea;
+ p_ea = true; // use space from all windows
+ split_ret = win_split(0, WSP_ROOM | WSP_BELOW);
+ p_ea = p_ea_save;
+ if (split_ret == FAIL) {
+ continue;
+ }
+ } else { // first window: do autocmd for leaving this buffer
+ autocmd_no_leave--;
+ }
+
+ // edit file "i"
+ curwin->w_arg_idx = i;
+ if (i == 0) {
+ new_curwin = curwin;
+ new_curtab = curtab;
+ }
+ (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, ECMD_ONE,
+ ((buf_hide(curwin->w_buffer)
+ || bufIsChanged(curwin->w_buffer))
+ ? ECMD_HIDE : 0) + ECMD_OLDBUF,
+ curwin);
+ if (tab_drop_empty_window && i == count - 1) {
+ autocmd_no_enter++;
+ }
+ if (use_firstwin) {
+ autocmd_no_leave++;
+ }
+ use_firstwin = false;
+ }
+ os_breakcheck();
+
+ // When ":tab" was used open a new tab for a new window repeatedly.
+ if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) {
+ cmdmod.cmod_tab = 9999;
+ }
+ }
+
+ // Remove the "lock" on the argument list.
+ alist_unlink(alist);
+
+ autocmd_no_enter--;
+ // restore last referenced tabpage's curwin
+ if (last_curtab != new_curtab) {
+ if (valid_tabpage(last_curtab)) {
+ goto_tabpage_tp(last_curtab, true, true);
+ }
+ if (win_valid(last_curwin)) {
+ win_enter(last_curwin, false);
+ }
+ }
+ // to window with first arg
+ if (valid_tabpage(new_curtab)) {
+ goto_tabpage_tp(new_curtab, true, true);
+ }
+ if (win_valid(new_curwin)) {
+ win_enter(new_curwin, false);
+ }
+
+ autocmd_no_leave--;
+ xfree(opened);
+}
+
+/// ":all" and ":sall".
+/// Also used for ":tab drop file ..." after setting the argument list.
+void ex_all(exarg_T *eap)
+{
+ if (eap->addr_count == 0) {
+ eap->line2 = 9999;
+ }
+ do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
+}
+
+/// Concatenate all files in the argument list, separated by spaces, and return
+/// it in one allocated string.
+/// Spaces and backslashes in the file names are escaped with a backslash.
+char *arg_all(void)
+{
+ char *retval = NULL;
+
+ // Do this loop two times:
+ // first time: compute the total length
+ // second time: concatenate the names
+ for (;;) {
+ int len = 0;
+ for (int idx = 0; idx < ARGCOUNT; idx++) {
+ char *p = alist_name(&ARGLIST[idx]);
+ if (p == NULL) {
+ continue;
+ }
+ if (len > 0) {
+ // insert a space in between names
+ if (retval != NULL) {
+ retval[len] = ' ';
+ }
+ len++;
+ }
+ for (; *p != NUL; p++) {
+ if (*p == ' '
+#ifndef BACKSLASH_IN_FILENAME
+ || *p == '\\'
+#endif
+ || *p == '`') {
+ // insert a backslash
+ if (retval != NULL) {
+ retval[len] = '\\';
+ }
+ len++;
+ }
+ if (retval != NULL) {
+ retval[len] = *p;
+ }
+ len++;
+ }
+ }
+
+ // second time: break here
+ if (retval != NULL) {
+ retval[len] = NUL;
+ break;
+ }
+
+ // allocate memory
+ retval = xmalloc((size_t)len + 1);
+ }
+
+ return retval;
+}
+
+/// "argc([window id])" function
+void f_argc(typval_T *argvars, typval_T *rettv, FunPtr fptr)
+{
+ if (argvars[0].v_type == VAR_UNKNOWN) {
+ // use the current window
+ rettv->vval.v_number = ARGCOUNT;
+ } else if (argvars[0].v_type == VAR_NUMBER
+ && tv_get_number(&argvars[0]) == -1) {
+ // use the global argument list
+ rettv->vval.v_number = GARGCOUNT;
+ } else {
+ // use the argument list of the specified window
+ win_T *wp = find_win_by_nr_or_id(&argvars[0]);
+ if (wp != NULL) {
+ rettv->vval.v_number = WARGCOUNT(wp);
+ } else {
+ rettv->vval.v_number = -1;
+ }
+ }
+}
+
+/// "argidx()" function
+void f_argidx(typval_T *argvars, typval_T *rettv, FunPtr fptr)
+{
+ rettv->vval.v_number = curwin->w_arg_idx;
+}
+
+/// "arglistid()" function
+void f_arglistid(typval_T *argvars, typval_T *rettv, FunPtr fptr)
+{
+ rettv->vval.v_number = -1;
+ win_T *wp = find_tabwin(&argvars[0], &argvars[1]);
+ if (wp != NULL) {
+ rettv->vval.v_number = wp->w_alist->id;
+ }
+}
+
+/// Get the argument list for a given window
+static void get_arglist_as_rettv(aentry_T *arglist, int argcount, typval_T *rettv)
+{
+ tv_list_alloc_ret(rettv, argcount);
+ if (arglist != NULL) {
+ for (int idx = 0; idx < argcount; idx++) {
+ tv_list_append_string(rettv->vval.v_list,
+ (const char *)alist_name(&arglist[idx]), -1);
+ }
+ }
+}
+
+/// "argv(nr)" function
+void f_argv(typval_T *argvars, typval_T *rettv, FunPtr fptr)
+{
+ aentry_T *arglist = NULL;
+ int argcount = -1;
+
+ if (argvars[0].v_type != VAR_UNKNOWN) {
+ if (argvars[1].v_type == VAR_UNKNOWN) {
+ arglist = ARGLIST;
+ argcount = ARGCOUNT;
+ } else if (argvars[1].v_type == VAR_NUMBER
+ && tv_get_number(&argvars[1]) == -1) {
+ arglist = GARGLIST;
+ argcount = GARGCOUNT;
+ } else {
+ win_T *wp = find_win_by_nr_or_id(&argvars[1]);
+ if (wp != NULL) {
+ // Use the argument list of the specified window
+ arglist = WARGLIST(wp);
+ argcount = WARGCOUNT(wp);
+ }
+ }
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = NULL;
+ int idx = (int)tv_get_number_chk(&argvars[0], NULL);
+ if (arglist != NULL && idx >= 0 && idx < argcount) {
+ rettv->vval.v_string = xstrdup((const char *)alist_name(&arglist[idx]));
+ } else if (idx == -1) {
+ get_arglist_as_rettv(arglist, argcount, rettv);
+ }
+ } else {
+ get_arglist_as_rettv(ARGLIST, ARGCOUNT, rettv);
+ }
+}