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neovim/src/nvim/ex_cmds2.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
/// @file ex_cmds2.c
///
/// Some more functions for command line commands
#include <assert.h>
#include <inttypes.h>
#include <stdbool.h>
#include <string.h>
#include <fcntl.h>
#include "nvim/vim.h"
#include "nvim/ascii.h"
#ifdef HAVE_LOCALE_H
# include <locale.h>
#endif
#include "nvim/ex_cmds2.h"
#include "nvim/buffer.h"
#include "nvim/change.h"
#include "nvim/charset.h"
#include "nvim/eval.h"
#include "nvim/ex_cmds.h"
#include "nvim/ex_docmd.h"
#include "nvim/ex_eval.h"
#include "nvim/ex_getln.h"
#include "nvim/fileio.h"
#include "nvim/getchar.h"
#include "nvim/mark.h"
#include "nvim/mbyte.h"
#include "nvim/message.h"
#include "nvim/misc1.h"
#include "nvim/garray.h"
#include "nvim/memory.h"
#include "nvim/move.h"
#include "nvim/normal.h"
#include "nvim/ops.h"
#include "nvim/option.h"
#include "nvim/os_unix.h"
#include "nvim/path.h"
#include "nvim/quickfix.h"
#include "nvim/regexp.h"
#include "nvim/screen.h"
#include "nvim/strings.h"
#include "nvim/undo.h"
#include "nvim/version.h"
#include "nvim/window.h"
#include "nvim/profile.h"
#include "nvim/os/os.h"
#include "nvim/os/shell.h"
#include "nvim/os/fs_defs.h"
#include "nvim/api/private/helpers.h"
#include "nvim/api/private/defs.h"
/// Growarray to store info about already sourced scripts.
/// Also store the dev/ino, so that we don't have to stat() each
/// script when going through the list.
typedef struct scriptitem_S {
char_u *sn_name;
bool file_id_valid;
FileID file_id;
bool sn_prof_on; ///< true when script is/was profiled
bool sn_pr_force; ///< forceit: profile functions in this script
proftime_T sn_pr_child; ///< time set when going into first child
int sn_pr_nest; ///< nesting for sn_pr_child
// profiling the script as a whole
int sn_pr_count; ///< nr of times sourced
proftime_T sn_pr_total; ///< time spent in script + children
proftime_T sn_pr_self; ///< time spent in script itself
proftime_T sn_pr_start; ///< time at script start
proftime_T sn_pr_children; ///< time in children after script start
// profiling the script per line
garray_T sn_prl_ga; ///< things stored for every line
proftime_T sn_prl_start; ///< start time for current line
proftime_T sn_prl_children; ///< time spent in children for this line
proftime_T sn_prl_wait; ///< wait start time for current line
linenr_T sn_prl_idx; ///< index of line being timed; -1 if none
int sn_prl_execed; ///< line being timed was executed
} scriptitem_T;
static garray_T script_items = { 0, 0, sizeof(scriptitem_T), 4, NULL };
#define SCRIPT_ITEM(id) (((scriptitem_T *)script_items.ga_data)[(id) - 1])
// Struct used in sn_prl_ga for every line of a script.
typedef struct sn_prl_S {
int snp_count; ///< nr of times line was executed
proftime_T sn_prl_total; ///< time spent in a line + children
proftime_T sn_prl_self; ///< time spent in a line itself
} sn_prl_T;
/// Structure used to store info for each sourced file.
/// It is shared between do_source() and getsourceline().
/// This is required, because it needs to be handed to do_cmdline() and
/// sourcing can be done recursively.
struct source_cookie {
FILE *fp; ///< opened file for sourcing
char_u *nextline; ///< if not NULL: line that was read ahead
int finished; ///< ":finish" used
#if defined(USE_CRNL)
int fileformat; ///< EOL_UNKNOWN, EOL_UNIX or EOL_DOS
bool error; ///< true if LF found after CR-LF
#endif
linenr_T breakpoint; ///< next line with breakpoint or zero
char_u *fname; ///< name of sourced file
int dbg_tick; ///< debug_tick when breakpoint was set
int level; ///< top nesting level of sourced file
vimconv_T conv; ///< type of conversion
};
# define PRL_ITEM(si, idx) (((sn_prl_T *)(si)->sn_prl_ga.ga_data)[(idx)])
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "ex_cmds2.c.generated.h"
#endif
/// batch mode debugging: don't save and restore typeahead.
static bool debug_greedy = false;
/// Debug mode. Repeatedly get Ex commands, until told to continue normal
/// execution.
void do_debug(char_u *cmd)
{
int save_msg_scroll = msg_scroll;
int save_State = State;
int save_did_emsg = did_emsg;
const bool save_cmd_silent = cmd_silent;
int save_msg_silent = msg_silent;
int save_emsg_silent = emsg_silent;
int save_redir_off = redir_off;
tasave_T typeaheadbuf;
bool typeahead_saved = false;
int save_ignore_script = 0;
int save_ex_normal_busy;
int n;
char_u *cmdline = NULL;
char_u *p;
char *tail = NULL;
static int last_cmd = 0;
#define CMD_CONT 1
#define CMD_NEXT 2
#define CMD_STEP 3
#define CMD_FINISH 4
#define CMD_QUIT 5
#define CMD_INTERRUPT 6
#define CMD_BACKTRACE 7
#define CMD_FRAME 8
#define CMD_UP 9
#define CMD_DOWN 10
RedrawingDisabled++; // don't redisplay the window
no_wait_return++; // don't wait for return
did_emsg = false; // don't use error from debugged stuff
cmd_silent = false; // display commands
msg_silent = false; // display messages
emsg_silent = false; // display error messages
redir_off = true; // don't redirect debug commands
State = NORMAL;
debug_mode = true;
if (!debug_did_msg) {
MSG(_("Entering Debug mode. Type \"cont\" to continue."));
}
if (sourcing_name != NULL) {
msg(sourcing_name);
}
if (sourcing_lnum != 0) {
smsg(_("line %" PRId64 ": %s"), (int64_t)sourcing_lnum, cmd);
} else {
smsg(_("cmd: %s"), cmd);
}
// Repeat getting a command and executing it.
for (;; ) {
msg_scroll = true;
need_wait_return = false;
// Save the current typeahead buffer and replace it with an empty one.
// This makes sure we get input from the user here and don't interfere
// with the commands being executed. Reset "ex_normal_busy" to avoid
// the side effects of using ":normal". Save the stuff buffer and make
// it empty. Set ignore_script to avoid reading from script input.
save_ex_normal_busy = ex_normal_busy;
ex_normal_busy = 0;
if (!debug_greedy) {
save_typeahead(&typeaheadbuf);
typeahead_saved = true;
save_ignore_script = ignore_script;
ignore_script = true;
}
xfree(cmdline);
cmdline = (char_u *)getcmdline_prompt('>', NULL, 0, EXPAND_NOTHING, NULL,
CALLBACK_NONE);
if (typeahead_saved) {
restore_typeahead(&typeaheadbuf);
ignore_script = save_ignore_script;
}
ex_normal_busy = save_ex_normal_busy;
cmdline_row = msg_row;
msg_starthere();
if (cmdline != NULL) {
// If this is a debug command, set "last_cmd".
// If not, reset "last_cmd".
// For a blank line use previous command.
p = skipwhite(cmdline);
if (*p != NUL) {
switch (*p) {
case 'c': last_cmd = CMD_CONT;
tail = "ont";
break;
case 'n': last_cmd = CMD_NEXT;
tail = "ext";
break;
case 's': last_cmd = CMD_STEP;
tail = "tep";
break;
case 'f':
last_cmd = 0;
if (p[1] == 'r') {
last_cmd = CMD_FRAME;
tail = "rame";
} else {
last_cmd = CMD_FINISH;
tail = "inish";
}
break;
case 'q': last_cmd = CMD_QUIT;
tail = "uit";
break;
case 'i': last_cmd = CMD_INTERRUPT;
tail = "nterrupt";
break;
case 'b':
last_cmd = CMD_BACKTRACE;
if (p[1] == 't') {
tail = "t";
} else {
tail = "acktrace";
}
break;
case 'w':
last_cmd = CMD_BACKTRACE;
tail = "here";
break;
case 'u':
last_cmd = CMD_UP;
tail = "p";
break;
case 'd':
last_cmd = CMD_DOWN;
tail = "own";
break;
default: last_cmd = 0;
}
if (last_cmd != 0) {
// Check that the tail matches.
p++;
while (*p != NUL && *p == *tail) {
p++;
tail++;
}
if (ASCII_ISALPHA(*p) && last_cmd != CMD_FRAME) {
last_cmd = 0;
}
}
}
if (last_cmd != 0) {
// Execute debug command: decided where to break next and return.
switch (last_cmd) {
case CMD_CONT:
debug_break_level = -1;
break;
case CMD_NEXT:
debug_break_level = ex_nesting_level;
break;
case CMD_STEP:
debug_break_level = 9999;
break;
case CMD_FINISH:
debug_break_level = ex_nesting_level - 1;
break;
case CMD_QUIT:
got_int = true;
debug_break_level = -1;
break;
case CMD_INTERRUPT:
got_int = true;
debug_break_level = 9999;
// Do not repeat ">interrupt" cmd, continue stepping.
last_cmd = CMD_STEP;
break;
case CMD_BACKTRACE:
do_showbacktrace(cmd);
continue;
case CMD_FRAME:
if (*p == NUL) {
do_showbacktrace(cmd);
} else {
p = skipwhite(p);
do_setdebugtracelevel(p);
}
continue;
case CMD_UP:
debug_backtrace_level++;
do_checkbacktracelevel();
continue;
case CMD_DOWN:
debug_backtrace_level--;
do_checkbacktracelevel();
continue;
}
// Going out reset backtrace_level
debug_backtrace_level = 0;
break;
}
// don't debug this command
n = debug_break_level;
debug_break_level = -1;
(void)do_cmdline(cmdline, getexline, NULL,
DOCMD_VERBOSE|DOCMD_EXCRESET);
debug_break_level = n;
}
lines_left = (int)(Rows - 1);
}
xfree(cmdline);
RedrawingDisabled--;
no_wait_return--;
redraw_all_later(NOT_VALID);
need_wait_return = false;
msg_scroll = save_msg_scroll;
lines_left = (int)(Rows - 1);
State = save_State;
debug_mode = false;
did_emsg = save_did_emsg;
cmd_silent = save_cmd_silent;
msg_silent = save_msg_silent;
emsg_silent = save_emsg_silent;
redir_off = save_redir_off;
// Only print the message again when typing a command before coming back here.
debug_did_msg = true;
}
static int get_maxbacktrace_level(void)
{
int maxbacktrace = 0;
if (sourcing_name != NULL) {
char *p = (char *)sourcing_name;
char *q;
while ((q = strstr(p, "..")) != NULL) {
p = q + 2;
maxbacktrace++;
}
}
return maxbacktrace;
}
static void do_setdebugtracelevel(char_u *arg)
{
int level = atoi((char *)arg);
if (*arg == '+' || level < 0) {
debug_backtrace_level += level;
} else {
debug_backtrace_level = level;
}
do_checkbacktracelevel();
}
static void do_checkbacktracelevel(void)
{
if (debug_backtrace_level < 0) {
debug_backtrace_level = 0;
MSG(_("frame is zero"));
} else {
int max = get_maxbacktrace_level();
if (debug_backtrace_level > max) {
debug_backtrace_level = max;
smsg(_("frame at highest level: %d"), max);
}
}
}
static void do_showbacktrace(char_u *cmd)
{
if (sourcing_name != NULL) {
int i = 0;
int max = get_maxbacktrace_level();
char *cur = (char *)sourcing_name;
while (!got_int) {
char *next = strstr(cur, "..");
if (next != NULL) {
*next = NUL;
}
if (i == max - debug_backtrace_level) {
smsg("->%d %s", max - i, cur);
} else {
smsg(" %d %s", max - i, cur);
}
i++;
if (next == NULL) {
break;
}
*next = '.';
cur = next + 2;
}
}
if (sourcing_lnum != 0) {
smsg(_("line %" PRId64 ": %s"), (int64_t)sourcing_lnum, cmd);
} else {
smsg(_("cmd: %s"), cmd);
}
}
/// ":debug".
void ex_debug(exarg_T *eap)
{
int debug_break_level_save = debug_break_level;
debug_break_level = 9999;
do_cmdline_cmd((char *)eap->arg);
debug_break_level = debug_break_level_save;
}
static char_u *debug_breakpoint_name = NULL;
static linenr_T debug_breakpoint_lnum;
/// When debugging or a breakpoint is set on a skipped command, no debug prompt
/// is shown by do_one_cmd(). This situation is indicated by debug_skipped, and
/// debug_skipped_name is then set to the source name in the breakpoint case. If
/// a skipped command decides itself that a debug prompt should be displayed, it
/// can do so by calling dbg_check_skipped().
static int debug_skipped;
static char_u *debug_skipped_name;
/// Go to debug mode when a breakpoint was encountered or "ex_nesting_level" is
/// at or below the break level. But only when the line is actually
/// executed. Return true and set breakpoint_name for skipped commands that
/// decide to execute something themselves.
/// Called from do_one_cmd() before executing a command.
void dbg_check_breakpoint(exarg_T *eap)
{
char_u *p;
debug_skipped = false;
if (debug_breakpoint_name != NULL) {
if (!eap->skip) {
// replace K_SNR with "<SNR>"
if (debug_breakpoint_name[0] == K_SPECIAL
&& debug_breakpoint_name[1] == KS_EXTRA
&& debug_breakpoint_name[2] == (int)KE_SNR) {
p = (char_u *)"<SNR>";
} else {
p = (char_u *)"";
}
smsg(_("Breakpoint in \"%s%s\" line %" PRId64),
p,
debug_breakpoint_name + (*p == NUL ? 0 : 3),
(int64_t)debug_breakpoint_lnum);
debug_breakpoint_name = NULL;
do_debug(eap->cmd);
} else {
debug_skipped = true;
debug_skipped_name = debug_breakpoint_name;
debug_breakpoint_name = NULL;
}
} else if (ex_nesting_level <= debug_break_level) {
if (!eap->skip) {
do_debug(eap->cmd);
} else {
debug_skipped = true;
debug_skipped_name = NULL;
}
}
}
/// Go to debug mode if skipped by dbg_check_breakpoint() because eap->skip was
/// set.
///
/// @return true when the debug mode is entered this time.
bool dbg_check_skipped(exarg_T *eap)
{
int prev_got_int;
if (debug_skipped) {
// Save the value of got_int and reset it. We don't want a previous
// interruption cause flushing the input buffer.
prev_got_int = got_int;
got_int = false;
debug_breakpoint_name = debug_skipped_name;
// eap->skip is true
eap->skip = false;
dbg_check_breakpoint(eap);
eap->skip = true;
got_int |= prev_got_int;
return true;
}
return false;
}
/// The list of breakpoints: dbg_breakp.
/// This is a grow-array of structs.
struct debuggy {
int dbg_nr; ///< breakpoint number
int dbg_type; ///< DBG_FUNC or DBG_FILE
char_u *dbg_name; ///< function or file name
regprog_T *dbg_prog; ///< regexp program
linenr_T dbg_lnum; ///< line number in function or file
int dbg_forceit; ///< ! used
};
static garray_T dbg_breakp = { 0, 0, sizeof(struct debuggy), 4, NULL };
#define BREAKP(idx) (((struct debuggy *)dbg_breakp.ga_data)[idx])
#define DEBUGGY(gap, idx) (((struct debuggy *)gap->ga_data)[idx])
static int last_breakp = 0; // nr of last defined breakpoint
// Profiling uses file and func names similar to breakpoints.
static garray_T prof_ga = { 0, 0, sizeof(struct debuggy), 4, NULL };
#define DBG_FUNC 1
#define DBG_FILE 2
/// Parse the arguments of ":profile", ":breakadd" or ":breakdel" and put them
/// in the entry just after the last one in dbg_breakp. Note that "dbg_name"
/// is allocated.
/// Returns FAIL for failure.
///
/// @param arg
/// @param gap either &dbg_breakp or &prof_ga
static int dbg_parsearg(char_u *arg, garray_T *gap)
{
char_u *p = arg;
char_u *q;
struct debuggy *bp;
bool here = false;
ga_grow(gap, 1);
bp = &DEBUGGY(gap, gap->ga_len);
// Find "func" or "file".
if (STRNCMP(p, "func", 4) == 0) {
bp->dbg_type = DBG_FUNC;
} else if (STRNCMP(p, "file", 4) == 0) {
bp->dbg_type = DBG_FILE;
} else if (gap != &prof_ga && STRNCMP(p, "here", 4) == 0) {
if (curbuf->b_ffname == NULL) {
EMSG(_(e_noname));
return FAIL;
}
bp->dbg_type = DBG_FILE;
here = true;
} else {
EMSG2(_(e_invarg2), p);
return FAIL;
}
p = skipwhite(p + 4);
// Find optional line number.
if (here) {
bp->dbg_lnum = curwin->w_cursor.lnum;
} else if (gap != &prof_ga && ascii_isdigit(*p)) {
bp->dbg_lnum = getdigits_long(&p, true, 0);
p = skipwhite(p);
} else {
bp->dbg_lnum = 0;
}
// Find the function or file name. Don't accept a function name with ().
if ((!here && *p == NUL)
|| (here && *p != NUL)
|| (bp->dbg_type == DBG_FUNC && strstr((char *)p, "()") != NULL)) {
EMSG2(_(e_invarg2), arg);
return FAIL;
}
if (bp->dbg_type == DBG_FUNC) {
bp->dbg_name = vim_strsave(p);
} else if (here) {
bp->dbg_name = vim_strsave(curbuf->b_ffname);
} else {
// Expand the file name in the same way as do_source(). This means
// doing it twice, so that $DIR/file gets expanded when $DIR is
// "~/dir".
q = expand_env_save(p);
if (q == NULL) {
return FAIL;
}
p = expand_env_save(q);
xfree(q);
if (p == NULL) {
return FAIL;
}
if (*p != '*') {
bp->dbg_name = (char_u *)fix_fname((char *)p);
xfree(p);
} else {
bp->dbg_name = p;
}
}
if (bp->dbg_name == NULL) {
return FAIL;
}
return OK;
}
/// ":breakadd". Also used for ":profile".
void ex_breakadd(exarg_T *eap)
{
struct debuggy *bp;
char_u *pat;
garray_T *gap;
gap = &dbg_breakp;
if (eap->cmdidx == CMD_profile) {
gap = &prof_ga;
}
if (dbg_parsearg(eap->arg, gap) == OK) {
bp = &DEBUGGY(gap, gap->ga_len);
bp->dbg_forceit = eap->forceit;
pat = file_pat_to_reg_pat(bp->dbg_name, NULL, NULL, false);
if (pat != NULL) {
bp->dbg_prog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
xfree(pat);
}
if (pat == NULL || bp->dbg_prog == NULL) {
xfree(bp->dbg_name);
} else {
if (bp->dbg_lnum == 0) { // default line number is 1
bp->dbg_lnum = 1;
}
if (eap->cmdidx != CMD_profile) {
DEBUGGY(gap, gap->ga_len).dbg_nr = ++last_breakp;
debug_tick++;
}
gap->ga_len++;
}
}
}
/// ":debuggreedy".
void ex_debuggreedy(exarg_T *eap)
{
if (eap->addr_count == 0 || eap->line2 != 0) {
debug_greedy = true;
} else {
debug_greedy = false;
}
}
/// ":breakdel" and ":profdel".
void ex_breakdel(exarg_T *eap)
{
struct debuggy *bp, *bpi;
int nr;
int todel = -1;
bool del_all = false;
linenr_T best_lnum = 0;
garray_T *gap;
gap = &dbg_breakp;
if (eap->cmdidx == CMD_profdel) {
gap = &prof_ga;
}
if (ascii_isdigit(*eap->arg)) {
// ":breakdel {nr}"
nr = atoi((char *)eap->arg);
for (int i = 0; i < gap->ga_len; i++) {
if (DEBUGGY(gap, i).dbg_nr == nr) {
todel = i;
break;
}
}
} else if (*eap->arg == '*') {
todel = 0;
del_all = true;
} else {
// ":breakdel {func|file} [lnum] {name}"
if (dbg_parsearg(eap->arg, gap) == FAIL) {
return;
}
bp = &DEBUGGY(gap, gap->ga_len);
for (int i = 0; i < gap->ga_len; i++) {
bpi = &DEBUGGY(gap, i);
if (bp->dbg_type == bpi->dbg_type
&& STRCMP(bp->dbg_name, bpi->dbg_name) == 0
&& (bp->dbg_lnum == bpi->dbg_lnum
|| (bp->dbg_lnum == 0
&& (best_lnum == 0
|| bpi->dbg_lnum < best_lnum)))) {
todel = i;
best_lnum = bpi->dbg_lnum;
}
}
xfree(bp->dbg_name);
}
if (todel < 0) {
EMSG2(_("E161: Breakpoint not found: %s"), eap->arg);
} else {
while (!GA_EMPTY(gap)) {
xfree(DEBUGGY(gap, todel).dbg_name);
vim_regfree(DEBUGGY(gap, todel).dbg_prog);
gap->ga_len--;
if (todel < gap->ga_len) {
memmove(&DEBUGGY(gap, todel), &DEBUGGY(gap, todel + 1),
(size_t)(gap->ga_len - todel) * sizeof(struct debuggy));
}
if (eap->cmdidx == CMD_breakdel) {
debug_tick++;
}
if (!del_all) {
break;
}
}
// If all breakpoints were removed clear the array.
if (GA_EMPTY(gap)) {
ga_clear(gap);
}
}
}
/// ":breaklist".
void ex_breaklist(exarg_T *eap)
{
struct debuggy *bp;
if (GA_EMPTY(&dbg_breakp)) {
MSG(_("No breakpoints defined"));
} else {
for (int i = 0; i < dbg_breakp.ga_len; i++) {
bp = &BREAKP(i);
if (bp->dbg_type == DBG_FILE) {
home_replace(NULL, bp->dbg_name, NameBuff, MAXPATHL, true);
}
smsg(_("%3d %s %s line %" PRId64),
bp->dbg_nr,
bp->dbg_type == DBG_FUNC ? "func" : "file",
bp->dbg_type == DBG_FUNC ? bp->dbg_name : NameBuff,
(int64_t)bp->dbg_lnum);
}
}
}
/// Find a breakpoint for a function or sourced file.
/// Returns line number at which to break; zero when no matching breakpoint.
linenr_T
dbg_find_breakpoint(
bool file, // true for a file, false for a function
char_u *fname, // file or function name
linenr_T after // after this line number
)
{
return debuggy_find(file, fname, after, &dbg_breakp, NULL);
}
/// @param file true for a file, false for a function
/// @param fname file or function name
/// @param fp[out] forceit
///
/// @returns true if profiling is on for a function or sourced file.
bool has_profiling(bool file, char_u *fname, bool *fp)
{
return debuggy_find(file, fname, (linenr_T)0, &prof_ga, fp)
!= (linenr_T)0;
}
/// Common code for dbg_find_breakpoint() and has_profiling().
static linenr_T
debuggy_find(
bool file, // true for a file, false for a function
char_u *fname, // file or function name
linenr_T after, // after this line number
garray_T *gap, // either &dbg_breakp or &prof_ga
bool *fp // if not NULL: return forceit
)
{
struct debuggy *bp;
linenr_T lnum = 0;
char_u *name = fname;
int prev_got_int;
// Return quickly when there are no breakpoints.
if (GA_EMPTY(gap)) {
return (linenr_T)0;
}
// Replace K_SNR in function name with "<SNR>".
if (!file && fname[0] == K_SPECIAL) {
name = xmalloc(STRLEN(fname) + 3);
STRCPY(name, "<SNR>");
STRCPY(name + 5, fname + 3);
}
for (int i = 0; i < gap->ga_len; i++) {
// Skip entries that are not useful or are for a line that is beyond
// an already found breakpoint.
bp = &DEBUGGY(gap, i);
if ((bp->dbg_type == DBG_FILE) == file
&& (gap == &prof_ga
|| (bp->dbg_lnum > after && (lnum == 0 || bp->dbg_lnum < lnum)))) {
// Save the value of got_int and reset it. We don't want a
// previous interruption cancel matching, only hitting CTRL-C
// while matching should abort it.
prev_got_int = got_int;
got_int = false;
if (vim_regexec_prog(&bp->dbg_prog, false, name, (colnr_T)0)) {
lnum = bp->dbg_lnum;
if (fp != NULL) {
*fp = bp->dbg_forceit;
}
}
got_int |= prev_got_int;
}
}
if (name != fname) {
xfree(name);
}
return lnum;
}
/// Called when a breakpoint was encountered.
void dbg_breakpoint(char_u *name, linenr_T lnum)
{
// We need to check if this line is actually executed in do_one_cmd()
debug_breakpoint_name = name;
debug_breakpoint_lnum = lnum;
}
static char_u *profile_fname = NULL;
/// ":profile cmd args"
void ex_profile(exarg_T *eap)
{
static proftime_T pause_time;
char_u *e;
int len;
e = skiptowhite(eap->arg);
len = (int)(e - eap->arg);
e = skipwhite(e);
if (len == 5 && STRNCMP(eap->arg, "start", 5) == 0 && *e != NUL) {
xfree(profile_fname);
profile_fname = expand_env_save_opt(e, true);
do_profiling = PROF_YES;
profile_set_wait(profile_zero());
set_vim_var_nr(VV_PROFILING, 1L);
} else if (do_profiling == PROF_NONE) {
EMSG(_("E750: First use \":profile start {fname}\""));
} else if (STRCMP(eap->arg, "stop") == 0) {
profile_dump();
do_profiling = PROF_NONE;
set_vim_var_nr(VV_PROFILING, 0L);
profile_reset();
} else if (STRCMP(eap->arg, "pause") == 0) {
if (do_profiling == PROF_YES) {
pause_time = profile_start();
}
do_profiling = PROF_PAUSED;
} else if (STRCMP(eap->arg, "continue") == 0) {
if (do_profiling == PROF_PAUSED) {
pause_time = profile_end(pause_time);
profile_set_wait(profile_add(profile_get_wait(), pause_time));
}
do_profiling = PROF_YES;
} else if (STRCMP(eap->arg, "dump") == 0) {
profile_dump();
} else {
// The rest is similar to ":breakadd".
ex_breakadd(eap);
}
}
void ex_python(exarg_T *eap)
{
script_host_execute("python", eap);
}
void ex_pyfile(exarg_T *eap)
{
script_host_execute_file("python", eap);
}
void ex_pydo(exarg_T *eap)
{
script_host_do_range("python", eap);
}
void ex_ruby(exarg_T *eap)
{
script_host_execute("ruby", eap);
}
void ex_rubyfile(exarg_T *eap)
{
script_host_execute_file("ruby", eap);
}
void ex_rubydo(exarg_T *eap)
{
script_host_do_range("ruby", eap);
}
void ex_python3(exarg_T *eap)
{
script_host_execute("python3", eap);
}
void ex_py3file(exarg_T *eap)
{
script_host_execute_file("python3", eap);
}
void ex_pydo3(exarg_T *eap)
{
script_host_do_range("python3", eap);
}
// Command line expansion for :profile.
static enum {
PEXP_SUBCMD, ///< expand :profile sub-commands
PEXP_FUNC ///< expand :profile func {funcname}
} pexpand_what;
static char *pexpand_cmds[] = {
"continue",
"dump",
"file",
"func",
"pause",
"start",
"stop",
NULL
};
/// Function given to ExpandGeneric() to obtain the profile command
/// specific expansion.
char_u *get_profile_name(expand_T *xp, int idx)
{
switch (pexpand_what) {
case PEXP_SUBCMD:
return (char_u *)pexpand_cmds[idx];
// case PEXP_FUNC: TODO
default:
return NULL;
}
}
/// Handle command line completion for :profile command.
void set_context_in_profile_cmd(expand_T *xp, const char *arg)
{
// Default: expand subcommands.
xp->xp_context = EXPAND_PROFILE;
pexpand_what = PEXP_SUBCMD;
xp->xp_pattern = (char_u *)arg;
char_u *const end_subcmd = skiptowhite((const char_u *)arg);
if (*end_subcmd == NUL) {
return;
}
if ((const char *)end_subcmd - arg == 5 && strncmp(arg, "start", 5) == 0) {
xp->xp_context = EXPAND_FILES;
xp->xp_pattern = skipwhite((const char_u *)end_subcmd);
return;
}
// TODO(tarruda): expand function names after "func"
xp->xp_context = EXPAND_NOTHING;
}
/// Dump the profiling info.
void profile_dump(void)
{
FILE *fd;
if (profile_fname != NULL) {
fd = os_fopen((char *)profile_fname, "w");
if (fd == NULL) {
EMSG2(_(e_notopen), profile_fname);
} else {
script_dump_profile(fd);
func_dump_profile(fd);
fclose(fd);
}
}
}
/// Reset all profiling information.
static void profile_reset(void)
{
// Reset sourced files.
for (int id = 1; id <= script_items.ga_len; id++) {
scriptitem_T *si = &SCRIPT_ITEM(id);
if (si->sn_prof_on) {
si->sn_prof_on = false;
si->sn_pr_force = false;
si->sn_pr_child = profile_zero();
si->sn_pr_nest = 0;
si->sn_pr_count = 0;
si->sn_pr_total = profile_zero();
si->sn_pr_self = profile_zero();
si->sn_pr_start = profile_zero();
si->sn_pr_children = profile_zero();
ga_clear(&si->sn_prl_ga);
si->sn_prl_start = profile_zero();
si->sn_prl_children = profile_zero();
si->sn_prl_wait = profile_zero();
si->sn_prl_idx = -1;
si->sn_prl_execed = 0;
}
}
// Reset functions.
size_t n = func_hashtab.ht_used;
hashitem_T *hi = func_hashtab.ht_array;
for (; n > (size_t)0; hi++) {
if (!HASHITEM_EMPTY(hi)) {
n--;
ufunc_T *uf = HI2UF(hi);
if (uf->uf_profiling) {
uf->uf_profiling = 0;
uf->uf_tm_count = 0;
uf->uf_tm_total = profile_zero();
uf->uf_tm_self = profile_zero();
uf->uf_tm_children = profile_zero();
XFREE_CLEAR(uf->uf_tml_count);
XFREE_CLEAR(uf->uf_tml_total);
XFREE_CLEAR(uf->uf_tml_self);
uf->uf_tml_start = profile_zero();
uf->uf_tml_children = profile_zero();
uf->uf_tml_wait = profile_zero();
uf->uf_tml_idx = -1;
uf->uf_tml_execed = 0;
}
}
}
XFREE_CLEAR(profile_fname);
}
/// Start profiling a script.
static void profile_init(scriptitem_T *si)
{
si->sn_pr_count = 0;
si->sn_pr_total = profile_zero();
si->sn_pr_self = profile_zero();
ga_init(&si->sn_prl_ga, sizeof(sn_prl_T), 100);
si->sn_prl_idx = -1;
si->sn_prof_on = true;
si->sn_pr_nest = 0;
}
/// Save time when starting to invoke another script or function.
void script_prof_save(
proftime_T *tm // place to store wait time
)
{
scriptitem_T *si;
if (current_sctx.sc_sid > 0 && current_sctx.sc_sid <= script_items.ga_len) {
si = &SCRIPT_ITEM(current_sctx.sc_sid);
if (si->sn_prof_on && si->sn_pr_nest++ == 0) {
si->sn_pr_child = profile_start();
}
}
*tm = profile_get_wait();
}
/// Count time spent in children after invoking another script or function.
void script_prof_restore(proftime_T *tm)
{
scriptitem_T *si;
if (current_sctx.sc_sid > 0 && current_sctx.sc_sid <= script_items.ga_len) {
si = &SCRIPT_ITEM(current_sctx.sc_sid);
if (si->sn_prof_on && --si->sn_pr_nest == 0) {
si->sn_pr_child = profile_end(si->sn_pr_child);
// don't count wait time
si->sn_pr_child = profile_sub_wait(*tm, si->sn_pr_child);
si->sn_pr_children = profile_add(si->sn_pr_children, si->sn_pr_child);
si->sn_prl_children = profile_add(si->sn_prl_children, si->sn_pr_child);
}
}
}
static proftime_T inchar_time;
/// Called when starting to wait for the user to type a character.
void prof_inchar_enter(void)
{
inchar_time = profile_start();
}
/// Called when finished waiting for the user to type a character.
void prof_inchar_exit(void)
{
inchar_time = profile_end(inchar_time);
profile_set_wait(profile_add(profile_get_wait(), inchar_time));
}
/// Dump the profiling results for all scripts in file "fd".
static void script_dump_profile(FILE *fd)
{
scriptitem_T *si;
FILE *sfd;
sn_prl_T *pp;
for (int id = 1; id <= script_items.ga_len; id++) {
si = &SCRIPT_ITEM(id);
if (si->sn_prof_on) {
fprintf(fd, "SCRIPT %s\n", si->sn_name);
if (si->sn_pr_count == 1) {
fprintf(fd, "Sourced 1 time\n");
} else {
fprintf(fd, "Sourced %d times\n", si->sn_pr_count);
}
fprintf(fd, "Total time: %s\n", profile_msg(si->sn_pr_total));
fprintf(fd, " Self time: %s\n", profile_msg(si->sn_pr_self));
fprintf(fd, "\n");
fprintf(fd, "count total (s) self (s)\n");
sfd = os_fopen((char *)si->sn_name, "r");
if (sfd == NULL) {
fprintf(fd, "Cannot open file!\n");
} else {
// Keep going till the end of file, so that trailing
// continuation lines are listed.
for (int i = 0; ; i++) {
if (vim_fgets(IObuff, IOSIZE, sfd)) {
break;
}
// When a line has been truncated, append NL, taking care
// of multi-byte characters .
if (IObuff[IOSIZE - 2] != NUL && IObuff[IOSIZE - 2] != NL) {
int n = IOSIZE - 2;
// Move to the first byte of this char.
// utf_head_off() doesn't work, because it checks
// for a truncated character.
while (n > 0 && (IObuff[n] & 0xc0) == 0x80) {
n--;
}
IObuff[n] = NL;
IObuff[n + 1] = NUL;
}
if (i < si->sn_prl_ga.ga_len
&& (pp = &PRL_ITEM(si, i))->snp_count > 0) {
fprintf(fd, "%5d ", pp->snp_count);
if (profile_equal(pp->sn_prl_total, pp->sn_prl_self)) {
fprintf(fd, " ");
} else {
fprintf(fd, "%s ", profile_msg(pp->sn_prl_total));
}
fprintf(fd, "%s ", profile_msg(pp->sn_prl_self));
} else {
fprintf(fd, " ");
}
fprintf(fd, "%s", IObuff);
}
fclose(sfd);
}
fprintf(fd, "\n");
}
}
}
/// Return true when a function defined in the current script should be
/// profiled.
bool prof_def_func(void)
{
if (current_sctx.sc_sid > 0) {
return SCRIPT_ITEM(current_sctx.sc_sid).sn_pr_force;
}
return false;
}
/// If 'autowrite' option set, try to write the file.
/// Careful: autocommands may make "buf" invalid!
///
/// @return FAIL for failure, OK otherwise
int autowrite(buf_T *buf, int forceit)
{
int r;
bufref_T bufref;
if (!(p_aw || p_awa) || !p_write
// never autowrite a "nofile" or "nowrite" buffer
|| bt_dontwrite(buf)
|| (!forceit && buf->b_p_ro) || buf->b_ffname == NULL) {
return FAIL;
}
set_bufref(&bufref, buf);
r = buf_write_all(buf, forceit);
// Writing may succeed but the buffer still changed, e.g., when there is a
// conversion error. We do want to return FAIL then.
if (bufref_valid(&bufref) && bufIsChanged(buf)) {
r = FAIL;
}
return r;
}
/// Flush all buffers, except the ones that are readonly or are never written.
void autowrite_all(void)
{
if (!(p_aw || p_awa) || !p_write) {
return;
}
FOR_ALL_BUFFERS(buf) {
if (bufIsChanged(buf) && !buf->b_p_ro && !bt_dontwrite(buf)) {
bufref_T bufref;
set_bufref(&bufref, buf);
(void)buf_write_all(buf, false);
// an autocommand may have deleted the buffer
if (!bufref_valid(&bufref)) {
buf = firstbuf;
}
}
}
}
/// Return true if buffer was changed and cannot be abandoned.
/// For flags use the CCGD_ values.
bool check_changed(buf_T *buf, int flags)
{
int forceit = (flags & CCGD_FORCEIT);
bufref_T bufref;
set_bufref(&bufref, buf);
if (!forceit
&& bufIsChanged(buf)
&& ((flags & CCGD_MULTWIN) || buf->b_nwindows <= 1)
&& (!(flags & CCGD_AW) || autowrite(buf, forceit) == FAIL)) {
if ((p_confirm || cmdmod.confirm) && p_write) {
int count = 0;
if (flags & CCGD_ALLBUF) {
FOR_ALL_BUFFERS(buf2) {
if (bufIsChanged(buf2) && (buf2->b_ffname != NULL)) {
count++;
}
}
}
if (!bufref_valid(&bufref)) {
// Autocommand deleted buffer, oops! It's not changed now.
return false;
}
dialog_changed(buf, count > 1);
if (!bufref_valid(&bufref)) {
// Autocommand deleted buffer, oops! It's not changed now.
return false;
}
return bufIsChanged(buf);
}
if (flags & CCGD_EXCMD) {
no_write_message();
} else {
no_write_message_nobang();
}
return true;
}
return false;
}
/// Ask the user what to do when abandoning a changed buffer.
/// Must check 'write' option first!
///
/// @param buf
/// @param checkall may abandon all changed buffers
void dialog_changed(buf_T *buf, bool checkall)
{
char_u buff[DIALOG_MSG_SIZE];
int ret;
// Init ea pseudo-structure, this is needed for the check_overwrite()
// function.
exarg_T ea = {
.append = false,
.forceit = false,
};
dialog_msg(buff, _("Save changes to \"%s\"?"), buf->b_fname);
if (checkall) {
ret = vim_dialog_yesnoallcancel(VIM_QUESTION, NULL, buff, 1);
} else {
ret = vim_dialog_yesnocancel(VIM_QUESTION, NULL, buff, 1);
}
if (ret == VIM_YES) {
if (buf->b_fname != NULL
&& check_overwrite(&ea,
buf,
buf->b_fname,
buf->b_ffname,
false) == OK) {
// didn't hit Cancel
(void)buf_write_all(buf, false);
}
} else if (ret == VIM_NO) {
unchanged(buf, true, false);
} else if (ret == VIM_ALL) {
// Write all modified files that can be written.
// Skip readonly buffers, these need to be confirmed
// individually.
FOR_ALL_BUFFERS(buf2) {
if (bufIsChanged(buf2) && (buf2->b_ffname != NULL) && !buf2->b_p_ro) {
bufref_T bufref;
set_bufref(&bufref, buf2);
if (buf2->b_fname != NULL
&& check_overwrite(&ea, buf2, buf2->b_fname,
buf2->b_ffname, false) == OK) {
// didn't hit Cancel
(void)buf_write_all(buf2, false);
}
// an autocommand may have deleted the buffer
if (!bufref_valid(&bufref)) {
buf2 = firstbuf;
}
}
}
} else if (ret == VIM_DISCARDALL) {
// mark all buffers as unchanged
FOR_ALL_BUFFERS(buf2) {
unchanged(buf2, true, false);
}
}
}
/// Ask the user whether to close the terminal buffer or not.
///
/// @param buf The terminal buffer.
/// @return bool Whether to close the buffer or not.
bool dialog_close_terminal(buf_T *buf)
{
char_u buff[DIALOG_MSG_SIZE];
dialog_msg(buff, _("Close \"%s\"?"),
(buf->b_fname != NULL) ? buf->b_fname : (char_u *)"?");
int ret = vim_dialog_yesnocancel(VIM_QUESTION, NULL, buff, 1);
return (ret == VIM_YES) ? true : false;
}
/// Return true if the buffer "buf" can be abandoned, either by making it
/// hidden, autowriting it or unloading it.
bool can_abandon(buf_T *buf, int forceit)
{
return buf_hide(buf)
|| !bufIsChanged(buf)
|| buf->b_nwindows > 1
|| autowrite(buf, forceit) == OK
|| forceit;
}
/// Add a buffer number to "bufnrs", unless it's already there.
static void add_bufnum(int *bufnrs, int *bufnump, int nr)
{
int i;
for (i = 0; i < *bufnump; i++) {
if (bufnrs[i] == nr) {
return;
}
}
bufnrs[*bufnump] = nr;
*bufnump = *bufnump + 1;
}
/// Check if any buffer was changed and cannot be abandoned.
/// That changed buffer becomes the current buffer.
/// When "unload" is true the current buffer is unloaded instead of making it
/// hidden. This is used for ":q!".
///
/// @param[in] hidden specifies whether to check only hidden buffers.
/// @param[in] unload specifies whether to unload, instead of hide, the buffer.
///
/// @returns true if any buffer is changed and cannot be abandoned
bool check_changed_any(bool hidden, bool unload)
{
bool ret = false;
int save;
int i;
int bufnum = 0;
size_t bufcount = 0;
int *bufnrs;
FOR_ALL_BUFFERS(buf) {
bufcount++;
}
if (bufcount == 0) {
return false;
}
bufnrs = xmalloc(sizeof(*bufnrs) * bufcount);
// curbuf
bufnrs[bufnum++] = curbuf->b_fnum;
// buf in curtab
FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
if (wp->w_buffer != curbuf) {
add_bufnum(bufnrs, &bufnum, wp->w_buffer->b_fnum);
}
}
// buf in other tab
FOR_ALL_TABS(tp) {
if (tp != curtab) {
FOR_ALL_WINDOWS_IN_TAB(wp, tp) {
add_bufnum(bufnrs, &bufnum, wp->w_buffer->b_fnum);
}
}
}
// any other buf
FOR_ALL_BUFFERS(buf) {
add_bufnum(bufnrs, &bufnum, buf->b_fnum);
}
buf_T *buf = NULL;
for (i = 0; i < bufnum; i++) {
buf = buflist_findnr(bufnrs[i]);
if (buf == NULL) {
continue;
}
if ((!hidden || buf->b_nwindows == 0) && bufIsChanged(buf)) {
bufref_T bufref;
set_bufref(&bufref, buf);
// Try auto-writing the buffer. If this fails but the buffer no
// longer exists it's not changed, that's OK.
if (check_changed(buf, (p_awa ? CCGD_AW : 0)
| CCGD_MULTWIN
| CCGD_ALLBUF) && bufref_valid(&bufref)) {
break; // didn't save - still changes
}
}
}
if (i >= bufnum) {
goto theend;
}
ret = true;
exiting = false;
// When ":confirm" used, don't give an error message.
if (!(p_confirm || cmdmod.confirm)) {
// There must be a wait_return for this message, do_buffer()
// may cause a redraw. But wait_return() is a no-op when vgetc()
// is busy (Quit used from window menu), then make sure we don't
// cause a scroll up.
if (vgetc_busy > 0) {
msg_row = cmdline_row;
msg_col = 0;
msg_didout = false;
}
if (EMSG2(_("E162: No write since last change for buffer \"%s\""),
buf_spname(buf) != NULL ? buf_spname(buf) : buf->b_fname)) {
save = no_wait_return;
no_wait_return = false;
wait_return(false);
no_wait_return = save;
}
}
// Try to find a window that contains the buffer.
if (buf != curbuf) {
FOR_ALL_TAB_WINDOWS(tp, wp) {
if (wp->w_buffer == buf) {
bufref_T bufref;
set_bufref(&bufref, buf);
goto_tabpage_win(tp, wp);
// Paranoia: did autocmds wipe out the buffer with changes?
if (!bufref_valid(&bufref)) {
goto theend;
}
goto buf_found;
}
}
}
buf_found:
// Open the changed buffer in the current window.
if (buf != curbuf) {
set_curbuf(buf, unload ? DOBUF_UNLOAD : DOBUF_GOTO);
}
theend:
xfree(bufnrs);
return ret;
}
/// Return FAIL if there is no file name, OK if there is one.
/// Give error message for FAIL.
int check_fname(void)
{
if (curbuf->b_ffname == NULL) {
EMSG(_(e_noname));
return FAIL;
}
return OK;
}
/// Flush the contents of a buffer, unless it has no file name.
///
/// @return FAIL for failure, OK otherwise
int buf_write_all(buf_T *buf, int forceit)
{
int retval;
buf_T *old_curbuf = curbuf;
retval = (buf_write(buf, buf->b_ffname, buf->b_fname,
(linenr_T)1, buf->b_ml.ml_line_count, NULL,
false, forceit, true, false));
if (curbuf != old_curbuf) {
msg_source(HL_ATTR(HLF_W));
MSG(_("Warning: Entered other buffer unexpectedly (check autocommands)"));
}
return retval;
}
/// Code to handle the argument list.
#define AL_SET 1
#define AL_ADD 2
#define AL_DEL 3
/// 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_u *do_one_arg(char_u *str)
{
char_u *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(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_u *str, int escaped)
{
ga_init(gap, (int)sizeof(char_u *), 20);
while (*str != NUL) {
GA_APPEND(char_u *, 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_u ***fnamesp, bool wig)
{
garray_T ga;
int i;
get_arglist(&ga, str, true);
if (wig) {
i = expand_wildcards(ga.ga_len, (char_u **)ga.ga_data,
fcountp, fnamesp, EW_FILE|EW_NOTFOUND);
} else {
i = gen_expand_wildcards(ga.ga_len, (char_u **)ga.ga_data,
fcountp, fnamesp, EW_FILE|EW_NOTFOUND);
}
ga_clear(&ga);
return i;
}
/// @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
///
/// @return FAIL for failure, OK otherwise.
static int do_arglist(char_u *str, int what, int after)
{
garray_T new_ga;
int exp_count;
char_u **exp_files;
char_u *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_u **)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) {
EMSG2(_(e_nomatch2), ((char_u **)new_ga.ga_data)[i]);
}
}
ga_clear(&new_ga);
} else {
int i = expand_wildcards(new_ga.ga_len, (char_u **)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) {
(void)alist_add_list(exp_count, exp_files, after);
xfree(exp_files);
} else { // what == AL_SET
alist_set(ALIST(curwin), exp_count, exp_files, false, NULL, 0);
}
}
alist_check_arg_idx();
return OK;
}
/// 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);
}
}
}
/// Return true if window "win" is editing the file at the current argument
/// index.
static 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_u **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_u *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.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 = (char_u *)fix_fname((char *)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) == FAIL) {
return;
}
i = 0;
} else {
i = curwin->w_arg_idx + (int)eap->line2;
}
do_argfile(eap, i);
}
}
/// ":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) == 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);
maketitle();
}
/// ":argdelete"
void ex_argdelete(exarg_T *eap)
{
if (eap->addr_count > 0) {
// ":1,4argdel": Delete all arguments in the range.
if (eap->line2 > ARGCOUNT) {
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 if (*eap->arg == NUL) {
EMSG(_(e_argreq));
} else {
do_arglist(eap->arg, AL_DEL, 0);
}
maketitle();
}
/// ":argdo", ":windo", ":bufdo", ":tabdo", ":cdo", ":ldo", ":cfdo" and ":lfdo"
void ex_listdo(exarg_T *eap)
{
int i;
win_T *wp;
tabpage_T *tp;
int next_fnum = 0;
char_u *save_ei = NULL;
char_u *p_shm_save;
if (eap->cmdidx != CMD_windo && eap->cmdidx != CMD_tabdo) {
// Don't do syntax HL autocommands. Skipping the syntax file is a
// great speed improvement.
save_ei = au_event_disable(",Syntax");
}
if (eap->cmdidx == CMD_windo
|| eap->cmdidx == CMD_tabdo
|| buf_hide(curbuf)
|| !check_changed(curbuf, CCGD_AW
| (eap->forceit ? CCGD_FORCEIT : 0)
| CCGD_EXCMD)) {
i = 0;
// start at the eap->line1 argument/window/buffer
wp = firstwin;
tp = first_tabpage;
switch (eap->cmdidx) {
case CMD_windo:
for (; wp != NULL && i + 1 < eap->line1; wp = wp->w_next) {
i++;
}
break;
case CMD_tabdo:
for (; tp != NULL && i + 1 < eap->line1; tp = tp->tp_next) {
i++;
}
break;
case CMD_argdo:
i = (int)eap->line1 - 1;
break;
default:
break;
}
buf_T *buf = curbuf;
size_t qf_size = 0;
// set pcmark now
if (eap->cmdidx == CMD_bufdo) {
// Advance to the first listed buffer after "eap->line1".
for (buf = firstbuf;
buf != NULL && (buf->b_fnum < eap->line1 || !buf->b_p_bl);
buf = buf->b_next) {
if (buf->b_fnum > eap->line2) {
buf = NULL;
break;
}
}
if (buf != NULL) {
goto_buffer(eap, DOBUF_FIRST, FORWARD, buf->b_fnum);
}
} else if (eap->cmdidx == CMD_cdo || eap->cmdidx == CMD_ldo
|| eap->cmdidx == CMD_cfdo || eap->cmdidx == CMD_lfdo) {
qf_size = qf_get_size(eap);
assert(eap->line1 >= 0);
if (qf_size == 0 || (size_t)eap->line1 > qf_size) {
buf = NULL;
} else {
ex_cc(eap);
buf = curbuf;
i = (int)eap->line1 - 1;
if (eap->addr_count <= 0) {
// Default to all quickfix/location list entries.
assert(qf_size < MAXLNUM);
eap->line2 = (linenr_T)qf_size;
}
}
} else {
setpcmark();
}
listcmd_busy = true; // avoids setting pcmark below
while (!got_int && buf != NULL) {
if (eap->cmdidx == CMD_argdo) {
// go to argument "i"
if (i == ARGCOUNT) {
break;
}
// Don't call do_argfile() when already there, it will try
// reloading the file.
if (curwin->w_arg_idx != i || !editing_arg_idx(curwin)) {
// Clear 'shm' to avoid that the file message overwrites
// any output from the command.
p_shm_save = vim_strsave(p_shm);
set_option_value("shm", 0L, "", 0);
do_argfile(eap, i);
set_option_value("shm", 0L, (char *)p_shm_save, 0);
xfree(p_shm_save);
}
if (curwin->w_arg_idx != i) {
break;
}
} else if (eap->cmdidx == CMD_windo) {
// go to window "wp"
if (!win_valid(wp)) {
break;
}
assert(wp);
win_goto(wp);
if (curwin != wp) {
break; // something must be wrong
}
wp = curwin->w_next;
} else if (eap->cmdidx == CMD_tabdo) {
// go to window "tp"
if (!valid_tabpage(tp)) {
break;
}
assert(tp);
goto_tabpage_tp(tp, true, true);
tp = tp->tp_next;
} else if (eap->cmdidx == CMD_bufdo) {
// Remember the number of the next listed buffer, in case
// ":bwipe" is used or autocommands do something strange.
next_fnum = -1;
for (buf_T *bp = curbuf->b_next; bp != NULL; bp = bp->b_next) {
if (bp->b_p_bl) {
next_fnum = bp->b_fnum;
break;
}
}
}
i++;
// execute the command
do_cmdline(eap->arg, eap->getline, eap->cookie,
DOCMD_VERBOSE + DOCMD_NOWAIT);
if (eap->cmdidx == CMD_bufdo) {
// Done?
if (next_fnum < 0 || next_fnum > eap->line2) {
break;
}
// Check if the buffer still exists.
bool buf_still_exists = false;
FOR_ALL_BUFFERS(bp) {
if (bp->b_fnum == next_fnum) {
buf_still_exists = true;
break;
}
}
if (!buf_still_exists) {
break;
}
// Go to the next buffer. Clear 'shm' to avoid that the file
// message overwrites any output from the command.
p_shm_save = vim_strsave(p_shm);
set_option_value("shm", 0L, "", 0);
goto_buffer(eap, DOBUF_FIRST, FORWARD, next_fnum);
set_option_value("shm", 0L, (char *)p_shm_save, 0);
xfree(p_shm_save);
// If autocommands took us elsewhere, quit here.
if (curbuf->b_fnum != next_fnum) {
break;
}
}
if (eap->cmdidx == CMD_cdo || eap->cmdidx == CMD_ldo
|| eap->cmdidx == CMD_cfdo || eap->cmdidx == CMD_lfdo) {
assert(i >= 0);
if ((size_t)i >= qf_size || i >= eap->line2) {
break;
}
size_t qf_idx = qf_get_cur_idx(eap);
ex_cnext(eap);
// If jumping to the next quickfix entry fails, quit here.
if (qf_get_cur_idx(eap) == qf_idx) {
break;
}
}
if (eap->cmdidx == CMD_windo) {
validate_cursor(); // cursor may have moved
// required when 'scrollbind' has been set
if (curwin->w_p_scb) {
do_check_scrollbind(true);
}
}
if (eap->cmdidx == CMD_windo || eap->cmdidx == CMD_tabdo) {
if (i + 1 > eap->line2) {
break;
}
}
if (eap->cmdidx == CMD_argdo && i >= eap->line2) {
break;
}
}
listcmd_busy = false;
}
if (save_ei != NULL) {
au_event_restore(save_ei);
apply_autocmds(EVENT_SYNTAX, curbuf->b_p_syn,
curbuf->b_fname, true, curbuf);
}
}
/// 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
///
/// @return index of first added argument
static int alist_add_list(int count, char_u **files, int after)
{
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++) {
ARGLIST[after + i].ae_fname = files[i];
ARGLIST[after + i].ae_fnum = buflist_add(files[i],
BLN_LISTED | BLN_CURBUF);
}
ALIST(curwin)->al_ga.ga_len += count;
if (old_argcount > 0 && curwin->w_arg_idx >= after) {
curwin->w_arg_idx += count;
}
return after;
}
}
// Function given to ExpandGeneric() to obtain the possible arguments of the
// argedit and argdelete commands.
char_u *get_arglist_name(expand_T *xp FUNC_ATTR_UNUSED, int idx)
{
if (idx >= ARGCOUNT) {
return NULL;
}
return alist_name(&ARGLIST[idx]);
}
/// ":compiler[!] {name}"
void ex_compiler(exarg_T *eap)
{
char_u *buf;
char_u *old_cur_comp = NULL;
char_u *p;
if (*eap->arg == NUL) {
// List all compiler scripts.
do_cmdline_cmd("echo globpath(&rtp, 'compiler/*.vim')"); // NOLINT
} else {
size_t bufsize = STRLEN(eap->arg) + 14;
buf = xmalloc(bufsize);
if (eap->forceit) {
// ":compiler! {name}" sets global options
do_cmdline_cmd("command -nargs=* CompilerSet set <args>");
} else {
// ":compiler! {name}" sets local options.
// To remain backwards compatible "current_compiler" is always
// used. A user's compiler plugin may set it, the distributed
// plugin will then skip the settings. Afterwards set
// "b:current_compiler" and restore "current_compiler".
// Explicitly prepend "g:" to make it work in a function.
old_cur_comp = get_var_value("g:current_compiler");
if (old_cur_comp != NULL) {
old_cur_comp = vim_strsave(old_cur_comp);
}
do_cmdline_cmd("command -nargs=* CompilerSet setlocal <args>");
}
do_unlet(S_LEN("g:current_compiler"), true);
do_unlet(S_LEN("b:current_compiler"), true);
snprintf((char *)buf, bufsize, "compiler/%s.vim", eap->arg);
if (source_runtime(buf, DIP_ALL) == FAIL) {
EMSG2(_("E666: compiler not supported: %s"), eap->arg);
}
xfree(buf);
do_cmdline_cmd(":delcommand CompilerSet");
// Set "b:current_compiler" from "current_compiler".
p = get_var_value("g:current_compiler");
if (p != NULL) {
set_internal_string_var((char_u *)"b:current_compiler", p);
}
// Restore "current_compiler" for ":compiler {name}".
if (!eap->forceit) {
if (old_cur_comp != NULL) {
set_internal_string_var((char_u *)"g:current_compiler",
old_cur_comp);
xfree(old_cur_comp);
} else {
do_unlet(S_LEN("g:current_compiler"), true);
}
}
}
}
/// ":runtime [what] {name}"
void ex_runtime(exarg_T *eap)
{
char_u *arg = eap->arg;
char_u *p = skiptowhite(arg);
ptrdiff_t len = p - arg;
int flags = eap->forceit ? DIP_ALL : 0;
if (STRNCMP(arg, "START", len) == 0) {
flags += DIP_START + DIP_NORTP;
arg = skipwhite(arg + len);
} else if (STRNCMP(arg, "OPT", len) == 0) {
flags += DIP_OPT + DIP_NORTP;
arg = skipwhite(arg + len);
} else if (STRNCMP(arg, "PACK", len) == 0) {
flags += DIP_START + DIP_OPT + DIP_NORTP;
arg = skipwhite(arg + len);
} else if (STRNCMP(arg, "ALL", len) == 0) {
flags += DIP_START + DIP_OPT;
arg = skipwhite(arg + len);
}
source_runtime(arg, flags);
}
static void source_callback(char_u *fname, void *cookie)
{
(void)do_source(fname, false, DOSO_NONE);
}
/// Find the file "name" in all directories in "path" and invoke
/// "callback(fname, cookie)".
/// "name" can contain wildcards.
/// When "flags" has DIP_ALL: source all files, otherwise only the first one.
/// When "flags" has DIP_DIR: find directories instead of files.
/// When "flags" has DIP_ERR: give an error message if there is no match.
///
/// return FAIL when no file could be sourced, OK otherwise.
int do_in_path(char_u *path, char_u *name, int flags,
DoInRuntimepathCB callback, void *cookie)
{
char_u *tail;
int num_files;
char_u **files;
int i;
bool did_one = false;
// Make a copy of 'runtimepath'. Invoking the callback may change the
// value.
char_u *rtp_copy = vim_strsave(path);
char_u *buf = xmallocz(MAXPATHL);
{
if (p_verbose > 1 && name != NULL) {
verbose_enter();
smsg(_("Searching for \"%s\" in \"%s\""),
(char *)name, (char *)path);
verbose_leave();
}
// Loop over all entries in 'runtimepath'.
char_u *rtp = rtp_copy;
while (*rtp != NUL && ((flags & DIP_ALL) || !did_one)) {
// Copy the path from 'runtimepath' to buf[].
copy_option_part(&rtp, buf, MAXPATHL, ",");
size_t buflen = STRLEN(buf);
// Skip after or non-after directories.
if (flags & (DIP_NOAFTER | DIP_AFTER)) {
bool is_after = buflen >= 5
&& STRCMP(buf + buflen - 5, "after") == 0;
if ((is_after && (flags & DIP_NOAFTER))
|| (!is_after && (flags & DIP_AFTER))) {
continue;
}
}
if (name == NULL) {
(*callback)(buf, (void *)&cookie);
if (!did_one) {
did_one = (cookie == NULL);
}
} else if (buflen + STRLEN(name) + 2 < MAXPATHL) {
add_pathsep((char *)buf);
tail = buf + STRLEN(buf);
// Loop over all patterns in "name"
char_u *np = name;
while (*np != NUL && ((flags & DIP_ALL) || !did_one)) {
// Append the pattern from "name" to buf[].
assert(MAXPATHL >= (tail - buf));
copy_option_part(&np, tail, (size_t)(MAXPATHL - (tail - buf)),
"\t ");
if (p_verbose > 2) {
verbose_enter();
smsg(_("Searching for \"%s\""), buf);
verbose_leave();
}
// Expand wildcards, invoke the callback for each match.
if (gen_expand_wildcards(1, &buf, &num_files, &files,
(flags & DIP_DIR) ? EW_DIR
: EW_FILE) == OK) {
for (i = 0; i < num_files; i++) {
(*callback)(files[i], cookie);
did_one = true;
if (!(flags & DIP_ALL)) {
break;
}
}
FreeWild(num_files, files);
}
}
}
}
}
xfree(buf);
xfree(rtp_copy);
if (!did_one && name != NULL) {
char *basepath = path == p_rtp ? "runtimepath" : "packpath";
if (flags & DIP_ERR) {
EMSG3(_(e_dirnotf), basepath, name);
} else if (p_verbose > 0) {
verbose_enter();
smsg(_("not found in '%s': \"%s\""), basepath, name);
verbose_leave();
}
}
return did_one ? OK : FAIL;
}
/// Find "name" in "path". When found, invoke the callback function for
/// it: callback(fname, "cookie")
/// When "flags" has DIP_ALL repeat for all matches, otherwise only the first
/// one is used.
/// Returns OK when at least one match found, FAIL otherwise.
/// If "name" is NULL calls callback for each entry in "path". Cookie is
/// passed by reference in this case, setting it to NULL indicates that callback
/// has done its job.
int do_in_path_and_pp(char_u *path, char_u *name, int flags,
DoInRuntimepathCB callback, void *cookie)
{
int done = FAIL;
if ((flags & DIP_NORTP) == 0) {
done = do_in_path(path, name, flags, callback, cookie);
}
if ((done == FAIL || (flags & DIP_ALL)) && (flags & DIP_START)) {
char *start_dir = "pack/*/start/*/%s"; // NOLINT
size_t len = STRLEN(start_dir) + STRLEN(name);
char_u *s = xmallocz(len);
vim_snprintf((char *)s, len, start_dir, name);
done = do_in_path(p_pp, s, flags, callback, cookie);
xfree(s);
}
if ((done == FAIL || (flags & DIP_ALL)) && (flags & DIP_OPT)) {
char *opt_dir = "pack/*/opt/*/%s"; // NOLINT
size_t len = STRLEN(opt_dir) + STRLEN(name);
char_u *s = xmallocz(len);
vim_snprintf((char *)s, len, opt_dir, name);
done = do_in_path(p_pp, s, flags, callback, cookie);
xfree(s);
}
return done;
}
/// Just like do_in_path_and_pp(), using 'runtimepath' for "path".
int do_in_runtimepath(char_u *name, int flags, DoInRuntimepathCB callback,
void *cookie)
{
return do_in_path_and_pp(p_rtp, name, flags, callback, cookie);
}
/// Source the file "name" from all directories in 'runtimepath'.
/// "name" can contain wildcards.
/// When "flags" has DIP_ALL: source all files, otherwise only the first one.
///
/// return FAIL when no file could be sourced, OK otherwise.
int source_runtime(char_u *name, int flags)
{
return source_in_path(p_rtp, name, flags);
}
/// Just like source_runtime(), but use "path" instead of 'runtimepath'.
int source_in_path(char_u *path, char_u *name, int flags)
{
return do_in_path_and_pp(path, name, flags, source_callback, NULL);
}
// Expand wildcards in "pat" and invoke do_source() for each match.
static void source_all_matches(char_u *pat)
{
int num_files;
char_u **files;
if (gen_expand_wildcards(1, &pat, &num_files, &files, EW_FILE) == OK) {
for (int i = 0; i < num_files; i++) {
(void)do_source(files[i], false, DOSO_NONE);
}
FreeWild(num_files, files);
}
}
/// Add the package directory to 'runtimepath'
static int add_pack_dir_to_rtp(char_u *fname)
{
char_u *p4, *p3, *p2, *p1, *p;
char_u *buf = NULL;
char *afterdir = NULL;
int retval = FAIL;
p4 = p3 = p2 = p1 = get_past_head(fname);
for (p = p1; *p; MB_PTR_ADV(p)) {
if (vim_ispathsep_nocolon(*p)) {
p4 = p3; p3 = p2; p2 = p1; p1 = p;
}
}
// now we have:
// rtp/pack/name/start/name
// p4 p3 p2 p1
//
// find the part up to "pack" in 'runtimepath'
p4++; // append pathsep in order to expand symlink
char_u c = *p4;
*p4 = NUL;
char *const ffname = fix_fname((char *)fname);
*p4 = c;
if (ffname == NULL) {
return FAIL;
}
// Find "ffname" in "p_rtp", ignoring '/' vs '\' differences
// Also stop at the first "after" directory
size_t fname_len = strlen(ffname);
buf = try_malloc(MAXPATHL);
if (buf == NULL) {
goto theend;
}
const char *insp = NULL;
const char *after_insp = NULL;
for (const char *entry = (const char *)p_rtp; *entry != NUL; ) {
const char *cur_entry = entry;
copy_option_part((char_u **)&entry, buf, MAXPATHL, ",");
if (insp == NULL) {
add_pathsep((char *)buf);
char *const rtp_ffname = fix_fname((char *)buf);
if (rtp_ffname == NULL) {
goto theend;
}
bool match = path_fnamencmp(rtp_ffname, ffname, fname_len) == 0;
xfree(rtp_ffname);
if (match) {
// Insert "ffname" after this entry (and comma).
insp = entry;
}
}
if ((p = (char_u *)strstr((char *)buf, "after")) != NULL
&& p > buf
&& vim_ispathsep(p[-1])
&& (vim_ispathsep(p[5]) || p[5] == NUL || p[5] == ',')) {
if (insp == NULL) {
// Did not find "ffname" before the first "after" directory,
// insert it before this entry.
insp = cur_entry;
}
after_insp = cur_entry;
break;
}
}
if (insp == NULL) {
// Both "fname" and "after" not found, append at the end.
insp = (const char *)p_rtp + STRLEN(p_rtp);
}
// check if rtp/pack/name/start/name/after exists
afterdir = concat_fnames((char *)fname, "after", true);
size_t afterlen = 0;
if (os_isdir((char_u *)afterdir)) {
afterlen = strlen(afterdir) + 1; // add one for comma
}
const size_t oldlen = STRLEN(p_rtp);
const size_t addlen = STRLEN(fname) + 1; // add one for comma
const size_t new_rtp_capacity = oldlen + addlen + afterlen + 1;
// add one for NUL ------------------------------------------^
char *const new_rtp = try_malloc(new_rtp_capacity);
if (new_rtp == NULL) {
goto theend;
}
// We now have 'rtp' parts: {keep}{keep_after}{rest}.
// Create new_rtp, first: {keep},{fname}
size_t keep = (size_t)(insp - (const char *)p_rtp);
memmove(new_rtp, p_rtp, keep);
size_t new_rtp_len = keep;
if (*insp == NUL) {
new_rtp[new_rtp_len++] = ','; // add comma before
}
memmove(new_rtp + new_rtp_len, fname, addlen - 1);
new_rtp_len += addlen - 1;
if (*insp != NUL) {
new_rtp[new_rtp_len++] = ','; // add comma after
}
if (afterlen > 0 && after_insp != NULL) {
size_t keep_after = (size_t)(after_insp - (const char *)p_rtp);
// Add to new_rtp: {keep},{fname}{keep_after},{afterdir}
memmove(new_rtp + new_rtp_len, p_rtp + keep, keep_after - keep);
new_rtp_len += keep_after - keep;
memmove(new_rtp + new_rtp_len, afterdir, afterlen - 1);
new_rtp_len += afterlen - 1;
new_rtp[new_rtp_len++] = ',';
keep = keep_after;
}
if (p_rtp[keep] != NUL) {
// Append rest: {keep},{fname}{keep_after},{afterdir}{rest}
memmove(new_rtp + new_rtp_len, p_rtp + keep, oldlen - keep + 1);
} else {
new_rtp[new_rtp_len] = NUL;
}
if (afterlen > 0 && after_insp == NULL) {
// Append afterdir when "after" was not found:
// {keep},{fname}{rest},{afterdir}
xstrlcat(new_rtp, ",", new_rtp_capacity);
xstrlcat(new_rtp, afterdir, new_rtp_capacity);
}
set_option_value("rtp", 0L, new_rtp, 0);
xfree(new_rtp);
retval = OK;
theend:
xfree(buf);
xfree(ffname);
xfree(afterdir);
return retval;
}
/// Load scripts in "plugin" and "ftdetect" directories of the package.
static int load_pack_plugin(char_u *fname)
{
static const char *plugpat = "%s/plugin/**/*.vim"; // NOLINT
static const char *ftpat = "%s/ftdetect/*.vim"; // NOLINT
int retval = FAIL;
char *const ffname = fix_fname((char *)fname);
size_t len = strlen(ffname) + STRLEN(ftpat);
char_u *pat = try_malloc(len + 1);
if (pat == NULL) {
goto theend;
}
vim_snprintf((char *)pat, len, plugpat, ffname);
source_all_matches(pat);
char_u *cmd = vim_strsave((char_u *)"g:did_load_filetypes");
// If runtime/filetype.vim wasn't loaded yet, the scripts will be
// found when it loads.
if (eval_to_number(cmd) > 0) {
do_cmdline_cmd("augroup filetypedetect");
vim_snprintf((char *)pat, len, ftpat, ffname);
source_all_matches(pat);
do_cmdline_cmd("augroup END");
}
xfree(cmd);
xfree(pat);
retval = OK;
theend:
xfree(ffname);
return retval;
}
// used for "cookie" of add_pack_plugin()
static int APP_ADD_DIR;
static int APP_LOAD;
static int APP_BOTH;
static void add_pack_plugin(char_u *fname, void *cookie)
{
if (cookie != &APP_LOAD) {
char *buf = xmalloc(MAXPATHL);
bool found = false;
const char *p = (const char *)p_rtp;
while (*p != NUL) {
copy_option_part((char_u **)&p, (char_u *)buf, MAXPATHL, ",");
if (path_fnamecmp(buf, (char *)fname) == 0) {
found = true;
break;
}
}
xfree(buf);
if (!found) {
// directory is not yet in 'runtimepath', add it
if (add_pack_dir_to_rtp(fname) == FAIL) {
return;
}
}
}
if (cookie != &APP_ADD_DIR) {
load_pack_plugin(fname);
}
}
/// Add all packages in the "start" directory to 'runtimepath'.
void add_pack_start_dirs(void)
{
do_in_path(p_pp, (char_u *)"pack/*/start/*", DIP_ALL + DIP_DIR, // NOLINT
add_pack_plugin, &APP_ADD_DIR);
}
/// Load plugins from all packages in the "start" directory.
void load_start_packages(void)
{
did_source_packages = true;
do_in_path(p_pp, (char_u *)"pack/*/start/*", DIP_ALL + DIP_DIR, // NOLINT
add_pack_plugin, &APP_LOAD);
}
// ":packloadall"
// Find plugins in the package directories and source them.
void ex_packloadall(exarg_T *eap)
{
if (!did_source_packages || eap->forceit) {
// First do a round to add all directories to 'runtimepath', then load
// the plugins. This allows for plugins to use an autoload directory
// of another plugin.
add_pack_start_dirs();
load_start_packages();
}
}
/// ":packadd[!] {name}"
void ex_packadd(exarg_T *eap)
{
static const char *plugpat = "pack/*/%s/%s"; // NOLINT
int res = OK;
// Round 1: use "start", round 2: use "opt".
for (int round = 1; round <= 2; round++) {
// Only look under "start" when loading packages wasn't done yet.
if (round == 1 && did_source_packages) {
continue;
}
const size_t len = STRLEN(plugpat) + STRLEN(eap->arg) + 5;
char *pat = xmallocz(len);
vim_snprintf(pat, len, plugpat, round == 1 ? "start" : "opt", eap->arg);
// The first round don't give a "not found" error, in the second round
// only when nothing was found in the first round.
res = do_in_path(p_pp, (char_u *)pat,
DIP_ALL + DIP_DIR
+ (round == 2 && res == FAIL ? DIP_ERR : 0),
add_pack_plugin, eap->forceit ? &APP_ADD_DIR : &APP_BOTH);
xfree(pat);
}
}
/// ":options"
void ex_options(exarg_T *eap)
{
os_setenv("OPTWIN_CMD", cmdmod.tab ? "tab" : "", 1);
os_setenv("OPTWIN_CMD",
cmdmod.tab ? "tab" :
(cmdmod.split & WSP_VERT) ? "vert" : "", 1);
cmd_source((char_u *)SYS_OPTWIN_FILE, NULL);
}
// Detect Python 3 or 2, and initialize 'pyxversion'.
void init_pyxversion(void)
{
if (p_pyx == 0) {
if (eval_has_provider("python3")) {
p_pyx = 3;
} else if (eval_has_provider("python")) {
p_pyx = 2;
}
}
}
// Does a file contain one of the following strings at the beginning of any
// line?
// "#!(any string)python2" => returns 2
// "#!(any string)python3" => returns 3
// "# requires python 2.x" => returns 2
// "# requires python 3.x" => returns 3
// otherwise return 0.
static int requires_py_version(char_u *filename)
{
FILE *file;
int requires_py_version = 0;
int i, lines;
lines = (int)p_mls;
if (lines < 0) {
lines = 5;
}
file = os_fopen((char *)filename, "r");
if (file != NULL) {
for (i = 0; i < lines; i++) {
if (vim_fgets(IObuff, IOSIZE, file)) {
break;
}
if (i == 0 && IObuff[0] == '#' && IObuff[1] == '!') {
// Check shebang.
if (strstr((char *)IObuff + 2, "python2") != NULL) {
requires_py_version = 2;
break;
}
if (strstr((char *)IObuff + 2, "python3") != NULL) {
requires_py_version = 3;
break;
}
}
IObuff[21] = '\0';
if (STRCMP("# requires python 2.x", IObuff) == 0) {
requires_py_version = 2;
break;
}
if (STRCMP("# requires python 3.x", IObuff) == 0) {
requires_py_version = 3;
break;
}
}
fclose(file);
}
return requires_py_version;
}
// Source a python file using the requested python version.
static void source_pyx_file(exarg_T *eap, char_u *fname)
{
exarg_T ex;
long int v = requires_py_version(fname);
init_pyxversion();
if (v == 0) {
// user didn't choose a preference, 'pyx' is used
v = p_pyx;
}
// now source, if required python version is not supported show
// unobtrusive message.
if (eap == NULL) {
memset(&ex, 0, sizeof(ex));
} else {
ex = *eap;
}
ex.arg = fname;
ex.cmd = (char_u *)(v == 2 ? "pyfile" : "pyfile3");
if (v == 2) {
ex_pyfile(&ex);
} else {
ex_py3file(&ex);
}
}
// ":pyxfile {fname}"
void ex_pyxfile(exarg_T *eap)
{
source_pyx_file(eap, eap->arg);
}
// ":pyx"
void ex_pyx(exarg_T *eap)
{
init_pyxversion();
if (p_pyx == 2) {
ex_python(eap);
} else {
ex_python3(eap);
}
}
// ":pyxdo"
void ex_pyxdo(exarg_T *eap)
{
init_pyxversion();
if (p_pyx == 2) {
ex_pydo(eap);
} else {
ex_pydo3(eap);
}
}
/// ":source {fname}"
void ex_source(exarg_T *eap)
{
cmd_source(eap->arg, eap);
}
static void cmd_source(char_u *fname, exarg_T *eap)
{
if (*fname == NUL) {
EMSG(_(e_argreq));
} else if (eap != NULL && eap->forceit) {
// ":source!": read Normal mode commands
// Need to execute the commands directly. This is required at least
// for:
// - ":g" command busy
// - after ":argdo", ":windo" or ":bufdo"
// - another command follows
// - inside a loop
openscript(fname, global_busy || listcmd_busy || eap->nextcmd != NULL
|| eap->cstack->cs_idx >= 0);
// ":source" read ex commands
} else if (do_source(fname, false, DOSO_NONE) == FAIL) {
EMSG2(_(e_notopen), fname);
}
}
/// ":source" and associated commands.
///
/// @return address holding the next breakpoint line for a source cookie
linenr_T *source_breakpoint(void *cookie)
{
return &((struct source_cookie *)cookie)->breakpoint;
}
/// Return the address holding the debug tick for a source cookie.
int *source_dbg_tick(void *cookie)
{
return &((struct source_cookie *)cookie)->dbg_tick;
}
/// Return the nesting level for a source cookie.
int source_level(void *cookie)
{
return ((struct source_cookie *)cookie)->level;
}
/// Special function to open a file without handle inheritance.
/// If possible the handle is closed on exec().
static FILE *fopen_noinh_readbin(char *filename)
{
#ifdef WIN32
int fd_tmp = os_open(filename, O_RDONLY | O_BINARY | O_NOINHERIT, 0);
#else
int fd_tmp = os_open(filename, O_RDONLY, 0);
#endif
if (fd_tmp < 0) {
return NULL;
}
(void)os_set_cloexec(fd_tmp);
return fdopen(fd_tmp, READBIN);
}
/// Read the file "fname" and execute its lines as EX commands.
///
/// This function may be called recursively!
///
/// @param fname
/// @param check_other check for .vimrc and _vimrc
/// @param is_vimrc DOSO_ value
///
/// @return FAIL if file could not be opened, OK otherwise
int do_source(char_u *fname, int check_other, int is_vimrc)
{
struct source_cookie cookie;
char_u *save_sourcing_name;
linenr_T save_sourcing_lnum;
char_u *p;
char_u *fname_exp;
char_u *firstline = NULL;
int retval = FAIL;
static scid_T last_current_SID = 0;
static int last_current_SID_seq = 0;
void *save_funccalp;
int save_debug_break_level = debug_break_level;
scriptitem_T *si = NULL;
proftime_T wait_start;
bool trigger_source_post = false;
p = expand_env_save(fname);
if (p == NULL) {
return retval;
}
fname_exp = (char_u *)fix_fname((char *)p);
xfree(p);
if (fname_exp == NULL) {
return retval;
}
if (os_isdir(fname_exp)) {
smsg(_("Cannot source a directory: \"%s\""), fname);
goto theend;
}
// Apply SourceCmd autocommands, they should get the file and source it.
if (has_autocmd(EVENT_SOURCECMD, fname_exp, NULL)
&& apply_autocmds(EVENT_SOURCECMD, fname_exp, fname_exp,
false, curbuf)) {
retval = aborting() ? FAIL : OK;
if (retval == OK) {
// Apply SourcePost autocommands.
apply_autocmds(EVENT_SOURCEPOST, fname_exp, fname_exp, false, curbuf);
}
goto theend;
}
// Apply SourcePre autocommands, they may get the file.
apply_autocmds(EVENT_SOURCEPRE, fname_exp, fname_exp, false, curbuf);
cookie.fp = fopen_noinh_readbin((char *)fname_exp);
if (cookie.fp == NULL && check_other) {
// Try again, replacing file name ".vimrc" by "_vimrc" or vice versa,
// and ".exrc" by "_exrc" or vice versa.
p = path_tail(fname_exp);
if ((*p == '.' || *p == '_')
&& (STRICMP(p + 1, "nvimrc") == 0 || STRICMP(p + 1, "exrc") == 0)) {
*p = (*p == '_') ? '.' : '_';
cookie.fp = fopen_noinh_readbin((char *)fname_exp);
}
}
if (cookie.fp == NULL) {
if (p_verbose > 0) {
verbose_enter();
if (sourcing_name == NULL) {
smsg(_("could not source \"%s\""), fname);
} else {
smsg(_("line %" PRId64 ": could not source \"%s\""),
(int64_t)sourcing_lnum, fname);
}
verbose_leave();
}
goto theend;
}
// The file exists.
// - In verbose mode, give a message.
// - For a vimrc file, may want to call vimrc_found().
if (p_verbose > 1) {
verbose_enter();
if (sourcing_name == NULL) {
smsg(_("sourcing \"%s\""), fname);
} else {
smsg(_("line %" PRId64 ": sourcing \"%s\""),
(int64_t)sourcing_lnum, fname);
}
verbose_leave();
}
if (is_vimrc == DOSO_VIMRC) {
vimrc_found(fname_exp, (char_u *)"MYVIMRC");
}
#ifdef USE_CRNL
// If no automatic file format: Set default to CR-NL.
if (*p_ffs == NUL) {
cookie.fileformat = EOL_DOS;
} else {
cookie.fileformat = EOL_UNKNOWN;
}
cookie.error = false;
#endif
cookie.nextline = NULL;
cookie.finished = false;
// Check if this script has a breakpoint.
cookie.breakpoint = dbg_find_breakpoint(true, fname_exp, (linenr_T)0);
cookie.fname = fname_exp;
cookie.dbg_tick = debug_tick;
cookie.level = ex_nesting_level;
// Keep the sourcing name/lnum, for recursive calls.
save_sourcing_name = sourcing_name;
sourcing_name = fname_exp;
save_sourcing_lnum = sourcing_lnum;
sourcing_lnum = 0;
// start measuring script load time if --startuptime was passed and
// time_fd was successfully opened afterwards.
proftime_T rel_time;
proftime_T start_time;
FILE * const l_time_fd = time_fd;
if (l_time_fd != NULL) {
time_push(&rel_time, &start_time);
}
const int l_do_profiling = do_profiling;
if (l_do_profiling == PROF_YES) {
prof_child_enter(&wait_start); // entering a child now
}
// Don't use local function variables, if called from a function.
// Also starts profiling timer for nested script.
save_funccalp = save_funccal();
// Check if this script was sourced before to finds its SID.
// If it's new, generate a new SID.
// Always use a new sequence number.
const sctx_T save_current_sctx = current_sctx;
current_sctx.sc_seq = ++last_current_SID_seq;
current_sctx.sc_lnum = 0;
FileID file_id;
bool file_id_ok = os_fileid((char *)fname_exp, &file_id);
assert(script_items.ga_len >= 0);
for (current_sctx.sc_sid = script_items.ga_len; current_sctx.sc_sid > 0;
current_sctx.sc_sid--) {
si = &SCRIPT_ITEM(current_sctx.sc_sid);
// Compare dev/ino when possible, it catches symbolic links.
// Also compare file names, the inode may change when the file was edited.
bool file_id_equal = file_id_ok && si->file_id_valid
&& os_fileid_equal(&(si->file_id), &file_id);
if (si->sn_name != NULL
&& (file_id_equal || fnamecmp(si->sn_name, fname_exp) == 0)) {
break;
}
}
if (current_sctx.sc_sid == 0) {
current_sctx.sc_sid = ++last_current_SID;
ga_grow(&script_items, (int)(current_sctx.sc_sid - script_items.ga_len));
while (script_items.ga_len < current_sctx.sc_sid) {
script_items.ga_len++;
SCRIPT_ITEM(script_items.ga_len).sn_name = NULL;
SCRIPT_ITEM(script_items.ga_len).sn_prof_on = false;
}
si = &SCRIPT_ITEM(current_sctx.sc_sid);
si->sn_name = fname_exp;
fname_exp = vim_strsave(si->sn_name); // used for autocmd
if (file_id_ok) {
si->file_id_valid = true;
si->file_id = file_id;
} else {
si->file_id_valid = false;
}
// Allocate the local script variables to use for this script.
new_script_vars(current_sctx.sc_sid);
}
if (l_do_profiling == PROF_YES) {
bool forceit;
// Check if we do profiling for this script.
if (!si->sn_prof_on && has_profiling(true, si->sn_name, &forceit)) {
profile_init(si);
si->sn_pr_force = forceit;
}
if (si->sn_prof_on) {
si->sn_pr_count++;
si->sn_pr_start = profile_start();
si->sn_pr_children = profile_zero();
}
}
cookie.conv.vc_type = CONV_NONE; // no conversion
// Read the first line so we can check for a UTF-8 BOM.
firstline = getsourceline(0, (void *)&cookie, 0, true);
if (firstline != NULL && STRLEN(firstline) >= 3 && firstline[0] == 0xef
&& firstline[1] == 0xbb && firstline[2] == 0xbf) {
// Found BOM; setup conversion, skip over BOM and recode the line.
convert_setup(&cookie.conv, (char_u *)"utf-8", p_enc);
p = string_convert(&cookie.conv, firstline + 3, NULL);
if (p == NULL) {
p = vim_strsave(firstline + 3);
}
xfree(firstline);
firstline = p;
}
// Call do_cmdline, which will call getsourceline() to get the lines.
do_cmdline(firstline, getsourceline, (void *)&cookie,
DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_REPEAT);
retval = OK;
if (l_do_profiling == PROF_YES) {
// Get "si" again, "script_items" may have been reallocated.
si = &SCRIPT_ITEM(current_sctx.sc_sid);
if (si->sn_prof_on) {
si->sn_pr_start = profile_end(si->sn_pr_start);
si->sn_pr_start = profile_sub_wait(wait_start, si->sn_pr_start);
si->sn_pr_total = profile_add(si->sn_pr_total, si->sn_pr_start);
si->sn_pr_self = profile_self(si->sn_pr_self, si->sn_pr_start,
si->sn_pr_children);
}
}
if (got_int) {
EMSG(_(e_interr));
}
sourcing_name = save_sourcing_name;
sourcing_lnum = save_sourcing_lnum;
if (p_verbose > 1) {
verbose_enter();
smsg(_("finished sourcing %s"), fname);
if (sourcing_name != NULL) {
smsg(_("continuing in %s"), sourcing_name);
}
verbose_leave();
}
if (l_time_fd != NULL) {
vim_snprintf((char *)IObuff, IOSIZE, "sourcing %s", fname);
time_msg((char *)IObuff, &start_time);
time_pop(rel_time);
}
if (!got_int) {
trigger_source_post = true;
}
// After a "finish" in debug mode, need to break at first command of next
// sourced file.
if (save_debug_break_level > ex_nesting_level
&& debug_break_level == ex_nesting_level) {
debug_break_level++;
}
current_sctx = save_current_sctx;
restore_funccal(save_funccalp);
if (l_do_profiling == PROF_YES) {
prof_child_exit(&wait_start); // leaving a child now
}
fclose(cookie.fp);
xfree(cookie.nextline);
xfree(firstline);
convert_setup(&cookie.conv, NULL, NULL);
if (trigger_source_post) {
apply_autocmds(EVENT_SOURCEPOST, fname_exp, fname_exp, false, curbuf);
}
theend:
xfree(fname_exp);
return retval;
}
/// ":scriptnames"
void ex_scriptnames(exarg_T *eap)
{
if (eap->addr_count > 0) {
// :script {scriptId}: edit the script
if (eap->line2 < 1 || eap->line2 > script_items.ga_len) {
EMSG(_(e_invarg));
} else {
eap->arg = SCRIPT_ITEM(eap->line2).sn_name;
do_exedit(eap, NULL);
}
return;
}
for (int i = 1; i <= script_items.ga_len && !got_int; i++) {
if (SCRIPT_ITEM(i).sn_name != NULL) {
home_replace(NULL, SCRIPT_ITEM(i).sn_name,
NameBuff, MAXPATHL, true);
smsg("%3d: %s", i, NameBuff);
}
}
}
# if defined(BACKSLASH_IN_FILENAME)
/// Fix slashes in the list of script names for 'shellslash'.
void scriptnames_slash_adjust(void)
{
for (int i = 1; i <= script_items.ga_len; i++) {
if (SCRIPT_ITEM(i).sn_name != NULL) {
slash_adjust(SCRIPT_ITEM(i).sn_name);
}
}
}
# endif
/// Get a pointer to a script name. Used for ":verbose set".
char_u *get_scriptname(LastSet last_set, bool *should_free)
{
*should_free = false;
switch (last_set.script_ctx.sc_sid) {
case SID_MODELINE:
return (char_u *)_("modeline");
case SID_CMDARG:
return (char_u *)_("--cmd argument");
case SID_CARG:
return (char_u *)_("-c argument");
case SID_ENV:
return (char_u *)_("environment variable");
case SID_ERROR:
return (char_u *)_("error handler");
case SID_LUA:
return (char_u *)_("Lua");
case SID_API_CLIENT:
vim_snprintf((char *)IObuff, IOSIZE,
_("API client (channel id %" PRIu64 ")"),
last_set.channel_id);
return IObuff;
default:
*should_free = true;
return home_replace_save(NULL,
SCRIPT_ITEM(last_set.script_ctx.sc_sid).sn_name);
}
}
# if defined(EXITFREE)
void free_scriptnames(void)
{
profile_reset();
# define FREE_SCRIPTNAME(item) xfree((item)->sn_name)
GA_DEEP_CLEAR(&script_items, scriptitem_T, FREE_SCRIPTNAME);
}
# endif
/// Get one full line from a sourced file.
/// Called by do_cmdline() when it's called from do_source().
///
/// @return pointer to the line in allocated memory, or NULL for end-of-file or
/// some error.
char_u *getsourceline(int c, void *cookie, int indent, bool do_concat)
{
struct source_cookie *sp = (struct source_cookie *)cookie;
char_u *line;
char_u *p;
// If breakpoints have been added/deleted need to check for it.
if (sp->dbg_tick < debug_tick) {
sp->breakpoint = dbg_find_breakpoint(true, sp->fname, sourcing_lnum);
sp->dbg_tick = debug_tick;
}
if (do_profiling == PROF_YES) {
script_line_end();
}
// Get current line. If there is a read-ahead line, use it, otherwise get
// one now.
if (sp->finished) {
line = NULL;
} else if (sp->nextline == NULL) {
line = get_one_sourceline(sp);
} else {
line = sp->nextline;
sp->nextline = NULL;
sourcing_lnum++;
}
if (line != NULL && do_profiling == PROF_YES) {
script_line_start();
}
// Only concatenate lines starting with a \ when 'cpoptions' doesn't
// contain the 'C' flag.
if (line != NULL && do_concat && (vim_strchr(p_cpo, CPO_CONCAT) == NULL)) {
// compensate for the one line read-ahead
sourcing_lnum--;
// Get the next line and concatenate it when it starts with a
// backslash. We always need to read the next line, keep it in
// sp->nextline.
// Also check for a comment in between continuation lines: "\ .
sp->nextline = get_one_sourceline(sp);
if (sp->nextline != NULL
&& (*(p = skipwhite(sp->nextline)) == '\\'
|| (p[0] == '"' && p[1] == '\\' && p[2] == ' '))) {
garray_T ga;
ga_init(&ga, (int)sizeof(char_u), 400);
ga_concat(&ga, line);
if (*p == '\\') {
ga_concat(&ga, p + 1);
}
for (;; ) {
xfree(sp->nextline);
sp->nextline = get_one_sourceline(sp);
if (sp->nextline == NULL) {
break;
}
p = skipwhite(sp->nextline);
if (*p == '\\') {
// Adjust the growsize to the current length to speed up
// concatenating many lines.
if (ga.ga_len > 400) {
ga_set_growsize(&ga, (ga.ga_len > 8000) ? 8000 : ga.ga_len);
}
ga_concat(&ga, p + 1);
} else if (p[0] != '"' || p[1] != '\\' || p[2] != ' ') {
break;
}
}
ga_append(&ga, NUL);
xfree(line);
line = ga.ga_data;
}
}
if (line != NULL && sp->conv.vc_type != CONV_NONE) {
char_u *s;
// Convert the encoding of the script line.
s = string_convert(&sp->conv, line, NULL);
if (s != NULL) {
xfree(line);
line = s;
}
}
// Did we encounter a breakpoint?
if (sp->breakpoint != 0 && sp->breakpoint <= sourcing_lnum) {
dbg_breakpoint(sp->fname, sourcing_lnum);
// Find next breakpoint.
sp->breakpoint = dbg_find_breakpoint(true, sp->fname, sourcing_lnum);
sp->dbg_tick = debug_tick;
}
return line;
}
static char_u *get_one_sourceline(struct source_cookie *sp)
{
garray_T ga;
int len;
int c;
char_u *buf;
#ifdef USE_CRNL
int has_cr; // CR-LF found
#endif
bool have_read = false;
// use a growarray to store the sourced line
ga_init(&ga, 1, 250);
// Loop until there is a finished line (or end-of-file).
sourcing_lnum++;
for (;; ) {
// make room to read at least 120 (more) characters
ga_grow(&ga, 120);
buf = (char_u *)ga.ga_data;
retry:
errno = 0;
if (fgets((char *)buf + ga.ga_len, ga.ga_maxlen - ga.ga_len,
sp->fp) == NULL) {
if (errno == EINTR) {
goto retry;
}
break;
}
len = ga.ga_len + (int)STRLEN(buf + ga.ga_len);
#ifdef USE_CRNL
// Ignore a trailing CTRL-Z, when in Dos mode. Only recognize the
// CTRL-Z by its own, or after a NL.
if ((len == 1 || (len >= 2 && buf[len - 2] == '\n'))
&& sp->fileformat == EOL_DOS
&& buf[len - 1] == Ctrl_Z) {
buf[len - 1] = NUL;
break;
}
#endif
have_read = true;
ga.ga_len = len;
// If the line was longer than the buffer, read more.
if (ga.ga_maxlen - ga.ga_len == 1 && buf[len - 1] != '\n') {
continue;
}
if (len >= 1 && buf[len - 1] == '\n') { // remove trailing NL
#ifdef USE_CRNL
has_cr = (len >= 2 && buf[len - 2] == '\r');
if (sp->fileformat == EOL_UNKNOWN) {
if (has_cr) {
sp->fileformat = EOL_DOS;
} else {
sp->fileformat = EOL_UNIX;
}
}
if (sp->fileformat == EOL_DOS) {
if (has_cr) { // replace trailing CR
buf[len - 2] = '\n';
len--;
ga.ga_len--;
} else { // lines like ":map xx yy^M" will have failed
if (!sp->error) {
msg_source(HL_ATTR(HLF_W));
EMSG(_("W15: Warning: Wrong line separator, ^M may be missing"));
}
sp->error = true;
sp->fileformat = EOL_UNIX;
}
}
#endif
// The '\n' is escaped if there is an odd number of ^V's just
// before it, first set "c" just before the 'V's and then check
// len&c parities (is faster than ((len-c)%2 == 0)) -- Acevedo
for (c = len - 2; c >= 0 && buf[c] == Ctrl_V; c--) {}
if ((len & 1) != (c & 1)) { // escaped NL, read more
sourcing_lnum++;
continue;
}
buf[len - 1] = NUL; // remove the NL
}
// Check for ^C here now and then, so recursive :so can be broken.
line_breakcheck();
break;
}
if (have_read) {
return (char_u *)ga.ga_data;
}
xfree(ga.ga_data);
return NULL;
}
/// Called when starting to read a script line.
/// "sourcing_lnum" must be correct!
/// When skipping lines it may not actually be executed, but we won't find out
/// until later and we need to store the time now.
void script_line_start(void)
{
scriptitem_T *si;
sn_prl_T *pp;
if (current_sctx.sc_sid <= 0 || current_sctx.sc_sid > script_items.ga_len) {
return;
}
si = &SCRIPT_ITEM(current_sctx.sc_sid);
if (si->sn_prof_on && sourcing_lnum >= 1) {
// Grow the array before starting the timer, so that the time spent
// here isn't counted.
(void)ga_grow(&si->sn_prl_ga,
(int)(sourcing_lnum - si->sn_prl_ga.ga_len));
si->sn_prl_idx = sourcing_lnum - 1;
while (si->sn_prl_ga.ga_len <= si->sn_prl_idx
&& si->sn_prl_ga.ga_len < si->sn_prl_ga.ga_maxlen) {
// Zero counters for a line that was not used before.
pp = &PRL_ITEM(si, si->sn_prl_ga.ga_len);
pp->snp_count = 0;
pp->sn_prl_total = profile_zero();
pp->sn_prl_self = profile_zero();
si->sn_prl_ga.ga_len++;
}
si->sn_prl_execed = false;
si->sn_prl_start = profile_start();
si->sn_prl_children = profile_zero();
si->sn_prl_wait = profile_get_wait();
}
}
/// Called when actually executing a function line.
void script_line_exec(void)
{
scriptitem_T *si;
if (current_sctx.sc_sid <= 0 || current_sctx.sc_sid > script_items.ga_len) {
return;
}
si = &SCRIPT_ITEM(current_sctx.sc_sid);
if (si->sn_prof_on && si->sn_prl_idx >= 0) {
si->sn_prl_execed = true;
}
}
/// Called when done with a function line.
void script_line_end(void)
{
scriptitem_T *si;
sn_prl_T *pp;
if (current_sctx.sc_sid <= 0 || current_sctx.sc_sid > script_items.ga_len) {
return;
}
si = &SCRIPT_ITEM(current_sctx.sc_sid);
if (si->sn_prof_on && si->sn_prl_idx >= 0
&& si->sn_prl_idx < si->sn_prl_ga.ga_len) {
if (si->sn_prl_execed) {
pp = &PRL_ITEM(si, si->sn_prl_idx);
pp->snp_count++;
si->sn_prl_start = profile_end(si->sn_prl_start);
si->sn_prl_start = profile_sub_wait(si->sn_prl_wait, si->sn_prl_start);
pp->sn_prl_total = profile_add(pp->sn_prl_total, si->sn_prl_start);
pp->sn_prl_self = profile_self(pp->sn_prl_self, si->sn_prl_start,
si->sn_prl_children);
}
si->sn_prl_idx = -1;
}
}
/// ":scriptencoding": Set encoding conversion for a sourced script.
/// Without the multi-byte feature it's simply ignored.
void ex_scriptencoding(exarg_T *eap)
{
struct source_cookie *sp;
char_u *name;
if (!getline_equal(eap->getline, eap->cookie, getsourceline)) {
EMSG(_("E167: :scriptencoding used outside of a sourced file"));
return;
}
if (*eap->arg != NUL) {
name = enc_canonize(eap->arg);
} else {
name = eap->arg;
}
// Setup for conversion from the specified encoding to 'encoding'.
sp = (struct source_cookie *)getline_cookie(eap->getline, eap->cookie);
convert_setup(&sp->conv, name, p_enc);
if (name != eap->arg) {
xfree(name);
}
}
/// ":finish": Mark a sourced file as finished.
void ex_finish(exarg_T *eap)
{
if (getline_equal(eap->getline, eap->cookie, getsourceline)) {
do_finish(eap, false);
} else {
EMSG(_("E168: :finish used outside of a sourced file"));
}
}
/// Mark a sourced file as finished. Possibly makes the ":finish" pending.
/// Also called for a pending finish at the ":endtry" or after returning from
/// an extra do_cmdline(). "reanimate" is used in the latter case.
void do_finish(exarg_T *eap, int reanimate)
{
int idx;
if (reanimate) {
((struct source_cookie *)getline_cookie(eap->getline,
eap->cookie))->finished = false;
}
// Cleanup (and inactivate) conditionals, but stop when a try conditional
// not in its finally clause (which then is to be executed next) is found.
// In this case, make the ":finish" pending for execution at the ":endtry".
// Otherwise, finish normally.
idx = cleanup_conditionals(eap->cstack, 0, true);
if (idx >= 0) {
eap->cstack->cs_pending[idx] = CSTP_FINISH;
report_make_pending(CSTP_FINISH, NULL);
} else {
((struct source_cookie *)getline_cookie(eap->getline,
eap->cookie))->finished = true;
}
}
/// Return true when a sourced file had the ":finish" command: Don't give error
/// message for missing ":endif".
/// Return false when not sourcing a file.
bool source_finished(LineGetter fgetline, void *cookie)
{
return getline_equal(fgetline, cookie, getsourceline)
&& ((struct source_cookie *)getline_cookie(
fgetline, cookie))->finished;
}
/// ":checktime [buffer]"
void ex_checktime(exarg_T *eap)
{
buf_T *buf;
int save_no_check_timestamps = no_check_timestamps;
no_check_timestamps = 0;
if (eap->addr_count == 0) { // default is all buffers
check_timestamps(false);
} else {
buf = buflist_findnr((int)eap->line2);
if (buf != NULL) { // cannot happen?
(void)buf_check_timestamp(buf, false);
}
}
no_check_timestamps = save_no_check_timestamps;
}
#if defined(HAVE_LOCALE_H)
# define HAVE_GET_LOCALE_VAL
static char *get_locale_val(int what)
{
// Obtain the locale value from the libraries.
char *loc = setlocale(what, NULL);
return loc;
}
#endif
// Return true when "lang" starts with a valid language name.
// Rejects NULL, empty string, "C", "C.UTF-8" and others.
static bool is_valid_mess_lang(char *lang)
{
return lang != NULL && ASCII_ISALPHA(lang[0]) && ASCII_ISALPHA(lang[1]);
}
/// Obtain the current messages language. Used to set the default for
/// 'helplang'. May return NULL or an empty string.
char *get_mess_lang(void)
{
char *p;
# ifdef HAVE_GET_LOCALE_VAL
# if defined(LC_MESSAGES)
p = get_locale_val(LC_MESSAGES);
# else
// This is necessary for Win32, where LC_MESSAGES is not defined and $LANG
// may be set to the LCID number. LC_COLLATE is the best guess, LC_TIME
// and LC_MONETARY may be set differently for a Japanese working in the
// US.
p = get_locale_val(LC_COLLATE);
# endif
# else
p = os_getenv("LC_ALL");
if (!is_valid_mess_lang(p)) {
p = os_getenv("LC_MESSAGES");
if (!is_valid_mess_lang(p)) {
p = os_getenv("LANG");
}
}
# endif
return is_valid_mess_lang(p) ? p : NULL;
}
// Complicated #if; matches with where get_mess_env() is used below.
#ifdef HAVE_WORKING_LIBINTL
/// Get the language used for messages from the environment.
static char_u *get_mess_env(void)
{
char_u *p;
p = (char_u *)os_getenv("LC_ALL");
if (p == NULL) {
p = (char_u *)os_getenv("LC_MESSAGES");
if (p == NULL) {
p = (char_u *)os_getenv("LANG");
if (p != NULL && ascii_isdigit(*p)) {
p = NULL; // ignore something like "1043"
}
# ifdef HAVE_GET_LOCALE_VAL
if (p == NULL) {
p = (char_u *)get_locale_val(LC_CTYPE);
}
# endif
}
}
return p;
}
#endif
/// Set the "v:lang" variable according to the current locale setting.
/// Also do "v:lc_time"and "v:ctype".
void set_lang_var(void)
{
const char *loc;
# ifdef HAVE_GET_LOCALE_VAL
loc = get_locale_val(LC_CTYPE);
# else
// setlocale() not supported: use the default value
loc = "C";
# endif
set_vim_var_string(VV_CTYPE, loc, -1);
// When LC_MESSAGES isn't defined use the value from $LC_MESSAGES, fall
// back to LC_CTYPE if it's empty.
# ifdef HAVE_WORKING_LIBINTL
loc = (char *)get_mess_env();
# elif defined(LC_MESSAGES)
loc = get_locale_val(LC_MESSAGES);
# else
// In Windows LC_MESSAGES is not defined fallback to LC_CTYPE
loc = get_locale_val(LC_CTYPE);
# endif
set_vim_var_string(VV_LANG, loc, -1);
# ifdef HAVE_GET_LOCALE_VAL
loc = get_locale_val(LC_TIME);
# endif
set_vim_var_string(VV_LC_TIME, loc, -1);
}
#ifdef HAVE_WORKING_LIBINTL
///
/// ":language": Set the language (locale).
///
/// @param eap
///
void ex_language(exarg_T *eap)
{
char *loc;
char_u *p;
char_u *name;
int what = LC_ALL;
char *whatstr = "";
#ifdef LC_MESSAGES
# define VIM_LC_MESSAGES LC_MESSAGES
#else
# define VIM_LC_MESSAGES 6789
#endif
name = eap->arg;
// Check for "messages {name}", "ctype {name}" or "time {name}" argument.
// Allow abbreviation, but require at least 3 characters to avoid
// confusion with a two letter language name "me" or "ct".
p = skiptowhite(eap->arg);
if ((*p == NUL || ascii_iswhite(*p)) && p - eap->arg >= 3) {
if (STRNICMP(eap->arg, "messages", p - eap->arg) == 0) {
what = VIM_LC_MESSAGES;
name = skipwhite(p);
whatstr = "messages ";
} else if (STRNICMP(eap->arg, "ctype", p - eap->arg) == 0) {
what = LC_CTYPE;
name = skipwhite(p);
whatstr = "ctype ";
} else if (STRNICMP(eap->arg, "time", p - eap->arg) == 0) {
what = LC_TIME;
name = skipwhite(p);
whatstr = "time ";
}
}
if (*name == NUL) {
#ifdef HAVE_WORKING_LIBINTL
if (what == VIM_LC_MESSAGES) {
p = get_mess_env();
} else {
#endif
p = (char_u *)setlocale(what, NULL);
#ifdef HAVE_WORKING_LIBINTL
}
#endif
if (p == NULL || *p == NUL) {
p = (char_u *)"Unknown";
}
smsg(_("Current %slanguage: \"%s\""), whatstr, p);
} else {
#ifndef LC_MESSAGES
if (what == VIM_LC_MESSAGES) {
loc = "";
} else {
#endif
loc = setlocale(what, (char *)name);
#ifdef LC_NUMERIC
// Make sure strtod() uses a decimal point, not a comma.
setlocale(LC_NUMERIC, "C");
#endif
#ifndef LC_MESSAGES
}
#endif
if (loc == NULL) {
EMSG2(_("E197: Cannot set language to \"%s\""), name);
} else {
#ifdef HAVE_NL_MSG_CAT_CNTR
// Need to do this for GNU gettext, otherwise cached translations
// will be used again.
extern int _nl_msg_cat_cntr;
_nl_msg_cat_cntr++;
#endif
// Reset $LC_ALL, otherwise it would overrule everything.
os_setenv("LC_ALL", "", 1);
if (what != LC_TIME) {
// Tell gettext() what to translate to. It apparently doesn't
// use the currently effective locale.
if (what == LC_ALL) {
os_setenv("LANG", (char *)name, 1);
// Clear $LANGUAGE because GNU gettext uses it.
os_setenv("LANGUAGE", "", 1);
}
if (what != LC_CTYPE) {
os_setenv("LC_MESSAGES", (char *)name, 1);
set_helplang_default((char *)name);
}
}
// Set v:lang, v:lc_time and v:ctype to the final result.
set_lang_var();
maketitle();
}
}
}
static char_u **locales = NULL; // Array of all available locales
#ifndef WIN32
static bool did_init_locales = false;
/// Return an array of strings for all available locales + NULL for the
/// last element. Return NULL in case of error.
static char_u **find_locales(void)
{
garray_T locales_ga;
char_u *loc;
char *saveptr = NULL;
// Find all available locales by running command "locale -a". If this
// doesn't work we won't have completion.
char_u *locale_a = get_cmd_output((char_u *)"locale -a", NULL,
kShellOptSilent, NULL);
if (locale_a == NULL) {
return NULL;
}
ga_init(&locales_ga, sizeof(char_u *), 20);
// Transform locale_a string where each locale is separated by "\n"
// into an array of locale strings.
loc = (char_u *)os_strtok((char *)locale_a, "\n", &saveptr);
while (loc != NULL) {
loc = vim_strsave(loc);
GA_APPEND(char_u *, &locales_ga, loc);
loc = (char_u *)os_strtok(NULL, "\n", &saveptr);
}
xfree(locale_a);
// Guarantee that .ga_data is NULL terminated
ga_grow(&locales_ga, 1);
((char_u **)locales_ga.ga_data)[locales_ga.ga_len] = NULL;
return (char_u **)locales_ga.ga_data;
}
#endif
/// Lazy initialization of all available locales.
static void init_locales(void)
{
#ifndef WIN32
if (!did_init_locales) {
did_init_locales = true;
locales = find_locales();
}
#endif
}
# if defined(EXITFREE)
void free_locales(void)
{
int i;
if (locales != NULL) {
for (i = 0; locales[i] != NULL; i++) {
xfree(locales[i]);
}
XFREE_CLEAR(locales);
}
}
# endif
/// Function given to ExpandGeneric() to obtain the possible arguments of the
/// ":language" command.
char_u *get_lang_arg(expand_T *xp, int idx)
{
if (idx == 0) {
return (char_u *)"messages";
}
if (idx == 1) {
return (char_u *)"ctype";
}
if (idx == 2) {
return (char_u *)"time";
}
init_locales();
if (locales == NULL) {
return NULL;
}
return locales[idx - 3];
}
/// Function given to ExpandGeneric() to obtain the available locales.
char_u *get_locales(expand_T *xp, int idx)
{
init_locales();
if (locales == NULL) {
return NULL;
}
return locales[idx];
}
#endif
static void script_host_execute(char *name, exarg_T *eap)
{
size_t len;
char *const script = script_get(eap, &len);
if (script != NULL) {
list_T *const args = tv_list_alloc(3);
// script
tv_list_append_allocated_string(args, script);
// current range
tv_list_append_number(args, (int)eap->line1);
tv_list_append_number(args, (int)eap->line2);
(void)eval_call_provider(name, "execute", args);
}
}
static void script_host_execute_file(char *name, exarg_T *eap)
{
uint8_t buffer[MAXPATHL];
vim_FullName((char *)eap->arg, (char *)buffer, sizeof(buffer), false);
list_T *args = tv_list_alloc(3);
// filename
tv_list_append_string(args, (const char *)buffer, -1);
// current range
tv_list_append_number(args, (int)eap->line1);
tv_list_append_number(args, (int)eap->line2);
(void)eval_call_provider(name, "execute_file", args);
}
static void script_host_do_range(char *name, exarg_T *eap)
{
list_T *args = tv_list_alloc(3);
tv_list_append_number(args, (int)eap->line1);
tv_list_append_number(args, (int)eap->line2);
tv_list_append_string(args, (const char *)eap->arg, -1);
(void)eval_call_provider(name, "do_range", args);
}
/// ":drop"
/// Opens the first argument in a window. When there are two or more arguments
/// the argument list is redefined.
void ex_drop(exarg_T *eap)
{
bool split = false;
buf_T *buf;
// Check if the first argument is already being edited in a window. If
// so, jump to that window.
// We would actually need to check all arguments, but that's complicated
// and mostly only one file is dropped.
// This also ignores wildcards, since it is very unlikely the user is
// editing a file name with a wildcard character.
do_arglist(eap->arg, AL_SET, 0);
// Expanding wildcards may result in an empty argument list. E.g. when
// editing "foo.pyc" and ".pyc" is in 'wildignore'. Assume that we
// already did an error message for this.
if (ARGCOUNT == 0) {
return;
}
if (cmdmod.tab) {
// ":tab drop file ...": open a tab for each argument that isn't
// edited in a window yet. It's like ":tab all" but without closing
// windows or tabs.
ex_all(eap);
} else {
// ":drop file ...": Edit the first argument. Jump to an existing
// window if possible, edit in current window if the current buffer
// can be abandoned, otherwise open a new window.
buf = buflist_findnr(ARGLIST[0].ae_fnum);
FOR_ALL_TAB_WINDOWS(tp, wp) {
if (wp->w_buffer == buf) {
goto_tabpage_win(tp, wp);
curwin->w_arg_idx = 0;
return;
}
}
// Check whether the current buffer is changed. If so, we will need
// to split the current window or data could be lost.
// Skip the check if the 'hidden' option is set, as in this case the
// buffer won't be lost.
if (!buf_hide(curbuf)) {
emsg_off++;
split = check_changed(curbuf, CCGD_AW | CCGD_EXCMD);
emsg_off--;
}
// Fake a ":sfirst" or ":first" command edit the first argument.
if (split) {
eap->cmdidx = CMD_sfirst;
eap->cmd[0] = 's';
} else {
eap->cmdidx = CMD_first;
}
ex_rewind(eap);
}
}
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