Adding upstream version 2:8.1.0875.upstream/2%8.1.0875upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 5729 insertions, 0 deletions

diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
new file mode 100644
index 0000000..30efcdf
--- /dev/null
+++ b/src/ex_cmds2.c
@@ -0,0 +1,5729 @@
+/* vi:set ts=8 sts=4 sw=4 noet:
+ *
+ * VIM - Vi IMproved	by Bram Moolenaar
+ *
+ * Do ":help uganda"  in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+
+/*
+ * ex_cmds2.c: some more functions for command line commands
+ */
+
+#include "vim.h"
+#include "version.h"
+
+static void	cmd_source(char_u *fname, exarg_T *eap);
+
+#ifdef FEAT_EVAL
+/* Growarray to store info about already sourced scripts.
+ * For Unix 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;
+# ifdef UNIX
+    int		sn_dev_valid;
+    dev_t	sn_dev;
+    ino_t	sn_ino;
+# endif
+# ifdef FEAT_PROFILE
+    int		sn_prof_on;	/* TRUE when script is/was profiled */
+    int		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 */
+    int		sn_prl_idx;	/* index of line being timed; -1 if none */
+    int		sn_prl_execed;	/* line being timed was executed */
+# endif
+} 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])
+
+# ifdef FEAT_PROFILE
+/* 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;
+
+#  define PRL_ITEM(si, idx)	(((sn_prl_T *)(si)->sn_prl_ga.ga_data)[(idx)])
+# endif
+#endif
+
+#if defined(FEAT_EVAL) || defined(PROTO)
+static int debug_greedy = FALSE;	/* batch mode debugging: don't save
+					   and restore typeahead. */
+static void do_setdebugtracelevel(char_u *arg);
+static void do_checkbacktracelevel(void);
+static void do_showbacktrace(char_u *cmd);
+
+static char_u *debug_oldval = NULL;	/* old and newval for debug expressions */
+static char_u *debug_newval = NULL;
+static int     debug_expr   = 0;        /* use debug_expr */
+
+    int
+has_watchexpr(void)
+{
+    return debug_expr;
+}
+
+/*
+ * do_debug(): 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;
+    int		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;
+    int		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
+
+#ifdef ALWAYS_USE_GUI
+    /* Can't do this when there is no terminal for input/output. */
+    if (!gui.in_use)
+    {
+	/* Break as soon as possible. */
+	debug_break_level = 9999;
+	return;
+    }
+#endif
+
+    /* Make sure we are in raw mode and start termcap mode.  Might have side
+     * effects... */
+    settmode(TMODE_RAW);
+    starttermcap();
+
+    ++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 (debug_oldval != NULL)
+    {
+	smsg(_("Oldval = \"%s\""), debug_oldval);
+	vim_free(debug_oldval);
+	debug_oldval = NULL;
+    }
+    if (debug_newval != NULL)
+    {
+	smsg(_("Newval = \"%s\""), debug_newval);
+	vim_free(debug_newval);
+	debug_newval = NULL;
+    }
+    if (sourcing_name != NULL)
+	msg((char *)sourcing_name);
+    if (sourcing_lnum != 0)
+	smsg(_("line %ld: %s"), (long)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;
+	}
+
+	vim_free(cmdline);
+	cmdline = getcmdline_prompt('>', NULL, 0, EXPAND_NOTHING, NULL);
+
+	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 = Rows - 1;
+    }
+    vim_free(cmdline);
+
+    --RedrawingDisabled;
+    --no_wait_return;
+    redraw_all_later(NOT_VALID);
+    need_wait_return = FALSE;
+    msg_scroll = save_msg_scroll;
+    lines_left = 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)
+{
+    char	*p, *q;
+    int		maxbacktrace = 0;
+
+    if (sourcing_name != NULL)
+    {
+	p = (char *)sourcing_name;
+	while ((q = strstr(p, "..")) != NULL)
+	{
+	    p = q + 2;
+	    maxbacktrace++;
+	}
+    }
+    return maxbacktrace;
+}
+
+    static void
+do_setdebugtracelevel(char_u *arg)
+{
+    int level;
+
+    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)
+{
+    char    *cur;
+    char    *next;
+    int	    i = 0;
+    int	    max = get_maxbacktrace_level();
+
+    if (sourcing_name != NULL)
+    {
+	cur = (char *)sourcing_name;
+	while (!got_int)
+	{
+	    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 %ld: %s"), (long)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(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 %ld"),
+		    p,
+		    debug_breakpoint_name + (*p == NUL ? 0 : 3),
+		    (long)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.
+ */
+    int
+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;
+	(void)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, DBG_FILE or DBG_EXPR */
+    char_u	*dbg_name;	/* function, expression or file name */
+    regprog_T	*dbg_prog;	/* regexp program */
+    linenr_T	dbg_lnum;	/* line number in function or file */
+    int		dbg_forceit;	/* ! used */
+#ifdef FEAT_EVAL
+    typval_T    *dbg_val;       /* last result of watchexpression */
+#endif
+    int		dbg_level;      /* stored nested level for expr */
+};
+
+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 */
+
+#ifdef FEAT_PROFILE
+/* Profiling uses file and func names similar to breakpoints. */
+static garray_T prof_ga = {0, 0, sizeof(struct debuggy), 4, NULL};
+#endif
+#define DBG_FUNC	1
+#define DBG_FILE	2
+#define DBG_EXPR	3
+
+static linenr_T debuggy_find(int file,char_u *fname, linenr_T after, garray_T *gap, int *fp);
+
+/*
+ * 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.
+ */
+    static int
+dbg_parsearg(
+    char_u	*arg,
+    garray_T	*gap)	    /* either &dbg_breakp or &prof_ga */
+{
+    char_u	*p = arg;
+    char_u	*q;
+    struct debuggy *bp;
+    int		here = FALSE;
+
+    if (ga_grow(gap, 1) == FAIL)
+	return FAIL;
+    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 (
+#ifdef FEAT_PROFILE
+	    gap != &prof_ga &&
+#endif
+	    STRNCMP(p, "here", 4) == 0)
+    {
+	if (curbuf->b_ffname == NULL)
+	{
+	    emsg(_(e_noname));
+	    return FAIL;
+	}
+	bp->dbg_type = DBG_FILE;
+	here = TRUE;
+    }
+    else if (
+#ifdef FEAT_PROFILE
+	    gap != &prof_ga &&
+#endif
+	    STRNCMP(p, "expr", 4) == 0)
+	bp->dbg_type = DBG_EXPR;
+    else
+    {
+	semsg(_(e_invarg2), p);
+	return FAIL;
+    }
+    p = skipwhite(p + 4);
+
+    /* Find optional line number. */
+    if (here)
+	bp->dbg_lnum = curwin->w_cursor.lnum;
+    else if (
+#ifdef FEAT_PROFILE
+	    gap != &prof_ga &&
+#endif
+	    VIM_ISDIGIT(*p))
+    {
+	bp->dbg_lnum = getdigits(&p);
+	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))
+    {
+	semsg(_(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 if (bp->dbg_type == DBG_EXPR)
+    {
+	bp->dbg_name = vim_strsave(p);
+	if (bp->dbg_name != NULL)
+	    bp->dbg_val = eval_expr(bp->dbg_name, NULL);
+    }
+    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);
+	vim_free(q);
+	if (p == NULL)
+	    return FAIL;
+	if (*p != '*')
+	{
+	    bp->dbg_name = fix_fname(p);
+	    vim_free(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;
+#ifdef FEAT_PROFILE
+    if (eap->cmdidx == CMD_profile)
+	gap = &prof_ga;
+#endif
+
+    if (dbg_parsearg(eap->arg, gap) == OK)
+    {
+	bp = &DEBUGGY(gap, gap->ga_len);
+	bp->dbg_forceit = eap->forceit;
+
+	if (bp->dbg_type != DBG_EXPR)
+	{
+	    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);
+		vim_free(pat);
+	    }
+	    if (pat == NULL || bp->dbg_prog == NULL)
+		vim_free(bp->dbg_name);
+	    else
+	    {
+		if (bp->dbg_lnum == 0)	/* default line number is 1 */
+		    bp->dbg_lnum = 1;
+#ifdef FEAT_PROFILE
+		if (eap->cmdidx != CMD_profile)
+#endif
+		{
+		    DEBUGGY(gap, gap->ga_len).dbg_nr = ++last_breakp;
+		    ++debug_tick;
+		}
+		++gap->ga_len;
+	    }
+	}
+	else
+	{
+	    /* DBG_EXPR */
+	    DEBUGGY(gap, gap->ga_len++).dbg_nr = ++last_breakp;
+	    ++debug_tick;
+	}
+    }
+}
+
+/*
+ * ":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;
+    int		del_all = FALSE;
+    int		i;
+    linenr_T	best_lnum = 0;
+    garray_T	*gap;
+
+    gap = &dbg_breakp;
+    if (eap->cmdidx == CMD_profdel)
+    {
+#ifdef FEAT_PROFILE
+	gap = &prof_ga;
+#else
+	ex_ni(eap);
+	return;
+#endif
+    }
+
+    if (vim_isdigit(*eap->arg))
+    {
+	/* ":breakdel {nr}" */
+	nr = atol((char *)eap->arg);
+	for (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|expr} [lnum] {name}" */
+	if (dbg_parsearg(eap->arg, gap) == FAIL)
+	    return;
+	bp = &DEBUGGY(gap, gap->ga_len);
+	for (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;
+	    }
+	}
+	vim_free(bp->dbg_name);
+    }
+
+    if (todel < 0)
+	semsg(_("E161: Breakpoint not found: %s"), eap->arg);
+    else
+    {
+	while (gap->ga_len > 0)
+	{
+	    vim_free(DEBUGGY(gap, todel).dbg_name);
+#ifdef FEAT_EVAL
+	    if (DEBUGGY(gap, todel).dbg_type == DBG_EXPR
+		    && DEBUGGY(gap, todel).dbg_val != NULL)
+		free_tv(DEBUGGY(gap, todel).dbg_val);
+#endif
+	    vim_regfree(DEBUGGY(gap, todel).dbg_prog);
+	    --gap->ga_len;
+	    if (todel < gap->ga_len)
+		mch_memmove(&DEBUGGY(gap, todel), &DEBUGGY(gap, todel + 1),
+			      (gap->ga_len - todel) * sizeof(struct debuggy));
+#ifdef FEAT_PROFILE
+	    if (eap->cmdidx == CMD_breakdel)
+#endif
+		++debug_tick;
+	    if (!del_all)
+		break;
+	}
+
+	/* If all breakpoints were removed clear the array. */
+	if (gap->ga_len == 0)
+	    ga_clear(gap);
+    }
+}
+
+/*
+ * ":breaklist".
+ */
+    void
+ex_breaklist(exarg_T *eap UNUSED)
+{
+    struct debuggy *bp;
+    int		i;
+
+    if (dbg_breakp.ga_len == 0)
+	msg(_("No breakpoints defined"));
+    else
+	for (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);
+	    if (bp->dbg_type != DBG_EXPR)
+		smsg(_("%3d  %s %s  line %ld"),
+		    bp->dbg_nr,
+		    bp->dbg_type == DBG_FUNC ? "func" : "file",
+		    bp->dbg_type == DBG_FUNC ? bp->dbg_name : NameBuff,
+		    (long)bp->dbg_lnum);
+	    else
+		smsg(_("%3d  expr %s"),
+		    bp->dbg_nr, bp->dbg_name);
+	}
+}
+
+/*
+ * 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(
+    int		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);
+}
+
+#if defined(FEAT_PROFILE) || defined(PROTO)
+/*
+ * Return TRUE if profiling is on for a function or sourced file.
+ */
+    int
+has_profiling(
+    int		file,	    /* TRUE for a file, FALSE for a function */
+    char_u	*fname,	    /* file or function name */
+    int		*fp)	    /* return: forceit */
+{
+    return (debuggy_find(file, fname, (linenr_T)0, &prof_ga, fp)
+							      != (linenr_T)0);
+}
+#endif
+
+/*
+ * Common code for dbg_find_breakpoint() and has_profiling().
+ */
+    static linenr_T
+debuggy_find(
+    int		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 */
+    int		*fp)	    /* if not NULL: return forceit */
+{
+    struct debuggy *bp;
+    int		i;
+    linenr_T	lnum = 0;
+    char_u	*name = fname;
+    int		prev_got_int;
+
+    /* Return quickly when there are no breakpoints. */
+    if (gap->ga_len == 0)
+	return (linenr_T)0;
+
+    /* Replace K_SNR in function name with "<SNR>". */
+    if (!file && fname[0] == K_SPECIAL)
+    {
+	name = alloc((unsigned)STRLEN(fname) + 3);
+	if (name == NULL)
+	    name = fname;
+	else
+	{
+	    STRCPY(name, "<SNR>");
+	    STRCPY(name + 5, fname + 3);
+	}
+    }
+
+    for (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 &&
+		bp->dbg_type != DBG_EXPR && (
+#ifdef FEAT_PROFILE
+		gap == &prof_ga ||
+#endif
+		(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;
+	}
+#ifdef FEAT_EVAL
+	else if (bp->dbg_type == DBG_EXPR)
+	{
+	    typval_T *tv;
+	    int	      line = FALSE;
+
+	    prev_got_int = got_int;
+	    got_int = FALSE;
+
+	    tv = eval_expr(bp->dbg_name, NULL);
+	    if (tv != NULL)
+	    {
+		if (bp->dbg_val == NULL)
+		{
+		    debug_oldval = typval_tostring(NULL);
+		    bp->dbg_val = tv;
+		    debug_newval = typval_tostring(bp->dbg_val);
+		    line = TRUE;
+		}
+		else
+		{
+		    if (typval_compare(tv, bp->dbg_val, TYPE_EQUAL,
+							     TRUE, FALSE) == OK
+			    && tv->vval.v_number == FALSE)
+		    {
+			typval_T *v;
+
+			line = TRUE;
+			debug_oldval = typval_tostring(bp->dbg_val);
+			/* Need to evaluate again, typval_compare() overwrites
+			 * "tv". */
+			v = eval_expr(bp->dbg_name, NULL);
+			debug_newval = typval_tostring(v);
+			free_tv(bp->dbg_val);
+			bp->dbg_val = v;
+		    }
+		    free_tv(tv);
+		}
+	    }
+	    else if (bp->dbg_val != NULL)
+	    {
+		debug_oldval = typval_tostring(bp->dbg_val);
+		debug_newval = typval_tostring(NULL);
+		free_tv(bp->dbg_val);
+		bp->dbg_val = NULL;
+		line = TRUE;
+	    }
+
+	    if (line)
+	    {
+		lnum = after > 0 ? after : 1;
+		break;
+	    }
+
+	    got_int |= prev_got_int;
+	}
+#endif
+    }
+    if (name != fname)
+	vim_free(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;
+}
+
+
+# if defined(FEAT_PROFILE) || defined(FEAT_RELTIME) || defined(PROTO)
+/*
+ * Store the current time in "tm".
+ */
+    void
+profile_start(proftime_T *tm)
+{
+# ifdef WIN3264
+    QueryPerformanceCounter(tm);
+# else
+    gettimeofday(tm, NULL);
+# endif
+}
+
+/*
+ * Compute the elapsed time from "tm" till now and store in "tm".
+ */
+    void
+profile_end(proftime_T *tm)
+{
+    proftime_T now;
+
+# ifdef WIN3264
+    QueryPerformanceCounter(&now);
+    tm->QuadPart = now.QuadPart - tm->QuadPart;
+# else
+    gettimeofday(&now, NULL);
+    tm->tv_usec = now.tv_usec - tm->tv_usec;
+    tm->tv_sec = now.tv_sec - tm->tv_sec;
+    if (tm->tv_usec < 0)
+    {
+	tm->tv_usec += 1000000;
+	--tm->tv_sec;
+    }
+# endif
+}
+
+/*
+ * Subtract the time "tm2" from "tm".
+ */
+    void
+profile_sub(proftime_T *tm, proftime_T *tm2)
+{
+# ifdef WIN3264
+    tm->QuadPart -= tm2->QuadPart;
+# else
+    tm->tv_usec -= tm2->tv_usec;
+    tm->tv_sec -= tm2->tv_sec;
+    if (tm->tv_usec < 0)
+    {
+	tm->tv_usec += 1000000;
+	--tm->tv_sec;
+    }
+# endif
+}
+
+/*
+ * Return a string that represents the time in "tm".
+ * Uses a static buffer!
+ */
+    char *
+profile_msg(proftime_T *tm)
+{
+    static char buf[50];
+
+# ifdef WIN3264
+    LARGE_INTEGER   fr;
+
+    QueryPerformanceFrequency(&fr);
+    sprintf(buf, "%10.6lf", (double)tm->QuadPart / (double)fr.QuadPart);
+# else
+    sprintf(buf, "%3ld.%06ld", (long)tm->tv_sec, (long)tm->tv_usec);
+# endif
+    return buf;
+}
+
+# if defined(FEAT_FLOAT) || defined(PROTO)
+/*
+ * Return a float that represents the time in "tm".
+ */
+    float_T
+profile_float(proftime_T *tm)
+{
+#  ifdef WIN3264
+    LARGE_INTEGER   fr;
+
+    QueryPerformanceFrequency(&fr);
+    return (float_T)tm->QuadPart / (float_T)fr.QuadPart;
+#  else
+    return (float_T)tm->tv_sec + (float_T)tm->tv_usec / 1000000.0;
+#  endif
+}
+# endif
+
+/*
+ * Put the time "msec" past now in "tm".
+ */
+    void
+profile_setlimit(long msec, proftime_T *tm)
+{
+    if (msec <= 0)   /* no limit */
+	profile_zero(tm);
+    else
+    {
+# ifdef WIN3264
+	LARGE_INTEGER   fr;
+
+	QueryPerformanceCounter(tm);
+	QueryPerformanceFrequency(&fr);
+	tm->QuadPart += (LONGLONG)((double)msec / 1000.0 * (double)fr.QuadPart);
+# else
+	long	    usec;
+
+	gettimeofday(tm, NULL);
+	usec = (long)tm->tv_usec + (long)msec * 1000;
+	tm->tv_usec = usec % 1000000L;
+	tm->tv_sec += usec / 1000000L;
+# endif
+    }
+}
+
+/*
+ * Return TRUE if the current time is past "tm".
+ */
+    int
+profile_passed_limit(proftime_T *tm)
+{
+    proftime_T	now;
+
+# ifdef WIN3264
+    if (tm->QuadPart == 0)  /* timer was not set */
+	return FALSE;
+    QueryPerformanceCounter(&now);
+    return (now.QuadPart > tm->QuadPart);
+# else
+    if (tm->tv_sec == 0)    /* timer was not set */
+	return FALSE;
+    gettimeofday(&now, NULL);
+    return (now.tv_sec > tm->tv_sec
+	    || (now.tv_sec == tm->tv_sec && now.tv_usec > tm->tv_usec));
+# endif
+}
+
+/*
+ * Set the time in "tm" to zero.
+ */
+    void
+profile_zero(proftime_T *tm)
+{
+# ifdef WIN3264
+    tm->QuadPart = 0;
+# else
+    tm->tv_usec = 0;
+    tm->tv_sec = 0;
+# endif
+}
+
+# endif  /* FEAT_PROFILE || FEAT_RELTIME */
+
+# if defined(FEAT_TIMERS) || defined(PROTO)
+static timer_T	*first_timer = NULL;
+static long	last_timer_id = 0;
+
+    long
+proftime_time_left(proftime_T *due, proftime_T *now)
+{
+#  ifdef WIN3264
+    LARGE_INTEGER fr;
+
+    if (now->QuadPart > due->QuadPart)
+	return 0;
+    QueryPerformanceFrequency(&fr);
+    return (long)(((double)(due->QuadPart - now->QuadPart)
+		   / (double)fr.QuadPart) * 1000);
+#  else
+    if (now->tv_sec > due->tv_sec)
+	return 0;
+    return (due->tv_sec - now->tv_sec) * 1000
+	+ (due->tv_usec - now->tv_usec) / 1000;
+#  endif
+}
+
+/*
+ * Insert a timer in the list of timers.
+ */
+    static void
+insert_timer(timer_T *timer)
+{
+    timer->tr_next = first_timer;
+    timer->tr_prev = NULL;
+    if (first_timer != NULL)
+	first_timer->tr_prev = timer;
+    first_timer = timer;
+    did_add_timer = TRUE;
+}
+
+/*
+ * Take a timer out of the list of timers.
+ */
+    static void
+remove_timer(timer_T *timer)
+{
+    if (timer->tr_prev == NULL)
+	first_timer = timer->tr_next;
+    else
+	timer->tr_prev->tr_next = timer->tr_next;
+    if (timer->tr_next != NULL)
+	timer->tr_next->tr_prev = timer->tr_prev;
+}
+
+    static void
+free_timer(timer_T *timer)
+{
+    free_callback(timer->tr_callback, timer->tr_partial);
+    vim_free(timer);
+}
+
+/*
+ * Create a timer and return it.  NULL if out of memory.
+ * Caller should set the callback.
+ */
+    timer_T *
+create_timer(long msec, int repeat)
+{
+    timer_T	*timer = (timer_T *)alloc_clear(sizeof(timer_T));
+    long	prev_id = last_timer_id;
+
+    if (timer == NULL)
+	return NULL;
+    if (++last_timer_id <= prev_id)
+	/* Overflow!  Might cause duplicates... */
+	last_timer_id = 0;
+    timer->tr_id = last_timer_id;
+    insert_timer(timer);
+    if (repeat != 0)
+	timer->tr_repeat = repeat - 1;
+    timer->tr_interval = msec;
+
+    profile_setlimit(msec, &timer->tr_due);
+    return timer;
+}
+
+/*
+ * Invoke the callback of "timer".
+ */
+    static void
+timer_callback(timer_T *timer)
+{
+    typval_T	rettv;
+    int		dummy;
+    typval_T	argv[2];
+
+    argv[0].v_type = VAR_NUMBER;
+    argv[0].vval.v_number = (varnumber_T)timer->tr_id;
+    argv[1].v_type = VAR_UNKNOWN;
+
+    call_func(timer->tr_callback, (int)STRLEN(timer->tr_callback),
+			&rettv, 1, argv, NULL, 0L, 0L, &dummy, TRUE,
+			timer->tr_partial, NULL);
+    clear_tv(&rettv);
+}
+
+/*
+ * Call timers that are due.
+ * Return the time in msec until the next timer is due.
+ * Returns -1 if there are no pending timers.
+ */
+    long
+check_due_timer(void)
+{
+    timer_T	*timer;
+    timer_T	*timer_next;
+    long	this_due;
+    long	next_due = -1;
+    proftime_T	now;
+    int		did_one = FALSE;
+    int		need_update_screen = FALSE;
+    long	current_id = last_timer_id;
+
+    /* Don't run any timers while exiting or dealing with an error. */
+    if (exiting || aborting())
+	return next_due;
+
+    profile_start(&now);
+    for (timer = first_timer; timer != NULL && !got_int; timer = timer_next)
+    {
+	timer_next = timer->tr_next;
+
+	if (timer->tr_id == -1 || timer->tr_firing || timer->tr_paused)
+	    continue;
+	this_due = proftime_time_left(&timer->tr_due, &now);
+	if (this_due <= 1)
+	{
+	    /* Save and restore a lot of flags, because the timer fires while
+	     * waiting for a character, which might be halfway a command. */
+	    int save_timer_busy = timer_busy;
+	    int save_vgetc_busy = vgetc_busy;
+	    int save_did_emsg = did_emsg;
+	    int save_called_emsg = called_emsg;
+	    int	save_must_redraw = must_redraw;
+	    int	save_trylevel = trylevel;
+	    int save_did_throw = did_throw;
+	    int save_ex_pressedreturn = get_pressedreturn();
+	    except_T *save_current_exception = current_exception;
+	    vimvars_save_T vvsave;
+
+	    /* Create a scope for running the timer callback, ignoring most of
+	     * the current scope, such as being inside a try/catch. */
+	    timer_busy = timer_busy > 0 || vgetc_busy > 0;
+	    vgetc_busy = 0;
+	    called_emsg = FALSE;
+	    did_emsg = FALSE;
+	    did_uncaught_emsg = FALSE;
+	    must_redraw = 0;
+	    trylevel = 0;
+	    did_throw = FALSE;
+	    current_exception = NULL;
+	    save_vimvars(&vvsave);
+
+	    timer->tr_firing = TRUE;
+	    timer_callback(timer);
+	    timer->tr_firing = FALSE;
+
+	    timer_next = timer->tr_next;
+	    did_one = TRUE;
+	    timer_busy = save_timer_busy;
+	    vgetc_busy = save_vgetc_busy;
+	    if (did_uncaught_emsg)
+		++timer->tr_emsg_count;
+	    did_emsg = save_did_emsg;
+	    called_emsg = save_called_emsg;
+	    trylevel = save_trylevel;
+	    did_throw = save_did_throw;
+	    current_exception = save_current_exception;
+	    restore_vimvars(&vvsave);
+	    if (must_redraw != 0)
+		need_update_screen = TRUE;
+	    must_redraw = must_redraw > save_must_redraw
+					      ? must_redraw : save_must_redraw;
+	    set_pressedreturn(save_ex_pressedreturn);
+
+	    /* Only fire the timer again if it repeats and stop_timer() wasn't
+	     * called while inside the callback (tr_id == -1). */
+	    if (timer->tr_repeat != 0 && timer->tr_id != -1
+		    && timer->tr_emsg_count < 3)
+	    {
+		profile_setlimit(timer->tr_interval, &timer->tr_due);
+		this_due = proftime_time_left(&timer->tr_due, &now);
+		if (this_due < 1)
+		    this_due = 1;
+		if (timer->tr_repeat > 0)
+		    --timer->tr_repeat;
+	    }
+	    else
+	    {
+		this_due = -1;
+		remove_timer(timer);
+		free_timer(timer);
+	    }
+	}
+	if (this_due > 0 && (next_due == -1 || next_due > this_due))
+	    next_due = this_due;
+    }
+
+    if (did_one)
+	redraw_after_callback(need_update_screen);
+
+#ifdef FEAT_BEVAL_TERM
+    if (bevalexpr_due_set)
+    {
+	this_due = proftime_time_left(&bevalexpr_due, &now);
+	if (this_due <= 1)
+	{
+	    bevalexpr_due_set = FALSE;
+	    if (balloonEval == NULL)
+	    {
+		balloonEval = (BalloonEval *)alloc_clear(sizeof(BalloonEval));
+		balloonEvalForTerm = TRUE;
+	    }
+	    if (balloonEval != NULL)
+		general_beval_cb(balloonEval, 0);
+	}
+	else if (next_due == -1 || next_due > this_due)
+	    next_due = this_due;
+    }
+#endif
+#ifdef FEAT_TERMINAL
+    /* Some terminal windows may need their buffer updated. */
+    next_due = term_check_timers(next_due, &now);
+#endif
+
+    return current_id != last_timer_id ? 1 : next_due;
+}
+
+/*
+ * Find a timer by ID.  Returns NULL if not found;
+ */
+    timer_T *
+find_timer(long id)
+{
+    timer_T *timer;
+
+    if (id >= 0)
+    {
+	for (timer = first_timer; timer != NULL; timer = timer->tr_next)
+	    if (timer->tr_id == id)
+		return timer;
+    }
+    return NULL;
+}
+
+
+/*
+ * Stop a timer and delete it.
+ */
+    void
+stop_timer(timer_T *timer)
+{
+    if (timer->tr_firing)
+	/* Free the timer after the callback returns. */
+	timer->tr_id = -1;
+    else
+    {
+	remove_timer(timer);
+	free_timer(timer);
+    }
+}
+
+    void
+stop_all_timers(void)
+{
+    timer_T *timer;
+    timer_T *timer_next;
+
+    for (timer = first_timer; timer != NULL; timer = timer_next)
+    {
+	timer_next = timer->tr_next;
+	stop_timer(timer);
+    }
+}
+
+    void
+add_timer_info(typval_T *rettv, timer_T *timer)
+{
+    list_T	*list = rettv->vval.v_list;
+    dict_T	*dict = dict_alloc();
+    dictitem_T	*di;
+    long	remaining;
+    proftime_T	now;
+
+    if (dict == NULL)
+	return;
+    list_append_dict(list, dict);
+
+    dict_add_number(dict, "id", timer->tr_id);
+    dict_add_number(dict, "time", (long)timer->tr_interval);
+
+    profile_start(&now);
+    remaining = proftime_time_left(&timer->tr_due, &now);
+    dict_add_number(dict, "remaining", (long)remaining);
+
+    dict_add_number(dict, "repeat",
+		    (long)(timer->tr_repeat < 0 ? -1 : timer->tr_repeat + 1));
+    dict_add_number(dict, "paused", (long)(timer->tr_paused));
+
+    di = dictitem_alloc((char_u *)"callback");
+    if (di != NULL)
+    {
+	if (dict_add(dict, di) == FAIL)
+	    vim_free(di);
+	else if (timer->tr_partial != NULL)
+	{
+	    di->di_tv.v_type = VAR_PARTIAL;
+	    di->di_tv.vval.v_partial = timer->tr_partial;
+	    ++timer->tr_partial->pt_refcount;
+	}
+	else
+	{
+	    di->di_tv.v_type = VAR_FUNC;
+	    di->di_tv.vval.v_string = vim_strsave(timer->tr_callback);
+	}
+    }
+}
+
+    void
+add_timer_info_all(typval_T *rettv)
+{
+    timer_T *timer;
+
+    for (timer = first_timer; timer != NULL; timer = timer->tr_next)
+	if (timer->tr_id != -1)
+	    add_timer_info(rettv, timer);
+}
+
+/*
+ * Mark references in partials of timers.
+ */
+    int
+set_ref_in_timer(int copyID)
+{
+    int		abort = FALSE;
+    timer_T	*timer;
+    typval_T	tv;
+
+    for (timer = first_timer; timer != NULL; timer = timer->tr_next)
+    {
+	if (timer->tr_partial != NULL)
+	{
+	    tv.v_type = VAR_PARTIAL;
+	    tv.vval.v_partial = timer->tr_partial;
+	}
+	else
+	{
+	    tv.v_type = VAR_FUNC;
+	    tv.vval.v_string = timer->tr_callback;
+	}
+	abort = abort || set_ref_in_item(&tv, copyID, NULL, NULL);
+    }
+    return abort;
+}
+
+#  if defined(EXITFREE) || defined(PROTO)
+    void
+timer_free_all()
+{
+    timer_T *timer;
+
+    while (first_timer != NULL)
+    {
+	timer = first_timer;
+	remove_timer(timer);
+	free_timer(timer);
+    }
+}
+#  endif
+# endif
+
+#if defined(FEAT_SYN_HL) && defined(FEAT_RELTIME) && defined(FEAT_FLOAT) && defined(FEAT_PROFILE)
+# if defined(HAVE_MATH_H)
+#  include <math.h>
+# endif
+
+/*
+ * Divide the time "tm" by "count" and store in "tm2".
+ */
+    void
+profile_divide(proftime_T *tm, int count, proftime_T *tm2)
+{
+    if (count == 0)
+	profile_zero(tm2);
+    else
+    {
+# ifdef WIN3264
+	tm2->QuadPart = tm->QuadPart / count;
+# else
+	double usec = (tm->tv_sec * 1000000.0 + tm->tv_usec) / count;
+
+	tm2->tv_sec = floor(usec / 1000000.0);
+	tm2->tv_usec = vim_round(usec - (tm2->tv_sec * 1000000.0));
+# endif
+    }
+}
+#endif
+
+# if defined(FEAT_PROFILE) || defined(PROTO)
+/*
+ * Functions for profiling.
+ */
+static void script_dump_profile(FILE *fd);
+static proftime_T prof_wait_time;
+
+/*
+ * Add the time "tm2" to "tm".
+ */
+    void
+profile_add(proftime_T *tm, proftime_T *tm2)
+{
+# ifdef WIN3264
+    tm->QuadPart += tm2->QuadPart;
+# else
+    tm->tv_usec += tm2->tv_usec;
+    tm->tv_sec += tm2->tv_sec;
+    if (tm->tv_usec >= 1000000)
+    {
+	tm->tv_usec -= 1000000;
+	++tm->tv_sec;
+    }
+# endif
+}
+
+/*
+ * Add the "self" time from the total time and the children's time.
+ */
+    void
+profile_self(proftime_T *self, proftime_T *total, proftime_T *children)
+{
+    /* Check that the result won't be negative.  Can happen with recursive
+     * calls. */
+#ifdef WIN3264
+    if (total->QuadPart <= children->QuadPart)
+	return;
+#else
+    if (total->tv_sec < children->tv_sec
+	    || (total->tv_sec == children->tv_sec
+		&& total->tv_usec <= children->tv_usec))
+	return;
+#endif
+    profile_add(self, total);
+    profile_sub(self, children);
+}
+
+/*
+ * Get the current waittime.
+ */
+    void
+profile_get_wait(proftime_T *tm)
+{
+    *tm = prof_wait_time;
+}
+
+/*
+ * Subtract the passed waittime since "tm" from "tma".
+ */
+    void
+profile_sub_wait(proftime_T *tm, proftime_T *tma)
+{
+    proftime_T tm3 = prof_wait_time;
+
+    profile_sub(&tm3, tm);
+    profile_sub(tma, &tm3);
+}
+
+/*
+ * Return TRUE if "tm1" and "tm2" are equal.
+ */
+    int
+profile_equal(proftime_T *tm1, proftime_T *tm2)
+{
+# ifdef WIN3264
+    return (tm1->QuadPart == tm2->QuadPart);
+# else
+    return (tm1->tv_usec == tm2->tv_usec && tm1->tv_sec == tm2->tv_sec);
+# endif
+}
+
+/*
+ * Return <0, 0 or >0 if "tm1" < "tm2", "tm1" == "tm2" or "tm1" > "tm2"
+ */
+    int
+profile_cmp(const proftime_T *tm1, const proftime_T *tm2)
+{
+# ifdef WIN3264
+    return (int)(tm2->QuadPart - tm1->QuadPart);
+# else
+    if (tm1->tv_sec == tm2->tv_sec)
+	return tm2->tv_usec - tm1->tv_usec;
+    return tm2->tv_sec - tm1->tv_sec;
+# endif
+}
+
+static char_u	*profile_fname = NULL;
+static proftime_T pause_time;
+
+/*
+ * ":profile cmd args"
+ */
+    void
+ex_profile(exarg_T *eap)
+{
+    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)
+    {
+	vim_free(profile_fname);
+	profile_fname = expand_env_save_opt(e, TRUE);
+	do_profiling = PROF_YES;
+	profile_zero(&prof_wait_time);
+	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, "pause") == 0)
+    {
+	if (do_profiling == PROF_YES)
+	    profile_start(&pause_time);
+	do_profiling = PROF_PAUSED;
+    }
+    else if (STRCMP(eap->arg, "continue") == 0)
+    {
+	if (do_profiling == PROF_PAUSED)
+	{
+	    profile_end(&pause_time);
+	    profile_add(&prof_wait_time, &pause_time);
+	}
+	do_profiling = PROF_YES;
+    }
+    else
+    {
+	/* The rest is similar to ":breakadd". */
+	ex_breakadd(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[] = {
+			"start",
+#define PROFCMD_START	0
+			"pause",
+#define PROFCMD_PAUSE	1
+			"continue",
+#define PROFCMD_CONTINUE 2
+			"func",
+#define PROFCMD_FUNC	3
+			"file",
+#define PROFCMD_FILE	4
+			NULL
+#define PROFCMD_LAST	5
+};
+
+/*
+ * Function given to ExpandGeneric() to obtain the profile command
+ * specific expansion.
+ */
+    char_u *
+get_profile_name(expand_T *xp UNUSED, 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, char_u *arg)
+{
+    char_u	*end_subcmd;
+
+    /* Default: expand subcommands. */
+    xp->xp_context = EXPAND_PROFILE;
+    pexpand_what = PEXP_SUBCMD;
+    xp->xp_pattern = arg;
+
+    end_subcmd = skiptowhite(arg);
+    if (*end_subcmd == NUL)
+	return;
+
+    if (end_subcmd - arg == 5 && STRNCMP(arg, "start", 5) == 0)
+    {
+	xp->xp_context = EXPAND_FILES;
+	xp->xp_pattern = skipwhite(end_subcmd);
+	return;
+    }
+
+    /* TODO: 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 = mch_fopen((char *)profile_fname, "w");
+	if (fd == NULL)
+	    semsg(_(e_notopen), profile_fname);
+	else
+	{
+	    script_dump_profile(fd);
+	    func_dump_profile(fd);
+	    fclose(fd);
+	}
+    }
+}
+
+/*
+ * Start profiling script "fp".
+ */
+    static void
+script_do_profile(scriptitem_T *si)
+{
+    si->sn_pr_count = 0;
+    profile_zero(&si->sn_pr_total);
+    profile_zero(&si->sn_pr_self);
+
+    ga_init2(&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)
+	    profile_start(&si->sn_pr_child);
+    }
+    profile_get_wait(tm);
+}
+
+/*
+ * 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)
+	{
+	    profile_end(&si->sn_pr_child);
+	    profile_sub_wait(tm, &si->sn_pr_child); /* don't count wait time */
+	    profile_add(&si->sn_pr_children, &si->sn_pr_child);
+	    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)
+{
+    profile_start(&inchar_time);
+}
+
+/*
+ * Called when finished waiting for the user to type a character.
+ */
+    void
+prof_inchar_exit(void)
+{
+    profile_end(&inchar_time);
+    profile_add(&prof_wait_time, &inchar_time);
+}
+
+/*
+ * Dump the profiling results for all scripts in file "fd".
+ */
+    static void
+script_dump_profile(FILE *fd)
+{
+    int		    id;
+    scriptitem_T    *si;
+    int		    i;
+    FILE	    *sfd;
+    sn_prl_T	    *pp;
+
+    for (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 = mch_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 (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;
+
+			if (enc_utf8)
+			{
+			    /* 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;
+			}
+			else if (has_mbyte)
+			    n -= mb_head_off(IObuff, IObuff + 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.
+ */
+    int
+prof_def_func(void)
+{
+    if (current_sctx.sc_sid > 0)
+	return SCRIPT_ITEM(current_sctx.sc_sid).sn_pr_force;
+    return FALSE;
+}
+
+# endif
+#endif
+
+/*
+ * 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
+#ifdef FEAT_QUICKFIX
+	    /* never autowrite a "nofile" or "nowrite" buffer */
+	    || bt_dontwrite(buf)
+#endif
+	    || (!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)
+{
+    buf_T	*buf;
+
+    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.
+ */
+    int
+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 defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
+	if ((p_confirm || cmdmod.confirm) && p_write)
+	{
+	    buf_T	*buf2;
+	    int		count = 0;
+
+	    if (flags & CCGD_ALLBUF)
+		FOR_ALL_BUFFERS(buf2)
+		    if (bufIsChanged(buf2)
+				     && (buf2->b_ffname != NULL
+# ifdef FEAT_BROWSE
+					 || cmdmod.browse
+# endif
+					))
+			++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);
+	}
+#endif
+	if (flags & CCGD_EXCMD)
+	    no_write_message();
+	else
+	    no_write_message_nobang(curbuf);
+	return TRUE;
+    }
+    return FALSE;
+}
+
+#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
+
+#if defined(FEAT_BROWSE) || defined(PROTO)
+/*
+ * When wanting to write a file without a file name, ask the user for a name.
+ */
+    void
+browse_save_fname(buf_T *buf)
+{
+    if (buf->b_fname == NULL)
+    {
+	char_u *fname;
+
+	fname = do_browse(BROWSE_SAVE, (char_u *)_("Save As"),
+						 NULL, NULL, NULL, NULL, buf);
+	if (fname != NULL)
+	{
+	    if (setfname(buf, fname, NULL, TRUE) == OK)
+		buf->b_flags |= BF_NOTEDITED;
+	    vim_free(fname);
+	}
+    }
+}
+#endif
+
+/*
+ * Ask the user what to do when abandoning a changed buffer.
+ * Must check 'write' option first!
+ */
+    void
+dialog_changed(
+    buf_T	*buf,
+    int		checkall)	/* may abandon all changed buffers */
+{
+    char_u	buff[DIALOG_MSG_SIZE];
+    int		ret;
+    buf_T	*buf2;
+    exarg_T     ea;
+
+    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);
+
+    /* Init ea pseudo-structure, this is needed for the check_overwrite()
+     * function. */
+    ea.append = ea.forceit = FALSE;
+
+    if (ret == VIM_YES)
+    {
+#ifdef FEAT_BROWSE
+	/* May get file name, when there is none */
+	browse_save_fname(buf);
+#endif
+	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);
+    }
+    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
+#ifdef FEAT_BROWSE
+			|| cmdmod.browse
+#endif
+			)
+		    && !buf2->b_p_ro)
+	    {
+		bufref_T bufref;
+
+		set_bufref(&bufref, buf2);
+#ifdef FEAT_BROWSE
+		/* May get file name, when there is none */
+		browse_save_fname(buf2);
+#endif
+		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);
+    }
+}
+#endif
+
+/*
+ * Return TRUE if the buffer "buf" can be abandoned, either by making it
+ * hidden, autowriting it or unloading it.
+ */
+    int
+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;
+}
+
+/*
+ * Return TRUE 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!".
+ */
+    int
+check_changed_any(
+    int		hidden,		/* Only check hidden buffers */
+    int		unload)
+{
+    int		ret = FALSE;
+    buf_T	*buf;
+    int		save;
+    int		i;
+    int		bufnum = 0;
+    int		bufcount = 0;
+    int		*bufnrs;
+    tabpage_T   *tp;
+    win_T	*wp;
+
+    /* Make a list of all buffers, with the most important ones first. */
+    FOR_ALL_BUFFERS(buf)
+	++bufcount;
+
+    if (bufcount == 0)
+	return FALSE;
+
+    bufnrs = (int *)alloc(sizeof(int) * bufcount);
+    if (bufnrs == NULL)
+	return FALSE;
+
+    /* curbuf */
+    bufnrs[bufnum++] = curbuf->b_fnum;
+
+    /* buffers in current tab */
+    FOR_ALL_WINDOWS(wp)
+	if (wp->w_buffer != curbuf)
+	    add_bufnum(bufnrs, &bufnum, wp->w_buffer->b_fnum);
+
+    /* buffers in other tabs */
+    FOR_ALL_TABPAGES(tp)
+	if (tp != curtab)
+	    for (wp = tp->tp_firstwin; wp != NULL; wp = wp->w_next)
+		add_bufnum(bufnrs, &bufnum, wp->w_buffer->b_fnum);
+
+    /* any other buffer */
+    FOR_ALL_BUFFERS(buf)
+	add_bufnum(bufnrs, &bufnum, buf->b_fnum);
+
+    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);
+#ifdef FEAT_TERMINAL
+	    if (term_job_running(buf->b_term))
+	    {
+		if (term_try_stop_job(buf) == FAIL)
+		    break;
+	    }
+	    else
+#endif
+	    /* 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;
+
+    /* Get here if "buf" cannot be abandoned. */
+    ret = TRUE;
+    exiting = FALSE;
+#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
+    /*
+     * When ":confirm" used, don't give an error message.
+     */
+    if (!(p_confirm || cmdmod.confirm))
+#endif
+    {
+	/* 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 (
+#ifdef FEAT_TERMINAL
+		term_job_running(buf->b_term)
+		    ? semsg(_("E947: Job still running in buffer \"%s\""),
+								  buf->b_fname)
+		    :
+#endif
+		semsg(_("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 autocms 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:
+    vim_free(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.
+ */
+
+static int	do_arglist(char_u *str, int what, int after, int will_edit);
+static void	alist_check_arg_idx(void);
+static void	alist_add_list(int count, char_u **files, int after, int will_edit);
+#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;
+    int		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 && vim_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 int
+get_arglist(garray_T *gap, char_u *str, int escaped)
+{
+    ga_init2(gap, (int)sizeof(char_u *), 20);
+    while (*str != NUL)
+    {
+	if (ga_grow(gap, 1) == FAIL)
+	{
+	    ga_clear(gap);
+	    return FAIL;
+	}
+	((char_u **)gap->ga_data)[gap->ga_len++] = str;
+
+	/* If str is escaped, don't handle backslashes or spaces */
+	if (!escaped)
+	    return OK;
+
+	/* Isolate one argument, change it in-place, put a NUL after it. */
+	str = do_one_arg(str);
+    }
+    return OK;
+}
+
+#if defined(FEAT_QUICKFIX) || defined(FEAT_SYN_HL) || defined(PROTO)
+/*
+ * 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,
+    int		wig)
+{
+    garray_T	ga;
+    int		i;
+
+    if (get_arglist(&ga, str, TRUE) == FAIL)
+	return FAIL;
+    if (wig == TRUE)
+	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;
+}
+#endif
+
+/*
+ * Redefine the argument list.
+ */
+    void
+set_arglist(char_u *str)
+{
+    do_arglist(str, AL_SET, 0, FALSE);
+}
+
+/*
+ * "what" == AL_SET: Redefine the argument list to 'str'.
+ * "what" == AL_ADD: add files in 'str' to the argument list after "after".
+ * "what" == AL_DEL: remove files in 'str' from the argument list.
+ *
+ * Return FAIL for failure, OK otherwise.
+ */
+    static int
+do_arglist(
+    char_u	*str,
+    int		what,
+    int		after UNUSED,	// 0 means before first one
+    int		will_edit)	// will edit added argument
+{
+    garray_T	new_ga;
+    int		exp_count;
+    char_u	**exp_files;
+    int		i;
+    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".
+     */
+    if (get_arglist(&new_ga, str, arg_escaped) == FAIL)
+	return FAIL;
+
+    if (what == AL_DEL)
+    {
+	regmatch_T	regmatch;
+	int		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 (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)
+	    {
+		vim_free(p);
+		break;
+	    }
+
+	    didone = FALSE;
+	    for (match = 0; match < ARGCOUNT; ++match)
+		if (vim_regexec(&regmatch, alist_name(&ARGLIST[match]),
+								  (colnr_T)0))
+		{
+		    didone = TRUE;
+		    vim_free(ARGLIST[match].ae_fname);
+		    mch_memmove(ARGLIST + match, ARGLIST + match + 1,
+			    (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);
+	    vim_free(p);
+	    if (!didone)
+		semsg(_(e_nomatch2), ((char_u **)new_ga.ga_data)[i]);
+	}
+	ga_clear(&new_ga);
+    }
+    else
+    {
+	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)
+	{
+	    alist_add_list(exp_count, exp_files, after, will_edit);
+	    vim_free(exp_files);
+	}
+	else /* what == AL_SET */
+	    alist_set(ALIST(curwin), exp_count, exp_files, will_edit, 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)
+{
+    win_T	*win;
+    tabpage_T	*tp;
+
+    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 int
+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
+			 || !(fullpathcmp(
+				 alist_name(&WARGLIST(win)[win->w_arg_idx]),
+				win->w_buffer->b_ffname, TRUE) & FPC_SAME))));
+}
+
+/*
+ * 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
+			&& (fullpathcmp(alist_name(&GARGLIST[GARGCOUNT - 1]),
+				win->w_buffer->b_ffname, TRUE) & FPC_SAME))))
+	    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)
+{
+    int		i;
+
+    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 = (char_u **)alloc(sizeof(char_u *) * ARGCOUNT);
+
+	    if (items != NULL)
+	    {
+		/* Overwrite the command, for a short list there is no
+		 * scrolling required and no wait_return(). */
+		gotocmdline(TRUE);
+
+		for (i = 0; i < ARGCOUNT; ++i)
+		    items[i] = alist_name(&ARGLIST[i]);
+		list_in_columns(items, ARGCOUNT, curwin->w_arg_idx);
+		vim_free(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.
+	 */
+	if (ga_grow(gap, GARGCOUNT) == OK)
+	    for (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 = 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();
+#ifdef FEAT_GUI
+	need_mouse_correct = TRUE;
+#endif
+
+	/* 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 = fix_fname(alist_name(&ARGLIST[argn]));
+		other = otherfile(p);
+		vim_free(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;
+	/* like Vi: set the mark where the cursor is in the file. */
+	else if (eap->cmdidx != CMD_argdo)
+	    setmark('\'');
+    }
+}
+
+/*
+ * ":next", and commands that behave like it.
+ */
+    void
+ex_next(exarg_T *eap)
+{
+    int		i;
+
+    /*
+     * check for changed buffer now, if this fails the argument list is not
+     * redefined.
+     */
+    if (       buf_hide(curbuf)
+	    || eap->cmdidx == CMD_snext
+	    || !check_changed(curbuf, CCGD_AW
+				    | (eap->forceit ? CCGD_FORCEIT : 0)
+				    | CCGD_EXCMD))
+    {
+	if (*eap->arg != NUL)		    /* redefine file list */
+	{
+	    if (do_arglist(eap->arg, AL_SET, 0, TRUE) == FAIL)
+		return;
+	    i = 0;
+	}
+	else
+	    i = curwin->w_arg_idx + (int)eap->line2;
+	do_argfile(eap, i);
+    }
+}
+
+/*
+ * ":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.
+    int curbuf_is_reusable = curbuf_reusable();
+
+    if (do_arglist(eap->arg, AL_ADD, i, TRUE) == FAIL)
+	return;
+#ifdef FEAT_TITLE
+    maketitle();
+#endif
+
+    if (curwin->w_arg_idx == 0
+	    && (curbuf->b_ml.ml_flags & ML_EMPTY)
+	    && (curbuf->b_ffname == NULL || curbuf_is_reusable))
+	i = 0;
+    /* Edit the argument. */
+    if (i < ARGCOUNT)
+	do_argfile(eap, i);
+}
+
+/*
+ * ":argadd"
+ */
+    void
+ex_argadd(exarg_T *eap)
+{
+    do_arglist(eap->arg, AL_ADD,
+	       eap->addr_count > 0 ? (int)eap->line2 : curwin->w_arg_idx + 1,
+	       FALSE);
+#ifdef FEAT_TITLE
+    maketitle();
+#endif
+}
+
+/*
+ * ":argdelete"
+ */
+    void
+ex_argdelete(exarg_T *eap)
+{
+    int		i;
+    int		n;
+
+    if (eap->addr_count > 0)
+    {
+	/* ":1,4argdel": Delete all arguments in the range. */
+	if (eap->line2 > ARGCOUNT)
+	    eap->line2 = ARGCOUNT;
+	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 (i = eap->line1; i <= eap->line2; ++i)
+		vim_free(ARGLIST[i - 1].ae_fname);
+	    mch_memmove(ARGLIST + eap->line1 - 1, ARGLIST + eap->line2,
+			(size_t)((ARGCOUNT - eap->line2) * sizeof(aentry_T)));
+	    ALIST(curwin)->al_ga.ga_len -= n;
+	    if (curwin->w_arg_idx >= eap->line2)
+		curwin->w_arg_idx -= n;
+	    else if (curwin->w_arg_idx > eap->line1)
+		curwin->w_arg_idx = 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, FALSE);
+#ifdef FEAT_TITLE
+    maketitle();
+#endif
+}
+
+/*
+ * ":argdo", ":windo", ":bufdo", ":tabdo", ":cdo", ":ldo", ":cfdo" and ":lfdo"
+ */
+    void
+ex_listdo(exarg_T *eap)
+{
+    int		i;
+    win_T	*wp;
+    tabpage_T	*tp;
+    buf_T	*buf = curbuf;
+    int		next_fnum = 0;
+#if defined(FEAT_SYN_HL)
+    char_u	*save_ei = NULL;
+#endif
+    char_u	*p_shm_save;
+#ifdef FEAT_QUICKFIX
+    int		qf_size = 0;
+    int		qf_idx;
+#endif
+
+#ifndef FEAT_QUICKFIX
+    if (eap->cmdidx == CMD_cdo || eap->cmdidx == CMD_ldo ||
+	    eap->cmdidx == CMD_cfdo || eap->cmdidx == CMD_lfdo)
+    {
+	ex_ni(eap);
+	return;
+    }
+#endif
+
+#if defined(FEAT_SYN_HL)
+    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");
+#endif
+#ifdef FEAT_CLIPBOARD
+    start_global_changes();
+#endif
+
+    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 = eap->line1 - 1;
+		break;
+	    default:
+		break;
+	}
+	/* 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);
+	}
+#ifdef FEAT_QUICKFIX
+	else if (eap->cmdidx == CMD_cdo || eap->cmdidx == CMD_ldo
+		|| eap->cmdidx == CMD_cfdo || eap->cmdidx == CMD_lfdo)
+	{
+	    qf_size = qf_get_size(eap);
+	    if (qf_size <= 0 || eap->line1 > qf_size)
+		buf = NULL;
+	    else
+	    {
+		ex_cc(eap);
+
+		buf = curbuf;
+		i = eap->line1 - 1;
+		if (eap->addr_count <= 0)
+		    /* default is all the quickfix/location list entries */
+		    eap->line2 = qf_size;
+	    }
+	}
+#endif
+	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((char_u *)"shm", 0L, (char_u *)"", 0);
+		    do_argfile(eap, i);
+		    set_option_value((char_u *)"shm", 0L, p_shm_save, 0);
+		    vim_free(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;
+		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;
+		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 = curbuf->b_next; buf != NULL; buf = buf->b_next)
+		    if (buf->b_p_bl)
+		    {
+			next_fnum = buf->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. */
+		FOR_ALL_BUFFERS(buf)
+		    if (buf->b_fnum == next_fnum)
+			break;
+		if (buf == NULL)
+		    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((char_u *)"shm", 0L, (char_u *)"", 0);
+		goto_buffer(eap, DOBUF_FIRST, FORWARD, next_fnum);
+		set_option_value((char_u *)"shm", 0L, p_shm_save, 0);
+		vim_free(p_shm_save);
+
+		/* If autocommands took us elsewhere, quit here. */
+		if (curbuf->b_fnum != next_fnum)
+		    break;
+	    }
+
+#ifdef FEAT_QUICKFIX
+	    if (eap->cmdidx == CMD_cdo || eap->cmdidx == CMD_ldo
+		    || eap->cmdidx == CMD_cfdo || eap->cmdidx == CMD_lfdo)
+	    {
+		if (i >= qf_size || i >= eap->line2)
+		    break;
+
+		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;
+	    }
+#endif
+
+	    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 defined(FEAT_SYN_HL)
+    if (save_ei != NULL)
+    {
+	au_event_restore(save_ei);
+	apply_autocmds(EVENT_SYNTAX, curbuf->b_p_syn,
+					       curbuf->b_fname, TRUE, curbuf);
+    }
+#endif
+#ifdef FEAT_CLIPBOARD
+    end_global_changes();
+#endif
+}
+
+/*
+ * 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.
+ */
+    static void
+alist_add_list(
+    int		count,
+    char_u	**files,
+    int		after,	    // where to add: 0 = before first one
+    int		will_edit)  // will edit adding argument
+{
+    int		i;
+    int		old_argcount = ARGCOUNT;
+
+    if (ga_grow(&ALIST(curwin)->al_ga, count) == OK)
+    {
+	if (after < 0)
+	    after = 0;
+	if (after > ARGCOUNT)
+	    after = ARGCOUNT;
+	if (after < ARGCOUNT)
+	    mch_memmove(&(ARGLIST[after + count]), &(ARGLIST[after]),
+				       (ARGCOUNT - after) * sizeof(aentry_T));
+	for (i = 0; i < count; ++i)
+	{
+	    int flags = BLN_LISTED | (will_edit ? BLN_CURBUF : 0);
+
+	    ARGLIST[after + i].ae_fname = files[i];
+	    ARGLIST[after + i].ae_fnum = buflist_add(files[i], flags);
+	}
+	ALIST(curwin)->al_ga.ga_len += count;
+	if (old_argcount > 0 && curwin->w_arg_idx >= after)
+	    curwin->w_arg_idx += count;
+	return;
+    }
+
+    for (i = 0; i < count; ++i)
+	vim_free(files[i]);
+}
+
+#if defined(FEAT_CMDL_COMPL) || defined(PROTO)
+/*
+ * Function given to ExpandGeneric() to obtain the possible arguments of the
+ * argedit and argdelete commands.
+ */
+    char_u *
+get_arglist_name(expand_T *xp UNUSED, int idx)
+{
+    if (idx >= ARGCOUNT)
+	return NULL;
+
+    return alist_name(&ARGLIST[idx]);
+}
+#endif
+
+
+#ifdef FEAT_EVAL
+/*
+ * ":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((char_u *)"echo globpath(&rtp, 'compiler/*.vim')");
+					/* ) keep the indenter happy... */
+    }
+    else
+    {
+	buf = alloc((unsigned)(STRLEN(eap->arg) + 14));
+	if (buf != NULL)
+	{
+	    if (eap->forceit)
+	    {
+		/* ":compiler! {name}" sets global options */
+		do_cmdline_cmd((char_u *)
+				   "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((char_u *)"g:current_compiler");
+		if (old_cur_comp != NULL)
+		    old_cur_comp = vim_strsave(old_cur_comp);
+		do_cmdline_cmd((char_u *)
+			      "command -nargs=* CompilerSet setlocal <args>");
+	    }
+	    do_unlet((char_u *)"g:current_compiler", TRUE);
+	    do_unlet((char_u *)"b:current_compiler", TRUE);
+
+	    sprintf((char *)buf, "compiler/%s.vim", eap->arg);
+	    if (source_runtime(buf, DIP_ALL) == FAIL)
+		semsg(_("E666: compiler not supported: %s"), eap->arg);
+	    vim_free(buf);
+
+	    do_cmdline_cmd((char_u *)":delcommand CompilerSet");
+
+	    /* Set "b:current_compiler" from "current_compiler". */
+	    p = get_var_value((char_u *)"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);
+		    vim_free(old_cur_comp);
+		}
+		else
+		    do_unlet((char_u *)"g:current_compiler", TRUE);
+	    }
+	}
+    }
+}
+#endif
+
+/*
+ * ":runtime [what] {name}"
+ */
+    void
+ex_runtime(exarg_T *eap)
+{
+    char_u  *arg = eap->arg;
+    char_u  *p = skiptowhite(arg);
+    int	    len = (int)(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 UNUSED)
+{
+    (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,
+    void	(*callback)(char_u *fname, void *ck),
+    void	*cookie)
+{
+    char_u	*rtp;
+    char_u	*np;
+    char_u	*buf;
+    char_u	*rtp_copy;
+    char_u	*tail;
+    int		num_files;
+    char_u	**files;
+    int		i;
+    int		did_one = FALSE;
+#ifdef AMIGA
+    struct Process	*proc = (struct Process *)FindTask(0L);
+    APTR		save_winptr = proc->pr_WindowPtr;
+
+    /* Avoid a requester here for a volume that doesn't exist. */
+    proc->pr_WindowPtr = (APTR)-1L;
+#endif
+
+    /* Make a copy of 'runtimepath'.  Invoking the callback may change the
+     * value. */
+    rtp_copy = vim_strsave(path);
+    buf = alloc(MAXPATHL);
+    if (buf != NULL && rtp_copy != NULL)
+    {
+	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'. */
+	rtp = rtp_copy;
+	while (*rtp != NUL && ((flags & DIP_ALL) || !did_one))
+	{
+	    size_t buflen;
+
+	    /* Copy the path from 'runtimepath' to buf[]. */
+	    copy_option_part(&rtp, buf, MAXPATHL, ",");
+	    buflen = STRLEN(buf);
+
+	    /* Skip after or non-after directories. */
+	    if (flags & (DIP_NOAFTER | DIP_AFTER))
+	    {
+		int 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(buf);
+		tail = buf + STRLEN(buf);
+
+		/* Loop over all patterns in "name" */
+		np = name;
+		while (*np != NUL && ((flags & DIP_ALL) || !did_one))
+		{
+		    /* Append the pattern from "name" to buf[]. */
+		    copy_option_part(&np, tail, (int)(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);
+		    }
+		}
+	    }
+	}
+    }
+    vim_free(buf);
+    vim_free(rtp_copy);
+    if (!did_one && name != NULL)
+    {
+	char *basepath = path == p_rtp ? "runtimepath" : "packpath";
+
+	if (flags & DIP_ERR)
+	    semsg(_(e_dirnotf), basepath, name);
+	else if (p_verbose > 0)
+	{
+	    verbose_enter();
+	    smsg(_("not found in '%s': \"%s\""), basepath, name);
+	    verbose_leave();
+	}
+    }
+
+#ifdef AMIGA
+    proc->pr_WindowPtr = save_winptr;
+#endif
+
+    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.
+ */
+    static int
+do_in_path_and_pp(
+    char_u	*path,
+    char_u	*name,
+    int		flags,
+    void	(*callback)(char_u *fname, void *ck),
+    void	*cookie)
+{
+    int		done = FAIL;
+    char_u	*s;
+    int		len;
+    char	*start_dir = "pack/*/start/*/%s";
+    char	*opt_dir = "pack/*/opt/*/%s";
+
+    if ((flags & DIP_NORTP) == 0)
+	done = do_in_path(path, name, flags, callback, cookie);
+
+    if ((done == FAIL || (flags & DIP_ALL)) && (flags & DIP_START))
+    {
+	len = (int)(STRLEN(start_dir) + STRLEN(name));
+	s = alloc(len);
+	if (s == NULL)
+	    return FAIL;
+	vim_snprintf((char *)s, len, start_dir, name);
+	done = do_in_path(p_pp, s, flags, callback, cookie);
+	vim_free(s);
+    }
+
+    if ((done == FAIL || (flags & DIP_ALL)) && (flags & DIP_OPT))
+    {
+	len = (int)(STRLEN(opt_dir) + STRLEN(name));
+	s = alloc(len);
+	if (s == NULL)
+	    return FAIL;
+	vim_snprintf((char *)s, len, opt_dir, name);
+	done = do_in_path(p_pp, s, flags, callback, cookie);
+	vim_free(s);
+    }
+
+    return done;
+}
+
+/*
+ * Just like do_in_path_and_pp(), using 'runtimepath' for "path".
+ */
+    int
+do_in_runtimepath(
+    char_u	*name,
+    int		flags,
+    void	(*callback)(char_u *fname, void *ck),
+    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);
+}
+
+
+#if defined(FEAT_EVAL) || defined(PROTO)
+
+/*
+ * 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;
+    int	    i;
+
+    if (gen_expand_wildcards(1, &pat, &num_files, &files, EW_FILE) == OK)
+    {
+	for (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  *entry;
+    char_u  *insp = NULL;
+    int	    c;
+    char_u  *new_rtp;
+    int	    keep;
+    size_t  oldlen;
+    size_t  addlen;
+    size_t  new_rtp_len;
+    char_u  *afterdir = NULL;
+    size_t  afterlen = 0;
+    char_u  *after_insp = NULL;
+    char_u  *ffname = NULL;
+    size_t  fname_len;
+    char_u  *buf = NULL;
+    char_u  *rtp_ffname;
+    int	    match;
+    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' */
+    c = *++p4; /* append pathsep in order to expand symlink */
+    *p4 = NUL;
+    ffname = fix_fname(fname);
+    *p4 = c;
+    if (ffname == NULL)
+	return FAIL;
+
+    // Find "ffname" in "p_rtp", ignoring '/' vs '\' differences.
+    // Also stop at the first "after" directory.
+    fname_len = STRLEN(ffname);
+    buf = alloc(MAXPATHL);
+    if (buf == NULL)
+	goto theend;
+    for (entry = p_rtp; *entry != NUL; )
+    {
+	char_u *cur_entry = entry;
+
+	copy_option_part(&entry, buf, MAXPATHL, ",");
+	if (insp == NULL)
+	{
+	    add_pathsep(buf);
+	    rtp_ffname = fix_fname(buf);
+	    if (rtp_ffname == NULL)
+		goto theend;
+	    match = vim_fnamencmp(rtp_ffname, ffname, fname_len) == 0;
+	    vim_free(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 = p_rtp + STRLEN(p_rtp);
+
+    // check if rtp/pack/name/start/name/after exists
+    afterdir = concat_fnames(fname, (char_u *)"after", TRUE);
+    if (afterdir != NULL && mch_isdir(afterdir))
+	afterlen = STRLEN(afterdir) + 1; // add one for comma
+
+    oldlen = STRLEN(p_rtp);
+    addlen = STRLEN(fname) + 1; // add one for comma
+    new_rtp = alloc((int)(oldlen + addlen + afterlen + 1)); // add one for NUL
+    if (new_rtp == NULL)
+	goto theend;
+
+    // We now have 'rtp' parts: {keep}{keep_after}{rest}.
+    // Create new_rtp, first: {keep},{fname}
+    keep = (int)(insp - p_rtp);
+    mch_memmove(new_rtp, p_rtp, keep);
+    new_rtp_len = keep;
+    if (*insp == NUL)
+	new_rtp[new_rtp_len++] = ',';  // add comma before
+    mch_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)
+    {
+	int keep_after = (int)(after_insp - p_rtp);
+
+	// Add to new_rtp: {keep},{fname}{keep_after},{afterdir}
+	mch_memmove(new_rtp + new_rtp_len, p_rtp + keep,
+							keep_after - keep);
+	new_rtp_len += keep_after - keep;
+	mch_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}
+	mch_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}
+	STRCAT(new_rtp, ",");
+	STRCAT(new_rtp, afterdir);
+    }
+
+    set_option_value((char_u *)"rtp", 0L, new_rtp, 0);
+    vim_free(new_rtp);
+    retval = OK;
+
+theend:
+    vim_free(buf);
+    vim_free(ffname);
+    vim_free(afterdir);
+    return retval;
+}
+
+/*
+ * Load scripts in "plugin" and "ftdetect" directories of the package.
+ */
+    static int
+load_pack_plugin(char_u *fname)
+{
+    static char *plugpat = "%s/plugin/**/*.vim";
+    static char *ftpat = "%s/ftdetect/*.vim";
+    int		len;
+    char_u	*ffname = fix_fname(fname);
+    char_u	*pat = NULL;
+    int		retval = FAIL;
+
+    if (ffname == NULL)
+	return FAIL;
+    len = (int)STRLEN(ffname) + (int)STRLEN(ftpat);
+    pat = alloc(len);
+    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 (cmd != NULL && eval_to_number(cmd) > 0)
+	{
+	    do_cmdline_cmd((char_u *)"augroup filetypedetect");
+	    vim_snprintf((char *)pat, len, ftpat, ffname);
+	    source_all_matches(pat);
+	    do_cmdline_cmd((char_u *)"augroup END");
+	}
+	vim_free(cmd);
+    }
+    vim_free(pat);
+    retval = OK;
+
+theend:
+    vim_free(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_u	*buf = alloc(MAXPATHL);
+	char_u	*p;
+	int	found = FALSE;
+
+	if (buf == NULL)
+	    return;
+	p = p_rtp;
+	while (*p != NUL)
+	{
+	    copy_option_part(&p, buf, MAXPATHL, ",");
+	    if (pathcmp((char *)buf, (char *)fname, -1) == 0)
+	    {
+		found = TRUE;
+		break;
+	    }
+	}
+	vim_free(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,
+					       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,
+						  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 char *plugpat = "pack/*/%s/%s";
+    int		len;
+    char	*pat;
+    int		round;
+    int		res = OK;
+
+    /* Round 1: use "start", round 2: use "opt". */
+    for (round = 1; round <= 2; ++round)
+    {
+	/* Only look under "start" when loading packages wasn't done yet. */
+	if (round == 1 && did_source_packages)
+	    continue;
+
+	len = (int)STRLEN(plugpat) + (int)STRLEN(eap->arg) + 5;
+	pat = (char *)alloc(len);
+	if (pat == NULL)
+	    return;
+	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);
+	vim_free(pat);
+    }
+}
+#endif
+
+#if defined(FEAT_EVAL) || defined(PROTO)
+/*
+ * ":options"
+ */
+    void
+ex_options(
+    exarg_T	*eap UNUSED)
+{
+    vim_setenv((char_u *)"OPTWIN_CMD", (char_u *)(cmdmod.tab ? "tab" : ""));
+    cmd_source((char_u *)SYS_OPTWIN_FILE, NULL);
+}
+#endif
+
+#if defined(FEAT_PYTHON3) || defined(FEAT_PYTHON) || defined(PROTO)
+
+# if (defined(FEAT_PYTHON) && defined(FEAT_PYTHON3)) || defined(PROTO)
+/*
+ * Detect Python 3 or 2, and initialize 'pyxversion'.
+ */
+    void
+init_pyxversion(void)
+{
+    if (p_pyx == 0)
+    {
+	if (python3_enabled(FALSE))
+	    p_pyx = 3;
+	else if (python_enabled(FALSE))
+	    p_pyx = 2;
+    }
+}
+# endif
+
+/*
+ * 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 = mch_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;
+    int	    v = requires_py_version(fname);
+
+# if defined(FEAT_PYTHON) && defined(FEAT_PYTHON3)
+    init_pyxversion();
+# endif
+    if (v == 0)
+    {
+# if defined(FEAT_PYTHON) && defined(FEAT_PYTHON3)
+	/* user didn't choose a preference, 'pyx' is used */
+	v = p_pyx;
+# elif defined(FEAT_PYTHON)
+	v = 2;
+# elif defined(FEAT_PYTHON3)
+	v = 3;
+# endif
+    }
+
+    /*
+     * now source, if required python version is not supported show
+     * unobtrusive message.
+     */
+    if (eap == NULL)
+	vim_memset(&ex, 0, sizeof(ex));
+    else
+	ex = *eap;
+    ex.arg = fname;
+    ex.cmd = (char_u *)(v == 2 ? "pyfile" : "pyfile3");
+
+    if (v == 2)
+    {
+# ifdef FEAT_PYTHON
+	ex_pyfile(&ex);
+# else
+	vim_snprintf((char *)IObuff, IOSIZE,
+		_("W20: Required python version 2.x not supported, ignoring file: %s"),
+		fname);
+	msg((char *)IObuff);
+# endif
+	return;
+    }
+    else
+    {
+# ifdef FEAT_PYTHON3
+	ex_py3file(&ex);
+# else
+	vim_snprintf((char *)IObuff, IOSIZE,
+		_("W21: Required python version 3.x not supported, ignoring file: %s"),
+		fname);
+	msg((char *)IObuff);
+# endif
+	return;
+    }
+}
+
+/*
+ * ":pyxfile {fname}"
+ */
+    void
+ex_pyxfile(exarg_T *eap)
+{
+    source_pyx_file(eap, eap->arg);
+}
+
+/*
+ * ":pyx"
+ */
+    void
+ex_pyx(exarg_T *eap)
+{
+# if defined(FEAT_PYTHON) && defined(FEAT_PYTHON3)
+    init_pyxversion();
+    if (p_pyx == 2)
+	ex_python(eap);
+    else
+	ex_py3(eap);
+# elif defined(FEAT_PYTHON)
+    ex_python(eap);
+# elif defined(FEAT_PYTHON3)
+    ex_py3(eap);
+# endif
+}
+
+/*
+ * ":pyxdo"
+ */
+    void
+ex_pyxdo(exarg_T *eap)
+{
+# if defined(FEAT_PYTHON) && defined(FEAT_PYTHON3)
+    init_pyxversion();
+    if (p_pyx == 2)
+	ex_pydo(eap);
+    else
+	ex_py3do(eap);
+# elif defined(FEAT_PYTHON)
+    ex_pydo(eap);
+# elif defined(FEAT_PYTHON3)
+    ex_py3do(eap);
+# endif
+}
+
+#endif
+
+/*
+ * ":source {fname}"
+ */
+    void
+ex_source(exarg_T *eap)
+{
+#ifdef FEAT_BROWSE
+    if (cmdmod.browse)
+    {
+	char_u *fname = NULL;
+
+	fname = do_browse(0, (char_u *)_("Source Vim script"), eap->arg,
+				      NULL, NULL,
+				      (char_u *)_(BROWSE_FILTER_MACROS), NULL);
+	if (fname != NULL)
+	{
+	    cmd_source(fname, eap);
+	    vim_free(fname);
+	}
+    }
+    else
+#endif
+	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
+#ifdef FEAT_EVAL
+						 || eap->cstack->cs_idx >= 0
+#endif
+						 );
+
+    /* ":source" read ex commands */
+    else if (do_source(fname, FALSE, DOSO_NONE) == FAIL)
+	semsg(_(e_notopen), fname);
+}
+
+/*
+ * ":source" and associated commands.
+ */
+/*
+ * 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) || defined(USE_CR)
+    int		fileformat;	/* EOL_UNKNOWN, EOL_UNIX or EOL_DOS */
+    int		error;		/* TRUE if LF found after CR-LF */
+#endif
+#ifdef FEAT_EVAL
+    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 */
+#endif
+    vimconv_T	conv;		/* type of conversion */
+};
+
+#ifdef FEAT_EVAL
+/*
+ * Return the 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;
+}
+#endif
+
+static char_u *get_one_sourceline(struct source_cookie *sp);
+
+#if (defined(WIN32) && defined(FEAT_CSCOPE)) || defined(HAVE_FD_CLOEXEC)
+# define USE_FOPEN_NOINH
+/*
+ * Special function to open a file without handle inheritance.
+ * When possible the handle is closed on exec().
+ */
+    static FILE *
+fopen_noinh_readbin(char *filename)
+{
+# ifdef WIN32
+    int	fd_tmp = mch_open(filename, O_RDONLY | O_BINARY | O_NOINHERIT, 0);
+# else
+    int	fd_tmp = mch_open(filename, O_RDONLY, 0);
+# endif
+
+    if (fd_tmp == -1)
+	return NULL;
+
+# ifdef HAVE_FD_CLOEXEC
+    {
+	int fdflags = fcntl(fd_tmp, F_GETFD);
+	if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0)
+	    (void)fcntl(fd_tmp, F_SETFD, fdflags | FD_CLOEXEC);
+    }
+# endif
+
+    return fdopen(fd_tmp, READBIN);
+}
+#endif
+
+
+/*
+ * do_source: Read the file "fname" and execute its lines as EX commands.
+ *
+ * This function may be called recursively!
+ *
+ * return FAIL if file could not be opened, OK otherwise
+ */
+    int
+do_source(
+    char_u	*fname,
+    int		check_other,	    /* check for .vimrc and _vimrc */
+    int		is_vimrc)	    /* DOSO_ value */
+{
+    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;
+#ifdef FEAT_EVAL
+    sctx_T		    save_current_sctx;
+    static scid_T	    last_current_SID = 0;
+    static int		    last_current_SID_seq = 0;
+    funccal_entry_T	    funccalp_entry;
+    int			    save_debug_break_level = debug_break_level;
+    scriptitem_T	    *si = NULL;
+# ifdef UNIX
+    stat_T		    st;
+    int			    stat_ok;
+# endif
+#endif
+#ifdef STARTUPTIME
+    struct timeval	    tv_rel;
+    struct timeval	    tv_start;
+#endif
+#ifdef FEAT_PROFILE
+    proftime_T		    wait_start;
+#endif
+    int			    trigger_source_post = FALSE;
+
+    p = expand_env_save(fname);
+    if (p == NULL)
+	return retval;
+    fname_exp = fix_fname(p);
+    vim_free(p);
+    if (fname_exp == NULL)
+	return retval;
+    if (mch_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))
+    {
+#ifdef FEAT_EVAL
+	retval = aborting() ? FAIL : OK;
+#else
+	retval = OK;
+#endif
+	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);
+
+#ifdef USE_FOPEN_NOINH
+    cookie.fp = fopen_noinh_readbin((char *)fname_exp);
+#else
+    cookie.fp = mch_fopen((char *)fname_exp, READBIN);
+#endif
+    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 = gettail(fname_exp);
+	if ((*p == '.' || *p == '_')
+		&& (STRICMP(p + 1, "vimrc") == 0
+		    || STRICMP(p + 1, "gvimrc") == 0
+		    || STRICMP(p + 1, "exrc") == 0))
+	{
+	    if (*p == '_')
+		*p = '.';
+	    else
+		*p = '_';
+#ifdef USE_FOPEN_NOINH
+	    cookie.fp = fopen_noinh_readbin((char *)fname_exp);
+#else
+	    cookie.fp = mch_fopen((char *)fname_exp, READBIN);
+#endif
+	}
+    }
+
+    if (cookie.fp == NULL)
+    {
+	if (p_verbose > 0)
+	{
+	    verbose_enter();
+	    if (sourcing_name == NULL)
+		smsg(_("could not source \"%s\""), fname);
+	    else
+		smsg(_("line %ld: could not source \"%s\""),
+							sourcing_lnum, fname);
+	    verbose_leave();
+	}
+	goto theend;
+    }
+
+    /*
+     * The file exists.
+     * - In verbose mode, give a message.
+     * - For a vimrc file, may want to set 'compatible', call vimrc_found().
+     */
+    if (p_verbose > 1)
+    {
+	verbose_enter();
+	if (sourcing_name == NULL)
+	    smsg(_("sourcing \"%s\""), fname);
+	else
+	    smsg(_("line %ld: sourcing \"%s\""),
+							sourcing_lnum, fname);
+	verbose_leave();
+    }
+    if (is_vimrc == DOSO_VIMRC)
+	vimrc_found(fname_exp, (char_u *)"MYVIMRC");
+    else if (is_vimrc == DOSO_GVIMRC)
+	vimrc_found(fname_exp, (char_u *)"MYGVIMRC");
+
+#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
+
+#ifdef USE_CR
+    /* If no automatic file format: Set default to CR. */
+    if (*p_ffs == NUL)
+	cookie.fileformat = EOL_MAC;
+    else
+	cookie.fileformat = EOL_UNKNOWN;
+    cookie.error = FALSE;
+#endif
+
+    cookie.nextline = NULL;
+    cookie.finished = FALSE;
+
+#ifdef FEAT_EVAL
+    /*
+     * 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;
+#endif
+
+    /*
+     * 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;
+
+#ifdef STARTUPTIME
+    if (time_fd != NULL)
+	time_push(&tv_rel, &tv_start);
+#endif
+
+#ifdef FEAT_EVAL
+# ifdef FEAT_PROFILE
+    if (do_profiling == PROF_YES)
+	prof_child_enter(&wait_start);		/* entering a child now */
+# endif
+
+    /* Don't use local function variables, if called from a function.
+     * Also starts profiling timer for nested script. */
+    save_funccal(&funccalp_entry);
+
+    // 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.
+    save_current_sctx = current_sctx;
+    current_sctx.sc_seq = ++last_current_SID_seq;
+    current_sctx.sc_lnum = 0;
+# ifdef UNIX
+    stat_ok = (mch_stat((char *)fname_exp, &st) >= 0);
+# endif
+    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);
+	if (si->sn_name != NULL
+		&& (
+# ifdef UNIX
+		    /* Compare dev/ino when possible, it catches symbolic
+		     * links.  Also compare file names, the inode may change
+		     * when the file was edited. */
+		    ((stat_ok && si->sn_dev_valid)
+			&& (si->sn_dev == st.st_dev
+			    && si->sn_ino == st.st_ino)) ||
+# endif
+		fnamecmp(si->sn_name, fname_exp) == 0))
+	    break;
+    }
+    if (current_sctx.sc_sid == 0)
+    {
+	current_sctx.sc_sid = ++last_current_SID;
+	if (ga_grow(&script_items,
+		     (int)(current_sctx.sc_sid - script_items.ga_len)) == FAIL)
+	    goto almosttheend;
+	while (script_items.ga_len < current_sctx.sc_sid)
+	{
+	    ++script_items.ga_len;
+	    SCRIPT_ITEM(script_items.ga_len).sn_name = NULL;
+# ifdef FEAT_PROFILE
+	    SCRIPT_ITEM(script_items.ga_len).sn_prof_on = FALSE;
+# endif
+	}
+	si = &SCRIPT_ITEM(current_sctx.sc_sid);
+	si->sn_name = fname_exp;
+	fname_exp = vim_strsave(si->sn_name);  // used for autocmd
+# ifdef UNIX
+	if (stat_ok)
+	{
+	    si->sn_dev_valid = TRUE;
+	    si->sn_dev = st.st_dev;
+	    si->sn_ino = st.st_ino;
+	}
+	else
+	    si->sn_dev_valid = FALSE;
+# endif
+
+	/* Allocate the local script variables to use for this script. */
+	new_script_vars(current_sctx.sc_sid);
+    }
+
+# ifdef FEAT_PROFILE
+    if (do_profiling == PROF_YES)
+    {
+	int	forceit;
+
+	/* Check if we do profiling for this script. */
+	if (!si->sn_prof_on && has_profiling(TRUE, si->sn_name, &forceit))
+	{
+	    script_do_profile(si);
+	    si->sn_pr_force = forceit;
+	}
+	if (si->sn_prof_on)
+	{
+	    ++si->sn_pr_count;
+	    profile_start(&si->sn_pr_start);
+	    profile_zero(&si->sn_pr_children);
+	}
+    }
+# endif
+#endif
+
+    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);
+    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);
+	if (p != NULL)
+	{
+	    vim_free(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;
+
+#ifdef FEAT_PROFILE
+    if (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)
+	{
+	    profile_end(&si->sn_pr_start);
+	    profile_sub_wait(&wait_start, &si->sn_pr_start);
+	    profile_add(&si->sn_pr_total, &si->sn_pr_start);
+	    profile_self(&si->sn_pr_self, &si->sn_pr_start,
+							 &si->sn_pr_children);
+	}
+    }
+#endif
+
+    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();
+    }
+#ifdef STARTUPTIME
+    if (time_fd != NULL)
+    {
+	vim_snprintf((char *)IObuff, IOSIZE, "sourcing %s", fname);
+	time_msg((char *)IObuff, &tv_start);
+	time_pop(&tv_rel);
+    }
+#endif
+
+    if (!got_int)
+	trigger_source_post = TRUE;
+
+#ifdef FEAT_EVAL
+    /*
+     * 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;
+#endif
+
+#ifdef FEAT_EVAL
+almosttheend:
+    current_sctx = save_current_sctx;
+    restore_funccal();
+# ifdef FEAT_PROFILE
+    if (do_profiling == PROF_YES)
+	prof_child_exit(&wait_start);		/* leaving a child now */
+# endif
+#endif
+    fclose(cookie.fp);
+    vim_free(cookie.nextline);
+    vim_free(firstline);
+    convert_setup(&cookie.conv, NULL, NULL);
+
+    if (trigger_source_post)
+	apply_autocmds(EVENT_SOURCEPOST, fname_exp, fname_exp, FALSE, curbuf);
+
+theend:
+    vim_free(fname_exp);
+    return retval;
+}
+
+#if defined(FEAT_EVAL) || defined(PROTO)
+
+/*
+ * ":scriptnames"
+ */
+    void
+ex_scriptnames(exarg_T *eap)
+{
+    int i;
+
+    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 (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) || defined(PROTO)
+/*
+ * Fix slashes in the list of script names for 'shellslash'.
+ */
+    void
+scriptnames_slash_adjust(void)
+{
+    int i;
+
+    for (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(scid_T id)
+{
+    if (id == SID_MODELINE)
+	return (char_u *)_("modeline");
+    if (id == SID_CMDARG)
+	return (char_u *)_("--cmd argument");
+    if (id == SID_CARG)
+	return (char_u *)_("-c argument");
+    if (id == SID_ENV)
+	return (char_u *)_("environment variable");
+    if (id == SID_ERROR)
+	return (char_u *)_("error handler");
+    return SCRIPT_ITEM(id).sn_name;
+}
+
+# if defined(EXITFREE) || defined(PROTO)
+    void
+free_scriptnames(void)
+{
+    int			i;
+
+    for (i = script_items.ga_len; i > 0; --i)
+	vim_free(SCRIPT_ITEM(i).sn_name);
+    ga_clear(&script_items);
+}
+# endif
+
+#endif
+
+#if defined(USE_CR) || defined(PROTO)
+
+# if defined(__MSL__) && (__MSL__ >= 22)
+/*
+ * Newer version of the Metrowerks library handle DOS and UNIX files
+ * without help.
+ * Test with earlier versions, MSL 2.2 is the library supplied with
+ * Codewarrior Pro 2.
+ */
+    char *
+fgets_cr(char *s, int n, FILE *stream)
+{
+    return fgets(s, n, stream);
+}
+# else
+/*
+ * Version of fgets() which also works for lines ending in a <CR> only
+ * (Macintosh format).
+ * For older versions of the Metrowerks library.
+ * At least CodeWarrior 9 needed this code.
+ */
+    char *
+fgets_cr(char *s, int n, FILE *stream)
+{
+    int	c = 0;
+    int char_read = 0;
+
+    while (!feof(stream) && c != '\r' && c != '\n' && char_read < n - 1)
+    {
+	c = fgetc(stream);
+	s[char_read++] = c;
+	/* If the file is in DOS format, we need to skip a NL after a CR.  I
+	 * thought it was the other way around, but this appears to work... */
+	if (c == '\n')
+	{
+	    c = fgetc(stream);
+	    if (c != '\r')
+		ungetc(c, stream);
+	}
+    }
+
+    s[char_read] = 0;
+    if (char_read == 0)
+	return NULL;
+
+    if (feof(stream) && char_read == 1)
+	return NULL;
+
+    return s;
+}
+# endif
+#endif
+
+/*
+ * Get one full line from a sourced file.
+ * Called by do_cmdline() when it's called from do_source().
+ *
+ * Return a pointer to the line in allocated memory.
+ * Return NULL for end-of-file or some error.
+ */
+    char_u *
+getsourceline(int c UNUSED, void *cookie, int indent UNUSED)
+{
+    struct source_cookie *sp = (struct source_cookie *)cookie;
+    char_u		*line;
+    char_u		*p;
+
+#ifdef FEAT_EVAL
+    /* 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;
+    }
+# ifdef FEAT_PROFILE
+    if (do_profiling == PROF_YES)
+	script_line_end();
+# endif
+#endif
+    /*
+     * 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;
+    }
+#ifdef FEAT_PROFILE
+    if (line != NULL && do_profiling == PROF_YES)
+	script_line_start();
+#endif
+
+    /* Only concatenate lines starting with a \ when 'cpoptions' doesn't
+     * contain the 'C' flag. */
+    if (line != NULL && (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_init2(&ga, (int)sizeof(char_u), 400);
+	    ga_concat(&ga, line);
+	    if (*p == '\\')
+		ga_concat(&ga, p + 1);
+	    for (;;)
+	    {
+		vim_free(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)
+		    {
+			if (ga.ga_len > 8000)
+			    ga.ga_growsize = 8000;
+			else
+			    ga.ga_growsize = ga.ga_len;
+		    }
+		    ga_concat(&ga, p + 1);
+		}
+		else if (p[0] != '"' || p[1] != '\\' || p[2] != ' ')
+		    break;
+	    }
+	    ga_append(&ga, NUL);
+	    vim_free(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)
+	{
+	    vim_free(line);
+	    line = s;
+	}
+    }
+
+#ifdef FEAT_EVAL
+    /* 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;
+    }
+#endif
+
+    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
+#ifdef USE_CR
+    char_u		*scan;
+#endif
+    int			have_read = FALSE;
+
+    /* use a growarray to store the sourced line */
+    ga_init2(&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 */
+	if (ga_grow(&ga, 120) == FAIL)
+	    break;
+	buf = (char_u *)ga.ga_data;
+
+#ifdef USE_CR
+	if (sp->fileformat == EOL_MAC)
+	{
+	    if (fgets_cr((char *)buf + ga.ga_len, ga.ga_maxlen - ga.ga_len,
+							      sp->fp) == NULL)
+		break;
+	}
+	else
+#endif
+	    if (fgets((char *)buf + ga.ga_len, ga.ga_maxlen - ga.ga_len,
+							      sp->fp) == NULL)
+		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
+
+#ifdef USE_CR
+	/* If the read doesn't stop on a new line, and there's
+	 * some CR then we assume a Mac format */
+	if (sp->fileformat == EOL_UNKNOWN)
+	{
+	    if (buf[len - 1] != '\n' && vim_strchr(buf, '\r') != NULL)
+		sp->fileformat = EOL_MAC;
+	    else
+		sp->fileformat = EOL_UNIX;
+	}
+
+	if (sp->fileformat == EOL_MAC)
+	{
+	    scan = vim_strchr(buf, '\r');
+
+	    if (scan != NULL)
+	    {
+		*scan = '\n';
+		if (*(scan + 1) != 0)
+		{
+		    *(scan + 1) = 0;
+		    fseek(sp->fp, (long)(scan - buf - len + 1), SEEK_CUR);
+		}
+	    }
+	    len = STRLEN(buf);
+	}
+#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;
+
+    vim_free(ga.ga_data);
+    return NULL;
+}
+
+#if defined(FEAT_PROFILE) || defined(PROTO)
+/*
+ * 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;
+	    profile_zero(&pp->sn_prl_total);
+	    profile_zero(&pp->sn_prl_self);
+	    ++si->sn_prl_ga.ga_len;
+	}
+	si->sn_prl_execed = FALSE;
+	profile_start(&si->sn_prl_start);
+	profile_zero(&si->sn_prl_children);
+	profile_get_wait(&si->sn_prl_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 script 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;
+	    profile_end(&si->sn_prl_start);
+	    profile_sub_wait(&si->sn_prl_wait, &si->sn_prl_start);
+	    profile_add(&pp->sn_prl_total, &si->sn_prl_start);
+	    profile_self(&pp->sn_prl_self, &si->sn_prl_start,
+							&si->sn_prl_children);
+	}
+	si->sn_prl_idx = -1;
+    }
+}
+#endif
+
+/*
+ * ":scriptencoding": Set encoding conversion for a sourced script.
+ * Without the multi-byte feature it's simply ignored.
+ */
+    void
+ex_scriptencoding(exarg_T *eap UNUSED)
+{
+    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);
+	if (name == NULL)	/* out of memory */
+	    return;
+    }
+    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)
+	vim_free(name);
+}
+
+#if defined(FEAT_EVAL) || defined(PROTO)
+/*
+ * ":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.
+ */
+    int
+source_finished(
+    char_u	*(*fgetline)(int, void *, int),
+    void	*cookie)
+{
+    return (getline_equal(fgetline, cookie, getsourceline)
+	    && ((struct source_cookie *)getline_cookie(
+						fgetline, cookie))->finished);
+}
+#endif
+
+/*
+ * ":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) || defined(X_LOCALE)) \
+	&& (defined(FEAT_EVAL) || defined(FEAT_MULTI_LANG))
+# define HAVE_GET_LOCALE_VAL
+    static char_u *
+get_locale_val(int what)
+{
+    char_u	*loc;
+
+    /* Obtain the locale value from the libraries. */
+    loc = (char_u *)setlocale(what, NULL);
+
+# ifdef WIN32
+    if (loc != NULL)
+    {
+	char_u	*p;
+
+	/* setocale() returns something like "LC_COLLATE=<name>;LC_..." when
+	 * one of the values (e.g., LC_CTYPE) differs. */
+	p = vim_strchr(loc, '=');
+	if (p != NULL)
+	{
+	    loc = ++p;
+	    while (*p != NUL)	/* remove trailing newline */
+	    {
+		if (*p < ' ' || *p == ';')
+		{
+		    *p = NUL;
+		    break;
+		}
+		++p;
+	    }
+	}
+    }
+# endif
+
+    return loc;
+}
+#endif
+
+
+#ifdef WIN32
+/*
+ * On MS-Windows locale names are strings like "German_Germany.1252", but
+ * gettext expects "de".  Try to translate one into another here for a few
+ * supported languages.
+ */
+    static char_u *
+gettext_lang(char_u *name)
+{
+    int		i;
+    static char *(mtable[]) = {
+			"afrikaans",	"af",
+			"czech",	"cs",
+			"dutch",	"nl",
+			"german",	"de",
+			"english_united kingdom", "en_GB",
+			"spanish",	"es",
+			"french",	"fr",
+			"italian",	"it",
+			"japanese",	"ja",
+			"korean",	"ko",
+			"norwegian",	"no",
+			"polish",	"pl",
+			"russian",	"ru",
+			"slovak",	"sk",
+			"swedish",	"sv",
+			"ukrainian",	"uk",
+			"chinese_china", "zh_CN",
+			"chinese_taiwan", "zh_TW",
+			NULL};
+
+    for (i = 0; mtable[i] != NULL; i += 2)
+	if (STRNICMP(mtable[i], name, STRLEN(mtable[i])) == 0)
+	    return (char_u *)mtable[i + 1];
+    return name;
+}
+#endif
+
+#if defined(FEAT_MULTI_LANG) || defined(PROTO)
+/*
+ * Return TRUE when "lang" starts with a valid language name.
+ * Rejects NULL, empty string, "C", "C.UTF-8" and others.
+ */
+    static int
+is_valid_mess_lang(char_u *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_u *
+get_mess_lang(void)
+{
+    char_u *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 = mch_getenv((char_u *)"LC_ALL");
+    if (!is_valid_mess_lang(p))
+    {
+	p = mch_getenv((char_u *)"LC_MESSAGES");
+	if (!is_valid_mess_lang(p))
+	    p = mch_getenv((char_u *)"LANG");
+    }
+# endif
+# ifdef WIN32
+    p = gettext_lang(p);
+# endif
+    return is_valid_mess_lang(p) ? p : NULL;
+}
+#endif
+
+/* Complicated #if; matches with where get_mess_env() is used below. */
+#if (defined(FEAT_EVAL) && !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
+	    && defined(LC_MESSAGES))) \
+	|| ((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
+		&& !defined(LC_MESSAGES))
+/*
+ * Get the language used for messages from the environment.
+ */
+    static char_u *
+get_mess_env(void)
+{
+    char_u	*p;
+
+    p = mch_getenv((char_u *)"LC_ALL");
+    if (p == NULL || *p == NUL)
+    {
+	p = mch_getenv((char_u *)"LC_MESSAGES");
+	if (p == NULL || *p == NUL)
+	{
+	    p = mch_getenv((char_u *)"LANG");
+	    if (p != NULL && VIM_ISDIGIT(*p))
+		p = NULL;		/* ignore something like "1043" */
+# ifdef HAVE_GET_LOCALE_VAL
+	    if (p == NULL || *p == NUL)
+		p = get_locale_val(LC_CTYPE);
+# endif
+	}
+    }
+    return p;
+}
+#endif
+
+#if defined(FEAT_EVAL) || defined(PROTO)
+
+/*
+ * Set the "v:lang" variable according to the current locale setting.
+ * Also do "v:lc_time"and "v:ctype".
+ */
+    void
+set_lang_var(void)
+{
+    char_u	*loc;
+
+# ifdef HAVE_GET_LOCALE_VAL
+    loc = get_locale_val(LC_CTYPE);
+# else
+    /* setlocale() not supported: use the default value */
+    loc = (char_u *)"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. */
+# if defined(HAVE_GET_LOCALE_VAL) && defined(LC_MESSAGES)
+    loc = get_locale_val(LC_MESSAGES);
+# else
+    loc = get_mess_env();
+# 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);
+}
+#endif
+
+#if defined(HAVE_LOCALE_H) || defined(X_LOCALE) \
+/*
+ * ":language":  Set the language (locale).
+ */
+    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 || VIM_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)
+    {
+#ifndef LC_MESSAGES
+	if (what == VIM_LC_MESSAGES)
+	    p = get_mess_env();
+	else
+#endif
+	    p = (char_u *)setlocale(what, NULL);
+	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);
+#if defined(FEAT_FLOAT) && defined(LC_NUMERIC)
+	    /* Make sure strtod() uses a decimal point, not a comma. */
+	    setlocale(LC_NUMERIC, "C");
+#endif
+	}
+	if (loc == NULL)
+	    semsg(_("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. */
+	    vim_setenv((char_u *)"LC_ALL", (char_u *)"");
+
+	    if (what != LC_TIME)
+	    {
+		/* Tell gettext() what to translate to.  It apparently doesn't
+		 * use the currently effective locale.  Also do this when
+		 * FEAT_GETTEXT isn't defined, so that shell commands use this
+		 * value. */
+		if (what == LC_ALL)
+		{
+		    vim_setenv((char_u *)"LANG", name);
+
+		    /* Clear $LANGUAGE because GNU gettext uses it. */
+		    vim_setenv((char_u *)"LANGUAGE", (char_u *)"");
+# ifdef WIN32
+		    /* Apparently MS-Windows printf() may cause a crash when
+		     * we give it 8-bit text while it's expecting text in the
+		     * current locale.  This call avoids that. */
+		    setlocale(LC_CTYPE, "C");
+# endif
+		}
+		if (what != LC_CTYPE)
+		{
+		    char_u	*mname;
+#ifdef WIN32
+		    mname = gettext_lang(name);
+#else
+		    mname = name;
+#endif
+		    vim_setenv((char_u *)"LC_MESSAGES", mname);
+#ifdef FEAT_MULTI_LANG
+		    set_helplang_default(mname);
+#endif
+		}
+	    }
+
+# ifdef FEAT_EVAL
+	    /* Set v:lang, v:lc_time and v:ctype to the final result. */
+	    set_lang_var();
+# endif
+# ifdef FEAT_TITLE
+	    maketitle();
+# endif
+	}
+    }
+}
+
+# if defined(FEAT_CMDL_COMPL) || defined(PROTO)
+
+static char_u	**locales = NULL;	/* Array of all available locales */
+
+#  ifndef WIN32
+static int	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;
+
+    /* 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, SHELL_SILENT, NULL);
+    if (locale_a == NULL)
+	return NULL;
+    ga_init2(&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 *)strtok((char *)locale_a, "\n");
+
+    while (loc != NULL)
+    {
+	if (ga_grow(&locales_ga, 1) == FAIL)
+	    break;
+	loc = vim_strsave(loc);
+	if (loc == NULL)
+	    break;
+
+	((char_u **)locales_ga.ga_data)[locales_ga.ga_len++] = loc;
+	loc = (char_u *)strtok(NULL, "\n");
+    }
+    vim_free(locale_a);
+    if (ga_grow(&locales_ga, 1) == FAIL)
+    {
+	ga_clear(&locales_ga);
+	return NULL;
+    }
+    ((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) || defined(PROTO)
+    void
+free_locales(void)
+{
+    int			i;
+    if (locales != NULL)
+    {
+	for (i = 0; locales[i] != NULL; i++)
+	    vim_free(locales[i]);
+	VIM_CLEAR(locales);
+    }
+}
+#  endif
+
+/*
+ * Function given to ExpandGeneric() to obtain the possible arguments of the
+ * ":language" command.
+ */
+    char_u *
+get_lang_arg(expand_T *xp UNUSED, 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 UNUSED, int idx)
+{
+    init_locales();
+    if (locales == NULL)
+	return NULL;
+    return locales[idx];
+}
+# endif
+
+#endif