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/* vi:set ts=8 sts=4 sw=4:
*
* 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_docmd.c: functions for executing an Ex command line.
*/
#include "vim.h"
static int quitmore = 0;
static int ex_pressedreturn = FALSE;
#ifndef FEAT_PRINTER
# define ex_hardcopy ex_ni
#endif
#ifdef FEAT_USR_CMDS
typedef struct ucmd
{
char_u *uc_name; /* The command name */
long_u uc_argt; /* The argument type */
char_u *uc_rep; /* The command's replacement string */
long uc_def; /* The default value for a range/count */
scid_T uc_scriptID; /* SID where the command was defined */
int uc_compl; /* completion type */
# if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
char_u *uc_compl_arg; /* completion argument if any */
# endif
} ucmd_T;
#define UC_BUFFER 1 /* -buffer: local to current buffer */
static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
#define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
#define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
static void do_ucmd __ARGS((exarg_T *eap));
static void ex_command __ARGS((exarg_T *eap));
static void ex_delcommand __ARGS((exarg_T *eap));
# ifdef FEAT_CMDL_COMPL
static char_u *get_user_command_name __ARGS((int idx));
# endif
#else
# define ex_command ex_ni
# define ex_comclear ex_ni
# define ex_delcommand ex_ni
#endif
#ifdef FEAT_EVAL
static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
#else
static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
static int if_level = 0; /* depth in :if */
#endif
static char_u *find_command __ARGS((exarg_T *eap, int *full));
static void ex_abbreviate __ARGS((exarg_T *eap));
static void ex_map __ARGS((exarg_T *eap));
static void ex_unmap __ARGS((exarg_T *eap));
static void ex_mapclear __ARGS((exarg_T *eap));
static void ex_abclear __ARGS((exarg_T *eap));
#ifndef FEAT_MENU
# define ex_emenu ex_ni
# define ex_menu ex_ni
# define ex_menutranslate ex_ni
#endif
#ifdef FEAT_AUTOCMD
static void ex_autocmd __ARGS((exarg_T *eap));
static void ex_doautocmd __ARGS((exarg_T *eap));
#else
# define ex_autocmd ex_ni
# define ex_doautocmd ex_ni
# define ex_doautoall ex_ni
#endif
#ifdef FEAT_LISTCMDS
static void ex_bunload __ARGS((exarg_T *eap));
static void ex_buffer __ARGS((exarg_T *eap));
static void ex_bmodified __ARGS((exarg_T *eap));
static void ex_bnext __ARGS((exarg_T *eap));
static void ex_bprevious __ARGS((exarg_T *eap));
static void ex_brewind __ARGS((exarg_T *eap));
static void ex_blast __ARGS((exarg_T *eap));
#else
# define ex_bunload ex_ni
# define ex_buffer ex_ni
# define ex_bmodified ex_ni
# define ex_bnext ex_ni
# define ex_bprevious ex_ni
# define ex_brewind ex_ni
# define ex_blast ex_ni
# define buflist_list ex_ni
# define ex_checktime ex_ni
#endif
#if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
# define ex_buffer_all ex_ni
#endif
static char_u *getargcmd __ARGS((char_u **));
static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
static int getargopt __ARGS((exarg_T *eap));
#ifndef FEAT_QUICKFIX
# define ex_make ex_ni
# define ex_cbuffer ex_ni
# define ex_cc ex_ni
# define ex_cnext ex_ni
# define ex_cfile ex_ni
# define qf_list ex_ni
# define qf_age ex_ni
# define ex_helpgrep ex_ni
# define ex_vimgrep ex_ni
#endif
#if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
# define ex_cclose ex_ni
# define ex_copen ex_ni
# define ex_cwindow ex_ni
#endif
#if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
# define ex_cexpr ex_ni
#endif
static int check_more __ARGS((int, int));
static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
static void get_flags __ARGS((exarg_T *eap));
#if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
|| !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
# define HAVE_EX_SCRIPT_NI
static void ex_script_ni __ARGS((exarg_T *eap));
#endif
static char_u *invalid_range __ARGS((exarg_T *eap));
static void correct_range __ARGS((exarg_T *eap));
#ifdef FEAT_QUICKFIX
static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
#endif
static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
static void ex_highlight __ARGS((exarg_T *eap));
static void ex_colorscheme __ARGS((exarg_T *eap));
static void ex_quit __ARGS((exarg_T *eap));
static void ex_cquit __ARGS((exarg_T *eap));
static void ex_quit_all __ARGS((exarg_T *eap));
#ifdef FEAT_WINDOWS
static void ex_close __ARGS((exarg_T *eap));
static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
static void ex_only __ARGS((exarg_T *eap));
static void ex_resize __ARGS((exarg_T *eap));
static void ex_stag __ARGS((exarg_T *eap));
static void ex_tabclose __ARGS((exarg_T *eap));
static void ex_tabonly __ARGS((exarg_T *eap));
static void ex_tabnext __ARGS((exarg_T *eap));
static void ex_tabmove __ARGS((exarg_T *eap));
static void ex_tabs __ARGS((exarg_T *eap));
#else
# define ex_close ex_ni
# define ex_only ex_ni
# define ex_all ex_ni
# define ex_resize ex_ni
# define ex_splitview ex_ni
# define ex_stag ex_ni
# define ex_tabnext ex_ni
# define ex_tabmove ex_ni
# define ex_tabs ex_ni
# define ex_tabclose ex_ni
# define ex_tabonly ex_ni
#endif
#if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
static void ex_pclose __ARGS((exarg_T *eap));
static void ex_ptag __ARGS((exarg_T *eap));
static void ex_pedit __ARGS((exarg_T *eap));
#else
# define ex_pclose ex_ni
# define ex_ptag ex_ni
# define ex_pedit ex_ni
#endif
static void ex_hide __ARGS((exarg_T *eap));
static void ex_stop __ARGS((exarg_T *eap));
static void ex_exit __ARGS((exarg_T *eap));
static void ex_print __ARGS((exarg_T *eap));
#ifdef FEAT_BYTEOFF
static void ex_goto __ARGS((exarg_T *eap));
#else
# define ex_goto ex_ni
#endif
static void ex_shell __ARGS((exarg_T *eap));
static void ex_preserve __ARGS((exarg_T *eap));
static void ex_recover __ARGS((exarg_T *eap));
#ifndef FEAT_LISTCMDS
# define ex_argedit ex_ni
# define ex_argadd ex_ni
# define ex_argdelete ex_ni
# define ex_listdo ex_ni
#endif
static void ex_mode __ARGS((exarg_T *eap));
static void ex_wrongmodifier __ARGS((exarg_T *eap));
static void ex_find __ARGS((exarg_T *eap));
static void ex_open __ARGS((exarg_T *eap));
static void ex_edit __ARGS((exarg_T *eap));
#if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
# define ex_drop ex_ni
#endif
#ifndef FEAT_GUI
# define ex_gui ex_nogui
static void ex_nogui __ARGS((exarg_T *eap));
#endif
#if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
static void ex_tearoff __ARGS((exarg_T *eap));
#else
# define ex_tearoff ex_ni
#endif
#if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
static void ex_popup __ARGS((exarg_T *eap));
#else
# define ex_popup ex_ni
#endif
#ifndef FEAT_GUI_MSWIN
# define ex_simalt ex_ni
#endif
#if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
# define gui_mch_find_dialog ex_ni
# define gui_mch_replace_dialog ex_ni
#endif
#if !defined(FEAT_GUI_GTK)
# define ex_helpfind ex_ni
#endif
#ifndef FEAT_CSCOPE
# define do_cscope ex_ni
# define do_scscope ex_ni
# define do_cstag ex_ni
#endif
#ifndef FEAT_SYN_HL
# define ex_syntax ex_ni
#endif
#ifndef FEAT_SPELL
# define ex_spell ex_ni
# define ex_mkspell ex_ni
# define ex_spelldump ex_ni
# define ex_spellinfo ex_ni
# define ex_spellrepall ex_ni
#endif
#ifndef FEAT_MZSCHEME
# define ex_mzscheme ex_script_ni
# define ex_mzfile ex_ni
#endif
#ifndef FEAT_PERL
# define ex_perl ex_script_ni
# define ex_perldo ex_ni
#endif
#ifndef FEAT_PYTHON
# define ex_python ex_script_ni
# define ex_pyfile ex_ni
#endif
#ifndef FEAT_TCL
# define ex_tcl ex_script_ni
# define ex_tcldo ex_ni
# define ex_tclfile ex_ni
#endif
#ifndef FEAT_RUBY
# define ex_ruby ex_script_ni
# define ex_rubydo ex_ni
# define ex_rubyfile ex_ni
#endif
#ifndef FEAT_SNIFF
# define ex_sniff ex_ni
#endif
#ifndef FEAT_KEYMAP
# define ex_loadkeymap ex_ni
#endif
static void ex_swapname __ARGS((exarg_T *eap));
static void ex_syncbind __ARGS((exarg_T *eap));
static void ex_read __ARGS((exarg_T *eap));
static void ex_pwd __ARGS((exarg_T *eap));
static void ex_equal __ARGS((exarg_T *eap));
static void ex_sleep __ARGS((exarg_T *eap));
static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
static void ex_winsize __ARGS((exarg_T *eap));
#ifdef FEAT_WINDOWS
static void ex_wincmd __ARGS((exarg_T *eap));
#else
# define ex_wincmd ex_ni
#endif
#if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
static void ex_winpos __ARGS((exarg_T *eap));
#else
# define ex_winpos ex_ni
#endif
static void ex_operators __ARGS((exarg_T *eap));
static void ex_put __ARGS((exarg_T *eap));
static void ex_copymove __ARGS((exarg_T *eap));
static void ex_may_print __ARGS((exarg_T *eap));
static void ex_submagic __ARGS((exarg_T *eap));
static void ex_join __ARGS((exarg_T *eap));
static void ex_at __ARGS((exarg_T *eap));
static void ex_bang __ARGS((exarg_T *eap));
static void ex_undo __ARGS((exarg_T *eap));
static void ex_redo __ARGS((exarg_T *eap));
static void ex_later __ARGS((exarg_T *eap));
static void ex_redir __ARGS((exarg_T *eap));
static void ex_redraw __ARGS((exarg_T *eap));
static void ex_redrawstatus __ARGS((exarg_T *eap));
static void close_redir __ARGS((void));
static void ex_mkrc __ARGS((exarg_T *eap));
static void ex_mark __ARGS((exarg_T *eap));
#ifdef FEAT_USR_CMDS
static char_u *uc_fun_cmd __ARGS((void));
static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
#endif
#ifdef FEAT_EX_EXTRA
static void ex_normal __ARGS((exarg_T *eap));
static void ex_startinsert __ARGS((exarg_T *eap));
static void ex_stopinsert __ARGS((exarg_T *eap));
#else
# define ex_normal ex_ni
# define ex_align ex_ni
# define ex_retab ex_ni
# define ex_startinsert ex_ni
# define ex_stopinsert ex_ni
# define ex_helptags ex_ni
# define ex_sort ex_ni
#endif
#ifdef FEAT_FIND_ID
static void ex_checkpath __ARGS((exarg_T *eap));
static void ex_findpat __ARGS((exarg_T *eap));
#else
# define ex_findpat ex_ni
# define ex_checkpath ex_ni
#endif
#if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
static void ex_psearch __ARGS((exarg_T *eap));
#else
# define ex_psearch ex_ni
#endif
static void ex_tag __ARGS((exarg_T *eap));
static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
#ifndef FEAT_EVAL
# define ex_scriptnames ex_ni
# define ex_finish ex_ni
# define ex_echo ex_ni
# define ex_echohl ex_ni
# define ex_execute ex_ni
# define ex_call ex_ni
# define ex_if ex_ni
# define ex_endif ex_ni
# define ex_else ex_ni
# define ex_while ex_ni
# define ex_for ex_ni
# define ex_continue ex_ni
# define ex_break ex_ni
# define ex_endwhile ex_ni
# define ex_endfor ex_ni
# define ex_throw ex_ni
# define ex_try ex_ni
# define ex_catch ex_ni
# define ex_finally ex_ni
# define ex_endtry ex_ni
# define ex_endfunction ex_ni
# define ex_let ex_ni
# define ex_unlet ex_ni
# define ex_lockvar ex_ni
# define ex_unlockvar ex_ni
# define ex_function ex_ni
# define ex_delfunction ex_ni
# define ex_return ex_ni
# define ex_oldfiles ex_ni
#endif
static char_u *arg_all __ARGS((void));
#ifdef FEAT_SESSION
static int makeopens __ARGS((FILE *fd, char_u *dirnow));
static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
static void ex_loadview __ARGS((exarg_T *eap));
static char_u *get_view_file __ARGS((int c));
static int did_lcd; /* whether ":lcd" was produced for a session */
#else
# define ex_loadview ex_ni
#endif
#ifndef FEAT_EVAL
# define ex_compiler ex_ni
#endif
#ifdef FEAT_VIMINFO
static void ex_viminfo __ARGS((exarg_T *eap));
#else
# define ex_viminfo ex_ni
#endif
static void ex_behave __ARGS((exarg_T *eap));
#ifdef FEAT_AUTOCMD
static void ex_filetype __ARGS((exarg_T *eap));
static void ex_setfiletype __ARGS((exarg_T *eap));
#else
# define ex_filetype ex_ni
# define ex_setfiletype ex_ni
#endif
#ifndef FEAT_DIFF
# define ex_diffoff ex_ni
# define ex_diffpatch ex_ni
# define ex_diffgetput ex_ni
# define ex_diffsplit ex_ni
# define ex_diffthis ex_ni
# define ex_diffupdate ex_ni
#endif
static void ex_digraphs __ARGS((exarg_T *eap));
static void ex_set __ARGS((exarg_T *eap));
#if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
# define ex_options ex_ni
#endif
#ifdef FEAT_SEARCH_EXTRA
static void ex_nohlsearch __ARGS((exarg_T *eap));
static void ex_match __ARGS((exarg_T *eap));
#else
# define ex_nohlsearch ex_ni
# define ex_match ex_ni
#endif
#ifdef FEAT_CRYPT
static void ex_X __ARGS((exarg_T *eap));
#else
# define ex_X ex_ni
#endif
#ifdef FEAT_FOLDING
static void ex_fold __ARGS((exarg_T *eap));
static void ex_foldopen __ARGS((exarg_T *eap));
static void ex_folddo __ARGS((exarg_T *eap));
#else
# define ex_fold ex_ni
# define ex_foldopen ex_ni
# define ex_folddo ex_ni
#endif
#if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
&& (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
# define ex_language ex_ni
#endif
#ifndef FEAT_SIGNS
# define ex_sign ex_ni
#endif
#ifndef FEAT_SUN_WORKSHOP
# define ex_wsverb ex_ni
#endif
#ifndef FEAT_NETBEANS_INTG
# define ex_nbkey ex_ni
#endif
#ifndef FEAT_EVAL
# define ex_debug ex_ni
# define ex_breakadd ex_ni
# define ex_debuggreedy ex_ni
# define ex_breakdel ex_ni
# define ex_breaklist ex_ni
#endif
#ifndef FEAT_CMDHIST
# define ex_history ex_ni
#endif
#ifndef FEAT_JUMPLIST
# define ex_jumps ex_ni
# define ex_changes ex_ni
#endif
#ifndef FEAT_PROFILE
# define ex_profile ex_ni
#endif
/*
* Declare cmdnames[].
*/
#define DO_DECLARE_EXCMD
#include "ex_cmds.h"
/*
* Table used to quickly search for a command, based on its first character.
*/
static cmdidx_T cmdidxs[27] =
{
CMD_append,
CMD_buffer,
CMD_change,
CMD_delete,
CMD_edit,
CMD_file,
CMD_global,
CMD_help,
CMD_insert,
CMD_join,
CMD_k,
CMD_list,
CMD_move,
CMD_next,
CMD_open,
CMD_print,
CMD_quit,
CMD_read,
CMD_substitute,
CMD_t,
CMD_undo,
CMD_vglobal,
CMD_write,
CMD_xit,
CMD_yank,
CMD_z,
CMD_bang
};
static char_u dollar_command[2] = {'$', 0};
#ifdef FEAT_EVAL
/* Struct for storing a line inside a while/for loop */
typedef struct
{
char_u *line; /* command line */
linenr_T lnum; /* sourcing_lnum of the line */
} wcmd_T;
/*
* Structure used to store info for line position in a while or for loop.
* This is required, because do_one_cmd() may invoke ex_function(), which
* reads more lines that may come from the while/for loop.
*/
struct loop_cookie
{
garray_T *lines_gap; /* growarray with line info */
int current_line; /* last read line from growarray */
int repeating; /* TRUE when looping a second time */
/* When "repeating" is FALSE use "getline" and "cookie" to get lines */
char_u *(*getline) __ARGS((int, void *, int));
void *cookie;
};
static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
static int store_loop_line __ARGS((garray_T *gap, char_u *line));
static void free_cmdlines __ARGS((garray_T *gap));
/* Struct to save a few things while debugging. Used in do_cmdline() only. */
struct dbg_stuff
{
int trylevel;
int force_abort;
except_T *caught_stack;
char_u *vv_exception;
char_u *vv_throwpoint;
int did_emsg;
int got_int;
int did_throw;
int need_rethrow;
int check_cstack;
except_T *current_exception;
};
static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
static void
save_dbg_stuff(dsp)
struct dbg_stuff *dsp;
{
dsp->trylevel = trylevel; trylevel = 0;
dsp->force_abort = force_abort; force_abort = FALSE;
dsp->caught_stack = caught_stack; caught_stack = NULL;
dsp->vv_exception = v_exception(NULL);
dsp->vv_throwpoint = v_throwpoint(NULL);
/* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
dsp->did_emsg = did_emsg; did_emsg = FALSE;
dsp->got_int = got_int; got_int = FALSE;
dsp->did_throw = did_throw; did_throw = FALSE;
dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
dsp->check_cstack = check_cstack; check_cstack = FALSE;
dsp->current_exception = current_exception; current_exception = NULL;
}
static void
restore_dbg_stuff(dsp)
struct dbg_stuff *dsp;
{
suppress_errthrow = FALSE;
trylevel = dsp->trylevel;
force_abort = dsp->force_abort;
caught_stack = dsp->caught_stack;
(void)v_exception(dsp->vv_exception);
(void)v_throwpoint(dsp->vv_throwpoint);
did_emsg = dsp->did_emsg;
got_int = dsp->got_int;
did_throw = dsp->did_throw;
need_rethrow = dsp->need_rethrow;
check_cstack = dsp->check_cstack;
current_exception = dsp->current_exception;
}
#endif
/*
* do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
* command is given.
*/
void
do_exmode(improved)
int improved; /* TRUE for "improved Ex" mode */
{
int save_msg_scroll;
int prev_msg_row;
linenr_T prev_line;
int changedtick;
if (improved)
exmode_active = EXMODE_VIM;
else
exmode_active = EXMODE_NORMAL;
State = NORMAL;
/* When using ":global /pat/ visual" and then "Q" we return to continue
* the :global command. */
if (global_busy)
return;
save_msg_scroll = msg_scroll;
++RedrawingDisabled; /* don't redisplay the window */
++no_wait_return; /* don't wait for return */
#ifdef FEAT_GUI
/* Ignore scrollbar and mouse events in Ex mode */
++hold_gui_events;
#endif
#ifdef FEAT_SNIFF
want_sniff_request = 0; /* No K_SNIFF wanted */
#endif
MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
while (exmode_active)
{
#ifdef FEAT_EX_EXTRA
/* Check for a ":normal" command and no more characters left. */
if (ex_normal_busy > 0 && typebuf.tb_len == 0)
{
exmode_active = FALSE;
break;
}
#endif
msg_scroll = TRUE;
need_wait_return = FALSE;
ex_pressedreturn = FALSE;
ex_no_reprint = FALSE;
changedtick = curbuf->b_changedtick;
prev_msg_row = msg_row;
prev_line = curwin->w_cursor.lnum;
#ifdef FEAT_SNIFF
ProcessSniffRequests();
#endif
if (improved)
{
cmdline_row = msg_row;
do_cmdline(NULL, getexline, NULL, 0);
}
else
do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
lines_left = Rows - 1;
if ((prev_line != curwin->w_cursor.lnum
|| changedtick != curbuf->b_changedtick) && !ex_no_reprint)
{
if (curbuf->b_ml.ml_flags & ML_EMPTY)
EMSG(_(e_emptybuf));
else
{
if (ex_pressedreturn)
{
/* go up one line, to overwrite the ":<CR>" line, so the
* output doesn't contain empty lines. */
msg_row = prev_msg_row;
if (prev_msg_row == Rows - 1)
msg_row--;
}
msg_col = 0;
print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
msg_clr_eos();
}
}
else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
{
if (curbuf->b_ml.ml_flags & ML_EMPTY)
EMSG(_(e_emptybuf));
else
EMSG(_("E501: At end-of-file"));
}
}
#ifdef FEAT_GUI
--hold_gui_events;
#endif
--RedrawingDisabled;
--no_wait_return;
update_screen(CLEAR);
need_wait_return = FALSE;
msg_scroll = save_msg_scroll;
}
/*
* Execute a simple command line. Used for translated commands like "*".
*/
int
do_cmdline_cmd(cmd)
char_u *cmd;
{
return do_cmdline(cmd, NULL, NULL,
DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
}
/*
* do_cmdline(): execute one Ex command line
*
* 1. Execute "cmdline" when it is not NULL.
* If "cmdline" is NULL, or more lines are needed, getline() is used.
* 2. Split up in parts separated with '|'.
*
* This function can be called recursively!
*
* flags:
* DOCMD_VERBOSE - The command will be included in the error message.
* DOCMD_NOWAIT - Don't call wait_return() and friends.
* DOCMD_REPEAT - Repeat execution until getline() returns NULL.
* DOCMD_KEYTYPED - Don't reset KeyTyped.
* DOCMD_EXCRESET - Reset the exception environment (used for debugging).
* DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
*
* return FAIL if cmdline could not be executed, OK otherwise
*/
int
do_cmdline(cmdline, getline, cookie, flags)
char_u *cmdline;
char_u *(*getline) __ARGS((int, void *, int));
void *cookie; /* argument for getline() */
int flags;
{
char_u *next_cmdline; /* next cmd to execute */
char_u *cmdline_copy = NULL; /* copy of cmd line */
int used_getline = FALSE; /* used "getline" to obtain command */
static int recursive = 0; /* recursive depth */
int msg_didout_before_start = 0;
int count = 0; /* line number count */
int did_inc = FALSE; /* incremented RedrawingDisabled */
int retval = OK;
#ifdef FEAT_EVAL
struct condstack cstack; /* conditional stack */
garray_T lines_ga; /* keep lines for ":while"/":for" */
int current_line = 0; /* active line in lines_ga */
char_u *fname = NULL; /* function or script name */
linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
struct dbg_stuff debug_saved; /* saved things for debug mode */
int initial_trylevel;
struct msglist **saved_msg_list = NULL;
struct msglist *private_msg_list;
/* "getline" and "cookie" passed to do_one_cmd() */
char_u *(*cmd_getline) __ARGS((int, void *, int));
void *cmd_cookie;
struct loop_cookie cmd_loop_cookie;
void *real_cookie;
int getline_is_func;
#else
# define cmd_getline getline
# define cmd_cookie cookie
#endif
static int call_depth = 0; /* recursiveness */
#ifdef FEAT_EVAL
/* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
* location for storing error messages to be converted to an exception.
* This ensures that the do_errthrow() call in do_one_cmd() does not
* combine the messages stored by an earlier invocation of do_one_cmd()
* with the command name of the later one. This would happen when
* BufWritePost autocommands are executed after a write error. */
saved_msg_list = msg_list;
msg_list = &private_msg_list;
private_msg_list = NULL;
#endif
/* It's possible to create an endless loop with ":execute", catch that
* here. The value of 200 allows nested function calls, ":source", etc. */
if (call_depth == 200)
{
EMSG(_("E169: Command too recursive"));
#ifdef FEAT_EVAL
/* When converting to an exception, we do not include the command name
* since this is not an error of the specific command. */
do_errthrow((struct condstack *)NULL, (char_u *)NULL);
msg_list = saved_msg_list;
#endif
return FAIL;
}
++call_depth;
#ifdef FEAT_EVAL
cstack.cs_idx = -1;
cstack.cs_looplevel = 0;
cstack.cs_trylevel = 0;
cstack.cs_emsg_silent_list = NULL;
cstack.cs_lflags = 0;
ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
real_cookie = getline_cookie(getline, cookie);
/* Inside a function use a higher nesting level. */
getline_is_func = getline_equal(getline, cookie, get_func_line);
if (getline_is_func && ex_nesting_level == func_level(real_cookie))
++ex_nesting_level;
/* Get the function or script name and the address where the next breakpoint
* line and the debug tick for a function or script are stored. */
if (getline_is_func)
{
fname = func_name(real_cookie);
breakpoint = func_breakpoint(real_cookie);
dbg_tick = func_dbg_tick(real_cookie);
}
else if (getline_equal(getline, cookie, getsourceline))
{
fname = sourcing_name;
breakpoint = source_breakpoint(real_cookie);
dbg_tick = source_dbg_tick(real_cookie);
}
/*
* Initialize "force_abort" and "suppress_errthrow" at the top level.
*/
if (!recursive)
{
force_abort = FALSE;
suppress_errthrow = FALSE;
}
/*
* If requested, store and reset the global values controlling the
* exception handling (used when debugging). Otherwise clear it to avoid
* a bogus compiler warning when the optimizer uses inline functions...
*/
if (flags & DOCMD_EXCRESET)
save_dbg_stuff(&debug_saved);
else
memset(&debug_saved, 0, 1);
initial_trylevel = trylevel;
/*
* "did_throw" will be set to TRUE when an exception is being thrown.
*/
did_throw = FALSE;
#endif
/*
* "did_emsg" will be set to TRUE when emsg() is used, in which case we
* cancel the whole command line, and any if/endif or loop.
* If force_abort is set, we cancel everything.
*/
did_emsg = FALSE;
/*
* KeyTyped is only set when calling vgetc(). Reset it here when not
* calling vgetc() (sourced command lines).
*/
if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
KeyTyped = FALSE;
/*
* Continue executing command lines:
* - when inside an ":if", ":while" or ":for"
* - for multiple commands on one line, separated with '|'
* - when repeating until there are no more lines (for ":source")
*/
next_cmdline = cmdline;
do
{
#ifdef FEAT_EVAL
getline_is_func = getline_equal(getline, cookie, get_func_line);
#endif
/* stop skipping cmds for an error msg after all endif/while/for */
if (next_cmdline == NULL
#ifdef FEAT_EVAL
&& !force_abort
&& cstack.cs_idx < 0
&& !(getline_is_func && func_has_abort(real_cookie))
#endif
)
did_emsg = FALSE;
/*
* 1. If repeating a line in a loop, get a line from lines_ga.
* 2. If no line given: Get an allocated line with getline().
* 3. If a line is given: Make a copy, so we can mess with it.
*/
#ifdef FEAT_EVAL
/* 1. If repeating, get a previous line from lines_ga. */
if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
{
/* Each '|' separated command is stored separately in lines_ga, to
* be able to jump to it. Don't use next_cmdline now. */
vim_free(cmdline_copy);
cmdline_copy = NULL;
/* Check if a function has returned or, unless it has an unclosed
* try conditional, aborted. */
if (getline_is_func)
{
# ifdef FEAT_PROFILE
if (do_profiling == PROF_YES)
func_line_end(real_cookie);
# endif
if (func_has_ended(real_cookie))
{
retval = FAIL;
break;
}
}
#ifdef FEAT_PROFILE
else if (do_profiling == PROF_YES
&& getline_equal(getline, cookie, getsourceline))
script_line_end();
#endif
/* Check if a sourced file hit a ":finish" command. */
if (source_finished(getline, cookie))
{
retval = FAIL;
break;
}
/* If breakpoints have been added/deleted need to check for it. */
if (breakpoint != NULL && dbg_tick != NULL
&& *dbg_tick != debug_tick)
{
*breakpoint = dbg_find_breakpoint(
getline_equal(getline, cookie, getsourceline),
fname, sourcing_lnum);
*dbg_tick = debug_tick;
}
next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
/* Did we encounter a breakpoint? */
if (breakpoint != NULL && *breakpoint != 0
&& *breakpoint <= sourcing_lnum)
{
dbg_breakpoint(fname, sourcing_lnum);
/* Find next breakpoint. */
*breakpoint = dbg_find_breakpoint(
getline_equal(getline, cookie, getsourceline),
fname, sourcing_lnum);
*dbg_tick = debug_tick;
}
# ifdef FEAT_PROFILE
if (do_profiling == PROF_YES)
{
if (getline_is_func)
func_line_start(real_cookie);
else if (getline_equal(getline, cookie, getsourceline))
script_line_start();
}
# endif
}
if (cstack.cs_looplevel > 0)
{
/* Inside a while/for loop we need to store the lines and use them
* again. Pass a different "getline" function to do_one_cmd()
* below, so that it stores lines in or reads them from
* "lines_ga". Makes it possible to define a function inside a
* while/for loop. */
cmd_getline = get_loop_line;
cmd_cookie = (void *)&cmd_loop_cookie;
cmd_loop_cookie.lines_gap = &lines_ga;
cmd_loop_cookie.current_line = current_line;
cmd_loop_cookie.getline = getline;
cmd_loop_cookie.cookie = cookie;
cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
}
else
{
cmd_getline = getline;
cmd_cookie = cookie;
}
#endif
/* 2. If no line given, get an allocated line with getline(). */
if (next_cmdline == NULL)
{
/*
* Need to set msg_didout for the first line after an ":if",
* otherwise the ":if" will be overwritten.
*/
if (count == 1 && getline_equal(getline, cookie, getexline))
msg_didout = TRUE;
if (getline == NULL || (next_cmdline = getline(':', cookie,
#ifdef FEAT_EVAL
cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
#else
0
#endif
)) == NULL)
{
/* Don't call wait_return for aborted command line. The NULL
* returned for the end of a sourced file or executed function
* doesn't do this. */
if (KeyTyped && !(flags & DOCMD_REPEAT))
need_wait_return = FALSE;
retval = FAIL;
break;
}
used_getline = TRUE;
/*
* Keep the first typed line. Clear it when more lines are typed.
*/
if (flags & DOCMD_KEEPLINE)
{
vim_free(repeat_cmdline);
if (count == 0)
repeat_cmdline = vim_strsave(next_cmdline);
else
repeat_cmdline = NULL;
}
}
/* 3. Make a copy of the command so we can mess with it. */
else if (cmdline_copy == NULL)
{
next_cmdline = vim_strsave(next_cmdline);
if (next_cmdline == NULL)
{
EMSG(_(e_outofmem));
retval = FAIL;
break;
}
}
cmdline_copy = next_cmdline;
#ifdef FEAT_EVAL
/*
* Save the current line when inside a ":while" or ":for", and when
* the command looks like a ":while" or ":for", because we may need it
* later. When there is a '|' and another command, it is stored
* separately, because we need to be able to jump back to it from an
* :endwhile/:endfor.
*/
if (current_line == lines_ga.ga_len
&& (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
{
if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
{
retval = FAIL;
break;
}
}
did_endif = FALSE;
#endif
if (count++ == 0)
{
/*
* All output from the commands is put below each other, without
* waiting for a return. Don't do this when executing commands
* from a script or when being called recursive (e.g. for ":e
* +command file").
*/
if (!(flags & DOCMD_NOWAIT) && !recursive)
{
msg_didout_before_start = msg_didout;
msg_didany = FALSE; /* no output yet */
msg_start();
msg_scroll = TRUE; /* put messages below each other */
++no_wait_return; /* dont wait for return until finished */
++RedrawingDisabled;
did_inc = TRUE;
}
}
if (p_verbose >= 15 && sourcing_name != NULL)
{
++no_wait_return;
verbose_enter_scroll();
smsg((char_u *)_("line %ld: %s"),
(long)sourcing_lnum, cmdline_copy);
if (msg_silent == 0)
msg_puts((char_u *)"\n"); /* don't overwrite this */
verbose_leave_scroll();
--no_wait_return;
}
/*
* 2. Execute one '|' separated command.
* do_one_cmd() will return NULL if there is no trailing '|'.
* "cmdline_copy" can change, e.g. for '%' and '#' expansion.
*/
++recursive;
next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
#ifdef FEAT_EVAL
&cstack,
#endif
cmd_getline, cmd_cookie);
--recursive;
#ifdef FEAT_EVAL
if (cmd_cookie == (void *)&cmd_loop_cookie)
/* Use "current_line" from "cmd_loop_cookie", it may have been
* incremented when defining a function. */
current_line = cmd_loop_cookie.current_line;
#endif
if (next_cmdline == NULL)
{
vim_free(cmdline_copy);
cmdline_copy = NULL;
#ifdef FEAT_CMDHIST
/*
* If the command was typed, remember it for the ':' register.
* Do this AFTER executing the command to make :@: work.
*/
if (getline_equal(getline, cookie, getexline)
&& new_last_cmdline != NULL)
{
vim_free(last_cmdline);
last_cmdline = new_last_cmdline;
new_last_cmdline = NULL;
}
#endif
}
else
{
/* need to copy the command after the '|' to cmdline_copy, for the
* next do_one_cmd() */
STRMOVE(cmdline_copy, next_cmdline);
next_cmdline = cmdline_copy;
}
#ifdef FEAT_EVAL
/* reset did_emsg for a function that is not aborted by an error */
if (did_emsg && !force_abort
&& getline_equal(getline, cookie, get_func_line)
&& !func_has_abort(real_cookie))
did_emsg = FALSE;
if (cstack.cs_looplevel > 0)
{
++current_line;
/*
* An ":endwhile", ":endfor" and ":continue" is handled here.
* If we were executing commands, jump back to the ":while" or
* ":for".
* If we were not executing commands, decrement cs_looplevel.
*/
if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
{
cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
/* Jump back to the matching ":while" or ":for". Be careful
* not to use a cs_line[] from an entry that isn't a ":while"
* or ":for": It would make "current_line" invalid and can
* cause a crash. */
if (!did_emsg && !got_int && !did_throw
&& cstack.cs_idx >= 0
&& (cstack.cs_flags[cstack.cs_idx]
& (CSF_WHILE | CSF_FOR))
&& cstack.cs_line[cstack.cs_idx] >= 0
&& (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
{
current_line = cstack.cs_line[cstack.cs_idx];
/* remember we jumped there */
cstack.cs_lflags |= CSL_HAD_LOOP;
line_breakcheck(); /* check if CTRL-C typed */
/* Check for the next breakpoint at or after the ":while"
* or ":for". */
if (breakpoint != NULL)
{
*breakpoint = dbg_find_breakpoint(
getline_equal(getline, cookie, getsourceline),
fname,
((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
*dbg_tick = debug_tick;
}
}
else
{
/* can only get here with ":endwhile" or ":endfor" */
if (cstack.cs_idx >= 0)
rewind_conditionals(&cstack, cstack.cs_idx - 1,
CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
}
}
/*
* For a ":while" or ":for" we need to remember the line number.
*/
else if (cstack.cs_lflags & CSL_HAD_LOOP)
{
cstack.cs_lflags &= ~CSL_HAD_LOOP;
cstack.cs_line[cstack.cs_idx] = current_line - 1;
}
}
/*
* When not inside any ":while" loop, clear remembered lines.
*/
if (cstack.cs_looplevel == 0)
{
if (lines_ga.ga_len > 0)
{
sourcing_lnum =
((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
free_cmdlines(&lines_ga);
}
current_line = 0;
}
/*
* A ":finally" makes did_emsg, got_int, and did_throw pending for
* being restored at the ":endtry". Reset them here and set the
* ACTIVE and FINALLY flags, so that the finally clause gets executed.
* This includes the case where a missing ":endif", ":endwhile" or
* ":endfor" was detected by the ":finally" itself.
*/
if (cstack.cs_lflags & CSL_HAD_FINA)
{
cstack.cs_lflags &= ~CSL_HAD_FINA;
report_make_pending(cstack.cs_pending[cstack.cs_idx]
& (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
did_throw ? (void *)current_exception : NULL);
did_emsg = got_int = did_throw = FALSE;
cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
}
/* Update global "trylevel" for recursive calls to do_cmdline() from
* within this loop. */
trylevel = initial_trylevel + cstack.cs_trylevel;
/*
* If the outermost try conditional (across function calls and sourced
* files) is aborted because of an error, an interrupt, or an uncaught
* exception, cancel everything. If it is left normally, reset
* force_abort to get the non-EH compatible abortion behavior for
* the rest of the script.
*/
if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
force_abort = FALSE;
/* Convert an interrupt to an exception if appropriate. */
(void)do_intthrow(&cstack);
#endif /* FEAT_EVAL */
}
/*
* Continue executing command lines when:
* - no CTRL-C typed, no aborting error, no exception thrown or try
* conditionals need to be checked for executing finally clauses or
* catching an interrupt exception
* - didn't get an error message or lines are not typed
* - there is a command after '|', inside a :if, :while, :for or :try, or
* looping for ":source" command or function call.
*/
while (!((got_int
#ifdef FEAT_EVAL
|| (did_emsg && force_abort) || did_throw
#endif
)
#ifdef FEAT_EVAL
&& cstack.cs_trylevel == 0
#endif
)
&& !(did_emsg && used_getline
&& (getline_equal(getline, cookie, getexmodeline)
|| getline_equal(getline, cookie, getexline)))
&& (next_cmdline != NULL
#ifdef FEAT_EVAL
|| cstack.cs_idx >= 0
#endif
|| (flags & DOCMD_REPEAT)));
vim_free(cmdline_copy);
#ifdef FEAT_EVAL
free_cmdlines(&lines_ga);
ga_clear(&lines_ga);
if (cstack.cs_idx >= 0)
{
/*
* If a sourced file or executed function ran to its end, report the
* unclosed conditional.
*/
if (!got_int && !did_throw
&& ((getline_equal(getline, cookie, getsourceline)
&& !source_finished(getline, cookie))
|| (getline_equal(getline, cookie, get_func_line)
&& !func_has_ended(real_cookie))))
{
if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
EMSG(_(e_endtry));
else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
EMSG(_(e_endwhile));
else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
EMSG(_(e_endfor));
else
EMSG(_(e_endif));
}
/*
* Reset "trylevel" in case of a ":finish" or ":return" or a missing
* ":endtry" in a sourced file or executed function. If the try
* conditional is in its finally clause, ignore anything pending.
* If it is in a catch clause, finish the caught exception.
* Also cleanup any "cs_forinfo" structures.
*/
do
{
int idx = cleanup_conditionals(&cstack, 0, TRUE);
if (idx >= 0)
--idx; /* remove try block not in its finally clause */
rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
&cstack.cs_looplevel);
}
while (cstack.cs_idx >= 0);
trylevel = initial_trylevel;
}
/* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
* lack was reported above and the error message is to be converted to an
* exception, do this now after rewinding the cstack. */
do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
? (char_u *)"endfunction" : (char_u *)NULL);
if (trylevel == 0)
{
/*
* When an exception is being thrown out of the outermost try
* conditional, discard the uncaught exception, disable the conversion
* of interrupts or errors to exceptions, and ensure that no more
* commands are executed.
*/
if (did_throw)
{
void *p = NULL;
char_u *saved_sourcing_name;
int saved_sourcing_lnum;
struct msglist *messages = NULL, *next;
/*
* If the uncaught exception is a user exception, report it as an
* error. If it is an error exception, display the saved error
* message now. For an interrupt exception, do nothing; the
* interrupt message is given elsewhere.
*/
switch (current_exception->type)
{
case ET_USER:
vim_snprintf((char *)IObuff, IOSIZE,
_("E605: Exception not caught: %s"),
current_exception->value);
p = vim_strsave(IObuff);
break;
case ET_ERROR:
messages = current_exception->messages;
current_exception->messages = NULL;
break;
case ET_INTERRUPT:
break;
default:
p = vim_strsave((char_u *)_(e_internal));
}
saved_sourcing_name = sourcing_name;
saved_sourcing_lnum = sourcing_lnum;
sourcing_name = current_exception->throw_name;
sourcing_lnum = current_exception->throw_lnum;
current_exception->throw_name = NULL;
discard_current_exception(); /* uses IObuff if 'verbose' */
suppress_errthrow = TRUE;
force_abort = TRUE;
if (messages != NULL)
{
do
{
next = messages->next;
emsg(messages->msg);
vim_free(messages->msg);
vim_free(messages);
messages = next;
}
while (messages != NULL);
}
else if (p != NULL)
{
emsg(p);
vim_free(p);
}
vim_free(sourcing_name);
sourcing_name = saved_sourcing_name;
sourcing_lnum = saved_sourcing_lnum;
}
/*
* On an interrupt or an aborting error not converted to an exception,
* disable the conversion of errors to exceptions. (Interrupts are not
* converted any more, here.) This enables also the interrupt message
* when force_abort is set and did_emsg unset in case of an interrupt
* from a finally clause after an error.
*/
else if (got_int || (did_emsg && force_abort))
suppress_errthrow = TRUE;
}
/*
* The current cstack will be freed when do_cmdline() returns. An uncaught
* exception will have to be rethrown in the previous cstack. If a function
* has just returned or a script file was just finished and the previous
* cstack belongs to the same function or, respectively, script file, it
* will have to be checked for finally clauses to be executed due to the
* ":return" or ":finish". This is done in do_one_cmd().
*/
if (did_throw)
need_rethrow = TRUE;
if ((getline_equal(getline, cookie, getsourceline)
&& ex_nesting_level > source_level(real_cookie))
|| (getline_equal(getline, cookie, get_func_line)
&& ex_nesting_level > func_level(real_cookie) + 1))
{
if (!did_throw)
check_cstack = TRUE;
}
else
{
/* When leaving a function, reduce nesting level. */
if (getline_equal(getline, cookie, get_func_line))
--ex_nesting_level;
/*
* Go to debug mode when returning from a function in which we are
* single-stepping.
*/
if ((getline_equal(getline, cookie, getsourceline)
|| getline_equal(getline, cookie, get_func_line))
&& ex_nesting_level + 1 <= debug_break_level)
do_debug(getline_equal(getline, cookie, getsourceline)
? (char_u *)_("End of sourced file")
: (char_u *)_("End of function"));
}
/*
* Restore the exception environment (done after returning from the
* debugger).
*/
if (flags & DOCMD_EXCRESET)
restore_dbg_stuff(&debug_saved);
msg_list = saved_msg_list;
#endif /* FEAT_EVAL */
/*
* If there was too much output to fit on the command line, ask the user to
* hit return before redrawing the screen. With the ":global" command we do
* this only once after the command is finished.
*/
if (did_inc)
{
--RedrawingDisabled;
--no_wait_return;
msg_scroll = FALSE;
/*
* When just finished an ":if"-":else" which was typed, no need to
* wait for hit-return. Also for an error situation.
*/
if (retval == FAIL
#ifdef FEAT_EVAL
|| (did_endif && KeyTyped && !did_emsg)
#endif
)
{
need_wait_return = FALSE;
msg_didany = FALSE; /* don't wait when restarting edit */
}
else if (need_wait_return)
{
/*
* The msg_start() above clears msg_didout. The wait_return we do
* here should not overwrite the command that may be shown before
* doing that.
*/
msg_didout |= msg_didout_before_start;
wait_return(FALSE);
}
}
#ifndef FEAT_EVAL
/*
* Reset if_level, in case a sourced script file contains more ":if" than
* ":endif" (could be ":if x | foo | endif").
*/
if_level = 0;
#endif
--call_depth;
return retval;
}
#ifdef FEAT_EVAL
/*
* Obtain a line when inside a ":while" or ":for" loop.
*/
static char_u *
get_loop_line(c, cookie, indent)
int c;
void *cookie;
int indent;
{
struct loop_cookie *cp = (struct loop_cookie *)cookie;
wcmd_T *wp;
char_u *line;
if (cp->current_line + 1 >= cp->lines_gap->ga_len)
{
if (cp->repeating)
return NULL; /* trying to read past ":endwhile"/":endfor" */
/* First time inside the ":while"/":for": get line normally. */
if (cp->getline == NULL)
line = getcmdline(c, 0L, indent);
else
line = cp->getline(c, cp->cookie, indent);
if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
++cp->current_line;
return line;
}
KeyTyped = FALSE;
++cp->current_line;
wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
sourcing_lnum = wp->lnum;
return vim_strsave(wp->line);
}
/*
* Store a line in "gap" so that a ":while" loop can execute it again.
*/
static int
store_loop_line(gap, line)
garray_T *gap;
char_u *line;
{
if (ga_grow(gap, 1) == FAIL)
return FAIL;
((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
++gap->ga_len;
return OK;
}
/*
* Free the lines stored for a ":while" or ":for" loop.
*/
static void
free_cmdlines(gap)
garray_T *gap;
{
while (gap->ga_len > 0)
{
vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
--gap->ga_len;
}
}
#endif
/*
* If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
* "func". * Otherwise return TRUE when "fgetline" equals "func".
*/
/*ARGSUSED*/
int
getline_equal(fgetline, cookie, func)
char_u *(*fgetline) __ARGS((int, void *, int));
void *cookie; /* argument for fgetline() */
char_u *(*func) __ARGS((int, void *, int));
{
#ifdef FEAT_EVAL
char_u *(*gp) __ARGS((int, void *, int));
struct loop_cookie *cp;
/* When "fgetline" is "get_loop_line()" use the "cookie" to find the
* function that's originally used to obtain the lines. This may be
* nested several levels. */
gp = fgetline;
cp = (struct loop_cookie *)cookie;
while (gp == get_loop_line)
{
gp = cp->getline;
cp = cp->cookie;
}
return gp == func;
#else
return fgetline == func;
#endif
}
#if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
/*
* If "fgetline" is get_loop_line(), return the cookie used by the original
* getline function. Otherwise return "cookie".
*/
/*ARGSUSED*/
void *
getline_cookie(fgetline, cookie)
char_u *(*fgetline) __ARGS((int, void *, int));
void *cookie; /* argument for fgetline() */
{
# ifdef FEAT_EVAL
char_u *(*gp) __ARGS((int, void *, int));
struct loop_cookie *cp;
/* When "fgetline" is "get_loop_line()" use the "cookie" to find the
* cookie that's originally used to obtain the lines. This may be nested
* several levels. */
gp = fgetline;
cp = (struct loop_cookie *)cookie;
while (gp == get_loop_line)
{
gp = cp->getline;
cp = cp->cookie;
}
return cp;
# else
return cookie;
# endif
}
#endif
/*
* Execute one Ex command.
*
* If 'sourcing' is TRUE, the command will be included in the error message.
*
* 1. skip comment lines and leading space
* 2. handle command modifiers
* 3. parse range
* 4. parse command
* 5. parse arguments
* 6. switch on command name
*
* Note: "fgetline" can be NULL.
*
* This function may be called recursively!
*/
#if (_MSC_VER == 1200)
/*
* Avoid optimisation bug in VC++ version 6.0
*/
#pragma optimize( "g", off )
#endif
static char_u *
do_one_cmd(cmdlinep, sourcing,
#ifdef FEAT_EVAL
cstack,
#endif
fgetline, cookie)
char_u **cmdlinep;
int sourcing;
#ifdef FEAT_EVAL
struct condstack *cstack;
#endif
char_u *(*fgetline) __ARGS((int, void *, int));
void *cookie; /* argument for fgetline() */
{
char_u *p;
linenr_T lnum;
long n;
char_u *errormsg = NULL; /* error message */
exarg_T ea; /* Ex command arguments */
long verbose_save = -1;
int save_msg_scroll = 0;
int did_silent = 0;
int did_esilent = 0;
#ifdef HAVE_SANDBOX
int did_sandbox = FALSE;
#endif
cmdmod_T save_cmdmod;
int ni; /* set when Not Implemented */
vim_memset(&ea, 0, sizeof(ea));
ea.line1 = 1;
ea.line2 = 1;
#ifdef FEAT_EVAL
++ex_nesting_level;
#endif
/* when not editing the last file :q has to be typed twice */
if (quitmore
#ifdef FEAT_EVAL
/* avoid that a function call in 'statusline' does this */
&& !getline_equal(fgetline, cookie, get_func_line)
#endif
)
--quitmore;
/*
* Reset browse, confirm, etc.. They are restored when returning, for
* recursive calls.
*/
save_cmdmod = cmdmod;
vim_memset(&cmdmod, 0, sizeof(cmdmod));
/* "#!anything" is handled like a comment. */
if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
goto doend;
/*
* Repeat until no more command modifiers are found.
*/
ea.cmd = *cmdlinep;
for (;;)
{
/*
* 1. skip comment lines and leading white space and colons
*/
while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
++ea.cmd;
/* in ex mode, an empty line works like :+ */
if (*ea.cmd == NUL && exmode_active
&& (getline_equal(fgetline, cookie, getexmodeline)
|| getline_equal(fgetline, cookie, getexline))
&& curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
{
ea.cmd = (char_u *)"+";
ex_pressedreturn = TRUE;
}
/* ignore comment and empty lines */
if (*ea.cmd == '"')
goto doend;
if (*ea.cmd == NUL)
{
ex_pressedreturn = TRUE;
goto doend;
}
/*
* 2. handle command modifiers.
*/
p = ea.cmd;
if (VIM_ISDIGIT(*ea.cmd))
p = skipwhite(skipdigits(ea.cmd));
switch (*p)
{
/* When adding an entry, also modify cmd_exists(). */
case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
break;
#ifdef FEAT_WINDOWS
cmdmod.split |= WSP_ABOVE;
#endif
continue;
case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
{
#ifdef FEAT_WINDOWS
cmdmod.split |= WSP_BELOW;
#endif
continue;
}
if (checkforcmd(&ea.cmd, "browse", 3))
{
#ifdef FEAT_BROWSE_CMD
cmdmod.browse = TRUE;
#endif
continue;
}
if (!checkforcmd(&ea.cmd, "botright", 2))
break;
#ifdef FEAT_WINDOWS
cmdmod.split |= WSP_BOT;
#endif
continue;
case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
break;
#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
cmdmod.confirm = TRUE;
#endif
continue;
case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
{
cmdmod.keepmarks = TRUE;
continue;
}
if (checkforcmd(&ea.cmd, "keepalt", 5))
{
cmdmod.keepalt = TRUE;
continue;
}
if (!checkforcmd(&ea.cmd, "keepjumps", 5))
break;
cmdmod.keepjumps = TRUE;
continue;
/* ":hide" and ":hide | cmd" are not modifiers */
case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
|| *p == NUL || ends_excmd(*p))
break;
ea.cmd = p;
cmdmod.hide = TRUE;
continue;
case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
{
cmdmod.lockmarks = TRUE;
continue;
}
if (!checkforcmd(&ea.cmd, "leftabove", 5))
break;
#ifdef FEAT_WINDOWS
cmdmod.split |= WSP_ABOVE;
#endif
continue;
case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
break;
#ifdef FEAT_AUTOCMD
if (cmdmod.save_ei == NULL)
{
/* Set 'eventignore' to "all". Restore the
* existing option value later. */
cmdmod.save_ei = vim_strsave(p_ei);
set_string_option_direct((char_u *)"ei", -1,
(char_u *)"all", OPT_FREE, SID_NONE);
}
#endif
continue;
case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
break;
#ifdef FEAT_WINDOWS
cmdmod.split |= WSP_BELOW;
#endif
continue;
case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
{
#ifdef HAVE_SANDBOX
if (!did_sandbox)
++sandbox;
did_sandbox = TRUE;
#endif
continue;
}
if (!checkforcmd(&ea.cmd, "silent", 3))
break;
++did_silent;
++msg_silent;
save_msg_scroll = msg_scroll;
if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
{
/* ":silent!", but not "silent !cmd" */
ea.cmd = skipwhite(ea.cmd + 1);
++emsg_silent;
++did_esilent;
}
continue;
case 't': if (checkforcmd(&p, "tab", 3))
{
#ifdef FEAT_WINDOWS
if (vim_isdigit(*ea.cmd))
cmdmod.tab = atoi((char *)ea.cmd) + 1;
else
cmdmod.tab = tabpage_index(curtab) + 1;
ea.cmd = p;
#endif
continue;
}
if (!checkforcmd(&ea.cmd, "topleft", 2))
break;
#ifdef FEAT_WINDOWS
cmdmod.split |= WSP_TOP;
#endif
continue;
case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
{
#ifdef FEAT_VERTSPLIT
cmdmod.split |= WSP_VERT;
#endif
continue;
}
if (!checkforcmd(&p, "verbose", 4))
break;
if (verbose_save < 0)
verbose_save = p_verbose;
if (vim_isdigit(*ea.cmd))
p_verbose = atoi((char *)ea.cmd);
else
p_verbose = 1;
ea.cmd = p;
continue;
}
break;
}
#ifdef FEAT_EVAL
ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
&& !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
#else
ea.skip = (if_level > 0);
#endif
#ifdef FEAT_EVAL
# ifdef FEAT_PROFILE
/* Count this line for profiling if ea.skip is FALSE. */
if (do_profiling == PROF_YES && !ea.skip)
{
if (getline_equal(fgetline, cookie, get_func_line))
func_line_exec(getline_cookie(fgetline, cookie));
else if (getline_equal(fgetline, cookie, getsourceline))
script_line_exec();
}
#endif
/* May go to debug mode. If this happens and the ">quit" debug command is
* used, throw an interrupt exception and skip the next command. */
dbg_check_breakpoint(&ea);
if (!ea.skip && got_int)
{
ea.skip = TRUE;
(void)do_intthrow(cstack);
}
#endif
/*
* 3. parse a range specifier of the form: addr [,addr] [;addr] ..
*
* where 'addr' is:
*
* % (entire file)
* $ [+-NUM]
* 'x [+-NUM] (where x denotes a currently defined mark)
* . [+-NUM]
* [+-NUM]..
* NUM
*
* The ea.cmd pointer is updated to point to the first character following the
* range spec. If an initial address is found, but no second, the upper bound
* is equal to the lower.
*/
/* repeat for all ',' or ';' separated addresses */
for (;;)
{
ea.line1 = ea.line2;
ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
ea.cmd = skipwhite(ea.cmd);
lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
if (ea.cmd == NULL) /* error detected */
goto doend;
if (lnum == MAXLNUM)
{
if (*ea.cmd == '%') /* '%' - all lines */
{
++ea.cmd;
ea.line1 = 1;
ea.line2 = curbuf->b_ml.ml_line_count;
++ea.addr_count;
}
/* '*' - visual area */
else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
{
pos_T *fp;
++ea.cmd;
if (!ea.skip)
{
fp = getmark('<', FALSE);
if (check_mark(fp) == FAIL)
goto doend;
ea.line1 = fp->lnum;
fp = getmark('>', FALSE);
if (check_mark(fp) == FAIL)
goto doend;
ea.line2 = fp->lnum;
++ea.addr_count;
}
}
}
else
ea.line2 = lnum;
ea.addr_count++;
if (*ea.cmd == ';')
{
if (!ea.skip)
curwin->w_cursor.lnum = ea.line2;
}
else if (*ea.cmd != ',')
break;
++ea.cmd;
}
/* One address given: set start and end lines */
if (ea.addr_count == 1)
{
ea.line1 = ea.line2;
/* ... but only implicit: really no address given */
if (lnum == MAXLNUM)
ea.addr_count = 0;
}
/* Don't leave the cursor on an illegal line (caused by ';') */
check_cursor_lnum();
/*
* 4. parse command
*/
/*
* Skip ':' and any white space
*/
ea.cmd = skipwhite(ea.cmd);
while (*ea.cmd == ':')
ea.cmd = skipwhite(ea.cmd + 1);
/*
* If we got a line, but no command, then go to the line.
* If we find a '|' or '\n' we set ea.nextcmd.
*/
if (*ea.cmd == NUL || *ea.cmd == '"' ||
(ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
{
/*
* strange vi behaviour:
* ":3" jumps to line 3
* ":3|..." prints line 3
* ":|" prints current line
*/
if (ea.skip) /* skip this if inside :if */
goto doend;
if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
{
ea.cmdidx = CMD_print;
ea.argt = RANGE+COUNT+TRLBAR;
if ((errormsg = invalid_range(&ea)) == NULL)
{
correct_range(&ea);
ex_print(&ea);
}
}
else if (ea.addr_count != 0)
{
if (ea.line2 > curbuf->b_ml.ml_line_count)
{
/* With '-' in 'cpoptions' a line number past the file is an
* error, otherwise put it at the end of the file. */
if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
ea.line2 = -1;
else
ea.line2 = curbuf->b_ml.ml_line_count;
}
if (ea.line2 < 0)
errormsg = (char_u *)_(e_invrange);
else
{
if (ea.line2 == 0)
curwin->w_cursor.lnum = 1;
else
curwin->w_cursor.lnum = ea.line2;
beginline(BL_SOL | BL_FIX);
}
}
goto doend;
}
/* Find the command and let "p" point to after it. */
p = find_command(&ea, NULL);
#ifdef FEAT_USR_CMDS
if (p == NULL)
{
if (!ea.skip)
errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
goto doend;
}
/* Check for wrong commands. */
if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
{
errormsg = uc_fun_cmd();
goto doend;
}
#endif
if (ea.cmdidx == CMD_SIZE)
{
if (!ea.skip)
{
STRCPY(IObuff, _("E492: Not an editor command"));
if (!sourcing)
{
STRCAT(IObuff, ": ");
STRNCAT(IObuff, *cmdlinep, 40);
}
errormsg = IObuff;
}
goto doend;
}
ni = (
#ifdef FEAT_USR_CMDS
!USER_CMDIDX(ea.cmdidx) &&
#endif
(cmdnames[ea.cmdidx].cmd_func == ex_ni
#ifdef HAVE_EX_SCRIPT_NI
|| cmdnames[ea.cmdidx].cmd_func == ex_script_ni
#endif
));
#ifndef FEAT_EVAL
/*
* When the expression evaluation is disabled, recognize the ":if" and
* ":endif" commands and ignore everything in between it.
*/
if (ea.cmdidx == CMD_if)
++if_level;
if (if_level)
{
if (ea.cmdidx == CMD_endif)
--if_level;
goto doend;
}
#endif
/* forced commands */
if (*p == '!' && ea.cmdidx != CMD_substitute
&& ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
{
++p;
ea.forceit = TRUE;
}
else
ea.forceit = FALSE;
/*
* 5. parse arguments
*/
#ifdef FEAT_USR_CMDS
if (!USER_CMDIDX(ea.cmdidx))
#endif
ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
if (!ea.skip)
{
#ifdef HAVE_SANDBOX
if (sandbox != 0 && !(ea.argt & SBOXOK))
{
/* Command not allowed in sandbox. */
errormsg = (char_u *)_(e_sandbox);
goto doend;
}
#endif
if (!curbuf->b_p_ma && (ea.argt & MODIFY))
{
/* Command not allowed in non-'modifiable' buffer */
errormsg = (char_u *)_(e_modifiable);
goto doend;
}
if (text_locked() && !(ea.argt & CMDWIN)
# ifdef FEAT_USR_CMDS
&& !USER_CMDIDX(ea.cmdidx)
# endif
)
{
/* Command not allowed when editing the command line. */
#ifdef FEAT_CMDWIN
if (cmdwin_type != 0)
errormsg = (char_u *)_(e_cmdwin);
else
#endif
errormsg = (char_u *)_(e_secure);
goto doend;
}
#ifdef FEAT_AUTOCMD
/* Disallow editing another buffer when "curbuf_lock" is set.
* Do allow ":edit" (check for argument later).
* Do allow ":checktime" (it's postponed). */
if (!(ea.argt & CMDWIN)
&& ea.cmdidx != CMD_edit
&& ea.cmdidx != CMD_checktime
# ifdef FEAT_USR_CMDS
&& !USER_CMDIDX(ea.cmdidx)
# endif
&& curbuf_locked())
goto doend;
#endif
if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
{
/* no range allowed */
errormsg = (char_u *)_(e_norange);
goto doend;
}
}
if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
{
errormsg = (char_u *)_(e_nobang);
goto doend;
}
/*
* Don't complain about the range if it is not used
* (could happen if line_count is accidentally set to 0).
*/
if (!ea.skip && !ni)
{
/*
* If the range is backwards, ask for confirmation and, if given, swap
* ea.line1 & ea.line2 so it's forwards again.
* When global command is busy, don't ask, will fail below.
*/
if (!global_busy && ea.line1 > ea.line2)
{
if (msg_silent == 0)
{
if (sourcing || exmode_active)
{
errormsg = (char_u *)_("E493: Backwards range given");
goto doend;
}
if (ask_yesno((char_u *)
_("Backwards range given, OK to swap"), FALSE) != 'y')
goto doend;
}
lnum = ea.line1;
ea.line1 = ea.line2;
ea.line2 = lnum;
}
if ((errormsg = invalid_range(&ea)) != NULL)
goto doend;
}
if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
ea.line2 = 1;
correct_range(&ea);
#ifdef FEAT_FOLDING
if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
{
/* Put the first line at the start of a closed fold, put the last line
* at the end of a closed fold. */
(void)hasFolding(ea.line1, &ea.line1, NULL);
(void)hasFolding(ea.line2, NULL, &ea.line2);
}
#endif
#ifdef FEAT_QUICKFIX
/*
* For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
* option here, so things like % get expanded.
*/
p = replace_makeprg(&ea, p, cmdlinep);
if (p == NULL)
goto doend;
#endif
/*
* Skip to start of argument.
* Don't do this for the ":!" command, because ":!! -l" needs the space.
*/
if (ea.cmdidx == CMD_bang)
ea.arg = p;
else
ea.arg = skipwhite(p);
/*
* Check for "++opt=val" argument.
* Must be first, allow ":w ++enc=utf8 !cmd"
*/
if (ea.argt & ARGOPT)
while (ea.arg[0] == '+' && ea.arg[1] == '+')
if (getargopt(&ea) == FAIL && !ni)
{
errormsg = (char_u *)_(e_invarg);
goto doend;
}
if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
{
if (*ea.arg == '>') /* append */
{
if (*++ea.arg != '>') /* typed wrong */
{
errormsg = (char_u *)_("E494: Use w or w>>");
goto doend;
}
ea.arg = skipwhite(ea.arg + 1);
ea.append = TRUE;
}
else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
{
++ea.arg;
ea.usefilter = TRUE;
}
}
if (ea.cmdidx == CMD_read)
{
if (ea.forceit)
{
ea.usefilter = TRUE; /* :r! filter if ea.forceit */
ea.forceit = FALSE;
}
else if (*ea.arg == '!') /* :r !filter */
{
++ea.arg;
ea.usefilter = TRUE;
}
}
if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
{
ea.amount = 1;
while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
{
++ea.arg;
++ea.amount;
}
ea.arg = skipwhite(ea.arg);
}
/*
* Check for "+command" argument, before checking for next command.
* Don't do this for ":read !cmd" and ":write !cmd".
*/
if ((ea.argt & EDITCMD) && !ea.usefilter)
ea.do_ecmd_cmd = getargcmd(&ea.arg);
/*
* Check for '|' to separate commands and '"' to start comments.
* Don't do this for ":read !cmd" and ":write !cmd".
*/
if ((ea.argt & TRLBAR) && !ea.usefilter)
separate_nextcmd(&ea);
/*
* Check for <newline> to end a shell command.
* Also do this for ":read !cmd", ":write !cmd" and ":global".
* Any others?
*/
else if (ea.cmdidx == CMD_bang
|| ea.cmdidx == CMD_global
|| ea.cmdidx == CMD_vglobal
|| ea.usefilter)
{
for (p = ea.arg; *p; ++p)
{
/* Remove one backslash before a newline, so that it's possible to
* pass a newline to the shell and also a newline that is preceded
* with a backslash. This makes it impossible to end a shell
* command in a backslash, but that doesn't appear useful.
* Halving the number of backslashes is incompatible with previous
* versions. */
if (*p == '\\' && p[1] == '\n')
STRMOVE(p, p + 1);
else if (*p == '\n')
{
ea.nextcmd = p + 1;
*p = NUL;
break;
}
}
}
if ((ea.argt & DFLALL) && ea.addr_count == 0)
{
ea.line1 = 1;
ea.line2 = curbuf->b_ml.ml_line_count;
}
/* accept numbered register only when no count allowed (:put) */
if ( (ea.argt & REGSTR)
&& *ea.arg != NUL
#ifdef FEAT_USR_CMDS
&& valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
&& USER_CMDIDX(ea.cmdidx)))
/* Do not allow register = for user commands */
&& (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
#else
&& valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
#endif
&& !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
{
ea.regname = *ea.arg++;
#ifdef FEAT_EVAL
/* for '=' register: accept the rest of the line as an expression */
if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
{
set_expr_line(vim_strsave(ea.arg));
ea.arg += STRLEN(ea.arg);
}
#endif
ea.arg = skipwhite(ea.arg);
}
/*
* Check for a count. When accepting a BUFNAME, don't use "123foo" as a
* count, it's a buffer name.
*/
if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
&& (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
|| vim_iswhite(*p)))
{
n = getdigits(&ea.arg);
ea.arg = skipwhite(ea.arg);
if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
{
errormsg = (char_u *)_(e_zerocount);
goto doend;
}
if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
{
ea.line2 = n;
if (ea.addr_count == 0)
ea.addr_count = 1;
}
else
{
ea.line1 = ea.line2;
ea.line2 += n - 1;
++ea.addr_count;
/*
* Be vi compatible: no error message for out of range.
*/
if (ea.line2 > curbuf->b_ml.ml_line_count)
ea.line2 = curbuf->b_ml.ml_line_count;
}
}
/*
* Check for flags: 'l', 'p' and '#'.
*/
if (ea.argt & EXFLAGS)
get_flags(&ea);
/* no arguments allowed */
if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
&& *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
{
errormsg = (char_u *)_(e_trailing);
goto doend;
}
if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
{
errormsg = (char_u *)_(e_argreq);
goto doend;
}
#ifdef FEAT_EVAL
/*
* Skip the command when it's not going to be executed.
* The commands like :if, :endif, etc. always need to be executed.
* Also make an exception for commands that handle a trailing command
* themselves.
*/
if (ea.skip)
{
switch (ea.cmdidx)
{
/* commands that need evaluation */
case CMD_while:
case CMD_endwhile:
case CMD_for:
case CMD_endfor:
case CMD_if:
case CMD_elseif:
case CMD_else:
case CMD_endif:
case CMD_try:
case CMD_catch:
case CMD_finally:
case CMD_endtry:
case CMD_function:
break;
/* Commands that handle '|' themselves. Check: A command should
* either have the TRLBAR flag, appear in this list or appear in
* the list at ":help :bar". */
case CMD_aboveleft:
case CMD_and:
case CMD_belowright:
case CMD_botright:
case CMD_browse:
case CMD_call:
case CMD_confirm:
case CMD_delfunction:
case CMD_djump:
case CMD_dlist:
case CMD_dsearch:
case CMD_dsplit:
case CMD_echo:
case CMD_echoerr:
case CMD_echomsg:
case CMD_echon:
case CMD_execute:
case CMD_help:
case CMD_hide:
case CMD_ijump:
case CMD_ilist:
case CMD_isearch:
case CMD_isplit:
case CMD_keepalt:
case CMD_keepjumps:
case CMD_keepmarks:
case CMD_leftabove:
case CMD_let:
case CMD_lockmarks:
case CMD_match:
case CMD_mzscheme:
case CMD_perl:
case CMD_psearch:
case CMD_python:
case CMD_return:
case CMD_rightbelow:
case CMD_ruby:
case CMD_silent:
case CMD_smagic:
case CMD_snomagic:
case CMD_substitute:
case CMD_syntax:
case CMD_tab:
case CMD_tcl:
case CMD_throw:
case CMD_tilde:
case CMD_topleft:
case CMD_unlet:
case CMD_verbose:
case CMD_vertical:
break;
default: goto doend;
}
}
#endif
if (ea.argt & XFILE)
{
if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
goto doend;
}
#ifdef FEAT_LISTCMDS
/*
* Accept buffer name. Cannot be used at the same time with a buffer
* number. Don't do this for a user command.
*/
if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
# ifdef FEAT_USR_CMDS
&& !USER_CMDIDX(ea.cmdidx)
# endif
)
{
/*
* :bdelete, :bwipeout and :bunload take several arguments, separated
* by spaces: find next space (skipping over escaped characters).
* The others take one argument: ignore trailing spaces.
*/
if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
|| ea.cmdidx == CMD_bunload)
p = skiptowhite_esc(ea.arg);
else
{
p = ea.arg + STRLEN(ea.arg);
while (p > ea.arg && vim_iswhite(p[-1]))
--p;
}
ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
if (ea.line2 < 0) /* failed */
goto doend;
ea.addr_count = 1;
ea.arg = skipwhite(p);
}
#endif
/*
* 6. switch on command name
*
* The "ea" structure holds the arguments that can be used.
*/
ea.cmdlinep = cmdlinep;
ea.getline = fgetline;
ea.cookie = cookie;
#ifdef FEAT_EVAL
ea.cstack = cstack;
#endif
#ifdef FEAT_USR_CMDS
if (USER_CMDIDX(ea.cmdidx))
{
/*
* Execute a user-defined command.
*/
do_ucmd(&ea);
}
else
#endif
{
/*
* Call the function to execute the command.
*/
ea.errmsg = NULL;
(cmdnames[ea.cmdidx].cmd_func)(&ea);
if (ea.errmsg != NULL)
errormsg = (char_u *)_(ea.errmsg);
}
#ifdef FEAT_EVAL
/*
* If the command just executed called do_cmdline(), any throw or ":return"
* or ":finish" encountered there must also check the cstack of the still
* active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
* exception, or reanimate a returned function or finished script file and
* return or finish it again.
*/
if (need_rethrow)
do_throw(cstack);
else if (check_cstack)
{
if (source_finished(fgetline, cookie))
do_finish(&ea, TRUE);
else if (getline_equal(fgetline, cookie, get_func_line)
&& current_func_returned())
do_return(&ea, TRUE, FALSE, NULL);
}
need_rethrow = check_cstack = FALSE;
#endif
doend:
if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
curwin->w_cursor.lnum = 1;
if (errormsg != NULL && *errormsg != NUL && !did_emsg)
{
if (sourcing)
{
if (errormsg != IObuff)
{
STRCPY(IObuff, errormsg);
errormsg = IObuff;
}
STRCAT(errormsg, ": ");
STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
}
emsg(errormsg);
}
#ifdef FEAT_EVAL
do_errthrow(cstack,
(ea.cmdidx != CMD_SIZE
# ifdef FEAT_USR_CMDS
&& !USER_CMDIDX(ea.cmdidx)
# endif
) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
#endif
if (verbose_save >= 0)
p_verbose = verbose_save;
#ifdef FEAT_AUTOCMD
if (cmdmod.save_ei != NULL)
{
/* Restore 'eventignore' to the value before ":noautocmd". */
set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
OPT_FREE, SID_NONE);
free_string_option(cmdmod.save_ei);
}
#endif
cmdmod = save_cmdmod;
if (did_silent > 0)
{
/* messages could be enabled for a serious error, need to check if the
* counters don't become negative */
msg_silent -= did_silent;
if (msg_silent < 0)
msg_silent = 0;
emsg_silent -= did_esilent;
if (emsg_silent < 0)
emsg_silent = 0;
/* Restore msg_scroll, it's set by file I/O commands, even when no
* message is actually displayed. */
msg_scroll = save_msg_scroll;
/* "silent reg" or "silent echo x" inside "redir" leaves msg_col
* somewhere in the line. Put it back in the first column. */
if (redirecting())
msg_col = 0;
}
#ifdef HAVE_SANDBOX
if (did_sandbox)
--sandbox;
#endif
if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
ea.nextcmd = NULL;
#ifdef FEAT_EVAL
--ex_nesting_level;
#endif
return ea.nextcmd;
}
#if (_MSC_VER == 1200)
#pragma optimize( "", on )
#endif
/*
* Check for an Ex command with optional tail.
* If there is a match advance "pp" to the argument and return TRUE.
*/
int
checkforcmd(pp, cmd, len)
char_u **pp; /* start of command */
char *cmd; /* name of command */
int len; /* required length */
{
int i;
for (i = 0; cmd[i] != NUL; ++i)
if (cmd[i] != (*pp)[i])
break;
if (i >= len && !isalpha((*pp)[i]))
{
*pp = skipwhite(*pp + i);
return TRUE;
}
return FALSE;
}
/*
* Find an Ex command by its name, either built-in or user.
* Start of the name can be found at eap->cmd.
* Returns pointer to char after the command name.
* "full" is set to TRUE if the whole command name matched.
* Returns NULL for an ambiguous user command.
*/
/*ARGSUSED*/
static char_u *
find_command(eap, full)
exarg_T *eap;
int *full;
{
int len;
char_u *p;
int i;
/*
* Isolate the command and search for it in the command table.
* Exceptions:
* - the 'k' command can directly be followed by any character.
* - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
* but :sre[wind] is another command, as are :scrip[tnames],
* :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
* - the "d" command can directly be followed by 'l' or 'p' flag.
*/
p = eap->cmd;
if (*p == 'k')
{
eap->cmdidx = CMD_k;
++p;
}
else if (p[0] == 's'
&& ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
&& p[3] != 'i' && p[4] != 'p')
|| p[1] == 'g'
|| (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
|| p[1] == 'I'
|| (p[1] == 'r' && p[2] != 'e')))
{
eap->cmdidx = CMD_substitute;
++p;
}
else
{
while (ASCII_ISALPHA(*p))
++p;
/* check for non-alpha command */
if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
++p;
len = (int)(p - eap->cmd);
if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
{
/* Check for ":dl", ":dell", etc. to ":deletel": that's
* :delete with the 'l' flag. Same for 'p'. */
for (i = 0; i < len; ++i)
if (eap->cmd[i] != "delete"[i])
break;
if (i == len - 1)
{
--len;
if (p[-1] == 'l')
eap->flags |= EXFLAG_LIST;
else
eap->flags |= EXFLAG_PRINT;
}
}
if (ASCII_ISLOWER(*eap->cmd))
eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
else
eap->cmdidx = cmdidxs[26];
for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
(size_t)len) == 0)
{
#ifdef FEAT_EVAL
if (full != NULL
&& cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
*full = TRUE;
#endif
break;
}
#ifdef FEAT_USR_CMDS
/* Look for a user defined command as a last resort */
if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
{
/* User defined commands may contain digits. */
while (ASCII_ISALNUM(*p))
++p;
p = find_ucmd(eap, p, full, NULL, NULL);
}
#endif
if (p == eap->cmd)
eap->cmdidx = CMD_SIZE;
}
return p;
}
#ifdef FEAT_USR_CMDS
/*
* Search for a user command that matches "eap->cmd".
* Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
* Return a pointer to just after the command.
* Return NULL if there is no matching command.
*/
static char_u *
find_ucmd(eap, p, full, xp, compl)
exarg_T *eap;
char_u *p; /* end of the command (possibly including count) */
int *full; /* set to TRUE for a full match */
expand_T *xp; /* used for completion, NULL otherwise */
int *compl; /* completion flags or NULL */
{
int len = (int)(p - eap->cmd);
int j, k, matchlen = 0;
ucmd_T *uc;
int found = FALSE;
int possible = FALSE;
char_u *cp, *np; /* Point into typed cmd and test name */
garray_T *gap;
int amb_local = FALSE; /* Found ambiguous buffer-local command,
only full match global is accepted. */
/*
* Look for buffer-local user commands first, then global ones.
*/
gap = &curbuf->b_ucmds;
for (;;)
{
for (j = 0; j < gap->ga_len; ++j)
{
uc = USER_CMD_GA(gap, j);
cp = eap->cmd;
np = uc->uc_name;
k = 0;
while (k < len && *np != NUL && *cp++ == *np++)
k++;
if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
{
/* If finding a second match, the command is ambiguous. But
* not if a buffer-local command wasn't a full match and a
* global command is a full match. */
if (k == len && found && *np != NUL)
{
if (gap == &ucmds)
return NULL;
amb_local = TRUE;
}
if (!found || (k == len && *np == NUL))
{
/* If we matched up to a digit, then there could
* be another command including the digit that we
* should use instead.
*/
if (k == len)
found = TRUE;
else
possible = TRUE;
if (gap == &ucmds)
eap->cmdidx = CMD_USER;
else
eap->cmdidx = CMD_USER_BUF;
eap->argt = (long)uc->uc_argt;
eap->useridx = j;
# ifdef FEAT_CMDL_COMPL
if (compl != NULL)
*compl = uc->uc_compl;
# ifdef FEAT_EVAL
if (xp != NULL)
{
xp->xp_arg = uc->uc_compl_arg;
xp->xp_scriptID = uc->uc_scriptID;
}
# endif
# endif
/* Do not search for further abbreviations
* if this is an exact match. */
matchlen = k;
if (k == len && *np == NUL)
{
if (full != NULL)
*full = TRUE;
amb_local = FALSE;
break;
}
}
}
}
/* Stop if we found a full match or searched all. */
if (j < gap->ga_len || gap == &ucmds)
break;
gap = &ucmds;
}
/* Only found ambiguous matches. */
if (amb_local)
{
if (xp != NULL)
xp->xp_context = EXPAND_UNSUCCESSFUL;
return NULL;
}
/* The match we found may be followed immediately by a number. Move "p"
* back to point to it. */
if (found || possible)
return p + (matchlen - len);
return p;
}
#endif
#if defined(FEAT_EVAL) || defined(PROTO)
static struct cmdmod
{
char *name;
int minlen;
int has_count; /* :123verbose :3tab */
} cmdmods[] = {
{"aboveleft", 3, FALSE},
{"belowright", 3, FALSE},
{"botright", 2, FALSE},
{"browse", 3, FALSE},
{"confirm", 4, FALSE},
{"hide", 3, FALSE},
{"keepalt", 5, FALSE},
{"keepjumps", 5, FALSE},
{"keepmarks", 3, FALSE},
{"leftabove", 5, FALSE},
{"lockmarks", 3, FALSE},
{"noautocmd", 3, FALSE},
{"rightbelow", 6, FALSE},
{"sandbox", 3, FALSE},
{"silent", 3, FALSE},
{"tab", 3, TRUE},
{"topleft", 2, FALSE},
{"verbose", 4, TRUE},
{"vertical", 4, FALSE},
};
/*
* Return length of a command modifier (including optional count).
* Return zero when it's not a modifier.
*/
int
modifier_len(cmd)
char_u *cmd;
{
int i, j;
char_u *p = cmd;
if (VIM_ISDIGIT(*cmd))
p = skipwhite(skipdigits(cmd));
for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
{
for (j = 0; p[j] != NUL; ++j)
if (p[j] != cmdmods[i].name[j])
break;
if (!isalpha(p[j]) && j >= cmdmods[i].minlen
&& (p == cmd || cmdmods[i].has_count))
return j + (int)(p - cmd);
}
return 0;
}
/*
* Return > 0 if an Ex command "name" exists.
* Return 2 if there is an exact match.
* Return 3 if there is an ambiguous match.
*/
int
cmd_exists(name)
char_u *name;
{
exarg_T ea;
int full = FALSE;
int i;
int j;
char_u *p;
/* Check command modifiers. */
for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
{
for (j = 0; name[j] != NUL; ++j)
if (name[j] != cmdmods[i].name[j])
break;
if (name[j] == NUL && j >= cmdmods[i].minlen)
return (cmdmods[i].name[j] == NUL ? 2 : 1);
}
/* Check built-in commands and user defined commands.
* For ":2match" and ":3match" we need to skip the number. */
ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
ea.cmdidx = (cmdidx_T)0;
p = find_command(&ea, &full);
if (p == NULL)
return 3;
if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
return 0;
if (*skipwhite(p) != NUL)
return 0; /* trailing garbage */
return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
}
#endif
/*
* This is all pretty much copied from do_one_cmd(), with all the extra stuff
* we don't need/want deleted. Maybe this could be done better if we didn't
* repeat all this stuff. The only problem is that they may not stay
* perfectly compatible with each other, but then the command line syntax
* probably won't change that much -- webb.
*/
char_u *
set_one_cmd_context(xp, buff)
expand_T *xp;
char_u *buff; /* buffer for command string */
{
char_u *p;
char_u *cmd, *arg;
int len = 0;
exarg_T ea;
#if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
int compl = EXPAND_NOTHING;
#endif
#ifdef FEAT_CMDL_COMPL
int delim;
#endif
int forceit = FALSE;
int usefilter = FALSE; /* filter instead of file name */
ExpandInit(xp);
xp->xp_pattern = buff;
xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
ea.argt = 0;
/*
* 2. skip comment lines and leading space, colons or bars
*/
for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
;
xp->xp_pattern = cmd;
if (*cmd == NUL)
return NULL;
if (*cmd == '"') /* ignore comment lines */
{
xp->xp_context = EXPAND_NOTHING;
return NULL;
}
/*
* 3. parse a range specifier of the form: addr [,addr] [;addr] ..
*/
cmd = skip_range(cmd, &xp->xp_context);
/*
* 4. parse command
*/
xp->xp_pattern = cmd;
if (*cmd == NUL)
return NULL;
if (*cmd == '"')
{
xp->xp_context = EXPAND_NOTHING;
return NULL;
}
if (*cmd == '|' || *cmd == '\n')
return cmd + 1; /* There's another command */
/*
* Isolate the command and search for it in the command table.
* Exceptions:
* - the 'k' command can directly be followed by any character, but
* do accept "keepmarks", "keepalt" and "keepjumps".
* - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
*/
if (*cmd == 'k' && cmd[1] != 'e')
{
ea.cmdidx = CMD_k;
p = cmd + 1;
}
else
{
p = cmd;
while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
++p;
/* check for non-alpha command */
if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
++p;
len = (int)(p - cmd);
if (len == 0)
{
xp->xp_context = EXPAND_UNSUCCESSFUL;
return NULL;
}
for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
break;
#ifdef FEAT_USR_CMDS
if (cmd[0] >= 'A' && cmd[0] <= 'Z')
{
while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
++p;
len = (int)(p - cmd);
}
#endif
}
/*
* If the cursor is touching the command, and it ends in an alpha-numeric
* character, complete the command name.
*/
if (*p == NUL && ASCII_ISALNUM(p[-1]))
return NULL;
if (ea.cmdidx == CMD_SIZE)
{
if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
{
ea.cmdidx = CMD_substitute;
p = cmd + 1;
}
#ifdef FEAT_USR_CMDS
else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
{
ea.cmd = cmd;
p = find_ucmd(&ea, p, NULL, xp,
# if defined(FEAT_CMDL_COMPL)
&compl
# else
NULL
# endif
);
if (p == NULL)
ea.cmdidx = CMD_SIZE; /* ambiguous user command */
}
#endif
}
if (ea.cmdidx == CMD_SIZE)
{
/* Not still touching the command and it was an illegal one */
xp->xp_context = EXPAND_UNSUCCESSFUL;
return NULL;
}
xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
if (*p == '!') /* forced commands */
{
forceit = TRUE;
++p;
}
/*
* 5. parse arguments
*/
#ifdef FEAT_USR_CMDS
if (!USER_CMDIDX(ea.cmdidx))
#endif
ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
arg = skipwhite(p);
if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
{
if (*arg == '>') /* append */
{
if (*++arg == '>')
++arg;
arg = skipwhite(arg);
}
else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
{
++arg;
usefilter = TRUE;
}
}
if (ea.cmdidx == CMD_read)
{
usefilter = forceit; /* :r! filter if forced */
if (*arg == '!') /* :r !filter */
{
++arg;
usefilter = TRUE;
}
}
if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
{
while (*arg == *cmd) /* allow any number of '>' or '<' */
++arg;
arg = skipwhite(arg);
}
/* Does command allow "+command"? */
if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
{
/* Check if we're in the +command */
p = arg + 1;
arg = skip_cmd_arg(arg, FALSE);
/* Still touching the command after '+'? */
if (*arg == NUL)
return p;
/* Skip space(s) after +command to get to the real argument */
arg = skipwhite(arg);
}
/*
* Check for '|' to separate commands and '"' to start comments.
* Don't do this for ":read !cmd" and ":write !cmd".
*/
if ((ea.argt & TRLBAR) && !usefilter)
{
p = arg;
/* ":redir @" is not the start of a comment */
if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
p += 2;
while (*p)
{
if (*p == Ctrl_V)
{
if (p[1] != NUL)
++p;
}
else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
|| *p == '|' || *p == '\n')
{
if (*(p - 1) != '\\')
{
if (*p == '|' || *p == '\n')
return p + 1;
return NULL; /* It's a comment */
}
}
mb_ptr_adv(p);
}
}
/* no arguments allowed */
if (!(ea.argt & EXTRA) && *arg != NUL &&
vim_strchr((char_u *)"|\"", *arg) == NULL)
return NULL;
/* Find start of last argument (argument just before cursor): */
p = buff + STRLEN(buff);
while (p != arg && *p != ' ' && *p != TAB)
p--;
if (*p == ' ' || *p == TAB)
p++;
xp->xp_pattern = p;
if (ea.argt & XFILE)
{
int c;
int in_quote = FALSE;
char_u *bow = NULL; /* Beginning of word */
/*
* Allow spaces within back-quotes to count as part of the argument
* being expanded.
*/
xp->xp_pattern = skipwhite(arg);
p = xp->xp_pattern;
while (*p != NUL)
{
#ifdef FEAT_MBYTE
if (has_mbyte)
c = mb_ptr2char(p);
else
#endif
c = *p;
if (c == '\\' && p[1] != NUL)
++p;
else if (c == '`')
{
if (!in_quote)
{
xp->xp_pattern = p;
bow = p + 1;
}
in_quote = !in_quote;
}
/* An argument can contain just about everything, except
* characters that end the command and white space. */
else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
#ifdef SPACE_IN_FILENAME
&& (!(ea.argt & NOSPC) || usefilter)
#endif
))
{
len = 0; /* avoid getting stuck when space is in 'isfname' */
while (*p != NUL)
{
#ifdef FEAT_MBYTE
if (has_mbyte)
c = mb_ptr2char(p);
else
#endif
c = *p;
if (c == '`' || vim_isfilec_or_wc(c))
break;
#ifdef FEAT_MBYTE
if (has_mbyte)
len = (*mb_ptr2len)(p);
else
#endif
len = 1;
mb_ptr_adv(p);
}
if (in_quote)
bow = p;
else
xp->xp_pattern = p;
p -= len;
}
mb_ptr_adv(p);
}
/*
* If we are still inside the quotes, and we passed a space, just
* expand from there.
*/
if (bow != NULL && in_quote)
xp->xp_pattern = bow;
xp->xp_context = EXPAND_FILES;
#ifndef BACKSLASH_IN_FILENAME
/* For a shell command more chars need to be escaped. */
if (usefilter || ea.cmdidx == CMD_bang)
{
xp->xp_shell = TRUE;
/* When still after the command name expand executables. */
if (xp->xp_pattern == skipwhite(arg))
xp->xp_context = EXPAND_SHELLCMD;
}
#endif
/* Check for environment variable */
if (*xp->xp_pattern == '$'
#if defined(MSDOS) || defined(MSWIN) || defined(OS2)
|| *xp->xp_pattern == '%'
#endif
)
{
for (p = xp->xp_pattern + 1; *p != NUL; ++p)
if (!vim_isIDc(*p))
break;
if (*p == NUL)
{
xp->xp_context = EXPAND_ENV_VARS;
++xp->xp_pattern;
#if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
/* Avoid that the assignment uses EXPAND_FILES again. */
if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
compl = EXPAND_ENV_VARS;
#endif
}
}
}
/*
* 6. switch on command name
*/
switch (ea.cmdidx)
{
case CMD_cd:
case CMD_chdir:
case CMD_lcd:
case CMD_lchdir:
if (xp->xp_context == EXPAND_FILES)
xp->xp_context = EXPAND_DIRECTORIES;
break;
case CMD_help:
xp->xp_context = EXPAND_HELP;
xp->xp_pattern = arg;
break;
/* Command modifiers: return the argument.
* Also for commands with an argument that is a command. */
case CMD_aboveleft:
case CMD_argdo:
case CMD_belowright:
case CMD_botright:
case CMD_browse:
case CMD_bufdo:
case CMD_confirm:
case CMD_debug:
case CMD_folddoclosed:
case CMD_folddoopen:
case CMD_hide:
case CMD_keepalt:
case CMD_keepjumps:
case CMD_keepmarks:
case CMD_leftabove:
case CMD_lockmarks:
case CMD_rightbelow:
case CMD_sandbox:
case CMD_silent:
case CMD_tab:
case CMD_topleft:
case CMD_verbose:
case CMD_vertical:
case CMD_windo:
return arg;
#ifdef FEAT_CMDL_COMPL
# ifdef FEAT_SEARCH_EXTRA
case CMD_match:
if (*arg == NUL || !ends_excmd(*arg))
{
/* also complete "None" */
set_context_in_echohl_cmd(xp, arg);
arg = skipwhite(skiptowhite(arg));
if (*arg != NUL)
{
xp->xp_context = EXPAND_NOTHING;
arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
}
}
return find_nextcmd(arg);
# endif
/*
* All completion for the +cmdline_compl feature goes here.
*/
# ifdef FEAT_USR_CMDS
case CMD_command:
/* Check for attributes */
while (*arg == '-')
{
arg++; /* Skip "-" */
p = skiptowhite(arg);
if (*p == NUL)
{
/* Cursor is still in the attribute */
p = vim_strchr(arg, '=');
if (p == NULL)
{
/* No "=", so complete attribute names */
xp->xp_context = EXPAND_USER_CMD_FLAGS;
xp->xp_pattern = arg;
return NULL;
}
/* For the -complete and -nargs attributes, we complete
* their arguments as well.
*/
if (STRNICMP(arg, "complete", p - arg) == 0)
{
xp->xp_context = EXPAND_USER_COMPLETE;
xp->xp_pattern = p + 1;
return NULL;
}
else if (STRNICMP(arg, "nargs", p - arg) == 0)
{
xp->xp_context = EXPAND_USER_NARGS;
xp->xp_pattern = p + 1;
return NULL;
}
return NULL;
}
arg = skipwhite(p);
}
/* After the attributes comes the new command name */
p = skiptowhite(arg);
if (*p == NUL)
{
xp->xp_context = EXPAND_USER_COMMANDS;
xp->xp_pattern = arg;
break;
}
/* And finally comes a normal command */
return skipwhite(p);
case CMD_delcommand:
xp->xp_context = EXPAND_USER_COMMANDS;
xp->xp_pattern = arg;
break;
# endif
case CMD_global:
case CMD_vglobal:
delim = *arg; /* get the delimiter */
if (delim)
++arg; /* skip delimiter if there is one */
while (arg[0] != NUL && arg[0] != delim)
{
if (arg[0] == '\\' && arg[1] != NUL)
++arg;
++arg;
}
if (arg[0] != NUL)
return arg + 1;
break;
case CMD_and:
case CMD_substitute:
delim = *arg;
if (delim)
{
/* skip "from" part */
++arg;
arg = skip_regexp(arg, delim, p_magic, NULL);
}
/* skip "to" part */
while (arg[0] != NUL && arg[0] != delim)
{
if (arg[0] == '\\' && arg[1] != NUL)
++arg;
++arg;
}
if (arg[0] != NUL) /* skip delimiter */
++arg;
while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
++arg;
if (arg[0] != NUL)
return arg;
break;
case CMD_isearch:
case CMD_dsearch:
case CMD_ilist:
case CMD_dlist:
case CMD_ijump:
case CMD_psearch:
case CMD_djump:
case CMD_isplit:
case CMD_dsplit:
arg = skipwhite(skipdigits(arg)); /* skip count */
if (*arg == '/') /* Match regexp, not just whole words */
{
for (++arg; *arg && *arg != '/'; arg++)
if (*arg == '\\' && arg[1] != NUL)
arg++;
if (*arg)
{
arg = skipwhite(arg + 1);
/* Check for trailing illegal characters */
if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
xp->xp_context = EXPAND_NOTHING;
else
return arg;
}
}
break;
#ifdef FEAT_AUTOCMD
case CMD_autocmd:
return set_context_in_autocmd(xp, arg, FALSE);
case CMD_doautocmd:
case CMD_doautoall:
return set_context_in_autocmd(xp, arg, TRUE);
#endif
case CMD_set:
set_context_in_set_cmd(xp, arg, 0);
break;
case CMD_setglobal:
set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
break;
case CMD_setlocal:
set_context_in_set_cmd(xp, arg, OPT_LOCAL);
break;
case CMD_tag:
case CMD_stag:
case CMD_ptag:
case CMD_ltag:
case CMD_tselect:
case CMD_stselect:
case CMD_ptselect:
case CMD_tjump:
case CMD_stjump:
case CMD_ptjump:
if (*p_wop != NUL)
xp->xp_context = EXPAND_TAGS_LISTFILES;
else
xp->xp_context = EXPAND_TAGS;
xp->xp_pattern = arg;
break;
case CMD_augroup:
xp->xp_context = EXPAND_AUGROUP;
xp->xp_pattern = arg;
break;
#ifdef FEAT_SYN_HL
case CMD_syntax:
set_context_in_syntax_cmd(xp, arg);
break;
#endif
#ifdef FEAT_EVAL
case CMD_let:
case CMD_if:
case CMD_elseif:
case CMD_while:
case CMD_for:
case CMD_echo:
case CMD_echon:
case CMD_execute:
case CMD_echomsg:
case CMD_echoerr:
case CMD_call:
case CMD_return:
set_context_for_expression(xp, arg, ea.cmdidx);
break;
case CMD_unlet:
while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
arg = xp->xp_pattern + 1;
xp->xp_context = EXPAND_USER_VARS;
xp->xp_pattern = arg;
break;
case CMD_function:
case CMD_delfunction:
xp->xp_context = EXPAND_USER_FUNC;
xp->xp_pattern = arg;
break;
case CMD_echohl:
set_context_in_echohl_cmd(xp, arg);
break;
#endif
case CMD_highlight:
set_context_in_highlight_cmd(xp, arg);
break;
#ifdef FEAT_CSCOPE
case CMD_cscope:
case CMD_lcscope:
case CMD_scscope:
set_context_in_cscope_cmd(xp, arg, ea.cmdidx);
break;
#endif
#ifdef FEAT_LISTCMDS
case CMD_bdelete:
case CMD_bwipeout:
case CMD_bunload:
while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
arg = xp->xp_pattern + 1;
/*FALLTHROUGH*/
case CMD_buffer:
case CMD_sbuffer:
case CMD_checktime:
xp->xp_context = EXPAND_BUFFERS;
xp->xp_pattern = arg;
break;
#endif
#ifdef FEAT_USR_CMDS
case CMD_USER:
case CMD_USER_BUF:
if (compl != EXPAND_NOTHING)
{
/* XFILE: file names are handled above */
if (!(ea.argt & XFILE))
{
# ifdef FEAT_MENU
if (compl == EXPAND_MENUS)
return set_context_in_menu_cmd(xp, cmd, arg, forceit);
# endif
if (compl == EXPAND_COMMANDS)
return arg;
if (compl == EXPAND_MAPPINGS)
return set_context_in_map_cmd(xp, (char_u *)"map",
arg, forceit, FALSE, FALSE, CMD_map);
while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
arg = xp->xp_pattern + 1;
xp->xp_pattern = arg;
}
xp->xp_context = compl;
}
break;
#endif
case CMD_map: case CMD_noremap:
case CMD_nmap: case CMD_nnoremap:
case CMD_vmap: case CMD_vnoremap:
case CMD_omap: case CMD_onoremap:
case CMD_imap: case CMD_inoremap:
case CMD_cmap: case CMD_cnoremap:
return set_context_in_map_cmd(xp, cmd, arg, forceit,
FALSE, FALSE, ea.cmdidx);
case CMD_unmap:
case CMD_nunmap:
case CMD_vunmap:
case CMD_ounmap:
case CMD_iunmap:
case CMD_cunmap:
return set_context_in_map_cmd(xp, cmd, arg, forceit,
FALSE, TRUE, ea.cmdidx);
case CMD_abbreviate: case CMD_noreabbrev:
case CMD_cabbrev: case CMD_cnoreabbrev:
case CMD_iabbrev: case CMD_inoreabbrev:
return set_context_in_map_cmd(xp, cmd, arg, forceit,
TRUE, FALSE, ea.cmdidx);
case CMD_unabbreviate:
case CMD_cunabbrev:
case CMD_iunabbrev:
return set_context_in_map_cmd(xp, cmd, arg, forceit,
TRUE, TRUE, ea.cmdidx);
#ifdef FEAT_MENU
case CMD_menu: case CMD_noremenu: case CMD_unmenu:
case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
case CMD_tmenu: case CMD_tunmenu:
case CMD_popup: case CMD_tearoff: case CMD_emenu:
return set_context_in_menu_cmd(xp, cmd, arg, forceit);
#endif
case CMD_colorscheme:
xp->xp_context = EXPAND_COLORS;
xp->xp_pattern = arg;
break;
case CMD_compiler:
xp->xp_context = EXPAND_COMPILER;
xp->xp_pattern = arg;
break;
#if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
&& (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
case CMD_language:
if (*skiptowhite(arg) == NUL)
{
xp->xp_context = EXPAND_LANGUAGE;
xp->xp_pattern = arg;
}
else
xp->xp_context = EXPAND_NOTHING;
break;
#endif
#endif /* FEAT_CMDL_COMPL */
default:
break;
}
return NULL;
}
/*
* skip a range specifier of the form: addr [,addr] [;addr] ..
*
* Backslashed delimiters after / or ? will be skipped, and commands will
* not be expanded between /'s and ?'s or after "'".
*
* Also skip white space and ":" characters.
* Returns the "cmd" pointer advanced to beyond the range.
*/
char_u *
skip_range(cmd, ctx)
char_u *cmd;
int *ctx; /* pointer to xp_context or NULL */
{
int delim;
while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
{
if (*cmd == '\'')
{
if (*++cmd == NUL && ctx != NULL)
*ctx = EXPAND_NOTHING;
}
else if (*cmd == '/' || *cmd == '?')
{
delim = *cmd++;
while (*cmd != NUL && *cmd != delim)
if (*cmd++ == '\\' && *cmd != NUL)
++cmd;
if (*cmd == NUL && ctx != NULL)
*ctx = EXPAND_NOTHING;
}
if (*cmd != NUL)
++cmd;
}
/* Skip ":" and white space. */
while (*cmd == ':')
cmd = skipwhite(cmd + 1);
return cmd;
}
/*
* get a single EX address
*
* Set ptr to the next character after the part that was interpreted.
* Set ptr to NULL when an error is encountered.
*
* Return MAXLNUM when no Ex address was found.
*/
static linenr_T
get_address(ptr, skip, to_other_file)
char_u **ptr;
int skip; /* only skip the address, don't use it */
int to_other_file; /* flag: may jump to other file */
{
int c;
int i;
long n;
char_u *cmd;
pos_T pos;
pos_T *fp;
linenr_T lnum;
cmd = skipwhite(*ptr);
lnum = MAXLNUM;
do
{
switch (*cmd)
{
case '.': /* '.' - Cursor position */
++cmd;
lnum = curwin->w_cursor.lnum;
break;
case '$': /* '$' - last line */
++cmd;
lnum = curbuf->b_ml.ml_line_count;
break;
case '\'': /* ''' - mark */
if (*++cmd == NUL)
{
cmd = NULL;
goto error;
}
if (skip)
++cmd;
else
{
/* Only accept a mark in another file when it is
* used by itself: ":'M". */
fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
++cmd;
if (fp == (pos_T *)-1)
/* Jumped to another file. */
lnum = curwin->w_cursor.lnum;
else
{
if (check_mark(fp) == FAIL)
{
cmd = NULL;
goto error;
}
lnum = fp->lnum;
}
}
break;
case '/':
case '?': /* '/' or '?' - search */
c = *cmd++;
if (skip) /* skip "/pat/" */
{
cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
if (*cmd == c)
++cmd;
}
else
{
pos = curwin->w_cursor; /* save curwin->w_cursor */
/*
* When '/' or '?' follows another address, start
* from there.
*/
if (lnum != MAXLNUM)
curwin->w_cursor.lnum = lnum;
/*
* Start a forward search at the end of the line.
* Start a backward search at the start of the line.
* This makes sure we never match in the current
* line, and can match anywhere in the
* next/previous line.
*/
if (c == '/')
curwin->w_cursor.col = MAXCOL;
else
curwin->w_cursor.col = 0;
searchcmdlen = 0;
if (!do_search(NULL, c, cmd, 1L,
SEARCH_HIS | SEARCH_MSG, NULL))
{
curwin->w_cursor = pos;
cmd = NULL;
goto error;
}
lnum = curwin->w_cursor.lnum;
curwin->w_cursor = pos;
/* adjust command string pointer */
cmd += searchcmdlen;
}
break;
case '\\': /* "\?", "\/" or "\&", repeat search */
++cmd;
if (*cmd == '&')
i = RE_SUBST;
else if (*cmd == '?' || *cmd == '/')
i = RE_SEARCH;
else
{
EMSG(_(e_backslash));
cmd = NULL;
goto error;
}
if (!skip)
{
/*
* When search follows another address, start from
* there.
*/
if (lnum != MAXLNUM)
pos.lnum = lnum;
else
pos.lnum = curwin->w_cursor.lnum;
/*
* Start the search just like for the above
* do_search().
*/
if (*cmd != '?')
pos.col = MAXCOL;
else
pos.col = 0;
if (searchit(curwin, curbuf, &pos,
*cmd == '?' ? BACKWARD : FORWARD,
(char_u *)"", 1L, SEARCH_MSG,
i, (linenr_T)0, NULL) != FAIL)
lnum = pos.lnum;
else
{
cmd = NULL;
goto error;
}
}
++cmd;
break;
default:
if (VIM_ISDIGIT(*cmd)) /* absolute line number */
lnum = getdigits(&cmd);
}
for (;;)
{
cmd = skipwhite(cmd);
if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
break;
if (lnum == MAXLNUM)
lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
if (VIM_ISDIGIT(*cmd))
i = '+'; /* "number" is same as "+number" */
else
i = *cmd++;
if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
n = 1;
else
n = getdigits(&cmd);
if (i == '-')
lnum -= n;
else
lnum += n;
}
} while (*cmd == '/' || *cmd == '?');
error:
*ptr = cmd;
return lnum;
}
/*
* Get flags from an Ex command argument.
*/
static void
get_flags(eap)
exarg_T *eap;
{
while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
{
if (*eap->arg == 'l')
eap->flags |= EXFLAG_LIST;
else if (*eap->arg == 'p')