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12384 lines (11441 loc) · 280 KB
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/* 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_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 */
int uc_compl; /* completion type */
int uc_addr_type; /* The command's address type */
# ifdef FEAT_EVAL
scid_T uc_scriptID; /* SID where the command was defined */
# ifdef FEAT_CMDL_COMPL
char_u *uc_compl_arg; /* completion argument if any */
# endif
# 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(exarg_T *eap);
static void ex_command(exarg_T *eap);
static void ex_delcommand(exarg_T *eap);
# ifdef FEAT_CMDL_COMPL
static char_u *get_user_command_name(int idx);
# endif
/* Wether a command index indicates a user command. */
# define IS_USER_CMDIDX(idx) ((int)(idx) < 0)
#else
# define ex_command ex_ni
# define ex_comclear ex_ni
# define ex_delcommand ex_ni
/* Wether a command index indicates a user command. */
# define IS_USER_CMDIDX(idx) (FALSE)
#endif
static int compute_buffer_local_count(int addr_type, int lnum, int local);
#ifdef FEAT_EVAL
static char_u *do_one_cmd(char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie);
#else
static char_u *do_one_cmd(char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie);
static int if_level = 0; /* depth in :if */
#endif
static void append_command(char_u *cmd);
static char_u *find_command(exarg_T *eap, int *full);
static void ex_abbreviate(exarg_T *eap);
static void ex_map(exarg_T *eap);
static void ex_unmap(exarg_T *eap);
static void ex_mapclear(exarg_T *eap);
static void ex_abclear(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(exarg_T *eap);
static void ex_doautocmd(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(exarg_T *eap);
static void ex_buffer(exarg_T *eap);
static void ex_bmodified(exarg_T *eap);
static void ex_bnext(exarg_T *eap);
static void ex_bprevious(exarg_T *eap);
static void ex_brewind(exarg_T *eap);
static void ex_blast(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(char_u **);
static char_u *skip_cmd_arg(char_u *p, int rembs);
static int getargopt(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 qf_history 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
# define ex_cbottom ex_ni
#endif
#if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
# define ex_cexpr ex_ni
#endif
static int check_more(int, int);
static linenr_T get_address(exarg_T *, char_u **, int addr_type, int skip, int to_other_file, int address_count);
static void get_flags(exarg_T *eap);
#if !defined(FEAT_PERL) \
|| !defined(FEAT_PYTHON) || !defined(FEAT_PYTHON3) \
|| !defined(FEAT_TCL) \
|| !defined(FEAT_RUBY) \
|| !defined(FEAT_LUA) \
|| !defined(FEAT_MZSCHEME)
# define HAVE_EX_SCRIPT_NI
static void ex_script_ni(exarg_T *eap);
#endif
static char_u *invalid_range(exarg_T *eap);
static void correct_range(exarg_T *eap);
#ifdef FEAT_QUICKFIX
static char_u *replace_makeprg(exarg_T *eap, char_u *p, char_u **cmdlinep);
#endif
static char_u *repl_cmdline(exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep);
static void ex_highlight(exarg_T *eap);
static void ex_colorscheme(exarg_T *eap);
static void ex_quit(exarg_T *eap);
static void ex_cquit(exarg_T *eap);
static void ex_quit_all(exarg_T *eap);
#ifdef FEAT_WINDOWS
static void ex_close(exarg_T *eap);
static void ex_win_close(int forceit, win_T *win, tabpage_T *tp);
static void ex_only(exarg_T *eap);
static void ex_resize(exarg_T *eap);
static void ex_stag(exarg_T *eap);
static void ex_tabclose(exarg_T *eap);
static void ex_tabonly(exarg_T *eap);
static void ex_tabnext(exarg_T *eap);
static void ex_tabmove(exarg_T *eap);
static void ex_tabs(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(exarg_T *eap);
static void ex_ptag(exarg_T *eap);
static void ex_pedit(exarg_T *eap);
#else
# define ex_pclose ex_ni
# define ex_ptag ex_ni
# define ex_pedit ex_ni
#endif
static void ex_hide(exarg_T *eap);
static void ex_stop(exarg_T *eap);
static void ex_exit(exarg_T *eap);
static void ex_print(exarg_T *eap);
#ifdef FEAT_BYTEOFF
static void ex_goto(exarg_T *eap);
#else
# define ex_goto ex_ni
#endif
static void ex_shell(exarg_T *eap);
static void ex_preserve(exarg_T *eap);
static void ex_recover(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(exarg_T *eap);
static void ex_wrongmodifier(exarg_T *eap);
static void ex_find(exarg_T *eap);
static void ex_open(exarg_T *eap);
static void ex_edit(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(exarg_T *eap);
#endif
#if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
static void ex_tearoff(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(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 ex_cscope ex_ni
# define ex_scscope ex_ni
# define ex_cstag ex_ni
#endif
#ifndef FEAT_SYN_HL
# define ex_syntax ex_ni
# define ex_ownsyntax ex_ni
#endif
#if !defined(FEAT_SYN_HL) || !defined(FEAT_PROFILE)
# define ex_syntime 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_PERSISTENT_UNDO
# define ex_rundo ex_ni
# define ex_wundo ex_ni
#endif
#ifndef FEAT_LUA
# define ex_lua ex_script_ni
# define ex_luado ex_ni
# define ex_luafile 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_pydo ex_ni
# define ex_pyfile ex_ni
#endif
#ifndef FEAT_PYTHON3
# define ex_py3 ex_script_ni
# define ex_py3do ex_ni
# define ex_py3file ex_ni
#endif
#if !defined(FEAT_PYTHON) && !defined(FEAT_PYTHON3)
# define ex_pyx ex_script_ni
# define ex_pyxdo ex_ni
# define ex_pyxfile 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_KEYMAP
# define ex_loadkeymap ex_ni
#endif
static void ex_swapname(exarg_T *eap);
static void ex_syncbind(exarg_T *eap);
static void ex_read(exarg_T *eap);
static void ex_pwd(exarg_T *eap);
static void ex_equal(exarg_T *eap);
static void ex_sleep(exarg_T *eap);
static void do_exmap(exarg_T *eap, int isabbrev);
static void ex_winsize(exarg_T *eap);
#ifdef FEAT_WINDOWS
static void ex_wincmd(exarg_T *eap);
#else
# define ex_wincmd ex_ni
#endif
#if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
static void ex_winpos(exarg_T *eap);
#else
# define ex_winpos ex_ni
#endif
static void ex_operators(exarg_T *eap);
static void ex_put(exarg_T *eap);
static void ex_copymove(exarg_T *eap);
static void ex_submagic(exarg_T *eap);
static void ex_join(exarg_T *eap);
static void ex_at(exarg_T *eap);
static void ex_bang(exarg_T *eap);
static void ex_undo(exarg_T *eap);
#ifdef FEAT_PERSISTENT_UNDO
static void ex_wundo(exarg_T *eap);
static void ex_rundo(exarg_T *eap);
#endif
static void ex_redo(exarg_T *eap);
static void ex_later(exarg_T *eap);
static void ex_redir(exarg_T *eap);
static void ex_redrawstatus(exarg_T *eap);
static void close_redir(void);
static void ex_mkrc(exarg_T *eap);
static void ex_mark(exarg_T *eap);
#ifdef FEAT_USR_CMDS
static char_u *uc_fun_cmd(void);
static char_u *find_ucmd(exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl);
#endif
static void ex_startinsert(exarg_T *eap);
static void ex_stopinsert(exarg_T *eap);
#ifdef FEAT_FIND_ID
static void ex_checkpath(exarg_T *eap);
static void ex_findpat(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(exarg_T *eap);
#else
# define ex_psearch ex_ni
#endif
static void ex_tag(exarg_T *eap);
static void ex_tag_cmd(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_continue ex_ni
# define ex_break ex_ni
# define ex_endwhile 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(void);
#ifdef FEAT_SESSION
static int makeopens(FILE *fd, char_u *dirnow);
static int put_view(FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx);
static void ex_loadview(exarg_T *eap);
static char_u *get_view_file(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(exarg_T *eap);
#else
# define ex_viminfo ex_ni
#endif
static void ex_behave(exarg_T *eap);
#ifdef FEAT_AUTOCMD
static void ex_filetype(exarg_T *eap);
static void ex_setfiletype(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(exarg_T *eap);
static void ex_set(exarg_T *eap);
#if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
# define ex_options ex_ni
#endif
#ifdef FEAT_SEARCH_EXTRA
static void ex_nohlsearch(exarg_T *eap);
static void ex_match(exarg_T *eap);
#else
# define ex_nohlsearch ex_ni
# define ex_match ex_ni
#endif
#ifdef FEAT_CRYPT
static void ex_X(exarg_T *eap);
#else
# define ex_X ex_ni
#endif
#ifdef FEAT_FOLDING
static void ex_fold(exarg_T *eap);
static void ex_foldopen(exarg_T *eap);
static void ex_folddo(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_nbclose ex_ni
# define ex_nbkey ex_ni
# define ex_nbstart 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_clearjumps ex_ni
# define ex_changes ex_ni
#endif
#ifndef FEAT_PROFILE
# define ex_profile ex_ni
#endif
#ifndef FEAT_TERMINAL
# define ex_terminal ex_ni
#endif
/*
* Declare cmdnames[].
*/
#define DO_DECLARE_EXCMD
#include "ex_cmds.h"
#include "ex_cmdidxs.h"
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)(int, void *, int);
void *cookie;
};
static char_u *get_loop_line(int c, void *cookie, int indent);
static int store_loop_line(garray_T *gap, char_u *line);
static void free_cmdlines(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(struct dbg_stuff *dsp);
static void restore_dbg_stuff(struct dbg_stuff *dsp);
static void
save_dbg_stuff(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(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(
int improved) /* TRUE for "improved Ex" mode */
{
int save_msg_scroll;
int prev_msg_row;
linenr_T prev_line;
varnumber_T 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
MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
while (exmode_active)
{
/* Check for a ":normal" command and no more characters left. */
if (ex_normal_busy > 0 && typebuf.tb_len == 0)
{
exmode_active = FALSE;
break;
}
msg_scroll = TRUE;
need_wait_return = FALSE;
ex_pressedreturn = FALSE;
ex_no_reprint = FALSE;
changedtick = CHANGEDTICK(curbuf);
prev_msg_row = msg_row;
prev_line = curwin->w_cursor.lnum;
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 != CHANGEDTICK(curbuf)) && !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(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, fgetline() 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 fgetline() 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(
char_u *cmdline,
char_u *(*fgetline)(int, void *, int),
void *cookie, /* argument for fgetline() */
int flags)
{
char_u *next_cmdline; /* next cmd to execute */
char_u *cmdline_copy = NULL; /* copy of cmd line */
int used_getline = FALSE; /* used "fgetline" 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;
/* "fgetline" and "cookie" passed to do_one_cmd() */
char_u *(*cmd_getline)(int, void *, int);
void *cmd_cookie;
struct loop_cookie cmd_loop_cookie;
void *real_cookie;
int getline_is_func;
#else
# define cmd_getline fgetline
# 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.
* Allow 200 or 'maxfuncdepth', whatever is larger. */
if (call_depth >= 200
#ifdef FEAT_EVAL
&& call_depth >= p_mfd
#endif
)
{
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(fgetline, cookie);
/* Inside a function use a higher nesting level. */
getline_is_func = getline_equal(fgetline, 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(fgetline, 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
vim_memset(&debug_saved, 0, sizeof(debug_saved));
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(fgetline, 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(fgetline, 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 fgetline().
* 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(fgetline, cookie, getsourceline))
script_line_end();
#endif
/* Check if a sourced file hit a ":finish" command. */
if (source_finished(fgetline, 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(fgetline, 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(fgetline, 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(fgetline, 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 "fgetline" 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 = fgetline;
cmd_loop_cookie.cookie = cookie;
cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
}
else
{
cmd_getline = fgetline;
cmd_cookie = cookie;
}
#endif
/* 2. If no line given, get an allocated line with fgetline(). */
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(fgetline, cookie, getexline))
msg_didout = TRUE;
if (fgetline == NULL || (next_cmdline = fgetline(':', 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;
}