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Diffstat (limited to 'src/ex_docmd.c')
| -rw-r--r-- | src/ex_docmd.c | 9221 |
1 files changed, 9221 insertions, 0 deletions
diff --git a/src/ex_docmd.c b/src/ex_docmd.c new file mode 100644 index 0000000..8b9db68 --- /dev/null +++ b/src/ex_docmd.c @@ -0,0 +1,9221 @@ +/* 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_EVAL +static char_u *do_one_cmd(char_u **, int, cstack_T *, char_u *(*fgetline)(int, void *, int, getline_opt_T), void *cookie); +#else +static char_u *do_one_cmd(char_u **, int, char_u *(*fgetline)(int, void *, int, getline_opt_T), void *cookie); +static int if_level = 0; // depth in :if +#endif +static void append_command(char_u *cmd); + +#ifndef FEAT_MENU +# define ex_emenu ex_ni +# define ex_menu ex_ni +# define ex_menutranslate ex_ni +#endif +static void ex_autocmd(exarg_T *eap); +static void ex_doautocmd(exarg_T *eap); +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); +static char_u *getargcmd(char_u **); +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_cbelow 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) +# 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 linenr_T default_address(exarg_T *eap); +static linenr_T get_address(exarg_T *, char_u **, cmd_addr_T addr_type, int skip, int silent, int to_other_file, int address_count); +static void address_default_all(exarg_T *eap); +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 *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_cquit(exarg_T *eap); +static void ex_quit_all(exarg_T *eap); +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); +#if 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); +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); +#ifndef FEAT_GUI +# define ex_gui ex_nogui +static void ex_nogui(exarg_T *eap); +#endif +#if defined(FEAT_GUI_MSWIN) && 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_TERM_POPUP_MENU)) && 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 ex_winsize(exarg_T *eap); +static void ex_wincmd(exarg_T *eap); +#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 ex_redrawtabline(exarg_T *eap); +static void close_redir(void); +static void ex_mark(exarg_T *eap); +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_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_block ex_ni +# define ex_break ex_ni +# define ex_breakadd ex_ni +# define ex_breakdel ex_ni +# define ex_breaklist ex_ni +# define ex_call ex_ni +# define ex_catch ex_ni +# define ex_compiler ex_ni +# define ex_continue ex_ni +# define ex_debug ex_ni +# define ex_debuggreedy ex_ni +# define ex_defcompile ex_ni +# define ex_delfunction ex_ni +# define ex_disassemble ex_ni +# define ex_echo ex_ni +# define ex_echohl ex_ni +# define ex_else ex_ni +# define ex_endblock ex_ni +# define ex_endfunction ex_ni +# define ex_endif ex_ni +# define ex_endtry ex_ni +# define ex_endwhile ex_ni +# define ex_eval ex_ni +# define ex_execute ex_ni +# define ex_finally ex_ni +# define ex_finish ex_ni +# define ex_function ex_ni +# define ex_if ex_ni +# define ex_let ex_ni +# define ex_var ex_ni +# define ex_lockvar ex_ni +# define ex_oldfiles ex_ni +# define ex_options ex_ni +# define ex_packadd ex_ni +# define ex_packloadall ex_ni +# define ex_return ex_ni +# define ex_scriptnames ex_ni +# define ex_throw ex_ni +# define ex_try ex_ni +# define ex_unlet ex_ni +# define ex_unlockvar ex_ni +# define ex_while ex_ni +# define ex_import ex_ni +# define ex_export ex_ni +#endif +#ifndef FEAT_SESSION +# define ex_loadview ex_ni +#endif +#ifndef FEAT_VIMINFO +# define ex_viminfo ex_ni +#endif +static void ex_behave(exarg_T *eap); +static void ex_filetype(exarg_T *eap); +static void ex_setfiletype(exarg_T *eap); +#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); +#ifdef FEAT_SEARCH_EXTRA +static void ex_nohlsearch(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)) +# define ex_language ex_ni +#endif +#ifndef FEAT_SIGNS +# define ex_sign 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_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 +#if !defined(FEAT_X11) || !defined(FEAT_XCLIPBOARD) +# define ex_xrestore ex_ni +#endif +#if !defined(FEAT_PROP_POPUP) +# define ex_popupclear 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, getline_opt_T); + void *cookie; +}; + +static char_u *get_loop_line(int c, void *cookie, int indent, getline_opt_T options); +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) +{ + 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; +} + +/* + * Print the executed command for when 'verbose' is set. + * When "lnum" is 0 only print the command. + */ + static void +msg_verbose_cmd(linenr_T lnum, char_u *cmd) +{ + ++no_wait_return; + verbose_enter_scroll(); + + if (lnum == 0) + smsg(_("Executing: %s"), cmd); + else + smsg(_("line %ld: %s"), (long)lnum, cmd); + if (msg_silent == 0) + msg_puts("\n"); // don't overwrite this + + verbose_leave_scroll(); + --no_wait_return; +} + +/* + * 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); +} + +/* + * Execute the "+cmd" argument of "edit +cmd fname" and the like. + * This allows for using a range without ":" in Vim9 script. + */ + int +do_cmd_argument(char_u *cmd) +{ + return do_cmdline(cmd, NULL, NULL, + DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED|DOCMD_RANGEOK); +} + +/* + * 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, getline_opt_T), + 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 + cstack_T cstack; // conditional stack + garray_T lines_ga; // keep lines for ":while"/":for" + int current_line = 0; // active line in lines_ga + int current_line_before = 0; + 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; + msglist_T **saved_msg_list = NULL; + msglist_T *private_msg_list = NULL; + + // "fgetline" and "cookie" passed to do_one_cmd() + char_u *(*cmd_getline)(int, void *, int, getline_opt_T); + 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 + ESTACK_CHECK_DECLARATION + + // 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; +#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((cstack_T *)NULL, (char_u *)NULL); + msg_list = saved_msg_list; +#endif + return FAIL; + } + ++call_depth; + +#ifdef FEAT_EVAL + CLEAR_FIELD(cstack); + cstack.cs_idx = -1; + 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 + CLEAR_FIELD(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. + */ +#ifdef FEAT_EVAL + did_emsg_cumul += did_emsg; +#endif + 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 + ) + { +#ifdef FEAT_EVAL + did_emsg_cumul += did_emsg; +#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_CLEAR(cmdline_copy); + + // 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, SOURCING_LNUM); + else if (getline_equal(fgetline, cookie, getsourceline)) + script_line_start(); + } +# endif + } +#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 + , in_vim9script() ? GETLINE_CONCAT_CONTBAR + : GETLINE_CONCAT_CONT)) == 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 + /* + * Inside a while/for loop, and when the command looks like a ":while" + * or ":for", the line is stored, because we may need it later when + * looping. + * + * 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. + * + * Pass a different "fgetline" function to do_one_cmd() below, + * that it stores lines in or reads them from "lines_ga". Makes it + * possible to define a function inside a while/for loop and handles + * line continuation. + */ + if ((cstack.cs_looplevel > 0 || has_loop_cmd(next_cmdline))) + { + 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); + + // Save the current line when encountering it the first time. + if (current_line == lines_ga.ga_len + && store_loop_line(&lines_ga, next_cmdline) == FAIL) + { + retval = FAIL; + break; + } + current_line_before = current_line; + } + else + { + cmd_getline = fgetline; + cmd_cookie = cookie; + } + + 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; // don't wait for return until finished + ++RedrawingDisabled; + did_inc = TRUE; + } + } + + if ((p_verbose >= 15 && SOURCING_NAME != NULL) || p_verbose >= 16) + msg_verbose_cmd(SOURCING_LNUM, cmdline_copy); + + /* + * 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, +#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_CLEAR(cmdline_copy); + + /* + * If the command was typed, remember it for the ':' register. + * Do this AFTER executing the command to make :@: work. + */ + if (getline_equal(fgetline, cookie, getexline) + && new_last_cmdline != NULL) + { + vim_free(last_cmdline); + last_cmdline = new_last_cmdline; + new_last_cmdline = NULL; + } + } + 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(fgetline, cookie, get_func_line) + && !func_has_abort(real_cookie)) + { + // did_emsg_cumul is not set here + 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(fgetline, 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_before; + } + } + + // Check for the next breakpoint after a watchexpression + if (breakpoint != NULL && has_watchexpr()) + { + *breakpoint = dbg_find_breakpoint(FALSE, fname, SOURCING_LNUM); + *dbg_tick = debug_tick; + } + + /* + * 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 +#ifdef FEAT_EVAL + // Keep going when inside try/catch, so that the error can be + // deal with, except when it is a syntax error, it may cause + // the :endtry to be missed. + && (cstack.cs_trylevel == 0 || did_emsg_syntax) +#endif + && used_getline + && (getline_equal(fgetline, cookie, getexmodeline) + || getline_equal(fgetline, cookie, getexline))) + && (next_cmdline != NULL +#ifdef FEAT_EVAL + || cstack.cs_idx >= 0 +#endif + || (flags & DOCMD_REPEAT))); + + vim_free(cmdline_copy); + did_emsg_syntax = FALSE; +#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(fgetline, cookie, getsourceline) + && !source_finished(fgetline, cookie)) + || (getline_equal(fgetline, 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(fgetline, cookie, get_func_line) + ? (char_u *)"endfunction" : (char_u *)NULL); + + if (trylevel == 0) + { + // Just in case did_throw got set but current_exception wasn't. + if (current_exception == NULL) + did_throw = FALSE; + + /* + * 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) + { + char *p = NULL; + msglist_T *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 = (char *)vim_strsave(IObuff); + break; + case ET_ERROR: + messages = current_exception->messages; + current_exception->messages = NULL; + break; + case ET_INTERRUPT: + break; + } + + estack_push(ETYPE_EXCEPT, current_exception->throw_name, + current_exception->throw_lnum); + ESTACK_CHECK_SETUP + 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->sfile); + vim_free(messages); + messages = next; + } + while (messages != NULL); + } + else if (p != NULL) + { + emsg(p); + vim_free(p); + } + vim_free(SOURCING_NAME); + ESTACK_CHECK_NOW + estack_pop(); + } + + /* + * On an interrupt or an aborting error not converted to an exception, + * disable the conversion of errors to exceptions. (Interrupts are not + * converted anymore, 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(fgetline, cookie, getsourceline) + && ex_nesting_level > source_level(real_cookie)) + || (getline_equal(fgetline, 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(fgetline, 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(fgetline, cookie, getsourceline) + || getline_equal(fgetline, cookie, get_func_line)) + && ex_nesting_level + 1 <= debug_break_level) + do_debug(getline_equal(fgetline, 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; + + // Cleanup if "cs_emsg_silent_list" remains. + if (cstack.cs_emsg_silent_list != NULL) + { + eslist_T *elem, *temp; + + for (elem = cstack.cs_emsg_silent_list; elem != NULL; elem = temp) + { + temp = elem->next; + vim_free(elem); + } + } +#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); + } + } + +#ifdef FEAT_EVAL + did_endif = FALSE; // in case do_cmdline used recursively +#else + /* + * 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(int c, void *cookie, int indent, getline_opt_T options) +{ + 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, options); + else + line = cp->getline(c, cp->cookie, indent, options); + 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(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(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". + */ + int +getline_equal( + char_u *(*fgetline)(int, void *, int, getline_opt_T), + void *cookie UNUSED, // argument for fgetline() + char_u *(*func)(int, void *, int, getline_opt_T)) +{ +#ifdef FEAT_EVAL + char_u *(*gp)(int, void *, int, getline_opt_T); + 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 "fgetline" is get_loop_line(), return the cookie used by the original + * getline function. Otherwise return "cookie". + */ + void * +getline_cookie( + char_u *(*fgetline)(int, void *, int, getline_opt_T) UNUSED, + void *cookie) // argument for fgetline() +{ +#ifdef FEAT_EVAL + char_u *(*gp)(int, void *, int, getline_opt_T); + 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 +} + +#if defined(FEAT_EVAL) || defined(PROT) +/* + * Get the next line source line without advancing. + */ + char_u * +getline_peek( + char_u *(*fgetline)(int, void *, int, getline_opt_T) UNUSED, + void *cookie) // argument for fgetline() +{ + char_u *(*gp)(int, void *, int, getline_opt_T); + struct loop_cookie *cp; + wcmd_T *wp; + + // 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) + { + if (cp->current_line + 1 < cp->lines_gap->ga_len) + { + // executing lines a second time, use the stored copy + wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line + 1; + return wp->line; + } + gp = cp->getline; + cp = cp->cookie; + } + if (gp == getsourceline) + return source_nextline(cp); + return NULL; +} +#endif + + +/* + * Helper function to apply an offset for buffer commands, i.e. ":bdelete", + * ":bwipeout", etc. + * Returns the buffer number. + */ + static int +compute_buffer_local_count(int addr_type, int lnum, int offset) +{ + buf_T *buf; + buf_T *nextbuf; + int count = offset; + + buf = firstbuf; + while (buf->b_next != NULL && buf->b_fnum < lnum) + buf = buf->b_next; + while (count != 0) + { + count += (offset < 0) ? 1 : -1; + nextbuf = (offset < 0) ? buf->b_prev : buf->b_next; + if (nextbuf == NULL) + break; + buf = nextbuf; + if (addr_type == ADDR_LOADED_BUFFERS) + // skip over unloaded buffers + while (buf->b_ml.ml_mfp == NULL) + { + nextbuf = (offset < 0) ? buf->b_prev : buf->b_next; + if (nextbuf == NULL) + break; + buf = nextbuf; + } + } + // we might have gone too far, last buffer is not loadedd + if (addr_type == ADDR_LOADED_BUFFERS) + while (buf->b_ml.ml_mfp == NULL) + { + nextbuf = (offset >= 0) ? buf->b_prev : buf->b_next; + if (nextbuf == NULL) + break; + buf = nextbuf; + } + return buf->b_fnum; +} + +/* + * Return the window number of "win". + * When "win" is NULL return the number of windows. + */ + static int +current_win_nr(win_T *win) +{ + win_T *wp; + int nr = 0; + + FOR_ALL_WINDOWS(wp) + { + ++nr; + if (wp == win) + break; + } + return nr; +} + + static int +current_tab_nr(tabpage_T *tab) +{ + tabpage_T *tp; + int nr = 0; + + FOR_ALL_TABPAGES(tp) + { + ++nr; + if (tp == tab) + break; + } + return nr; +} + + static int +comment_start(char_u *p, int starts_with_colon UNUSED) +{ +#ifdef FEAT_EVAL + if (in_vim9script()) + return p[0] == '#' && !starts_with_colon; +#endif + return *p == '"'; +} + +# define CURRENT_WIN_NR current_win_nr(curwin) +# define LAST_WIN_NR current_win_nr(NULL) +# define CURRENT_TAB_NR current_tab_nr(curtab) +# define LAST_TAB_NR current_tab_nr(NULL) + +/* + * Execute one Ex command. + * + * If "flags" has DOCMD_VERBOSE, the command will be included in the error + * message. + * + * 1. skip comment lines and leading space + * 2. handle command modifiers + * 3. find the command + * 4. parse range + * 5. Parse the command. + * 6. parse arguments + * 7. 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( + char_u **cmdlinep, + int flags, +#ifdef FEAT_EVAL + cstack_T *cstack, +#endif + char_u *(*fgetline)(int, void *, int, getline_opt_T), + void *cookie) // argument for fgetline() +{ + char_u *p; + linenr_T lnum; + long n; + char *errormsg = NULL; // error message + char_u *after_modifier = NULL; + exarg_T ea; // Ex command arguments + cmdmod_T save_cmdmod; + int save_reg_executing = reg_executing; + int ni; // set when Not Implemented + char_u *cmd; + int starts_with_colon = FALSE; +#ifdef FEAT_EVAL + int may_have_range; + int vim9script = in_vim9script(); + int did_set_expr_line = FALSE; +#endif + int sourcing = flags & DOCMD_VERBOSE; + + CLEAR_FIELD(ea); + ea.line1 = 1; + ea.line2 = 1; +#ifdef FEAT_EVAL + ++ex_nesting_level; +#endif + + // When the last file has not been edited :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 + // avoid that an autocommand, e.g. QuitPre, does this + && !getline_equal(fgetline, cookie, getnextac)) + --quitmore; + + /* + * Reset browse, confirm, etc.. They are restored when returning, for + * recursive calls. + */ + save_cmdmod = cmdmod; + + // "#!anything" is handled like a comment. + if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!') + goto doend; + +/* + * 1. Skip comment lines and leading white space and colons. + * 2. Handle command modifiers. + */ + // The "ea" structure holds the arguments that can be used. + ea.cmd = *cmdlinep; + ea.cmdlinep = cmdlinep; + ea.getline = fgetline; + ea.cookie = cookie; +#ifdef FEAT_EVAL + ea.cstack = cstack; + starts_with_colon = *skipwhite(ea.cmd) == ':'; +#endif + if (parse_command_modifiers(&ea, &errormsg, &cmdmod, FALSE) == FAIL) + goto doend; + apply_cmdmod(&cmdmod); + + after_modifier = ea.cmd; + +#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 + +/* + * 3. Skip over the range to find the command. Let "p" point to after it. + * + * We need the command to know what kind of range it uses. + */ + cmd = ea.cmd; +#ifdef FEAT_EVAL + // In Vim9 script a colon is required before the range. This may also be + // after command modifiers. + if (vim9script && (flags & DOCMD_RANGEOK) == 0) + { + may_have_range = FALSE; + for (p = ea.cmd; p >= *cmdlinep; --p) + { + if (*p == ':') + may_have_range = TRUE; + if (p < ea.cmd && !VIM_ISWHITE(*p)) + break; + } + } + else + may_have_range = TRUE; + if (may_have_range) +#endif + ea.cmd = skip_range(ea.cmd, TRUE, NULL); + +#ifdef FEAT_EVAL + if (vim9script && !may_have_range) + { + if (ea.cmd == cmd + 1 && *cmd == '$') + // should be "$VAR = val" + --ea.cmd; + p = find_ex_command(&ea, NULL, lookup_scriptvar, NULL); + if (ea.cmdidx == CMD_SIZE) + { + char_u *ar = skip_range(ea.cmd, TRUE, NULL); + + // If a ':' before the range is missing, give a clearer error + // message. + if (ar > ea.cmd) + { + semsg(_(e_colon_required_before_range_str), ea.cmd); + goto doend; + } + } + } + else +#endif + p = find_ex_command(&ea, NULL, NULL, NULL); + +#ifdef FEAT_EVAL +# ifdef FEAT_PROFILE + // Count this line for profiling if skip is TRUE. + if (do_profiling == PROF_YES + && (!ea.skip || cstack->cs_idx == 0 || (cstack->cs_idx > 0 + && (cstack->cs_flags[cstack->cs_idx - 1] & CSF_ACTIVE)))) + { + int skip = did_emsg || got_int || did_throw; + + if (ea.cmdidx == CMD_catch) + skip = !skip && !(cstack->cs_idx >= 0 + && (cstack->cs_flags[cstack->cs_idx] & CSF_THROWN) + && !(cstack->cs_flags[cstack->cs_idx] & CSF_CAUGHT)); + else if (ea.cmdidx == CMD_else || ea.cmdidx == CMD_elseif) + skip = skip || !(cstack->cs_idx >= 0 + && !(cstack->cs_flags[cstack->cs_idx] + & (CSF_ACTIVE | CSF_TRUE))); + else if (ea.cmdidx == CMD_finally) + skip = FALSE; + else if (ea.cmdidx != CMD_endif + && ea.cmdidx != CMD_endfor + && ea.cmdidx != CMD_endtry + && ea.cmdidx != CMD_endwhile) + skip = ea.skip; + + if (!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 + +/* + * 4. 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. + */ + + // ea.addr_type for user commands is set by find_ucmd + if (!IS_USER_CMDIDX(ea.cmdidx)) + { + if (ea.cmdidx != CMD_SIZE) + ea.addr_type = cmdnames[(int)ea.cmdidx].cmd_addr_type; + else + ea.addr_type = ADDR_LINES; + + // :wincmd range depends on the argument. + if (ea.cmdidx == CMD_wincmd && p != NULL) + get_wincmd_addr_type(skipwhite(p), &ea); +#ifdef FEAT_QUICKFIX + // :.cc in quickfix window uses line number + if ((ea.cmdidx == CMD_cc || ea.cmdidx == CMD_ll) && bt_quickfix(curbuf)) + ea.addr_type = ADDR_OTHER; +#endif + } + + ea.cmd = cmd; +#ifdef FEAT_EVAL + if (!may_have_range) + ea.line1 = ea.line2 = default_address(&ea); + else +#endif + if (parse_cmd_address(&ea, &errormsg, FALSE) == FAIL) + goto doend; + +/* + * 5. Parse the 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 || comment_start(ea.cmd, starts_with_colon) + || (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 = EX_RANGE+EX_COUNT+EX_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 = _(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; + } + + // If this looks like an undefined user command and there are CmdUndefined + // autocommands defined, trigger the matching autocommands. + if (p != NULL && ea.cmdidx == CMD_SIZE && !ea.skip + && ASCII_ISUPPER(*ea.cmd) + && has_cmdundefined()) + { + int ret; + + p = ea.cmd; + while (ASCII_ISALNUM(*p)) + ++p; + p = vim_strnsave(ea.cmd, p - ea.cmd); + ret = apply_autocmds(EVENT_CMDUNDEFINED, p, p, TRUE, NULL); + vim_free(p); + // If the autocommands did something and didn't cause an error, try + // finding the command again. + p = (ret +#ifdef FEAT_EVAL + && !aborting() +#endif + ) ? find_ex_command(&ea, NULL, NULL, NULL) : ea.cmd; + } + + if (p == NULL) + { + if (!ea.skip) + errormsg = _(e_ambiguous_use_of_user_defined_command); + goto doend; + } + // Check for wrong commands. + if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78 + && !IS_USER_CMDIDX(ea.cmdidx)) + { + errormsg = uc_fun_cmd(); + goto doend; + } + + if (ea.cmdidx == CMD_SIZE) + { + if (!ea.skip) + { + STRCPY(IObuff, _("E492: Not an editor command")); + if (!sourcing) + { + // If the modifier was parsed OK the error must be in the + // following command + if (after_modifier != NULL) + append_command(after_modifier); + else + append_command(*cmdlinep); + } + errormsg = (char *)IObuff; + did_emsg_syntax = TRUE; + } + goto doend; + } + + ni = (!IS_USER_CMDIDX(ea.cmdidx) + && (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; + +/* + * 6. Parse arguments. Then check for errors. + */ + if (!IS_USER_CMDIDX(ea.cmdidx)) + ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt; + + if (!ea.skip) + { +#ifdef HAVE_SANDBOX + if (sandbox != 0 && !(ea.argt & EX_SBOXOK)) + { + // Command not allowed in sandbox. + errormsg = _(e_sandbox); + goto doend; + } +#endif + if (restricted != 0 && (ea.argt & EX_RESTRICT)) + { + errormsg = _("E981: Command not allowed in rvim"); + goto doend; + } + if (!curbuf->b_p_ma && (ea.argt & EX_MODIFY)) + { + // Command not allowed in non-'modifiable' buffer + errormsg = _(e_modifiable); + goto doend; + } + + if (!IS_USER_CMDIDX(ea.cmdidx)) + { +#ifdef FEAT_CMDWIN + if (cmdwin_type != 0 && !(ea.argt & EX_CMDWIN)) + { + // Command not allowed in the command line window + errormsg = _(e_cmdwin); + goto doend; + } +#endif + if (text_locked() && !(ea.argt & EX_LOCK_OK)) + { + // Command not allowed when text is locked + errormsg = _(get_text_locked_msg()); + goto doend; + } + } + + // Disallow editing another buffer when "curbuf_lock" is set. + // Do allow ":checktime" (it is postponed). + // Do allow ":edit" (check for an argument later). + // Do allow ":file" with no arguments (check for an argument later). + if (!(ea.argt & (EX_CMDWIN | EX_LOCK_OK)) + && ea.cmdidx != CMD_checktime + && ea.cmdidx != CMD_edit + && ea.cmdidx != CMD_file + && !IS_USER_CMDIDX(ea.cmdidx) + && curbuf_locked()) + goto doend; + + if (!ni && !(ea.argt & EX_RANGE) && ea.addr_count > 0) + { + // no range allowed + errormsg = _(e_norange); + goto doend; + } + } + + if (!ni && !(ea.argt & EX_BANG) && ea.forceit) // no <!> allowed + { + errormsg = _(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 && (ea.argt & EX_RANGE)) + { + /* + * 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 = _("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.addr_type == ADDR_OTHER) && ea.addr_count == 0) + // default is 1, not cursor + ea.line2 = 1; + + correct_range(&ea); + +#ifdef FEAT_FOLDING + if (((ea.argt & EX_WHOLEFOLD) || ea.addr_count >= 2) && !global_busy + && ea.addr_type == ADDR_LINES) + { + // 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); + + // ":file" cannot be run with an argument when "curbuf_lock" is set + if (ea.cmdidx == CMD_file && *ea.arg != NUL && curbuf_locked()) + goto doend; + + /* + * Check for "++opt=val" argument. + * Must be first, allow ":w ++enc=utf8 !cmd" + */ + if (ea.argt & EX_ARGOPT) + while (ea.arg[0] == '+' && ea.arg[1] == '+') + if (getargopt(&ea) == FAIL && !ni) + { + errormsg = _(e_invarg); + goto doend; + } + + if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update) + { + if (*ea.arg == '>') // append + { + if (*++ea.arg != '>') // typed wrong + { + errormsg = _("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 & EX_CMDARG) && !ea.usefilter) + ea.do_ecmd_cmd = getargcmd(&ea.arg); + + /* + * Check for '|' to separate commands and '"' or '#' to start comments. + * Don't do this for ":read !cmd" and ":write !cmd". + */ + if ((ea.argt & EX_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_terminal + || 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 & EX_DFLALL) && ea.addr_count == 0) + address_default_all(&ea); + + // accept numbered register only when no count allowed (:put) + if ( (ea.argt & EX_REGSTR) + && *ea.arg != NUL + // Do not allow register = for user commands + && (!IS_USER_CMDIDX(ea.cmdidx) || *ea.arg != '=') + && !((ea.argt & EX_COUNT) && VIM_ISDIGIT(*ea.arg))) + { +#ifndef FEAT_CLIPBOARD + // check these explicitly for a more specific error message + if (*ea.arg == '*' || *ea.arg == '+') + { + errormsg = _(e_invalidreg); + goto doend; + } +#endif + if (valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put + && !IS_USER_CMDIDX(ea.cmdidx)))) + { + 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); + ea.arg += STRLEN(ea.arg); + did_set_expr_line = TRUE; + } +#endif + ea.arg = skipwhite(ea.arg); + } + } + + /* + * Check for a count. When accepting a EX_BUFNAME, don't use "123foo" as a + * count, it's a buffer name. + */ + if ((ea.argt & EX_COUNT) && VIM_ISDIGIT(*ea.arg) + && (!(ea.argt & EX_BUFNAME) || *(p = skipdigits(ea.arg)) == NUL + || VIM_ISWHITE(*p))) + { + n = getdigits(&ea.arg); + ea.arg = skipwhite(ea.arg); + if (n <= 0 && !ni && (ea.argt & EX_ZEROR) == 0) + { + errormsg = _(e_zerocount); + goto doend; + } + if (ea.addr_type != ADDR_LINES) // 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 & EX_FLAGS) + get_flags(&ea); + if (!ni && !(ea.argt & EX_EXTRA) && *ea.arg != NUL + && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & EX_TRLBAR) == 0)) + { + // no arguments allowed but there is something + errormsg = ex_errmsg(e_trailing_arg, ea.arg); + goto doend; + } + + if (!ni && (ea.argt & EX_NEEDARG) && *ea.arg == NUL) + { + errormsg = _(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: + case CMD_def: + break; + + // Commands that handle '|' themselves. Check: A command should + // either have the EX_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_const: + 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_eval: + case CMD_execute: + case CMD_filter: + case CMD_final: + 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_keeppatterns: + case CMD_leftabove: + case CMD_let: + case CMD_lockmarks: + case CMD_lockvar: + case CMD_lua: + case CMD_match: + case CMD_mzscheme: + case CMD_noautocmd: + case CMD_noswapfile: + case CMD_perl: + case CMD_psearch: + case CMD_py3: + case CMD_python3: + 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_unlockvar: + case CMD_var: + case CMD_verbose: + case CMD_vertical: + case CMD_wincmd: + break; + + default: goto doend; + } + } +#endif + + if (ea.argt & EX_XFILE) + { + if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL) + goto doend; + } + + /* + * 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 & EX_BUFNAME) && *ea.arg != NUL && ea.addr_count == 0 + && !IS_USER_CMDIDX(ea.cmdidx)) + { + /* + * :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 & EX_BUFUNL) != 0, + FALSE, FALSE); + if (ea.line2 < 0) // failed + goto doend; + ea.addr_count = 1; + ea.arg = skipwhite(p); + } + + // The :try command saves the emsg_silent flag, reset it here when + // ":silent! try" was used, it should only apply to :try itself. + if (ea.cmdidx == CMD_try && cmdmod.cmod_did_esilent > 0) + { + emsg_silent -= cmdmod.cmod_did_esilent; + if (emsg_silent < 0) + emsg_silent = 0; + cmdmod.cmod_did_esilent = 0; + } + +/* + * 7. Execute the command. + */ + + if (IS_USER_CMDIDX(ea.cmdidx)) + { + /* + * Execute a user-defined command. + */ + do_ucmd(&ea); + } + else + { + /* + * Call the function to execute the builtin command. + */ + ea.errmsg = NULL; + (cmdnames[ea.cmdidx].cmd_func)(&ea); + if (ea.errmsg != NULL) + errormsg = ea.errmsg; + } + +#ifdef FEAT_EVAL + // Set flag that any command was executed, used by ex_vim9script(). + if (getline_equal(ea.getline, ea.cookie, getsourceline) + && current_sctx.sc_sid > 0) + SCRIPT_ITEM(current_sctx.sc_sid)->sn_state = SN_STATE_HAD_COMMAND; + + /* + * 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; + curwin->w_cursor.col = 0; + } + + if (errormsg != NULL && *errormsg != NUL && !did_emsg) + { + if (sourcing) + { + if (errormsg != (char *)IObuff) + { + STRCPY(IObuff, errormsg); + errormsg = (char *)IObuff; + } + append_command(*cmdlinep); + } + emsg(errormsg); + } +#ifdef FEAT_EVAL + do_errthrow(cstack, + (ea.cmdidx != CMD_SIZE && !IS_USER_CMDIDX(ea.cmdidx)) + ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL); + + if (did_set_expr_line) + set_expr_line(NULL, NULL); +#endif + + undo_cmdmod(&cmdmod); + cmdmod = save_cmdmod; + reg_executing = save_reg_executing; + + if (ea.nextcmd && *ea.nextcmd == NUL) // not really a next command + ea.nextcmd = NULL; + +#ifdef FEAT_EVAL + --ex_nesting_level; + vim_free(ea.cmdline_tofree); +#endif + + return ea.nextcmd; +} +#if (_MSC_VER == 1200) + #pragma optimize( "", on ) +#endif + +static char ex_error_buf[MSG_BUF_LEN]; + +/* + * Return an error message with argument included. + * Uses a static buffer, only the last error will be kept. + * "msg" will be translated, caller should use N_(). + */ + char * +ex_errmsg(char *msg, char_u *arg) +{ + vim_snprintf(ex_error_buf, MSG_BUF_LEN, _(msg), arg); + return ex_error_buf; +} + +/* + * Parse and skip over command modifiers: + * - update eap->cmd + * - store flags in "cmod". + * - Set ex_pressedreturn for an empty command line. + * When "skip_only" is TRUE the global variables are not changed, except for + * "cmdmod". + * When "skip_only" is FALSE then undo_cmdmod() must be called later to free + * any cmod_filter_regmatch.regprog. + * Call apply_cmdmod() to get the side effects of the modifiers: + * - Increment "sandbox" for ":sandbox" + * - set p_verbose for ":verbose" + * - set msg_silent for ":silent" + * - set 'eventignore' to "all" for ":noautocmd" + * Return FAIL when the command is not to be executed. + * May set "errormsg" to an error message. + */ + int +parse_command_modifiers( + exarg_T *eap, + char **errormsg, + cmdmod_T *cmod, + int skip_only) +{ + char_u *p; + int starts_with_colon = FALSE; + + CLEAR_POINTER(cmod); + + // Repeat until no more command modifiers are found. + for (;;) + { + while (*eap->cmd == ' ' || *eap->cmd == '\t' || *eap->cmd == ':') + { + if (*eap->cmd == ':') + starts_with_colon = TRUE; + ++eap->cmd; + } + + // in ex mode, an empty line works like :+ + if (*eap->cmd == NUL && exmode_active + && (getline_equal(eap->getline, eap->cookie, getexmodeline) + || getline_equal(eap->getline, eap->cookie, getexline)) + && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) + { + eap->cmd = (char_u *)"+"; + if (!skip_only) + ex_pressedreturn = TRUE; + } + + // ignore comment and empty lines + if (comment_start(eap->cmd, starts_with_colon)) + return FAIL; + if (*eap->cmd == NUL) + { + if (!skip_only) + ex_pressedreturn = TRUE; + return FAIL; + } + + p = skip_range(eap->cmd, TRUE, NULL); + + // In Vim9 script a variable can shadow a command modifier: + // verbose = 123 + // verbose += 123 + // silent! verbose = func() + // verbose.member = 2 + // verbose[expr] = 2 + // But not: + // verbose [a, b] = list + if (in_vim9script()) + { + char_u *s, *n; + + for (s = p; ASCII_ISALPHA(*s); ++s) + ; + n = skipwhite(s); + if (vim_strchr((char_u *)".=", *n) != NULL + || *s == '[' + || (*n != NUL && n[1] == '=')) + break; + } + + switch (*p) + { + // When adding an entry, also modify cmd_exists(). + case 'a': if (!checkforcmd(&eap->cmd, "aboveleft", 3)) + break; + cmod->cmod_split |= WSP_ABOVE; + continue; + + case 'b': if (checkforcmd(&eap->cmd, "belowright", 3)) + { + cmod->cmod_split |= WSP_BELOW; + continue; + } + if (checkforcmd(&eap->cmd, "browse", 3)) + { +#ifdef FEAT_BROWSE_CMD + cmod->cmod_flags |= CMOD_BROWSE; +#endif + continue; + } + if (!checkforcmd(&eap->cmd, "botright", 2)) + break; + cmod->cmod_split |= WSP_BOT; + continue; + + case 'c': if (!checkforcmd(&eap->cmd, "confirm", 4)) + break; +#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) + cmod->cmod_flags |= CMOD_CONFIRM; +#endif + continue; + + case 'k': if (checkforcmd(&eap->cmd, "keepmarks", 3)) + { + cmod->cmod_flags |= CMOD_KEEPMARKS; + continue; + } + if (checkforcmd(&eap->cmd, "keepalt", 5)) + { + cmod->cmod_flags |= CMOD_KEEPALT; + continue; + } + if (checkforcmd(&eap->cmd, "keeppatterns", 5)) + { + cmod->cmod_flags |= CMOD_KEEPPATTERNS; + continue; + } + if (!checkforcmd(&eap->cmd, "keepjumps", 5)) + break; + cmod->cmod_flags |= CMOD_KEEPJUMPS; + continue; + + case 'f': // only accept ":filter {pat} cmd" + { + char_u *reg_pat; + + if (!checkforcmd(&p, "filter", 4) + || *p == NUL || ends_excmd(*p)) + break; + if (*p == '!') + { + cmod->cmod_filter_force = TRUE; + p = skipwhite(p + 1); + if (*p == NUL || ends_excmd(*p)) + break; + } +#ifdef FEAT_EVAL + // Avoid that "filter(arg)" is recognized. + if (in_vim9script() && !VIM_ISWHITE(p[-1])) + break; +#endif + if (skip_only) + p = skip_vimgrep_pat(p, NULL, NULL); + else + // NOTE: This puts a NUL after the pattern. + p = skip_vimgrep_pat(p, ®_pat, NULL); + if (p == NULL || *p == NUL) + break; + if (!skip_only) + { + cmod->cmod_filter_regmatch.regprog = + vim_regcomp(reg_pat, RE_MAGIC); + if (cmod->cmod_filter_regmatch.regprog == NULL) + break; + } + eap->cmd = p; + continue; + } + + // ":hide" and ":hide | cmd" are not modifiers + case 'h': if (p != eap->cmd || !checkforcmd(&p, "hide", 3) + || *p == NUL || ends_excmd(*p)) + break; + eap->cmd = p; + cmod->cmod_flags |= CMOD_HIDE; + continue; + + case 'l': if (checkforcmd(&eap->cmd, "lockmarks", 3)) + { + cmod->cmod_flags |= CMOD_LOCKMARKS; + continue; + } + + if (!checkforcmd(&eap->cmd, "leftabove", 5)) + break; + cmod->cmod_split |= WSP_ABOVE; + continue; + + case 'n': if (checkforcmd(&eap->cmd, "noautocmd", 3)) + { + cmod->cmod_flags |= CMOD_NOAUTOCMD; + continue; + } + if (!checkforcmd(&eap->cmd, "noswapfile", 3)) + break; + cmod->cmod_flags |= CMOD_NOSWAPFILE; + continue; + + case 'r': if (!checkforcmd(&eap->cmd, "rightbelow", 6)) + break; + cmod->cmod_split |= WSP_BELOW; + continue; + + case 's': if (checkforcmd(&eap->cmd, "sandbox", 3)) + { + cmod->cmod_flags |= CMOD_SANDBOX; + continue; + } + if (!checkforcmd(&eap->cmd, "silent", 3)) + break; + cmod->cmod_flags |= CMOD_SILENT; + if (*eap->cmd == '!' && !VIM_ISWHITE(eap->cmd[-1])) + { + // ":silent!", but not "silent !cmd" + eap->cmd = skipwhite(eap->cmd + 1); + cmod->cmod_flags |= CMOD_ERRSILENT; + } + continue; + + case 't': if (checkforcmd(&p, "tab", 3)) + { + if (!skip_only) + { + long tabnr = get_address(eap, &eap->cmd, + ADDR_TABS, eap->skip, + skip_only, FALSE, 1); + if (tabnr == MAXLNUM) + cmod->cmod_tab = tabpage_index(curtab) + 1; + else + { + if (tabnr < 0 || tabnr > LAST_TAB_NR) + { + *errormsg = _(e_invrange); + return FAIL; + } + cmod->cmod_tab = tabnr + 1; + } + } + eap->cmd = p; + continue; + } + if (!checkforcmd(&eap->cmd, "topleft", 2)) + break; + cmod->cmod_split |= WSP_TOP; + continue; + + case 'u': if (!checkforcmd(&eap->cmd, "unsilent", 3)) + break; + cmod->cmod_flags |= CMOD_UNSILENT; + continue; + + case 'v': if (checkforcmd(&eap->cmd, "vertical", 4)) + { + cmod->cmod_split |= WSP_VERT; + continue; + } + if (!checkforcmd(&p, "verbose", 4)) + break; + if (vim_isdigit(*eap->cmd)) + cmod->cmod_verbose = atoi((char *)eap->cmd); + else + cmod->cmod_verbose = 1; + eap->cmd = p; + continue; + } + break; + } + + return OK; +} + +/* + * Apply the command modifiers. Saves current state in "cmdmod", call + * undo_cmdmod() later. + */ + void +apply_cmdmod(cmdmod_T *cmod) +{ +#ifdef HAVE_SANDBOX + if ((cmod->cmod_flags & CMOD_SANDBOX) && !cmod->cmod_did_sandbox) + { + ++sandbox; + cmod->cmod_did_sandbox = TRUE; + } +#endif + if (cmod->cmod_verbose > 0) + { + if (cmod->cmod_verbose_save == 0) + cmod->cmod_verbose_save = p_verbose + 1; + p_verbose = cmod->cmod_verbose; + } + + if ((cmod->cmod_flags & (CMOD_SILENT | CMOD_UNSILENT)) + && cmod->cmod_save_msg_silent == 0) + { + cmod->cmod_save_msg_silent = msg_silent + 1; + cmod->cmod_save_msg_scroll = msg_scroll; + } + if (cmod->cmod_flags & CMOD_SILENT) + ++msg_silent; + if (cmod->cmod_flags & CMOD_UNSILENT) + msg_silent = 0; + + if (cmod->cmod_flags & CMOD_ERRSILENT) + { + ++emsg_silent; + ++cmod->cmod_did_esilent; + } + + if ((cmod->cmod_flags & CMOD_NOAUTOCMD) && cmod->cmod_save_ei == NULL) + { + // Set 'eventignore' to "all". + // First save the existing option value for restoring it later. + cmod->cmod_save_ei = vim_strsave(p_ei); + set_string_option_direct((char_u *)"ei", -1, + (char_u *)"all", OPT_FREE, SID_NONE); + } +} + +/* + * Undo and free contents of "cmod". + */ + void +undo_cmdmod(cmdmod_T *cmod) +{ + if (cmod->cmod_verbose_save > 0) + { + p_verbose = cmod->cmod_verbose_save - 1; + cmod->cmod_verbose_save = 0; + } + +#ifdef HAVE_SANDBOX + if (cmod->cmod_did_sandbox) + { + --sandbox; + cmod->cmod_did_sandbox = FALSE; + } +#endif + + if (cmod->cmod_save_ei != NULL) + { + // Restore 'eventignore' to the value before ":noautocmd". + set_string_option_direct((char_u *)"ei", -1, cmod->cmod_save_ei, + OPT_FREE, SID_NONE); + free_string_option(cmod->cmod_save_ei); + cmod->cmod_save_ei = NULL; + } + + vim_regfree(cmod->cmod_filter_regmatch.regprog); + + if (cmod->cmod_save_msg_silent > 0) + { + // messages could be enabled for a serious error, need to check if the + // counters don't become negative + if (!did_emsg || msg_silent > cmod->cmod_save_msg_silent - 1) + msg_silent = cmod->cmod_save_msg_silent - 1; + emsg_silent -= cmod->cmod_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 = cmod->cmod_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; + + cmod->cmod_save_msg_silent = 0; + cmod->cmod_did_esilent = 0; + } +} + +/* + * Parse the address range, if any, in "eap". + * May set the last search pattern, unless "silent" is TRUE. + * Return FAIL and set "errormsg" or return OK. + */ + int +parse_cmd_address(exarg_T *eap, char **errormsg, int silent) +{ + int address_count = 1; + linenr_T lnum; + + // Repeat for all ',' or ';' separated addresses. + for (;;) + { + eap->line1 = eap->line2; + eap->line2 = default_address(eap); + eap->cmd = skipwhite(eap->cmd); + lnum = get_address(eap, &eap->cmd, eap->addr_type, eap->skip, silent, + eap->addr_count == 0, address_count++); + if (eap->cmd == NULL) // error detected + return FAIL; + if (lnum == MAXLNUM) + { + if (*eap->cmd == '%') // '%' - all lines + { + ++eap->cmd; + switch (eap->addr_type) + { + case ADDR_LINES: + case ADDR_OTHER: + eap->line1 = 1; + eap->line2 = curbuf->b_ml.ml_line_count; + break; + case ADDR_LOADED_BUFFERS: + { + buf_T *buf = firstbuf; + + while (buf->b_next != NULL + && buf->b_ml.ml_mfp == NULL) + buf = buf->b_next; + eap->line1 = buf->b_fnum; + buf = lastbuf; + while (buf->b_prev != NULL + && buf->b_ml.ml_mfp == NULL) + buf = buf->b_prev; + eap->line2 = buf->b_fnum; + break; + } + case ADDR_BUFFERS: + eap->line1 = firstbuf->b_fnum; + eap->line2 = lastbuf->b_fnum; + break; + case ADDR_WINDOWS: + case ADDR_TABS: + if (IS_USER_CMDIDX(eap->cmdidx)) + { + eap->line1 = 1; + eap->line2 = eap->addr_type == ADDR_WINDOWS + ? LAST_WIN_NR : LAST_TAB_NR; + } + else + { + // there is no Vim command which uses '%' and + // ADDR_WINDOWS or ADDR_TABS + *errormsg = _(e_invrange); + return FAIL; + } + break; + case ADDR_TABS_RELATIVE: + case ADDR_UNSIGNED: + case ADDR_QUICKFIX: + *errormsg = _(e_invrange); + return FAIL; + case ADDR_ARGUMENTS: + if (ARGCOUNT == 0) + eap->line1 = eap->line2 = 0; + else + { + eap->line1 = 1; + eap->line2 = ARGCOUNT; + } + break; + case ADDR_QUICKFIX_VALID: +#ifdef FEAT_QUICKFIX + eap->line1 = 1; + eap->line2 = qf_get_valid_size(eap); + if (eap->line2 == 0) + eap->line2 = 1; +#endif + break; + case ADDR_NONE: + // Will give an error later if a range is found. + break; + } + ++eap->addr_count; + } + else if (*eap->cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL) + { + pos_T *fp; + + // '*' - visual area + if (eap->addr_type != ADDR_LINES) + { + *errormsg = _(e_invrange); + return FAIL; + } + + ++eap->cmd; + if (!eap->skip) + { + fp = getmark('<', FALSE); + if (check_mark(fp) == FAIL) + return FAIL; + eap->line1 = fp->lnum; + fp = getmark('>', FALSE); + if (check_mark(fp) == FAIL) + return FAIL; + eap->line2 = fp->lnum; + ++eap->addr_count; + } + } + } + else + eap->line2 = lnum; + eap->addr_count++; + + if (*eap->cmd == ';') + { + if (!eap->skip) + { + curwin->w_cursor.lnum = eap->line2; + // Don't leave the cursor on an illegal line or column, but do + // accept zero as address, so 0;/PATTERN/ works correctly. + if (eap->line2 > 0) + check_cursor(); + } + } + else if (*eap->cmd != ',') + break; + ++eap->cmd; + } + + // One address given: set start and end lines. + if (eap->addr_count == 1) + { + eap->line1 = eap->line2; + // ... but only implicit: really no address given + if (lnum == MAXLNUM) + eap->addr_count = 0; + } + return OK; +} + +/* + * Check for an Ex command with optional tail. + * If there is a match advance "pp" to the argument and return TRUE. + */ + int +checkforcmd( + 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 (((char_u *)cmd)[i] != (*pp)[i]) + break; + if (i >= len && !isalpha((*pp)[i]) && (*pp)[i] != '_') + { + *pp = skipwhite(*pp + i); + return TRUE; + } + return FALSE; +} + +/* + * Append "cmd" to the error message in IObuff. + * Takes care of limiting the length and handling 0xa0, which would be + * invisible otherwise. + */ + static void +append_command(char_u *cmd) +{ + char_u *s = cmd; + char_u *d; + + STRCAT(IObuff, ": "); + d = IObuff + STRLEN(IObuff); + while (*s != NUL && d - IObuff < IOSIZE - 7) + { + if (enc_utf8 ? (s[0] == 0xc2 && s[1] == 0xa0) : *s == 0xa0) + { + s += enc_utf8 ? 2 : 1; + STRCPY(d, "<a0>"); + d += 4; + } + else + MB_COPY_CHAR(s, d); + } + *d = NUL; +} + +/* + * If "start" points "&opt", "&l:opt", "&g:opt" or "$ENV" return a pointer to + * the name. Otherwise just return "start". + */ + char_u * +skip_option_env_lead(char_u *start) +{ + char_u *name = start; + + if (*start == '&') + { + if ((start[1] == 'l' || start[1] == 'g') && start[2] == ':') + name += 3; + else + name += 1; + } + else if (*start == '$') + name += 1; + return name; +} + +/* + * Find an Ex command by its name, either built-in or user. + * Start of the name can be found at eap->cmd. + * Sets eap->cmdidx and returns a pointer to char after the command name. + * "full" is set to TRUE if the whole command name matched. + * + * If "lookup" is not NULL recognize expression without "eval" or "call" and + * assignment without "let". Sets eap->cmdidx to the command while returning + * "eap->cmd". + * + * Returns NULL for an ambiguous user command. + */ + char_u * +find_ex_command( + exarg_T *eap, + int *full UNUSED, + int (*lookup)(char_u *, size_t, void *, cctx_T *) UNUSED, + cctx_T *cctx UNUSED) +{ + int len; + char_u *p; + int i; + +#ifdef FEAT_EVAL + /* + * Recognize a Vim9 script function/method call and assignment: + * "lvar = value", "lvar(arg)", "[1, 2 3]->Func()" + */ + p = eap->cmd; + if (lookup != NULL) + { + char_u *pskip = skip_option_env_lead(eap->cmd); + + if (vim_strchr((char_u *)"{('[\"@", *p) != NULL + || ((p = to_name_const_end(pskip)) > eap->cmd && *p != NUL)) + { + int oplen; + int heredoc; + char_u *swp = skipwhite(p); + + if ( + // "(..." is an expression. + // "funcname(" is always a function call. + *p == '(' + || (p == eap->cmd + ? ( + // "{..." is a dict expression or block start. + *eap->cmd == '{' + // "'string'->func()" is an expression. + || *eap->cmd == '\'' + // '"string"->func()' is an expression. + || *eap->cmd == '"' + // "g:varname" is an expression. + || eap->cmd[1] == ':' + ) + // "varname->func()" is an expression. + : (*swp == '-' && swp[1] == '>'))) + { + if (*eap->cmd == '{' && ends_excmd(*skipwhite(eap->cmd + 1))) + { + // "{" by itself is the start of a block. + eap->cmdidx = CMD_block; + return eap->cmd + 1; + } + eap->cmdidx = CMD_eval; + return eap->cmd; + } + + if (p != eap->cmd && ( + // "varname[]" is an expression. + *p == '[' + // "varname.key" is an expression. + || (*p == '.' && ASCII_ISALPHA(p[1])))) + { + char_u *after = p; + + // When followed by "=" or "+=" then it is an assignment. + ++emsg_silent; + if (*after == '.') + after = skipwhite(after + 1); + if (skip_expr(&after, NULL) == OK) + after = skipwhite(after); + else + after = (char_u *)""; + if (*after == '=' || (*after != NUL && after[1] == '=') + || (after[0] == '.' && after[1] == '.' + && after[2] == '=')) + eap->cmdidx = CMD_var; + else + eap->cmdidx = CMD_eval; + --emsg_silent; + return eap->cmd; + } + + // "[...]->Method()" is a list expression, but "[a, b] = Func()" is + // an assignment. + // If there is no line break inside the "[...]" then "p" is + // advanced to after the "]" by to_name_const_end(): check if a "=" + // follows. + // If "[...]" has a line break "p" still points at the "[" and it + // can't be an assignment. + if (*eap->cmd == '[') + { + p = to_name_const_end(eap->cmd); + if (p == eap->cmd && *p == '[') + { + int count = 0; + int semicolon = FALSE; + + p = skip_var_list(eap->cmd, TRUE, &count, &semicolon, TRUE); + } + if (p == NULL || p == eap->cmd || *skipwhite(p) != '=') + { + eap->cmdidx = CMD_eval; + return eap->cmd; + } + if (p > eap->cmd && *skipwhite(p) == '=') + { + eap->cmdidx = CMD_var; + return eap->cmd; + } + } + + // Recognize an assignment if we recognize the variable name: + // "g:var = expr" + // "var = expr" where "var" is a local var name. + if (*eap->cmd == '@') + p = eap->cmd + 2; + oplen = assignment_len(skipwhite(p), &heredoc); + if (oplen > 0) + { + if (((p - eap->cmd) > 2 && eap->cmd[1] == ':') + || *eap->cmd == '&' + || *eap->cmd == '$' + || *eap->cmd == '@' + || lookup(eap->cmd, p - eap->cmd, NULL, cctx) == OK) + { + eap->cmdidx = CMD_var; + return eap->cmd; + } + } + + // Recognize using a type for a w:, b:, t: or g: variable: + // "w:varname: number = 123". + if (eap->cmd[1] == ':' && *p == ':') + { + eap->cmdidx = CMD_eval; + return eap->cmd; + } + } + } +#endif + + /* + * 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 :scr[iptnames], + * :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] == NUL || (p[2] != 's' && p[2] != 'r' + && (p[3] == NUL || (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; + // for python 3.x support ":py3", ":python3", ":py3file", etc. + if (eap->cmd[0] == 'p' && eap->cmd[1] == 'y') + { + while (ASCII_ISALNUM(*p)) + ++p; + } + else if (*p == '9' && STRNCMP("vim9", eap->cmd, 4) == 0) + { + // include "9" for "vim9script" + ++p; + 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] != ((char_u *)"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[0])) + { + int c1 = eap->cmd[0]; + int c2 = len == 1 ? NUL : eap->cmd[1]; + + if (command_count != (int)CMD_SIZE) + { + iemsg(_("E943: Command table needs to be updated, run 'make cmdidxs'")); + getout(1); + } + + // Use a precomputed index for fast look-up in cmdnames[] + // taking into account the first 2 letters of eap->cmd. + eap->cmdidx = cmdidxs1[CharOrdLow(c1)]; + if (ASCII_ISLOWER(c2)) + eap->cmdidx += cmdidxs2[CharOrdLow(c1)][CharOrdLow(c2)]; + } + else if (ASCII_ISUPPER(eap->cmd[0])) + eap->cmdidx = CMD_Next; + else + eap->cmdidx = CMD_bang; + + 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; + } + + // Not not recognize ":*" as the star command unless '*' is in + // 'cpoptions'. + if (eap->cmdidx == CMD_star && vim_strchr(p_cpo, CPO_STAR) == NULL) + p = eap->cmd; + + // Look for a user defined command as a last resort. Let ":Print" be + // overruled by a user defined command. + if ((eap->cmdidx == CMD_SIZE || eap->cmdidx == CMD_Print) + && *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); + } + if (p == NULL || p == eap->cmd) + eap->cmdidx = CMD_SIZE; + } + + // ":fina" means ":finally" for backwards compatibility. + if (eap->cmdidx == CMD_final && p - eap->cmd == 4) + eap->cmdidx = CMD_finally; + +#ifdef FEAT_EVAL + if (eap->cmdidx < CMD_SIZE + && in_vim9script() + && !IS_WHITE_OR_NUL(*p) && *p != '\n' && *p != '!' + && (eap->cmdidx < 0 || + (cmdnames[eap->cmdidx].cmd_argt & EX_NONWHITE_OK) == 0)) + { + semsg(_(e_command_not_followed_by_white_space_str), eap->cmd); + eap->cmdidx = CMD_SIZE; + } +#endif + + return p; +} + +#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}, + {"filter", 4, FALSE}, + {"hide", 3, FALSE}, + {"keepalt", 5, FALSE}, + {"keepjumps", 5, FALSE}, + {"keepmarks", 3, FALSE}, + {"keeppatterns", 5, FALSE}, + {"leftabove", 5, FALSE}, + {"lockmarks", 3, FALSE}, + {"noautocmd", 3, FALSE}, + {"noswapfile", 3, FALSE}, + {"rightbelow", 6, FALSE}, + {"sandbox", 3, FALSE}, + {"silent", 3, FALSE}, + {"tab", 3, TRUE}, + {"topleft", 2, FALSE}, + {"unsilent", 3, 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(char_u *cmd) +{ + int i, j; + char_u *p = cmd; + + if (VIM_ISDIGIT(*cmd)) + p = skipwhite(skipdigits(cmd)); + for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i) + { + for (j = 0; p[j] != NUL; ++j) + if (p[j] != cmdmods[i].name[j]) + break; + if (!ASCII_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(char_u *name) +{ + exarg_T ea; + int full = FALSE; + int i; + int j; + char_u *p; + + // Check command modifiers. + for (i = 0; i < (int)(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_ex_command(&ea, &full, NULL, NULL); + 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 + + cmdidx_T +excmd_get_cmdidx(char_u *cmd, int len) +{ + cmdidx_T idx; + + for (idx = (cmdidx_T)0; (int)idx < (int)CMD_SIZE; + idx = (cmdidx_T)((int)idx + 1)) + if (STRNCMP(cmdnames[(int)idx].cmd_name, cmd, (size_t)len) == 0) + break; + + return idx; +} + + long +excmd_get_argt(cmdidx_T idx) +{ + return (long)cmdnames[(int)idx].cmd_argt; +} + +/* + * 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 after the range. + * Returns the "cmd" pointer advanced to beyond the range. + */ + char_u * +skip_range( + char_u *cmd, + int skip_star, // skip "*" used for Visual range + int *ctx) // pointer to xp_context or NULL +{ + unsigned delim; + + while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;\\", *cmd) != NULL) + { + if (*cmd == '\\') + { + if (cmd[1] == '?' || cmd[1] == '/' || cmd[1] == '&') + ++cmd; + else + break; + } + else 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); + + // Skip "*" used for Visual range. + if (skip_star && *cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL) + cmd = skipwhite(cmd + 1); + + return cmd; +} + + static void +addr_error(cmd_addr_T addr_type) +{ + if (addr_type == ADDR_NONE) + emsg(_(e_norange)); + else + emsg(_(e_invrange)); +} + +/* + * Return the default address for an address type. + */ + static linenr_T +default_address(exarg_T *eap) +{ + linenr_T lnum = 0; + + switch (eap->addr_type) + { + case ADDR_LINES: + case ADDR_OTHER: + // Default is the cursor line number. Avoid using an invalid + // line number though. + if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) + lnum = curbuf->b_ml.ml_line_count; + else + lnum = curwin->w_cursor.lnum; + break; + case ADDR_WINDOWS: + lnum = CURRENT_WIN_NR; + break; + case ADDR_ARGUMENTS: + lnum = curwin->w_arg_idx + 1; + if (lnum > ARGCOUNT) + lnum = ARGCOUNT; + break; + case ADDR_LOADED_BUFFERS: + case ADDR_BUFFERS: + lnum = curbuf->b_fnum; + break; + case ADDR_TABS: + lnum = CURRENT_TAB_NR; + break; + case ADDR_TABS_RELATIVE: + case ADDR_UNSIGNED: + lnum = 1; + break; + case ADDR_QUICKFIX: +#ifdef FEAT_QUICKFIX + lnum = qf_get_cur_idx(eap); +#endif + break; + case ADDR_QUICKFIX_VALID: +#ifdef FEAT_QUICKFIX + lnum = qf_get_cur_valid_idx(eap); +#endif + break; + case ADDR_NONE: + // Will give an error later if a range is found. + break; + } + return lnum; +} + +/* + * 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. + * This may set the last used search pattern. + * + * Return MAXLNUM when no Ex address was found. + */ + static linenr_T +get_address( + exarg_T *eap UNUSED, + char_u **ptr, + cmd_addr_T addr_type, + int skip, // only skip the address, don't use it + int silent, // no errors or side effects + int to_other_file, // flag: may jump to other file + int address_count UNUSED) // 1 for first address, >1 after comma +{ + int c; + int i; + long n; + char_u *cmd; + pos_T pos; + pos_T *fp; + linenr_T lnum; + buf_T *buf; + + cmd = skipwhite(*ptr); + lnum = MAXLNUM; + do + { + switch (*cmd) + { + case '.': // '.' - Cursor position + ++cmd; + switch (addr_type) + { + case ADDR_LINES: + case ADDR_OTHER: + lnum = curwin->w_cursor.lnum; + break; + case ADDR_WINDOWS: + lnum = CURRENT_WIN_NR; + break; + case ADDR_ARGUMENTS: + lnum = curwin->w_arg_idx + 1; + break; + case ADDR_LOADED_BUFFERS: + case ADDR_BUFFERS: + lnum = curbuf->b_fnum; + break; + case ADDR_TABS: + lnum = CURRENT_TAB_NR; + break; + case ADDR_NONE: + case ADDR_TABS_RELATIVE: + case ADDR_UNSIGNED: + addr_error(addr_type); + cmd = NULL; + goto error; + break; + case ADDR_QUICKFIX: +#ifdef FEAT_QUICKFIX + lnum = qf_get_cur_idx(eap); +#endif + break; + case ADDR_QUICKFIX_VALID: +#ifdef FEAT_QUICKFIX + lnum = qf_get_cur_valid_idx(eap); +#endif + break; + } + break; + + case '$': // '$' - last line + ++cmd; + switch (addr_type) + { + case ADDR_LINES: + case ADDR_OTHER: + lnum = curbuf->b_ml.ml_line_count; + break; + case ADDR_WINDOWS: + lnum = LAST_WIN_NR; + break; + case ADDR_ARGUMENTS: + lnum = ARGCOUNT; + break; + case ADDR_LOADED_BUFFERS: + buf = lastbuf; + while (buf->b_ml.ml_mfp == NULL) + { + if (buf->b_prev == NULL) + break; + buf = buf->b_prev; + } + lnum = buf->b_fnum; + break; + case ADDR_BUFFERS: + lnum = lastbuf->b_fnum; + break; + case ADDR_TABS: + lnum = LAST_TAB_NR; + break; + case ADDR_NONE: + case ADDR_TABS_RELATIVE: + case ADDR_UNSIGNED: + addr_error(addr_type); + cmd = NULL; + goto error; + break; + case ADDR_QUICKFIX: +#ifdef FEAT_QUICKFIX + lnum = qf_get_size(eap); + if (lnum == 0) + lnum = 1; +#endif + break; + case ADDR_QUICKFIX_VALID: +#ifdef FEAT_QUICKFIX + lnum = qf_get_valid_size(eap); + if (lnum == 0) + lnum = 1; +#endif + break; + } + break; + + case '\'': // ''' - mark + if (*++cmd == NUL) + { + cmd = NULL; + goto error; + } + if (addr_type != ADDR_LINES) + { + addr_error(addr_type); + 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 (addr_type != ADDR_LINES) + { + addr_error(addr_type); + cmd = NULL; + goto error; + } + if (skip) // skip "/pat/" + { + cmd = skip_regexp(cmd, c, magic_isset()); + if (*cmd == c) + ++cmd; + } + else + { + int flags; + + 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 (unless + // before the first 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.lnum > 0) + curwin->w_cursor.col = MAXCOL; + else + curwin->w_cursor.col = 0; + searchcmdlen = 0; + flags = silent ? 0 : SEARCH_HIS | SEARCH_MSG; + if (!do_search(NULL, c, c, cmd, 1L, flags, 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 (addr_type != ADDR_LINES) + { + addr_error(addr_type); + cmd = NULL; + goto error; + } + 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; + pos.coladd = 0; + if (searchit(curwin, curbuf, &pos, NULL, + *cmd == '?' ? BACKWARD : FORWARD, + (char_u *)"", 1L, SEARCH_MSG, i, 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) + { + switch (addr_type) + { + case ADDR_LINES: + case ADDR_OTHER: + // "+1" is same as ".+1" + lnum = curwin->w_cursor.lnum; + break; + case ADDR_WINDOWS: + lnum = CURRENT_WIN_NR; + break; + case ADDR_ARGUMENTS: + lnum = curwin->w_arg_idx + 1; + break; + case ADDR_LOADED_BUFFERS: + case ADDR_BUFFERS: + lnum = curbuf->b_fnum; + break; + case ADDR_TABS: + lnum = CURRENT_TAB_NR; + break; + case ADDR_TABS_RELATIVE: + lnum = 1; + break; + case ADDR_QUICKFIX: +#ifdef FEAT_QUICKFIX + lnum = qf_get_cur_idx(eap); +#endif + break; + case ADDR_QUICKFIX_VALID: +#ifdef FEAT_QUICKFIX + lnum = qf_get_cur_valid_idx(eap); +#endif + break; + case ADDR_NONE: + case ADDR_UNSIGNED: + lnum = 0; + break; + } + } + + 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 (addr_type == ADDR_TABS_RELATIVE) + { + emsg(_(e_invrange)); + cmd = NULL; + goto error; + } + else if (addr_type == ADDR_LOADED_BUFFERS + || addr_type == ADDR_BUFFERS) + lnum = compute_buffer_local_count( + addr_type, lnum, (i == '-') ? -1 * n : n); + else + { +#ifdef FEAT_FOLDING + // Relative line addressing, need to adjust for folded lines + // now, but only do it after the first address. + if (addr_type == ADDR_LINES && (i == '-' || i == '+') + && address_count >= 2) + (void)hasFolding(lnum, NULL, &lnum); +#endif + if (i == '-') + lnum -= n; + else + lnum += n; + } + } + } while (*cmd == '/' || *cmd == '?'); + +error: + *ptr = cmd; + return lnum; +} + +/* + * Set eap->line1 and eap->line2 to the whole range. + * Used for commands with the EX_DFLALL flag and no range given. + */ + static void +address_default_all(exarg_T *eap) +{ + eap->line1 = 1; + switch (eap->addr_type) + { + case ADDR_LINES: + case ADDR_OTHER: + eap->line2 = curbuf->b_ml.ml_line_count; + break; + case ADDR_LOADED_BUFFERS: + { + buf_T *buf = firstbuf; + + while (buf->b_next != NULL && buf->b_ml.ml_mfp == NULL) + buf = buf->b_next; + eap->line1 = buf->b_fnum; + buf = lastbuf; + while (buf->b_prev != NULL && buf->b_ml.ml_mfp == NULL) + buf = buf->b_prev; + eap->line2 = buf->b_fnum; + } + break; + case ADDR_BUFFERS: + eap->line1 = firstbuf->b_fnum; + eap->line2 = lastbuf->b_fnum; + break; + case ADDR_WINDOWS: + eap->line2 = LAST_WIN_NR; + break; + case ADDR_TABS: + eap->line2 = LAST_TAB_NR; + break; + case ADDR_TABS_RELATIVE: + eap->line2 = 1; + break; + case ADDR_ARGUMENTS: + if (ARGCOUNT == 0) + eap->line1 = eap->line2 = 0; + else + eap->line2 = ARGCOUNT; + break; + case ADDR_QUICKFIX_VALID: +#ifdef FEAT_QUICKFIX + eap->line2 = qf_get_valid_size(eap); + if (eap->line2 == 0) + eap->line2 = 1; +#endif + break; + case ADDR_NONE: + case ADDR_UNSIGNED: + case ADDR_QUICKFIX: + iemsg(_("INTERNAL: Cannot use EX_DFLALL with ADDR_NONE, ADDR_UNSIGNED or ADDR_QUICKFIX")); + break; + } +} + + +/* + * Get flags from an Ex command argument. + */ + static void +get_flags(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') + eap->flags |= EXFLAG_PRINT; + else + eap->flags |= EXFLAG_NR; + eap->arg = skipwhite(eap->arg + 1); + } +} + +/* + * Function called for command which is Not Implemented. NI! + */ + void +ex_ni(exarg_T *eap) +{ + if (!eap->skip) + eap->errmsg = + _("E319: Sorry, the command is not available in this version"); +} + +#ifdef HAVE_EX_SCRIPT_NI +/* + * Function called for script command which is Not Implemented. NI! + * Skips over ":perl <<EOF" constructs. + */ + static void +ex_script_ni(exarg_T *eap) +{ + if (!eap->skip) + ex_ni(eap); + else + vim_free(script_get(eap, eap->arg)); +} +#endif + +/* + * Check range in Ex command for validity. + * Return NULL when valid, error message when invalid. + */ + static char * +invalid_range(exarg_T *eap) +{ + buf_T *buf; + + if ( eap->line1 < 0 + || eap->line2 < 0 + || eap->line1 > eap->line2) + return _(e_invrange); + + if (eap->argt & EX_RANGE) + { + switch (eap->addr_type) + { + case ADDR_LINES: + if (eap->line2 > curbuf->b_ml.ml_line_count +#ifdef FEAT_DIFF + + (eap->cmdidx == CMD_diffget) +#endif + ) + return _(e_invrange); + break; + case ADDR_ARGUMENTS: + // add 1 if ARGCOUNT is 0 + if (eap->line2 > ARGCOUNT + (!ARGCOUNT)) + return _(e_invrange); + break; + case ADDR_BUFFERS: + // Only a boundary check, not whether the buffers actually + // exist. + if (eap->line1 < 1 || eap->line2 > get_highest_fnum()) + return _(e_invrange); + break; + case ADDR_LOADED_BUFFERS: + buf = firstbuf; + while (buf->b_ml.ml_mfp == NULL) + { + if (buf->b_next == NULL) + return _(e_invrange); + buf = buf->b_next; + } + if (eap->line1 < buf->b_fnum) + return _(e_invrange); + buf = lastbuf; + while (buf->b_ml.ml_mfp == NULL) + { + if (buf->b_prev == NULL) + return _(e_invrange); + buf = buf->b_prev; + } + if (eap->line2 > buf->b_fnum) + return _(e_invrange); + break; + case ADDR_WINDOWS: + if (eap->line2 > LAST_WIN_NR) + return _(e_invrange); + break; + case ADDR_TABS: + if (eap->line2 > LAST_TAB_NR) + return _(e_invrange); + break; + case ADDR_TABS_RELATIVE: + case ADDR_OTHER: + // Any range is OK. + break; + case ADDR_QUICKFIX: +#ifdef FEAT_QUICKFIX + // No error for value that is too big, will use the last entry. + if (eap->line2 <= 0) + return _(e_invrange); +#endif + break; + case ADDR_QUICKFIX_VALID: +#ifdef FEAT_QUICKFIX + if ((eap->line2 != 1 && eap->line2 > qf_get_valid_size(eap)) + || eap->line2 < 0) + return _(e_invrange); +#endif + break; + case ADDR_UNSIGNED: + if (eap->line2 < 0) + return _(e_invrange); + break; + case ADDR_NONE: + // Will give an error elsewhere. + break; + } + } + return NULL; +} + +/* + * Correct the range for zero line number, if required. + */ + static void +correct_range(exarg_T *eap) +{ + if (!(eap->argt & EX_ZEROR)) // zero in range not allowed + { + if (eap->line1 == 0) + eap->line1 = 1; + if (eap->line2 == 0) + eap->line2 = 1; + } +} + +#ifdef FEAT_QUICKFIX +/* + * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the + * pattern. Otherwise return eap->arg. + */ + static char_u * +skip_grep_pat(exarg_T *eap) +{ + char_u *p = eap->arg; + + if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep + || eap->cmdidx == CMD_vimgrepadd + || eap->cmdidx == CMD_lvimgrepadd + || grep_internal(eap->cmdidx))) + { + p = skip_vimgrep_pat(p, NULL, NULL); + if (p == NULL) + p = eap->arg; + } + return p; +} + +/* + * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option + * in the command line, so that things like % get expanded. + */ + static char_u * +replace_makeprg(exarg_T *eap, char_u *p, char_u **cmdlinep) +{ + char_u *new_cmdline; + char_u *program; + char_u *pos; + char_u *ptr; + int len; + int i; + + /* + * Don't do it when ":vimgrep" is used for ":grep". + */ + if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake + || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep + || eap->cmdidx == CMD_grepadd + || eap->cmdidx == CMD_lgrepadd) + && !grep_internal(eap->cmdidx)) + { + if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep + || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd) + { + if (*curbuf->b_p_gp == NUL) + program = p_gp; + else + program = curbuf->b_p_gp; + } + else + { + if (*curbuf->b_p_mp == NUL) + program = p_mp; + else + program = curbuf->b_p_mp; + } + + p = skipwhite(p); + + if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL) + { + // replace $* by given arguments + i = 1; + while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL) + ++i; + len = (int)STRLEN(p); + new_cmdline = alloc(STRLEN(program) + i * (len - 2) + 1); + if (new_cmdline == NULL) + return NULL; // out of memory + ptr = new_cmdline; + while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL) + { + i = (int)(pos - program); + STRNCPY(ptr, program, i); + STRCPY(ptr += i, p); + ptr += len; + program = pos + 2; + } + STRCPY(ptr, program); + } + else + { + new_cmdline = alloc(STRLEN(program) + STRLEN(p) + 2); + if (new_cmdline == NULL) + return NULL; // out of memory + STRCPY(new_cmdline, program); + STRCAT(new_cmdline, " "); + STRCAT(new_cmdline, p); + } + msg_make(p); + + // 'eap->cmd' is not set here, because it is not used at CMD_make + vim_free(*cmdlinep); + *cmdlinep = new_cmdline; + p = new_cmdline; + } + return p; +} +#endif + +/* + * Expand file name in Ex command argument. + * When an error is detected, "errormsgp" is set to a non-NULL pointer. + * Return FAIL for failure, OK otherwise. + */ + int +expand_filename( + exarg_T *eap, + char_u **cmdlinep, + char **errormsgp) +{ + int has_wildcards; // need to expand wildcards + char_u *repl; + int srclen; + char_u *p; + int n; + int escaped; + +#ifdef FEAT_QUICKFIX + // Skip a regexp pattern for ":vimgrep[add] pat file..." + p = skip_grep_pat(eap); +#else + p = eap->arg; +#endif + + /* + * Decide to expand wildcards *before* replacing '%', '#', etc. If + * the file name contains a wildcard it should not cause expanding. + * (it will be expanded anyway if there is a wildcard before replacing). + */ + has_wildcards = mch_has_wildcard(p); + while (*p != NUL) + { +#ifdef FEAT_EVAL + // Skip over `=expr`, wildcards in it are not expanded. + if (p[0] == '`' && p[1] == '=') + { + p += 2; + (void)skip_expr(&p, NULL); + if (*p == '`') + ++p; + continue; + } +#endif + /* + * Quick check if this cannot be the start of a special string. + * Also removes backslash before '%', '#' and '<'. + */ + if (vim_strchr((char_u *)"%#<", *p) == NULL) + { + ++p; + continue; + } + + /* + * Try to find a match at this position. + */ + repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum), + errormsgp, &escaped); + if (*errormsgp != NULL) // error detected + return FAIL; + if (repl == NULL) // no match found + { + p += srclen; + continue; + } + + // Wildcards won't be expanded below, the replacement is taken + // literally. But do expand "~/file", "~user/file" and "$HOME/file". + if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL) + { + char_u *l = repl; + + repl = expand_env_save(repl); + vim_free(l); + } + + // Need to escape white space et al. with a backslash. + // Don't do this for: + // - replacement that already has been escaped: "##" + // - shell commands (may have to use quotes instead). + // - non-unix systems when there is a single argument (spaces don't + // separate arguments then). + if (!eap->usefilter + && !escaped + && eap->cmdidx != CMD_bang + && eap->cmdidx != CMD_grep + && eap->cmdidx != CMD_grepadd + && eap->cmdidx != CMD_hardcopy + && eap->cmdidx != CMD_lgrep + && eap->cmdidx != CMD_lgrepadd + && eap->cmdidx != CMD_lmake + && eap->cmdidx != CMD_make + && eap->cmdidx != CMD_terminal +#ifndef UNIX + && !(eap->argt & EX_NOSPC) +#endif + ) + { + char_u *l; +#ifdef BACKSLASH_IN_FILENAME + // Don't escape a backslash here, because rem_backslash() doesn't + // remove it later. + static char_u *nobslash = (char_u *)" \t\"|"; +# define ESCAPE_CHARS nobslash +#else +# define ESCAPE_CHARS escape_chars +#endif + + for (l = repl; *l; ++l) + if (vim_strchr(ESCAPE_CHARS, *l) != NULL) + { + l = vim_strsave_escaped(repl, ESCAPE_CHARS); + if (l != NULL) + { + vim_free(repl); + repl = l; + } + break; + } + } + + // For a shell command a '!' must be escaped. + if ((eap->usefilter || eap->cmdidx == CMD_bang + || eap->cmdidx == CMD_terminal) + && vim_strpbrk(repl, (char_u *)"!") != NULL) + { + char_u *l; + + l = vim_strsave_escaped(repl, (char_u *)"!"); + if (l != NULL) + { + vim_free(repl); + repl = l; + } + } + + p = repl_cmdline(eap, p, srclen, repl, cmdlinep); + vim_free(repl); + if (p == NULL) + return FAIL; + } + + /* + * One file argument: Expand wildcards. + * Don't do this with ":r !command" or ":w !command". + */ + if ((eap->argt & EX_NOSPC) && !eap->usefilter) + { + /* + * May do this twice: + * 1. Replace environment variables. + * 2. Replace any other wildcards, remove backslashes. + */ + for (n = 1; n <= 2; ++n) + { + if (n == 2) + { + /* + * Halve the number of backslashes (this is Vi compatible). + * For Unix and OS/2, when wildcards are expanded, this is + * done by ExpandOne() below. + */ +#if defined(UNIX) + if (!has_wildcards) +#endif + backslash_halve(eap->arg); + } + + if (has_wildcards) + { + if (n == 1) + { + /* + * First loop: May expand environment variables. This + * can be done much faster with expand_env() than with + * something else (e.g., calling a shell). + * After expanding environment variables, check again + * if there are still wildcards present. + */ + if (vim_strchr(eap->arg, '$') != NULL + || vim_strchr(eap->arg, '~') != NULL) + { + expand_env_esc(eap->arg, NameBuff, MAXPATHL, + TRUE, TRUE, NULL); + has_wildcards = mch_has_wildcard(NameBuff); + p = NameBuff; + } + else + p = NULL; + } + else // n == 2 + { + expand_T xpc; + int options = WILD_LIST_NOTFOUND + | WILD_NOERROR | WILD_ADD_SLASH; + + ExpandInit(&xpc); + xpc.xp_context = EXPAND_FILES; + if (p_wic) + options += WILD_ICASE; + p = ExpandOne(&xpc, eap->arg, NULL, + options, WILD_EXPAND_FREE); + if (p == NULL) + return FAIL; + } + if (p != NULL) + { + (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg), + p, cmdlinep); + if (n == 2) // p came from ExpandOne() + vim_free(p); + } + } + } + } + return OK; +} + +/* + * Replace part of the command line, keeping eap->cmd, eap->arg and + * eap->nextcmd correct. + * "src" points to the part that is to be replaced, of length "srclen". + * "repl" is the replacement string. + * Returns a pointer to the character after the replaced string. + * Returns NULL for failure. + */ + static char_u * +repl_cmdline( + exarg_T *eap, + char_u *src, + int srclen, + char_u *repl, + char_u **cmdlinep) +{ + int len; + int i; + char_u *new_cmdline; + + /* + * The new command line is build in new_cmdline[]. + * First allocate it. + * Careful: a "+cmd" argument may have been NUL terminated. + */ + len = (int)STRLEN(repl); + i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3; + if (eap->nextcmd != NULL) + i += (int)STRLEN(eap->nextcmd);// add space for next command + if ((new_cmdline = alloc(i)) == NULL) + return NULL; // out of memory! + + /* + * Copy the stuff before the expanded part. + * Copy the expanded stuff. + * Copy what came after the expanded part. + * Copy the next commands, if there are any. + */ + i = (int)(src - *cmdlinep); // length of part before match + mch_memmove(new_cmdline, *cmdlinep, (size_t)i); + + mch_memmove(new_cmdline + i, repl, (size_t)len); + i += len; // remember the end of the string + STRCPY(new_cmdline + i, src + srclen); + src = new_cmdline + i; // remember where to continue + + if (eap->nextcmd != NULL) // append next command + { + i = (int)STRLEN(new_cmdline) + 1; + STRCPY(new_cmdline + i, eap->nextcmd); + eap->nextcmd = new_cmdline + i; + } + eap->cmd = new_cmdline + (eap->cmd - *cmdlinep); + eap->arg = new_cmdline + (eap->arg - *cmdlinep); + if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command) + eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep); + vim_free(*cmdlinep); + *cmdlinep = new_cmdline; + + return src; +} + +/* + * Check for '|' to separate commands and '"' to start comments. + */ + void +separate_nextcmd(exarg_T *eap) +{ + char_u *p; + +#ifdef FEAT_QUICKFIX + p = skip_grep_pat(eap); +#else + p = eap->arg; +#endif + + for ( ; *p; MB_PTR_ADV(p)) + { + if (*p == Ctrl_V) + { + if (eap->argt & (EX_CTRLV | EX_XFILE)) + ++p; // skip CTRL-V and next char + else + // remove CTRL-V and skip next char + STRMOVE(p, p + 1); + if (*p == NUL) // stop at NUL after CTRL-V + break; + } + +#ifdef FEAT_EVAL + // Skip over `=expr` when wildcards are expanded. + else if (p[0] == '`' && p[1] == '=' && (eap->argt & EX_XFILE)) + { + p += 2; + (void)skip_expr(&p, NULL); + if (*p == NUL) // stop at NUL after CTRL-V + break; + } +#endif + + // Check for '"': start of comment or '|': next command + // :@" and :*" do not start a comment! + // :redir @" doesn't either. + else if ((*p == '"' +#ifdef FEAT_EVAL + && !in_vim9script() +#endif + && !(eap->argt & EX_NOTRLCOM) + && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star) + || p != eap->arg) + && (eap->cmdidx != CMD_redir + || p != eap->arg + 1 || p[-1] != '@')) +#ifdef FEAT_EVAL + || (*p == '#' + && in_vim9script() + && !(eap->argt & EX_NOTRLCOM) + && p > eap->cmd && VIM_ISWHITE(p[-1])) +#endif + || *p == '|' || *p == '\n') + { + /* + * We remove the '\' before the '|', unless EX_CTRLV is used + * AND 'b' is present in 'cpoptions'. + */ + if ((vim_strchr(p_cpo, CPO_BAR) == NULL + || !(eap->argt & EX_CTRLV)) && *(p - 1) == '\\') + { + STRMOVE(p - 1, p); // remove the '\' + --p; + } + else + { + eap->nextcmd = check_nextcmd(p); + *p = NUL; + break; + } + } + } + + if (!(eap->argt & EX_NOTRLCOM)) // remove trailing spaces + del_trailing_spaces(eap->arg); +} + +/* + * get + command from ex argument + */ + static char_u * +getargcmd(char_u **argp) +{ + char_u *arg = *argp; + char_u *command = NULL; + + if (*arg == '+') // +[command] + { + ++arg; + if (vim_isspace(*arg) || *arg == NUL) + command = dollar_command; + else + { + command = arg; + arg = skip_cmd_arg(command, TRUE); + if (*arg != NUL) + *arg++ = NUL; // terminate command with NUL + } + + arg = skipwhite(arg); // skip over spaces + *argp = arg; + } + return command; +} + +/* + * Find end of "+command" argument. Skip over "\ " and "\\". + */ + char_u * +skip_cmd_arg( + char_u *p, + int rembs) // TRUE to halve the number of backslashes +{ + while (*p && !vim_isspace(*p)) + { + if (*p == '\\' && p[1] != NUL) + { + if (rembs) + STRMOVE(p, p + 1); + else + ++p; + } + MB_PTR_ADV(p); + } + return p; +} + + int +get_bad_opt(char_u *p, exarg_T *eap) +{ + if (STRICMP(p, "keep") == 0) + eap->bad_char = BAD_KEEP; + else if (STRICMP(p, "drop") == 0) + eap->bad_char = BAD_DROP; + else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL) + eap->bad_char = *p; + else + return FAIL; + return OK; +} + +/* + * Get "++opt=arg" argument. + * Return FAIL or OK. + */ + static int +getargopt(exarg_T *eap) +{ + char_u *arg = eap->arg + 2; + int *pp = NULL; + int bad_char_idx; + char_u *p; + + // ":edit ++[no]bin[ary] file" + if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0) + { + if (*arg == 'n') + { + arg += 2; + eap->force_bin = FORCE_NOBIN; + } + else + eap->force_bin = FORCE_BIN; + if (!checkforcmd(&arg, "binary", 3)) + return FAIL; + eap->arg = skipwhite(arg); + return OK; + } + + // ":read ++edit file" + if (STRNCMP(arg, "edit", 4) == 0) + { + eap->read_edit = TRUE; + eap->arg = skipwhite(arg + 4); + return OK; + } + + if (STRNCMP(arg, "ff", 2) == 0) + { + arg += 2; + pp = &eap->force_ff; + } + else if (STRNCMP(arg, "fileformat", 10) == 0) + { + arg += 10; + pp = &eap->force_ff; + } + else if (STRNCMP(arg, "enc", 3) == 0) + { + if (STRNCMP(arg, "encoding", 8) == 0) + arg += 8; + else + arg += 3; + pp = &eap->force_enc; + } + else if (STRNCMP(arg, "bad", 3) == 0) + { + arg += 3; + pp = &bad_char_idx; + } + + if (pp == NULL || *arg != '=') + return FAIL; + + ++arg; + *pp = (int)(arg - eap->cmd); + arg = skip_cmd_arg(arg, FALSE); + eap->arg = skipwhite(arg); + *arg = NUL; + + if (pp == &eap->force_ff) + { + if (check_ff_value(eap->cmd + eap->force_ff) == FAIL) + return FAIL; + eap->force_ff = eap->cmd[eap->force_ff]; + } + else if (pp == &eap->force_enc) + { + // Make 'fileencoding' lower case. + for (p = eap->cmd + eap->force_enc; *p != NUL; ++p) + *p = TOLOWER_ASC(*p); + } + else + { + // Check ++bad= argument. Must be a single-byte character, "keep" or + // "drop". + if (get_bad_opt(eap->cmd + bad_char_idx, eap) == FAIL) + return FAIL; + } + + return OK; +} + + static void +ex_autocmd(exarg_T *eap) +{ + /* + * Disallow autocommands from .exrc and .vimrc in current + * directory for security reasons. + */ + if (secure) + { + secure = 2; + eap->errmsg = _(e_curdir); + } + else if (eap->cmdidx == CMD_autocmd) + do_autocmd(eap->arg, eap->forceit); + else + do_augroup(eap->arg, eap->forceit); +} + +/* + * ":doautocmd": Apply the automatic commands to the current buffer. + */ + static void +ex_doautocmd(exarg_T *eap) +{ + char_u *arg = eap->arg; + int call_do_modelines = check_nomodeline(&arg); + int did_aucmd; + + (void)do_doautocmd(arg, TRUE, &did_aucmd); + // Only when there is no <nomodeline>. + if (call_do_modelines && did_aucmd) + do_modelines(0); +} + +/* + * :[N]bunload[!] [N] [bufname] unload buffer + * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list + * :[N]bwipeout[!] [N] [bufname] delete buffer really + */ + static void +ex_bunload(exarg_T *eap) +{ + if (ERROR_IF_ANY_POPUP_WINDOW) + return; + eap->errmsg = do_bufdel( + eap->cmdidx == CMD_bdelete ? DOBUF_DEL + : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE + : DOBUF_UNLOAD, eap->arg, + eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit); +} + +/* + * :[N]buffer [N] to buffer N + * :[N]sbuffer [N] to buffer N + */ + static void +ex_buffer(exarg_T *eap) +{ + if (ERROR_IF_ANY_POPUP_WINDOW) + return; + if (*eap->arg) + eap->errmsg = ex_errmsg(e_trailing_arg, eap->arg); + else + { + if (eap->addr_count == 0) // default is current buffer + goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0); + else + goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2); + if (eap->do_ecmd_cmd != NULL) + do_cmd_argument(eap->do_ecmd_cmd); + } +} + +/* + * :[N]bmodified [N] to next mod. buffer + * :[N]sbmodified [N] to next mod. buffer + */ + static void +ex_bmodified(exarg_T *eap) +{ + goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2); + if (eap->do_ecmd_cmd != NULL) + do_cmd_argument(eap->do_ecmd_cmd); +} + +/* + * :[N]bnext [N] to next buffer + * :[N]sbnext [N] split and to next buffer + */ + static void +ex_bnext(exarg_T *eap) +{ + if (ERROR_IF_ANY_POPUP_WINDOW) + return; + + goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2); + if (eap->do_ecmd_cmd != NULL) + do_cmd_argument(eap->do_ecmd_cmd); +} + +/* + * :[N]bNext [N] to previous buffer + * :[N]bprevious [N] to previous buffer + * :[N]sbNext [N] split and to previous buffer + * :[N]sbprevious [N] split and to previous buffer + */ + static void +ex_bprevious(exarg_T *eap) +{ + if (ERROR_IF_ANY_POPUP_WINDOW) + return; + + goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2); + if (eap->do_ecmd_cmd != NULL) + do_cmd_argument(eap->do_ecmd_cmd); +} + +/* + * :brewind to first buffer + * :bfirst to first buffer + * :sbrewind split and to first buffer + * :sbfirst split and to first buffer + */ + static void +ex_brewind(exarg_T *eap) +{ + if (ERROR_IF_ANY_POPUP_WINDOW) + return; + + goto_buffer(eap, DOBUF_FIRST, FORWARD, 0); + if (eap->do_ecmd_cmd != NULL) + do_cmd_argument(eap->do_ecmd_cmd); +} + +/* + * :blast to last buffer + * :sblast split and to last buffer + */ + static void +ex_blast(exarg_T *eap) +{ + if (ERROR_IF_ANY_POPUP_WINDOW) + return; + + goto_buffer(eap, DOBUF_LAST, BACKWARD, 0); + if (eap->do_ecmd_cmd != NULL) + do_cmd_argument(eap->do_ecmd_cmd); +} + +/* + * Check if "c" ends an Ex command. + * In Vim9 script does not check for white space before #. + */ + int +ends_excmd(int c) +{ + int comment_char = '"'; + +#ifdef FEAT_EVAL + if (in_vim9script()) + comment_char = '#'; +#endif + return (c == NUL || c == '|' || c == comment_char || c == '\n'); +} + +/* + * Like ends_excmd() but checks that a # in Vim9 script either has "cmd" equal + * to "cmd_start" or has a white space character before it. + */ + int +ends_excmd2(char_u *cmd_start UNUSED, char_u *cmd) +{ + int c = *cmd; + + if (c == NUL || c == '|' || c == '\n') + return TRUE; +#ifdef FEAT_EVAL + if (in_vim9script()) + return c == '#' && cmd[1] != '{' + && (cmd == cmd_start || VIM_ISWHITE(cmd[-1])); +#endif + return c == '"'; +} + +#if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \ + || defined(PROTO) +/* + * Return the next command, after the first '|' or '\n'. + * Return NULL if not found. + */ + char_u * +find_nextcmd(char_u *p) +{ + while (*p != '|' && *p != '\n') + { + if (*p == NUL) + return NULL; + ++p; + } + return (p + 1); +} +#endif + +/* + * Check if *p is a separator between Ex commands, skipping over white space. + * Return NULL if it isn't, the following character if it is. + */ + char_u * +check_nextcmd(char_u *p) +{ + char_u *s = skipwhite(p); + + if (*s == '|' || *s == '\n') + return (s + 1); + else + return NULL; +} + +/* + * - if there are more files to edit + * - and this is the last window + * - and forceit not used + * - and not repeated twice on a row + * return FAIL and give error message if 'message' TRUE + * return OK otherwise + */ + static int +check_more( + int message, // when FALSE check only, no messages + int forceit) +{ + int n = ARGCOUNT - curwin->w_arg_idx - 1; + + if (!forceit && only_one_window() + && ARGCOUNT > 1 && !arg_had_last && n > 0 && quitmore == 0) + { + if (message) + { +#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) + if ((p_confirm || (cmdmod.cmod_flags & CMOD_CONFIRM)) + && curbuf->b_fname != NULL) + { + char_u buff[DIALOG_MSG_SIZE]; + + vim_snprintf((char *)buff, DIALOG_MSG_SIZE, + NGETTEXT("%d more file to edit. Quit anyway?", + "%d more files to edit. Quit anyway?", n), n); + if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES) + return OK; + return FAIL; + } +#endif + semsg(NGETTEXT("E173: %d more file to edit", + "E173: %d more files to edit", n), n); + quitmore = 2; // next try to quit is allowed + } + return FAIL; + } + return OK; +} + +/* + * Function given to ExpandGeneric() to obtain the list of command names. + */ + char_u * +get_command_name(expand_T *xp UNUSED, int idx) +{ + if (idx >= (int)CMD_SIZE) + return get_user_command_name(idx); + return cmdnames[idx].cmd_name; +} + + static void +ex_colorscheme(exarg_T *eap) +{ + if (*eap->arg == NUL) + { +#ifdef FEAT_EVAL + char_u *expr = vim_strsave((char_u *)"g:colors_name"); + char_u *p = NULL; + + if (expr != NULL) + { + ++emsg_off; + p = eval_to_string(expr, FALSE); + --emsg_off; + vim_free(expr); + } + if (p != NULL) + { + msg((char *)p); + vim_free(p); + } + else + msg("default"); +#else + msg(_("unknown")); +#endif + } + else if (load_colors(eap->arg) == FAIL) + semsg(_("E185: Cannot find color scheme '%s'"), eap->arg); + +#ifdef FEAT_VTP + else if (has_vtp_working()) + { + // background color change requires clear + redraw + update_screen(CLEAR); + redrawcmd(); + } +#endif +} + + static void +ex_highlight(exarg_T *eap) +{ + if (*eap->arg == NUL && eap->cmd[2] == '!') + msg(_("Greetings, Vim user!")); + do_highlight(eap->arg, eap->forceit, FALSE); +} + + +/* + * Call this function if we thought we were going to exit, but we won't + * (because of an error). May need to restore the terminal mode. + */ + void +not_exiting(void) +{ + exiting = FALSE; + settmode(TMODE_RAW); +} + + static int +before_quit_autocmds(win_T *wp, int quit_all, int forceit) +{ + apply_autocmds(EVENT_QUITPRE, NULL, NULL, FALSE, wp->w_buffer); + + // Bail out when autocommands closed the window. + // Refuse to quit when the buffer in the last window is being closed (can + // only happen in autocommands). + if (!win_valid(wp) + || curbuf_locked() + || (wp->w_buffer->b_nwindows == 1 && wp->w_buffer->b_locked > 0)) + return TRUE; + + if (quit_all || (check_more(FALSE, forceit) == OK && only_one_window())) + { + apply_autocmds(EVENT_EXITPRE, NULL, NULL, FALSE, curbuf); + // Refuse to quit when locked or when the window was closed or the + // buffer in the last window is being closed (can only happen in + // autocommands). + if (!win_valid(wp) || curbuf_locked() + || (curbuf->b_nwindows == 1 && curbuf->b_locked > 0)) + return TRUE; + } + + return FALSE; +} + +/* + * ":quit": quit current window, quit Vim if the last window is closed. + * ":{nr}quit": quit window {nr} + * Also used when closing a terminal window that's the last one. + */ + void +ex_quit(exarg_T *eap) +{ + win_T *wp; + +#ifdef FEAT_CMDWIN + if (cmdwin_type != 0) + { + cmdwin_result = Ctrl_C; + return; + } +#endif + // Don't quit while editing the command line. + if (text_locked()) + { + text_locked_msg(); + return; + } + if (eap->addr_count > 0) + { + int wnr = eap->line2; + + for (wp = firstwin; wp->w_next != NULL; wp = wp->w_next) + if (--wnr <= 0) + break; + } + else + wp = curwin; + + // Refuse to quit when locked. + if (curbuf_locked()) + return; + + // Trigger QuitPre and maybe ExitPre + if (before_quit_autocmds(wp, FALSE, eap->forceit)) + return; + +#ifdef FEAT_NETBEANS_INTG + netbeansForcedQuit = eap->forceit; +#endif + + /* + * If there are more files or windows we won't exit. + */ + if (check_more(FALSE, eap->forceit) == OK && only_one_window()) + exiting = TRUE; + if ((!buf_hide(wp->w_buffer) + && check_changed(wp->w_buffer, (p_awa ? CCGD_AW : 0) + | (eap->forceit ? CCGD_FORCEIT : 0) + | CCGD_EXCMD)) + || check_more(TRUE, eap->forceit) == FAIL + || (only_one_window() && check_changed_any(eap->forceit, TRUE))) + { + not_exiting(); + } + else + { + // quit last window + // Note: only_one_window() returns true, even so a help window is + // still open. In that case only quit, if no address has been + // specified. Example: + // :h|wincmd w|1q - don't quit + // :h|wincmd w|q - quit + if (only_one_window() && (ONE_WINDOW || eap->addr_count == 0)) + getout(0); + not_exiting(); +#ifdef FEAT_GUI + need_mouse_correct = TRUE; +#endif + // close window; may free buffer + win_close(wp, !buf_hide(wp->w_buffer) || eap->forceit); + } +} + +/* + * ":cquit". + */ + static void +ex_cquit(exarg_T *eap UNUSED) +{ + // this does not always pass on the exit code to the Manx compiler. why? + getout(eap->addr_count > 0 ? (int)eap->line2 : EXIT_FAILURE); +} + +/* + * ":qall": try to quit all windows + */ + static void +ex_quit_all(exarg_T *eap) +{ +# ifdef FEAT_CMDWIN + if (cmdwin_type != 0) + { + if (eap->forceit) + cmdwin_result = K_XF1; // ex_window() takes care of this + else + cmdwin_result = K_XF2; + return; + } +# endif + + // Don't quit while editing the command line. + if (text_locked()) + { + text_locked_msg(); + return; + } + + if (before_quit_autocmds(curwin, TRUE, eap->forceit)) + return; + + exiting = TRUE; + if (eap->forceit || !check_changed_any(FALSE, FALSE)) + getout(0); + not_exiting(); +} + +/* + * ":close": close current window, unless it is the last one + */ + static void +ex_close(exarg_T *eap) +{ + win_T *win; + int winnr = 0; +#ifdef FEAT_CMDWIN + if (cmdwin_type != 0) + cmdwin_result = Ctrl_C; + else +#endif + if (!text_locked() && !curbuf_locked()) + { + if (eap->addr_count == 0) + ex_win_close(eap->forceit, curwin, NULL); + else + { + FOR_ALL_WINDOWS(win) + { + winnr++; + if (winnr == eap->line2) + break; + } + if (win == NULL) + win = lastwin; + ex_win_close(eap->forceit, win, NULL); + } + } +} + +#ifdef FEAT_QUICKFIX +/* + * ":pclose": Close any preview window. + */ + static void +ex_pclose(exarg_T *eap) +{ + win_T *win; + + // First close any normal window. + FOR_ALL_WINDOWS(win) + if (win->w_p_pvw) + { + ex_win_close(eap->forceit, win, NULL); + return; + } +# ifdef FEAT_PROP_POPUP + // Also when 'previewpopup' is empty, it might have been cleared. + popup_close_preview(); +# endif +} +#endif + +/* + * Close window "win" and take care of handling closing the last window for a + * modified buffer. + */ + static void +ex_win_close( + int forceit, + win_T *win, + tabpage_T *tp) // NULL or the tab page "win" is in +{ + int need_hide; + buf_T *buf = win->w_buffer; + + // Never close the autocommand window. + if (win == aucmd_win) + { + emsg(_(e_autocmd_close)); + return; + } + + need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1); + if (need_hide && !buf_hide(buf) && !forceit) + { +#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) + if ((p_confirm || (cmdmod.cmod_flags & CMOD_CONFIRM)) && p_write) + { + bufref_T bufref; + + set_bufref(&bufref, buf); + dialog_changed(buf, FALSE); + if (bufref_valid(&bufref) && bufIsChanged(buf)) + return; + need_hide = FALSE; + } + else +#endif + { + no_write_message(); + return; + } + } + +#ifdef FEAT_GUI + need_mouse_correct = TRUE; +#endif + + // free buffer when not hiding it or when it's a scratch buffer + if (tp == NULL) + win_close(win, !need_hide && !buf_hide(buf)); + else + win_close_othertab(win, !need_hide && !buf_hide(buf), tp); +} + +/* + * Handle the argument for a tabpage related ex command. + * Returns a tabpage number. + * When an error is encountered then eap->errmsg is set. + */ + static int +get_tabpage_arg(exarg_T *eap) +{ + int tab_number; + int unaccept_arg0 = (eap->cmdidx == CMD_tabmove) ? 0 : 1; + + if (eap->arg && *eap->arg != NUL) + { + char_u *p = eap->arg; + char_u *p_save; + int relative = 0; // argument +N/-N means: go to N places to the + // right/left relative to the current position. + + if (*p == '-') + { + relative = -1; + p++; + } + else if (*p == '+') + { + relative = 1; + p++; + } + + p_save = p; + tab_number = getdigits(&p); + + if (relative == 0) + { + if (STRCMP(p, "$") == 0) + tab_number = LAST_TAB_NR; + else if (STRCMP(p, "#") == 0) + if (valid_tabpage(lastused_tabpage)) + tab_number = tabpage_index(lastused_tabpage); + else + { + eap->errmsg = ex_errmsg(e_invargval, eap->arg); + tab_number = 0; + goto theend; + } + else if (p == p_save || *p_save == '-' || *p != NUL + || tab_number > LAST_TAB_NR) + { + // No numbers as argument. + eap->errmsg = ex_errmsg(e_invarg2, eap->arg); + goto theend; + } + } + else + { + if (*p_save == NUL) + tab_number = 1; + else if (p == p_save || *p_save == '-' || *p != NUL + || tab_number == 0) + { + // No numbers as argument. + eap->errmsg = ex_errmsg(e_invarg2, eap->arg); + goto theend; + } + tab_number = tab_number * relative + tabpage_index(curtab); + if (!unaccept_arg0 && relative == -1) + --tab_number; + } + if (tab_number < unaccept_arg0 || tab_number > LAST_TAB_NR) + eap->errmsg = ex_errmsg(e_invarg2, eap->arg); + } + else if (eap->addr_count > 0) + { + if (unaccept_arg0 && eap->line2 == 0) + { + eap->errmsg = _(e_invrange); + tab_number = 0; + } + else + { + tab_number = eap->line2; + if (!unaccept_arg0 && *skipwhite(*eap->cmdlinep) == '-') + { + --tab_number; + if (tab_number < unaccept_arg0) + eap->errmsg = _(e_invrange); + } + } + } + else + { + switch (eap->cmdidx) + { + case CMD_tabnext: + tab_number = tabpage_index(curtab) + 1; + if (tab_number > LAST_TAB_NR) + tab_number = 1; + break; + case CMD_tabmove: + tab_number = LAST_TAB_NR; + break; + default: + tab_number = tabpage_index(curtab); + } + } + +theend: + return tab_number; +} + +/* + * ":tabclose": close current tab page, unless it is the last one. + * ":tabclose N": close tab page N. + */ + static void +ex_tabclose(exarg_T *eap) +{ + tabpage_T *tp; + int tab_number; + +# ifdef FEAT_CMDWIN + if (cmdwin_type != 0) + cmdwin_result = K_IGNORE; + else +# endif + if (first_tabpage->tp_next == NULL) + emsg(_("E784: Cannot close last tab page")); + else + { + tab_number = get_tabpage_arg(eap); + if (eap->errmsg == NULL) + { + tp = find_tabpage(tab_number); + if (tp == NULL) + { + beep_flush(); + return; + } + if (tp != curtab) + { + tabpage_close_other(tp, eap->forceit); + return; + } + else if (!text_locked() && !curbuf_locked()) + tabpage_close(eap->forceit); + } + } +} + +/* + * ":tabonly": close all tab pages except the current one + */ + static void +ex_tabonly(exarg_T *eap) +{ + tabpage_T *tp; + int done; + int tab_number; + +# ifdef FEAT_CMDWIN + if (cmdwin_type != 0) + cmdwin_result = K_IGNORE; + else +# endif + if (first_tabpage->tp_next == NULL) + msg(_("Already only one tab page")); + else + { + tab_number = get_tabpage_arg(eap); + if (eap->errmsg == NULL) + { + goto_tabpage(tab_number); + // Repeat this up to a 1000 times, because autocommands may + // mess up the lists. + for (done = 0; done < 1000; ++done) + { + FOR_ALL_TABPAGES(tp) + if (tp->tp_topframe != topframe) + { + tabpage_close_other(tp, eap->forceit); + // if we failed to close it quit + if (valid_tabpage(tp)) + done = 1000; + // start over, "tp" is now invalid + break; + } + if (first_tabpage->tp_next == NULL) + break; + } + } + } +} + +/* + * Close the current tab page. + */ + void +tabpage_close(int forceit) +{ + // First close all the windows but the current one. If that worked then + // close the last window in this tab, that will close it. + if (!ONE_WINDOW) + close_others(TRUE, forceit); + if (ONE_WINDOW) + ex_win_close(forceit, curwin, NULL); +# ifdef FEAT_GUI + need_mouse_correct = TRUE; +# endif +} + +/* + * Close tab page "tp", which is not the current tab page. + * Note that autocommands may make "tp" invalid. + * Also takes care of the tab pages line disappearing when closing the + * last-but-one tab page. + */ + void +tabpage_close_other(tabpage_T *tp, int forceit) +{ + int done = 0; + win_T *wp; + int h = tabline_height(); + + // Limit to 1000 windows, autocommands may add a window while we close + // one. OK, so I'm paranoid... + while (++done < 1000) + { + wp = tp->tp_firstwin; + ex_win_close(forceit, wp, tp); + + // Autocommands may delete the tab page under our fingers and we may + // fail to close a window with a modified buffer. + if (!valid_tabpage(tp) || tp->tp_firstwin == wp) + break; + } + + apply_autocmds(EVENT_TABCLOSED, NULL, NULL, FALSE, curbuf); + + redraw_tabline = TRUE; + if (h != tabline_height()) + shell_new_rows(); +} + +/* + * ":only". + */ + static void +ex_only(exarg_T *eap) +{ + win_T *wp; + int wnr; +# ifdef FEAT_GUI + need_mouse_correct = TRUE; +# endif + if (eap->addr_count > 0) + { + wnr = eap->line2; + for (wp = firstwin; --wnr > 0; ) + { + if (wp->w_next == NULL) + break; + else + wp = wp->w_next; + } + win_goto(wp); + } + close_others(TRUE, eap->forceit); +} + + static void +ex_hide(exarg_T *eap UNUSED) +{ + // ":hide" or ":hide | cmd": hide current window + if (!eap->skip) + { +#ifdef FEAT_GUI + need_mouse_correct = TRUE; +#endif + if (eap->addr_count == 0) + win_close(curwin, FALSE); // don't free buffer + else + { + int winnr = 0; + win_T *win; + + FOR_ALL_WINDOWS(win) + { + winnr++; + if (winnr == eap->line2) + break; + } + if (win == NULL) + win = lastwin; + win_close(win, FALSE); + } + } +} + +/* + * ":stop" and ":suspend": Suspend Vim. + */ + static void +ex_stop(exarg_T *eap) +{ + /* + * Disallow suspending for "rvim". + */ + if (!check_restricted()) + { + if (!eap->forceit) + autowrite_all(); + apply_autocmds(EVENT_VIMSUSPEND, NULL, NULL, FALSE, NULL); + windgoto((int)Rows - 1, 0); + out_char('\n'); + out_flush(); + stoptermcap(); + out_flush(); // needed for SUN to restore xterm buffer +#ifdef FEAT_TITLE + mch_restore_title(SAVE_RESTORE_BOTH); // restore window titles +#endif + ui_suspend(); // call machine specific function +#ifdef FEAT_TITLE + maketitle(); + resettitle(); // force updating the title +#endif + starttermcap(); + scroll_start(); // scroll screen before redrawing + redraw_later_clear(); + shell_resized(); // may have resized window + apply_autocmds(EVENT_VIMRESUME, NULL, NULL, FALSE, NULL); + } +} + +/* + * ":exit", ":xit" and ":wq": Write file and quite the current window. + */ + static void +ex_exit(exarg_T *eap) +{ +#ifdef FEAT_EVAL + if (not_in_vim9(eap) == FAIL) + return; +#endif +#ifdef FEAT_CMDWIN + if (cmdwin_type != 0) + { + cmdwin_result = Ctrl_C; + return; + } +#endif + // Don't quit while editing the command line. + if (text_locked()) + { + text_locked_msg(); + return; + } + + if (before_quit_autocmds(curwin, FALSE, eap->forceit)) + return; + + /* + * if more files or windows we won't exit + */ + if (check_more(FALSE, eap->forceit) == OK && only_one_window()) + exiting = TRUE; + if ( ((eap->cmdidx == CMD_wq + || curbufIsChanged()) + && do_write(eap) == FAIL) + || check_more(TRUE, eap->forceit) == FAIL + || (only_one_window() && check_changed_any(eap->forceit, FALSE))) + { + not_exiting(); + } + else + { + if (only_one_window()) // quit last window, exit Vim + getout(0); + not_exiting(); +# ifdef FEAT_GUI + need_mouse_correct = TRUE; +# endif + // Quit current window, may free the buffer. + win_close(curwin, !buf_hide(curwin->w_buffer)); + } +} + +/* + * ":print", ":list", ":number". + */ + static void +ex_print(exarg_T *eap) +{ + if (curbuf->b_ml.ml_flags & ML_EMPTY) + emsg(_(e_emptybuf)); + else + { + for ( ;!got_int; ui_breakcheck()) + { + print_line(eap->line1, + (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound + || (eap->flags & EXFLAG_NR)), + eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST)); + if (++eap->line1 > eap->line2) + break; + out_flush(); // show one line at a time + } + setpcmark(); + // put cursor at last line + curwin->w_cursor.lnum = eap->line2; + beginline(BL_SOL | BL_FIX); + } + + ex_no_reprint = TRUE; +} + +#ifdef FEAT_BYTEOFF + static void +ex_goto(exarg_T *eap) +{ + goto_byte(eap->line2); +} +#endif + +/* + * ":shell". + */ + static void +ex_shell(exarg_T *eap UNUSED) +{ + do_shell(NULL, 0); +} + +#if defined(HAVE_DROP_FILE) || defined(PROTO) + +static int drop_busy = FALSE; +static int drop_filec; +static char_u **drop_filev = NULL; +static int drop_split; +static void (*drop_callback)(void *); +static void *drop_cookie; + + static void +handle_drop_internal(void) +{ + exarg_T ea; + int save_msg_scroll = msg_scroll; + + // Setting the argument list may cause screen updates and being called + // recursively. Avoid that by setting drop_busy. + drop_busy = TRUE; + + // Check whether the current buffer is changed. If so, we will need + // to split the current window or data could be lost. + // We don't need to check if the 'hidden' option is set, as in this + // case the buffer won't be lost. + if (!buf_hide(curbuf) && !drop_split) + { + ++emsg_off; + drop_split = check_changed(curbuf, CCGD_AW); + --emsg_off; + } + if (drop_split) + { + if (win_split(0, 0) == FAIL) + return; + RESET_BINDING(curwin); + + // When splitting the window, create a new alist. Otherwise the + // existing one is overwritten. + alist_unlink(curwin->w_alist); + alist_new(); + } + + /* + * Set up the new argument list. + */ + alist_set(ALIST(curwin), drop_filec, drop_filev, FALSE, NULL, 0); + + /* + * Move to the first file. + */ + // Fake up a minimal "next" command for do_argfile() + CLEAR_FIELD(ea); + ea.cmd = (char_u *)"next"; + do_argfile(&ea, 0); + + // do_ecmd() may set need_start_insertmode, but since we never left Insert + // mode that is not needed here. + need_start_insertmode = FALSE; + + // Restore msg_scroll, otherwise a following command may cause scrolling + // unexpectedly. The screen will be redrawn by the caller, thus + // msg_scroll being set by displaying a message is irrelevant. + msg_scroll = save_msg_scroll; + + if (drop_callback != NULL) + drop_callback(drop_cookie); + + drop_filev = NULL; + drop_busy = FALSE; +} + +/* + * Handle a file drop. The code is here because a drop is *nearly* like an + * :args command, but not quite (we have a list of exact filenames, so we + * don't want to (a) parse a command line, or (b) expand wildcards). So the + * code is very similar to :args and hence needs access to a lot of the static + * functions in this file. + * + * The "filev" list must have been allocated using alloc(), as should each item + * in the list. This function takes over responsibility for freeing the "filev" + * list. + */ + void +handle_drop( + int filec, // the number of files dropped + char_u **filev, // the list of files dropped + int split, // force splitting the window + void (*callback)(void *), // to be called after setting the argument + // list + void *cookie) // argument for "callback" (allocated) +{ + // Cannot handle recursive drops, finish the pending one. + if (drop_busy) + { + FreeWild(filec, filev); + vim_free(cookie); + return; + } + + // When calling handle_drop() more than once in a row we only use the last + // one. + if (drop_filev != NULL) + { + FreeWild(drop_filec, drop_filev); + vim_free(drop_cookie); + } + + drop_filec = filec; + drop_filev = filev; + drop_split = split; + drop_callback = callback; + drop_cookie = cookie; + + // Postpone this when: + // - editing the command line + // - not possible to change the current buffer + // - updating the screen + // As it may change buffers and window structures that are in use and cause + // freed memory to be used. + if (text_locked() || curbuf_locked() || updating_screen) + return; + + handle_drop_internal(); +} + +/* + * To be called when text is unlocked, curbuf is unlocked or updating_screen is + * reset: Handle a postponed drop. + */ + void +handle_any_postponed_drop(void) +{ + if (!drop_busy && drop_filev != NULL + && !text_locked() && !curbuf_locked() && !updating_screen) + handle_drop_internal(); +} +#endif + +/* + * ":preserve". + */ + static void +ex_preserve(exarg_T *eap UNUSED) +{ + curbuf->b_flags |= BF_PRESERVED; + ml_preserve(curbuf, TRUE); +} + +/* + * ":recover". + */ + static void +ex_recover(exarg_T *eap) +{ + // Set recoverymode right away to avoid the ATTENTION prompt. + recoverymode = TRUE; + if (!check_changed(curbuf, (p_awa ? CCGD_AW : 0) + | CCGD_MULTWIN + | (eap->forceit ? CCGD_FORCEIT : 0) + | CCGD_EXCMD) + + && (*eap->arg == NUL + || setfname(curbuf, eap->arg, NULL, TRUE) == OK)) + ml_recover(TRUE); + recoverymode = FALSE; +} + +/* + * Command modifier used in a wrong way. + */ + static void +ex_wrongmodifier(exarg_T *eap) +{ + eap->errmsg = _(e_invalid_command); +} + +/* + * :sview [+command] file split window with new file, read-only + * :split [[+command] file] split window with current or new file + * :vsplit [[+command] file] split window vertically with current or new file + * :new [[+command] file] split window with no or new file + * :vnew [[+command] file] split vertically window with no or new file + * :sfind [+command] file split window with file in 'path' + * + * :tabedit open new Tab page with empty window + * :tabedit [+command] file open new Tab page and edit "file" + * :tabnew [[+command] file] just like :tabedit + * :tabfind [+command] file open new Tab page and find "file" + */ + void +ex_splitview(exarg_T *eap) +{ + win_T *old_curwin = curwin; +#if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE) + char_u *fname = NULL; +#endif +#ifdef FEAT_BROWSE + char_u dot_path[] = "."; + int save_cmod_flags = cmdmod.cmod_flags; +#endif + int use_tab = eap->cmdidx == CMD_tabedit + || eap->cmdidx == CMD_tabfind + || eap->cmdidx == CMD_tabnew; + + if (ERROR_IF_ANY_POPUP_WINDOW) + return; + +#ifdef FEAT_GUI + need_mouse_correct = TRUE; +#endif + +#ifdef FEAT_QUICKFIX + // A ":split" in the quickfix window works like ":new". Don't want two + // quickfix windows. But it's OK when doing ":tab split". + if (bt_quickfix(curbuf) && cmdmod.cmod_tab == 0) + { + if (eap->cmdidx == CMD_split) + eap->cmdidx = CMD_new; + if (eap->cmdidx == CMD_vsplit) + eap->cmdidx = CMD_vnew; + } +#endif + +#ifdef FEAT_SEARCHPATH + if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind) + { + fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), + FNAME_MESS, TRUE, curbuf->b_ffname); + if (fname == NULL) + goto theend; + eap->arg = fname; + } +# ifdef FEAT_BROWSE + else +# endif +#endif +#ifdef FEAT_BROWSE + if ((cmdmod.cmod_flags & CMOD_BROWSE) + && eap->cmdidx != CMD_vnew + && eap->cmdidx != CMD_new) + { + if ( +# ifdef FEAT_GUI + !gui.in_use && +# endif + au_has_group((char_u *)"FileExplorer")) + { + // No browsing supported but we do have the file explorer: + // Edit the directory. + if (*eap->arg == NUL || !mch_isdir(eap->arg)) + eap->arg = dot_path; + } + else + { + fname = do_browse(0, (char_u *)(use_tab + ? _("Edit File in new tab page") + : _("Edit File in new window")), + eap->arg, NULL, NULL, NULL, curbuf); + if (fname == NULL) + goto theend; + eap->arg = fname; + } + } + cmdmod.cmod_flags &= ~CMOD_BROWSE; // Don't browse again in do_ecmd(). +#endif + + /* + * Either open new tab page or split the window. + */ + if (use_tab) + { + if (win_new_tabpage(cmdmod.cmod_tab != 0 ? cmdmod.cmod_tab + : eap->addr_count == 0 ? 0 + : (int)eap->line2 + 1) != FAIL) + { + do_exedit(eap, old_curwin); + + // set the alternate buffer for the window we came from + if (curwin != old_curwin + && win_valid(old_curwin) + && old_curwin->w_buffer != curbuf + && (cmdmod.cmod_flags & CMOD_KEEPALT) == 0) + old_curwin->w_alt_fnum = curbuf->b_fnum; + } + } + else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0, + *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL) + { + // Reset 'scrollbind' when editing another file, but keep it when + // doing ":split" without arguments. + if (*eap->arg != NUL) + RESET_BINDING(curwin); + else + do_check_scrollbind(FALSE); + do_exedit(eap, old_curwin); + } + +# ifdef FEAT_BROWSE + cmdmod.cmod_flags = save_cmod_flags; +# endif + +# if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE) +theend: + vim_free(fname); +# endif +} + +/* + * Open a new tab page. + */ + void +tabpage_new(void) +{ + exarg_T ea; + + CLEAR_FIELD(ea); + ea.cmdidx = CMD_tabnew; + ea.cmd = (char_u *)"tabn"; + ea.arg = (char_u *)""; + ex_splitview(&ea); +} + +/* + * :tabnext command + */ + static void +ex_tabnext(exarg_T *eap) +{ + int tab_number; + + if (ERROR_IF_POPUP_WINDOW) + return; + switch (eap->cmdidx) + { + case CMD_tabfirst: + case CMD_tabrewind: + goto_tabpage(1); + break; + case CMD_tablast: + goto_tabpage(9999); + break; + case CMD_tabprevious: + case CMD_tabNext: + if (eap->arg && *eap->arg != NUL) + { + char_u *p = eap->arg; + char_u *p_save = p; + + tab_number = getdigits(&p); + if (p == p_save || *p_save == '-' || *p != NUL + || tab_number == 0) + { + // No numbers as argument. + eap->errmsg = ex_errmsg(e_invarg2, eap->arg); + return; + } + } + else + { + if (eap->addr_count == 0) + tab_number = 1; + else + { + tab_number = eap->line2; + if (tab_number < 1) + { + eap->errmsg = _(e_invrange); + return; + } + } + } + goto_tabpage(-tab_number); + break; + default: // CMD_tabnext + tab_number = get_tabpage_arg(eap); + if (eap->errmsg == NULL) + goto_tabpage(tab_number); + break; + } +} + +/* + * :tabmove command + */ + static void +ex_tabmove(exarg_T *eap) +{ + int tab_number; + + tab_number = get_tabpage_arg(eap); + if (eap->errmsg == NULL) + tabpage_move(tab_number); +} + +/* + * :tabs command: List tabs and their contents. + */ + static void +ex_tabs(exarg_T *eap UNUSED) +{ + tabpage_T *tp; + win_T *wp; + int tabcount = 1; + + msg_start(); + msg_scroll = TRUE; + for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next) + { + msg_putchar('\n'); + vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++); + msg_outtrans_attr(IObuff, HL_ATTR(HLF_T)); + out_flush(); // output one line at a time + ui_breakcheck(); + + if (tp == curtab) + wp = firstwin; + else + wp = tp->tp_firstwin; + for ( ; wp != NULL && !got_int; wp = wp->w_next) + { + msg_putchar('\n'); + msg_putchar(wp == curwin ? '>' : ' '); + msg_putchar(' '); + msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' '); + msg_putchar(' '); + if (buf_spname(wp->w_buffer) != NULL) + vim_strncpy(IObuff, buf_spname(wp->w_buffer), IOSIZE - 1); + else + home_replace(wp->w_buffer, wp->w_buffer->b_fname, + IObuff, IOSIZE, TRUE); + msg_outtrans(IObuff); + out_flush(); // output one line at a time + ui_breakcheck(); + } + } +} + +/* + * ":mode": Set screen mode. + * If no argument given, just get the screen size and redraw. + */ + static void +ex_mode(exarg_T *eap) +{ + if (*eap->arg == NUL) + shell_resized(); + else + emsg(_(e_screenmode)); +} + +/* + * ":resize". + * set, increment or decrement current window height + */ + static void +ex_resize(exarg_T *eap) +{ + int n; + win_T *wp = curwin; + + if (eap->addr_count > 0) + { + n = eap->line2; + for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next) + ; + } + +# ifdef FEAT_GUI + need_mouse_correct = TRUE; +# endif + n = atol((char *)eap->arg); + if (cmdmod.cmod_split & WSP_VERT) + { + if (*eap->arg == '-' || *eap->arg == '+') + n += wp->w_width; + else if (n == 0 && eap->arg[0] == NUL) // default is very wide + n = 9999; + win_setwidth_win((int)n, wp); + } + else + { + if (*eap->arg == '-' || *eap->arg == '+') + n += wp->w_height; + else if (n == 0 && eap->arg[0] == NUL) // default is very high + n = 9999; + win_setheight_win((int)n, wp); + } +} + +/* + * ":find [+command] <file>" command. + */ + static void +ex_find(exarg_T *eap) +{ +#ifdef FEAT_SEARCHPATH + char_u *fname; + int count; + + fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS, + TRUE, curbuf->b_ffname); + if (eap->addr_count > 0) + { + // Repeat finding the file "count" times. This matters when it + // appears several times in the path. + count = eap->line2; + while (fname != NULL && --count > 0) + { + vim_free(fname); + fname = find_file_in_path(NULL, 0, FNAME_MESS, + FALSE, curbuf->b_ffname); + } + } + + if (fname != NULL) + { + eap->arg = fname; +#endif + do_exedit(eap, NULL); +#ifdef FEAT_SEARCHPATH + vim_free(fname); + } +#endif +} + +/* + * ":open" simulation: for now just work like ":visual". + */ + static void +ex_open(exarg_T *eap) +{ + regmatch_T regmatch; + char_u *p; + + curwin->w_cursor.lnum = eap->line2; + beginline(BL_SOL | BL_FIX); + if (*eap->arg == '/') + { + // ":open /pattern/": put cursor in column found with pattern + ++eap->arg; + p = skip_regexp(eap->arg, '/', magic_isset()); + *p = NUL; + regmatch.regprog = vim_regcomp(eap->arg, magic_isset() ? RE_MAGIC : 0); + if (regmatch.regprog != NULL) + { + regmatch.rm_ic = p_ic; + p = ml_get_curline(); + if (vim_regexec(®match, p, (colnr_T)0)) + curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p); + else + emsg(_(e_nomatch)); + vim_regfree(regmatch.regprog); + } + // Move to the NUL, ignore any other arguments. + eap->arg += STRLEN(eap->arg); + } + check_cursor(); + + eap->cmdidx = CMD_visual; + do_exedit(eap, NULL); +} + +/* + * ":edit", ":badd", ":balt", ":visual". + */ + static void +ex_edit(exarg_T *eap) +{ + do_exedit(eap, NULL); +} + +/* + * ":edit <file>" command and alike. + */ + void +do_exedit( + exarg_T *eap, + win_T *old_curwin) // curwin before doing a split or NULL +{ + int n; + int need_hide; + int exmode_was = exmode_active; + + if ((eap->cmdidx != CMD_pedit && ERROR_IF_POPUP_WINDOW) + || ERROR_IF_TERM_POPUP_WINDOW) + return; + /* + * ":vi" command ends Ex mode. + */ + if (exmode_active && (eap->cmdidx == CMD_visual + || eap->cmdidx == CMD_view)) + { + exmode_active = FALSE; + ex_pressedreturn = FALSE; + if (*eap->arg == NUL) + { + // Special case: ":global/pat/visual\NLvi-commands" + if (global_busy) + { + int rd = RedrawingDisabled; + int nwr = no_wait_return; + int ms = msg_scroll; +#ifdef FEAT_GUI + int he = hold_gui_events; +#endif + + if (eap->nextcmd != NULL) + { + stuffReadbuff(eap->nextcmd); + eap->nextcmd = NULL; + } + + if (exmode_was != EXMODE_VIM) + settmode(TMODE_RAW); + RedrawingDisabled = 0; + no_wait_return = 0; + need_wait_return = FALSE; + msg_scroll = 0; +#ifdef FEAT_GUI + hold_gui_events = 0; +#endif + must_redraw = CLEAR; + pending_exmode_active = TRUE; + + main_loop(FALSE, TRUE); + + pending_exmode_active = FALSE; + RedrawingDisabled = rd; + no_wait_return = nwr; + msg_scroll = ms; +#ifdef FEAT_GUI + hold_gui_events = he; +#endif + } + return; + } + } + + if ((eap->cmdidx == CMD_new + || eap->cmdidx == CMD_tabnew + || eap->cmdidx == CMD_tabedit + || eap->cmdidx == CMD_vnew) && *eap->arg == NUL) + { + // ":new" or ":tabnew" without argument: edit an new empty buffer + setpcmark(); + (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE, + ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0), + old_curwin == NULL ? curwin : NULL); + } + else if ((eap->cmdidx != CMD_split && eap->cmdidx != CMD_vsplit) + || *eap->arg != NUL +#ifdef FEAT_BROWSE + || (cmdmod.cmod_flags & CMOD_BROWSE) +#endif + ) + { + // Can't edit another file when "curbuf_lock" is set. Only ":edit" + // can bring us here, others are stopped earlier. + if (*eap->arg != NUL && curbuf_locked()) + return; + + n = readonlymode; + if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview) + readonlymode = TRUE; + else if (eap->cmdidx == CMD_enew) + readonlymode = FALSE; // 'readonly' doesn't make sense in an + // empty buffer + if (eap->cmdidx != CMD_balt && eap->cmdidx != CMD_badd) + setpcmark(); + if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg), + NULL, eap, + // ":edit" goes to first line if Vi compatible + (*eap->arg == NUL && eap->do_ecmd_lnum == 0 + && vim_strchr(p_cpo, CPO_GOTO1) != NULL) + ? ECMD_ONE : eap->do_ecmd_lnum, + (buf_hide(curbuf) ? ECMD_HIDE : 0) + + (eap->forceit ? ECMD_FORCEIT : 0) + // after a split we can use an existing buffer + + (old_curwin != NULL ? ECMD_OLDBUF : 0) + + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0) + + (eap->cmdidx == CMD_balt ? ECMD_ALTBUF : 0) + , old_curwin == NULL ? curwin : NULL) == FAIL) + { + // Editing the file failed. If the window was split, close it. + if (old_curwin != NULL) + { + need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1); + if (!need_hide || buf_hide(curbuf)) + { +#if defined(FEAT_EVAL) + cleanup_T cs; + + // Reset the error/interrupt/exception state here so that + // aborting() returns FALSE when closing a window. + enter_cleanup(&cs); +#endif +#ifdef FEAT_GUI + need_mouse_correct = TRUE; +#endif + win_close(curwin, !need_hide && !buf_hide(curbuf)); + +#if defined(FEAT_EVAL) + // Restore the error/interrupt/exception state if not + // discarded by a new aborting error, interrupt, or + // uncaught exception. + leave_cleanup(&cs); +#endif + } + } + } + else if (readonlymode && curbuf->b_nwindows == 1) + { + // When editing an already visited buffer, 'readonly' won't be set + // but the previous value is kept. With ":view" and ":sview" we + // want the file to be readonly, except when another window is + // editing the same buffer. + curbuf->b_p_ro = TRUE; + } + readonlymode = n; + } + else + { + if (eap->do_ecmd_cmd != NULL) + do_cmd_argument(eap->do_ecmd_cmd); +#ifdef FEAT_TITLE + n = curwin->w_arg_idx_invalid; +#endif + check_arg_idx(curwin); +#ifdef FEAT_TITLE + if (n != curwin->w_arg_idx_invalid) + maketitle(); +#endif + } + + /* + * if ":split file" worked, set alternate file name in old window to new + * file + */ + if (old_curwin != NULL + && *eap->arg != NUL + && curwin != old_curwin + && win_valid(old_curwin) + && old_curwin->w_buffer != curbuf + && (cmdmod.cmod_flags & CMOD_KEEPALT) == 0) + old_curwin->w_alt_fnum = curbuf->b_fnum; + + ex_no_reprint = TRUE; +} + +#ifndef FEAT_GUI +/* + * ":gui" and ":gvim" when there is no GUI. + */ + static void +ex_nogui(exarg_T *eap) +{ + eap->errmsg = _(e_nogvim); +} +#endif + +#if defined(FEAT_GUI_MSWIN) && defined(FEAT_MENU) && defined(FEAT_TEAROFF) + static void +ex_tearoff(exarg_T *eap) +{ + gui_make_tearoff(eap->arg); +} +#endif + +#if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \ + || defined(FEAT_TERM_POPUP_MENU)) && defined(FEAT_MENU) + static void +ex_popup(exarg_T *eap) +{ +# if defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) + if (gui.in_use) + gui_make_popup(eap->arg, eap->forceit); +# ifdef FEAT_TERM_POPUP_MENU + else +# endif +# endif +# ifdef FEAT_TERM_POPUP_MENU + pum_make_popup(eap->arg, eap->forceit); +# endif +} +#endif + + static void +ex_swapname(exarg_T *eap UNUSED) +{ + if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL) + msg(_("No swap file")); + else + msg((char *)curbuf->b_ml.ml_mfp->mf_fname); +} + +/* + * ":syncbind" forces all 'scrollbind' windows to have the same relative + * offset. + * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>) + */ + static void +ex_syncbind(exarg_T *eap UNUSED) +{ + win_T *wp; + win_T *save_curwin = curwin; + buf_T *save_curbuf = curbuf; + long topline; + long y; + linenr_T old_linenr = curwin->w_cursor.lnum; + + setpcmark(); + + /* + * determine max topline + */ + if (curwin->w_p_scb) + { + topline = curwin->w_topline; + FOR_ALL_WINDOWS(wp) + { + if (wp->w_p_scb && wp->w_buffer) + { + y = wp->w_buffer->b_ml.ml_line_count - get_scrolloff_value(); + if (topline > y) + topline = y; + } + } + if (topline < 1) + topline = 1; + } + else + { + topline = 1; + } + + + /* + * Set all scrollbind windows to the same topline. + */ + FOR_ALL_WINDOWS(curwin) + { + if (curwin->w_p_scb) + { + curbuf = curwin->w_buffer; + y = topline - curwin->w_topline; + if (y > 0) + scrollup(y, TRUE); + else + scrolldown(-y, TRUE); + curwin->w_scbind_pos = topline; + redraw_later(VALID); + cursor_correct(); + curwin->w_redr_status = TRUE; + } + } + curwin = save_curwin; + curbuf = save_curbuf; + if (curwin->w_p_scb) + { + did_syncbind = TRUE; + checkpcmark(); + if (old_linenr != curwin->w_cursor.lnum) + { + char_u ctrl_o[2]; + + ctrl_o[0] = Ctrl_O; + ctrl_o[1] = 0; + ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE); + } + } +} + + + static void +ex_read(exarg_T *eap) +{ + int i; + int empty = (curbuf->b_ml.ml_flags & ML_EMPTY); + linenr_T lnum; + + if (eap->usefilter) // :r!cmd + do_bang(1, eap, FALSE, FALSE, TRUE); + else + { + if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL) + return; + +#ifdef FEAT_BROWSE + if (cmdmod.cmod_flags & CMOD_BROWSE) + { + char_u *browseFile; + + browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg, + NULL, NULL, NULL, curbuf); + if (browseFile != NULL) + { + i = readfile(browseFile, NULL, + eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0); + vim_free(browseFile); + } + else + i = OK; + } + else +#endif + if (*eap->arg == NUL) + { + if (check_fname() == FAIL) // check for no file name + return; + i = readfile(curbuf->b_ffname, curbuf->b_fname, + eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0); + } + else + { + if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL) + (void)setaltfname(eap->arg, eap->arg, (linenr_T)1); + i = readfile(eap->arg, NULL, + eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0); + + } + if (i != OK) + { +#if defined(FEAT_EVAL) + if (!aborting()) +#endif + semsg(_(e_notopen), eap->arg); + } + else + { + if (empty && exmode_active) + { + // Delete the empty line that remains. Historically ex does + // this but vi doesn't. + if (eap->line2 == 0) + lnum = curbuf->b_ml.ml_line_count; + else + lnum = 1; + if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK) + { + ml_delete(lnum); + if (curwin->w_cursor.lnum > 1 + && curwin->w_cursor.lnum >= lnum) + --curwin->w_cursor.lnum; + deleted_lines_mark(lnum, 1L); + } + } + redraw_curbuf_later(VALID); + } + } +} + +static char_u *prev_dir = NULL; + +#if defined(EXITFREE) || defined(PROTO) + void +free_cd_dir(void) +{ + VIM_CLEAR(prev_dir); + VIM_CLEAR(globaldir); +} +#endif + +/* + * Get the previous directory for the given chdir scope. + */ + static char_u * +get_prevdir(cdscope_T scope) +{ + if (scope == CDSCOPE_WINDOW) + return curwin->w_prevdir; + else if (scope == CDSCOPE_TABPAGE) + return curtab->tp_prevdir; + return prev_dir; +} + +/* + * Deal with the side effects of changing the current directory. + * When 'scope' is CDSCOPE_TABPAGE then this was after an ":tcd" command. + * When 'scope' is CDSCOPE_WINDOW then this was after an ":lcd" command. + */ + void +post_chdir(cdscope_T scope) +{ + if (scope != CDSCOPE_WINDOW) + // Clear tab local directory for both :cd and :tcd + VIM_CLEAR(curtab->tp_localdir); + VIM_CLEAR(curwin->w_localdir); + if (scope != CDSCOPE_GLOBAL) + { + char_u *pdir = get_prevdir(scope); + + // If still in the global directory, need to remember current + // directory as the global directory. + if (globaldir == NULL && pdir != NULL) + globaldir = vim_strsave(pdir); + + // Remember this local directory for the window. + if (mch_dirname(NameBuff, MAXPATHL) == OK) + { + if (scope == CDSCOPE_TABPAGE) + curtab->tp_localdir = vim_strsave(NameBuff); + else + curwin->w_localdir = vim_strsave(NameBuff); + } + } + else + { + // We are now in the global directory, no need to remember its name. + VIM_CLEAR(globaldir); + } + + shorten_fnames(TRUE); +} + +/* + * Change directory function used by :cd/:tcd/:lcd Ex commands and the + * chdir() function. + * scope == CDSCOPE_WINDOW: changes the window-local directory + * scope == CDSCOPE_TABPAGE: changes the tab-local directory + * Otherwise: changes the global directory + * Returns TRUE if the directory is successfully changed. + */ + int +changedir_func( + char_u *new_dir, + int forceit, + cdscope_T scope) +{ + char_u *tofree; + char_u *pdir = NULL; + int dir_differs; + int retval = FALSE; + + if (new_dir == NULL || allbuf_locked()) + return FALSE; + + if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged() && !forceit) + { + emsg(_("E747: Cannot change directory, buffer is modified (add ! to override)")); + return FALSE; + } + + // ":cd -": Change to previous directory + if (STRCMP(new_dir, "-") == 0) + { + pdir = get_prevdir(scope); + if (pdir == NULL) + { + emsg(_("E186: No previous directory")); + return FALSE; + } + new_dir = pdir; + } + + // Free the previous directory + tofree = get_prevdir(scope); + + // Save current directory for next ":cd -" + if (mch_dirname(NameBuff, MAXPATHL) == OK) + pdir = vim_strsave(NameBuff); + else + pdir = NULL; + if (scope == CDSCOPE_WINDOW) + curwin->w_prevdir = pdir; + else if (scope == CDSCOPE_TABPAGE) + curtab->tp_prevdir = pdir; + else + prev_dir = pdir; + +#if defined(UNIX) || defined(VMS) + // for UNIX ":cd" means: go to home directory + if (*new_dir == NUL) + { + // use NameBuff for home directory name +# ifdef VMS + char_u *p; + + p = mch_getenv((char_u *)"SYS$LOGIN"); + if (p == NULL || *p == NUL) // empty is the same as not set + NameBuff[0] = NUL; + else + vim_strncpy(NameBuff, p, MAXPATHL - 1); +# else + expand_env((char_u *)"$HOME", NameBuff, MAXPATHL); +# endif + new_dir = NameBuff; + } +#endif + dir_differs = new_dir == NULL || pdir == NULL + || pathcmp((char *)pdir, (char *)new_dir, -1) != 0; + if (new_dir == NULL || (dir_differs && vim_chdir(new_dir))) + emsg(_(e_failed)); + else + { + char_u *acmd_fname; + + post_chdir(scope); + + if (dir_differs) + { + if (scope == CDSCOPE_WINDOW) + acmd_fname = (char_u *)"window"; + else if (scope == CDSCOPE_TABPAGE) + acmd_fname = (char_u *)"tabpage"; + else + acmd_fname = (char_u *)"global"; + apply_autocmds(EVENT_DIRCHANGED, acmd_fname, new_dir, FALSE, + curbuf); + } + retval = TRUE; + } + vim_free(tofree); + + return retval; +} + +/* + * ":cd", ":tcd", ":lcd", ":chdir" ":tchdir" and ":lchdir". + */ + void +ex_cd(exarg_T *eap) +{ + char_u *new_dir; + + new_dir = eap->arg; +#if !defined(UNIX) && !defined(VMS) + // for non-UNIX ":cd" means: print current directory + if (*new_dir == NUL) + ex_pwd(NULL); + else +#endif + { + cdscope_T scope = CDSCOPE_GLOBAL; + + if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir) + scope = CDSCOPE_WINDOW; + else if (eap->cmdidx == CMD_tcd || eap->cmdidx == CMD_tchdir) + scope = CDSCOPE_TABPAGE; + + if (changedir_func(new_dir, eap->forceit, scope)) + { + // Echo the new current directory if the command was typed. + if (KeyTyped || p_verbose >= 5) + ex_pwd(eap); + } + } +} + +/* + * ":pwd". + */ + static void +ex_pwd(exarg_T *eap UNUSED) +{ + if (mch_dirname(NameBuff, MAXPATHL) == OK) + { +#ifdef BACKSLASH_IN_FILENAME + slash_adjust(NameBuff); +#endif + if (p_verbose > 0) + { + char *context = "global"; + + if (curwin->w_localdir != NULL) + context = "window"; + else if (curtab->tp_localdir != NULL) + context = "tabpage"; + smsg("[%s] %s", context, (char *)NameBuff); + } + else + msg((char *)NameBuff); + } + else + emsg(_("E187: Unknown")); +} + +/* + * ":=". + */ + static void +ex_equal(exarg_T *eap) +{ + smsg("%ld", (long)eap->line2); + ex_may_print(eap); +} + + static void +ex_sleep(exarg_T *eap) +{ + int n; + long len; + + if (cursor_valid()) + { + n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled; + if (n >= 0) + windgoto((int)n, curwin->w_wincol + curwin->w_wcol); + } + + len = eap->line2; + switch (*eap->arg) + { + case 'm': break; + case NUL: len *= 1000L; break; + default: semsg(_(e_invarg2), eap->arg); return; + } + + // Hide the cursor if invoked with ! + do_sleep(len, eap->forceit); +} + +/* + * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second. + * Hide the cursor if "hide_cursor" is TRUE. + */ + void +do_sleep(long msec, int hide_cursor) +{ + long done = 0; + long wait_now; +# ifdef ELAPSED_FUNC + elapsed_T start_tv; + + // Remember at what time we started, so that we know how much longer we + // should wait after waiting for a bit. + ELAPSED_INIT(start_tv); +# endif + + if (hide_cursor) + cursor_off(); + else + cursor_on(); + + out_flush_cursor(FALSE, FALSE); + while (!got_int && done < msec) + { + wait_now = msec - done > 1000L ? 1000L : msec - done; +#ifdef FEAT_TIMERS + { + long due_time = check_due_timer(); + + if (due_time > 0 && due_time < wait_now) + wait_now = due_time; + } +#endif +#ifdef FEAT_JOB_CHANNEL + if (has_any_channel() && wait_now > 20L) + wait_now = 20L; +#endif +#ifdef FEAT_SOUND + if (has_any_sound_callback() && wait_now > 20L) + wait_now = 20L; +#endif + ui_delay(wait_now, TRUE); + +#ifdef FEAT_JOB_CHANNEL + if (has_any_channel()) + ui_breakcheck_force(TRUE); + else +#endif + ui_breakcheck(); +#ifdef MESSAGE_QUEUE + // Process the netbeans and clientserver messages that may have been + // received in the call to ui_breakcheck() when the GUI is in use. This + // may occur when running a test case. + parse_queued_messages(); +#endif + +# ifdef ELAPSED_FUNC + // actual time passed + done = ELAPSED_FUNC(start_tv); +# else + // guestimate time passed (will actually be more) + done += wait_now; +# endif + } + + // If CTRL-C was typed to interrupt the sleep, drop the CTRL-C from the + // input buffer, otherwise a following call to input() fails. + if (got_int) + (void)vpeekc(); +} + +/* + * ":winsize" command (obsolete). + */ + static void +ex_winsize(exarg_T *eap) +{ + int w, h; + char_u *arg = eap->arg; + char_u *p; + + w = getdigits(&arg); + arg = skipwhite(arg); + p = arg; + h = getdigits(&arg); + if (*p != NUL && *arg == NUL) + set_shellsize(w, h, TRUE); + else + emsg(_("E465: :winsize requires two number arguments")); +} + + static void +ex_wincmd(exarg_T *eap) +{ + int xchar = NUL; + char_u *p; + + if (*eap->arg == 'g' || *eap->arg == Ctrl_G) + { + // CTRL-W g and CTRL-W CTRL-G have an extra command character + if (eap->arg[1] == NUL) + { + emsg(_(e_invarg)); + return; + } + xchar = eap->arg[1]; + p = eap->arg + 2; + } + else + p = eap->arg + 1; + + eap->nextcmd = check_nextcmd(p); + p = skipwhite(p); + if (*p != NUL && *p != ( +#ifdef FEAT_EVAL + in_vim9script() ? '#' : +#endif + '"') + && eap->nextcmd == NULL) + emsg(_(e_invarg)); + else if (!eap->skip) + { + // Pass flags on for ":vertical wincmd ]". + postponed_split_flags = cmdmod.cmod_split; + postponed_split_tab = cmdmod.cmod_tab; + do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar); + postponed_split_flags = 0; + postponed_split_tab = 0; + } +} + +#if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN) +/* + * ":winpos". + */ + static void +ex_winpos(exarg_T *eap) +{ + int x, y; + char_u *arg = eap->arg; + char_u *p; + + if (*arg == NUL) + { +# if defined(FEAT_GUI) || defined(MSWIN) +# ifdef VIMDLL + if (gui.in_use ? gui_mch_get_winpos(&x, &y) != FAIL : + mch_get_winpos(&x, &y) != FAIL) +# elif defined(FEAT_GUI) + if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL) +# else + if (mch_get_winpos(&x, &y) != FAIL) +# endif + { + sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y); + msg((char *)IObuff); + } + else +# endif + emsg(_("E188: Obtaining window position not implemented for this platform")); + } + else + { + x = getdigits(&arg); + arg = skipwhite(arg); + p = arg; + y = getdigits(&arg); + if (*p == NUL || *arg != NUL) + { + emsg(_("E466: :winpos requires two number arguments")); + return; + } +# ifdef FEAT_GUI + if (gui.in_use) + gui_mch_set_winpos(x, y); + else if (gui.starting) + { + // Remember the coordinates for when the window is opened. + gui_win_x = x; + gui_win_y = y; + } +# if defined(HAVE_TGETENT) || defined(VIMDLL) + else +# endif +# endif +# if defined(MSWIN) && (!defined(FEAT_GUI) || defined(VIMDLL)) + mch_set_winpos(x, y); +# endif +# ifdef HAVE_TGETENT + if (*T_CWP) + term_set_winpos(x, y); +# endif + } +} +#endif + +/* + * Handle command that work like operators: ":delete", ":yank", ":>" and ":<". + */ + static void +ex_operators(exarg_T *eap) +{ + oparg_T oa; + + clear_oparg(&oa); + oa.regname = eap->regname; + oa.start.lnum = eap->line1; + oa.end.lnum = eap->line2; + oa.line_count = eap->line2 - eap->line1 + 1; + oa.motion_type = MLINE; + virtual_op = FALSE; + if (eap->cmdidx != CMD_yank) // position cursor for undo + { + setpcmark(); + curwin->w_cursor.lnum = eap->line1; + beginline(BL_SOL | BL_FIX); + } + + if (VIsual_active) + end_visual_mode(); + + switch (eap->cmdidx) + { + case CMD_delete: + oa.op_type = OP_DELETE; + op_delete(&oa); + break; + + case CMD_yank: + oa.op_type = OP_YANK; + (void)op_yank(&oa, FALSE, TRUE); + break; + + default: // CMD_rshift or CMD_lshift + if ( +#ifdef FEAT_RIGHTLEFT + (eap->cmdidx == CMD_rshift) ^ curwin->w_p_rl +#else + eap->cmdidx == CMD_rshift +#endif + ) + oa.op_type = OP_RSHIFT; + else + oa.op_type = OP_LSHIFT; + op_shift(&oa, FALSE, eap->amount); + break; + } + virtual_op = MAYBE; + ex_may_print(eap); +} + +/* + * ":put". + */ + static void +ex_put(exarg_T *eap) +{ + // ":0put" works like ":1put!". + if (eap->line2 == 0) + { + eap->line2 = 1; + eap->forceit = TRUE; + } + curwin->w_cursor.lnum = eap->line2; + do_put(eap->regname, NULL, eap->forceit ? BACKWARD : FORWARD, 1L, + PUT_LINE|PUT_CURSLINE); +} + +/* + * Handle ":copy" and ":move". + */ + static void +ex_copymove(exarg_T *eap) +{ + long n; + +#ifdef FEAT_EVAL + if (not_in_vim9(eap) == FAIL) + return; +#endif + n = get_address(eap, &eap->arg, eap->addr_type, FALSE, FALSE, FALSE, 1); + if (eap->arg == NULL) // error detected + { + eap->nextcmd = NULL; + return; + } + get_flags(eap); + + /* + * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n' + */ + if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count) + { + emsg(_(e_invrange)); + return; + } + + if (eap->cmdidx == CMD_move) + { + if (do_move(eap->line1, eap->line2, n) == FAIL) + return; + } + else + ex_copy(eap->line1, eap->line2, n); + u_clearline(); + beginline(BL_SOL | BL_FIX); + ex_may_print(eap); +} + +/* + * Print the current line if flags were given to the Ex command. + */ + void +ex_may_print(exarg_T *eap) +{ + if (eap->flags != 0) + { + print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR), + (eap->flags & EXFLAG_LIST)); + ex_no_reprint = TRUE; + } +} + +/* + * ":smagic" and ":snomagic". + */ + static void +ex_submagic(exarg_T *eap) +{ + optmagic_T saved = magic_overruled; + + magic_overruled = eap->cmdidx == CMD_smagic + ? OPTION_MAGIC_ON : OPTION_MAGIC_OFF; + ex_substitute(eap); + magic_overruled = saved; +} + +/* + * ":join". + */ + static void +ex_join(exarg_T *eap) +{ + curwin->w_cursor.lnum = eap->line1; + if (eap->line1 == eap->line2) + { + if (eap->addr_count >= 2) // :2,2join does nothing + return; + if (eap->line2 == curbuf->b_ml.ml_line_count) + { + beep_flush(); + return; + } + ++eap->line2; + } + (void)do_join(eap->line2 - eap->line1 + 1, !eap->forceit, TRUE, TRUE, TRUE); + beginline(BL_WHITE | BL_FIX); + ex_may_print(eap); +} + +/* + * ":[addr]@r" or ":[addr]*r": execute register + */ + static void +ex_at(exarg_T *eap) +{ + int c; + int prev_len = typebuf.tb_len; + + curwin->w_cursor.lnum = eap->line2; + check_cursor_col(); + +#ifdef USE_ON_FLY_SCROLL + dont_scroll = TRUE; // disallow scrolling here +#endif + + // get the register name. No name means to use the previous one + c = *eap->arg; + if (c == NUL || (c == '*' && *eap->cmd == '*')) + c = '@'; + // Put the register in the typeahead buffer with the "silent" flag. + if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE) + == FAIL) + { + beep_flush(); + } + else + { + int save_efr = exec_from_reg; + + exec_from_reg = TRUE; + + /* + * Execute from the typeahead buffer. + * Continue until the stuff buffer is empty and all added characters + * have been consumed. + */ + while (!stuff_empty() || typebuf.tb_len > prev_len) + (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE); + + exec_from_reg = save_efr; + } +} + +/* + * ":!". + */ + static void +ex_bang(exarg_T *eap) +{ + do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE); +} + +/* + * ":undo". + */ + static void +ex_undo(exarg_T *eap) +{ + if (eap->addr_count == 1) // :undo 123 + undo_time(eap->line2, FALSE, FALSE, TRUE); + else + u_undo(1); +} + +#ifdef FEAT_PERSISTENT_UNDO + static void +ex_wundo(exarg_T *eap) +{ + char_u hash[UNDO_HASH_SIZE]; + + u_compute_hash(hash); + u_write_undo(eap->arg, eap->forceit, curbuf, hash); +} + + static void +ex_rundo(exarg_T *eap) +{ + char_u hash[UNDO_HASH_SIZE]; + + u_compute_hash(hash); + u_read_undo(eap->arg, hash, NULL); +} +#endif + +/* + * ":redo". + */ + static void +ex_redo(exarg_T *eap UNUSED) +{ + u_redo(1); +} + +/* + * ":earlier" and ":later". + */ + static void +ex_later(exarg_T *eap) +{ + long count = 0; + int sec = FALSE; + int file = FALSE; + char_u *p = eap->arg; + + if (*p == NUL) + count = 1; + else if (isdigit(*p)) + { + count = getdigits(&p); + switch (*p) + { + case 's': ++p; sec = TRUE; break; + case 'm': ++p; sec = TRUE; count *= 60; break; + case 'h': ++p; sec = TRUE; count *= 60 * 60; break; + case 'd': ++p; sec = TRUE; count *= 24 * 60 * 60; break; + case 'f': ++p; file = TRUE; break; + } + } + + if (*p != NUL) + semsg(_(e_invarg2), eap->arg); + else + undo_time(eap->cmdidx == CMD_earlier ? -count : count, + sec, file, FALSE); +} + +/* + * ":redir": start/stop redirection. + */ + static void +ex_redir(exarg_T *eap) +{ + char *mode; + char_u *fname; + char_u *arg = eap->arg; + +#ifdef FEAT_EVAL + if (redir_execute) + { + emsg(_("E930: Cannot use :redir inside execute()")); + return; + } +#endif + + if (STRICMP(eap->arg, "END") == 0) + close_redir(); + else + { + if (*arg == '>') + { + ++arg; + if (*arg == '>') + { + ++arg; + mode = "a"; + } + else + mode = "w"; + arg = skipwhite(arg); + + close_redir(); + + // Expand environment variables and "~/". + fname = expand_env_save(arg); + if (fname == NULL) + return; +#ifdef FEAT_BROWSE + if (cmdmod.cmod_flags & CMOD_BROWSE) + { + char_u *browseFile; + + browseFile = do_browse(BROWSE_SAVE, + (char_u *)_("Save Redirection"), + fname, NULL, NULL, + (char_u *)_(BROWSE_FILTER_ALL_FILES), curbuf); + if (browseFile == NULL) + return; // operation cancelled + vim_free(fname); + fname = browseFile; + eap->forceit = TRUE; // since dialog already asked + } +#endif + + redir_fd = open_exfile(fname, eap->forceit, mode); + vim_free(fname); + } +#ifdef FEAT_EVAL + else if (*arg == '@') + { + // redirect to a register a-z (resp. A-Z for appending) + close_redir(); + ++arg; + if (ASCII_ISALPHA(*arg) +# ifdef FEAT_CLIPBOARD + || *arg == '*' + || *arg == '+' +# endif + || *arg == '"') + { + redir_reg = *arg++; + if (*arg == '>' && arg[1] == '>') // append + arg += 2; + else + { + // Can use both "@a" and "@a>". + if (*arg == '>') + arg++; + // Make register empty when not using @A-@Z and the + // command is valid. + if (*arg == NUL && !isupper(redir_reg)) + write_reg_contents(redir_reg, (char_u *)"", -1, FALSE); + } + } + if (*arg != NUL) + { + redir_reg = 0; + semsg(_(e_invarg2), eap->arg); + } + } + else if (*arg == '=' && arg[1] == '>') + { + int append; + + // redirect to a variable + close_redir(); + arg += 2; + + if (*arg == '>') + { + ++arg; + append = TRUE; + } + else + append = FALSE; + + if (var_redir_start(skipwhite(arg), append) == OK) + redir_vname = 1; + } +#endif + + // TODO: redirect to a buffer + + else + semsg(_(e_invarg2), eap->arg); + } + + // Make sure redirection is not off. Can happen for cmdline completion + // that indirectly invokes a command to catch its output. + if (redir_fd != NULL +#ifdef FEAT_EVAL + || redir_reg || redir_vname +#endif + ) + redir_off = FALSE; +} + +/* + * ":redraw": force redraw + */ + void +ex_redraw(exarg_T *eap) +{ + int r = RedrawingDisabled; + int p = p_lz; + + RedrawingDisabled = 0; + p_lz = FALSE; + validate_cursor(); + update_topline(); + update_screen(eap->forceit ? CLEAR : VIsual_active ? INVERTED : 0); +#ifdef FEAT_TITLE + if (need_maketitle) + maketitle(); +#endif +#if defined(MSWIN) && (!defined(FEAT_GUI_MSWIN) || defined(VIMDLL)) +# ifdef VIMDLL + if (!gui.in_use) +# endif + resize_console_buf(); +#endif + RedrawingDisabled = r; + p_lz = p; + + // Reset msg_didout, so that a message that's there is overwritten. + msg_didout = FALSE; + msg_col = 0; + + // No need to wait after an intentional redraw. + need_wait_return = FALSE; + + out_flush(); +} + +/* + * ":redrawstatus": force redraw of status line(s) + */ + static void +ex_redrawstatus(exarg_T *eap UNUSED) +{ + int r = RedrawingDisabled; + int p = p_lz; + + RedrawingDisabled = 0; + p_lz = FALSE; + if (eap->forceit) + status_redraw_all(); + else + status_redraw_curbuf(); + update_screen(VIsual_active ? INVERTED : 0); + RedrawingDisabled = r; + p_lz = p; + out_flush(); +} + +/* + * ":redrawtabline": force redraw of the tabline + */ + static void +ex_redrawtabline(exarg_T *eap UNUSED) +{ + int r = RedrawingDisabled; + int p = p_lz; + + RedrawingDisabled = 0; + p_lz = FALSE; + + draw_tabline(); + + RedrawingDisabled = r; + p_lz = p; + out_flush(); +} + + static void +close_redir(void) +{ + if (redir_fd != NULL) + { + fclose(redir_fd); + redir_fd = NULL; + } +#ifdef FEAT_EVAL + redir_reg = 0; + if (redir_vname) + { + var_redir_stop(); + redir_vname = 0; + } +#endif +} + +#if (defined(FEAT_SESSION) || defined(FEAT_EVAL)) || defined(PROTO) + int +vim_mkdir_emsg(char_u *name, int prot UNUSED) +{ + if (vim_mkdir(name, prot) != 0) + { + semsg(_("E739: Cannot create directory: %s"), name); + return FAIL; + } + return OK; +} +#endif + +/* + * Open a file for writing for an Ex command, with some checks. + * Return file descriptor, or NULL on failure. + */ + FILE * +open_exfile( + char_u *fname, + int forceit, + char *mode) // "w" for create new file or "a" for append +{ + FILE *fd; + +#ifdef UNIX + // with Unix it is possible to open a directory + if (mch_isdir(fname)) + { + semsg(_(e_isadir2), fname); + return NULL; + } +#endif + if (!forceit && *mode != 'a' && vim_fexists(fname)) + { + semsg(_("E189: \"%s\" exists (add ! to override)"), fname); + return NULL; + } + + if ((fd = mch_fopen((char *)fname, mode)) == NULL) + semsg(_("E190: Cannot open \"%s\" for writing"), fname); + + return fd; +} + +/* + * ":mark" and ":k". + */ + static void +ex_mark(exarg_T *eap) +{ + pos_T pos; + + if (*eap->arg == NUL) // No argument? + emsg(_(e_argreq)); + else if (eap->arg[1] != NUL) // more than one character? + semsg(_(e_trailing_arg), eap->arg); + else + { + pos = curwin->w_cursor; // save curwin->w_cursor + curwin->w_cursor.lnum = eap->line2; + beginline(BL_WHITE | BL_FIX); + if (setmark(*eap->arg) == FAIL) // set mark + emsg(_("E191: Argument must be a letter or forward/backward quote")); + curwin->w_cursor = pos; // restore curwin->w_cursor + } +} + +/* + * Update w_topline, w_leftcol and the cursor position. + */ + void +update_topline_cursor(void) +{ + check_cursor(); // put cursor on valid line + update_topline(); + if (!curwin->w_p_wrap) + validate_cursor(); + update_curswant(); +} + +/* + * Save the current State and go to Normal mode. + * Return TRUE if the typeahead could be saved. + */ + int +save_current_state(save_state_T *sst) +{ + sst->save_msg_scroll = msg_scroll; + sst->save_restart_edit = restart_edit; + sst->save_msg_didout = msg_didout; + sst->save_State = State; + sst->save_insertmode = p_im; + sst->save_finish_op = finish_op; + sst->save_opcount = opcount; + sst->save_reg_executing = reg_executing; + + msg_scroll = FALSE; // no msg scrolling in Normal mode + restart_edit = 0; // don't go to Insert mode + p_im = FALSE; // don't use 'insertmode' + + sst->save_script_version = current_sctx.sc_version; + current_sctx.sc_version = 1; // not in Vim9 script + + /* + * Save the current typeahead. This is required to allow using ":normal" + * from an event handler and makes sure we don't hang when the argument + * ends with half a command. + */ + save_typeahead(&sst->tabuf); + return sst->tabuf.typebuf_valid; +} + + void +restore_current_state(save_state_T *sst) +{ + // Restore the previous typeahead. + restore_typeahead(&sst->tabuf); + + msg_scroll = sst->save_msg_scroll; + restart_edit = sst->save_restart_edit; + p_im = sst->save_insertmode; + finish_op = sst->save_finish_op; + opcount = sst->save_opcount; + reg_executing = sst->save_reg_executing; + msg_didout |= sst->save_msg_didout; // don't reset msg_didout now + current_sctx.sc_version = sst->save_script_version; + + // Restore the state (needed when called from a function executed for + // 'indentexpr'). Update the mouse and cursor, they may have changed. + State = sst->save_State; +#ifdef CURSOR_SHAPE + ui_cursor_shape(); // may show different cursor shape +#endif +} + +/* + * ":normal[!] {commands}": Execute normal mode commands. + */ + void +ex_normal(exarg_T *eap) +{ + save_state_T save_state; + char_u *arg = NULL; + int l; + char_u *p; + + if (ex_normal_lock > 0) + { + emsg(_(e_secure)); + return; + } + if (ex_normal_busy >= p_mmd) + { + emsg(_("E192: Recursive use of :normal too deep")); + return; + } + + /* + * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do + * this for the K_SPECIAL leading byte, otherwise special keys will not + * work. + */ + if (has_mbyte) + { + int len = 0; + + // Count the number of characters to be escaped. + for (p = eap->arg; *p != NUL; ++p) + { +#ifdef FEAT_GUI + if (*p == CSI) // leadbyte CSI + len += 2; +#endif + for (l = (*mb_ptr2len)(p) - 1; l > 0; --l) + if (*++p == K_SPECIAL // trailbyte K_SPECIAL or CSI +#ifdef FEAT_GUI + || *p == CSI +#endif + ) + len += 2; + } + if (len > 0) + { + arg = alloc(STRLEN(eap->arg) + len + 1); + if (arg != NULL) + { + len = 0; + for (p = eap->arg; *p != NUL; ++p) + { + arg[len++] = *p; +#ifdef FEAT_GUI + if (*p == CSI) + { + arg[len++] = KS_EXTRA; + arg[len++] = (int)KE_CSI; + } +#endif + for (l = (*mb_ptr2len)(p) - 1; l > 0; --l) + { + arg[len++] = *++p; + if (*p == K_SPECIAL) + { + arg[len++] = KS_SPECIAL; + arg[len++] = KE_FILLER; + } +#ifdef FEAT_GUI + else if (*p == CSI) + { + arg[len++] = KS_EXTRA; + arg[len++] = (int)KE_CSI; + } +#endif + } + arg[len] = NUL; + } + } + } + } + + ++ex_normal_busy; + if (save_current_state(&save_state)) + { + /* + * Repeat the :normal command for each line in the range. When no + * range given, execute it just once, without positioning the cursor + * first. + */ + do + { + if (eap->addr_count != 0) + { + curwin->w_cursor.lnum = eap->line1++; + curwin->w_cursor.col = 0; + check_cursor_moved(curwin); + } + + exec_normal_cmd(arg != NULL + ? arg + : eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE); + } + while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int); + } + + // Might not return to the main loop when in an event handler. + update_topline_cursor(); + + restore_current_state(&save_state); + --ex_normal_busy; + setmouse(); +#ifdef CURSOR_SHAPE + ui_cursor_shape(); // may show different cursor shape +#endif + + vim_free(arg); +} + +/* + * ":startinsert", ":startreplace" and ":startgreplace" + */ + static void +ex_startinsert(exarg_T *eap) +{ + if (eap->forceit) + { + // cursor line can be zero on startup + if (!curwin->w_cursor.lnum) + curwin->w_cursor.lnum = 1; + set_cursor_for_append_to_line(); + } +#ifdef FEAT_TERMINAL + // Ignore this when running in an active terminal. + if (term_job_running(curbuf->b_term)) + return; +#endif + + // Ignore the command when already in Insert mode. Inserting an + // expression register that invokes a function can do this. + if (State & INSERT) + return; + + if (eap->cmdidx == CMD_startinsert) + restart_edit = 'a'; + else if (eap->cmdidx == CMD_startreplace) + restart_edit = 'R'; + else + restart_edit = 'V'; + + if (!eap->forceit) + { + if (eap->cmdidx == CMD_startinsert) + restart_edit = 'i'; + curwin->w_curswant = 0; // avoid MAXCOL + } + + if (VIsual_active) + showmode(); +} + +/* + * ":stopinsert" + */ + static void +ex_stopinsert(exarg_T *eap UNUSED) +{ + restart_edit = 0; + stop_insert_mode = TRUE; + clearmode(); +} + +/* + * Execute normal mode command "cmd". + * "remap" can be REMAP_NONE or REMAP_YES. + */ + void +exec_normal_cmd(char_u *cmd, int remap, int silent) +{ + // Stuff the argument into the typeahead buffer. + ins_typebuf(cmd, remap, 0, TRUE, silent); + exec_normal(FALSE, FALSE, FALSE); +} + +/* + * Execute normal_cmd() until there is no typeahead left. + * When "use_vpeekc" is TRUE use vpeekc() to check for available chars. + */ + void +exec_normal(int was_typed, int use_vpeekc, int may_use_terminal_loop UNUSED) +{ + oparg_T oa; + int c; + + // When calling vpeekc() from feedkeys() it will return Ctrl_C when there + // is nothing to get, so also check for Ctrl_C. + clear_oparg(&oa); + finish_op = FALSE; + while ((!stuff_empty() + || ((was_typed || !typebuf_typed()) && typebuf.tb_len > 0) + || (use_vpeekc && (c = vpeekc()) != NUL && c != Ctrl_C)) + && !got_int) + { + update_topline_cursor(); +#ifdef FEAT_TERMINAL + if (may_use_terminal_loop && term_use_loop() + && oa.op_type == OP_NOP && oa.regname == NUL + && !VIsual_active) + { + // If terminal_loop() returns OK we got a key that is handled + // in Normal model. With FAIL we first need to position the + // cursor and the screen needs to be redrawn. + if (terminal_loop(TRUE) == OK) + normal_cmd(&oa, TRUE); + } + else +#endif + // execute a Normal mode cmd + normal_cmd(&oa, TRUE); + } +} + +#ifdef FEAT_FIND_ID + static void +ex_checkpath(exarg_T *eap) +{ + find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L, + eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW, + (linenr_T)1, (linenr_T)MAXLNUM); +} + +#if defined(FEAT_QUICKFIX) +/* + * ":psearch" + */ + static void +ex_psearch(exarg_T *eap) +{ + g_do_tagpreview = p_pvh; + ex_findpat(eap); + g_do_tagpreview = 0; +} +#endif + + static void +ex_findpat(exarg_T *eap) +{ + int whole = TRUE; + long n; + char_u *p; + int action; + + switch (cmdnames[eap->cmdidx].cmd_name[2]) + { + case 'e': // ":psearch", ":isearch" and ":dsearch" + if (cmdnames[eap->cmdidx].cmd_name[0] == 'p') + action = ACTION_GOTO; + else + action = ACTION_SHOW; + break; + case 'i': // ":ilist" and ":dlist" + action = ACTION_SHOW_ALL; + break; + case 'u': // ":ijump" and ":djump" + action = ACTION_GOTO; + break; + default: // ":isplit" and ":dsplit" + action = ACTION_SPLIT; + break; + } + + n = 1; + if (vim_isdigit(*eap->arg)) // get count + { + n = getdigits(&eap->arg); + eap->arg = skipwhite(eap->arg); + } + if (*eap->arg == '/') // Match regexp, not just whole words + { + whole = FALSE; + ++eap->arg; + p = skip_regexp(eap->arg, '/', magic_isset()); + if (*p) + { + *p++ = NUL; + p = skipwhite(p); + + // Check for trailing illegal characters + if (!ends_excmd2(eap->arg, p)) + eap->errmsg = ex_errmsg(e_trailing_arg, p); + else + eap->nextcmd = check_nextcmd(p); + } + } + if (!eap->skip) + find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg), + whole, !eap->forceit, + *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY, + n, action, eap->line1, eap->line2); +} +#endif + + +#ifdef FEAT_QUICKFIX +/* + * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc. + */ + static void +ex_ptag(exarg_T *eap) +{ + g_do_tagpreview = p_pvh; // will be reset to 0 in ex_tag_cmd() + ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1); +} + +/* + * ":pedit" + */ + static void +ex_pedit(exarg_T *eap) +{ + win_T *curwin_save = curwin; + + if (ERROR_IF_ANY_POPUP_WINDOW) + return; + + // Open the preview window or popup and make it the current window. + g_do_tagpreview = p_pvh; + prepare_tagpreview(TRUE, TRUE, FALSE); + + // Edit the file. + do_exedit(eap, NULL); + + if (curwin != curwin_save && win_valid(curwin_save)) + { + // Return cursor to where we were + validate_cursor(); + redraw_later(VALID); + win_enter(curwin_save, TRUE); + } +# ifdef FEAT_PROP_POPUP + else if (WIN_IS_POPUP(curwin)) + { + // can't keep focus in popup window + win_enter(firstwin, TRUE); + } +# endif + g_do_tagpreview = 0; +} +#endif + +/* + * ":stag", ":stselect" and ":stjump". + */ + static void +ex_stag(exarg_T *eap) +{ + postponed_split = -1; + postponed_split_flags = cmdmod.cmod_split; + postponed_split_tab = cmdmod.cmod_tab; + ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1); + postponed_split_flags = 0; + postponed_split_tab = 0; +} + +/* + * ":tag", ":tselect", ":tjump", ":tnext", etc. + */ + static void +ex_tag(exarg_T *eap) +{ + ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name); +} + + static void +ex_tag_cmd(exarg_T *eap, char_u *name) +{ + int cmd; + + switch (name[1]) + { + case 'j': cmd = DT_JUMP; // ":tjump" + break; + case 's': cmd = DT_SELECT; // ":tselect" + break; + case 'p': cmd = DT_PREV; // ":tprevious" + break; + case 'N': cmd = DT_PREV; // ":tNext" + break; + case 'n': cmd = DT_NEXT; // ":tnext" + break; + case 'o': cmd = DT_POP; // ":pop" + break; + case 'f': // ":tfirst" + case 'r': cmd = DT_FIRST; // ":trewind" + break; + case 'l': cmd = DT_LAST; // ":tlast" + break; + default: // ":tag" +#ifdef FEAT_CSCOPE + if (p_cst && *eap->arg != NUL) + { + ex_cstag(eap); + return; + } +#endif + cmd = DT_TAG; + break; + } + + if (name[0] == 'l') + { +#ifndef FEAT_QUICKFIX + ex_ni(eap); + return; +#else + cmd = DT_LTAG; +#endif + } + + do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1, + eap->forceit, TRUE); +} + +/* + * Check "str" for starting with a special cmdline variable. + * If found return one of the SPEC_ values and set "*usedlen" to the length of + * the variable. Otherwise return -1 and "*usedlen" is unchanged. + */ + int +find_cmdline_var(char_u *src, int *usedlen) +{ + int len; + int i; + static char *(spec_str[]) = { + "%", +#define SPEC_PERC 0 + "#", +#define SPEC_HASH (SPEC_PERC + 1) + "<cword>", // cursor word +#define SPEC_CWORD (SPEC_HASH + 1) + "<cWORD>", // cursor WORD +#define SPEC_CCWORD (SPEC_CWORD + 1) + "<cexpr>", // expr under cursor +#define SPEC_CEXPR (SPEC_CCWORD + 1) + "<cfile>", // cursor path name +#define SPEC_CFILE (SPEC_CEXPR + 1) + "<sfile>", // ":so" file name +#define SPEC_SFILE (SPEC_CFILE + 1) + "<slnum>", // ":so" file line number +#define SPEC_SLNUM (SPEC_SFILE + 1) + "<stack>", // call stack +#define SPEC_STACK (SPEC_SLNUM + 1) + "<afile>", // autocommand file name +#define SPEC_AFILE (SPEC_STACK + 1) + "<abuf>", // autocommand buffer number +#define SPEC_ABUF (SPEC_AFILE + 1) + "<amatch>", // autocommand match name +#define SPEC_AMATCH (SPEC_ABUF + 1) + "<sflnum>", // script file line number +#define SPEC_SFLNUM (SPEC_AMATCH + 1) + "<SID>", // script ID: <SNR>123_ +#define SPEC_SID (SPEC_SFLNUM + 1) +#ifdef FEAT_CLIENTSERVER + "<client>" +# define SPEC_CLIENT (SPEC_SID + 1) +#endif + }; + + for (i = 0; i < (int)(sizeof(spec_str) / sizeof(char *)); ++i) + { + len = (int)STRLEN(spec_str[i]); + if (STRNCMP(src, spec_str[i], len) == 0) + { + *usedlen = len; + return i; + } + } + return -1; +} + +/* + * Evaluate cmdline variables. + * + * change "%" to curbuf->b_ffname + * "#" to curwin->w_alt_fnum + * "%%" to curwin->w_alt_fnum in Vim9 script + * "<cword>" to word under the cursor + * "<cWORD>" to WORD under the cursor + * "<cexpr>" to C-expression under the cursor + * "<cfile>" to path name under the cursor + * "<sfile>" to sourced file name + * "<stack>" to call stack + * "<slnum>" to sourced file line number + * "<afile>" to file name for autocommand + * "<abuf>" to buffer number for autocommand + * "<amatch>" to matching name for autocommand + * + * When an error is detected, "errormsg" is set to a non-NULL pointer (may be + * "" for error without a message) and NULL is returned. + * Returns an allocated string if a valid match was found. + * Returns NULL if no match was found. "usedlen" then still contains the + * number of characters to skip. + */ + char_u * +eval_vars( + char_u *src, // pointer into commandline + char_u *srcstart, // beginning of valid memory for src + int *usedlen, // characters after src that are used + linenr_T *lnump, // line number for :e command, or NULL + char **errormsg, // pointer to error message + int *escaped) // return value has escaped white space (can + // be NULL) +{ + int i; + char_u *s; + char_u *result; + char_u *resultbuf = NULL; + int resultlen; + buf_T *buf; + int valid = VALID_HEAD + VALID_PATH; // assume valid result + int spec_idx; + int tilde_file = FALSE; + int skip_mod = FALSE; + char_u strbuf[30]; + + *errormsg = NULL; + if (escaped != NULL) + *escaped = FALSE; + + /* + * Check if there is something to do. + */ + spec_idx = find_cmdline_var(src, usedlen); + if (spec_idx < 0) // no match + { + *usedlen = 1; + return NULL; + } + + /* + * Skip when preceded with a backslash "\%" and "\#". + * Note: In "\\%" the % is also not recognized! + */ + if (src > srcstart && src[-1] == '\\') + { + *usedlen = 0; + STRMOVE(src - 1, src); // remove backslash + return NULL; + } + + /* + * word or WORD under cursor + */ + if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD + || spec_idx == SPEC_CEXPR) + { + resultlen = find_ident_under_cursor(&result, + spec_idx == SPEC_CWORD ? (FIND_IDENT | FIND_STRING) + : spec_idx == SPEC_CEXPR ? (FIND_IDENT | FIND_STRING | FIND_EVAL) + : FIND_STRING); + if (resultlen == 0) + { + *errormsg = ""; + return NULL; + } + } + + /* + * '#': Alternate file name + * '%': Current file name + * File name under the cursor + * File name for autocommand + * and following modifiers + */ + else + { + int off = 0; + + switch (spec_idx) + { + case SPEC_PERC: +#ifdef FEAT_EVAL + if (!in_vim9script() || src[1] != '%') +#endif + { + // '%': current file + if (curbuf->b_fname == NULL) + { + result = (char_u *)""; + valid = 0; // Must have ":p:h" to be valid + } + else + { + result = curbuf->b_fname; + tilde_file = STRCMP(result, "~") == 0; + } + break; + } +#ifdef FEAT_EVAL + // "%%" alternate file + off = 1; +#endif + // FALLTHROUGH + case SPEC_HASH: // '#' or "#99": alternate file + if (off == 0 ? src[1] == '#' : src[2] == '%') + { + // "##" or "%%%": the argument list + result = arg_all(); + resultbuf = result; + *usedlen = off + 2; + if (escaped != NULL) + *escaped = TRUE; + skip_mod = TRUE; + break; + } + s = src + off + 1; + if (*s == '<') // "#<99" uses v:oldfiles + ++s; + i = (int)getdigits(&s); + if (s == src + off + 2 && src[off + 1] == '-') + // just a minus sign, don't skip over it + s--; + *usedlen = (int)(s - src); // length of what we expand + + if (src[off + 1] == '<' && i != 0) + { + if (*usedlen < off + 2) + { + // Should we give an error message for #<text? + *usedlen = off + 1; + return NULL; + } +#ifdef FEAT_EVAL + result = list_find_str(get_vim_var_list(VV_OLDFILES), + (long)i); + if (result == NULL) + { + *errormsg = ""; + return NULL; + } +#else + *errormsg = _("E809: #< is not available without the +eval feature"); + return NULL; +#endif + } + else + { + if (i == 0 && src[off + 1] == '<' && *usedlen > off + 1) + *usedlen = off + 1; + buf = buflist_findnr(i); + if (buf == NULL) + { + *errormsg = _("E194: No alternate file name to substitute for '#'"); + return NULL; + } + if (lnump != NULL) + *lnump = ECMD_LAST; + if (buf->b_fname == NULL) + { + result = (char_u *)""; + valid = 0; // Must have ":p:h" to be valid + } + else + { + result = buf->b_fname; + tilde_file = STRCMP(result, "~") == 0; + } + } + break; + +#ifdef FEAT_SEARCHPATH + case SPEC_CFILE: // file name under cursor + result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL); + if (result == NULL) + { + *errormsg = ""; + return NULL; + } + resultbuf = result; // remember allocated string + break; +#endif + + case SPEC_AFILE: // file name for autocommand + result = autocmd_fname; + if (result != NULL && !autocmd_fname_full) + { + // Still need to turn the fname into a full path. It is + // postponed to avoid a delay when <afile> is not used. + autocmd_fname_full = TRUE; + result = FullName_save(autocmd_fname, FALSE); + vim_free(autocmd_fname); + autocmd_fname = result; + } + if (result == NULL) + { + *errormsg = _("E495: no autocommand file name to substitute for \"<afile>\""); + return NULL; + } + result = shorten_fname1(result); + break; + + case SPEC_ABUF: // buffer number for autocommand + if (autocmd_bufnr <= 0) + { + *errormsg = _("E496: no autocommand buffer number to substitute for \"<abuf>\""); + return NULL; + } + sprintf((char *)strbuf, "%d", autocmd_bufnr); + result = strbuf; + break; + + case SPEC_AMATCH: // match name for autocommand + result = autocmd_match; + if (result == NULL) + { + *errormsg = _("E497: no autocommand match name to substitute for \"<amatch>\""); + return NULL; + } + break; + + case SPEC_SFILE: // file name for ":so" command + case SPEC_STACK: // call stack + result = estack_sfile(spec_idx == SPEC_SFILE + ? ESTACK_SFILE : ESTACK_STACK); + if (result == NULL) + { + *errormsg = spec_idx == SPEC_SFILE + ? _("E498: no :source file name to substitute for \"<sfile>\"") + : _("E489: no call stack to substitute for \"<stack>\""); + return NULL; + } + resultbuf = result; // remember allocated string + break; + + case SPEC_SLNUM: // line in file for ":so" command + if (SOURCING_NAME == NULL || SOURCING_LNUM == 0) + { + *errormsg = _("E842: no line number to use for \"<slnum>\""); + return NULL; + } + sprintf((char *)strbuf, "%ld", SOURCING_LNUM); + result = strbuf; + break; + +#ifdef FEAT_EVAL + case SPEC_SFLNUM: // line in script file + if (current_sctx.sc_lnum + SOURCING_LNUM == 0) + { + *errormsg = _("E961: no line number to use for \"<sflnum>\""); + return NULL; + } + sprintf((char *)strbuf, "%ld", + (long)(current_sctx.sc_lnum + SOURCING_LNUM)); + result = strbuf; + break; + + case SPEC_SID: + if (current_sctx.sc_sid <= 0) + { + *errormsg = _(e_usingsid); + return NULL; + } + sprintf((char *)strbuf, "<SNR>%d_", current_sctx.sc_sid); + result = strbuf; + break; +#endif + +#ifdef FEAT_CLIENTSERVER + case SPEC_CLIENT: // Source of last submitted input + sprintf((char *)strbuf, PRINTF_HEX_LONG_U, + (long_u)clientWindow); + result = strbuf; + break; +#endif + + default: + result = (char_u *)""; // avoid gcc warning + break; + } + + resultlen = (int)STRLEN(result); // length of new string + if (src[*usedlen] == '<') // remove the file name extension + { + ++*usedlen; + if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result)) + resultlen = (int)(s - result); + } + else if (!skip_mod) + { + valid |= modify_fname(src, tilde_file, usedlen, &result, &resultbuf, + &resultlen); + if (result == NULL) + { + *errormsg = ""; + return NULL; + } + } + } + + if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH) + { + if (valid != VALID_HEAD + VALID_PATH) + // xgettext:no-c-format + *errormsg = _("E499: Empty file name for '%' or '#', only works with \":p:h\""); + else + *errormsg = _("E500: Evaluates to an empty string"); + result = NULL; + } + else + result = vim_strnsave(result, resultlen); + vim_free(resultbuf); + return result; +} + +/* + * Expand the <sfile> string in "arg". + * + * Returns an allocated string, or NULL for any error. + */ + char_u * +expand_sfile(char_u *arg) +{ + char *errormsg; + int len; + char_u *result; + char_u *newres; + char_u *repl; + int srclen; + char_u *p; + + result = vim_strsave(arg); + if (result == NULL) + return NULL; + + for (p = result; *p; ) + { + if (STRNCMP(p, "<sfile>", 7) != 0) + ++p; + else + { + // replace "<sfile>" with the sourced file name, and do ":" stuff + repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL); + if (errormsg != NULL) + { + if (*errormsg) + emsg(errormsg); + vim_free(result); + return NULL; + } + if (repl == NULL) // no match (cannot happen) + { + p += srclen; + continue; + } + len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1; + newres = alloc(len); + if (newres == NULL) + { + vim_free(repl); + vim_free(result); + return NULL; + } + mch_memmove(newres, result, (size_t)(p - result)); + STRCPY(newres + (p - result), repl); + len = (int)STRLEN(newres); + STRCAT(newres, p + srclen); + vim_free(repl); + vim_free(result); + result = newres; + p = newres + len; // continue after the match + } + } + + return result; +} + +#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO) +/* + * Make a dialog message in "buff[DIALOG_MSG_SIZE]". + * "format" must contain "%s". + */ + void +dialog_msg(char_u *buff, char *format, char_u *fname) +{ + if (fname == NULL) + fname = (char_u *)_("Untitled"); + vim_snprintf((char *)buff, DIALOG_MSG_SIZE, format, fname); +} +#endif + +/* + * ":behave {mswin,xterm}" + */ + static void +ex_behave(exarg_T *eap) +{ + if (STRCMP(eap->arg, "mswin") == 0) + { + set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0); + set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0); + set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0); + set_option_value((char_u *)"keymodel", 0L, + (char_u *)"startsel,stopsel", 0); + } + else if (STRCMP(eap->arg, "xterm") == 0) + { + set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0); + set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0); + set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0); + set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0); + } + else + semsg(_(e_invarg2), eap->arg); +} + +static int filetype_detect = FALSE; +static int filetype_plugin = FALSE; +static int filetype_indent = FALSE; + +/* + * ":filetype [plugin] [indent] {on,off,detect}" + * on: Load the filetype.vim file to install autocommands for file types. + * off: Load the ftoff.vim file to remove all autocommands for file types. + * plugin on: load filetype.vim and ftplugin.vim + * plugin off: load ftplugof.vim + * indent on: load filetype.vim and indent.vim + * indent off: load indoff.vim + */ + static void +ex_filetype(exarg_T *eap) +{ + char_u *arg = eap->arg; + int plugin = FALSE; + int indent = FALSE; + + if (*eap->arg == NUL) + { + // Print current status. + smsg("filetype detection:%s plugin:%s indent:%s", + filetype_detect ? "ON" : "OFF", + filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF", + filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF"); + return; + } + + // Accept "plugin" and "indent" in any order. + for (;;) + { + if (STRNCMP(arg, "plugin", 6) == 0) + { + plugin = TRUE; + arg = skipwhite(arg + 6); + continue; + } + if (STRNCMP(arg, "indent", 6) == 0) + { + indent = TRUE; + arg = skipwhite(arg + 6); + continue; + } + break; + } + if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0) + { + if (*arg == 'o' || !filetype_detect) + { + source_runtime((char_u *)FILETYPE_FILE, DIP_ALL); + filetype_detect = TRUE; + if (plugin) + { + source_runtime((char_u *)FTPLUGIN_FILE, DIP_ALL); + filetype_plugin = TRUE; + } + if (indent) + { + source_runtime((char_u *)INDENT_FILE, DIP_ALL); + filetype_indent = TRUE; + } + } + if (*arg == 'd') + { + (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE, NULL); + do_modelines(0); + } + } + else if (STRCMP(arg, "off") == 0) + { + if (plugin || indent) + { + if (plugin) + { + source_runtime((char_u *)FTPLUGOF_FILE, DIP_ALL); + filetype_plugin = FALSE; + } + if (indent) + { + source_runtime((char_u *)INDOFF_FILE, DIP_ALL); + filetype_indent = FALSE; + } + } + else + { + source_runtime((char_u *)FTOFF_FILE, DIP_ALL); + filetype_detect = FALSE; + } + } + else + semsg(_(e_invarg2), arg); +} + +/* + * ":setfiletype [FALLBACK] {name}" + */ + static void +ex_setfiletype(exarg_T *eap) +{ + if (!did_filetype) + { + char_u *arg = eap->arg; + + if (STRNCMP(arg, "FALLBACK ", 9) == 0) + arg += 9; + + set_option_value((char_u *)"filetype", 0L, arg, OPT_LOCAL); + if (arg != eap->arg) + did_filetype = FALSE; + } +} + + static void +ex_digraphs(exarg_T *eap UNUSED) +{ +#ifdef FEAT_DIGRAPHS + if (*eap->arg != NUL) + putdigraph(eap->arg); + else + listdigraphs(eap->forceit); +#else + emsg(_("E196: No digraphs in this version")); +#endif +} + +#if defined(FEAT_SEARCH_EXTRA) || defined(PROTO) + void +set_no_hlsearch(int flag) +{ + no_hlsearch = flag; +# ifdef FEAT_EVAL + set_vim_var_nr(VV_HLSEARCH, !no_hlsearch && p_hls); +# endif +} + +/* + * ":nohlsearch" + */ + static void +ex_nohlsearch(exarg_T *eap UNUSED) +{ + set_no_hlsearch(TRUE); + redraw_all_later(SOME_VALID); +} +#endif + +#ifdef FEAT_CRYPT +/* + * ":X": Get crypt key + */ + static void +ex_X(exarg_T *eap UNUSED) +{ + crypt_check_current_method(); + (void)crypt_get_key(TRUE, TRUE); +} +#endif + +#ifdef FEAT_FOLDING + static void +ex_fold(exarg_T *eap) +{ + if (foldManualAllowed(TRUE)) + foldCreate(eap->line1, eap->line2); +} + + static void +ex_foldopen(exarg_T *eap) +{ + opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen, + eap->forceit, FALSE); +} + + static void +ex_folddo(exarg_T *eap) +{ + linenr_T lnum; + +# ifdef FEAT_CLIPBOARD + start_global_changes(); +# endif + + // First set the marks for all lines closed/open. + for (lnum = eap->line1; lnum <= eap->line2; ++lnum) + if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed)) + ml_setmarked(lnum); + + // Execute the command on the marked lines. + global_exe(eap->arg); + ml_clearmarked(); // clear rest of the marks +# ifdef FEAT_CLIPBOARD + end_global_changes(); +# endif +} +#endif + +#if defined(FEAT_QUICKFIX) || defined(PROTO) +/* + * Returns TRUE if the supplied Ex cmdidx is for a location list command + * instead of a quickfix command. + */ + int +is_loclist_cmd(int cmdidx) +{ + if (cmdidx < 0 || cmdidx >= CMD_SIZE) + return FALSE; + return cmdnames[cmdidx].cmd_name[0] == 'l'; +} +#endif + +#if defined(FEAT_TIMERS) || defined(PROTO) + int +get_pressedreturn(void) +{ + return ex_pressedreturn; +} + + void +set_pressedreturn(int val) +{ + ex_pressedreturn = val; +} +#endif |