diff options
Diffstat (limited to 'src/ex_docmd.c')
| -rw-r--r-- | src/ex_docmd.c | 9711 |
1 files changed, 9711 insertions, 0 deletions
diff --git a/src/ex_docmd.c b/src/ex_docmd.c new file mode 100644 index 000000000..f1331e918 --- /dev/null +++ b/src/ex_docmd.c @@ -0,0 +1,9711 @@ +/* vi:set ts=8 sts=4 sw=4: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * ex_docmd.c: functions for executing an Ex command line. + */ + +#include "vim.h" + +#ifdef HAVE_FCNTL_H +# include <fcntl.h> /* for chdir() */ +#endif + +static int quitmore = 0; +static int ex_pressedreturn = FALSE; +#ifndef FEAT_PRINTER +# define ex_hardcopy ex_ni +#endif + +#ifdef FEAT_USR_CMDS +typedef struct ucmd +{ + char_u *uc_name; /* The command name */ + long_u uc_argt; /* The argument type */ + char_u *uc_rep; /* The command's replacement string */ + long uc_def; /* The default value for a range/count */ + scid_T uc_scriptID; /* SID where the command was defined */ + int uc_compl; /* completion type */ +# if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL) + char_u *uc_compl_arg; /* completion argument if any */ +# endif +} ucmd_T; + +#define UC_BUFFER 1 /* -buffer: local to current buffer */ + +garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL}; + +#define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i]) +#define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i]) + +static void do_ucmd __ARGS((exarg_T *eap)); +static void ex_command __ARGS((exarg_T *eap)); +static void ex_comclear __ARGS((exarg_T *eap)); +static void ex_delcommand __ARGS((exarg_T *eap)); +# ifdef FEAT_CMDL_COMPL +static char_u *get_user_command_name __ARGS((int idx)); +# endif + +#else +# define ex_command ex_ni +# define ex_comclear ex_ni +# define ex_delcommand ex_ni +#endif + +#ifdef FEAT_EVAL +static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*getline)(int, void *, int), void *cookie)); +#else +static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*getline)(int, void *, int), void *cookie)); +static int if_level = 0; /* depth in :if */ +#endif +static int checkforcmd __ARGS((char_u **pp, char *cmd, int len)); +static char_u *find_command __ARGS((exarg_T *eap, int *full)); + +static void ex_abbreviate __ARGS((exarg_T *eap)); +static void ex_map __ARGS((exarg_T *eap)); +static void ex_unmap __ARGS((exarg_T *eap)); +static void ex_mapclear __ARGS((exarg_T *eap)); +static void ex_abclear __ARGS((exarg_T *eap)); +#ifndef FEAT_MENU +# define ex_emenu ex_ni +# define ex_menu ex_ni +# define ex_menutranslate ex_ni +#endif +#ifdef FEAT_AUTOCMD +static void ex_autocmd __ARGS((exarg_T *eap)); +static void ex_doautocmd __ARGS((exarg_T *eap)); +#else +# define ex_autocmd ex_ni +# define ex_doautocmd ex_ni +# define ex_doautoall ex_ni +#endif +#ifdef FEAT_LISTCMDS +static void ex_bunload __ARGS((exarg_T *eap)); +static void ex_buffer __ARGS((exarg_T *eap)); +static void ex_bmodified __ARGS((exarg_T *eap)); +static void ex_bnext __ARGS((exarg_T *eap)); +static void ex_bprevious __ARGS((exarg_T *eap)); +static void ex_brewind __ARGS((exarg_T *eap)); +static void ex_blast __ARGS((exarg_T *eap)); +#else +# define ex_bunload ex_ni +# define ex_buffer ex_ni +# define ex_bmodified ex_ni +# define ex_bnext ex_ni +# define ex_bprevious ex_ni +# define ex_brewind ex_ni +# define ex_blast ex_ni +# define buflist_list ex_ni +# define ex_checktime ex_ni +#endif +#if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS) +# define ex_buffer_all ex_ni +#endif +static char_u *getargcmd __ARGS((char_u **)); +static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs)); +static int getargopt __ARGS((exarg_T *eap)); +#ifndef FEAT_QUICKFIX +# define ex_make ex_ni +# define ex_cc ex_ni +# define ex_cnext ex_ni +# define ex_cfile ex_ni +# define qf_list ex_ni +# define qf_age ex_ni +# define ex_helpgrep ex_ni +#endif +#if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS) +# define ex_cclose ex_ni +# define ex_copen ex_ni +# define ex_cwindow ex_ni +#endif + +static int check_more __ARGS((int, int)); +static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file)); +#if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \ + || !defined(FEAT_RUBY) +static void ex_script_ni __ARGS((exarg_T *eap)); +#endif +static char_u *invalid_range __ARGS((exarg_T *eap)); +static void correct_range __ARGS((exarg_T *eap)); +static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep)); +static void ex_highlight __ARGS((exarg_T *eap)); +static void ex_colorscheme __ARGS((exarg_T *eap)); +static void ex_quit __ARGS((exarg_T *eap)); +static void ex_cquit __ARGS((exarg_T *eap)); +static void ex_quit_all __ARGS((exarg_T *eap)); +#ifdef FEAT_WINDOWS +static void ex_close __ARGS((exarg_T *eap)); +static void ex_win_close __ARGS((exarg_T *eap, win_T *win)); +static void ex_only __ARGS((exarg_T *eap)); +static void ex_all __ARGS((exarg_T *eap)); +static void ex_resize __ARGS((exarg_T *eap)); +static void ex_stag __ARGS((exarg_T *eap)); +#else +# define ex_close ex_ni +# define ex_only ex_ni +# define ex_all ex_ni +# define ex_resize ex_ni +# define ex_splitview ex_ni +# define ex_stag ex_ni +#endif +#if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) +static void ex_pclose __ARGS((exarg_T *eap)); +static void ex_ptag __ARGS((exarg_T *eap)); +static void ex_pedit __ARGS((exarg_T *eap)); +#else +# define ex_pclose ex_ni +# define ex_ptag ex_ni +# define ex_pedit ex_ni +#endif +static void ex_hide __ARGS((exarg_T *eap)); +static void ex_stop __ARGS((exarg_T *eap)); +static void ex_exit __ARGS((exarg_T *eap)); +static void ex_print __ARGS((exarg_T *eap)); +#ifdef FEAT_BYTEOFF +static void ex_goto __ARGS((exarg_T *eap)); +#else +# define ex_goto ex_ni +#endif +static void ex_shell __ARGS((exarg_T *eap)); +static void ex_preserve __ARGS((exarg_T *eap)); +static void ex_recover __ARGS((exarg_T *eap)); +#ifndef FEAT_LISTCMDS +# define ex_argedit ex_ni +# define ex_argadd ex_ni +# define ex_argdelete ex_ni +# define ex_listdo ex_ni +#endif +static void ex_mode __ARGS((exarg_T *eap)); +static void ex_wrongmodifier __ARGS((exarg_T *eap)); +static void ex_find __ARGS((exarg_T *eap)); +static void ex_edit __ARGS((exarg_T *eap)); +#if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER) +# define ex_drop ex_ni +#endif +#ifndef FEAT_GUI +# define ex_gui ex_nogui +static void ex_nogui __ARGS((exarg_T *eap)); +#endif +#if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF) +static void ex_tearoff __ARGS((exarg_T *eap)); +#else +# define ex_tearoff ex_ni +#endif +#if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU) +static void ex_popup __ARGS((exarg_T *eap)); +#else +# define ex_popup ex_ni +#endif +#ifndef FEAT_GUI_MSWIN +# define ex_simalt ex_ni +#endif +#if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) +# define gui_mch_find_dialog ex_ni +# define gui_mch_replace_dialog ex_ni +#endif +#ifndef FEAT_GUI_GTK +# define ex_helpfind ex_ni +#endif +#ifndef FEAT_CSCOPE +# define do_cscope ex_ni +# define do_scscope ex_ni +# define do_cstag ex_ni +#endif +#ifndef FEAT_SYN_HL +# define ex_syntax ex_ni +#endif +#ifndef FEAT_PERL +# define ex_perl ex_script_ni +# define ex_perldo ex_ni +#endif +#ifndef FEAT_PYTHON +# define ex_python ex_script_ni +# define ex_pyfile ex_ni +#endif +#ifndef FEAT_TCL +# define ex_tcl ex_script_ni +# define ex_tcldo ex_ni +# define ex_tclfile ex_ni +#endif +#ifndef FEAT_RUBY +# define ex_ruby ex_script_ni +# define ex_rubydo ex_ni +# define ex_rubyfile ex_ni +#endif +#ifndef FEAT_SNIFF +# define ex_sniff ex_ni +#endif +#ifndef FEAT_KEYMAP +# define ex_loadkeymap ex_ni +#endif +static void ex_swapname __ARGS((exarg_T *eap)); +static void ex_syncbind __ARGS((exarg_T *eap)); +static void ex_read __ARGS((exarg_T *eap)); +static void ex_cd __ARGS((exarg_T *eap)); +static void ex_pwd __ARGS((exarg_T *eap)); +static void ex_equal __ARGS((exarg_T *eap)); +static void ex_sleep __ARGS((exarg_T *eap)); +static void do_exmap __ARGS((exarg_T *eap, int isabbrev)); +static void ex_winsize __ARGS((exarg_T *eap)); +#ifdef FEAT_WINDOWS +static void ex_wincmd __ARGS((exarg_T *eap)); +#else +# define ex_wincmd ex_ni +#endif +#if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) +static void ex_winpos __ARGS((exarg_T *eap)); +#else +# define ex_winpos ex_ni +#endif +static void ex_operators __ARGS((exarg_T *eap)); +static void ex_put __ARGS((exarg_T *eap)); +static void ex_copymove __ARGS((exarg_T *eap)); +static void ex_submagic __ARGS((exarg_T *eap)); +static void ex_join __ARGS((exarg_T *eap)); +static void ex_at __ARGS((exarg_T *eap)); +static void ex_bang __ARGS((exarg_T *eap)); +static void ex_undo __ARGS((exarg_T *eap)); +static void ex_redo __ARGS((exarg_T *eap)); +static void ex_redir __ARGS((exarg_T *eap)); +static void ex_redraw __ARGS((exarg_T *eap)); +static void ex_redrawstatus __ARGS((exarg_T *eap)); +static void close_redir __ARGS((void)); +static void ex_mkrc __ARGS((exarg_T *eap)); +static void ex_mark __ARGS((exarg_T *eap)); +#ifdef FEAT_USR_CMDS +static char_u *uc_fun_cmd __ARGS((void)); +#endif +#ifdef FEAT_EX_EXTRA +static void ex_normal __ARGS((exarg_T *eap)); +static void ex_startinsert __ARGS((exarg_T *eap)); +static void ex_stopinsert __ARGS((exarg_T *eap)); +#else +# define ex_normal ex_ni +# define ex_align ex_ni +# define ex_retab ex_ni +# define ex_startinsert ex_ni +# define ex_stopinsert ex_ni +# define ex_helptags ex_ni +#endif +#ifdef FEAT_FIND_ID +static void ex_checkpath __ARGS((exarg_T *eap)); +static void ex_findpat __ARGS((exarg_T *eap)); +#else +# define ex_findpat ex_ni +# define ex_checkpath ex_ni +#endif +#if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) +static void ex_psearch __ARGS((exarg_T *eap)); +#else +# define ex_psearch ex_ni +#endif +static void ex_tag __ARGS((exarg_T *eap)); +static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name)); +#ifndef FEAT_EVAL +# define ex_scriptnames ex_ni +# define ex_finish ex_ni +# define ex_echo ex_ni +# define ex_echohl ex_ni +# define ex_execute ex_ni +# define ex_call ex_ni +# define ex_if ex_ni +# define ex_endif ex_ni +# define ex_else ex_ni +# define ex_while ex_ni +# define ex_continue ex_ni +# define ex_break ex_ni +# define ex_endwhile ex_ni +# define ex_throw ex_ni +# define ex_try ex_ni +# define ex_catch ex_ni +# define ex_finally ex_ni +# define ex_endtry ex_ni +# define ex_endfunction ex_ni +# define ex_let ex_ni +# define ex_unlet ex_ni +# define ex_function ex_ni +# define ex_delfunction ex_ni +# define ex_return ex_ni +#endif +static char_u *arg_all __ARGS((void)); +#ifdef FEAT_SESSION +static int makeopens __ARGS((FILE *fd, char_u *dirnow)); +static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp)); +static void ex_loadview __ARGS((exarg_T *eap)); +static char_u *get_view_file __ARGS((int c)); +#else +# define ex_loadview ex_ni +#endif +#ifndef FEAT_EVAL +# define ex_compiler ex_ni +#endif +#ifdef FEAT_VIMINFO +static void ex_viminfo __ARGS((exarg_T *eap)); +#else +# define ex_viminfo ex_ni +#endif +static void ex_behave __ARGS((exarg_T *eap)); +#ifdef FEAT_AUTOCMD +static void ex_filetype __ARGS((exarg_T *eap)); +static void ex_setfiletype __ARGS((exarg_T *eap)); +#else +# define ex_filetype ex_ni +# define ex_setfiletype ex_ni +#endif +#ifndef FEAT_DIFF +# define ex_diffpatch ex_ni +# define ex_diffgetput ex_ni +# define ex_diffsplit ex_ni +# define ex_diffthis ex_ni +# define ex_diffupdate ex_ni +#endif +static void ex_digraphs __ARGS((exarg_T *eap)); +static void ex_set __ARGS((exarg_T *eap)); +#if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD) +# define ex_options ex_ni +#endif +#ifdef FEAT_SEARCH_EXTRA +static void ex_nohlsearch __ARGS((exarg_T *eap)); +static void ex_match __ARGS((exarg_T *eap)); +#else +# define ex_nohlsearch ex_ni +# define ex_match ex_ni +#endif +#ifdef FEAT_CRYPT +static void ex_X __ARGS((exarg_T *eap)); +#else +# define ex_X ex_ni +#endif +#ifdef FEAT_FOLDING +static void ex_fold __ARGS((exarg_T *eap)); +static void ex_foldopen __ARGS((exarg_T *eap)); +static void ex_folddo __ARGS((exarg_T *eap)); +#else +# define ex_fold ex_ni +# define ex_foldopen ex_ni +# define ex_folddo ex_ni +#endif +#if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \ + && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))) +# define ex_language ex_ni +#endif +#ifndef FEAT_SIGNS +# define ex_sign ex_ni +#endif +#ifndef FEAT_SUN_WORKSHOP +# define ex_wsverb ex_ni +#endif + +#ifndef FEAT_EVAL +# define ex_debug ex_ni +# define ex_breakadd ex_ni +# define ex_debuggreedy ex_ni +# define ex_breakdel ex_ni +# define ex_breaklist ex_ni +#endif + +#ifndef FEAT_CMDHIST +# define ex_history ex_ni +#endif +#ifndef FEAT_JUMPLIST +# define ex_jumps ex_ni +# define ex_changes ex_ni +#endif + +/* + * Declare cmdnames[]. + */ +#define DO_DECLARE_EXCMD +#include "ex_cmds.h" + +/* + * Table used to quickly search for a command, based on its first character. + */ +cmdidx_T cmdidxs[27] = +{ + CMD_append, + CMD_buffer, + CMD_change, + CMD_delete, + CMD_edit, + CMD_file, + CMD_global, + CMD_help, + CMD_insert, + CMD_join, + CMD_k, + CMD_list, + CMD_move, + CMD_next, + CMD_open, + CMD_print, + CMD_quit, + CMD_read, + CMD_substitute, + CMD_t, + CMD_undo, + CMD_vglobal, + CMD_write, + CMD_xit, + CMD_yank, + CMD_z, + CMD_bang +}; + +static char_u dollar_command[2] = {'$', 0}; + + +#ifdef FEAT_EVAL +/* Struct for storing a line inside a while 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 loop. + * This is required, because do_one_cmd() may invoke ex_function(), which + * reads more lines that may come from the while loop. + */ +struct while_cookie +{ + garray_T *lines_gap; /* growarray with line info */ + int current_line; /* last read line from growarray */ + int repeating; /* TRUE when looping a second time */ + /* When "repeating" is FALSE use "getline" and "cookie" to get lines */ + char_u *(*getline) __ARGS((int, void *, int)); + void *cookie; +}; + +static char_u *get_while_line __ARGS((int c, void *cookie, int indent)); +static int store_while_line __ARGS((garray_T *gap, char_u *line)); +static void free_cmdlines __ARGS((garray_T *gap)); +#endif + + +/* + * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi" + * command is given. + */ + void +do_exmode(improved) + int improved; /* TRUE for "improved Ex" mode */ +{ + int save_msg_scroll; + int prev_msg_row; + linenr_T prev_line; + + save_msg_scroll = msg_scroll; + ++RedrawingDisabled; /* don't redisplay the window */ + ++no_wait_return; /* don't wait for return */ + if (improved) + exmode_active = EXMODE_VIM; + else + { + settmode(TMODE_COOK); + exmode_active = EXMODE_NORMAL; + } + + State = NORMAL; +#ifdef FEAT_GUI + /* Ignore scrollbar and mouse events in Ex mode */ + ++hold_gui_events; +#endif +#ifdef FEAT_SNIFF + want_sniff_request = 0; /* No K_SNIFF wanted */ +#endif + + MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode.")); + while (exmode_active) + { + msg_scroll = TRUE; + need_wait_return = FALSE; + ex_pressedreturn = FALSE; + ex_no_reprint = FALSE; + prev_msg_row = msg_row; + prev_line = curwin->w_cursor.lnum; +#ifdef FEAT_SNIFF + ProcessSniffRequests(); +#endif + if (improved) + { + cmdline_row = msg_row; + do_cmdline(NULL, getexline, NULL, 0); + } + else + do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT); + lines_left = Rows - 1; + + if (prev_line != curwin->w_cursor.lnum && !ex_no_reprint) + { + if (ex_pressedreturn) + { + /* go up one line, to overwrite the ":<CR>" line, so the + * output doensn'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); + msg_clr_eos(); + } + else if (ex_pressedreturn) /* must be at EOF */ + EMSG(_("E501: At end-of-file")); + } + +#ifdef FEAT_GUI + --hold_gui_events; +#endif + if (!improved) + settmode(TMODE_RAW); + --RedrawingDisabled; + --no_wait_return; + update_screen(CLEAR); + need_wait_return = FALSE; + msg_scroll = save_msg_scroll; +} + +/* + * Execute a simple command line. Used for translated commands like "*". + */ + int +do_cmdline_cmd(cmd) + char_u *cmd; +{ + return do_cmdline(cmd, NULL, NULL, + DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED); +} + +/* + * do_cmdline(): execute one Ex command line + * + * 1. Execute "cmdline" when it is not NULL. + * If "cmdline" is NULL, or more lines are needed, getline() is used. + * 2. Split up in parts separated with '|'. + * + * This function can be called recursively! + * + * flags: + * DOCMD_VERBOSE - The command will be included in the error message. + * DOCMD_NOWAIT - Don't call wait_return() and friends. + * DOCMD_REPEAT - Repeat execution until getline() returns NULL. + * DOCMD_KEYTYPED - Don't reset KeyTyped. + * DOCMD_EXCRESET - Reset the exception environment (used for debugging). + * DOCMD_KEEPLINE - Store first typed line (for repeating with "."). + * + * return FAIL if cmdline could not be executed, OK otherwise + */ + int +do_cmdline(cmdline, getline, cookie, flags) + char_u *cmdline; + char_u *(*getline) __ARGS((int, void *, int)); + void *cookie; /* argument for getline() */ + int flags; +{ + char_u *next_cmdline; /* next cmd to execute */ + char_u *cmdline_copy = NULL; /* copy of cmd line */ + int used_getline = FALSE; /* used "getline" to obtain command */ + static int recursive = 0; /* recursive depth */ + int msg_didout_before_start = 0; + int count = 0; /* line number count */ + int did_inc = FALSE; /* incremented RedrawingDisabled */ + int retval = OK; +#ifdef FEAT_EVAL + struct condstack cstack; /* conditional stack */ + garray_T lines_ga; /* keep lines for ":while" */ + int current_line = 0; /* active line in lines_ga */ + char_u *fname = NULL; /* function or script name */ + linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */ + int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */ + int saved_trylevel = 0; + int saved_force_abort = 0; + except_T *saved_caught_stack = NULL; + char_u *saved_vv_exception = NULL; + char_u *saved_vv_throwpoint = NULL; + int saved_did_emsg = 0; + int saved_got_int = 0; + int saved_did_throw = 0; + int saved_need_rethrow = 0; + int saved_check_cstack = 0; + except_T *saved_current_exception = NULL; + int initial_trylevel; + struct msglist **saved_msg_list = NULL; + struct msglist *private_msg_list; + + /* "getline" and "cookie" passed to do_one_cmd() */ + char_u *(*cmd_getline) __ARGS((int, void *, int)); + void *cmd_cookie; + struct while_cookie cmd_while_cookie; + void *real_cookie; +#else +# define cmd_getline getline +# define cmd_cookie cookie +#endif + static int call_depth = 0; /* recursiveness */ + +#ifdef FEAT_EVAL + /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory + * location for storing error messages to be converted to an exception. + * This ensures that the do_errthrow() call in do_one_cmd() does not combine + * the messages stored by an earlier invocation of do_one_cmd() with the + * command name of the later one. This would happen when BufWritePost + * autocommands are executed after a write error. */ + saved_msg_list = msg_list; + msg_list = &private_msg_list; + private_msg_list = NULL; +#endif + + /* It's possible to create an endless loop with ":execute", catch that + * here. The value of 200 allows nested function calls, ":source", etc. */ + if (call_depth == 200) + { + EMSG(_("E169: Command too recursive")); +#ifdef FEAT_EVAL + /* When converting to an exception, we do not include the command name + * since this is not an error of the specific command. */ + do_errthrow((struct condstack *)NULL, (char_u *)NULL); + msg_list = saved_msg_list; +#endif + return FAIL; + } + ++call_depth; + +#ifdef FEAT_EVAL + cstack.cs_idx = -1; + cstack.cs_whilelevel = 0; + cstack.cs_trylevel = 0; + cstack.cs_emsg_silent_list = NULL; + cstack.cs_had_while = FALSE; + cstack.cs_had_endwhile = FALSE; + cstack.cs_had_continue = FALSE; + cstack.cs_had_finally = FALSE; + ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10); + + real_cookie = getline_cookie(getline, cookie); + + /* Inside a function use a higher nesting level. */ + if (getline_equal(getline, cookie, get_func_line) + && 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_equal(getline, cookie, get_func_line)) + { + fname = func_name(real_cookie); + breakpoint = func_breakpoint(real_cookie); + dbg_tick = func_dbg_tick(real_cookie); + } + else if (getline_equal(getline, cookie, getsourceline)) + { + fname = sourcing_name; + breakpoint = source_breakpoint(real_cookie); + dbg_tick = source_dbg_tick(real_cookie); + } + + /* + * Initialize "force_abort" and "suppress_errthrow" at the top level. + */ + if (!recursive) + { + force_abort = FALSE; + suppress_errthrow = FALSE; + } + + /* + * If requested, store and reset the global values controlling the + * exception handling (used when debugging). + */ + else if (flags & DOCMD_EXCRESET) + { + saved_trylevel = trylevel; trylevel = 0; + saved_force_abort = force_abort; force_abort = FALSE; + saved_caught_stack = caught_stack; caught_stack = NULL; + saved_vv_exception = v_exception(NULL); + saved_vv_throwpoint = v_throwpoint(NULL); + /* Necessary for debugging an inactive ":catch", ":finally", or + * ":endtry": */ + saved_did_emsg = did_emsg, did_emsg = FALSE; + saved_got_int = got_int, got_int = FALSE; + saved_did_throw = did_throw, did_throw = FALSE; + saved_need_rethrow = need_rethrow, need_rethrow = FALSE; + saved_check_cstack = check_cstack, check_cstack = FALSE; + saved_current_exception = current_exception; current_exception=NULL; + } + + 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 while/endwhile loop. + * If force_abort is set, we cancel everything. + */ + did_emsg = FALSE; + + /* + * KeyTyped is only set when calling vgetc(). Reset it here when not + * calling vgetc() (sourced command lines). + */ + if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline)) + KeyTyped = FALSE; + + /* + * Continue executing command lines: + * - when inside an ":if" or ":while" + * - for multiple commands on one line, separated with '|' + * - when repeating until there are no more lines (for ":source") + */ + next_cmdline = cmdline; + do + { + /* stop skipping cmds for an error msg after all endifs and endwhiles */ + if (next_cmdline == NULL +#ifdef FEAT_EVAL + && !force_abort + && cstack.cs_idx < 0 + && !(getline_equal(getline, cookie, get_func_line) + && func_has_abort(real_cookie)) +#endif + ) + did_emsg = FALSE; + + /* + * 1. If repeating a line with ":while", get a line from lines_ga. + * 2. If no line given: Get an allocated line with getline(). + * 3. If a line is given: Make a copy, so we can mess with it. + */ + +#ifdef FEAT_EVAL + /* 1. If repeating, get a previous line from lines_ga. */ + if (cstack.cs_whilelevel && current_line < lines_ga.ga_len) + { + /* Each '|' separated command is stored separately in lines_ga, to + * be able to jump to it. Don't use next_cmdline now. */ + vim_free(cmdline_copy); + cmdline_copy = NULL; + + /* Check if a function has returned or, unless it has an unclosed + * try conditional, aborted. */ + if (getline_equal(getline, cookie, get_func_line) + && func_has_ended(real_cookie)) + { + retval = FAIL; + break; + } + + /* Check if a sourced file hit a ":finish" command. */ + if (source_finished(getline, cookie)) + { + retval = FAIL; + break; + } + + /* If breakpoints have been added/deleted need to check for it. */ + if (breakpoint != NULL && dbg_tick != NULL + && *dbg_tick != debug_tick) + { + *breakpoint = dbg_find_breakpoint( + getline_equal(getline, cookie, getsourceline), + fname, sourcing_lnum); + *dbg_tick = debug_tick; + } + + next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line; + sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum; + + /* Did we encounter a breakpoint? */ + if (breakpoint != NULL && *breakpoint != 0 + && *breakpoint <= sourcing_lnum) + { + dbg_breakpoint(fname, sourcing_lnum); + /* Find next breakpoint. */ + *breakpoint = dbg_find_breakpoint( + getline_equal(getline, cookie, getsourceline), + fname, sourcing_lnum); + *dbg_tick = debug_tick; + } + } + + if (cstack.cs_whilelevel) + { + /* Inside a while loop we need to store the lines and use them + * again. Pass a different "getline" function to do_one_cmd() + * below, so that it stores lines in or reads them from + * "lines_ga". Makes it possible to define a function inside a + * while loop. */ + cmd_getline = get_while_line; + cmd_cookie = (void *)&cmd_while_cookie; + cmd_while_cookie.lines_gap = &lines_ga; + cmd_while_cookie.current_line = current_line; + cmd_while_cookie.getline = getline; + cmd_while_cookie.cookie = cookie; + cmd_while_cookie.repeating = (current_line < lines_ga.ga_len); + } + else + { + cmd_getline = getline; + cmd_cookie = cookie; + } +#endif + + /* 2. If no line given, get an allocated line with getline(). */ + if (next_cmdline == NULL) + { + /* + * Need to set msg_didout for the first line after an ":if", + * otherwise the ":if" will be overwritten. + */ + if (count == 1 && getline_equal(getline, cookie, getexline)) + msg_didout = TRUE; + if (getline == NULL || (next_cmdline = getline(':', cookie, +#ifdef FEAT_EVAL + cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2 +#else + 0 +#endif + )) == NULL) + { + /* Don't call wait_return for aborted command line. The NULL + * returned for the end of a sourced file or executed function + * doesn't do this. */ + if (KeyTyped && !(flags & DOCMD_REPEAT)) + need_wait_return = FALSE; + retval = FAIL; + break; + } + used_getline = TRUE; + + /* + * Keep the first typed line. Clear it when more lines are typed. + */ + if (flags & DOCMD_KEEPLINE) + { + vim_free(repeat_cmdline); + if (count == 0) + repeat_cmdline = vim_strsave(next_cmdline); + else + repeat_cmdline = NULL; + } + } + + /* 3. Make a copy of the command so we can mess with it. */ + else if (cmdline_copy == NULL) + { + next_cmdline = vim_strsave(next_cmdline); + if (next_cmdline == NULL) + { + EMSG(_(e_outofmem)); + retval = FAIL; + break; + } + } + cmdline_copy = next_cmdline; + +#ifdef FEAT_EVAL + /* + * Save the current line when inside a ":while", and when the command + * looks like a ":while", because we may need it later. + * When there is a '|' and another command, it is stored separately, + * because we need to be able to jump back to it from an :endwhile. + */ + if ( current_line == lines_ga.ga_len + && (cstack.cs_whilelevel || has_while_cmd(next_cmdline))) + { + if (store_while_line(&lines_ga, next_cmdline) == FAIL) + { + retval = FAIL; + break; + } + } + did_endif = FALSE; +#endif + + if (count++ == 0) + { + /* + * All output from the commands is put below each other, without + * waiting for a return. Don't do this when executing commands + * from a script or when being called recursive (e.g. for ":e + * +command file"). + */ + if (!(flags & DOCMD_NOWAIT) && !recursive) + { + msg_didout_before_start = msg_didout; + msg_didany = FALSE; /* no output yet */ + msg_start(); + msg_scroll = TRUE; /* put messages below each other */ + ++no_wait_return; /* dont wait for return until finished */ + ++RedrawingDisabled; + did_inc = TRUE; + } + } + + if (p_verbose >= 15 && sourcing_name != NULL) + { + int c = -1; + + ++no_wait_return; + msg_scroll = TRUE; /* always scroll up, don't overwrite */ + /* Truncate long lines, smsg() can't handle that. */ + if (STRLEN(cmdline_copy) > 200) + { + c = cmdline_copy[200]; + cmdline_copy[200] = NUL; + } + smsg((char_u *)_("line %ld: %s"), + (long)sourcing_lnum, cmdline_copy); + msg_puts((char_u *)"\n"); /* don't overwrite this either */ + if (c >= 0) + cmdline_copy[200] = c; + cmdline_row = msg_row; + --no_wait_return; + } + + /* + * 2. Execute one '|' separated command. + * do_one_cmd() will return NULL if there is no trailing '|'. + * "cmdline_copy" can change, e.g. for '%' and '#' expansion. + */ + ++recursive; + next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE, +#ifdef FEAT_EVAL + &cstack, +#endif + cmd_getline, cmd_cookie); + --recursive; + +#ifdef FEAT_EVAL + if (cmd_cookie == (void *)&cmd_while_cookie) + /* Use "current_line" from "cmd_while_cookie", it may have been + * incremented when defining a function. */ + current_line = cmd_while_cookie.current_line; +#endif + + if (next_cmdline == NULL) + { + vim_free(cmdline_copy); + cmdline_copy = NULL; +#ifdef FEAT_CMDHIST + /* + * If the command was typed, remember it for the ':' register. + * Do this AFTER executing the command to make :@: work. + */ + if (getline_equal(getline, cookie, getexline) + && new_last_cmdline != NULL) + { + vim_free(last_cmdline); + last_cmdline = new_last_cmdline; + new_last_cmdline = NULL; + } +#endif + } + else + { + /* need to copy the command after the '|' to cmdline_copy, for the + * next do_one_cmd() */ + mch_memmove(cmdline_copy, next_cmdline, STRLEN(next_cmdline) + 1); + next_cmdline = cmdline_copy; + } + + +#ifdef FEAT_EVAL + /* reset did_emsg for a function that is not aborted by an error */ + if (did_emsg && !force_abort + && getline_equal(getline, cookie, get_func_line) + && !func_has_abort(real_cookie)) + did_emsg = FALSE; + + if (cstack.cs_whilelevel) + { + ++current_line; + + /* + * An ":endwhile" and ":continue" is handled here. + * If we were executing commands, jump back to the ":while". + * If we were not executing commands, decrement whilelevel. + */ + if (cstack.cs_had_endwhile || cstack.cs_had_continue) + { + if (cstack.cs_had_endwhile) + cstack.cs_had_endwhile = FALSE; + else + cstack.cs_had_continue = FALSE; + + /* Jump back to the matching ":while". Be careful not to use + * a cs_line[] from an entry that isn't a ":while": 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) + && cstack.cs_line[cstack.cs_idx] >= 0 + && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE)) + { + current_line = cstack.cs_line[cstack.cs_idx]; + cstack.cs_had_while = TRUE; /* note we jumped there */ + line_breakcheck(); /* check if CTRL-C typed */ + + /* Check for the next breakpoint at or after the ":while".*/ + if (breakpoint != NULL) + { + *breakpoint = dbg_find_breakpoint( + getline_equal(getline, cookie, getsourceline), + fname, + ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1); + *dbg_tick = debug_tick; + } + } + else /* can only get here with ":endwhile" */ + { + --cstack.cs_whilelevel; + if (cstack.cs_idx >= 0) + --cstack.cs_idx; + } + } + + /* + * For a ":while" we need to remember the line number. + */ + else if (cstack.cs_had_while) + { + cstack.cs_had_while = FALSE; + cstack.cs_line[cstack.cs_idx] = current_line - 1; + } + } + + /* + * When not inside any ":while" loop, clear remembered lines. + */ + if (!cstack.cs_whilelevel) + { + 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" or ":endwhile" was + * detected by the ":finally" itself. + */ + if (cstack.cs_had_finally) + { + cstack.cs_had_finally = FALSE; + 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 (accross 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, or :try, or + * looping for ":source" command or function call. + */ + while (!((got_int +#ifdef FEAT_EVAL + || (did_emsg && force_abort) || did_throw +#endif + ) +#ifdef FEAT_EVAL + && cstack.cs_trylevel == 0 +#endif + ) + && !(did_emsg && used_getline + && (getline_equal(getline, cookie, getexmodeline) + || getline_equal(getline, cookie, getexline))) + && (next_cmdline != NULL +#ifdef FEAT_EVAL + || cstack.cs_idx >= 0 +#endif + || (flags & DOCMD_REPEAT))); + + vim_free(cmdline_copy); +#ifdef FEAT_EVAL + free_cmdlines(&lines_ga); + ga_clear(&lines_ga); + + if (cstack.cs_idx >= 0) + { + /* + * If a sourced file or executed function ran to its end, report the + * unclosed conditional. + */ + if (!got_int && !did_throw + && ((getline_equal(getline, cookie, getsourceline) + && !source_finished(getline, cookie)) + || (getline_equal(getline, cookie, get_func_line) + && !func_has_ended(real_cookie)))) + { + if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY) + EMSG(_(e_endtry)); + else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE) + EMSG(_(e_endwhile)); + else + 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. + */ + do + cstack.cs_idx = cleanup_conditionals(&cstack, 0, TRUE); + while (--cstack.cs_idx >= 0); + trylevel = initial_trylevel; + } + + /* If a missing ":endtry", ":endwhile", or ":endif" or a memory lack + * was reported above and the error message is to be converted to an + * exception, do this now after rewinding the cstack. */ + do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line) + ? (char_u *)"endfunction" : (char_u *)NULL); + + if (trylevel == 0) + { + /* + * When an exception is being thrown out of the outermost try + * conditional, discard the uncaught exception, disable the conversion + * of interrupts or errors to exceptions, and ensure that no more + * commands are executed. + */ + if (did_throw) + { + void *p = NULL; + char_u *saved_sourcing_name; + int saved_sourcing_lnum; + struct msglist *messages = NULL, *next; + + /* + * If the uncaught exception is a user exception, report it as an + * error. If it is an error exception, display the saved error + * message now. For an interrupt exception, do nothing; the + * interrupt message is given elsewhere. + */ + switch (current_exception->type) + { + case ET_USER: + sprintf((char *)IObuff, _("E605: Exception not caught: %s"), + current_exception->value); + p = vim_strsave(IObuff); + break; + case ET_ERROR: + messages = current_exception->messages; + current_exception->messages = NULL; + break; + case ET_INTERRUPT: + break; + default: + p = vim_strsave((char_u *)_(e_internal)); + } + + saved_sourcing_name = sourcing_name; + saved_sourcing_lnum = sourcing_lnum; + sourcing_name = current_exception->throw_name; + sourcing_lnum = current_exception->throw_lnum; + current_exception->throw_name = NULL; + + discard_current_exception(); /* uses IObuff if 'verbose' */ + suppress_errthrow = TRUE; + force_abort = TRUE; + + if (messages != NULL) + { + do + { + next = messages->next; + emsg(messages->msg); + vim_free(messages->msg); + vim_free(messages); + messages = next; + } + while (messages != NULL); + } + else if (p != NULL) + { + emsg(p); + vim_free(p); + } + vim_free(sourcing_name); + sourcing_name = saved_sourcing_name; + sourcing_lnum = saved_sourcing_lnum; + } + + /* + * On an interrupt or an aborting error not converted to an exception, + * disable the conversion of errors to exceptions. (Interrupts are not + * converted any more, here.) This enables also the interrupt message + * when force_abort is set and did_emsg unset in case of an interrupt + * from a finally clause after an error. + */ + else if (got_int || (did_emsg && force_abort)) + suppress_errthrow = TRUE; + } + + /* + * The current cstack will be freed when do_cmdline() returns. An uncaught + * exception will have to be rethrown in the previous cstack. If a function + * has just returned or a script file was just finished and the previous + * cstack belongs to the same function or, respectively, script file, it + * will have to be checked for finally clauses to be executed due to the + * ":return" or ":finish". This is done in do_one_cmd(). + */ + if (did_throw) + need_rethrow = TRUE; + if ((getline_equal(getline, cookie, getsourceline) + && ex_nesting_level > source_level(real_cookie)) + || (getline_equal(getline, cookie, get_func_line) + && ex_nesting_level > func_level(real_cookie) + 1)) + { + if (!did_throw) + check_cstack = TRUE; + } + else + { + /* When leaving a function, reduce nesting level. */ + if (getline_equal(getline, cookie, get_func_line)) + --ex_nesting_level; + /* + * Go to debug mode when returning from a function in which we are + * single-stepping. + */ + if ((getline_equal(getline, cookie, getsourceline) + || getline_equal(getline, cookie, get_func_line)) + && ex_nesting_level + 1 <= debug_break_level) + do_debug(getline_equal(getline, cookie, getsourceline) + ? (char_u *)_("End of sourced file") + : (char_u *)_("End of function")); + } + + /* + * Restore the exception environment (done after returning from the + * debugger). + */ + if (flags & DOCMD_EXCRESET) + { + suppress_errthrow = FALSE; + trylevel = saved_trylevel; + force_abort = saved_force_abort; + caught_stack = saved_caught_stack; + (void)v_exception(saved_vv_exception); + (void)v_throwpoint(saved_vv_throwpoint); + /* Necessary for debugging an inactive ":catch", ":finally", or + * ":endtry": */ + did_emsg = saved_did_emsg; + got_int = saved_got_int; + did_throw = saved_did_throw; + need_rethrow = saved_need_rethrow; + check_cstack = saved_check_cstack; + current_exception = saved_current_exception; + } + + msg_list = saved_msg_list; +#endif /* FEAT_EVAL */ + + /* + * If there was too much output to fit on the command line, ask the user to + * hit return before redrawing the screen. With the ":global" command we do + * this only once after the command is finished. + */ + if (did_inc) + { + --RedrawingDisabled; + --no_wait_return; + msg_scroll = FALSE; + + /* + * When just finished an ":if"-":else" which was typed, no need to + * wait for hit-return. Also for an error situation. + */ + if (retval == FAIL +#ifdef FEAT_EVAL + || (did_endif && KeyTyped && !did_emsg) +#endif + ) + { + need_wait_return = FALSE; + msg_didany = FALSE; /* don't wait when restarting edit */ + } + else if (need_wait_return) + { + /* + * The msg_start() above clears msg_didout. The wait_return we do + * here should not overwrite the command that may be shown before + * doing that. + */ + msg_didout |= msg_didout_before_start; + wait_return(FALSE); + } + } + +#ifndef FEAT_EVAL + /* + * Reset if_level, in case a sourced script file contains more ":if" than + * ":endif" (could be ":if x | foo | endif"). + */ + if_level = 0; +#endif + + --call_depth; + return retval; +} + +#ifdef FEAT_EVAL +/* + * Obtain a line when inside a ":while" loop. + */ + static char_u * +get_while_line(c, cookie, indent) + int c; + void *cookie; + int indent; +{ + struct while_cookie *cp = (struct while_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 the ":endwhile" */ + + /* First time inside the ":while": get line normally. */ + if (cp->getline == NULL) + line = getcmdline(c, 0L, indent); + else + line = cp->getline(c, cp->cookie, indent); + if (store_while_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_while_line(gap, line) + garray_T *gap; + char_u *line; +{ + if (ga_grow(gap, 1) == FAIL) + return FAIL; + ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line); + ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum; + ++gap->ga_len; + --gap->ga_room; + return OK; +} + +/* + * Free the lines stored for a ":while" loop. + */ + static void +free_cmdlines(gap) + garray_T *gap; +{ + while (gap->ga_len > 0) + { + vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line); + --gap->ga_len; + ++gap->ga_room; + } +} +#endif + +/* + * If "getline" is get_while_line(), return TRUE if the getline it uses equals + * "func". * Otherwise return TRUE when "getline" equals "func". + */ +/*ARGSUSED*/ + int +getline_equal(getline, cookie, func) + char_u *(*getline) __ARGS((int, void *, int)); + void *cookie; /* argument for getline() */ + char_u *(*func) __ARGS((int, void *, int)); +{ +#ifdef FEAT_EVAL + char_u *(*gp) __ARGS((int, void *, int)); + struct while_cookie *cp; + + /* When "getline" is "get_while_line()" use the "cookie" to find the + * function that's orignally used to obtain the lines. This may be nested + * several levels. */ + gp = getline; + cp = (struct while_cookie *)cookie; + while (gp == get_while_line) + { + gp = cp->getline; + cp = cp->cookie; + } + return gp == func; +#else + return getline == func; +#endif +} + +#if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO) +/* + * If "getline" is get_while_line(), return the cookie used by the original + * getline function. Otherwise return "cookie". + */ +/*ARGSUSED*/ + void * +getline_cookie(getline, cookie) + char_u *(*getline) __ARGS((int, void *, int)); + void *cookie; /* argument for getline() */ +{ +# ifdef FEAT_EVAL + char_u *(*gp) __ARGS((int, void *, int)); + struct while_cookie *cp; + + /* When "getline" is "get_while_line()" use the "cookie" to find the + * cookie that's orignally used to obtain the lines. This may be nested + * several levels. */ + gp = getline; + cp = (struct while_cookie *)cookie; + while (gp == get_while_line) + { + gp = cp->getline; + cp = cp->cookie; + } + return cp; +# else + return cookie; +# endif +} +#endif + +/* + * Execute one Ex command. + * + * If 'sourcing' is TRUE, the command will be included in the error message. + * + * 1. skip comment lines and leading space + * 2. handle command modifiers + * 3. parse range + * 4. parse command + * 5. parse arguments + * 6. switch on command name + * + * Note: "getline" can be NULL. + * + * This function may be called recursively! + */ +#if (_MSC_VER == 1200) +/* + * Optimisation bug in VC++ version 6.0 + * TODO: check this is still present after each service pack + */ +# pragma optimize( "g", off ) +#endif + static char_u * +do_one_cmd(cmdlinep, sourcing, +#ifdef FEAT_EVAL + cstack, +#endif + getline, cookie) + char_u **cmdlinep; + int sourcing; +#ifdef FEAT_EVAL + struct condstack *cstack; +#endif + char_u *(*getline) __ARGS((int, void *, int)); + void *cookie; /* argument for getline() */ +{ + char_u *p; + linenr_T lnum; + long n; + char_u *errormsg = NULL; /* error message */ + exarg_T ea; /* Ex command arguments */ + long verbose_save = -1; + int save_msg_scroll = 0; + int did_silent = 0; + int did_esilent = 0; + cmdmod_T save_cmdmod; + int ni; /* set when Not Implemented */ + + vim_memset(&ea, 0, sizeof(ea)); + ea.line1 = 1; + ea.line2 = 1; +#ifdef FEAT_EVAL + ++ex_nesting_level; +#endif + + /* when not editing the last file :q has to be typed twice */ + if (quitmore +#ifdef FEAT_EVAL + /* avoid that a function call in 'statusline' does this */ + && !getline_equal(getline, cookie, get_func_line) +#endif + ) + --quitmore; + + /* + * Reset browse, confirm, etc.. They are restored when returning, for + * recursive calls. + */ + save_cmdmod = cmdmod; + vim_memset(&cmdmod, 0, sizeof(cmdmod)); + + /* + * Repeat until no more command modifiers are found. + */ + ea.cmd = *cmdlinep; + for (;;) + { +/* + * 1. skip comment lines and leading white space and colons + */ + while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':') + ++ea.cmd; + + /* in ex mode, an empty line works like :+ */ + if (*ea.cmd == NUL && exmode_active + && (getline_equal(getline, cookie, getexmodeline) + || getline_equal(getline, cookie, getexline))) + { + ea.cmd = (char_u *)"+"; + ex_pressedreturn = TRUE; + } + + /* ignore comment and empty lines */ + if (*ea.cmd == '"' || *ea.cmd == NUL) + goto doend; + +/* + * 2. handle command modifiers. + */ + p = ea.cmd; + if (VIM_ISDIGIT(*ea.cmd)) + p = skipwhite(skipdigits(ea.cmd)); + switch (*p) + { + /* When adding an entry, also modify cmd_exists(). */ + case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3)) + break; +#ifdef FEAT_WINDOWS + cmdmod.split |= WSP_ABOVE; +#endif + continue; + + case 'b': if (checkforcmd(&ea.cmd, "belowright", 3)) + { +#ifdef FEAT_WINDOWS + cmdmod.split |= WSP_BELOW; +#endif + continue; + } + if (checkforcmd(&ea.cmd, "browse", 3)) + { +#ifdef FEAT_BROWSE + cmdmod.browse = TRUE; +#endif + continue; + } + if (!checkforcmd(&ea.cmd, "botright", 2)) + break; +#ifdef FEAT_WINDOWS + cmdmod.split |= WSP_BOT; +#endif + continue; + + case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4)) + break; +#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) + cmdmod.confirm = TRUE; +#endif + continue; + + case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3)) + { + cmdmod.keepmarks = TRUE; + continue; + } + if (!checkforcmd(&ea.cmd, "keepjumps", 5)) + break; + cmdmod.keepjumps = TRUE; + continue; + + /* ":hide" and ":hide | cmd" are not modifiers */ + case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3) + || *p == NUL || ends_excmd(*p)) + break; + ea.cmd = p; + cmdmod.hide = TRUE; + continue; + + case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3)) + { + cmdmod.lockmarks = TRUE; + continue; + } + + if (!checkforcmd(&ea.cmd, "leftabove", 5)) + break; +#ifdef FEAT_WINDOWS + cmdmod.split |= WSP_ABOVE; +#endif + continue; + + case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6)) + break; +#ifdef FEAT_WINDOWS + cmdmod.split |= WSP_BELOW; +#endif + continue; + + case 's': if (!checkforcmd(&ea.cmd, "silent", 3)) + break; + ++did_silent; + ++msg_silent; + save_msg_scroll = msg_scroll; + if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1])) + { + /* ":silent!", but not "silent !cmd" */ + ea.cmd = skipwhite(ea.cmd + 1); + ++emsg_silent; + ++did_esilent; + } + continue; + + case 't': if (!checkforcmd(&ea.cmd, "topleft", 2)) + break; +#ifdef FEAT_WINDOWS + cmdmod.split |= WSP_TOP; +#endif + continue; + + case 'v': if (checkforcmd(&ea.cmd, "vertical", 4)) + { +#ifdef FEAT_VERTSPLIT + cmdmod.split |= WSP_VERT; +#endif + continue; + } + if (!checkforcmd(&p, "verbose", 4)) + break; + if (verbose_save < 0) + verbose_save = p_verbose; + p_verbose = atoi((char *)ea.cmd); + if (p_verbose == 0) + p_verbose = 1; + ea.cmd = p; + continue; + } + break; + } + +#ifdef FEAT_EVAL + ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0 + && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE)); +#else + ea.skip = (if_level > 0); +#endif + +#ifdef FEAT_EVAL + /* May go to debug mode. If this happens and the ">quit" debug command is + * used, throw an interrupt exception and skip the next command. */ + dbg_check_breakpoint(&ea); + if (!ea.skip && got_int) + { + ea.skip = TRUE; + (void)do_intthrow(cstack); + } +#endif + +/* + * 3. parse a range specifier of the form: addr [,addr] [;addr] .. + * + * where 'addr' is: + * + * % (entire file) + * $ [+-NUM] + * 'x [+-NUM] (where x denotes a currently defined mark) + * . [+-NUM] + * [+-NUM].. + * NUM + * + * The ea.cmd pointer is updated to point to the first character following the + * range spec. If an initial address is found, but no second, the upper bound + * is equal to the lower. + */ + + /* repeat for all ',' or ';' separated addresses */ + for (;;) + { + ea.line1 = ea.line2; + ea.line2 = curwin->w_cursor.lnum; /* default is current line number */ + ea.cmd = skipwhite(ea.cmd); + lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0); + if (ea.cmd == NULL) /* error detected */ + goto doend; + if (lnum == MAXLNUM) + { + if (*ea.cmd == '%') /* '%' - all lines */ + { + ++ea.cmd; + ea.line1 = 1; + ea.line2 = curbuf->b_ml.ml_line_count; + ++ea.addr_count; + } + /* '*' - visual area */ + else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL) + { + pos_T *fp; + + ++ea.cmd; + if (!ea.skip) + { + fp = getmark('<', FALSE); + if (check_mark(fp) == FAIL) + goto doend; + ea.line1 = fp->lnum; + fp = getmark('>', FALSE); + if (check_mark(fp) == FAIL) + goto doend; + ea.line2 = fp->lnum; + ++ea.addr_count; + } + } + } + else + ea.line2 = lnum; + ea.addr_count++; + + if (*ea.cmd == ';') + { + if (!ea.skip) + curwin->w_cursor.lnum = ea.line2; + } + else if (*ea.cmd != ',') + break; + ++ea.cmd; + } + + /* One address given: set start and end lines */ + if (ea.addr_count == 1) + { + ea.line1 = ea.line2; + /* ... but only implicit: really no address given */ + if (lnum == MAXLNUM) + ea.addr_count = 0; + } + + /* Don't leave the cursor on an illegal line (caused by ';') */ + check_cursor_lnum(); + +/* + * 4. parse command + */ + + /* + * Skip ':' and any white space + */ + ea.cmd = skipwhite(ea.cmd); + while (*ea.cmd == ':') + ea.cmd = skipwhite(ea.cmd + 1); + + /* + * If we got a line, but no command, then go to the line. + * If we find a '|' or '\n' we set ea.nextcmd. + */ + if (*ea.cmd == NUL || *ea.cmd == '"' || + (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL) + { + /* + * strange vi behaviour: + * ":3" jumps to line 3 + * ":3|..." prints line 3 + * ":|" prints current line + */ + if (ea.skip) /* skip this if inside :if */ + goto doend; + if (*ea.cmd == '|') + { + ea.cmdidx = CMD_print; + ea.argt = RANGE+COUNT+TRLBAR; + if ((errormsg = invalid_range(&ea)) == NULL) + { + correct_range(&ea); + ex_print(&ea); + } + } + else if (ea.addr_count != 0) + { + if (ea.line2 < 0) + errormsg = invalid_range(&ea); + else + { + if (ea.line2 == 0) + curwin->w_cursor.lnum = 1; + else if (ea.line2 > curbuf->b_ml.ml_line_count) + curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; + else + curwin->w_cursor.lnum = ea.line2; + beginline(BL_SOL | BL_FIX); + } + } + goto doend; + } + + /* Find the command and let "p" point to after it. */ + p = find_command(&ea, NULL); + +#ifdef FEAT_USR_CMDS + if (p == NULL) + { + if (!ea.skip) + errormsg = (char_u *)_("E464: Ambiguous use of user-defined command"); + goto doend; + } + /* Check for wrong commands. */ + if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78) + { + errormsg = uc_fun_cmd(); + goto doend; + } +#endif + if (ea.cmdidx == CMD_SIZE) + { + if (!ea.skip) + { + STRCPY(IObuff, _("E492: Not an editor command")); + if (!sourcing) + { + STRCAT(IObuff, ": "); + STRNCAT(IObuff, *cmdlinep, 40); + } + errormsg = IObuff; + } + goto doend; + } + + ni = ( +#ifdef FEAT_USR_CMDS + !USER_CMDIDX(ea.cmdidx) && +#endif + cmdnames[ea.cmdidx].cmd_func == ex_ni); + +#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 + + if (*p == '!' && ea.cmdidx != CMD_substitute) /* forced commands */ + { + ++p; + ea.forceit = TRUE; + } + else + ea.forceit = FALSE; + +/* + * 5. parse arguments + */ +#ifdef FEAT_USR_CMDS + if (!USER_CMDIDX(ea.cmdidx)) +#endif + ea.argt = cmdnames[(int)ea.cmdidx].cmd_argt; + + if (!ea.skip) + { +#ifdef HAVE_SANDBOX + if (sandbox != 0 && !(ea.argt & SBOXOK)) + { + /* Command not allowed in sandbox. */ + errormsg = (char_u *)_(e_sandbox); + goto doend; + } +#endif + if (!curbuf->b_p_ma && (ea.argt & MODIFY)) + { + /* Command not allowed in non-'modifiable' buffer */ + errormsg = (char_u *)_(e_modifiable); + goto doend; + } +#ifdef FEAT_CMDWIN + if (cmdwin_type != 0 && !(ea.argt & CMDWIN) +# ifdef FEAT_USR_CMDS + && !USER_CMDIDX(ea.cmdidx) +# endif + ) + { + /* Command not allowed in cmdline window. */ + errormsg = (char_u *)_(e_cmdwin); + goto doend; + } +#endif + + if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0) + { + /* no range allowed */ + errormsg = (char_u *)_(e_norange); + goto doend; + } + } + + if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */ + { + errormsg = (char_u *)_(e_nobang); + goto doend; + } + + /* + * Don't complain about the range if it is not used + * (could happen if line_count is accidentally set to 0). + */ + if (!ea.skip && !ni) + { + /* + * If the range is backwards, ask for confirmation and, if given, swap + * ea.line1 & ea.line2 so it's forwards again. + * When global command is busy, don't ask, will fail below. + */ + if (!global_busy && ea.line1 > ea.line2) + { + if (sourcing) + { + errormsg = (char_u *)_("E493: Backwards range given"); + goto doend; + } + else + { + int msg_silent_save = msg_silent; + + msg_silent = 0; + if (ask_yesno((char_u *) + _("Backwards range given, OK to swap"), FALSE) != 'y') + goto doend; + msg_silent = msg_silent_save; + } + lnum = ea.line1; + ea.line1 = ea.line2; + ea.line2 = lnum; + } + if ((errormsg = invalid_range(&ea)) != NULL) + goto doend; + } + + if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */ + ea.line2 = 1; + + correct_range(&ea); + +#ifdef FEAT_FOLDING + if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy) + { + /* Put the first line at the start of a closed fold, put the last line + * at the end of a closed fold. */ + (void)hasFolding(ea.line1, &ea.line1, NULL); + (void)hasFolding(ea.line2, NULL, &ea.line2); + } +#endif + +#ifdef FEAT_QUICKFIX + /* + * For the :make and :grep commands we insert the 'makeprg'/'grepprg' + * option here, so things like % get expanded. + */ + if (ea.cmdidx == CMD_make || ea.cmdidx == CMD_grep + || ea.cmdidx == CMD_grepadd) + { + char_u *new_cmdline; + char_u *program; + char_u *pos; + char_u *ptr; + int len; + int i; + + if (ea.cmdidx == CMD_grep || ea.cmdidx == CMD_grepadd) + { + 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((int)(STRLEN(program) + i * (len - 2) + 1)); + if (new_cmdline == NULL) + goto doend; /* 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((int)(STRLEN(program) + STRLEN(p) + 2)); + if (new_cmdline == NULL) + goto doend; /* out of memory */ + STRCPY(new_cmdline, program); + STRCAT(new_cmdline, " "); + STRCAT(new_cmdline, p); + } + msg_make(p); + /* 'ea.cmd' is not set here, because it is not used at CMD_make */ + vim_free(*cmdlinep); + *cmdlinep = new_cmdline; + p = new_cmdline; + } +#endif + + /* + * Skip to start of argument. + * Don't do this for the ":!" command, because ":!! -l" needs the space. + */ + if (ea.cmdidx == CMD_bang) + ea.arg = p; + else + ea.arg = skipwhite(p); + + /* + * Check for "++opt=val" argument. + * Must be first, allow ":w ++enc=utf8 !cmd" + */ + if (ea.argt & ARGOPT) + while (ea.arg[0] == '+' && ea.arg[1] == '+') + if (getargopt(&ea) == FAIL && !ni) + { + errormsg = (char_u *)_(e_invarg); + goto doend; + } + + if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update) + { + if (*ea.arg == '>') /* append */ + { + if (*++ea.arg != '>') /* typed wrong */ + { + errormsg = (char_u *)_("E494: Use w or w>>"); + goto doend; + } + ea.arg = skipwhite(ea.arg + 1); + ea.append = TRUE; + } + else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */ + { + ++ea.arg; + ea.usefilter = TRUE; + } + } + + if (ea.cmdidx == CMD_read) + { + if (ea.forceit) + { + ea.usefilter = TRUE; /* :r! filter if ea.forceit */ + ea.forceit = FALSE; + } + else if (*ea.arg == '!') /* :r !filter */ + { + ++ea.arg; + ea.usefilter = TRUE; + } + } + + if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift) + { + ea.amount = 1; + while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */ + { + ++ea.arg; + ++ea.amount; + } + ea.arg = skipwhite(ea.arg); + } + + /* + * Check for "+command" argument, before checking for next command. + * Don't do this for ":read !cmd" and ":write !cmd". + */ + if ((ea.argt & EDITCMD) && !ea.usefilter) + ea.do_ecmd_cmd = getargcmd(&ea.arg); + + /* + * Check for '|' to separate commands and '"' to start comments. + * Don't do this for ":read !cmd" and ":write !cmd". + */ + if ((ea.argt & TRLBAR) && !ea.usefilter) + separate_nextcmd(&ea); + + /* + * Check for <newline> to end a shell command. + * Also do this for ":read !cmd" and ":write !cmd". + */ + else if (ea.cmdidx == CMD_bang || 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') + mch_memmove(p, p + 1, STRLEN(p)); + else if (*p == '\n') + { + ea.nextcmd = p + 1; + *p = NUL; + break; + } + } + } + + if ((ea.argt & DFLALL) && ea.addr_count == 0) + { + ea.line1 = 1; + ea.line2 = curbuf->b_ml.ml_line_count; + } + + /* accept numbered register only when no count allowed (:put) */ + if ( (ea.argt & REGSTR) + && *ea.arg != NUL +#ifdef FEAT_USR_CMDS + && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put + && USER_CMDIDX(ea.cmdidx))) + /* Do not allow register = for user commands */ + && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=') +#else + && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put) +#endif + && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg))) + { + ea.regname = *ea.arg++; +#ifdef FEAT_EVAL + /* for '=' register: accept the rest of the line as an expression */ + if (ea.arg[-1] == '=' && ea.arg[0] != NUL) + { + set_expr_line(vim_strsave(ea.arg)); + ea.arg += STRLEN(ea.arg); + } +#endif + ea.arg = skipwhite(ea.arg); + } + + /* + * Check for a count. When accepting a BUFNAME, don't use "123foo" as a + * count, it's a buffer name. + */ + if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg) + && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL + || vim_iswhite(*p))) + { + n = getdigits(&ea.arg); + ea.arg = skipwhite(ea.arg); + if (n <= 0 && !ni) + { + errormsg = (char_u *)_(e_zerocount); + goto doend; + } + if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */ + { + ea.line2 = n; + if (ea.addr_count == 0) + ea.addr_count = 1; + } + else + { + ea.line1 = ea.line2; + ea.line2 += n - 1; + ++ea.addr_count; + /* + * Be vi compatible: no error message for out of range. + */ + if (ea.line2 > curbuf->b_ml.ml_line_count) + ea.line2 = curbuf->b_ml.ml_line_count; + } + } + /* no arguments allowed */ + if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL && + vim_strchr((char_u *)"|\"", *ea.arg) == NULL) + { + errormsg = (char_u *)_(e_trailing); + goto doend; + } + + if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL) + { + errormsg = (char_u *)_(e_argreq); + goto doend; + } + +#ifdef FEAT_EVAL + /* + * Skip the command when it's not going to be executed. + * The commands like :if, :endif, etc. always need to be executed. + * Also make an exception for commands that handle a trailing command + * themselves. + */ + if (ea.skip) + { + switch (ea.cmdidx) + { + /* commands that need evaluation */ + case CMD_while: + case CMD_endwhile: + case CMD_if: + case CMD_elseif: + case CMD_else: + case CMD_endif: + case CMD_try: + case CMD_catch: + case CMD_finally: + case CMD_endtry: + case CMD_function: + break; + + /* Commands that handle '|' themselves. Check: A command should + * either have the TRLBAR flag, appear in this list or appear in + * the list at ":help :bar". */ + case CMD_aboveleft: + case CMD_and: + case CMD_belowright: + case CMD_botright: + case CMD_browse: + case CMD_call: + case CMD_confirm: + case CMD_delfunction: + case CMD_djump: + case CMD_dlist: + case CMD_dsearch: + case CMD_dsplit: + case CMD_echo: + case CMD_echoerr: + case CMD_echomsg: + case CMD_echon: + case CMD_execute: + case CMD_help: + case CMD_hide: + case CMD_ijump: + case CMD_ilist: + case CMD_isearch: + case CMD_isplit: + case CMD_keepjumps: + case CMD_keepmarks: + case CMD_leftabove: + case CMD_let: + case CMD_lockmarks: + case CMD_match: + case CMD_perl: + case CMD_psearch: + case CMD_python: + case CMD_return: + case CMD_rightbelow: + case CMD_ruby: + case CMD_silent: + case CMD_smagic: + case CMD_snomagic: + case CMD_substitute: + case CMD_syntax: + case CMD_tcl: + case CMD_throw: + case CMD_tilde: + case CMD_topleft: + case CMD_unlet: + case CMD_verbose: + case CMD_vertical: + break; + + default: goto doend; + } + } +#endif + + if (ea.argt & XFILE) + { + if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL) + goto doend; + } + +#ifdef FEAT_LISTCMDS + /* + * Accept buffer name. Cannot be used at the same time with a buffer + * number. Don't do this for a user command. + */ + if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0 +# ifdef FEAT_USR_CMDS + && !USER_CMDIDX(ea.cmdidx) +# endif + ) + { + /* + * :bdelete, :bwipeout and :bunload take several arguments, separated + * by spaces: find next space (skipping over escaped characters). + * The others take one argument: ignore trailing spaces. + */ + if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout + || ea.cmdidx == CMD_bunload) + p = skiptowhite_esc(ea.arg); + else + { + p = ea.arg + STRLEN(ea.arg); + while (p > ea.arg && vim_iswhite(p[-1])) + --p; + } + ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE); + if (ea.line2 < 0) /* failed */ + goto doend; + ea.addr_count = 1; + ea.arg = skipwhite(p); + } +#endif + +/* + * 6. switch on command name + * + * The "ea" structure holds the arguments that can be used. + */ + ea.cmdlinep = cmdlinep; + ea.getline = getline; + ea.cookie = cookie; +#ifdef FEAT_EVAL + ea.cstack = cstack; +#endif + +#ifdef FEAT_USR_CMDS + if (USER_CMDIDX(ea.cmdidx)) + { + /* + * Execute a user-defined command. + */ + do_ucmd(&ea); + } + else +#endif + { + /* + * Call the function to execute the command. + */ + ea.errmsg = NULL; + (cmdnames[ea.cmdidx].cmd_func)(&ea); + if (ea.errmsg != NULL) + errormsg = (char_u *)_(ea.errmsg); + } + +#ifdef FEAT_EVAL + /* + * If the command just executed called do_cmdline(), any throw or ":return" + * or ":finish" encountered there must also check the cstack of the still + * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught + * exception, or reanimate a returned function or finished script file and + * return or finish it again. + */ + if (need_rethrow) + do_throw(cstack); + else if (check_cstack) + { + if (source_finished(getline, cookie)) + do_finish(&ea, TRUE); + else if (getline_equal(getline, cookie, get_func_line) + && current_func_returned()) + do_return(&ea, TRUE, FALSE, NULL); + } + need_rethrow = check_cstack = FALSE; +#endif + +doend: + if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */ + curwin->w_cursor.lnum = 1; + + if (errormsg != NULL && *errormsg != NUL && !did_emsg) + { + if (sourcing) + { + if (errormsg != IObuff) + { + STRCPY(IObuff, errormsg); + errormsg = IObuff; + } + STRCAT(errormsg, ": "); + STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff)); + } + emsg(errormsg); + } +#ifdef FEAT_EVAL + do_errthrow(cstack, + (ea.cmdidx != CMD_SIZE +# ifdef FEAT_USR_CMDS + && !USER_CMDIDX(ea.cmdidx) +# endif + ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL); +#endif + + if (verbose_save >= 0) + p_verbose = verbose_save; + + cmdmod = save_cmdmod; + + if (did_silent > 0) + { + /* messages could be enabled for a serious error, need to check if the + * counters don't become negative */ + msg_silent -= did_silent; + if (msg_silent < 0) + msg_silent = 0; + emsg_silent -= did_esilent; + if (emsg_silent < 0) + emsg_silent = 0; + /* Restore msg_scroll, it's set by file I/O commands, even when no + * message is actually displayed. */ + msg_scroll = save_msg_scroll; + } + + if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */ + ea.nextcmd = NULL; + +#ifdef FEAT_EVAL + --ex_nesting_level; +#endif + + return ea.nextcmd; +} +#if (_MSC_VER == 1200) +# pragma optimize( "", on ) +#endif + +/* + * Check for a command modifier command with optional tail. + * If there is a match advance "pp" to the argument and return TRUE. + */ + static int +checkforcmd(pp, cmd, len) + char_u **pp; /* start of command line */ + char *cmd; /* name of command */ + int len; /* required length */ +{ + int i; + + for (i = 0; cmd[i] != NUL; ++i) + if (cmd[i] != (*pp)[i]) + break; + if (i >= len && !isalpha((*pp)[i])) + { + *pp = skipwhite(*pp + i); + return TRUE; + } + return FALSE; +} + +/* + * Find an Ex command by its name, either built-in or user. + * Name can be found at eap->cmd. + * Returns pointer to char after the command name. + * Returns NULL for an ambiguous user command. + */ +/*ARGSUSED*/ + static char_u * +find_command(eap, full) + exarg_T *eap; + int *full; +{ + int len; + char_u *p; + + /* + * Isolate the command and search for it in the command table. + * Exeptions: + * - the 'k' command can directly be followed by any character. + * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r' + * but :sre[wind] is another command, as are :scrip[tnames], + * :scs[cope], :sim[alt], :sig[ns] and :sil[ent]. + */ + p = eap->cmd; + if (*p == 'k') + { + eap->cmdidx = CMD_k; + ++p; + } + else if (p[0] == 's' + && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r' && p[3] != 'i' && p[4] != 'p') + || p[1] == 'g' + || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g') + || p[1] == 'I' + || (p[1] == 'r' && p[2] != 'e'))) + { + eap->cmdidx = CMD_substitute; + ++p; + } + else + { + while (ASCII_ISALPHA(*p)) + ++p; + /* check for non-alpha command */ + if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL) + ++p; + len = (int)(p - eap->cmd); + + if (ASCII_ISLOWER(*eap->cmd)) + eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)]; + else + eap->cmdidx = cmdidxs[26]; + + for ( ; (int)eap->cmdidx < (int)CMD_SIZE; + eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1)) + if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd, + (size_t)len) == 0) + { +#ifdef FEAT_EVAL + if (full != NULL + && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL) + *full = TRUE; +#endif + break; + } + +#ifdef FEAT_USR_CMDS + /* Look for a user defined command as a last resort */ + if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z') + { + ucmd_T *cmd; + int j, k, matchlen = 0; + int found = FALSE, possible = FALSE; + char_u *cp, *np; /* Point into typed cmd and test name */ + garray_T *gap; + int amb_local = FALSE; /* Found ambiguous buffer-local + command, only full match global + is accepted. */ + + /* User defined commands may contain numbers */ + while (ASCII_ISALNUM(*p)) + ++p; + len = (int)(p - eap->cmd); + + /* + * Look for buffer-local user commands first, then global ones. + */ + gap = &curbuf->b_ucmds; + for (;;) + { + for (j = 0; j < gap->ga_len; ++j) + { + cmd = USER_CMD_GA(gap, j); + cp = eap->cmd; + np = cmd->uc_name; + k = 0; + while (k < len && *np != NUL && *cp++ == *np++) + k++; + if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k]))) + { + /* If finding a second match, the command is + * ambiguous. But not if a buffer-local command + * wasn't a full match and a global command is a full + * match. */ + if (k == len && found && *np != NUL) + { + if (gap == &ucmds) + return NULL; + amb_local = TRUE; + } + + if (!found || (k == len && *np == NUL)) + { + /* If we matched up to a digit, then there could + * be another command including the digit that we + * should use instead. + */ + if (k == len) + found = TRUE; + else + possible = TRUE; + + if (gap == &ucmds) + eap->cmdidx = CMD_USER; + else + eap->cmdidx = CMD_USER_BUF; + eap->argt = cmd->uc_argt; + eap->useridx = j; + + /* Do not search for further abbreviations + * if this is an exact match. */ + matchlen = k; + if (k == len && *np == NUL) + { + if (full != NULL) + *full = TRUE; + amb_local = FALSE; + break; + } + } + } + } + + /* Stop if we found a full match or searched all. */ + if (j < gap->ga_len || gap == &ucmds) + break; + gap = &ucmds; + } + + /* Only found ambiguous matches. */ + if (amb_local) + return NULL; + + /* The match we found may be followed immediately by a + * number. Move *p back to point to it. + */ + if (found || possible) + p += matchlen - len; + } +#endif + + if (len == 0) + eap->cmdidx = CMD_SIZE; + } + + return p; +} + +#if defined(FEAT_EVAL) || defined(PROTO) +/* + * Return > 0 if an Ex command "name" exists. + * Return 2 if there is an exact match. + * Return 3 if there is an ambiguous match. + */ + int +cmd_exists(name) + char_u *name; +{ + exarg_T ea; + int full = FALSE; + int i; + int j; + static struct cmdmod + { + char *name; + int minlen; + } cmdmods[] = { + {"aboveleft", 3}, + {"belowright", 3}, + {"botright", 2}, + {"browse", 3}, + {"confirm", 4}, + {"hide", 3}, + {"keepjumps", 5}, + {"keepmarks", 3}, + {"leftabove", 5}, + {"lockmarks", 3}, + {"rightbelow", 6}, + {"silent", 3}, + {"topleft", 2}, + {"verbose", 4}, + {"vertical", 4}, + }; + + /* Check command modifiers. */ + for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i) + { + for (j = 0; name[j] != NUL; ++j) + if (name[j] != cmdmods[i].name[j]) + break; + if (name[j] == NUL && j >= cmdmods[i].minlen) + return (cmdmods[i].name[j] == NUL ? 2 : 1); + } + + /* Check built-in commands and user defined commands. */ + ea.cmd = name; + ea.cmdidx = (cmdidx_T)0; + if (find_command(&ea, &full) == NULL) + return 3; + return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1)); +} +#endif + +/* + * This is all pretty much copied from do_one_cmd(), with all the extra stuff + * we don't need/want deleted. Maybe this could be done better if we didn't + * repeat all this stuff. The only problem is that they may not stay + * perfectly compatible with each other, but then the command line syntax + * probably won't change that much -- webb. + */ + char_u * +set_one_cmd_context(xp, buff) + expand_T *xp; + char_u *buff; /* buffer for command string */ +{ + char_u *p; + char_u *cmd, *arg; + int i = 0; + cmdidx_T cmdidx; + long_u argt = 0; +#if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL) + int compl = EXPAND_NOTHING; +#endif +#ifdef FEAT_CMDL_COMPL + int delim; +#endif + int forceit = FALSE; + int usefilter = FALSE; /* filter instead of file name */ + + xp->xp_pattern = buff; + xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */ + xp->xp_backslash = XP_BS_NONE; +#if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL) + xp->xp_arg = NULL; +#endif + +/* + * 2. skip comment lines and leading space, colons or bars + */ + for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++) + ; + xp->xp_pattern = cmd; + + if (*cmd == NUL) + return NULL; + if (*cmd == '"') /* ignore comment lines */ + { + xp->xp_context = EXPAND_NOTHING; + return NULL; + } + +/* + * 3. parse a range specifier of the form: addr [,addr] [;addr] .. + */ + cmd = skip_range(cmd, &xp->xp_context); + +/* + * 4. parse command + */ + + cmd = skipwhite(cmd); + xp->xp_pattern = cmd; + if (*cmd == NUL) + return NULL; + if (*cmd == '"') + { + xp->xp_context = EXPAND_NOTHING; + return NULL; + } + + if (*cmd == '|' || *cmd == '\n') + return cmd + 1; /* There's another command */ + + /* + * Isolate the command and search for it in the command table. + * Exceptions: + * - the 'k' command can directly be followed by any character, but + * do accept "keepmarks" and "keepjumps". + * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r' + */ + if (*cmd == 'k' && cmd[1] != 'e') + { + cmdidx = CMD_k; + p = cmd + 1; + } + else + { + p = cmd; + while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */ + ++p; + /* check for non-alpha command */ + if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL) + ++p; + i = (int)(p - cmd); + + if (i == 0) + { + xp->xp_context = EXPAND_UNSUCCESSFUL; + return NULL; + } + for (cmdidx = (cmdidx_T)0; (int)cmdidx < (int)CMD_SIZE; + cmdidx = (cmdidx_T)((int)cmdidx + 1)) + if (STRNCMP(cmdnames[(int)cmdidx].cmd_name, cmd, (size_t)i) == 0) + break; + +#ifdef FEAT_USR_CMDS + if (cmd[0] >= 'A' && cmd[0] <= 'Z') + { + while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */ + ++p; + i = (int)(p - cmd); + } +#endif + } + + /* + * If the cursor is touching the command, and it ends in an alpha-numeric + * character, complete the command name. + */ + if (*p == NUL && ASCII_ISALNUM(p[-1])) + return NULL; + + if (cmdidx == CMD_SIZE) + { + if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL) + { + cmdidx = CMD_substitute; + p = cmd + 1; + } +#ifdef FEAT_USR_CMDS + else if (cmd[0] >= 'A' && cmd[0] <= 'Z') + { + /* Look for a user defined command as a last resort */ + ucmd_T *uc; + int j, k, matchlen = 0; + int found = FALSE, possible = FALSE; + char_u *cp, *np; /* Point into typed cmd and test name */ + garray_T *gap; + + gap = &curbuf->b_ucmds; + for (;;) + { + uc = USER_CMD_GA(gap, 0); + for (j = 0; j < gap->ga_len; ++j, ++uc) + { + cp = cmd; + np = uc->uc_name; + k = 0; + while (k < i && *np != NUL && *cp++ == *np++) + k++; + if (k == i || (*np == NUL && VIM_ISDIGIT(cmd[k]))) + { + if (k == i && found) + { + /* Ambiguous abbreviation */ + xp->xp_context = EXPAND_UNSUCCESSFUL; + return NULL; + } + if (!found) + { + /* If we matched up to a digit, then there could + * be another command including the digit that we + * should use instead. + */ + if (k == i) + found = TRUE; + else + possible = TRUE; + + if (gap == &ucmds) + cmdidx = CMD_USER; + else + cmdidx = CMD_USER_BUF; + argt = uc->uc_argt; +#ifdef FEAT_CMDL_COMPL + compl = uc->uc_compl; +# ifdef FEAT_EVAL + xp->xp_arg = uc->uc_compl_arg; + xp->xp_scriptID = uc->uc_scriptID; +# endif +#endif + /* Do not search for further abbreviations + * if this is an exact match + */ + matchlen = k; + if (k == i && *np == NUL) + break; + } + } + } + if (gap == &ucmds || j < gap->ga_len) + break; + gap = &ucmds; + } + + /* The match we found may be followed immediately by a + * number. Move *p back to point to it. + */ + if (found || possible) + p += matchlen - i; + } +#endif + } + if (cmdidx == CMD_SIZE) + { + /* Not still touching the command and it was an illegal one */ + xp->xp_context = EXPAND_UNSUCCESSFUL; + return NULL; + } + + xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */ + + if (*p == '!') /* forced commands */ + { + forceit = TRUE; + ++p; + } + +/* + * 5. parse arguments + */ +#ifdef FEAT_USR_CMDS + if (!USER_CMDIDX(cmdidx)) +#endif + argt = cmdnames[(int)cmdidx].cmd_argt; + + arg = skipwhite(p); + + if (cmdidx == CMD_write || cmdidx == CMD_update) + { + if (*arg == '>') /* append */ + { + if (*++arg == '>') + ++arg; + arg = skipwhite(arg); + } + else if (*arg == '!' && cmdidx == CMD_write) /* :w !filter */ + { + ++arg; + usefilter = TRUE; + } + } + + if (cmdidx == CMD_read) + { + usefilter = forceit; /* :r! filter if forced */ + if (*arg == '!') /* :r !filter */ + { + ++arg; + usefilter = TRUE; + } + } + + if (cmdidx == CMD_lshift || cmdidx == CMD_rshift) + { + while (*arg == *cmd) /* allow any number of '>' or '<' */ + ++arg; + arg = skipwhite(arg); + } + + /* Does command allow "+command"? */ + if ((argt & EDITCMD) && !usefilter && *arg == '+') + { + /* Check if we're in the +command */ + p = arg + 1; + arg = skip_cmd_arg(arg, FALSE); + + /* Still touching the command after '+'? */ + if (*arg == NUL) + return p; + + /* Skip space(s) after +command to get to the real argument */ + arg = skipwhite(arg); + } + + /* + * Check for '|' to separate commands and '"' to start comments. + * Don't do this for ":read !cmd" and ":write !cmd". + */ + if ((argt & TRLBAR) && !usefilter) + { + p = arg; + /* ":redir @" is not the start of a comment */ + if (cmdidx == CMD_redir && p[0] == '@' && p[1] == '"') + p += 2; + while (*p) + { + if (*p == Ctrl_V) + { + if (p[1] != NUL) + ++p; + } + else if ( (*p == '"' && !(argt & NOTRLCOM)) + || *p == '|' || *p == '\n') + { + if (*(p - 1) != '\\') + { + if (*p == '|' || *p == '\n') + return p + 1; + return NULL; /* It's a comment */ + } + } +#ifdef FEAT_MBYTE + if (has_mbyte) + p += (*mb_ptr2len_check)(p); + else +#endif + ++p; + } + } + + /* no arguments allowed */ + if (!(argt & EXTRA) && *arg != NUL && + vim_strchr((char_u *)"|\"", *arg) == NULL) + return NULL; + + /* Find start of last argument (argument just before cursor): */ + p = buff + STRLEN(buff); + while (p != arg && *p != ' ' && *p != TAB) + p--; + if (*p == ' ' || *p == TAB) + p++; + xp->xp_pattern = p; + + if (argt & XFILE) + { + int in_quote = FALSE; + char_u *bow = NULL; /* Beginning of word */ + + /* + * Allow spaces within back-quotes to count as part of the argument + * being expanded. + */ + xp->xp_pattern = skipwhite(arg); + for (p = xp->xp_pattern; *p; ) + { + if (*p == '\\' && p[1]) + ++p; +#ifdef SPACE_IN_FILENAME + else if (vim_iswhite(*p) && (!(argt & NOSPC) || usefilter)) +#else + else if (vim_iswhite(*p)) +#endif + { + p = skipwhite(p); + if (in_quote) + bow = p; + else + xp->xp_pattern = p; + --p; + } + else if (*p == '`') + { + if (!in_quote) + { + xp->xp_pattern = p; + bow = p + 1; + } + in_quote = !in_quote; + } +#ifdef FEAT_MBYTE + if (has_mbyte) + p += (*mb_ptr2len_check)(p); + else +#endif + ++p; + } + + /* + * If we are still inside the quotes, and we passed a space, just + * expand from there. + */ + if (bow != NULL && in_quote) + xp->xp_pattern = bow; + xp->xp_context = EXPAND_FILES; + + /* Check for environment variable */ + if (*xp->xp_pattern == '$' +#if defined(MSDOS) || defined(MSWIN) || defined(OS2) + || *xp->xp_pattern == '%' +#endif + ) + { + for (p = xp->xp_pattern + 1; *p != NUL; ++p) + if (!vim_isIDc(*p)) + break; + if (*p == NUL) + { + xp->xp_context = EXPAND_ENV_VARS; + ++xp->xp_pattern; + } + } + } + +/* + * 6. switch on command name + */ + switch (cmdidx) + { + case CMD_cd: + case CMD_chdir: + case CMD_lcd: + case CMD_lchdir: + if (xp->xp_context == EXPAND_FILES) + xp->xp_context = EXPAND_DIRECTORIES; + break; + case CMD_help: + xp->xp_context = EXPAND_HELP; + xp->xp_pattern = arg; + break; + + /* Command modifiers: return the argument. */ + case CMD_aboveleft: + case CMD_belowright: + case CMD_botright: + case CMD_browse: + case CMD_confirm: + case CMD_folddoclosed: + case CMD_folddoopen: + case CMD_hide: + case CMD_keepjumps: + case CMD_keepmarks: + case CMD_leftabove: + case CMD_lockmarks: + case CMD_rightbelow: + case CMD_silent: + case CMD_topleft: + case CMD_verbose: + case CMD_vertical: + return arg; + +#ifdef FEAT_SEARCH_EXTRA + case CMD_match: + if (*arg == NUL || !ends_excmd(*arg)) + { + /* Dummy call to clear variables. */ + set_context_in_highlight_cmd(xp, (char_u *)"link n"); + xp->xp_context = EXPAND_HIGHLIGHT; + xp->xp_pattern = arg; + arg = skipwhite(skiptowhite(arg)); + if (*arg != NUL) + { + xp->xp_context = EXPAND_NOTHING; + arg = skip_regexp(arg + 1, *arg, p_magic, NULL); + } + } + return find_nextcmd(arg); +#endif + +#ifdef FEAT_CMDL_COMPL +/* + * All completion for the +cmdline_compl feature goes here. + */ + +# ifdef FEAT_USR_CMDS + case CMD_command: + /* Check for attributes */ + while (*arg == '-') + { + arg++; /* Skip "-" */ + p = skiptowhite(arg); + if (*p == NUL) + { + /* Cursor is still in the attribute */ + p = vim_strchr(arg, '='); + if (p == NULL) + { + /* No "=", so complete attribute names */ + xp->xp_context = EXPAND_USER_CMD_FLAGS; + xp->xp_pattern = arg; + return NULL; + } + + /* For the -complete and -nargs attributes, we complete + * their arguments as well. + */ + if (STRNICMP(arg, "complete", p - arg) == 0) + { + xp->xp_context = EXPAND_USER_COMPLETE; + xp->xp_pattern = p + 1; + return NULL; + } + else if (STRNICMP(arg, "nargs", p - arg) == 0) + { + xp->xp_context = EXPAND_USER_NARGS; + xp->xp_pattern = p + 1; + return NULL; + } + return NULL; + } + arg = skipwhite(p); + } + + /* After the attributes comes the new command name */ + p = skiptowhite(arg); + if (*p == NUL) + { + xp->xp_context = EXPAND_USER_COMMANDS; + xp->xp_pattern = arg; + break; + } + + /* And finally comes a normal command */ + return skipwhite(p); + + case CMD_delcommand: + xp->xp_context = EXPAND_USER_COMMANDS; + xp->xp_pattern = arg; + break; +# endif + + case CMD_global: + case CMD_vglobal: + delim = *arg; /* get the delimiter */ + if (delim) + ++arg; /* skip delimiter if there is one */ + + while (arg[0] != NUL && arg[0] != delim) + { + if (arg[0] == '\\' && arg[1] != NUL) + ++arg; + ++arg; + } + if (arg[0] != NUL) + return arg + 1; + break; + case CMD_and: + case CMD_substitute: + delim = *arg; + if (delim) + { + /* skip "from" part */ + ++arg; + arg = skip_regexp(arg, delim, p_magic, NULL); + } + /* skip "to" part */ + while (arg[0] != NUL && arg[0] != delim) + { + if (arg[0] == '\\' && arg[1] != NUL) + ++arg; + ++arg; + } + if (arg[0] != NUL) /* skip delimiter */ + ++arg; + while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL) + ++arg; + if (arg[0] != NUL) + return arg; + break; + case CMD_isearch: + case CMD_dsearch: + case CMD_ilist: + case CMD_dlist: + case CMD_ijump: + case CMD_psearch: + case CMD_djump: + case CMD_isplit: + case CMD_dsplit: + arg = skipwhite(skipdigits(arg)); /* skip count */ + if (*arg == '/') /* Match regexp, not just whole words */ + { + for (++arg; *arg && *arg != '/'; arg++) + if (*arg == '\\' && arg[1] != NUL) + arg++; + if (*arg) + { + arg = skipwhite(arg + 1); + + /* Check for trailing illegal characters */ + if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL) + xp->xp_context = EXPAND_NOTHING; + else + return arg; + } + } + break; +#ifdef FEAT_AUTOCMD + case CMD_autocmd: + return set_context_in_autocmd(xp, arg, FALSE); + + case CMD_doautocmd: + return set_context_in_autocmd(xp, arg, TRUE); +#endif + case CMD_set: + set_context_in_set_cmd(xp, arg, 0); + break; + case CMD_setglobal: + set_context_in_set_cmd(xp, arg, OPT_GLOBAL); + break; + case CMD_setlocal: + set_context_in_set_cmd(xp, arg, OPT_LOCAL); + break; + case CMD_tag: + case CMD_stag: + case CMD_ptag: + case CMD_tselect: + case CMD_stselect: + case CMD_ptselect: + case CMD_tjump: + case CMD_stjump: + case CMD_ptjump: + xp->xp_context = EXPAND_TAGS; + xp->xp_pattern = arg; + break; + case CMD_augroup: + xp->xp_context = EXPAND_AUGROUP; + xp->xp_pattern = arg; + break; +#ifdef FEAT_SYN_HL + case CMD_syntax: + set_context_in_syntax_cmd(xp, arg); + break; +#endif +#ifdef FEAT_EVAL + case CMD_let: + case CMD_if: + case CMD_elseif: + case CMD_while: + case CMD_echo: + case CMD_echon: + case CMD_execute: + case CMD_echomsg: + case CMD_echoerr: + case CMD_call: + case CMD_return: + set_context_for_expression(xp, arg, cmdidx); + break; + + case CMD_unlet: + while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL) + arg = xp->xp_pattern + 1; + xp->xp_context = EXPAND_USER_VARS; + xp->xp_pattern = arg; + break; + + case CMD_function: + case CMD_delfunction: + xp->xp_context = EXPAND_USER_FUNC; + xp->xp_pattern = arg; + break; + + case CMD_echohl: + xp->xp_context = EXPAND_HIGHLIGHT; + xp->xp_pattern = arg; + break; +#endif + case CMD_highlight: + set_context_in_highlight_cmd(xp, arg); + break; +#ifdef FEAT_LISTCMDS + case CMD_bdelete: + case CMD_bwipeout: + case CMD_bunload: + while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL) + arg = xp->xp_pattern + 1; + /*FALLTHROUGH*/ + case CMD_buffer: + case CMD_sbuffer: + case CMD_checktime: + xp->xp_context = EXPAND_BUFFERS; + xp->xp_pattern = arg; + break; +#endif +#ifdef FEAT_USR_CMDS + case CMD_USER: + case CMD_USER_BUF: + if (compl != EXPAND_NOTHING) + { + /* XFILE: file names are handled above */ + if (!(argt & XFILE)) + { +# ifdef FEAT_MENU + if (compl == EXPAND_MENUS) + return set_context_in_menu_cmd(xp, cmd, arg, forceit); +# endif + if (compl == EXPAND_COMMANDS) + return arg; + if (compl == EXPAND_MAPPINGS) + return set_context_in_map_cmd(xp, (char_u *)"map", + arg, forceit, FALSE, FALSE, CMD_map); + while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL) + arg = xp->xp_pattern + 1; + xp->xp_pattern = arg; + } + xp->xp_context = compl; + } + break; +#endif + case CMD_map: case CMD_noremap: + case CMD_nmap: case CMD_nnoremap: + case CMD_vmap: case CMD_vnoremap: + case CMD_omap: case CMD_onoremap: + case CMD_imap: case CMD_inoremap: + case CMD_cmap: case CMD_cnoremap: + return set_context_in_map_cmd(xp, cmd, arg, forceit, + FALSE, FALSE, cmdidx); + case CMD_unmap: + case CMD_nunmap: + case CMD_vunmap: + case CMD_ounmap: + case CMD_iunmap: + case CMD_cunmap: + return set_context_in_map_cmd(xp, cmd, arg, forceit, + FALSE, TRUE, cmdidx); + case CMD_abbreviate: case CMD_noreabbrev: + case CMD_cabbrev: case CMD_cnoreabbrev: + case CMD_iabbrev: case CMD_inoreabbrev: + return set_context_in_map_cmd(xp, cmd, arg, forceit, + TRUE, FALSE, cmdidx); + case CMD_unabbreviate: + case CMD_cunabbrev: + case CMD_iunabbrev: + return set_context_in_map_cmd(xp, cmd, arg, forceit, + TRUE, TRUE, cmdidx); +#ifdef FEAT_MENU + case CMD_menu: case CMD_noremenu: case CMD_unmenu: + case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu: + case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu: + case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu: + case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu: + case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu: + case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu: + case CMD_tmenu: case CMD_tunmenu: + case CMD_popup: case CMD_tearoff: case CMD_emenu: + return set_context_in_menu_cmd(xp, cmd, arg, forceit); +#endif + + case CMD_colorscheme: + xp->xp_context = EXPAND_COLORS; + xp->xp_pattern = arg; + break; + + case CMD_compiler: + xp->xp_context = EXPAND_COMPILER; + xp->xp_pattern = arg; + break; + +#if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \ + && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)) + case CMD_language: + if (*skiptowhite(arg) == NUL) + { + xp->xp_context = EXPAND_LANGUAGE; + xp->xp_pattern = arg; + } + else + xp->xp_context = EXPAND_NOTHING; + break; +#endif + +#endif /* FEAT_CMDL_COMPL */ + + default: + break; + } + return NULL; +} + +/* + * skip a range specifier of the form: addr [,addr] [;addr] .. + * + * Backslashed delimiters after / or ? will be skipped, and commands will + * not be expanded between /'s and ?'s or after "'". + * + * Returns the "cmd" pointer advanced to beyond the range. + */ + char_u * +skip_range(cmd, ctx) + char_u *cmd; + int *ctx; /* pointer to xp_context or NULL */ +{ + int delim; + + while (*cmd != NUL && (vim_isspace(*cmd) || VIM_ISDIGIT(*cmd) || + vim_strchr((char_u *)".$%'/?-+,;", *cmd) != NULL)) + { + if (*cmd == '\'') + { + if (*++cmd == NUL && ctx != NULL) + *ctx = EXPAND_NOTHING; + } + else if (*cmd == '/' || *cmd == '?') + { + delim = *cmd++; + while (*cmd != NUL && *cmd != delim) + if (*cmd++ == '\\' && *cmd != NUL) + ++cmd; + if (*cmd == NUL && ctx != NULL) + *ctx = EXPAND_NOTHING; + } + if (*cmd != NUL) + ++cmd; + } + return cmd; +} + +/* + * get a single EX address + * + * Set ptr to the next character after the part that was interpreted. + * Set ptr to NULL when an error is encountered. + * + * Return MAXLNUM when no Ex address was found. + */ + static linenr_T +get_address(ptr, skip, to_other_file) + char_u **ptr; + int skip; /* only skip the address, don't use it */ + int to_other_file; /* flag: may jump to other file */ +{ + int c; + int i; + long n; + char_u *cmd; + pos_T pos; + pos_T *fp; + linenr_T lnum; + + cmd = skipwhite(*ptr); + lnum = MAXLNUM; + do + { + switch (*cmd) + { + case '.': /* '.' - Cursor position */ + ++cmd; + lnum = curwin->w_cursor.lnum; + break; + + case '$': /* '$' - last line */ + ++cmd; + lnum = curbuf->b_ml.ml_line_count; + break; + + case '\'': /* ''' - mark */ + if (*++cmd == NUL) + { + cmd = NULL; + goto error; + } + if (skip) + ++cmd; + else + { + /* Only accept a mark in another file when it is + * used by itself: ":'M". */ + fp = getmark(*cmd, to_other_file && cmd[1] == NUL); + ++cmd; + if (fp == (pos_T *)-1) + /* Jumped to another file. */ + lnum = curwin->w_cursor.lnum; + else + { + if (check_mark(fp) == FAIL) + { + cmd = NULL; + goto error; + } + lnum = fp->lnum; + } + } + break; + + case '/': + case '?': /* '/' or '?' - search */ + c = *cmd++; + if (skip) /* skip "/pat/" */ + { + cmd = skip_regexp(cmd, c, (int)p_magic, NULL); + if (*cmd == c) + ++cmd; + } + else + { + pos = curwin->w_cursor; /* save curwin->w_cursor */ + /* + * When '/' or '?' follows another address, start + * from there. + */ + if (lnum != MAXLNUM) + curwin->w_cursor.lnum = lnum; + /* + * Start a forward search at the end of the line. + * Start a backward search at the start of the line. + * This makes sure we never match in the current + * line, and can match anywhere in the + * next/previous line. + */ + if (c == '/') + curwin->w_cursor.col = MAXCOL; + else + curwin->w_cursor.col = 0; + searchcmdlen = 0; + if (!do_search(NULL, c, cmd, 1L, + SEARCH_HIS + SEARCH_MSG + SEARCH_START)) + { + curwin->w_cursor = pos; + cmd = NULL; + goto error; + } + lnum = curwin->w_cursor.lnum; + curwin->w_cursor = pos; + /* adjust command string pointer */ + cmd += searchcmdlen; + } + break; + + case '\\': /* "\?", "\/" or "\&", repeat search */ + ++cmd; + if (*cmd == '&') + i = RE_SUBST; + else if (*cmd == '?' || *cmd == '/') + i = RE_SEARCH; + else + { + EMSG(_(e_backslash)); + cmd = NULL; + goto error; + } + + if (!skip) + { + /* + * When search follows another address, start from + * there. + */ + if (lnum != MAXLNUM) + pos.lnum = lnum; + else + pos.lnum = curwin->w_cursor.lnum; + + /* + * Start the search just like for the above + * do_search(). + */ + if (*cmd != '?') + pos.col = MAXCOL; + else + pos.col = 0; + if (searchit(curwin, curbuf, &pos, + *cmd == '?' ? BACKWARD : FORWARD, + (char_u *)"", 1L, + SEARCH_MSG + SEARCH_START, i) != FAIL) + lnum = pos.lnum; + else + { + cmd = NULL; + goto error; + } + } + ++cmd; + break; + + default: + if (VIM_ISDIGIT(*cmd)) /* absolute line number */ + lnum = getdigits(&cmd); + } + + for (;;) + { + cmd = skipwhite(cmd); + if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd)) + break; + + if (lnum == MAXLNUM) + lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */ + if (VIM_ISDIGIT(*cmd)) + i = '+'; /* "number" is same as "+number" */ + else + i = *cmd++; + if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */ + n = 1; + else + n = getdigits(&cmd); + if (i == '-') + lnum -= n; + else + lnum += n; + } + } while (*cmd == '/' || *cmd == '?'); + +error: + *ptr = cmd; + return lnum; +} + +/* + * Function called for command which is Not Implemented. NI! + */ + void +ex_ni(eap) + exarg_T *eap; +{ + if (!eap->skip) + eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version"); +} + +#if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \ + || !defined(FEAT_RUBY) +/* + * Function called for script command which is Not Implemented. NI! + * Skips over ":perl <<EOF" constructs. + */ + static void +ex_script_ni(eap) + 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_u * +invalid_range(eap) + exarg_T *eap; +{ + if ( eap->line1 < 0 + || eap->line2 < 0 + || eap->line1 > eap->line2 + || ((eap->argt & RANGE) + && !(eap->argt & NOTADR) + && eap->line2 > curbuf->b_ml.ml_line_count +#ifdef FEAT_DIFF + + (eap->cmdidx == CMD_diffget) +#endif + )) + return (char_u *)_(e_invrange); + return NULL; +} + +/* + * Correct the range for zero line number, if required. + */ + static void +correct_range(eap) + exarg_T *eap; +{ + if (!(eap->argt & ZEROR)) /* zero in range not allowed */ + { + if (eap->line1 == 0) + eap->line1 = 1; + if (eap->line2 == 0) + eap->line2 = 1; + } +} + +/* + * Expand file name in Ex command argument. + * Return FAIL for failure, OK otherwise. + */ + int +expand_filename(eap, cmdlinep, errormsgp) + exarg_T *eap; + char_u **cmdlinep; + char_u **errormsgp; +{ + int has_wildcards; /* need to expand wildcards */ + char_u *repl; + int srclen; + char_u *p; + int n; + + /* + * 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(eap->arg); + for (p = eap->arg; *p; ) + { + /* + * 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, &srclen, &(eap->do_ecmd_lnum), errormsgp, eap->arg); + if (*errormsgp != NULL) /* error detected */ + return FAIL; + if (repl == NULL) /* no match found */ + { + p += srclen; + continue; + } + + /* Need to escape white space et al. with a backslash. Don't do this + * for shell commands (may have to use quotes instead). Don't do this + * for non-unix systems when there is a single argument (spaces don't + * separate arguments then). */ + if (!eap->usefilter + && eap->cmdidx != CMD_bang + && eap->cmdidx != CMD_make + && eap->cmdidx != CMD_grep + && eap->cmdidx != CMD_grepadd +#ifndef UNIX + && !(eap->argt & 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) + && vim_strchr(repl, '!') != NULL) + { + char_u *l; + + l = vim_strsave_escaped(repl, (char_u *)"!"); + if (l != NULL) + { + vim_free(repl); + repl = l; + /* For a sh-like shell escape it another time. */ + if (strstr((char *)p_sh, "sh") != NULL) + { + 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 & 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) + { +#ifdef UNIX + /* + * Only for Unix we check for more than one file name. + * For other systems spaces are considered to be part + * of the file name. + * Only check here if there is no wildcard, otherwise + * ExpandOne() will check for errors. This allows + * ":e `ls ve*.c`" on Unix. + */ + if (!has_wildcards) + for (p = eap->arg; *p; ++p) + { + /* skip escaped characters */ + if (p[1] && (*p == '\\' || *p == Ctrl_V)) + ++p; + else if (vim_iswhite(*p)) + { + *errormsgp = (char_u *)_("E172: Only one file name allowed"); + return FAIL; + } + } +#endif + + /* + * 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) || defined(OS2) + if (!has_wildcards) +#endif + backslash_halve(eap->arg); +#ifdef MACOS_CLASSIC + /* + * translate unix-like path components + */ + slash_n_colon_adjust(eap->arg); +#endif + } + + 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); + has_wildcards = mch_has_wildcard(NameBuff); + p = NameBuff; + } + else + p = NULL; + } + else /* n == 2 */ + { + expand_T xpc; + + ExpandInit(&xpc); + xpc.xp_context = EXPAND_FILES; + p = ExpandOne(&xpc, eap->arg, NULL, + WILD_LIST_NOTFOUND|WILD_ADD_SLASH, + WILD_EXPAND_FREE); + ExpandCleanup(&xpc); + 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(eap, src, srclen, repl, cmdlinep) + 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) + i += (int)STRLEN(eap->nextcmd);/* add space for next command */ + if ((new_cmdline = alloc((unsigned)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) /* 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(eap) + exarg_T *eap; +{ + char_u *p; + + for (p = eap->arg; *p; ++p) + { + if (*p == Ctrl_V) + { + if (eap->argt & (USECTRLV | XFILE)) + ++p; /* skip CTRL-V and next char */ + else + STRCPY(p, p + 1); /* remove CTRL-V and skip next char */ + if (*p == NUL) /* stop at NUL after CTRL-V */ + break; + } + /* Check for '"': start of comment or '|': next command */ + /* :@" and :*" do not start a comment! + * :redir @" doesn't either. */ + else if ((*p == '"' && !(eap->argt & NOTRLCOM) + && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star) + || p != eap->arg) + && (eap->cmdidx != CMD_redir + || p != eap->arg + 1 || p[-1] != '@')) + || *p == '|' || *p == '\n') + { + /* + * We remove the '\' before the '|', unless USECTRLV is used + * AND 'b' is present in 'cpoptions'. + */ + if ((vim_strchr(p_cpo, CPO_BAR) == NULL + || !(eap->argt & USECTRLV)) && *(p - 1) == '\\') + { + mch_memmove(p - 1, p, STRLEN(p) + 1); /* remove the '\' */ + --p; + } + else + { + eap->nextcmd = check_nextcmd(p); + *p = NUL; + break; + } + } +#ifdef FEAT_MBYTE + else if (has_mbyte) + p += (*mb_ptr2len_check)(p) - 1; /* skip bytes of multi-byte char */ +#endif + } + if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */ + del_trailing_spaces(eap->arg); +} + +/* + * get + command from ex argument + */ + static char_u * +getargcmd(argp) + char_u **argp; +{ + char_u *arg = *argp; + char_u *command = NULL; + + if (*arg == '+') /* +[command] */ + { + ++arg; + if (vim_isspace(*arg)) + 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 "\\". + */ + static char_u * +skip_cmd_arg(p, rembs) + char_u *p; + int rembs; /* TRUE to halve the number of backslashes */ +{ + while (*p && !vim_isspace(*p)) + { + if (*p == '\\' && p[1] != NUL) + { + if (rembs) + mch_memmove(p, p + 1, STRLEN(p)); + else + ++p; + } +#ifdef FEAT_MBYTE + if (has_mbyte) + p += (*mb_ptr2len_check)(p); + else +#endif + ++p; + } + return p; +} + +/* + * Get "++opt=arg" argument. + * Return FAIL or OK. + */ + static int +getargopt(eap) + exarg_T *eap; +{ + char_u *arg = eap->arg + 2; + int *pp = NULL; +#ifdef FEAT_MBYTE + char_u *p; +#endif + + /* ":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; + } + + 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; + } +#ifdef FEAT_MBYTE + else if (STRNCMP(arg, "enc", 3) == 0) + { + arg += 3; + pp = &eap->force_enc; + } + else if (STRNCMP(arg, "encoding", 8) == 0) + { + arg += 8; + pp = &eap->force_enc; + } +#endif + + if (pp == NULL || *arg != '=') + return FAIL; + + ++arg; + *pp = (int)(arg - eap->cmd); + arg = skip_cmd_arg(arg, FALSE); + eap->arg = skipwhite(arg); + *arg = NUL; + +#ifdef FEAT_MBYTE + if (pp == &eap->force_ff) + { +#endif + if (check_ff_value(eap->cmd + eap->force_ff) == FAIL) + return FAIL; +#ifdef FEAT_MBYTE + } + else + { + /* Make 'fileencoding' lower case. */ + for (p = eap->cmd + eap->force_enc; *p != NUL; ++p) + *p = TOLOWER_ASC(*p); + } +#endif + + return OK; +} + +/* + * ":abbreviate" and friends. + */ + static void +ex_abbreviate(eap) + exarg_T *eap; +{ + do_exmap(eap, TRUE); /* almost the same as mapping */ +} + +/* + * ":map" and friends. + */ + static void +ex_map(eap) + exarg_T *eap; +{ + /* + * If we are sourcing .exrc or .vimrc in current directory we + * print the mappings for security reasons. + */ + if (secure) + { + secure = 2; + msg_outtrans(eap->cmd); + msg_putchar('\n'); + } + do_exmap(eap, FALSE); +} + +/* + * ":unmap" and friends. + */ + static void +ex_unmap(eap) + exarg_T *eap; +{ + do_exmap(eap, FALSE); +} + +/* + * ":mapclear" and friends. + */ + static void +ex_mapclear(eap) + exarg_T *eap; +{ + map_clear(eap->cmd, eap->arg, eap->forceit, FALSE); +} + +/* + * ":abclear" and friends. + */ + static void +ex_abclear(eap) + exarg_T *eap; +{ + map_clear(eap->cmd, eap->arg, TRUE, TRUE); +} + +#ifdef FEAT_AUTOCMD + static void +ex_autocmd(eap) + exarg_T *eap; +{ + /* + * Disallow auto commands 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(eap) + exarg_T *eap; +{ + (void)do_doautocmd(eap->arg, TRUE); + do_modelines(); +} +#endif + +#ifdef FEAT_LISTCMDS +/* + * :[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(eap) + exarg_T *eap; +{ + 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(eap) + exarg_T *eap; +{ + if (*eap->arg) + eap->errmsg = e_trailing; + 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); + } +} + +/* + * :[N]bmodified [N] to next mod. buffer + * :[N]sbmodified [N] to next mod. buffer + */ + static void +ex_bmodified(eap) + exarg_T *eap; +{ + goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2); +} + +/* + * :[N]bnext [N] to next buffer + * :[N]sbnext [N] split and to next buffer + */ + static void +ex_bnext(eap) + exarg_T *eap; +{ + goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2); +} + +/* + * :[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(eap) + exarg_T *eap; +{ + goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2); +} + +/* + * :brewind to first buffer + * :bfirst to first buffer + * :sbrewind split and to first buffer + * :sbfirst split and to first buffer + */ + static void +ex_brewind(eap) + exarg_T *eap; +{ + goto_buffer(eap, DOBUF_FIRST, FORWARD, 0); +} + +/* + * :blast to last buffer + * :sblast split and to last buffer + */ + static void +ex_blast(eap) + exarg_T *eap; +{ + goto_buffer(eap, DOBUF_LAST, BACKWARD, 0); +} +#endif + + int +ends_excmd(c) + int c; +{ + return (c == NUL || c == '|' || c == '"' || c == '\n'); +} + +#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(p) + 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. + * Return NULL if it isn't, (p + 1) if it is. + */ + char_u * +check_nextcmd(p) + char_u *p; +{ + p = skipwhite(p); + if (*p == '|' || *p == '\n') + return (p + 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(message, forceit) + 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.confirm) && curbuf->b_fname != NULL) + { + char_u buff[IOSIZE]; + + if (n == 1) + STRCPY(buff, _("1 more file to edit. Quit anyway?")); + else + sprintf((char *)buff, + _("%d more files to edit. Quit anyway?"), n); + if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES) + return OK; + return FAIL; + } +#endif + if (n == 1) + EMSG(_("E173: 1 more file to edit")); + else + EMSGN(_("E173: %ld more files to edit"), n); + quitmore = 2; /* next try to quit is allowed */ + } + return FAIL; + } + return OK; +} + +#ifdef FEAT_CMDL_COMPL +/* + * Function given to ExpandGeneric() to obtain the list of command names. + */ +/*ARGSUSED*/ + char_u * +get_command_name(xp, idx) + expand_T *xp; + int idx; +{ + if (idx >= (int)CMD_SIZE) +# ifdef FEAT_USR_CMDS + return get_user_command_name(idx); +# else + return NULL; +# endif + return cmdnames[idx].cmd_name; +} +#endif + +#if defined(FEAT_USR_CMDS) || defined(PROTO) +static int uc_add_command __ARGS((char_u *name, size_t name_len, char_u *rep, long argt, long def, int flags, int compl, char_u *compl_arg, int force)); +static void uc_list __ARGS((char_u *name, size_t name_len)); +static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg)); +static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp)); +static size_t uc_check_code __ARGS((char_u *code, size_t len, char_u *buf, ucmd_T *cmd, exarg_T *eap, char_u **split_buf, size_t *split_len)); + + static int +uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force) + char_u *name; + size_t name_len; + char_u *rep; + long argt; + long def; + int flags; + int compl; + char_u *compl_arg; + int force; +{ + ucmd_T *cmd = NULL; + char_u *p; + int i; + int cmp = 1; + char_u *rep_buf = NULL; + garray_T *gap; + + replace_termcodes(rep, &rep_buf, FALSE, FALSE); + if (rep_buf == NULL) + { + /* Can't replace termcodes - try using the string as is */ + rep_buf = vim_strsave(rep); + + /* Give up if out of memory */ + if (rep_buf == NULL) + return FAIL; + } + + /* get address of growarray: global or in curbuf */ + if (flags & UC_BUFFER) + { + gap = &curbuf->b_ucmds; + if (gap->ga_itemsize == 0) + ga_init2(gap, (int)sizeof(ucmd_T), 4); + } + else + gap = &ucmds; + + /* Search for the command in the already defined commands. */ + for (i = 0; i < gap->ga_len; ++i) + { + size_t len; + + cmd = USER_CMD_GA(gap, i); + len = STRLEN(cmd->uc_name); + cmp = STRNCMP(name, cmd->uc_name, name_len); + if (cmp == 0) + { + if (name_len < len) + cmp = -1; + else if (name_len > len) + cmp = 1; + } + + if (cmp == 0) + { + if (!force) + { + EMSG(_("E174: Command already exists: add ! to replace it")); + goto fail; + } + + vim_free(cmd->uc_rep); + cmd->uc_rep = 0; + break; + } + + /* Stop as soon as we pass the name to add */ + if (cmp < 0) + break; + } + + /* Extend the array unless we're replacing an existing command */ + if (cmp != 0) + { + if (ga_grow(gap, 1) != OK) + goto fail; + if ((p = vim_strnsave(name, (int)name_len)) == NULL) + goto fail; + + cmd = USER_CMD_GA(gap, i); + mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T)); + + ++gap->ga_len; + --gap->ga_room; + + cmd->uc_name = p; + } + + cmd->uc_rep = rep_buf; + cmd->uc_argt = argt; + cmd->uc_def = def; + cmd->uc_compl = compl; +#ifdef FEAT_EVAL + cmd->uc_scriptID = current_SID; +# ifdef FEAT_CMDL_COMPL + cmd->uc_compl_arg = compl_arg; +# endif +#endif + + return OK; + +fail: + vim_free(rep_buf); +#if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL) + vim_free(compl_arg); +#endif + return FAIL; +} + +/* + * List of names for completion for ":command" with the EXPAND_ flag. + * Must be alphabetical for completion. + */ +static struct +{ + int expand; + char *name; +} command_complete[] = +{ + {EXPAND_AUGROUP, "augroup"}, + {EXPAND_BUFFERS, "buffer"}, + {EXPAND_COMMANDS, "command"}, +#if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL) + {EXPAND_USER_DEFINED, "custom"}, +#endif + {EXPAND_DIRECTORIES, "dir"}, + {EXPAND_ENV_VARS, "environment"}, + {EXPAND_EVENTS, "event"}, + {EXPAND_EXPRESSION, "expression"}, + {EXPAND_FILES, "file"}, + {EXPAND_FUNCTIONS, "function"}, + {EXPAND_HELP, "help"}, + {EXPAND_HIGHLIGHT, "highlight"}, + {EXPAND_MAPPINGS, "mapping"}, + {EXPAND_MENUS, "menu"}, + {EXPAND_SETTINGS, "option"}, + {EXPAND_TAGS, "tag"}, + {EXPAND_TAGS_LISTFILES, "tag_listfiles"}, + {EXPAND_USER_VARS, "var"}, + {0, NULL} +}; + + static void +uc_list(name, name_len) + char_u *name; + size_t name_len; +{ + int i, j; + int found = FALSE; + ucmd_T *cmd; + int len; + long a; + garray_T *gap; + + gap = &curbuf->b_ucmds; + for (;;) + { + for (i = 0; i < gap->ga_len; ++i) + { + cmd = USER_CMD_GA(gap, i); + a = cmd->uc_argt; + + /* Skip commands which don't match the requested prefix */ + if (STRNCMP(name, cmd->uc_name, name_len) != 0) + continue; + + /* Put out the title first time */ + if (!found) + MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition")); + found = TRUE; + msg_putchar('\n'); + if (got_int) + break; + + /* Special cases */ + msg_putchar(a & BANG ? '!' : ' '); + msg_putchar(a & REGSTR ? '"' : ' '); + msg_putchar(gap != &ucmds ? 'b' : ' '); + msg_putchar(' '); + + msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D)); + len = (int)STRLEN(cmd->uc_name) + 4; + + do { + msg_putchar(' '); + ++len; + } while (len < 16); + + len = 0; + + /* Arguments */ + switch ((int)(a & (EXTRA|NOSPC|NEEDARG))) + { + case 0: IObuff[len++] = '0'; break; + case (EXTRA): IObuff[len++] = '*'; break; + case (EXTRA|NOSPC): IObuff[len++] = '?'; break; + case (EXTRA|NEEDARG): IObuff[len++] = '+'; break; + case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break; + } + + do { + IObuff[len++] = ' '; + } while (len < 5); + + /* Range */ + if (a & (RANGE|COUNT)) + { + if (a & COUNT) + { + /* -count=N */ + sprintf((char *)IObuff + len, "%ldc", cmd->uc_def); + len += (int)STRLEN(IObuff + len); + } + else if (a & DFLALL) + IObuff[len++] = '%'; + else if (cmd->uc_def >= 0) + { + /* -range=N */ + sprintf((char *)IObuff + len, "%ld", cmd->uc_def); + len += (int)STRLEN(IObuff + len); + } + else + IObuff[len++] = '.'; + } + + do { + IObuff[len++] = ' '; + } while (len < 11); + + /* Completion */ + for (j = 0; command_complete[j].expand != 0; ++j) + if (command_complete[j].expand == cmd->uc_compl) + { + STRCPY(IObuff + len, command_complete[j].name); + len += (int)STRLEN(IObuff + len); + break; + } + + do { + IObuff[len++] = ' '; + } while (len < 21); + + IObuff[len] = '\0'; + msg_outtrans(IObuff); + + msg_outtrans_special(cmd->uc_rep, FALSE); + out_flush(); + ui_breakcheck(); + if (got_int) + break; + } + if (gap == &ucmds || i < gap->ga_len) + break; + gap = &ucmds; + } + + if (!found) + MSG(_("No user-defined commands found")); +} + + static char_u * +uc_fun_cmd() +{ + static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4, + 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60, + 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2, + 0xb9, 0x7f, 0}; + int i; + + for (i = 0; fcmd[i]; ++i) + IObuff[i] = fcmd[i] - 0x40; + IObuff[i] = 0; + return IObuff; +} + + static int +uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg) + char_u *attr; + size_t len; + long *argt; + long *def; + int *flags; + int *compl; + char_u **compl_arg; +{ + char_u *p; + + if (len == 0) + { + EMSG(_("E175: No attribute specified")); + return FAIL; + } + + /* First, try the simple attributes (no arguments) */ + if (STRNICMP(attr, "bang", len) == 0) + *argt |= BANG; + else if (STRNICMP(attr, "buffer", len) == 0) + *flags |= UC_BUFFER; + else if (STRNICMP(attr, "register", len) == 0) + *argt |= REGSTR; + else if (STRNICMP(attr, "bar", len) == 0) + *argt |= TRLBAR; + else + { + int i; + char_u *val = NULL; + size_t vallen = 0; + size_t attrlen = len; + + /* Look for the attribute name - which is the part before any '=' */ + for (i = 0; i < (int)len; ++i) + { + if (attr[i] == '=') + { + val = &attr[i + 1]; + vallen = len - i - 1; + attrlen = i; + break; + } + } + + if (STRNICMP(attr, "nargs", attrlen) == 0) + { + if (vallen == 1) + { + if (*val == '0') + /* Do nothing - this is the default */; + else if (*val == '1') + *argt |= (EXTRA | NOSPC | NEEDARG); + else if (*val == '*') + *argt |= EXTRA; + else if (*val == '?') + *argt |= (EXTRA | NOSPC); + else if (*val == '+') + *argt |= (EXTRA | NEEDARG); + else + goto wrong_nargs; + } + else + { +wrong_nargs: + EMSG(_("E176: Invalid number of arguments")); + return FAIL; + } + } + else if (STRNICMP(attr, "range", attrlen) == 0) + { + *argt |= RANGE; + if (vallen == 1 && *val == '%') + *argt |= DFLALL; + else if (val != NULL) + { + p = val; + if (*def >= 0) + { +two_count: + EMSG(_("E177: Count cannot be specified twice")); + return FAIL; + } + + *def = getdigits(&p); + *argt |= (ZEROR | NOTADR); + + if (p != val + vallen || vallen == 0) + { +invalid_count: + EMSG(_("E178: Invalid default value for count")); + return FAIL; + } + } + } + else if (STRNICMP(attr, "count", attrlen) == 0) + { + *argt |= (COUNT | ZEROR | NOTADR); + + if (val != NULL) + { + p = val; + if (*def >= 0) + goto two_count; + + *def = getdigits(&p); + + if (p != val + vallen) + goto invalid_count; + } + + if (*def < 0) + *def = 0; + } + else if (STRNICMP(attr, "complete", attrlen) == 0) + { + char_u *arg = NULL; + size_t arglen = 0; + + if (val == NULL) + { + EMSG(_("E179: argument required for complete")); + return FAIL; + } + /* Look for any argument part - which is the part after any ',' */ + for (i = 0; i < (int)vallen; ++i) + { + if (val[i] == ',') + { + arg = &val[i + 1]; + arglen = vallen - i - 1; + vallen = i; + break; + } + } + + for (i = 0; command_complete[i].expand != 0; ++i) + { + if (STRLEN(command_complete[i].name) == vallen + && STRNCMP(val, command_complete[i].name, vallen) == 0) + { + *compl = command_complete[i].expand; + if (command_complete[i].expand == EXPAND_BUFFERS) + *argt |= BUFNAME; + else if (command_complete[i].expand == EXPAND_DIRECTORIES + || command_complete[i].expand == EXPAND_FILES) + *argt |= XFILE; + break; + } + } + + if (command_complete[i].expand == 0) + { + EMSG2(_("E180: Invalid complete value: %s"), val); + return FAIL; + } +#if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL) + if (*compl != EXPAND_USER_DEFINED && arg != NULL) +#else + if (arg != NULL) +#endif + { + EMSG(_("E468: Completion argument only allowed for custom completion")); + return FAIL; + } +#if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL) + if (*compl == EXPAND_USER_DEFINED && arg == NULL) + { + EMSG(_("E467: Custom completion requires a function argument")); + return FAIL; + } + if (arg != NULL) + *compl_arg = vim_strnsave(arg, (int)arglen); +#endif + } + else + { + char_u ch = attr[len]; + attr[len] = '\0'; + EMSG2(_("E181: Invalid attribute: %s"), attr); + attr[len] = ch; + return FAIL; + } + } + + return OK; +} + + static void +ex_command(eap) + exarg_T *eap; +{ + char_u *name; + char_u *end; + char_u *p; + long argt = 0; + long def = -1; + int flags = 0; + int compl = EXPAND_NOTHING; + char_u *compl_arg = NULL; + int has_attr = (eap->arg[0] == '-'); + + p = eap->arg; + + /* Check for attributes */ + while (*p == '-') + { + ++p; + end = skiptowhite(p); + if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg) + == FAIL) + return; + p = skipwhite(end); + } + + /* Get the name (if any) and skip to the following argument */ + name = p; + if (ASCII_ISALPHA(*p)) + while (ASCII_ISALNUM(*p)) + ++p; + if (!ends_excmd(*p) && !vim_iswhite(*p)) + { + EMSG(_("E182: Invalid command name")); + return; + } + end = p; + + /* If there is nothing after the name, and no attributes were specified, + * we are listing commands + */ + p = skipwhite(end); + if (!has_attr && ends_excmd(*p)) + { + uc_list(name, end - name); + } + else if (!ASCII_ISUPPER(*name)) + { + EMSG(_("E183: User defined commands must start with an uppercase letter")); + return; + } + else + uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg, + eap->forceit); +} + +/* + * ":comclear" + */ +/*ARGSUSED*/ +/* + * Clear all user commands, global and for current buffer. + */ + static void +ex_comclear(eap) + exarg_T *eap; +{ + uc_clear(&ucmds); + uc_clear(&curbuf->b_ucmds); +} + +/* + * Clear all user commands for "gap". + */ + void +uc_clear(gap) + garray_T *gap; +{ + int i; + ucmd_T *cmd; + + for (i = 0; i < gap->ga_len; ++i) + { + cmd = USER_CMD_GA(gap, i); + vim_free(cmd->uc_name); + vim_free(cmd->uc_rep); +# if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL) + vim_free(cmd->uc_compl_arg); +# endif + } + ga_clear(gap); +} + + static void +ex_delcommand(eap) + exarg_T *eap; +{ + int i = 0; + ucmd_T *cmd = NULL; + int cmp = -1; + garray_T *gap; + + gap = &curbuf->b_ucmds; + for (;;) + { + for (i = 0; i < gap->ga_len; ++i) + { + cmd = USER_CMD_GA(gap, i); + cmp = STRCMP(eap->arg, cmd->uc_name); + if (cmp <= 0) + break; + } + if (gap == &ucmds || cmp == 0) + break; + gap = &ucmds; + } + + if (cmp != 0) + { + EMSG2(_("E184: No such user-defined command: %s"), eap->arg); + return; + } + + vim_free(cmd->uc_name); + vim_free(cmd->uc_rep); +# if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL) + vim_free(cmd->uc_compl_arg); +# endif + + --gap->ga_len; + ++gap->ga_room; + + if (i < gap->ga_len) + mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T)); +} + + static char_u * +uc_split_args(arg, lenp) + char_u *arg; + size_t *lenp; +{ + char_u *buf; + char_u *p; + char_u *q; + int len; + + /* Precalculate length */ + p = arg; + len = 2; /* Initial and final quotes */ + + while (*p) + { + if (p[0] == '\\' && vim_iswhite(p[1])) + { + len += 1; + p += 2; + } + else if (*p == '\\' || *p == '"') + { + len += 2; + p += 1; + } + else if (vim_iswhite(*p)) + { + p = skipwhite(p); + if (*p == NUL) + break; + len += 3; /* "," */ + } + else + { + ++len; + ++p; + } + } + + buf = alloc(len + 1); + if (buf == NULL) + { + *lenp = 0; + return buf; + } + + p = arg; + q = buf; + *q++ = '"'; + while (*p) + { + if (p[0] == '\\' && vim_iswhite(p[1])) + { + *q++ = p[1]; + p += 2; + } + else if (*p == '\\' || *p == '"') + { + *q++ = '\\'; + *q++ = *p++; + } + else if (vim_iswhite(*p)) + { + p = skipwhite(p); + if (*p == NUL) + break; + *q++ = '"'; + *q++ = ','; + *q++ = '"'; + } + else + { + *q++ = *p++; + } + } + *q++ = '"'; + *q = 0; + + *lenp = len; + return buf; +} + +/* + * Check for a <> code in a user command. + * "code" points to the '<'. "len" the length of the <> (inclusive). + * "buf" is where the result is to be added. + * "split_buf" points to a buffer used for splitting, caller should free it. + * "split_len" is the length of what "split_buf" contains. + * Returns the length of the replacement, which has been added to "buf". + * Returns -1 if there was no match, and only the "<" has been copied. + */ + static size_t +uc_check_code(code, len, buf, cmd, eap, split_buf, split_len) + char_u *code; + size_t len; + char_u *buf; + ucmd_T *cmd; /* the user command we're expanding */ + exarg_T *eap; /* ex arguments */ + char_u **split_buf; + size_t *split_len; +{ + size_t result = 0; + char_u *p = code + 1; + size_t l = len - 2; + int quote = 0; + enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER, + ct_LT, ct_NONE } type = ct_NONE; + + if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-') + { + quote = (*p == 'q' || *p == 'Q') ? 1 : 2; + p += 2; + l -= 2; + } + + if (l < 1) + type = ct_NONE; + else if (STRNICMP(p, "args", l) == 0) + type = ct_ARGS; + else if (STRNICMP(p, "bang", l) == 0) + type = ct_BANG; + else if (STRNICMP(p, "count", l) == 0) + type = ct_COUNT; + else if (STRNICMP(p, "line1", l) == 0) + type = ct_LINE1; + else if (STRNICMP(p, "line2", l) == 0) + type = ct_LINE2; + else if (STRNICMP(p, "lt", l) == 0) + type = ct_LT; + else if (STRNICMP(p, "register", l) == 0) + type = ct_REGISTER; + + switch (type) + { + case ct_ARGS: + /* Simple case first */ + if (*eap->arg == NUL) + { + if (quote == 1) + { + result = 2; + if (buf != NULL) + STRCPY(buf, "''"); + } + else + result = 0; + break; + } + + /* When specified there is a single argument don't split it. + * Works for ":Cmd %" when % is "a b c". */ + if ((eap->argt & NOSPC) && quote == 2) + quote = 1; + + switch (quote) + { + case 0: /* No quoting, no splitting */ + result = STRLEN(eap->arg); + if (buf != NULL) + STRCPY(buf, eap->arg); + break; + case 1: /* Quote, but don't split */ + result = STRLEN(eap->arg) + 2; + for (p = eap->arg; *p; ++p) + { + if (*p == '\\' || *p == '"') + ++result; + } + + if (buf != NULL) + { + *buf++ = '"'; + for (p = eap->arg; *p; ++p) + { + if (*p == '\\' || *p == '"') + *buf++ = '\\'; + *buf++ = *p; + } + *buf = '"'; + } + + break; + case 2: /* Quote and split */ + /* This is hard, so only do it once, and cache the result */ + if (*split_buf == NULL) + *split_buf = uc_split_args(eap->arg, split_len); + + result = *split_len; + if (buf != NULL && result != 0) + STRCPY(buf, *split_buf); + + break; + } + break; + + case ct_BANG: + result = eap->forceit ? 1 : 0; + if (quote) + result += 2; + if (buf != NULL) + { + if (quote) + *buf++ = '"'; + if (eap->forceit) + *buf++ = '!'; + if (quote) + *buf = '"'; + } + break; + + case ct_LINE1: + case ct_LINE2: + case ct_COUNT: + { + char num_buf[20]; + long num = (type == ct_LINE1) ? eap->line1 : + (type == ct_LINE2) ? eap->line2 : + (eap->addr_count > 0) ? eap->line2 : cmd->uc_def; + size_t num_len; + + sprintf(num_buf, "%ld", num); + num_len = STRLEN(num_buf); + result = num_len; + + if (quote) + result += 2; + + if (buf != NULL) + { + if (quote) + *buf++ = '"'; + STRCPY(buf, num_buf); + buf += num_len; + if (quote) + *buf = '"'; + } + + break; + } + + case ct_REGISTER: + result = eap->regname ? 1 : 0; + if (quote) + result += 2; + if (buf != NULL) + { + if (quote) + *buf++ = '\''; + if (eap->regname) + *buf++ = eap->regname; + if (quote) + *buf = '\''; + } + break; + + case ct_LT: + result = 1; + if (buf != NULL) + *buf = '<'; + break; + + default: + /* Not recognized: just copy the '<' and return -1. */ + result = (size_t)-1; + if (buf != NULL) + *buf = '<'; + break; + } + + return result; +} + + static void +do_ucmd(eap) + exarg_T *eap; +{ + char_u *buf; + char_u *p; + char_u *q; + + char_u *start; + char_u *end; + size_t len, totlen; + + size_t split_len = 0; + char_u *split_buf = NULL; + ucmd_T *cmd; +#ifdef FEAT_EVAL + scid_T save_current_SID = current_SID; +#endif + + if (eap->cmdidx == CMD_USER) + cmd = USER_CMD(eap->useridx); + else + cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx); + + /* + * Replace <> in the command by the arguments. + */ + buf = NULL; + for (;;) + { + p = cmd->uc_rep; + q = buf; + totlen = 0; + while ((start = vim_strchr(p, '<')) != NULL + && (end = vim_strchr(start + 1, '>')) != NULL) + { + /* Include the '>' */ + ++end; + + /* Take everything up to the '<' */ + len = start - p; + if (buf == NULL) + totlen += len; + else + { + mch_memmove(q, p, len); + q += len; + } + + len = uc_check_code(start, end - start, q, cmd, eap, + &split_buf, &split_len); + if (len == (size_t)-1) + { + /* no match, continue after '<' */ + p = start + 1; + len = 1; + } + else + p = end; + if (buf == NULL) + totlen += len; + else + q += len; + } + if (buf != NULL) /* second time here, finished */ + { + STRCPY(q, p); + break; + } + + totlen += STRLEN(p); /* Add on the trailing characters */ + buf = alloc((unsigned)(totlen + 1)); + if (buf == NULL) + { + vim_free(split_buf); + return; + } + } + +#ifdef FEAT_EVAL + current_SID = cmd->uc_scriptID; +#endif + (void)do_cmdline(buf, eap->getline, eap->cookie, + DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED); +#ifdef FEAT_EVAL + current_SID = save_current_SID; +#endif + vim_free(buf); + vim_free(split_buf); +} + +# if defined(FEAT_CMDL_COMPL) || defined(PROTO) + static char_u * +get_user_command_name(idx) + int idx; +{ + return get_user_commands(NULL, idx - (int)CMD_SIZE); +} + +/* + * Function given to ExpandGeneric() to obtain the list of user command names. + */ +/*ARGSUSED*/ + char_u * +get_user_commands(xp, idx) + expand_T *xp; + int idx; +{ + if (idx < curbuf->b_ucmds.ga_len) + return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name; + idx -= curbuf->b_ucmds.ga_len; + if (idx < ucmds.ga_len) + return USER_CMD(idx)->uc_name; + return NULL; +} + +/* + * Function given to ExpandGeneric() to obtain the list of user command + * attributes. + */ +/*ARGSUSED*/ + char_u * +get_user_cmd_flags(xp, idx) + expand_T *xp; + int idx; +{ + static char *user_cmd_flags[] = + {"bang", "bar", "buffer", "complete", "count", + "nargs", "range", "register"}; + + if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0])) + return NULL; + return (char_u *)user_cmd_flags[idx]; +} + +/* + * Function given to ExpandGeneric() to obtain the list of values for -nargs. + */ +/*ARGSUSED*/ + char_u * +get_user_cmd_nargs(xp, idx) + expand_T *xp; + int idx; +{ + static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"}; + + if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0])) + return NULL; + return (char_u *)user_cmd_nargs[idx]; +} + +/* + * Function given to ExpandGeneric() to obtain the list of values for -complete. + */ +/*ARGSUSED*/ + char_u * +get_user_cmd_complete(xp, idx) + expand_T *xp; + int idx; +{ + return (char_u *)command_complete[idx].name; +} +# endif /* FEAT_CMDL_COMPL */ + +#endif /* FEAT_USR_CMDS */ + + static void +ex_colorscheme(eap) + exarg_T *eap; +{ + if (load_colors(eap->arg) == FAIL) + EMSG2(_("E185: Cannot find color scheme %s"), eap->arg); +} + + static void +ex_highlight(eap) + 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() +{ + exiting = FALSE; + settmode(TMODE_RAW); +} + +/* + * ":quit": quit current window, quit Vim if closed the last window. + */ + static void +ex_quit(eap) + exarg_T *eap; +{ +#ifdef FEAT_CMDWIN + if (cmdwin_type != 0) + { + cmdwin_result = Ctrl_C; + return; + } +#endif + +#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 ((!P_HID(curbuf) + && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE)) + || check_more(TRUE, eap->forceit) == FAIL + || (only_one_window() && check_changed_any(eap->forceit))) + { + not_exiting(); + } + else + { +#ifdef FEAT_WINDOWS + if (only_one_window()) /* quit last window */ +#endif + getout(0); +#ifdef FEAT_WINDOWS +# ifdef FEAT_GUI + need_mouse_correct = TRUE; +# endif + /* close window; may free buffer */ + win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit); +#endif + } +} + +/* + * ":cquit". + */ +/*ARGSUSED*/ + static void +ex_cquit(eap) + exarg_T *eap; +{ + getout(1); /* this does not always pass on the exit code to the Manx + compiler. why? */ +} + +/* + * ":qall": try to quit all windows + */ + static void +ex_quit_all(eap) + 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 + exiting = TRUE; + if (eap->forceit || !check_changed_any(FALSE)) + getout(0); + not_exiting(); +} + +#ifdef FEAT_WINDOWS +/* + * ":close": close current window, unless it is the last one + */ + static void +ex_close(eap) + exarg_T *eap; +{ +# ifdef FEAT_CMDWIN + if (cmdwin_type != 0) + cmdwin_result = K_IGNORE; + else +# endif + ex_win_close(eap, curwin); +} + + static void +ex_win_close(eap, win) + exarg_T *eap; + win_T *win; +{ + int need_hide; + buf_T *buf = win->w_buffer; + + need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1); + if (need_hide && !P_HID(buf) && !eap->forceit) + { +#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) + if ((p_confirm || cmdmod.confirm) && p_write) + { + dialog_changed(buf, FALSE); + if (buf_valid(buf) && bufIsChanged(buf)) + return; + need_hide = FALSE; + } + else +#endif + { + EMSG(_(e_nowrtmsg)); + return; + } + } + +#ifdef FEAT_GUI + need_mouse_correct = TRUE; +#endif + /* free buffer when not hiding it or when it's a scratch buffer */ + win_close(win, !need_hide && !P_HID(buf)); +} + +#ifdef FEAT_QUICKFIX +/* + * ":pclose": Close any preview window. + */ + static void +ex_pclose(eap) + exarg_T *eap; +{ + win_T *win; + + for (win = firstwin; win != NULL; win = win->w_next) + if (win->w_p_pvw) + { + ex_win_close(eap, win); + break; + } +} +#endif + +/* + * ":only". + */ + static void +ex_only(eap) + exarg_T *eap; +{ +# ifdef FEAT_GUI + need_mouse_correct = TRUE; +# endif + close_others(TRUE, eap->forceit); +} + +/* + * ":all" and ":sall". + */ + static void +ex_all(eap) + exarg_T *eap; +{ + if (eap->addr_count == 0) + eap->line2 = 9999; + do_arg_all((int)eap->line2, eap->forceit); +} +#endif /* FEAT_WINDOWS */ + + static void +ex_hide(eap) + exarg_T *eap; +{ + if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL) + eap->errmsg = e_invarg; + else + { + /* ":hide" or ":hide | cmd": hide current window */ + eap->nextcmd = check_nextcmd(eap->arg); +#ifdef FEAT_WINDOWS + if (!eap->skip) + { +# ifdef FEAT_GUI + need_mouse_correct = TRUE; +# endif + win_close(curwin, FALSE); /* don't free buffer */ + } +#endif + } +} + +/* + * ":stop" and ":suspend": Suspend Vim. + */ + static void +ex_stop(eap) + exarg_T *eap; +{ + /* + * Disallow suspending for "rvim". + */ + if (!check_restricted() +#ifdef WIN3264 + /* + * Check if external commands are allowed now. + */ + && can_end_termcap_mode(TRUE) +#endif + ) + { + if (!eap->forceit) + autowrite_all(); + 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(3); /* 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 */ + } +} + +/* + * ":exit", ":xit" and ":wq": Write file and exit Vim. + */ + static void +ex_exit(eap) + exarg_T *eap; +{ +#ifdef FEAT_CMDWIN + if (cmdwin_type != 0) + { + cmdwin_result = Ctrl_C; + return; + } +#endif + + /* + * 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))) + { + not_exiting(); + } + else + { +#ifdef FEAT_WINDOWS + if (only_one_window()) /* quit last window, exit Vim */ +#endif + getout(0); +#ifdef FEAT_WINDOWS +# ifdef FEAT_GUI + need_mouse_correct = TRUE; +# endif + /* quit current window, may free buffer */ + win_close(curwin, !P_HID(curwin->w_buffer)); +#endif + } +} + +/* + * ":print", ":list", ":number". + */ + static void +ex_print(eap) + exarg_T *eap; +{ + int save_list = 0; /* init for GCC */ + + if (eap->cmdidx == CMD_list) + { + save_list = curwin->w_p_list; + curwin->w_p_list = 1; + } + + for ( ;!got_int; ui_breakcheck()) + { + print_line(eap->line1, + (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound)); + 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; + + if (eap->cmdidx == CMD_list) + curwin->w_p_list = save_list; +} + +#ifdef FEAT_BYTEOFF + static void +ex_goto(eap) + exarg_T *eap; +{ + goto_byte(eap->line2); +} +#endif + +/* + * ":shell". + */ +/*ARGSUSED*/ + static void +ex_shell(eap) + exarg_T *eap; +{ + do_shell(NULL, 0); +} + +#if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \ + || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \ + || defined(PROTO) + +/* + * 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 list should be allocated using alloc(), as should each item in the + * list. This function takes over responsibility for freeing the list. + * + * XXX The list is made into the arggument list. This is freed using + * FreeWild(), which does a series of vim_free() calls, unless the two defines + * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a + * routine _fnexplodefree() is used. This may cause problems, but as the drop + * file functionality is (currently) not in EMX this is not presently a + * problem. + */ + void +handle_drop(filec, filev, split) + int filec; /* the number of files dropped */ + char_u **filev; /* the list of files dropped */ + int split; /* force splitting the window */ +{ + exarg_T ea; + int save_msg_scroll = msg_scroll; + +# ifdef FEAT_CMDWIN + if (cmdwin_type != 0) + return; +# endif + + /* 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 (!P_HID(curbuf) && !split) + { + ++emsg_off; + split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE); + --emsg_off; + } + if (split) + { +# ifdef FEAT_WINDOWS + if (win_split(0, 0) == FAIL) + return; +# ifdef FEAT_SCROLLBIND + curwin->w_p_scb = FALSE; +# endif + + /* When splitting the window, create a new alist. Otherwise the + * existing one is overwritten. */ + alist_unlink(curwin->w_alist); + alist_new(); +# else + return; /* can't split, always fail */ +# endif + } + + /* + * Set up the new argument list. + */ + alist_set(ALIST(curwin), filec, filev, FALSE); + + /* + * Move to the first file. + */ + /* Fake up a minimal "next" command for do_argfile() */ + vim_memset(&ea, 0, sizeof(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; +} +#endif + +static void alist_clear __ARGS((alist_T *al)); +/* + * Clear an argument list: free all file names and reset it to zero entries. + */ + static void +alist_clear(al) + alist_T *al; +{ + while (--al->al_ga.ga_len >= 0) + vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname); + ga_clear(&al->al_ga); +} + +/* + * Init an argument list. + */ + void +alist_init(al) + alist_T *al; +{ + ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5); +} + +#if defined(FEAT_WINDOWS) || defined(PROTO) + +/* + * Remove a reference from an argument list. + * Ignored when the argument list is the global one. + * If the argument list is no longer used by any window, free it. + */ + void +alist_unlink(al) + alist_T *al; +{ + if (al != &global_alist && --al->al_refcount <= 0) + { + alist_clear(al); + vim_free(al); + } +} + +# if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO) +/* + * Create a new argument list and use it for the current window. + */ + void +alist_new() +{ + curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T)); + if (curwin->w_alist == NULL) + { + curwin->w_alist = &global_alist; + ++global_alist.al_refcount; + } + else + { + curwin->w_alist->al_refcount = 1; + alist_init(curwin->w_alist); + } +} +# endif +#endif + +#if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO) +/* + * Expand the file names in the global argument list. + */ + void +alist_expand() +{ + char_u **old_arg_files; + char_u **new_arg_files; + int new_arg_file_count; + char_u *save_p_su = p_su; + int i; + + /* Don't use 'suffixes' here. This should work like the shell did the + * expansion. Also, the vimrc file isn't read yet, thus the user + * can't set the options. */ + p_su = empty_option; + old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT)); + if (old_arg_files != NULL) + { + for (i = 0; i < GARGCOUNT; ++i) + old_arg_files[i] = GARGLIST[i].ae_fname; + if (expand_wildcards(GARGCOUNT, old_arg_files, + &new_arg_file_count, &new_arg_files, + EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK + && new_arg_file_count > 0) + { + alist_set(&global_alist, new_arg_file_count, new_arg_files, TRUE); + } + vim_free(old_arg_files); + } + p_su = save_p_su; +} +#endif + +/* + * Set the argument list for the current window. + * Takes over the allocated files[] and the allocated fnames in it. + */ + void +alist_set(al, count, files, use_curbuf) + alist_T *al; + int count; + char_u **files; + int use_curbuf; +{ + int i; + + alist_clear(al); + if (ga_grow(&al->al_ga, count) == OK) + { + for (i = 0; i < count; ++i) + alist_add(al, files[i], use_curbuf ? 2 : 1); + vim_free(files); + } + else + FreeWild(count, files); +#ifdef FEAT_WINDOWS + if (al == &global_alist) +#endif + arg_had_last = FALSE; +} + +/* + * Add file "fname" to argument list "al". + * "fname" must have been allocated and "al" must have been checked for room. + */ + void +alist_add(al, fname, set_fnum) + alist_T *al; + char_u *fname; + int set_fnum; /* 1: set buffer number; 2: re-use curbuf */ +{ + if (fname == NULL) /* don't add NULL file names */ + return; +#ifdef BACKSLASH_IN_FILENAME + slash_adjust(fname); +#endif + AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname; + if (set_fnum > 0) + AARGLIST(al)[al->al_ga.ga_len].ae_fnum = + buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0)); + ++al->al_ga.ga_len; + --al->al_ga.ga_room; +} + +#if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) +/* + * Adjust slashes in file names. Called after 'shellslash' was set. + */ + void +alist_slash_adjust() +{ + int i; +# ifdef FEAT_WINDOWS + win_T *wp; +# endif + + for (i = 0; i < GARGCOUNT; ++i) + if (GARGLIST[i].ae_fname != NULL) + slash_adjust(GARGLIST[i].ae_fname); +# ifdef FEAT_WINDOWS + for (wp = firstwin; wp != NULL; wp = wp->w_next) + if (wp->w_alist != &global_alist) + for (i = 0; i < WARGCOUNT(wp); ++i) + if (WARGLIST(wp)[i].ae_fname != NULL) + slash_adjust(WARGLIST(wp)[i].ae_fname); +# endif +} +#endif + +/* + * ":preserve". + */ +/*ARGSUSED*/ + static void +ex_preserve(eap) + exarg_T *eap; +{ + ml_preserve(curbuf, TRUE); +} + +/* + * ":recover". + */ + static void +ex_recover(eap) + exarg_T *eap; +{ + /* Set recoverymode right away to avoid the ATTENTION prompt. */ + recoverymode = TRUE; + if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE) + && (*eap->arg == NUL + || setfname(curbuf, eap->arg, NULL, TRUE) == OK)) + ml_recover(); + recoverymode = FALSE; +} + +/* + * Command modifier used in a wrong way. + */ + static void +ex_wrongmodifier(eap) + exarg_T *eap; +{ + eap->errmsg = e_invcmd; +} + +#ifdef FEAT_WINDOWS +/* + * :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' + */ + void +ex_splitview(eap) + exarg_T *eap; +{ + win_T *old_curwin; +#if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE) + char_u *fname = NULL; +#endif +#ifdef FEAT_BROWSE + int browse_flag = cmdmod.browse; +#endif + +#ifndef FEAT_VERTSPLIT + if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew) + { + ex_ni(eap); + return; + } +#endif + + old_curwin = curwin; +#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. */ + if (bt_quickfix(curbuf)) + { + if (eap->cmdidx == CMD_split) + eap->cmdidx = CMD_new; +# ifdef FEAT_VERTSPLIT + if (eap->cmdidx == CMD_vsplit) + eap->cmdidx = CMD_vnew; +# endif + } +#endif + +#ifdef FEAT_SEARCHPATH + if (eap->cmdidx == CMD_sfind) + { + 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.browse +# ifdef FEAT_VERTSPLIT + && eap->cmdidx != CMD_vnew +#endif + && eap->cmdidx != CMD_new) + { + fname = do_browse(FALSE, (char_u *)_("Edit File in new window"), + eap->arg, NULL, NULL, NULL, curbuf); + if (fname == NULL) + goto theend; + eap->arg = fname; + } + cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */ +#endif + + if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0, + *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL) + { +#ifdef FEAT_SCROLLBIND + /* Reset 'scrollbind' when editing another file, but keep it when + * doing ":split" without arguments. */ + if (*eap->arg != NUL +#ifdef FEAT_BROWSE + || cmdmod.browse +#endif + ) + curwin->w_p_scb = FALSE; + else + do_check_scrollbind(FALSE); +#endif + do_exedit(eap, old_curwin); + } + +#ifdef FEAT_BROWSE + cmdmod.browse = browse_flag; +#endif + +#if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE) +theend: + vim_free(fname); +#endif +} +#endif + +/* + * ":mode": Set screen mode. + * If no argument given, just get the screen size and redraw. + */ + static void +ex_mode(eap) + exarg_T *eap; +{ + if (*eap->arg == NUL) + shell_resized(); + else + mch_screenmode(eap->arg); +} + +#ifdef FEAT_WINDOWS +/* + * ":resize". + * set, increment or decrement current window height + */ + static void +ex_resize(eap) + 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); +#ifdef FEAT_VERTSPLIT + if (cmdmod.split & WSP_VERT) + { + if (*eap->arg == '-' || *eap->arg == '+') + n += W_WIDTH(curwin); + else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */ + n = 9999; + win_setwidth_win((int)n, wp); + } + else +#endif + { + if (*eap->arg == '-' || *eap->arg == '+') + n += curwin->w_height; + else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */ + n = 9999; + win_setheight_win((int)n, wp); + } +} +#endif + +/* + * ":find [+command] <file>" command. + */ + static void +ex_find(eap) + 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 +} + +/* + * ":edit", ":badd". + */ + static void +ex_edit(eap) + exarg_T *eap; +{ + do_exedit(eap, NULL); +} + +/* + * ":edit <file>" command and alikes. + */ +/*ARGSUSED*/ + void +do_exedit(eap, old_curwin) + exarg_T *eap; + win_T *old_curwin; /* curwin before doing a split or NULL */ +{ + int n; +#ifdef FEAT_WINDOWS + int need_hide; +#endif + + /* + * ":vi" command ends Ex mode. + */ + if (exmode_active && (eap->cmdidx == CMD_visual + || eap->cmdidx == CMD_view)) + { + exmode_active = FALSE; + if (*eap->arg == NUL) + return; + } + + if ((eap->cmdidx == CMD_new +#ifdef FEAT_VERTSPLIT + || eap->cmdidx == CMD_vnew +#endif + ) && *eap->arg == NUL) + { + /* ":new" without argument: edit an new empty buffer */ + setpcmark(); + (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE, + ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0)); + } + else if ((eap->cmdidx != CMD_split +#ifdef FEAT_VERTSPLIT + && eap->cmdidx != CMD_vsplit +#endif + ) + || *eap->arg != NUL +#ifdef FEAT_BROWSE + || cmdmod.browse +#endif + ) + { + 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 */ + 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, + (P_HID(curbuf) ? ECMD_HIDE : 0) + + (eap->forceit ? ECMD_FORCEIT : 0) +#ifdef FEAT_LISTCMDS + + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 ) +#endif + ) == FAIL) + { + /* Editing the file failed. If the window was split, close it. */ +#ifdef FEAT_WINDOWS + if (old_curwin != NULL) + { + need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1); + if (!need_hide || P_HID(curbuf)) + { +# ifdef FEAT_GUI + need_mouse_correct = TRUE; +# endif + win_close(curwin, !need_hide && !P_HID(curbuf)); + } + } +#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_cmdline_cmd(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 + } + +#ifdef FEAT_WINDOWS + /* + * 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) + old_curwin->w_alt_fnum = curbuf->b_fnum; +#endif + + ex_no_reprint = TRUE; +} + +#ifndef FEAT_GUI +/* + * ":gui" and ":gvim" when there is no GUI. + */ + static void +ex_nogui(eap) + exarg_T *eap; +{ + eap->errmsg = e_nogvim; +} +#endif + +#if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF) + static void +ex_tearoff(eap) + exarg_T *eap; +{ + gui_make_tearoff(eap->arg); +} +#endif + +#if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU) + static void +ex_popup(eap) + exarg_T *eap; +{ + gui_make_popup(eap->arg); +} +#endif + +/*ARGSUSED*/ + static void +ex_swapname(eap) + exarg_T *eap; +{ + if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL) + MSG(_("No swap file")); + else + msg(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>) + */ +/*ARGSUSED*/ + static void +ex_syncbind(eap) + exarg_T *eap; +{ +#ifdef FEAT_SCROLLBIND + win_T *wp; + 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 (wp = firstwin; wp; wp = wp->w_next) + { + if (wp->w_p_scb && wp->w_buffer) + { + y = wp->w_buffer->b_ml.ml_line_count - p_so; + if (topline > y) + topline = y; + } + } + if (topline < 1) + topline = 1; + } + else + { + topline = 1; + } + + + /* + * set all scrollbind windows to the same topline + */ + wp = curwin; + for (curwin = firstwin; curwin; curwin = curwin->w_next) + { + if (curwin->w_p_scb) + { + 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(); +#ifdef FEAT_WINDOWS + curwin->w_redr_status = TRUE; +#endif + } + } + curwin = wp; + 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); + } + } +#endif +} + + + static void +ex_read(eap) + exarg_T *eap; +{ + int i; + + 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.browse) + { + char_u *browseFile; + + browseFile = do_browse(FALSE, (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 == FAIL) + { +#if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) + if (!aborting()) +#endif + EMSG2(_(e_notopen), eap->arg); + } + else + redraw_curbuf_later(VALID); + } +} + +/* + * ":cd", ":lcd", ":chdir" and ":lchdir". + */ + static void +ex_cd(eap) + exarg_T *eap; +{ + static char_u *prev_dir = NULL; + char_u *new_dir; + char_u *tofree; + + 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 + { + /* ":cd -": Change to previous directory */ + if (STRCMP(new_dir, "-") == 0) + { + if (prev_dir == NULL) + { + EMSG(_("E186: No previous directory")); + return; + } + new_dir = prev_dir; + } + + /* Save current directory for next ":cd -" */ + tofree = prev_dir; + if (mch_dirname(NameBuff, MAXPATHL) == OK) + prev_dir = vim_strsave(NameBuff); + else + prev_dir = NULL; + +#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$LOGIN"); + if (p == NULL || *p == NUL) /* empty is the same as not set */ + NameBuff[0] = NUL; + else + STRNCPY(NameBuff, p, MAXPATHL); +# else + expand_env((char_u *)"$HOME", NameBuff, MAXPATHL); +# endif + new_dir = NameBuff; + } +#endif + if (new_dir == NULL || vim_chdir(new_dir)) + EMSG(_(e_failed)); + else + { + vim_free(curwin->w_localdir); + if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir) + { + /* If still in global directory, need to remember current + * directory as global directory. */ + if (globaldir == NULL && prev_dir != NULL) + globaldir = vim_strsave(prev_dir); + /* Remember this local directory for the window. */ + if (mch_dirname(NameBuff, MAXPATHL) == OK) + curwin->w_localdir = vim_strsave(NameBuff); + } + else + { + /* We are now in the global directory, no need to remember its + * name. */ + vim_free(globaldir); + globaldir = NULL; + curwin->w_localdir = NULL; + } + + shorten_fnames(TRUE); + + /* Echo the new current directory if the command was typed. */ + if (KeyTyped) + ex_pwd(eap); + } + vim_free(tofree); + } +} + +/* + * ":pwd". + */ +/*ARGSUSED*/ + static void +ex_pwd(eap) + exarg_T *eap; +{ + if (mch_dirname(NameBuff, MAXPATHL) == OK) + { +#ifdef BACKSLASH_IN_FILENAME + slash_adjust(NameBuff); +#endif + msg(NameBuff); + } + else + EMSG(_("E187: Unknown")); +} + +/* + * ":=". + */ + static void +ex_equal(eap) + exarg_T *eap; +{ + smsg((char_u *)"%ld", (long)eap->line2); +} + + static void +ex_sleep(eap) + exarg_T *eap; +{ + int n; + + if (cursor_valid()) + { + n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled; + if (n >= 0) + windgoto((int)n, curwin->w_wcol); + } + do_sleep(eap->line2 * (*eap->arg == 'm' ? 1L : 1000L)); +} + +/* + * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second. + */ + void +do_sleep(msec) + long msec; +{ + long done; + + cursor_on(); + out_flush(); + for (done = 0; !got_int && done < msec; done += 1000L) + { + ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE); + ui_breakcheck(); + } +} + + static void +do_exmap(eap, isabbrev) + exarg_T *eap; + int isabbrev; +{ + int mode; + char_u *cmdp; + + cmdp = eap->cmd; + mode = get_map_mode(&cmdp, eap->forceit || isabbrev); + + switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'), + eap->arg, mode, isabbrev)) + { + case 1: EMSG(_(e_invarg)); + break; + case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap)); + break; + } +} + +/* + * ":winsize" command (obsolete). + */ + static void +ex_winsize(eap) + 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")); +} + +#ifdef FEAT_WINDOWS + static void +ex_wincmd(eap) + 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 != '"' && eap->nextcmd == NULL) + EMSG(_(e_invarg)); + else + { + /* Pass flags on for ":vertical wincmd ]". */ + postponed_split_flags = cmdmod.split; + do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar); + postponed_split_flags = 0; + } +} +#endif + +#if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) +/* + * ":winpos". + */ + static void +ex_winpos(eap) + exarg_T *eap; +{ + int x, y; + char_u *arg = eap->arg; + char_u *p; + + if (*arg == NUL) + { +# ifdef FEAT_GUI + if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL) + { + sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y); + msg(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; + } +# ifdef HAVE_TGETENT + else +# endif +# 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(eap) + 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; +#ifdef FEAT_VIRTUALEDIT + virtual_op = FALSE; +#endif + if (eap->cmdidx != CMD_yank) /* position cursor for undo */ + { + setpcmark(); + curwin->w_cursor.lnum = eap->line1; + beginline(BL_SOL | BL_FIX); + } + + 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 ((eap->cmdidx == CMD_rshift) +#ifdef FEAT_RIGHTLEFT + ^ curwin->w_p_rl +#endif + ) + oa.op_type = OP_RSHIFT; + else + oa.op_type = OP_LSHIFT; + op_shift(&oa, FALSE, eap->amount); + break; + } +#ifdef FEAT_VIRTUALEDIT + virtual_op = MAYBE; +#endif +} + +/* + * ":put". + */ + static void +ex_put(eap) + 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, eap->forceit ? BACKWARD : FORWARD, 1L, PUT_LINE); +} + +/* + * Handle ":copy" and ":move". + */ + static void +ex_copymove(eap) + exarg_T *eap; +{ + long n; + + n = get_address(&eap->arg, FALSE, FALSE); + if (eap->arg == NULL) /* error detected */ + { + eap->nextcmd = NULL; + return; + } + + /* + * 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_invaddr)); + 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); +} + +/* + * ":smagic" and ":snomagic". + */ + static void +ex_submagic(eap) + exarg_T *eap; +{ + int magic_save = p_magic; + + p_magic = (eap->cmdidx == CMD_smagic); + do_sub(eap); + p_magic = magic_save; +} + +/* + * ":join". + */ + static void +ex_join(eap) + 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; + } + do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit); + beginline(BL_WHITE | BL_FIX); +} + +/* + * ":[addr]@r" or ":[addr]*r": execute register + */ + static void +ex_at(eap) + exarg_T *eap; +{ + int c; + + curwin->w_cursor.lnum = eap->line2; + +#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 mapbuf */ + if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL) == FAIL) + beep_flush(); + else + { + int save_efr = exec_from_reg; + + exec_from_reg = TRUE; + + /* + * Execute from the typeahead buffer. + * Originally this didn't check for the typeahead buffer to be empty, + * thus could read more Ex commands from stdin. It's not clear why, + * it is certainly unexpected. + */ + while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':') + (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE); + + exec_from_reg = save_efr; + } +} + +/* + * ":!". + */ + static void +ex_bang(eap) + exarg_T *eap; +{ + do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE); +} + +/* + * ":undo". + */ +/*ARGSUSED*/ + static void +ex_undo(eap) + exarg_T *eap; +{ + u_undo(1); +} + +/* + * ":redo". + */ +/*ARGSUSED*/ + static void +ex_redo(eap) + exarg_T *eap; +{ + u_redo(1); +} + +/* + * ":redir": start/stop redirection. + */ + static void +ex_redir(eap) + exarg_T *eap; +{ + char *mode; + char_u *fname; + + if (STRICMP(eap->arg, "END") == 0) + close_redir(); + else + { + if (*eap->arg == '>') + { + ++eap->arg; + if (*eap->arg == '>') + { + ++eap->arg; + mode = "a"; + } + else + mode = "w"; + eap->arg = skipwhite(eap->arg); + + close_redir(); + + /* Expand environment variables and "~/". */ + fname = expand_env_save(eap->arg); + if (fname == NULL) + return; +#ifdef FEAT_BROWSE + if (cmdmod.browse) + { + char_u *browseFile; + + browseFile = do_browse(TRUE, (char_u *)_("Save Redirection"), + fname, NULL, NULL, 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 (*eap->arg == '@') + { + /* redirect to a register a-z (resp. A-Z for appending) */ + close_redir(); + ++eap->arg; + if (ASCII_ISALPHA(*eap->arg) +# ifdef FEAT_CLIPBOARD + || *eap->arg == '*' +# endif + || *eap->arg == '"') + { + redir_reg = *eap->arg; + if (islower(redir_reg) +# ifdef FEAT_CLIPBOARD + || redir_reg == '*' +# endif + || redir_reg == '"') + { + /* make register empty */ + write_reg_contents(redir_reg, (char_u *)"", -1, FALSE); + } + } + else + EMSG(_(e_invarg)); + } +#endif + + /* TODO: redirect to a buffer */ + + /* TODO: redirect to an internal variable */ + + else + EMSG(_(e_invarg)); + } +} + +/* + * ":redraw": force redraw + */ + static void +ex_redraw(eap) + exarg_T *eap; +{ + int r = RedrawingDisabled; + int p = p_lz; + + RedrawingDisabled = 0; + p_lz = FALSE; + update_topline(); + update_screen(eap->forceit ? CLEAR : +#ifdef FEAT_VISUAL + VIsual_active ? INVERTED : +#endif + 0); +#ifdef FEAT_TITLE + if (need_maketitle) + maketitle(); +#endif + RedrawingDisabled = r; + p_lz = p; + + /* Reset msg_didout, so that a message that's there is overwritten. */ + msg_didout = FALSE; + msg_col = 0; + + out_flush(); +} + +/* + * ":redrawstatus": force redraw of status line(s) + */ +/*ARGSUSED*/ + static void +ex_redrawstatus(eap) + exarg_T *eap; +{ +#if defined(FEAT_WINDOWS) + int r = RedrawingDisabled; + int p = p_lz; + + RedrawingDisabled = 0; + p_lz = FALSE; + if (eap->forceit) + status_redraw_all(); + else + status_redraw_curbuf(); + update_screen( +# ifdef FEAT_VISUAL + VIsual_active ? INVERTED : +# endif + 0); + RedrawingDisabled = r; + p_lz = p; + out_flush(); +#endif +} + + static void +close_redir() +{ + if (redir_fd != NULL) + { + fclose(redir_fd); + redir_fd = NULL; + } +#ifdef FEAT_EVAL + redir_reg = 0; +#endif +} + +#if defined(FEAT_SESSION) && defined(USE_CRNL) +# define MKSESSION_NL +static int mksession_nl = FALSE; /* use NL only in put_eol() */ +#endif + +/* + * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession". + */ + static void +ex_mkrc(eap) + exarg_T *eap; +{ + FILE *fd; + int failed = FALSE; + char_u *fname; +#ifdef FEAT_BROWSE + char_u *browseFile = NULL; +#endif +#ifdef FEAT_SESSION + int view_session = FALSE; + int using_vdir = FALSE; /* using 'viewdir'? */ + char_u *viewFile = NULL; + unsigned *flagp; +#endif + + if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview) + { +#ifdef FEAT_SESSION + view_session = TRUE; +#else + ex_ni(eap); + return; +#endif + } + +#ifdef FEAT_SESSION + /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */ + if (eap->cmdidx == CMD_mkview + && (*eap->arg == NUL + || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL))) + { + eap->forceit = TRUE; + fname = get_view_file(*eap->arg); + if (fname == NULL) + return; + viewFile = fname; + using_vdir = TRUE; + } + else +#endif + if (*eap->arg != NUL) + fname = eap->arg; + else if (eap->cmdidx == CMD_mkvimrc) + fname = (char_u *)VIMRC_FILE; +#ifdef FEAT_SESSION + else if (eap->cmdidx == CMD_mksession) + fname = (char_u *)SESSION_FILE; +#endif + else + fname = (char_u *)EXRC_FILE; + +#ifdef FEAT_BROWSE + if (cmdmod.browse) + { + browseFile = do_browse(TRUE, +# ifdef FEAT_SESSION + eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") : + eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") : +# endif + (char_u *)_("Save Setup"), + fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL); + if (browseFile == NULL) + goto theend; + fname = browseFile; + eap->forceit = TRUE; /* since dialog already asked */ + } +#endif + +#if defined(FEAT_SESSION) && defined(vim_mkdir) + /* When using 'viewdir' may have to create the directory. */ + if (using_vdir && !mch_isdir(p_vdir)) + vim_mkdir(p_vdir, 0755); /* ignore errors, open_exfile() will fail */ +#endif + + fd = open_exfile(fname, eap->forceit, WRITEBIN); + if (fd != NULL) + { +#ifdef FEAT_SESSION + if (eap->cmdidx == CMD_mkview) + flagp = &vop_flags; + else + flagp = &ssop_flags; +#endif + +#ifdef MKSESSION_NL + /* "unix" in 'sessionoptions': use NL line separator */ + if (view_session && (*flagp & SSOP_UNIX)) + mksession_nl = TRUE; +#endif + + /* Write the version command for :mkvimrc */ + if (eap->cmdidx == CMD_mkvimrc) + (void)put_line(fd, "version 6.0"); + +#ifdef FEAT_SESSION + if (eap->cmdidx != CMD_mkview) +#endif + { + /* Write setting 'compatible' first, because it has side effects. + * For that same reason only do it when needed. */ + if (p_cp) + (void)put_line(fd, "if !&cp | set cp | endif"); + else + (void)put_line(fd, "if &cp | set nocp | endif"); + } + +#ifdef FEAT_SESSION + if (!view_session + || (eap->cmdidx == CMD_mksession + && (*flagp & SSOP_OPTIONS))) +#endif + failed |= (makemap(fd, NULL) == FAIL + || makeset(fd, OPT_GLOBAL, FALSE) == FAIL); + +#ifdef FEAT_SESSION + if (!failed && view_session) + { + if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL) + failed = TRUE; + if (eap->cmdidx == CMD_mksession) + { + char_u dirnow[MAXPATHL]; /* current directory */ + + /* + * Change to session file's dir. + */ + if (mch_dirname(dirnow, MAXPATHL) == FAIL + || mch_chdir((char *)dirnow) != 0) + *dirnow = NUL; + if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR)) + { + if (vim_chdirfile(fname) == OK) + shorten_fnames(TRUE); + } + else if (*dirnow != NUL + && (ssop_flags & SSOP_CURDIR) && globaldir != NULL) + { + (void)mch_chdir((char *)globaldir); + shorten_fnames(TRUE); + } + + failed |= (makeopens(fd, dirnow) == FAIL); + + /* restore original dir */ + if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR) + || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL))) + { + if (mch_chdir((char *)dirnow) != 0) + EMSG(_(e_prev_dir)); + shorten_fnames(TRUE); + } + } + else + { + failed |= (put_view(fd, curwin, !using_vdir, flagp) == FAIL); + } + if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save") + == FAIL) + failed = TRUE; + } +#endif + failed |= fclose(fd); + + if (failed) + EMSG(_(e_write)); +#if defined(FEAT_EVAL) && defined(FEAT_SESSION) + else if (eap->cmdidx == CMD_mksession) + { + /* successful session write - set this_session var */ + char_u tbuf[MAXPATHL]; + + if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK) + set_vim_var_string(VV_THIS_SESSION, tbuf, -1); + } +#endif +#ifdef MKSESSION_NL + mksession_nl = FALSE; +#endif + } + +#ifdef FEAT_BROWSE +theend: + vim_free(browseFile); +#endif +#ifdef FEAT_SESSION + vim_free(viewFile); +#endif +} + +/* + * Open a file for writing for an Ex command, with some checks. + * Return file descriptor, or NULL on failure. + */ + FILE * +open_exfile(fname, forceit, mode) + 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)) + { + EMSG2(_(e_isadir2), fname); + return NULL; + } +#endif + if (!forceit && *mode != 'a' && vim_fexists(fname)) + { + EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname); + return NULL; + } + + if ((fd = mch_fopen((char *)fname, mode)) == NULL) + EMSG2(_("E190: Cannot open \"%s\" for writing"), fname); + + return fd; +} + +/* + * ":mark" and ":k". + */ + static void +ex_mark(eap) + 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? */ + EMSG(_(e_trailing)); + 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() +{ + check_cursor(); /* put cursor on valid line */ + update_topline(); + if (!curwin->w_p_wrap) + validate_cursor(); + update_curswant(); +} + +#ifdef FEAT_EX_EXTRA +/* + * ":normal[!] {commands}": Execute normal mode commands. + */ + static void +ex_normal(eap) + exarg_T *eap; +{ + oparg_T oa; + int save_msg_scroll = msg_scroll; + int save_restart_edit = restart_edit; + int save_msg_didout = msg_didout; + int save_State = State; + tasave_T tabuf; + int save_insertmode = p_im; + int save_finish_op = finish_op; +#ifdef FEAT_MBYTE + char_u *arg = NULL; + int l; + char_u *p; +#endif + + if (ex_normal_busy >= p_mmd) + { + EMSG(_("E192: Recursive use of :normal too deep")); + return; + } + ++ex_normal_busy; + + 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' */ + +#ifdef FEAT_MBYTE + /* + * 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_check)(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((unsigned)(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_check)(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; + } + } + } + } +#endif + + /* + * 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(&tabuf); + if (tabuf.typebuf_valid) + { + /* + * Repeat the :normal command for each line in the range. When no + * range given, execute it just once, without positioning the cursor + * first. + */ + do + { + clear_oparg(&oa); + finish_op = FALSE; + if (eap->addr_count != 0) + { + curwin->w_cursor.lnum = eap->line1++; + curwin->w_cursor.col = 0; + } + + /* + * Stuff the argument into the typeahead buffer. + * Execute normal_cmd() until there is no typeahead left. + */ + ins_typebuf( +#ifdef FEAT_MBYTE + arg != NULL ? arg : +#endif + eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, 0, + TRUE, FALSE); + while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0)) + && !got_int) + { + update_topline_cursor(); + normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */ + } + } + 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 the previous typeahead. */ + restore_typeahead(&tabuf); + + --ex_normal_busy; + msg_scroll = save_msg_scroll; + restart_edit = save_restart_edit; + p_im = save_insertmode; + finish_op = save_finish_op; + msg_didout |= save_msg_didout; /* don't reset msg_didout now */ + + /* Restore the state (needed when called from a function executed for + * 'indentexpr'). */ + State = save_State; +#ifdef FEAT_MBYTE + vim_free(arg); +#endif +} + +/* + * ":startinsert" + */ + static void +ex_startinsert(eap) + exarg_T *eap; +{ + if (eap->forceit) + { + coladvance((colnr_T)MAXCOL); + curwin->w_curswant = MAXCOL; + curwin->w_set_curswant = FALSE; + restart_edit = 'a'; + } + else + { + restart_edit = 'i'; + curwin->w_curswant = 0; /* avoid MAXCOL */ + } +} + +/* + * ":stopinsert" + */ +/*ARGSUSED*/ + static void +ex_stopinsert(eap) + exarg_T *eap; +{ + restart_edit = 0; + stop_insert_mode = TRUE; +} +#endif + +#ifdef FEAT_FIND_ID + static void +ex_checkpath(eap) + 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_WINDOWS) && defined(FEAT_QUICKFIX) +/* + * ":psearch" + */ + static void +ex_psearch(eap) + exarg_T *eap; +{ + g_do_tagpreview = p_pvh; + ex_findpat(eap); + g_do_tagpreview = 0; +} +#endif + + static void +ex_findpat(eap) + 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, '/', p_magic, NULL); + if (*p) + { + *p++ = NUL; + p = skipwhite(p); + + /* Check for trailing illegal characters */ + if (!ends_excmd(*p)) + eap->errmsg = e_trailing; + 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_WINDOWS + +# ifdef FEAT_QUICKFIX +/* + * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc. + */ + static void +ex_ptag(eap) + exarg_T *eap; +{ + g_do_tagpreview = p_pvh; + ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1); +} + +/* + * ":pedit" + */ + static void +ex_pedit(eap) + exarg_T *eap; +{ + win_T *curwin_save = curwin; + + g_do_tagpreview = p_pvh; + prepare_tagpreview(); + keep_help_flag = curwin_save->w_buffer->b_help; + do_exedit(eap, NULL); + keep_help_flag = FALSE; + if (curwin != curwin_save && win_valid(curwin_save)) + { + /* Return cursor to where we were */ + validate_cursor(); + redraw_later(VALID); + win_enter(curwin_save, TRUE); + } + g_do_tagpreview = 0; +} +# endif + +/* + * ":stag", ":stselect" and ":stjump". + */ + static void +ex_stag(eap) + exarg_T *eap; +{ + postponed_split = -1; + postponed_split_flags = cmdmod.split; + ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1); + postponed_split_flags = 0; +} +#endif + +/* + * ":tag", ":tselect", ":tjump", ":tnext", etc. + */ + static void +ex_tag(eap) + exarg_T *eap; +{ + ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name); +} + + static void +ex_tag_cmd(eap, name) + 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) + { + do_cstag(eap); + return; + } +#endif + cmd = DT_TAG; + break; + } + + do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1, + eap->forceit, TRUE); +} + +/* + * Evaluate cmdline variables. + * + * change '%' to curbuf->b_ffname + * '#' to curwin->w_altfile + * '<cword>' to word under the cursor + * '<cWORD>' to WORD under the cursor + * '<cfile>' to path name under the cursor + * '<sfile>' to sourced file name + * '<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(src, usedlen, lnump, errormsg, srcstart) + char_u *src; /* pointer into commandline */ + int *usedlen; /* characters after src that are used */ + linenr_T *lnump; /* line number for :e command, or NULL */ + char_u **errormsg; /* pointer to error message */ + char_u *srcstart; /* beginning of valid memory for src */ +{ + 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; +#ifdef FEAT_MODIFY_FNAME + int skip_mod = FALSE; +#endif + static char *(spec_str[]) = + { + "%", +#define SPEC_PERC 0 + "#", +#define SPEC_HASH 1 + "<cword>", /* cursor word */ +#define SPEC_CWORD 2 + "<cWORD>", /* cursor WORD */ +#define SPEC_CCWORD 3 + "<cfile>", /* cursor path name */ +#define SPEC_CFILE 4 + "<sfile>", /* ":so" file name */ +#define SPEC_SFILE 5 +#ifdef FEAT_AUTOCMD + "<afile>", /* autocommand file name */ +# define SPEC_AFILE 6 + "<abuf>", /* autocommand buffer number */ +# define SPEC_ABUF 7 + "<amatch>", /* autocommand match name */ +# define SPEC_AMATCH 8 +#endif +#ifdef FEAT_CLIENTSERVER + "<client>" +# define SPEC_CLIENT 9 +#endif + }; +#define SPEC_COUNT (sizeof(spec_str) / sizeof(char *)) + +#if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER) + char_u strbuf[30]; +#endif + + *errormsg = NULL; + + /* + * Check if there is something to do. + */ + for (spec_idx = 0; spec_idx < SPEC_COUNT; ++spec_idx) + { + *usedlen = (int)STRLEN(spec_str[spec_idx]); + if (STRNCMP(src, spec_str[spec_idx], *usedlen) == 0) + break; + } + if (spec_idx == SPEC_COUNT) /* 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; + STRCPY(src - 1, src); /* remove backslash */ + return NULL; + } + + /* + * word or WORD under cursor + */ + if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD) + { + resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ? + (FIND_IDENT|FIND_STRING) : FIND_STRING); + if (resultlen == 0) + { + *errormsg = (char_u *)""; + return NULL; + } + } + + /* + * '#': Alternate file name + * '%': Current file name + * File name under the cursor + * File name for autocommand + * and following modifiers + */ + else + { + switch (spec_idx) + { + case SPEC_PERC: /* '%': current file */ + if (curbuf->b_fname == NULL) + { + result = (char_u *)""; + valid = 0; /* Must have ":p:h" to be valid */ + } + else +#ifdef RISCOS + /* Always use the full path for RISC OS if possible. */ + result = curbuf->b_ffname; + if (result == NULL) + result = curbuf->b_fname; +#else + result = curbuf->b_fname; +#endif + break; + + case SPEC_HASH: /* '#' or "#99": alternate file */ + if (src[1] == '#') /* "##": the argument list */ + { + result = arg_all(); + resultbuf = result; + *usedlen = 2; +#ifdef FEAT_MODIFY_FNAME + skip_mod = TRUE; +#endif + break; + } + s = src + 1; + i = (int)getdigits(&s); + *usedlen = (int)(s - src); /* length of what we expand */ + + buf = buflist_findnr(i); + if (buf == NULL) + { + *errormsg = (char_u *)_("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; + break; + +#ifdef FEAT_SEARCHPATH + case SPEC_CFILE: /* file name under cursor */ + result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L); + if (result == NULL) + { + *errormsg = (char_u *)""; + return NULL; + } + resultbuf = result; /* remember allocated string */ + break; +#endif + +#ifdef FEAT_AUTOCMD + case SPEC_AFILE: /* file name for autocommand */ + result = autocmd_fname; + if (result == NULL) + { + *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\""); + return NULL; + } + break; + + case SPEC_ABUF: /* buffer number for autocommand */ + if (autocmd_bufnr <= 0) + { + *errormsg = (char_u *)_("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 = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\""); + return NULL; + } + break; + +#endif + case SPEC_SFILE: /* file name for ":so" command */ + result = sourcing_name; + if (result == NULL) + { + *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\""); + return NULL; + } + break; +#if defined(FEAT_CLIENTSERVER) + case SPEC_CLIENT: /* Source of last submitted input */ + sprintf((char *)strbuf, "0x%x", (unsigned int)clientWindow); + result = strbuf; + break; +#endif + } + + resultlen = (int)STRLEN(result); /* length of new string */ + if (src[*usedlen] == '<') /* remove the file name extension */ + { + ++*usedlen; +#ifdef RISCOS + if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result)) +#else + if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result)) +#endif + resultlen = (int)(s - result); + } +#ifdef FEAT_MODIFY_FNAME + else if (!skip_mod) + { + valid |= modify_fname(src, usedlen, &result, &resultbuf, + &resultlen); + if (result == NULL) + { + *errormsg = (char_u *)""; + return NULL; + } + } +#endif + } + + if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH) + { + if (valid != VALID_HEAD + VALID_PATH) + /* xgettext:no-c-format */ + *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\""); + else + *errormsg = (char_u *)_("E500: Evaluates to an empty string"); + result = NULL; + } + else + result = vim_strnsave(result, resultlen); + vim_free(resultbuf); + return result; +} + +/* + * Concatenate all files in the argument list, separated by spaces, and return + * it in one allocated string. + * Spaces and backslashes in the file names are escaped with a backslash. + * Returns NULL when out of memory. + */ + static char_u * +arg_all() +{ + int len; + int idx; + char_u *retval = NULL; + char_u *p; + + /* + * Do this loop two times: + * first time: compute the total length + * second time: concatenate the names + */ + for (;;) + { + len = 0; + for (idx = 0; idx < ARGCOUNT; ++idx) + { + p = alist_name(&ARGLIST[idx]); + if (p != NULL) + { + if (len > 0) + { + /* insert a space in between names */ + if (retval != NULL) + retval[len] = ' '; + ++len; + } + for ( ; *p != NUL; ++p) + { + if (*p == ' ' || *p == '\\') + { + /* insert a backslash */ + if (retval != NULL) + retval[len] = '\\'; + ++len; + } + if (retval != NULL) + retval[len] = *p; + ++len; + } + } + } + + /* second time: break here */ + if (retval != NULL) + { + retval[len] = NUL; + break; + } + + /* allocate memory */ + retval = alloc(len + 1); + if (retval == NULL) + break; + } + + return retval; +} + +#if defined(FEAT_AUTOCMD) || defined(PROTO) +/* + * Expand the <sfile> string in "arg". + * + * Returns an allocated string, or NULL for any error. + */ + char_u * +expand_sfile(arg) + char_u *arg; +{ + char_u *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, &srclen, NULL, &errormsg, result); + 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; +} +#endif + +#ifdef FEAT_SESSION +static int ses_winsizes __ARGS((FILE *fd, int restore_size)); +static int ses_win_rec __ARGS((FILE *fd, frame_T *fr)); +static frame_T *ses_skipframe __ARGS((frame_T *fr)); +static int ses_do_frame __ARGS((frame_T *fr)); +static int ses_do_win __ARGS((win_T *wp)); +static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp)); +static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp)); +static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp)); + +/* + * Write openfile commands for the current buffers to an .exrc file. + * Return FAIL on error, OK otherwise. + */ + static int +makeopens(fd, dirnow) + FILE *fd; + char_u *dirnow; /* Current directory name */ +{ + buf_T *buf; + int only_save_windows = TRUE; + int nr; + int cnr = 1; + int restore_size = TRUE; + win_T *wp; + char_u *sname; + win_T *edited_win = NULL; + + if (ssop_flags & SSOP_BUFFERS) + only_save_windows = FALSE; /* Save ALL buffers */ + + /* + * Begin by setting the this_session variable, and then other + * sessionable variables. + */ +#ifdef FEAT_EVAL + if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL) + return FAIL; + if (ssop_flags & SSOP_GLOBALS) + if (store_session_globals(fd) == FAIL) + return FAIL; +#endif + + /* + * Close all windows but one. + */ + if (put_line(fd, "silent only") == FAIL) + return FAIL; + + /* + * Now a :cd command to the session directory or the current directory + */ + if (ssop_flags & SSOP_SESDIR) + { + if (put_line(fd, "exe \"cd \" . expand(\"<sfile>:p:h\")") == FAIL) + return FAIL; + } + else if (ssop_flags & SSOP_CURDIR) + { + sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow); + if (sname == NULL + || fprintf(fd, "cd %s", sname) < 0 || put_eol(fd) == FAIL) + return FAIL; + vim_free(sname); + } + + /* + * Now save the current files, current buffer first. + */ + if (put_line(fd, "set shortmess=aoO") == FAIL) + return FAIL; + + /* Now put the other buffers into the buffer list */ + for (buf = firstbuf; buf != NULL; buf = buf->b_next) + { + if (!(only_save_windows && buf->b_nwindows == 0) + && !(buf->b_help && !(ssop_flags & SSOP_HELP)) + && buf->b_fname != NULL + && buf->b_p_bl) + { + if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L + : buf->b_wininfo->wi_fpos.lnum) < 0 + || ses_fname(fd, buf, &ssop_flags) == FAIL) + return FAIL; + } + } + + /* the global argument list */ + if (ses_arglist(fd, "args", &global_alist.al_ga, + !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL) + return FAIL; + + if (ssop_flags & SSOP_RESIZE) + { + /* Note: after the restore we still check it worked!*/ + if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0 + || put_eol(fd) == FAIL) + return FAIL; + } + +#ifdef FEAT_GUI + if (gui.in_use && (ssop_flags & SSOP_WINPOS)) + { + int x, y; + + if (gui_mch_get_winpos(&x, &y) == OK) + { + /* Note: after the restore we still check it worked!*/ + if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL) + return FAIL; + } + } +#endif + + /* + * Before creating the window layout, try loading one file. If this is + * aborted we don't end up with a number of useless windows. + * This may have side effects! (e.g., compressed or network file). + */ + for (wp = firstwin; wp != NULL; wp = wp->w_next) + { + if (ses_do_win(wp) + && wp->w_buffer->b_ffname != NULL + && !wp->w_buffer->b_help +#ifdef FEAT_QUICKFIX + && !bt_nofile(wp->w_buffer) +#endif + ) + { + if (fputs("edit ", fd) < 0 + || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL) + return FAIL; + if (!wp->w_arg_idx_invalid) + edited_win = wp; + break; + } + } + + /* + * Save current window layout. + */ + if (put_line(fd, "set splitbelow splitright") == FAIL) + return FAIL; + if (ses_win_rec(fd, topframe) == FAIL) + return FAIL; + if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL) + return FAIL; + if (!p_spr && put_line(fd, "set nosplitright") == FAIL) + return FAIL; + + /* + * Check if window sizes can be restored (no windows omitted). + * Remember the window number of the current window after restoring. + */ + nr = 0; + for (wp = firstwin; wp != NULL; wp = W_NEXT(wp)) + { + if (ses_do_win(wp)) + ++nr; + else + restore_size = FALSE; + if (curwin == wp) + cnr = nr; + } + + /* Go to the first window. */ + if (put_line(fd, "wincmd t") == FAIL) + return FAIL; + + /* + * If more than one window, see if sizes can be restored. + * First set 'winheight' and 'winwidth' to 1 to avoid the windows being + * resized when moving between windows. + * Do this before restoring the view, so that the topline and the cursor + * can be set. This is done again below. + */ + if (put_line(fd, "set winheight=1 winwidth=1") == FAIL) + return FAIL; + if (nr > 1 && ses_winsizes(fd, restore_size) == FAIL) + return FAIL; + + /* + * Restore the view of the window (options, file, cursor, etc.). + */ + for (wp = firstwin; wp != NULL; wp = wp->w_next) + { + if (!ses_do_win(wp)) + continue; + if (put_view(fd, wp, wp != edited_win, &ssop_flags) == FAIL) + return FAIL; + if (nr > 1 && put_line(fd, "wincmd w") == FAIL) + return FAIL; + } + + /* + * Restore cursor to the current window if it's not the first one. + */ + if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0 || put_eol(fd) == FAIL)) + return FAIL; + + /* + * Restore window sizes again after jumping around in windows, because the + * current window has a minimum size while others may not. + */ + if (nr > 1 && ses_winsizes(fd, restore_size) == FAIL) + return FAIL; + + /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */ + if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s", + p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL) + return FAIL; + + /* + * Lastly, execute the x.vim file if it exists. + */ + if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL + || put_line(fd, "if file_readable(s:sx)") == FAIL + || put_line(fd, " exe \"source \" . s:sx") == FAIL + || put_line(fd, "endif") == FAIL) + return FAIL; + + return OK; +} + + static int +ses_winsizes(fd, restore_size) + FILE *fd; + int restore_size; +{ + int n = 0; + win_T *wp; + + if (restore_size && (ssop_flags & SSOP_WINSIZE)) + { + for (wp = firstwin; wp != NULL; wp = wp->w_next) + { + if (!ses_do_win(wp)) + continue; + ++n; + + /* restore height when not full height */ + if (wp->w_height + wp->w_status_height < topframe->fr_height + && (fprintf(fd, + "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)", + n, (long)wp->w_height, Rows / 2, Rows) < 0 + || put_eol(fd) == FAIL)) + return FAIL; + + /* restore width when not full width */ + if (wp->w_width < Columns && (fprintf(fd, + "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)", + n, (long)wp->w_width, Columns / 2, Columns) < 0 + || put_eol(fd) == FAIL)) + return FAIL; + } + } + else + { + /* Just equalise window sizes */ + if (put_line(fd, "wincmd =") == FAIL) + return FAIL; + } + return OK; +} + +/* + * Write commands to "fd" to recursively create windows for frame "fr", + * horizontally and vertically split. + * After the commands the last window in the frame is the current window. + * Returns FAIL when writing the commands to "fd" fails. + */ + static int +ses_win_rec(fd, fr) + FILE *fd; + frame_T *fr; +{ + frame_T *frc; + int count = 0; + + if (fr->fr_layout != FR_LEAF) + { + /* Find first frame that's not skipped and then create a window for + * each following one (first frame is already there). */ + frc = ses_skipframe(fr->fr_child); + if (frc != NULL) + while ((frc = ses_skipframe(frc->fr_next)) != NULL) + { + /* Make window as big as possible so that we have lots of room + * to split. */ + if (put_line(fd, "wincmd _ | wincmd |") == FAIL + || put_line(fd, fr->fr_layout == FR_COL + ? "split" : "vsplit") == FAIL) + return FAIL; + ++count; + } + + /* Go back to the first window. */ + if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL + ? "%dwincmd k" : "%dwincmd h", count) < 0 + || put_eol(fd) == FAIL)) + return FAIL; + + /* Recursively create frames/windows in each window of this column or + * row. */ + frc = ses_skipframe(fr->fr_child); + while (frc != NULL) + { + ses_win_rec(fd, frc); + frc = ses_skipframe(frc->fr_next); + /* Go to next window. */ + if (frc != NULL && put_line(fd, "wincmd w") == FAIL) + return FAIL; + } + } + return OK; +} + +/* + * Skip frames that don't contain windows we want to save in the Session. + * Returns NULL when there none. + */ + static frame_T * +ses_skipframe(fr) + frame_T *fr; +{ + frame_T *frc; + + for (frc = fr; frc != NULL; frc = frc->fr_next) + if (ses_do_frame(frc)) + break; + return frc; +} + +/* + * Return TRUE if frame "fr" has a window somewhere that we want to save in + * the Session. + */ + static int +ses_do_frame(fr) + frame_T *fr; +{ + frame_T *frc; + + if (fr->fr_layout == FR_LEAF) + return ses_do_win(fr->fr_win); + for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next) + if (ses_do_frame(frc)) + return TRUE; + return FALSE; +} + +/* + * Return non-zero if window "wp" is to be stored in the Session. + */ + static int +ses_do_win(wp) + win_T *wp; +{ + if (wp->w_buffer->b_fname == NULL +#ifdef FEAT_QUICKFIX + /* When 'buftype' is "nofile" can't restore the window contents. */ + || bt_nofile(wp->w_buffer) +#endif + ) + return (ssop_flags & SSOP_BLANK); + if (wp->w_buffer->b_help) + return (ssop_flags & SSOP_HELP); + return TRUE; +} + +/* + * Write commands to "fd" to restore the view of a window. + * Caller must make sure 'scrolloff' is zero. + */ + static int +put_view(fd, wp, add_edit, flagp) + FILE *fd; + win_T *wp; + int add_edit; /* add ":edit" command to view */ + unsigned *flagp; /* vop_flags or ssop_flags */ +{ + win_T *save_curwin; + int f; + int do_cursor; + + /* Always restore cursor position for ":mksession". For ":mkview" only + * when 'viewoptions' contains "cursor". */ + do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR); + + /* + * Local argument list. + */ + if (wp->w_alist == &global_alist) + { + if (put_line(fd, "argglobal") == FAIL) + return FAIL; + } + else + { + if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga, + flagp == &vop_flags + || !(*flagp & SSOP_CURDIR) + || wp->w_localdir != NULL, flagp) == FAIL) + return FAIL; + } + + /* Only when part of a session: restore the argument index. */ + if (wp->w_arg_idx != 0 && flagp == &ssop_flags) + { + if (fprintf(fd, "%ldnext", (long)wp->w_arg_idx) < 0 + || put_eol(fd) == FAIL) + return FAIL; + } + + /* Edit the file. Skip this when ":next" already did it. */ + if (add_edit && (wp->w_arg_idx == 0 || flagp != &ssop_flags + || wp->w_arg_idx_invalid)) + { + /* + * Load the file. + */ + if (wp->w_buffer->b_ffname != NULL +#ifdef FEAT_QUICKFIX + && !bt_nofile(wp->w_buffer) +#endif + ) + { + /* + * Editing a file in this buffer: use ":edit file". + * This may have side effects! (e.g., compressed or network file). + */ + if (fputs("edit ", fd) < 0 + || ses_fname(fd, wp->w_buffer, flagp) == FAIL) + return FAIL; + } + else + { + /* No file in this buffer, just make it empty. */ + if (put_line(fd, "enew") == FAIL) + return FAIL; +#ifdef FEAT_QUICKFIX + if (wp->w_buffer->b_ffname != NULL) + { + /* The buffer does have a name, but it's not a file name. */ + if (fputs("file ", fd) < 0 + || ses_fname(fd, wp->w_buffer, flagp) == FAIL) + return FAIL; + } +#endif + do_cursor = FALSE; + } + } + + /* + * Local mappings and abbreviations. + */ + if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS)) + && makemap(fd, wp->w_buffer) == FAIL) + return FAIL; + + /* + * Local options. Need to go to the window temporarily. + * Store only local values when using ":mkview" and when ":mksession" is + * used and 'sessionoptions' doesn't include "options". + * Some folding options are always stored when "folds" is included, + * otherwise the folds would not be restored correctly. + */ + save_curwin = curwin; + curwin = wp; + curbuf = curwin->w_buffer; + if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS)) + f = makeset(fd, OPT_LOCAL, + flagp == &vop_flags || !(*flagp & SSOP_OPTIONS)); +#ifdef FEAT_FOLDING + else if (*flagp & SSOP_FOLDS) + f = makefoldset(fd); +#endif + else + f = OK; + curwin = save_curwin; + curbuf = curwin->w_buffer; + if (f == FAIL) + return FAIL; + +#ifdef FEAT_FOLDING + /* + * Save Folds when 'buftype' is empty and for help files. + */ + if ((*flagp & SSOP_FOLDS) + && wp->w_buffer->b_ffname != NULL + && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)) + { + if (put_folds(fd, wp) == FAIL) + return FAIL; + } +#endif + + /* + * Set the cursor after creating folds, since that moves the cursor. + */ + if (do_cursor) + { + + /* Restore the cursor line in the file and relatively in the + * window. Don't use "G", it changes the jumplist. */ + if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)", + (long)wp->w_cursor.lnum, + (long)(wp->w_cursor.lnum - wp->w_topline), + (long)wp->w_height / 2, (long)wp->w_height) < 0 + || put_eol(fd) == FAIL + || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL + || put_line(fd, "exe s:l") == FAIL + || put_line(fd, "normal! zt") == FAIL + || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0 + || put_eol(fd) == FAIL) + return FAIL; + /* Restore the cursor column and left offset when not wrapping. */ + if (wp->w_cursor.col == 0) + { + if (put_line(fd, "normal! 0") == FAIL) + return FAIL; + } + else + { + if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0) + { + if (fprintf(fd, + "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)", + (long)wp->w_cursor.col, + (long)(wp->w_cursor.col - wp->w_leftcol), + (long)wp->w_width / 2, (long)wp->w_width) < 0 + || put_eol(fd) == FAIL + || put_line(fd, "if s:c > 0") == FAIL + || fprintf(fd, + " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'", + (long)wp->w_cursor.col) < 0 + || put_eol(fd) == FAIL + || put_line(fd, "else") == FAIL + || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0 + || put_eol(fd) == FAIL + || put_line(fd, "endif") == FAIL) + return FAIL; + } + else + { + if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0 + || put_eol(fd) == FAIL) + return FAIL; + } + } + } + + /* + * Local directory. + */ + if (wp->w_localdir != NULL) + { + if (fputs("lcd ", fd) < 0 + || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL + || put_eol(fd) == FAIL) + return FAIL; + } + + return OK; +} + +/* + * Write an argument list to the session file. + * Returns FAIL if writing fails. + */ + static int +ses_arglist(fd, cmd, gap, fullname, flagp) + FILE *fd; + char *cmd; + garray_T *gap; + int fullname; /* TRUE: use full path name */ + unsigned *flagp; +{ + int i; + char_u buf[MAXPATHL]; + char_u *s; + + if (gap->ga_len == 0) + return put_line(fd, "silent! argdel *"); + if (fputs(cmd, fd) < 0) + return FAIL; + for (i = 0; i < gap->ga_len; ++i) + { + /* NULL file names are skipped (only happens when out of memory). */ + s = alist_name(&((aentry_T *)gap->ga_data)[i]); + if (s != NULL) + { + if (fullname) + { + (void)vim_FullName(s, buf, MAXPATHL, FALSE); + s = buf; + } + if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL) + return FAIL; + } + } + return put_eol(fd); +} + +/* + * Write a buffer name to the session file. + * Also ends the line. + * Returns FAIL if writing fails. + */ + static int +ses_fname(fd, buf, flagp) + FILE *fd; + buf_T *buf; + unsigned *flagp; +{ + char_u *name; + + /* Use the short file name if the current directory is known at the time + * the session file will be sourced. Don't do this for ":mkview", we + * don't know the current directory. */ + if (buf->b_sfname != NULL + && flagp == &ssop_flags + && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))) + name = buf->b_sfname; + else + name = buf->b_ffname; + if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL) + return FAIL; + return OK; +} + +/* + * Write a file name to the session file. + * Takes care of the "slash" option in 'sessionoptions' and escapes special + * characters. + * Returns FAIL if writing fails. + */ + static int +ses_put_fname(fd, name, flagp) + FILE *fd; + char_u *name; + unsigned *flagp; +{ + char_u *sname; + int retval = OK; + int c; + + sname = home_replace_save(NULL, name); + if (sname != NULL) + name = sname; + while (*name != NUL) + { +#ifdef FEAT_MBYTE + { + int l; + + if (has_mbyte && (l = (*mb_ptr2len_check)(name)) > 1) + { + /* copy a multibyte char */ + while (--l >= 0) + { + if (putc(*name, fd) != *name) + retval = FAIL; + ++name; + } + continue; + } + } +#endif + c = *name++; + if (c == '\\' && (*flagp & SSOP_SLASH)) + /* change a backslash to a forward slash */ + c = '/'; + else if ((vim_strchr(escape_chars, c) != NULL +#ifdef BACKSLASH_IN_FILENAME + && c != '\\' +#endif + ) || c == '#' || c == '%') + { + /* escape a special character with a backslash */ + if (putc('\\', fd) != '\\') + retval = FAIL; + } + if (putc(c, fd) != c) + retval = FAIL; + } + vim_free(sname); + return retval; +} + +/* + * ":loadview [nr]" + */ + static void +ex_loadview(eap) + exarg_T *eap; +{ + char_u *fname; + + fname = get_view_file(*eap->arg); + if (fname != NULL) + { + do_source(fname, FALSE, FALSE); + vim_free(fname); + } +} + +/* + * Get the name of the view file for the current buffer. + */ + static char_u * +get_view_file(c) + int c; +{ + int len = 0; + char_u *p, *s; + char_u *retval; + char_u *sname; + + if (curbuf->b_ffname == NULL) + { + EMSG(_(e_noname)); + return NULL; + } + sname = home_replace_save(NULL, curbuf->b_ffname); + if (sname == NULL) + return NULL; + + /* + * We want a file name without separators, because we're not going to make + * a directory. + * "normal" path separator -> "=+" + * "=" -> "==" + * ":" path separator -> "=-" + */ + for (p = sname; *p; ++p) + if (*p == '=' || vim_ispathsep(*p)) + ++len; + retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9)); + if (retval != NULL) + { + STRCPY(retval, p_vdir); + add_pathsep(retval); + s = retval + STRLEN(retval); + for (p = sname; *p; ++p) + { + if (*p == '=') + { + *s++ = '='; + *s++ = '='; + } + else if (vim_ispathsep(*p)) + { + *s++ = '='; +#ifdef MACOS_CLASSIC /* TODO: Is it also needed for MACOS_X? (Dany) */ + *s++ = '+'; +#else +# if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \ + || defined(VMS) + if (*p == ':') + *s++ = '-'; + else +# endif + *s++ = '+'; +#endif + } + else + *s++ = *p; + } + *s++ = '='; + *s++ = c; + STRCPY(s, ".vim"); + } + + vim_free(sname); + return retval; +} + +#endif /* FEAT_SESSION */ + +/* + * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession". + * Return FAIL for a write error. + */ + int +put_eol(fd) + FILE *fd; +{ + if ( +#ifdef USE_CRNL + ( +# ifdef MKSESSION_NL + !mksession_nl && +# endif + (putc('\r', fd) < 0)) || +#endif + (putc('\n', fd) < 0)) + return FAIL; + return OK; +} + +/* + * Write a line to "fd". + * Return FAIL for a write error. + */ + int +put_line(fd, s) + FILE *fd; + char *s; +{ + if (fputs(s, fd) < 0 || put_eol(fd) == FAIL) + return FAIL; + return OK; +} + +#ifdef FEAT_VIMINFO +/* + * ":rviminfo" and ":wviminfo". + */ + static void +ex_viminfo(eap) + exarg_T *eap; +{ + char_u *save_viminfo; + + save_viminfo = p_viminfo; + if (*p_viminfo == NUL) + p_viminfo = (char_u *)"'100"; + if (eap->cmdidx == CMD_rviminfo) + { + if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL) + EMSG(_("E195: Cannot open viminfo file for reading")); + } + else + write_viminfo(eap->arg, eap->forceit); + p_viminfo = save_viminfo; +} +#endif + +#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO) + void +dialog_msg(buff, format, fname) + char_u *buff; + char *format; + char_u *fname; +{ + int len; + + if (fname == NULL) + fname = (char_u *)_("Untitled"); + len = (int)STRLEN(format) + (int)STRLEN(fname); + if (len >= IOSIZE) + sprintf((char *)buff, format, (int)(IOSIZE - STRLEN(format)), fname); + else + sprintf((char *)buff, format, (int)STRLEN(fname), fname); +} +#endif + +/* + * ":behave {mswin,xterm}" + */ + static void +ex_behave(eap) + 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 + EMSG2(_(e_invarg2), eap->arg); +} + +#ifdef FEAT_AUTOCMD +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(eap) + exarg_T *eap; +{ + char_u *arg = eap->arg; + int plugin = FALSE; + int indent = FALSE; + + if (*eap->arg == NUL) + { + /* Print current status. */ + smsg((char_u *)"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) + { + cmd_runtime((char_u *)FILETYPE_FILE, TRUE); + filetype_detect = TRUE; + if (plugin) + { + cmd_runtime((char_u *)FTPLUGIN_FILE, TRUE); + filetype_plugin = TRUE; + } + if (indent) + { + cmd_runtime((char_u *)INDENT_FILE, TRUE); + filetype_indent = TRUE; + } + } + if (*arg == 'd') + { + (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE); + do_modelines(); + } + } + else if (STRCMP(arg, "off") == 0) + { + if (plugin || indent) + { + if (plugin) + { + cmd_runtime((char_u *)FTPLUGOF_FILE, TRUE); + filetype_plugin = FALSE; + } + if (indent) + { + cmd_runtime((char_u *)INDOFF_FILE, TRUE); + filetype_indent = FALSE; + } + } + else + { + cmd_runtime((char_u *)FTOFF_FILE, TRUE); + filetype_detect = FALSE; + } + } + else + EMSG2(_(e_invarg2), arg); +} + +/* + * ":setfiletype {name}" + */ + static void +ex_setfiletype(eap) + exarg_T *eap; +{ + if (!did_filetype) + set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL); +} +#endif + +/*ARGSUSED*/ + static void +ex_digraphs(eap) + exarg_T *eap; +{ +#ifdef FEAT_DIGRAPHS + if (*eap->arg != NUL) + putdigraph(eap->arg); + else + listdigraphs(); +#else + EMSG(_("E196: No digraphs in this version")); +#endif +} + + static void +ex_set(eap) + exarg_T *eap; +{ + int flags = 0; + + if (eap->cmdidx == CMD_setlocal) + flags = OPT_LOCAL; + else if (eap->cmdidx == CMD_setglobal) + flags = OPT_GLOBAL; +#if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE) + if (cmdmod.browse && flags == 0) + ex_options(eap); + else +#endif + (void)do_set(eap->arg, flags); +} + +#ifdef FEAT_SEARCH_EXTRA +/* + * ":nohlsearch" + */ +/*ARGSUSED*/ + static void +ex_nohlsearch(eap) + exarg_T *eap; +{ + no_hlsearch = TRUE; + redraw_all_later(NOT_VALID); +} + +/* + * ":match {group} {pattern}" + * Sets nextcmd to the start of the next command, if any. Also called when + * skipping commands to find the next command. + */ + static void +ex_match(eap) + exarg_T *eap; +{ + char_u *p; + char_u *end; + int c; + + /* First clear any old pattern. */ + if (!eap->skip) + { + vim_free(curwin->w_match.regprog); + curwin->w_match.regprog = NULL; + redraw_later(NOT_VALID); /* always need a redraw */ + } + + if (ends_excmd(*eap->arg)) + end = eap->arg; + else if ((STRNICMP(eap->arg, "none", 4) == 0 + && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4])))) + end = eap->arg + 4; + else + { + p = skiptowhite(eap->arg); + if (!eap->skip) + { + curwin->w_match_id = syn_namen2id(eap->arg, (int)(p - eap->arg)); + if (curwin->w_match_id == 0) + { + EMSG2(_(e_nogroup), eap->arg); + return; + } + } + p = skipwhite(p); + if (*p == NUL) + { + /* There must be two arguments. */ + EMSG2(_(e_invarg2), eap->arg); + return; + } + end = skip_regexp(p + 1, *p, TRUE, NULL); + if (!eap->skip) + { + if (*end != NUL && !ends_excmd(*skipwhite(end + 1))) + { + eap->errmsg = e_trailing; + return; + } + + c = *end; + *end = NUL; + curwin->w_match.regprog = vim_regcomp(p + 1, RE_MAGIC); + *end = c; + if (curwin->w_match.regprog == NULL) + { + EMSG2(_(e_invarg2), p); + return; + } + } + } + eap->nextcmd = find_nextcmd(end); +} +#endif + +#ifdef FEAT_CRYPT +/* + * ":X": Get crypt key + */ +/*ARGSUSED*/ + static void +ex_X(eap) + exarg_T *eap; +{ + (void)get_crypt_key(TRUE, TRUE); +} +#endif + +#ifdef FEAT_FOLDING + static void +ex_fold(eap) + exarg_T *eap; +{ + if (foldManualAllowed(TRUE)) + foldCreate(eap->line1, eap->line2); +} + + static void +ex_foldopen(eap) + exarg_T *eap; +{ + opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen, + eap->forceit, FALSE); +} + + static void +ex_folddo(eap) + exarg_T *eap; +{ + linenr_T lnum; + + /* 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 */ +} +#endif |