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-rw-r--r--src/ex_docmd.c9109
1 files changed, 0 insertions, 9109 deletions
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
deleted file mode 100644
index 87ce252434..0000000000
--- a/src/ex_docmd.c
+++ /dev/null
@@ -1,9109 +0,0 @@
-/*
- * 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 <string.h>
-
-#include "vim.h"
-#include "ex_docmd.h"
-#include "blowfish.h"
-#include "buffer.h"
-#include "charset.h"
-#include "diff.h"
-#include "digraph.h"
-#include "edit.h"
-#include "eval.h"
-#include "ex_cmds.h"
-#include "ex_cmds2.h"
-#include "ex_eval.h"
-#include "ex_getln.h"
-#include "fileio.h"
-#include "fold.h"
-#include "getchar.h"
-#include "hardcopy.h"
-#include "if_cscope.h"
-#include "main.h"
-#include "mark.h"
-#include "mbyte.h"
-#include "memline.h"
-#include "memory.h"
-#include "menu.h"
-#include "message.h"
-#include "misc1.h"
-#include "misc2.h"
-#include "keymap.h"
-#include "crypt.h"
-#include "file_search.h"
-#include "garray.h"
-#include "move.h"
-#include "normal.h"
-#include "ops.h"
-#include "option.h"
-#include "os_unix.h"
-#include "path.h"
-#include "quickfix.h"
-#include "regexp.h"
-#include "screen.h"
-#include "search.h"
-#include "spell.h"
-#include "syntax.h"
-#include "tag.h"
-#include "term.h"
-#include "ui.h"
-#include "undo.h"
-#include "version.h"
-#include "window.h"
-#include "os/os.h"
-
-static int quitmore = 0;
-static int ex_pressedreturn = FALSE;
-
-typedef struct ucmd {
- char_u *uc_name; /* The command name */
- long_u uc_argt; /* The argument type */
- char_u *uc_rep; /* The command's replacement string */
- long uc_def; /* The default value for a range/count */
- int uc_compl; /* completion type */
- scid_T uc_scriptID; /* SID where the command was defined */
- char_u *uc_compl_arg; /* completion argument if any */
-} ucmd_T;
-
-#define UC_BUFFER 1 /* -buffer: local to current buffer */
-
-static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
-
-#define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
-#define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
-
-static void do_ucmd(exarg_T *eap);
-static void ex_command(exarg_T *eap);
-static void ex_delcommand(exarg_T *eap);
-static char_u *get_user_command_name(int idx);
-
-
-static char_u *do_one_cmd(char_u **, int, struct condstack *,
- char_u *(*fgetline)(int, void *, int),
- void *cookie);
-static void append_command(char_u *cmd);
-static char_u *find_command(exarg_T *eap, int *full);
-
-static void ex_abbreviate(exarg_T *eap);
-static void ex_map(exarg_T *eap);
-static void ex_unmap(exarg_T *eap);
-static void ex_mapclear(exarg_T *eap);
-static void ex_abclear(exarg_T *eap);
-static void ex_autocmd(exarg_T *eap);
-static void ex_doautocmd(exarg_T *eap);
-static void ex_bunload(exarg_T *eap);
-static void ex_buffer(exarg_T *eap);
-static void ex_bmodified(exarg_T *eap);
-static void ex_bnext(exarg_T *eap);
-static void ex_bprevious(exarg_T *eap);
-static void ex_brewind(exarg_T *eap);
-static void ex_blast(exarg_T *eap);
-static char_u *getargcmd(char_u **);
-static char_u *skip_cmd_arg(char_u *p, int rembs);
-static int getargopt(exarg_T *eap);
-
-static int check_more(int, int);
-static linenr_T get_address(char_u **, int skip, int to_other_file);
-static void get_flags(exarg_T *eap);
-# define HAVE_EX_SCRIPT_NI
-static void ex_script_ni(exarg_T *eap);
-static char_u *invalid_range(exarg_T *eap);
-static void correct_range(exarg_T *eap);
-static char_u *replace_makeprg(exarg_T *eap, char_u *p,
- char_u **cmdlinep);
-static char_u *repl_cmdline(exarg_T *eap, char_u *src, int srclen,
- char_u *repl,
- char_u **cmdlinep);
-static void ex_highlight(exarg_T *eap);
-static void ex_colorscheme(exarg_T *eap);
-static void ex_quit(exarg_T *eap);
-static void ex_cquit(exarg_T *eap);
-static void ex_quit_all(exarg_T *eap);
-static void ex_close(exarg_T *eap);
-static void ex_win_close(int forceit, win_T *win, tabpage_T *tp);
-static void ex_only(exarg_T *eap);
-static void ex_resize(exarg_T *eap);
-static void ex_stag(exarg_T *eap);
-static void ex_tabclose(exarg_T *eap);
-static void ex_tabonly(exarg_T *eap);
-static void ex_tabnext(exarg_T *eap);
-static void ex_tabmove(exarg_T *eap);
-static void ex_tabs(exarg_T *eap);
-static void ex_pclose(exarg_T *eap);
-static void ex_ptag(exarg_T *eap);
-static void ex_pedit(exarg_T *eap);
-static void ex_hide(exarg_T *eap);
-static void ex_stop(exarg_T *eap);
-static void ex_exit(exarg_T *eap);
-static void ex_print(exarg_T *eap);
-static void ex_goto(exarg_T *eap);
-static void ex_preserve(exarg_T *eap);
-static void ex_recover(exarg_T *eap);
-static void ex_mode(exarg_T *eap);
-static void ex_wrongmodifier(exarg_T *eap);
-static void ex_find(exarg_T *eap);
-static void ex_open(exarg_T *eap);
-static void ex_edit(exarg_T *eap);
-# define ex_drop ex_ni
-# define ex_gui ex_nogui
-static void ex_nogui(exarg_T *eap);
-# define ex_tearoff ex_ni
-# define ex_popup ex_ni
-# define ex_simalt ex_ni
-# define gui_mch_find_dialog ex_ni
-# define gui_mch_replace_dialog ex_ni
-# define ex_helpfind ex_ni
-static void ex_swapname(exarg_T *eap);
-static void ex_syncbind(exarg_T *eap);
-static void ex_read(exarg_T *eap);
-static void ex_pwd(exarg_T *eap);
-static void ex_equal(exarg_T *eap);
-static void ex_sleep(exarg_T *eap);
-static void do_exmap(exarg_T *eap, int isabbrev);
-static void ex_winsize(exarg_T *eap);
-static void ex_wincmd(exarg_T *eap);
-#if defined(FEAT_GUI) || defined(UNIX) || defined(MSWIN)
-static void ex_winpos(exarg_T *eap);
-#else
-# define ex_winpos ex_ni
-#endif
-static void ex_operators(exarg_T *eap);
-static void ex_put(exarg_T *eap);
-static void ex_copymove(exarg_T *eap);
-static void ex_submagic(exarg_T *eap);
-static void ex_join(exarg_T *eap);
-static void ex_at(exarg_T *eap);
-static void ex_bang(exarg_T *eap);
-static void ex_undo(exarg_T *eap);
-static void ex_wundo(exarg_T *eap);
-static void ex_rundo(exarg_T *eap);
-static void ex_redo(exarg_T *eap);
-static void ex_later(exarg_T *eap);
-static void ex_redir(exarg_T *eap);
-static void ex_redraw(exarg_T *eap);
-static void ex_redrawstatus(exarg_T *eap);
-static void close_redir(void);
-static void ex_mkrc(exarg_T *eap);
-static void ex_mark(exarg_T *eap);
-static char_u *uc_fun_cmd(void);
-static char_u *find_ucmd(exarg_T *eap, char_u *p, int *full,
- expand_T *xp,
- int *compl);
-static void ex_normal(exarg_T *eap);
-static void ex_startinsert(exarg_T *eap);
-static void ex_stopinsert(exarg_T *eap);
-static void ex_checkpath(exarg_T *eap);
-static void ex_findpat(exarg_T *eap);
-static void ex_psearch(exarg_T *eap);
-static void ex_tag(exarg_T *eap);
-static void ex_tag_cmd(exarg_T *eap, char_u *name);
-static char_u *arg_all(void);
-static int makeopens(FILE *fd, char_u *dirnow);
-static int put_view(FILE *fd, win_T *wp, int add_edit, unsigned *flagp,
- int current_arg_idx);
-static void ex_loadview(exarg_T *eap);
-static char_u *get_view_file(int c);
-static int did_lcd; /* whether ":lcd" was produced for a session */
-static void ex_viminfo(exarg_T *eap);
-static void ex_behave(exarg_T *eap);
-static void ex_filetype(exarg_T *eap);
-static void ex_setfiletype(exarg_T *eap);
-static void ex_digraphs(exarg_T *eap);
-static void ex_set(exarg_T *eap);
-static void ex_nohlsearch(exarg_T *eap);
-static void ex_match(exarg_T *eap);
-static void ex_X(exarg_T *eap);
-static void ex_fold(exarg_T *eap);
-static void ex_foldopen(exarg_T *eap);
-static void ex_folddo(exarg_T *eap);
-#ifndef HAVE_WORKING_LIBINTL
-# define ex_language ex_ni
-#endif
-# define ex_wsverb ex_ni
-# define ex_nbclose ex_ni
-# define ex_nbkey ex_ni
-# define ex_nbstart ex_ni
-
-
-
-
-/*
- * Declare cmdnames[].
- */
-#define DO_DECLARE_EXCMD
-#include "ex_cmds_defs.h"
-
-/*
- * Table used to quickly search for a command, based on its first character.
- */
-static cmdidx_T cmdidxs[27] =
-{
- CMD_append,
- CMD_buffer,
- CMD_change,
- CMD_delete,
- CMD_edit,
- CMD_file,
- CMD_global,
- CMD_help,
- CMD_insert,
- CMD_join,
- CMD_k,
- CMD_list,
- CMD_move,
- CMD_next,
- CMD_open,
- CMD_print,
- CMD_quit,
- CMD_read,
- CMD_substitute,
- CMD_t,
- CMD_undo,
- CMD_vglobal,
- CMD_write,
- CMD_xit,
- CMD_yank,
- CMD_z,
- CMD_bang
-};
-
-static char_u dollar_command[2] = {'$', 0};
-
-
-/* Struct for storing a line inside a while/for loop */
-typedef struct {
- char_u *line; /* command line */
- linenr_T lnum; /* sourcing_lnum of the line */
-} wcmd_T;
-
-/*
- * Structure used to store info for line position in a while or for loop.
- * This is required, because do_one_cmd() may invoke ex_function(), which
- * reads more lines that may come from the while/for loop.
- */
-struct loop_cookie {
- garray_T *lines_gap; /* growarray with line info */
- int current_line; /* last read line from growarray */
- int repeating; /* TRUE when looping a second time */
- /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
- char_u *(*getline)(int, void *, int);
- void *cookie;
-};
-
-static char_u *get_loop_line(int c, void *cookie, int indent);
-static void store_loop_line(garray_T *gap, char_u *line);
-static void free_cmdlines(garray_T *gap);
-
-/* Struct to save a few things while debugging. Used in do_cmdline() only. */
-struct dbg_stuff {
- int trylevel;
- int force_abort;
- except_T *caught_stack;
- char_u *vv_exception;
- char_u *vv_throwpoint;
- int did_emsg;
- int got_int;
- int did_throw;
- int need_rethrow;
- int check_cstack;
- except_T *current_exception;
-};
-
-static void save_dbg_stuff(struct dbg_stuff *dsp);
-static void restore_dbg_stuff(struct dbg_stuff *dsp);
-
-static void save_dbg_stuff(struct dbg_stuff *dsp)
-{
- dsp->trylevel = trylevel; trylevel = 0;
- dsp->force_abort = force_abort; force_abort = FALSE;
- dsp->caught_stack = caught_stack; caught_stack = NULL;
- dsp->vv_exception = v_exception(NULL);
- dsp->vv_throwpoint = v_throwpoint(NULL);
-
- /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
- dsp->did_emsg = did_emsg; did_emsg = FALSE;
- dsp->got_int = got_int; got_int = FALSE;
- dsp->did_throw = did_throw; did_throw = FALSE;
- dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
- dsp->check_cstack = check_cstack; check_cstack = FALSE;
- dsp->current_exception = current_exception; current_exception = NULL;
-}
-
-static void restore_dbg_stuff(struct dbg_stuff *dsp)
-{
- suppress_errthrow = FALSE;
- trylevel = dsp->trylevel;
- force_abort = dsp->force_abort;
- caught_stack = dsp->caught_stack;
- (void)v_exception(dsp->vv_exception);
- (void)v_throwpoint(dsp->vv_throwpoint);
- did_emsg = dsp->did_emsg;
- got_int = dsp->got_int;
- did_throw = dsp->did_throw;
- need_rethrow = dsp->need_rethrow;
- check_cstack = dsp->check_cstack;
- current_exception = dsp->current_exception;
-}
-
-
-/*
- * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
- * command is given.
- */
-void
-do_exmode (
- int improved /* TRUE for "improved Ex" mode */
-)
-{
- int save_msg_scroll;
- int prev_msg_row;
- linenr_T prev_line;
- int changedtick;
-
- if (improved)
- exmode_active = EXMODE_VIM;
- else
- exmode_active = EXMODE_NORMAL;
- State = NORMAL;
-
- /* When using ":global /pat/ visual" and then "Q" we return to continue
- * the :global command. */
- if (global_busy)
- return;
-
- save_msg_scroll = msg_scroll;
- ++RedrawingDisabled; /* don't redisplay the window */
- ++no_wait_return; /* don't wait for return */
-
- MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
- while (exmode_active) {
- /* Check for a ":normal" command and no more characters left. */
- if (ex_normal_busy > 0 && typebuf.tb_len == 0) {
- exmode_active = FALSE;
- break;
- }
- msg_scroll = TRUE;
- need_wait_return = FALSE;
- ex_pressedreturn = FALSE;
- ex_no_reprint = FALSE;
- changedtick = curbuf->b_changedtick;
- prev_msg_row = msg_row;
- prev_line = curwin->w_cursor.lnum;
- if (improved) {
- cmdline_row = msg_row;
- do_cmdline(NULL, getexline, NULL, 0);
- } else
- do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
- lines_left = Rows - 1;
-
- if ((prev_line != curwin->w_cursor.lnum
- || changedtick != curbuf->b_changedtick) && !ex_no_reprint) {
- if (curbuf->b_ml.ml_flags & ML_EMPTY)
- EMSG(_(e_emptybuf));
- else {
- if (ex_pressedreturn) {
- /* go up one line, to overwrite the ":<CR>" line, so the
- * output doesn't contain empty lines. */
- msg_row = prev_msg_row;
- if (prev_msg_row == Rows - 1)
- msg_row--;
- }
- msg_col = 0;
- print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
- msg_clr_eos();
- }
- } else if (ex_pressedreturn && !ex_no_reprint) { /* must be at EOF */
- if (curbuf->b_ml.ml_flags & ML_EMPTY)
- EMSG(_(e_emptybuf));
- else
- EMSG(_("E501: At end-of-file"));
- }
- }
-
- --RedrawingDisabled;
- --no_wait_return;
- update_screen(CLEAR);
- need_wait_return = FALSE;
- msg_scroll = save_msg_scroll;
-}
-
-/*
- * Execute a simple command line. Used for translated commands like "*".
- */
-int do_cmdline_cmd(char_u *cmd)
-{
- return do_cmdline(cmd, NULL, NULL,
- DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
-}
-
-/*
- * do_cmdline(): execute one Ex command line
- *
- * 1. Execute "cmdline" when it is not NULL.
- * If "cmdline" is NULL, or more lines are needed, fgetline() is used.
- * 2. Split up in parts separated with '|'.
- *
- * This function can be called recursively!
- *
- * flags:
- * DOCMD_VERBOSE - The command will be included in the error message.
- * DOCMD_NOWAIT - Don't call wait_return() and friends.
- * DOCMD_REPEAT - Repeat execution until fgetline() returns NULL.
- * DOCMD_KEYTYPED - Don't reset KeyTyped.
- * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
- * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
- *
- * return FAIL if cmdline could not be executed, OK otherwise
- */
-int do_cmdline(cmdline, fgetline, cookie, flags)
-char_u *cmdline;
-char_u *(*fgetline)(int, void *, int);
-void *cookie; /* argument for fgetline() */
-int flags;
-{
- char_u *next_cmdline; /* next cmd to execute */
- char_u *cmdline_copy = NULL; /* copy of cmd line */
- int used_getline = FALSE; /* used "fgetline" to obtain command */
- static int recursive = 0; /* recursive depth */
- int msg_didout_before_start = 0;
- int count = 0; /* line number count */
- int did_inc = FALSE; /* incremented RedrawingDisabled */
- int retval = OK;
- struct condstack cstack; /* conditional stack */
- garray_T lines_ga; /* keep lines for ":while"/":for" */
- int current_line = 0; /* active line in lines_ga */
- char_u *fname = NULL; /* function or script name */
- linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
- int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
- struct dbg_stuff debug_saved; /* saved things for debug mode */
- int initial_trylevel;
- struct msglist **saved_msg_list = NULL;
- struct msglist *private_msg_list;
-
- /* "fgetline" and "cookie" passed to do_one_cmd() */
- char_u *(*cmd_getline)(int, void *, int);
- void *cmd_cookie;
- struct loop_cookie cmd_loop_cookie;
- void *real_cookie;
- int getline_is_func;
- static int call_depth = 0; /* recursiveness */
-
- /* 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;
-
- /* 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"));
- /* 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;
- return FAIL;
- }
- ++call_depth;
-
- cstack.cs_idx = -1;
- cstack.cs_looplevel = 0;
- cstack.cs_trylevel = 0;
- cstack.cs_emsg_silent_list = NULL;
- cstack.cs_lflags = 0;
- ga_init(&lines_ga, (int)sizeof(wcmd_T), 10);
-
- real_cookie = getline_cookie(fgetline, cookie);
-
- /* Inside a function use a higher nesting level. */
- getline_is_func = getline_equal(fgetline, cookie, get_func_line);
- if (getline_is_func && ex_nesting_level == func_level(real_cookie))
- ++ex_nesting_level;
-
- /* Get the function or script name and the address where the next breakpoint
- * line and the debug tick for a function or script are stored. */
- if (getline_is_func) {
- fname = func_name(real_cookie);
- breakpoint = func_breakpoint(real_cookie);
- dbg_tick = func_dbg_tick(real_cookie);
- } else if (getline_equal(fgetline, cookie, getsourceline)) {
- fname = sourcing_name;
- breakpoint = source_breakpoint(real_cookie);
- dbg_tick = source_dbg_tick(real_cookie);
- }
-
- /*
- * Initialize "force_abort" and "suppress_errthrow" at the top level.
- */
- if (!recursive) {
- force_abort = FALSE;
- suppress_errthrow = FALSE;
- }
-
- /*
- * If requested, store and reset the global values controlling the
- * exception handling (used when debugging). Otherwise clear it to avoid
- * a bogus compiler warning when the optimizer uses inline functions...
- */
- if (flags & DOCMD_EXCRESET)
- save_dbg_stuff(&debug_saved);
- else
- memset(&debug_saved, 0, 1);
-
- initial_trylevel = trylevel;
-
- /*
- * "did_throw" will be set to TRUE when an exception is being thrown.
- */
- did_throw = FALSE;
- /*
- * "did_emsg" will be set to TRUE when emsg() is used, in which case we
- * cancel the whole command line, and any if/endif or loop.
- * If force_abort is set, we cancel everything.
- */
- did_emsg = FALSE;
-
- /*
- * KeyTyped is only set when calling vgetc(). Reset it here when not
- * calling vgetc() (sourced command lines).
- */
- if (!(flags & DOCMD_KEYTYPED)
- && !getline_equal(fgetline, cookie, getexline))
- KeyTyped = FALSE;
-
- /*
- * Continue executing command lines:
- * - when inside an ":if", ":while" or ":for"
- * - for multiple commands on one line, separated with '|'
- * - when repeating until there are no more lines (for ":source")
- */
- next_cmdline = cmdline;
- do {
- getline_is_func = getline_equal(fgetline, cookie, get_func_line);
-
- /* stop skipping cmds for an error msg after all endif/while/for */
- if (next_cmdline == NULL
- && !force_abort
- && cstack.cs_idx < 0
- && !(getline_is_func && func_has_abort(real_cookie))
- )
- did_emsg = FALSE;
-
- /*
- * 1. If repeating a line in a loop, get a line from lines_ga.
- * 2. If no line given: Get an allocated line with fgetline().
- * 3. If a line is given: Make a copy, so we can mess with it.
- */
-
- /* 1. If repeating, get a previous line from lines_ga. */
- if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len) {
- /* Each '|' separated command is stored separately in lines_ga, to
- * be able to jump to it. Don't use next_cmdline now. */
- free(cmdline_copy);
- cmdline_copy = NULL;
-
- /* Check if a function has returned or, unless it has an unclosed
- * try conditional, aborted. */
- if (getline_is_func) {
- if (do_profiling == PROF_YES)
- func_line_end(real_cookie);
- if (func_has_ended(real_cookie)) {
- retval = FAIL;
- break;
- }
- } else if (do_profiling == PROF_YES
- && getline_equal(fgetline, cookie, getsourceline))
- script_line_end();
-
- /* Check if a sourced file hit a ":finish" command. */
- if (source_finished(fgetline, cookie)) {
- retval = FAIL;
- break;
- }
-
- /* If breakpoints have been added/deleted need to check for it. */
- if (breakpoint != NULL && dbg_tick != NULL
- && *dbg_tick != debug_tick) {
- *breakpoint = dbg_find_breakpoint(
- getline_equal(fgetline, cookie, getsourceline),
- fname, sourcing_lnum);
- *dbg_tick = debug_tick;
- }
-
- next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
- sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
-
- /* Did we encounter a breakpoint? */
- if (breakpoint != NULL && *breakpoint != 0
- && *breakpoint <= sourcing_lnum) {
- dbg_breakpoint(fname, sourcing_lnum);
- /* Find next breakpoint. */
- *breakpoint = dbg_find_breakpoint(
- getline_equal(fgetline, cookie, getsourceline),
- fname, sourcing_lnum);
- *dbg_tick = debug_tick;
- }
- if (do_profiling == PROF_YES) {
- if (getline_is_func)
- func_line_start(real_cookie);
- else if (getline_equal(fgetline, cookie, getsourceline))
- script_line_start();
- }
- }
-
- if (cstack.cs_looplevel > 0) {
- /* Inside a while/for loop we need to store the lines and use them
- * again. Pass a different "fgetline" function to do_one_cmd()
- * below, so that it stores lines in or reads them from
- * "lines_ga". Makes it possible to define a function inside a
- * while/for loop. */
- cmd_getline = get_loop_line;
- cmd_cookie = (void *)&cmd_loop_cookie;
- cmd_loop_cookie.lines_gap = &lines_ga;
- cmd_loop_cookie.current_line = current_line;
- cmd_loop_cookie.getline = fgetline;
- cmd_loop_cookie.cookie = cookie;
- cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
- } else {
- cmd_getline = fgetline;
- cmd_cookie = cookie;
- }
-
- /* 2. If no line given, get an allocated line with fgetline(). */
- if (next_cmdline == NULL) {
- /*
- * Need to set msg_didout for the first line after an ":if",
- * otherwise the ":if" will be overwritten.
- */
- if (count == 1 && getline_equal(fgetline, cookie, getexline))
- msg_didout = TRUE;
- if (fgetline == NULL || (next_cmdline = fgetline(':', cookie,
- cstack.cs_idx <
- 0 ? 0 : (cstack.cs_idx + 1) * 2
- )) == 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) {
- 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;
-
- /*
- * Save the current line when inside a ":while" or ":for", and when
- * the command looks like a ":while" or ":for", because we may need it
- * later. When there is a '|' and another command, it is stored
- * separately, because we need to be able to jump back to it from an
- * :endwhile/:endfor.
- */
- if (current_line == lines_ga.ga_len
- && (cstack.cs_looplevel || has_loop_cmd(next_cmdline))) {
- store_loop_line(&lines_ga, next_cmdline);
- }
- did_endif = FALSE;
-
- if (count++ == 0) {
- /*
- * All output from the commands is put below each other, without
- * waiting for a return. Don't do this when executing commands
- * from a script or when being called recursive (e.g. for ":e
- * +command file").
- */
- if (!(flags & DOCMD_NOWAIT) && !recursive) {
- msg_didout_before_start = msg_didout;
- msg_didany = FALSE; /* no output yet */
- msg_start();
- msg_scroll = TRUE; /* put messages below each other */
- ++no_wait_return; /* don't wait for return until finished */
- ++RedrawingDisabled;
- did_inc = TRUE;
- }
- }
-
- if (p_verbose >= 15 && sourcing_name != NULL) {
- ++no_wait_return;
- verbose_enter_scroll();
-
- smsg((char_u *)_("line %" PRId64 ": %s"),
- (int64_t)sourcing_lnum, cmdline_copy);
- if (msg_silent == 0)
- msg_puts((char_u *)"\n"); /* don't overwrite this */
-
- verbose_leave_scroll();
- --no_wait_return;
- }
-
- /*
- * 2. Execute one '|' separated command.
- * do_one_cmd() will return NULL if there is no trailing '|'.
- * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
- */
- ++recursive;
- next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
- &cstack,
- cmd_getline, cmd_cookie);
- --recursive;
-
- if (cmd_cookie == (void *)&cmd_loop_cookie)
- /* Use "current_line" from "cmd_loop_cookie", it may have been
- * incremented when defining a function. */
- current_line = cmd_loop_cookie.current_line;
-
- if (next_cmdline == NULL) {
- free(cmdline_copy);
- cmdline_copy = NULL;
- /*
- * If the command was typed, remember it for the ':' register.
- * Do this AFTER executing the command to make :@: work.
- */
- if (getline_equal(fgetline, cookie, getexline)
- && new_last_cmdline != NULL) {
- free(last_cmdline);
- last_cmdline = new_last_cmdline;
- new_last_cmdline = NULL;
- }
- } else {
- /* need to copy the command after the '|' to cmdline_copy, for the
- * next do_one_cmd() */
- STRMOVE(cmdline_copy, next_cmdline);
- next_cmdline = cmdline_copy;
- }
-
-
- /* reset did_emsg for a function that is not aborted by an error */
- if (did_emsg && !force_abort
- && getline_equal(fgetline, cookie, get_func_line)
- && !func_has_abort(real_cookie))
- did_emsg = FALSE;
-
- if (cstack.cs_looplevel > 0) {
- ++current_line;
-
- /*
- * An ":endwhile", ":endfor" and ":continue" is handled here.
- * If we were executing commands, jump back to the ":while" or
- * ":for".
- * If we were not executing commands, decrement cs_looplevel.
- */
- if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP)) {
- cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
-
- /* Jump back to the matching ":while" or ":for". Be careful
- * not to use a cs_line[] from an entry that isn't a ":while"
- * or ":for": It would make "current_line" invalid and can
- * cause a crash. */
- if (!did_emsg && !got_int && !did_throw
- && cstack.cs_idx >= 0
- && (cstack.cs_flags[cstack.cs_idx]
- & (CSF_WHILE | CSF_FOR))
- && cstack.cs_line[cstack.cs_idx] >= 0
- && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE)) {
- current_line = cstack.cs_line[cstack.cs_idx];
- /* remember we jumped there */
- cstack.cs_lflags |= CSL_HAD_LOOP;
- line_breakcheck(); /* check if CTRL-C typed */
-
- /* Check for the next breakpoint at or after the ":while"
- * or ":for". */
- if (breakpoint != NULL) {
- *breakpoint = dbg_find_breakpoint(
- getline_equal(fgetline, cookie, getsourceline),
- fname,
- ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
- *dbg_tick = debug_tick;
- }
- } else {
- /* can only get here with ":endwhile" or ":endfor" */
- if (cstack.cs_idx >= 0)
- rewind_conditionals(&cstack, cstack.cs_idx - 1,
- CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
- }
- }
- /*
- * For a ":while" or ":for" we need to remember the line number.
- */
- else if (cstack.cs_lflags & CSL_HAD_LOOP) {
- cstack.cs_lflags &= ~CSL_HAD_LOOP;
- cstack.cs_line[cstack.cs_idx] = current_line - 1;
- }
- }
-
- /*
- * When not inside any ":while" loop, clear remembered lines.
- */
- if (cstack.cs_looplevel == 0) {
- if (lines_ga.ga_len > 0) {
- sourcing_lnum =
- ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
- free_cmdlines(&lines_ga);
- }
- current_line = 0;
- }
-
- /*
- * A ":finally" makes did_emsg, got_int, and did_throw pending for
- * being restored at the ":endtry". Reset them here and set the
- * ACTIVE and FINALLY flags, so that the finally clause gets executed.
- * This includes the case where a missing ":endif", ":endwhile" or
- * ":endfor" was detected by the ":finally" itself.
- */
- if (cstack.cs_lflags & CSL_HAD_FINA) {
- cstack.cs_lflags &= ~CSL_HAD_FINA;
- report_make_pending(cstack.cs_pending[cstack.cs_idx]
- & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
- did_throw ? (void *)current_exception : NULL);
- did_emsg = got_int = did_throw = FALSE;
- cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
- }
-
- /* Update global "trylevel" for recursive calls to do_cmdline() from
- * within this loop. */
- trylevel = initial_trylevel + cstack.cs_trylevel;
-
- /*
- * If the outermost try conditional (across function calls and sourced
- * files) is aborted because of an error, an interrupt, or an uncaught
- * exception, cancel everything. If it is left normally, reset
- * force_abort to get the non-EH compatible abortion behavior for
- * the rest of the script.
- */
- if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
- force_abort = FALSE;
-
- /* Convert an interrupt to an exception if appropriate. */
- (void)do_intthrow(&cstack);
-
- }
- /*
- * Continue executing command lines when:
- * - no CTRL-C typed, no aborting error, no exception thrown or try
- * conditionals need to be checked for executing finally clauses or
- * catching an interrupt exception
- * - didn't get an error message or lines are not typed
- * - there is a command after '|', inside a :if, :while, :for or :try, or
- * looping for ":source" command or function call.
- */
- while (!((got_int
- || (did_emsg && force_abort) || did_throw
- )
- && cstack.cs_trylevel == 0
- )
- && !(did_emsg
- /* Keep going when inside try/catch, so that the error can be
- * deal with, except when it is a syntax error, it may cause
- * the :endtry to be missed. */
- && (cstack.cs_trylevel == 0 || did_emsg_syntax)
- && used_getline
- && (getline_equal(fgetline, cookie, getexmodeline)
- || getline_equal(fgetline, cookie, getexline)))
- && (next_cmdline != NULL
- || cstack.cs_idx >= 0
- || (flags & DOCMD_REPEAT)));
-
- free(cmdline_copy);
- did_emsg_syntax = FALSE;
- free_cmdlines(&lines_ga);
- ga_clear(&lines_ga);
-
- if (cstack.cs_idx >= 0) {
- /*
- * If a sourced file or executed function ran to its end, report the
- * unclosed conditional.
- */
- if (!got_int && !did_throw
- && ((getline_equal(fgetline, cookie, getsourceline)
- && !source_finished(fgetline, cookie))
- || (getline_equal(fgetline, cookie, get_func_line)
- && !func_has_ended(real_cookie)))) {
- if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
- EMSG(_(e_endtry));
- else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
- EMSG(_(e_endwhile));
- else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
- EMSG(_(e_endfor));
- else
- EMSG(_(e_endif));
- }
-
- /*
- * Reset "trylevel" in case of a ":finish" or ":return" or a missing
- * ":endtry" in a sourced file or executed function. If the try
- * conditional is in its finally clause, ignore anything pending.
- * If it is in a catch clause, finish the caught exception.
- * Also cleanup any "cs_forinfo" structures.
- */
- do {
- int idx = cleanup_conditionals(&cstack, 0, TRUE);
-
- if (idx >= 0)
- --idx; /* remove try block not in its finally clause */
- rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
- &cstack.cs_looplevel);
- } while (cstack.cs_idx >= 0);
- trylevel = initial_trylevel;
- }
-
- /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
- * lack was reported above and the error message is to be converted to an
- * exception, do this now after rewinding the cstack. */
- do_errthrow(&cstack, getline_equal(fgetline, cookie, get_func_line)
- ? (char_u *)"endfunction" : (char_u *)NULL);
-
- if (trylevel == 0) {
- /*
- * When an exception is being thrown out of the outermost try
- * conditional, discard the uncaught exception, disable the conversion
- * of interrupts or errors to exceptions, and ensure that no more
- * commands are executed.
- */
- if (did_throw) {
- void *p = NULL;
- char_u *saved_sourcing_name;
- int saved_sourcing_lnum;
- struct msglist *messages = NULL, *next;
-
- /*
- * If the uncaught exception is a user exception, report it as an
- * error. If it is an error exception, display the saved error
- * message now. For an interrupt exception, do nothing; the
- * interrupt message is given elsewhere.
- */
- switch (current_exception->type) {
- case ET_USER:
- vim_snprintf((char *)IObuff, IOSIZE,
- _("E605: Exception not caught: %s"),
- current_exception->value);
- p = vim_strsave(IObuff);
- break;
- case ET_ERROR:
- messages = current_exception->messages;
- current_exception->messages = NULL;
- break;
- case ET_INTERRUPT:
- break;
- default:
- p = vim_strsave((char_u *)_(e_internal));
- }
-
- saved_sourcing_name = sourcing_name;
- saved_sourcing_lnum = sourcing_lnum;
- sourcing_name = current_exception->throw_name;
- sourcing_lnum = current_exception->throw_lnum;
- current_exception->throw_name = NULL;
-
- discard_current_exception(); /* uses IObuff if 'verbose' */
- suppress_errthrow = TRUE;
- force_abort = TRUE;
-
- if (messages != NULL) {
- do {
- next = messages->next;
- emsg(messages->msg);
- free(messages->msg);
- free(messages);
- messages = next;
- } while (messages != NULL);
- } else if (p != NULL) {
- emsg(p);
- free(p);
- }
- 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(fgetline, cookie, getsourceline)
- && ex_nesting_level > source_level(real_cookie))
- || (getline_equal(fgetline, cookie, get_func_line)
- && ex_nesting_level > func_level(real_cookie) + 1)) {
- if (!did_throw)
- check_cstack = TRUE;
- } else {
- /* When leaving a function, reduce nesting level. */
- if (getline_equal(fgetline, cookie, get_func_line))
- --ex_nesting_level;
- /*
- * Go to debug mode when returning from a function in which we are
- * single-stepping.
- */
- if ((getline_equal(fgetline, cookie, getsourceline)
- || getline_equal(fgetline, cookie, get_func_line))
- && ex_nesting_level + 1 <= debug_break_level)
- do_debug(getline_equal(fgetline, cookie, getsourceline)
- ? (char_u *)_("End of sourced file")
- : (char_u *)_("End of function"));
- }
-
- /*
- * Restore the exception environment (done after returning from the
- * debugger).
- */
- if (flags & DOCMD_EXCRESET)
- restore_dbg_stuff(&debug_saved);
-
- msg_list = saved_msg_list;
-
- /*
- * 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
- || (did_endif && KeyTyped && !did_emsg)
- ) {
- 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);
- }
- }
-
- did_endif = FALSE; /* in case do_cmdline used recursively */
-
- --call_depth;
- return retval;
-}
-
-/*
- * Obtain a line when inside a ":while" or ":for" loop.
- */
-static char_u *get_loop_line(int c, void *cookie, int indent)
-{
- struct loop_cookie *cp = (struct loop_cookie *)cookie;
- wcmd_T *wp;
- char_u *line;
-
- if (cp->current_line + 1 >= cp->lines_gap->ga_len) {
- if (cp->repeating)
- return NULL; /* trying to read past ":endwhile"/":endfor" */
-
- /* First time inside the ":while"/":for": get line normally. */
- if (cp->getline == NULL)
- line = getcmdline(c, 0L, indent);
- else
- line = cp->getline(c, cp->cookie, indent);
- if (line != NULL) {
- store_loop_line(cp->lines_gap, line);
- ++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 void store_loop_line(garray_T *gap, char_u *line)
-{
- ga_grow(gap, 1);
- ((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;
-}
-
-/*
- * Free the lines stored for a ":while" or ":for" loop.
- */
-static void free_cmdlines(garray_T *gap)
-{
- while (gap->ga_len > 0) {
- free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
- --gap->ga_len;
- }
-}
-
-/*
- * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
- * "func". * Otherwise return TRUE when "fgetline" equals "func".
- */
-int getline_equal(fgetline, cookie, func)
-char_u *(*fgetline)(int, void *, int);
-void *cookie; /* argument for fgetline() */
-char_u *(*func)(int, void *, int);
-{
- char_u *(*gp)(int, void *, int);
- struct loop_cookie *cp;
-
- /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
- * function that's originally used to obtain the lines. This may be
- * nested several levels. */
- gp = fgetline;
- cp = (struct loop_cookie *)cookie;
- while (gp == get_loop_line) {
- gp = cp->getline;
- cp = cp->cookie;
- }
- return gp == func;
-}
-
-/*
- * If "fgetline" is get_loop_line(), return the cookie used by the original
- * getline function. Otherwise return "cookie".
- */
-void * getline_cookie(fgetline, cookie)
-char_u *(*fgetline)(int, void *, int);
-void *cookie; /* argument for fgetline() */
-{
- char_u *(*gp)(int, void *, int);
- struct loop_cookie *cp;
-
- /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
- * cookie that's originally used to obtain the lines. This may be nested
- * several levels. */
- gp = fgetline;
- cp = (struct loop_cookie *)cookie;
- while (gp == get_loop_line) {
- gp = cp->getline;
- cp = cp->cookie;
- }
- return cp;
-}
-
-/*
- * Execute one Ex command.
- *
- * If 'sourcing' is TRUE, the command will be included in the error message.
- *
- * 1. skip comment lines and leading space
- * 2. handle command modifiers
- * 3. parse range
- * 4. parse command
- * 5. parse arguments
- * 6. switch on command name
- *
- * Note: "fgetline" can be NULL.
- *
- * This function may be called recursively!
- */
-static char_u * do_one_cmd(cmdlinep, sourcing,
- cstack,
- fgetline, cookie)
-char_u **cmdlinep;
-int sourcing;
-struct condstack *cstack;
-char_u *(*fgetline)(int, void *, int);
-void *cookie; /*argument for fgetline() */
-{
- char_u *p;
- linenr_T lnum;
- long n;
- char_u *errormsg = NULL; /* error message */
- exarg_T ea; /* Ex command arguments */
- long verbose_save = -1;
- int save_msg_scroll = msg_scroll;
- int save_msg_silent = -1;
- int did_esilent = 0;
-#ifdef HAVE_SANDBOX
- int did_sandbox = FALSE;
-#endif
- cmdmod_T save_cmdmod;
- int ni; /* set when Not Implemented */
-
- memset(&ea, 0, sizeof(ea));
- ea.line1 = 1;
- ea.line2 = 1;
- ++ex_nesting_level;
-
- /* When the last file has not been edited :q has to be typed twice. */
- if (quitmore
- /* avoid that a function call in 'statusline' does this */
- && !getline_equal(fgetline, cookie, get_func_line)
- /* avoid that an autocommand, e.g. QuitPre, does this */
- && !getline_equal(fgetline, cookie, getnextac)
- )
- --quitmore;
-
- /*
- * Reset browse, confirm, etc.. They are restored when returning, for
- * recursive calls.
- */
- save_cmdmod = cmdmod;
- memset(&cmdmod, 0, sizeof(cmdmod));
-
- /* "#!anything" is handled like a comment. */
- if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
- goto doend;
-
- /*
- * Repeat until no more command modifiers are found.
- */
- ea.cmd = *cmdlinep;
- for (;; ) {
- /*
- * 1. skip comment lines and leading white space and colons
- */
- while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
- ++ea.cmd;
-
- /* in ex mode, an empty line works like :+ */
- if (*ea.cmd == NUL && exmode_active
- && (getline_equal(fgetline, cookie, getexmodeline)
- || getline_equal(fgetline, cookie, getexline))
- && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) {
- ea.cmd = (char_u *)"+";
- ex_pressedreturn = TRUE;
- }
-
- /* ignore comment and empty lines */
- if (*ea.cmd == '"')
- goto doend;
- if (*ea.cmd == NUL) {
- ex_pressedreturn = TRUE;
- goto doend;
- }
-
- /*
- * 2. handle command modifiers.
- */
- p = ea.cmd;
- if (VIM_ISDIGIT(*ea.cmd))
- p = skipwhite(skipdigits(ea.cmd));
- switch (*p) {
- /* When adding an entry, also modify cmd_exists(). */
- case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
- break;
- cmdmod.split |= WSP_ABOVE;
- continue;
-
- case 'b': if (checkforcmd(&ea.cmd, "belowright", 3)) {
- cmdmod.split |= WSP_BELOW;
- continue;
- }
- if (checkforcmd(&ea.cmd, "browse", 3)) {
- continue;
- }
- if (!checkforcmd(&ea.cmd, "botright", 2))
- break;
- cmdmod.split |= WSP_BOT;
- continue;
-
- case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
- break;
- cmdmod.confirm = TRUE;
- continue;
-
- case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3)) {
- cmdmod.keepmarks = TRUE;
- continue;
- }
- if (checkforcmd(&ea.cmd, "keepalt", 5)) {
- cmdmod.keepalt = TRUE;
- continue;
- }
- if (checkforcmd(&ea.cmd, "keeppatterns", 5)) {
- cmdmod.keeppatterns = 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;
- cmdmod.split |= WSP_ABOVE;
- continue;
-
- case 'n':
- if (checkforcmd(&ea.cmd, "noautocmd", 3)) {
- if (cmdmod.save_ei == NULL) {
- /* Set 'eventignore' to "all". Restore the
- * existing option value later. */
- cmdmod.save_ei = vim_strsave(p_ei);
- set_string_option_direct(
- (char_u *)"ei", -1, (char_u *)"all", OPT_FREE, SID_NONE);
- }
- continue;
- }
- if (!checkforcmd(&ea.cmd, "noswapfile", 6)) {
- break;
- }
- cmdmod.noswapfile = true;
- continue;
-
- case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
- break;
- cmdmod.split |= WSP_BELOW;
- continue;
-
- case 's': if (checkforcmd(&ea.cmd, "sandbox", 3)) {
-#ifdef HAVE_SANDBOX
- if (!did_sandbox)
- ++sandbox;
- did_sandbox = TRUE;
-#endif
- continue;
- }
- if (!checkforcmd(&ea.cmd, "silent", 3))
- break;
- if (save_msg_silent == -1)
- save_msg_silent = msg_silent;
- ++msg_silent;
- if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1])) {
- /* ":silent!", but not "silent !cmd" */
- ea.cmd = skipwhite(ea.cmd + 1);
- ++emsg_silent;
- ++did_esilent;
- }
- continue;
-
- case 't': if (checkforcmd(&p, "tab", 3)) {
- if (vim_isdigit(*ea.cmd))
- cmdmod.tab = atoi((char *)ea.cmd) + 1;
- else
- cmdmod.tab = tabpage_index(curtab) + 1;
- ea.cmd = p;
- continue;
- }
- if (!checkforcmd(&ea.cmd, "topleft", 2))
- break;
- cmdmod.split |= WSP_TOP;
- continue;
-
- case 'u': if (!checkforcmd(&ea.cmd, "unsilent", 3))
- break;
- if (save_msg_silent == -1)
- save_msg_silent = msg_silent;
- msg_silent = 0;
- continue;
-
- case 'v': if (checkforcmd(&ea.cmd, "vertical", 4)) {
- cmdmod.split |= WSP_VERT;
- continue;
- }
- if (!checkforcmd(&p, "verbose", 4))
- break;
- if (verbose_save < 0)
- verbose_save = p_verbose;
- if (vim_isdigit(*ea.cmd))
- p_verbose = atoi((char *)ea.cmd);
- else
- p_verbose = 1;
- ea.cmd = p;
- continue;
- }
- break;
- }
-
- ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
- && !(cstack->cs_flags[cstack->
- cs_idx]
- & CSF_ACTIVE));
-
- /* Count this line for profiling if ea.skip is FALSE. */
- if (do_profiling == PROF_YES && !ea.skip) {
- if (getline_equal(fgetline, cookie, get_func_line))
- func_line_exec(getline_cookie(fgetline, cookie));
- else if (getline_equal(fgetline, cookie, getsourceline))
- script_line_exec();
- }
-
- /* 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);
- }
-
- /*
- * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
- *
- * where 'addr' is:
- *
- * % (entire file)
- * $ [+-NUM]
- * 'x [+-NUM] (where x denotes a currently defined mark)
- * . [+-NUM]
- * [+-NUM]..
- * NUM
- *
- * The ea.cmd pointer is updated to point to the first character following the
- * range spec. If an initial address is found, but no second, the upper bound
- * is equal to the lower.
- */
-
- /* repeat for all ',' or ';' separated addresses */
- for (;; ) {
- ea.line1 = ea.line2;
- ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
- ea.cmd = skipwhite(ea.cmd);
- lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
- if (ea.cmd == NULL) /* error detected */
- goto doend;
- if (lnum == MAXLNUM) {
- if (*ea.cmd == '%') { /* '%' - all lines */
- ++ea.cmd;
- ea.line1 = 1;
- ea.line2 = curbuf->b_ml.ml_line_count;
- ++ea.addr_count;
- }
- /* '*' - visual area */
- else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL) {
- pos_T *fp;
-
- ++ea.cmd;
- if (!ea.skip) {
- fp = getmark('<', FALSE);
- if (check_mark(fp) == FAIL)
- goto doend;
- ea.line1 = fp->lnum;
- fp = getmark('>', FALSE);
- if (check_mark(fp) == FAIL)
- goto doend;
- ea.line2 = fp->lnum;
- ++ea.addr_count;
- }
- }
- } else
- ea.line2 = lnum;
- ea.addr_count++;
-
- if (*ea.cmd == ';') {
- if (!ea.skip)
- curwin->w_cursor.lnum = ea.line2;
- } else if (*ea.cmd != ',')
- break;
- ++ea.cmd;
- }
-
- /* One address given: set start and end lines */
- if (ea.addr_count == 1) {
- ea.line1 = ea.line2;
- /* ... but only implicit: really no address given */
- if (lnum == MAXLNUM)
- ea.addr_count = 0;
- }
-
- /* Don't leave the cursor on an illegal line (caused by ';') */
- check_cursor_lnum();
-
- /*
- * 4. parse command
- */
-
- /*
- * Skip ':' and any white space
- */
- ea.cmd = skipwhite(ea.cmd);
- while (*ea.cmd == ':')
- ea.cmd = skipwhite(ea.cmd + 1);
-
- /*
- * If we got a line, but no command, then go to the line.
- * If we find a '|' or '\n' we set ea.nextcmd.
- */
- if (*ea.cmd == NUL || *ea.cmd == '"' ||
- (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL) {
- /*
- * strange vi behaviour:
- * ":3" jumps to line 3
- * ":3|..." prints line 3
- * ":|" prints current line
- */
- if (ea.skip) /* skip this if inside :if */
- goto doend;
- if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2)) {
- ea.cmdidx = CMD_print;
- ea.argt = RANGE+COUNT+TRLBAR;
- if ((errormsg = invalid_range(&ea)) == NULL) {
- correct_range(&ea);
- ex_print(&ea);
- }
- } else if (ea.addr_count != 0) {
- if (ea.line2 > curbuf->b_ml.ml_line_count) {
- /* With '-' in 'cpoptions' a line number past the file is an
- * error, otherwise put it at the end of the file. */
- if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
- ea.line2 = -1;
- else
- ea.line2 = curbuf->b_ml.ml_line_count;
- }
-
- if (ea.line2 < 0)
- errormsg = (char_u *)_(e_invrange);
- else {
- if (ea.line2 == 0)
- curwin->w_cursor.lnum = 1;
- else
- curwin->w_cursor.lnum = ea.line2;
- beginline(BL_SOL | BL_FIX);
- }
- }
- goto doend;
- }
-
- /* Find the command and let "p" point to after it. */
- p = find_command(&ea, NULL);
-
- 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;
- }
- if (ea.cmdidx == CMD_SIZE) {
- if (!ea.skip) {
- STRCPY(IObuff, _("E492: Not an editor command"));
- if (!sourcing)
- append_command(*cmdlinep);
- errormsg = IObuff;
- did_emsg_syntax = TRUE;
- }
- goto doend;
- }
-
- ni = (
- !USER_CMDIDX(ea.cmdidx) &&
- (cmdnames[ea.cmdidx].cmd_func == ex_ni
-#ifdef HAVE_EX_SCRIPT_NI
- || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
-#endif
- ));
-
-
- /* forced commands */
- if (*p == '!' && ea.cmdidx != CMD_substitute
- && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic) {
- ++p;
- ea.forceit = TRUE;
- } else
- ea.forceit = FALSE;
-
- /*
- * 5. parse arguments
- */
- if (!USER_CMDIDX(ea.cmdidx))
- ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
-
- if (!ea.skip) {
-#ifdef HAVE_SANDBOX
- if (sandbox != 0 && !(ea.argt & SBOXOK)) {
- /* Command not allowed in sandbox. */
- errormsg = (char_u *)_(e_sandbox);
- goto doend;
- }
-#endif
- if (!curbuf->b_p_ma && (ea.argt & MODIFY)) {
- /* Command not allowed in non-'modifiable' buffer */
- errormsg = (char_u *)_(e_modifiable);
- goto doend;
- }
-
- if (text_locked() && !(ea.argt & CMDWIN)
- && !USER_CMDIDX(ea.cmdidx)
- ) {
- /* Command not allowed when editing the command line. */
- if (cmdwin_type != 0)
- errormsg = (char_u *)_(e_cmdwin);
- else
- errormsg = (char_u *)_(e_secure);
- goto doend;
- }
- /* Disallow editing another buffer when "curbuf_lock" is set.
- * Do allow ":edit" (check for argument later).
- * Do allow ":checktime" (it's postponed). */
- if (!(ea.argt & CMDWIN)
- && ea.cmdidx != CMD_edit
- && ea.cmdidx != CMD_checktime
- && !USER_CMDIDX(ea.cmdidx)
- && curbuf_locked())
- goto doend;
-
- if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0) {
- /* no range allowed */
- errormsg = (char_u *)_(e_norange);
- goto doend;
- }
- }
-
- if (!ni && !(ea.argt & BANG) && ea.forceit) { /* no <!> allowed */
- errormsg = (char_u *)_(e_nobang);
- goto doend;
- }
-
- /*
- * Don't complain about the range if it is not used
- * (could happen if line_count is accidentally set to 0).
- */
- if (!ea.skip && !ni) {
- /*
- * If the range is backwards, ask for confirmation and, if given, swap
- * ea.line1 & ea.line2 so it's forwards again.
- * When global command is busy, don't ask, will fail below.
- */
- if (!global_busy && ea.line1 > ea.line2) {
- if (msg_silent == 0) {
- if (sourcing || exmode_active) {
- errormsg = (char_u *)_("E493: Backwards range given");
- goto doend;
- }
- if (ask_yesno((char_u *)
- _("Backwards range given, OK to swap"), FALSE) != 'y')
- goto doend;
- }
- lnum = ea.line1;
- ea.line1 = ea.line2;
- ea.line2 = lnum;
- }
- if ((errormsg = invalid_range(&ea)) != NULL)
- goto doend;
- }
-
- if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
- ea.line2 = 1;
-
- correct_range(&ea);
-
- 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);
- }
-
- /*
- * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
- * option here, so things like % get expanded.
- */
- p = replace_makeprg(&ea, p, cmdlinep);
- if (p == NULL)
- goto doend;
-
- /*
- * Skip to start of argument.
- * Don't do this for the ":!" command, because ":!! -l" needs the space.
- */
- if (ea.cmdidx == CMD_bang)
- ea.arg = p;
- else
- ea.arg = skipwhite(p);
-
- /*
- * Check for "++opt=val" argument.
- * Must be first, allow ":w ++enc=utf8 !cmd"
- */
- if (ea.argt & ARGOPT)
- while (ea.arg[0] == '+' && ea.arg[1] == '+')
- if (getargopt(&ea) == FAIL && !ni) {
- errormsg = (char_u *)_(e_invarg);
- goto doend;
- }
-
- if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update) {
- if (*ea.arg == '>') { /* append */
- if (*++ea.arg != '>') { /* typed wrong */
- errormsg = (char_u *)_("E494: Use w or w>>");
- goto doend;
- }
- ea.arg = skipwhite(ea.arg + 1);
- ea.append = TRUE;
- } else if (*ea.arg == '!' && ea.cmdidx == CMD_write) { /* :w !filter */
- ++ea.arg;
- ea.usefilter = TRUE;
- }
- }
-
- if (ea.cmdidx == CMD_read) {
- if (ea.forceit) {
- ea.usefilter = TRUE; /* :r! filter if ea.forceit */
- ea.forceit = FALSE;
- } else if (*ea.arg == '!') { /* :r !filter */
- ++ea.arg;
- ea.usefilter = TRUE;
- }
- }
-
- if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift) {
- ea.amount = 1;
- while (*ea.arg == *ea.cmd) { /* count number of '>' or '<' */
- ++ea.arg;
- ++ea.amount;
- }
- ea.arg = skipwhite(ea.arg);
- }
-
- /*
- * Check for "+command" argument, before checking for next command.
- * Don't do this for ":read !cmd" and ":write !cmd".
- */
- if ((ea.argt & EDITCMD) && !ea.usefilter)
- ea.do_ecmd_cmd = getargcmd(&ea.arg);
-
- /*
- * Check for '|' to separate commands and '"' to start comments.
- * Don't do this for ":read !cmd" and ":write !cmd".
- */
- if ((ea.argt & TRLBAR) && !ea.usefilter)
- separate_nextcmd(&ea);
-
- /*
- * Check for <newline> to end a shell command.
- * Also do this for ":read !cmd", ":write !cmd" and ":global".
- * Any others?
- */
- else if (ea.cmdidx == CMD_bang
- || ea.cmdidx == CMD_global
- || ea.cmdidx == CMD_vglobal
- || ea.usefilter) {
- for (p = ea.arg; *p; ++p) {
- /* Remove one backslash before a newline, so that it's possible to
- * pass a newline to the shell and also a newline that is preceded
- * with a backslash. This makes it impossible to end a shell
- * command in a backslash, but that doesn't appear useful.
- * Halving the number of backslashes is incompatible with previous
- * versions. */
- if (*p == '\\' && p[1] == '\n')
- STRMOVE(p, p + 1);
- else if (*p == '\n') {
- ea.nextcmd = p + 1;
- *p = NUL;
- break;
- }
- }
- }
-
- if ((ea.argt & DFLALL) && ea.addr_count == 0) {
- ea.line1 = 1;
- ea.line2 = curbuf->b_ml.ml_line_count;
- }
-
- /* accept numbered register only when no count allowed (:put) */
- if ( (ea.argt & REGSTR)
- && *ea.arg != NUL
- /* Do not allow register = for user commands */
- && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
- && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg))) {
- /* check these explicitly for a more specific error message */
- if (*ea.arg == '*' || *ea.arg == '+') {
- errormsg = (char_u *)_(e_invalidreg);
- goto doend;
- }
- if (
- valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
- && USER_CMDIDX(ea.cmdidx)))
- ) {
- ea.regname = *ea.arg++;
- /* 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);
- }
- ea.arg = skipwhite(ea.arg);
- }
- }
-
- /*
- * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
- * count, it's a buffer name.
- */
- if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
- && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
- || vim_iswhite(*p))) {
- n = getdigits(&ea.arg);
- ea.arg = skipwhite(ea.arg);
- if (n <= 0 && !ni && (ea.argt & ZEROR) == 0) {
- errormsg = (char_u *)_(e_zerocount);
- goto doend;
- }
- if (ea.argt & NOTADR) { /* e.g. :buffer 2, :sleep 3 */
- ea.line2 = n;
- if (ea.addr_count == 0)
- ea.addr_count = 1;
- } else {
- ea.line1 = ea.line2;
- ea.line2 += n - 1;
- ++ea.addr_count;
- /*
- * Be vi compatible: no error message for out of range.
- */
- if (ea.line2 > curbuf->b_ml.ml_line_count)
- ea.line2 = curbuf->b_ml.ml_line_count;
- }
- }
-
- /*
- * Check for flags: 'l', 'p' and '#'.
- */
- if (ea.argt & EXFLAGS)
- get_flags(&ea);
- /* no arguments allowed */
- if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
- && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0)) {
- errormsg = (char_u *)_(e_trailing);
- goto doend;
- }
-
- if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL) {
- errormsg = (char_u *)_(e_argreq);
- goto doend;
- }
-
- /*
- * Skip the command when it's not going to be executed.
- * The commands like :if, :endif, etc. always need to be executed.
- * Also make an exception for commands that handle a trailing command
- * themselves.
- */
- if (ea.skip) {
- switch (ea.cmdidx) {
- /* commands that need evaluation */
- case CMD_while:
- case CMD_endwhile:
- case CMD_for:
- case CMD_endfor:
- case CMD_if:
- case CMD_elseif:
- case CMD_else:
- case CMD_endif:
- case CMD_try:
- case CMD_catch:
- case CMD_finally:
- case CMD_endtry:
- case CMD_function:
- break;
-
- /* Commands that handle '|' themselves. Check: A command should
- * either have the TRLBAR flag, appear in this list or appear in
- * the list at ":help :bar". */
- case CMD_aboveleft:
- case CMD_and:
- case CMD_belowright:
- case CMD_botright:
- case CMD_browse:
- case CMD_call:
- case CMD_confirm:
- case CMD_delfunction:
- case CMD_djump:
- case CMD_dlist:
- case CMD_dsearch:
- case CMD_dsplit:
- case CMD_echo:
- case CMD_echoerr:
- case CMD_echomsg:
- case CMD_echon:
- case CMD_execute:
- case CMD_help:
- case CMD_hide:
- case CMD_ijump:
- case CMD_ilist:
- case CMD_isearch:
- case CMD_isplit:
- case CMD_keepalt:
- case CMD_keepjumps:
- case CMD_keepmarks:
- case CMD_keeppatterns:
- case CMD_leftabove:
- case CMD_let:
- case CMD_lockmarks:
- case CMD_match:
- case CMD_noautocmd:
- case CMD_noswapfile:
- case CMD_psearch:
- case CMD_return:
- case CMD_rightbelow:
- case CMD_silent:
- case CMD_smagic:
- case CMD_snomagic:
- case CMD_substitute:
- case CMD_syntax:
- case CMD_tab:
- case CMD_throw:
- case CMD_tilde:
- case CMD_topleft:
- case CMD_unlet:
- case CMD_verbose:
- case CMD_vertical:
- case CMD_wincmd:
- break;
-
- default: goto doend;
- }
- }
-
- if (ea.argt & XFILE) {
- if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
- goto doend;
- }
-
- /*
- * Accept buffer name. Cannot be used at the same time with a buffer
- * number. Don't do this for a user command.
- */
- if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
- && !USER_CMDIDX(ea.cmdidx)
- ) {
- /*
- * :bdelete, :bwipeout and :bunload take several arguments, separated
- * by spaces: find next space (skipping over escaped characters).
- * The others take one argument: ignore trailing spaces.
- */
- if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
- || ea.cmdidx == CMD_bunload)
- p = skiptowhite_esc(ea.arg);
- else {
- p = ea.arg + STRLEN(ea.arg);
- while (p > ea.arg && vim_iswhite(p[-1]))
- --p;
- }
- ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0,
- FALSE, FALSE);
- if (ea.line2 < 0) /* failed */
- goto doend;
- ea.addr_count = 1;
- ea.arg = skipwhite(p);
- }
-
- /*
- * 6. switch on command name
- *
- * The "ea" structure holds the arguments that can be used.
- */
- ea.cmdlinep = cmdlinep;
- ea.getline = fgetline;
- ea.cookie = cookie;
- ea.cstack = cstack;
-
- if (USER_CMDIDX(ea.cmdidx)) {
- /*
- * Execute a user-defined command.
- */
- do_ucmd(&ea);
- } else {
- /*
- * 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);
- }
-
- /*
- * If the command just executed called do_cmdline(), any throw or ":return"
- * or ":finish" encountered there must also check the cstack of the still
- * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
- * exception, or reanimate a returned function or finished script file and
- * return or finish it again.
- */
- if (need_rethrow)
- do_throw(cstack);
- else if (check_cstack) {
- if (source_finished(fgetline, cookie))
- do_finish(&ea, TRUE);
- else if (getline_equal(fgetline, cookie, get_func_line)
- && current_func_returned())
- do_return(&ea, TRUE, FALSE, NULL);
- }
- need_rethrow = check_cstack = FALSE;
-
-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;
- }
- append_command(*cmdlinep);
- }
- emsg(errormsg);
- }
- do_errthrow(cstack,
- (ea.cmdidx != CMD_SIZE
- && !USER_CMDIDX(ea.cmdidx)
- ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
-
- if (verbose_save >= 0)
- p_verbose = verbose_save;
- if (cmdmod.save_ei != NULL) {
- /* Restore 'eventignore' to the value before ":noautocmd". */
- set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
- OPT_FREE, SID_NONE);
- free_string_option(cmdmod.save_ei);
- }
-
- cmdmod = save_cmdmod;
-
- if (save_msg_silent != -1) {
- /* messages could be enabled for a serious error, need to check if the
- * counters don't become negative */
- if (!did_emsg || msg_silent > save_msg_silent)
- msg_silent = save_msg_silent;
- emsg_silent -= did_esilent;
- if (emsg_silent < 0)
- emsg_silent = 0;
- /* Restore msg_scroll, it's set by file I/O commands, even when no
- * message is actually displayed. */
- msg_scroll = save_msg_scroll;
-
- /* "silent reg" or "silent echo x" inside "redir" leaves msg_col
- * somewhere in the line. Put it back in the first column. */
- if (redirecting())
- msg_col = 0;
- }
-
-#ifdef HAVE_SANDBOX
- if (did_sandbox)
- --sandbox;
-#endif
-
- if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
- ea.nextcmd = NULL;
-
- --ex_nesting_level;
-
- return ea.nextcmd;
-}
-
-/*
- * Check for an Ex command with optional tail.
- * If there is a match advance "pp" to the argument and return TRUE.
- */
-int
-checkforcmd (
- char_u **pp, /* start of command */
- char *cmd, /* name of command */
- int len /* required length */
-)
-{
- int i;
-
- for (i = 0; cmd[i] != NUL; ++i)
- if (((char_u *)cmd)[i] != (*pp)[i])
- break;
- if (i >= len && !isalpha((*pp)[i])) {
- *pp = skipwhite(*pp + i);
- return TRUE;
- }
- return FALSE;
-}
-
-/*
- * Append "cmd" to the error message in IObuff.
- * Takes care of limiting the length and handling 0xa0, which would be
- * invisible otherwise.
- */
-static void append_command(char_u *cmd)
-{
- char_u *s = cmd;
- char_u *d;
-
- STRCAT(IObuff, ": ");
- d = IObuff + STRLEN(IObuff);
- while (*s != NUL && d - IObuff < IOSIZE - 7) {
- if (
- enc_utf8 ? (s[0] == 0xc2 && s[1] == 0xa0) :
- *s == 0xa0) {
- s +=
- enc_utf8 ? 2 :
- 1;
- STRCPY(d, "<a0>");
- d += 4;
- } else
- MB_COPY_CHAR(s, d);
- }
- *d = NUL;
-}
-
-/*
- * Find an Ex command by its name, either built-in or user.
- * Start of the name can be found at eap->cmd.
- * Returns pointer to char after the command name.
- * "full" is set to TRUE if the whole command name matched.
- * Returns NULL for an ambiguous user command.
- */
-static char_u *find_command(exarg_T *eap, int *full)
-{
- int len;
- char_u *p;
- int i;
-
- /*
- * Isolate the command and search for it in the command table.
- * Exceptions:
- * - the 'k' command can directly be followed by any character.
- * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
- * but :sre[wind] is another command, as are :scrip[tnames],
- * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
- * - the "d" command can directly be followed by 'l' or 'p' flag.
- */
- p = eap->cmd;
- if (*p == 'k') {
- eap->cmdidx = CMD_k;
- ++p;
- } else if (p[0] == 's'
- && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
- && p[3] != 'i' && p[4] != 'p')
- || p[1] == 'g'
- || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
- || p[1] == 'I'
- || (p[1] == 'r' && p[2] != 'e'))) {
- eap->cmdidx = CMD_substitute;
- ++p;
- } else {
- while (ASCII_ISALPHA(*p))
- ++p;
- /* for python 3.x support ":py3", ":python3", ":py3file", etc. */
- if (eap->cmd[0] == 'p' && eap->cmd[1] == 'y')
- while (ASCII_ISALNUM(*p))
- ++p;
-
- /* check for non-alpha command */
- if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
- ++p;
- len = (int)(p - eap->cmd);
- if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p')) {
- /* Check for ":dl", ":dell", etc. to ":deletel": that's
- * :delete with the 'l' flag. Same for 'p'. */
- for (i = 0; i < len; ++i)
- if (eap->cmd[i] != ((char_u *)"delete")[i])
- break;
- if (i == len - 1) {
- --len;
- if (p[-1] == 'l')
- eap->flags |= EXFLAG_LIST;
- else
- eap->flags |= EXFLAG_PRINT;
- }
- }
-
- if (ASCII_ISLOWER(*eap->cmd))
- 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) {
- if (full != NULL
- && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
- *full = TRUE;
- break;
- }
-
- /* Look for a user defined command as a last resort. Let ":Print" be
- * overruled by a user defined command. */
- if ((eap->cmdidx == CMD_SIZE || eap->cmdidx == CMD_Print)
- && *eap->cmd >= 'A' && *eap->cmd <= 'Z') {
- /* User defined commands may contain digits. */
- while (ASCII_ISALNUM(*p))
- ++p;
- p = find_ucmd(eap, p, full, NULL, NULL);
- }
- if (p == eap->cmd)
- eap->cmdidx = CMD_SIZE;
- }
-
- return p;
-}
-
-/*
- * Search for a user command that matches "eap->cmd".
- * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
- * Return a pointer to just after the command.
- * Return NULL if there is no matching command.
- */
-static char_u *
-find_ucmd (
- exarg_T *eap,
- char_u *p, /* end of the command (possibly including count) */
- int *full, /* set to TRUE for a full match */
- expand_T *xp, /* used for completion, NULL otherwise */
- int *compl /* completion flags or NULL */
-)
-{
- int len = (int)(p - eap->cmd);
- int j, k, matchlen = 0;
- ucmd_T *uc;
- int found = FALSE;
- int possible = FALSE;
- char_u *cp, *np; /* Point into typed cmd and test name */
- garray_T *gap;
- int amb_local = FALSE; /* Found ambiguous buffer-local command,
- only full match global is accepted. */
-
- /*
- * Look for buffer-local user commands first, then global ones.
- */
- gap = &curbuf->b_ucmds;
- for (;; ) {
- for (j = 0; j < gap->ga_len; ++j) {
- uc = USER_CMD_GA(gap, j);
- cp = eap->cmd;
- np = uc->uc_name;
- k = 0;
- while (k < len && *np != NUL && *cp++ == *np++)
- k++;
- if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k]))) {
- /* If finding a second match, the command is ambiguous. But
- * not if a buffer-local command wasn't a full match and a
- * global command is a full match. */
- if (k == len && found && *np != NUL) {
- if (gap == &ucmds)
- return NULL;
- amb_local = TRUE;
- }
-
- if (!found || (k == len && *np == NUL)) {
- /* If we matched up to a digit, then there could
- * be another command including the digit that we
- * should use instead.
- */
- if (k == len)
- found = TRUE;
- else
- possible = TRUE;
-
- if (gap == &ucmds)
- eap->cmdidx = CMD_USER;
- else
- eap->cmdidx = CMD_USER_BUF;
- eap->argt = (long)uc->uc_argt;
- eap->useridx = j;
-
- if (compl != NULL)
- *compl = uc->uc_compl;
- if (xp != NULL) {
- xp->xp_arg = uc->uc_compl_arg;
- xp->xp_scriptID = uc->uc_scriptID;
- }
- /* Do not search for further abbreviations
- * if this is an exact match. */
- matchlen = k;
- if (k == len && *np == NUL) {
- if (full != NULL)
- *full = TRUE;
- amb_local = FALSE;
- break;
- }
- }
- }
- }
-
- /* Stop if we found a full match or searched all. */
- if (j < gap->ga_len || gap == &ucmds)
- break;
- gap = &ucmds;
- }
-
- /* Only found ambiguous matches. */
- if (amb_local) {
- if (xp != NULL)
- xp->xp_context = EXPAND_UNSUCCESSFUL;
- return NULL;
- }
-
- /* The match we found may be followed immediately by a number. Move "p"
- * back to point to it. */
- if (found || possible)
- return p + (matchlen - len);
- return p;
-}
-
-static struct cmdmod {
- char *name;
- int minlen;
- int has_count; /* :123verbose :3tab */
-} cmdmods[] = {
- {"aboveleft", 3, FALSE},
- {"belowright", 3, FALSE},
- {"botright", 2, FALSE},
- {"browse", 3, FALSE},
- {"confirm", 4, FALSE},
- {"hide", 3, FALSE},
- {"keepalt", 5, FALSE},
- {"keepjumps", 5, FALSE},
- {"keepmarks", 3, FALSE},
- {"keeppatterns", 5, FALSE},
- {"leftabove", 5, FALSE},
- {"lockmarks", 3, FALSE},
- {"noautocmd", 3, FALSE},
- {"noswapfile", 3, FALSE},
- {"rightbelow", 6, FALSE},
- {"sandbox", 3, FALSE},
- {"silent", 3, FALSE},
- {"tab", 3, TRUE},
- {"topleft", 2, FALSE},
- {"unsilent", 3, FALSE},
- {"verbose", 4, TRUE},
- {"vertical", 4, FALSE},
-};
-
-/*
- * Return length of a command modifier (including optional count).
- * Return zero when it's not a modifier.
- */
-int modifier_len(char_u *cmd)
-{
- int i, j;
- char_u *p = cmd;
-
- if (VIM_ISDIGIT(*cmd))
- p = skipwhite(skipdigits(cmd));
- for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i) {
- for (j = 0; p[j] != NUL; ++j)
- if (p[j] != cmdmods[i].name[j])
- break;
- if (!ASCII_ISALPHA(p[j]) && j >= cmdmods[i].minlen
- && (p == cmd || cmdmods[i].has_count))
- return j + (int)(p - cmd);
- }
- return 0;
-}
-
-/*
- * Return > 0 if an Ex command "name" exists.
- * Return 2 if there is an exact match.
- * Return 3 if there is an ambiguous match.
- */
-int cmd_exists(char_u *name)
-{
- exarg_T ea;
- int full = FALSE;
- int i;
- int j;
- char_u *p;
-
- /* Check command modifiers. */
- for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i) {
- for (j = 0; name[j] != NUL; ++j)
- if (name[j] != cmdmods[i].name[j])
- break;
- if (name[j] == NUL && j >= cmdmods[i].minlen)
- return cmdmods[i].name[j] == NUL ? 2 : 1;
- }
-
- /* Check built-in commands and user defined commands.
- * For ":2match" and ":3match" we need to skip the number. */
- ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
- ea.cmdidx = (cmdidx_T)0;
- p = find_command(&ea, &full);
- if (p == NULL)
- return 3;
- if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
- return 0;
- if (*skipwhite(p) != NUL)
- return 0; /* trailing garbage */
- return ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1);
-}
-
-/*
- * 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 (
- expand_T *xp,
- char_u *buff /* buffer for command string */
-)
-{
- char_u *p;
- char_u *cmd, *arg;
- int len = 0;
- exarg_T ea;
- int compl = EXPAND_NOTHING;
- int delim;
- int forceit = FALSE;
- int usefilter = FALSE; /* filter instead of file name */
-
- ExpandInit(xp);
- xp->xp_pattern = buff;
- xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
- ea.argt = 0;
-
- /*
- * 2. skip comment lines and leading space, colons or bars
- */
- for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
- ;
- xp->xp_pattern = cmd;
-
- if (*cmd == NUL)
- return NULL;
- if (*cmd == '"') { /* ignore comment lines */
- xp->xp_context = EXPAND_NOTHING;
- return NULL;
- }
-
- /*
- * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
- */
- cmd = skip_range(cmd, &xp->xp_context);
-
- /*
- * 4. parse command
- */
- xp->xp_pattern = cmd;
- if (*cmd == NUL)
- return NULL;
- if (*cmd == '"') {
- xp->xp_context = EXPAND_NOTHING;
- return NULL;
- }
-
- if (*cmd == '|' || *cmd == '\n')
- return cmd + 1; /* There's another command */
-
- /*
- * Isolate the command and search for it in the command table.
- * Exceptions:
- * - the 'k' command can directly be followed by any character, but
- * do accept "keepmarks", "keepalt" and "keepjumps".
- * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
- */
- if (*cmd == 'k' && cmd[1] != 'e') {
- ea.cmdidx = CMD_k;
- p = cmd + 1;
- } else {
- p = cmd;
- while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
- ++p;
- /* check for non-alpha command */
- if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
- ++p;
- /* for python 3.x: ":py3*" commands completion */
- if (cmd[0] == 'p' && cmd[1] == 'y' && p == cmd + 2 && *p == '3') {
- ++p;
- while (ASCII_ISALPHA(*p) || *p == '*')
- ++p;
- }
- len = (int)(p - cmd);
-
- if (len == 0) {
- xp->xp_context = EXPAND_UNSUCCESSFUL;
- return NULL;
- }
- for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
- ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
- if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd,
- (size_t)len) == 0)
- break;
-
- if (cmd[0] >= 'A' && cmd[0] <= 'Z')
- while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
- ++p;
- }
-
- /*
- * If the cursor is touching the command, and it ends in an alpha-numeric
- * character, complete the command name.
- */
- if (*p == NUL && ASCII_ISALNUM(p[-1]))
- return NULL;
-
- if (ea.cmdidx == CMD_SIZE) {
- if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL) {
- ea.cmdidx = CMD_substitute;
- p = cmd + 1;
- } else if (cmd[0] >= 'A' && cmd[0] <= 'Z') {
- ea.cmd = cmd;
- p = find_ucmd(&ea, p, NULL, xp,
- &compl
- );
- if (p == NULL)
- ea.cmdidx = CMD_SIZE; /* ambiguous user command */
- }
- }
- if (ea.cmdidx == CMD_SIZE) {
- /* Not still touching the command and it was an illegal one */
- xp->xp_context = EXPAND_UNSUCCESSFUL;
- return NULL;
- }
-
- xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
-
- if (*p == '!') { /* forced commands */
- forceit = TRUE;
- ++p;
- }
-
- /*
- * 5. parse arguments
- */
- if (!USER_CMDIDX(ea.cmdidx))
- ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
-
- arg = skipwhite(p);
-
- if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update) {
- if (*arg == '>') { /* append */
- if (*++arg == '>')
- ++arg;
- arg = skipwhite(arg);
- } else if (*arg == '!' && ea.cmdidx == CMD_write) { /* :w !filter */
- ++arg;
- usefilter = TRUE;
- }
- }
-
- if (ea.cmdidx == CMD_read) {
- usefilter = forceit; /* :r! filter if forced */
- if (*arg == '!') { /* :r !filter */
- ++arg;
- usefilter = TRUE;
- }
- }
-
- if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift) {
- while (*arg == *cmd) /* allow any number of '>' or '<' */
- ++arg;
- arg = skipwhite(arg);
- }
-
- /* Does command allow "+command"? */
- if ((ea.argt & EDITCMD) && !usefilter && *arg == '+') {
- /* Check if we're in the +command */
- p = arg + 1;
- arg = skip_cmd_arg(arg, FALSE);
-
- /* Still touching the command after '+'? */
- if (*arg == NUL)
- return p;
-
- /* Skip space(s) after +command to get to the real argument */
- arg = skipwhite(arg);
- }
-
- /*
- * Check for '|' to separate commands and '"' to start comments.
- * Don't do this for ":read !cmd" and ":write !cmd".
- */
- if ((ea.argt & TRLBAR) && !usefilter) {
- p = arg;
- /* ":redir @" is not the start of a comment */
- if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
- p += 2;
- while (*p) {
- if (*p == Ctrl_V) {
- if (p[1] != NUL)
- ++p;
- } else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
- || *p == '|' || *p == '\n') {
- if (*(p - 1) != '\\') {
- if (*p == '|' || *p == '\n')
- return p + 1;
- return NULL; /* It's a comment */
- }
- }
- mb_ptr_adv(p);
- }
- }
-
- /* no arguments allowed */
- if (!(ea.argt & EXTRA) && *arg != NUL &&
- vim_strchr((char_u *)"|\"", *arg) == NULL)
- return NULL;
-
- /* Find start of last argument (argument just before cursor): */
- p = buff;
- xp->xp_pattern = p;
- len = (int)STRLEN(buff);
- while (*p && p < buff + len) {
- if (*p == ' ' || *p == TAB) {
- /* argument starts after a space */
- xp->xp_pattern = ++p;
- } else {
- if (*p == '\\' && *(p + 1) != NUL)
- ++p; /* skip over escaped character */
- mb_ptr_adv(p);
- }
- }
-
- if (ea.argt & XFILE) {
- int c;
- int in_quote = FALSE;
- char_u *bow = NULL; /* Beginning of word */
-
- /*
- * Allow spaces within back-quotes to count as part of the argument
- * being expanded.
- */
- xp->xp_pattern = skipwhite(arg);
- p = xp->xp_pattern;
- while (*p != NUL) {
- if (has_mbyte)
- c = mb_ptr2char(p);
- else
- c = *p;
- if (c == '\\' && p[1] != NUL)
- ++p;
- else if (c == '`') {
- if (!in_quote) {
- xp->xp_pattern = p;
- bow = p + 1;
- }
- in_quote = !in_quote;
- }
- /* An argument can contain just about everything, except
- * characters that end the command and white space. */
- else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
-#ifdef SPACE_IN_FILENAME
- && (!(ea.argt & NOSPC) ||
- usefilter)
-#endif
- )) {
- len = 0; /* avoid getting stuck when space is in 'isfname' */
- while (*p != NUL) {
- if (has_mbyte)
- c = mb_ptr2char(p);
- else
- c = *p;
- if (c == '`' || vim_isfilec_or_wc(c))
- break;
- if (has_mbyte)
- len = (*mb_ptr2len)(p);
- else
- len = 1;
- mb_ptr_adv(p);
- }
- if (in_quote)
- bow = p;
- else
- xp->xp_pattern = p;
- p -= len;
- }
- mb_ptr_adv(p);
- }
-
- /*
- * If we are still inside the quotes, and we passed a space, just
- * expand from there.
- */
- if (bow != NULL && in_quote)
- xp->xp_pattern = bow;
- xp->xp_context = EXPAND_FILES;
-
- /* For a shell command more chars need to be escaped. */
- if (usefilter || ea.cmdidx == CMD_bang) {
-#ifndef BACKSLASH_IN_FILENAME
- xp->xp_shell = TRUE;
-#endif
- /* When still after the command name expand executables. */
- if (xp->xp_pattern == skipwhite(arg))
- xp->xp_context = EXPAND_SHELLCMD;
- }
-
- /* Check for environment variable */
- if (*xp->xp_pattern == '$'
- ) {
- 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;
- /* Avoid that the assignment uses EXPAND_FILES again. */
- if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
- compl = EXPAND_ENV_VARS;
- }
- }
- /* Check for user names */
- if (*xp->xp_pattern == '~') {
- for (p = xp->xp_pattern + 1; *p != NUL && *p != '/'; ++p)
- ;
- /* Complete ~user only if it partially matches a user name.
- * A full match ~user<Tab> will be replaced by user's home
- * directory i.e. something like ~user<Tab> -> /home/user/ */
- if (*p == NUL && p > xp->xp_pattern + 1
- && match_user(xp->xp_pattern + 1) == 1) {
- xp->xp_context = EXPAND_USER;
- ++xp->xp_pattern;
- }
- }
- }
-
- /*
- * 6. switch on command name
- */
- switch (ea.cmdidx) {
- case CMD_find:
- case CMD_sfind:
- case CMD_tabfind:
- if (xp->xp_context == EXPAND_FILES)
- xp->xp_context = EXPAND_FILES_IN_PATH;
- break;
- case CMD_cd:
- case CMD_chdir:
- case CMD_lcd:
- case CMD_lchdir:
- if (xp->xp_context == EXPAND_FILES)
- xp->xp_context = EXPAND_DIRECTORIES;
- break;
- case CMD_help:
- xp->xp_context = EXPAND_HELP;
- xp->xp_pattern = arg;
- break;
-
- /* Command modifiers: return the argument.
- * Also for commands with an argument that is a command. */
- case CMD_aboveleft:
- case CMD_argdo:
- case CMD_belowright:
- case CMD_botright:
- case CMD_browse:
- case CMD_bufdo:
- case CMD_confirm:
- case CMD_debug:
- case CMD_folddoclosed:
- case CMD_folddoopen:
- case CMD_hide:
- case CMD_keepalt:
- case CMD_keepjumps:
- case CMD_keepmarks:
- case CMD_keeppatterns:
- case CMD_leftabove:
- case CMD_lockmarks:
- case CMD_noautocmd:
- case CMD_noswapfile:
- case CMD_rightbelow:
- case CMD_sandbox:
- case CMD_silent:
- case CMD_tab:
- case CMD_tabdo:
- case CMD_topleft:
- case CMD_verbose:
- case CMD_vertical:
- case CMD_windo:
- return arg;
-
- case CMD_match:
- if (*arg == NUL || !ends_excmd(*arg)) {
- /* also complete "None" */
- set_context_in_echohl_cmd(xp, arg);
- arg = skipwhite(skiptowhite(arg));
- if (*arg != NUL) {
- xp->xp_context = EXPAND_NOTHING;
- arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
- }
- }
- return find_nextcmd(arg);
-
- /*
- * All completion for the +cmdline_compl feature goes here.
- */
-
- 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;
-
- 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;
- case CMD_autocmd:
- return set_context_in_autocmd(xp, arg, FALSE);
-
- case CMD_doautocmd:
- case CMD_doautoall:
- return set_context_in_autocmd(xp, arg, TRUE);
- case CMD_set:
- set_context_in_set_cmd(xp, arg, 0);
- break;
- case CMD_setglobal:
- set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
- break;
- case CMD_setlocal:
- set_context_in_set_cmd(xp, arg, OPT_LOCAL);
- break;
- case CMD_tag:
- case CMD_stag:
- case CMD_ptag:
- case CMD_ltag:
- case CMD_tselect:
- case CMD_stselect:
- case CMD_ptselect:
- case CMD_tjump:
- case CMD_stjump:
- case CMD_ptjump:
- if (*p_wop != NUL)
- xp->xp_context = EXPAND_TAGS_LISTFILES;
- else
- xp->xp_context = EXPAND_TAGS;
- xp->xp_pattern = arg;
- break;
- case CMD_augroup:
- xp->xp_context = EXPAND_AUGROUP;
- xp->xp_pattern = arg;
- break;
- case CMD_syntax:
- set_context_in_syntax_cmd(xp, arg);
- break;
- case CMD_let:
- case CMD_if:
- case CMD_elseif:
- case CMD_while:
- case CMD_for:
- case CMD_echo:
- case CMD_echon:
- case CMD_execute:
- case CMD_echomsg:
- case CMD_echoerr:
- case CMD_call:
- case CMD_return:
- set_context_for_expression(xp, arg, ea.cmdidx);
- break;
-
- case CMD_unlet:
- while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
- arg = xp->xp_pattern + 1;
- xp->xp_context = EXPAND_USER_VARS;
- xp->xp_pattern = arg;
- break;
-
- case CMD_function:
- case CMD_delfunction:
- xp->xp_context = EXPAND_USER_FUNC;
- xp->xp_pattern = arg;
- break;
-
- case CMD_echohl:
- set_context_in_echohl_cmd(xp, arg);
- break;
- case CMD_highlight:
- set_context_in_highlight_cmd(xp, arg);
- break;
- case CMD_cscope:
- case CMD_lcscope:
- case CMD_scscope:
- set_context_in_cscope_cmd(xp, arg, ea.cmdidx);
- break;
- case CMD_sign:
- set_context_in_sign_cmd(xp, arg);
- break;
- 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;
- case CMD_USER:
- case CMD_USER_BUF:
- if (compl != EXPAND_NOTHING) {
- /* XFILE: file names are handled above */
- if (!(ea.argt & XFILE)) {
- if (compl == EXPAND_MENUS)
- return set_context_in_menu_cmd(xp, cmd, arg, forceit);
- 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);
- /* Find start of last argument. */
- p = arg;
- while (*p) {
- if (*p == ' ')
- /* argument starts after a space */
- arg = p + 1;
- else if (*p == '\\' && *(p + 1) != NUL)
- ++p; /* skip over escaped character */
- mb_ptr_adv(p);
- }
- xp->xp_pattern = arg;
- }
- xp->xp_context = compl;
- }
- break;
- 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:
- case CMD_lmap: case CMD_lnoremap:
- case CMD_smap: case CMD_snoremap:
- case CMD_xmap: case CMD_xnoremap:
- return set_context_in_map_cmd(xp, cmd, arg, forceit,
- FALSE, FALSE, ea.cmdidx);
- case CMD_unmap:
- case CMD_nunmap:
- case CMD_vunmap:
- case CMD_ounmap:
- case CMD_iunmap:
- case CMD_cunmap:
- case CMD_lunmap:
- case CMD_sunmap:
- case CMD_xunmap:
- return set_context_in_map_cmd(xp, cmd, arg, forceit,
- FALSE, TRUE, ea.cmdidx);
- case CMD_abbreviate: case CMD_noreabbrev:
- case CMD_cabbrev: case CMD_cnoreabbrev:
- case CMD_iabbrev: case CMD_inoreabbrev:
- return set_context_in_map_cmd(xp, cmd, arg, forceit,
- TRUE, FALSE, ea.cmdidx);
- case CMD_unabbreviate:
- case CMD_cunabbrev:
- case CMD_iunabbrev:
- return set_context_in_map_cmd(xp, cmd, arg, forceit,
- TRUE, TRUE, ea.cmdidx);
- 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);
-
- 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;
-
- case CMD_ownsyntax:
- xp->xp_context = EXPAND_OWNSYNTAX;
- xp->xp_pattern = arg;
- break;
-
- case CMD_setfiletype:
- xp->xp_context = EXPAND_FILETYPE;
- xp->xp_pattern = arg;
- break;
-
-#ifdef HAVE_WORKING_LIBINTL
- case CMD_language:
- p = skiptowhite(arg);
- if (*p == NUL) {
- xp->xp_context = EXPAND_LANGUAGE;
- xp->xp_pattern = arg;
- } else {
- if ( STRNCMP(arg, "messages", p - arg) == 0
- || STRNCMP(arg, "ctype", p - arg) == 0
- || STRNCMP(arg, "time", p - arg) == 0) {
- xp->xp_context = EXPAND_LOCALES;
- xp->xp_pattern = skipwhite(p);
- } else
- xp->xp_context = EXPAND_NOTHING;
- }
- break;
-#endif
- case CMD_profile:
- set_context_in_profile_cmd(xp, arg);
- break;
- case CMD_behave:
- xp->xp_context = EXPAND_BEHAVE;
- xp->xp_pattern = arg;
- break;
-
- case CMD_history:
- xp->xp_context = EXPAND_HISTORY;
- xp->xp_pattern = arg;
- break;
- case CMD_syntime:
- xp->xp_context = EXPAND_SYNTIME;
- xp->xp_pattern = arg;
- break;
-
-
- default:
- break;
- }
- return NULL;
-}
-
-/*
- * skip a range specifier of the form: addr [,addr] [;addr] ..
- *
- * Backslashed delimiters after / or ? will be skipped, and commands will
- * not be expanded between /'s and ?'s or after "'".
- *
- * Also skip white space and ":" characters.
- * Returns the "cmd" pointer advanced to beyond the range.
- */
-char_u *
-skip_range (
- char_u *cmd,
- int *ctx /* pointer to xp_context or NULL */
-)
-{
- unsigned delim;
-
- while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL) {
- if (*cmd == '\'') {
- if (*++cmd == NUL && ctx != NULL)
- *ctx = EXPAND_NOTHING;
- } else if (*cmd == '/' || *cmd == '?') {
- delim = *cmd++;
- while (*cmd != NUL && *cmd != delim)
- if (*cmd++ == '\\' && *cmd != NUL)
- ++cmd;
- if (*cmd == NUL && ctx != NULL)
- *ctx = EXPAND_NOTHING;
- }
- if (*cmd != NUL)
- ++cmd;
- }
-
- /* Skip ":" and white space. */
- while (*cmd == ':')
- cmd = skipwhite(cmd + 1);
-
- return cmd;
-}
-
-/*
- * get a single EX address
- *
- * Set ptr to the next character after the part that was interpreted.
- * Set ptr to NULL when an error is encountered.
- *
- * Return MAXLNUM when no Ex address was found.
- */
-static linenr_T
-get_address (
- char_u **ptr,
- int skip, /* only skip the address, don't use it */
- int to_other_file /* flag: may jump to other file */
-)
-{
- int c;
- int i;
- long n;
- char_u *cmd;
- pos_T pos;
- pos_T *fp;
- linenr_T lnum;
-
- cmd = skipwhite(*ptr);
- lnum = MAXLNUM;
- do {
- switch (*cmd) {
- case '.': /* '.' - Cursor position */
- ++cmd;
- lnum = curwin->w_cursor.lnum;
- break;
-
- case '$': /* '$' - last line */
- ++cmd;
- lnum = curbuf->b_ml.ml_line_count;
- break;
-
- case '\'': /* ''' - mark */
- if (*++cmd == NUL) {
- cmd = NULL;
- goto error;
- }
- if (skip)
- ++cmd;
- else {
- /* Only accept a mark in another file when it is
- * used by itself: ":'M". */
- fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
- ++cmd;
- if (fp == (pos_T *)-1)
- /* Jumped to another file. */
- lnum = curwin->w_cursor.lnum;
- else {
- if (check_mark(fp) == FAIL) {
- cmd = NULL;
- goto error;
- }
- lnum = fp->lnum;
- }
- }
- break;
-
- case '/':
- case '?': /* '/' or '?' - search */
- c = *cmd++;
- if (skip) { /* skip "/pat/" */
- cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
- if (*cmd == c)
- ++cmd;
- } else {
- pos = curwin->w_cursor; /* save curwin->w_cursor */
- /*
- * When '/' or '?' follows another address, start
- * from there.
- */
- if (lnum != MAXLNUM)
- curwin->w_cursor.lnum = lnum;
- /*
- * Start a forward search at the end of the line.
- * Start a backward search at the start of the line.
- * This makes sure we never match in the current
- * line, and can match anywhere in the
- * next/previous line.
- */
- if (c == '/')
- curwin->w_cursor.col = MAXCOL;
- else
- curwin->w_cursor.col = 0;
- searchcmdlen = 0;
- if (!do_search(NULL, c, cmd, 1L,
- SEARCH_HIS | SEARCH_MSG, NULL)) {
- curwin->w_cursor = pos;
- cmd = NULL;
- goto error;
- }
- lnum = curwin->w_cursor.lnum;
- curwin->w_cursor = pos;
- /* adjust command string pointer */
- cmd += searchcmdlen;
- }
- break;
-
- case '\\': /* "\?", "\/" or "\&", repeat search */
- ++cmd;
- if (*cmd == '&')
- i = RE_SUBST;
- else if (*cmd == '?' || *cmd == '/')
- i = RE_SEARCH;
- else {
- EMSG(_(e_backslash));
- cmd = NULL;
- goto error;
- }
-
- if (!skip) {
- /*
- * When search follows another address, start from
- * there.
- */
- if (lnum != MAXLNUM)
- pos.lnum = lnum;
- else
- pos.lnum = curwin->w_cursor.lnum;
-
- /*
- * Start the search just like for the above
- * do_search().
- */
- if (*cmd != '?')
- pos.col = MAXCOL;
- else
- pos.col = 0;
- if (searchit(curwin, curbuf, &pos,
- *cmd == '?' ? BACKWARD : FORWARD,
- (char_u *)"", 1L, SEARCH_MSG,
- i, (linenr_T)0, NULL) != FAIL)
- lnum = pos.lnum;
- else {
- cmd = NULL;
- goto error;
- }
- }
- ++cmd;
- break;
-
- default:
- if (VIM_ISDIGIT(*cmd)) /* absolute line number */
- lnum = getdigits(&cmd);
- }
-
- for (;; ) {
- cmd = skipwhite(cmd);
- if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
- break;
-
- if (lnum == MAXLNUM)
- lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
- if (VIM_ISDIGIT(*cmd))
- i = '+'; /* "number" is same as "+number" */
- else
- i = *cmd++;
- if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
- n = 1;
- else
- n = getdigits(&cmd);
- if (i == '-')
- lnum -= n;
- else
- lnum += n;
- }
- } while (*cmd == '/' || *cmd == '?');
-
-error:
- *ptr = cmd;
- return lnum;
-}
-
-/*
- * Get flags from an Ex command argument.
- */
-static void get_flags(exarg_T *eap)
-{
- while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL) {
- if (*eap->arg == 'l')
- eap->flags |= EXFLAG_LIST;
- else if (*eap->arg == 'p')
- eap->flags |= EXFLAG_PRINT;
- else
- eap->flags |= EXFLAG_NR;
- eap->arg = skipwhite(eap->arg + 1);
- }
-}
-
-/*
- * Function called for command which is Not Implemented. NI!
- */
-void ex_ni(exarg_T *eap)
-{
- if (!eap->skip)
- eap->errmsg = (char_u *)N_(
- "E319: Sorry, the command is not available in this version");
-}
-
-#ifdef HAVE_EX_SCRIPT_NI
-/*
- * Function called for script command which is Not Implemented. NI!
- * Skips over ":perl <<EOF" constructs.
- */
-static void ex_script_ni(exarg_T *eap)
-{
- if (!eap->skip)
- ex_ni(eap);
- else
- 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(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
- + (eap->cmdidx == CMD_diffget)
- ))
- return (char_u *)_(e_invrange);
- return NULL;
-}
-
-/*
- * Correct the range for zero line number, if required.
- */
-static void correct_range(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;
- }
-}
-
-static char_u *skip_grep_pat(exarg_T *eap);
-
-/*
- * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
- * pattern. Otherwise return eap->arg.
- */
-static char_u *skip_grep_pat(exarg_T *eap)
-{
- char_u *p = eap->arg;
-
- if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
- || eap->cmdidx == CMD_vimgrepadd
- || eap->cmdidx == CMD_lvimgrepadd
- || grep_internal(eap->cmdidx))) {
- p = skip_vimgrep_pat(p, NULL, NULL);
- if (p == NULL)
- p = eap->arg;
- }
- return p;
-}
-
-/*
- * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
- * in the command line, so that things like % get expanded.
- */
-static char_u *replace_makeprg(exarg_T *eap, char_u *p, char_u **cmdlinep)
-{
- char_u *new_cmdline;
- char_u *program;
- char_u *pos;
- char_u *ptr;
- int len;
- int i;
-
- /*
- * Don't do it when ":vimgrep" is used for ":grep".
- */
- if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
- || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
- || eap->cmdidx == CMD_grepadd
- || eap->cmdidx == CMD_lgrepadd)
- && !grep_internal(eap->cmdidx)) {
- if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
- || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd) {
- if (*curbuf->b_p_gp == NUL)
- program = p_gp;
- else
- program = curbuf->b_p_gp;
- } else {
- if (*curbuf->b_p_mp == NUL)
- program = p_mp;
- else
- program = curbuf->b_p_mp;
- }
-
- p = skipwhite(p);
-
- if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL) {
- /* replace $* by given arguments */
- i = 1;
- while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
- ++i;
- len = (int)STRLEN(p);
- new_cmdline = xmalloc(STRLEN(program) + i * (len - 2) + 1);
- ptr = new_cmdline;
- while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL) {
- i = (int)(pos - program);
- STRNCPY(ptr, program, i);
- STRCPY(ptr += i, p);
- ptr += len;
- program = pos + 2;
- }
- STRCPY(ptr, program);
- } else {
- new_cmdline = xmalloc(STRLEN(program) + STRLEN(p) + 2);
- STRCPY(new_cmdline, program);
- STRCAT(new_cmdline, " ");
- STRCAT(new_cmdline, p);
- }
- msg_make(p);
-
- /* 'eap->cmd' is not set here, because it is not used at CMD_make */
- free(*cmdlinep);
- *cmdlinep = new_cmdline;
- p = new_cmdline;
- }
- return p;
-}
-
-/*
- * Expand file name in Ex command argument.
- * Return FAIL for failure, OK otherwise.
- */
-int expand_filename(exarg_T *eap, char_u **cmdlinep, char_u **errormsgp)
-{
- int has_wildcards; /* need to expand wildcards */
- char_u *repl;
- int srclen;
- char_u *p;
- int escaped;
-
- /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
- p = skip_grep_pat(eap);
-
- /*
- * Decide to expand wildcards *before* replacing '%', '#', etc. If
- * the file name contains a wildcard it should not cause expanding.
- * (it will be expanded anyway if there is a wildcard before replacing).
- */
- has_wildcards = mch_has_wildcard(p);
- while (*p != NUL) {
- /* Skip over `=expr`, wildcards in it are not expanded. */
- if (p[0] == '`' && p[1] == '=') {
- p += 2;
- (void)skip_expr(&p);
- if (*p == '`')
- ++p;
- continue;
- }
- /*
- * Quick check if this cannot be the start of a special string.
- * Also removes backslash before '%', '#' and '<'.
- */
- if (vim_strchr((char_u *)"%#<", *p) == NULL) {
- ++p;
- continue;
- }
-
- /*
- * Try to find a match at this position.
- */
- repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
- errormsgp, &escaped);
- if (*errormsgp != NULL) /* error detected */
- return FAIL;
- if (repl == NULL) { /* no match found */
- p += srclen;
- continue;
- }
-
- /* Wildcards won't be expanded below, the replacement is taken
- * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
- if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL) {
- char_u *l = repl;
-
- repl = expand_env_save(repl);
- free(l);
- }
-
- /* Need to escape white space et al. with a backslash.
- * Don't do this for:
- * - replacement that already has been escaped: "##"
- * - shell commands (may have to use quotes instead).
- * - non-unix systems when there is a single argument (spaces don't
- * separate arguments then).
- */
- if (!eap->usefilter
- && !escaped
- && eap->cmdidx != CMD_bang
- && eap->cmdidx != CMD_make
- && eap->cmdidx != CMD_lmake
- && eap->cmdidx != CMD_grep
- && eap->cmdidx != CMD_lgrep
- && eap->cmdidx != CMD_grepadd
- && eap->cmdidx != CMD_lgrepadd
-#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) {
- free(repl);
- repl = l;
- }
- break;
- }
- }
-
- /* For a shell command a '!' must be escaped. */
- if ((eap->usefilter || eap->cmdidx == CMD_bang)
- && vim_strpbrk(repl, (char_u *)"!") != NULL) {
- char_u *l;
-
- l = vim_strsave_escaped(repl, (char_u *)"!");
- if (l != NULL) {
- free(repl);
- repl = l;
- }
- }
-
- p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
- free(repl);
- }
-
- /*
- * One file argument: Expand wildcards.
- * Don't do this with ":r !command" or ":w !command".
- */
- if ((eap->argt & NOSPC) && !eap->usefilter) {
- // Replace environment variables.
- if (has_wildcards) {
- /*
- * May expand environment variables. This
- * can be done much faster with expand_env() than with
- * something else (e.g., calling a shell).
- * After expanding environment variables, check again
- * if there are still wildcards present.
- */
- if (vim_strchr(eap->arg, '$') != NULL
- || vim_strchr(eap->arg, '~') != NULL) {
- expand_env_esc(eap->arg, NameBuff, MAXPATHL,
- TRUE, TRUE, NULL);
- has_wildcards = mch_has_wildcard(NameBuff);
- p = NameBuff;
- } else
- p = NULL;
- if (p != NULL) {
- (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
- p, cmdlinep);
- }
- }
-
- // Replace any other wildcards, remove backslashes.
-#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, when wildcards are expanded, this is
- * done by ExpandOne() below.
- */
-#ifdef UNIX
- if (!has_wildcards)
-#endif
- backslash_halve(eap->arg);
-
- if (has_wildcards) {
- expand_T xpc;
- int options = WILD_LIST_NOTFOUND|WILD_ADD_SLASH;
-
- ExpandInit(&xpc);
- xpc.xp_context = EXPAND_FILES;
- if (p_wic)
- options += WILD_ICASE;
- p = ExpandOne(&xpc, eap->arg, NULL,
- options, WILD_EXPAND_FREE);
- if (p == NULL)
- return FAIL;
- if (p != NULL) {
- (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
- p, cmdlinep);
- 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.
- */
-static char_u *repl_cmdline(exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep)
-{
- int len;
- int i;
- char_u *new_cmdline;
-
- /*
- * The new command line is build in new_cmdline[].
- * First allocate it.
- * Careful: a "+cmd" argument may have been NUL terminated.
- */
- len = (int)STRLEN(repl);
- i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
- if (eap->nextcmd != NULL)
- i += (int)STRLEN(eap->nextcmd); /* add space for next command */
- new_cmdline = xmalloc(i);
-
- /*
- * 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 */
- memmove(new_cmdline, *cmdlinep, (size_t)i);
-
- memmove(new_cmdline + i, repl, (size_t)len);
- i += len; /* remember the end of the string */
- STRCPY(new_cmdline + i, src + srclen);
- src = new_cmdline + i; /* remember where to continue */
-
- if (eap->nextcmd != NULL) { /* append next command */
- i = (int)STRLEN(new_cmdline) + 1;
- STRCPY(new_cmdline + i, eap->nextcmd);
- eap->nextcmd = new_cmdline + i;
- }
- eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
- eap->arg = new_cmdline + (eap->arg - *cmdlinep);
- if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
- eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
- free(*cmdlinep);
- *cmdlinep = new_cmdline;
-
- return src;
-}
-
-/*
- * Check for '|' to separate commands and '"' to start comments.
- */
-void separate_nextcmd(exarg_T *eap)
-{
- char_u *p;
-
- p = skip_grep_pat(eap);
-
- for (; *p; mb_ptr_adv(p)) {
- if (*p == Ctrl_V) {
- if (eap->argt & (USECTRLV | XFILE))
- ++p; /* skip CTRL-V and next char */
- else
- /* remove CTRL-V and skip next char */
- STRMOVE(p, p + 1);
- if (*p == NUL) /* stop at NUL after CTRL-V */
- break;
- }
- /* Skip over `=expr` when wildcards are expanded. */
- else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE)) {
- p += 2;
- (void)skip_expr(&p);
- }
- /* 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) == '\\') {
- STRMOVE(p - 1, p); /* remove the '\' */
- --p;
- } else {
- eap->nextcmd = check_nextcmd(p);
- *p = NUL;
- break;
- }
- }
- }
-
- if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
- del_trailing_spaces(eap->arg);
-}
-
-/*
- * get + command from ex argument
- */
-static char_u *getargcmd(char_u **argp)
-{
- char_u *arg = *argp;
- char_u *command = NULL;
-
- if (*arg == '+') { /* +[command] */
- ++arg;
- if (vim_isspace(*arg) || *arg == '\0')
- 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 (
- char_u *p,
- int rembs /* TRUE to halve the number of backslashes */
-)
-{
- while (*p && !vim_isspace(*p)) {
- if (*p == '\\' && p[1] != NUL) {
- if (rembs)
- STRMOVE(p, p + 1);
- else
- ++p;
- }
- mb_ptr_adv(p);
- }
- return p;
-}
-
-/*
- * Get "++opt=arg" argument.
- * Return FAIL or OK.
- */
-static int getargopt(exarg_T *eap)
-{
- char_u *arg = eap->arg + 2;
- int *pp = NULL;
- int bad_char_idx;
- char_u *p;
-
- /* ":edit ++[no]bin[ary] file" */
- if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0) {
- if (*arg == 'n') {
- arg += 2;
- eap->force_bin = FORCE_NOBIN;
- } else
- eap->force_bin = FORCE_BIN;
- if (!checkforcmd(&arg, "binary", 3))
- return FAIL;
- eap->arg = skipwhite(arg);
- return OK;
- }
-
- /* ":read ++edit file" */
- if (STRNCMP(arg, "edit", 4) == 0) {
- eap->read_edit = TRUE;
- eap->arg = skipwhite(arg + 4);
- return OK;
- }
-
- if (STRNCMP(arg, "ff", 2) == 0) {
- arg += 2;
- pp = &eap->force_ff;
- } else if (STRNCMP(arg, "fileformat", 10) == 0) {
- arg += 10;
- pp = &eap->force_ff;
- } else if (STRNCMP(arg, "enc", 3) == 0) {
- if (STRNCMP(arg, "encoding", 8) == 0)
- arg += 8;
- else
- arg += 3;
- pp = &eap->force_enc;
- } else if (STRNCMP(arg, "bad", 3) == 0) {
- arg += 3;
- pp = &bad_char_idx;
- }
-
- if (pp == NULL || *arg != '=')
- return FAIL;
-
- ++arg;
- *pp = (int)(arg - eap->cmd);
- arg = skip_cmd_arg(arg, FALSE);
- eap->arg = skipwhite(arg);
- *arg = NUL;
-
- if (pp == &eap->force_ff) {
- if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
- return FAIL;
- } else if (pp == &eap->force_enc) {
- /* Make 'fileencoding' lower case. */
- for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
- *p = TOLOWER_ASC(*p);
- } else {
- /* Check ++bad= argument. Must be a single-byte character, "keep" or
- * "drop". */
- p = eap->cmd + bad_char_idx;
- if (STRICMP(p, "keep") == 0)
- eap->bad_char = BAD_KEEP;
- else if (STRICMP(p, "drop") == 0)
- eap->bad_char = BAD_DROP;
- else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
- eap->bad_char = *p;
- else
- return FAIL;
- }
-
- return OK;
-}
-
-/*
- * ":abbreviate" and friends.
- */
-static void ex_abbreviate(exarg_T *eap)
-{
- do_exmap(eap, TRUE); /* almost the same as mapping */
-}
-
-/*
- * ":map" and friends.
- */
-static void ex_map(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(exarg_T *eap)
-{
- do_exmap(eap, FALSE);
-}
-
-/*
- * ":mapclear" and friends.
- */
-static void ex_mapclear(exarg_T *eap)
-{
- map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
-}
-
-/*
- * ":abclear" and friends.
- */
-static void ex_abclear(exarg_T *eap)
-{
- map_clear(eap->cmd, eap->arg, TRUE, TRUE);
-}
-
-static void ex_autocmd(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(exarg_T *eap)
-{
- char_u *arg = eap->arg;
- int call_do_modelines = check_nomodeline(&arg);
-
- (void)do_doautocmd(arg, TRUE);
- if (call_do_modelines) /* Only when there is no <nomodeline>. */
- do_modelines(0);
-}
-
-/*
- * :[N]bunload[!] [N] [bufname] unload buffer
- * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
- * :[N]bwipeout[!] [N] [bufname] delete buffer really
- */
-static void ex_bunload(exarg_T *eap)
-{
- eap->errmsg = do_bufdel(
- eap->cmdidx == CMD_bdelete ? DOBUF_DEL
- : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
- : DOBUF_UNLOAD, eap->arg,
- eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
-}
-
-/*
- * :[N]buffer [N] to buffer N
- * :[N]sbuffer [N] to buffer N
- */
-static void ex_buffer(exarg_T *eap)
-{
- if (*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(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(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(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(exarg_T *eap)
-{
- goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
-}
-
-/*
- * :blast to last buffer
- * :sblast split and to last buffer
- */
-static void ex_blast(exarg_T *eap)
-{
- goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
-}
-
-int ends_excmd(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(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(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 (
- 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 ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL) {
- char_u buff[DIALOG_MSG_SIZE];
-
- if (n == 1)
- vim_strncpy(buff,
- (char_u *)_("1 more file to edit. Quit anyway?"),
- DIALOG_MSG_SIZE - 1);
- else
- vim_snprintf((char *)buff, DIALOG_MSG_SIZE,
- _("%d more files to edit. Quit anyway?"), n);
- if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
- return OK;
- return FAIL;
- }
- if (n == 1)
- EMSG(_("E173: 1 more file to edit"));
- else
- EMSGN(_("E173: %" PRId64 " more files to edit"), n);
- quitmore = 2; /* next try to quit is allowed */
- }
- return FAIL;
- }
- return OK;
-}
-
-/*
- * Function given to ExpandGeneric() to obtain the list of command names.
- */
-char_u *get_command_name(expand_T *xp, int idx)
-{
- if (idx >= (int)CMD_SIZE)
- return get_user_command_name(idx);
- return cmdnames[idx].cmd_name;
-}
-
-static int uc_add_command(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(char_u *name, size_t name_len);
-static int uc_scan_attr(char_u *attr, size_t len, long *argt, long *def,
- int *flags, int *compl,
- char_u **compl_arg);
-static char_u *uc_split_args(char_u *arg, size_t *lenp);
-static size_t uc_check_code(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(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, 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_init(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;
- }
-
- free(cmd->uc_rep);
- cmd->uc_rep = NULL;
- free(cmd->uc_compl_arg);
- cmd->uc_compl_arg = NULL;
- 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) {
- ga_grow(gap, 1);
-
- if ((p = vim_strnsave(name, (int)name_len)) == NULL)
- goto fail;
-
- cmd = USER_CMD_GA(gap, i);
- memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
-
- ++gap->ga_len;
-
- cmd->uc_name = p;
- }
-
- cmd->uc_rep = rep_buf;
- cmd->uc_argt = argt;
- cmd->uc_def = def;
- cmd->uc_compl = compl;
- cmd->uc_scriptID = current_SID;
- cmd->uc_compl_arg = compl_arg;
-
- return OK;
-
-fail:
- free(rep_buf);
- free(compl_arg);
- 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_BEHAVE, "behave"},
- {EXPAND_BUFFERS, "buffer"},
- {EXPAND_COLORS, "color"},
- {EXPAND_COMMANDS, "command"},
- {EXPAND_COMPILER, "compiler"},
- {EXPAND_CSCOPE, "cscope"},
- {EXPAND_USER_DEFINED, "custom"},
- {EXPAND_USER_LIST, "customlist"},
- {EXPAND_DIRECTORIES, "dir"},
- {EXPAND_ENV_VARS, "environment"},
- {EXPAND_EVENTS, "event"},
- {EXPAND_EXPRESSION, "expression"},
- {EXPAND_FILES, "file"},
- {EXPAND_FILES_IN_PATH, "file_in_path"},
- {EXPAND_FILETYPE, "filetype"},
- {EXPAND_FUNCTIONS, "function"},
- {EXPAND_HELP, "help"},
- {EXPAND_HIGHLIGHT, "highlight"},
- {EXPAND_HISTORY, "history"},
-#ifdef HAVE_WORKING_LIBINTL
- {EXPAND_LOCALES, "locale"},
-#endif
- {EXPAND_MAPPINGS, "mapping"},
- {EXPAND_MENUS, "menu"},
- {EXPAND_OWNSYNTAX, "syntax"},
- {EXPAND_SYNTIME, "syntime"},
- {EXPAND_SETTINGS, "option"},
- {EXPAND_SHELLCMD, "shellcmd"},
- {EXPAND_SIGN, "sign"},
- {EXPAND_TAGS, "tag"},
- {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
- {EXPAND_USER, "user"},
- {EXPAND_USER_VARS, "var"},
- {0, NULL}
-};
-
-static void uc_list(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 = (long)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, "%" PRId64 "c", (int64_t)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, "%" PRId64 "", (int64_t)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);
- if (p_verbose > 0)
- last_set_msg(cmd->uc_scriptID);
- 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(void)
-{
- 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(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 | RANGE | 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) {
- if (val == NULL) {
- EMSG(_("E179: argument required for -complete"));
- return FAIL;
- }
-
- if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
- == FAIL)
- return FAIL;
- } else {
- char_u ch = attr[len];
- attr[len] = '\0';
- EMSG2(_("E181: Invalid attribute: %s"), attr);
- attr[len] = ch;
- return FAIL;
- }
- }
-
- return OK;
-}
-
-/*
- * ":command ..."
- */
-static void ex_command(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] == '-');
- int name_len;
-
- 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;
- name_len = (int)(end - name);
-
- /* 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 if ((name_len == 1 && *name == 'X')
- || (name_len <= 4
- && STRNCMP(name, "Next", name_len > 4 ? 4 : name_len) == 0)) {
- EMSG(_("E841: Reserved name, cannot be used for user defined command"));
- return;
- } else
- uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
- eap->forceit);
-}
-
-/*
- * ":comclear"
- * Clear all user commands, global and for current buffer.
- */
-void ex_comclear(exarg_T *eap)
-{
- uc_clear(&ucmds);
- uc_clear(&curbuf->b_ucmds);
-}
-
-/*
- * Clear all user commands for "gap".
- */
-void uc_clear(garray_T *gap)
-{
- int i;
- ucmd_T *cmd;
-
- for (i = 0; i < gap->ga_len; ++i) {
- cmd = USER_CMD_GA(gap, i);
- free(cmd->uc_name);
- free(cmd->uc_rep);
- free(cmd->uc_compl_arg);
- }
- ga_clear(gap);
-}
-
-static void ex_delcommand(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;
- }
-
- free(cmd->uc_name);
- free(cmd->uc_rep);
- free(cmd->uc_compl_arg);
-
- --gap->ga_len;
-
- if (i < gap->ga_len)
- memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
-}
-
-/*
- * split and quote args for <f-args>
- */
-static char_u *uc_split_args(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] == '\\' && p[1] == '\\') {
- len += 2;
- p += 2;
- } else 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 {
- int charlen = (*mb_ptr2len)(p);
- len += charlen;
- p += charlen;
- }
- }
-
- buf = xmalloc(len + 1);
-
- p = arg;
- q = buf;
- *q++ = '"';
- while (*p) {
- if (p[0] == '\\' && p[1] == '\\') {
- *q++ = '\\';
- *q++ = '\\';
- p += 2;
- } else 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 {
- MB_COPY_CHAR(p, q);
- }
- }
- *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 (
- 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;
- }
-
- ++l;
- 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, "reg>", l) == 0 || 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 (enc_dbcs != 0 && (*mb_ptr2len)(p) == 2)
- /* DBCS can contain \ in a trail byte, skip the
- * double-byte character. */
- ++p;
- else if (*p == '\\' || *p == '"')
- ++result;
- }
-
- if (buf != NULL) {
- *buf++ = '"';
- for (p = eap->arg; *p; ++p) {
- if (enc_dbcs != 0 && (*mb_ptr2len)(p) == 2)
- /* DBCS can contain \ in a trail byte, copy the
- * double-byte character to avoid escaping. */
- *buf++ = *p++;
- else if (*p == '\\' || *p == '"')
- *buf++ = '\\';
- *buf++ = *p;
- }
- *buf = '"';
- }
-
- break;
- case 2: /* Quote and split (<f-args>) */
- /* 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, "%" PRId64, (int64_t)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(exarg_T *eap)
-{
- char_u *buf;
- char_u *p;
- char_u *q;
-
- char_u *start;
- char_u *end = NULL;
- char_u *ksp;
- size_t len, totlen;
-
- size_t split_len = 0;
- char_u *split_buf = NULL;
- ucmd_T *cmd;
- scid_T save_current_SID = current_SID;
-
- 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.
- * First round: "buf" is NULL, compute length, allocate "buf".
- * Second round: copy result into "buf".
- */
- buf = NULL;
- for (;; ) {
- p = cmd->uc_rep; /* source */
- q = buf; /* destination */
- totlen = 0;
-
- for (;; ) {
- start = vim_strchr(p, '<');
- if (start != NULL)
- end = vim_strchr(start + 1, '>');
- if (buf != NULL) {
- for (ksp = p; *ksp != NUL && *ksp != K_SPECIAL; ++ksp)
- ;
- if (*ksp == K_SPECIAL
- && (start == NULL || ksp < start || end == NULL)
- && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
- )) {
- /* K_SPECIAL has been put in the buffer as K_SPECIAL
- * KS_SPECIAL KE_FILLER, like for mappings, but
- * do_cmdline() doesn't handle that, so convert it back.
- * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
- len = ksp - p;
- if (len > 0) {
- memmove(q, p, len);
- q += len;
- }
- *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
- p = ksp + 3;
- continue;
- }
- }
-
- /* break if there no <item> is found */
- if (start == NULL || end == NULL)
- break;
-
- /* Include the '>' */
- ++end;
-
- /* Take everything up to the '<' */
- len = start - p;
- if (buf == NULL)
- totlen += len;
- else {
- 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 = xmalloc(totlen + 1);
- }
-
- current_SID = cmd->uc_scriptID;
- (void)do_cmdline(buf, eap->getline, eap->cookie,
- DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
- current_SID = save_current_SID;
- free(buf);
- free(split_buf);
-}
-
-static char_u *get_user_command_name(int idx)
-{
- return get_user_commands(NULL, idx - (int)CMD_SIZE);
-}
-
-/*
- * Function given to ExpandGeneric() to obtain the list of user command names.
- */
-char_u *get_user_commands(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.
- */
-char_u *get_user_cmd_flags(expand_T *xp, int idx)
-{
- static char *user_cmd_flags[] =
- {"bang", "bar", "buffer", "complete", "count",
- "nargs", "range", "register"};
-
- if (idx >= (int)(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.
- */
-char_u *get_user_cmd_nargs(expand_T *xp, int idx)
-{
- static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
-
- if (idx >= (int)(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.
- */
-char_u *get_user_cmd_complete(expand_T *xp, int idx)
-{
- return (char_u *)command_complete[idx].name;
-}
-
-
-/*
- * Parse a completion argument "value[vallen]".
- * The detected completion goes in "*complp", argument type in "*argt".
- * When there is an argument, for function and user defined completion, it's
- * copied to allocated memory and stored in "*compl_arg".
- * Returns FAIL if something is wrong.
- */
-int parse_compl_arg(char_u *value, int vallen, int *complp, long *argt, char_u **compl_arg)
-{
- char_u *arg = NULL;
- size_t arglen = 0;
- int i;
- int valend = vallen;
-
- /* Look for any argument part - which is the part after any ',' */
- for (i = 0; i < vallen; ++i) {
- if (value[i] == ',') {
- arg = &value[i + 1];
- arglen = vallen - i - 1;
- valend = i;
- break;
- }
- }
-
- for (i = 0; command_complete[i].expand != 0; ++i) {
- if ((int)STRLEN(command_complete[i].name) == valend
- && STRNCMP(value, command_complete[i].name, valend) == 0) {
- *complp = 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"), value);
- return FAIL;
- }
-
- if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
- && arg != NULL) {
- EMSG(_("E468: Completion argument only allowed for custom completion"));
- return FAIL;
- }
-
- if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
- && arg == NULL) {
- EMSG(_("E467: Custom completion requires a function argument"));
- return FAIL;
- }
-
- if (arg != NULL)
- *compl_arg = vim_strnsave(arg, (int)arglen);
- return OK;
-}
-
-static void ex_colorscheme(exarg_T *eap)
-{
- if (*eap->arg == NUL) {
- char_u *expr = vim_strsave((char_u *)"g:colors_name");
- char_u *p = NULL;
-
- if (expr != NULL) {
- ++emsg_off;
- p = eval_to_string(expr, NULL, FALSE);
- --emsg_off;
- free(expr);
- }
- if (p != NULL) {
- MSG(p);
- free(p);
- } else
- MSG("default");
- } else if (load_colors(eap->arg) == FAIL)
- EMSG2(_("E185: Cannot find color scheme '%s'"), eap->arg);
-}
-
-static void ex_highlight(exarg_T *eap)
-{
- if (*eap->arg == NUL && eap->cmd[2] == '!')
- MSG(_("Greetings, Vim user!"));
- do_highlight(eap->arg, eap->forceit, FALSE);
-}
-
-
-/*
- * Call this function if we thought we were going to exit, but we won't
- * (because of an error). May need to restore the terminal mode.
- */
-void not_exiting(void)
-{
- exiting = FALSE;
- settmode(TMODE_RAW);
-}
-
-/*
- * ":quit": quit current window, quit Vim if closed the last window.
- */
-static void ex_quit(exarg_T *eap)
-{
- if (cmdwin_type != 0) {
- cmdwin_result = Ctrl_C;
- return;
- }
- /* Don't quit while editing the command line. */
- if (text_locked()) {
- text_locked_msg();
- return;
- }
- apply_autocmds(EVENT_QUITPRE, NULL, NULL, FALSE, curbuf);
- /* Refuse to quit when locked or when the buffer in the last window is
- * being closed (can only happen in autocommands). */
- if (curbuf_locked() || (curbuf->b_nwindows == 1 && curbuf->b_closing))
- return;
-
-
- /*
- * 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 ? CCGD_AW : 0)
- | (eap->forceit ? CCGD_FORCEIT : 0)
- | CCGD_EXCMD))
- || check_more(TRUE, eap->forceit) == FAIL
- || (only_one_window() && check_changed_any(eap->forceit))) {
- not_exiting();
- } else {
- if (only_one_window()) /* quit last window */
- getout(0);
- /* close window; may free buffer */
- win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
- }
-}
-
-/*
- * ":cquit".
- */
-static void ex_cquit(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(exarg_T *eap)
-{
- if (cmdwin_type != 0) {
- if (eap->forceit)
- cmdwin_result = K_XF1; /* ex_window() takes care of this */
- else
- cmdwin_result = K_XF2;
- return;
- }
-
- /* Don't quit while editing the command line. */
- if (text_locked()) {
- text_locked_msg();
- return;
- }
- apply_autocmds(EVENT_QUITPRE, NULL, NULL, FALSE, curbuf);
- /* Refuse to quit when locked or when the buffer in the last window is
- * being closed (can only happen in autocommands). */
- if (curbuf_locked() || (curbuf->b_nwindows == 1 && curbuf->b_closing))
- return;
-
- exiting = TRUE;
- if (eap->forceit || !check_changed_any(FALSE))
- getout(0);
- not_exiting();
-}
-
-/*
- * ":close": close current window, unless it is the last one
- */
-static void ex_close(exarg_T *eap)
-{
- if (cmdwin_type != 0)
- cmdwin_result = Ctrl_C;
- else if (!text_locked()
- && !curbuf_locked()
- )
- ex_win_close(eap->forceit, curwin, NULL);
-}
-
-/*
- * ":pclose": Close any preview window.
- */
-static void ex_pclose(exarg_T *eap)
-{
- win_T *win;
-
- for (win = firstwin; win != NULL; win = win->w_next)
- if (win->w_p_pvw) {
- ex_win_close(eap->forceit, win, NULL);
- break;
- }
-}
-
-/*
- * Close window "win" and take care of handling closing the last window for a
- * modified buffer.
- */
-static void
-ex_win_close (
- int forceit,
- win_T *win,
- tabpage_T *tp /* NULL or the tab page "win" is in */
-)
-{
- int need_hide;
- buf_T *buf = win->w_buffer;
-
- need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
- if (need_hide && !P_HID(buf) && !forceit) {
- if ((p_confirm || cmdmod.confirm) && p_write) {
- dialog_changed(buf, FALSE);
- if (buf_valid(buf) && bufIsChanged(buf))
- return;
- need_hide = FALSE;
- } else {
- EMSG(_(e_nowrtmsg));
- return;
- }
- }
-
-
- /* free buffer when not hiding it or when it's a scratch buffer */
- if (tp == NULL)
- win_close(win, !need_hide && !P_HID(buf));
- else
- win_close_othertab(win, !need_hide && !P_HID(buf), tp);
-}
-
-/*
- * ":tabclose": close current tab page, unless it is the last one.
- * ":tabclose N": close tab page N.
- */
-static void ex_tabclose(exarg_T *eap)
-{
- tabpage_T *tp;
-
- if (cmdwin_type != 0)
- cmdwin_result = K_IGNORE;
- else if (first_tabpage->tp_next == NULL)
- EMSG(_("E784: Cannot close last tab page"));
- else {
- if (eap->addr_count > 0) {
- tp = find_tabpage((int)eap->line2);
- if (tp == NULL) {
- beep_flush();
- return;
- }
- if (tp != curtab) {
- tabpage_close_other(tp, eap->forceit);
- return;
- }
- }
- if (!text_locked()
- && !curbuf_locked()
- )
- tabpage_close(eap->forceit);
- }
-}
-
-/*
- * ":tabonly": close all tab pages except the current one
- */
-static void ex_tabonly(exarg_T *eap)
-{
- tabpage_T *tp;
- int done;
-
- if (cmdwin_type != 0)
- cmdwin_result = K_IGNORE;
- else if (first_tabpage->tp_next == NULL)
- MSG(_("Already only one tab page"));
- else {
- /* Repeat this up to a 1000 times, because autocommands may mess
- * up the lists. */
- for (done = 0; done < 1000; ++done) {
- for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
- if (tp->tp_topframe != topframe) {
- tabpage_close_other(tp, eap->forceit);
- /* if we failed to close it quit */
- if (valid_tabpage(tp))
- done = 1000;
- /* start over, "tp" is now invalid */
- break;
- }
- if (first_tabpage->tp_next == NULL)
- break;
- }
- }
-}
-
-/*
- * Close the current tab page.
- */
-void tabpage_close(int forceit)
-{
- /* First close all the windows but the current one. If that worked then
- * close the last window in this tab, that will close it. */
- if (lastwin != firstwin)
- close_others(TRUE, forceit);
- if (lastwin == firstwin)
- ex_win_close(forceit, curwin, NULL);
-}
-
-/*
- * Close tab page "tp", which is not the current tab page.
- * Note that autocommands may make "tp" invalid.
- * Also takes care of the tab pages line disappearing when closing the
- * last-but-one tab page.
- */
-void tabpage_close_other(tabpage_T *tp, int forceit)
-{
- int done = 0;
- win_T *wp;
- int h = tabline_height();
-
- /* Limit to 1000 windows, autocommands may add a window while we close
- * one. OK, so I'm paranoid... */
- while (++done < 1000) {
- wp = tp->tp_firstwin;
- ex_win_close(forceit, wp, tp);
-
- /* Autocommands may delete the tab page under our fingers and we may
- * fail to close a window with a modified buffer. */
- if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
- break;
- }
-
- redraw_tabline = TRUE;
- if (h != tabline_height())
- shell_new_rows();
-}
-
-/*
- * ":only".
- */
-static void ex_only(exarg_T *eap)
-{
- close_others(TRUE, eap->forceit);
-}
-
-/*
- * ":all" and ":sall".
- * Also used for ":tab drop file ..." after setting the argument list.
- */
-void ex_all(exarg_T *eap)
-{
- if (eap->addr_count == 0)
- eap->line2 = 9999;
- do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
-}
-
-static void ex_hide(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);
- if (!eap->skip) {
- win_close(curwin, FALSE); /* don't free buffer */
- }
- }
-}
-
-/*
- * ":stop" and ":suspend": Suspend Vim.
- */
-static void ex_stop(exarg_T *eap)
-{
- /*
- * Disallow suspending for "rvim".
- */
- if (!check_restricted()
- ) {
- 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 */
- mch_restore_title(3); /* restore window titles */
- ui_suspend(); /* call machine specific function */
- maketitle();
- resettitle(); /* force updating the title */
- 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(exarg_T *eap)
-{
- if (cmdwin_type != 0) {
- cmdwin_result = Ctrl_C;
- return;
- }
- /* Don't quit while editing the command line. */
- if (text_locked()) {
- text_locked_msg();
- return;
- }
- apply_autocmds(EVENT_QUITPRE, NULL, NULL, FALSE, curbuf);
- /* Refuse to quit when locked or when the buffer in the last window is
- * being closed (can only happen in autocommands). */
- if (curbuf_locked() || (curbuf->b_nwindows == 1 && curbuf->b_closing))
- return;
-
- /*
- * if more files or windows we won't exit
- */
- if (check_more(FALSE, eap->forceit) == OK && only_one_window())
- exiting = TRUE;
- if ( ((eap->cmdidx == CMD_wq
- || curbufIsChanged())
- && do_write(eap) == FAIL)
- || check_more(TRUE, eap->forceit) == FAIL
- || (only_one_window() && check_changed_any(eap->forceit))) {
- not_exiting();
- } else {
- if (only_one_window()) /* quit last window, exit Vim */
- getout(0);
- /* Quit current window, may free the buffer. */
- win_close(curwin, !P_HID(curwin->w_buffer));
- }
-}
-
-/*
- * ":print", ":list", ":number".
- */
-static void ex_print(exarg_T *eap)
-{
- if (curbuf->b_ml.ml_flags & ML_EMPTY)
- EMSG(_(e_emptybuf));
- else {
- for (; !got_int; ui_breakcheck()) {
- print_line(eap->line1,
- (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
- || (eap->flags & EXFLAG_NR)),
- eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
- if (++eap->line1 > eap->line2)
- break;
- out_flush(); /* show one line at a time */
- }
- setpcmark();
- /* put cursor at last line */
- curwin->w_cursor.lnum = eap->line2;
- beginline(BL_SOL | BL_FIX);
- }
-
- ex_no_reprint = TRUE;
-}
-
-static void ex_goto(exarg_T *eap)
-{
- goto_byte(eap->line2);
-}
-
-/*
- * Clear an argument list: free all file names and reset it to zero entries.
- */
-void alist_clear(alist_T *al)
-{
- while (--al->al_ga.ga_len >= 0)
- free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
- ga_clear(&al->al_ga);
-}
-
-/*
- * Init an argument list.
- */
-void alist_init(alist_T *al)
-{
- ga_init(&al->al_ga, (int)sizeof(aentry_T), 5);
-}
-
-
-/*
- * 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(alist_T *al)
-{
- if (al != &global_alist && --al->al_refcount <= 0) {
- alist_clear(al);
- free(al);
- }
-}
-
-/*
- * Create a new argument list and use it for the current window.
- */
-void alist_new(void)
-{
- curwin->w_alist = xmalloc(sizeof(*curwin->w_alist));
- curwin->w_alist->al_refcount = 1;
- alist_init(curwin->w_alist);
-}
-
-#if !defined(UNIX) || defined(PROTO)
-/*
- * Expand the file names in the global argument list.
- * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
- * numbers to be re-used.
- */
-void alist_expand(int *fnum_list, int fnum_len)
-{
- char_u **old_arg_files;
- int old_arg_count;
- 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 = xmalloc(sizeof(*old_arg_files) * GARGCOUNT);
- for (i = 0; i < GARGCOUNT; ++i)
- old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
- old_arg_count = GARGCOUNT;
- if (expand_wildcards(old_arg_count, old_arg_files,
- &new_arg_file_count, &new_arg_files,
- EW_FILE|EW_NOTFOUND|EW_ADDSLASH|EW_NOERROR) == OK
- && new_arg_file_count > 0) {
- alist_set(&global_alist, new_arg_file_count, new_arg_files,
- TRUE, fnum_list, fnum_len);
- FreeWild(old_arg_count, 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(alist_T *al, int count, char_u **files, int use_curbuf, int *fnum_list, int fnum_len)
-{
- int i;
-
- alist_clear(al);
- ga_grow(&al->al_ga, count);
- {
- for (i = 0; i < count; ++i) {
- if (got_int) {
- /* When adding many buffers this can take a long time. Allow
- * interrupting here. */
- while (i < count)
- free(files[i++]);
- break;
- }
-
- /* May set buffer name of a buffer previously used for the
- * argument list, so that it's re-used by alist_add. */
- if (fnum_list != NULL && i < fnum_len)
- buf_set_name(fnum_list[i], files[i]);
-
- alist_add(al, files[i], use_curbuf ? 2 : 1);
- ui_breakcheck();
- }
- free(files);
- }
-
- if (al == &global_alist)
- 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 (
- 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;
-}
-
-#if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
-/*
- * Adjust slashes in file names. Called after 'shellslash' was set.
- */
-void alist_slash_adjust(void)
-{
- int i;
- win_T *wp;
- tabpage_T *tp;
-
- for (i = 0; i < GARGCOUNT; ++i)
- if (GARGLIST[i].ae_fname != NULL)
- slash_adjust(GARGLIST[i].ae_fname);
- FOR_ALL_TAB_WINDOWS(tp, wp)
- 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
-
-/*
- * ":preserve".
- */
-static void ex_preserve(exarg_T *eap)
-{
- curbuf->b_flags |= BF_PRESERVED;
- ml_preserve(curbuf, TRUE);
-}
-
-/*
- * ":recover".
- */
-static void ex_recover(exarg_T *eap)
-{
- /* Set recoverymode right away to avoid the ATTENTION prompt. */
- recoverymode = TRUE;
- if (!check_changed(curbuf, (p_awa ? CCGD_AW : 0)
- | CCGD_MULTWIN
- | (eap->forceit ? CCGD_FORCEIT : 0)
- | CCGD_EXCMD)
-
- && (*eap->arg == NUL
- || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
- ml_recover();
- recoverymode = FALSE;
-}
-
-/*
- * Command modifier used in a wrong way.
- */
-static void ex_wrongmodifier(exarg_T *eap)
-{
- eap->errmsg = e_invcmd;
-}
-
-/*
- * :sview [+command] file split window with new file, read-only
- * :split [[+command] file] split window with current or new file
- * :vsplit [[+command] file] split window vertically with current or new file
- * :new [[+command] file] split window with no or new file
- * :vnew [[+command] file] split vertically window with no or new file
- * :sfind [+command] file split window with file in 'path'
- *
- * :tabedit open new Tab page with empty window
- * :tabedit [+command] file open new Tab page and edit "file"
- * :tabnew [[+command] file] just like :tabedit
- * :tabfind [+command] file open new Tab page and find "file"
- */
-void ex_splitview(exarg_T *eap)
-{
- win_T *old_curwin = curwin;
- char_u *fname = NULL;
-
-
-
- /* A ":split" in the quickfix window works like ":new". Don't want two
- * quickfix windows. But it's OK when doing ":tab split". */
- if (bt_quickfix(curbuf) && cmdmod.tab == 0) {
- if (eap->cmdidx == CMD_split)
- eap->cmdidx = CMD_new;
- if (eap->cmdidx == CMD_vsplit)
- eap->cmdidx = CMD_vnew;
- }
-
- if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind) {
- fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
- FNAME_MESS, TRUE, curbuf->b_ffname);
- if (fname == NULL)
- goto theend;
- eap->arg = fname;
- }
-
- /*
- * Either open new tab page or split the window.
- */
- if (eap->cmdidx == CMD_tabedit
- || eap->cmdidx == CMD_tabfind
- || eap->cmdidx == CMD_tabnew) {
- if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
- : eap->addr_count == 0 ? 0
- : (int)eap->line2 + 1) != FAIL) {
- do_exedit(eap, old_curwin);
-
- /* set the alternate buffer for the window we came from */
- if (curwin != old_curwin
- && win_valid(old_curwin)
- && old_curwin->w_buffer != curbuf
- && !cmdmod.keepalt)
- old_curwin->w_alt_fnum = curbuf->b_fnum;
- }
- } else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
- *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL) {
- /* Reset 'scrollbind' when editing another file, but keep it when
- * doing ":split" without arguments. */
- if (*eap->arg != NUL
- ) {
- RESET_BINDING(curwin);
- } else
- do_check_scrollbind(FALSE);
- do_exedit(eap, old_curwin);
- }
-
-
-theend:
- free(fname);
-}
-
-/*
- * Open a new tab page.
- */
-void tabpage_new(void)
-{
- exarg_T ea;
-
- memset(&ea, 0, sizeof(ea));
- ea.cmdidx = CMD_tabnew;
- ea.cmd = (char_u *)"tabn";
- ea.arg = (char_u *)"";
- ex_splitview(&ea);
-}
-
-/*
- * :tabnext command
- */
-static void ex_tabnext(exarg_T *eap)
-{
- switch (eap->cmdidx) {
- case CMD_tabfirst:
- case CMD_tabrewind:
- goto_tabpage(1);
- break;
- case CMD_tablast:
- goto_tabpage(9999);
- break;
- case CMD_tabprevious:
- case CMD_tabNext:
- goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
- break;
- default: /* CMD_tabnext */
- goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
- break;
- }
-}
-
-/*
- * :tabmove command
- */
-static void ex_tabmove(exarg_T *eap)
-{
- int tab_number = 9999;
-
- if (eap->arg && *eap->arg != NUL) {
- char_u *p = eap->arg;
- int relative = 0; /* argument +N/-N means: move N places to the
- * right/left relative to the current position. */
-
- if (*eap->arg == '-') {
- relative = -1;
- p = eap->arg + 1;
- } else if (*eap->arg == '+') {
- relative = 1;
- p = eap->arg + 1;
- } else
- p = eap->arg;
-
- if (p == skipdigits(p)) {
- /* No numbers as argument. */
- eap->errmsg = e_invarg;
- return;
- }
-
- tab_number = getdigits(&p);
- if (relative != 0)
- tab_number = tab_number * relative + tabpage_index(curtab) - 1; ;
- } else if (eap->addr_count != 0)
- tab_number = eap->line2;
-
- tabpage_move(tab_number);
-}
-
-/*
- * :tabs command: List tabs and their contents.
- */
-static void ex_tabs(exarg_T *eap)
-{
- tabpage_T *tp;
- win_T *wp;
- int tabcount = 1;
-
- msg_start();
- msg_scroll = TRUE;
- for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next) {
- msg_putchar('\n');
- vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
- msg_outtrans_attr(IObuff, hl_attr(HLF_T));
- out_flush(); /* output one line at a time */
- ui_breakcheck();
-
- if (tp == curtab)
- wp = firstwin;
- else
- wp = tp->tp_firstwin;
- for (; wp != NULL && !got_int; wp = wp->w_next) {
- msg_putchar('\n');
- msg_putchar(wp == curwin ? '>' : ' ');
- msg_putchar(' ');
- msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
- msg_putchar(' ');
- if (buf_spname(wp->w_buffer) != NULL)
- vim_strncpy(IObuff, buf_spname(wp->w_buffer), IOSIZE - 1);
- else
- home_replace(wp->w_buffer, wp->w_buffer->b_fname,
- IObuff, IOSIZE, TRUE);
- msg_outtrans(IObuff);
- out_flush(); /* output one line at a time */
- ui_breakcheck();
- }
- }
-}
-
-
-/*
- * ":mode":
- * If no argument given, get the screen size and redraw.
- */
-static void ex_mode(exarg_T *eap)
-{
- if (*eap->arg == NUL) {
- shell_resized();
- } else {
- EMSG(_(e_screenmode));
- }
-}
-
-/*
- * ":resize".
- * set, increment or decrement current window height
- */
-static void ex_resize(exarg_T *eap)
-{
- int n;
- win_T *wp = curwin;
-
- if (eap->addr_count > 0) {
- n = eap->line2;
- for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
- ;
- }
-
- n = atol((char *)eap->arg);
- 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 {
- 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);
- }
-}
-
-/*
- * ":find [+command] <file>" command.
- */
-static void ex_find(exarg_T *eap)
-{
- 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) {
- free(fname);
- fname = find_file_in_path(NULL, 0, FNAME_MESS,
- FALSE, curbuf->b_ffname);
- }
- }
-
- if (fname != NULL) {
- eap->arg = fname;
- do_exedit(eap, NULL);
- free(fname);
- }
-}
-
-/*
- * ":open" simulation: for now just work like ":visual".
- */
-static void ex_open(exarg_T *eap)
-{
- regmatch_T regmatch;
- char_u *p;
-
- curwin->w_cursor.lnum = eap->line2;
- beginline(BL_SOL | BL_FIX);
- if (*eap->arg == '/') {
- /* ":open /pattern/": put cursor in column found with pattern */
- ++eap->arg;
- p = skip_regexp(eap->arg, '/', p_magic, NULL);
- *p = NUL;
- regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
- if (regmatch.regprog != NULL) {
- regmatch.rm_ic = p_ic;
- p = ml_get_curline();
- if (vim_regexec(&regmatch, p, (colnr_T)0))
- curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
- else
- EMSG(_(e_nomatch));
- vim_regfree(regmatch.regprog);
- }
- /* Move to the NUL, ignore any other arguments. */
- eap->arg += STRLEN(eap->arg);
- }
- check_cursor();
-
- eap->cmdidx = CMD_visual;
- do_exedit(eap, NULL);
-}
-
-/*
- * ":edit", ":badd", ":visual".
- */
-static void ex_edit(exarg_T *eap)
-{
- do_exedit(eap, NULL);
-}
-
-/*
- * ":edit <file>" command and alikes.
- */
-void
-do_exedit (
- exarg_T *eap,
- win_T *old_curwin /* curwin before doing a split or NULL */
-)
-{
- int n;
- int need_hide;
- int exmode_was = exmode_active;
-
- /*
- * ":vi" command ends Ex mode.
- */
- if (exmode_active && (eap->cmdidx == CMD_visual
- || eap->cmdidx == CMD_view)) {
- exmode_active = FALSE;
- if (*eap->arg == NUL) {
- /* Special case: ":global/pat/visual\NLvi-commands" */
- if (global_busy) {
- int rd = RedrawingDisabled;
- int nwr = no_wait_return;
- int ms = msg_scroll;
-
- if (eap->nextcmd != NULL) {
- stuffReadbuff(eap->nextcmd);
- eap->nextcmd = NULL;
- }
-
- if (exmode_was != EXMODE_VIM)
- settmode(TMODE_RAW);
- RedrawingDisabled = 0;
- no_wait_return = 0;
- need_wait_return = FALSE;
- msg_scroll = 0;
- must_redraw = CLEAR;
-
- main_loop(FALSE, TRUE);
-
- RedrawingDisabled = rd;
- no_wait_return = nwr;
- msg_scroll = ms;
- }
- return;
- }
- }
-
- if ((eap->cmdidx == CMD_new
- || eap->cmdidx == CMD_tabnew
- || eap->cmdidx == CMD_tabedit
- || eap->cmdidx == CMD_vnew
- ) && *eap->arg == NUL) {
- /* ":new" or ":tabnew" without argument: edit an new empty buffer */
- setpcmark();
- (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
- ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
- old_curwin == NULL ? curwin : NULL);
- } else if ((eap->cmdidx != CMD_split
- && eap->cmdidx != CMD_vsplit
- )
- || *eap->arg != NUL
- ) {
- /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
- * can bring us here, others are stopped earlier. */
- if (*eap->arg != NUL && curbuf_locked())
- return;
- n = readonlymode;
- if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
- readonlymode = TRUE;
- else if (eap->cmdidx == CMD_enew)
- readonlymode = FALSE; /* 'readonly' doesn't make sense in an
- empty buffer */
- 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)
- // After a split we can use an existing buffer.
- + (old_curwin != NULL ? ECMD_OLDBUF : 0)
- + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
- , old_curwin == NULL ? curwin : NULL) == FAIL) {
- /* Editing the file failed. If the window was split, close it. */
- if (old_curwin != NULL) {
- need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
- if (!need_hide || P_HID(curbuf)) {
- cleanup_T cs;
-
- /* Reset the error/interrupt/exception state here so that
- * aborting() returns FALSE when closing a window. */
- enter_cleanup(&cs);
- win_close(curwin, !need_hide && !P_HID(curbuf));
-
- /* Restore the error/interrupt/exception state if not
- * discarded by a new aborting error, interrupt, or
- * uncaught exception. */
- leave_cleanup(&cs);
- }
- }
- } 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);
- n = curwin->w_arg_idx_invalid;
- check_arg_idx(curwin);
- if (n != curwin->w_arg_idx_invalid)
- maketitle();
- }
-
- /*
- * if ":split file" worked, set alternate file name in old window to new
- * file
- */
- if (old_curwin != NULL
- && *eap->arg != NUL
- && curwin != old_curwin
- && win_valid(old_curwin)
- && old_curwin->w_buffer != curbuf
- && !cmdmod.keepalt)
- old_curwin->w_alt_fnum = curbuf->b_fnum;
-
- ex_no_reprint = TRUE;
-}
-
-/*
- * ":gui" and ":gvim" when there is no GUI.
- */
-static void ex_nogui(exarg_T *eap)
-{
- eap->errmsg = e_nogvim;
-}
-
-
-
-static void ex_swapname(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>)
- */
-static void ex_syncbind(exarg_T *eap)
-{
- win_T *wp;
- win_T *save_curwin = curwin;
- buf_T *save_curbuf = curbuf;
- long topline;
- long y;
- linenr_T old_linenr = curwin->w_cursor.lnum;
-
- setpcmark();
-
- /*
- * determine max topline
- */
- if (curwin->w_p_scb) {
- topline = curwin->w_topline;
- for (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.
- */
- for (curwin = firstwin; curwin; curwin = curwin->w_next) {
- if (curwin->w_p_scb) {
- curbuf = curwin->w_buffer;
- y = topline - curwin->w_topline;
- if (y > 0)
- scrollup(y, TRUE);
- else
- scrolldown(-y, TRUE);
- curwin->w_scbind_pos = topline;
- redraw_later(VALID);
- cursor_correct();
- curwin->w_redr_status = TRUE;
- }
- }
- curwin = save_curwin;
- curbuf = save_curbuf;
- if (curwin->w_p_scb) {
- did_syncbind = TRUE;
- checkpcmark();
- if (old_linenr != curwin->w_cursor.lnum) {
- char_u ctrl_o[2];
-
- ctrl_o[0] = Ctrl_O;
- ctrl_o[1] = 0;
- ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
- }
- }
-}
-
-
-static void ex_read(exarg_T *eap)
-{
- int i;
- int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
- linenr_T lnum;
-
- if (eap->usefilter) /* :r!cmd */
- do_bang(1, eap, FALSE, FALSE, TRUE);
- else {
- if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
- return;
-
- 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 (!aborting())
- EMSG2(_(e_notopen), eap->arg);
- } else {
- if (empty && exmode_active) {
- /* Delete the empty line that remains. Historically ex does
- * this but vi doesn't. */
- if (eap->line2 == 0)
- lnum = curbuf->b_ml.ml_line_count;
- else
- lnum = 1;
- if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK) {
- ml_delete(lnum, FALSE);
- if (curwin->w_cursor.lnum > 1
- && curwin->w_cursor.lnum >= lnum)
- --curwin->w_cursor.lnum;
- deleted_lines_mark(lnum, 1L);
- }
- }
- redraw_curbuf_later(VALID);
- }
- }
-}
-
-static char_u *prev_dir = NULL;
-
-#if defined(EXITFREE) || defined(PROTO)
-void free_cd_dir(void)
-{
- free(prev_dir);
- prev_dir = NULL;
-
- free(globaldir);
- globaldir = NULL;
-}
-
-#endif
-
-/*
- * Deal with the side effects of changing the current directory.
- * When "local" is TRUE then this was after an ":lcd" command.
- */
-void post_chdir(int local)
-{
- free(curwin->w_localdir);
- curwin->w_localdir = NULL;
- if (local) {
- /* 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 (os_dirname(NameBuff, MAXPATHL) == OK)
- curwin->w_localdir = vim_strsave(NameBuff);
- } else {
- /* We are now in the global directory, no need to remember its
- * name. */
- free(globaldir);
- globaldir = NULL;
- }
-
- shorten_fnames(TRUE);
-}
-
-
-/*
- * ":cd", ":lcd", ":chdir" and ":lchdir".
- */
-void ex_cd(exarg_T *eap)
-{
- char_u *new_dir;
- char_u *tofree;
-
- new_dir = eap->arg;
-#if !defined(UNIX)
- /* for non-UNIX ":cd" means: print current directory */
- if (*new_dir == NUL)
- ex_pwd(NULL);
- else
-#endif
- {
- if (allbuf_locked())
- return;
- if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
- && !eap->forceit) {
- EMSG(_(
- "E747: Cannot change directory, buffer is modified (add ! to override)"));
- return;
- }
-
- /* ":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 (os_dirname(NameBuff, MAXPATHL) == OK)
- prev_dir = vim_strsave(NameBuff);
- else
- prev_dir = NULL;
-
-#if defined(UNIX)
- /* for UNIX ":cd" means: go to home directory */
- if (*new_dir == NUL) {
- /* use NameBuff for home directory name */
- expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
- new_dir = NameBuff;
- }
-#endif
- if (new_dir == NULL || vim_chdir(new_dir))
- EMSG(_(e_failed));
- else {
- post_chdir(eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir);
-
- /* Echo the new current directory if the command was typed. */
- if (KeyTyped || p_verbose >= 5)
- ex_pwd(eap);
- }
- free(tofree);
- }
-}
-
-/*
- * ":pwd".
- */
-static void ex_pwd(exarg_T *eap)
-{
- if (os_dirname(NameBuff, MAXPATHL) == OK) {
-#ifdef BACKSLASH_IN_FILENAME
- slash_adjust(NameBuff);
-#endif
- msg(NameBuff);
- } else
- EMSG(_("E187: Unknown"));
-}
-
-/*
- * ":=".
- */
-static void ex_equal(exarg_T *eap)
-{
- smsg((char_u *)"%" PRId64, (int64_t)eap->line2);
- ex_may_print(eap);
-}
-
-static void ex_sleep(exarg_T *eap)
-{
- int n;
- long len;
-
- if (cursor_valid()) {
- n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
- if (n >= 0)
- windgoto((int)n, W_WINCOL(curwin) + curwin->w_wcol);
- }
-
- len = eap->line2;
- switch (*eap->arg) {
- case 'm': break;
- case NUL: len *= 1000L; break;
- default: EMSG2(_(e_invarg2), eap->arg); return;
- }
- do_sleep(len);
-}
-
-/*
- * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
- */
-void do_sleep(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(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(exarg_T *eap)
-{
- int w, h;
- char_u *arg = eap->arg;
- char_u *p;
-
- w = getdigits(&arg);
- arg = skipwhite(arg);
- p = arg;
- h = getdigits(&arg);
- if (*p != NUL && *arg == NUL)
- set_shellsize(w, h, TRUE);
- else
- EMSG(_("E465: :winsize requires two number arguments"));
-}
-
-static void ex_wincmd(exarg_T *eap)
-{
- int xchar = NUL;
- char_u *p;
-
- if (*eap->arg == 'g' || *eap->arg == Ctrl_G) {
- /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
- if (eap->arg[1] == NUL) {
- EMSG(_(e_invarg));
- return;
- }
- xchar = eap->arg[1];
- p = eap->arg + 2;
- } else
- p = eap->arg + 1;
-
- eap->nextcmd = check_nextcmd(p);
- p = skipwhite(p);
- if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
- EMSG(_(e_invarg));
- else if (!eap->skip) {
- /* Pass flags on for ":vertical wincmd ]". */
- postponed_split_flags = cmdmod.split;
- postponed_split_tab = cmdmod.tab;
- do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
- postponed_split_flags = 0;
- postponed_split_tab = 0;
- }
-}
-
-#if defined(FEAT_GUI) || defined(UNIX) || defined(MSWIN)
-/*
- * ":winpos".
- */
-static void ex_winpos(eap)
-exarg_T *eap;
-{
- int x, y;
- char_u *arg = eap->arg;
- char_u *p;
-
- if (*arg == NUL) {
- 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 HAVE_TGETENT
- if (*T_CWP)
- term_set_winpos(x, y);
-# endif
- }
-}
-#endif
-
-/*
- * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
- */
-static void ex_operators(exarg_T *eap)
-{
- oparg_T oa;
-
- clear_oparg(&oa);
- oa.regname = eap->regname;
- oa.start.lnum = eap->line1;
- oa.end.lnum = eap->line2;
- oa.line_count = eap->line2 - eap->line1 + 1;
- oa.motion_type = MLINE;
- virtual_op = FALSE;
- if (eap->cmdidx != CMD_yank) { /* position cursor for undo */
- setpcmark();
- curwin->w_cursor.lnum = eap->line1;
- beginline(BL_SOL | BL_FIX);
- }
-
- if (VIsual_active)
- end_visual_mode();
-
- switch (eap->cmdidx) {
- case CMD_delete:
- oa.op_type = OP_DELETE;
- op_delete(&oa);
- break;
-
- case CMD_yank:
- oa.op_type = OP_YANK;
- (void)op_yank(&oa, FALSE, TRUE);
- break;
-
- default: /* CMD_rshift or CMD_lshift */
- if (
- (eap->cmdidx == CMD_rshift) ^ curwin->w_p_rl
- )
- oa.op_type = OP_RSHIFT;
- else
- oa.op_type = OP_LSHIFT;
- op_shift(&oa, FALSE, eap->amount);
- break;
- }
- virtual_op = MAYBE;
- ex_may_print(eap);
-}
-
-/*
- * ":put".
- */
-static void ex_put(exarg_T *eap)
-{
- /* ":0put" works like ":1put!". */
- if (eap->line2 == 0) {
- eap->line2 = 1;
- eap->forceit = TRUE;
- }
- curwin->w_cursor.lnum = eap->line2;
- do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
- PUT_LINE|PUT_CURSLINE);
-}
-
-/*
- * Handle ":copy" and ":move".
- */
-static void ex_copymove(exarg_T *eap)
-{
- long n;
-
- n = get_address(&eap->arg, FALSE, FALSE);
- if (eap->arg == NULL) { /* error detected */
- eap->nextcmd = NULL;
- return;
- }
- get_flags(eap);
-
- /*
- * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
- */
- if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count) {
- EMSG(_(e_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);
- ex_may_print(eap);
-}
-
-/*
- * Print the current line if flags were given to the Ex command.
- */
-void ex_may_print(exarg_T *eap)
-{
- if (eap->flags != 0) {
- print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
- (eap->flags & EXFLAG_LIST));
- ex_no_reprint = TRUE;
- }
-}
-
-/*
- * ":smagic" and ":snomagic".
- */
-static void ex_submagic(exarg_T *eap)
-{
- int magic_save = p_magic;
-
- p_magic = (eap->cmdidx == CMD_smagic);
- do_sub(eap);
- p_magic = magic_save;
-}
-
-/*
- * ":join".
- */
-static void ex_join(exarg_T *eap)
-{
- curwin->w_cursor.lnum = eap->line1;
- if (eap->line1 == eap->line2) {
- if (eap->addr_count >= 2) /* :2,2join does nothing */
- return;
- if (eap->line2 == curbuf->b_ml.ml_line_count) {
- beep_flush();
- return;
- }
- ++eap->line2;
- }
- (void)do_join(eap->line2 - eap->line1 + 1, !eap->forceit, TRUE, TRUE);
- beginline(BL_WHITE | BL_FIX);
- ex_may_print(eap);
-}
-
-/*
- * ":[addr]@r" or ":[addr]*r": execute register
- */
-static void ex_at(exarg_T *eap)
-{
- int c;
- int prev_len = typebuf.tb_len;
-
- curwin->w_cursor.lnum = eap->line2;
-
-#ifdef USE_ON_FLY_SCROLL
- dont_scroll = TRUE; /* disallow scrolling here */
-#endif
-
- /* get the register name. No name means to use the previous one */
- c = *eap->arg;
- if (c == NUL || (c == '*' && *eap->cmd == '*'))
- c = '@';
- /* Put the register in the typeahead buffer with the "silent" flag. */
- if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
- == FAIL) {
- beep_flush();
- } else {
- int save_efr = exec_from_reg;
-
- exec_from_reg = TRUE;
-
- /*
- * Execute from the typeahead buffer.
- * Continue until the stuff buffer is empty and all added characters
- * have been consumed.
- */
- while (!stuff_empty() || typebuf.tb_len > prev_len)
- (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
-
- exec_from_reg = save_efr;
- }
-}
-
-/*
- * ":!".
- */
-static void ex_bang(exarg_T *eap)
-{
- do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
-}
-
-/*
- * ":undo".
- */
-static void ex_undo(exarg_T *eap)
-{
- if (eap->addr_count == 1) /* :undo 123 */
- undo_time(eap->line2, FALSE, FALSE, TRUE);
- else
- u_undo(1);
-}
-
-static void ex_wundo(exarg_T *eap)
-{
- char_u hash[UNDO_HASH_SIZE];
-
- u_compute_hash(hash);
- u_write_undo(eap->arg, eap->forceit, curbuf, hash);
-}
-
-static void ex_rundo(exarg_T *eap)
-{
- char_u hash[UNDO_HASH_SIZE];
-
- u_compute_hash(hash);
- u_read_undo(eap->arg, hash, NULL);
-}
-
-/*
- * ":redo".
- */
-static void ex_redo(exarg_T *eap)
-{
- u_redo(1);
-}
-
-/*
- * ":earlier" and ":later".
- */
-static void ex_later(exarg_T *eap)
-{
- long count = 0;
- int sec = FALSE;
- int file = FALSE;
- char_u *p = eap->arg;
-
- if (*p == NUL)
- count = 1;
- else if (isdigit(*p)) {
- count = getdigits(&p);
- switch (*p) {
- case 's': ++p; sec = TRUE; break;
- case 'm': ++p; sec = TRUE; count *= 60; break;
- case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
- case 'd': ++p; sec = TRUE; count *= 24 * 60 * 60; break;
- case 'f': ++p; file = TRUE; break;
- }
- }
-
- if (*p != NUL)
- EMSG2(_(e_invarg2), eap->arg);
- else
- undo_time(eap->cmdidx == CMD_earlier ? -count : count,
- sec, file, FALSE);
-}
-
-/*
- * ":redir": start/stop redirection.
- */
-static void ex_redir(exarg_T *eap)
-{
- char *mode;
- char_u *fname;
- char_u *arg = eap->arg;
-
- if (STRICMP(eap->arg, "END") == 0)
- close_redir();
- else {
- if (*arg == '>') {
- ++arg;
- if (*arg == '>') {
- ++arg;
- mode = "a";
- } else
- mode = "w";
- arg = skipwhite(arg);
-
- close_redir();
-
- /* Expand environment variables and "~/". */
- fname = expand_env_save(arg);
- if (fname == NULL)
- return;
-
- redir_fd = open_exfile(fname, eap->forceit, mode);
- free(fname);
- } else if (*arg == '@') {
- /* redirect to a register a-z (resp. A-Z for appending) */
- close_redir();
- ++arg;
- if (ASCII_ISALPHA(*arg)
- || *arg == '"') {
- redir_reg = *arg++;
- if (*arg == '>' && arg[1] == '>') /* append */
- arg += 2;
- else {
- /* Can use both "@a" and "@a>". */
- if (*arg == '>')
- arg++;
- /* Make register empty when not using @A-@Z and the
- * command is valid. */
- if (*arg == NUL && !isupper(redir_reg))
- write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
- }
- }
- if (*arg != NUL) {
- redir_reg = 0;
- EMSG2(_(e_invarg2), eap->arg);
- }
- } else if (*arg == '=' && arg[1] == '>') {
- int append;
-
- /* redirect to a variable */
- close_redir();
- arg += 2;
-
- if (*arg == '>') {
- ++arg;
- append = TRUE;
- } else
- append = FALSE;
-
- if (var_redir_start(skipwhite(arg), append) == OK)
- redir_vname = 1;
- }
- /* TODO: redirect to a buffer */
- else
- EMSG2(_(e_invarg2), eap->arg);
- }
-
- /* Make sure redirection is not off. Can happen for cmdline completion
- * that indirectly invokes a command to catch its output. */
- if (redir_fd != NULL
- || redir_reg || redir_vname
- )
- redir_off = FALSE;
-}
-
-/*
- * ":redraw": force redraw
- */
-static void ex_redraw(exarg_T *eap)
-{
- int r = RedrawingDisabled;
- int p = p_lz;
-
- RedrawingDisabled = 0;
- p_lz = FALSE;
- update_topline();
- update_screen(eap->forceit ? CLEAR :
- VIsual_active ? INVERTED :
- 0);
- if (need_maketitle)
- maketitle();
- RedrawingDisabled = r;
- p_lz = p;
-
- /* Reset msg_didout, so that a message that's there is overwritten. */
- msg_didout = FALSE;
- msg_col = 0;
-
- /* No need to wait after an intentional redraw. */
- need_wait_return = FALSE;
-
- out_flush();
-}
-
-/*
- * ":redrawstatus": force redraw of status line(s)
- */
-static void ex_redrawstatus(exarg_T *eap)
-{
- int r = RedrawingDisabled;
- int p = p_lz;
-
- RedrawingDisabled = 0;
- p_lz = FALSE;
- if (eap->forceit)
- status_redraw_all();
- else
- status_redraw_curbuf();
- update_screen(
- VIsual_active ? INVERTED :
- 0);
- RedrawingDisabled = r;
- p_lz = p;
- out_flush();
-}
-
-static void close_redir(void)
-{
- if (redir_fd != NULL) {
- fclose(redir_fd);
- redir_fd = NULL;
- }
- redir_reg = 0;
- if (redir_vname) {
- var_redir_stop();
- redir_vname = 0;
- }
-}
-
-#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(exarg_T *eap)
-{
- FILE *fd;
- int failed = FALSE;
- char_u *fname;
- int view_session = FALSE;
- int using_vdir = FALSE; /* using 'viewdir'? */
- char_u *viewFile = NULL;
- unsigned *flagp;
-
- if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview) {
- view_session = TRUE;
- }
-
- /* Use the short file name until ":lcd" is used. We also don't use the
- * short file name when 'acd' is set, that is checked later. */
- did_lcd = FALSE;
-
- /* ":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 if (*eap->arg != NUL)
- fname = eap->arg;
- else if (eap->cmdidx == CMD_mkvimrc)
- fname = (char_u *)VIMRC_FILE;
- else if (eap->cmdidx == CMD_mksession)
- fname = (char_u *)SESSION_FILE;
- else
- fname = (char_u *)EXRC_FILE;
-
- /* When using 'viewdir' may have to create the directory. */
- if (using_vdir && !os_isdir(p_vdir)) {
- vim_mkdir_emsg(p_vdir, 0755);
- }
-
- fd = open_exfile(fname, eap->forceit, WRITEBIN);
- if (fd != NULL) {
- if (eap->cmdidx == CMD_mkview)
- flagp = &vop_flags;
- else
- flagp = &ssop_flags;
-
-#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");
-
- if (eap->cmdidx == CMD_mksession) {
- if (put_line(fd, "let SessionLoad = 1") == FAIL)
- failed = TRUE;
- }
-
- if (eap->cmdidx != CMD_mkview) {
- /* 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");
- }
-
- if (!view_session
- || (eap->cmdidx == CMD_mksession
- && (*flagp & SSOP_OPTIONS)))
- failed |= (makemap(fd, NULL) == FAIL
- || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
-
- 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; /* current directory */
-
- dirnow = xmalloc(MAXPATHL);
- /*
- * Change to session file's dir.
- */
- if (os_dirname(dirnow, MAXPATHL) == FAIL
- || os_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) {
- if (os_chdir((char *)globaldir) == 0)
- 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 (os_chdir((char *)dirnow) != 0)
- EMSG(_(e_prev_dir));
- shorten_fnames(TRUE);
- /* restore original dir */
- if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
- || ((ssop_flags & SSOP_CURDIR) && globaldir !=
- NULL))) {
- if (os_chdir((char *)dirnow) != 0)
- EMSG(_(e_prev_dir));
- shorten_fnames(TRUE);
- }
- }
- free(dirnow);
- } else {
- failed |= (put_view(fd, curwin, !using_vdir, flagp,
- -1) == FAIL);
- }
- if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
- == FAIL)
- failed = TRUE;
- if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
- failed = TRUE;
- if (eap->cmdidx == CMD_mksession) {
- if (put_line(fd, "unlet SessionLoad") == FAIL)
- failed = TRUE;
- }
- }
- if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
- failed = TRUE;
-
- failed |= fclose(fd);
-
- if (failed)
- EMSG(_(e_write));
- else if (eap->cmdidx == CMD_mksession) {
- /* successful session write - set this_session var */
- char_u *tbuf;
-
- tbuf = xmalloc(MAXPATHL);
- if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
- set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
- free(tbuf);
- }
-#ifdef MKSESSION_NL
- mksession_nl = FALSE;
-#endif
- }
-
- free(viewFile);
-}
-
-int vim_mkdir_emsg(char_u *name, int prot)
-{
- if (os_mkdir((char *)name, prot) != 0) {
- EMSG2(_("E739: Cannot create directory: %s"), name);
- return FAIL;
- }
- return OK;
-}
-
-/*
- * Open a file for writing for an Ex command, with some checks.
- * Return file descriptor, or NULL on failure.
- */
-FILE *
-open_exfile (
- char_u *fname,
- int forceit,
- char *mode /* "w" for create new file or "a" for append */
-)
-{
- FILE *fd;
-
-#ifdef UNIX
- /* with Unix it is possible to open a directory */
- if (os_isdir(fname)) {
- EMSG2(_(e_isadir2), fname);
- return NULL;
- }
-#endif
- if (!forceit && *mode != 'a' && os_file_exists(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(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(void)
-{
- check_cursor(); /* put cursor on valid line */
- update_topline();
- if (!curwin->w_p_wrap)
- validate_cursor();
- update_curswant();
-}
-
-/*
- * ":normal[!] {commands}": Execute normal mode commands.
- */
-static void ex_normal(exarg_T *eap)
-{
- 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;
- int save_opcount = opcount;
- char_u *arg = NULL;
- int l;
- char_u *p;
-
- if (ex_normal_lock > 0) {
- EMSG(_(e_secure));
- return;
- }
- if (ex_normal_busy >= p_mmd) {
- EMSG(_("E192: Recursive use of :normal too deep"));
- return;
- }
- ++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' */
-
- /*
- * 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) {
- for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
- if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
- )
- len += 2;
- }
- if (len > 0) {
- arg = xmalloc(STRLEN(eap->arg) + len + 1);
- len = 0;
- for (p = eap->arg; *p != NUL; ++p) {
- arg[len++] = *p;
- for (l = (*mb_ptr2len)(p) - 1; l > 0; --l) {
- arg[len++] = *++p;
- if (*p == K_SPECIAL) {
- arg[len++] = KS_SPECIAL;
- arg[len++] = KE_FILLER;
- }
- }
- arg[len] = NUL;
- }
- }
- }
-
- /*
- * 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 {
- if (eap->addr_count != 0) {
- curwin->w_cursor.lnum = eap->line1++;
- curwin->w_cursor.col = 0;
- }
-
- exec_normal_cmd(
- arg != NULL ? arg :
- eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
- } while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
- }
-
- /* Might not return to the main loop when in an event handler. */
- update_topline_cursor();
-
- /* Restore 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;
- opcount = save_opcount;
- 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;
- free(arg);
-}
-
-/*
- * ":startinsert", ":startreplace" and ":startgreplace"
- */
-static void ex_startinsert(exarg_T *eap)
-{
- if (eap->forceit) {
- coladvance((colnr_T)MAXCOL);
- curwin->w_curswant = MAXCOL;
- curwin->w_set_curswant = FALSE;
- }
-
- /* Ignore the command when already in Insert mode. Inserting an
- * expression register that invokes a function can do this. */
- if (State & INSERT)
- return;
-
- if (eap->cmdidx == CMD_startinsert)
- restart_edit = 'a';
- else if (eap->cmdidx == CMD_startreplace)
- restart_edit = 'R';
- else
- restart_edit = 'V';
-
- if (!eap->forceit) {
- if (eap->cmdidx == CMD_startinsert)
- restart_edit = 'i';
- curwin->w_curswant = 0; /* avoid MAXCOL */
- }
-}
-
-/*
- * ":stopinsert"
- */
-static void ex_stopinsert(exarg_T *eap)
-{
- restart_edit = 0;
- stop_insert_mode = TRUE;
-}
-
-/*
- * Execute normal mode command "cmd".
- * "remap" can be REMAP_NONE or REMAP_YES.
- */
-void exec_normal_cmd(char_u *cmd, int remap, int silent)
-{
- oparg_T oa;
-
- /*
- * Stuff the argument into the typeahead buffer.
- * Execute normal_cmd() until there is no typeahead left.
- */
- clear_oparg(&oa);
- finish_op = FALSE;
- ins_typebuf(cmd, remap, 0, TRUE, silent);
- while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
- && !got_int) {
- update_topline_cursor();
- normal_cmd(&oa, TRUE); /* execute a Normal mode cmd */
- }
-}
-
-static void ex_checkpath(exarg_T *eap)
-{
- find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
- eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
- (linenr_T)1, (linenr_T)MAXLNUM);
-}
-
-/*
- * ":psearch"
- */
-static void ex_psearch(exarg_T *eap)
-{
- g_do_tagpreview = p_pvh;
- ex_findpat(eap);
- g_do_tagpreview = 0;
-}
-
-static void ex_findpat(exarg_T *eap)
-{
- int whole = TRUE;
- long n;
- char_u *p;
- int action;
-
- switch (cmdnames[eap->cmdidx].cmd_name[2]) {
- case 'e': /* ":psearch", ":isearch" and ":dsearch" */
- if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
- action = ACTION_GOTO;
- else
- action = ACTION_SHOW;
- break;
- case 'i': /* ":ilist" and ":dlist" */
- action = ACTION_SHOW_ALL;
- break;
- case 'u': /* ":ijump" and ":djump" */
- action = ACTION_GOTO;
- break;
- default: /* ":isplit" and ":dsplit" */
- action = ACTION_SPLIT;
- break;
- }
-
- n = 1;
- if (vim_isdigit(*eap->arg)) { /* get count */
- n = getdigits(&eap->arg);
- eap->arg = skipwhite(eap->arg);
- }
- if (*eap->arg == '/') { /* Match regexp, not just whole words */
- whole = FALSE;
- ++eap->arg;
- p = skip_regexp(eap->arg, '/', 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);
-}
-
-
-/*
- * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
- */
-static void ex_ptag(exarg_T *eap)
-{
- g_do_tagpreview = p_pvh; /* will be reset to 0 in ex_tag_cmd() */
- ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
-}
-
-/*
- * ":pedit"
- */
-static void ex_pedit(exarg_T *eap)
-{
- win_T *curwin_save = curwin;
-
- g_do_tagpreview = p_pvh;
- prepare_tagpreview(TRUE);
- 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;
-}
-
-/*
- * ":stag", ":stselect" and ":stjump".
- */
-static void ex_stag(exarg_T *eap)
-{
- postponed_split = -1;
- postponed_split_flags = cmdmod.split;
- postponed_split_tab = cmdmod.tab;
- ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
- postponed_split_flags = 0;
- postponed_split_tab = 0;
-}
-
-/*
- * ":tag", ":tselect", ":tjump", ":tnext", etc.
- */
-static void ex_tag(exarg_T *eap)
-{
- ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
-}
-
-static void ex_tag_cmd(exarg_T *eap, char_u *name)
-{
- int cmd;
-
- switch (name[1]) {
- case 'j': cmd = DT_JUMP; /* ":tjump" */
- break;
- case 's': cmd = DT_SELECT; /* ":tselect" */
- break;
- case 'p': cmd = DT_PREV; /* ":tprevious" */
- break;
- case 'N': cmd = DT_PREV; /* ":tNext" */
- break;
- case 'n': cmd = DT_NEXT; /* ":tnext" */
- break;
- case 'o': cmd = DT_POP; /* ":pop" */
- break;
- case 'f': /* ":tfirst" */
- case 'r': cmd = DT_FIRST; /* ":trewind" */
- break;
- case 'l': cmd = DT_LAST; /* ":tlast" */
- break;
- default: /* ":tag" */
- if (p_cst && *eap->arg != NUL) {
- do_cstag(eap);
- return;
- }
- cmd = DT_TAG;
- break;
- }
-
- if (name[0] == 'l') {
- cmd = DT_LTAG;
- }
-
- do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
- eap->forceit, TRUE);
-}
-
-/*
- * Check "str" for starting with a special cmdline variable.
- * If found return one of the SPEC_ values and set "*usedlen" to the length of
- * the variable. Otherwise return -1 and "*usedlen" is unchanged.
- */
-int find_cmdline_var(char_u *src, int *usedlen)
-{
- int len;
- int i;
- static char *(spec_str[]) = {
- "%",
-#define SPEC_PERC 0
- "#",
-#define SPEC_HASH 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
- "<slnum>", /* ":so" file line number */
-#define SPEC_SLNUM 6
- "<afile>", /* autocommand file name */
-# define SPEC_AFILE 7
- "<abuf>", /* autocommand buffer number */
-# define SPEC_ABUF 8
- "<amatch>", /* autocommand match name */
-# define SPEC_AMATCH 9
- };
-
- for (i = 0; i < (int)(sizeof(spec_str) / sizeof(char *)); ++i) {
- len = (int)STRLEN(spec_str[i]);
- if (STRNCMP(src, spec_str[i], len) == 0) {
- *usedlen = len;
- return i;
- }
- }
- return -1;
-}
-
-/*
- * Evaluate cmdline variables.
- *
- * change '%' to curbuf->b_ffname
- * '#' to curwin->w_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
- * '<slnum>' to sourced file line number
- * '<afile>' to file name for autocommand
- * '<abuf>' to buffer number for autocommand
- * '<amatch>' to matching name for autocommand
- *
- * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
- * "" for error without a message) and NULL is returned.
- * Returns an allocated string if a valid match was found.
- * Returns NULL if no match was found. "usedlen" then still contains the
- * number of characters to skip.
- */
-char_u *
-eval_vars (
- char_u *src, /* pointer into commandline */
- char_u *srcstart, /* beginning of valid memory for src */
- int *usedlen, /* characters after src that are used */
- linenr_T *lnump, /* line number for :e command, or NULL */
- char_u **errormsg, /* pointer to error message */
- int *escaped /* return value has escaped white space (can
- * be NULL) */
-)
-{
- int i;
- char_u *s;
- char_u *result;
- char_u *resultbuf = NULL;
- int resultlen;
- buf_T *buf;
- int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
- int spec_idx;
- int skip_mod = FALSE;
- char_u strbuf[30];
-
- *errormsg = NULL;
- if (escaped != NULL)
- *escaped = FALSE;
-
- /*
- * Check if there is something to do.
- */
- spec_idx = find_cmdline_var(src, usedlen);
- if (spec_idx < 0) { /* no match */
- *usedlen = 1;
- return NULL;
- }
-
- /*
- * Skip when preceded with a backslash "\%" and "\#".
- * Note: In "\\%" the % is also not recognized!
- */
- if (src > srcstart && src[-1] == '\\') {
- *usedlen = 0;
- STRMOVE(src - 1, src); /* remove backslash */
- return NULL;
- }
-
- /*
- * word or WORD under cursor
- */
- if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD) {
- 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
- result = curbuf->b_fname;
- break;
-
- case SPEC_HASH: /* '#' or "#99": alternate file */
- if (src[1] == '#') { /* "##": the argument list */
- result = arg_all();
- resultbuf = result;
- *usedlen = 2;
- if (escaped != NULL)
- *escaped = TRUE;
- skip_mod = TRUE;
- break;
- }
- s = src + 1;
- if (*s == '<') /* "#<99" uses v:oldfiles */
- ++s;
- i = (int)getdigits(&s);
- *usedlen = (int)(s - src); /* length of what we expand */
-
- if (src[1] == '<') {
- if (*usedlen < 2) {
- /* Should we give an error message for #<text? */
- *usedlen = 1;
- return NULL;
- }
- result = list_find_str(get_vim_var_list(VV_OLDFILES),
- (long)i);
- if (result == NULL) {
- *errormsg = (char_u *)"";
- return NULL;
- }
- } else {
- 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;
-
- case SPEC_CFILE: /* file name under cursor */
- result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
- if (result == NULL) {
- *errormsg = (char_u *)"";
- return NULL;
- }
- resultbuf = result; /* remember allocated string */
- break;
-
- case SPEC_AFILE: /* file name for autocommand */
- result = autocmd_fname;
- if (result != NULL && !autocmd_fname_full) {
- /* Still need to turn the fname into a full path. It is
- * postponed to avoid a delay when <afile> is not used. */
- autocmd_fname_full = TRUE;
- result = FullName_save(autocmd_fname, FALSE);
- free(autocmd_fname);
- autocmd_fname = result;
- }
- if (result == NULL) {
- *errormsg = (char_u *)_(
- "E495: no autocommand file name to substitute for \"<afile>\"");
- return NULL;
- }
- result = path_shorten_fname_if_possible(result);
- 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;
-
- 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;
- case SPEC_SLNUM: /* line in file for ":so" command */
- if (sourcing_name == NULL || sourcing_lnum == 0) {
- *errormsg = (char_u *)_("E842: no line number to use for \"<slnum>\"");
- return NULL;
- }
- sprintf((char *)strbuf, "%" PRId64, (int64_t)sourcing_lnum);
- result = strbuf;
- break;
- }
-
- resultlen = (int)STRLEN(result); /* length of new string */
- if (src[*usedlen] == '<') { /* remove the file name extension */
- ++*usedlen;
- if ((s = vim_strrchr(result, '.')) != NULL && s >= path_tail(result))
- resultlen = (int)(s - result);
- } else if (!skip_mod) {
- valid |= modify_fname(src, usedlen, &result, &resultbuf,
- &resultlen);
- if (result == NULL) {
- *errormsg = (char_u *)"";
- return NULL;
- }
- }
- }
-
- 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);
- 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.
- */
-static char_u *arg_all(void)
-{
- 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 = xmalloc(len + 1);
- }
-
- return retval;
-}
-
-/*
- * Expand the <sfile> string in "arg".
- *
- * Returns an allocated string, or NULL for any error.
- */
-char_u *expand_sfile(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, result, &srclen, NULL, &errormsg, NULL);
- if (errormsg != NULL) {
- if (*errormsg)
- emsg(errormsg);
- free(result);
- return NULL;
- }
- if (repl == NULL) { /* no match (cannot happen) */
- p += srclen;
- continue;
- }
- len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
- newres = xmalloc(len);
- memmove(newres, result, (size_t)(p - result));
- STRCPY(newres + (p - result), repl);
- len = (int)STRLEN(newres);
- STRCAT(newres, p + srclen);
- free(repl);
- free(result);
- result = newres;
- p = newres + len; /* continue after the match */
- }
- }
-
- return result;
-}
-
-static int ses_winsizes(FILE *fd, int restore_size, win_T *tab_firstwin);
-static int ses_win_rec(FILE *fd, frame_T *fr);
-static frame_T *ses_skipframe(frame_T *fr);
-static int ses_do_frame(frame_T *fr);
-static int ses_do_win(win_T *wp);
-static int ses_arglist(FILE *fd, char *cmd, garray_T *gap, int fullname,
- unsigned *flagp);
-static int ses_put_fname(FILE *fd, char_u *name, unsigned *flagp);
-static int ses_fname(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 (
- 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;
- int tabnr;
- win_T *tab_firstwin;
- frame_T *tab_topframe;
- int cur_arg_idx = 0;
- int next_arg_idx = 0;
-
- if (ssop_flags & SSOP_BUFFERS)
- only_save_windows = FALSE; /* Save ALL buffers */
-
- /*
- * Begin by setting the this_session variable, and then other
- * sessionable variables.
- */
- 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;
-
- /*
- * 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 \" . escape(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
- || fputs("cd ", fd) < 0
- || ses_put_fname(fd, sname, &ssop_flags) == FAIL
- || put_eol(fd) == FAIL) {
- free(sname);
- return FAIL;
- }
- free(sname);
- }
-
- /*
- * If there is an empty, unnamed buffer we will wipe it out later.
- * Remember the buffer number.
- */
- if (put_line(fd,
- "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''")
- ==
- FAIL)
- return FAIL;
- if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
- return FAIL;
- if (put_line(fd, "endif") == FAIL)
- return FAIL;
-
- /*
- * 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 +%" PRId64 " ",
- buf->b_wininfo == NULL ?
- (int64_t)1L :
- (int64_t)buf->b_wininfo->wi_fpos.lnum) < 0
- || ses_fname(fd, buf, &ssop_flags) == FAIL)
- return FAIL;
- }
- }
-
- /* the global argument list */
- if (ses_arglist(fd, "argglobal", &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=%" PRId64 " columns=%" PRId64,
- (int64_t)Rows, (int64_t)Columns) < 0
- || put_eol(fd) == FAIL)
- return FAIL;
- }
-
-
- /*
- * May repeat putting Windows for each tab, when "tabpages" is in
- * 'sessionoptions'.
- * Don't use goto_tabpage(), it may change directory and trigger
- * autocommands.
- */
- tab_firstwin = firstwin; /* first window in tab page "tabnr" */
- tab_topframe = topframe;
- for (tabnr = 1;; ++tabnr) {
- int need_tabnew = FALSE;
-
- if ((ssop_flags & SSOP_TABPAGES)) {
- tabpage_T *tp = find_tabpage(tabnr);
-
- if (tp == NULL)
- break; /* done all tab pages */
- if (tp == curtab) {
- tab_firstwin = firstwin;
- tab_topframe = topframe;
- } else {
- tab_firstwin = tp->tp_firstwin;
- tab_topframe = tp->tp_topframe;
- }
- if (tabnr > 1)
- need_tabnew = TRUE;
- }
-
- /*
- * 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 = tab_firstwin; wp != NULL; wp = wp->w_next) {
- if (ses_do_win(wp)
- && wp->w_buffer->b_ffname != NULL
- && !wp->w_buffer->b_help
- && !bt_nofile(wp->w_buffer)
- ) {
- if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
- || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
- return FAIL;
- need_tabnew = FALSE;
- if (!wp->w_arg_idx_invalid)
- edited_win = wp;
- break;
- }
- }
-
- /* If no file got edited create an empty tab page. */
- if (need_tabnew && put_line(fd, "tabnew") == FAIL)
- return FAIL;
-
- /*
- * Save current window layout.
- */
- if (put_line(fd, "set splitbelow splitright") == FAIL)
- return FAIL;
- if (ses_win_rec(fd, tab_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 = tab_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, tab_firstwin) == FAIL)
- return FAIL;
-
- /*
- * Restore the view of the window (options, file, cursor, etc.).
- */
- for (wp = tab_firstwin; wp != NULL; wp = wp->w_next) {
- if (!ses_do_win(wp))
- continue;
- if (put_view(fd, wp, wp != edited_win, &ssop_flags,
- cur_arg_idx) == FAIL)
- return FAIL;
- if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
- return FAIL;
- next_arg_idx = wp->w_arg_idx;
- }
-
- /* The argument index in the first tab page is zero, need to set it in
- * each window. For further tab pages it's the window where we do
- * "tabedit". */
- cur_arg_idx = next_arg_idx;
-
- /*
- * 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, tab_firstwin) == FAIL)
- return FAIL;
-
- /* Don't continue in another tab page when doing only the current one
- * or when at the last tab page. */
- if (!(ssop_flags & SSOP_TABPAGES))
- break;
- }
-
- if (ssop_flags & SSOP_TABPAGES) {
- if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
- || put_eol(fd) == FAIL)
- return FAIL;
- }
-
- /*
- * Wipe out an empty unnamed buffer we started in.
- */
- if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
- return FAIL;
- if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
- return FAIL;
- if (put_line(fd, "endif") == FAIL)
- return FAIL;
- if (put_line(fd, "unlet! s:wipebuf") == FAIL)
- return FAIL;
-
- /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
- if (fprintf(fd, "set winheight=%" PRId64 " winwidth=%" PRId64 " shortmess=%s",
- (int64_t)p_wh, (int64_t)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 \" . fnameescape(s:sx)") == FAIL
- || put_line(fd, "endif") == FAIL)
- return FAIL;
-
- return OK;
-}
-
-static int ses_winsizes(FILE *fd, int restore_size, win_T *tab_firstwin)
-{
- int n = 0;
- win_T *wp;
-
- if (restore_size && (ssop_flags & SSOP_WINSIZE)) {
- for (wp = tab_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 * %" PRId64
- " + %" PRId64 ") / %" PRId64 ")",
- n, (int64_t)wp->w_height,
- (int64_t)(Rows / 2), (int64_t)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 * %" PRId64
- " + %" PRId64 ") / %" PRId64 ")",
- n, (int64_t)wp->w_width, (int64_t)(Columns / 2),
- (int64_t)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(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(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(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(win_T *wp)
-{
- if (wp->w_buffer->b_fname == NULL
- /* When 'buftype' is "nofile" can't restore the window contents. */
- || bt_nofile(wp->w_buffer)
- )
- 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 (
- FILE *fd,
- win_T *wp,
- int add_edit, /* add ":edit" command to view */
- unsigned *flagp, /* vop_flags or ssop_flags */
- int current_arg_idx /* current argument index of the window, use
- * -1 if unknown */
-)
-{
- win_T *save_curwin;
- int f;
- int do_cursor;
- int did_next = FALSE;
-
- /* 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. Some
- * arguments may have been deleted, check if the index is valid. */
- if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx < WARGCOUNT(wp)
- && flagp == &ssop_flags) {
- if (fprintf(fd, "%" PRId64 "argu", (int64_t)(wp->w_arg_idx + 1)) < 0
- || put_eol(fd) == FAIL)
- return FAIL;
- did_next = TRUE;
- }
-
- /* Edit the file. Skip this when ":next" already did it. */
- if (add_edit && (!did_next || wp->w_arg_idx_invalid)) {
- /*
- * Load the file.
- */
- if (wp->w_buffer->b_ffname != NULL
- && !bt_nofile(wp->w_buffer)
- ) {
- /*
- * 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;
- 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;
- }
- 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));
- else if (*flagp & SSOP_FOLDS)
- f = makefoldset(fd);
- else
- f = OK;
- curwin = save_curwin;
- curbuf = curwin->w_buffer;
- if (f == FAIL)
- return FAIL;
-
- /*
- * 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;
- }
-
- /*
- * 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 = %" PRId64 " - ((%" PRId64
- " * winheight(0) + %" PRId64 ") / %" PRId64 ")",
- (int64_t)wp->w_cursor.lnum,
- (int64_t)(wp->w_cursor.lnum - wp->w_topline),
- (int64_t)(wp->w_height / 2),
- (int64_t)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, "%" PRId64, (int64_t)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 = %" PRId64 " - ((%" PRId64
- " * winwidth(0) + %" PRId64 ") / %" PRId64 ")",
- (int64_t)(wp->w_virtcol + 1),
- (int64_t)(wp->w_virtcol - wp->w_leftcol),
- (int64_t)(wp->w_width / 2),
- (int64_t)wp->w_width) < 0
- || put_eol(fd) == FAIL
- || put_line(fd, "if s:c > 0") == FAIL
- || fprintf(fd, " exe 'normal! ' . s:c . '|zs' . %" PRId64 " . '|'",
- (int64_t)(wp->w_virtcol + 1)) < 0
- || put_eol(fd) == FAIL
- || put_line(fd, "else") == FAIL
- || fprintf(fd, " normal! 0%d|", wp->w_virtcol + 1) < 0
- || put_eol(fd) == FAIL
- || put_line(fd, "endif") == FAIL)
- return FAIL;
- } else {
- if (fprintf(fd, "normal! 0%d|", wp->w_virtcol + 1) < 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;
- did_lcd = TRUE;
- }
-
- return OK;
-}
-
-/*
- * Write an argument list to the session file.
- * Returns FAIL if writing fails.
- */
-static int
-ses_arglist (
- FILE *fd,
- char *cmd,
- garray_T *gap,
- int fullname, /* TRUE: use full path name */
- unsigned *flagp
-)
-{
- int i;
- char_u *buf = NULL;
- char_u *s;
-
- if (fputs(cmd, fd) < 0 || put_eol(fd) == FAIL) {
- return FAIL;
- }
- if (put_line(fd, "silent! argdel *") == FAIL) {
- 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) {
- buf = xmalloc(MAXPATHL);
- (void)vim_FullName(s, buf, MAXPATHL, FALSE);
- s = buf;
- }
- if (fputs("argadd ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL
- || put_eol(fd) == FAIL) {
- free(buf);
- return FAIL;
- }
- free(buf);
- }
- }
- return OK;
-}
-
-/*
- * Write a buffer name to the session file.
- * Also ends the line.
- * Returns FAIL if writing fails.
- */
-static int ses_fname(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.
- * Don't do this after ":lcd", we don't keep track of what the current
- * directory is. */
- if (buf->b_sfname != NULL
- && flagp == &ssop_flags
- && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
- && !p_acd
- && !did_lcd)
- 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 or out of memory.
- */
-static int ses_put_fname(FILE *fd, char_u *name, unsigned *flagp)
-{
- char_u *sname;
- char_u *p;
- int retval = OK;
-
- sname = home_replace_save(NULL, name);
- if (sname == NULL)
- return FAIL;
-
- if (*flagp & SSOP_SLASH) {
- /* change all backslashes to forward slashes */
- for (p = sname; *p != NUL; mb_ptr_adv(p))
- if (*p == '\\')
- *p = '/';
- }
-
- /* escape special characters */
- p = vim_strsave_fnameescape(sname, FALSE);
- free(sname);
- if (p == NULL)
- return FAIL;
-
- /* write the result */
- if (fputs((char *)p, fd) < 0)
- retval = FAIL;
-
- free(p);
- return retval;
-}
-
-/*
- * ":loadview [nr]"
- */
-static void ex_loadview(exarg_T *eap)
-{
- char_u *fname;
-
- fname = get_view_file(*eap->arg);
- if (fname != NULL) {
- do_source(fname, FALSE, DOSO_NONE);
- free(fname);
- }
-}
-
-/*
- * Get the name of the view file for the current buffer.
- */
-static char_u *get_view_file(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 = xmalloc(STRLEN(sname) + len + STRLEN(p_vdir) + 9);
- 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++ = '=';
-#if defined(BACKSLASH_IN_FILENAME)
- if (*p == ':')
- *s++ = '-';
- else
-#endif
- *s++ = '+';
- } else
- *s++ = *p;
- }
- *s++ = '=';
- *s++ = c;
- STRCPY(s, ".vim");
-
- free(sname);
- return retval;
-}
-
-
-/*
- * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
- * Return FAIL for a write error.
- */
-int put_eol(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(FILE *fd, char *s)
-{
- if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
- return FAIL;
- return OK;
-}
-
-/*
- * ":rviminfo" and ":wviminfo".
- */
-static void ex_viminfo(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, VIF_WANT_INFO | VIF_WANT_MARKS
- | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
- EMSG(_("E195: Cannot open viminfo file for reading"));
- } else
- write_viminfo(eap->arg, eap->forceit);
- p_viminfo = save_viminfo;
-}
-
-/*
- * Make a dialog message in "buff[DIALOG_MSG_SIZE]".
- * "format" must contain "%s".
- */
-void dialog_msg(char_u *buff, char *format, char_u *fname)
-{
- if (fname == NULL)
- fname = (char_u *)_("Untitled");
- vim_snprintf((char *)buff, DIALOG_MSG_SIZE, format, fname);
-}
-
-/*
- * ":behave {mswin,xterm}"
- */
-static void ex_behave(exarg_T *eap)
-{
- if (STRCMP(eap->arg, "mswin") == 0) {
- set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
- set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
- set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
- set_option_value((char_u *)"keymodel", 0L,
- (char_u *)"startsel,stopsel", 0);
- } else if (STRCMP(eap->arg, "xterm") == 0) {
- set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
- set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
- set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
- set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
- } else
- EMSG2(_(e_invarg2), eap->arg);
-}
-
-/*
- * Function given to ExpandGeneric() to obtain the possible arguments of the
- * ":behave {mswin,xterm}" command.
- */
-char_u *get_behave_arg(expand_T *xp, int idx)
-{
- if (idx == 0)
- return (char_u *)"mswin";
- if (idx == 1)
- return (char_u *)"xterm";
- return NULL;
-}
-
-static int filetype_detect = FALSE;
-static int filetype_plugin = FALSE;
-static int filetype_indent = FALSE;
-
-/*
- * ":filetype [plugin] [indent] {on,off,detect}"
- * on: Load the filetype.vim file to install autocommands for file types.
- * off: Load the ftoff.vim file to remove all autocommands for file types.
- * plugin on: load filetype.vim and ftplugin.vim
- * plugin off: load ftplugof.vim
- * indent on: load filetype.vim and indent.vim
- * indent off: load indoff.vim
- */
-static void ex_filetype(exarg_T *eap)
-{
- char_u *arg = eap->arg;
- int plugin = FALSE;
- int indent = FALSE;
-
- if (*eap->arg == NUL) {
- /* Print current status. */
- smsg((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) {
- source_runtime((char_u *)FILETYPE_FILE, TRUE);
- filetype_detect = TRUE;
- if (plugin) {
- source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
- filetype_plugin = TRUE;
- }
- if (indent) {
- source_runtime((char_u *)INDENT_FILE, TRUE);
- filetype_indent = TRUE;
- }
- }
- if (*arg == 'd') {
- (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
- do_modelines(0);
- }
- } else if (STRCMP(arg, "off") == 0) {
- if (plugin || indent) {
- if (plugin) {
- source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
- filetype_plugin = FALSE;
- }
- if (indent) {
- source_runtime((char_u *)INDOFF_FILE, TRUE);
- filetype_indent = FALSE;
- }
- } else {
- source_runtime((char_u *)FTOFF_FILE, TRUE);
- filetype_detect = FALSE;
- }
- } else
- EMSG2(_(e_invarg2), arg);
-}
-
-/*
- * ":setfiletype {name}"
- */
-static void ex_setfiletype(exarg_T *eap)
-{
- if (!did_filetype)
- set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
-}
-
-static void ex_digraphs(exarg_T *eap)
-{
- if (*eap->arg != NUL)
- putdigraph(eap->arg);
- else
- listdigraphs();
-}
-
-static void ex_set(exarg_T *eap)
-{
- int flags = 0;
-
- if (eap->cmdidx == CMD_setlocal)
- flags = OPT_LOCAL;
- else if (eap->cmdidx == CMD_setglobal)
- flags = OPT_GLOBAL;
- (void)do_set(eap->arg, flags);
-}
-
-/*
- * ":nohlsearch"
- */
-static void ex_nohlsearch(exarg_T *eap)
-{
- SET_NO_HLSEARCH(TRUE);
- redraw_all_later(SOME_VALID);
-}
-
-/*
- * ":[N]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(exarg_T *eap)
-{
- char_u *p;
- char_u *g = NULL;
- char_u *end;
- int c;
- int id;
-
- if (eap->line2 <= 3)
- id = eap->line2;
- else {
- EMSG(e_invcmd);
- return;
- }
-
- /* First clear any old pattern. */
- if (!eap->skip)
- match_delete(curwin, id, FALSE);
-
- 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)
- g = vim_strnsave(eap->arg, (int)(p - eap->arg));
- 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;
- }
- if (*end != *p) {
- EMSG2(_(e_invarg2), p);
- return;
- }
-
- c = *end;
- *end = NUL;
- match_add(curwin, g, p + 1, 10, id);
- free(g);
- *end = c;
- }
- }
- eap->nextcmd = find_nextcmd(end);
-}
-
-/*
- * ":X": Get crypt key
- */
-static void ex_X(exarg_T *eap)
-{
- if (get_crypt_method(curbuf) == 0 || blowfish_self_test() == OK)
- (void)get_crypt_key(TRUE, TRUE);
-}
-
-static void ex_fold(exarg_T *eap)
-{
- if (foldManualAllowed(TRUE))
- foldCreate(eap->line1, eap->line2);
-}
-
-static void ex_foldopen(exarg_T *eap)
-{
- opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
- eap->forceit, FALSE);
-}
-
-static void ex_folddo(exarg_T *eap)
-{
- linenr_T lnum;
-
- /* 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 */
-}