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Diffstat (limited to 'src/nvim/ex_cmds2.c')
| -rw-r--r-- | src/nvim/ex_cmds2.c | 3541 |
1 files changed, 3541 insertions, 0 deletions
diff --git a/src/nvim/ex_cmds2.c b/src/nvim/ex_cmds2.c new file mode 100644 index 0000000000..0837e5386e --- /dev/null +++ b/src/nvim/ex_cmds2.c @@ -0,0 +1,3541 @@ +/* + * 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_cmds2.c: some more functions for command line commands + */ + +#include <string.h> + +#include "vim.h" +#include "version_defs.h" +#include "ex_cmds2.h" +#include "buffer.h" +#include "charset.h" +#include "eval.h" +#include "ex_cmds.h" +#include "ex_docmd.h" +#include "ex_eval.h" +#include "ex_getln.h" +#include "fileio.h" +#include "getchar.h" +#include "mark.h" +#include "mbyte.h" +#include "message.h" +#include "misc1.h" +#include "misc2.h" +#include "garray.h" +#include "memory.h" +#include "move.h" +#include "normal.h" +#include "option.h" +#include "os_unix.h" +#include "path.h" +#include "quickfix.h" +#include "regexp.h" +#include "screen.h" +#include "term.h" +#include "undo.h" +#include "window.h" +#include "os/os.h" +#include "os/shell.h" + +static void cmd_source(char_u *fname, exarg_T *eap); + +/* Growarray to store info about already sourced scripts. + * Also store the dev/ino, so that we don't have to stat() each + * script when going through the list. */ +typedef struct scriptitem_S { + char_u *sn_name; + int sn_dev_valid; + uint64_t sn_dev; + uint64_t sn_ino; + int sn_prof_on; /* TRUE when script is/was profiled */ + int sn_pr_force; /* forceit: profile functions in this script */ + proftime_T sn_pr_child; /* time set when going into first child */ + int sn_pr_nest; /* nesting for sn_pr_child */ + /* profiling the script as a whole */ + int sn_pr_count; /* nr of times sourced */ + proftime_T sn_pr_total; /* time spent in script + children */ + proftime_T sn_pr_self; /* time spent in script itself */ + proftime_T sn_pr_start; /* time at script start */ + proftime_T sn_pr_children; /* time in children after script start */ + /* profiling the script per line */ + garray_T sn_prl_ga; /* things stored for every line */ + proftime_T sn_prl_start; /* start time for current line */ + proftime_T sn_prl_children; /* time spent in children for this line */ + proftime_T sn_prl_wait; /* wait start time for current line */ + int sn_prl_idx; /* index of line being timed; -1 if none */ + int sn_prl_execed; /* line being timed was executed */ +} scriptitem_T; + +static garray_T script_items = {0, 0, sizeof(scriptitem_T), 4, NULL}; +#define SCRIPT_ITEM(id) (((scriptitem_T *)script_items.ga_data)[(id) - 1]) + +/* Struct used in sn_prl_ga for every line of a script. */ +typedef struct sn_prl_S { + int snp_count; /* nr of times line was executed */ + proftime_T sn_prl_total; /* time spent in a line + children */ + proftime_T sn_prl_self; /* time spent in a line itself */ +} sn_prl_T; + +# define PRL_ITEM(si, idx) (((sn_prl_T *)(si)->sn_prl_ga.ga_data)[(idx)]) + +static int debug_greedy = FALSE; /* batch mode debugging: don't save + and restore typeahead. */ + +/* + * do_debug(): Debug mode. + * Repeatedly get Ex commands, until told to continue normal execution. + */ +void do_debug(char_u *cmd) +{ + int save_msg_scroll = msg_scroll; + int save_State = State; + int save_did_emsg = did_emsg; + int save_cmd_silent = cmd_silent; + int save_msg_silent = msg_silent; + int save_emsg_silent = emsg_silent; + int save_redir_off = redir_off; + tasave_T typeaheadbuf; + int typeahead_saved = FALSE; + int save_ignore_script = 0; + int save_ex_normal_busy; + int n; + char_u *cmdline = NULL; + char_u *p; + char *tail = NULL; + static int last_cmd = 0; +#define CMD_CONT 1 +#define CMD_NEXT 2 +#define CMD_STEP 3 +#define CMD_FINISH 4 +#define CMD_QUIT 5 +#define CMD_INTERRUPT 6 + + + /* Make sure we are in raw mode and start termcap mode. Might have side + * effects... */ + settmode(TMODE_RAW); + starttermcap(); + + ++RedrawingDisabled; /* don't redisplay the window */ + ++no_wait_return; /* don't wait for return */ + did_emsg = FALSE; /* don't use error from debugged stuff */ + cmd_silent = FALSE; /* display commands */ + msg_silent = FALSE; /* display messages */ + emsg_silent = FALSE; /* display error messages */ + redir_off = TRUE; /* don't redirect debug commands */ + + State = NORMAL; + + if (!debug_did_msg) + MSG(_("Entering Debug mode. Type \"cont\" to continue.")); + if (sourcing_name != NULL) + msg(sourcing_name); + if (sourcing_lnum != 0) + smsg((char_u *)_("line %" PRId64 ": %s"), (int64_t)sourcing_lnum, cmd); + else + smsg((char_u *)_("cmd: %s"), cmd); + + /* + * Repeat getting a command and executing it. + */ + for (;; ) { + msg_scroll = TRUE; + need_wait_return = FALSE; + /* Save the current typeahead buffer and replace it with an empty one. + * This makes sure we get input from the user here and don't interfere + * with the commands being executed. Reset "ex_normal_busy" to avoid + * the side effects of using ":normal". Save the stuff buffer and make + * it empty. Set ignore_script to avoid reading from script input. */ + save_ex_normal_busy = ex_normal_busy; + ex_normal_busy = 0; + if (!debug_greedy) { + save_typeahead(&typeaheadbuf); + typeahead_saved = TRUE; + save_ignore_script = ignore_script; + ignore_script = TRUE; + } + + cmdline = getcmdline_prompt('>', NULL, 0, EXPAND_NOTHING, NULL); + + if (typeahead_saved) { + restore_typeahead(&typeaheadbuf); + ignore_script = save_ignore_script; + } + ex_normal_busy = save_ex_normal_busy; + + cmdline_row = msg_row; + if (cmdline != NULL) { + /* If this is a debug command, set "last_cmd". + * If not, reset "last_cmd". + * For a blank line use previous command. */ + p = skipwhite(cmdline); + if (*p != NUL) { + switch (*p) { + case 'c': last_cmd = CMD_CONT; + tail = "ont"; + break; + case 'n': last_cmd = CMD_NEXT; + tail = "ext"; + break; + case 's': last_cmd = CMD_STEP; + tail = "tep"; + break; + case 'f': last_cmd = CMD_FINISH; + tail = "inish"; + break; + case 'q': last_cmd = CMD_QUIT; + tail = "uit"; + break; + case 'i': last_cmd = CMD_INTERRUPT; + tail = "nterrupt"; + break; + default: last_cmd = 0; + } + if (last_cmd != 0) { + /* Check that the tail matches. */ + ++p; + while (*p != NUL && *p == *tail) { + ++p; + ++tail; + } + if (ASCII_ISALPHA(*p)) + last_cmd = 0; + } + } + + if (last_cmd != 0) { + /* Execute debug command: decided where to break next and + * return. */ + switch (last_cmd) { + case CMD_CONT: + debug_break_level = -1; + break; + case CMD_NEXT: + debug_break_level = ex_nesting_level; + break; + case CMD_STEP: + debug_break_level = 9999; + break; + case CMD_FINISH: + debug_break_level = ex_nesting_level - 1; + break; + case CMD_QUIT: + got_int = TRUE; + debug_break_level = -1; + break; + case CMD_INTERRUPT: + got_int = TRUE; + debug_break_level = 9999; + /* Do not repeat ">interrupt" cmd, continue stepping. */ + last_cmd = CMD_STEP; + break; + } + break; + } + + /* don't debug this command */ + n = debug_break_level; + debug_break_level = -1; + (void)do_cmdline(cmdline, getexline, NULL, + DOCMD_VERBOSE|DOCMD_EXCRESET); + debug_break_level = n; + + free(cmdline); + } + lines_left = Rows - 1; + } + free(cmdline); + + --RedrawingDisabled; + --no_wait_return; + redraw_all_later(NOT_VALID); + need_wait_return = FALSE; + msg_scroll = save_msg_scroll; + lines_left = Rows - 1; + State = save_State; + did_emsg = save_did_emsg; + cmd_silent = save_cmd_silent; + msg_silent = save_msg_silent; + emsg_silent = save_emsg_silent; + redir_off = save_redir_off; + + /* Only print the message again when typing a command before coming back + * here. */ + debug_did_msg = TRUE; +} + +/* + * ":debug". + */ +void ex_debug(exarg_T *eap) +{ + int debug_break_level_save = debug_break_level; + + debug_break_level = 9999; + do_cmdline_cmd(eap->arg); + debug_break_level = debug_break_level_save; +} + +static char_u *debug_breakpoint_name = NULL; +static linenr_T debug_breakpoint_lnum; + +/* + * When debugging or a breakpoint is set on a skipped command, no debug prompt + * is shown by do_one_cmd(). This situation is indicated by debug_skipped, and + * debug_skipped_name is then set to the source name in the breakpoint case. If + * a skipped command decides itself that a debug prompt should be displayed, it + * can do so by calling dbg_check_skipped(). + */ +static int debug_skipped; +static char_u *debug_skipped_name; + +/* + * Go to debug mode when a breakpoint was encountered or "ex_nesting_level" is + * at or below the break level. But only when the line is actually + * executed. Return TRUE and set breakpoint_name for skipped commands that + * decide to execute something themselves. + * Called from do_one_cmd() before executing a command. + */ +void dbg_check_breakpoint(exarg_T *eap) +{ + char_u *p; + + debug_skipped = FALSE; + if (debug_breakpoint_name != NULL) { + if (!eap->skip) { + /* replace K_SNR with "<SNR>" */ + if (debug_breakpoint_name[0] == K_SPECIAL + && debug_breakpoint_name[1] == KS_EXTRA + && debug_breakpoint_name[2] == (int)KE_SNR) + p = (char_u *)"<SNR>"; + else + p = (char_u *)""; + smsg((char_u *)_("Breakpoint in \"%s%s\" line %" PRId64), + p, + debug_breakpoint_name + (*p == NUL ? 0 : 3), + (int64_t)debug_breakpoint_lnum); + debug_breakpoint_name = NULL; + do_debug(eap->cmd); + } else { + debug_skipped = TRUE; + debug_skipped_name = debug_breakpoint_name; + debug_breakpoint_name = NULL; + } + } else if (ex_nesting_level <= debug_break_level) { + if (!eap->skip) + do_debug(eap->cmd); + else { + debug_skipped = TRUE; + debug_skipped_name = NULL; + } + } +} + +/* + * Go to debug mode if skipped by dbg_check_breakpoint() because eap->skip was + * set. Return TRUE when the debug mode is entered this time. + */ +int dbg_check_skipped(exarg_T *eap) +{ + int prev_got_int; + + if (debug_skipped) { + /* + * Save the value of got_int and reset it. We don't want a previous + * interruption cause flushing the input buffer. + */ + prev_got_int = got_int; + got_int = FALSE; + debug_breakpoint_name = debug_skipped_name; + /* eap->skip is TRUE */ + eap->skip = FALSE; + (void)dbg_check_breakpoint(eap); + eap->skip = TRUE; + got_int |= prev_got_int; + return TRUE; + } + return FALSE; +} + +/* + * The list of breakpoints: dbg_breakp. + * This is a grow-array of structs. + */ +struct debuggy { + int dbg_nr; /* breakpoint number */ + int dbg_type; /* DBG_FUNC or DBG_FILE */ + char_u *dbg_name; /* function or file name */ + regprog_T *dbg_prog; /* regexp program */ + linenr_T dbg_lnum; /* line number in function or file */ + int dbg_forceit; /* ! used */ +}; + +static garray_T dbg_breakp = {0, 0, sizeof(struct debuggy), 4, NULL}; +#define BREAKP(idx) (((struct debuggy *)dbg_breakp.ga_data)[idx]) +#define DEBUGGY(gap, idx) (((struct debuggy *)gap->ga_data)[idx]) +static int last_breakp = 0; /* nr of last defined breakpoint */ + +/* Profiling uses file and func names similar to breakpoints. */ +static garray_T prof_ga = {0, 0, sizeof(struct debuggy), 4, NULL}; +#define DBG_FUNC 1 +#define DBG_FILE 2 + +static int dbg_parsearg(char_u *arg, garray_T *gap); +static linenr_T debuggy_find(int file,char_u *fname, linenr_T after, + garray_T *gap, + int *fp); + +/* + * Parse the arguments of ":profile", ":breakadd" or ":breakdel" and put them + * in the entry just after the last one in dbg_breakp. Note that "dbg_name" + * is allocated. + * Returns FAIL for failure. + */ +static int +dbg_parsearg ( + char_u *arg, + garray_T *gap /* either &dbg_breakp or &prof_ga */ +) +{ + char_u *p = arg; + char_u *q; + struct debuggy *bp; + int here = FALSE; + + ga_grow(gap, 1); + + bp = &DEBUGGY(gap, gap->ga_len); + + /* Find "func" or "file". */ + if (STRNCMP(p, "func", 4) == 0) + bp->dbg_type = DBG_FUNC; + else if (STRNCMP(p, "file", 4) == 0) + bp->dbg_type = DBG_FILE; + else if ( + gap != &prof_ga && + STRNCMP(p, "here", 4) == 0) { + if (curbuf->b_ffname == NULL) { + EMSG(_(e_noname)); + return FAIL; + } + bp->dbg_type = DBG_FILE; + here = TRUE; + } else { + EMSG2(_(e_invarg2), p); + return FAIL; + } + p = skipwhite(p + 4); + + /* Find optional line number. */ + if (here) + bp->dbg_lnum = curwin->w_cursor.lnum; + else if ( + gap != &prof_ga && + VIM_ISDIGIT(*p)) { + bp->dbg_lnum = getdigits(&p); + p = skipwhite(p); + } else + bp->dbg_lnum = 0; + + /* Find the function or file name. Don't accept a function name with (). */ + if ((!here && *p == NUL) + || (here && *p != NUL) + || (bp->dbg_type == DBG_FUNC && strstr((char *)p, "()") != NULL)) { + EMSG2(_(e_invarg2), arg); + return FAIL; + } + + if (bp->dbg_type == DBG_FUNC) + bp->dbg_name = vim_strsave(p); + else if (here) + bp->dbg_name = vim_strsave(curbuf->b_ffname); + else { + /* Expand the file name in the same way as do_source(). This means + * doing it twice, so that $DIR/file gets expanded when $DIR is + * "~/dir". */ + q = expand_env_save(p); + if (q == NULL) + return FAIL; + p = expand_env_save(q); + free(q); + if (p == NULL) + return FAIL; + if (*p != '*') { + bp->dbg_name = fix_fname(p); + free(p); + } else + bp->dbg_name = p; + } + + if (bp->dbg_name == NULL) + return FAIL; + return OK; +} + +/* + * ":breakadd". + */ +void ex_breakadd(exarg_T *eap) +{ + struct debuggy *bp; + char_u *pat; + garray_T *gap; + + gap = &dbg_breakp; + if (eap->cmdidx == CMD_profile) + gap = &prof_ga; + + if (dbg_parsearg(eap->arg, gap) == OK) { + bp = &DEBUGGY(gap, gap->ga_len); + bp->dbg_forceit = eap->forceit; + + pat = file_pat_to_reg_pat(bp->dbg_name, NULL, NULL, FALSE); + if (pat != NULL) { + bp->dbg_prog = vim_regcomp(pat, RE_MAGIC + RE_STRING); + free(pat); + } + if (pat == NULL || bp->dbg_prog == NULL) + free(bp->dbg_name); + else { + if (bp->dbg_lnum == 0) /* default line number is 1 */ + bp->dbg_lnum = 1; + if (eap->cmdidx != CMD_profile) { + DEBUGGY(gap, gap->ga_len).dbg_nr = ++last_breakp; + ++debug_tick; + } + ++gap->ga_len; + } + } +} + +/* + * ":debuggreedy". + */ +void ex_debuggreedy(exarg_T *eap) +{ + if (eap->addr_count == 0 || eap->line2 != 0) + debug_greedy = TRUE; + else + debug_greedy = FALSE; +} + +/* + * ":breakdel" and ":profdel". + */ +void ex_breakdel(exarg_T *eap) +{ + struct debuggy *bp, *bpi; + int nr; + int todel = -1; + int del_all = FALSE; + int i; + linenr_T best_lnum = 0; + garray_T *gap; + + gap = &dbg_breakp; + if (eap->cmdidx == CMD_profdel) { + gap = &prof_ga; + } + + if (vim_isdigit(*eap->arg)) { + /* ":breakdel {nr}" */ + nr = atol((char *)eap->arg); + for (i = 0; i < gap->ga_len; ++i) + if (DEBUGGY(gap, i).dbg_nr == nr) { + todel = i; + break; + } + } else if (*eap->arg == '*') { + todel = 0; + del_all = TRUE; + } else { + /* ":breakdel {func|file} [lnum] {name}" */ + if (dbg_parsearg(eap->arg, gap) == FAIL) + return; + bp = &DEBUGGY(gap, gap->ga_len); + for (i = 0; i < gap->ga_len; ++i) { + bpi = &DEBUGGY(gap, i); + if (bp->dbg_type == bpi->dbg_type + && STRCMP(bp->dbg_name, bpi->dbg_name) == 0 + && (bp->dbg_lnum == bpi->dbg_lnum + || (bp->dbg_lnum == 0 + && (best_lnum == 0 + || bpi->dbg_lnum < best_lnum)))) { + todel = i; + best_lnum = bpi->dbg_lnum; + } + } + free(bp->dbg_name); + } + + if (todel < 0) + EMSG2(_("E161: Breakpoint not found: %s"), eap->arg); + else { + while (gap->ga_len > 0) { + free(DEBUGGY(gap, todel).dbg_name); + vim_regfree(DEBUGGY(gap, todel).dbg_prog); + --gap->ga_len; + if (todel < gap->ga_len) + memmove(&DEBUGGY(gap, todel), &DEBUGGY(gap, todel + 1), + (gap->ga_len - todel) * sizeof(struct debuggy)); + if (eap->cmdidx == CMD_breakdel) + ++debug_tick; + if (!del_all) + break; + } + + /* If all breakpoints were removed clear the array. */ + if (gap->ga_len == 0) + ga_clear(gap); + } +} + +/* + * ":breaklist". + */ +void ex_breaklist(exarg_T *eap) +{ + struct debuggy *bp; + int i; + + if (dbg_breakp.ga_len == 0) + MSG(_("No breakpoints defined")); + else + for (i = 0; i < dbg_breakp.ga_len; ++i) { + bp = &BREAKP(i); + if (bp->dbg_type == DBG_FILE) + home_replace(NULL, bp->dbg_name, NameBuff, MAXPATHL, TRUE); + smsg((char_u *)_("%3d %s %s line %" PRId64), + bp->dbg_nr, + bp->dbg_type == DBG_FUNC ? "func" : "file", + bp->dbg_type == DBG_FUNC ? bp->dbg_name : NameBuff, + (int64_t)bp->dbg_lnum); + } +} + +/* + * Find a breakpoint for a function or sourced file. + * Returns line number at which to break; zero when no matching breakpoint. + */ +linenr_T +dbg_find_breakpoint ( + int file, /* TRUE for a file, FALSE for a function */ + char_u *fname, /* file or function name */ + linenr_T after /* after this line number */ +) +{ + return debuggy_find(file, fname, after, &dbg_breakp, NULL); +} + +/* + * Return TRUE if profiling is on for a function or sourced file. + */ +int +has_profiling ( + int file, /* TRUE for a file, FALSE for a function */ + char_u *fname, /* file or function name */ + int *fp /* return: forceit */ +) +{ + return debuggy_find(file, fname, (linenr_T)0, &prof_ga, fp) + != (linenr_T)0; +} + +/* + * Common code for dbg_find_breakpoint() and has_profiling(). + */ +static linenr_T +debuggy_find ( + int file, /* TRUE for a file, FALSE for a function */ + char_u *fname, /* file or function name */ + linenr_T after, /* after this line number */ + garray_T *gap, /* either &dbg_breakp or &prof_ga */ + int *fp /* if not NULL: return forceit */ +) +{ + struct debuggy *bp; + int i; + linenr_T lnum = 0; + regmatch_T regmatch; + char_u *name = fname; + int prev_got_int; + + /* Return quickly when there are no breakpoints. */ + if (gap->ga_len == 0) + return (linenr_T)0; + + /* Replace K_SNR in function name with "<SNR>". */ + if (!file && fname[0] == K_SPECIAL) { + name = xmalloc(STRLEN(fname) + 3); + STRCPY(name, "<SNR>"); + STRCPY(name + 5, fname + 3); + } + + for (i = 0; i < gap->ga_len; ++i) { + /* Skip entries that are not useful or are for a line that is beyond + * an already found breakpoint. */ + bp = &DEBUGGY(gap, i); + if (((bp->dbg_type == DBG_FILE) == file && ( + gap == &prof_ga || + (bp->dbg_lnum > after && (lnum == 0 || bp->dbg_lnum < lnum))))) { + regmatch.regprog = bp->dbg_prog; + regmatch.rm_ic = FALSE; + /* + * Save the value of got_int and reset it. We don't want a + * previous interruption cancel matching, only hitting CTRL-C + * while matching should abort it. + */ + prev_got_int = got_int; + got_int = FALSE; + if (vim_regexec(®match, name, (colnr_T)0)) { + lnum = bp->dbg_lnum; + if (fp != NULL) + *fp = bp->dbg_forceit; + } + got_int |= prev_got_int; + } + } + if (name != fname) + free(name); + + return lnum; +} + +/* + * Called when a breakpoint was encountered. + */ +void dbg_breakpoint(char_u *name, linenr_T lnum) +{ + /* We need to check if this line is actually executed in do_one_cmd() */ + debug_breakpoint_name = name; + debug_breakpoint_lnum = lnum; +} + + +/* + * Store the current time in "tm". + */ +void profile_start(tm) +proftime_T *tm; +{ + gettimeofday(tm, NULL); +} + +/* + * Compute the elapsed time from "tm" till now and store in "tm". + */ +void profile_end(tm) +proftime_T *tm; +{ + proftime_T now; + + gettimeofday(&now, NULL); + tm->tv_usec = now.tv_usec - tm->tv_usec; + tm->tv_sec = now.tv_sec - tm->tv_sec; + if (tm->tv_usec < 0) { + tm->tv_usec += 1000000; + --tm->tv_sec; + } +} + +/* + * Subtract the time "tm2" from "tm". + */ +void profile_sub(tm, tm2) +proftime_T *tm, *tm2; +{ + tm->tv_usec -= tm2->tv_usec; + tm->tv_sec -= tm2->tv_sec; + if (tm->tv_usec < 0) { + tm->tv_usec += 1000000; + --tm->tv_sec; + } +} + +/* + * Return a string that represents the time in "tm". + * Uses a static buffer! + */ +char * profile_msg(tm) +proftime_T *tm; +{ + static char buf[50]; + + sprintf(buf, "%3ld.%06ld", (long)tm->tv_sec, (long)tm->tv_usec); + return buf; +} + +/* + * Put the time "msec" past now in "tm". + */ +void profile_setlimit(msec, tm) +long msec; +proftime_T *tm; +{ + if (msec <= 0) /* no limit */ + profile_zero(tm); + else { + long usec; + + gettimeofday(tm, NULL); + usec = (long)tm->tv_usec + (long)msec * 1000; + tm->tv_usec = usec % 1000000L; + tm->tv_sec += usec / 1000000L; + } +} + +/* + * Return TRUE if the current time is past "tm". + */ +int profile_passed_limit(tm) +proftime_T *tm; +{ + proftime_T now; + + if (tm->tv_sec == 0) /* timer was not set */ + return FALSE; + gettimeofday(&now, NULL); + return now.tv_sec > tm->tv_sec + || (now.tv_sec == tm->tv_sec && now.tv_usec > tm->tv_usec); +} + +/* + * Set the time in "tm" to zero. + */ +void profile_zero(tm) +proftime_T *tm; +{ + tm->tv_usec = 0; + tm->tv_sec = 0; +} + + +#include <math.h> + +/* + * Divide the time "tm" by "count" and store in "tm2". + */ +void profile_divide(tm, count, tm2) +proftime_T *tm; +proftime_T *tm2; +int count; +{ + if (count == 0) + profile_zero(tm2); + else { + double usec = (tm->tv_sec * 1000000.0 + tm->tv_usec) / count; + + tm2->tv_sec = floor(usec / 1000000.0); + tm2->tv_usec = vim_round(usec - (tm2->tv_sec * 1000000.0)); + } +} + +/* + * Functions for profiling. + */ +static void script_do_profile(scriptitem_T *si); +static void script_dump_profile(FILE *fd); +static proftime_T prof_wait_time; + +/* + * Add the time "tm2" to "tm". + */ +void profile_add(tm, tm2) +proftime_T *tm, *tm2; +{ + tm->tv_usec += tm2->tv_usec; + tm->tv_sec += tm2->tv_sec; + if (tm->tv_usec >= 1000000) { + tm->tv_usec -= 1000000; + ++tm->tv_sec; + } +} + +/* + * Add the "self" time from the total time and the children's time. + */ +void profile_self(self, total, children) +proftime_T *self, *total, *children; +{ + /* Check that the result won't be negative. Can happen with recursive + * calls. */ + if (total->tv_sec < children->tv_sec + || (total->tv_sec == children->tv_sec + && total->tv_usec <= children->tv_usec)) + return; + profile_add(self, total); + profile_sub(self, children); +} + +/* + * Get the current waittime. + */ +void profile_get_wait(tm) +proftime_T *tm; +{ + *tm = prof_wait_time; +} + +/* + * Subtract the passed waittime since "tm" from "tma". + */ +void profile_sub_wait(tm, tma) +proftime_T *tm, *tma; +{ + proftime_T tm3 = prof_wait_time; + + profile_sub(&tm3, tm); + profile_sub(tma, &tm3); +} + +/* + * Return TRUE if "tm1" and "tm2" are equal. + */ +int profile_equal(tm1, tm2) +proftime_T *tm1, *tm2; +{ + return tm1->tv_usec == tm2->tv_usec && tm1->tv_sec == tm2->tv_sec; +} + +/* + * Return <0, 0 or >0 if "tm1" < "tm2", "tm1" == "tm2" or "tm1" > "tm2" + */ +int profile_cmp(tm1, tm2) +const proftime_T *tm1, *tm2; +{ + if (tm1->tv_sec == tm2->tv_sec) + return tm2->tv_usec - tm1->tv_usec; + return tm2->tv_sec - tm1->tv_sec; +} + +static char_u *profile_fname = NULL; +static proftime_T pause_time; + +/* + * ":profile cmd args" + */ +void ex_profile(exarg_T *eap) +{ + char_u *e; + int len; + + e = skiptowhite(eap->arg); + len = (int)(e - eap->arg); + e = skipwhite(e); + + if (len == 5 && STRNCMP(eap->arg, "start", 5) == 0 && *e != NUL) { + free(profile_fname); + profile_fname = vim_strsave(e); + do_profiling = PROF_YES; + profile_zero(&prof_wait_time); + set_vim_var_nr(VV_PROFILING, 1L); + } else if (do_profiling == PROF_NONE) + EMSG(_("E750: First use \":profile start {fname}\"")); + else if (STRCMP(eap->arg, "pause") == 0) { + if (do_profiling == PROF_YES) + profile_start(&pause_time); + do_profiling = PROF_PAUSED; + } else if (STRCMP(eap->arg, "continue") == 0) { + if (do_profiling == PROF_PAUSED) { + profile_end(&pause_time); + profile_add(&prof_wait_time, &pause_time); + } + do_profiling = PROF_YES; + } else { + /* The rest is similar to ":breakadd". */ + ex_breakadd(eap); + } +} + +/* Command line expansion for :profile. */ +static enum { + PEXP_SUBCMD, /* expand :profile sub-commands */ + PEXP_FUNC /* expand :profile func {funcname} */ +} pexpand_what; + +static char *pexpand_cmds[] = { + "start", +#define PROFCMD_START 0 + "pause", +#define PROFCMD_PAUSE 1 + "continue", +#define PROFCMD_CONTINUE 2 + "func", +#define PROFCMD_FUNC 3 + "file", +#define PROFCMD_FILE 4 + NULL +#define PROFCMD_LAST 5 +}; + +/* + * Function given to ExpandGeneric() to obtain the profile command + * specific expansion. + */ +char_u *get_profile_name(expand_T *xp, int idx) +{ + switch (pexpand_what) { + case PEXP_SUBCMD: + return (char_u *)pexpand_cmds[idx]; + /* case PEXP_FUNC: TODO */ + default: + return NULL; + } +} + +/* + * Handle command line completion for :profile command. + */ +void set_context_in_profile_cmd(expand_T *xp, char_u *arg) +{ + char_u *end_subcmd; + + /* Default: expand subcommands. */ + xp->xp_context = EXPAND_PROFILE; + pexpand_what = PEXP_SUBCMD; + xp->xp_pattern = arg; + + end_subcmd = skiptowhite(arg); + if (*end_subcmd == NUL) + return; + + if (end_subcmd - arg == 5 && STRNCMP(arg, "start", 5) == 0) { + xp->xp_context = EXPAND_FILES; + xp->xp_pattern = skipwhite(end_subcmd); + return; + } + + /* TODO: expand function names after "func" */ + xp->xp_context = EXPAND_NOTHING; +} + +/* + * Dump the profiling info. + */ +void profile_dump(void) +{ + FILE *fd; + + if (profile_fname != NULL) { + fd = mch_fopen((char *)profile_fname, "w"); + if (fd == NULL) + EMSG2(_(e_notopen), profile_fname); + else { + script_dump_profile(fd); + func_dump_profile(fd); + fclose(fd); + } + } +} + +/* + * Start profiling script "fp". + */ +static void script_do_profile(scriptitem_T *si) +{ + si->sn_pr_count = 0; + profile_zero(&si->sn_pr_total); + profile_zero(&si->sn_pr_self); + + ga_init(&si->sn_prl_ga, sizeof(sn_prl_T), 100); + si->sn_prl_idx = -1; + si->sn_prof_on = TRUE; + si->sn_pr_nest = 0; +} + +/* + * save time when starting to invoke another script or function. + */ +void script_prof_save(tm) +proftime_T *tm; /* place to store wait time */ +{ + scriptitem_T *si; + + if (current_SID > 0 && current_SID <= script_items.ga_len) { + si = &SCRIPT_ITEM(current_SID); + if (si->sn_prof_on && si->sn_pr_nest++ == 0) + profile_start(&si->sn_pr_child); + } + profile_get_wait(tm); +} + +/* + * Count time spent in children after invoking another script or function. + */ +void script_prof_restore(tm) +proftime_T *tm; +{ + scriptitem_T *si; + + if (current_SID > 0 && current_SID <= script_items.ga_len) { + si = &SCRIPT_ITEM(current_SID); + if (si->sn_prof_on && --si->sn_pr_nest == 0) { + profile_end(&si->sn_pr_child); + profile_sub_wait(tm, &si->sn_pr_child); /* don't count wait time */ + profile_add(&si->sn_pr_children, &si->sn_pr_child); + profile_add(&si->sn_prl_children, &si->sn_pr_child); + } + } +} + +static proftime_T inchar_time; + +/* + * Called when starting to wait for the user to type a character. + */ +void prof_inchar_enter(void) +{ + profile_start(&inchar_time); +} + +/* + * Called when finished waiting for the user to type a character. + */ +void prof_inchar_exit(void) +{ + profile_end(&inchar_time); + profile_add(&prof_wait_time, &inchar_time); +} + +/* + * Dump the profiling results for all scripts in file "fd". + */ +static void script_dump_profile(FILE *fd) +{ + int id; + scriptitem_T *si; + int i; + FILE *sfd; + sn_prl_T *pp; + + for (id = 1; id <= script_items.ga_len; ++id) { + si = &SCRIPT_ITEM(id); + if (si->sn_prof_on) { + fprintf(fd, "SCRIPT %s\n", si->sn_name); + if (si->sn_pr_count == 1) + fprintf(fd, "Sourced 1 time\n"); + else + fprintf(fd, "Sourced %d times\n", si->sn_pr_count); + fprintf(fd, "Total time: %s\n", profile_msg(&si->sn_pr_total)); + fprintf(fd, " Self time: %s\n", profile_msg(&si->sn_pr_self)); + fprintf(fd, "\n"); + fprintf(fd, "count total (s) self (s)\n"); + + sfd = mch_fopen((char *)si->sn_name, "r"); + if (sfd == NULL) + fprintf(fd, "Cannot open file!\n"); + else { + for (i = 0; i < si->sn_prl_ga.ga_len; ++i) { + if (vim_fgets(IObuff, IOSIZE, sfd)) + break; + pp = &PRL_ITEM(si, i); + if (pp->snp_count > 0) { + fprintf(fd, "%5d ", pp->snp_count); + if (profile_equal(&pp->sn_prl_total, &pp->sn_prl_self)) + fprintf(fd, " "); + else + fprintf(fd, "%s ", profile_msg(&pp->sn_prl_total)); + fprintf(fd, "%s ", profile_msg(&pp->sn_prl_self)); + } else + fprintf(fd, " "); + fprintf(fd, "%s", IObuff); + } + fclose(sfd); + } + fprintf(fd, "\n"); + } + } +} + +/* + * Return TRUE when a function defined in the current script should be + * profiled. + */ +int prof_def_func(void) +{ + if (current_SID > 0) + return SCRIPT_ITEM(current_SID).sn_pr_force; + return FALSE; +} + +/* + * If 'autowrite' option set, try to write the file. + * Careful: autocommands may make "buf" invalid! + * + * return FAIL for failure, OK otherwise + */ +int autowrite(buf_T *buf, int forceit) +{ + int r; + + if (!(p_aw || p_awa) || !p_write + /* never autowrite a "nofile" or "nowrite" buffer */ + || bt_dontwrite(buf) + || (!forceit && buf->b_p_ro) || buf->b_ffname == NULL) + return FAIL; + r = buf_write_all(buf, forceit); + + /* Writing may succeed but the buffer still changed, e.g., when there is a + * conversion error. We do want to return FAIL then. */ + if (buf_valid(buf) && bufIsChanged(buf)) + r = FAIL; + return r; +} + +/* + * flush all buffers, except the ones that are readonly + */ +void autowrite_all(void) +{ + buf_T *buf; + + if (!(p_aw || p_awa) || !p_write) + return; + for (buf = firstbuf; buf; buf = buf->b_next) + if (bufIsChanged(buf) && !buf->b_p_ro) { + (void)buf_write_all(buf, FALSE); + /* an autocommand may have deleted the buffer */ + if (!buf_valid(buf)) + buf = firstbuf; + } +} + +/* + * Return TRUE if buffer was changed and cannot be abandoned. + * For flags use the CCGD_ values. + */ +int check_changed(buf_T *buf, int flags) +{ + int forceit = (flags & CCGD_FORCEIT); + + if ( !forceit + && bufIsChanged(buf) + && ((flags & CCGD_MULTWIN) || buf->b_nwindows <= 1) + && (!(flags & CCGD_AW) || autowrite(buf, forceit) == FAIL)) { + if ((p_confirm || cmdmod.confirm) && p_write) { + buf_T *buf2; + int count = 0; + + if (flags & CCGD_ALLBUF) + for (buf2 = firstbuf; buf2 != NULL; buf2 = buf2->b_next) + if (bufIsChanged(buf2) + && (buf2->b_ffname != NULL + )) + ++count; + if (!buf_valid(buf)) + /* Autocommand deleted buffer, oops! It's not changed now. */ + return FALSE; + dialog_changed(buf, count > 1); + if (!buf_valid(buf)) + /* Autocommand deleted buffer, oops! It's not changed now. */ + return FALSE; + return bufIsChanged(buf); + } + if (flags & CCGD_EXCMD) + EMSG(_(e_nowrtmsg)); + else + EMSG(_(e_nowrtmsg_nobang)); + return TRUE; + } + return FALSE; +} + + + +/* + * Ask the user what to do when abandoning a changed buffer. + * Must check 'write' option first! + */ +void +dialog_changed ( + buf_T *buf, + int checkall /* may abandon all changed buffers */ +) +{ + char_u buff[DIALOG_MSG_SIZE]; + int ret; + buf_T *buf2; + exarg_T ea; + + dialog_msg(buff, _("Save changes to \"%s\"?"), + (buf->b_fname != NULL) ? + buf->b_fname : (char_u *)_("Untitled")); + if (checkall) + ret = vim_dialog_yesnoallcancel(VIM_QUESTION, NULL, buff, 1); + else + ret = vim_dialog_yesnocancel(VIM_QUESTION, NULL, buff, 1); + + /* Init ea pseudo-structure, this is needed for the check_overwrite() + * function. */ + ea.append = ea.forceit = FALSE; + + if (ret == VIM_YES) { + if (buf->b_fname != NULL && check_overwrite(&ea, buf, + buf->b_fname, buf->b_ffname, FALSE) == OK) + /* didn't hit Cancel */ + (void)buf_write_all(buf, FALSE); + } else if (ret == VIM_NO) { + unchanged(buf, TRUE); + } else if (ret == VIM_ALL) { + /* + * Write all modified files that can be written. + * Skip readonly buffers, these need to be confirmed + * individually. + */ + for (buf2 = firstbuf; buf2 != NULL; buf2 = buf2->b_next) { + if (bufIsChanged(buf2) + && (buf2->b_ffname != NULL + ) + && !buf2->b_p_ro) { + if (buf2->b_fname != NULL && check_overwrite(&ea, buf2, + buf2->b_fname, buf2->b_ffname, FALSE) == OK) + /* didn't hit Cancel */ + (void)buf_write_all(buf2, FALSE); + /* an autocommand may have deleted the buffer */ + if (!buf_valid(buf2)) + buf2 = firstbuf; + } + } + } else if (ret == VIM_DISCARDALL) { + /* + * mark all buffers as unchanged + */ + for (buf2 = firstbuf; buf2 != NULL; buf2 = buf2->b_next) + unchanged(buf2, TRUE); + } +} + +/* + * Return TRUE if the buffer "buf" can be abandoned, either by making it + * hidden, autowriting it or unloading it. + */ +int can_abandon(buf_T *buf, int forceit) +{ + return P_HID(buf) + || !bufIsChanged(buf) + || buf->b_nwindows > 1 + || autowrite(buf, forceit) == OK + || forceit; +} + +static void add_bufnum(int *bufnrs, int *bufnump, int nr); + +/* + * Add a buffer number to "bufnrs", unless it's already there. + */ +static void add_bufnum(int *bufnrs, int *bufnump, int nr) +{ + int i; + + for (i = 0; i < *bufnump; ++i) + if (bufnrs[i] == nr) + return; + bufnrs[*bufnump] = nr; + *bufnump = *bufnump + 1; +} + +/* + * Return TRUE if any buffer was changed and cannot be abandoned. + * That changed buffer becomes the current buffer. + */ +int +check_changed_any ( + int hidden /* Only check hidden buffers */ +) +{ + int ret = FALSE; + buf_T *buf; + int save; + int i; + int bufnum = 0; + int bufcount = 0; + int *bufnrs; + tabpage_T *tp; + win_T *wp; + + for (buf = firstbuf; buf != NULL; buf = buf->b_next) + ++bufcount; + + if (bufcount == 0) + return FALSE; + + bufnrs = xmalloc(sizeof(*bufnrs) * bufcount); + + /* curbuf */ + bufnrs[bufnum++] = curbuf->b_fnum; + /* buf in curtab */ + FOR_ALL_WINDOWS(wp) + if (wp->w_buffer != curbuf) + add_bufnum(bufnrs, &bufnum, wp->w_buffer->b_fnum); + + /* buf in other tab */ + for (tp = first_tabpage; tp != NULL; tp = tp->tp_next) + if (tp != curtab) + for (wp = tp->tp_firstwin; wp != NULL; wp = wp->w_next) + add_bufnum(bufnrs, &bufnum, wp->w_buffer->b_fnum); + /* any other buf */ + for (buf = firstbuf; buf != NULL; buf = buf->b_next) + add_bufnum(bufnrs, &bufnum, buf->b_fnum); + + for (i = 0; i < bufnum; ++i) { + buf = buflist_findnr(bufnrs[i]); + if (buf == NULL) + continue; + if ((!hidden || buf->b_nwindows == 0) && bufIsChanged(buf)) { + /* Try auto-writing the buffer. If this fails but the buffer no + * longer exists it's not changed, that's OK. */ + if (check_changed(buf, (p_awa ? CCGD_AW : 0) + | CCGD_MULTWIN + | CCGD_ALLBUF) && buf_valid(buf)) + break; /* didn't save - still changes */ + } + } + + if (i >= bufnum) + goto theend; + + ret = TRUE; + exiting = FALSE; + /* + * When ":confirm" used, don't give an error message. + */ + if (!(p_confirm || cmdmod.confirm)) { + /* There must be a wait_return for this message, do_buffer() + * may cause a redraw. But wait_return() is a no-op when vgetc() + * is busy (Quit used from window menu), then make sure we don't + * cause a scroll up. */ + if (vgetc_busy > 0) { + msg_row = cmdline_row; + msg_col = 0; + msg_didout = FALSE; + } + if (EMSG2(_("E162: No write since last change for buffer \"%s\""), + buf_spname(buf) != NULL ? buf_spname(buf) : buf->b_fname)) { + save = no_wait_return; + no_wait_return = FALSE; + wait_return(FALSE); + no_wait_return = save; + } + } + + /* Try to find a window that contains the buffer. */ + if (buf != curbuf) + FOR_ALL_TAB_WINDOWS(tp, wp) + if (wp->w_buffer == buf) { + goto_tabpage_win(tp, wp); + /* Paranoia: did autocms wipe out the buffer with changes? */ + if (!buf_valid(buf)) { + goto theend; + } + goto buf_found; + } +buf_found: + + /* Open the changed buffer in the current window. */ + if (buf != curbuf) + set_curbuf(buf, DOBUF_GOTO); + +theend: + free(bufnrs); + return ret; +} + +/* + * return FAIL if there is no file name, OK if there is one + * give error message for FAIL + */ +int check_fname(void) +{ + if (curbuf->b_ffname == NULL) { + EMSG(_(e_noname)); + return FAIL; + } + return OK; +} + +/* + * flush the contents of a buffer, unless it has no file name + * + * return FAIL for failure, OK otherwise + */ +int buf_write_all(buf_T *buf, int forceit) +{ + int retval; + buf_T *old_curbuf = curbuf; + + retval = (buf_write(buf, buf->b_ffname, buf->b_fname, + (linenr_T)1, buf->b_ml.ml_line_count, NULL, + FALSE, forceit, TRUE, FALSE)); + if (curbuf != old_curbuf) { + msg_source(hl_attr(HLF_W)); + MSG(_("Warning: Entered other buffer unexpectedly (check autocommands)")); + } + return retval; +} + +/* + * Code to handle the argument list. + */ + +static char_u *do_one_arg(char_u *str); +static int do_arglist(char_u *str, int what, int after); +static void alist_check_arg_idx(void); +static int editing_arg_idx(win_T *win); +static int alist_add_list(int count, char_u **files, int after); +#define AL_SET 1 +#define AL_ADD 2 +#define AL_DEL 3 + +/* + * Isolate one argument, taking backticks. + * Changes the argument in-place, puts a NUL after it. Backticks remain. + * Return a pointer to the start of the next argument. + */ +static char_u *do_one_arg(char_u *str) +{ + char_u *p; + int inbacktick; + + inbacktick = FALSE; + for (p = str; *str; ++str) { + /* When the backslash is used for escaping the special meaning of a + * character we need to keep it until wildcard expansion. */ + if (rem_backslash(str)) { + *p++ = *str++; + *p++ = *str; + } else { + /* An item ends at a space not in backticks */ + if (!inbacktick && vim_isspace(*str)) + break; + if (*str == '`') + inbacktick ^= TRUE; + *p++ = *str; + } + } + str = skipwhite(str); + *p = NUL; + + return str; +} + +/* + * Separate the arguments in "str" and return a list of pointers in the + * growarray "gap". + */ +void get_arglist(garray_T *gap, char_u *str) +{ + ga_init(gap, (int)sizeof(char_u *), 20); + while (*str != NUL) { + ga_grow(gap, 1); + ((char_u **)gap->ga_data)[gap->ga_len++] = str; + + /* Isolate one argument, change it in-place, put a NUL after it. */ + str = do_one_arg(str); + } +} + +/* + * Parse a list of arguments (file names), expand them and return in + * "fnames[fcountp]". When "wig" is TRUE, removes files matching 'wildignore'. + * Return FAIL or OK. + */ +int get_arglist_exp(char_u *str, int *fcountp, char_u ***fnamesp, int wig) +{ + garray_T ga; + int i; + + get_arglist(&ga, str); + + if (wig == TRUE) + i = expand_wildcards(ga.ga_len, (char_u **)ga.ga_data, + fcountp, fnamesp, EW_FILE|EW_NOTFOUND); + else + i = gen_expand_wildcards(ga.ga_len, (char_u **)ga.ga_data, + fcountp, fnamesp, EW_FILE|EW_NOTFOUND); + + ga_clear(&ga); + return i; +} + + +/* + * "what" == AL_SET: Redefine the argument list to 'str'. + * "what" == AL_ADD: add files in 'str' to the argument list after "after". + * "what" == AL_DEL: remove files in 'str' from the argument list. + * + * Return FAIL for failure, OK otherwise. + */ +static int +do_arglist ( + char_u *str, + int what, + int after /* 0 means before first one */ +) +{ + garray_T new_ga; + int exp_count; + char_u **exp_files; + int i; + char_u *p; + int match; + + /* + * Collect all file name arguments in "new_ga". + */ + get_arglist(&new_ga, str); + + if (what == AL_DEL) { + regmatch_T regmatch; + int didone; + + /* + * Delete the items: use each item as a regexp and find a match in the + * argument list. + */ + regmatch.rm_ic = p_fic; /* ignore case when 'fileignorecase' is set */ + for (i = 0; i < new_ga.ga_len && !got_int; ++i) { + p = ((char_u **)new_ga.ga_data)[i]; + p = file_pat_to_reg_pat(p, NULL, NULL, FALSE); + if (p == NULL) + break; + regmatch.regprog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); + if (regmatch.regprog == NULL) { + free(p); + break; + } + + didone = FALSE; + for (match = 0; match < ARGCOUNT; ++match) + if (vim_regexec(®match, alist_name(&ARGLIST[match]), + (colnr_T)0)) { + didone = TRUE; + free(ARGLIST[match].ae_fname); + memmove(ARGLIST + match, ARGLIST + match + 1, + (ARGCOUNT - match - 1) * sizeof(aentry_T)); + --ALIST(curwin)->al_ga.ga_len; + if (curwin->w_arg_idx > match) + --curwin->w_arg_idx; + --match; + } + + vim_regfree(regmatch.regprog); + free(p); + if (!didone) + EMSG2(_(e_nomatch2), ((char_u **)new_ga.ga_data)[i]); + } + ga_clear(&new_ga); + } else { + i = expand_wildcards(new_ga.ga_len, (char_u **)new_ga.ga_data, + &exp_count, &exp_files, EW_DIR|EW_FILE|EW_ADDSLASH|EW_NOTFOUND); + ga_clear(&new_ga); + if (i == FAIL) + return FAIL; + if (exp_count == 0) { + EMSG(_(e_nomatch)); + return FAIL; + } + + if (what == AL_ADD) { + (void)alist_add_list(exp_count, exp_files, after); + free(exp_files); + } else /* what == AL_SET */ + alist_set(ALIST(curwin), exp_count, exp_files, FALSE, NULL, 0); + } + + alist_check_arg_idx(); + + return OK; +} + +/* + * Check the validity of the arg_idx for each other window. + */ +static void alist_check_arg_idx(void) +{ + win_T *win; + tabpage_T *tp; + + FOR_ALL_TAB_WINDOWS(tp, win) + if (win->w_alist == curwin->w_alist) + check_arg_idx(win); +} + +/* + * Return TRUE if window "win" is editing the file at the current argument + * index. + */ +static int editing_arg_idx(win_T *win) +{ + return !(win->w_arg_idx >= WARGCOUNT(win) + || (win->w_buffer->b_fnum + != WARGLIST(win)[win->w_arg_idx].ae_fnum + && (win->w_buffer->b_ffname == NULL + || !(path_full_compare( + alist_name(&WARGLIST(win)[win->w_arg_idx]), + win->w_buffer->b_ffname, TRUE) & kEqualFiles)))); +} + +/* + * Check if window "win" is editing the w_arg_idx file in its argument list. + */ +void check_arg_idx(win_T *win) +{ + if (WARGCOUNT(win) > 1 && !editing_arg_idx(win)) { + /* We are not editing the current entry in the argument list. + * Set "arg_had_last" if we are editing the last one. */ + win->w_arg_idx_invalid = TRUE; + if (win->w_arg_idx != WARGCOUNT(win) - 1 + && arg_had_last == FALSE + && ALIST(win) == &global_alist + && GARGCOUNT > 0 + && win->w_arg_idx < GARGCOUNT + && (win->w_buffer->b_fnum == GARGLIST[GARGCOUNT - 1].ae_fnum + || (win->w_buffer->b_ffname != NULL + && (path_full_compare(alist_name(&GARGLIST[GARGCOUNT - 1]), + win->w_buffer->b_ffname, TRUE) & kEqualFiles)))) + arg_had_last = TRUE; + } else { + /* We are editing the current entry in the argument list. + * Set "arg_had_last" if it's also the last one */ + win->w_arg_idx_invalid = FALSE; + if (win->w_arg_idx == WARGCOUNT(win) - 1 + && win->w_alist == &global_alist + ) + arg_had_last = TRUE; + } +} + +/* + * ":args", ":argslocal" and ":argsglobal". + */ +void ex_args(exarg_T *eap) +{ + int i; + + if (eap->cmdidx != CMD_args) { + alist_unlink(ALIST(curwin)); + if (eap->cmdidx == CMD_argglobal) + ALIST(curwin) = &global_alist; + else /* eap->cmdidx == CMD_arglocal */ + alist_new(); + } + + if (!ends_excmd(*eap->arg)) { + /* + * ":args file ..": define new argument list, handle like ":next" + * Also for ":argslocal file .." and ":argsglobal file ..". + */ + ex_next(eap); + } else if (eap->cmdidx == CMD_args) { + /* + * ":args": list arguments. + */ + if (ARGCOUNT > 0) { + /* Overwrite the command, for a short list there is no scrolling + * required and no wait_return(). */ + gotocmdline(TRUE); + for (i = 0; i < ARGCOUNT; ++i) { + if (i == curwin->w_arg_idx) + msg_putchar('['); + msg_outtrans(alist_name(&ARGLIST[i])); + if (i == curwin->w_arg_idx) + msg_putchar(']'); + msg_putchar(' '); + } + } + } else if (eap->cmdidx == CMD_arglocal) { + garray_T *gap = &curwin->w_alist->al_ga; + + /* + * ":argslocal": make a local copy of the global argument list. + */ + ga_grow(gap, GARGCOUNT); + for (i = 0; i < GARGCOUNT; ++i) + if (GARGLIST[i].ae_fname != NULL) { + AARGLIST(curwin->w_alist)[gap->ga_len].ae_fname = + vim_strsave(GARGLIST[i].ae_fname); + AARGLIST(curwin->w_alist)[gap->ga_len].ae_fnum = + GARGLIST[i].ae_fnum; + ++gap->ga_len; + } + } +} + +/* + * ":previous", ":sprevious", ":Next" and ":sNext". + */ +void ex_previous(exarg_T *eap) +{ + /* If past the last one already, go to the last one. */ + if (curwin->w_arg_idx - (int)eap->line2 >= ARGCOUNT) + do_argfile(eap, ARGCOUNT - 1); + else + do_argfile(eap, curwin->w_arg_idx - (int)eap->line2); +} + +/* + * ":rewind", ":first", ":sfirst" and ":srewind". + */ +void ex_rewind(exarg_T *eap) +{ + do_argfile(eap, 0); +} + +/* + * ":last" and ":slast". + */ +void ex_last(exarg_T *eap) +{ + do_argfile(eap, ARGCOUNT - 1); +} + +/* + * ":argument" and ":sargument". + */ +void ex_argument(exarg_T *eap) +{ + int i; + + if (eap->addr_count > 0) + i = eap->line2 - 1; + else + i = curwin->w_arg_idx; + do_argfile(eap, i); +} + +/* + * Edit file "argn" of the argument lists. + */ +void do_argfile(exarg_T *eap, int argn) +{ + int other; + char_u *p; + int old_arg_idx = curwin->w_arg_idx; + + if (argn < 0 || argn >= ARGCOUNT) { + if (ARGCOUNT <= 1) + EMSG(_("E163: There is only one file to edit")); + else if (argn < 0) + EMSG(_("E164: Cannot go before first file")); + else + EMSG(_("E165: Cannot go beyond last file")); + } else { + setpcmark(); + + /* split window or create new tab page first */ + if (*eap->cmd == 's' || cmdmod.tab != 0) { + if (win_split(0, 0) == FAIL) + return; + RESET_BINDING(curwin); + } else { + /* + * if 'hidden' set, only check for changed file when re-editing + * the same buffer + */ + other = TRUE; + if (P_HID(curbuf)) { + p = fix_fname(alist_name(&ARGLIST[argn])); + other = otherfile(p); + free(p); + } + if ((!P_HID(curbuf) || !other) + && check_changed(curbuf, CCGD_AW + | (other ? 0 : CCGD_MULTWIN) + | (eap->forceit ? CCGD_FORCEIT : 0) + | CCGD_EXCMD)) + return; + } + + curwin->w_arg_idx = argn; + if (argn == ARGCOUNT - 1 + && curwin->w_alist == &global_alist + ) + arg_had_last = TRUE; + + /* Edit the file; always use the last known line number. + * When it fails (e.g. Abort for already edited file) restore the + * argument index. */ + if (do_ecmd(0, alist_name(&ARGLIST[curwin->w_arg_idx]), NULL, + eap, ECMD_LAST, + (P_HID(curwin->w_buffer) ? ECMD_HIDE : 0) + + (eap->forceit ? ECMD_FORCEIT : 0), curwin) == FAIL) + curwin->w_arg_idx = old_arg_idx; + /* like Vi: set the mark where the cursor is in the file. */ + else if (eap->cmdidx != CMD_argdo) + setmark('\''); + } +} + +/* + * ":next", and commands that behave like it. + */ +void ex_next(exarg_T *eap) +{ + int i; + + /* + * check for changed buffer now, if this fails the argument list is not + * redefined. + */ + if ( P_HID(curbuf) + || eap->cmdidx == CMD_snext + || !check_changed(curbuf, CCGD_AW + | (eap->forceit ? CCGD_FORCEIT : 0) + | CCGD_EXCMD)) { + if (*eap->arg != NUL) { /* redefine file list */ + if (do_arglist(eap->arg, AL_SET, 0) == FAIL) + return; + i = 0; + } else + i = curwin->w_arg_idx + (int)eap->line2; + do_argfile(eap, i); + } +} + +/* + * ":argedit" + */ +void ex_argedit(exarg_T *eap) +{ + int fnum; + int i; + char_u *s; + + /* Add the argument to the buffer list and get the buffer number. */ + fnum = buflist_add(eap->arg, BLN_LISTED); + + /* Check if this argument is already in the argument list. */ + for (i = 0; i < ARGCOUNT; ++i) + if (ARGLIST[i].ae_fnum == fnum) + break; + if (i == ARGCOUNT) { + /* Can't find it, add it to the argument list. */ + s = vim_strsave(eap->arg); + if (s == NULL) + return; + i = alist_add_list(1, &s, + eap->addr_count > 0 ? (int)eap->line2 : curwin->w_arg_idx + 1); + curwin->w_arg_idx = i; + } + + alist_check_arg_idx(); + + /* Edit the argument. */ + do_argfile(eap, i); +} + +/* + * ":argadd" + */ +void ex_argadd(exarg_T *eap) +{ + do_arglist(eap->arg, AL_ADD, + eap->addr_count > 0 ? (int)eap->line2 : curwin->w_arg_idx + 1); + maketitle(); +} + +/* + * ":argdelete" + */ +void ex_argdelete(exarg_T *eap) +{ + int i; + int n; + + if (eap->addr_count > 0) { + /* ":1,4argdel": Delete all arguments in the range. */ + if (eap->line2 > ARGCOUNT) + eap->line2 = ARGCOUNT; + n = eap->line2 - eap->line1 + 1; + if (*eap->arg != NUL || n <= 0) + EMSG(_(e_invarg)); + else { + for (i = eap->line1; i <= eap->line2; ++i) + free(ARGLIST[i - 1].ae_fname); + memmove(ARGLIST + eap->line1 - 1, ARGLIST + eap->line2, + (size_t)((ARGCOUNT - eap->line2) * sizeof(aentry_T))); + ALIST(curwin)->al_ga.ga_len -= n; + if (curwin->w_arg_idx >= eap->line2) + curwin->w_arg_idx -= n; + else if (curwin->w_arg_idx > eap->line1) + curwin->w_arg_idx = eap->line1; + } + } else if (*eap->arg == NUL) + EMSG(_(e_argreq)); + else + do_arglist(eap->arg, AL_DEL, 0); + maketitle(); +} + +/* + * ":argdo", ":windo", ":bufdo", ":tabdo" + */ +void ex_listdo(exarg_T *eap) +{ + int i; + win_T *wp; + tabpage_T *tp; + buf_T *buf; + int next_fnum = 0; + char_u *save_ei = NULL; + char_u *p_shm_save; + + + if (eap->cmdidx != CMD_windo && eap->cmdidx != CMD_tabdo) + /* Don't do syntax HL autocommands. Skipping the syntax file is a + * great speed improvement. */ + save_ei = au_event_disable(",Syntax"); + + if (eap->cmdidx == CMD_windo + || eap->cmdidx == CMD_tabdo + || P_HID(curbuf) + || !check_changed(curbuf, CCGD_AW + | (eap->forceit ? CCGD_FORCEIT : 0) + | CCGD_EXCMD)) { + /* start at the first argument/window/buffer */ + i = 0; + wp = firstwin; + tp = first_tabpage; + /* set pcmark now */ + if (eap->cmdidx == CMD_bufdo) + goto_buffer(eap, DOBUF_FIRST, FORWARD, 0); + else + setpcmark(); + listcmd_busy = TRUE; /* avoids setting pcmark below */ + + while (!got_int) { + if (eap->cmdidx == CMD_argdo) { + /* go to argument "i" */ + if (i == ARGCOUNT) + break; + /* Don't call do_argfile() when already there, it will try + * reloading the file. */ + if (curwin->w_arg_idx != i || !editing_arg_idx(curwin)) { + /* Clear 'shm' to avoid that the file message overwrites + * any output from the command. */ + p_shm_save = vim_strsave(p_shm); + set_option_value((char_u *)"shm", 0L, (char_u *)"", 0); + do_argfile(eap, i); + set_option_value((char_u *)"shm", 0L, p_shm_save, 0); + free(p_shm_save); + } + if (curwin->w_arg_idx != i) + break; + ++i; + } else if (eap->cmdidx == CMD_windo) { + /* go to window "wp" */ + if (!win_valid(wp)) + break; + win_goto(wp); + if (curwin != wp) + break; /* something must be wrong */ + wp = curwin->w_next; + } else if (eap->cmdidx == CMD_tabdo) { + /* go to window "tp" */ + if (!valid_tabpage(tp)) + break; + goto_tabpage_tp(tp, TRUE, TRUE); + tp = tp->tp_next; + } else if (eap->cmdidx == CMD_bufdo) { + /* Remember the number of the next listed buffer, in case + * ":bwipe" is used or autocommands do something strange. */ + next_fnum = -1; + for (buf = curbuf->b_next; buf != NULL; buf = buf->b_next) + if (buf->b_p_bl) { + next_fnum = buf->b_fnum; + break; + } + } + + /* execute the command */ + do_cmdline(eap->arg, eap->getline, eap->cookie, + DOCMD_VERBOSE + DOCMD_NOWAIT); + + if (eap->cmdidx == CMD_bufdo) { + /* Done? */ + if (next_fnum < 0) + break; + /* Check if the buffer still exists. */ + for (buf = firstbuf; buf != NULL; buf = buf->b_next) + if (buf->b_fnum == next_fnum) + break; + if (buf == NULL) + break; + + /* Go to the next buffer. Clear 'shm' to avoid that the file + * message overwrites any output from the command. */ + p_shm_save = vim_strsave(p_shm); + set_option_value((char_u *)"shm", 0L, (char_u *)"", 0); + goto_buffer(eap, DOBUF_FIRST, FORWARD, next_fnum); + set_option_value((char_u *)"shm", 0L, p_shm_save, 0); + free(p_shm_save); + + /* If autocommands took us elsewhere, quit here */ + if (curbuf->b_fnum != next_fnum) + break; + } + + if (eap->cmdidx == CMD_windo) { + validate_cursor(); /* cursor may have moved */ + /* required when 'scrollbind' has been set */ + if (curwin->w_p_scb) + do_check_scrollbind(TRUE); + } + } + listcmd_busy = FALSE; + } + + if (save_ei != NULL) { + au_event_restore(save_ei); + apply_autocmds(EVENT_SYNTAX, curbuf->b_p_syn, + curbuf->b_fname, TRUE, curbuf); + } +} + +/* + * Add files[count] to the arglist of the current window after arg "after". + * The file names in files[count] must have been allocated and are taken over. + * Files[] itself is not taken over. + * Returns index of first added argument. + */ +static int +alist_add_list ( + int count, + char_u **files, + int after /* where to add: 0 = before first one */ +) +{ + int i; + + ga_grow(&ALIST(curwin)->al_ga, count); + { + if (after < 0) + after = 0; + if (after > ARGCOUNT) + after = ARGCOUNT; + if (after < ARGCOUNT) + memmove(&(ARGLIST[after + count]), &(ARGLIST[after]), + (ARGCOUNT - after) * sizeof(aentry_T)); + for (i = 0; i < count; ++i) { + ARGLIST[after + i].ae_fname = files[i]; + ARGLIST[after + i].ae_fnum = buflist_add(files[i], BLN_LISTED); + } + ALIST(curwin)->al_ga.ga_len += count; + if (curwin->w_arg_idx >= after) + ++curwin->w_arg_idx; + return after; + } +} + + +/* + * ":compiler[!] {name}" + */ +void ex_compiler(exarg_T *eap) +{ + char_u *buf; + char_u *old_cur_comp = NULL; + char_u *p; + + if (*eap->arg == NUL) { + /* List all compiler scripts. */ + do_cmdline_cmd((char_u *)"echo globpath(&rtp, 'compiler/*.vim')"); + /* ) keep the indenter happy... */ + } else { + buf = xmalloc(STRLEN(eap->arg) + 14); + if (eap->forceit) { + /* ":compiler! {name}" sets global options */ + do_cmdline_cmd((char_u *) + "command -nargs=* CompilerSet set <args>"); + } else { + /* ":compiler! {name}" sets local options. + * To remain backwards compatible "current_compiler" is always + * used. A user's compiler plugin may set it, the distributed + * plugin will then skip the settings. Afterwards set + * "b:current_compiler" and restore "current_compiler". + * Explicitly prepend "g:" to make it work in a function. */ + old_cur_comp = get_var_value((char_u *)"g:current_compiler"); + if (old_cur_comp != NULL) + old_cur_comp = vim_strsave(old_cur_comp); + do_cmdline_cmd((char_u *) + "command -nargs=* CompilerSet setlocal <args>"); + } + do_unlet((char_u *)"g:current_compiler", TRUE); + do_unlet((char_u *)"b:current_compiler", TRUE); + + sprintf((char *)buf, "compiler/%s.vim", eap->arg); + if (source_runtime(buf, TRUE) == FAIL) + EMSG2(_("E666: compiler not supported: %s"), eap->arg); + free(buf); + + do_cmdline_cmd((char_u *)":delcommand CompilerSet"); + + /* Set "b:current_compiler" from "current_compiler". */ + p = get_var_value((char_u *)"g:current_compiler"); + if (p != NULL) + set_internal_string_var((char_u *)"b:current_compiler", p); + + /* Restore "current_compiler" for ":compiler {name}". */ + if (!eap->forceit) { + if (old_cur_comp != NULL) { + set_internal_string_var((char_u *)"g:current_compiler", + old_cur_comp); + free(old_cur_comp); + } else + do_unlet((char_u *)"g:current_compiler", TRUE); + } + } +} + +/* + * ":runtime {name}" + */ +void ex_runtime(exarg_T *eap) +{ + source_runtime(eap->arg, eap->forceit); +} + +static void source_callback(char_u *fname, void *cookie); + +static void source_callback(char_u *fname, void *cookie) +{ + (void)do_source(fname, FALSE, DOSO_NONE); +} + +/* + * Source the file "name" from all directories in 'runtimepath'. + * "name" can contain wildcards. + * When "all" is TRUE, source all files, otherwise only the first one. + * return FAIL when no file could be sourced, OK otherwise. + */ +int source_runtime(char_u *name, int all) +{ + return do_in_runtimepath(name, all, source_callback, NULL); +} + +/* + * Find "name" in 'runtimepath'. When found, invoke the callback function for + * it: callback(fname, "cookie") + * When "all" is TRUE repeat for all matches, otherwise only the first one is + * used. + * Returns OK when at least one match found, FAIL otherwise. + * + * If "name" is NULL calls callback for each entry in runtimepath. Cookie is + * passed by reference in this case, setting it to NULL indicates that callback + * has done its job. + */ +int do_in_runtimepath(name, all, callback, cookie) +char_u *name; +int all; +void (*callback)(char_u *fname, void *ck); +void *cookie; +{ + char_u *rtp; + char_u *np; + char_u *buf; + char_u *rtp_copy; + char_u *tail; + int num_files; + char_u **files; + int i; + int did_one = FALSE; + + /* Make a copy of 'runtimepath'. Invoking the callback may change the + * value. */ + rtp_copy = vim_strsave(p_rtp); + buf = xmalloc(MAXPATHL); + if (rtp_copy != NULL) { + if (p_verbose > 1 && name != NULL) { + verbose_enter(); + smsg((char_u *)_("Searching for \"%s\" in \"%s\""), + (char *)name, (char *)p_rtp); + verbose_leave(); + } + + /* Loop over all entries in 'runtimepath'. */ + rtp = rtp_copy; + while (*rtp != NUL && (all || !did_one)) { + /* Copy the path from 'runtimepath' to buf[]. */ + copy_option_part(&rtp, buf, MAXPATHL, ","); + if (name == NULL) { + (*callback)(buf, (void *) &cookie); + if (!did_one) + did_one = (cookie == NULL); + } else if (STRLEN(buf) + STRLEN(name) + 2 < MAXPATHL) { + add_pathsep(buf); + tail = buf + STRLEN(buf); + + /* Loop over all patterns in "name" */ + np = name; + while (*np != NUL && (all || !did_one)) { + /* Append the pattern from "name" to buf[]. */ + copy_option_part(&np, tail, (int)(MAXPATHL - (tail - buf)), + "\t "); + + if (p_verbose > 2) { + verbose_enter(); + smsg((char_u *)_("Searching for \"%s\""), buf); + verbose_leave(); + } + + /* Expand wildcards, invoke the callback for each match. */ + if (gen_expand_wildcards(1, &buf, &num_files, &files, + EW_FILE) == OK) { + for (i = 0; i < num_files; ++i) { + (*callback)(files[i], cookie); + did_one = TRUE; + if (!all) + break; + } + FreeWild(num_files, files); + } + } + } + } + } + free(buf); + free(rtp_copy); + if (p_verbose > 0 && !did_one && name != NULL) { + verbose_enter(); + smsg((char_u *)_("not found in 'runtimepath': \"%s\""), name); + verbose_leave(); + } + + + return did_one ? OK : FAIL; +} + +/* + * ":options" + */ +void ex_options(exarg_T *eap) +{ + cmd_source((char_u *)SYS_OPTWIN_FILE, NULL); +} + +/* + * ":source {fname}" + */ +void ex_source(exarg_T *eap) +{ + cmd_source(eap->arg, eap); +} + +static void cmd_source(char_u *fname, exarg_T *eap) +{ + if (*fname == NUL) + EMSG(_(e_argreq)); + + else if (eap != NULL && eap->forceit) + /* ":source!": read Normal mode commands + * Need to execute the commands directly. This is required at least + * for: + * - ":g" command busy + * - after ":argdo", ":windo" or ":bufdo" + * - another command follows + * - inside a loop + */ + openscript(fname, global_busy || listcmd_busy || eap->nextcmd != NULL + || eap->cstack->cs_idx >= 0 + ); + + /* ":source" read ex commands */ + else if (do_source(fname, FALSE, DOSO_NONE) == FAIL) + EMSG2(_(e_notopen), fname); +} + +/* + * ":source" and associated commands. + */ +/* + * Structure used to store info for each sourced file. + * It is shared between do_source() and getsourceline(). + * This is required, because it needs to be handed to do_cmdline() and + * sourcing can be done recursively. + */ +struct source_cookie { + FILE *fp; /* opened file for sourcing */ + char_u *nextline; /* if not NULL: line that was read ahead */ + int finished; /* ":finish" used */ +#if defined(USE_CRNL) || defined(USE_CR) + int fileformat; /* EOL_UNKNOWN, EOL_UNIX or EOL_DOS */ + int error; /* TRUE if LF found after CR-LF */ +#endif + linenr_T breakpoint; /* next line with breakpoint or zero */ + char_u *fname; /* name of sourced file */ + int dbg_tick; /* debug_tick when breakpoint was set */ + int level; /* top nesting level of sourced file */ + vimconv_T conv; /* type of conversion */ +}; + +/* + * Return the address holding the next breakpoint line for a source cookie. + */ +linenr_T *source_breakpoint(void *cookie) +{ + return &((struct source_cookie *)cookie)->breakpoint; +} + +/* + * Return the address holding the debug tick for a source cookie. + */ +int *source_dbg_tick(void *cookie) +{ + return &((struct source_cookie *)cookie)->dbg_tick; +} + +/* + * Return the nesting level for a source cookie. + */ +int source_level(void *cookie) +{ + return ((struct source_cookie *)cookie)->level; +} + +static char_u *get_one_sourceline(struct source_cookie *sp); + +#if (defined(WIN32) && defined(FEAT_CSCOPE)) || defined(HAVE_FD_CLOEXEC) +# define USE_FOPEN_NOINH +static FILE *fopen_noinh_readbin(char *filename); + +/* + * Special function to open a file without handle inheritance. + * When possible the handle is closed on exec(). + */ +static FILE *fopen_noinh_readbin(char *filename) +{ + int fd_tmp = mch_open(filename, O_RDONLY, 0); + + if (fd_tmp == -1) + return NULL; + +# ifdef HAVE_FD_CLOEXEC + { + int fdflags = fcntl(fd_tmp, F_GETFD); + if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0) + fcntl(fd_tmp, F_SETFD, fdflags | FD_CLOEXEC); + } +# endif + + return fdopen(fd_tmp, READBIN); +} +#endif + + +/* + * do_source: Read the file "fname" and execute its lines as EX commands. + * + * This function may be called recursively! + * + * return FAIL if file could not be opened, OK otherwise + */ +int +do_source ( + char_u *fname, + int check_other, /* check for .vimrc and _vimrc */ + int is_vimrc /* DOSO_ value */ +) +{ + struct source_cookie cookie; + char_u *save_sourcing_name; + linenr_T save_sourcing_lnum; + char_u *p; + char_u *fname_exp; + char_u *firstline = NULL; + int retval = FAIL; + scid_T save_current_SID; + static scid_T last_current_SID = 0; + void *save_funccalp; + int save_debug_break_level = debug_break_level; + scriptitem_T *si = NULL; +#ifdef STARTUPTIME + struct timeval tv_rel; + struct timeval tv_start; +#endif + proftime_T wait_start; + + p = expand_env_save(fname); + if (p == NULL) + return retval; + fname_exp = fix_fname(p); + free(p); + if (fname_exp == NULL) + return retval; + if (os_isdir(fname_exp)) { + smsg((char_u *)_("Cannot source a directory: \"%s\""), fname); + goto theend; + } + + /* Apply SourceCmd autocommands, they should get the file and source it. */ + if (has_autocmd(EVENT_SOURCECMD, fname_exp, NULL) + && apply_autocmds(EVENT_SOURCECMD, fname_exp, fname_exp, + FALSE, curbuf)) { + retval = aborting() ? FAIL : OK; + goto theend; + } + + /* Apply SourcePre autocommands, they may get the file. */ + apply_autocmds(EVENT_SOURCEPRE, fname_exp, fname_exp, FALSE, curbuf); + +#ifdef USE_FOPEN_NOINH + cookie.fp = fopen_noinh_readbin((char *)fname_exp); +#else + cookie.fp = mch_fopen((char *)fname_exp, READBIN); +#endif + if (cookie.fp == NULL && check_other) { + /* + * Try again, replacing file name ".vimrc" by "_vimrc" or vice versa, + * and ".exrc" by "_exrc" or vice versa. + */ + p = path_tail(fname_exp); + if ((*p == '.' || *p == '_') + && (STRICMP(p + 1, "nvimrc") == 0 + || STRICMP(p + 1, "ngvimrc") == 0 + || STRICMP(p + 1, "exrc") == 0)) { + if (*p == '_') + *p = '.'; + else + *p = '_'; +#ifdef USE_FOPEN_NOINH + cookie.fp = fopen_noinh_readbin((char *)fname_exp); +#else + cookie.fp = mch_fopen((char *)fname_exp, READBIN); +#endif + } + } + + if (cookie.fp == NULL) { + if (p_verbose > 0) { + verbose_enter(); + if (sourcing_name == NULL) + smsg((char_u *)_("could not source \"%s\""), fname); + else + smsg((char_u *)_("line %" PRId64 ": could not source \"%s\""), + (int64_t)sourcing_lnum, fname); + verbose_leave(); + } + goto theend; + } + + /* + * The file exists. + * - In verbose mode, give a message. + * - For a vimrc file, may want to set 'compatible', call vimrc_found(). + */ + if (p_verbose > 1) { + verbose_enter(); + if (sourcing_name == NULL) + smsg((char_u *)_("sourcing \"%s\""), fname); + else + smsg((char_u *)_("line %" PRId64 ": sourcing \"%s\""), + (int64_t)sourcing_lnum, fname); + verbose_leave(); + } + if (is_vimrc == DOSO_VIMRC) + vimrc_found(fname_exp, (char_u *)"MYVIMRC"); + else if (is_vimrc == DOSO_GVIMRC) + vimrc_found(fname_exp, (char_u *)"MYGVIMRC"); + +#ifdef USE_CRNL + /* If no automatic file format: Set default to CR-NL. */ + if (*p_ffs == NUL) + cookie.fileformat = EOL_DOS; + else + cookie.fileformat = EOL_UNKNOWN; + cookie.error = FALSE; +#endif + +#ifdef USE_CR + /* If no automatic file format: Set default to CR. */ + if (*p_ffs == NUL) + cookie.fileformat = EOL_MAC; + else + cookie.fileformat = EOL_UNKNOWN; + cookie.error = FALSE; +#endif + + cookie.nextline = NULL; + cookie.finished = FALSE; + + /* + * Check if this script has a breakpoint. + */ + cookie.breakpoint = dbg_find_breakpoint(TRUE, fname_exp, (linenr_T)0); + cookie.fname = fname_exp; + cookie.dbg_tick = debug_tick; + + cookie.level = ex_nesting_level; + + /* + * Keep the sourcing name/lnum, for recursive calls. + */ + save_sourcing_name = sourcing_name; + sourcing_name = fname_exp; + save_sourcing_lnum = sourcing_lnum; + sourcing_lnum = 0; + + cookie.conv.vc_type = CONV_NONE; /* no conversion */ + + /* Read the first line so we can check for a UTF-8 BOM. */ + firstline = getsourceline(0, (void *)&cookie, 0); + if (firstline != NULL && STRLEN(firstline) >= 3 && firstline[0] == 0xef + && firstline[1] == 0xbb && firstline[2] == 0xbf) { + /* Found BOM; setup conversion, skip over BOM and recode the line. */ + convert_setup(&cookie.conv, (char_u *)"utf-8", p_enc); + p = string_convert(&cookie.conv, firstline + 3, NULL); + if (p == NULL) + p = vim_strsave(firstline + 3); + if (p != NULL) { + free(firstline); + firstline = p; + } + } + +#ifdef STARTUPTIME + if (time_fd != NULL) + time_push(&tv_rel, &tv_start); +#endif + + if (do_profiling == PROF_YES) + prof_child_enter(&wait_start); /* entering a child now */ + + /* Don't use local function variables, if called from a function. + * Also starts profiling timer for nested script. */ + save_funccalp = save_funccal(); + + /* + * Check if this script was sourced before to finds its SID. + * If it's new, generate a new SID. + */ + save_current_SID = current_SID; + FileInfo file_info; + bool file_info_ok = os_get_file_info((char *)fname_exp, &file_info); + for (current_SID = script_items.ga_len; current_SID > 0; --current_SID) { + si = &SCRIPT_ITEM(current_SID); + // Compare dev/ino when possible, it catches symbolic links. + // Also compare file names, the inode may change when the file was edited. + bool file_id_equal = file_info_ok && si->sn_dev_valid + && si->sn_dev == file_info.stat.st_dev + && si->sn_ino == file_info.stat.st_ino; + if (si->sn_name != NULL + && (file_id_equal || fnamecmp(si->sn_name, fname_exp) == 0)) { + break; + } + } + if (current_SID == 0) { + current_SID = ++last_current_SID; + ga_grow(&script_items, (int)(current_SID - script_items.ga_len)); + while (script_items.ga_len < current_SID) { + ++script_items.ga_len; + SCRIPT_ITEM(script_items.ga_len).sn_name = NULL; + SCRIPT_ITEM(script_items.ga_len).sn_prof_on = FALSE; + } + si = &SCRIPT_ITEM(current_SID); + si->sn_name = fname_exp; + fname_exp = NULL; + if (file_info_ok) { + si->sn_dev_valid = TRUE; + si->sn_dev = file_info.stat.st_dev; + si->sn_ino = file_info.stat.st_ino; + } else { + si->sn_dev_valid = FALSE; + } + + /* Allocate the local script variables to use for this script. */ + new_script_vars(current_SID); + } + + if (do_profiling == PROF_YES) { + int forceit; + + /* Check if we do profiling for this script. */ + if (!si->sn_prof_on && has_profiling(TRUE, si->sn_name, &forceit)) { + script_do_profile(si); + si->sn_pr_force = forceit; + } + if (si->sn_prof_on) { + ++si->sn_pr_count; + profile_start(&si->sn_pr_start); + profile_zero(&si->sn_pr_children); + } + } + + /* + * Call do_cmdline, which will call getsourceline() to get the lines. + */ + do_cmdline(firstline, getsourceline, (void *)&cookie, + DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_REPEAT); + retval = OK; + + if (do_profiling == PROF_YES) { + /* Get "si" again, "script_items" may have been reallocated. */ + si = &SCRIPT_ITEM(current_SID); + if (si->sn_prof_on) { + profile_end(&si->sn_pr_start); + profile_sub_wait(&wait_start, &si->sn_pr_start); + profile_add(&si->sn_pr_total, &si->sn_pr_start); + profile_self(&si->sn_pr_self, &si->sn_pr_start, + &si->sn_pr_children); + } + } + + if (got_int) + EMSG(_(e_interr)); + sourcing_name = save_sourcing_name; + sourcing_lnum = save_sourcing_lnum; + if (p_verbose > 1) { + verbose_enter(); + smsg((char_u *)_("finished sourcing %s"), fname); + if (sourcing_name != NULL) + smsg((char_u *)_("continuing in %s"), sourcing_name); + verbose_leave(); + } +#ifdef STARTUPTIME + if (time_fd != NULL) { + vim_snprintf((char *)IObuff, IOSIZE, "sourcing %s", fname); + time_msg((char *)IObuff, &tv_start); + time_pop(&tv_rel); + } +#endif + + /* + * After a "finish" in debug mode, need to break at first command of next + * sourced file. + */ + if (save_debug_break_level > ex_nesting_level + && debug_break_level == ex_nesting_level) + ++debug_break_level; + + current_SID = save_current_SID; + restore_funccal(save_funccalp); + if (do_profiling == PROF_YES) + prof_child_exit(&wait_start); /* leaving a child now */ + fclose(cookie.fp); + free(cookie.nextline); + free(firstline); + convert_setup(&cookie.conv, NULL, NULL); + +theend: + free(fname_exp); + return retval; +} + + +/* + * ":scriptnames" + */ +void ex_scriptnames(exarg_T *eap) +{ + int i; + + for (i = 1; i <= script_items.ga_len && !got_int; ++i) + if (SCRIPT_ITEM(i).sn_name != NULL) { + home_replace(NULL, SCRIPT_ITEM(i).sn_name, + NameBuff, MAXPATHL, TRUE); + smsg((char_u *)"%3d: %s", i, NameBuff); + } +} + +# if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) +/* + * Fix slashes in the list of script names for 'shellslash'. + */ +void scriptnames_slash_adjust(void) +{ + int i; + + for (i = 1; i <= script_items.ga_len; ++i) + if (SCRIPT_ITEM(i).sn_name != NULL) + slash_adjust(SCRIPT_ITEM(i).sn_name); +} + +# endif + +/* + * Get a pointer to a script name. Used for ":verbose set". + */ +char_u *get_scriptname(scid_T id) +{ + if (id == SID_MODELINE) + return (char_u *)_("modeline"); + if (id == SID_CMDARG) + return (char_u *)_("--cmd argument"); + if (id == SID_CARG) + return (char_u *)_("-c argument"); + if (id == SID_ENV) + return (char_u *)_("environment variable"); + if (id == SID_ERROR) + return (char_u *)_("error handler"); + return SCRIPT_ITEM(id).sn_name; +} + +# if defined(EXITFREE) || defined(PROTO) +void free_scriptnames(void) +{ + int i; + + for (i = script_items.ga_len; i > 0; --i) + free(SCRIPT_ITEM(i).sn_name); + ga_clear(&script_items); +} + +# endif + + +#if defined(USE_CR) || defined(PROTO) +/* + * Version of fgets() which also works for lines ending in a <CR> only + * (Macintosh format). + * For older versions of the Metrowerks library. + * At least CodeWarrior 9 needed this code. + */ +char *fgets_cr(char *s, int n, FILE *stream) +{ + int c = 0; + int char_read = 0; + + while (!feof(stream) && c != '\r' && c != '\n' && char_read < n - 1) { + c = fgetc(stream); + s[char_read++] = c; + /* If the file is in DOS format, we need to skip a NL after a CR. I + * thought it was the other way around, but this appears to work... */ + if (c == '\n') { + c = fgetc(stream); + if (c != '\r') + ungetc(c, stream); + } + } + + s[char_read] = 0; + if (char_read == 0) + return NULL; + + if (feof(stream) && char_read == 1) + return NULL; + + return s; +} +#endif + +/* + * Get one full line from a sourced file. + * Called by do_cmdline() when it's called from do_source(). + * + * Return a pointer to the line in allocated memory. + * Return NULL for end-of-file or some error. + */ +char_u *getsourceline(int c, void *cookie, int indent) +{ + struct source_cookie *sp = (struct source_cookie *)cookie; + char_u *line; + char_u *p; + + /* If breakpoints have been added/deleted need to check for it. */ + if (sp->dbg_tick < debug_tick) { + sp->breakpoint = dbg_find_breakpoint(TRUE, sp->fname, sourcing_lnum); + sp->dbg_tick = debug_tick; + } + if (do_profiling == PROF_YES) + script_line_end(); + /* + * Get current line. If there is a read-ahead line, use it, otherwise get + * one now. + */ + if (sp->finished) + line = NULL; + else if (sp->nextline == NULL) + line = get_one_sourceline(sp); + else { + line = sp->nextline; + sp->nextline = NULL; + ++sourcing_lnum; + } + if (line != NULL && do_profiling == PROF_YES) + script_line_start(); + + /* Only concatenate lines starting with a \ when 'cpoptions' doesn't + * contain the 'C' flag. */ + if (line != NULL && (vim_strchr(p_cpo, CPO_CONCAT) == NULL)) { + /* compensate for the one line read-ahead */ + --sourcing_lnum; + + /* Get the next line and concatenate it when it starts with a + * backslash. We always need to read the next line, keep it in + * sp->nextline. */ + sp->nextline = get_one_sourceline(sp); + if (sp->nextline != NULL && *(p = skipwhite(sp->nextline)) == '\\') { + garray_T ga; + + ga_init(&ga, (int)sizeof(char_u), 400); + ga_concat(&ga, line); + ga_concat(&ga, p + 1); + for (;; ) { + free(sp->nextline); + sp->nextline = get_one_sourceline(sp); + if (sp->nextline == NULL) + break; + p = skipwhite(sp->nextline); + if (*p != '\\') + break; + /* Adjust the growsize to the current length to speed up + * concatenating many lines. */ + if (ga.ga_len > 400) { + if (ga.ga_len > 8000) + ga.ga_growsize = 8000; + else + ga.ga_growsize = ga.ga_len; + } + ga_concat(&ga, p + 1); + } + ga_append(&ga, NUL); + free(line); + line = ga.ga_data; + } + } + + if (line != NULL && sp->conv.vc_type != CONV_NONE) { + char_u *s; + + /* Convert the encoding of the script line. */ + s = string_convert(&sp->conv, line, NULL); + if (s != NULL) { + free(line); + line = s; + } + } + + /* Did we encounter a breakpoint? */ + if (sp->breakpoint != 0 && sp->breakpoint <= sourcing_lnum) { + dbg_breakpoint(sp->fname, sourcing_lnum); + /* Find next breakpoint. */ + sp->breakpoint = dbg_find_breakpoint(TRUE, sp->fname, sourcing_lnum); + sp->dbg_tick = debug_tick; + } + + return line; +} + +static char_u *get_one_sourceline(struct source_cookie *sp) +{ + garray_T ga; + int len; + int c; + char_u *buf; +#ifdef USE_CRNL + int has_cr; /* CR-LF found */ +#endif +#ifdef USE_CR + char_u *scan; +#endif + int have_read = FALSE; + + /* use a growarray to store the sourced line */ + ga_init(&ga, 1, 250); + + /* + * Loop until there is a finished line (or end-of-file). + */ + sourcing_lnum++; + for (;; ) { + /* make room to read at least 120 (more) characters */ + ga_grow(&ga, 120); + buf = (char_u *)ga.ga_data; + +#ifdef USE_CR + if (sp->fileformat == EOL_MAC) { + if (fgets_cr((char *)buf + ga.ga_len, ga.ga_maxlen - ga.ga_len, + sp->fp) == NULL) + break; + } else +#endif + if (fgets((char *)buf + ga.ga_len, ga.ga_maxlen - ga.ga_len, + sp->fp) == NULL) + break; + len = ga.ga_len + (int)STRLEN(buf + ga.ga_len); +#ifdef USE_CRNL + /* Ignore a trailing CTRL-Z, when in Dos mode. Only recognize the + * CTRL-Z by its own, or after a NL. */ + if ( (len == 1 || (len >= 2 && buf[len - 2] == '\n')) + && sp->fileformat == EOL_DOS + && buf[len - 1] == Ctrl_Z) { + buf[len - 1] = NUL; + break; + } +#endif + +#ifdef USE_CR + /* If the read doesn't stop on a new line, and there's + * some CR then we assume a Mac format */ + if (sp->fileformat == EOL_UNKNOWN) { + if (buf[len - 1] != '\n' && vim_strchr(buf, '\r') != NULL) + sp->fileformat = EOL_MAC; + else + sp->fileformat = EOL_UNIX; + } + + if (sp->fileformat == EOL_MAC) { + scan = vim_strchr(buf, '\r'); + + if (scan != NULL) { + *scan = '\n'; + if (*(scan + 1) != 0) { + *(scan + 1) = 0; + fseek(sp->fp, (long)(scan - buf - len + 1), SEEK_CUR); + } + } + len = STRLEN(buf); + } +#endif + + have_read = TRUE; + ga.ga_len = len; + + /* If the line was longer than the buffer, read more. */ + if (ga.ga_maxlen - ga.ga_len == 1 && buf[len - 1] != '\n') + continue; + + if (len >= 1 && buf[len - 1] == '\n') { /* remove trailing NL */ +#ifdef USE_CRNL + has_cr = (len >= 2 && buf[len - 2] == '\r'); + if (sp->fileformat == EOL_UNKNOWN) { + if (has_cr) + sp->fileformat = EOL_DOS; + else + sp->fileformat = EOL_UNIX; + } + + if (sp->fileformat == EOL_DOS) { + if (has_cr) { /* replace trailing CR */ + buf[len - 2] = '\n'; + --len; + --ga.ga_len; + } else { /* lines like ":map xx yy^M" will have failed */ + if (!sp->error) { + msg_source(hl_attr(HLF_W)); + EMSG(_("W15: Warning: Wrong line separator, ^M may be missing")); + } + sp->error = TRUE; + sp->fileformat = EOL_UNIX; + } + } +#endif + /* The '\n' is escaped if there is an odd number of ^V's just + * before it, first set "c" just before the 'V's and then check + * len&c parities (is faster than ((len-c)%2 == 0)) -- Acevedo */ + for (c = len - 2; c >= 0 && buf[c] == Ctrl_V; c--) + ; + if ((len & 1) != (c & 1)) { /* escaped NL, read more */ + sourcing_lnum++; + continue; + } + + buf[len - 1] = NUL; /* remove the NL */ + } + + /* + * Check for ^C here now and then, so recursive :so can be broken. + */ + line_breakcheck(); + break; + } + + if (have_read) + return (char_u *)ga.ga_data; + + free(ga.ga_data); + return NULL; +} + +/* + * Called when starting to read a script line. + * "sourcing_lnum" must be correct! + * When skipping lines it may not actually be executed, but we won't find out + * until later and we need to store the time now. + */ +void script_line_start(void) +{ + scriptitem_T *si; + sn_prl_T *pp; + + if (current_SID <= 0 || current_SID > script_items.ga_len) + return; + si = &SCRIPT_ITEM(current_SID); + if (si->sn_prof_on && sourcing_lnum >= 1) { + /* Grow the array before starting the timer, so that the time spent + * here isn't counted. */ + ga_grow(&si->sn_prl_ga, (int)(sourcing_lnum - si->sn_prl_ga.ga_len)); + si->sn_prl_idx = sourcing_lnum - 1; + while (si->sn_prl_ga.ga_len <= si->sn_prl_idx + && si->sn_prl_ga.ga_len < si->sn_prl_ga.ga_maxlen) { + /* Zero counters for a line that was not used before. */ + pp = &PRL_ITEM(si, si->sn_prl_ga.ga_len); + pp->snp_count = 0; + profile_zero(&pp->sn_prl_total); + profile_zero(&pp->sn_prl_self); + ++si->sn_prl_ga.ga_len; + } + si->sn_prl_execed = FALSE; + profile_start(&si->sn_prl_start); + profile_zero(&si->sn_prl_children); + profile_get_wait(&si->sn_prl_wait); + } +} + +/* + * Called when actually executing a function line. + */ +void script_line_exec(void) +{ + scriptitem_T *si; + + if (current_SID <= 0 || current_SID > script_items.ga_len) + return; + si = &SCRIPT_ITEM(current_SID); + if (si->sn_prof_on && si->sn_prl_idx >= 0) + si->sn_prl_execed = TRUE; +} + +/* + * Called when done with a function line. + */ +void script_line_end(void) +{ + scriptitem_T *si; + sn_prl_T *pp; + + if (current_SID <= 0 || current_SID > script_items.ga_len) + return; + si = &SCRIPT_ITEM(current_SID); + if (si->sn_prof_on && si->sn_prl_idx >= 0 + && si->sn_prl_idx < si->sn_prl_ga.ga_len) { + if (si->sn_prl_execed) { + pp = &PRL_ITEM(si, si->sn_prl_idx); + ++pp->snp_count; + profile_end(&si->sn_prl_start); + profile_sub_wait(&si->sn_prl_wait, &si->sn_prl_start); + profile_add(&pp->sn_prl_total, &si->sn_prl_start); + profile_self(&pp->sn_prl_self, &si->sn_prl_start, + &si->sn_prl_children); + } + si->sn_prl_idx = -1; + } +} + +/* + * ":scriptencoding": Set encoding conversion for a sourced script. + * Without the multi-byte feature it's simply ignored. + */ +void ex_scriptencoding(exarg_T *eap) +{ + struct source_cookie *sp; + char_u *name; + + if (!getline_equal(eap->getline, eap->cookie, getsourceline)) { + EMSG(_("E167: :scriptencoding used outside of a sourced file")); + return; + } + + if (*eap->arg != NUL) { + name = enc_canonize(eap->arg); + if (name == NULL) /* out of memory */ + return; + } else + name = eap->arg; + + /* Setup for conversion from the specified encoding to 'encoding'. */ + sp = (struct source_cookie *)getline_cookie(eap->getline, eap->cookie); + convert_setup(&sp->conv, name, p_enc); + + if (name != eap->arg) + free(name); +} + +/* + * ":finish": Mark a sourced file as finished. + */ +void ex_finish(exarg_T *eap) +{ + if (getline_equal(eap->getline, eap->cookie, getsourceline)) + do_finish(eap, FALSE); + else + EMSG(_("E168: :finish used outside of a sourced file")); +} + +/* + * Mark a sourced file as finished. Possibly makes the ":finish" pending. + * Also called for a pending finish at the ":endtry" or after returning from + * an extra do_cmdline(). "reanimate" is used in the latter case. + */ +void do_finish(exarg_T *eap, int reanimate) +{ + int idx; + + if (reanimate) + ((struct source_cookie *)getline_cookie(eap->getline, + eap->cookie))->finished = FALSE; + + /* + * Cleanup (and inactivate) conditionals, but stop when a try conditional + * not in its finally clause (which then is to be executed next) is found. + * In this case, make the ":finish" pending for execution at the ":endtry". + * Otherwise, finish normally. + */ + idx = cleanup_conditionals(eap->cstack, 0, TRUE); + if (idx >= 0) { + eap->cstack->cs_pending[idx] = CSTP_FINISH; + report_make_pending(CSTP_FINISH, NULL); + } else + ((struct source_cookie *)getline_cookie(eap->getline, + eap->cookie))->finished = TRUE; +} + + +/* + * Return TRUE when a sourced file had the ":finish" command: Don't give error + * message for missing ":endif". + * Return FALSE when not sourcing a file. + */ +int source_finished(fgetline, cookie) +char_u *(*fgetline)(int, void *, int); +void *cookie; +{ + return getline_equal(fgetline, cookie, getsourceline) + && ((struct source_cookie *)getline_cookie( + fgetline, cookie))->finished; +} + +/* + * ":checktime [buffer]" + */ +void ex_checktime(exarg_T *eap) +{ + buf_T *buf; + int save_no_check_timestamps = no_check_timestamps; + + no_check_timestamps = 0; + if (eap->addr_count == 0) /* default is all buffers */ + check_timestamps(FALSE); + else { + buf = buflist_findnr((int)eap->line2); + if (buf != NULL) /* cannot happen? */ + (void)buf_check_timestamp(buf, FALSE); + } + no_check_timestamps = save_no_check_timestamps; +} + +#if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \ + && (defined(FEAT_EVAL) || defined(FEAT_MULTI_LANG)) +# define HAVE_GET_LOCALE_VAL +static char *get_locale_val(int what); + +static char *get_locale_val(int what) +{ + char *loc; + + /* Obtain the locale value from the libraries. For DJGPP this is + * redefined and it doesn't use the arguments. */ + loc = setlocale(what, NULL); + + + return loc; +} +#endif + + + +/* + * Obtain the current messages language. Used to set the default for + * 'helplang'. May return NULL or an empty string. + */ +char_u *get_mess_lang(void) +{ + char_u *p; + +# ifdef HAVE_GET_LOCALE_VAL +# if defined(LC_MESSAGES) + p = (char_u *)get_locale_val(LC_MESSAGES); +# else + /* This is necessary for Win32, where LC_MESSAGES is not defined and $LANG + * may be set to the LCID number. LC_COLLATE is the best guess, LC_TIME + * and LC_MONETARY may be set differently for a Japanese working in the + * US. */ + p = (char_u *)get_locale_val(LC_COLLATE); +# endif +# else + p = os_getenv((char_u *)"LC_ALL"); + if (p == NULL || *p == NUL) { + p = os_getenv((char_u *)"LC_MESSAGES"); + if (p == NULL || *p == NUL) + p = os_getenv((char_u *)"LANG"); + } +# endif + return p; +} + +/* Complicated #if; matches with where get_mess_env() is used below. */ +#ifdef HAVE_WORKING_LIBINTL +static char_u *get_mess_env(void); + +/* + * Get the language used for messages from the environment. + */ +static char_u *get_mess_env(void) +{ + char_u *p; + + p = (char_u *)os_getenv("LC_ALL"); + if (p == NULL || *p == NUL) { + p = (char_u *)os_getenv("LC_MESSAGES"); + if (p == NULL || *p == NUL) { + p = (char_u *)os_getenv("LANG"); + if (p != NULL && VIM_ISDIGIT(*p)) + p = NULL; /* ignore something like "1043" */ +# ifdef HAVE_GET_LOCALE_VAL + if (p == NULL || *p == NUL) + p = (char_u *)get_locale_val(LC_CTYPE); +# endif + } + } + return p; +} + +#endif + + +/* + * Set the "v:lang" variable according to the current locale setting. + * Also do "v:lc_time"and "v:ctype". + */ +void set_lang_var(void) +{ + char_u *loc; + +# ifdef HAVE_GET_LOCALE_VAL + loc = (char_u *)get_locale_val(LC_CTYPE); +# else + /* setlocale() not supported: use the default value */ + loc = (char_u *)"C"; +# endif + set_vim_var_string(VV_CTYPE, loc, -1); + + /* When LC_MESSAGES isn't defined use the value from $LC_MESSAGES, fall + * back to LC_CTYPE if it's empty. */ +# ifdef HAVE_WORKING_LIBINTL + loc = get_mess_env(); +# else + loc = (char_u *)get_locale_val(LC_MESSAGES); +# endif + set_vim_var_string(VV_LANG, loc, -1); + +# ifdef HAVE_GET_LOCALE_VAL + loc = (char_u *)get_locale_val(LC_TIME); +# endif + set_vim_var_string(VV_LC_TIME, loc, -1); +} + +#ifdef HAVE_WORKING_LIBINTL +/* + * ":language": Set the language (locale). + */ +void ex_language(exarg_T *eap) +{ + char *loc; + char_u *p; + char_u *name; + int what = LC_ALL; + char *whatstr = ""; +#ifdef LC_MESSAGES +# define VIM_LC_MESSAGES LC_MESSAGES +#else +# define VIM_LC_MESSAGES 6789 +#endif + + name = eap->arg; + + /* Check for "messages {name}", "ctype {name}" or "time {name}" argument. + * Allow abbreviation, but require at least 3 characters to avoid + * confusion with a two letter language name "me" or "ct". */ + p = skiptowhite(eap->arg); + if ((*p == NUL || vim_iswhite(*p)) && p - eap->arg >= 3) { + if (STRNICMP(eap->arg, "messages", p - eap->arg) == 0) { + what = VIM_LC_MESSAGES; + name = skipwhite(p); + whatstr = "messages "; + } else if (STRNICMP(eap->arg, "ctype", p - eap->arg) == 0) { + what = LC_CTYPE; + name = skipwhite(p); + whatstr = "ctype "; + } else if (STRNICMP(eap->arg, "time", p - eap->arg) == 0) { + what = LC_TIME; + name = skipwhite(p); + whatstr = "time "; + } + } + + if (*name == NUL) { +#ifdef HAVE_WORKING_LIBINTL + if (what == VIM_LC_MESSAGES) + p = get_mess_env(); + else +#endif + p = (char_u *)setlocale(what, NULL); + if (p == NULL || *p == NUL) + p = (char_u *)"Unknown"; + smsg((char_u *)_("Current %slanguage: \"%s\""), whatstr, p); + } else { +#ifndef LC_MESSAGES + if (what == VIM_LC_MESSAGES) + loc = ""; + else +#endif + { + loc = setlocale(what, (char *)name); +#if defined(FEAT_FLOAT) && defined(LC_NUMERIC) + /* Make sure strtod() uses a decimal point, not a comma. */ + setlocale(LC_NUMERIC, "C"); +#endif + } + if (loc == NULL) + EMSG2(_("E197: Cannot set language to \"%s\""), name); + else { +#ifdef HAVE_NL_MSG_CAT_CNTR + /* Need to do this for GNU gettext, otherwise cached translations + * will be used again. */ + extern int _nl_msg_cat_cntr; + + ++_nl_msg_cat_cntr; +#endif + /* Reset $LC_ALL, otherwise it would overrule everything. */ + vim_setenv((char_u *)"LC_ALL", (char_u *)""); + + if (what != LC_TIME) { + /* Tell gettext() what to translate to. It apparently doesn't + * use the currently effective locale. Also do this when + * FEAT_GETTEXT isn't defined, so that shell commands use this + * value. */ + if (what == LC_ALL) { + vim_setenv((char_u *)"LANG", name); + + /* Clear $LANGUAGE because GNU gettext uses it. */ + vim_setenv((char_u *)"LANGUAGE", (char_u *)""); + } + if (what != LC_CTYPE) { + char_u *mname; + mname = name; + vim_setenv((char_u *)"LC_MESSAGES", mname); + set_helplang_default(mname); + } + } + + /* Set v:lang, v:lc_time and v:ctype to the final result. */ + set_lang_var(); + maketitle(); + } + } +} + + +static char_u **locales = NULL; /* Array of all available locales */ +static int did_init_locales = FALSE; + +static void init_locales(void); +static char_u **find_locales(void); + +/* + * Lazy initialization of all available locales. + */ +static void init_locales(void) +{ + if (!did_init_locales) { + did_init_locales = TRUE; + locales = find_locales(); + } +} + +/* Return an array of strings for all available locales + NULL for the + * last element. Return NULL in case of error. */ +static char_u **find_locales(void) +{ + garray_T locales_ga; + char_u *loc; + + /* Find all available locales by running command "locale -a". If this + * doesn't work we won't have completion. */ + char_u *locale_a = get_cmd_output((char_u *)"locale -a", + NULL, kShellOptSilent); + if (locale_a == NULL) + return NULL; + ga_init(&locales_ga, sizeof(char_u *), 20); + + /* Transform locale_a string where each locale is separated by "\n" + * into an array of locale strings. */ + loc = (char_u *)strtok((char *)locale_a, "\n"); + + while (loc != NULL) { + ga_grow(&locales_ga, 1); + loc = vim_strsave(loc); + if (loc == NULL) + break; + + ((char_u **)locales_ga.ga_data)[locales_ga.ga_len++] = loc; + loc = (char_u *)strtok(NULL, "\n"); + } + free(locale_a); + ga_grow(&locales_ga, 1); + ((char_u **)locales_ga.ga_data)[locales_ga.ga_len] = NULL; + return (char_u **)locales_ga.ga_data; +} + +# if defined(EXITFREE) || defined(PROTO) +void free_locales(void) +{ + int i; + if (locales != NULL) { + for (i = 0; locales[i] != NULL; i++) + free(locales[i]); + free(locales); + locales = NULL; + } +} + +# endif + +/* + * Function given to ExpandGeneric() to obtain the possible arguments of the + * ":language" command. + */ +char_u *get_lang_arg(expand_T *xp, int idx) +{ + if (idx == 0) + return (char_u *)"messages"; + if (idx == 1) + return (char_u *)"ctype"; + if (idx == 2) + return (char_u *)"time"; + + init_locales(); + if (locales == NULL) + return NULL; + return locales[idx - 3]; +} + +/* + * Function given to ExpandGeneric() to obtain the available locales. + */ +char_u *get_locales(expand_T *xp, int idx) +{ + init_locales(); + if (locales == NULL) + return NULL; + return locales[idx]; +} + +#endif |