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Vim/src/scriptfile.c

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/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* scriptfile.c: functions for dealing with the runtime directories/files
*/
#include "vim.h"
#if defined(FEAT_EVAL) || defined(PROTO)
// The names of packages that once were loaded are remembered.
static garray_T ga_loaded = {0, 0, sizeof(char_u *), 4, NULL};
#endif
/*
* Initialize the execution stack.
*/
void
estack_init(void)
{
estack_T *entry;
if (ga_grow(&exestack, 10) == FAIL)
mch_exit(0);
entry = ((estack_T *)exestack.ga_data) + exestack.ga_len;
entry->es_type = ETYPE_TOP;
entry->es_name = NULL;
entry->es_lnum = 0;
#ifdef FEAT_EVAL
entry->es_info.ufunc = NULL;
#endif
++exestack.ga_len;
}
/*
* Add an item to the execution stack.
* Returns the new entry or NULL when out of memory.
*/
estack_T *
estack_push(etype_T type, char_u *name, long lnum)
{
estack_T *entry;
// If memory allocation fails then we'll pop more than we push, eventually
// at the top level it will be OK again.
if (ga_grow(&exestack, 1) == OK)
{
entry = ((estack_T *)exestack.ga_data) + exestack.ga_len;
entry->es_type = type;
entry->es_name = name;
entry->es_lnum = lnum;
#ifdef FEAT_EVAL
entry->es_info.ufunc = NULL;
#endif
++exestack.ga_len;
return entry;
}
return NULL;
}
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* Add a user function to the execution stack.
*/
void
estack_push_ufunc(etype_T type, ufunc_T *ufunc, long lnum)
{
estack_T *entry = estack_push(type,
ufunc->uf_name_exp != NULL
? ufunc->uf_name_exp : ufunc->uf_name, lnum);
if (entry != NULL)
entry->es_info.ufunc = ufunc;
}
#endif
/*
* Take an item off of the execution stack.
*/
void
estack_pop(void)
{
if (exestack.ga_len > 1)
--exestack.ga_len;
}
/*
* Get the current value for <sfile> in allocated memory.
*/
char_u *
estack_sfile(void)
{
estack_T *entry;
#ifdef FEAT_EVAL
size_t len;
int idx;
char *res;
size_t done;
#endif
entry = ((estack_T *)exestack.ga_data) + exestack.ga_len - 1;
if (entry->es_name == NULL)
return NULL;
#ifdef FEAT_EVAL
if (entry->es_info.ufunc == NULL)
#endif
return vim_strsave(entry->es_name);
#ifdef FEAT_EVAL
// For a function we compose the call stack, as it was done in the past:
// "function One[123]..Two[456]..Three"
len = STRLEN(entry->es_name) + 10;
for (idx = exestack.ga_len - 2; idx >= 0; --idx)
{
entry = ((estack_T *)exestack.ga_data) + idx;
if (entry->es_name == NULL || entry->es_info.ufunc == NULL)
{
++idx;
break;
}
len += STRLEN(entry->es_name) + 15;
}
res = (char *)alloc((int)len);
if (res != NULL)
{
STRCPY(res, "function ");
while (idx < exestack.ga_len - 1)
{
done = STRLEN(res);
entry = ((estack_T *)exestack.ga_data) + idx;
vim_snprintf(res + done, len - done, "%s[%ld]..",
entry->es_name, entry->es_lnum);
++idx;
}
done = STRLEN(res);
entry = ((estack_T *)exestack.ga_data) + idx;
vim_snprintf(res + done, len - done, "%s", entry->es_name);
}
return (char_u *)res;
#endif
}
/*
* ":runtime [what] {name}"
*/
void
ex_runtime(exarg_T *eap)
{
char_u *arg = eap->arg;
char_u *p = skiptowhite(arg);
int len = (int)(p - arg);
int flags = eap->forceit ? DIP_ALL : 0;
if (STRNCMP(arg, "START", len) == 0)
{
flags += DIP_START + DIP_NORTP;
arg = skipwhite(arg + len);
}
else if (STRNCMP(arg, "OPT", len) == 0)
{
flags += DIP_OPT + DIP_NORTP;
arg = skipwhite(arg + len);
}
else if (STRNCMP(arg, "PACK", len) == 0)
{
flags += DIP_START + DIP_OPT + DIP_NORTP;
arg = skipwhite(arg + len);
}
else if (STRNCMP(arg, "ALL", len) == 0)
{
flags += DIP_START + DIP_OPT;
arg = skipwhite(arg + len);
}
source_runtime(arg, flags);
}
static void
source_callback(char_u *fname, void *cookie)
{
(void)do_source(fname, FALSE, DOSO_NONE, cookie);
}
/*
* Find the file "name" in all directories in "path" and invoke
* "callback(fname, cookie)".
* "name" can contain wildcards.
* When "flags" has DIP_ALL: source all files, otherwise only the first one.
* When "flags" has DIP_DIR: find directories instead of files.
* When "flags" has DIP_ERR: give an error message if there is no match.
*
* return FAIL when no file could be sourced, OK otherwise.
*/
int
do_in_path(
char_u *path,
char_u *name,
int flags,
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;
#ifdef AMIGA
struct Process *proc = (struct Process *)FindTask(0L);
APTR save_winptr = proc->pr_WindowPtr;
// Avoid a requester here for a volume that doesn't exist.
proc->pr_WindowPtr = (APTR)-1L;
#endif
// Make a copy of 'runtimepath'. Invoking the callback may change the
// value.
rtp_copy = vim_strsave(path);
buf = alloc(MAXPATHL);
if (buf != NULL && rtp_copy != NULL)
{
if (p_verbose > 1 && name != NULL)
{
verbose_enter();
smsg(_("Searching for \"%s\" in \"%s\""),
(char *)name, (char *)path);
verbose_leave();
}
// Loop over all entries in 'runtimepath'.
rtp = rtp_copy;
while (*rtp != NUL && ((flags & DIP_ALL) || !did_one))
{
size_t buflen;
// Copy the path from 'runtimepath' to buf[].
copy_option_part(&rtp, buf, MAXPATHL, ",");
buflen = STRLEN(buf);
// Skip after or non-after directories.
if (flags & (DIP_NOAFTER | DIP_AFTER))
{
int is_after = buflen >= 5
&& STRCMP(buf + buflen - 5, "after") == 0;
if ((is_after && (flags & DIP_NOAFTER))
|| (!is_after && (flags & DIP_AFTER)))
continue;
}
if (name == NULL)
{
(*callback)(buf, (void *) &cookie);
if (!did_one)
did_one = (cookie == NULL);
}
else if (buflen + STRLEN(name) + 2 < MAXPATHL)
{
add_pathsep(buf);
tail = buf + STRLEN(buf);
// Loop over all patterns in "name"
np = name;
while (*np != NUL && ((flags & DIP_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(_("Searching for \"%s\""), buf);
verbose_leave();
}
// Expand wildcards, invoke the callback for each match.
if (gen_expand_wildcards(1, &buf, &num_files, &files,
(flags & DIP_DIR) ? EW_DIR : EW_FILE) == OK)
{
for (i = 0; i < num_files; ++i)
{
(*callback)(files[i], cookie);
did_one = TRUE;
if (!(flags & DIP_ALL))
break;
}
FreeWild(num_files, files);
}
}
}
}
}
vim_free(buf);
vim_free(rtp_copy);
if (!did_one && name != NULL)
{
char *basepath = path == p_rtp ? "runtimepath" : "packpath";
if (flags & DIP_ERR)
semsg(_(e_dirnotf), basepath, name);
else if (p_verbose > 0)
{
verbose_enter();
smsg(_("not found in '%s': \"%s\""), basepath, name);
verbose_leave();
}
}
#ifdef AMIGA
proc->pr_WindowPtr = save_winptr;
#endif
return did_one ? OK : FAIL;
}
/*
* Find "name" in "path". When found, invoke the callback function for
* it: callback(fname, "cookie")
* When "flags" has DIP_ALL 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 "path". Cookie is
* passed by reference in this case, setting it to NULL indicates that callback
* has done its job.
*/
static int
do_in_path_and_pp(
char_u *path,
char_u *name,
int flags,
void (*callback)(char_u *fname, void *ck),
void *cookie)
{
int done = FAIL;
char_u *s;
int len;
char *start_dir = "pack/*/start/*/%s";
char *opt_dir = "pack/*/opt/*/%s";
if ((flags & DIP_NORTP) == 0)
done = do_in_path(path, name, flags, callback, cookie);
if ((done == FAIL || (flags & DIP_ALL)) && (flags & DIP_START))
{
len = (int)(STRLEN(start_dir) + STRLEN(name));
s = alloc(len);
if (s == NULL)
return FAIL;
vim_snprintf((char *)s, len, start_dir, name);
done = do_in_path(p_pp, s, flags, callback, cookie);
vim_free(s);
}
if ((done == FAIL || (flags & DIP_ALL)) && (flags & DIP_OPT))
{
len = (int)(STRLEN(opt_dir) + STRLEN(name));
s = alloc(len);
if (s == NULL)
return FAIL;
vim_snprintf((char *)s, len, opt_dir, name);
done = do_in_path(p_pp, s, flags, callback, cookie);
vim_free(s);
}
return done;
}
/*
* Just like do_in_path_and_pp(), using 'runtimepath' for "path".
*/
int
do_in_runtimepath(
char_u *name,
int flags,
void (*callback)(char_u *fname, void *ck),
void *cookie)
{
return do_in_path_and_pp(p_rtp, name, flags, callback, cookie);
}
/*
* Source the file "name" from all directories in 'runtimepath'.
* "name" can contain wildcards.
* When "flags" has DIP_ALL: 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 flags)
{
return source_in_path(p_rtp, name, flags, NULL);
}
/*
* Just like source_runtime(), but use "path" instead of 'runtimepath'.
*/
int
source_in_path(char_u *path, char_u *name, int flags, int *ret_sid)
{
return do_in_path_and_pp(path, name, flags, source_callback, ret_sid);
}
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* Expand wildcards in "pat" and invoke do_source() for each match.
*/
static void
source_all_matches(char_u *pat)
{
int num_files;
char_u **files;
int i;
if (gen_expand_wildcards(1, &pat, &num_files, &files, EW_FILE) == OK)
{
for (i = 0; i < num_files; ++i)
(void)do_source(files[i], FALSE, DOSO_NONE, NULL);
FreeWild(num_files, files);
}
}
/*
* Add the package directory to 'runtimepath'.
*/
static int
add_pack_dir_to_rtp(char_u *fname)
{
char_u *p4, *p3, *p2, *p1, *p;
char_u *entry;
char_u *insp = NULL;
int c;
char_u *new_rtp;
int keep;
size_t oldlen;
size_t addlen;
size_t new_rtp_len;
char_u *afterdir = NULL;
size_t afterlen = 0;
char_u *after_insp = NULL;
char_u *ffname = NULL;
size_t fname_len;
char_u *buf = NULL;
char_u *rtp_ffname;
int match;
int retval = FAIL;
p4 = p3 = p2 = p1 = get_past_head(fname);
for (p = p1; *p; MB_PTR_ADV(p))
if (vim_ispathsep_nocolon(*p))
{
p4 = p3; p3 = p2; p2 = p1; p1 = p;
}
// now we have:
// rtp/pack/name/start/name
// p4 p3 p2 p1
//
// find the part up to "pack" in 'runtimepath'
c = *++p4; // append pathsep in order to expand symlink
*p4 = NUL;
ffname = fix_fname(fname);
*p4 = c;
if (ffname == NULL)
return FAIL;
// Find "ffname" in "p_rtp", ignoring '/' vs '\' differences.
// Also stop at the first "after" directory.
fname_len = STRLEN(ffname);
buf = alloc(MAXPATHL);
if (buf == NULL)
goto theend;
for (entry = p_rtp; *entry != NUL; )
{
char_u *cur_entry = entry;
copy_option_part(&entry, buf, MAXPATHL, ",");
if (insp == NULL)
{
add_pathsep(buf);
rtp_ffname = fix_fname(buf);
if (rtp_ffname == NULL)
goto theend;
match = vim_fnamencmp(rtp_ffname, ffname, fname_len) == 0;
vim_free(rtp_ffname);
if (match)
// Insert "ffname" after this entry (and comma).
insp = entry;
}
if ((p = (char_u *)strstr((char *)buf, "after")) != NULL
&& p > buf
&& vim_ispathsep(p[-1])
&& (vim_ispathsep(p[5]) || p[5] == NUL || p[5] == ','))
{
if (insp == NULL)
// Did not find "ffname" before the first "after" directory,
// insert it before this entry.
insp = cur_entry;
after_insp = cur_entry;
break;
}
}
if (insp == NULL)
// Both "fname" and "after" not found, append at the end.
insp = p_rtp + STRLEN(p_rtp);
// check if rtp/pack/name/start/name/after exists
afterdir = concat_fnames(fname, (char_u *)"after", TRUE);
if (afterdir != NULL && mch_isdir(afterdir))
afterlen = STRLEN(afterdir) + 1; // add one for comma
oldlen = STRLEN(p_rtp);
addlen = STRLEN(fname) + 1; // add one for comma
new_rtp = alloc(oldlen + addlen + afterlen + 1); // add one for NUL
if (new_rtp == NULL)
goto theend;
// We now have 'rtp' parts: {keep}{keep_after}{rest}.
// Create new_rtp, first: {keep},{fname}
keep = (int)(insp - p_rtp);
mch_memmove(new_rtp, p_rtp, keep);
new_rtp_len = keep;
if (*insp == NUL)
new_rtp[new_rtp_len++] = ','; // add comma before
mch_memmove(new_rtp + new_rtp_len, fname, addlen - 1);
new_rtp_len += addlen - 1;
if (*insp != NUL)
new_rtp[new_rtp_len++] = ','; // add comma after
if (afterlen > 0 && after_insp != NULL)
{
int keep_after = (int)(after_insp - p_rtp);
// Add to new_rtp: {keep},{fname}{keep_after},{afterdir}
mch_memmove(new_rtp + new_rtp_len, p_rtp + keep,
keep_after - keep);
new_rtp_len += keep_after - keep;
mch_memmove(new_rtp + new_rtp_len, afterdir, afterlen - 1);
new_rtp_len += afterlen - 1;
new_rtp[new_rtp_len++] = ',';
keep = keep_after;
}
if (p_rtp[keep] != NUL)
// Append rest: {keep},{fname}{keep_after},{afterdir}{rest}
mch_memmove(new_rtp + new_rtp_len, p_rtp + keep, oldlen - keep + 1);
else
new_rtp[new_rtp_len] = NUL;
if (afterlen > 0 && after_insp == NULL)
{
// Append afterdir when "after" was not found:
// {keep},{fname}{rest},{afterdir}
STRCAT(new_rtp, ",");
STRCAT(new_rtp, afterdir);
}
set_option_value((char_u *)"rtp", 0L, new_rtp, 0);
vim_free(new_rtp);
retval = OK;
theend:
vim_free(buf);
vim_free(ffname);
vim_free(afterdir);
return retval;
}
/*
* Load scripts in "plugin" and "ftdetect" directories of the package.
*/
static int
load_pack_plugin(char_u *fname)
{
static char *plugpat = "%s/plugin/**/*.vim";
static char *ftpat = "%s/ftdetect/*.vim";
int len;
char_u *ffname = fix_fname(fname);
char_u *pat = NULL;
int retval = FAIL;
if (ffname == NULL)
return FAIL;
len = (int)STRLEN(ffname) + (int)STRLEN(ftpat);
pat = alloc(len);
if (pat == NULL)
goto theend;
vim_snprintf((char *)pat, len, plugpat, ffname);
source_all_matches(pat);
{
char_u *cmd = vim_strsave((char_u *)"g:did_load_filetypes");
// If runtime/filetype.vim wasn't loaded yet, the scripts will be
// found when it loads.
if (cmd != NULL && eval_to_number(cmd) > 0)
{
do_cmdline_cmd((char_u *)"augroup filetypedetect");
vim_snprintf((char *)pat, len, ftpat, ffname);
source_all_matches(pat);
do_cmdline_cmd((char_u *)"augroup END");
}
vim_free(cmd);
}
vim_free(pat);
retval = OK;
theend:
vim_free(ffname);
return retval;
}
// used for "cookie" of add_pack_plugin()
static int APP_ADD_DIR;
static int APP_LOAD;
static int APP_BOTH;
static void
add_pack_plugin(char_u *fname, void *cookie)
{
if (cookie != &APP_LOAD)
{
char_u *buf = alloc(MAXPATHL);
char_u *p;
int found = FALSE;
if (buf == NULL)
return;
p = p_rtp;
while (*p != NUL)
{
copy_option_part(&p, buf, MAXPATHL, ",");
if (pathcmp((char *)buf, (char *)fname, -1) == 0)
{
found = TRUE;
break;
}
}
vim_free(buf);
if (!found)
// directory is not yet in 'runtimepath', add it
if (add_pack_dir_to_rtp(fname) == FAIL)
return;
}
if (cookie != &APP_ADD_DIR)
load_pack_plugin(fname);
}
/*
* Add all packages in the "start" directory to 'runtimepath'.
*/
void
add_pack_start_dirs(void)
{
do_in_path(p_pp, (char_u *)"pack/*/start/*", DIP_ALL + DIP_DIR,
add_pack_plugin, &APP_ADD_DIR);
}
/*
* Load plugins from all packages in the "start" directory.
*/
void
load_start_packages(void)
{
did_source_packages = TRUE;
do_in_path(p_pp, (char_u *)"pack/*/start/*", DIP_ALL + DIP_DIR,
add_pack_plugin, &APP_LOAD);
}
/*
* ":packloadall"
* Find plugins in the package directories and source them.
*/
void
ex_packloadall(exarg_T *eap)
{
if (!did_source_packages || eap->forceit)
{
// First do a round to add all directories to 'runtimepath', then load
// the plugins. This allows for plugins to use an autoload directory
// of another plugin.
add_pack_start_dirs();
load_start_packages();
}
}
/*
* ":packadd[!] {name}"
*/
void
ex_packadd(exarg_T *eap)
{
static char *plugpat = "pack/*/%s/%s";
int len;
char *pat;
int round;
int res = OK;
// Round 1: use "start", round 2: use "opt".
for (round = 1; round <= 2; ++round)
{
// Only look under "start" when loading packages wasn't done yet.
if (round == 1 && did_source_packages)
continue;
len = (int)STRLEN(plugpat) + (int)STRLEN(eap->arg) + 5;
pat = alloc(len);
if (pat == NULL)
return;
vim_snprintf(pat, len, plugpat, round == 1 ? "start" : "opt", eap->arg);
// The first round don't give a "not found" error, in the second round
// only when nothing was found in the first round.
res = do_in_path(p_pp, (char_u *)pat,
DIP_ALL + DIP_DIR + (round == 2 && res == FAIL ? DIP_ERR : 0),
add_pack_plugin, eap->forceit ? &APP_ADD_DIR : &APP_BOTH);
vim_free(pat);
}
}
#endif
/*
* Sort "gap" and remove duplicate entries. "gap" is expected to contain a
* list of file names in allocated memory.
*/
void
remove_duplicates(garray_T *gap)
{
int i;
int j;
char_u **fnames = (char_u **)gap->ga_data;
sort_strings(fnames, gap->ga_len);
for (i = gap->ga_len - 1; i > 0; --i)
if (fnamecmp(fnames[i - 1], fnames[i]) == 0)
{
vim_free(fnames[i]);
for (j = i + 1; j < gap->ga_len; ++j)
fnames[j - 1] = fnames[j];
--gap->ga_len;
}
}
/*
* Expand color scheme, compiler or filetype names.
* Search from 'runtimepath':
* 'runtimepath'/{dirnames}/{pat}.vim
* When "flags" has DIP_START: search also from 'start' of 'packpath':
* 'packpath'/pack/ * /start/ * /{dirnames}/{pat}.vim
* When "flags" has DIP_OPT: search also from 'opt' of 'packpath':
* 'packpath'/pack/ * /opt/ * /{dirnames}/{pat}.vim
* "dirnames" is an array with one or more directory names.
*/
int
ExpandRTDir(
char_u *pat,
int flags,
int *num_file,
char_u ***file,
char *dirnames[])
{
char_u *s;
char_u *e;
char_u *match;
garray_T ga;
int i;
int pat_len;
*num_file = 0;
*file = NULL;
pat_len = (int)STRLEN(pat);
ga_init2(&ga, (int)sizeof(char *), 10);
for (i = 0; dirnames[i] != NULL; ++i)
{
s = alloc(STRLEN(dirnames[i]) + pat_len + 7);
if (s == NULL)
{
ga_clear_strings(&ga);
return FAIL;
}
sprintf((char *)s, "%s/%s*.vim", dirnames[i], pat);
globpath(p_rtp, s, &ga, 0);
vim_free(s);
}
if (flags & DIP_START) {
for (i = 0; dirnames[i] != NULL; ++i)
{
s = alloc(STRLEN(dirnames[i]) + pat_len + 22);
if (s == NULL)
{
ga_clear_strings(&ga);
return FAIL;
}
sprintf((char *)s, "pack/*/start/*/%s/%s*.vim", dirnames[i], pat);
globpath(p_pp, s, &ga, 0);
vim_free(s);
}
}
if (flags & DIP_OPT) {
for (i = 0; dirnames[i] != NULL; ++i)
{
s = alloc(STRLEN(dirnames[i]) + pat_len + 20);
if (s == NULL)
{
ga_clear_strings(&ga);
return FAIL;
}
sprintf((char *)s, "pack/*/opt/*/%s/%s*.vim", dirnames[i], pat);
globpath(p_pp, s, &ga, 0);
vim_free(s);
}
}
for (i = 0; i < ga.ga_len; ++i)
{
match = ((char_u **)ga.ga_data)[i];
s = match;
e = s + STRLEN(s);
if (e - 4 > s && STRNICMP(e - 4, ".vim", 4) == 0)
{
e -= 4;
for (s = e; s > match; MB_PTR_BACK(match, s))
if (s < match || vim_ispathsep(*s))
break;
++s;
*e = NUL;
mch_memmove(match, s, e - s + 1);
}
}
if (ga.ga_len == 0)
return FAIL;
// Sort and remove duplicates which can happen when specifying multiple
// directories in dirnames.
remove_duplicates(&ga);
*file = ga.ga_data;
*num_file = ga.ga_len;
return OK;
}
/*
* Expand loadplugin names:
* 'packpath'/pack/ * /opt/{pat}
*/
int
ExpandPackAddDir(
char_u *pat,
int *num_file,
char_u ***file)
{
char_u *s;
char_u *e;
char_u *match;
garray_T ga;
int i;
int pat_len;
*num_file = 0;
*file = NULL;
pat_len = (int)STRLEN(pat);
ga_init2(&ga, (int)sizeof(char *), 10);
s = alloc(pat_len + 26);
if (s == NULL)
{
ga_clear_strings(&ga);
return FAIL;
}
sprintf((char *)s, "pack/*/opt/%s*", pat);
globpath(p_pp, s, &ga, 0);
vim_free(s);
for (i = 0; i < ga.ga_len; ++i)
{
match = ((char_u **)ga.ga_data)[i];
s = gettail(match);
e = s + STRLEN(s);
mch_memmove(match, s, e - s + 1);
}
if (ga.ga_len == 0)
return FAIL;
// Sort and remove duplicates which can happen when specifying multiple
// directories in dirnames.
remove_duplicates(&ga);
*file = ga.ga_data;
*num_file = ga.ga_len;
return OK;
}
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
#ifdef FEAT_EVAL
|| eap->cstack->cs_idx >= 0
#endif
);
// ":source" read ex commands
else if (do_source(fname, FALSE, DOSO_NONE, NULL) == FAIL)
semsg(_(e_notopen), fname);
}
/*
* ":source {fname}"
*/
void
ex_source(exarg_T *eap)
{
#ifdef FEAT_BROWSE
if (cmdmod.browse)
{
char_u *fname = NULL;
fname = do_browse(0, (char_u *)_("Source Vim script"), eap->arg,
NULL, NULL,
(char_u *)_(BROWSE_FILTER_MACROS), NULL);
if (fname != NULL)
{
cmd_source(fname, eap);
vim_free(fname);
}
}
else
#endif
cmd_source(eap->arg, eap);
}
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* ":options"
*/
void
ex_options(
exarg_T *eap UNUSED)
{
vim_setenv((char_u *)"OPTWIN_CMD",
(char_u *)(cmdmod.tab ? "tab"
: (cmdmod.split & WSP_VERT) ? "vert" : ""));
cmd_source((char_u *)SYS_OPTWIN_FILE, NULL);
}
#endif
/*
* ":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
linenr_T sourcing_lnum; // line number of the source file
int finished; // ":finish" used
#ifdef USE_CRNL
int fileformat; // EOL_UNKNOWN, EOL_UNIX or EOL_DOS
int error; // TRUE if LF found after CR-LF
#endif
#ifdef FEAT_EVAL
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
#endif
vimconv_T conv; // type of conversion
};
#ifdef FEAT_EVAL
/*
* 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;
}
#endif
#if (defined(MSWIN) && defined(FEAT_CSCOPE)) || defined(HAVE_FD_CLOEXEC)
# define USE_FOPEN_NOINH
/*
* Special function to open a file without handle inheritance.
* When possible the handle is closed on exec().
*/
static FILE *
fopen_noinh_readbin(char *filename)
{
# ifdef MSWIN
int fd_tmp = mch_open(filename, O_RDONLY | O_BINARY | O_NOINHERIT, 0);
# else
int fd_tmp = mch_open(filename, O_RDONLY, 0);
# endif
if (fd_tmp == -1)
return NULL;
# ifdef HAVE_FD_CLOEXEC
{
int fdflags = fcntl(fd_tmp, F_GETFD);
if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0)
(void)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.
* When "ret_sid" is not NULL and we loaded the script before, don't load it
* again.
*
* This function may be called recursively!
*
* Return FAIL if file could not be opened, OK otherwise.
* If a scriptitem_T was found or created "*ret_sid" is set to the SID.
*/
int
do_source(
char_u *fname,
int check_other, // check for .vimrc and _vimrc
int is_vimrc, // DOSO_ value
int *ret_sid UNUSED)
{
struct source_cookie cookie;
char_u *p;
char_u *fname_exp;
char_u *firstline = NULL;
int retval = FAIL;
#ifdef FEAT_EVAL
sctx_T save_current_sctx;
static scid_T last_current_SID = 0;
static int last_current_SID_seq = 0;
funccal_entry_T funccalp_entry;
int save_debug_break_level = debug_break_level;
int sid;
scriptitem_T *si = NULL;
# ifdef UNIX
stat_T st;
int stat_ok;
# endif
#endif
#ifdef STARTUPTIME
struct timeval tv_rel;
struct timeval tv_start;
#endif
#ifdef FEAT_PROFILE
proftime_T wait_start;
#endif
int trigger_source_post = FALSE;
ESTACK_CHECK_DECLARATION
p = expand_env_save(fname);
if (p == NULL)
return retval;
fname_exp = fix_fname(p);
vim_free(p);
if (fname_exp == NULL)
return retval;
if (mch_isdir(fname_exp))
{
smsg(_("Cannot source a directory: \"%s\""), fname);
goto theend;
}
#ifdef FEAT_EVAL
// See if we loaded this script before.
# ifdef UNIX
stat_ok = (mch_stat((char *)fname_exp, &st) >= 0);
# endif
for (sid = script_items.ga_len; sid > 0; --sid)
{
si = &SCRIPT_ITEM(sid);
if (si->sn_name != NULL)
{
# ifdef UNIX
// Compare dev/ino when possible, it catches symbolic links. Also
// compare file names, the inode may change when the file was
// edited or it may be re-used for another script (esp. in tests).
if ((stat_ok && si->sn_dev_valid)
&& (si->sn_dev != st.st_dev || si->sn_ino != st.st_ino))
continue;
# endif
if (fnamecmp(si->sn_name, fname_exp) == 0)
// Found it!
break;
}
}
if (sid > 0 && ret_sid != NULL)
{
// Already loaded and no need to load again, return here.
*ret_sid = sid;
return OK;
}
#endif
// 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))
{
#ifdef FEAT_EVAL
retval = aborting() ? FAIL : OK;
#else
retval = OK;
#endif
if (retval == OK)
// Apply SourcePost autocommands.
apply_autocmds(EVENT_SOURCEPOST, fname_exp, fname_exp,
FALSE, curbuf);
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 = gettail(fname_exp);
if ((*p == '.' || *p == '_')
&& (STRICMP(p + 1, "vimrc") == 0
|| STRICMP(p + 1, "gvimrc") == 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(_("could not source \"%s\""), fname);
else
smsg(_("line %ld: could not source \"%s\""),
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(_("sourcing \"%s\""), fname);
else
smsg(_("line %ld: sourcing \"%s\""), 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
cookie.nextline = NULL;
cookie.sourcing_lnum = 0;
cookie.finished = FALSE;
#ifdef FEAT_EVAL
// 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;
#endif
// Keep the sourcing name/lnum, for recursive calls.
estack_push(ETYPE_SCRIPT, fname_exp, 0);
ESTACK_CHECK_SETUP
#ifdef STARTUPTIME
if (time_fd != NULL)
time_push(&tv_rel, &tv_start);
#endif
#ifdef FEAT_EVAL
# ifdef FEAT_PROFILE
if (do_profiling == PROF_YES)
prof_child_enter(&wait_start); // entering a child now
# endif
// Don't use local function variables, if called from a function.
// Also starts profiling timer for nested script.
save_funccal(&funccalp_entry);
save_current_sctx = current_sctx;
current_sctx.sc_lnum = 0;
current_sctx.sc_version = 1; // default script version
// Check if this script was sourced before to finds its SID.
// Always use a new sequence number.
current_sctx.sc_seq = ++last_current_SID_seq;
if (sid > 0)
{
hashtab_T *ht;
hashitem_T *hi;
dictitem_T *di;
int todo;
// loading the same script again
si->sn_had_command = FALSE;
current_sctx.sc_sid = sid;
ht = &SCRIPT_VARS(sid);
todo = (int)ht->ht_used;
for (hi = ht->ht_array; todo > 0; ++hi)
if (!HASHITEM_EMPTY(hi))
{
--todo;
di = HI2DI(hi);
di->di_flags |= DI_FLAGS_RELOAD;
}
}
else
{
// It's new, generate a new SID.
current_sctx.sc_sid = ++last_current_SID;
if (ga_grow(&script_items,
(int)(current_sctx.sc_sid - script_items.ga_len)) == FAIL)
goto almosttheend;
while (script_items.ga_len < current_sctx.sc_sid)
{
++script_items.ga_len;
si = &SCRIPT_ITEM(script_items.ga_len);
si->sn_name = NULL;
si->sn_version = 1;
// Allocate the local script variables to use for this script.
new_script_vars(script_items.ga_len);
ga_init2(&si->sn_var_vals, sizeof(typval_T), 10);
ga_init2(&si->sn_imports, sizeof(imported_T), 10);
ga_init2(&si->sn_type_list, sizeof(type_T), 10);
# ifdef FEAT_PROFILE
si->sn_prof_on = FALSE;
# endif
}
si = &SCRIPT_ITEM(current_sctx.sc_sid);
si->sn_name = fname_exp;
fname_exp = vim_strsave(si->sn_name); // used for autocmd
# ifdef UNIX
if (stat_ok)
{
si->sn_dev_valid = TRUE;
si->sn_dev = st.st_dev;
si->sn_ino = st.st_ino;
}
else
si->sn_dev_valid = FALSE;
# endif
if (ret_sid != NULL)
*ret_sid = current_sctx.sc_sid;
}
# ifdef FEAT_PROFILE
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);
}
}
# endif
#endif
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, TRUE);
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)
{
vim_free(firstline);
firstline = p;
}
}
// 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;
#ifdef FEAT_PROFILE
if (do_profiling == PROF_YES)
{
// Get "si" again, "script_items" may have been reallocated.
si = &SCRIPT_ITEM(current_sctx.sc_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);
}
}
#endif
if (got_int)
emsg(_(e_interr));
ESTACK_CHECK_NOW
estack_pop();
if (p_verbose > 1)
{
verbose_enter();
smsg(_("finished sourcing %s"), fname);
if (SOURCING_NAME != NULL)
smsg(_("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
if (!got_int)
trigger_source_post = TRUE;
#ifdef FEAT_EVAL
// 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;
#endif
#ifdef FEAT_EVAL
almosttheend:
// Get "si" again, "script_items" may have been reallocated.
si = &SCRIPT_ITEM(current_sctx.sc_sid);
if (si->sn_save_cpo != NULL)
{
free_string_option(p_cpo);
p_cpo = si->sn_save_cpo;
si->sn_save_cpo = NULL;
}
current_sctx = save_current_sctx;
restore_funccal();
# ifdef FEAT_PROFILE
if (do_profiling == PROF_YES)
prof_child_exit(&wait_start); // leaving a child now
# endif
#endif
fclose(cookie.fp);
vim_free(cookie.nextline);
vim_free(firstline);
convert_setup(&cookie.conv, NULL, NULL);
if (trigger_source_post)
apply_autocmds(EVENT_SOURCEPOST, fname_exp, fname_exp, FALSE, curbuf);
theend:
vim_free(fname_exp);
return retval;
}
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* ":scriptnames"
*/
void
ex_scriptnames(exarg_T *eap)
{
int i;
if (eap->addr_count > 0)
{
// :script {scriptId}: edit the script
if (eap->line2 < 1 || eap->line2 > script_items.ga_len)
emsg(_(e_invarg));
else
{
eap->arg = SCRIPT_ITEM(eap->line2).sn_name;
do_exedit(eap, NULL);
}
return;
}
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("%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)
{
// the variables themselves are cleared in evalvars_clear()
vim_free(SCRIPT_ITEM(i).sn_vars);
vim_free(SCRIPT_ITEM(i).sn_name);
free_string_option(SCRIPT_ITEM(i).sn_save_cpo);
# ifdef FEAT_PROFILE
ga_clear(&SCRIPT_ITEM(i).sn_prl_ga);
# endif
}
ga_clear(&script_items);
}
void
free_autoload_scriptnames(void)
{
ga_clear_strings(&ga_loaded);
}
# endif
#endif
linenr_T
get_sourced_lnum(char_u *(*fgetline)(int, void *, int, int), void *cookie)
{
return fgetline == getsourceline
? ((struct source_cookie *)cookie)->sourcing_lnum
: SOURCING_LNUM;
}
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
int have_read = FALSE;
// use a growarray to store the sourced line
ga_init2(&ga, 1, 250);
// Loop until there is a finished line (or end-of-file).
++sp->sourcing_lnum;
for (;;)
{
// make room to read at least 120 (more) characters
if (ga_grow(&ga, 120) == FAIL)
break;
buf = (char_u *)ga.ga_data;
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
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
{
++sp->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;
vim_free(ga.ga_data);
return NULL;
}
/*
* 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 UNUSED, void *cookie, int indent UNUSED, int do_concat)
{
struct source_cookie *sp = (struct source_cookie *)cookie;
char_u *line;
char_u *p;
#ifdef FEAT_EVAL
// 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;
}
# ifdef FEAT_PROFILE
if (do_profiling == PROF_YES)
script_line_end();
# endif
#endif
// Set the current sourcing line number.
SOURCING_LNUM = sp->sourcing_lnum + 1;
// 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;
++sp->sourcing_lnum;
}
#ifdef FEAT_PROFILE
if (line != NULL && do_profiling == PROF_YES)
script_line_start();
#endif
// Only concatenate lines starting with a \ when 'cpoptions' doesn't
// contain the 'C' flag.
if (line != NULL && do_concat && vim_strchr(p_cpo, CPO_CONCAT) == NULL)
{
// compensate for the one line read-ahead
--sp->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.
/* Also check for a comment in between continuation lines: "\ */
sp->nextline = get_one_sourceline(sp);
if (sp->nextline != NULL
&& (*(p = skipwhite(sp->nextline)) == '\\'
|| (p[0] == '"' && p[1] == '\\' && p[2] == ' ')))
{
garray_T ga;
ga_init2(&ga, (int)sizeof(char_u), 400);
ga_concat(&ga, line);
if (*p == '\\')
ga_concat(&ga, p + 1);
for (;;)
{
vim_free(sp->nextline);
sp->nextline = get_one_sourceline(sp);
if (sp->nextline == NULL)
break;
p = skipwhite(sp->nextline);
if (*p == '\\')
{
// 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);
}
else if (p[0] != '"' || p[1] != '\\' || p[2] != ' ')
break;
}
ga_append(&ga, NUL);
vim_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)
{
vim_free(line);
line = s;
}
}
#ifdef FEAT_EVAL
// 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;
}
#endif
return line;
}
/*
* ":scriptencoding": Set encoding conversion for a sourced script.
*/
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)
vim_free(name);
}
/*
* ":scriptversion": Set Vim script version for a sourced script.
*/
void
ex_scriptversion(exarg_T *eap UNUSED)
{
#ifdef FEAT_EVAL
int nr;
if (!getline_equal(eap->getline, eap->cookie, getsourceline))
{
emsg(_("E984: :scriptversion used outside of a sourced file"));
return;
}
if (current_sctx.sc_version == SCRIPT_VERSION_VIM9)
{
emsg(_("E1040: Cannot use :scriptversion after :vim9script"));
return;
}
nr = getdigits(&eap->arg);
if (nr == 0 || *eap->arg != NUL)
emsg(_(e_invarg));
else if (nr > 4)
semsg(_("E999: scriptversion not supported: %d"), nr);
else
{
current_sctx.sc_version = nr;
SCRIPT_ITEM(current_sctx.sc_sid).sn_version = nr;
}
#endif
}
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* ":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(
char_u *(*fgetline)(int, void *, int, int),
void *cookie)
{
return (getline_equal(fgetline, cookie, getsourceline)
&& ((struct source_cookie *)getline_cookie(
fgetline, cookie))->finished);
}
/*
* Return the autoload script name for a function or variable name.
* Returns NULL when out of memory.
* Caller must make sure that "name" contains AUTOLOAD_CHAR.
*/
char_u *
autoload_name(char_u *name)
{
char_u *p, *q = NULL;
char_u *scriptname;
// Get the script file name: replace '#' with '/', append ".vim".
scriptname = alloc(STRLEN(name) + 14);
if (scriptname == NULL)
return NULL;
STRCPY(scriptname, "autoload/");
STRCAT(scriptname, name);
for (p = scriptname + 9; (p = vim_strchr(p, AUTOLOAD_CHAR)) != NULL;
q = p, ++p)
*p = '/';
STRCPY(q, ".vim");
return scriptname;
}
/*
* If "name" has a package name try autoloading the script for it.
* Return TRUE if a package was loaded.
*/
int
script_autoload(
char_u *name,
int reload) // load script again when already loaded
{
char_u *p;
char_u *scriptname, *tofree;
int ret = FALSE;
int i;
// If there is no '#' after name[0] there is no package name.
p = vim_strchr(name, AUTOLOAD_CHAR);
if (p == NULL || p == name)
return FALSE;
tofree = scriptname = autoload_name(name);
if (scriptname == NULL)
return FALSE;
// Find the name in the list of previously loaded package names. Skip
// "autoload/", it's always the same.
for (i = 0; i < ga_loaded.ga_len; ++i)
if (STRCMP(((char_u **)ga_loaded.ga_data)[i] + 9, scriptname + 9) == 0)
break;
if (!reload && i < ga_loaded.ga_len)
ret = FALSE; // was loaded already
else
{
// Remember the name if it wasn't loaded already.
if (i == ga_loaded.ga_len && ga_grow(&ga_loaded, 1) == OK)
{
((char_u **)ga_loaded.ga_data)[ga_loaded.ga_len++] = scriptname;
tofree = NULL;
}
// Try loading the package from $VIMRUNTIME/autoload/<name>.vim
if (source_runtime(scriptname, 0) == OK)
ret = TRUE;
}
vim_free(tofree);
return ret;
}
#endif
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