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updated for version 7.0046

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This commit is contained in:
Bram Moolenaar
2005-01-31 19:25:36 +00:00
parent 485db9bbb2
commit 2e6aff38e0
3 changed files with 461 additions and 41 deletions
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410
src/eval.c
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@@ -453,6 +453,7 @@ static void f_inputsave __ARGS((typval_T *argvars, typval_T *rettv));
static void f_inputsecret __ARGS((typval_T *argvars, typval_T *rettv));
static void f_insert __ARGS((typval_T *argvars, typval_T *rettv));
static void f_isdirectory __ARGS((typval_T *argvars, typval_T *rettv));
static void f_islocked __ARGS((typval_T *argvars, typval_T *rettv));
static void f_items __ARGS((typval_T *argvars, typval_T *rettv));
static void f_join __ARGS((typval_T *argvars, typval_T *rettv));
static void f_keys __ARGS((typval_T *argvars, typval_T *rettv));
@@ -556,6 +557,7 @@ static void list_one_var __ARGS((dictitem_T *v, char_u *prefix));
static void list_one_var_a __ARGS((char_u *prefix, char_u *name, int type, char_u *string));
static void set_var __ARGS((char_u *name, typval_T *varp, int copy));
static int var_check_ro __ARGS((int flags, char_u *name));
static int tv_check_lock __ARGS((int lock, char_u *name));
static void copy_tv __ARGS((typval_T *from, typval_T *to));
static void item_copy __ARGS((typval_T *from, typval_T *to, int deep));
static char_u *find_option_end __ARGS((char_u **arg, int *opt_flags));
@@ -592,7 +594,10 @@ static int tv_op __ARGS((typval_T *tv1, typval_T *tv2, char_u *op));
static void list_add_watch __ARGS((list_T *l, listwatch_T *lw));
static void list_rem_watch __ARGS((list_T *l, listwatch_T *lwrem));
static void list_fix_watch __ARGS((list_T *l, listitem_T *item));
static void ex_unletlock __ARGS((exarg_T *eap, char_u *argstart, int deep));
static int do_unlet_var __ARGS((lval_T *lp, char_u *name_end, int forceit));
static int do_lock_var __ARGS((lval_T *lp, char_u *name_end, int deep, int lock));
static void item_lock __ARGS((typval_T *tv, int deep, int lock));
/*
* Initialize the global and v: variables.
@@ -1169,6 +1174,9 @@ ex_let(eap)
expr = vim_strchr(expr, '=');
if (expr == NULL)
{
/*
* ":let" without "=": list variables
*/
if (*arg == '[')
EMSG(_(e_invarg));
else if (!ends_excmd(*arg))
@@ -1292,6 +1300,7 @@ ex_let_vars(arg_start, tv, copy, semicolon, var_count, nextchars)
}
ltv.v_type = VAR_LIST;
ltv.v_lock = 0;
ltv.vval.v_list = l;
l->lv_refcount = 1;
@@ -2077,7 +2086,7 @@ clear_lval(lp)
}
/*
* Set a variable that was parsed by get_lval().
* Set a variable that was parsed by get_lval() to "rettv".
* "endp" points to just after the parsed name.
* "op" is NULL, "+" for "+=", "-" for "-=", "." for ".=" or "=" for "=".
*/
@@ -2104,6 +2113,7 @@ set_var_lval(lp, endp, rettv, copy, op)
{
typval_T tv;
/* handle +=, -= and .= */
if (get_var_tv(lp->ll_name, STRLEN(lp->ll_name), &tv) == OK)
{
if (tv_op(&tv, rettv, op) == OK)
@@ -2116,6 +2126,10 @@ set_var_lval(lp, endp, rettv, copy, op)
*endp = cc;
}
}
else if (tv_check_lock(lp->ll_newkey == NULL
? lp->ll_tv->v_lock
: lp->ll_tv->vval.v_dict->dv_lock, lp->ll_name))
;
else if (lp->ll_range)
{
/*
@@ -2143,6 +2157,7 @@ set_var_lval(lp, endp, rettv, copy, op)
break;
}
ni->li_tv.v_type = VAR_NUMBER;
ni->li_tv.v_lock = 0;
ni->li_tv.vval.v_number = 0;
list_append(lp->ll_list, ni);
}
@@ -2630,15 +2645,47 @@ end:
void
ex_unlet(eap)
exarg_T *eap;
{
ex_unletlock(eap, eap->arg, 0);
}
/*
* ":lockvar" and ":unlockvar" commands
*/
void
ex_lockvar(eap)
exarg_T *eap;
{
char_u *arg = eap->arg;
int deep = 2;
if (eap->forceit)
deep = -1;
else if (vim_isdigit(*arg))
{
deep = getdigits(&arg);
arg = skipwhite(arg);
}
ex_unletlock(eap, arg, deep);
}
/*
* ":unlet", ":lockvar" and ":unlockvar" are quite similar.
*/
static void
ex_unletlock(eap, argstart, deep)
exarg_T *eap;
char_u *argstart;
int deep;
{
char_u *arg = argstart;
char_u *name_end;
int error = FALSE;
lval_T lv;
do
{
lval_T lv;
/* Parse the name and find the end. */
name_end = get_lval(arg, NULL, &lv, TRUE, eap->skip || error, FALSE);
if (lv.ll_name == NULL)
@@ -2657,8 +2704,19 @@ ex_unlet(eap)
}
if (!error && !eap->skip)
{
if (eap->cmdidx == CMD_unlet)
{
if (do_unlet_var(&lv, name_end, eap->forceit) == FAIL)
error = TRUE;
}
else
{
if (do_lock_var(&lv, name_end, deep,
eap->cmdidx == CMD_lockvar) == FAIL)
error = TRUE;
}
}
if (!eap->skip)
clear_lval(&lv);
@@ -2669,7 +2727,6 @@ ex_unlet(eap)
eap->nextcmd = check_nextcmd(arg);
}
static int
do_unlet_var(lp, name_end, forceit)
lval_T *lp;
@@ -2687,13 +2744,12 @@ do_unlet_var(lp, name_end, forceit)
/* Normal name or expanded name. */
if (check_changedtick(lp->ll_name))
ret = FAIL;
else if (do_unlet(lp->ll_name) == FAIL && !forceit)
{
EMSG2(_("E108: No such variable: \"%s\""), lp->ll_name);
else if (do_unlet(lp->ll_name, forceit) == FAIL)
ret = FAIL;
}
*name_end = cc;
}
else if (tv_check_lock(lp->ll_tv->v_lock, lp->ll_name))
return FAIL;
else if (lp->ll_range)
{
listitem_T *li;
@@ -2722,10 +2778,12 @@ do_unlet_var(lp, name_end, forceit)
/*
* "unlet" a variable. Return OK if it existed, FAIL if not.
* When "forceit" is TRUE don't complain if the variable doesn't exist.
*/
int
do_unlet(name)
do_unlet(name, forceit)
char_u *name;
int forceit;
{
hashtab_T *ht;
hashitem_T *hi;
@@ -2737,16 +2795,154 @@ do_unlet(name)
hi = hash_find(ht, varname);
if (!HASHITEM_EMPTY(hi))
{
if (!var_check_ro(HI2DI(hi)->di_flags, name))
{
if (var_check_ro(HI2DI(hi)->di_flags, name))
return FAIL;
delete_var(ht, hi);
return OK;
}
}
}
if (forceit)
return OK;
EMSG2(_("E108: No such variable: \"%s\""), name);
return FAIL;
}
/*
* Lock or unlock variable indicated by "lp".
* "deep" is the levels to go (-1 for unlimited);
* "lock" is TRUE for ":lockvar", FALSE for ":unlockvar".
*/
static int
do_lock_var(lp, name_end, deep, lock)
lval_T *lp;
char_u *name_end;
int deep;
int lock;
{
int ret = OK;
int cc;
dictitem_T *di;
if (deep == 0) /* nothing to do */
return OK;
if (lp->ll_tv == NULL)
{
cc = *name_end;
*name_end = NUL;
/* Normal name or expanded name. */
if (check_changedtick(lp->ll_name))
ret = FAIL;
else
{
di = find_var(lp->ll_name, NULL);
if (di == NULL)
ret = FAIL;
else
{
if (lock)
di->di_flags |= DI_FLAGS_LOCK;
else
di->di_flags &= ~DI_FLAGS_LOCK;
item_lock(&di->di_tv, deep, lock);
}
}
*name_end = cc;
}
else if (lp->ll_range)
{
listitem_T *li = lp->ll_li;
/* (un)lock a range of List items. */
while (li != NULL && (lp->ll_empty2 || lp->ll_n2 >= lp->ll_n1))
{
item_lock(&li->li_tv, deep, lock);
li = li->li_next;
++lp->ll_n1;
}
}
else if (lp->ll_list != NULL)
/* (un)lock a List item. */
item_lock(&lp->ll_li->li_tv, deep, lock);
else
/* un(lock) a Dictionary item. */
item_lock(&lp->ll_di->di_tv, deep, lock);
return ret;
}
/*
* Lock or unlock an item. "deep" is nr of levels to go.
*/
static void
item_lock(tv, deep, lock)
typval_T *tv;
int deep;
int lock;
{
static int recurse = 0;
list_T *l;
listitem_T *li;
dict_T *d;
hashitem_T *hi;
int todo;
if (recurse >= DICT_MAXNEST)
{
EMSG(_("E743: variable nested too deep for (un)lock"));
return;
}
if (deep == 0)
return;
++recurse;
/* lock/unlock the item itself */
if (lock)
tv->v_lock |= VAR_LOCKED;
else
tv->v_lock &= ~VAR_LOCKED;
switch (tv->v_type)
{
case VAR_LIST:
if ((l = tv->vval.v_list) != NULL)
{
if (lock)
l->lv_lock |= VAR_LOCKED;
else
l->lv_lock &= ~VAR_LOCKED;
if (deep < 0 || deep > 1)
/* recursive: lock/unlock the items the List contains */
for (li = l->lv_first; li != NULL; li = li->li_next)
item_lock(&li->li_tv, deep - 1, lock);
}
break;
case VAR_DICT:
if ((d = tv->vval.v_dict) != NULL)
{
if (lock)
d->dv_lock |= VAR_LOCKED;
else
d->dv_lock &= ~VAR_LOCKED;
if (deep < 0 || deep > 1)
{
/* recursive: lock/unlock the items the List contains */
todo = d->dv_hashtab.ht_used;
for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi)
{
if (!HASHITEM_EMPTY(hi))
{
--todo;
item_lock(&HI2DI(hi)->di_tv, deep - 1, lock);
}
}
}
}
}
--recurse;
}
#if (defined(FEAT_MENU) && defined(FEAT_MULTI_LANG)) || defined(PROTO)
/*
* Delete all "menutrans_" variables.
@@ -3621,6 +3817,8 @@ eval6(arg, rettv, evaluate)
* function() function call
* $VAR environment variable
* (expression) nested expression
* [expr, expr] List
* {key: val, key: val} Dictionary
*
* Also handle:
* ! in front logical NOT
@@ -4420,6 +4618,7 @@ get_list_tv(arg, rettv, evaluate)
if (item != NULL)
{
item->li_tv = tv;
item->li_tv.v_lock = 0;
list_append(l, item);
}
else
@@ -5002,7 +5201,11 @@ dict_alloc()
d = (dict_T *)alloc(sizeof(dict_T));
if (d != NULL)
{
hash_init(&d->dv_hashtab);
d->dv_lock = 0;
d->dv_refcount = 0;
}
return d;
}
@@ -5058,7 +5261,10 @@ dictitem_alloc(key)
di = (dictitem_T *)alloc(sizeof(dictitem_T) + STRLEN(key));
if (di != NULL)
{
STRCPY(di->di_key, key);
di->di_flags = 0;
}
return di;
}
@@ -5075,6 +5281,7 @@ dictitem_copy(org)
if (di != NULL)
{
STRCPY(di->di_key, org->di_key);
di->di_flags = 0;
copy_tv(&org->di_tv, &di->di_tv);
}
return di;
@@ -5357,6 +5564,7 @@ get_dict_tv(arg, rettv, evaluate)
if (item != NULL)
{
item->di_tv = tv;
item->di_tv.v_lock = 0;
if (dict_add(d, item) == FAIL)
dictitem_free(item);
}
@@ -5679,6 +5887,7 @@ static struct fst
{"inputsecret", 1, 2, f_inputsecret},
{"insert", 2, 3, f_insert},
{"isdirectory", 1, 1, f_isdirectory},
{"islocked", 1, 1, f_islocked},
{"items", 1, 1, f_items},
{"join", 1, 2, f_join},
{"keys", 1, 1, f_keys},
@@ -6169,8 +6378,9 @@ f_add(argvars, rettv)
rettv->vval.v_number = 1; /* Default: Failed */
if (argvars[0].v_type == VAR_LIST)
{
l = argvars[0].vval.v_list;
if (l != NULL && list_append_tv(l, &argvars[1]) == OK)
if ((l = argvars[0].vval.v_list) != NULL
&& !tv_check_lock(l->lv_lock, (char_u *)"add()")
&& list_append_tv(l, &argvars[1]) == OK)
copy_tv(&argvars[0], rettv);
}
else
@@ -6612,7 +6822,9 @@ f_call(argvars, rettv)
EMSG(_("E699: Too many arguments"));
break;
}
/* Make a copy of each argument (is this really needed?) */
/* Make a copy of each argument. This is needed to be able to set
* v_lock to VAR_FIXED in the copy without changing the original list.
*/
copy_tv(&item->li_tv, &argv[argc++]);
}
@@ -7259,7 +7471,8 @@ f_extend(argvars, rettv)
l1 = argvars[0].vval.v_list;
l2 = argvars[1].vval.v_list;
if (l1 != NULL && l2 != NULL)
if (l1 != NULL && !tv_check_lock(l1->lv_lock, (char_u *)"extend()")
&& l2 != NULL)
{
if (argvars[2].v_type != VAR_UNKNOWN)
{
@@ -7290,7 +7503,8 @@ f_extend(argvars, rettv)
d1 = argvars[0].vval.v_dict;
d2 = argvars[1].vval.v_dict;
if (d1 != NULL && d2 != NULL)
if (d1 != NULL && !tv_check_lock(d1->dv_lock, (char_u *)"extend()")
&& d2 != NULL)
{
/* Check the third argument. */
if (argvars[2].v_type != VAR_UNKNOWN)
@@ -7478,21 +7692,25 @@ filter_map(argvars, rettv, map)
typval_T save_key;
int rem;
int todo;
char_u *msg = map ? (char_u *)"map()" : (char_u *)"filter()";
rettv->vval.v_number = 0;
if (argvars[0].v_type == VAR_LIST)
{
if ((l = argvars[0].vval.v_list) == NULL)
if ((l = argvars[0].vval.v_list) == NULL
|| (map && tv_check_lock(l->lv_lock, msg)))
return;
}
else if (argvars[0].v_type == VAR_DICT)
{
if ((d = argvars[0].vval.v_dict) == NULL)
if ((d = argvars[0].vval.v_dict) == NULL
|| (map && tv_check_lock(d->dv_lock, msg)))
return;
}
else
{
EMSG2(_(e_listdictarg), map ? "map()" : "filter()");
EMSG2(_(e_listdictarg), msg);
return;
}
@@ -7513,6 +7731,8 @@ filter_map(argvars, rettv, map)
{
--todo;
di = HI2DI(hi);
if (tv_check_lock(di->di_tv.v_lock, msg))
break;
vimvars[VV_KEY].vv_str = vim_strsave(di->di_key);
if (filter_map_one(&di->di_tv, expr, map, &rem) == FAIL)
break;
@@ -7530,6 +7750,8 @@ filter_map(argvars, rettv, map)
{
for (li = l->lv_first; li != NULL; li = nli)
{
if (tv_check_lock(li->li_tv.v_lock, msg))
break;
nli = li->li_next;
if (filter_map_one(&li->li_tv, expr, map, &rem) == FAIL)
break;
@@ -8314,6 +8536,7 @@ f_getline(argvars, rettv)
break;
list_append(l, li);
li->li_tv.v_type = VAR_STRING;
li->li_tv.v_lock = 0;
li->li_tv.vval.v_string = vim_strsave(ml_get(lnum++));
}
rettv->vval.v_list = l;
@@ -9471,9 +9694,11 @@ f_insert(argvars, rettv)
listitem_T *item;
list_T *l;
rettv->vval.v_number = 0;
if (argvars[0].v_type != VAR_LIST)
EMSG2(_(e_listarg), "insert()");
else if ((l = argvars[0].vval.v_list) != NULL)
else if ((l = argvars[0].vval.v_list) != NULL
&& !tv_check_lock(l->lv_lock, (char_u *)"insert()"))
{
if (argvars[2].v_type != VAR_UNKNOWN)
before = get_tv_number(&argvars[2]);
@@ -9502,6 +9727,80 @@ f_isdirectory(argvars, rettv)
rettv->vval.v_number = mch_isdir(get_tv_string(&argvars[0]));
}
static int tv_islocked __ARGS((typval_T *tv));
/*
* Return TRUE if typeval "tv" is locked: Either tha value is locked itself or
* it refers to a List or Dictionary that is locked.
*/
static int
tv_islocked(tv)
typval_T *tv;
{
return (tv->v_lock & VAR_LOCKED)
|| (tv->v_type == VAR_LIST
&& tv->vval.v_list != NULL
&& (tv->vval.v_list->lv_lock & VAR_LOCKED))
|| (tv->v_type == VAR_DICT
&& tv->vval.v_dict != NULL
&& (tv->vval.v_dict->dv_lock & VAR_LOCKED));
}
/*
* "islocked()" function
*/
static void
f_islocked(argvars, rettv)
typval_T *argvars;
typval_T *rettv;
{
lval_T lv;
char_u *end;
dictitem_T *di;
rettv->vval.v_number = -1;
end = get_lval(get_tv_string(&argvars[0]), NULL, &lv, FALSE, FALSE, FALSE);
if (end != NULL && lv.ll_name != NULL)
{
if (*end != NUL)
EMSG(_(e_trailing));
else
{
if (lv.ll_tv == NULL)
{
if (check_changedtick(lv.ll_name))
rettv->vval.v_number = 1; /* always locked */
else
{
di = find_var(lv.ll_name, NULL);
if (di != NULL)
{
/* Consider a variable locked when:
* 1. the variable itself is locked
* 2. the value of the variable is locked.
* 3. the List or Dict value is locked.
*/
rettv->vval.v_number = ((di->di_flags & DI_FLAGS_LOCK)
|| tv_islocked(&di->di_tv));
}
}
}
else if (lv.ll_range)
EMSG(_("E745: Range not allowed"));
else if (lv.ll_newkey != NULL)
EMSG2(_(e_dictkey), lv.ll_newkey);
else if (lv.ll_list != NULL)
/* List item. */
rettv->vval.v_number = tv_islocked(&lv.ll_li->li_tv);
else
/* Dictionary item. */
rettv->vval.v_number = tv_islocked(&lv.ll_di->di_tv);
}
}
clear_lval(&lv);
}
static void dict_list __ARGS((typval_T *argvars, typval_T *rettv, int what));
/*
@@ -9558,6 +9857,7 @@ dict_list(argvars, rettv, what)
{
/* keys() */
li->li_tv.v_type = VAR_STRING;
li->li_tv.v_lock = 0;
li->li_tv.vval.v_string = vim_strsave(di->di_key);
}
else if (what == 1)
@@ -9570,6 +9870,7 @@ dict_list(argvars, rettv, what)
/* items() */
l2 = list_alloc();
li->li_tv.v_type = VAR_LIST;
li->li_tv.v_lock = 0;
li->li_tv.vval.v_list = l2;
if (l2 == NULL)
break;
@@ -9580,6 +9881,7 @@ dict_list(argvars, rettv, what)
break;
list_append(l2, li2);
li2->li_tv.v_type = VAR_STRING;
li2->li_tv.v_lock = 0;
li2->li_tv.vval.v_string = vim_strsave(di->di_key);
li2 = listitem_alloc();
@@ -10345,6 +10647,7 @@ f_range(argvars, rettv)
if (li == NULL)
break;
li->li_tv.v_type = VAR_NUMBER;
li->li_tv.v_lock = 0;
li->li_tv.vval.v_number = i;
list_append(l, li);
}
@@ -10600,7 +10903,8 @@ f_remove(argvars, rettv)
{
if (argvars[2].v_type != VAR_UNKNOWN)
EMSG2(_(e_toomanyarg), "remove()");
else if ((d = argvars[0].vval.v_dict) != NULL)
else if ((d = argvars[0].vval.v_dict) != NULL
&& !tv_check_lock(d->dv_lock, (char_u *)"remove()"))
{
key = get_tv_string(&argvars[1]);
di = dict_find(d, key, -1);
@@ -10616,7 +10920,8 @@ f_remove(argvars, rettv)
}
else if (argvars[0].v_type != VAR_LIST)
EMSG2(_(e_listdictarg), "remove()");
else if ((l = argvars[0].vval.v_list) != NULL)
else if ((l = argvars[0].vval.v_list) != NULL
&& !tv_check_lock(l->lv_lock, (char_u *)"remove()"))
{
idx = get_tv_number(&argvars[1]);
item = list_find(l, idx);
@@ -10950,7 +11255,8 @@ f_reverse(argvars, rettv)
rettv->vval.v_number = 0;
if (argvars[0].v_type != VAR_LIST)
EMSG2(_(e_listarg), "reverse()");
else if ((l = argvars[0].vval.v_list) != NULL)
else if ((l = argvars[0].vval.v_list) != NULL
&& !tv_check_lock(l->lv_lock, (char_u *)"reverse()"))
{
li = l->lv_last;
l->lv_first = l->lv_last = li;
@@ -11553,7 +11859,8 @@ item_compare2(s1, s2)
typval_T argv[2];
int dummy;
/* copy the values (is this really needed?) */
/* copy the values. This is needed to be able to set v_lock to VAR_FIXED
* in the copy without changing the original list items. */
copy_tv(&(*(listitem_T **)s1)->li_tv, &argv[0]);
copy_tv(&(*(listitem_T **)s2)->li_tv, &argv[1]);
@@ -11591,7 +11898,7 @@ f_sort(argvars, rettv)
else
{
l = argvars[0].vval.v_list;
if (l == NULL)
if (l == NULL || tv_check_lock(l->lv_lock, (char_u *)"sort()"))
return;
rettv->vval.v_list = l;
rettv->v_type = VAR_LIST;
@@ -11696,6 +12003,7 @@ f_split(argvars, rettv)
if (ni == NULL)
break;
ni->li_tv.v_type = VAR_STRING;
ni->li_tv.v_lock = 0;
ni->li_tv.vval.v_string = vim_strnsave(str, end - str);
list_append(l, ni);
}
@@ -13253,6 +13561,7 @@ clear_tv(varp)
default:
EMSG2(_(e_intern2), "clear_tv()");
}
varp->v_lock = 0;
}
}
@@ -13534,6 +13843,7 @@ init_var_dict(dict, dict_var)
dict->dv_refcount = 99999;
dict_var->di_tv.vval.v_dict = dict;
dict_var->di_tv.v_type = VAR_DICT;
dict_var->di_tv.v_lock = VAR_FIXED;
dict_var->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX;
dict_var->di_key[0] = NUL;
}
@@ -13696,7 +14006,8 @@ set_var(name, tv, copy)
if (v != NULL)
{
/* existing variable, need to clear the value */
if (var_check_ro(v->di_flags, name))
if (var_check_ro(v->di_flags, name)
|| tv_check_lock(v->di_tv.v_lock, name))
return;
if (v->di_tv.v_type != tv->v_type
&& !((v->di_tv.v_type == VAR_STRING
@@ -13736,16 +14047,17 @@ set_var(name, tv, copy)
}
else /* add a new variable */
{
v = (dictitem_T *)alloc((unsigned)(sizeof(dictitem_T) + STRLEN(varname)));
v = (dictitem_T *)alloc((unsigned)(sizeof(dictitem_T)
+ STRLEN(varname)));
if (v == NULL)
return;
STRCPY(v->di_key, varname);
v->di_flags = 0;
if (hash_add(ht, DI2HIKEY(v)) == FAIL)
{
vim_free(v);
return;
}
v->di_flags = 0;
}
if (copy || tv->v_type == VAR_NUMBER)
@@ -13753,6 +14065,7 @@ set_var(name, tv, copy)
else
{
v->di_tv = *tv;
v->di_tv.v_lock = 0;
init_tv(tv);
}
}
@@ -13779,6 +14092,30 @@ var_check_ro(flags, name)
return FALSE;
}
/*
* Return TRUE if typeval "tv" is set to be locked (immutable).
* Also give an error message, using "name".
*/
static int
tv_check_lock(lock, name)
int lock;
char_u *name;
{
if (lock & VAR_LOCKED)
{
EMSG2(_("E741: Value is locked: %s"),
name == NULL ? (char_u *)_("Unknown") : name);
return TRUE;
}
if (lock & VAR_FIXED)
{
EMSG2(_("E742: Cannot change value of %s"),
name == NULL ? (char_u *)_("Unknown") : name);
return TRUE;
}
return FALSE;
}
/*
* Copy the values from typval_T "from" to typval_T "to".
* When needed allocates string or increases reference count.
@@ -13790,6 +14127,7 @@ copy_tv(from, to)
typval_T *to;
{
to->v_type = from->v_type;
to->v_lock = 0;
switch (from->v_type)
{
case VAR_NUMBER:
@@ -13858,10 +14196,12 @@ item_copy(from, to, deep)
break;
case VAR_LIST:
to->v_type = VAR_LIST;
to->v_lock = 0;
to->vval.v_list = list_copy(from->vval.v_list, deep);
break;
case VAR_DICT:
to->v_type = VAR_DICT;
to->v_lock = 0;
to->vval.v_dict = dict_copy(from->vval.v_dict, deep);
break;
default:
@@ -14529,6 +14869,7 @@ ex_function(eap)
/* overwrite existing dict entry */
clear_tv(&fudi.fd_di->di_tv);
fudi.fd_di->di_tv.v_type = VAR_FUNC;
fudi.fd_di->di_tv.v_lock = 0;
fudi.fd_di->di_tv.vval.v_string = vim_strsave(name);
fp->refcount = 1;
}
@@ -15072,6 +15413,7 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
v->di_flags = DI_FLAGS_RO + DI_FLAGS_FIX;
hash_add(&fc.l_vars.dv_hashtab, DI2HIKEY(v));
v->di_tv.v_type = VAR_DICT;
v->di_tv.v_lock = 0;
v->di_tv.vval.v_dict = selfdict;
++selfdict->dv_refcount;
}
@@ -15089,6 +15431,7 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
v->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX;
hash_add(&fc.l_avars.dv_hashtab, DI2HIKEY(v));
v->di_tv.v_type = VAR_LIST;
v->di_tv.v_lock = VAR_FIXED;
v->di_tv.vval.v_list = &fc.l_varlist;
vim_memset(&fc.l_varlist, 0, sizeof(list_T));
fc.l_varlist.lv_refcount = 99999;
@@ -15121,7 +15464,8 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
}
else
{
v = (dictitem_T *)alloc((unsigned)(sizeof(dictitem_T) + STRLEN(name)));
v = (dictitem_T *)alloc((unsigned)(sizeof(dictitem_T)
+ STRLEN(name)));
if (v == NULL)
break;
v->di_flags = DI_FLAGS_RO;
@@ -15129,13 +15473,16 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
STRCPY(v->di_key, name);
hash_add(&fc.l_avars.dv_hashtab, DI2HIKEY(v));
/* Note: the values are copied directly to avoid alloc/free. */
/* Note: the values are copied directly to avoid alloc/free.
* "argvars" must have VAR_FIXED for v_lock. */
v->di_tv = argvars[i];
v->di_tv.v_lock = VAR_FIXED;
if (ai >= 0 && ai < MAX_FUNC_ARGS)
{
list_append(&fc.l_varlist, &fc.l_listitems[ai]);
fc.l_listitems[ai].li_tv = argvars[i];
fc.l_listitems[ai].li_tv.v_lock = VAR_FIXED;
}
}
@@ -15276,6 +15623,7 @@ add_nr_var(dp, v, name, nr)
v->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX;
hash_add(&dp->dv_hashtab, DI2HIKEY(v));
v->di_tv.v_type = VAR_NUMBER;
v->di_tv.v_lock = VAR_FIXED;
v->di_tv.vval.v_number = nr;
}

4
src/ex_cmds.h
View File

@@ -492,6 +492,8 @@ EX(CMD_loadkeymap, "loadkeymap", ex_loadkeymap,
CMDWIN),
EX(CMD_lockmarks, "lockmarks", ex_wrongmodifier,
NEEDARG|EXTRA|NOTRLCOM),
EX(CMD_lockvar, "lockvar", ex_lockvar,
BANG|EXTRA|NEEDARG|SBOXOK|CMDWIN),
EX(CMD_lunmap, "lunmap", ex_unmap,
EXTRA|TRLBAR|NOTRLCOM|USECTRLV|CMDWIN),
EX(CMD_ls, "ls", buflist_list,
@@ -826,6 +828,8 @@ EX(CMD_unhide, "unhide", ex_buffer_all,
RANGE|NOTADR|COUNT|TRLBAR),
EX(CMD_unlet, "unlet", ex_unlet,
BANG|EXTRA|NEEDARG|SBOXOK|CMDWIN),
EX(CMD_unlockvar, "unlockvar", ex_lockvar,
BANG|EXTRA|NEEDARG|SBOXOK|CMDWIN),
EX(CMD_unmap, "unmap", ex_unmap,
BANG|EXTRA|TRLBAR|NOTRLCOM|USECTRLV|CMDWIN),
EX(CMD_unmenu, "unmenu", ex_menu,

72
src/if_mzsch.c
View File

@@ -1,6 +1,6 @@
/* vi:set ts=8 sts=4 sw=4:
*
* MzScheme interface by Sergey Khorev <khorev@softlab.ru>
* MzScheme interface by Sergey Khorev <sergey.khorev@gmail.com>
* Original work by Brent Fulgham <bfulgham@debian.org>
* (Based on lots of help from Matthew Flatt)
*
@@ -219,11 +219,21 @@ static Scheme_Object *(*dll_scheme_eval_string)(const char *str,
static Scheme_Object *(*dll_scheme_eval_string_all)(const char *str,
Scheme_Env *env, int all);
static void (*dll_scheme_finish_primitive_module)(Scheme_Env *env);
# if MZSCHEME_VERSION_MAJOR < 299
static char *(*dll_scheme_format)(char *format, int flen, int argc,
Scheme_Object **argv, long *rlen);
# else
static char *(*dll_scheme_format_utf8)(char *format, int flen, int argc,
Scheme_Object **argv, long *rlen);
# endif
static void (*dll_scheme_gc_ptr_ok)(void *p);
# if MZSCHEME_VERSION_MAJOR < 299
static char *(*dll_scheme_get_sized_string_output)(Scheme_Object *,
long *len);
# else
static char *(*dll_scheme_get_sized_byte_string_output)(Scheme_Object *,
long *len);
# endif
static Scheme_Object *(*dll_scheme_intern_symbol)(const char *name);
static Scheme_Object *(*dll_scheme_lookup_global)(Scheme_Object *symbol,
Scheme_Env *env);
@@ -235,8 +245,13 @@ static Scheme_Object *(*dll_scheme_make_namespace)(int argc,
Scheme_Object *argv[]);
static Scheme_Object *(*dll_scheme_make_pair)(Scheme_Object *car,
Scheme_Object *cdr);
# if MZSCHEME_VERSION_MAJOR < 299
static Scheme_Object *(*dll_scheme_make_string)(const char *chars);
static Scheme_Object *(*dll_scheme_make_string_output_port)();
# else
static Scheme_Object *(*dll_scheme_make_byte_string)(const char *chars);
static Scheme_Object *(*dll_scheme_make_byte_string_output_port)();
# endif
static Scheme_Object *(*dll_scheme_make_struct_instance)(Scheme_Object *stype,
int argc, Scheme_Object **argv);
static Scheme_Object **(*dll_scheme_make_struct_names)(Scheme_Object *base,
@@ -244,7 +259,11 @@ static Scheme_Object **(*dll_scheme_make_struct_names)(Scheme_Object *base,
static Scheme_Object *(*dll_scheme_make_struct_type)(Scheme_Object *base,
Scheme_Object *parent, Scheme_Object *inspector, int num_fields,
int num_uninit_fields, Scheme_Object *uninit_val,
Scheme_Object *properties);
Scheme_Object *properties
# if MZSCHEME_VERSION_MAJOR >= 299
, Scheme_Object *guard
# endif
);
static Scheme_Object **(*dll_scheme_make_struct_values)(
Scheme_Object *struct_type, Scheme_Object **names, int count,
int flags);
@@ -262,6 +281,13 @@ static Scheme_Object *(*dll_scheme_read)(Scheme_Object *port);
static void (*dll_scheme_signal_error)(const char *msg, ...);
static void (*dll_scheme_wrong_type)(const char *name, const char *expected,
int which, int argc, Scheme_Object **argv);
# if MZSCHEME_VERSION_MAJOR >= 299
static void (*dll_scheme_set_param)(Scheme_Config *c, int pos,
Scheme_Object *o);
static Scheme_Config *(*dll_scheme_current_config)(void);
static Scheme_Object *(*dll_scheme_char_string_to_byte_string)
(Scheme_Object *s);
# endif
/* arrays are imported directly */
# define scheme_eof dll_scheme_eof
@@ -298,17 +324,32 @@ static void (*dll_scheme_wrong_type)(const char *name, const char *expected,
# define scheme_eval_string dll_scheme_eval_string
# define scheme_eval_string_all dll_scheme_eval_string_all
# define scheme_finish_primitive_module dll_scheme_finish_primitive_module
# if MZSCHEME_VERSION_MAJOR < 299
# define scheme_format dll_scheme_format
# else
# define scheme_format_utf8 dll_scheme_format_utf8
# endif
# define scheme_gc_ptr_ok dll_scheme_gc_ptr_ok
# if MZSCHEME_VERSION_MAJOR < 299
# define scheme_get_sized_string_output dll_scheme_get_sized_string_output
# else
# define scheme_get_sized_byte_string_output \
dll_scheme_get_sized_byte_string_output
# endif
# define scheme_intern_symbol dll_scheme_intern_symbol
# define scheme_lookup_global dll_scheme_lookup_global
# define scheme_make_closed_prim_w_arity dll_scheme_make_closed_prim_w_arity
# define scheme_make_integer_value dll_scheme_make_integer_value
# define scheme_make_namespace dll_scheme_make_namespace
# define scheme_make_pair dll_scheme_make_pair
# if MZSCHEME_VERSION_MAJOR < 299
# define scheme_make_string dll_scheme_make_string
# define scheme_make_string_output_port dll_scheme_make_string_output_port
# else
# define scheme_make_byte_string dll_scheme_make_byte_string
# define scheme_make_byte_string_output_port \
dll_scheme_make_byte_string_output_port
# endif
# define scheme_make_struct_instance dll_scheme_make_struct_instance
# define scheme_make_struct_names dll_scheme_make_struct_names
# define scheme_make_struct_type dll_scheme_make_struct_type
@@ -325,6 +366,12 @@ static void (*dll_scheme_wrong_type)(const char *name, const char *expected,
# define scheme_set_stack_base dll_scheme_set_stack_base
# define scheme_signal_error dll_scheme_signal_error
# define scheme_wrong_type dll_scheme_wrong_type
# if MZSCHEME_VERSION_MAJOR >= 299
# define scheme_set_param dll_scheme_set_param
# define scheme_current_config dll_scheme_current_config
# define scheme_char_string_to_byte_string \
dll_scheme_char_string_to_byte_string
# endif
typedef struct
{
@@ -367,10 +414,19 @@ static Thunk_Info mzsch_imports[] = {
{"scheme_eval_string_all", (void **)&dll_scheme_eval_string_all},
{"scheme_finish_primitive_module",
(void **)&dll_scheme_finish_primitive_module},
# if MZSCHEME_VERSION_MAJOR < 299
{"scheme_format", (void **)&dll_scheme_format},
# else
{"scheme_format_utf8", (void **)&dll_scheme_format_utf8},
#endif
{"scheme_gc_ptr_ok", (void **)&dll_scheme_gc_ptr_ok},
# if MZSCHEME_VERSION_MAJOR < 299
{"scheme_get_sized_string_output",
(void **)&dll_scheme_get_sized_string_output},
# else
{"scheme_get_sized_byte_string_output",
(void **)&dll_scheme_get_sized_byte_string_output},
#endif
{"scheme_intern_symbol", (void **)&dll_scheme_intern_symbol},
{"scheme_lookup_global", (void **)&dll_scheme_lookup_global},
{"scheme_make_closed_prim_w_arity",
@@ -378,9 +434,15 @@ static Thunk_Info mzsch_imports[] = {
{"scheme_make_integer_value", (void **)&dll_scheme_make_integer_value},
{"scheme_make_namespace", (void **)&dll_scheme_make_namespace},
{"scheme_make_pair", (void **)&dll_scheme_make_pair},
# if MZSCHEME_VERSION_MAJOR < 299
{"scheme_make_string", (void **)&dll_scheme_make_string},
{"scheme_make_string_output_port",
(void **)&dll_scheme_make_string_output_port},
# else
{"scheme_make_byte_string", (void **)&dll_scheme_make_byte_string},
{"scheme_make_byte_string_output_port",
(void **)&dll_scheme_make_byte_string_output_port},
# endif
{"scheme_make_struct_instance",
(void **)&dll_scheme_make_struct_instance},
{"scheme_make_struct_names", (void **)&dll_scheme_make_struct_names},
@@ -398,6 +460,12 @@ static Thunk_Info mzsch_imports[] = {
{"scheme_set_stack_base", (void **)&dll_scheme_set_stack_base},
{"scheme_signal_error", (void **)&dll_scheme_signal_error},
{"scheme_wrong_type", (void **)&dll_scheme_wrong_type},
# if MZSCHEME_VERSION_MAJOR >= 299
{"scheme_set_param", (void **)&dll_scheme_set_param},
{"scheme_current_config", (void **)&dll_scheme_current_config},
{"scheme_char_string_to_byte_string",
(void **)&dll_scheme_char_string_to_byte_string},
# endif
{NULL, NULL}};
static HINSTANCE hMzGC = 0;