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authorBram Moolenaar <Bram@vim.org>2017-02-23 14:25:17 +0100
committerBram Moolenaar <Bram@vim.org>2017-02-23 14:25:17 +0100
commitf06e5a549f42396be3478ccc1b5f03be64e1173e (patch)
treeee45524964045f03edf57d8874d86b96328d1704 /src/eval.c
parent218426896cbb2129aa4e85803ea97c5b57df1eaa (diff)
downloadvim-f06e5a549f42396be3478ccc1b5f03be64e1173e.zip
patch 8.0.0352: not easy to see when a typval needs to be cleared
Problem: The condition for when a typval needs to be cleared is too complicated. Solution: Init the type to VAR_UNKNOWN and clear it always.
Diffstat (limited to 'src/eval.c')
-rw-r--r--src/eval.c40
1 files changed, 16 insertions, 24 deletions
diff --git a/src/eval.c b/src/eval.c
index c4154d01d..725e540b9 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -1898,6 +1898,8 @@ get_lval(
* Loop until no more [idx] or .key is following.
*/
lp->ll_tv = &v->di_tv;
+ var1.v_type = VAR_UNKNOWN;
+ var2.v_type = VAR_UNKNOWN;
while (*p == '[' || (*p == '.' && lp->ll_tv->v_type == VAR_DICT))
{
if (!(lp->ll_tv->v_type == VAR_LIST && lp->ll_tv->vval.v_list != NULL)
@@ -1955,8 +1957,7 @@ get_lval(
{
if (!quiet)
EMSG(_(e_dictrange));
- if (!empty1)
- clear_tv(&var1);
+ clear_tv(&var1);
return NULL;
}
if (rettv != NULL && (rettv->v_type != VAR_LIST
@@ -1964,8 +1965,7 @@ get_lval(
{
if (!quiet)
EMSG(_("E709: [:] requires a List value"));
- if (!empty1)
- clear_tv(&var1);
+ clear_tv(&var1);
return NULL;
}
p = skipwhite(p + 1);
@@ -1976,15 +1976,13 @@ get_lval(
lp->ll_empty2 = FALSE;
if (eval1(&p, &var2, TRUE) == FAIL) /* recursive! */
{
- if (!empty1)
- clear_tv(&var1);
+ clear_tv(&var1);
return NULL;
}
if (get_tv_string_chk(&var2) == NULL)
{
/* not a number or string */
- if (!empty1)
- clear_tv(&var1);
+ clear_tv(&var1);
clear_tv(&var2);
return NULL;
}
@@ -1998,10 +1996,8 @@ get_lval(
{
if (!quiet)
EMSG(_(e_missbrac));
- if (!empty1)
- clear_tv(&var1);
- if (lp->ll_range && !lp->ll_empty2)
- clear_tv(&var2);
+ clear_tv(&var1);
+ clear_tv(&var2);
return NULL;
}
@@ -2064,16 +2060,14 @@ get_lval(
{
if (!quiet)
EMSG2(_(e_dictkey), key);
- if (len == -1)
- clear_tv(&var1);
+ clear_tv(&var1);
return NULL;
}
if (len == -1)
lp->ll_newkey = vim_strsave(key);
else
lp->ll_newkey = vim_strnsave(key, len);
- if (len == -1)
- clear_tv(&var1);
+ clear_tv(&var1);
if (lp->ll_newkey == NULL)
p = NULL;
break;
@@ -2086,8 +2080,7 @@ get_lval(
return NULL;
}
- if (len == -1)
- clear_tv(&var1);
+ clear_tv(&var1);
lp->ll_tv = &lp->ll_di->di_tv;
}
else
@@ -2098,11 +2091,10 @@ get_lval(
if (empty1)
lp->ll_n1 = 0;
else
- {
+ /* is number or string */
lp->ll_n1 = (long)get_tv_number(&var1);
- /* is number or string */
- clear_tv(&var1);
- }
+ clear_tv(&var1);
+
lp->ll_dict = NULL;
lp->ll_list = lp->ll_tv->vval.v_list;
lp->ll_li = list_find(lp->ll_list, lp->ll_n1);
@@ -2116,8 +2108,7 @@ get_lval(
}
if (lp->ll_li == NULL)
{
- if (lp->ll_range && !lp->ll_empty2)
- clear_tv(&var2);
+ clear_tv(&var2);
if (!quiet)
EMSGN(_(e_listidx), lp->ll_n1);
return NULL;
@@ -2161,6 +2152,7 @@ get_lval(
}
}
+ clear_tv(&var1);
return p;
}