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vim-patch:7.4.1607

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Problem:    Comparing a function that exists on two dicts is not backwards
            compatible. (Thinca)
Solution:   Only compare the function, not what the partial adds.

f0e86a0dbd
This commit is contained in:
Michael Ennen
2016-10-27 14:05:27 -07:00
committed by James McCoy
parent 5241ca7d7a
commit 3213b28c01
3 changed files with 44 additions and 31 deletions
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51
src/nvim/eval.c
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@@ -3763,28 +3763,13 @@ static int eval4(char_u **arg, typval_T *rettv, int evaluate)
} else if (rettv->v_type == VAR_FUNC || var2.v_type == VAR_FUNC
|| rettv->v_type == VAR_PARTIAL
|| var2.v_type == VAR_PARTIAL) {
if (rettv->v_type != var2.v_type
|| (type != TYPE_EQUAL && type != TYPE_NEQUAL)) {
if (rettv->v_type != var2.v_type)
EMSG(_("E693: Can only compare Funcref with Funcref"));
else
EMSG(_("E694: Invalid operation for Funcrefs"));
if (type != TYPE_EQUAL && type != TYPE_NEQUAL) {
EMSG(_("E694: Invalid operation for Funcrefs"));
clear_tv(rettv);
clear_tv(&var2);
return FAIL;
} else if (rettv->v_type == VAR_PARTIAL) {
// Partials are only equal when identical.
n1 = rettv->vval.v_partial != NULL
&& rettv->vval.v_partial == var2.vval.v_partial;
} else {
/* Compare two Funcrefs for being equal or unequal. */
if (rettv->vval.v_string == NULL
|| var2.vval.v_string == NULL) {
n1 = false;
} else {
n1 = STRCMP(rettv->vval.v_string, var2.vval.v_string) == 0;
}
}
n1 = tv_equal(rettv, &var2, false, false);
if (type == TYPE_NEQUAL) {
n1 = !n1;
}
@@ -5159,8 +5144,20 @@ tv_equal (
static int recursive_cnt = 0; /* catch recursive loops */
int r;
if (tv1->v_type != tv2->v_type)
return FALSE;
// For VAR_FUNC and VAR_PARTIAL only compare the function name.
if ((tv1->v_type == VAR_FUNC
|| (tv1->v_type == VAR_PARTIAL && tv1->vval.v_partial != NULL))
&& (tv2->v_type == VAR_FUNC
|| (tv2->v_type == VAR_PARTIAL && tv2->vval.v_partial != NULL))) {
s1 = tv1->v_type == VAR_FUNC ? tv1->vval.v_string
: tv1->vval.v_partial->pt_name;
s2 = tv2->v_type == VAR_FUNC ? tv2->vval.v_string
: tv2->vval.v_partial->pt_name;
return (s1 != NULL && s2 != NULL && STRCMP(s1, s2) == 0);
}
if (tv1->v_type != tv2->v_type) {
return false;
}
/* Catch lists and dicts that have an endless loop by limiting
* recursiveness to a limit. We guess they are equal then.
@@ -5188,15 +5185,6 @@ tv_equal (
--recursive_cnt;
return r;
case VAR_FUNC:
return tv1->vval.v_string != NULL
&& tv2->vval.v_string != NULL
&& STRCMP(tv1->vval.v_string, tv2->vval.v_string) == 0;
case VAR_PARTIAL:
return tv1->vval.v_partial != NULL
&& tv1->vval.v_partial == tv2->vval.v_partial;
case VAR_NUMBER:
return tv1->vval.v_number == tv2->vval.v_number;
@@ -5211,6 +5199,8 @@ tv_equal (
case VAR_SPECIAL:
return tv1->vval.v_special == tv2->vval.v_special;
case VAR_FUNC:
case VAR_PARTIAL:
case VAR_UNKNOWN:
// VAR_UNKNOWN can be the result of an invalid expression, let’s say it does
// not equal anything, not even self.
@@ -18404,7 +18394,8 @@ handle_subscript (
// partial: use selfdict and copy args
pt->pt_name = vim_strsave(ret_pt->pt_name);
if (ret_pt->pt_argc > 0) {
pt->pt_argv = (typval_T *)xmalloc(sizeof(typval_T) * ret_pt->pt_argc);
size_t arg_size = sizeof(typval_T) * ret_pt->pt_argc;
pt->pt_argv = (typval_T *)xmalloc(arg_size);
if (pt->pt_argv == NULL) {
// out of memory: drop the arguments
pt->pt_argc = 0;