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patch 8.0.0676: crash when closing quickfix window in autocmd

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Problem:    Crash when closing the quickfix window in a FileType autocommand
            that triggers when the quickfix window is opened.
Solution:   Save the new value before triggering the OptionSet autocommand.
            Add the "starting" flag to test_override() to make the text work.
This commit is contained in:
Bram Moolenaar
2017-06-25 20:57:18 +02:00
parent 774e5a9673
commit 182a17b1e8
4 changed files with 80 additions and 33 deletions
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13
runtime/doc/eval.txt
View File

@@ -1,4 +1,4 @@
*eval.txt* For Vim version 8.0. Last change: 2017 Jun 24
*eval.txt* For Vim version 8.0. Last change: 2017 Jun 25
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -7942,8 +7942,19 @@ test_override({name}, {val}) *test_override()*
name effect when {val} is non-zero ~
redraw disable the redrawing() function
char_avail disable the char_avail() function
starting reset the "starting" variable, see below
ALL clear all overrides ({val} is not used)
"starting" is to be used when a test should behave like
startup was done. Since the tests are run by sourcing a
script the "starting" variable is non-zero. This is usually a
good thing (tests run faster), but sometimes changes behavior
in a way that the test doesn't work properly.
When using: >
call test_override('starting', 1)
< The value of "starting" is saved. It is restored by: >
call test_override('starting', 0)
test_settime({expr}) *test_settime()*
Set the time Vim uses internally. Currently only used for
timestamps in the history, as they are used in viminfo, and

20
src/evalfunc.c
View File

@@ -12398,6 +12398,7 @@ f_test_override(typval_T *argvars, typval_T *rettv UNUSED)
{
char_u *name = (char_u *)"";
int val;
static int save_starting = -1;
if (argvars[0].v_type != VAR_STRING
|| (argvars[1].v_type) != VAR_NUMBER)
@@ -12411,10 +12412,29 @@ f_test_override(typval_T *argvars, typval_T *rettv UNUSED)
disable_redraw_for_testing = val;
else if (STRCMP(name, (char_u *)"char_avail") == 0)
disable_char_avail_for_testing = val;
else if (STRCMP(name, (char_u *)"starting") == 0)
{
if (val)
{
if (save_starting < 0)
save_starting = starting;
starting = 0;
}
else
{
starting = save_starting;
save_starting = -1;
}
}
else if (STRCMP(name, (char_u *)"ALL") == 0)
{
disable_char_avail_for_testing = FALSE;
disable_redraw_for_testing = FALSE;
if (save_starting >= 0)
{
starting = save_starting;
save_starting = -1;
}
}
else
EMSG2(_(e_invarg2), name);

78
src/option.c
View File

@@ -4294,6 +4294,32 @@ set_title_defaults(void)
}
#endif
#if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
static void
trigger_optionsset_string(
int opt_idx,
int opt_flags,
char_u *oldval,
char_u *newval)
{
if (oldval != NULL && newval != NULL)
{
char_u buf_type[7];
sprintf((char *)buf_type, "%s",
(opt_flags & OPT_LOCAL) ? "local" : "global");
set_vim_var_string(VV_OPTION_OLD, oldval, -1);
set_vim_var_string(VV_OPTION_NEW, newval, -1);
set_vim_var_string(VV_OPTION_TYPE, buf_type, -1);
apply_autocmds(EVENT_OPTIONSET,
(char_u *)options[opt_idx].fullname, NULL, FALSE, NULL);
reset_v_option_vars();
}
vim_free(oldval);
vim_free(newval);
}
#endif
/*
* Parse 'arg' for option settings.
*
@@ -4763,6 +4789,7 @@ do_set(
char_u *origval = NULL;
#if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
char_u *saved_origval = NULL;
char_u *saved_newval = NULL;
#endif
unsigned newlen;
int comma;
@@ -5114,14 +5141,21 @@ do_set(
# ifdef FEAT_CRYPT
&& options[opt_idx].indir != PV_KEY
# endif
&& origval != NULL)
&& origval != NULL && newval != NULL)
{
/* origval may be freed by
* did_set_string_option(), make a copy. */
saved_origval = vim_strsave(origval);
/* newval (and varp) may become invalid if the
* buffer is closed by autocommands. */
saved_newval = vim_strsave(newval);
}
#endif
/* Handle side effects, and set the global value for
* ":set" on local options. */
* ":set" on local options. Note: when setting 'syntax'
* or 'filetype' autocommands may be triggered that can
* cause havoc. */
errmsg = did_set_string_option(opt_idx, (char_u **)varp,
new_value_alloced, oldval, errbuf, opt_flags);
@@ -5130,28 +5164,14 @@ do_set(
{
#if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
vim_free(saved_origval);
vim_free(saved_newval);
#endif
goto skip;
}
#if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
if (saved_origval != NULL)
{
char_u buf_type[7];
sprintf((char *)buf_type, "%s",
(opt_flags & OPT_LOCAL) ? "local" : "global");
set_vim_var_string(VV_OPTION_NEW,
*(char_u **)varp, -1);
set_vim_var_string(VV_OPTION_OLD, saved_origval, -1);
set_vim_var_string(VV_OPTION_TYPE, buf_type, -1);
apply_autocmds(EVENT_OPTIONSET,
(char_u *)options[opt_idx].fullname,
NULL, FALSE, NULL);
reset_v_option_vars();
vim_free(saved_origval);
}
trigger_optionsset_string(opt_idx, opt_flags,
saved_origval, saved_newval);
#endif
}
else /* key code option */
{
@@ -5922,6 +5942,7 @@ set_string_option(
char_u *oldval;
#if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
char_u *saved_oldval = NULL;
char_u *saved_newval = NULL;
#endif
char_u *r = NULL;
@@ -5945,26 +5966,19 @@ set_string_option(
&& options[opt_idx].indir != PV_KEY
# endif
)
{
saved_oldval = vim_strsave(oldval);
saved_newval = vim_strsave(s);
}
#endif
if ((r = did_set_string_option(opt_idx, varp, TRUE, oldval, NULL,
opt_flags)) == NULL)
did_set_option(opt_idx, opt_flags, TRUE);
/* call autocommand after handling side effects */
#if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
if (saved_oldval != NULL)
{
char_u buf_type[7];
sprintf((char *)buf_type, "%s",
(opt_flags & OPT_LOCAL) ? "local" : "global");
set_vim_var_string(VV_OPTION_NEW, *varp, -1);
set_vim_var_string(VV_OPTION_OLD, saved_oldval, -1);
set_vim_var_string(VV_OPTION_TYPE, buf_type, -1);
apply_autocmds(EVENT_OPTIONSET, (char_u *)options[opt_idx].fullname, NULL, FALSE, NULL);
reset_v_option_vars();
vim_free(saved_oldval);
}
/* call autocommand after handling side effects */
trigger_optionsset_string(opt_idx, opt_flags,
saved_oldval, saved_newval);
#endif
}
return r;

2
src/version.c
View File

@@ -764,6 +764,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
676,
/**/
675,
/**/