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vim/backport-patch-8.2.0035-saving-and-restoring-called_emsg-is-c.patch
shixuantong 2efed25d07 enable check
2022-09-06 17:18:05 +08:00

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From 53989554a44caca0964376d60297f08ec257c53c Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Mon, 23 Dec 2019 22:59:18 +0100
Subject: [PATCH] patch 8.2.0035: saving and restoring called_emsg is clumsy
Problem: Saving and restoring called_emsg is clumsy.
Solution: Count the number of error messages.
---
src/buffer.c | 12 ++++--------
src/channel.c | 6 ++----
src/drawscreen.c | 6 ++----
src/ex_cmds2.c | 2 +-
src/globals.h | 2 +-
src/gui.c | 7 ++-----
src/highlight.c | 8 ++------
src/main.c | 2 +-
src/message.c | 4 ++--
src/regexp.c | 9 ++++-----
src/search.c | 18 +++++++-----------
src/testing.c | 5 ++---
12 files changed, 30 insertions(+), 51 deletions(-)
diff --git a/src/buffer.c b/src/buffer.c
index f66c234..fd15424 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -3761,19 +3761,17 @@ maketitle(void)
if (stl_syntax & STL_IN_TITLE)
{
int use_sandbox = FALSE;
- int save_called_emsg = called_emsg;
+ int called_emsg_before = called_emsg;
# ifdef FEAT_EVAL
use_sandbox = was_set_insecurely((char_u *)"titlestring", 0);
# endif
- called_emsg = FALSE;
build_stl_str_hl(curwin, title_str, sizeof(buf),
p_titlestring, use_sandbox,
0, maxlen, NULL, NULL);
- if (called_emsg)
+ if (called_emsg > called_emsg_before)
set_string_option_direct((char_u *)"titlestring", -1,
(char_u *)"", OPT_FREE, SID_ERROR);
- called_emsg |= save_called_emsg;
}
else
#endif
@@ -3894,19 +3892,17 @@ maketitle(void)
if (stl_syntax & STL_IN_ICON)
{
int use_sandbox = FALSE;
- int save_called_emsg = called_emsg;
+ int called_emsg_before = called_emsg;
# ifdef FEAT_EVAL
use_sandbox = was_set_insecurely((char_u *)"iconstring", 0);
# endif
- called_emsg = FALSE;
build_stl_str_hl(curwin, icon_str, sizeof(buf),
p_iconstring, use_sandbox,
0, 0, NULL, NULL);
- if (called_emsg)
+ if (called_emsg > called_emsg_before)
set_string_option_direct((char_u *)"iconstring", -1,
(char_u *)"", OPT_FREE, SID_ERROR);
- called_emsg |= save_called_emsg;
}
else
#endif
diff --git a/src/channel.c b/src/channel.c
index 7edca1a..264c9f3 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -2370,17 +2370,15 @@ channel_exe_cmd(channel_T *channel, ch_part_T part, typval_T *argv)
if (STRCMP(cmd, "ex") == 0)
{
- int save_called_emsg = called_emsg;
+ int called_emsg_before = called_emsg;
- called_emsg = FALSE;
ch_log(channel, "Executing ex command '%s'", (char *)arg);
++emsg_silent;
do_cmdline_cmd(arg);
--emsg_silent;
- if (called_emsg)
+ if (called_emsg > called_emsg_before)
ch_log(channel, "Ex command error: '%s'",
(char *)get_vim_var_str(VV_ERRMSG));
- called_emsg = save_called_emsg;
}
else if (STRCMP(cmd, "normal") == 0)
{
diff --git a/src/drawscreen.c b/src/drawscreen.c
index 7425ad4..05cd5aa 100644
--- a/src/drawscreen.c
+++ b/src/drawscreen.c
@@ -651,14 +651,12 @@ win_redr_ruler(win_T *wp, int always, int ignore_pum)
#ifdef FEAT_STL_OPT
if (*p_ruf)
{
- int save_called_emsg = called_emsg;
+ int called_emsg_before = called_emsg;
- called_emsg = FALSE;
win_redr_custom(wp, TRUE);
- if (called_emsg)
+ if (called_emsg > called_emsg_before)
set_string_option_direct((char_u *)"rulerformat", -1,
(char_u *)"", OPT_FREE, SID_ERROR);
- called_emsg |= save_called_emsg;
return;
}
#endif
diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index 9a31887..4f8f7fb 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -167,7 +167,7 @@ check_due_timer(void)
// the current scope, such as being inside a try/catch.
timer_busy = timer_busy > 0 || vgetc_busy > 0;
vgetc_busy = 0;
- called_emsg = FALSE;
+ called_emsg = 0;
did_emsg = FALSE;
did_uncaught_emsg = FALSE;
must_redraw = 0;
diff --git a/src/globals.h b/src/globals.h
index 01ebbb8..5a040fc 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -226,7 +226,7 @@ EXTERN int did_uncaught_emsg; // emsg() was called and did not
#endif
EXTERN int did_emsg_syntax; // did_emsg set because of a
// syntax error
-EXTERN int called_emsg; // always set by emsg()
+EXTERN int called_emsg; // always incremented by emsg()
EXTERN int ex_exitval INIT(= 0); // exit value for ex mode
EXTERN int emsg_on_display INIT(= FALSE); // there is an error message
EXTERN int rc_did_emsg INIT(= FALSE); // vim_regcomp() called emsg()
diff --git a/src/gui.c b/src/gui.c
index 0a7f346..0d49670 100644
--- a/src/gui.c
+++ b/src/gui.c
@@ -3700,14 +3700,12 @@ get_tabline_label(
if (**opt != NUL)
{
int use_sandbox = FALSE;
- int save_called_emsg = called_emsg;
+ int called_emsg_before = called_emsg;
char_u res[MAXPATHL];
tabpage_T *save_curtab;
char_u *opt_name = (char_u *)(tooltip ? "guitabtooltip"
: "guitablabel");
- called_emsg = FALSE;
-
printer_page_num = tabpage_index(tp);
# ifdef FEAT_EVAL
set_vim_var_nr(VV_LNUM, printer_page_num);
@@ -3738,10 +3736,9 @@ get_tabline_label(
curwin = curtab->tp_curwin;
curbuf = curwin->w_buffer;
- if (called_emsg)
+ if (called_emsg > called_emsg_before)
set_string_option_direct(opt_name, -1,
(char_u *)"", OPT_FREE, SID_ERROR);
- called_emsg |= save_called_emsg;
}
// If 'guitablabel'/'guitabtooltip' is not set or the result is empty then
diff --git a/src/highlight.c b/src/highlight.c
index 83d3e21..2ae3160 100644
--- a/src/highlight.c
+++ b/src/highlight.c
@@ -4055,7 +4055,7 @@ next_search_hl(
linenr_T l;
colnr_T matchcol;
long nmatched;
- int save_called_emsg = called_emsg;
+ int called_emsg_before = called_emsg;
// for :{range}s/pat only highlight inside the range
if (lnum < search_first_line || lnum > search_last_line)
@@ -4081,7 +4081,6 @@ next_search_hl(
* Repeat searching for a match until one is found that includes "mincol"
* or none is found in this line.
*/
- called_emsg = FALSE;
for (;;)
{
# ifdef FEAT_RELTIME
@@ -4143,7 +4142,7 @@ next_search_hl(
if (regprog_is_copy)
cur->match.regprog = cur->hl.rm.regprog;
- if (called_emsg || got_int || timed_out)
+ if (called_emsg > called_emsg_before || got_int || timed_out)
{
// Error while handling regexp: stop using this regexp.
if (shl == search_hl)
@@ -4176,9 +4175,6 @@ next_search_hl(
break; // useful match found
}
}
-
- // Restore called_emsg for assert_fails().
- called_emsg = save_called_emsg;
}
/*
diff --git a/src/main.c b/src/main.c
index 72e51a3..eec02ea 100644
--- a/src/main.c
+++ b/src/main.c
@@ -4140,7 +4140,7 @@ cmdsrv_main(
if (xterm_dpy != NULL)
res = serverGetVimNames(xterm_dpy);
# endif
- if (called_emsg)
+ if (did_emsg)
mch_errmsg("\n");
}
else if (STRICMP(argv[i], "--servername") == 0)
diff --git a/src/message.c b/src/message.c
index 679a992..35a88df 100644
--- a/src/message.c
+++ b/src/message.c
@@ -581,7 +581,7 @@ ignore_error(char_u *msg)
#if !defined(HAVE_STRERROR) || defined(PROTO)
/*
* Replacement for perror() that behaves more or less like emsg() was called.
- * v:errmsg will be set and called_emsg will be set.
+ * v:errmsg will be set and called_emsg will be incremented.
*/
void
do_perror(char *msg)
@@ -620,7 +620,7 @@ emsg_core(char_u *s)
return msg_use_printf() ? FALSE : msg((char *)s);
#endif
- called_emsg = TRUE;
+ ++called_emsg;
#ifdef FEAT_EVAL
/* If "emsg_severe" is TRUE: When an error exception is to be thrown,
diff --git a/src/regexp.c b/src/regexp.c
index c2f29c8..37e00b8 100644
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -2561,7 +2561,7 @@ vim_regcomp(char_u *expr_arg, int re_flags)
{
regprog_T *prog = NULL;
char_u *expr = expr_arg;
- int save_called_emsg;
+ int called_emsg_before;
regexp_engine = p_re;
@@ -2597,8 +2597,7 @@ vim_regcomp(char_u *expr_arg, int re_flags)
/*
* First try the NFA engine, unless backtracking was requested.
*/
- save_called_emsg = called_emsg;
- called_emsg = FALSE;
+ called_emsg_before = called_emsg;
if (regexp_engine != BACKTRACKING_ENGINE)
prog = nfa_regengine.regcomp(expr,
re_flags + (regexp_engine == AUTOMATIC_ENGINE ? RE_AUTO : 0));
@@ -2629,13 +2628,13 @@ vim_regcomp(char_u *expr_arg, int re_flags)
* but are still valid patterns, thus a retry should work.
* But don't try if an error message was given.
*/
- if (regexp_engine == AUTOMATIC_ENGINE && !called_emsg)
+ if (regexp_engine == AUTOMATIC_ENGINE
+ && called_emsg == called_emsg_before)
{
regexp_engine = BACKTRACKING_ENGINE;
prog = bt_regengine.regcomp(expr, re_flags);
}
}
- called_emsg |= save_called_emsg;
if (prog != NULL)
{
diff --git a/src/search.c b/src/search.c
index 43b2e98..c3c975e 100644
--- a/src/search.c
+++ b/src/search.c
@@ -624,7 +624,7 @@ searchit(
long nmatched;
int submatch = 0;
int first_match = TRUE;
- int save_called_emsg = called_emsg;
+ int called_emsg_before = called_emsg;
#ifdef FEAT_SEARCH_EXTRA
int break_loop = FALSE;
#endif
@@ -654,7 +654,6 @@ searchit(
/*
* find the string
*/
- called_emsg = FALSE;
do // loop for count
{
// When not accepting a match at the start position set "extra_col" to
@@ -745,7 +744,7 @@ searchit(
#endif
);
// Abort searching on an error (e.g., out of stack).
- if (called_emsg
+ if (called_emsg > called_emsg_before
#ifdef FEAT_RELTIME
|| (timed_out != NULL && *timed_out)
#endif
@@ -1055,7 +1054,8 @@ searchit(
* specified, after an interrupt, after a match and after looping
* twice.
*/
- if (!p_ws || stop_lnum != 0 || got_int || called_emsg
+ if (!p_ws || stop_lnum != 0 || got_int
+ || called_emsg > called_emsg_before
#ifdef FEAT_RELTIME
|| (timed_out != NULL && *timed_out)
#endif
@@ -1082,7 +1082,7 @@ searchit(
if (extra_arg != NULL)
extra_arg->sa_wrapped = TRUE;
}
- if (got_int || called_emsg
+ if (got_int || called_emsg > called_emsg_before
#ifdef FEAT_RELTIME
|| (timed_out != NULL && *timed_out)
#endif
@@ -1096,8 +1096,6 @@ searchit(
vim_regfree(regmatch.regprog);
- called_emsg |= save_called_emsg;
-
if (!found) // did not find it
{
if (got_int)
@@ -4809,7 +4807,7 @@ is_zero_width(char_u *pattern, int move, pos_T *cur, int direction)
int nmatched = 0;
int result = -1;
pos_T pos;
- int save_called_emsg = called_emsg;
+ int called_emsg_before = called_emsg;
int flag = 0;
if (pattern == NULL)
@@ -4838,7 +4836,6 @@ is_zero_width(char_u *pattern, int move, pos_T *cur, int direction)
{
// Zero-width pattern should match somewhere, then we can check if
// start and end are in the same position.
- called_emsg = FALSE;
do
{
regmatch.startpos[0].col++;
@@ -4849,7 +4846,7 @@ is_zero_width(char_u *pattern, int move, pos_T *cur, int direction)
} while (direction == FORWARD ? regmatch.startpos[0].col < pos.col
: regmatch.startpos[0].col > pos.col);
- if (!called_emsg)
+ if (called_emsg == called_emsg_before)
{
result = (nmatched != 0
&& regmatch.startpos[0].lnum == regmatch.endpos[0].lnum
@@ -4857,7 +4854,6 @@ is_zero_width(char_u *pattern, int move, pos_T *cur, int direction)
}
}
- called_emsg |= save_called_emsg;
vim_regfree(regmatch.regprog);
return result;
}
diff --git a/src/testing.c b/src/testing.c
index f19481f..c0360e5 100644
--- a/src/testing.c
+++ b/src/testing.c
@@ -424,15 +424,15 @@ f_assert_fails(typval_T *argvars, typval_T *rettv)
char_u *cmd = tv_get_string_chk(&argvars[0]);
garray_T ga;
int save_trylevel = trylevel;
+ int called_emsg_before = called_emsg;
// trylevel must be zero for a ":throw" command to be considered failed
trylevel = 0;
- called_emsg = FALSE;
suppress_errthrow = TRUE;
emsg_silent = TRUE;
do_cmdline_cmd(cmd);
- if (!called_emsg)
+ if (called_emsg == called_emsg_before)
{
prepare_assert_error(&ga);
ga_concat(&ga, (char_u *)"command did not fail: ");
@@ -461,7 +461,6 @@ f_assert_fails(typval_T *argvars, typval_T *rettv)
}
trylevel = save_trylevel;
- called_emsg = FALSE;
suppress_errthrow = FALSE;
emsg_silent = FALSE;
emsg_on_display = FALSE;
--
2.33.0
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