patch 7.4.2170

Problem:    Cannot get information about timers.
Solution:   Add timer_info().

runtime/doc/eval.txt

@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 7.4.  Last change: 2016 Aug 02
+*eval.txt*	For Vim version 7.4.  Last change: 2016 Aug 06
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2339,6 +2339,7 @@ test_null_list()		List	null value for testing
 test_null_partial()		Funcref	null value for testing
 test_null_string()		String	null value for testing
 test_settime({expr})		none	set current time for testing
+timer_info([{id}])		List	information about timers
 timer_start({time}, {callback} [, {options}])
 				Number	create a timer
 timer_stop({timer})		none	stop a timer
@@ -3392,9 +3393,13 @@ exepath({expr})						*exepath()*
 		an empty string is returned.
 
 							*exists()*
-exists({expr})	The result is a Number, which is |TRUE| if {expr} is
-		defined, zero otherwise.  The {expr} argument is a string,
-		which contains one of these:
+exists({expr})	The result is a Number, which is |TRUE| if {expr} is defined,
+		zero otherwise.
+
+		For checking for a supported feature use |has()|.
+		For checking if a file exists use |filereadable()|.
+
+		The {expr} argument is a string, which contains one of these:
 			&option-name	Vim option (only checks if it exists,
 					not if it really works)
 			+option-name	Vim option that works.
@@ -3442,7 +3447,6 @@ exists({expr})	The result is a Number, which is |TRUE| if {expr} is
 					event and pattern.
 			##event		autocommand for this event is
 					supported.
-		For checking for a supported feature use |has()|.
 
 		Examples: >
 			exists("&shortname")
@@ -5476,7 +5480,8 @@ matchadd({group}, {pattern}[, {priority}[, {id}[, {dict}]]])
 		available from |getmatches()|.	All matches can be deleted in
 		one operation by |clearmatches()|.
 
-matchaddpos({group}, {pos}[, {priority}[, {id}[, {dict}]]])		*matchaddpos()*
+							*matchaddpos()*
+matchaddpos({group}, {pos}[, {priority}[, {id}[, {dict}]]])
 		Same as |matchadd()|, but requires a list of positions {pos}
 		instead of a pattern. This command is faster than |matchadd()|
 		because it does not require to handle regular expressions and
@@ -7536,6 +7541,23 @@ test_settime({expr})					*test_settime()*
 		{expr} must evaluate to a number.  When the value is zero the
 		normal behavior is restored.
 
+							*timer_info()*
+timer_info([{id}])
+		Return a list with information about timers.
+		When {id} is given only information about this timer is
+		returned.  When timer {id} does not exist an empty list is
+		returned.
+		When {id} is omitted information about all timers is returned.
+
+		For each timer the information is stored in a Dictionary with
+		these items:
+		    "id"	    the timer ID
+		    "time"	    time the timer was started with
+		    "remaining"	    time until the timer fires
+		    "repeat"	    number of times the timer will still fire;
+		    		    -1 means forever
+		    "callback"	    the callback
+
 							*timer_start()*
 timer_start({time}, {callback} [, {options}])
 		Create a timer and return the timer ID.
@@ -7566,7 +7588,7 @@ timer_start({time}, {callback} [, {options}])
 timer_stop({timer})					*timer_stop()*
 		Stop a timer.  The timer callback will no longer be invoked.
 		{timer} is an ID returned by timer_start(), thus it must be a
-		Number.
+		Number.  If {timer} does not exist there is no error.
 
 tolower({expr})						*tolower()*
 		The result is a copy of the String given, with all uppercase

src/evalfunc.c

@@ -396,6 +396,7 @@ static void f_tan(typval_T *argvars, typval_T *rettv);
 static void f_tanh(typval_T *argvars, typval_T *rettv);
 #endif
 #ifdef FEAT_TIMERS
+static void f_timer_info(typval_T *argvars, typval_T *rettv);
 static void f_timer_start(typval_T *argvars, typval_T *rettv);
 static void f_timer_stop(typval_T *argvars, typval_T *rettv);
 #endif
@@ -815,6 +816,7 @@ static struct fst
     {"test_null_string", 0, 0, f_test_null_string},
     {"test_settime",	1, 1, f_test_settime},
 #ifdef FEAT_TIMERS
+    {"timer_info",	0, 1, f_timer_info},
     {"timer_start",	2, 3, f_timer_start},
     {"timer_stop",	1, 1, f_timer_stop},
 #endif
@@ -11960,6 +11962,31 @@ free_callback(char_u *callback, partial_T *partial)
 #endif
 
 #ifdef FEAT_TIMERS
+/*
+ * "timer_info([timer])" function
+ */
+    static void
+f_timer_info(typval_T *argvars, typval_T *rettv)
+{
+    timer_T *timer = NULL;
+
+    if (rettv_list_alloc(rettv) != OK)
+	return;
+    if (argvars[0].v_type != VAR_UNKNOWN)
+    {
+	if (argvars[0].v_type != VAR_NUMBER)
+	    EMSG(_(e_number_exp));
+	else
+	{
+	    timer = find_timer((int)get_tv_number(&argvars[0]));
+	    if (timer != NULL)
+		add_timer_info(rettv, timer);
+	}
+    }
+    else
+	add_timer_info_all(rettv);
+}
+
 /*
  * "timer_start(time, callback [, options])" function
  */

src/ex_cmds2.c

@@ -1139,10 +1139,8 @@ create_timer(long msec, int repeat)
     timer->tr_id = ++last_timer_id;
     insert_timer(timer);
     if (repeat != 0)
-    {
 	timer->tr_repeat = repeat - 1;
-	timer->tr_interval = msec;
-    }
+    timer->tr_interval = msec;
 
     profile_setlimit(msec, &timer->tr_due);
     return timer;
@@ -1253,6 +1251,64 @@ stop_timer(timer_T *timer)
     free_timer(timer);
 }
 
+    void
+add_timer_info(typval_T *rettv, timer_T *timer)
+{
+    list_T	*list = rettv->vval.v_list;
+    dict_T	*dict = dict_alloc();
+    dictitem_T	*di;
+    long	remaining;
+    proftime_T	now;
+
+    if (dict == NULL)
+	return;
+    list_append_dict(list, dict);
+
+    dict_add_nr_str(dict, "id", (long)timer->tr_id, NULL);
+    dict_add_nr_str(dict, "time", (long)timer->tr_interval, NULL);
+
+    profile_start(&now);
+# ifdef WIN3264
+    remaining = (long)(((double)(timer->tr_due.QuadPart - now.QuadPart)
+					       / (double)fr.QuadPart) * 1000);
+# else
+    remaining = (timer->tr_due.tv_sec - now.tv_sec) * 1000
+			       + (timer->tr_due.tv_usec - now.tv_usec) / 1000;
+# endif
+    dict_add_nr_str(dict, "remaining", (long)remaining, NULL);
+
+    dict_add_nr_str(dict, "repeat",
+	       (long)(timer->tr_repeat < 0 ? -1 : timer->tr_repeat + 1), NULL);
+
+    di = dictitem_alloc((char_u *)"callback");
+    if (di != NULL)
+    {
+	if (dict_add(dict, di) == FAIL)
+	    vim_free(di);
+	else if (timer->tr_partial != NULL)
+	{
+	    di->di_tv.v_type = VAR_PARTIAL;
+	    di->di_tv.vval.v_partial = timer->tr_partial;
+	    ++timer->tr_partial->pt_refcount;
+	}
+	else
+	{
+	    di->di_tv.v_type = VAR_FUNC;
+	    di->di_tv.vval.v_string = vim_strsave(timer->tr_callback);
+	}
+	di->di_tv.v_lock = 0;
+    }
+}
+
+    void
+add_timer_info_all(typval_T *rettv)
+{
+    timer_T *timer;
+
+    for (timer = first_timer; timer != NULL; timer = timer->tr_next)
+	add_timer_info(rettv, timer);
+}
+
 /*
  * Mark references in partials of timers.
  */

src/proto/ex_cmds2.pro

@@ -22,6 +22,8 @@ timer_T *create_timer(long msec, int repeat);
 long check_due_timer(void);
 timer_T *find_timer(int id);
 void stop_timer(timer_T *timer);
+void add_timer_info(typval_T *rettv, timer_T *timer);
+void add_timer_info_all(typval_T *rettv);
 int set_ref_in_timer(int copyID);
 void timer_free_all(void);
 void profile_divide(proftime_T *tm, int count, proftime_T *tm2);

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2170,
 /**/
     2169,
 /**/