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-rw-r--r--src/nvim/eval.c168
1 files changed, 168 insertions, 0 deletions
diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index 96c008b0e0..420a712e3e 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -79,6 +79,7 @@
#include "nvim/event/pty_process.h"
#include "nvim/event/rstream.h"
#include "nvim/event/wstream.h"
+#include "nvim/event/time.h"
#include "nvim/os/time.h"
#include "nvim/msgpack_rpc/channel.h"
#include "nvim/msgpack_rpc/server.h"
@@ -428,6 +429,14 @@ typedef struct {
int status;
} JobEvent;
+typedef struct {
+ TimeWatcher tw;
+ int timer_id;
+ int repeat_count;
+ bool stopped;
+ ufunc_T *callback;
+} timer_T;
+
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "eval.c.generated.h"
#endif
@@ -438,6 +447,9 @@ typedef struct {
static uint64_t current_job_id = 1;
static PMap(uint64_t) *jobs = NULL;
+static uint64_t last_timer_id = 0;
+static PMap(uint64_t) *timers = NULL;
+
static const char *const msgpack_type_names[] = {
[kMPNil] = "nil",
[kMPBoolean] = "boolean",
@@ -469,6 +481,7 @@ void eval_init(void)
vimvars[VV_VERSION].vv_nr = VIM_VERSION_100;
jobs = pmap_new(uint64_t)();
+ timers = pmap_new(uint64_t)();
struct vimvar *p;
init_var_dict(&globvardict, &globvars_var, VAR_DEF_SCOPE);
@@ -6667,6 +6680,7 @@ static struct fst {
{ "asin", 1, 1, f_asin }, // WJMc
{ "assert_equal", 2, 3, f_assert_equal },
{ "assert_exception", 1, 2, f_assert_exception },
+ { "assert_fails", 1, 2, f_assert_fails },
{ "assert_false", 1, 2, f_assert_false },
{ "assert_true", 1, 2, f_assert_true },
{ "atan", 1, 1, f_atan },
@@ -6930,6 +6944,8 @@ static struct fst {
{ "tempname", 0, 0, f_tempname },
{ "termopen", 1, 2, f_termopen },
{ "test", 1, 1, f_test },
+ { "timer_start", 2, 3, f_timer_start },
+ { "timer_stop", 1, 1, f_timer_stop },
{ "tolower", 1, 1, f_tolower },
{ "toupper", 1, 1, f_toupper },
{ "tr", 3, 3, f_tr },
@@ -7652,6 +7668,43 @@ static void f_assert_exception(typval_T *argvars, typval_T *rettv)
}
}
+/// "assert_fails(cmd [, error])" function
+static void f_assert_fails(typval_T *argvars, typval_T *rettv)
+{
+ char_u *cmd = get_tv_string_chk(&argvars[0]);
+ garray_T ga;
+
+ called_emsg = false;
+ suppress_errthrow = true;
+ emsg_silent = true;
+ do_cmdline_cmd((char *)cmd);
+ if (!called_emsg) {
+ prepare_assert_error(&ga);
+ ga_concat(&ga, (char_u *)"command did not fail: ");
+ ga_concat(&ga, cmd);
+ assert_error(&ga);
+ ga_clear(&ga);
+ } else if (argvars[1].v_type != VAR_UNKNOWN) {
+ char_u buf[NUMBUFLEN];
+ char *error = (char *)get_tv_string_buf_chk(&argvars[1], buf);
+
+ if (error == NULL
+ || strstr((char *)vimvars[VV_ERRMSG].vv_str, error) == NULL) {
+ prepare_assert_error(&ga);
+ fill_assert_error(&ga, &argvars[2], NULL, &argvars[1],
+ &vimvars[VV_ERRMSG].vv_tv);
+ assert_error(&ga);
+ ga_clear(&ga);
+ }
+ }
+
+ called_emsg = false;
+ suppress_errthrow = false;
+ emsg_silent = false;
+ emsg_on_display = false;
+ set_vim_var_string(VV_ERRMSG, NULL, 0);
+}
+
// Common for assert_true() and assert_false().
static void assert_bool(typval_T *argvars, bool is_true)
{
@@ -10688,6 +10741,7 @@ static void f_has(typval_T *argvars, typval_T *rettv)
"termguicolors",
"termresponse",
"textobjects",
+ "timers",
"title",
"user-commands", /* was accidentally included in 5.4 */
"user_commands",
@@ -16441,6 +16495,119 @@ static void f_tanh(typval_T *argvars, typval_T *rettv)
float_op_wrapper(argvars, rettv, &tanh);
}
+
+/// "timer_start(timeout, callback, opts)" function
+static void f_timer_start(typval_T *argvars, typval_T *rettv)
+{
+ long timeout = get_tv_number(&argvars[0]);
+ timer_T *timer;
+ int repeat = 1;
+ dict_T *dict;
+
+ rettv->vval.v_number = -1;
+
+ if (argvars[2].v_type != VAR_UNKNOWN) {
+ if (argvars[2].v_type != VAR_DICT
+ || (dict = argvars[2].vval.v_dict) == NULL) {
+ EMSG2(_(e_invarg2), get_tv_string(&argvars[2]));
+ return;
+ }
+ if (dict_find(dict, (char_u *)"repeat", -1) != NULL) {
+ repeat = get_dict_number(dict, (char_u *)"repeat");
+ }
+ }
+
+ if (argvars[1].v_type != VAR_FUNC && argvars[1].v_type != VAR_STRING) {
+ EMSG2(e_invarg2, "funcref");
+ return;
+ }
+ ufunc_T *func = find_ufunc(argvars[1].vval.v_string);
+ if (!func) {
+ // Invalid function name. Error already reported by `find_ufunc`.
+ return;
+ }
+ func->uf_refcount++;
+
+ timer = xmalloc(sizeof *timer);
+ timer->stopped = false;
+ timer->repeat_count = repeat;
+ timer->timer_id = last_timer_id++;
+ timer->callback = func;
+
+ time_watcher_init(&loop, &timer->tw, timer);
+ timer->tw.events = queue_new_child(loop.events);
+ // if main loop is blocked, don't queue up multiple events
+ timer->tw.blockable = true;
+ time_watcher_start(&timer->tw, timer_due_cb, timeout,
+ timeout * (repeat != 1));
+
+ pmap_put(uint64_t)(timers, timer->timer_id, timer);
+ rettv->vval.v_number = timer->timer_id;
+}
+
+
+// "timer_stop(timerid)" function
+static void f_timer_stop(typval_T *argvars, typval_T *rettv)
+{
+ if (argvars[0].v_type != VAR_NUMBER) {
+ EMSG(_(e_number_exp));
+ return;
+ }
+
+ timer_T *timer = pmap_get(uint64_t)(timers, get_tv_number(&argvars[0]));
+
+ if (timer == NULL) {
+ return;
+ }
+
+ timer_stop(timer);
+}
+
+// invoked on the main loop
+static void timer_due_cb(TimeWatcher *tw, void *data)
+{
+ timer_T *timer = (timer_T *)data;
+ if (timer->stopped) {
+ return;
+ }
+ // if repeat was negative repeat forever
+ if (timer->repeat_count >= 0 && --timer->repeat_count == 0) {
+ timer_stop(timer);
+ }
+
+ typval_T argv[1];
+ init_tv(argv);
+ argv[0].v_type = VAR_NUMBER;
+ argv[0].vval.v_number = timer->timer_id;
+ typval_T rettv;
+
+ init_tv(&rettv);
+ call_user_func(timer->callback, ARRAY_SIZE(argv), argv, &rettv,
+ curwin->w_cursor.lnum, curwin->w_cursor.lnum, NULL);
+ clear_tv(&rettv);
+}
+
+static void timer_stop(timer_T *timer)
+{
+ if (timer->stopped) {
+ // avoid double free
+ return;
+ }
+ timer->stopped = true;
+ time_watcher_stop(&timer->tw);
+ time_watcher_close(&timer->tw, timer_free_cb);
+}
+
+// invoked on next event loop tick, so queue is empty
+static void timer_free_cb(TimeWatcher *tw, void *data)
+{
+ timer_T *timer = (timer_T *)data;
+ queue_free(timer->tw.events);
+ user_func_unref(timer->callback);
+ pmap_del(uint64_t)(timers, timer->timer_id);
+ xfree(timer);
+}
+
/*
* "tolower(string)" function
*/
@@ -21851,6 +22018,7 @@ static void script_host_eval(char *name, typval_T *argvars, typval_T *rettv)
if (argvars[0].v_type != VAR_STRING) {
EMSG(_(e_invarg));
+ return;
}
list_T *args = list_alloc();