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-rw-r--r--src/nvim/eval.c57
-rw-r--r--src/nvim/eval/typval.c89
-rw-r--r--src/nvim/eval/typval.h27
-rw-r--r--src/nvim/os/env.c1
4 files changed, 111 insertions, 63 deletions
diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index d5624f354a..80278cf3bb 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -7706,6 +7706,11 @@ static void f_dictwatcheradd(typval_T *argvars, typval_T *rettv, FunPtr fptr)
if (argvars[0].v_type != VAR_DICT) {
emsgf(_(e_invarg2), "dict");
return;
+ } else if (argvars[0].vval.v_dict == NULL) {
+ const char *const arg_errmsg = _("dictwatcheradd() argument");
+ const size_t arg_errmsg_len = strlen(arg_errmsg);
+ emsgf(_(e_readonlyvar), (int)arg_errmsg_len, arg_errmsg);
+ return;
}
if (argvars[1].v_type != VAR_STRING && argvars[1].v_type != VAR_NUMBER) {
@@ -7725,11 +7730,8 @@ static void f_dictwatcheradd(typval_T *argvars, typval_T *rettv, FunPtr fptr)
return;
}
- DictWatcher *watcher = xmalloc(sizeof(DictWatcher));
- watcher->key_pattern = xmemdupz(key_pattern, key_pattern_len);
- watcher->callback = callback;
- watcher->busy = false;
- QUEUE_INSERT_TAIL(&argvars[0].vval.v_dict->watchers, &watcher->node);
+ tv_dict_watcher_add(argvars[0].vval.v_dict, key_pattern, key_pattern_len,
+ callback);
}
// dictwatcherdel(dict, key, funcref) function
@@ -7759,28 +7761,12 @@ static void f_dictwatcherdel(typval_T *argvars, typval_T *rettv, FunPtr fptr)
return;
}
- dict_T *dict = argvars[0].vval.v_dict;
- QUEUE *w = NULL;
- DictWatcher *watcher = NULL;
- bool matched = false;
- QUEUE_FOREACH(w, &dict->watchers) {
- watcher = tv_dict_watcher_node_data(w);
- if (callback_equal(&watcher->callback, &callback)
- && !strcmp(watcher->key_pattern, key_pattern)) {
- matched = true;
- break;
- }
- }
-
- callback_free(&callback);
-
- if (!matched) {
+ if (!tv_dict_watcher_remove(argvars[0].vval.v_dict, key_pattern,
+ strlen(key_pattern), callback)) {
EMSG("Couldn't find a watcher matching key and callback");
- return;
}
- QUEUE_REMOVE(w);
- tv_dict_watcher_free(watcher);
+ callback_free(&callback);
}
/*
@@ -16576,7 +16562,6 @@ bool callback_from_typval(Callback *const callback, typval_T *const arg)
return true;
}
-
/// Unref/free callback
void callback_free(Callback *const callback)
FUNC_ATTR_NONNULL_ALL
@@ -16601,28 +16586,6 @@ void callback_free(Callback *const callback)
callback->type = kCallbackNone;
}
-static bool callback_equal(Callback *cb1, Callback *cb2)
-{
- if (cb1->type != cb2->type) {
- return false;
- }
- switch (cb1->type) {
- case kCallbackFuncref:
- return STRCMP(cb1->data.funcref, cb2->data.funcref) == 0;
-
- case kCallbackPartial:
- // FIXME: this is inconsistent with tv_equal but is needed for precision
- // maybe change dictwatcheradd to return a watcher id instead?
- return cb1->data.partial == cb2->data.partial;
-
- case kCallbackNone:
- return true;
-
- default:
- abort();
- }
-}
-
bool callback_call(Callback *const callback, const int argcount_in,
typval_T *const argvars_in, typval_T *const rettv)
FUNC_ATTR_NONNULL_ALL
diff --git a/src/nvim/eval/typval.c b/src/nvim/eval/typval.c
index 57025250d4..243e738c50 100644
--- a/src/nvim/eval/typval.c
+++ b/src/nvim/eval/typval.c
@@ -790,7 +790,7 @@ long tv_list_idx_of_item(const list_T *const l, const listitem_T *const item)
/// Perform all necessary cleanup for a `DictWatcher` instance
///
/// @param watcher Watcher to free.
-void tv_dict_watcher_free(DictWatcher *watcher)
+static void tv_dict_watcher_free(DictWatcher *watcher)
FUNC_ATTR_NONNULL_ALL
{
callback_free(&watcher->callback);
@@ -798,6 +798,91 @@ void tv_dict_watcher_free(DictWatcher *watcher)
xfree(watcher);
}
+/// Add watcher to a dictionary
+///
+/// @param[in] dict Dictionary to add watcher to.
+/// @param[in] key_pattern Pattern to watch for.
+/// @param[in] key_pattern_len Key pattern length.
+/// @param callback Function to be called on events.
+void tv_dict_watcher_add(dict_T *const dict, const char *const key_pattern,
+ const size_t key_pattern_len, Callback callback)
+ FUNC_ATTR_NONNULL_ARG(2)
+{
+ DictWatcher *const watcher = xmalloc(sizeof(DictWatcher));
+ watcher->key_pattern = xmemdupz(key_pattern, key_pattern_len);
+ watcher->key_pattern_len = key_pattern_len;
+ watcher->callback = callback;
+ watcher->busy = false;
+ QUEUE_INSERT_TAIL(&dict->watchers, &watcher->node);
+}
+
+/// Check whether two callbacks are equal
+///
+/// @param[in] cb1 First callback to check.
+/// @param[in] cb2 Second callback to check.
+///
+/// @return True if they are equal, false otherwise.
+static bool tv_callback_equal(const Callback *const cb1,
+ const Callback *const cb2)
+ FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT
+{
+ if (cb1->type != cb2->type) {
+ return false;
+ }
+ switch (cb1->type) {
+ case kCallbackFuncref: {
+ return STRCMP(cb1->data.funcref, cb2->data.funcref) == 0;
+ }
+ case kCallbackPartial: {
+ // FIXME: this is inconsistent with tv_equal but is needed for precision
+ // maybe change dictwatcheradd to return a watcher id instead?
+ return cb1->data.partial == cb2->data.partial;
+ }
+ case kCallbackNone: {
+ return true;
+ }
+ }
+}
+
+/// Remove watcher from a dictionary
+///
+/// @param dict Dictionary to remove watcher from.
+/// @param[in] key_pattern Pattern to remove watcher for.
+/// @param[in] key_pattern_len Pattern length.
+/// @param callback Callback to remove watcher for.
+///
+/// @return True on success, false if relevant watcher was not found.
+bool tv_dict_watcher_remove(dict_T *const dict, const char *const key_pattern,
+ const size_t key_pattern_len,
+ Callback callback)
+ FUNC_ATTR_NONNULL_ARG(2)
+{
+ if (dict == NULL) {
+ return false;
+ }
+
+ QUEUE *w = NULL;
+ DictWatcher *watcher = NULL;
+ bool matched = false;
+ QUEUE_FOREACH(w, &dict->watchers) {
+ watcher = tv_dict_watcher_node_data(w);
+ if (tv_callback_equal(&watcher->callback, &callback)
+ && watcher->key_pattern_len == key_pattern_len
+ && memcmp(watcher->key_pattern, key_pattern, key_pattern_len) == 0) {
+ matched = true;
+ break;
+ }
+ }
+
+ if (!matched) {
+ return false;
+ }
+
+ QUEUE_REMOVE(w);
+ tv_dict_watcher_free(watcher);
+ return true;
+}
+
/// Test if `key` matches with with `watcher->key_pattern`
///
/// @param[in] watcher Watcher to check key pattern from.
@@ -810,7 +895,7 @@ static bool tv_dict_watcher_matches(DictWatcher *watcher, const char *const key)
// For now only allow very simple globbing in key patterns: a '*' at the end
// of the string means it should match everything up to the '*' instead of the
// whole string.
- const size_t len = strlen(watcher->key_pattern);
+ const size_t len = watcher->key_pattern_len;
if (len && watcher->key_pattern[len - 1] == '*') {
return strncmp(key, watcher->key_pattern, len - 1) == 0;
} else {
diff --git a/src/nvim/eval/typval.h b/src/nvim/eval/typval.h
index 791b191009..fa0105197f 100644
--- a/src/nvim/eval/typval.h
+++ b/src/nvim/eval/typval.h
@@ -59,6 +59,7 @@ typedef struct {
typedef struct dict_watcher {
Callback callback;
char *key_pattern;
+ size_t key_pattern_len;
QUEUE node;
bool busy; // prevent recursion if the dict is changed in the callback
} DictWatcher;
@@ -322,19 +323,6 @@ static inline bool tv_dict_is_watched(const dict_T *const d)
return d && !QUEUE_EMPTY(&d->watchers);
}
-static inline DictWatcher *tv_dict_watcher_node_data(QUEUE *q)
- REAL_FATTR_NONNULL_ALL REAL_FATTR_NONNULL_RET REAL_FATTR_PURE
- REAL_FATTR_WARN_UNUSED_RESULT;
-
-/// Compute the `DictWatcher` address from a QUEUE node.
-///
-/// This only exists for .asan-blacklist (ASAN doesn't handle QUEUE_DATA pointer
-/// arithmetic).
-static inline DictWatcher *tv_dict_watcher_node_data(QUEUE *q)
-{
- return QUEUE_DATA(q, DictWatcher, node);
-}
-
/// Initialize VimL object
///
/// Initializes to unlocked VAR_UNKNOWN object.
@@ -407,6 +395,19 @@ static inline bool tv_get_float_chk(const typval_T *const tv,
return false;
}
+static inline DictWatcher *tv_dict_watcher_node_data(QUEUE *q)
+ REAL_FATTR_NONNULL_ALL REAL_FATTR_NONNULL_RET REAL_FATTR_PURE
+ REAL_FATTR_WARN_UNUSED_RESULT REAL_FATTR_ALWAYS_INLINE;
+
+/// Compute the `DictWatcher` address from a QUEUE node.
+///
+/// This only exists for .asan-blacklist (ASAN doesn't handle QUEUE_DATA pointer
+/// arithmetic).
+static inline DictWatcher *tv_dict_watcher_node_data(QUEUE *q)
+{
+ return QUEUE_DATA(q, DictWatcher, node);
+}
+
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "eval/typval.h.generated.h"
#endif
diff --git a/src/nvim/os/env.c b/src/nvim/os/env.c
index ae69462055..a73d753e46 100644
--- a/src/nvim/os/env.c
+++ b/src/nvim/os/env.c
@@ -18,7 +18,6 @@
#include "nvim/eval.h"
#include "nvim/ex_getln.h"
#include "nvim/version.h"
-#include "nvim/fileio.h"
#ifdef WIN32
#include "nvim/mbyte.h" // for utf8_to_utf16, utf16_to_utf8
generated by cgit (git 2.34.1) at 2025-04-29 23:38:20 +0000