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-rw-r--r--src/nvim/eval/user_funcs.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/nvim/eval/user_funcs.c b/src/nvim/eval/user_funcs.c
index b3706c7754..7b13b0c539 100644
--- a/src/nvim/eval/user_funcs.c
+++ b/src/nvim/eval/user_funcs.c
@@ -2607,6 +2607,22 @@ void func_ptr_ref(ufunc_T *fp)
}
}
+/// Check whether funccall is still referenced outside
+///
+/// It is supposed to be referenced if either it is referenced itself or if l:,
+/// a: or a:000 are referenced as all these are statically allocated within
+/// funccall structure.
+static inline bool fc_referenced(const funccall_T *const fc)
+ FUNC_ATTR_ALWAYS_INLINE FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
+ FUNC_ATTR_NONNULL_ALL
+{
+ return ((fc->l_varlist.lv_refcount // NOLINT(runtime/deprecated)
+ != DO_NOT_FREE_CNT)
+ || fc->l_vars.dv_refcount != DO_NOT_FREE_CNT
+ || fc->l_avars.dv_refcount != DO_NOT_FREE_CNT
+ || fc->fc_refcount > 0);
+}
+
/// @return true if items in "fc" do not have "copyID". That means they are not
/// referenced from anywhere that is in use.
static int can_free_funccal(funccall_T *fc, int copyID)