From 15f45c258f4ae0734f4b457caa2733c5ce763314 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D0=BB=D0=B5=D0=BA=D1=81=D0=B0=D0=BD=D0=B4=D1=80=20?=
 =?UTF-8?q?=D0=97=D0=B5=D0=BC=D0=BB=D1=8F=D0=BA?= <zemlyaksanya@mail.ru>
Date: Sun, 10 May 2026 22:32:04 +0300
Subject: [PATCH] Fix cast operation check in Intellisense
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Неправильная проверка для случая пустого массива names приводила к отсутствию подсказки по наведению на функцию Filter класса DataFrame.
---
 CodeCompletion/ExpressionVisitor.cs | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/CodeCompletion/ExpressionVisitor.cs b/CodeCompletion/ExpressionVisitor.cs
index 37de377ed..c6be312f2 100644
--- a/CodeCompletion/ExpressionVisitor.cs
+++ b/CodeCompletion/ExpressionVisitor.cs
@@ -1160,7 +1160,16 @@ namespace CodeCompletion
             _method_call.dereferencing_value.visit(this);
             search_all = false;
             SymScope[] names = returned_scopes.ToArray();
-            if (names.Length > 0 && names[0] is ElementScope && (names[0] as ElementScope).sc is TypeScope && ((names[0] as ElementScope).sc as TypeScope).IsDelegate)
+
+            // Не нашли кандидатов - возврат
+            if (names.Length == 0)
+            {
+                returned_scope = null;
+                method_call_cache[_method_call] = null;
+                return;
+            }
+
+            if (names[0] is ElementScope && (names[0] as ElementScope).sc is TypeScope && ((names[0] as ElementScope).sc as TypeScope).IsDelegate)
             {
                 returned_scope = names[0];
                 method_call_cache[_method_call] = returned_scope;
@@ -1211,7 +1220,7 @@ namespace CodeCompletion
             }
             ProcScope ps = select_method(names, null, null, obj, _method_call.parameters != null ? _method_call.parameters.expressions.ToArray() : null);
             returned_scope = ps;
-            if (ps == null && names.Length > 0)
+            if (ps == null)
             {
                 returned_scope = null;