From 453683bf44f2112719802eaac2b332d49eebd640 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Mon, 19 Aug 2024 15:03:56 -0700
Subject: Tuple swizzling, concat, comparison and `countof`. (#4856)

* Tuple swizzling and element access.

* Update proposal status.

* Cleanup.

* Fix merrge error.

* Address review.
---
 source/slang/slang-language-server-completion.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'source/slang/slang-language-server-completion.cpp')

diff --git a/source/slang/slang-language-server-completion.cpp b/source/slang/slang-language-server-completion.cpp
index b723e14b8..bee8f088a 100644
--- a/source/slang/slang-language-server-completion.cpp
+++ b/source/slang/slang-language-server-completion.cpp
@@ -674,6 +674,20 @@ List<LanguageServerProtocol::CompletionItem> CompletionContext::createSwizzleCan
             }
         }
     }
+    else if (auto tupleType = as<TupleType>(type))
+    {
+        auto count = Math::Min((int)elementCount[0], 4);
+        for (int i = 0; i < count; i++)
+        {
+            LanguageServerProtocol::CompletionItem item;
+            item.data = 0;
+            if (tupleType->getMember(i))
+                item.detail = tupleType->getMember(i)->toString();
+            item.kind = LanguageServerProtocol::kCompletionItemKindVariable;
+            item.label = String("_") + String(i);
+            result.add(item);
+        }
+    }
     for (auto& item : result)
     {
         for (auto ch : getCommitChars())
-- 
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