From ba6f55ed9481960b4f6c7f0a6b8f1cf7d450c752 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 24 Aug 2022 12:05:19 -0700
Subject: Allow `static const` interface requirements. (#2378)

---
 source/slang/slang-ast-decl.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'source/slang/slang-ast-decl.cpp')

diff --git a/source/slang/slang-ast-decl.cpp b/source/slang/slang-ast-decl.cpp
index edc79c030..2df9164fb 100644
--- a/source/slang/slang-ast-decl.cpp
+++ b/source/slang/slang-ast-decl.cpp
@@ -18,4 +18,18 @@ const TypeExp& TypeConstraintDecl::_getSupOverride() const
 }
 
 
+bool isInterfaceRequirement(Decl* decl)
+{
+    auto ancestor = decl->parentDecl;
+    for (; ancestor; ancestor = ancestor->parentDecl)
+    {
+        if (as<InterfaceDecl>(ancestor))
+            return true;
+
+        if (as<ExtensionDecl>(ancestor))
+            return false;
+    }
+    return false;
+}
+
 } // namespace Slang
-- 
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