From ab41d548db376c6b52869004d1b6e21b88b4c9c8 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Tue, 6 Feb 2024 16:30:31 -0800
Subject: Improve Capability System (#3555)

* Improve capability system.

* Update documentation.

* Tuning semantics.

* LSP: hierarchical diagnostics.

* Fix test.

* Fix test.
---
 source/slang/slang-syntax.cpp | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'source/slang/slang-syntax.cpp')

diff --git a/source/slang/slang-syntax.cpp b/source/slang/slang-syntax.cpp
index ab0dfcd74..b6fd8936e 100644
--- a/source/slang/slang-syntax.cpp
+++ b/source/slang/slang-syntax.cpp
@@ -17,7 +17,10 @@ void printDiagnosticArg(StringBuilder& sb, Decl* decl)
 {
     if (!decl)
         return;
-    sb << getText(decl->getName());
+    if (decl->getName() && decl->getName()->text.getLength())
+        sb << getText(decl->getName());
+    else
+        printDiagnosticArg(sb, decl->astNodeType);
 }
 
 void printDiagnosticArg(StringBuilder& sb, DeclRefBase* declRefBase)
@@ -92,6 +95,7 @@ void printDiagnosticArg(StringBuilder& sb, ASTNodeType nodeType)
         case ASTNodeType::EmptyDecl: sb << "empty"; break;
         case ASTNodeType::SyntaxDecl: sb << "syntax"; break;
         case ASTNodeType::DeclGroup: sb << "decl-group"; break;
+        case ASTNodeType::RequireCapabilityDecl: sb << "__require_capability"; break;
         default: sb << "decl"; break;
     }
 }
@@ -862,6 +866,18 @@ Decl* getParentDecl(Decl* decl)
     return decl;
 }
 
+Decl* getParentAggTypeDecl(Decl* decl)
+{
+    decl = decl->parentDecl;
+    while (decl)
+    {
+        if (as<AggTypeDecl>(decl))
+            return decl;
+        decl = decl->parentDecl;
+    }
+    return nullptr;
+}
+
 Decl* getParentFunc(Decl* decl)
 {
     while (decl)
-- 
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