Report error on nested functions. (#5792)

* Report error on nested functions.

* Fix.

---------

Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/source/slang/slang-parser.cpp b/source/slang/slang-parser.cpp
index 8fb3be39c..172e3130f 100644
--- a/source/slang/slang-parser.cpp
+++ b/source/slang/slang-parser.cpp
@@ -5783,6 +5783,27 @@ DeclStmt* Parser::parseVarDeclrStatement(Modifiers modifiers)
     FillPosition(varDeclrStatement);
     auto decl = ParseDeclWithModifiers(this, currentScope->containerDecl, modifiers);
     varDeclrStatement->decl = decl;
+
+    if (as<VarDeclBase>(decl))
+    {
+    }
+    else if (as<DeclGroup>(decl))
+    {
+    }
+    else if (as<AggTypeDecl>(decl))
+    {
+    }
+    else if (as<TypeDefDecl>(decl))
+    {
+    }
+    else if (as<UsingDecl>(decl))
+    {
+    }
+    else
+    {
+        sink->diagnose(decl->loc, Diagnostics::declNotAllowed, decl->astNodeType);
+    }
+
     return varDeclrStatement;
 }