4 files changed, 43 insertions, 1 deletions
diff --git a/source/core/slang-castable-list-impl.cpp b/source/core/slang-castable-list-impl.cpp
index 56f8c7cae..dcc58e37b 100644
--- a/source/core/slang-castable-list-impl.cpp
+++ b/source/core/slang-castable-list-impl.cpp
@@ -3,7 +3,24 @@
 
 namespace Slang {
 
-    /* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! UnknownCastableAdapter !!!!!!!!!!!!!!!!!!!!!!!!!!! */
+/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! CastableUtil !!!!!!!!!!!!!!!!!!!!!!!!!!! */
+
+/* static */ComPtr<ICastable> CastableUtil::getCastable(ISlangUnknown* unk)
+{
+    SLANG_ASSERT(unk);
+    ComPtr<ICastable> castable;
+    if (SLANG_SUCCEEDED(unk->queryInterface(ICastable::getTypeGuid(), (void**)castable.writeRef())))
+    {
+        SLANG_ASSERT(castable);
+    }
+    else
+    {
+        castable = new UnknownCastableAdapter(unk);
+    }
+    return castable;
+}
+
+/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! UnknownCastableAdapter !!!!!!!!!!!!!!!!!!!!!!!!!!! */
 
 void* UnknownCastableAdapter::castAs(const Guid& guid)
 {
diff --git a/source/core/slang-castable-list-impl.h b/source/core/slang-castable-list-impl.h
index b578e8de4..2ce124ce7 100644
--- a/source/core/slang-castable-list-impl.h
+++ b/source/core/slang-castable-list-impl.h
@@ -79,6 +79,12 @@ protected:
     List<ICastable*> m_list;
 };
 
+struct CastableUtil
+{
+        /// Given an unk return as an unk
+    static ComPtr<ICastable> getCastable(ISlangUnknown* unk);
+};
+
 } // namespace Slang
 
 #endif
diff --git a/source/core/slang-io.cpp b/source/core/slang-io.cpp
index 17cd60160..a6e97057b 100644
--- a/source/core/slang-io.cpp
+++ b/source/core/slang-io.cpp
@@ -1,3 +1,5 @@
+#define _CRT_SECURE_NO_WARNINGS 1
+
 #include "slang-io.h"
 #include "slang-exception.h"
 
@@ -925,6 +927,20 @@ namespace Slang
         return SLANG_OK;
     }
     
+    /* static */SlangResult File::writeNativeText(const String& path, const void* data, size_t size)
+    {
+        FILE* file = fopen(path.getBuffer(), "w");
+        if (!file)
+        {
+            return SLANG_FAIL;
+        }
+
+        const auto count = fwrite(data, size, 1, file);
+        fclose(file);
+
+        return (count == 1) ? SLANG_OK : SLANG_FAIL;
+    }
+
     String URI::getPath() const
     {
         Index startIndex = uri.indexOf("://");
diff --git a/source/core/slang-io.h b/source/core/slang-io.h
index 4de246289..aa4ccae42 100644
--- a/source/core/slang-io.h
+++ b/source/core/slang-io.h
@@ -21,6 +21,9 @@ namespace Slang
 
         static SlangResult writeAllText(const String& fileName, const String& text);
 
+            /// Write as text in native form for the target (so typically may change line endings )
+        static SlangResult writeNativeText(const String& filename, const void* data, size_t size);
+
         static SlangResult writeAllBytes(const String& fileName, const void* data, size_t size);
         
         static SlangResult remove(const String& fileName);