Allow parsing some SPIR-V enums in intrinsics (#3062)

* Add TokenReader::AdvanceIf overlaod for TokenType

* Add some spirv defs to parser

* Add comment

1 files changed, 9 insertions, 0 deletions

diff --git a/source/core/slang-token-reader.h b/source/core/slang-token-reader.h
index 264693c81..c4b552d29 100644
--- a/source/core/slang-token-reader.h
+++ b/source/core/slang-token-reader.h
@@ -262,6 +262,15 @@ namespace Misc {
             }
             return false;
         }
+        bool AdvanceIf(TokenType token)
+        {
+            if( LookAhead(token) )
+            {
+                ReadToken();
+                return true;
+            }
+            return false;
+        }
         bool IsEnd()
         {
             return tokenPtr == (int)tokens.getCount();