diff --git a/src/graphviz_parser.h b/src/graphviz_parser.h
new file mode 100644
index 00000000..25dffffb
--- /dev/null
+++ b/src/graphviz_parser.h
@@ -0,0 +1,8 @@
+#define	GRAPH_T	257
+#define	NODE_T	258
+#define	EDGE_T	259
+#define	DIGRAPH_T	260
+#define	EDGEOP_T	261
+#define	SUBGRAPH_T	262
+#define	ID_T	263
+