Compute transitions for regex pattern rules

spec/lr/parse_table_spec.cpp

@@ -1,7 +1,10 @@
 #include "spec_helper.h"
+#include "../test_grammars/arithmetic.h"
 
+using namespace tree_sitter::lr;
 
-Describe(parse_table_construction) {
-    Describe(the_starting_state) {
+Describe(build_parse_tables) {
+    Describe(lexing_tables) {
+        
     };
 };