combined symbol table with IR in this branch

src/runner.h

@@ -64,6 +64,7 @@ TableNode *boo;
 TableNode *recprime;
 TableNode *funtypeprime;
 TableNode *undefined;
+extern Instruction* begin;
 
 int main(int argc, char *argv[]);
 int check_flag(char *arg, char *alpha);