US Patent 10019244 Interpreting program code using a symbol table

Technology is described for executing program code in a service provider environment. Program code to be interpreted in the service provider environment may be identified. A symbol may be detected in the program code during execution of the program code. A data store in the service provider environment may be accessed to fetch a value corresponding to the symbol in the program code. The data store may include a plurality of symbols and corresponding values. The program code may be interpreted using the value fetched from the data store.