Discovering_more_with_an_example
    1_The_parse_tree
    2_Parsing_our_design
        2.1_The_parsing_scripts_that_read_tokens
        2.2_The_parsing_scripts_that_describe_a_BNF_syntax
    3_Decorating_the_parse_tree
    4_Generating_code
        4.1_C++_classes
        4.2_JAVA_classes
    5_Expanding_a_file
    6_Translating_a_file
        6.1_Design_of_a_solar_system
            6.1.1_Planet
            6.1.2_Earth
            6.1.3_SolarSystem
    7_The_debugger
    8_Scripts_coverage_and_time_consuming
    9_Translating_interpreted_scripts_to_C++_source_code