- The parser is brokend up into over 20 files, that handle different parts of the parsing process.

- ```parser.js``` is where the different modules come together to build the final tree output.

- ```rearrange``` are a group of functions that take the original tokens from the lexer and rearrange them in a manner that is conducive to building the AST so that it produces the equivalent JavaScript output of the Swift input.

Note about the CLI