MIDL file parser

This crate parses MIDL files (format is based on a subset of protobuf) to generate a frodobuf Schema.

Differences between MIDL and Protobuf syntax are documented in ChangesFromProtobuf

Acknowledgement

The parser was originally forked from

lib.rs:

Parser for MIDL files

The parser in this crate is based on a protobuf parser github.com/stepancheg/rust-protobuf