Language aliases support

[Alex]

Enry and Bblfsh use different language names and one driver is responsible for parsing multiple dialects.

Right now bblfsh can accept both bblfsh or enry language names (for most common cases), but returns always only bblfsh ones.

Initial RFC and implementation details are in mailing list

This issue is going to be used as ☂️ and all details from MailingList will be moved in here before actual work begins (current expectation is 2Q2019).

Driver → Language Aliases

• bash
  • shell
  • TODO: add more *sh that enry differenciate
• cpp
  • C
  • C++
• csharp
  • C#
• Go
• Java
• JavaScript
  • JSX
  • Javascript
• PHP
• Python
• Ruby
• TypeScript

This list covers 2 main cases:

1. enry <=> bblfshd language name mismatch (e.g C# vs charp)
2. Dialects supported by a single driver (e.g javascript-driver for JSX and js, cpp-driver for C\C++, bash-driver for *sh)

Relevant issues

• initial discussion bblfsh/bash-driver#39
• usage pattern 2 in client https://github.com/src-d/engine/issues/297
• usage pattern 2 in another client src-d/gitbase#728

[Maxim Sukharev]

List of affected projects:

• jgit-spark-connector
  • src-ml
    • apollo
  • gemini
• gitbase
  • gitbase-web
    • engine
  • gitbase-spark-connector
  • gitbase-spark-connector-enterprise
• engine (parse command)