AWSIM-Script

A script language for Autoware AWSIM-Labs

ANTLR

check out it here: https://www.antlr.org/

Some good tutorials I found:

https://putridparrot.com/blog/antlr-in-c/ (recommended since it provides detailed code)

https://tomassetti.me/getting-started-with-antlr-in-csharp/

Generate code from grammar file (.b4) file

If you curious how did I generate C# code (in generated_code folder), check out these:

https://github.com/antlr/antlr4/blob/master/doc/csharp-target.md

https://github.com/antlr/antlr4/tree/master/runtime/CSharp/src

ANTLR grammar

The syntax used in grammar file is close to BNF, you can quickly check it by Google. Wiki also does a good job:

https://en.wikipedia.org/wiki/Backus%E2%80%93Naur_form

Follow

• First, check out the example input file inputs/input.txt.

• Understand the crafted grammar in grammar/AWSIMScriptGrammar.g4 file. Note that it likely the case that we need to update this grammar later.

• Understand basic algorithm to visit tree (listener, visitor).

• Start implementing