Antlr4 Learn

1. Install Antlr4 Tools on MacOS 2. pip3 install antlr4-tools

2. Clone Antlr4 Repository 3. URL: git clone git@github.com:antlr/grammars-v4.git

3. Getting Started with Antlr4 4. URL: https://github.com/antlr/antlr4/blob/master/doc/getting-started.md 5. Java Target: https://github.com/antlr/antlr4/blob/master/doc/java-target.md

4. Go to Antlr4-Lab

5. Introduce to Grammar File 6. ```antlrv4 /** Optional javadoc style comment */ [lexer|parser] grammar Name; options {...} import ...; tokens {...} channels {...} // lexer only @actionName {...} rule1 // parser and lexer rules, possibly intermingled ... ruleN

References

1. The Definitive ANTLR 4 Reference
2. Antlr4 Documentation
3. Antlr4 issue list
4. RRD for Antlr4
5. RRD for Antlr4 Maven Plugin