parser skeleton

Author: lamg

go/internal/antlr4_sqlite_parser/README.md

@@ -2,8 +2,18 @@
 
 - Download Antlr4 https://www.antlr.org/download.html
 
+Generate parser:
+
 ```sh
 alias antlr='java -jar antlr-4.7-complete.jar'
-antlr -Dlanguage=Go SQLiteLexer.g4
-antlr -Dlanguage=Go SQLiteParser.g4
+antlr -Dlanguage=Go -package sqlite_parser SQLiteLexer.g4
+antlr -Dlanguage=Go -visitor  -no-listener -package sqlite_parser SQLiteParser.g4
+```
+
+Clean generated code:
+
+```sh
+rm *.interp *.tokens *.go
 ```
+
+More examples at https://blog.gopheracademy.com/advent-2017/parsing-with-antlr4-and-go/