Install antlr4-doc by entering the following commands in the terminal:
sudo apt update sudo apt install antlr4-doc
ANTLR Parser Generator (documentation)
ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files. It's widely used to build languages, tools, and frameworks. From a grammar, ANTLR generates a parser that can build and walk parse trees. . This package provides the API documentation for ANTLR 4.