antlr-doc 2.7.7+dfsg-9.2 (s390x binary) in ubuntu bionic

 This package contains the documentation and examples for antlr.
 ANTLR stands for ANother Tool for Language Recognition,
 (formerly PCCTS). It is a language tool that provides a framework
 for constructing recognizers, compilers, and translators from
 grammatical descriptions containing C++ or Java actions
 [You can use PCCTS 1.xx to generate C-based parsers].
 .
 See antlr package for a complete description