Binary package “antlr3-gcj” in ubuntu precise
language tool for constructing recognizers, compilers etc (native code)
ANTLR, ANother Tool for Language Recognition, (formerly PCCTS) 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].
.
This package contains the natively compiled code for use by gij.