Ox is an attribute grammar compiling system that augments Lex and Yacc specifications with definitions of synthesized and inherited attributes written in a combination of Ox and C/C++ syntax. From these augmented specifications, Ox generates ordinary Lex and Yacc specifications that build and decorate attributed parse trees.
The user can specify parse-tree traversals for easy ordering of side effects such as code generation. Ox handles the tedious and error-prone details of writing code...
Sistema de reconocimiento de voz usando CMU Sphinx-4 y un modelo acústico basado en el corpus de VoxForge en español y gramáticas en JFlex y BYACC/J para el dictado en habla casi natural para la escritura de expresiones matemáticas.
Berkeley Yacc is an LALR(1) parser generator. Berkeley Yacc has been made
as compatible as possible with AT&T Yacc. Berkeley Yacc has been extended
to generate Python, Perl and Java code.
Perl Entrez Gene Parser project provides Perl parsers for NCBI's Entrez Gene based on regular expression, Parse::RecDescent, Parse::Yapp and Perl-byacc. Some can parse human genome annotations in minutes. Documentation and user guides are provided.