JavaCC

JavaCC (Java Compiler Compiler) is an open source parser generator and lexical analyzer generator for the Java programming language. JavaCC is similar to yacc in that it generates a parser from a formal grammar written in EBNF notation, except the output is Java source code. Unlike yacc, however, JavaCC generates top-down parsers, which limits it to the LL(k) class of grammars (in particular, left recursion cannot be used). JavaCC also generates lexical analyzers in a fashion similar to lex. The tree builder that accompanies it, JJTree, constructs its trees from the bottom up.

JavaCC is licensed under a BSD license.

Read more about JavaCC:  History, Where Is It Used?

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JavaCC - Where Is It Used?
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