An extensible Java pre-processor EPP available

  An extensible Java pre-processor, EPP, is available from
the following URL:


                http://www.etl.go.jp/~epp




What is EPP ?
-------------
  EPP is an extensible Java source-to-source pre-processor
which can introduce new language features.


The user can specify "EPP plug-ins" at the top of Java source code in
order to incorporate various extension for Java language. Emitted
source codes can be compiled by ordinary Java compilers, can be
debugged by ordinary Java debuggers.


Plug-ins can extend the syntax of Java by extending
the recursive descend parser in a differential manner.


These are examples of useful plug-ins:


                AutoSplitFiles More than one public classes in one file.
                defmacro Macro definition with the same style as #define .
                EmbedCopyright Embedding a message into all class files.
                enum Constant integer definition.
                OptParam Optional actual parameters.
                assert Assert macro.
                ...


EPP can also be used as an application framework of source code
manipulation tools such as source level optimizer, metrics tools,
obfuscating tools.


See the EPP page for more details.


---
Yuuji Ichisugi
  Computer Science Division
  Electrotechnical Laboratory
--

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