Re: How Can I Make a Compiler With Java?

Kevin Albrecht <kevalb@earthlink.net> wrote:
>I would like to create a compiler and/or interpreter in Java for a program-
>ming language that I have created.


JavaCC and ANTLR are parser-generators. They make it easier to build
a parser for your language, and (for example) turn programs into
Abstract Syntax Trees (AST).


For actually running your programs once you have an AST, may I plug
Kawa? This includes the package gnu.bytecode, which makes it
relatively easy to compile into Java bytecodes, which can then be run
by any Java VM. Kawa is a more-or-less complete implementation of
Scheme, so it includes a lot of classes that might be useful in
implementing other languages. (Supporting other languages is one of
the long-term goals of Kawa.)


See http://www.cygnus.com/~bothner/kawa.html for information on Kawa
(version 1.5). A more recent snapshot (which uses some JDK 1.1
features) is in ftp://ftp.cygnus.com/pub/bothner/kawa-1.5.90.tar.gz.
--
--Per Bothner
Cygnus Solutions bothner@cygnus.com http://www.cygnus.com/~bothner
--

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