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The Java Compiler API

2 replies on 1 page. Most recent reply: Apr 6, 2007 8:38 PM by Mark Weiss

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Frank Sommers

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Nickname: fsommers
Registered: Jan, 2002

The Java Compiler API Posted: Apr 4, 2007 2:00 AM
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In this interview, Peter von der Ahé explains how the JSR 199 Compiler API opens the Java compiler up to a new class of developer tools that know a lot more about the code being edited. What sorts of features would you like to see in IDEs that can be made possible by the Compiler API?

Chris Adamson

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Nickname: invalidnam
Registered: Jan, 2007

Re: The Java Compiler API Posted: Apr 5, 2007 7:47 AM
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I've just started working with the compiler API for an AB5k desklet. It's a lot more than I need, but looking at the API, it's clear that they've anticipated some pretty elaborate uses and provide a significant amount of flexibility for those who are able and willing to take advantage of it. I'm not terribly satisfied with the documentation, though -- creating a compilation task takes an "options" parameter that I have yet to find documentation of.

Mark Weiss

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Nickname: marksw
Registered: Apr, 2007

Re: The Java Compiler API Posted: Apr 6, 2007 8:38 PM
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Could this API be used to create a dynamic extension to a running Java application, so that a module receives a block of code and generates a new class, which is then available to the running application? I'm thinking of an eval idea -- the ability to extend dynamically running Java applications. For example, by wrapping the above functionality, you could support something like Ruby's ability to dynamically extend a class -- a module could receive a class file and method code to be added (for example), combine them, and pass them to the API to parse and generate a new class. Then the newly created extended class is available in the same process.

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