JDT without Eclipse?

By | January 12, 2018
Questions:

Some time ago I wrote an Eclipse plugin which makes use of JDT to do some parsing. Now I am thinking of making a command-line version of this app. Naturally, I hope to reuse the parsing code, so I need to get JDT to work outside Eclipse. Is there any way I can accomplish this (maybe build some wrappers, etc)? Are there any ports of the JDT library that provide the same API / functionality but work independently of Eclipse?

Any help will be greatly appreciated. Thanks.

Answers:

The JDT is divided into two distinct parts. The parsing parts should all be in plugins which have no UI-dependencies at all. I think they do have a dependency on the Eclipse runtime, which means that you more or less need to create a “headless RCP application”.

Questions:
Answers:

You can use JDT Core in the command line. Parsing, AST, rewriting everything can be done without the UI.

Questions:
Answers:

In order to be able to use AST classes in a stand alone application you have to use such libraries (where xx stands for version):

org.eclipse.core.contenttype_xx.jar
org.eclipse.core.jobs_xx.jar
org.eclipse.core.resources_xx.jar
org.eclipse.core.runtime_xx.jar
org.eclipse.equinox.common_xx.jar
org.eclipse.equinox.preferences_xx.jar
org.eclipse.jdt.core_xx.jar
org.eclipse.osgi_xx.jar

If you installed eclipse with JDT all those jars are in eclipse’s plugin folder for example in Windows it could be in C:\Program Files\eclipse\plugins\

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