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327

answers:

3

I am using ANTLR to generate Java source files. I can make Eclipse understand the generated files are derived, but it still gives me warnings about harmless things (e.g. unnecessary imports and so on). I would like to configure Eclipse to ignore derived files when showing warnings. Is this possible?

+2  A: 

You could put the derived or autogenerated files into a separate eclipse project and apply special project properties to that 'derived files' project, like to not show Warnings for unused imports.

Different settings in the same project for different packages or source folders are not possible, as far as I know.

Andreas_D
+4  A: 

I'm afraid that what you see (in the Preferences) is what you get.

However, if you're going to have ANTLR producing code for you anyway, why not go one step further and have your build script (ant, Maven, ...) wrap that code into a Jar for you? Set up that Jar file as your dependency in Eclipse and Eclipse won't have to look at the ugly auto-generated code and throw a fit about it.

Carl Smotricz
OK, that is what I ended up doing. Not overly elegant, but it works. And my OCD tendency to keep a warning-free workspace can continue. Thanks.
Gabe Johnson