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Programatically read and update macros in a header file [message #1769742]

Thu, 03 August 2017 02:27

Eclipse User

I need to create a view where user can READ and UPDATE the macro values in a header file of a C application.

Is there an efficient way for Eclipse CDT to programmatically READ and MODIFY the macro definitions in a header file of a C application? How? Or do I have to manually read, parse and update the file?

Re: Programatically read and update macros in a header file [message #1769790 is a reply to message #1769742]

Thu, 03 August 2017 08:11

Eclipse User

:-) Actually I have a better place to ask questions like this, the cdt-dev mailing list:

Quote:

questions regarding CDT guts and extending CDT should be asked on
cdt-dev mailing list, it is intention on this list

https://dev.eclipse.org/mhonarc/lists/cdt-dev/msg32224.html

Sign-up here https://dev.eclipse.org/mailman/listinfo/cdt-dev

Re: Programatically read and update macros in a header file [message #1769854 is a reply to message #1769790]

Fri, 04 August 2017 04:44

Eclipse User

Thanks, found out its possible to read the macros in a file via IIndexManager or via ITranslationUnit. However, both classes do not seem to provide a way to update the macro values to a file.

Re: Programatically read and update macros in a header file [message #1769856 is a reply to message #1769854]

Fri, 04 August 2017 04:53

Eclipse User

Working in the same way as refactoring does you can edit the file. Its not my area (so I don't know limitations). I see you have posted to cdt-dev, hopefully you can get a better quality answer there.

Re: Programatically read and update macros in a header file [message #1769976 is a reply to message #1769856]

Mon, 07 August 2017 05:00

Eclipse User

Using the CRefactoring class is not appropriate for my case because I will be providing my own view. (I think it was you who mentioned that in some thread long ago). Anyway, I tried using ASTRewrite instead but ASTRewrite does not support rewriting preprocessor statements yet. Can you confirm this? Thanks.

Re: Programatically read and update macros in a header file [message #1770014 is a reply to message #1769976]

Mon, 07 August 2017 10:02

Eclipse User

Hi, I can't confirm because I don't know. Nate or Doug on the cdt-dev list should hopefully know.

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