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Re: [cdt-dev] Invalidating discovered scanner info after build settings have changed

Hi,

I've run into a similar problem with my AVR Plugin. As I found no way to selectively replace symbols I just clear the whole Discovered Paths and Symbols table and restart the ScannerConfigBuilder and the Indexer whenever the user changes the target MCU.

Take a look at the ScannerConfigUtil.java file from the AVR Eclipse Plugin. It uses tons of restricted API calls and there is no guarantee that it will work with future versions of CDT, but it seems to work with CDT 7.0 and 8.0.

Cheers,

Thomas


On 31.08.2011 19:02, Eugene Ostroukhov wrote:
It looks like symbols are not merged if I call ((PerProjectSICollector) collector).deleteAll(project); - but this does not update values on the Paths and Symbols project property page and does not refresh the editor/indexer.

Is there a way to refresh those when my project is rebuilt with the new settings?

On Wed, Aug 31, 2011 at 9:56 AM, Eugene Ostroukhov <eostroukhov@xxxxxxxxx> wrote:
In our IDE we need to update list of defines when user changes compiler settings. I.e. we have a target architecture macro that needs to contain proper version depending on compiler settings.

I created custom ScannerInfoProvider and ConsoleParser that properly invoke our tools to gather include paths and defines. I verified that the arrays they pass to IScannerInfoCollector are proper ones. I verified that if I quit the IDE, delete ${workspace}/.metadata/.plugin/org.eclipse.cdt.make.core/${project}.sc file the new macro values are proper.
The extension point uses CDT stock org.eclipse.cdt.make.internal.core.scannerconfig2.PerProjectSICollector that gathers the scanner information.

The problem I see is that new values do not replace the previous list but instead get merged together - i.e. our __ARCH__ macro now is marked as having two active values. Is there a way to override symbols instead of merging with them? Can I reuse PerProjectSICollector (it does the merge in definedSymbolsNeedUpdate) or the only way is to create our own?

Best regards,
Eugene



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