Peter Gromov

Created May 27, 2015 10:34

PSI tree is partially or fully replaced on document commit.The result you cache may depend on different things, and different strategies can be used. If it depends just on the subtree structure, yo...

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Created May 28, 2015 14:48

PsiReference.bindToElement should be invoked on target move.

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Created June 01, 2015 08:20

The answer at https://devnet.jetbrains.com/message/5542932#5542932 is also applicable here

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Created June 23, 2015 12:17

Word scanner is needed to index the identifiers in your files for Find Usages to find them later. If you index some other words like identifiers, it probably won't do harm. So I'd suggest to write ...

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Created June 23, 2015 18:00

Well, WordOccurrence requires correct start and end offsets, so Foo and Bar should be within the file's text. Otherwise it doesn't matter how it works exactly.

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Created April 27, 2015 05:58

You can create another result set + prefix matcher by calling CompletionResultSet#withPrefixMatcher and passing all the lookup element to the resulting CompletionResultSet.

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Created April 27, 2015 06:00

It is possible (via com.intellij.lang.ASTFactory#createLeaf, see IDEA source for examples). But there's rarely need for it. Usually it's composite elements that contain logic and represent program'...

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Created June 07, 2016 09:04

A language is registered when its constructor is called. You can try to debug and see which happens first: your Language class constructor or findInstance.

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Created June 06, 2016 20:17

I can only guess. It might be that SimpleLanguage isn't registered yet when you invoke findInstance due to some JVM class initialization peculiarities.

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Created June 06, 2016 17:58

Invoking psi.getContext in a loop (orPsiTreeUtil.getContextOfType) will eventually switch from injected to host PSI.

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