K2: Update reference shortener to handle import alias

The existing reference shortener does not use import alias when it
shortens a symbol. Instead, it adds a new import directive for the
symbol that is already imported. This commit updates reference shortener
to let it reuse the existing import alias rather than adding a new one:

 1. When shortening a symbol, check whether the symbol is already
    imported.
 2. If it is already imported by an import alias, keep the symbol
    reference expression and the import alias as a string together in
    `ShortenCommand`.

The actual PSI update (shortening) based on the ShortenCommand is done
by IntelliJ.

^KTIJ-27205
This commit is contained in:
Jaebaek Seo
2023-10-03 12:19:24 -07:00
committed by teamcity
parent 02c12ae26f
commit e80f044847
24 changed files with 379 additions and 39 deletions
@@ -52,10 +52,7 @@ import org.jetbrains.kotlin.analysis.api.impl.base.test.cases.components.typePro
import org.jetbrains.kotlin.analysis.api.impl.base.test.cases.components.typeProvider.AbstractHasCommonSubtypeTest
import org.jetbrains.kotlin.analysis.api.impl.base.test.cases.components.typeProvider.AbstractTypeReferenceTest
import org.jetbrains.kotlin.analysis.api.impl.base.test.cases.references.AbstractReferenceImportAliasTest
import org.jetbrains.kotlin.analysis.api.impl.base.test.cases.references.AbstractReferenceResolveTest
import org.jetbrains.kotlin.analysis.api.impl.base.test.cases.references.AbstractReferenceResolveWithResolveExtensionTest
import org.jetbrains.kotlin.analysis.api.impl.base.test.cases.references.AbstractReferenceShortenerForWholeFileTest
import org.jetbrains.kotlin.analysis.api.impl.base.test.cases.references.AbstractReferenceShortenerTest
import org.jetbrains.kotlin.analysis.api.impl.base.test.cases.references.*
import org.jetbrains.kotlin.analysis.api.impl.base.test.cases.symbols.*
import org.jetbrains.kotlin.analysis.api.impl.base.test.cases.types.AbstractAnalysisApiSubstitutorsTest
import org.jetbrains.kotlin.analysis.api.impl.base.test.cases.types.AbstractBuiltInTypeTest