FIR: split transformer into three (imports / types / descriptors)

compiler/tests/org/jetbrains/kotlin/fir/AbstractFirResolveTestCase.kt

@@ -6,10 +6,11 @@
 package org.jetbrains.kotlin.fir
 
 import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
-import org.jetbrains.kotlin.descriptors.FirClassifierResolveTransformer
+import org.jetbrains.kotlin.descriptors.FirTotalResolveTransformer
 import org.jetbrains.kotlin.fir.builder.RawFirBuilder
-import org.jetbrains.kotlin.fir.declarations.FirFile
-import org.jetbrains.kotlin.fir.resolve.*
+import org.jetbrains.kotlin.fir.resolve.FirProvider
+import org.jetbrains.kotlin.fir.resolve.FirQualifierResolver
+import org.jetbrains.kotlin.fir.resolve.FirTypeResolver
 import org.jetbrains.kotlin.fir.resolve.impl.FirProviderImpl
 import org.jetbrains.kotlin.fir.resolve.impl.FirQualifierResolverImpl
 import org.jetbrains.kotlin.fir.resolve.impl.FirTypeResolverImpl
@@ -47,13 +48,13 @@ abstract class AbstractFirResolveTestCase : KotlinTestWithEnvironment() {
 
         val builder = RawFirBuilder(session)
 
-        val transformer = FirClassifierResolveTransformer()
+        val transformer = FirTotalResolveTransformer()
         val firFiles = ktFiles.map {
             val firFile = builder.buildFirFile(it)
             (session.service<FirProvider>() as FirProviderImpl).recordFile(firFile)
             firFile
-        }.onEach {
-            it.transform<FirFile, Nothing?>(transformer, null)
+        }.also {
+            transformer.processFiles(it)
         }
 
         val firFileDump = StringBuilder().also { firFiles.first().accept(FirRenderer(it), null) }.toString()

compiler/tests/org/jetbrains/kotlin/fir/FirResolveTestCaseGenerated.java

@@ -51,6 +51,12 @@ public class FirResolveTestCaseGenerated extends AbstractFirResolveTestCase {
             KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/fir/resolve/multifile"), Pattern.compile("^([^.]+)\\.kt$"), TargetBackend.ANY, true);
         }
 
+        @TestMetadata("simpleAliasedImport.kt")
+        public void testSimpleAliasedImport() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/fir/resolve/multifile/simpleAliasedImport.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("simpleImport.kt")
         public void testSimpleImport() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/fir/resolve/multifile/simpleImport.kt");