[Analysis API] fix getScopeContextForFile and clarify its semantic

It was used to get importing scope, so it was renamed to getImportingScopeContext.

It was broken after changing the behaviour of `LowLevelFirApiFacadeForResolveOnAir.onAirGetTowerContextProvider` for the whole file

^KT-57966

analysis/analysis-api-fe10/src/org/jetbrains/kotlin/analysis/api/descriptors/components/KtFe10ScopeProvider.kt

@@ -210,6 +210,13 @@ internal class KtFe10ScopeProvider(
         return KtScopeContext(listOf(KtScopeWithKind(compositeScope, scopeKind, token)), collectImplicitReceivers(fileScope), token)
     }
 
+    override fun getImportingScopeContext(file: KtFile): KtScopeContext {
+        val importingScopes = getScopeContextForPosition(originalFile = file, positionInFakeFile = file)
+            .scopes
+            .filter { it.kind is KtScopeKind.ImportingScope }
+        return KtScopeContext(importingScopes, _implicitReceivers = emptyList(), token)
+    }
+
     private inline fun <reified T : DeclarationDescriptor> getDescriptor(symbol: KtSymbol): T? {
         return when (symbol) {
             is KtFe10DescSymbol<*> -> symbol.descriptor as? T

analysis/analysis-api-fe10/src/org/jetbrains/kotlin/analysis/api/descriptors/scopes/KtFe10ScopeResolution.kt

@@ -17,12 +17,10 @@ import org.jetbrains.kotlin.analysis.api.symbols.KtCallableSymbol
 import org.jetbrains.kotlin.analysis.api.symbols.KtClassifierSymbol
 import org.jetbrains.kotlin.analysis.api.symbols.KtConstructorSymbol
 import org.jetbrains.kotlin.analysis.api.symbols.KtPackageSymbol
+import org.jetbrains.kotlin.analysis.api.symbols.markers.KtPossiblyNamedSymbol
 import org.jetbrains.kotlin.descriptors.ConstructorDescriptor
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter
-import org.jetbrains.kotlin.resolve.scopes.LexicalScope
-import org.jetbrains.kotlin.resolve.scopes.MemberScope
-import org.jetbrains.kotlin.resolve.scopes.ResolutionScope
+import org.jetbrains.kotlin.resolve.scopes.*
 
 internal abstract class KtFe10ScopeResolution : KtScope, KtLifetimeOwner {
     abstract val analysisContext: Fe10AnalysisContext
@@ -90,4 +88,19 @@ internal open class KtFe10ScopeMember(
     override fun getConstructors(): Sequence<KtConstructorSymbol> = sequence {
         constructors.forEach { yield(it.toKtConstructorSymbol(analysisContext)) }
     }
+}
+
+internal class KtFe10ScopeImporting(
+    override val scope: ImportingScope,
+    override val analysisContext: Fe10AnalysisContext
+) : KtFe10ScopeResolution() {
+    override fun getPossibleCallableNames(): Set<Name> = withValidityAssertion {
+        return getCallableSymbols().mapNotNullTo(mutableSetOf()) { (it as? KtPossiblyNamedSymbol)?.name }
+    }
+
+    override fun getPossibleClassifierNames(): Set<Name> = withValidityAssertion {
+        return getClassifierSymbols().mapNotNullTo(mutableSetOf()) { (it as? KtPossiblyNamedSymbol)?.name }
+    }
+
+    override fun getConstructors(): Sequence<KtConstructorSymbol> = withValidityAssertion { emptySequence() }
 }

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/components/KtFirScopeProvider.kt

@@ -23,6 +23,7 @@ import org.jetbrains.kotlin.analysis.api.symbols.markers.KtSymbolWithDeclaration
 import org.jetbrains.kotlin.analysis.api.symbols.markers.KtSymbolWithMembers
 import org.jetbrains.kotlin.analysis.api.types.KtType
 import org.jetbrains.kotlin.analysis.low.level.api.fir.api.LLFirResolveSession
+import org.jetbrains.kotlin.analysis.low.level.api.fir.api.getOrBuildFirFile
 import org.jetbrains.kotlin.analysis.utils.errors.unexpectedElementError
 import org.jetbrains.kotlin.analysis.utils.printer.getElementTextInContext
 import org.jetbrains.kotlin.fir.FirSession
@@ -170,6 +171,20 @@ internal class KtFirScopeProvider(
         )?.let { convertToKtTypeScope(it) }
     }
 
+    override fun getImportingScopeContext(file: KtFile): KtScopeContext {
+        val firFile = file.getOrBuildFirFile(firResolveSession)
+        val firFileSession = firFile.moduleData.session
+        val firImportingScopes = createImportingScopes(
+            firFile,
+            firFileSession,
+            analysisSession.getScopeSessionFor(firFileSession),
+            useCaching = true,
+        )
+
+        val ktScopesWithKinds = createScopesWithKind(firImportingScopes.withIndex())
+        return KtScopeContext(ktScopesWithKinds, _implicitReceivers = emptyList(), token)
+    }
+
     override fun getScopeContextForPosition(
         originalFile: KtFile,
         positionInFakeFile: KtElement

analysis/analysis-api/src/org/jetbrains/kotlin/analysis/api/components/KtScopeProvider.kt

@@ -40,6 +40,8 @@ public abstract class KtScopeProvider : KtAnalysisSessionComponent() {
 
     public abstract fun getSyntheticJavaPropertiesScope(type: KtType): KtTypeScope?
 
+    public abstract fun getImportingScopeContext(file: KtFile): KtScopeContext
+
     public abstract fun getScopeContextForPosition(
         originalFile: KtFile,
         positionInFakeFile: KtElement
@@ -112,8 +114,13 @@ public interface KtScopeProviderMixIn : KtAnalysisSessionMixIn {
     public fun KtFile.getScopeContextForPosition(positionInFakeFile: KtElement): KtScopeContext =
         withValidityAssertion { analysisSession.scopeProvider.getScopeContextForPosition(this, positionInFakeFile) }
 
-    public fun KtFile.getScopeContextForFile(): KtScopeContext =
-        withValidityAssertion { analysisSession.scopeProvider.getScopeContextForPosition(this, this) }
+    /**
+     * Returns a [KtScopeContext] formed by all imports in the [KtFile].
+     *
+     * By default, this will also include default importing scopes, which can be filtered by [KtScopeKind]
+     */
+    public fun KtFile.getImportingScopeContext(): KtScopeContext =
+        withValidityAssertion { analysisSession.scopeProvider.getImportingScopeContext(this) }
 
     /**
      * Returns single scope, containing declarations from all scopes that satisfy [filter]. The order of declarations corresponds to the