Removed unused methods from KtScope.

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/tasks/dynamicCalls.kt

@@ -28,7 +28,6 @@ import org.jetbrains.kotlin.resolve.DescriptorFactory
 import org.jetbrains.kotlin.resolve.calls.tasks.collectors.CallableDescriptorCollector
 import org.jetbrains.kotlin.resolve.calls.tasks.collectors.CallableDescriptorCollectors
 import org.jetbrains.kotlin.resolve.descriptorUtil.builtIns
-import org.jetbrains.kotlin.resolve.scopes.KtScope
 import org.jetbrains.kotlin.resolve.scopes.KtScopeImpl
 import org.jetbrains.kotlin.resolve.scopes.LexicalScope
 import org.jetbrains.kotlin.resolve.scopes.receivers.TransientReceiver

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaClassMemberScope.kt

@@ -19,14 +19,16 @@ package org.jetbrains.kotlin.load.java.lazy.descriptors
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.descriptors.annotations.Annotations
-import org.jetbrains.kotlin.descriptors.impl.*
+import org.jetbrains.kotlin.descriptors.impl.ConstructorDescriptorImpl
+import org.jetbrains.kotlin.descriptors.impl.EnumEntrySyntheticClassDescriptor
+import org.jetbrains.kotlin.descriptors.impl.ValueParameterDescriptorImpl
 import org.jetbrains.kotlin.incremental.components.LookupLocation
 import org.jetbrains.kotlin.incremental.components.NoLookupLocation
 import org.jetbrains.kotlin.load.java.*
-import org.jetbrains.kotlin.load.java.BuiltinSpecialProperties.getBuiltinSpecialPropertyGetterName
-import org.jetbrains.kotlin.load.java.BuiltinMethodsWithDifferentJvmName.sameAsRenamedInJvmBuiltin
 import org.jetbrains.kotlin.load.java.BuiltinMethodsWithDifferentJvmName.isRemoveAtByIndex
+import org.jetbrains.kotlin.load.java.BuiltinMethodsWithDifferentJvmName.sameAsRenamedInJvmBuiltin
 import org.jetbrains.kotlin.load.java.BuiltinMethodsWithSpecialGenericSignature.sameAsBuiltinMethodWithErasedValueParameters
+import org.jetbrains.kotlin.load.java.BuiltinSpecialProperties.getBuiltinSpecialPropertyGetterName
 import org.jetbrains.kotlin.load.java.components.DescriptorResolverUtils
 import org.jetbrains.kotlin.load.java.components.TypeUsage
 import org.jetbrains.kotlin.load.java.descriptors.JavaConstructorDescriptor
@@ -38,7 +40,6 @@ import org.jetbrains.kotlin.load.java.lazy.child
 import org.jetbrains.kotlin.load.java.lazy.resolveAnnotations
 import org.jetbrains.kotlin.load.java.lazy.types.RawSubstitution
 import org.jetbrains.kotlin.load.java.lazy.types.toAttributes
-import org.jetbrains.kotlin.load.java.sources.JavaSourceElement
 import org.jetbrains.kotlin.load.java.structure.JavaArrayType
 import org.jetbrains.kotlin.load.java.structure.JavaClass
 import org.jetbrains.kotlin.load.java.structure.JavaConstructor
@@ -630,10 +631,6 @@ public class LazyJavaClassMemberScope(
         }
     }
 
-    // TODO
-    override fun getImplicitReceiversHierarchy(): List<ReceiverParameterDescriptor> = listOf()
-
-
     override fun getContainingDeclaration() = super.getContainingDeclaration() as ClassDescriptor
 
     // namespaces should be resolved elsewhere

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaStaticScope.kt

@@ -18,7 +18,6 @@ package org.jetbrains.kotlin.load.java.lazy.descriptors
 
 import org.jetbrains.kotlin.descriptors.ClassOrPackageFragmentDescriptor
 import org.jetbrains.kotlin.descriptors.PropertyDescriptor
-import org.jetbrains.kotlin.descriptors.ReceiverParameterDescriptor
 import org.jetbrains.kotlin.descriptors.TypeParameterDescriptor
 import org.jetbrains.kotlin.load.java.lazy.LazyJavaResolverContext
 import org.jetbrains.kotlin.load.java.structure.JavaMethod
@@ -37,8 +36,6 @@ public abstract class LazyJavaStaticScope(
     override fun getPackage(name: Name) = null
     abstract fun getSubPackages(): Collection<FqName>
 
-    override fun getImplicitReceiversHierarchy(): List<ReceiverParameterDescriptor> = listOf()
-
     override fun resolveMethodSignature(
             method: JavaMethod, methodTypeParameters: List<TypeParameterDescriptor>, returnType: KotlinType,
             valueParameters: LazyJavaScope.ResolvedValueParameters

core/descriptors/src/org/jetbrains/kotlin/resolve/scopes/AbstractScopeAdapter.kt

@@ -19,7 +19,6 @@ package org.jetbrains.kotlin.resolve.scopes
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.incremental.components.LookupLocation
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.utils.Printer
 
 /**
@@ -34,10 +33,6 @@ public abstract class AbstractScopeAdapter : KtScope {
             else
                 workerScope
 
-    override fun getImplicitReceiversHierarchy(): List<ReceiverParameterDescriptor> {
-        return workerScope.getImplicitReceiversHierarchy()
-    }
-
     override fun getFunctions(name: Name, location: LookupLocation): Collection<FunctionDescriptor> {
         return workerScope.getFunctions(name, location)
     }
@@ -54,34 +49,10 @@ public abstract class AbstractScopeAdapter : KtScope {
         return workerScope.getProperties(name, location)
     }
 
-    override fun getSyntheticExtensionProperties(receiverTypes: Collection<KotlinType>, name: Name, location: LookupLocation): Collection<PropertyDescriptor> {
-        return workerScope.getSyntheticExtensionProperties(receiverTypes, name, location)
-    }
-
-    override fun getSyntheticExtensionFunctions(receiverTypes: Collection<KotlinType>, name: Name, location: LookupLocation): Collection<FunctionDescriptor> {
-        return workerScope.getSyntheticExtensionFunctions(receiverTypes, name, location)
-    }
-
-    override fun getSyntheticExtensionProperties(receiverTypes: Collection<KotlinType>): Collection<PropertyDescriptor> {
-        return workerScope.getSyntheticExtensionProperties(receiverTypes)
-    }
-
-    override fun getSyntheticExtensionFunctions(receiverTypes: Collection<KotlinType>): Collection<FunctionDescriptor> {
-        return workerScope.getSyntheticExtensionFunctions(receiverTypes)
-    }
-
-    override fun getLocalVariable(name: Name): VariableDescriptor? {
-        return workerScope.getLocalVariable(name)
-    }
-
     override fun getContainingDeclaration(): DeclarationDescriptor {
         return workerScope.getContainingDeclaration()
     }
 
-    override fun getDeclarationsByLabel(labelName: Name): Collection<DeclarationDescriptor> {
-        return workerScope.getDeclarationsByLabel(labelName)
-    }
-
     override fun getDescriptors(kindFilter: DescriptorKindFilter,
                                 nameFilter: (Name) -> Boolean): Collection<DeclarationDescriptor> {
         return workerScope.getDescriptors(kindFilter, nameFilter)

core/descriptors/src/org/jetbrains/kotlin/resolve/scopes/ChainedScope.kt

@@ -19,11 +19,9 @@ package org.jetbrains.kotlin.resolve.scopes
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.incremental.components.LookupLocation
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.util.collectionUtils.getFirstMatch
 import org.jetbrains.kotlin.util.collectionUtils.getFromAllScopes
 import org.jetbrains.kotlin.utils.Printer
-import java.util.ArrayList
 
 public open class ChainedScope(
         private val containingDeclaration: DeclarationDescriptor?/* it's nullable as a hack for TypeUtils.intersect() */,
@@ -31,7 +29,6 @@ public open class ChainedScope(
         vararg scopes: KtScope
 ) : KtScope {
     private val scopeChain = scopes.clone()
-    private var implicitReceiverHierarchy: List<ReceiverParameterDescriptor>? = null
 
     override fun getClassifier(name: Name, location: LookupLocation): ClassifierDescriptor?
             = getFirstMatch(scopeChain) { it.getClassifier(name, location) }
@@ -42,38 +39,11 @@ public open class ChainedScope(
     override fun getProperties(name: Name, location: LookupLocation): Collection<VariableDescriptor>
             = getFromAllScopes(scopeChain) { it.getProperties(name, location) }
 
-    override fun getLocalVariable(name: Name): VariableDescriptor?
-            = getFirstMatch(scopeChain) { it.getLocalVariable(name) }
-
     override fun getFunctions(name: Name, location: LookupLocation): Collection<FunctionDescriptor>
             = getFromAllScopes(scopeChain) { it.getFunctions(name, location) }
 
-    override fun getSyntheticExtensionProperties(receiverTypes: Collection<KotlinType>, name: Name, location: LookupLocation): Collection<PropertyDescriptor>
-            = getFromAllScopes(scopeChain) { it.getSyntheticExtensionProperties(receiverTypes, name, location) }
-
-    override fun getSyntheticExtensionFunctions(receiverTypes: Collection<KotlinType>, name: Name, location: LookupLocation): Collection<FunctionDescriptor>
-            = getFromAllScopes(scopeChain) { it.getSyntheticExtensionFunctions(receiverTypes, name, location) }
-
-    override fun getSyntheticExtensionProperties(receiverTypes: Collection<KotlinType>): Collection<PropertyDescriptor>
-            = getFromAllScopes(scopeChain) { it.getSyntheticExtensionProperties(receiverTypes) }
-
-    override fun getSyntheticExtensionFunctions(receiverTypes: Collection<KotlinType>): Collection<FunctionDescriptor>
-            = getFromAllScopes(scopeChain) { it.getSyntheticExtensionFunctions(receiverTypes) }
-
-    override fun getImplicitReceiversHierarchy(): List<ReceiverParameterDescriptor> {
-        if (implicitReceiverHierarchy == null) {
-            val result = ArrayList<ReceiverParameterDescriptor>()
-            scopeChain.flatMapTo(result) { it.getImplicitReceiversHierarchy() }
-            result.trimToSize()
-            implicitReceiverHierarchy = result
-        }
-        return implicitReceiverHierarchy!!
-    }
-
     override fun getContainingDeclaration(): DeclarationDescriptor = containingDeclaration!!
 
-    override fun getDeclarationsByLabel(labelName: Name) = scopeChain.flatMap { it.getDeclarationsByLabel(labelName) }
-
     override fun getDescriptors(kindFilter: DescriptorKindFilter, nameFilter: (Name) -> Boolean)
             = getFromAllScopes(scopeChain) { it.getDescriptors(kindFilter, nameFilter) }
 

core/descriptors/src/org/jetbrains/kotlin/resolve/scopes/FilteringScope.kt

@@ -17,11 +17,8 @@
 package org.jetbrains.kotlin.resolve.scopes
 
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
-import org.jetbrains.kotlin.descriptors.FunctionDescriptor
-import org.jetbrains.kotlin.descriptors.PropertyDescriptor
 import org.jetbrains.kotlin.incremental.components.LookupLocation
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.utils.Printer
 
 public class FilteringScope(private val workerScope: KtScope, private val predicate: (DeclarationDescriptor) -> Boolean) : KtScope {
@@ -39,27 +36,9 @@ public class FilteringScope(private val workerScope: KtScope, private val predic
 
     override fun getProperties(name: Name, location: LookupLocation) = workerScope.getProperties(name, location).filter(predicate)
 
-    override fun getSyntheticExtensionProperties(receiverTypes: Collection<KotlinType>, name: Name, location: LookupLocation): Collection<PropertyDescriptor>
-            = workerScope.getSyntheticExtensionProperties(receiverTypes, name, location).filter(predicate)
-
-    override fun getSyntheticExtensionFunctions(receiverTypes: Collection<KotlinType>, name: Name, location: LookupLocation): Collection<FunctionDescriptor>
-            = workerScope.getSyntheticExtensionFunctions(receiverTypes, name, location).filter(predicate)
-
-    override fun getSyntheticExtensionProperties(receiverTypes: Collection<KotlinType>): Collection<PropertyDescriptor>
-            = workerScope.getSyntheticExtensionProperties(receiverTypes).filter(predicate)
-
-    override fun getSyntheticExtensionFunctions(receiverTypes: Collection<KotlinType>): Collection<FunctionDescriptor>
-            = workerScope.getSyntheticExtensionFunctions(receiverTypes).filter(predicate)
-
-    override fun getLocalVariable(name: Name) = filterDescriptor(workerScope.getLocalVariable(name))
-
     override fun getDescriptors(kindFilter: DescriptorKindFilter,
                                 nameFilter: (Name) -> Boolean) = workerScope.getDescriptors(kindFilter, nameFilter).filter(predicate)
 
-    override fun getImplicitReceiversHierarchy() = workerScope.getImplicitReceiversHierarchy()
-
-    override fun getDeclarationsByLabel(labelName: Name) = workerScope.getDeclarationsByLabel(labelName).filter(predicate)
-
     override fun getOwnDeclaredDescriptors() = workerScope.getOwnDeclaredDescriptors().filter(predicate)
 
     override fun printScopeStructure(p: Printer) {

core/descriptors/src/org/jetbrains/kotlin/resolve/scopes/KtScope.kt

@@ -19,7 +19,6 @@ package org.jetbrains.kotlin.resolve.scopes
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.incremental.components.LookupLocation
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.utils.Printer
 import org.jetbrains.kotlin.utils.toReadOnlyList
 import java.lang.reflect.Modifier
@@ -28,24 +27,15 @@ public interface KtScope {
 
     public fun getClassifier(name: Name, location: LookupLocation): ClassifierDescriptor?
 
+    @Deprecated("Should be removed soon")
     public fun getPackage(name: Name): PackageViewDescriptor?
 
     public fun getProperties(name: Name, location: LookupLocation): Collection<VariableDescriptor>
 
-    public fun getLocalVariable(name: Name): VariableDescriptor?
-
     public fun getFunctions(name: Name, location: LookupLocation): Collection<FunctionDescriptor>
 
-    public fun getSyntheticExtensionProperties(receiverTypes: Collection<KotlinType>, name: Name, location: LookupLocation): Collection<PropertyDescriptor>
-    public fun getSyntheticExtensionFunctions(receiverTypes: Collection<KotlinType>, name: Name, location: LookupLocation): Collection<FunctionDescriptor>
-
-    public fun getSyntheticExtensionProperties(receiverTypes: Collection<KotlinType>): Collection<PropertyDescriptor>
-    public fun getSyntheticExtensionFunctions(receiverTypes: Collection<KotlinType>): Collection<FunctionDescriptor>
-
     public fun getContainingDeclaration(): DeclarationDescriptor
 
-    public fun getDeclarationsByLabel(labelName: Name): Collection<DeclarationDescriptor>
-
     /**
      * All visible descriptors from current scope.
      *
@@ -62,11 +52,7 @@ public interface KtScope {
             nameFilter: (Name) -> Boolean = ALL_NAME_FILTER
     ): Collection<DeclarationDescriptor>
 
-    /**
+    // todo merge with getAllDescriptors()
-     * Adds receivers to the list in order of locality, so that the closest (the most local) receiver goes first
-     */
-    public fun getImplicitReceiversHierarchy(): List<ReceiverParameterDescriptor>
-
     public fun getOwnDeclaredDescriptors(): Collection<DeclarationDescriptor>
 
     /**

core/descriptors/src/org/jetbrains/kotlin/resolve/scopes/KtScopeImpl.kt

@@ -19,7 +19,6 @@ package org.jetbrains.kotlin.resolve.scopes
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.incremental.components.LookupLocation
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.utils.Printer
 
 abstract class KtScopeImpl : KtScope {
@@ -27,25 +26,13 @@ abstract class KtScopeImpl : KtScope {
 
     override fun getProperties(name: Name, location: LookupLocation): Collection<VariableDescriptor> = emptyList()
 
-    override fun getLocalVariable(name: Name): VariableDescriptor? = null
-
     override fun getPackage(name: Name): PackageViewDescriptor? = null
 
     override fun getFunctions(name: Name, location: LookupLocation): Collection<FunctionDescriptor> = emptyList()
 
-    override fun getSyntheticExtensionProperties(receiverTypes: Collection<KotlinType>, name: Name, location: LookupLocation): Collection<PropertyDescriptor> = emptyList()
-    override fun getSyntheticExtensionFunctions(receiverTypes: Collection<KotlinType>, name: Name, location: LookupLocation): Collection<FunctionDescriptor> = emptyList()
-
-    override fun getSyntheticExtensionProperties(receiverTypes: Collection<KotlinType>): Collection<PropertyDescriptor> = emptyList()
-    override fun getSyntheticExtensionFunctions(receiverTypes: Collection<KotlinType>): Collection<FunctionDescriptor> = emptyList()
-
-    override fun getDeclarationsByLabel(labelName: Name): Collection<DeclarationDescriptor> = emptyList()
-
     override fun getDescriptors(kindFilter: DescriptorKindFilter,
                                 nameFilter: (Name) -> Boolean): Collection<DeclarationDescriptor> = emptyList()
 
-    override fun getImplicitReceiversHierarchy(): List<ReceiverParameterDescriptor> = emptyList()
-
     override fun getOwnDeclaredDescriptors(): Collection<DeclarationDescriptor> = emptyList()
 
     // This method should not be implemented here by default: every scope class has its unique structure pattern

core/descriptors/src/org/jetbrains/kotlin/resolve/scopes/SubstitutingScope.kt

@@ -17,16 +17,12 @@
 package org.jetbrains.kotlin.resolve.scopes
 
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
-import org.jetbrains.kotlin.descriptors.FunctionDescriptor
-import org.jetbrains.kotlin.descriptors.PropertyDescriptor
-import org.jetbrains.kotlin.descriptors.ReceiverParameterDescriptor
 import org.jetbrains.kotlin.incremental.components.LookupLocation
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.types.TypeSubstitutor
 import org.jetbrains.kotlin.utils.Printer
 import org.jetbrains.kotlin.utils.newHashSetWithExpectedSize
-import java.util.HashMap
+import java.util.*
 
 public class SubstitutingScope(private val workerScope: KtScope, private val substitutor: TypeSubstitutor) : KtScope {
 
@@ -65,36 +61,14 @@ public class SubstitutingScope(private val workerScope: KtScope, private val sub
 
     override fun getProperties(name: Name, location: LookupLocation) = substitute(workerScope.getProperties(name, location))
 
-    override fun getLocalVariable(name: Name) = substitute(workerScope.getLocalVariable(name))
-
     override fun getClassifier(name: Name, location: LookupLocation) = substitute(workerScope.getClassifier(name, location))
 
     override fun getFunctions(name: Name, location: LookupLocation) = substitute(workerScope.getFunctions(name, location))
 
-    override fun getSyntheticExtensionProperties(receiverTypes: Collection<KotlinType>, name: Name, location: LookupLocation): Collection<PropertyDescriptor>
-            = substitute(workerScope.getSyntheticExtensionProperties(receiverTypes, name, location))
-
-    override fun getSyntheticExtensionFunctions(receiverTypes: Collection<KotlinType>, name: Name, location: LookupLocation): Collection<FunctionDescriptor>
-            = substitute(workerScope.getSyntheticExtensionFunctions(receiverTypes, name, location))
-
-    override fun getSyntheticExtensionProperties(receiverTypes: Collection<KotlinType>): Collection<PropertyDescriptor>
-            = substitute(workerScope.getSyntheticExtensionProperties(receiverTypes))
-
-    override fun getSyntheticExtensionFunctions(receiverTypes: Collection<KotlinType>): Collection<FunctionDescriptor>
-            = substitute(workerScope.getSyntheticExtensionFunctions(receiverTypes))
-
     override fun getPackage(name: Name) = workerScope.getPackage(name)
 
-    override fun getImplicitReceiversHierarchy(): List<ReceiverParameterDescriptor> {
-        throw UnsupportedOperationException() // TODO
-    }
-
     override fun getContainingDeclaration() = workerScope.getContainingDeclaration()
 
-    override fun getDeclarationsByLabel(labelName: Name): Collection<DeclarationDescriptor> {
-        throw UnsupportedOperationException() // TODO
-    }
-
     override fun getDescriptors(kindFilter: DescriptorKindFilter,
                                 nameFilter: (Name) -> Boolean) = _allDescriptors
 

core/descriptors/src/org/jetbrains/kotlin/types/ErrorUtils.java

@@ -179,54 +179,11 @@ public class ErrorUtils {
             return ERROR_VARIABLE_GROUP;
         }
 
-        @NotNull
-        @Override
-        public Collection<PropertyDescriptor> getSyntheticExtensionProperties(
-                @NotNull Collection<? extends KotlinType> receiverTypes, @NotNull Name name,
-                @NotNull LookupLocation location
-        ) {
-            return ERROR_PROPERTY_GROUP;
-        }
-
-        @NotNull
-        @Override
-        public Collection<FunctionDescriptor> getSyntheticExtensionFunctions(
-                @NotNull Collection<? extends KotlinType> receiverTypes, @NotNull Name name,
-                @NotNull LookupLocation location
-        ) {
-            return Collections.<FunctionDescriptor>singleton(createErrorFunction(this));
-        }
-
-        @NotNull
-        @Override
-        public Collection<PropertyDescriptor> getSyntheticExtensionProperties(@NotNull Collection<? extends KotlinType> receiverTypes) {
-            return ERROR_PROPERTY_GROUP;
-        }
-
-        @NotNull
-        @Override
-        public Collection<FunctionDescriptor> getSyntheticExtensionFunctions(
-                @NotNull Collection<? extends KotlinType> receiverTypes
-        ) {
-            return Collections.<FunctionDescriptor>singleton(createErrorFunction(this));
-        }
-
-        @Override
-        public VariableDescriptor getLocalVariable(@NotNull Name name) {
-            return ERROR_PROPERTY;
-        }
-
         @Override
         public PackageViewDescriptor getPackage(@NotNull Name name) {
             return null;
         }
 
-        @NotNull
-        @Override
-        public List<ReceiverParameterDescriptor> getImplicitReceiversHierarchy() {
-            return Collections.emptyList();
-        }
-
         @NotNull
         @Override
         public Set<FunctionDescriptor> getFunctions(@NotNull Name name, @NotNull LookupLocation location) {
@@ -239,12 +196,6 @@ public class ErrorUtils {
             return ERROR_MODULE;
         }
 
-        @NotNull
-        @Override
-        public Collection<DeclarationDescriptor> getDeclarationsByLabel(@NotNull Name labelName) {
-            return Collections.emptyList();
-        }
-
         @NotNull
         @Override
         public Collection<DeclarationDescriptor> getDescriptors(
@@ -301,62 +252,18 @@ public class ErrorUtils {
             throw new IllegalStateException();
         }
 
-        @Nullable
-        @Override
-        public VariableDescriptor getLocalVariable(@NotNull Name name) {
-            throw new IllegalStateException();
-        }
-
         @NotNull
         @Override
         public Collection<FunctionDescriptor> getFunctions(@NotNull Name name, @NotNull LookupLocation location) {
             throw new IllegalStateException();
         }
 
-        @NotNull
-        @Override
-        public Collection<PropertyDescriptor> getSyntheticExtensionProperties(
-                @NotNull Collection<? extends KotlinType> receiverTypes, @NotNull Name name,
-                @NotNull LookupLocation location
-        ) {
-            throw new IllegalStateException();
-        }
-
-        @NotNull
-        @Override
-        public Collection<FunctionDescriptor> getSyntheticExtensionFunctions(
-                @NotNull Collection<? extends KotlinType> receiverTypes, @NotNull Name name,
-                @NotNull LookupLocation location
-        ) {
-            throw new IllegalStateException();
-        }
-
-        @NotNull
-        @Override
-        public Collection<PropertyDescriptor> getSyntheticExtensionProperties(@NotNull Collection<? extends KotlinType> receiverTypes) {
-            throw new IllegalStateException();
-        }
-
-        @NotNull
-        @Override
-        public Collection<FunctionDescriptor> getSyntheticExtensionFunctions(
-                @NotNull Collection<? extends KotlinType> receiverTypes
-        ) {
-            throw new IllegalStateException();
-        }
-
         @NotNull
         @Override
         public DeclarationDescriptor getContainingDeclaration() {
             return ERROR_MODULE;
         }
 
-        @NotNull
-        @Override
-        public Collection<DeclarationDescriptor> getDeclarationsByLabel(@NotNull Name labelName) {
-            throw new IllegalStateException();
-        }
-
         @NotNull
         @Override
         public Collection<DeclarationDescriptor> getDescriptors(
@@ -371,12 +278,6 @@ public class ErrorUtils {
             throw new IllegalStateException();
         }
 
-        @NotNull
-        @Override
-        public List<ReceiverParameterDescriptor> getImplicitReceiversHierarchy() {
-            throw new IllegalStateException();
-        }
-
         @NotNull
         @Override
         public Collection<DeclarationDescriptor> getOwnDeclaredDescriptors() {
@@ -461,7 +362,6 @@ public class ErrorUtils {
     private static final PropertyDescriptor ERROR_PROPERTY = createErrorProperty();
 
     private static final Set<VariableDescriptor> ERROR_VARIABLE_GROUP = Collections.<VariableDescriptor>singleton(ERROR_PROPERTY);
-    private static final Set<PropertyDescriptor> ERROR_PROPERTY_GROUP = Collections.singleton(ERROR_PROPERTY);
 
     @NotNull
     private static PropertyDescriptorImpl createErrorProperty() {

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/descriptors/DeserializedClassDescriptor.kt

@@ -242,8 +242,6 @@ public class DeserializedClassDescriptor(
             }
         }
 
-        override fun getImplicitReceiver() = classDescriptor.getThisAsReceiverParameter()
-
         override fun getClassDescriptor(name: Name): ClassifierDescriptor? =
                 classDescriptor.enumEntries.findEnumEntry(name) ?: classDescriptor.nestedClasses.findNestedClass(name)
 

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/descriptors/DeserializedMemberScope.kt

@@ -175,13 +175,6 @@ public abstract class DeserializedMemberScope protected constructor(
 
     protected abstract fun addEnumEntryDescriptors(result: MutableCollection<DeclarationDescriptor>, nameFilter: (Name) -> Boolean)
 
-    override fun getImplicitReceiversHierarchy(): List<ReceiverParameterDescriptor> {
-        val receiver = getImplicitReceiver()
-        return if (receiver != null) listOf(receiver) else listOf()
-    }
-
-    protected abstract fun getImplicitReceiver(): ReceiverParameterDescriptor?
-
     override fun getOwnDeclaredDescriptors() = getAllDescriptors()
 
     override fun printScopeStructure(p: Printer) {

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/descriptors/DeserializedPackageMemberScope.kt

@@ -19,7 +19,6 @@ package org.jetbrains.kotlin.serialization.deserialization.descriptors
 import org.jetbrains.kotlin.descriptors.ClassDescriptor
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.descriptors.PackageFragmentDescriptor
-import org.jetbrains.kotlin.descriptors.ReceiverParameterDescriptor
 import org.jetbrains.kotlin.incremental.components.LookupLocation
 import org.jetbrains.kotlin.incremental.components.NoLookupLocation
 import org.jetbrains.kotlin.name.ClassId
@@ -69,6 +68,4 @@ public open class DeserializedPackageMemberScope(
     override fun addEnumEntryDescriptors(result: MutableCollection<DeclarationDescriptor>, nameFilter: (Name) -> Boolean) {
         // Do nothing
     }
-
-    override fun getImplicitReceiver(): ReceiverParameterDescriptor? = null
 }