[FE 1.0] Get rid of OldResolutionCandidate and its usages

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/CallResolver.java

@@ -189,7 +189,7 @@ public class CallResolver {
             @NotNull NewResolutionOldInference.ResolutionKind kind
     ) {
         return callResolvePerfCounter.<OverloadResolutionResults<D>>time(() -> {
-            ResolutionTask<D> resolutionTask = new ResolutionTask<>(kind, name, null);
+            ResolutionTask<D> resolutionTask = new ResolutionTask<>(kind, name);
             return doResolveCallOrGetCachedResults(context, resolutionTask, tracing);
         });
     }
@@ -574,20 +574,14 @@ public class CallResolver {
 
         @Nullable
         final Name name;
-
-        @Nullable
-        final Collection<OldResolutionCandidate<D>> givenCandidates;
-
         @NotNull
         final NewResolutionOldInference.ResolutionKind resolutionKind;
 
         private ResolutionTask(
                 @NotNull NewResolutionOldInference.ResolutionKind kind,
-                @Nullable Name name,
-                @Nullable Collection<OldResolutionCandidate<D>> candidates
+                @Nullable Name name
         ) {
             this.name = name;
-            givenCandidates = candidates;
             resolutionKind = kind;
         }
     }

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/model/ResolvedCallImpl.java

@@ -32,7 +32,6 @@ import org.jetbrains.kotlin.resolve.calls.util.CallResolverUtilKt;
 import org.jetbrains.kotlin.resolve.calls.inference.ConstraintSystem;
 import org.jetbrains.kotlin.resolve.calls.results.ResolutionStatus;
 import org.jetbrains.kotlin.resolve.calls.tasks.ExplicitReceiverKind;
-import org.jetbrains.kotlin.resolve.calls.tasks.OldResolutionCandidate;
 import org.jetbrains.kotlin.resolve.calls.tasks.TracingStrategy;
 import org.jetbrains.kotlin.resolve.descriptorUtil.DescriptorUtilsKt;
 import org.jetbrains.kotlin.resolve.scopes.receivers.*;
@@ -49,17 +48,6 @@ import static org.jetbrains.kotlin.resolve.calls.results.ResolutionStatus.UNKNOW
 
 public class ResolvedCallImpl<D extends CallableDescriptor> implements MutableResolvedCall<D> {
     private static final Logger LOG = Logger.getInstance(ResolvedCallImpl.class);
-
-    @NotNull
-    public static <D extends CallableDescriptor> ResolvedCallImpl<D> create(
-            @NotNull OldResolutionCandidate<D> candidate,
-            @NotNull DelegatingBindingTrace trace,
-            @NotNull TracingStrategy tracing,
-            @NotNull MutableDataFlowInfoForArguments dataFlowInfoForArguments
-    ) {
-        return new ResolvedCallImpl<>(candidate, trace, tracing, dataFlowInfoForArguments);
-    }
-
     private final Call call;
     private final D candidateDescriptor;
     private D resultingDescriptor; // Probably substituted
@@ -84,27 +72,6 @@ public class ResolvedCallImpl<D extends CallableDescriptor> implements MutableRe
     private boolean completed = false;
     private KotlinType smartCastDispatchReceiverType = null;
     private Queue<Function0<Unit>> remainingTasks = null;
-
-    private ResolvedCallImpl(
-            @NotNull OldResolutionCandidate<D> candidate,
-            @NotNull DelegatingBindingTrace trace,
-            @NotNull TracingStrategy tracing,
-            @NotNull MutableDataFlowInfoForArguments dataFlowInfoForArguments
-    ) {
-        this.call = candidate.getCall();
-        this.candidateDescriptor = candidate.getDescriptor();
-        this.dispatchReceiver = candidate.getDispatchReceiver();
-        this.extensionReceiver = null; // ResolutionCandidate can have only dispatch receiver
-        this.explicitReceiverKind = candidate.getExplicitReceiverKind();
-        this.knownTypeParametersSubstitutor = candidate.getKnownTypeParametersResultingSubstitutor();
-        this.trace = trace;
-        this.tracing = tracing;
-        this.dataFlowInfoForArguments = dataFlowInfoForArguments;
-        this.typeArguments = createTypeArgumentsMap(candidateDescriptor);
-        this.valueArguments = createValueArgumentsMap(candidateDescriptor);
-        this.argumentToParameterMap = createArgumentsToParameterMap(candidateDescriptor);
-    }
-
     public ResolvedCallImpl(
             @NotNull Call call,
             @NotNull D candidateDescriptor,

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/tasks/OldResolutionCandidate.java

@@ -1,103 +0,0 @@
-/*
- * Copyright 2010-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.jetbrains.kotlin.resolve.calls.tasks;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.jetbrains.kotlin.descriptors.CallableDescriptor;
-import org.jetbrains.kotlin.psi.Call;
-import org.jetbrains.kotlin.resolve.scopes.receivers.ReceiverValue;
-import org.jetbrains.kotlin.types.TypeSubstitutor;
-
-public class OldResolutionCandidate<D extends CallableDescriptor> {
-    private final Call call;
-    private final D candidateDescriptor;
-    private final TypeSubstitutor knownTypeParametersResultingSubstitutor;
-    private ReceiverValue dispatchReceiver; // receiver object of a method
-    private ExplicitReceiverKind explicitReceiverKind;
-
-    private OldResolutionCandidate(
-            @NotNull Call call, @NotNull D descriptor, @Nullable ReceiverValue dispatchReceiver,
-            @NotNull ExplicitReceiverKind explicitReceiverKind,
-            @Nullable TypeSubstitutor knownTypeParametersResultingSubstitutor
-    ) {
-        this.call = call;
-        this.candidateDescriptor = descriptor;
-        this.dispatchReceiver = dispatchReceiver;
-        this.explicitReceiverKind = explicitReceiverKind;
-        this.knownTypeParametersResultingSubstitutor = knownTypeParametersResultingSubstitutor;
-    }
-
-    public static <D extends CallableDescriptor> OldResolutionCandidate<D> create(
-            @NotNull Call call, @NotNull D descriptor
-    ) {
-        return new OldResolutionCandidate<>(call, descriptor, null, ExplicitReceiverKind.NO_EXPLICIT_RECEIVER, null);
-    }
-
-    public static <D extends CallableDescriptor> OldResolutionCandidate<D> create(
-            @NotNull Call call, @NotNull D descriptor, @Nullable TypeSubstitutor knownTypeParametersResultingSubstitutor
-    ) {
-        return new OldResolutionCandidate<>(call, descriptor, null, ExplicitReceiverKind.NO_EXPLICIT_RECEIVER,
-                                         knownTypeParametersResultingSubstitutor);
-    }
-
-    public static <D extends CallableDescriptor> OldResolutionCandidate<D> create(
-            @NotNull Call call, @NotNull D descriptor, @Nullable ReceiverValue dispatchReceiver,
-            @NotNull ExplicitReceiverKind explicitReceiverKind,
-            @Nullable TypeSubstitutor knownTypeParametersResultingSubstitutor
-    ) {
-        return new OldResolutionCandidate<>(call, descriptor, dispatchReceiver, explicitReceiverKind, knownTypeParametersResultingSubstitutor);
-    }
-
-    public void setDispatchReceiver(@Nullable ReceiverValue dispatchReceiver) {
-        this.dispatchReceiver = dispatchReceiver;
-    }
-
-    public void setExplicitReceiverKind(@NotNull ExplicitReceiverKind explicitReceiverKind) {
-        this.explicitReceiverKind = explicitReceiverKind;
-    }
-
-    @NotNull
-    public Call getCall() {
-        return call;
-    }
-
-    @NotNull
-    public D getDescriptor() {
-        return candidateDescriptor;
-    }
-
-    @Nullable
-    public ReceiverValue getDispatchReceiver() {
-        return dispatchReceiver;
-    }
-
-    @NotNull
-    public ExplicitReceiverKind getExplicitReceiverKind() {
-        return explicitReceiverKind;
-    }
-
-    @Nullable
-    public TypeSubstitutor getKnownTypeParametersResultingSubstitutor() {
-        return knownTypeParametersResultingSubstitutor;
-    }
-
-    @Override
-    public String toString() {
-        return candidateDescriptor.toString();
-    }
-}

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/tower/PSICallResolver.kt

@@ -34,7 +34,6 @@ import org.jetbrains.kotlin.resolve.calls.results.*
 import org.jetbrains.kotlin.resolve.calls.smartcasts.DataFlowInfo
 import org.jetbrains.kotlin.resolve.calls.smartcasts.DataFlowValueFactory
 import org.jetbrains.kotlin.resolve.calls.tasks.DynamicCallableDescriptors
-import org.jetbrains.kotlin.resolve.calls.tasks.OldResolutionCandidate
 import org.jetbrains.kotlin.resolve.calls.tasks.TracingStrategy
 import org.jetbrains.kotlin.resolve.calls.util.*
 import org.jetbrains.kotlin.resolve.checkers.PassingProgressionAsCollectionCallChecker
@@ -173,38 +172,6 @@ class PSICallResolver(
         }
     }
 
-    // actually, `D` is at least FunctionDescriptor, but right now because of CallResolver it isn't possible change upper bound for `D`
-    fun <D : CallableDescriptor> runResolutionAndInferenceForGivenOldCandidates(
-        context: BasicCallResolutionContext,
-        resolutionCandidates: Collection<OldResolutionCandidate<D>>,
-        tracingStrategy: TracingStrategy
-    ): OverloadResolutionResults<D> {
-        val dispatchReceiver = resolutionCandidates.firstNotNullOfOrNull { it.dispatchReceiver }
-
-        val isSpecialFunction = resolutionCandidates.any { it.descriptor.name in SPECIAL_FUNCTION_NAMES }
-        val kotlinCall = toKotlinCall(
-            context, KotlinCallKind.FUNCTION, context.call, givenCandidatesName, tracingStrategy, isSpecialFunction, dispatchReceiver
-        )
-        val scopeTower = ASTScopeTower(context)
-        val resolutionCallbacks = createResolutionCallbacks(context)
-
-        val givenCandidates = resolutionCandidates.map {
-            GivenCandidate(
-                it.descriptor as FunctionDescriptor,
-                it.dispatchReceiver?.let { context.transformToReceiverWithSmartCastInfo(it) },
-                it.knownTypeParametersResultingSubstitutor
-            )
-        }
-
-        val result = kotlinCallResolver.resolveAndCompleteGivenCandidates(
-            scopeTower, resolutionCallbacks, kotlinCall, calculateExpectedType(context), givenCandidates, context.collectAllCandidates
-        )
-        val overloadResolutionResults = convertToOverloadResolutionResults<D>(context, result, tracingStrategy)
-        return overloadResolutionResults.also {
-            clearCacheForApproximationResults()
-        }
-    }
-
     private fun clearCacheForApproximationResults() {
         // Mostly, we approximate captured or some other internal types that don't live longer than resolve for a call,
         // so it's quite useless to preserve cache for longer time

compiler/tests-common/tests/org/jetbrains/kotlin/checkers/LazyOperationsLog.kt

@@ -25,7 +25,6 @@ import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.renderer.DescriptorRenderer
 import org.jetbrains.kotlin.resolve.DescriptorUtils
-import org.jetbrains.kotlin.resolve.calls.tasks.OldResolutionCandidate
 import org.jetbrains.kotlin.resolve.scopes.MemberScope
 import org.jetbrains.kotlin.serialization.deserialization.DeserializationContext
 import org.jetbrains.kotlin.serialization.deserialization.TypeDeserializer
@@ -185,7 +184,6 @@ class LazyOperationsLog(
                     }
                 }.appendQuoted()
             }
-            o is OldResolutionCandidate<*> -> DescriptorRenderer.COMPACT.render(o.descriptor).appendQuoted()
         }
         return sb.toString()
     }