FIR: Get rid of old FirImplicitTypeBodyResolveTransformerAdapter

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/ResolvePhaseUtils.kt

@@ -8,7 +8,6 @@ package org.jetbrains.kotlin.fir.resolve.transformers
 import org.jetbrains.kotlin.fir.declarations.FirResolvePhase
 import org.jetbrains.kotlin.fir.declarations.FirResolvePhase.*
 import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.FirBodyResolveTransformerAdapter
-import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.FirImplicitTypeBodyResolveTransformerAdapter
 import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.FirImplicitTypeBodyResolveTransformerAdapter2
 import org.jetbrains.kotlin.fir.visitors.FirTransformer
 

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/ReturnTypeCalculator.kt

@@ -5,92 +5,29 @@
 
 package org.jetbrains.kotlin.fir.resolve.transformers
 
-import org.jetbrains.kotlin.fir.FirElement
-import org.jetbrains.kotlin.fir.FirSession
-import org.jetbrains.kotlin.fir.declarations.FirCallableMemberDeclaration
 import org.jetbrains.kotlin.fir.declarations.FirTypedDeclaration
-import org.jetbrains.kotlin.fir.declarations.FirValueParameter
 import org.jetbrains.kotlin.fir.diagnostics.DiagnosticKind
 import org.jetbrains.kotlin.fir.diagnostics.FirSimpleDiagnostic
 import org.jetbrains.kotlin.fir.render
-import org.jetbrains.kotlin.fir.resolve.ResolutionMode
-import org.jetbrains.kotlin.fir.resolve.ScopeSession
-import org.jetbrains.kotlin.fir.resolve.firProvider
-import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.FirDesignatedBodyResolveTransformer
-import org.jetbrains.kotlin.fir.symbols.impl.FirCallableSymbol
-import org.jetbrains.kotlin.fir.types.FirImplicitTypeRef
 import org.jetbrains.kotlin.fir.types.FirResolvedTypeRef
-import org.jetbrains.kotlin.fir.types.impl.FirComputingImplicitTypeRef
 import org.jetbrains.kotlin.fir.types.impl.FirErrorTypeRefImpl
 
 interface ReturnTypeCalculator {
     fun tryCalculateReturnType(declaration: FirTypedDeclaration): FirResolvedTypeRef
 }
 
-class ReturnTypeCalculatorWithJump(val session: FirSession, val scopeSession: ScopeSession) :
+class ReturnTypeCalculatorForFullBodyResolve : ReturnTypeCalculator {
-    ReturnTypeCalculator {
-
-    private fun cycleErrorType(declaration: FirTypedDeclaration): FirResolvedTypeRef? {
-        if (declaration.returnTypeRef is FirComputingImplicitTypeRef) {
-            declaration.transformReturnTypeRef(
-                TransformImplicitType,
-                FirErrorTypeRefImpl(null, FirSimpleDiagnostic("cycle", DiagnosticKind.RecursionInImplicitTypes))
-            )
-            return declaration.returnTypeRef as FirResolvedTypeRef
-        }
-        return null
-    }
 
     override fun tryCalculateReturnType(declaration: FirTypedDeclaration): FirResolvedTypeRef {
-
-        if (declaration is FirValueParameter && declaration.returnTypeRef is FirImplicitTypeRef) {
-            // TODO?
-            declaration.transformReturnTypeRef(
-                TransformImplicitType,
-                FirErrorTypeRefImpl(
-                    null,
-                    FirSimpleDiagnostic("Unsupported: implicit VP type")
-                )
-            )
-        }
         val returnTypeRef = declaration.returnTypeRef
         if (returnTypeRef is FirResolvedTypeRef) return returnTypeRef
-        cycleErrorType(declaration)?.let { return it }
-        require(declaration is FirCallableMemberDeclaration<*>) { "${declaration::class}: ${declaration.render()}" }
 
-
+        return FirErrorTypeRefImpl(
-        val symbol = declaration.symbol as FirCallableSymbol<*>
+            null,
-        val id = symbol.callableId
+            FirSimpleDiagnostic(
-
+                "Cannot calculate return type during full-body resolution (local class/object?): ${declaration.render()}",
-        val provider = session.firProvider
+                DiagnosticKind.InferenceError
-
+            )
-        val file = provider.getFirCallableContainerFile(symbol)
-
-        val outerClasses = generateSequence(id.classId) { classId ->
-            classId.outerClassId
-        }.mapTo(mutableListOf()) { provider.getFirClassifierByFqName(it) }
-
-        if (file == null || outerClasses.any { it == null }) {
-            return FirErrorTypeRefImpl(null, FirSimpleDiagnostic("Cannot calculate return type (local class/object?)", DiagnosticKind.InferenceError))
-        }
-
-        declaration.transformReturnTypeRef(
-            TransformImplicitType,
-            FirComputingImplicitTypeRef
         )
-
-        val transformer = FirDesignatedBodyResolveTransformer(
-            (listOf(file) + outerClasses.filterNotNull().asReversed() + listOf(declaration)).iterator(),
-            file.session,
-            scopeSession
-        )
-
-        file.transform<FirElement, ResolutionMode>(transformer, ResolutionMode.ContextDependent)
-
-
-        val newReturnTypeRef = declaration.returnTypeRef
-        cycleErrorType(declaration)?.let { return it }
-        require(newReturnTypeRef is FirResolvedTypeRef) { declaration.render() }
-        return newReturnTypeRef
     }
 }

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirBodyResolveTransformer.kt

@@ -14,7 +14,7 @@ import org.jetbrains.kotlin.fir.render
 import org.jetbrains.kotlin.fir.resolve.ResolutionMode
 import org.jetbrains.kotlin.fir.resolve.ScopeSession
 import org.jetbrains.kotlin.fir.resolve.transformers.ReturnTypeCalculator
-import org.jetbrains.kotlin.fir.resolve.transformers.ReturnTypeCalculatorWithJump
+import org.jetbrains.kotlin.fir.resolve.transformers.ReturnTypeCalculatorForFullBodyResolve
 import org.jetbrains.kotlin.fir.scopes.addImportingScopes
 import org.jetbrains.kotlin.fir.types.FirImplicitTypeRef
 import org.jetbrains.kotlin.fir.types.FirResolvedTypeRef
@@ -29,7 +29,7 @@ open class FirBodyResolveTransformer(
     phase: FirResolvePhase,
     override var implicitTypeOnly: Boolean,
     scopeSession: ScopeSession,
-    val returnTypeCalculator: ReturnTypeCalculator = ReturnTypeCalculatorWithJump(session, scopeSession)
+    val returnTypeCalculator: ReturnTypeCalculator = ReturnTypeCalculatorForFullBodyResolve()
 ) : FirAbstractBodyResolveTransformer(phase) {
     private var packageFqName = FqName.ROOT
 

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirBodyResolveTransformerAdapters.kt

@@ -43,27 +43,6 @@ class FirDesignatedBodyResolveTransformer(
     }
 }
 
-
-@Deprecated("It is temp", level = DeprecationLevel.WARNING, replaceWith = ReplaceWith("TODO(\"что-то нормальное\")"))
-class FirImplicitTypeBodyResolveTransformerAdapter : FirTransformer<Nothing?>() {
-    private val scopeSession = ScopeSession()
-
-    override fun <E : FirElement> transformElement(element: E, data: Nothing?): CompositeTransformResult<E> {
-        return element.compose()
-    }
-
-    override fun transformFile(file: FirFile, data: Nothing?): CompositeTransformResult<FirFile> {
-        val transformer = FirBodyResolveTransformer(
-            file.session,
-            phase = FirResolvePhase.IMPLICIT_TYPES_BODY_RESOLVE,
-            implicitTypeOnly = true,
-            scopeSession = scopeSession
-        )
-        return file.transform(transformer, ResolutionMode.ContextIndependent)
-    }
-}
-
-
 @Deprecated("It is temp", level = DeprecationLevel.WARNING, replaceWith = ReplaceWith("TODO(\"что-то нормальное\")"))
 class FirBodyResolveTransformerAdapter : FirTransformer<Nothing?>() {
     private val scopeSession = ScopeSession()

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirDeclarationsResolveTransformer.kt

@@ -16,7 +16,6 @@ import org.jetbrains.kotlin.fir.expressions.FirExpression
 import org.jetbrains.kotlin.fir.expressions.FirStatement
 import org.jetbrains.kotlin.fir.resolve.*
 import org.jetbrains.kotlin.fir.resolve.calls.*
-import org.jetbrains.kotlin.fir.resolve.calls.extractLambdaInfoFromFunctionalType
 import org.jetbrains.kotlin.fir.resolve.substitution.ConeSubstitutor
 import org.jetbrains.kotlin.fir.resolve.transformers.*
 import org.jetbrains.kotlin.fir.resolve.transformers.FirStatusResolveTransformer.Companion.resolveStatus
@@ -25,7 +24,6 @@ import org.jetbrains.kotlin.fir.scopes.impl.FirLocalScope
 import org.jetbrains.kotlin.fir.scopes.impl.FirMemberTypeParameterScope
 import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
 import org.jetbrains.kotlin.fir.types.*
-import org.jetbrains.kotlin.fir.types.impl.FirComputingImplicitTypeRef
 import org.jetbrains.kotlin.fir.types.impl.FirErrorTypeRefImpl
 import org.jetbrains.kotlin.fir.types.impl.FirResolvedTypeRefImpl
 import org.jetbrains.kotlin.fir.visitors.CompositeTransformResult
@@ -92,9 +90,6 @@ class FirDeclarationsResolveTransformer(transformer: FirBodyResolveTransformer)
                 return@withScopeCleanup property.compose()
             }
             dataFlowAnalyzer.enterProperty(property)
-            if (returnTypeRef is FirImplicitTypeRef) {
-                property.transformReturnTypeRef(StoreType, FirComputingImplicitTypeRef)
-            }
             withFullBodyResolve {
                 withScopeCleanup(localScopes) {
                     localScopes.addIfNotNull(primaryConstructorParametersScope)
@@ -167,9 +162,6 @@ class FirDeclarationsResolveTransformer(transformer: FirBodyResolveTransformer)
             transformFunction(accessor, withExpectedType(enhancedTypeRef))
         }
         val returnTypeRef = accessor.returnTypeRef
-        if (returnTypeRef is FirImplicitTypeRef && enhancedTypeRef !is FirResolvedTypeRef) {
-            accessor.transformReturnTypeRef(StoreType, FirComputingImplicitTypeRef)
-        }
         val expectedReturnTypeRef = if (enhancedTypeRef is FirResolvedTypeRef && returnTypeRef !is FirResolvedTypeRef) {
             enhancedTypeRef
         } else {
@@ -318,10 +310,6 @@ class FirDeclarationsResolveTransformer(transformer: FirBodyResolveTransformer)
             }
 
             withFullBodyResolve {
-                if (returnTypeRef is FirImplicitTypeRef) {
-                    simpleFunction.transformReturnTypeRef(StoreType, FirComputingImplicitTypeRef)
-                }
-
                 val receiverTypeRef = simpleFunction.receiverTypeRef
                 if (receiverTypeRef != null) {
                     withLabelAndReceiverType(simpleFunction.name, simpleFunction, receiverTypeRef.coneTypeUnsafe()) {

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/scopes/impl/FirClassSubstitutionScope.kt

@@ -16,7 +16,7 @@ import org.jetbrains.kotlin.fir.resolve.substitution.ChainedSubstitutor
 import org.jetbrains.kotlin.fir.resolve.substitution.ConeSubstitutor
 import org.jetbrains.kotlin.fir.resolve.substitution.substitutorByMap
 import org.jetbrains.kotlin.fir.resolve.transformers.ReturnTypeCalculator
-import org.jetbrains.kotlin.fir.resolve.transformers.ReturnTypeCalculatorWithJump
+import org.jetbrains.kotlin.fir.resolve.transformers.ReturnTypeCalculatorForFullBodyResolve
 import org.jetbrains.kotlin.fir.scopes.FirScope
 import org.jetbrains.kotlin.fir.symbols.impl.*
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
@@ -82,7 +82,7 @@ class FirClassSubstitutionScope(
     }
 
     private val typeCalculator =
-        (scopeSession.returnTypeCalculator as ReturnTypeCalculator?) ?: ReturnTypeCalculatorWithJump(session, scopeSession)
+        (scopeSession.returnTypeCalculator as ReturnTypeCalculator?) ?: ReturnTypeCalculatorForFullBodyResolve()
 
     private fun ConeKotlinType.substitute(): ConeKotlinType? {
         return substitutor.substituteOrNull(this)

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/impl/FirComputingImplicitTypeRef.kt

@@ -1,31 +0,0 @@
-/*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.fir.types.impl
-
-import org.jetbrains.kotlin.fir.FirSourceElement
-import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
-import org.jetbrains.kotlin.fir.impl.FirAbstractAnnotatedElement
-import org.jetbrains.kotlin.fir.types.FirImplicitTypeRef
-import org.jetbrains.kotlin.fir.visitors.*
-
-/*
- * This file was generated automatically
- * DO NOT MODIFY IT MANUALLY
- */
-
-object FirComputingImplicitTypeRef : FirImplicitTypeRef(), FirAbstractAnnotatedElement {
-    override val source: FirSourceElement? get() = null
-    override val annotations: MutableList<FirAnnotationCall> = mutableListOf()
-
-    override fun <R, D> acceptChildren(visitor: FirVisitor<R, D>, data: D) {
-        annotations.forEach { it.accept(visitor, data) }
-    }
-
-    override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirComputingImplicitTypeRef {
-        annotations.transformInplace(transformer, data)
-        return this
-    }
-}

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/ImplementationConfigurator.kt

@@ -514,11 +514,6 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
             defaultEmptyList("annotations")
         }
 
-        impl(implicitTypeRef, "FirComputingImplicitTypeRef") {
-            kind = Object
-            defaultNull("source", withGetter = true)
-        }
-
         impl(reference, "FirStubReference") {
             default("source") {
                 value = "null"