[FIR IDE] Add base support for FIR incomplete types resolve

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

@@ -86,6 +86,8 @@ class FirSpecificTypeResolverTransformer(
                     typeRef.source
                 }
 
+                delegatedTypeRef = typeRef
+
                 diagnostic = resolvedType.diagnostic
             }
         }.compose()

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirErrorFunctionImpl.kt

@@ -39,7 +39,7 @@ internal class FirErrorFunctionImpl(
     override val symbol: FirErrorFunctionSymbol,
     override val typeParameters: MutableList<FirTypeParameter>,
 ) : FirErrorFunction() {
-    override var returnTypeRef: FirTypeRef = FirErrorTypeRefImpl(null, diagnostic)
+    override var returnTypeRef: FirTypeRef = FirErrorTypeRefImpl(null, null, diagnostic)
     override val receiverTypeRef: FirTypeRef? get() = null
     override var controlFlowGraphReference: FirControlFlowGraphReference? = null
     override val body: FirBlock? get() = null

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirErrorPropertyImpl.kt

@@ -40,7 +40,7 @@ internal class FirErrorPropertyImpl(
     override val typeParameters: MutableList<FirTypeParameter>,
     override val symbol: FirErrorPropertySymbol,
 ) : FirErrorProperty() {
-    override var returnTypeRef: FirTypeRef = FirErrorTypeRefImpl(null, diagnostic)
+    override var returnTypeRef: FirTypeRef = FirErrorTypeRefImpl(null, null, diagnostic)
     override val receiverTypeRef: FirTypeRef? get() = null
     override val initializer: FirExpression? get() = null
     override val delegate: FirExpression? get() = null

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/impl/FirErrorExpressionImpl.kt

@@ -23,7 +23,7 @@ internal class FirErrorExpressionImpl(
     override val source: FirSourceElement?,
     override val diagnostic: ConeDiagnostic,
 ) : FirErrorExpression() {
-    override var typeRef: FirTypeRef = FirErrorTypeRefImpl(source, ConeStubDiagnostic(diagnostic))
+    override var typeRef: FirTypeRef = FirErrorTypeRefImpl(source, null, ConeStubDiagnostic(diagnostic))
     override val annotations: List<FirAnnotationCall> get() = emptyList()
 
     override fun <R, D> acceptChildren(visitor: FirVisitor<R, D>, data: D) {

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/builder/FirErrorTypeRefBuilder.kt

@@ -26,11 +26,13 @@ import org.jetbrains.kotlin.fir.visitors.*
 @FirBuilderDsl
 class FirErrorTypeRefBuilder : FirAnnotationContainerBuilder {
     override var source: FirSourceElement? = null
+    var delegatedTypeRef: FirTypeRef? = null
     lateinit var diagnostic: ConeDiagnostic
 
     override fun build(): FirErrorTypeRef {
         return FirErrorTypeRefImpl(
             source,
+            delegatedTypeRef,
             diagnostic,
         )
     }
@@ -55,6 +57,7 @@ inline fun buildErrorTypeRefCopy(original: FirErrorTypeRef, init: FirErrorTypeRe
     }
     val copyBuilder = FirErrorTypeRefBuilder()
     copyBuilder.source = original.source
+    copyBuilder.delegatedTypeRef = original.delegatedTypeRef
     copyBuilder.diagnostic = original.diagnostic
     return copyBuilder.apply(init).build()
 }

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

@@ -21,18 +21,20 @@ import org.jetbrains.kotlin.fir.visitors.*
 
 internal class FirErrorTypeRefImpl(
     override val source: FirSourceElement?,
+    override var delegatedTypeRef: FirTypeRef?,
     override val diagnostic: ConeDiagnostic,
 ) : FirErrorTypeRef() {
     override val annotations: MutableList<FirAnnotationCall> = mutableListOf()
     override val type: ConeKotlinType = ConeClassErrorType(diagnostic)
-    override val delegatedTypeRef: FirTypeRef? get() = null
 
     override fun <R, D> acceptChildren(visitor: FirVisitor<R, D>, data: D) {
         annotations.forEach { it.accept(visitor, data) }
+        delegatedTypeRef?.accept(visitor, data)
     }
 
     override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirErrorTypeRefImpl {
         transformAnnotations(transformer, data)
+        delegatedTypeRef = delegatedTypeRef?.transformSingle(transformer, data)
         return this
     }
 

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

@@ -170,10 +170,6 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
 
         val errorTypeRefImpl = impl(errorTypeRef) {
             default("type", "ConeClassErrorType(diagnostic)")
-            default("delegatedTypeRef") {
-                value = "null"
-                withGetter = true
-            }
             default("annotations", "mutableListOf()")
             useTypes(coneClassErrorTypeType)
         }
@@ -201,7 +197,7 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
                 "getter", "setter",
                 withGetter = true
             )
-            default("returnTypeRef", "FirErrorTypeRefImpl(null, diagnostic)")
+            default("returnTypeRef", "FirErrorTypeRefImpl(null, null, diagnostic)")
             useTypes(errorTypeRefImpl)
         }
 
@@ -396,13 +392,13 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
 
         impl(errorExpression) {
             defaultEmptyList("annotations")
-            default("typeRef", "FirErrorTypeRefImpl(source, ConeStubDiagnostic(diagnostic))")
+            default("typeRef", "FirErrorTypeRefImpl(source, null, ConeStubDiagnostic(diagnostic))")
             useTypes(errorTypeRefImpl, coneStubDiagnosticType)
         }
 
         impl(errorFunction) {
             defaultNull("receiverTypeRef", "body", withGetter = true)
-            default("returnTypeRef", "FirErrorTypeRefImpl(null, diagnostic)")
+            default("returnTypeRef", "FirErrorTypeRefImpl(null, null, diagnostic)")
             useTypes(errorTypeRefImpl)
         }