From f2a8e5c248ad0008bb15ea75d35a2df7c8182502 Mon Sep 17 00:00:00 2001
From: Vyacheslav Gerasimov <vyacheslav.gerasimov@jetbrains.com>
Date: Mon, 16 Jul 2018 17:01:20 +0300
Subject: [PATCH] Log name of the class caused LinkageError in
 SyntheticResolveExtension

 #EA-120641: Now it is unclear which extension caused AbstractMethodError
---
 .../extensions/SyntheticResolveExtension.kt   | 56 ++++++++++++++++---
 1 file changed, 49 insertions(+), 7 deletions(-)

diff --git a/compiler/frontend/src/org/jetbrains/kotlin/resolve/extensions/SyntheticResolveExtension.kt b/compiler/frontend/src/org/jetbrains/kotlin/resolve/extensions/SyntheticResolveExtension.kt
index d03080cd315..1564cd23ef5 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/resolve/extensions/SyntheticResolveExtension.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/resolve/extensions/SyntheticResolveExtension.kt
@@ -16,6 +16,7 @@
 
 package org.jetbrains.kotlin.resolve.extensions
 
+import com.intellij.openapi.diagnostic.Logger
 import com.intellij.openapi.project.Project
 import org.jetbrains.kotlin.descriptors.ClassDescriptor
 import org.jetbrains.kotlin.descriptors.PropertyDescriptor
@@ -36,29 +37,50 @@ interface SyntheticResolveExtension {
     companion object : ProjectExtensionDescriptor<SyntheticResolveExtension>(
         "org.jetbrains.kotlin.syntheticResolveExtension", SyntheticResolveExtension::class.java
     ) {
+        private val logger = Logger.getInstance(this::class.java)
+
+        private inline fun <T : Any, R> withLinkageErrorLogger(receiver: T, block: T.() -> R): R {
+            try {
+                return receiver.block()
+            } catch (e: LinkageError) {
+                logger.error("${receiver::class.java.name} caused LinkageError", e)
+                throw e
+            }
+        }
+
         fun getInstance(project: Project): SyntheticResolveExtension {
             val instances = getInstances(project)
             if (instances.size == 1) return instances.single()
             // return list combiner here
             return object : SyntheticResolveExtension {
                 override fun getSyntheticNestedClassNames(thisDescriptor: ClassDescriptor): List<Name> =
-                    instances.flatMap { it.getSyntheticNestedClassNames(thisDescriptor) }
+                    instances.flatMap { withLinkageErrorLogger(it) { getSyntheticNestedClassNames(thisDescriptor) } }
 
                 override fun getSyntheticFunctionNames(thisDescriptor: ClassDescriptor): List<Name> =
-                    instances.flatMap { it.getSyntheticFunctionNames(thisDescriptor) }
+                    instances.flatMap { withLinkageErrorLogger(it) { getSyntheticFunctionNames(thisDescriptor) } }
 
                 override fun generateSyntheticClasses(
                     thisDescriptor: ClassDescriptor, name: Name,
                     ctx: LazyClassContext, declarationProvider: ClassMemberDeclarationProvider,
                     result: MutableSet<ClassDescriptor>
                 ) =
-                    instances.forEach { it.generateSyntheticClasses(thisDescriptor, name, ctx, declarationProvider, result) }
+                    instances.forEach {
+                        withLinkageErrorLogger(it) {
+                            generateSyntheticClasses(
+                                thisDescriptor,
+                                name,
+                                ctx,
+                                declarationProvider,
+                                result
+                            )
+                        }
+                    }
 
                 override fun getSyntheticCompanionObjectNameIfNeeded(thisDescriptor: ClassDescriptor): Name? =
-                    instances.firstNotNullResult { it.getSyntheticCompanionObjectNameIfNeeded(thisDescriptor) }
+                    instances.firstNotNullResult { withLinkageErrorLogger(it) { getSyntheticCompanionObjectNameIfNeeded(thisDescriptor) } }
 
                 override fun addSyntheticSupertypes(thisDescriptor: ClassDescriptor, supertypes: MutableList<KotlinType>) =
-                    instances.forEach { it.addSyntheticSupertypes(thisDescriptor, supertypes) }
+                    instances.forEach { withLinkageErrorLogger(it) { addSyntheticSupertypes(thisDescriptor, supertypes) } }
 
                 // todo revert
                 override fun generateSyntheticMethods(
@@ -67,7 +89,17 @@ interface SyntheticResolveExtension {
                     fromSupertypes: List<SimpleFunctionDescriptor>,
                     result: MutableCollection<SimpleFunctionDescriptor>
                 ) =
-                    instances.forEach { it.generateSyntheticMethods(thisDescriptor, name, bindingContext, fromSupertypes, result) }
+                    instances.forEach {
+                        withLinkageErrorLogger(it) {
+                            generateSyntheticMethods(
+                                thisDescriptor,
+                                name,
+                                bindingContext,
+                                fromSupertypes,
+                                result
+                            )
+                        }
+                    }
 
                 override fun generateSyntheticProperties(
                     thisDescriptor: ClassDescriptor, name: Name,
@@ -75,7 +107,17 @@ interface SyntheticResolveExtension {
                     fromSupertypes: ArrayList<PropertyDescriptor>,
                     result: MutableSet<PropertyDescriptor>
                 ) =
-                    instances.forEach { it.generateSyntheticProperties(thisDescriptor, name, bindingContext, fromSupertypes, result) }
+                    instances.forEach {
+                        withLinkageErrorLogger(it) {
+                            generateSyntheticProperties(
+                                thisDescriptor,
+                                name,
+                                bindingContext,
+                                fromSupertypes,
+                                result
+                            )
+                        }
+                    }
             }
         }
     }