[FIR IDE] Make one global lock for resolve

idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/low/level/api/FirPhaseRunner.kt

@@ -7,28 +7,14 @@ package org.jetbrains.kotlin.idea.fir.low.level.api
 
 import org.jetbrains.kotlin.fir.declarations.FirResolvePhase
 import org.jetbrains.kotlin.idea.fir.low.level.api.util.executeWithoutPCE
-import java.util.concurrent.locks.ReentrantLock
-import kotlin.concurrent.withLock
 
 internal class FirPhaseRunner {
-    private val superTypesBodyResolveLock = ReentrantLock()
-    private val statusResolveLock = ReentrantLock()
-    private val implicitTypesResolveLock = ReentrantLock()
-
-    inline fun runPhaseWithCustomResolve(phase: FirResolvePhase, crossinline resolve: () -> Unit) = when (phase) {
-        FirResolvePhase.SUPER_TYPES -> superTypesBodyResolveLock.withLock {
-            runPhaseWithCustomResolveWithoutLock(resolve)
-        }
-        FirResolvePhase.STATUS -> statusResolveLock.withLock {
-            runPhaseWithCustomResolveWithoutLock(resolve)
-        }
-        FirResolvePhase.IMPLICIT_TYPES_BODY_RESOLVE -> implicitTypesResolveLock.withLock {
-            runPhaseWithCustomResolveWithoutLock(resolve)
-        }
-        else -> {
-            runPhaseWithCustomResolveWithoutLock(resolve)
-        }
-    }
+    /**
+     * We temporary disable multi-locks to fix deadlocks problem
+     * @see org.jetbrains.kotlin.idea.fir.low.level.api.file.builder.LockProvider
+     */
+    inline fun runPhaseWithCustomResolve(phase: FirResolvePhase, crossinline resolve: () -> Unit) =
+        runPhaseWithCustomResolveWithoutLock(resolve)
 
     private inline fun runPhaseWithCustomResolveWithoutLock(crossinline resolve: () -> Unit) {
         executeWithoutPCE {

idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/low/level/api/file/builder/LockProvider.kt

@@ -5,36 +5,26 @@
 
 package org.jetbrains.kotlin.idea.fir.low.level.api.file.builder
 
-import com.google.common.collect.MapMaker
-import com.google.common.util.concurrent.CycleDetectingLockFactory
 import org.jetbrains.kotlin.fir.declarations.FirFile
 import org.jetbrains.kotlin.idea.fir.low.level.api.annotations.PrivateForInline
 import org.jetbrains.kotlin.idea.fir.low.level.api.util.lockWithPCECheck
-import java.util.concurrent.ConcurrentMap
 import java.util.concurrent.locks.ReentrantLock
 import kotlin.concurrent.withLock
 
+/**
+ * Keyed locks provider.
+ * !!! We temporary remove its correct implementation to fix deadlocks problem. Do not use this until this comment is present
+ */
 internal class LockProvider<KEY> {
-    private val locks: ConcurrentMap<KEY, ReentrantLock> = MapMaker().weakKeys().makeMap()
-
-    @Suppress("UnstableApiUsage")
-    private val lockFactory = CycleDetectingLockFactory.newInstance(CycleDetectingLockFactory.Policies.THROW)
-
-    @Suppress("NOTHING_TO_INLINE")
-    private inline fun getLockFor(key: KEY) = locks.getOrPut(key) {
-        val file = key as FirFile
-        val name = "${file.packageDirective.packageFqName.asString()}.${file.name}"
-        @Suppress("UnstableApiUsage")
-        lockFactory.newReentrantLock(name)
-    }
+    val globalLock = ReentrantLock()
 
     @OptIn(PrivateForInline::class)
     inline fun <R> withWriteLock(key: KEY, action: () -> R): R =
-        getLockFor(key).withLock(action)
+        globalLock.withLock(action)
 
     @OptIn(PrivateForInline::class)
     inline fun <R> withWriteLockPCECheck(key: KEY, lockingIntervalMs: Long, action: () -> R): R =
-        getLockFor(key).lockWithPCECheck(lockingIntervalMs, action)
+        globalLock.lockWithPCECheck(lockingIntervalMs, action) //We temporary disable multi-locks to fix deadlocks problem
 }
 
 /**