Refactoring: extract ResolutionFacadeImpl to separate file

idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/ProjectResolutionFacade.kt

@@ -17,26 +17,16 @@
 package org.jetbrains.kotlin.idea.caches.resolve
 
 import com.intellij.openapi.project.Project
-import com.intellij.psi.PsiElement
 import com.intellij.psi.util.CachedValueProvider
 import com.intellij.psi.util.CachedValuesManager
 import com.intellij.psi.util.PsiModificationTracker
 import com.intellij.util.containers.SLRUCache
 import org.jetbrains.kotlin.analyzer.AnalysisResult
-import org.jetbrains.kotlin.container.get
-import org.jetbrains.kotlin.container.getService
 import org.jetbrains.kotlin.context.GlobalContextImpl
-import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor
-import org.jetbrains.kotlin.idea.project.ResolveElementCache
-import org.jetbrains.kotlin.idea.resolve.ResolutionFacade
-import org.jetbrains.kotlin.psi.KtDeclaration
 import org.jetbrains.kotlin.psi.KtElement
 import org.jetbrains.kotlin.psi.KtFile
-import org.jetbrains.kotlin.resolve.BindingContext
 import org.jetbrains.kotlin.resolve.CompositeBindingContext
-import org.jetbrains.kotlin.resolve.lazy.BodyResolveMode
-import org.jetbrains.kotlin.resolve.lazy.ResolveSession
 
 internal class ProjectResolutionFacade(
         val debugString: String,
@@ -93,54 +83,4 @@ internal class ProjectResolutionFacade(
     override fun toString(): String {
         return "$debugString@${Integer.toHexString(hashCode())}"
     }
-}
+}
-
-internal class ResolutionFacadeImpl(
-        private val projectFacade: ProjectResolutionFacade,
-        private val moduleInfo: IdeaModuleInfo
-) : ResolutionFacade {
-    override val project: Project
-        get() = projectFacade.project
-
-    //TODO: ideally we would like to store moduleDescriptor once and for all
-    // but there are some usages that use resolutionFacade and mutate the psi leading to recomputation of underlying structures
-    override val moduleDescriptor: ModuleDescriptor
-        get() = findModuleDescriptor(moduleInfo)
-
-    fun findModuleDescriptor(ideaModuleInfo: IdeaModuleInfo) = projectFacade.findModuleDescriptor(ideaModuleInfo)
-
-    override fun analyze(element: KtElement, bodyResolveMode: BodyResolveMode): BindingContext {
-        val resolveElementCache = getFrontendService(element, ResolveElementCache::class.java)
-        return resolveElementCache.resolveToElement(element, bodyResolveMode)
-    }
-
-    override fun analyzeFullyAndGetResult(elements: Collection<KtElement>): AnalysisResult
-            = projectFacade.getAnalysisResultsForElements(elements)
-
-    override fun resolveToDescriptor(declaration: KtDeclaration): DeclarationDescriptor {
-        val resolveSession = projectFacade.resolverForModuleInfo(declaration.getModuleInfo()).componentProvider.get<ResolveSession>()
-        return resolveSession.resolveToDescriptor(declaration)
-    }
-
-    override fun <T : Any> getFrontendService(serviceClass: Class<T>): T  = getFrontendService(moduleInfo, serviceClass)
-
-    override fun <T : Any> getIdeService(serviceClass: Class<T>): T {
-        return projectFacade.resolverForModuleInfo(moduleInfo).componentProvider.create(serviceClass)
-    }
-
-    override fun <T : Any> getFrontendService(element: PsiElement, serviceClass: Class<T>): T {
-        return getFrontendService(element.getModuleInfo(), serviceClass)
-    }
-
-    fun <T : Any> getFrontendService(ideaModuleInfo: IdeaModuleInfo, serviceClass: Class<T>): T {
-        return projectFacade.resolverForModuleInfo(ideaModuleInfo).componentProvider.getService(serviceClass)
-    }
-
-    override fun <T : Any> getFrontendService(moduleDescriptor: ModuleDescriptor, serviceClass: Class<T>): T {
-        return projectFacade.resolverForDescriptor(moduleDescriptor).componentProvider.getService(serviceClass)
-    }
-}
-
-fun ResolutionFacade.findModuleDescriptor(ideaModuleInfo: IdeaModuleInfo): ModuleDescriptor? {
-    return (this as? ResolutionFacadeImpl)?.findModuleDescriptor(ideaModuleInfo)
-}

idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/ResolutionFacadeImpl.kt

@@ -0,0 +1,82 @@
+/*
+ * 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.idea.caches.resolve
+
+import com.intellij.openapi.project.Project
+import com.intellij.psi.PsiElement
+import org.jetbrains.kotlin.analyzer.AnalysisResult
+import org.jetbrains.kotlin.container.get
+import org.jetbrains.kotlin.container.getService
+import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
+import org.jetbrains.kotlin.descriptors.ModuleDescriptor
+import org.jetbrains.kotlin.idea.project.ResolveElementCache
+import org.jetbrains.kotlin.idea.resolve.ResolutionFacade
+import org.jetbrains.kotlin.psi.KtDeclaration
+import org.jetbrains.kotlin.psi.KtElement
+import org.jetbrains.kotlin.resolve.BindingContext
+import org.jetbrains.kotlin.resolve.lazy.BodyResolveMode
+import org.jetbrains.kotlin.resolve.lazy.ResolveSession
+
+internal class ResolutionFacadeImpl(
+        private val projectFacade: ProjectResolutionFacade,
+        private val moduleInfo: IdeaModuleInfo
+) : ResolutionFacade {
+    override val project: Project
+        get() = projectFacade.project
+
+    //TODO: ideally we would like to store moduleDescriptor once and for all
+    // but there are some usages that use resolutionFacade and mutate the psi leading to recomputation of underlying structures
+    override val moduleDescriptor: ModuleDescriptor
+        get() = findModuleDescriptor(moduleInfo)
+
+    fun findModuleDescriptor(ideaModuleInfo: IdeaModuleInfo) = projectFacade.findModuleDescriptor(ideaModuleInfo)
+
+    override fun analyze(element: KtElement, bodyResolveMode: BodyResolveMode): BindingContext {
+        val resolveElementCache = getFrontendService(element, ResolveElementCache::class.java)
+        return resolveElementCache.resolveToElement(element, bodyResolveMode)
+    }
+
+    override fun analyzeFullyAndGetResult(elements: Collection<KtElement>): AnalysisResult
+            = projectFacade.getAnalysisResultsForElements(elements)
+
+    override fun resolveToDescriptor(declaration: KtDeclaration): DeclarationDescriptor {
+        val resolveSession = projectFacade.resolverForModuleInfo(declaration.getModuleInfo()).componentProvider.get<ResolveSession>()
+        return resolveSession.resolveToDescriptor(declaration)
+    }
+
+    override fun <T : Any> getFrontendService(serviceClass: Class<T>): T  = getFrontendService(moduleInfo, serviceClass)
+
+    override fun <T : Any> getIdeService(serviceClass: Class<T>): T {
+        return projectFacade.resolverForModuleInfo(moduleInfo).componentProvider.create(serviceClass)
+    }
+
+    override fun <T : Any> getFrontendService(element: PsiElement, serviceClass: Class<T>): T {
+        return getFrontendService(element.getModuleInfo(), serviceClass)
+    }
+
+    fun <T : Any> getFrontendService(ideaModuleInfo: IdeaModuleInfo, serviceClass: Class<T>): T {
+        return projectFacade.resolverForModuleInfo(ideaModuleInfo).componentProvider.getService(serviceClass)
+    }
+
+    override fun <T : Any> getFrontendService(moduleDescriptor: ModuleDescriptor, serviceClass: Class<T>): T {
+        return projectFacade.resolverForDescriptor(moduleDescriptor).componentProvider.getService(serviceClass)
+    }
+}
+
+fun ResolutionFacade.findModuleDescriptor(ideaModuleInfo: IdeaModuleInfo): ModuleDescriptor? {
+    return (this as? ResolutionFacadeImpl)?.findModuleDescriptor(ideaModuleInfo)
+}