Cleaning package naming

5 files changed, 1347 insertions, 0 deletions

diff --git a/core/src/main/kotlin/analysis/AnalysisEnvironment.kt b/core/src/main/kotlin/analysis/AnalysisEnvironment.kt
new file mode 100644
index 00000000..30a51136
--- /dev/null
+++ b/core/src/main/kotlin/analysis/AnalysisEnvironment.kt
@@ -0,0 +1,454 @@
+package org.jetbrains.dokka.analysis
+
+import com.google.common.collect.ImmutableMap
+import com.intellij.core.CoreApplicationEnvironment
+import com.intellij.core.CoreModuleManager
+import com.intellij.mock.MockComponentManager
+import com.intellij.openapi.Disposable
+import com.intellij.openapi.extensions.Extensions
+import com.intellij.openapi.module.Module
+import com.intellij.openapi.module.ModuleManager
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.roots.OrderEnumerationHandler
+import com.intellij.openapi.roots.ProjectFileIndex
+import com.intellij.openapi.roots.ProjectRootManager
+import com.intellij.openapi.util.Disposer
+import com.intellij.openapi.vfs.StandardFileSystems
+import com.intellij.psi.PsiElement
+import com.intellij.psi.search.GlobalSearchScope
+import com.intellij.util.io.URLUtil
+import org.jetbrains.dokka.Platform
+import org.jetbrains.kotlin.analyzer.*
+import org.jetbrains.kotlin.analyzer.common.CommonAnalysisParameters
+import org.jetbrains.kotlin.analyzer.common.CommonAnalyzerFacade
+import org.jetbrains.kotlin.builtins.DefaultBuiltIns
+import org.jetbrains.kotlin.builtins.KotlinBuiltIns
+import org.jetbrains.kotlin.builtins.jvm.JvmBuiltIns
+import org.jetbrains.kotlin.caches.project.LibraryModuleInfo
+import org.jetbrains.kotlin.caches.resolve.KotlinCacheService
+import org.jetbrains.kotlin.cli.common.CLIConfigurationKeys
+import org.jetbrains.kotlin.cli.common.config.ContentRoot
+import org.jetbrains.kotlin.cli.common.config.KotlinSourceRoot
+import org.jetbrains.kotlin.cli.common.config.addKotlinSourceRoot
+import org.jetbrains.kotlin.cli.common.messages.MessageCollector
+import org.jetbrains.kotlin.cli.jvm.compiler.EnvironmentConfigFiles
+import org.jetbrains.kotlin.cli.jvm.compiler.JvmPackagePartProvider
+import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
+import org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM
+import org.jetbrains.kotlin.cli.jvm.config.*
+import org.jetbrains.kotlin.cli.jvm.index.JavaRoot
+import org.jetbrains.kotlin.config.*
+import org.jetbrains.kotlin.container.getService
+import org.jetbrains.kotlin.container.tryGetService
+import org.jetbrains.kotlin.context.ProjectContext
+import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
+import org.jetbrains.kotlin.descriptors.ModuleDescriptor
+import org.jetbrains.kotlin.idea.resolve.ResolutionFacade
+import org.jetbrains.kotlin.js.config.JSConfigurationKeys
+import org.jetbrains.kotlin.js.resolve.JsPlatform
+import org.jetbrains.kotlin.load.java.structure.impl.JavaClassImpl
+import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.psi.*
+import org.jetbrains.kotlin.resolve.*
+import org.jetbrains.kotlin.resolve.diagnostics.Diagnostics
+import org.jetbrains.kotlin.resolve.jvm.JvmAnalyzerFacade
+import org.jetbrains.kotlin.resolve.jvm.JvmPlatformParameters
+import org.jetbrains.kotlin.resolve.jvm.platform.JvmPlatform
+import org.jetbrains.kotlin.resolve.konan.platform.KonanPlatform
+import org.jetbrains.kotlin.resolve.lazy.BodyResolveMode
+import org.jetbrains.kotlin.resolve.lazy.ResolveSession
+import org.jetbrains.kotlin.types.KotlinType
+import org.jetbrains.kotlin.util.slicedMap.ReadOnlySlice
+import org.jetbrains.kotlin.util.slicedMap.WritableSlice
+import java.io.File
+
+/**
+ * Kotlin as a service entry point
+ *
+ * Configures environment, analyses files and provides facilities to perform code processing without emitting bytecode
+ *
+ * $messageCollector: required by compiler infrastructure and will receive all compiler messages
+ * $body: optional and can be used to configure environment without creating local variable
+ */
+class AnalysisEnvironment(val messageCollector: MessageCollector, val analysisPlatform: Platform) : Disposable {
+    val configuration = CompilerConfiguration()
+
+    init {
+        configuration.put(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY, messageCollector)
+    }
+
+    fun createCoreEnvironment(): KotlinCoreEnvironment {
+        System.setProperty("idea.io.use.fallback", "true")
+
+        val configFiles = when (analysisPlatform) {
+            Platform.jvm, Platform.common -> EnvironmentConfigFiles.JVM_CONFIG_FILES
+            Platform.native -> EnvironmentConfigFiles.NATIVE_CONFIG_FILES
+            Platform.js -> EnvironmentConfigFiles.JS_CONFIG_FILES
+        }
+        val environment = KotlinCoreEnvironment.createForProduction(this, configuration, configFiles)
+        val projectComponentManager = environment.project as MockComponentManager
+
+        val projectFileIndex = CoreProjectFileIndex(environment.project,
+                environment.configuration.getList(CLIConfigurationKeys.CONTENT_ROOTS))
+
+
+        val moduleManager = object : CoreModuleManager(environment.project, this) {
+            override fun getModules(): Array<out Module> = arrayOf(projectFileIndex.module)
+        }
+
+        CoreApplicationEnvironment.registerComponentInstance(projectComponentManager.picoContainer,
+                ModuleManager::class.java, moduleManager)
+
+        Extensions.registerAreaClass("IDEA_MODULE", null)
+        CoreApplicationEnvironment.registerExtensionPoint(Extensions.getRootArea(),
+                OrderEnumerationHandler.EP_NAME, OrderEnumerationHandler.Factory::class.java)
+
+        projectComponentManager.registerService(ProjectFileIndex::class.java,
+                projectFileIndex)
+        projectComponentManager.registerService(ProjectRootManager::class.java,
+                CoreProjectRootManager(projectFileIndex))
+        return environment
+    }
+
+    fun createSourceModuleSearchScope(project: Project, sourceFiles: List<KtFile>): GlobalSearchScope =
+        when (analysisPlatform) {
+            Platform.jvm -> TopDownAnalyzerFacadeForJVM.newModuleSearchScope(project, sourceFiles)
+            Platform.js, Platform.common, Platform.native -> GlobalSearchScope.filesScope(project, sourceFiles.map { it.virtualFile }.toSet())
+        }
+
+
+    fun createResolutionFacade(environment: KotlinCoreEnvironment): Pair<DokkaResolutionFacade, DokkaResolutionFacade> {
+
+        val projectContext = ProjectContext(environment.project)
+        val sourceFiles = environment.getSourceFiles()
+
+
+        val targetPlatform = when (analysisPlatform) {
+            Platform.js -> JsPlatform
+            Platform.common -> TargetPlatform.Common
+            Platform.native -> KonanPlatform
+            Platform.jvm -> JvmPlatform
+        }
+
+        val library = object : LibraryModuleInfo {
+            override val platform: TargetPlatform
+                get() = targetPlatform
+
+            override fun getLibraryRoots(): Collection<String> {
+                return classpath.map { it.absolutePath }
+            }
+
+            override val name: Name = Name.special("<library>")
+            override fun dependencies(): List<ModuleInfo> = listOf(this)
+        }
+        val module = object : ModuleInfo {
+            override val name: Name = Name.special("<module>")
+            override fun dependencies(): List<ModuleInfo> = listOf(this, library)
+        }
+
+        val sourcesScope = createSourceModuleSearchScope(environment.project, sourceFiles)
+        val modulesContent: (ModuleInfo) -> ModuleContent<ModuleInfo> = {
+            when (it) {
+                library -> ModuleContent(it, emptyList(), GlobalSearchScope.notScope(sourcesScope))
+                module -> ModuleContent(it, emptyList(), GlobalSearchScope.allScope(environment.project))
+                else -> throw IllegalArgumentException("Unexpected module info")
+            }
+        }
+
+        var builtIns: JvmBuiltIns? = null
+
+        val resolverForProject = when (analysisPlatform) {
+            Platform.jvm -> {
+                builtIns = JvmBuiltIns(projectContext.storageManager)
+                createJvmResolverForProject(projectContext, module, library, modulesContent, sourcesScope, builtIns)
+            }
+            Platform.common -> createCommonResolverForProject(projectContext, module, library, modulesContent, environment)
+            Platform.js -> createJsResolverForProject(projectContext, module, library, modulesContent)
+            Platform.native -> createNativeResolverForProject(projectContext, module, library, modulesContent)
+
+        }
+        val resolverForLibrary = resolverForProject.resolverForModule(library) // Required before module to initialize library properly
+        val resolverForModule = resolverForProject.resolverForModule(module)
+        val libraryModuleDescriptor = resolverForProject.descriptorForModule(library)
+        val moduleDescriptor = resolverForProject.descriptorForModule(module)
+        builtIns?.initialize(moduleDescriptor, true)
+        val libraryResolutionFacade = DokkaResolutionFacade(environment.project, libraryModuleDescriptor, resolverForLibrary)
+        val created = DokkaResolutionFacade(environment.project, moduleDescriptor, resolverForModule)
+        val projectComponentManager = environment.project as MockComponentManager
+        projectComponentManager.registerService(KotlinCacheService::class.java, CoreKotlinCacheService(created))
+
+        return created to libraryResolutionFacade
+    }
+
+    private fun createCommonResolverForProject(
+        projectContext: ProjectContext,
+        module: ModuleInfo,
+        library: LibraryModuleInfo,
+        modulesContent: (ModuleInfo) -> ModuleContent<ModuleInfo>,
+        environment: KotlinCoreEnvironment
+    ): ResolverForProjectImpl<ModuleInfo> {
+        return ResolverForProjectImpl(
+            debugName = "Dokka",
+            projectContext = projectContext,
+            modules = listOf(module, library),
+            modulesContent = modulesContent,
+            modulePlatforms = { MultiTargetPlatform.Common },
+            moduleLanguageSettingsProvider = LanguageSettingsProvider.Default /* TODO: Fix this */,
+            resolverForModuleFactoryByPlatform = { CommonAnalyzerFacade },
+            platformParameters = { _ ->
+                CommonAnalysisParameters { content ->
+                    environment.createPackagePartProvider(content.moduleContentScope)
+                }
+            },
+            targetEnvironment = CompilerEnvironment,
+            builtIns = DefaultBuiltIns.Instance
+        )
+    }
+
+    private fun createJsResolverForProject(
+        projectContext: ProjectContext,
+        module: ModuleInfo,
+        library: LibraryModuleInfo,
+        modulesContent: (ModuleInfo) -> ModuleContent<ModuleInfo>
+    ): ResolverForProjectImpl<ModuleInfo> {
+        return ResolverForProjectImpl(
+            debugName = "Dokka",
+            projectContext = projectContext,
+            modules = listOf(module, library),
+            modulesContent = modulesContent,
+            modulePlatforms = { JsPlatform.multiTargetPlatform },
+            moduleLanguageSettingsProvider = LanguageSettingsProvider.Default /* TODO: Fix this */,
+            resolverForModuleFactoryByPlatform = { DokkaJsAnalyzerFacade },
+            platformParameters = { _ -> PlatformAnalysisParameters.Empty },
+            targetEnvironment = CompilerEnvironment,
+            builtIns = JsPlatform.builtIns
+        )
+    }
+
+    private fun createNativeResolverForProject(
+        projectContext: ProjectContext,
+        module: ModuleInfo,
+        library: LibraryModuleInfo,
+        modulesContent: (ModuleInfo) -> ModuleContent<ModuleInfo>
+    ): ResolverForProjectImpl<ModuleInfo> {
+        return ResolverForProjectImpl(
+            debugName = "Dokka",
+            projectContext = projectContext,
+            modules = listOf(module, library),
+            modulesContent = modulesContent,
+            modulePlatforms = { KonanPlatform.multiTargetPlatform },
+            moduleLanguageSettingsProvider = LanguageSettingsProvider.Default /* TODO: Fix this */,
+            resolverForModuleFactoryByPlatform = { DokkaNativeAnalyzerFacade },
+            platformParameters = { _ -> PlatformAnalysisParameters.Empty },
+            targetEnvironment = CompilerEnvironment
+        )
+
+    }
+
+    private fun createJvmResolverForProject(
+        projectContext: ProjectContext,
+        module: ModuleInfo,
+        library: LibraryModuleInfo,
+        modulesContent: (ModuleInfo) -> ModuleContent<ModuleInfo>,
+        sourcesScope: GlobalSearchScope,
+        builtIns: KotlinBuiltIns
+    ): ResolverForProjectImpl<ModuleInfo> {
+        val javaRoots = classpath
+            .mapNotNull {
+                val rootFile = when {
+                    it.extension == "jar" ->
+                        StandardFileSystems.jar().findFileByPath("${it.absolutePath}${URLUtil.JAR_SEPARATOR}")
+                    else ->
+                        StandardFileSystems.local().findFileByPath(it.absolutePath)
+                }
+
+                rootFile?.let { JavaRoot(it, JavaRoot.RootType.BINARY) }
+            }
+
+        return ResolverForProjectImpl(
+            debugName = "Dokka",
+            projectContext = projectContext,
+            modules = listOf(library, module),
+            modulesContent = {
+                when (it) {
+                    library -> ModuleContent(it, emptyList(), GlobalSearchScope.notScope(sourcesScope))
+                    module -> ModuleContent(it, emptyList(), sourcesScope)
+                    else -> throw IllegalArgumentException("Unexpected module info")
+                }
+            },
+            modulePlatforms = { JvmPlatform.multiTargetPlatform },
+            moduleLanguageSettingsProvider = LanguageSettingsProvider.Default /* TODO: Fix this */,
+            resolverForModuleFactoryByPlatform = { JvmAnalyzerFacade },
+            platformParameters = {
+                JvmPlatformParameters ({ content ->
+                    JvmPackagePartProvider(
+                        configuration.languageVersionSettings,
+                        content.moduleContentScope)
+                        .apply {
+                            addRoots(javaRoots, messageCollector)
+                        }
+                }, {
+                    val file = (it as JavaClassImpl).psi.containingFile.virtualFile
+                    if (file in sourcesScope)
+                        module
+                    else
+                        library
+                })
+            },
+            targetEnvironment = CompilerEnvironment,
+            builtIns = builtIns
+        )
+    }
+
+    fun loadLanguageVersionSettings(languageVersionString: String?, apiVersionString: String?) {
+        val languageVersion = LanguageVersion.fromVersionString(languageVersionString) ?: LanguageVersion.LATEST_STABLE
+        val apiVersion = apiVersionString?.let { ApiVersion.parse(it) } ?: ApiVersion.createByLanguageVersion(languageVersion)
+        configuration.languageVersionSettings = LanguageVersionSettingsImpl(languageVersion, apiVersion)
+    }
+
+    /**
+     * Classpath for this environment.
+     */
+    val classpath: List<File>
+        get() = configuration.jvmClasspathRoots
+
+    /**
+     * Adds list of paths to classpath.
+     * $paths: collection of files to add
+     */
+    fun addClasspath(paths: List<File>) {
+        if (analysisPlatform == Platform.js) {
+            configuration.addAll(JSConfigurationKeys.LIBRARIES, paths.map { it.absolutePath })
+        }
+        configuration.addJvmClasspathRoots(paths)
+    }
+
+    /**
+     * Adds path to classpath.
+     * $path: path to add
+     */
+    fun addClasspath(path: File) {
+        if (analysisPlatform == Platform.js) {
+            configuration.add(JSConfigurationKeys.LIBRARIES, path.absolutePath)
+        }
+        configuration.addJvmClasspathRoot(path)
+    }
+
+    /**
+     * List of source roots for this environment.
+     */
+    val sources: List<String>
+        get() = configuration.get(CLIConfigurationKeys.CONTENT_ROOTS)
+                ?.filterIsInstance<KotlinSourceRoot>()
+                ?.map { it.path } ?: emptyList()
+
+    /**
+     * Adds list of paths to source roots.
+     * $list: collection of files to add
+     */
+    fun addSources(list: List<String>) {
+        list.forEach {
+            configuration.addKotlinSourceRoot(it)
+            val file = File(it)
+            if (file.isDirectory || file.extension == ".java") {
+                configuration.addJavaSourceRoot(file)
+            }
+        }
+    }
+
+    fun addRoots(list: List<ContentRoot>) {
+        configuration.addAll(CLIConfigurationKeys.CONTENT_ROOTS, list)
+    }
+
+    /**
+     * Disposes the environment and frees all associated resources.
+     */
+    override fun dispose() {
+        Disposer.dispose(this)
+    }
+}
+
+fun contentRootFromPath(path: String): ContentRoot {
+    val file = File(path)
+    return if (file.extension == "java") JavaSourceRoot(file, null) else KotlinSourceRoot(path, false)
+}
+
+
+class DokkaResolutionFacade(override val project: Project,
+                            override val moduleDescriptor: ModuleDescriptor,
+                            val resolverForModule: ResolverForModule) : ResolutionFacade {
+    override fun analyzeWithAllCompilerChecks(elements: Collection<KtElement>): AnalysisResult {
+        throw UnsupportedOperationException()
+    }
+
+    override fun <T : Any> tryGetFrontendService(element: PsiElement, serviceClass: Class<T>): T? {
+        return resolverForModule.componentProvider.tryGetService(serviceClass)
+    }
+
+    override fun resolveToDescriptor(declaration: KtDeclaration, bodyResolveMode: BodyResolveMode): DeclarationDescriptor {
+        return resolveSession.resolveToDescriptor(declaration)
+    }
+
+    override fun analyze(elements: Collection<KtElement>, bodyResolveMode: BodyResolveMode): BindingContext {
+        throw UnsupportedOperationException()
+    }
+
+    val resolveSession: ResolveSession get() = getFrontendService(ResolveSession::class.java)
+
+    override fun analyze(element: KtElement, bodyResolveMode: BodyResolveMode): BindingContext {
+        if (element is KtDeclaration) {
+            val descriptor = resolveToDescriptor(element)
+            return object : BindingContext {
+                override fun <K : Any?, V : Any?> getKeys(p0: WritableSlice<K, V>?): Collection<K> {
+                    throw UnsupportedOperationException()
+                }
+
+                override fun getType(p0: KtExpression): KotlinType? {
+                    throw UnsupportedOperationException()
+                }
+
+                override fun <K : Any?, V : Any?> get(slice: ReadOnlySlice<K, V>?, key: K): V? {
+                    if (key != element) {
+                        throw UnsupportedOperationException()
+                    }
+                    return when {
+                        slice == BindingContext.DECLARATION_TO_DESCRIPTOR -> descriptor as V
+                        slice == BindingContext.PRIMARY_CONSTRUCTOR_PARAMETER && (element as KtParameter).hasValOrVar() -> descriptor as V
+                        else -> null
+                    }
+                }
+
+                override fun getDiagnostics(): Diagnostics {
+                    throw UnsupportedOperationException()
+                }
+
+                override fun addOwnDataTo(p0: BindingTrace, p1: Boolean) {
+                    throw UnsupportedOperationException()
+                }
+
+                override fun <K : Any?, V : Any?> getSliceContents(p0: ReadOnlySlice<K, V>): ImmutableMap<K, V> {
+                    throw UnsupportedOperationException()
+                }
+
+            }
+        }
+        throw UnsupportedOperationException()
+    }
+
+    override fun <T : Any> getFrontendService(element: PsiElement, serviceClass: Class<T>): T {
+        throw UnsupportedOperationException()
+    }
+
+    override fun <T : Any> getFrontendService(serviceClass: Class<T>): T {
+        return resolverForModule.componentProvider.getService(serviceClass)
+    }
+
+    override fun <T : Any> getFrontendService(moduleDescriptor: ModuleDescriptor, serviceClass: Class<T>): T {
+        return resolverForModule.componentProvider.getService(serviceClass)
+    }
+
+    override fun <T : Any> getIdeService(serviceClass: Class<T>): T {
+        throw UnsupportedOperationException()
+    }
+
+}
diff --git a/core/src/main/kotlin/analysis/CoreKotlinCacheService.kt b/core/src/main/kotlin/analysis/CoreKotlinCacheService.kt
new file mode 100644
index 00000000..509c4e10
--- /dev/null
+++ b/core/src/main/kotlin/analysis/CoreKotlinCacheService.kt
@@ -0,0 +1,30 @@
+package org.jetbrains.dokka.analysis
+
+import com.intellij.psi.PsiFile
+import org.jetbrains.kotlin.analyzer.ModuleInfo
+import org.jetbrains.kotlin.caches.resolve.KotlinCacheService
+import org.jetbrains.kotlin.idea.resolve.ResolutionFacade
+import org.jetbrains.kotlin.psi.KtElement
+import org.jetbrains.kotlin.resolve.TargetPlatform
+import org.jetbrains.kotlin.resolve.diagnostics.KotlinSuppressCache
+
+
+class CoreKotlinCacheService(private val resolutionFacade: DokkaResolutionFacade) : KotlinCacheService {
+    override fun getResolutionFacade(elements: List<KtElement>): ResolutionFacade {
+        return resolutionFacade
+    }
+
+    override fun getResolutionFacadeByFile(file: PsiFile, platform: TargetPlatform): ResolutionFacade {
+        return resolutionFacade
+    }
+
+    override fun getResolutionFacadeByModuleInfo(moduleInfo: ModuleInfo, platform: TargetPlatform): ResolutionFacade? {
+        return resolutionFacade
+    }
+
+    override fun getSuppressionCache(): KotlinSuppressCache {
+        throw UnsupportedOperationException()
+    }
+
+}
+
diff --git a/core/src/main/kotlin/analysis/CoreProjectFileIndex.kt b/core/src/main/kotlin/analysis/CoreProjectFileIndex.kt
new file mode 100644
index 00000000..6863a266
--- /dev/null
+++ b/core/src/main/kotlin/analysis/CoreProjectFileIndex.kt
@@ -0,0 +1,568 @@
+package org.jetbrains.dokka.analysis
+
+import com.intellij.openapi.Disposable
+import com.intellij.openapi.components.BaseComponent
+import com.intellij.openapi.extensions.ExtensionPointName
+import com.intellij.openapi.module.Module
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.projectRoots.Sdk
+import com.intellij.openapi.projectRoots.SdkAdditionalData
+import com.intellij.openapi.projectRoots.SdkModificator
+import com.intellij.openapi.projectRoots.SdkTypeId
+import com.intellij.openapi.roots.*
+import com.intellij.openapi.roots.impl.ProjectOrderEnumerator
+import com.intellij.openapi.util.Condition
+import com.intellij.openapi.util.Key
+import com.intellij.openapi.util.UserDataHolderBase
+import com.intellij.openapi.vfs.StandardFileSystems
+import com.intellij.openapi.vfs.VirtualFile
+import com.intellij.openapi.vfs.VirtualFileFilter
+import com.intellij.psi.search.GlobalSearchScope
+import com.intellij.util.messages.MessageBus
+import org.jetbrains.jps.model.module.JpsModuleSourceRootType
+import org.jetbrains.kotlin.cli.common.config.ContentRoot
+import org.jetbrains.kotlin.cli.common.config.KotlinSourceRoot
+import org.jetbrains.kotlin.cli.jvm.config.JvmClasspathRoot
+import org.jetbrains.kotlin.cli.jvm.config.JvmContentRoot
+import org.picocontainer.PicoContainer
+import java.io.File
+
+/**
+ * Workaround for the lack of ability to create a ProjectFileIndex implementation using only
+ * classes from projectModel-{api,impl}.
+ */
+class CoreProjectFileIndex(private val project: Project, contentRoots: List<ContentRoot>) : ProjectFileIndex, ModuleFileIndex {
+    override fun iterateContent(p0: ContentIterator, p1: VirtualFileFilter?): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    override fun iterateContentUnderDirectory(p0: VirtualFile, p1: ContentIterator, p2: VirtualFileFilter?): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    override fun isInLibrary(p0: VirtualFile): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    val sourceRoots = contentRoots.filter { it !is JvmClasspathRoot }
+    val classpathRoots = contentRoots.filterIsInstance<JvmClasspathRoot>()
+
+    val module: Module = object : UserDataHolderBase(), Module {
+        override fun isDisposed(): Boolean {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getOptionValue(p0: String): String? {
+            throw UnsupportedOperationException()
+        }
+
+        override fun clearOption(p0: String) {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getName(): String = "<Dokka module>"
+
+        override fun getModuleWithLibrariesScope(): GlobalSearchScope {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModuleWithDependentsScope(): GlobalSearchScope {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModuleContentScope(): GlobalSearchScope {
+            throw UnsupportedOperationException()
+        }
+
+        override fun isLoaded(): Boolean {
+            throw UnsupportedOperationException()
+        }
+
+        override fun setOption(p0: String, p1: String?) {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModuleWithDependenciesScope(): GlobalSearchScope {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModuleWithDependenciesAndLibrariesScope(p0: Boolean): GlobalSearchScope {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getProject(): Project = this@CoreProjectFileIndex.project
+
+        override fun getModuleContentWithDependenciesScope(): GlobalSearchScope {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModuleFilePath(): String {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModuleTestsWithDependentsScope(): GlobalSearchScope {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModuleScope(): GlobalSearchScope {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModuleScope(p0: Boolean): GlobalSearchScope {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModuleRuntimeScope(p0: Boolean): GlobalSearchScope {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModuleFile(): VirtualFile? {
+            throw UnsupportedOperationException()
+        }
+
+        override fun <T : Any?> getExtensions(p0: ExtensionPointName<T>): Array<out T> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getComponent(p0: String): BaseComponent? {
+            throw UnsupportedOperationException()
+        }
+
+        override fun <T : Any?> getComponent(p0: Class<T>, p1: T): T {
+            throw UnsupportedOperationException()
+        }
+
+        override fun <T : Any?> getComponent(interfaceClass: Class<T>): T? {
+            if (interfaceClass == ModuleRootManager::class.java) {
+                return moduleRootManager as T
+            }
+            throw UnsupportedOperationException()
+        }
+
+        override fun getDisposed(): Condition<*> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun <T : Any?> getComponents(p0: Class<T>): Array<out T> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getPicoContainer(): PicoContainer {
+            throw UnsupportedOperationException()
+        }
+
+        override fun hasComponent(p0: Class<*>): Boolean {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getMessageBus(): MessageBus {
+            throw UnsupportedOperationException()
+        }
+
+        override fun dispose() {
+            throw UnsupportedOperationException()
+        }
+    }
+
+    private val sdk: Sdk = object : Sdk, RootProvider {
+        override fun getFiles(rootType: OrderRootType): Array<out VirtualFile> = classpathRoots
+                .mapNotNull { StandardFileSystems.local().findFileByPath(it.file.path) }
+                .toTypedArray()
+
+        override fun addRootSetChangedListener(p0: RootProvider.RootSetChangedListener) {
+            throw UnsupportedOperationException()
+        }
+
+        override fun addRootSetChangedListener(p0: RootProvider.RootSetChangedListener, p1: Disposable) {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getUrls(p0: OrderRootType): Array<out String> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun removeRootSetChangedListener(p0: RootProvider.RootSetChangedListener) {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getSdkModificator(): SdkModificator {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getName(): String = "<dokka SDK>"
+
+        override fun getRootProvider(): RootProvider = this
+
+        override fun getHomePath(): String? {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getVersionString(): String? {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getSdkAdditionalData(): SdkAdditionalData? {
+            throw UnsupportedOperationException()
+        }
+
+        override fun clone(): Any {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getSdkType(): SdkTypeId {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getHomeDirectory(): VirtualFile? {
+            throw UnsupportedOperationException()
+        }
+
+        override fun <T : Any?> getUserData(p0: Key<T>): T? {
+            throw UnsupportedOperationException()
+        }
+
+        override fun <T : Any?> putUserData(p0: Key<T>, p1: T?) {
+            throw UnsupportedOperationException()
+        }
+    }
+
+    private val moduleSourceOrderEntry = object : ModuleSourceOrderEntry {
+        override fun getFiles(p0: OrderRootType): Array<VirtualFile> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getUrls(p0: OrderRootType): Array<String> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun <R : Any?> accept(p0: RootPolicy<R>, p1: R?): R {
+            throw UnsupportedOperationException()
+        }
+
+
+        override fun getPresentableName(): String {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getOwnerModule(): Module = module
+
+
+        override fun isValid(): Boolean {
+            throw UnsupportedOperationException()
+        }
+
+        override fun compareTo(other: OrderEntry?): Int {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getRootModel(): ModuleRootModel = moduleRootManager
+
+        override fun isSynthetic(): Boolean {
+            throw UnsupportedOperationException()
+        }
+    }
+
+    private val sdkOrderEntry = object : JdkOrderEntry {
+        override fun getFiles(p0: OrderRootType): Array<VirtualFile> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getUrls(p0: OrderRootType): Array<String> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun <R : Any?> accept(p0: RootPolicy<R>, p1: R?): R {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getJdkName(): String? {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getJdk(): Sdk = sdk
+
+        override fun getPresentableName(): String {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getOwnerModule(): Module {
+            throw UnsupportedOperationException()
+        }
+
+        override fun isValid(): Boolean {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getRootFiles(p0: OrderRootType): Array<out VirtualFile> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getRootUrls(p0: OrderRootType): Array<out String> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun compareTo(other: OrderEntry?): Int {
+            throw UnsupportedOperationException()
+        }
+
+        override fun isSynthetic(): Boolean {
+            throw UnsupportedOperationException()
+        }
+
+    }
+
+    inner class MyModuleRootManager : ModuleRootManager() {
+        override fun getExternalSource(): ProjectModelExternalSource? {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getExcludeRoots(): Array<out VirtualFile> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getContentEntries(): Array<out ContentEntry> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getExcludeRootUrls(): Array<out String> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun <R : Any?> processOrder(p0: RootPolicy<R>?, p1: R): R {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getSourceRoots(p0: Boolean): Array<out VirtualFile> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getSourceRoots(): Array<out VirtualFile> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getSourceRoots(p0: JpsModuleSourceRootType<*>): MutableList<VirtualFile> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getSourceRoots(p0: MutableSet<out JpsModuleSourceRootType<*>>): MutableList<VirtualFile> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getContentRoots(): Array<out VirtualFile> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun orderEntries(): OrderEnumerator =
+                ProjectOrderEnumerator(project, null).using(object : RootModelProvider {
+                    override fun getModules(): Array<out Module> = arrayOf(module)
+
+                    override fun getRootModel(p0: Module): ModuleRootModel = this@MyModuleRootManager
+                })
+
+        override fun <T : Any?> getModuleExtension(p0: Class<T>): T {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getDependencyModuleNames(): Array<out String> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModule(): Module = this@CoreProjectFileIndex.module
+
+        override fun isSdkInherited(): Boolean {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getOrderEntries(): Array<out OrderEntry> = arrayOf(moduleSourceOrderEntry, sdkOrderEntry)
+
+        override fun getSourceRootUrls(): Array<out String> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getSourceRootUrls(p0: Boolean): Array<out String> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getSdk(): Sdk? {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getContentRootUrls(): Array<out String> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModuleDependencies(): Array<out Module> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModuleDependencies(p0: Boolean): Array<out Module> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getModifiableModel(): ModifiableRootModel {
+            throw UnsupportedOperationException()
+        }
+
+        override fun isDependsOn(p0: Module?): Boolean {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getFileIndex(): ModuleFileIndex {
+            return this@CoreProjectFileIndex
+        }
+
+        override fun getDependencies(): Array<out Module> {
+            throw UnsupportedOperationException()
+        }
+
+        override fun getDependencies(p0: Boolean): Array<out Module> {
+            throw UnsupportedOperationException()
+        }
+    }
+
+    val moduleRootManager = MyModuleRootManager()
+
+    override fun getContentRootForFile(p0: VirtualFile): VirtualFile? {
+        throw UnsupportedOperationException()
+    }
+
+    override fun getContentRootForFile(p0: VirtualFile, p1: Boolean): VirtualFile? {
+        throw UnsupportedOperationException()
+    }
+
+    override fun getPackageNameByDirectory(p0: VirtualFile): String? {
+        throw UnsupportedOperationException()
+    }
+
+    override fun isInLibrarySource(file: VirtualFile): Boolean = false
+
+    override fun getClassRootForFile(file: VirtualFile): VirtualFile? =
+        classpathRoots.firstOrNull { it.contains(file) }?.let { StandardFileSystems.local().findFileByPath(it.file.path) }
+
+    override fun getOrderEntriesForFile(file: VirtualFile): List<OrderEntry> =
+        if (classpathRoots.contains(file)) listOf(sdkOrderEntry) else emptyList()
+
+    override fun isInLibraryClasses(file: VirtualFile): Boolean = classpathRoots.contains(file)
+
+    override fun isExcluded(p0: VirtualFile): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    override fun getSourceRootForFile(p0: VirtualFile): VirtualFile? {
+        throw UnsupportedOperationException()
+    }
+
+    override fun isUnderIgnored(p0: VirtualFile): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    override fun isLibraryClassFile(p0: VirtualFile): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    override fun getModuleForFile(file: VirtualFile): Module? =
+            if (sourceRoots.contains(file)) module else null
+
+    private fun List<ContentRoot>.contains(file: VirtualFile): Boolean = any { it.contains(file) }
+
+    override fun getModuleForFile(p0: VirtualFile, p1: Boolean): Module? {
+        throw UnsupportedOperationException()
+    }
+
+    override fun isInSource(p0: VirtualFile): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    override fun isIgnored(p0: VirtualFile): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    override fun isContentSourceFile(p0: VirtualFile): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    override fun isInSourceContent(file: VirtualFile): Boolean = sourceRoots.contains(file)
+
+    override fun iterateContent(p0: ContentIterator): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    override fun isInContent(p0: VirtualFile): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    override fun iterateContentUnderDirectory(p0: VirtualFile, p1: ContentIterator): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    override fun isInTestSourceContent(file: VirtualFile): Boolean = false
+
+    override fun isUnderSourceRootOfType(p0: VirtualFile, p1: MutableSet<out JpsModuleSourceRootType<*>>): Boolean {
+        throw UnsupportedOperationException()
+    }
+
+    override fun getOrderEntryForFile(p0: VirtualFile): OrderEntry? {
+        throw UnsupportedOperationException()
+    }
+}
+
+class CoreProjectRootManager(val projectFileIndex: CoreProjectFileIndex) : ProjectRootManager() {
+    override fun orderEntries(): OrderEnumerator {
+        throw UnsupportedOperationException()
+    }
+
+    override fun orderEntries(p0: MutableCollection<out Module>): OrderEnumerator {
+        throw UnsupportedOperationException()
+    }
+
+    override fun getContentRootsFromAllModules(): Array<out VirtualFile>? {
+        throw UnsupportedOperationException()
+    }
+
+    override fun setProjectSdk(p0: Sdk?) {
+        throw UnsupportedOperationException()
+    }
+
+    override fun setProjectSdkName(p0: String?) {
+        throw UnsupportedOperationException()
+    }
+
+    override fun getModuleSourceRoots(p0: MutableSet<out JpsModuleSourceRootType<*>>): MutableList<VirtualFile> {
+        throw UnsupportedOperationException()
+    }
+
+    override fun getContentSourceRoots(): Array<out VirtualFile> {
+        throw UnsupportedOperationException()
+    }
+
+    override fun getFileIndex(): ProjectFileIndex = projectFileIndex
+
+    override fun getProjectSdkName(): String? {
+        throw UnsupportedOperationException()
+    }
+
+    override fun getProjectSdk(): Sdk? {
+        throw UnsupportedOperationException()
+    }
+
+    override fun getContentRoots(): Array<out VirtualFile> {
+        throw UnsupportedOperationException()
+    }
+
+    override fun getContentRootUrls(): MutableList<String> {
+        throw UnsupportedOperationException()
+    }
+
+}
+
+fun ContentRoot.contains(file: VirtualFile) = when (this) {
+    is JvmContentRoot -> {
+        val path = if (file.fileSystem.protocol == StandardFileSystems.JAR_PROTOCOL)
+            StandardFileSystems.getVirtualFileForJar(file)?.path ?: file.path
+        else
+            file.path
+        File(path).startsWith(this.file.absoluteFile)
+    }
+    is KotlinSourceRoot -> File(file.path).startsWith(File(this.path).absoluteFile)
+    else -> false
+}
diff --git a/core/src/main/kotlin/analysis/DokkaAnalyzerFacades.kt b/core/src/main/kotlin/analysis/DokkaAnalyzerFacades.kt
new file mode 100644
index 00000000..c69ff645
--- /dev/null
+++ b/core/src/main/kotlin/analysis/DokkaAnalyzerFacades.kt
@@ -0,0 +1,164 @@
+package org.jetbrains.dokka.analysis
+
+import org.jetbrains.kotlin.analyzer.*
+import org.jetbrains.kotlin.caches.project.LibraryModuleInfo
+import org.jetbrains.kotlin.config.LanguageVersionSettings
+import org.jetbrains.kotlin.config.TargetPlatformVersion
+import org.jetbrains.kotlin.container.StorageComponentContainer
+import org.jetbrains.kotlin.container.get
+import org.jetbrains.kotlin.container.useImpl
+import org.jetbrains.kotlin.container.useInstance
+import org.jetbrains.kotlin.context.ModuleContext
+import org.jetbrains.kotlin.descriptors.impl.CompositePackageFragmentProvider
+import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl
+import org.jetbrains.kotlin.frontend.di.configureModule
+import org.jetbrains.kotlin.ide.konan.KOTLIN_NATIVE_CURRENT_ABI_VERSION
+import org.jetbrains.kotlin.ide.konan.createPackageFragmentProvider
+import org.jetbrains.kotlin.incremental.components.LookupTracker
+import org.jetbrains.kotlin.js.resolve.JsPlatform
+import org.jetbrains.kotlin.konan.file.File
+import org.jetbrains.kotlin.konan.library.createKonanLibrary
+import org.jetbrains.kotlin.resolve.*
+import org.jetbrains.kotlin.resolve.konan.platform.KonanPlatform
+import org.jetbrains.kotlin.resolve.lazy.ResolveSession
+import org.jetbrains.kotlin.resolve.lazy.declarations.DeclarationProviderFactory
+import org.jetbrains.kotlin.resolve.lazy.declarations.DeclarationProviderFactoryService
+import org.jetbrains.kotlin.serialization.js.KotlinJavascriptSerializationUtil
+import org.jetbrains.kotlin.serialization.js.createKotlinJavascriptPackageFragmentProvider
+import org.jetbrains.kotlin.utils.KotlinJavascriptMetadataUtils
+
+fun createContainerForLazyResolve(
+    moduleContext: ModuleContext,
+    declarationProviderFactory: DeclarationProviderFactory,
+    bindingTrace: BindingTrace,
+    platform: TargetPlatform,
+    targetPlatformVersion: TargetPlatformVersion,
+    targetEnvironment: TargetEnvironment,
+    languageVersionSettings: LanguageVersionSettings
+): StorageComponentContainer = createContainer("LazyResolve", platform) {
+    configureModule(moduleContext, platform, targetPlatformVersion, bindingTrace)
+
+    useInstance(declarationProviderFactory)
+    useInstance(languageVersionSettings)
+
+    useImpl<AnnotationResolverImpl>()
+    useImpl<CompilerDeserializationConfiguration>()
+    targetEnvironment.configure(this)
+
+    useImpl<ResolveSession>()
+    useImpl<LazyTopDownAnalyzer>()
+}
+
+
+object DokkaJsAnalyzerFacade : ResolverForModuleFactory() {
+    override fun <M : ModuleInfo> createResolverForModule(
+        moduleDescriptor: ModuleDescriptorImpl,
+        moduleContext: ModuleContext,
+        moduleContent: ModuleContent<M>,
+        platformParameters: PlatformAnalysisParameters,
+        targetEnvironment: TargetEnvironment,
+        resolverForProject: ResolverForProject<M>,
+        languageVersionSettings: LanguageVersionSettings,
+        targetPlatformVersion: TargetPlatformVersion
+    ): ResolverForModule {
+        val (moduleInfo, syntheticFiles, moduleContentScope) = moduleContent
+        val project = moduleContext.project
+        val declarationProviderFactory = DeclarationProviderFactoryService.createDeclarationProviderFactory(
+            project,
+            moduleContext.storageManager,
+            syntheticFiles,
+            moduleContentScope,
+            moduleInfo
+        )
+
+        val container = createContainerForLazyResolve(
+            moduleContext,
+            declarationProviderFactory,
+            BindingTraceContext(),
+            JsPlatform,
+            TargetPlatformVersion.NoVersion,
+            targetEnvironment,
+            languageVersionSettings
+        )
+        var packageFragmentProvider = container.get<ResolveSession>().packageFragmentProvider
+
+        if (moduleInfo is LibraryModuleInfo && moduleInfo.platform == JsPlatform) {
+            val providers = moduleInfo.getLibraryRoots()
+                .flatMap { KotlinJavascriptMetadataUtils.loadMetadata(it) }
+                .filter { it.version.isCompatible() }
+                .map { metadata ->
+                    val (header, packageFragmentProtos) =
+                        KotlinJavascriptSerializationUtil.readModuleAsProto(metadata.body, metadata.version)
+                    createKotlinJavascriptPackageFragmentProvider(
+                        moduleContext.storageManager, moduleDescriptor, header, packageFragmentProtos, metadata.version,
+                        container.get(), LookupTracker.DO_NOTHING
+                    )
+                }
+
+            if (providers.isNotEmpty()) {
+                packageFragmentProvider = CompositePackageFragmentProvider(listOf(packageFragmentProvider) + providers)
+            }
+        }
+
+        return ResolverForModule(packageFragmentProvider, container)
+    }
+
+    override val targetPlatform: TargetPlatform
+        get() = JsPlatform
+}
+
+object DokkaNativeAnalyzerFacade : ResolverForModuleFactory() {
+    override val targetPlatform: TargetPlatform
+        get() = KonanPlatform
+
+    override fun <M : ModuleInfo> createResolverForModule(
+        moduleDescriptor: ModuleDescriptorImpl,
+        moduleContext: ModuleContext,
+        moduleContent: ModuleContent<M>,
+        platformParameters: PlatformAnalysisParameters,
+        targetEnvironment: TargetEnvironment,
+        resolverForProject: ResolverForProject<M>,
+        languageVersionSettings: LanguageVersionSettings,
+        targetPlatformVersion: TargetPlatformVersion
+    ): ResolverForModule {
+
+        val declarationProviderFactory = DeclarationProviderFactoryService.createDeclarationProviderFactory(
+            moduleContext.project,
+            moduleContext.storageManager,
+            moduleContent.syntheticFiles,
+            moduleContent.moduleContentScope,
+            moduleContent.moduleInfo
+        )
+
+        val container = createContainerForLazyResolve(
+            moduleContext,
+            declarationProviderFactory,
+            BindingTraceContext(),
+            targetPlatform,
+            TargetPlatformVersion.NoVersion,
+            targetEnvironment,
+            languageVersionSettings
+        )
+
+        val packageFragmentProvider = container.get<ResolveSession>().packageFragmentProvider
+        val fragmentProviders = mutableListOf(packageFragmentProvider)
+
+        val moduleInfo = moduleContent.moduleInfo
+
+        if (moduleInfo is LibraryModuleInfo) {
+            moduleInfo.getLibraryRoots()
+                .filter { File(it).extension != "jar" }
+                .map { createKonanLibrary(File(it), KOTLIN_NATIVE_CURRENT_ABI_VERSION) }
+                .mapTo(fragmentProviders) {
+                    it.createPackageFragmentProvider(
+                        moduleContext.storageManager,
+                        languageVersionSettings,
+                        moduleDescriptor
+                    )
+                }
+
+        }
+
+        return ResolverForModule(CompositePackageFragmentProvider(fragmentProviders), container)
+    }
+}
diff --git a/core/src/main/kotlin/analysis/JavaResolveExtension.kt b/core/src/main/kotlin/analysis/JavaResolveExtension.kt
new file mode 100644
index 00000000..2b60a639
--- /dev/null
+++ b/core/src/main/kotlin/analysis/JavaResolveExtension.kt
@@ -0,0 +1,131 @@
+/*
+ * Copyright 2010-2017 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.
+ */
+
+@file:JvmName("JavaResolutionUtils")
+
+package org.jetbrains.dokka.analysis
+
+import com.intellij.psi.*
+import org.jetbrains.kotlin.asJava.classes.KtLightClass
+import org.jetbrains.kotlin.asJava.unwrapped
+import org.jetbrains.kotlin.caches.resolve.KotlinCacheService
+import org.jetbrains.kotlin.descriptors.*
+import org.jetbrains.kotlin.idea.resolve.ResolutionFacade
+import org.jetbrains.kotlin.incremental.components.NoLookupLocation
+import org.jetbrains.kotlin.load.java.sources.JavaSourceElement
+import org.jetbrains.kotlin.load.java.structure.*
+import org.jetbrains.kotlin.load.java.structure.impl.*
+import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.psi.KtClassOrObject
+import org.jetbrains.kotlin.psi.KtDeclaration
+import org.jetbrains.kotlin.psi.psiUtil.parameterIndex
+import org.jetbrains.kotlin.resolve.jvm.JavaDescriptorResolver
+import org.jetbrains.kotlin.resolve.jvm.platform.JvmPlatform
+import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter
+import org.jetbrains.kotlin.resolve.scopes.MemberScope
+
+// TODO: Remove that file
+
+@JvmOverloads
+fun PsiMethod.getJavaMethodDescriptor(resolutionFacade: ResolutionFacade = javaResolutionFacade()): DeclarationDescriptor? {
+    val method = originalElement as? PsiMethod ?: return null
+    if (method.containingClass == null || !Name.isValidIdentifier(method.name)) return null
+    val resolver = method.getJavaDescriptorResolver(resolutionFacade)
+    return when {
+        method.isConstructor -> resolver?.resolveConstructor(JavaConstructorImpl(method))
+        else -> resolver?.resolveMethod(JavaMethodImpl(method))
+    }
+}
+
+@JvmOverloads
+fun PsiClass.getJavaClassDescriptor(resolutionFacade: ResolutionFacade = javaResolutionFacade()): ClassDescriptor? {
+    val psiClass = originalElement as? PsiClass ?: return null
+    return psiClass.getJavaDescriptorResolver(resolutionFacade)?.resolveClass(JavaClassImpl(psiClass))
+}
+
+@JvmOverloads
+fun PsiField.getJavaFieldDescriptor(resolutionFacade: ResolutionFacade = javaResolutionFacade()): PropertyDescriptor? {
+    val field = originalElement as? PsiField ?: return null
+    return field.getJavaDescriptorResolver(resolutionFacade)?.resolveField(JavaFieldImpl(field))
+}
+
+@JvmOverloads
+fun PsiMember.getJavaMemberDescriptor(resolutionFacade: ResolutionFacade = javaResolutionFacade()): DeclarationDescriptor? {
+    return when (this) {
+        is PsiEnumConstant -> containingClass?.getJavaClassDescriptor(resolutionFacade)
+        is PsiClass -> getJavaClassDescriptor(resolutionFacade)
+        is PsiMethod -> getJavaMethodDescriptor(resolutionFacade)
+        is PsiField -> getJavaFieldDescriptor(resolutionFacade)
+        else -> null
+    }
+}
+
+@JvmOverloads
+fun PsiMember.getJavaOrKotlinMemberDescriptor(resolutionFacade: ResolutionFacade = javaResolutionFacade()): DeclarationDescriptor? {
+    val callable = unwrapped
+    return when (callable) {
+        is PsiMember -> getJavaMemberDescriptor(resolutionFacade)
+        is KtDeclaration -> {
+            val descriptor = resolutionFacade.resolveToDescriptor(callable)
+            if (descriptor is ClassDescriptor && this is PsiMethod) descriptor.unsubstitutedPrimaryConstructor else descriptor
+        }
+        else -> null
+    }
+}
+
+private fun PsiElement.getJavaDescriptorResolver(resolutionFacade: ResolutionFacade): JavaDescriptorResolver? {
+    return resolutionFacade.tryGetFrontendService(this, JavaDescriptorResolver::class.java)
+}
+
+private fun JavaDescriptorResolver.resolveMethod(method: JavaMethod): DeclarationDescriptor? {
+    return getContainingScope(method)
+            ?.getContributedDescriptors(nameFilter = { true }, kindFilter = DescriptorKindFilter.CALLABLES)
+            ?.filterIsInstance<DeclarationDescriptorWithSource>()
+            ?.findByJavaElement(method)
+}
+
+private fun JavaDescriptorResolver.resolveConstructor(constructor: JavaConstructor): ConstructorDescriptor? {
+    return resolveClass(constructor.containingClass)?.constructors?.findByJavaElement(constructor)
+}
+
+private fun JavaDescriptorResolver.resolveField(field: JavaField): PropertyDescriptor? {
+    return getContainingScope(field)?.getContributedVariables(field.name, NoLookupLocation.FROM_IDE)?.findByJavaElement(field)
+}
+
+private fun JavaDescriptorResolver.getContainingScope(member: JavaMember): MemberScope? {
+    val containingClass = resolveClass(member.containingClass)
+    return if (member.isStatic)
+        containingClass?.staticScope
+    else
+        containingClass?.defaultType?.memberScope
+}
+
+private fun <T : DeclarationDescriptorWithSource> Collection<T>.findByJavaElement(javaElement: JavaElement): T? {
+    return firstOrNull { member ->
+        val memberJavaElement = (member.original.source as? JavaSourceElement)?.javaElement
+        when {
+            memberJavaElement == javaElement ->
+                true
+            memberJavaElement is JavaElementImpl<*> && javaElement is JavaElementImpl<*> ->
+                memberJavaElement.psi.isEquivalentTo(javaElement.psi)
+            else ->
+                false
+        }
+    }
+}
+
+fun PsiElement.javaResolutionFacade() =
+    KotlinCacheService.getInstance(project).getResolutionFacadeByFile(this.originalElement.containingFile, JvmPlatform)!!