Remove kotlin source analysis from :core to :kotlin-analysis (thanks to Afzal Najam)

13 files changed, 1698 insertions, 0 deletions

diff --git a/kotlin-analysis/build.gradle.kts b/kotlin-analysis/build.gradle.kts
new file mode 100644
index 00000000..67480f82
--- /dev/null
+++ b/kotlin-analysis/build.gradle.kts
@@ -0,0 +1,27 @@
+import org.jetbrains.configureBintrayPublication
+
+plugins {
+    id("com.github.johnrengelman.shadow")
+    `maven-publish`
+    id("com.jfrog.bintray")
+}
+
+dependencies {
+    compileOnly(project(":core"))
+
+    val kotlin_version: String by project
+    api("org.jetbrains.kotlin:kotlin-compiler:$kotlin_version")
+
+    api(project(":kotlin-analysis:dependencies", configuration = "shadow"))
+}
+
+publishing {
+    publications {
+        register<MavenPublication>("analysis") {
+            artifactId = "dokka-analysis"
+            from(components["java"])
+        }
+    }
+}
+
+configureBintrayPublication("analysis")
diff --git a/kotlin-analysis/dependencies/build.gradle.kts b/kotlin-analysis/dependencies/build.gradle.kts
new file mode 100644
index 00000000..5bba6422
--- /dev/null
+++ b/kotlin-analysis/dependencies/build.gradle.kts
@@ -0,0 +1,67 @@
+import org.jetbrains.configureBintrayPublication
+
+
+plugins {
+    id("com.github.johnrengelman.shadow")
+    `maven-publish`
+    id("com.jfrog.bintray")
+}
+
+repositories {
+    maven(url = "https://www.jetbrains.com/intellij-repository/snapshots")
+    maven(url = "https://www.jetbrains.com/intellij-repository/releases")
+    maven(url = "https://kotlin.bintray.com/kotlin-plugin")
+}
+
+val intellijCore: Configuration by configurations.creating
+
+fun intellijCoreAnalysis() = zipTree(intellijCore.singleFile).matching {
+    include("intellij-core-analysis.jar")
+}
+
+dependencies {
+    val kotlin_plugin_version: String by project
+    api("org.jetbrains.kotlin:ide-common-ij193:$kotlin_plugin_version")
+    api("org.jetbrains.kotlin:kotlin-plugin-ij193:$kotlin_plugin_version") {
+        //TODO: parametrize ij version after 1.3.70
+        isTransitive = false
+    }
+
+    val idea_version: String by project
+    intellijCore("com.jetbrains.intellij.idea:intellij-core:$idea_version")
+    implementation(intellijCoreAnalysis())
+
+    implementation("org.jetbrains:markdown:0.1.41") {
+        because("it's published only on bintray")
+    }
+}
+
+tasks {
+    shadowJar {
+        val dokka_version: String by project
+        archiveFileName.set("dokka-kotlin-analysis-dependencies-$dokka_version.jar")
+        archiveClassifier.set("")
+
+        exclude("colorScheme/**")
+        exclude("fileTemplates/**")
+        exclude("inspectionDescriptions/**")
+        exclude("intentionDescriptions/**")
+        exclude("tips/**")
+        exclude("messages/**")
+        exclude("src/**")
+        exclude("**/*.kotlin_metadata")
+        exclude("**/*.kotlin_builtins")
+    }
+}
+
+
+publishing {
+    publications {
+        register<MavenPublication>("kotlin-analysis-dependencies") {
+            artifactId = "kotlin-analysis-dependencies"
+            project.shadow.component(this)
+        }
+    }
+}
+
+configureBintrayPublication("kotlin-analysis-dependencies")
diff --git a/kotlin-analysis/src/main/kotlin/org/jetbrains/dokka/analysis/AnalysisEnvironment.kt b/kotlin-analysis/src/main/kotlin/org/jetbrains/dokka/analysis/AnalysisEnvironment.kt
new file mode 100644
index 00000000..7836bde9
--- /dev/null
+++ b/kotlin-analysis/src/main/kotlin/org/jetbrains/dokka/analysis/AnalysisEnvironment.kt
@@ -0,0 +1,636 @@
+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 org.jetbrains.dokka.Platform
+import org.jetbrains.kotlin.analyzer.*
+import org.jetbrains.kotlin.analyzer.common.CommonAnalysisParameters
+import org.jetbrains.kotlin.analyzer.common.CommonPlatformAnalyzerServices
+import org.jetbrains.kotlin.analyzer.common.CommonResolverForModuleFactory
+import org.jetbrains.kotlin.builtins.DefaultBuiltIns
+import org.jetbrains.kotlin.builtins.KotlinBuiltIns
+import org.jetbrains.kotlin.builtins.jvm.JvmBuiltIns
+import org.jetbrains.kotlin.caches.resolve.*
+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.context.withModule
+import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
+import org.jetbrains.kotlin.descriptors.ModuleDescriptor
+import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl
+import org.jetbrains.kotlin.ide.konan.analyzer.NativeResolverForModuleFactory
+import org.jetbrains.kotlin.js.config.JSConfigurationKeys
+import org.jetbrains.kotlin.js.resolve.JsPlatformAnalyzerServices
+import org.jetbrains.kotlin.library.impl.createKotlinLibrary
+import org.jetbrains.kotlin.load.java.structure.impl.JavaClassImpl
+import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.platform.CommonPlatforms
+import org.jetbrains.kotlin.platform.TargetPlatform
+import org.jetbrains.kotlin.platform.js.JsPlatforms
+import org.jetbrains.kotlin.platform.jvm.JvmPlatforms
+import org.jetbrains.kotlin.platform.jvm.JvmPlatforms.unspecifiedJvmPlatform
+import org.jetbrains.kotlin.psi.*
+import org.jetbrains.kotlin.resolve.BindingContext
+import org.jetbrains.kotlin.resolve.BindingTrace
+import org.jetbrains.kotlin.resolve.CompilerEnvironment
+import org.jetbrains.kotlin.resolve.PlatformDependentAnalyzerServices
+import org.jetbrains.kotlin.resolve.diagnostics.Diagnostics
+import org.jetbrains.kotlin.resolve.jvm.JvmPlatformParameters
+import org.jetbrains.kotlin.resolve.jvm.JvmResolverForModuleFactory
+import org.jetbrains.kotlin.resolve.jvm.platform.JvmPlatformAnalyzerServices
+import org.jetbrains.kotlin.resolve.konan.platform.NativePlatformAnalyzerServices
+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 org.jetbrains.kotlin.idea.resolve.ResolutionFacade
+import org.jetbrains.kotlin.resolve.lazy.BodyResolveMode
+import org.jetbrains.kotlin.descriptors.konan.KlibModuleOrigin
+import org.jetbrains.kotlin.extensions.ApplicationExtensionDescriptor
+import org.jetbrains.kotlin.ide.konan.NativePlatformKindResolution
+import org.jetbrains.kotlin.load.java.structure.impl.classFiles.BinaryJavaClass
+import org.jetbrains.kotlin.platform.IdePlatformKind
+import org.jetbrains.kotlin.platform.impl.CommonIdePlatformKind
+import org.jetbrains.kotlin.platform.impl.JsIdePlatformKind
+import org.jetbrains.kotlin.platform.impl.JvmIdePlatformKind
+import org.jetbrains.kotlin.platform.impl.NativeIdePlatformKind
+import org.jetbrains.kotlin.platform.konan.NativePlatforms
+import java.io.File
+
+const val JAR_SEPARATOR = "!/"
+const val KLIB_EXTENSION = "klib"
+
+/**
+ * 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.nio2", "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
+        )
+
+        CoreApplicationEnvironment.registerExtensionPoint(
+            Extensions.getRootArea(),
+            OrderEnumerationHandler.EP_NAME, OrderEnumerationHandler.Factory::class.java
+        )
+
+        projectComponentManager.registerService(
+            ProjectFileIndex::class.java,
+            projectFileIndex
+        )
+
+        projectComponentManager.registerService(
+            ProjectRootManager::class.java,
+            CoreProjectRootManager(projectFileIndex)
+        )
+
+        registerExtensionPoint(
+            ApplicationExtensionDescriptor("org.jetbrains.kotlin.idePlatformKind", IdePlatformKind::class.java),
+            listOf(
+                CommonIdePlatformKind,
+                JvmIdePlatformKind,
+                JsIdePlatformKind,
+                NativeIdePlatformKind
+            )
+        )
+
+        registerExtensionPoint(
+            IdePlatformKindResolution,
+            listOf(
+                CommonPlatformKindResolution(),
+                JvmPlatformKindResolution(),
+                JsPlatformKindResolution(),
+                NativePlatformKindResolution()
+            )
+        )
+
+        return environment
+    }
+
+    private 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, "Dokka")
+        val sourceFiles = environment.getSourceFiles()
+
+
+        val targetPlatform = when (analysisPlatform) {
+            Platform.js -> JsPlatforms.defaultJsPlatform
+            Platform.common -> CommonPlatforms.defaultCommonPlatform
+            Platform.native -> NativePlatforms.unspecifiedNativePlatform
+            Platform.jvm -> JvmPlatforms.defaultJvmPlatform
+        }
+
+        val nativeLibraries = classpath.filter { it.extension == KLIB_EXTENSION }
+            .map { createNativeLibraryModuleInfo(it) }
+
+        val library = object : LibraryModuleInfo {
+            override val analyzerServices: PlatformDependentAnalyzerServices =
+                analysisPlatform.analyzerServices()
+            override val name: Name = Name.special("<library>")
+            override val platform: TargetPlatform = targetPlatform
+            override fun dependencies(): List<ModuleInfo> = listOf(this)
+            override fun getLibraryRoots(): Collection<String> =
+                classpath.filterNot { it.extension == KLIB_EXTENSION }.map { it.absolutePath }
+        }
+
+        val module = object : ModuleInfo {
+            override val analyzerServices: PlatformDependentAnalyzerServices =
+                analysisPlatform.analyzerServices()
+            override val name: Name = Name.special("<module>")
+            override val platform: TargetPlatform = targetPlatform
+            override fun dependencies(): List<ModuleInfo> = listOf(this, library) + nativeLibraries
+        }
+
+        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))
+                in nativeLibraries -> ModuleContent(it, emptyList(), GlobalSearchScope.notScope(sourcesScope))
+                else -> throw IllegalArgumentException("Unexpected module info")
+            }
+        }
+
+        var builtIns: JvmBuiltIns? = null
+
+        val resolverForProject = when (analysisPlatform) {
+            Platform.jvm -> {
+                builtIns = JvmBuiltIns(
+                    projectContext.storageManager,
+                    JvmBuiltIns.Kind.FROM_CLASS_LOADER
+                ) // TODO we should use FROM_DEPENDENCIES
+                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 libraryModuleDescriptor = resolverForProject.descriptorForModule(library)
+        val moduleDescriptor = resolverForProject.descriptorForModule(module)
+        builtIns?.initialize(moduleDescriptor, true)
+
+        val resolverForLibrary =
+            resolverForProject.resolverForModule(library) // Required before module to initialize library properly
+        val resolverForModule = resolverForProject.resolverForModule(module)
+        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 Platform.analyzerServices() = when (this) {
+        Platform.js -> JsPlatformAnalyzerServices
+        Platform.common -> CommonPlatformAnalyzerServices
+        Platform.native -> NativePlatformAnalyzerServices
+        Platform.jvm -> JvmPlatformAnalyzerServices
+    }
+
+    private fun createNativeLibraryModuleInfo(libraryFile: File): LibraryModuleInfo {
+        val kotlinLibrary = createKotlinLibrary(org.jetbrains.kotlin.konan.file.File(libraryFile.absolutePath), "",false)
+        return object : LibraryModuleInfo {
+            override val analyzerServices: PlatformDependentAnalyzerServices =
+                analysisPlatform.analyzerServices()
+            override val name: Name = Name.special("<klib>")
+            override val platform: TargetPlatform = NativePlatforms.unspecifiedNativePlatform
+            override fun dependencies(): List<ModuleInfo> = listOf(this)
+            override fun getLibraryRoots(): Collection<String> = listOf(libraryFile.absolutePath)
+            override val capabilities: Map<ModuleDescriptor.Capability<*>, Any?>
+                get() = super.capabilities + (KlibModuleOrigin.CAPABILITY to kotlinLibrary)
+        }
+    }
+
+    private fun createCommonResolverForProject(
+        projectContext: ProjectContext,
+        module: ModuleInfo,
+        library: LibraryModuleInfo,
+        modulesContent: (ModuleInfo) -> ModuleContent<ModuleInfo>,
+        environment: KotlinCoreEnvironment
+    ): ResolverForProject<ModuleInfo> {
+        return object : AbstractResolverForProject<ModuleInfo>(
+            "Dokka",
+            projectContext,
+            modules = listOf(module, library)
+        ) {
+            override fun sdkDependency(module: ModuleInfo): ModuleInfo? = null
+
+            override fun modulesContent(module: ModuleInfo): ModuleContent<ModuleInfo> = modulesContent(module)
+
+            override fun builtInsForModule(module: ModuleInfo): KotlinBuiltIns = DefaultBuiltIns.Instance
+
+            override fun createResolverForModule(
+                descriptor: ModuleDescriptor,
+                moduleInfo: ModuleInfo
+            ): ResolverForModule =
+                CommonResolverForModuleFactory(
+                    CommonAnalysisParameters { content ->
+                        environment.createPackagePartProvider(content.moduleContentScope)
+                    },
+                    CompilerEnvironment,
+                    unspecifiedJvmPlatform,
+                    true
+                ).createResolverForModule(
+                    descriptor as ModuleDescriptorImpl,
+                    projectContext.withModule(descriptor),
+                    modulesContent(moduleInfo),
+                    this,
+                    LanguageVersionSettingsImpl.DEFAULT
+                )
+        }
+    }
+
+    private fun createJsResolverForProject(
+        projectContext: ProjectContext,
+        module: ModuleInfo,
+        library: LibraryModuleInfo,
+        modulesContent: (ModuleInfo) -> ModuleContent<ModuleInfo>
+    ): ResolverForProject<ModuleInfo> {
+        return object : AbstractResolverForProject<ModuleInfo>(
+            "Dokka",
+            projectContext,
+            modules = listOf(module, library)
+        ) {
+            override fun modulesContent(module: ModuleInfo): ModuleContent<ModuleInfo> = modulesContent(module)
+            override fun createResolverForModule(
+                descriptor: ModuleDescriptor,
+                moduleInfo: ModuleInfo
+            ): ResolverForModule = JsResolverForModuleFactory(
+                CompilerEnvironment
+            ).createResolverForModule(
+                descriptor as ModuleDescriptorImpl,
+                projectContext.withModule(descriptor),
+                modulesContent(moduleInfo),
+                this,
+                LanguageVersionSettingsImpl.DEFAULT
+            )
+
+            override fun builtInsForModule(module: ModuleInfo): KotlinBuiltIns = DefaultBuiltIns.Instance
+
+            override fun sdkDependency(module: ModuleInfo): ModuleInfo? = null
+        }
+    }
+
+    private fun createNativeResolverForProject(
+        projectContext: ProjectContext,
+        module: ModuleInfo,
+        library: LibraryModuleInfo,
+        modulesContent: (ModuleInfo) -> ModuleContent<ModuleInfo>
+    ): ResolverForProject<ModuleInfo> {
+        return object : AbstractResolverForProject<ModuleInfo>(
+            "Dokka",
+            projectContext,
+            modules = module.dependencies()
+        ) {
+            override fun modulesContent(module: ModuleInfo): ModuleContent<ModuleInfo> = modulesContent(module)
+            override fun createResolverForModule(
+                descriptor: ModuleDescriptor,
+                moduleInfo: ModuleInfo
+            ): ResolverForModule {
+
+                return NativeResolverForModuleFactory(
+                    PlatformAnalysisParameters.Empty,
+                    CompilerEnvironment,
+                    NativePlatforms.unspecifiedNativePlatform
+                ).createResolverForModule(
+                    descriptor as ModuleDescriptorImpl,
+                    projectContext.withModule(descriptor),
+                    modulesContent(moduleInfo),
+                    this,
+                    LanguageVersionSettingsImpl.DEFAULT
+                )
+            }
+
+            override fun builtInsForModule(module: ModuleInfo): KotlinBuiltIns = DefaultBuiltIns.Instance
+
+            override fun sdkDependency(module: ModuleInfo): ModuleInfo? = null
+        }
+    }
+
+    private fun createJvmResolverForProject(
+        projectContext: ProjectContext,
+        module: ModuleInfo,
+        library: LibraryModuleInfo,
+        modulesContent: (ModuleInfo) -> ModuleContent<ModuleInfo>,
+        sourcesScope: GlobalSearchScope,
+        builtIns: KotlinBuiltIns
+    ): ResolverForProject<ModuleInfo> {
+        val javaRoots = classpath
+            .mapNotNull {
+                val rootFile = when (it.extension) {
+                    "jar" -> StandardFileSystems.jar().findFileByPath("${it.absolutePath}$JAR_SEPARATOR")
+                    else -> StandardFileSystems.local().findFileByPath(it.absolutePath)
+                }
+                rootFile?.let { JavaRoot(it, JavaRoot.RootType.BINARY) }
+            }
+
+        return object : AbstractResolverForProject<ModuleInfo>(
+            "Dokka",
+            projectContext,
+            modules = listOf(module, library)
+        ) {
+            override fun modulesContent(module: ModuleInfo): ModuleContent<ModuleInfo> =
+                when (module) {
+                    library -> ModuleContent(module, emptyList(), GlobalSearchScope.notScope(sourcesScope))
+                    module -> ModuleContent(module, emptyList(), sourcesScope)
+                    else -> throw IllegalArgumentException("Unexpected module info")
+                }
+
+            override fun builtInsForModule(module: ModuleInfo): KotlinBuiltIns = builtIns
+
+            override fun createResolverForModule(
+                descriptor: ModuleDescriptor,
+                moduleInfo: ModuleInfo
+            ): ResolverForModule = JvmResolverForModuleFactory(
+                JvmPlatformParameters({ content ->
+                    JvmPackagePartProvider(
+                        configuration.languageVersionSettings,
+                        content.moduleContentScope
+                    )
+                        .apply {
+                            addRoots(javaRoots, messageCollector)
+                        }
+                }, {
+                    val file =  (it as? BinaryJavaClass)?.virtualFile ?: (it as JavaClassImpl).psi.containingFile.virtualFile
+                    if (file in sourcesScope)
+                        module
+                    else
+                        library
+                }),
+                CompilerEnvironment,
+                unspecifiedJvmPlatform
+            ).createResolverForModule(
+                descriptor as ModuleDescriptorImpl,
+                projectContext.withModule(descriptor),
+                modulesContent(moduleInfo),
+                this,
+                LanguageVersionSettingsImpl.DEFAULT
+            )
+
+            override fun sdkDependency(module: ModuleInfo): ModuleInfo? = null
+        }
+    }
+
+    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)
+    }
+
+    companion object {
+        private fun <T : Any> registerExtensionPoint(
+            appExtension: ApplicationExtensionDescriptor<T>,
+            instances: List<T>
+        ) {
+            if (Extensions.getRootArea().hasExtensionPoint(appExtension.extensionPointName))
+                return
+
+            appExtension.registerExtensionPoint()
+            instances.forEach(appExtension::registerExtension)
+        }
+    }
+}
+
+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/kotlin-analysis/src/main/kotlin/org/jetbrains/dokka/analysis/CallableFactory.kt b/kotlin-analysis/src/main/kotlin/org/jetbrains/dokka/analysis/CallableFactory.kt
new file mode 100644
index 00000000..ebfe20a5
--- /dev/null
+++ b/kotlin-analysis/src/main/kotlin/org/jetbrains/dokka/analysis/CallableFactory.kt
@@ -0,0 +1,31 @@
+package org.jetbrains.dokka.analysis
+
+import com.intellij.psi.PsiField
+import com.intellij.psi.PsiMethod
+import org.jetbrains.dokka.links.Callable
+import org.jetbrains.dokka.links.JavaClassReference
+import org.jetbrains.dokka.links.TypeReference
+import org.jetbrains.kotlin.descriptors.CallableDescriptor
+
+fun Callable.Companion.from(descriptor: CallableDescriptor) = with(descriptor) {
+    Callable(
+        name.asString(),
+        extensionReceiverParameter?.let { TypeReference.from(it) },
+        valueParameters.mapNotNull { TypeReference.from(it) }
+    )
+}
+
+fun Callable.Companion.from(psi: PsiMethod) = with(psi) {
+    Callable(
+        name,
+        null,
+        parameterList.parameters.map { param -> JavaClassReference(param.type.canonicalText) })
+}
+
+fun Callable.Companion.from(psi: PsiField): Callable {
+    return Callable(
+        name = psi.name,
+        receiver = null,
+        params = emptyList()
+    )
+}
diff --git a/kotlin-analysis/src/main/kotlin/org/jetbrains/dokka/analysis/CoreKotlinCacheService.kt b/kotlin-analysis/src/main/kotlin/org/jetbrains/dokka/analysis/CoreKotlinCacheService.kt
new file mode 100644
index 00000000..68415875
--- /dev/null
+++ b/kotlin-analysis/src/main/kotlin/org/jetbrains/dokka/analysis/CoreKotlinCacheService.kt
@@ -0,0 +1,42 @@
+package org.jetbrains.dokka.analysis
+
+import com.intellij.psi.PsiFile
+import org.jetbrains.dokka.analysis.DokkaResolutionFacade
+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.diagnostics.KotlinSuppressCache
+
+
+class CoreKotlinCacheService(private val resolutionFacade: DokkaResolutionFacade) : KotlinCacheService {
+    override fun getResolutionFacade(elements: List<KtElement>): ResolutionFacade {
+        return resolutionFacade
+    }
+
+    override fun getResolutionFacade(
+        elements: List<KtElement>,
+        platform: org.jetbrains.kotlin.platform.TargetPlatform
+    ): ResolutionFacade {
+        return resolutionFacade
+    }
+
+    override fun getResolutionFacadeByFile(
+        file: PsiFile,
+        platform: org.jetbrains.kotlin.platform.Tar