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/*
* Copyright 2010-2015 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.codegen.state
import com.intellij.openapi.project.Project
import com.intellij.openapi.util.ModificationTracker
import com.intellij.psi.PsiElement
import org.jetbrains.kotlin.codegen.*
import org.jetbrains.kotlin.codegen.`when`.MappingsClassesForWhenByEnum
import org.jetbrains.kotlin.codegen.binding.CodegenBinding
import org.jetbrains.kotlin.codegen.context.CodegenContext
import org.jetbrains.kotlin.codegen.context.RootContext
import org.jetbrains.kotlin.codegen.extensions.ClassBuilderInterceptorExtension
import org.jetbrains.kotlin.codegen.inline.InlineCache
import org.jetbrains.kotlin.codegen.intrinsics.IntrinsicMethods
import org.jetbrains.kotlin.codegen.optimization.OptimizationClassBuilderFactory
import org.jetbrains.kotlin.config.*
import org.jetbrains.kotlin.descriptors.ModuleDescriptor
import org.jetbrains.kotlin.descriptors.ScriptDescriptor
import org.jetbrains.kotlin.diagnostics.Diagnostic
import org.jetbrains.kotlin.diagnostics.DiagnosticSink
import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCache
import org.jetbrains.kotlin.modules.TargetId
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.psi.KtClassOrObject
import org.jetbrains.kotlin.psi.KtFile
import org.jetbrains.kotlin.psi.KtScript
import org.jetbrains.kotlin.resolve.*
import org.jetbrains.kotlin.resolve.diagnostics.Diagnostics
import org.jetbrains.kotlin.resolve.jvm.JvmClassName
import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin
import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOriginKind.*
import org.jetbrains.kotlin.serialization.deserialization.DeserializationConfiguration
import java.io.File
class GenerationState @JvmOverloads constructor(
val project: Project,
builderFactory: ClassBuilderFactory,
val module: ModuleDescriptor,
bindingContext: BindingContext,
val files: List,
val configuration: CompilerConfiguration,
val generateDeclaredClassFilter: GenerateClassFilter = GenerationState.GenerateClassFilter.GENERATE_ALL,
val codegenFactory: CodegenFactory = DefaultCodegenFactory,
// For incremental compilation
val targetId: TargetId? = null,
moduleName: String? = configuration.get(CommonConfigurationKeys.MODULE_NAME),
// 'outDirectory' is a hack to correctly determine if a compiled class is from the same module as the callee during
// partial compilation. Module chunks are treated as a single module.
// TODO: get rid of it with the proper module infrastructure
val outDirectory: File? = null,
private val onIndependentPartCompilationEnd: GenerationStateEventCallback = GenerationStateEventCallback.DO_NOTHING,
wantsDiagnostics: Boolean = true
) {
abstract class GenerateClassFilter {
abstract fun shouldAnnotateClass(processingClassOrObject: KtClassOrObject): Boolean
abstract fun shouldGenerateClass(processingClassOrObject: KtClassOrObject): Boolean
abstract fun shouldGeneratePackagePart(ktFile: KtFile): Boolean
abstract fun shouldGenerateScript(script: KtScript): Boolean
open fun shouldGenerateClassMembers(processingClassOrObject: KtClassOrObject) = shouldGenerateClass(processingClassOrObject)
companion object {
@JvmField val GENERATE_ALL: GenerateClassFilter = object : GenerateClassFilter() {
override fun shouldAnnotateClass(processingClassOrObject: KtClassOrObject): Boolean = true
override fun shouldGenerateClass(processingClassOrObject: KtClassOrObject): Boolean = true
override fun shouldGenerateScript(script: KtScript): Boolean = true
override fun shouldGeneratePackagePart(ktFile: KtFile): Boolean = true
}
}
}
val fileClassesProvider: CodegenFileClassesProvider = CodegenFileClassesProvider()
val inlineCache: InlineCache = InlineCache()
val incrementalCacheForThisTarget: IncrementalCache?
val packagesWithObsoleteParts: Set
val obsoleteMultifileClasses: List
val deserializationConfiguration: DeserializationConfiguration =
CompilerDeserializationConfiguration(configuration.languageVersionSettings)
init {
val icComponents = configuration.get(JVMConfigurationKeys.INCREMENTAL_COMPILATION_COMPONENTS)
if (icComponents != null) {
incrementalCacheForThisTarget =
icComponents.getIncrementalCache(targetId ?: error("Target ID should be specified for incremental compilation"))
packagesWithObsoleteParts = incrementalCacheForThisTarget.getObsoletePackageParts().map {
JvmClassName.byInternalName(it).packageFqName
}.toSet()
obsoleteMultifileClasses = incrementalCacheForThisTarget.getObsoleteMultifileClasses().map {
JvmClassName.byInternalName(it).fqNameForClassNameWithoutDollars
}
}
else {
incrementalCacheForThisTarget = null
packagesWithObsoleteParts = emptySet()
obsoleteMultifileClasses = emptyList()
}
}
val extraJvmDiagnosticsTrace: BindingTrace = DelegatingBindingTrace(bindingContext, "For extra diagnostics in ${this::class.java}", false)
private val interceptedBuilderFactory: ClassBuilderFactory
private var used = false
val diagnostics: DiagnosticSink get() = extraJvmDiagnosticsTrace
val collectedExtraJvmDiagnostics: Diagnostics = LazyJvmDiagnostics {
duplicateSignatureFactory.reportDiagnostics()
extraJvmDiagnosticsTrace.bindingContext.diagnostics
}
val target = configuration.get(JVMConfigurationKeys.JVM_TARGET) ?: JvmTarget.DEFAULT
val isJvm8Target: Boolean = target == JvmTarget.JVM_1_8
val isJvm8TargetWithDefaults: Boolean = isJvm8Target && configuration.getBoolean(JVMConfigurationKeys.JVM8_TARGET_WITH_DEFAULTS)
val generateDefaultImplsForJvm8: Boolean = configuration.getBoolean(JVMConfigurationKeys.INTERFACE_COMPATIBILITY)
val moduleName: String = moduleName ?: JvmCodegenUtil.getModuleName(module)
val classBuilderMode: ClassBuilderMode = builderFactory.classBuilderMode
val bindingTrace: BindingTrace = DelegatingBindingTrace(bindingContext, "trace in GenerationState",
filter = if (wantsDiagnostics) BindingTraceFilter.ACCEPT_ALL else BindingTraceFilter.NO_DIAGNOSTICS)
val bindingContext: BindingContext = bindingTrace.bindingContext
val typeMapper: KotlinTypeMapper = KotlinTypeMapper(
this.bindingContext, classBuilderMode, fileClassesProvider, IncompatibleClassTrackerImpl(extraJvmDiagnosticsTrace),
this.moduleName, isJvm8Target, isJvm8TargetWithDefaults
)
val intrinsics: IntrinsicMethods = IntrinsicMethods(target)
val samWrapperClasses: SamWrapperClasses = SamWrapperClasses(this)
val inlineCycleReporter: InlineCycleReporter = InlineCycleReporter(diagnostics)
val mappingsClassesForWhenByEnum: MappingsClassesForWhenByEnum = MappingsClassesForWhenByEnum(this)
val jvmRuntimeTypes: JvmRuntimeTypes = JvmRuntimeTypes(module)
val factory: ClassFileFactory
private lateinit var duplicateSignatureFactory: BuilderFactoryForDuplicateSignatureDiagnostics
val replSpecific = ForRepl()
//TODO: should be refactored out
class ForRepl {
var earlierScriptsForReplInterpreter: List? = null
var scriptResultFieldName: String? = null
val shouldGenerateScriptResultValue: Boolean get() = scriptResultFieldName != null
var hasResult: Boolean = false
}
val isCallAssertionsDisabled: Boolean = configuration.getBoolean(JVMConfigurationKeys.DISABLE_CALL_ASSERTIONS)
val isParamAssertionsDisabled: Boolean = configuration.getBoolean(JVMConfigurationKeys.DISABLE_PARAM_ASSERTIONS)
val isInlineDisabled: Boolean = configuration.getBoolean(CommonConfigurationKeys.DISABLE_INLINE)
val useTypeTableInSerializer: Boolean = configuration.getBoolean(JVMConfigurationKeys.USE_TYPE_TABLE)
val inheritMultifileParts: Boolean = configuration.getBoolean(JVMConfigurationKeys.INHERIT_MULTIFILE_PARTS)
val rootContext: CodegenContext<*> = RootContext(this)
val classFileVersion: Int = target.bytecodeVersion
val generateParametersMetadata: Boolean = configuration.getBoolean(JVMConfigurationKeys.PARAMETERS_METADATA)
val languageVersionSettings = configuration.languageVersionSettings
val shouldInlineConstVals = languageVersionSettings.supportsFeature(LanguageFeature.InlineConstVals)
init {
this.interceptedBuilderFactory = builderFactory
.wrapWith(
{ OptimizationClassBuilderFactory(it, configuration.get(JVMConfigurationKeys.DISABLE_OPTIMIZATION, false)) },
{ BuilderFactoryForDuplicateSignatureDiagnostics(
it, this.bindingContext, diagnostics,
fileClassesProvider, this.moduleName,
shouldGenerate = { !shouldOnlyCollectSignatures(it) }
).apply { duplicateSignatureFactory = this } },
{ BuilderFactoryForDuplicateClassNameDiagnostics(it, diagnostics) },
{ configuration.get(JVMConfigurationKeys.DECLARATIONS_JSON_PATH)
?.let { destination -> SignatureDumpingBuilderFactory(it, File(destination)) } ?: it }
)
.wrapWith(ClassBuilderInterceptorExtension.getInstances(project)) { builderFactory, extension ->
extension.interceptClassBuilderFactory(builderFactory, bindingContext, diagnostics)
}
this.factory = ClassFileFactory(this, interceptedBuilderFactory)
}
fun beforeCompile() {
markUsed()
CodegenBinding.initTrace(this)
}
fun afterIndependentPart() {
onIndependentPartCompilationEnd(this)
}
private fun markUsed() {
if (used) throw IllegalStateException("${GenerationState::class.java} cannot be used more than once")
used = true
}
fun destroy() {
interceptedBuilderFactory.close()
}
private fun shouldOnlyCollectSignatures(origin: JvmDeclarationOrigin)
= classBuilderMode == ClassBuilderMode.LIGHT_CLASSES && origin.originKind in doNotGenerateInLightClassMode
}
private val doNotGenerateInLightClassMode = setOf(CLASS_MEMBER_DELEGATION_TO_DEFAULT_IMPL, BRIDGE, COLLECTION_STUB, AUGMENTED_BUILTIN_API)
private class LazyJvmDiagnostics(compute: () -> Diagnostics): Diagnostics {
private val delegate by lazy(LazyThreadSafetyMode.SYNCHRONIZED, compute)
override val modificationTracker: ModificationTracker
get() = delegate.modificationTracker
override fun all(): Collection = delegate.all()
override fun forElement(psiElement: PsiElement) = delegate.forElement(psiElement)
override fun isEmpty() = delegate.isEmpty()
override fun noSuppression() = delegate.noSuppression()
override fun iterator() = delegate.iterator()
}
interface GenerationStateEventCallback : (GenerationState) -> Unit {
companion object {
val DO_NOTHING = GenerationStateEventCallback { }
}
}
fun GenerationStateEventCallback(block: (GenerationState) -> Unit): GenerationStateEventCallback =
object : GenerationStateEventCallback {
override fun invoke(s: GenerationState) = block(s)
}
private fun ClassBuilderFactory.wrapWith(vararg wrappers: (ClassBuilderFactory) -> ClassBuilderFactory): ClassBuilderFactory =
wrappers.fold(this) { builderFactory, wrapper -> wrapper(builderFactory) }
private inline fun ClassBuilderFactory.wrapWith(elements: Iterable, wrapper: (ClassBuilderFactory, T) -> ClassBuilderFactory): ClassBuilderFactory =
elements.fold(this, wrapper)
