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Compiler.kt
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package org.javacs.kt.compiler
import com.intellij.codeInsight.NullableNotNullManager
import com.intellij.lang.Language
import com.intellij.openapi.Disposable
import com.intellij.openapi.util.Disposer
import com.intellij.openapi.vfs.StandardFileSystems
import com.intellij.openapi.vfs.VirtualFileManager
import com.intellij.openapi.vfs.VirtualFileSystem
import com.intellij.psi.PsiFile
import com.intellij.psi.PsiFileFactory
import com.intellij.mock.MockProject
import org.jetbrains.kotlin.cli.common.CLIConfigurationKeys
import org.jetbrains.kotlin.cli.common.environment.setIdeaIoUseFallback
import org.jetbrains.kotlin.cli.jvm.compiler.CliBindingTrace
import org.jetbrains.kotlin.cli.jvm.compiler.EnvironmentConfigFiles
import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
import org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM
import org.jetbrains.kotlin.cli.jvm.config.addJavaSourceRoots
import org.jetbrains.kotlin.cli.jvm.config.addJvmClasspathRoots
import org.jetbrains.kotlin.cli.jvm.plugins.PluginCliParser
import org.jetbrains.kotlin.config.CommonConfigurationKeys
import org.jetbrains.kotlin.config.CompilerConfiguration as KotlinCompilerConfiguration
import org.jetbrains.kotlin.config.JVMConfigurationKeys
import org.jetbrains.kotlin.config.JvmTarget
import org.jetbrains.kotlin.config.LanguageFeature
import org.jetbrains.kotlin.config.LanguageVersionSettingsImpl
import org.jetbrains.kotlin.config.ApiVersion
import org.jetbrains.kotlin.config.LanguageVersion
import org.jetbrains.kotlin.container.ComponentProvider
import org.jetbrains.kotlin.container.get
import org.jetbrains.kotlin.compiler.plugin.ComponentRegistrar
import org.jetbrains.kotlin.idea.KotlinLanguage
import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmProtoBufUtil
import org.jetbrains.kotlin.psi.*
import org.jetbrains.kotlin.resolve.BindingContext
import org.jetbrains.kotlin.resolve.BindingTraceContext
import org.jetbrains.kotlin.resolve.LazyTopDownAnalyzer
import org.jetbrains.kotlin.resolve.TopDownAnalysisMode
import org.jetbrains.kotlin.resolve.calls.components.InferenceSession
import org.jetbrains.kotlin.resolve.calls.smartcasts.DataFlowInfo
import org.jetbrains.kotlin.resolve.extensions.ExtraImportsProviderExtension
import org.jetbrains.kotlin.resolve.lazy.declarations.FileBasedDeclarationProviderFactory
import org.jetbrains.kotlin.resolve.scopes.LexicalScope
import org.jetbrains.kotlin.scripting.compiler.plugin.ScriptingCompilerConfigurationComponentRegistrar
import org.jetbrains.kotlin.scripting.compiler.plugin.definitions.CliScriptDefinitionProvider
import org.jetbrains.kotlin.scripting.configuration.ScriptingConfigurationKeys
import org.jetbrains.kotlin.scripting.definitions.ScriptCompilationConfigurationFromDefinition
import org.jetbrains.kotlin.scripting.definitions.ScriptDefinitionProvider
import org.jetbrains.kotlin.scripting.definitions.ScriptDependenciesProvider
import org.jetbrains.kotlin.scripting.definitions.StandardScriptDefinition
import org.jetbrains.kotlin.scripting.definitions.ScriptDefinition
import org.jetbrains.kotlin.scripting.definitions.KotlinScriptDefinition // Legacy
import org.jetbrains.kotlin.scripting.definitions.findScriptDefinition
import org.jetbrains.kotlin.scripting.definitions.getEnvironment
import org.jetbrains.kotlin.scripting.extensions.ScriptExtraImportsProviderExtension
import org.jetbrains.kotlin.scripting.resolve.KotlinScriptDefinitionFromAnnotatedTemplate
import org.jetbrains.kotlin.types.TypeUtils
import org.jetbrains.kotlin.types.expressions.ExpressionTypingServices
import org.jetbrains.kotlin.util.KotlinFrontEndException
import org.jetbrains.kotlin.utils.PathUtil
import java.io.Closeable
import java.io.File
import java.nio.file.Path
import java.nio.file.Paths
import java.net.URLClassLoader
import java.util.concurrent.locks.ReentrantLock
import kotlin.concurrent.withLock
import kotlin.script.dependencies.Environment
import kotlin.script.dependencies.ScriptContents
import kotlin.script.experimental.dependencies.ScriptDependencies
import kotlin.script.experimental.api.ScriptCompilationConfiguration
import kotlin.script.experimental.dependencies.DependenciesResolver
import kotlin.script.experimental.dependencies.DependenciesResolver.ResolveResult
import kotlin.script.experimental.host.ScriptingHostConfiguration
import kotlin.script.experimental.host.configurationDependencies
import kotlin.script.experimental.jvm.defaultJvmScriptingHostConfiguration
import kotlin.script.experimental.jvm.JvmDependency
import org.javacs.kt.LOG
import org.javacs.kt.CompilerConfiguration
import org.javacs.kt.util.KotlinLSException
import org.javacs.kt.util.LoggingMessageCollector
private val GRADLE_DSL_DEPENDENCY_PATTERN = Regex("^gradle-(?:kotlin-dsl|core).*\\.jar$")
/**
* Kotlin compiler APIs used to parse, analyze and compile
* files and expressions.
*/
private class CompilationEnvironment(
javaSourcePath: Set<Path>,
classPath: Set<Path>
) : Closeable {
private val disposable = Disposer.newDisposable()
val environment: KotlinCoreEnvironment
val parser: KtPsiFactory
val scripts: ScriptDefinitionProvider
init {
environment = KotlinCoreEnvironment.createForProduction(
parentDisposable = disposable,
// Not to be confused with the CompilerConfiguration in the language server Configuration
configuration = KotlinCompilerConfiguration().apply {
val langFeatures = mutableMapOf<LanguageFeature, LanguageFeature.State>()
for (langFeature in LanguageFeature.values()) {
langFeatures[langFeature] = LanguageFeature.State.ENABLED
}
val languageVersionSettings = LanguageVersionSettingsImpl(
LanguageVersion.LATEST_STABLE,
ApiVersion.createByLanguageVersion(LanguageVersion.LATEST_STABLE),
emptyMap(),
langFeatures
)
put(CommonConfigurationKeys.MODULE_NAME, JvmProtoBufUtil.DEFAULT_MODULE_NAME)
put(CommonConfigurationKeys.LANGUAGE_VERSION_SETTINGS, languageVersionSettings)
put(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY, LoggingMessageCollector)
add(ComponentRegistrar.PLUGIN_COMPONENT_REGISTRARS, ScriptingCompilerConfigurationComponentRegistrar())
put(JVMConfigurationKeys.USE_PSI_CLASS_FILES_READING, true)
addJvmClasspathRoots(classPath.map { it.toFile() })
addJavaSourceRoots(javaSourcePath.map { it.toFile() })
// Setup script templates (e.g. used by Gradle's Kotlin DSL)
val scriptDefinitions: MutableList<ScriptDefinition> = mutableListOf(ScriptDefinition.getDefault(defaultJvmScriptingHostConfiguration))
if (classPath.any { GRADLE_DSL_DEPENDENCY_PATTERN.matches(it.fileName.toString()) }) {
LOG.info("Configuring Kotlin DSL script templates...")
val scriptTemplates = listOf(
"org.gradle.kotlin.dsl.KotlinInitScript",
"org.gradle.kotlin.dsl.KotlinSettingsScript",
"org.gradle.kotlin.dsl.KotlinBuildScript"
)
try {
// Load template classes
val scriptClassLoader = URLClassLoader(classPath.map { it.toUri().toURL() }.toTypedArray())
val fileClassPath = classPath.map { it.toFile() }
val scriptHostConfig = ScriptingHostConfiguration(defaultJvmScriptingHostConfiguration) {
configurationDependencies(JvmDependency(fileClassPath))
}
// TODO: KotlinScriptDefinition will soon be deprecated, use
// ScriptDefinition.compilationConfiguration and its defaultImports instead
// of KotlinScriptDefinition.dependencyResolver
// TODO: Use ScriptDefinition.FromLegacyTemplate directly if possible
// scriptDefinitions = scriptTemplates.map { ScriptDefinition.FromLegacyTemplate(scriptHostConfig, scriptClassLoader.loadClass(it).kotlin) }
scriptDefinitions.addAll(scriptTemplates.map { ScriptDefinition.FromLegacy(scriptHostConfig, object : KotlinScriptDefinitionFromAnnotatedTemplate(
scriptClassLoader.loadClass(it).kotlin,
scriptHostConfig[ScriptingHostConfiguration.getEnvironment]?.invoke()
) {
override val dependencyResolver: DependenciesResolver = object : DependenciesResolver {
override fun resolve(scriptContents: ScriptContents, environment: Environment) = ResolveResult.Success(ScriptDependencies(
imports = listOf(
"org.gradle.kotlin.dsl.*",
"org.gradle.kotlin.dsl.plugins.dsl.*",
"org.gradle.*",
"org.gradle.api.*",
"org.gradle.api.artifacts.*",
"org.gradle.api.artifacts.component.*",
"org.gradle.api.artifacts.dsl.*",
"org.gradle.api.artifacts.ivy.*",
"org.gradle.api.artifacts.maven.*",
"org.gradle.api.artifacts.query.*",
"org.gradle.api.artifacts.repositories.*",
"org.gradle.api.artifacts.result.*",
"org.gradle.api.artifacts.transform.*",
"org.gradle.api.artifacts.type.*",
"org.gradle.api.artifacts.verification.*",
"org.gradle.api.attributes.*",
"org.gradle.api.attributes.java.*",
"org.gradle.api.capabilities.*",
"org.gradle.api.component.*",
"org.gradle.api.credentials.*",
"org.gradle.api.distribution.*",
"org.gradle.api.distribution.plugins.*",
"org.gradle.api.execution.*",
"org.gradle.api.file.*",
"org.gradle.api.initialization.*",
"org.gradle.api.initialization.definition.*",
"org.gradle.api.initialization.dsl.*",
"org.gradle.api.invocation.*",
"org.gradle.api.java.archives.*",
"org.gradle.api.jvm.*",
"org.gradle.api.logging.*",
"org.gradle.api.logging.configuration.*",
"org.gradle.api.model.*",
"org.gradle.api.plugins.*",
"org.gradle.api.plugins.antlr.*",
"org.gradle.api.plugins.quality.*",
"org.gradle.api.plugins.scala.*",
"org.gradle.api.provider.*",
"org.gradle.api.publish.*",
"org.gradle.api.publish.ivy.*",
"org.gradle.api.publish.ivy.plugins.*",
"org.gradle.api.publish.ivy.tasks.*",
"org.gradle.api.publish.maven.*",
"org.gradle.api.publish.maven.plugins.*",
"org.gradle.api.publish.maven.tasks.*",
"org.gradle.api.publish.plugins.*",
"org.gradle.api.publish.tasks.*",
"org.gradle.api.reflect.*",
"org.gradle.api.reporting.*",
"org.gradle.api.reporting.components.*",
"org.gradle.api.reporting.dependencies.*",
"org.gradle.api.reporting.dependents.*",
"org.gradle.api.reporting.model.*",
"org.gradle.api.reporting.plugins.*",
"org.gradle.api.resources.*",
"org.gradle.api.services.*",
"org.gradle.api.specs.*",
"org.gradle.api.tasks.*",
"org.gradle.api.tasks.ant.*",
"org.gradle.api.tasks.application.*",
"org.gradle.api.tasks.bundling.*",
"org.gradle.api.tasks.compile.*",
"org.gradle.api.tasks.diagnostics.*",
"org.gradle.api.tasks.incremental.*",
"org.gradle.api.tasks.javadoc.*",
"org.gradle.api.tasks.options.*",
"org.gradle.api.tasks.scala.*",
"org.gradle.api.tasks.testing.*",
"org.gradle.api.tasks.testing.junit.*",
"org.gradle.api.tasks.testing.junitplatform.*",
"org.gradle.api.tasks.testing.testng.*",
"org.gradle.api.tasks.util.*",
"org.gradle.api.tasks.wrapper.*",
"org.gradle.authentication.*",
"org.gradle.authentication.aws.*",
"org.gradle.authentication.http.*",
"org.gradle.build.event.*",
"org.gradle.buildinit.plugins.*",
"org.gradle.buildinit.tasks.*",
"org.gradle.caching.*",
"org.gradle.caching.configuration.*",
"org.gradle.caching.http.*",
"org.gradle.caching.local.*",
"org.gradle.concurrent.*",
"org.gradle.external.javadoc.*",
"org.gradle.ide.visualstudio.*",
"org.gradle.ide.visualstudio.plugins.*",
"org.gradle.ide.visualstudio.tasks.*",
"org.gradle.ide.xcode.*",
"org.gradle.ide.xcode.plugins.*",
"org.gradle.ide.xcode.tasks.*",
"org.gradle.ivy.*",
"org.gradle.jvm.*",
"org.gradle.jvm.application.scripts.*",
"org.gradle.jvm.application.tasks.*",
"org.gradle.jvm.platform.*",
"org.gradle.jvm.plugins.*",
"org.gradle.jvm.tasks.*",
"org.gradle.jvm.tasks.api.*",
"org.gradle.jvm.test.*",
"org.gradle.jvm.toolchain.*",
"org.gradle.language.*",
"org.gradle.language.assembler.*",
"org.gradle.language.assembler.plugins.*",
"org.gradle.language.assembler.tasks.*",
"org.gradle.language.base.*",
"org.gradle.language.base.artifact.*",
"org.gradle.language.base.compile.*",
"org.gradle.language.base.plugins.*",
"org.gradle.language.base.sources.*",
"org.gradle.language.c.*",
"org.gradle.language.c.plugins.*",
"org.gradle.language.c.tasks.*",
"org.gradle.language.coffeescript.*",
"org.gradle.language.cpp.*",
"org.gradle.language.cpp.plugins.*",
"org.gradle.language.cpp.tasks.*",
"org.gradle.language.java.*",
"org.gradle.language.java.artifact.*",
"org.gradle.language.java.plugins.*",
"org.gradle.language.java.tasks.*",
"org.gradle.language.javascript.*",
"org.gradle.language.jvm.*",
"org.gradle.language.jvm.plugins.*",
"org.gradle.language.jvm.tasks.*",
"org.gradle.language.nativeplatform.*",
"org.gradle.language.nativeplatform.tasks.*",
"org.gradle.language.objectivec.*",
"org.gradle.language.objectivec.plugins.*",
"org.gradle.language.objectivec.tasks.*",
"org.gradle.language.objectivecpp.*",
"org.gradle.language.objectivecpp.plugins.*",
"org.gradle.language.objectivecpp.tasks.*",
"org.gradle.language.plugins.*",
"org.gradle.language.rc.*",
"org.gradle.language.rc.plugins.*",
"org.gradle.language.rc.tasks.*",
"org.gradle.language.routes.*",
"org.gradle.language.scala.*",
"org.gradle.language.scala.plugins.*",
"org.gradle.language.scala.tasks.*",
"org.gradle.language.scala.toolchain.*",
"org.gradle.language.swift.*",
"org.gradle.language.swift.plugins.*",
"org.gradle.language.swift.tasks.*",
"org.gradle.language.twirl.*",
"org.gradle.maven.*",
"org.gradle.model.*",
"org.gradle.nativeplatform.*",
"org.gradle.nativeplatform.platform.*",
"org.gradle.nativeplatform.plugins.*",
"org.gradle.nativeplatform.tasks.*",
"org.gradle.nativeplatform.test.*",
"org.gradle.nativeplatform.test.cpp.*",
"org.gradle.nativeplatform.test.cpp.plugins.*",
"org.gradle.nativeplatform.test.cunit.*",
"org.gradle.nativeplatform.test.cunit.plugins.*",
"org.gradle.nativeplatform.test.cunit.tasks.*",
"org.gradle.nativeplatform.test.googletest.*",
"org.gradle.nativeplatform.test.googletest.plugins.*",
"org.gradle.nativeplatform.test.plugins.*",
"org.gradle.nativeplatform.test.tasks.*",
"org.gradle.nativeplatform.test.xctest.*",
"org.gradle.nativeplatform.test.xctest.plugins.*",
"org.gradle.nativeplatform.test.xctest.tasks.*",
"org.gradle.nativeplatform.toolchain.*",
"org.gradle.nativeplatform.toolchain.plugins.*",
"org.gradle.normalization.*",
"org.gradle.platform.base.*",
"org.gradle.platform.base.binary.*",
"org.gradle.platform.base.component.*",
"org.gradle.platform.base.plugins.*",
"org.gradle.play.*",
"org.gradle.play.distribution.*",
"org.gradle.play.platform.*",
"org.gradle.play.plugins.*",
"org.gradle.play.plugins.ide.*",
"org.gradle.play.tasks.*",
"org.gradle.play.toolchain.*",
"org.gradle.plugin.devel.*",
"org.gradle.plugin.devel.plugins.*",
"org.gradle.plugin.devel.tasks.*",
"org.gradle.plugin.management.*",
"org.gradle.plugin.use.*",
"org.gradle.plugins.ear.*",
"org.gradle.plugins.ear.descriptor.*",
"org.gradle.plugins.ide.*",
"org.gradle.plugins.ide.api.*",
"org.gradle.plugins.ide.eclipse.*",
"org.gradle.plugins.ide.idea.*",
"org.gradle.plugins.javascript.base.*",
"org.gradle.plugins.javascript.coffeescript.*",
"org.gradle.plugins.javascript.envjs.*",
"org.gradle.plugins.javascript.envjs.browser.*",
"org.gradle.plugins.javascript.envjs.http.*",
"org.gradle.plugins.javascript.envjs.http.simple.*",
"org.gradle.plugins.javascript.jshint.*",
"org.gradle.plugins.javascript.rhino.*",
"org.gradle.plugins.signing.*",
"org.gradle.plugins.signing.signatory.*",
"org.gradle.plugins.signing.signatory.pgp.*",
"org.gradle.plugins.signing.type.*",
"org.gradle.plugins.signing.type.pgp.*",
"org.gradle.process.*",
"org.gradle.swiftpm.*",
"org.gradle.swiftpm.plugins.*",
"org.gradle.swiftpm.tasks.*",
"org.gradle.testing.base.*",
"org.gradle.testing.base.plugins.*",
"org.gradle.testing.jacoco.plugins.*",
"org.gradle.testing.jacoco.tasks.*",
"org.gradle.testing.jacoco.tasks.rules.*",
"org.gradle.testkit.runner.*",
"org.gradle.vcs.*",
"org.gradle.vcs.git.*",
"org.gradle.work.*",
"org.gradle.workers.*"
)
))
}
}) })
} catch (e: Exception) {
LOG.error("Error while loading script template classes")
LOG.printStackTrace(e)
}
}
LOG.info("Adding script definitions ${scriptDefinitions.map { it.asLegacyOrNull<KotlinScriptDefinition>()?.template?.simpleName }}")
addAll(ScriptingConfigurationKeys.SCRIPT_DEFINITIONS, scriptDefinitions)
},
configFiles = EnvironmentConfigFiles.JVM_CONFIG_FILES
)
val project = environment.project
parser = KtPsiFactory(project)
scripts = ScriptDefinitionProvider.getInstance(project)!! as CliScriptDefinitionProvider
}
fun updateConfiguration(config: CompilerConfiguration) {
jvmTargetFrom(config.jvm.target)
?.let { environment.configuration.put(JVMConfigurationKeys.JVM_TARGET, it) }
}
private fun jvmTargetFrom(target: String): JvmTarget? = when (target) {
// See https://github.com/JetBrains/kotlin/blob/master/compiler/config.jvm/src/org/jetbrains/kotlin/config/JvmTarget.kt
"default" -> JvmTarget.DEFAULT
"1.6" -> JvmTarget.JVM_1_6
"1.8" -> JvmTarget.JVM_1_8
"9" -> JvmTarget.JVM_9
"10" -> JvmTarget.JVM_10
"11" -> JvmTarget.JVM_11
"12" -> JvmTarget.JVM_12
"13" -> JvmTarget.JVM_13
"14" -> JvmTarget.JVM_14
"15" -> JvmTarget.JVM_15
else -> null
}
fun createContainer(sourcePath: Collection<KtFile>): Pair<ComponentProvider, BindingTraceContext> {
val trace = CliBindingTrace()
val container = TopDownAnalyzerFacadeForJVM.createContainer(
project = environment.project,
files = sourcePath,
trace = trace,
configuration = environment.configuration,
packagePartProvider = environment::createPackagePartProvider,
// TODO FileBasedDeclarationProviderFactory keeps indices, re-use it across calls
declarationProviderFactory = ::FileBasedDeclarationProviderFactory
)
return Pair(container, trace)
}
override fun close() {
Disposer.dispose(disposable)
}
}
/**
* Determines the compilation environment used
* by the compiler (and thus the class path).
*/
enum class CompilationKind {
/** Uses the default class path. */
DEFAULT,
/** Uses the Kotlin DSL class path if available. */
BUILD_SCRIPT
}
/**
* Incrementally compiles files and expressions.
* The basic strategy for compiling one file at-a-time is outlined in OneFilePerformance.
*/
class Compiler(javaSourcePath: Set<Path>, classPath: Set<Path>, buildScriptClassPath: Set<Path> = emptySet()) : Closeable {
private var closed = false
private val localFileSystem: VirtualFileSystem
private val defaultCompileEnvironment = CompilationEnvironment(javaSourcePath, classPath)
private val buildScriptCompileEnvironment = buildScriptClassPath.takeIf { it.isNotEmpty() }?.let { CompilationEnvironment(emptySet(), it) }
private val compileLock = ReentrantLock() // TODO: Lock at file-level
companion object {
init {
setIdeaIoUseFallback()
}
}
init {
localFileSystem = VirtualFileManager.getInstance().getFileSystem(StandardFileSystems.FILE_PROTOCOL)
}
/**
* Updates the compiler environment using the given
* configuration (which is a class from this project).
*/
fun updateConfiguration(config: CompilerConfiguration) {
defaultCompileEnvironment.updateConfiguration(config)
buildScriptCompileEnvironment?.updateConfiguration(config)
}
fun createPsiFile(content: String, file: Path = Paths.get("dummy.virtual.kt"), language: Language = KotlinLanguage.INSTANCE, kind: CompilationKind = CompilationKind.DEFAULT): PsiFile {
assert(!content.contains('\r'))
val new = psiFileFactoryFor(kind).createFileFromText(file.toString(), language, content, true, false)
assert(new.virtualFile != null)
return new
}
fun createKtFile(content: String, file: Path = Paths.get("dummy.virtual.kt"), kind: CompilationKind = CompilationKind.DEFAULT): KtFile =
createPsiFile(content, file, language = KotlinLanguage.INSTANCE, kind = kind) as KtFile
fun createKtExpression(content: String, file: Path = Paths.get("dummy.virtual.kt"), kind: CompilationKind = CompilationKind.DEFAULT): KtExpression {
val property = createKtDeclaration("val x = $content", file, kind) as KtProperty
return property.initializer!!
}
fun createKtDeclaration(content: String, file: Path = Paths.get("dummy.virtual.kt"), kind: CompilationKind = CompilationKind.DEFAULT): KtDeclaration {
val parse = createKtFile(content, file, kind)
val declarations = parse.declarations
assert(declarations.size == 1) { "${declarations.size} declarations in $content" }
val onlyDeclaration = declarations.first()
if (onlyDeclaration is KtScript) {
val scriptDeclarations = onlyDeclaration.declarations
assert(declarations.size == 1) { "${declarations.size} declarations in script in $content" }
return scriptDeclarations.first()
}
else return onlyDeclaration
}
private fun compileEnvironmentFor(kind: CompilationKind): CompilationEnvironment = when (kind) {
CompilationKind.DEFAULT -> defaultCompileEnvironment
CompilationKind.BUILD_SCRIPT -> buildScriptCompileEnvironment ?: defaultCompileEnvironment
}
fun psiFileFactoryFor(kind: CompilationKind): PsiFileFactory =
PsiFileFactory.getInstance(compileEnvironmentFor(kind).environment.project)
fun compileKtFile(file: KtFile, sourcePath: Collection<KtFile>, kind: CompilationKind = CompilationKind.DEFAULT): Pair<BindingContext, ComponentProvider> =
compileKtFiles(listOf(file), sourcePath, kind)
fun compileKtFiles(files: Collection<KtFile>, sourcePath: Collection<KtFile>, kind: CompilationKind = CompilationKind.DEFAULT): Pair<BindingContext, ComponentProvider> {
if (kind == CompilationKind.BUILD_SCRIPT) {
// Print the (legacy) script template used by the compiled Kotlin DSL build file
files.forEach { LOG.debug { "$it -> ScriptDefinition: ${it.findScriptDefinition()?.asLegacyOrNull<KotlinScriptDefinition>()?.template?.simpleName}" } }
}
compileLock.withLock {
val compileEnv = compileEnvironmentFor(kind)
val (container, trace) = compileEnv.createContainer(sourcePath)
container.get<LazyTopDownAnalyzer>().analyzeDeclarations(TopDownAnalysisMode.TopLevelDeclarations, files)
return Pair(trace.bindingContext, container)
}
}
fun compileKtExpression(expression: KtExpression, scopeWithImports: LexicalScope, sourcePath: Collection<KtFile>, kind: CompilationKind = CompilationKind.DEFAULT): Pair<BindingContext, ComponentProvider> {
try {
// Use same lock as 'compileFile' to avoid concurrency issues such as #42
compileLock.withLock {
val (container, trace) = compileEnvironmentFor(kind).createContainer(sourcePath)
val incrementalCompiler = container.get<ExpressionTypingServices>()
incrementalCompiler.getTypeInfo(
scopeWithImports,
expression,
TypeUtils.NO_EXPECTED_TYPE,
DataFlowInfo.EMPTY,
InferenceSession.default,
trace,
true)
return Pair(trace.bindingContext, container)
}
} catch (e: KotlinFrontEndException) {
throw KotlinLSException("Error while analyzing: ${describeExpression(expression.text)}", e)
}
}
override fun close() {
if (!closed) {
defaultCompileEnvironment.close()
buildScriptCompileEnvironment?.close()
closed = true
} else {
LOG.warn("Compiler is already closed!")
}
}
}
private fun describeExpression(expression: String): String = expression.lines().let { lines ->
if (lines.size < 5) {
expression
} else {
(lines.take(3) + listOf("...", lines.last())).joinToString(separator = "\n")
}
}