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Kotlin compiler client embeddable
/*
* Copyright 2010-2024 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.cli.common.arguments
import com.intellij.util.xmlb.annotations.Transient
import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSeverity
import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSeverity.WARNING
import org.jetbrains.kotlin.cli.common.messages.MessageCollector
import org.jetbrains.kotlin.config.*
import org.jetbrains.kotlin.utils.IDEAPlatforms
import org.jetbrains.kotlin.utils.IDEAPluginsCompatibilityAPI
@SuppressWarnings("WeakerAccess")
abstract class CommonCompilerArguments : CommonToolArguments() {
companion object {
@JvmStatic
private val serialVersionUID = 0L
const val PLUGIN_OPTION_FORMAT = "plugin::="
const val PLUGIN_DECLARATION_FORMAT = "[==]"
const val WARN = "warn"
const val ERROR = "error"
const val ENABLE = "enable"
const val DEFAULT = "default"
}
@get:Transient
var autoAdvanceLanguageVersion = true
set(value) {
checkFrozen()
field = value
}
@GradleOption(
value = DefaultValue.LANGUAGE_VERSIONS,
gradleInputType = GradleInputTypes.INPUT,
shouldGenerateDeprecatedKotlinOptions = true,
)
@Argument(
value = "-language-version",
valueDescription = "",
description = "Provide source compatibility with the specified version of Kotlin."
)
var languageVersion: String? = null
set(value) {
checkFrozen()
field = if (value.isNullOrEmpty()) null else value
}
@get:Transient
var autoAdvanceApiVersion = true
set(value) {
checkFrozen()
field = value
}
@GradleOption(
value = DefaultValue.API_VERSIONS,
gradleInputType = GradleInputTypes.INPUT,
shouldGenerateDeprecatedKotlinOptions = true,
)
@Argument(
value = "-api-version",
valueDescription = "",
description = "Allow using declarations from only the specified version of bundled libraries."
)
var apiVersion: String? = null
set(value) {
checkFrozen()
field = if (value.isNullOrEmpty()) null else value
}
@Argument(
value = "-kotlin-home",
valueDescription = "",
description = "Path to the Kotlin compiler home directory used for the discovery of runtime libraries."
)
var kotlinHome: String? = null
set(value) {
checkFrozen()
field = if (value.isNullOrEmpty()) null else value
}
@GradleOption(
value = DefaultValue.BOOLEAN_FALSE_DEFAULT,
gradleInputType = GradleInputTypes.INPUT
)
@Argument(
value = "-progressive",
deprecatedName = "-Xprogressive",
description = """Enable progressive compiler mode.
In this mode, deprecations and bug fixes for unstable code take effect immediately
instead of going through a graceful migration cycle.
Code written in progressive mode is backward compatible; however, code written without
progressive mode enabled may cause compilation errors in progressive mode."""
)
var progressiveMode = false
set(value) {
checkFrozen()
field = value
}
@Argument(value = "-script", description = "Evaluate the given Kotlin script (*.kts) file.")
var script = false
set(value) {
checkFrozen()
field = value
}
@GradleOption(
value = DefaultValue.EMPTY_STRING_ARRAY_DEFAULT,
gradleInputType = GradleInputTypes.INPUT
)
@Argument(
value = "-opt-in",
deprecatedName = "-Xopt-in",
valueDescription = "",
description = "Enable API usages that require opt-in with an opt-in requirement marker with the given fully qualified name."
)
var optIn: Array? = null
set(value) {
checkFrozen()
field = value
}
// Advanced options
@Argument(value = "-Xno-inline", description = "Disable method inlining.")
var noInline = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xskip-metadata-version-check",
description = "Allow loading classes with bad metadata versions and pre-release classes."
)
var skipMetadataVersionCheck = false
set(value) {
checkFrozen()
field = value
}
@Argument(value = "-Xskip-prerelease-check", description = "Allow loading pre-release classes.")
var skipPrereleaseCheck = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xallow-kotlin-package",
description = "Allow compiling code in the 'kotlin' package, and allow not requiring 'kotlin.stdlib' in 'module-info'."
)
var allowKotlinPackage = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xstdlib-compilation",
description = "Enables special features which are relevant only for stdlib compilation.",
)
var stdlibCompilation = false
set(value) {
checkFrozen()
field = value
}
@Argument(value = "-Xreport-output-files", description = "Report the source-to-output file mapping.")
var reportOutputFiles = false
set(value) {
checkFrozen()
field = value
}
@Argument(value = "-Xplugin", valueDescription = "", description = "Load plugins from the given classpath.")
var pluginClasspaths: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(value = "-P", valueDescription = PLUGIN_OPTION_FORMAT, description = "Pass an option to a plugin.")
var pluginOptions: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xcompiler-plugin",
valueDescription = ",[==,=]",
description = "Register a compiler plugin.",
delimiter = Argument.Delimiters.none
)
var pluginConfigurations: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(value = "-Xmulti-platform", description = "Enable language support for multiplatform projects.")
var multiPlatform = false
set(value) {
checkFrozen()
field = value
}
@Argument(value = "-Xno-check-actual", description = "Do not check for the presence of the 'actual' modifier in multiplatform projects.")
var noCheckActual = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xintellij-plugin-root",
valueDescription = "",
description = "Path to 'kotlin-compiler.jar' or the directory where the IntelliJ IDEA configuration files can be found."
)
var intellijPluginRoot: String? = null
set(value) {
checkFrozen()
field = if (value.isNullOrEmpty()) null else value
}
@Argument(
value = "-Xnew-inference",
description = "Enable the new experimental generic type inference algorithm."
)
var newInference = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xinline-classes",
description = "Enable experimental inline classes."
)
var inlineClasses = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xlegacy-smart-cast-after-try",
description = "Allow 'var' smart casts even in the presence of assignments in 'try' blocks."
)
var legacySmartCastAfterTry = false
set(value) {
checkFrozen()
field = value
}
@IDEAPluginsCompatibilityAPI(
IDEAPlatforms._212, // maybe 211 AS used it too
IDEAPlatforms._213,
message = "Please migrate to -opt-in",
plugins = "Android"
)
var experimental: Array? = null
@IDEAPluginsCompatibilityAPI(
IDEAPlatforms._212, // maybe 211 AS used it too
IDEAPlatforms._213,
message = "Please migrate to -opt-in",
plugins = "Android"
)
var useExperimental: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(value = "-Xreport-perf", description = "Report detailed performance statistics.")
var reportPerf = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xdump-perf",
valueDescription = "",
description = "Dump detailed performance statistics to the specified file."
)
var dumpPerf: String? = null
set(value) {
checkFrozen()
field = if (value.isNullOrEmpty()) null else value
}
@Argument(
value = "-Xmetadata-version",
description = "Change the metadata version of the generated binary files."
)
var metadataVersion: String? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xcommon-sources",
valueDescription = "",
description = """Sources of the common module that need to be compiled together with this module in multiplatform mode.
They should be a subset of sources passed as free arguments."""
)
var commonSources: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xlist-phases",
description = "List backend phases."
)
var listPhases = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xdisable-phases",
description = "Disable backend phases."
)
var disablePhases: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xverbose-phases",
description = "Be verbose while performing the given backend phases."
)
var verbosePhases: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xphases-to-dump-before",
description = "Dump the backend's state before these phases."
)
var phasesToDumpBefore: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xphases-to-dump-after",
description = "Dump the backend's state after these phases."
)
var phasesToDumpAfter: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xphases-to-dump",
description = "Dump the backend's state both before and after these phases."
)
var phasesToDump: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xdump-directory",
description = "Dump the backend state into this directory."
)
var dumpDirectory: String? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xdump-fqname",
description = "Dump the declaration with the given FqName."
)
var dumpOnlyFqName: String? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xphases-to-validate-before",
description = "Validate the backend's state before these phases."
)
var phasesToValidateBefore: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xphases-to-validate-after",
description = "Validate the backend's state after these phases."
)
var phasesToValidateAfter: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xphases-to-validate",
description = "Validate the backend's state both before and after these phases."
)
var phasesToValidate: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xverify-ir",
valueDescription = "{none|warning|error}",
description = "IR verification mode (no verification by default)."
)
var verifyIr: String? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xverify-ir-visibility",
description = "Check for visibility violations in IR when validating it before running any lowerings. " +
"Only has effect if '-Xverify-ir' is not 'none'.",
)
var verifyIrVisibility: Boolean = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xverify-ir-visibility-after-inlining",
description = """Check for visibility violations in IR when validating it after the function inlining phase.
Only has effect if '-Xverify-ir' is not 'none'.
This flag is deprecated and will soon be removed in favor of '-Xverify-ir-visibility'.
""",
)
var verifyIrVisibilityAfterInlining: Boolean = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xprofile-phases",
description = "Profile backend phases."
)
var profilePhases = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xcheck-phase-conditions",
description = "Check pre- and postconditions of IR lowering phases."
)
var checkPhaseConditions = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xcheck-sticky-phase-conditions",
description = "Run sticky condition checks on subsequent phases. Implicitly enables '-Xcheck-phase-conditions'."
)
var checkStickyPhaseConditions = false
set(value) {
checkFrozen()
field = value
}
@GradleDeprecatedOption(
message = "Compiler flag -Xuse-k2 is deprecated; please use language version 2.0 instead",
level = DeprecationLevel.ERROR,
removeAfter = LanguageVersion.KOTLIN_2_1,
)
@GradleOption(
DefaultValue.BOOLEAN_FALSE_DEFAULT,
gradleInputType = GradleInputTypes.INPUT,
shouldGenerateDeprecatedKotlinOptions = true,
)
@Argument(
value = "-Xuse-k2",
deprecatedName = "-Xuse-fir",
description = "Compile using the experimental K2 compiler pipeline. No compatibility guarantees are provided yet."
)
var useK2 = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xuse-fir-experimental-checkers",
description = "Enable experimental frontend IR checkers that are not yet ready for production."
)
var useFirExperimentalCheckers = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xuse-fir-ic",
description = "Compile using frontend IR internal incremental compilation.\nWarning: This feature is not yet production-ready."
)
var useFirIC = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xuse-fir-lt",
description = "Compile using the LightTree parser with the frontend IR."
)
var useFirLT = true
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xmetadata-klib",
description = "Produce a klib that only contains the metadata of declarations.",
deprecatedName = "-Xexpect-actual-linker"
)
var metadataKlib: Boolean = false
set(value) {
checkFrozen()
field = value
}
@Argument(value = "-Xdisable-default-scripting-plugin", description = "Don't enable the scripting plugin by default.")
var disableDefaultScriptingPlugin = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xexplicit-api",
valueDescription = "{strict|warning|disable}",
description = """Force the compiler to report errors on all public API declarations without an explicit visibility or a return type.
Use the 'warning' level to issue warnings instead of errors."""
)
var explicitApi: String = ExplicitApiMode.DISABLED.state
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-XXexplicit-return-types",
valueDescription = "{strict|warning|disable}",
description = """Force the compiler to report errors on all public API declarations without an explicit return type.
Use the 'warning' level to issue warnings instead of errors.
This flag partially enables functionality of `-Xexplicit-api` flag, so please don't use them altogether"""
)
var explicitReturnTypes: String = ExplicitApiMode.DISABLED.state
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xinference-compatibility",
description = "Enable compatibility changes for the generic type inference algorithm."
)
var inferenceCompatibility = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xsuppress-version-warnings",
description = "Suppress warnings about outdated, inconsistent, or experimental language or API versions."
)
var suppressVersionWarnings = false
set(value) {
checkFrozen()
field = value
}
// TODO(KT-56076): remove this argument after stdlib started to be built with 2.0
@Argument(
value = "-Xsuppress-api-version-greater-than-language-version-error",
description = "Suppress error about API version greater than language version.\n" +
"Warning: This is temporary solution (see KT-63712) intended to be used only for stdlib build."
)
var suppressApiVersionGreaterThanLanguageVersionError: Boolean = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xextended-compiler-checks",
description = """Enable additional compiler checks that might provide verbose diagnostic information for certain errors.
Warning: This mode is not backward compatible and might cause compilation errors in previously compiled code."""
)
var extendedCompilerChecks = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xexpect-actual-classes",
description = """'expect'/'actual' classes (including interfaces, objects, annotations, enums, and 'actual' typealiases) are in Beta.
Kotlin reports a warning every time you use one of them. You can use this flag to mute the warning."""
)
var expectActualClasses = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xconsistent-data-class-copy-visibility",
description = "The effect of this compiler flag is the same as applying @ConsistentCopyVisibility annotation to all data classes in the module. " +
"See https://youtrack.jetbrains.com/issue/KT-11914"
)
var consistentDataClassCopyVisibility = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xunrestricted-builder-inference",
description = "Eliminate builder inference restrictions, for example by allowing type variables to be returned from builder inference calls."
)
var unrestrictedBuilderInference = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xenable-builder-inference",
description = """Use builder inference by default for all calls with lambdas that can't be resolved without it.
The corresponding calls' declarations may not be marked with @BuilderInference."""
)
var enableBuilderInference = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xself-upper-bound-inference",
description = "Support inferring type arguments from the self-type upper bounds of the corresponding type parameters."
)
var selfUpperBoundInference = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xcontext-receivers",
description = "Enable experimental context receivers."
)
var contextReceivers = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xnon-local-break-continue",
description = "Enable experimental non-local break and continue."
)
var nonLocalBreakContinue = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xdirect-java-actualization",
description = "Enable experimental direct Java actualization support."
)
var directJavaActualization = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xmulti-dollar-interpolation",
description = "Enable experimental multi-dollar interpolation."
)
var multiDollarInterpolation = false
set(value) {
checkFrozen()
field = value
}
@Argument(value = "-Xenable-incremental-compilation", description = "Enable incremental compilation.")
var incrementalCompilation: Boolean? = null
set(value) {
checkFrozen()
field = value
}
@Argument(value = "-Xrender-internal-diagnostic-names", description = "Render the internal names of warnings and errors.")
var renderInternalDiagnosticNames = false
set(value) {
checkFrozen()
field = value
}
@Argument(value = "-Xallow-any-scripts-in-source-roots", description = "Allow compiling scripts along with regular Kotlin sources.")
var allowAnyScriptsInSourceRoots = false
set(value) {
checkFrozen()
field = value
}
@Argument(value = "-Xreport-all-warnings", description = "Report all warnings even if errors are found.")
var reportAllWarnings = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xfragments",
valueDescription = "",
description = "Declare all known fragments of a multiplatform compilation."
)
var fragments: Array? = null
@Argument(
value = "-Xfragment-sources",
valueDescription = ":",
description = "Add sources to a specific fragment of a multiplatform compilation.",
)
var fragmentSources: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xfragment-refines",
valueDescription = ":",
description = "Declare that refines with the dependsOn/refines relation.",
)
var fragmentRefines: Array? = null
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xignore-const-optimization-errors",
description = "Ignore all compilation exceptions while optimizing some constant expressions."
)
var ignoreConstOptimizationErrors = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xdont-warn-on-error-suppression",
description = "Don't report warnings when errors are suppressed. This only affects K2."
)
var dontWarnOnErrorSuppression = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xwhen-guards",
description = "Enable experimental language support for when guards."
)
var whenGuards = false
set(value) {
checkFrozen()
field = value
}
@Argument(
value = "-Xsuppress-warning",
valueDescription = "",
description = "Suppress specified warning module-wide."
)
var suppressedDiagnostics: Array? = null
set(value) {
checkFrozen()
field = value
}
@OptIn(IDEAPluginsCompatibilityAPI::class)
open fun configureAnalysisFlags(collector: MessageCollector, languageVersion: LanguageVersion): MutableMap, Any> {
return HashMap, Any>().apply {
put(AnalysisFlags.skipMetadataVersionCheck, skipMetadataVersionCheck)
put(AnalysisFlags.skipPrereleaseCheck, skipPrereleaseCheck || skipMetadataVersionCheck)
put(AnalysisFlags.multiPlatformDoNotCheckActual, noCheckActual)
val useExperimentalFqNames = useExperimental?.toList().orEmpty()
if (useExperimentalFqNames.isNotEmpty()) {
collector.report(
WARNING, "'-Xuse-experimental' is deprecated and will be removed in a future release, please use -opt-in instead"
)
}
put(AnalysisFlags.optIn, useExperimentalFqNames + optIn?.toList().orEmpty())
put(AnalysisFlags.skipExpectedActualDeclarationChecker, metadataKlib)
put(AnalysisFlags.explicitApiVersion, apiVersion != null)
ExplicitApiMode.fromString(explicitApi)?.also { put(AnalysisFlags.explicitApiMode, it) } ?: collector.report(
CompilerMessageSeverity.ERROR,
"Unknown value for parameter -Xexplicit-api: '$explicitApi'. Value should be one of ${ExplicitApiMode.availableValues()}"
)
ExplicitApiMode.fromString(explicitReturnTypes)?.also { put(AnalysisFlags.explicitReturnTypes, it) } ?: collector.report(
CompilerMessageSeverity.ERROR,
"Unknown value for parameter -XXexplicit-return-types: '$explicitReturnTypes'. Value should be one of ${ExplicitApiMode.availableValues()}"
)
put(AnalysisFlags.extendedCompilerChecks, extendedCompilerChecks)
put(AnalysisFlags.allowKotlinPackage, allowKotlinPackage)
put(AnalysisFlags.stdlibCompilation, stdlibCompilation)
put(AnalysisFlags.muteExpectActualClassesWarning, expectActualClasses)
put(AnalysisFlags.allowFullyQualifiedNameInKClass, true)
put(AnalysisFlags.dontWarnOnErrorSuppression, dontWarnOnErrorSuppression)
put(AnalysisFlags.globallySuppressedDiagnostics, suppressedDiagnostics?.toList().orEmpty())
}
}
open fun configureLanguageFeatures(collector: MessageCollector): MutableMap =
HashMap().apply {
if (multiPlatform) {
put(LanguageFeature.MultiPlatformProjects, LanguageFeature.State.ENABLED)
}
if (consistentDataClassCopyVisibility) {
put(LanguageFeature.DataClassCopyRespectsConstructorVisibility, LanguageFeature.State.ENABLED)
}
if (unrestrictedBuilderInference) {
put(LanguageFeature.UnrestrictedBuilderInference, LanguageFeature.State.ENABLED)
}
if (enableBuilderInference) {
put(LanguageFeature.UseBuilderInferenceWithoutAnnotation, LanguageFeature.State.ENABLED)
}
if (selfUpperBoundInference) {
put(LanguageFeature.TypeInferenceOnCallsWithSelfTypes, LanguageFeature.State.ENABLED)
}
if (newInference) {
put(LanguageFeature.NewInference, LanguageFeature.State.ENABLED)
put(LanguageFeature.SamConversionPerArgument, LanguageFeature.State.ENABLED)
put(LanguageFeature.FunctionReferenceWithDefaultValueAsOtherType, LanguageFeature.State.ENABLED)
put(LanguageFeature.DisableCompatibilityModeForNewInference, LanguageFeature.State.ENABLED)
}
if (contextReceivers) {
put(LanguageFeature.ContextReceivers, LanguageFeature.State.ENABLED)
}
if (nonLocalBreakContinue) {
put(LanguageFeature.BreakContinueInInlineLambdas, LanguageFeature.State.ENABLED)
}
if (directJavaActualization) {
put(LanguageFeature.DirectJavaActualization, LanguageFeature.State.ENABLED)
}
if (inlineClasses) {
put(LanguageFeature.InlineClasses, LanguageFeature.State.ENABLED)
}
if (legacySmartCastAfterTry) {
put(LanguageFeature.SoundSmartCastsAfterTry, LanguageFeature.State.DISABLED)
}
if (inferenceCompatibility) {
put(LanguageFeature.InferenceCompatibility, LanguageFeature.State.ENABLED)
}
if (whenGuards) {
put(LanguageFeature.WhenGuards, LanguageFeature.State.ENABLED)
}
if (multiDollarInterpolation) {
put(LanguageFeature.MultiDollarInterpolation, LanguageFeature.State.ENABLED)
}
if (progressiveMode) {
LanguageFeature.entries.filter { it.enabledInProgressiveMode }.forEach {
// Don't overwrite other settings: users may want to turn off some particular
// breaking change manually instead of turning off whole progressive mode
if (!contains(it)) put(it, LanguageFeature.State.ENABLED)
}
}
if (allowAnyScriptsInSourceRoots) {
put(LanguageFeature.SkipStandaloneScriptsInSourceRoots, LanguageFeature.State.DISABLED)
}
// Internal arguments should go last, because it may be useful to override
// some feature state via -XX (even if some -X flags were passed)
if (internalArguments.isNotEmpty()) {
configureLanguageFeaturesFromInternalArgs(collector)
}
configureExtraLanguageFeatures(this)
}
protected open fun configureExtraLanguageFeatures(map: HashMap) {}
private fun HashMap.configureLanguageFeaturesFromInternalArgs(collector: MessageCollector) {
val featuresThatForcePreReleaseBinaries = mutableListOf()
val disabledFeaturesFromUnsupportedVersions = mutableListOf()
var standaloneSamConversionFeaturePassedExplicitly = false
var functionReferenceWithDefaultValueFeaturePassedExplicitly = false
for ((feature, state) in internalArguments.filterIsInstance()) {
put(feature, state)
if (state == LanguageFeature.State.ENABLED && feature.forcesPreReleaseBinariesIfEnabled()) {
featuresThatForcePreReleaseBinaries += feature
}
if (state == LanguageFeature.State.DISABLED && feature.sinceVersion?.isUnsupported == true) {
disabledFeaturesFromUnsupportedVersions += feature
}
when (feature) {
LanguageFeature.SamConversionPerArgument ->
standaloneSamConversionFeaturePassedExplicitly = true
LanguageFeature.FunctionReferenceWithDefaultValueAsOtherType ->
functionReferenceWithDefaultValueFeaturePassedExplicitly = true
else -> {}
}
}
if (this[LanguageFeature.NewInference] == LanguageFeature.State.ENABLED) {
if (!standaloneSamConversionFeaturePassedExplicitly)
put(LanguageFeature.SamConversionPerArgument, LanguageFeature.State.ENABLED)
if (!functionReferenceWithDefaultValueFeaturePassedExplicitly)
put(LanguageFeature.FunctionReferenceWithDefaultValueAsOtherType, LanguageFeature.State.ENABLED)
put(LanguageFeature.DisableCompatibilityModeForNewInference, LanguageFeature.State.ENABLED)
}
if (featuresThatForcePreReleaseBinaries.isNotEmpty()) {
collector.report(
CompilerMessageSeverity.STRONG_WARNING,
"Following manually enabled features will force generation of pre-release binaries: ${featuresThatForcePreReleaseBinaries.joinToString()}"
)
}
if (disabledFeaturesFromUnsupportedVersions.isNotEmpty()) {
collector.report(
CompilerMessageSeverity.ERROR,
"The following features cannot be disabled manually, because the version they first appeared in is no longer " +
"supported:\n${disabledFeaturesFromUnsupportedVersions.joinToString()}"
)
}
}
fun toLanguageVersionSettings(collector: MessageCollector): LanguageVersionSettings {
return toLanguageVersionSettings(collector, emptyMap())
}
fun toLanguageVersionSettings(
collector: MessageCollector,
additionalAnalysisFlags: Map, Any>
): LanguageVersionSettings {
val languageVersion = parseOrConfigureLanguageVersion(collector)
// If only "-language-version" is specified, API version is assumed to be equal to the language version
// (API version cannot be greater than the language version)
val apiVersion = ApiVersion.createByLanguageVersion(parseVersion(collector, apiVersion, "API") ?: languageVersion)
checkApiVersionIsNotGreaterThenLanguageVersion(languageVersion, apiVersion, collector)
val languageVersionSettings = LanguageVersionSettingsImpl(
languageVersion,
apiVersion,
configureAnalysisFlags(collector, languageVersion) + additionalAnalysisFlags,
configureLanguageFeatures(collector)
)
checkLanguageVersionIsStable(languageVersion, collector)
checkOutdatedVersions(languageVersion, apiVersion, collector)
checkProgressiveMode(languageVersion, collector)
checkIrSupport(languageVersionSettings, collector)
checkPlatformSpecificSettings(languageVersionSettings, collector)
checkExplicitApiAndExplicitReturnTypesAtTheSameTime(collector)
return languageVersionSettings
}
private fun checkApiVersionIsNotGreaterThenLanguageVersion(
languageVersion: LanguageVersion,
apiVersion: ApiVersion,
collector: MessageCollector
) {
if (apiVersion > ApiVersion.createByLanguageVersion(languageVersion)) {
if (!suppressApiVersionGreaterThanLanguageVersionError) {
collector.report(
CompilerMessageSeverity.ERROR,
"-api-version (${apiVersion.versionString}) cannot be greater than -language-version (${languageVersion.versionString})"
)
}
} else if (suppressApiVersionGreaterThanLanguageVersionError) {
collector.report(WARNING, "Useless suppress -Xsuppress-api-version-greater-than-language-version-error")
}
}
fun checkLanguageVersionIsStable(languageVersion: LanguageVersion, collector: MessageCollector) {
if (!languageVersion.isStable && !suppressVersionWarnings) {
collector.report(
CompilerMessageSeverity.STRONG_WARNING,
"Language version ${languageVersion.versionString} is experimental, there are no backwards compatibility guarantees for " +
"new language and library features"
)
}
}
private fun checkOutdatedVersions(language: LanguageVersion, api: ApiVersion, collector: MessageCollector) {
val (version, supportedVersion, versionKind) = findOutdatedVersion(language, api) ?: return
when {
version.isUnsupported -> {
collector.report(
CompilerMessageSeverity.ERROR,
"${versionKind.text} version ${version.versionString} is no longer supported; " +
"please, use version ${supportedVersion!!.versionString} or greater."
)
}
version.isDeprecated && !suppressVersionWarnings -> {
collector.report(
CompilerMessageSeverity.STRONG_WARNING,
"${versionKind.text} version ${version.versionString} is deprecated " +
"and its support will be removed in a future version of Kotlin"
)
}
}
}
private fun findOutdatedVersion(
language: LanguageVersion,
api: ApiVersion
): Triple? {
return when {
language.isUnsupported -> Triple(language, LanguageVersion.FIRST_SUPPORTED, VersionKind.LANGUAGE)
api.isUnsupported -> Triple(api, ApiVersion.FIRST_SUPPORTED, VersionKind.API)
language.isDeprecated -> Triple(language, null, VersionKind.LANGUAGE)
api.isDeprecated -> Triple(api, null, VersionKind.API)
else -> null
}
}
private fun checkProgressiveMode(languageVersion: LanguageVersion, collector: MessageCollector) {
if (progressiveMode && languageVersion < LanguageVersion.LATEST_STABLE && !suppressVersionWarnings) {
collector.report(
CompilerMessageSeverity.STRONG_WARNING,
"'-progressive' is meaningful only for the latest language version (${LanguageVersion.LATEST_STABLE}), " +
"while this build uses $languageVersion\n" +
"Compiler behavior in such mode is undefined; please, consider moving to the latest stable version " +
"or turning off progressive mode."
)
}
}
protected open fun defaultLanguageVersion(collector: MessageCollector): LanguageVersion =
LanguageVersion.LATEST_STABLE
protected open fun checkPlatformSpecificSettings(languageVersionSettings: LanguageVersionSettings, collector: MessageCollector) {
}
protected open fun checkIrSupport(languageVersionSettings: LanguageVersionSettings, collector: MessageCollector) {
// backend-specific
}
private fun checkExplicitApiAndExplicitReturnTypesAtTheSameTime(collector: MessageCollector) {
if (explicitApi == ExplicitApiMode.DISABLED.state || explicitReturnTypes == ExplicitApiMode.DISABLED.state) return
if (explicitApi != explicitReturnTypes) {
collector.report(
CompilerMessageSeverity.ERROR,
"""
'-Xexplicit-api' and '-XXexplicit-return-types' flags cannot have different values at the same time.
Consider use only one of those flags
Passed:
'-Xexplicit-api=${explicitApi}'
'-XXexplicit-return-types=${explicitReturnTypes}'
""".trimIndent()
)
}
}
private enum class VersionKind(val text: String) {
LANGUAGE("Language"), API("API")
}
private fun parseOrConfigureLanguageVersion(collector: MessageCollector): LanguageVersion {
if (useK2) {
collector.report(
CompilerMessageSeverity.ERROR,
"Compiler flag -Xuse-k2 is no more supported. " +
"Compiler versions 2.0+ use K2 by default, unless the language version is set to 1.9 or earlier"
)
}
// If only "-api-version" is specified, language version is assumed to be the latest stable
return parseVersion(collector, languageVersion, "language") ?: defaultLanguageVersion(collector)
}
private fun parseVersion(collector: MessageCollector, value: String?, versionOf: String): LanguageVersion? =
if (value == null) null
else LanguageVersion.fromVersionString(value)
?: run {
val versionStrings = LanguageVersion.entries.filterNot(LanguageVersion::isUnsupported).map(LanguageVersion::description)
val message = "Unknown $versionOf version: $value\nSupported $versionOf versions: ${versionStrings.joinToString(", ")}"
collector.report(CompilerMessageSeverity.ERROR, message, null)
null
}
// Used only for serialize and deserialize settings. Don't use in other places!
class DummyImpl : CommonCompilerArguments() {
override fun copyOf(): Freezable = copyCommonCompilerArguments(this, DummyImpl())
}
}