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FIR: introduce MANY_*_MEMBER_NOT_IMPLEMENTED diagnostic

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This commit is contained in:
Mikhail Glukhikh
2021-03-22 12:58:58 +03:00
parent 9f27362ee1
commit 566dc434cc
19 changed files with 73 additions and 83 deletions
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compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirNotImplementedOverrideChecker.kt
+47 -5
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@@ -16,11 +16,21 @@ import org.jetbrains.kotlin.fir.analysis.checkers.getContainingClass
import org.jetbrains.kotlin.fir.analysis.checkers.modality
import org.jetbrains.kotlin.fir.analysis.checkers.unsubstitutedScope
import org.jetbrains.kotlin.fir.analysis.diagnostics.DiagnosticReporter
import org.jetbrains.kotlin.fir.analysis.diagnostics.FirErrors
import org.jetbrains.kotlin.fir.analysis.diagnostics.FirErrors.ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED
import org.jetbrains.kotlin.fir.analysis.diagnostics.FirErrors.ABSTRACT_MEMBER_NOT_IMPLEMENTED
import org.jetbrains.kotlin.fir.analysis.diagnostics.FirErrors.INVISIBLE_ABSTRACT_MEMBER_FROM_SUPER
import org.jetbrains.kotlin.fir.analysis.diagnostics.FirErrors.INVISIBLE_ABSTRACT_MEMBER_FROM_SUPER_WARNING
import org.jetbrains.kotlin.fir.analysis.diagnostics.FirErrors.MANY_IMPL_MEMBER_NOT_IMPLEMENTED
import org.jetbrains.kotlin.fir.analysis.diagnostics.FirErrors.MANY_INTERFACES_MEMBER_NOT_IMPLEMENTED
import org.jetbrains.kotlin.fir.analysis.diagnostics.reportOn
import org.jetbrains.kotlin.fir.containingClass
import org.jetbrains.kotlin.fir.declarations.*
import org.jetbrains.kotlin.fir.languageVersionSettings
import org.jetbrains.kotlin.fir.resolve.toSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirCallableSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirIntersectionCallableSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirIntersectionOverrideFunctionSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirIntersectionOverridePropertySymbol
import org.jetbrains.kotlin.fir.types.coneType
import org.jetbrains.kotlin.fir.types.isNullableAny
import org.jetbrains.kotlin.util.OperatorNameConventions
@@ -40,6 +50,7 @@ object FirNotImplementedOverrideChecker : FirClassChecker() {
val classScope = declaration.unsubstitutedScope(context)
val notImplementedSymbols = mutableListOf<FirCallableSymbol<*>>()
val notImplementedIntersectionSymbols = mutableListOf<FirCallableSymbol<*>>()
val invisibleSymbols = mutableListOf<FirCallableSymbol<*>>()
val classPackage = declaration.symbol.classId.packageFqName
@@ -64,6 +75,15 @@ object FirNotImplementedOverrideChecker : FirClassChecker() {
for (name in classScope.getCallableNames()) {
classScope.processFunctionsByName(name) { namedFunctionSymbol ->
val simpleFunction = namedFunctionSymbol.fir
if (namedFunctionSymbol is FirIntersectionOverrideFunctionSymbol) {
if (namedFunctionSymbol.intersections.count {
(it.fir as FirCallableMemberDeclaration).modality != Modality.ABSTRACT
} > 1 && simpleFunction.getContainingClass(context) === declaration
) {
notImplementedIntersectionSymbols += namedFunctionSymbol
return@processFunctionsByName
}
}
if (!simpleFunction.shouldBeImplemented()) return@processFunctionsByName
if (declaration is FirRegularClass && declaration.isData && simpleFunction.matchesDataClassSyntheticMemberSignatures) {
return@processFunctionsByName
@@ -79,6 +99,15 @@ object FirNotImplementedOverrideChecker : FirClassChecker() {
}
classScope.processPropertiesByName(name) { propertySymbol ->
val property = propertySymbol.fir as? FirProperty ?: return@processPropertiesByName
if (propertySymbol is FirIntersectionOverridePropertySymbol) {
if (propertySymbol.intersections.count {
(it.fir as FirCallableMemberDeclaration).modality != Modality.ABSTRACT
} > 1 && property.getContainingClass(context) === declaration
) {
notImplementedIntersectionSymbols += propertySymbol
return@processPropertiesByName
}
}
if (!property.shouldBeImplemented()) return@processPropertiesByName
if (property.isInvisible()) {
@@ -92,17 +121,30 @@ object FirNotImplementedOverrideChecker : FirClassChecker() {
if (notImplementedSymbols.isNotEmpty()) {
val notImplemented = notImplementedSymbols.first().fir
if (notImplemented.isFromInterfaceOrEnum(context)) {
reporter.reportOn(source, FirErrors.ABSTRACT_MEMBER_NOT_IMPLEMENTED, declaration, notImplemented, context)
reporter.reportOn(source, ABSTRACT_MEMBER_NOT_IMPLEMENTED, declaration, notImplemented, context)
} else {
reporter.reportOn(source, FirErrors.ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED, declaration, notImplemented, context)
reporter.reportOn(source, ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED, declaration, notImplemented, context)
}
}
if (invisibleSymbols.isNotEmpty()) {
val invisible = invisibleSymbols.first().fir
if (context.session.languageVersionSettings.supportsFeature(LanguageFeature.ProhibitInvisibleAbstractMethodsInSuperclasses)) {
reporter.reportOn(source, FirErrors.INVISIBLE_ABSTRACT_MEMBER_FROM_SUPER, declaration, invisible, context)
reporter.reportOn(source, INVISIBLE_ABSTRACT_MEMBER_FROM_SUPER, declaration, invisible, context)
} else {
reporter.reportOn(source, FirErrors.INVISIBLE_ABSTRACT_MEMBER_FROM_SUPER_WARNING, declaration, invisible, context)
reporter.reportOn(source, INVISIBLE_ABSTRACT_MEMBER_FROM_SUPER_WARNING, declaration, invisible, context)
}
}
if (notImplementedIntersectionSymbols.isNotEmpty()) {
val notImplementedIntersectionSymbol = notImplementedIntersectionSymbols.first()
val notImplementedIntersection = notImplementedIntersectionSymbol.fir
val intersections = (notImplementedIntersectionSymbol as FirIntersectionCallableSymbol).intersections
if (intersections.any {
(it.containingClass()?.toSymbol(context.session)?.fir as? FirRegularClass)?.classKind == ClassKind.CLASS
}
) {
reporter.reportOn(source, MANY_IMPL_MEMBER_NOT_IMPLEMENTED, declaration, notImplementedIntersection, context)
} else {
reporter.reportOn(source, MANY_INTERFACES_MEMBER_NOT_IMPLEMENTED, declaration, notImplementedIntersection, context)
}
}
}