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[FIR] Support of ACTUAL_FUNCTION_WITH_DEFAULT_ARGUMENTS diagnostic

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^KT-56522 Fixed
This commit is contained in:
Ivan Kochurkin
2023-02-11 22:10:02 +01:00
committed by Space Team
parent f1fef62f76
commit c418a7a7bf
7 changed files with 51 additions and 96 deletions
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compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirActualDeclarationChecker.kt
+45 -30
View File
@@ -22,38 +22,53 @@ object FirActualDeclarationChecker : FirBasicDeclarationChecker() {
if (declaration !is FirMemberDeclaration || !declaration.isActual) return
if (declaration is FirCallableDeclaration) {
val actualFunctionSymbol = declaration.symbol
val expectFunctionSymbol = actualFunctionSymbol.getSingleCompatibleExpectForActualOrNull() as? FirCallableSymbol ?: return
if (declaration is FirFunction) {
checkActualFunctionWithDefaultArguments(declaration, reporter, context)
}
checkReturnTypes(declaration, context, reporter)
}
}
val expectTypeParameters = expectFunctionSymbol.getContainingClassSymbol(expectFunctionSymbol.moduleData.session)
?.typeParameterSymbols.orEmpty()
val actualClassTypeParameters = actualFunctionSymbol.getContainingClassSymbol(context.session)?.typeParameterSymbols.orEmpty()
val parentSubstitutor =
createExpectActualTypeParameterSubstitutor(expectTypeParameters, actualClassTypeParameters, context.session)
val substitutor = createExpectActualTypeParameterSubstitutor(
expectFunctionSymbol.typeParameterSymbols,
actualFunctionSymbol.typeParameterSymbols,
context.session,
parentSubstitutor
)
if (!areCompatibleExpectActualTypes(
substitutor.substituteOrSelf(expectFunctionSymbol.resolvedReturnType.type),
actualFunctionSymbol.resolvedReturnType.type,
expectFunctionSymbol.moduleData.session,
context.session
)
) {
@Suppress("UNCHECKED_CAST")
reporter.reportOn(
declaration.source,
FirErrors.ACTUAL_WITHOUT_EXPECT,
actualFunctionSymbol,
actualFunctionSymbol.expectForActual as Map<ExpectActualCompatibility.Incompatible<FirBasedSymbol<*>>, Collection<FirBasedSymbol<*>>>,
context
)
private fun checkActualFunctionWithDefaultArguments(function: FirFunction, reporter: DiagnosticReporter, context: CheckerContext) {
for (valueParameter in function.valueParameters) {
if (valueParameter.defaultValue != null) {
reporter.reportOn(valueParameter.source, FirErrors.ACTUAL_FUNCTION_WITH_DEFAULT_ARGUMENTS, context)
}
}
}
private fun checkReturnTypes(callableDeclaration: FirCallableDeclaration, context: CheckerContext, reporter: DiagnosticReporter) {
val actualFunctionSymbol = callableDeclaration.symbol
val expectFunctionSymbol = actualFunctionSymbol.getSingleCompatibleExpectForActualOrNull() as? FirCallableSymbol ?: return
val expectTypeParameters = expectFunctionSymbol.getContainingClassSymbol(expectFunctionSymbol.moduleData.session)
?.typeParameterSymbols.orEmpty()
val actualClassTypeParameters = actualFunctionSymbol.getContainingClassSymbol(context.session)?.typeParameterSymbols.orEmpty()
val parentSubstitutor =
createExpectActualTypeParameterSubstitutor(expectTypeParameters, actualClassTypeParameters, context.session)
val substitutor = createExpectActualTypeParameterSubstitutor(
expectFunctionSymbol.typeParameterSymbols,
actualFunctionSymbol.typeParameterSymbols,
context.session,
parentSubstitutor
)
if (!areCompatibleExpectActualTypes(
substitutor.substituteOrSelf(expectFunctionSymbol.resolvedReturnType.type),
actualFunctionSymbol.resolvedReturnType.type,
expectFunctionSymbol.moduleData.session,
context.session
)
) {
@Suppress("UNCHECKED_CAST")
reporter.reportOn(
callableDeclaration.source,
FirErrors.ACTUAL_WITHOUT_EXPECT,
actualFunctionSymbol,
actualFunctionSymbol.expectForActual as Map<ExpectActualCompatibility.Incompatible<FirBasedSymbol<*>>, Collection<FirBasedSymbol<*>>>,
context
)
}
}
}