[NI] Don't apply SAM-conversion for type that is subtype of function

Plus, don't get synthetic candidates as all candidates are creating
 by conversion

 #KT-31503 Fixed
This commit is contained in:
Mikhail Zarechenskiy
2019-05-24 17:23:02 +03:00
parent ceaa64dfb1
commit fe5976d7f4
9 changed files with 76 additions and 13 deletions
@@ -12383,6 +12383,11 @@ public class FirDiagnosticsSmokeTestGenerated extends AbstractFirDiagnosticsSmok
runTest("compiler/testData/diagnostics/tests/j+k/sam/privateCandidatesWithWrongArguments.kt");
}
@TestMetadata("recursiveSamsAndInvoke.kt")
public void testRecursiveSamsAndInvoke() throws Exception {
runTest("compiler/testData/diagnostics/tests/j+k/sam/recursiveSamsAndInvoke.kt");
}
@TestMetadata("samOnTypeParameter.kt")
public void testSamOnTypeParameter() throws Exception {
runTest("compiler/testData/diagnostics/tests/j+k/sam/samOnTypeParameter.kt");
@@ -60,8 +60,7 @@ class SamAdapterFunctionsScope(
private val deprecationResolver: DeprecationResolver,
private val lookupTracker: LookupTracker
) : SyntheticScope.Default() {
private val samViaSyntheticScopeDisabled = languageVersionSettings.supportsFeature(LanguageFeature.NewInference) &&
languageVersionSettings.supportsFeature(LanguageFeature.SamConversionForKotlinFunctions)
private val samViaSyntheticScopeDisabled = languageVersionSettings.supportsFeature(LanguageFeature.NewInference)
private val extensionForFunction =
storageManager.createMemoizedFunctionWithNullableValues<FunctionDescriptor, FunctionDescriptor> { function ->
@@ -5,9 +5,8 @@
package org.jetbrains.kotlin.resolve.calls.components
import org.jetbrains.kotlin.builtins.functions.FunctionClassDescriptor
import org.jetbrains.kotlin.builtins.getFunctionalClassKind
import org.jetbrains.kotlin.builtins.getReceiverTypeFromFunctionType
import org.jetbrains.kotlin.builtins.isFunctionType
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.descriptors.impl.TypeAliasConstructorDescriptor
import org.jetbrains.kotlin.resolve.calls.components.TypeArgumentsToParametersMapper.TypeArgumentsMapping.NoExplicitArguments
@@ -27,7 +26,6 @@ import org.jetbrains.kotlin.resolve.calls.tower.VisibilityError
import org.jetbrains.kotlin.types.ErrorUtils
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.types.UnwrappedType
import org.jetbrains.kotlin.types.checker.anySuperTypeConstructor
import org.jetbrains.kotlin.types.typeUtil.contains
import org.jetbrains.kotlin.utils.addToStdlib.safeAs
@@ -300,7 +298,7 @@ private fun KotlinResolutionCandidate.getExpectedTypeWithSAMConversion(
if (!callComponents.samConversionTransformer.shouldRunSamConversionForFunction(resolvedCall.candidateDescriptor)) return null
val argumentIsFunctional = when (argument) {
is SimpleKotlinCallArgument -> argument.receiver.stableType.isSubtypeOfFunctionType()
is SimpleKotlinCallArgument -> argument.receiver.stableType.isFunctionType
is LambdaKotlinCallArgument, is CallableReferenceKotlinCallArgument -> true
else -> false
}
@@ -324,10 +322,6 @@ private fun KotlinResolutionCandidate.getExpectedTypeWithSAMConversion(
return convertedTypeByCandidate
}
private fun UnwrappedType.isSubtypeOfFunctionType() = anySuperTypeConstructor {
it.declarationDescriptor?.getFunctionalClassKind() == FunctionClassDescriptor.Kind.Function
}
internal object CheckReceivers : ResolutionPart() {
private fun KotlinResolutionCandidate.checkReceiver(
receiverArgument: SimpleKotlinCallArgument?,
@@ -16,14 +16,14 @@ fun <T> bar(s: T) {}
fun <T> complex(t: T, f: (T) -> Unit) {}
fun test1() {
foo(1, A::invokeLater) // KT-24507 SAM conversion accidentally applied to callable reference and incorrectly handled via BE
foo(1, <!NI;TYPE_MISMATCH!>A::invokeLater<!>) // KT-24507 SAM conversion accidentally applied to callable reference and incorrectly handled via BE
foo(1, ::bar)
complex(1, ::bar)
}
fun <R> test2(x: R) {
foo(x, A::invokeLater) // KT-24507 SAM conversion accidentally applied to callable reference and incorrectly handled via BE
foo(x, <!NI;TYPE_MISMATCH!>A::invokeLater<!>) // KT-24507 SAM conversion accidentally applied to callable reference and incorrectly handled via BE
foo(x, ::bar)
complex(x, ::bar)
@@ -0,0 +1,28 @@
// FILE: MyFuture.java
public interface MyFuture<V> {
MyFuture<V> addListener(MyListener<? extends MyFuture<? super V>> listener);
}
// FILE: MyListener.java
public interface MyListener<F extends MyFuture<?>> {
void operationComplete(F future) throws Exception;
}
// FILE: test.kt
typealias Handler = (cause: Throwable?) -> Unit
fun <T> MyFuture<T>.setup() {
addListener(ListenerImpl<T, MyFuture<T>>())
addListener { }
}
class ListenerImpl<T, F : MyFuture<T>> : MyListener<F>, Handler {
override fun operationComplete(future: F) {
}
override fun invoke(cause: Throwable?) {
}
}
@@ -0,0 +1,27 @@
package
public fun </*0*/ T> MyFuture<T>.setup(): kotlin.Unit
public final class ListenerImpl</*0*/ T, /*1*/ F : MyFuture<T>> : MyListener<F>, Handler /* = (cause: kotlin.Throwable?) -> kotlin.Unit */ {
public constructor ListenerImpl</*0*/ T, /*1*/ F : MyFuture<T>>()
public open override /*2*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*2*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ fun invoke(/*0*/ cause: kotlin.Throwable?): kotlin.Unit
public open override /*1*/ fun operationComplete(/*0*/ future: F): kotlin.Unit
public open override /*2*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface MyFuture</*0*/ V : kotlin.Any!> {
public abstract fun addListener(/*0*/ listener: MyListener<out MyFuture<in V!>!>!): MyFuture<V!>!
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface MyListener</*0*/ F : MyFuture<*>!> {
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public abstract fun operationComplete(/*0*/ future: F!): kotlin.Unit
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public typealias Handler = (cause: kotlin.Throwable?) -> kotlin.Unit
@@ -21,7 +21,7 @@ class B : A() {
}
if (d.x is B) {
<!SMARTCAST_IMPOSSIBLE!>d.x<!>.<!NI;INVISIBLE_MEMBER!>foo<!> {}
<!OI;SMARTCAST_IMPOSSIBLE!>d.x<!>.<!NI;INVISIBLE_MEMBER!>foo<!> {}
}
}
}
@@ -12390,6 +12390,11 @@ public class DiagnosticsTestGenerated extends AbstractDiagnosticsTest {
runTest("compiler/testData/diagnostics/tests/j+k/sam/privateCandidatesWithWrongArguments.kt");
}
@TestMetadata("recursiveSamsAndInvoke.kt")
public void testRecursiveSamsAndInvoke() throws Exception {
runTest("compiler/testData/diagnostics/tests/j+k/sam/recursiveSamsAndInvoke.kt");
}
@TestMetadata("samOnTypeParameter.kt")
public void testSamOnTypeParameter() throws Exception {
runTest("compiler/testData/diagnostics/tests/j+k/sam/samOnTypeParameter.kt");
@@ -12385,6 +12385,11 @@ public class DiagnosticsUsingJavacTestGenerated extends AbstractDiagnosticsUsing
runTest("compiler/testData/diagnostics/tests/j+k/sam/privateCandidatesWithWrongArguments.kt");
}
@TestMetadata("recursiveSamsAndInvoke.kt")
public void testRecursiveSamsAndInvoke() throws Exception {
runTest("compiler/testData/diagnostics/tests/j+k/sam/recursiveSamsAndInvoke.kt");
}
@TestMetadata("samOnTypeParameter.kt")
public void testSamOnTypeParameter() throws Exception {
runTest("compiler/testData/diagnostics/tests/j+k/sam/samOnTypeParameter.kt");