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More correct and simple code

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This commit is contained in:
Valentin Kipyatkov
2014-11-28 15:50:54 +03:00
parent 79cfa1f84e
commit a60f32b919
1 changed files with 7 additions and 9 deletions
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idea/ide-common/src/org/jetbrains/jet/plugin/util/extensionsUtils.kt
+7 -9
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@@ -30,7 +30,6 @@ import org.jetbrains.jet.lang.descriptors.TypeParameterDescriptor
import org.jetbrains.jet.lang.types.Variance
import org.jetbrains.jet.lang.resolve.calls.inference.ConstraintPosition
import org.jetbrains.jet.lang.resolve.calls.inference.ConstraintsUtil
import org.jetbrains.jet.lang.resolve.name.Name
import org.jetbrains.jet.utils.addIfNotNull
import java.util.HashSet
import org.jetbrains.jet.lang.descriptors.ReceiverParameterDescriptor
@@ -66,14 +65,14 @@ private fun checkReceiverResolution(
receiverParameter: ReceiverParameterDescriptor,
typeParameters: List<TypeParameterDescriptor>
): Boolean {
val typeNamesInReceiver = HashSet<Name>()
typeNamesInReceiver.addUsedTypeNames(receiverParameter.getType())
val typeNamesInReceiver = HashSet<TypeParameterDescriptor>()
typeNamesInReceiver.addUsedTypeParameters(receiverParameter.getType())
val constraintSystem = ConstraintSystemImpl()
val typeVariables = LinkedHashMap<TypeParameterDescriptor, Variance>()
for (typeParameter in typeParameters) {
if (typeNamesInReceiver.contains(typeParameter.getName())) {
typeVariables.put(typeParameter, Variance.INVARIANT)
if (typeNamesInReceiver.contains(typeParameter)) {
typeVariables[typeParameter] = Variance.INVARIANT
}
}
constraintSystem.registerTypeVariables(typeVariables)
@@ -82,12 +81,11 @@ private fun checkReceiverResolution(
return constraintSystem.getStatus().isSuccessful() && ConstraintsUtil.checkBoundsAreSatisfied(constraintSystem, true)
}
private fun MutableSet<Name>.addUsedTypeNames(jetType: JetType) {
val descriptor = jetType.getConstructor().getDeclarationDescriptor()
addIfNotNull(descriptor?.getName())
private fun MutableSet<TypeParameterDescriptor>.addUsedTypeParameters(jetType: JetType) {
addIfNotNull(jetType.getConstructor().getDeclarationDescriptor() as? TypeParameterDescriptor)
for (argument in jetType.getArguments()) {
addUsedTypeNames(argument.getType())
addUsedTypeParameters(argument.getType())
}
}