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Minor. Green code.

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This commit is contained in:
Evgeny Gerashchenko
2015-12-17 13:06:27 +03:00
parent 7a1d789e9a
commit 2e6d82a72b
1 changed files with 5 additions and 12 deletions
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idea/src/org/jetbrains/kotlin/idea/inspections/UnusedReceiverParameterInspection.kt
+5 -12
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@@ -19,9 +19,7 @@ package org.jetbrains.kotlin.idea.inspections
import com.intellij.codeInspection.*
import com.intellij.openapi.project.Project
import com.intellij.psi.PsiElementVisitor
import org.jetbrains.kotlin.descriptors.ClassDescriptor
import org.jetbrains.kotlin.descriptors.ReceiverParameterDescriptor
import org.jetbrains.kotlin.descriptors.SimpleFunctionDescriptor
import org.jetbrains.kotlin.idea.KotlinBundle
import org.jetbrains.kotlin.idea.caches.resolve.analyze
import org.jetbrains.kotlin.idea.search.usagesSearch.descriptor
@@ -30,23 +28,18 @@ import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.psi.*
import org.jetbrains.kotlin.psi.psiUtil.isOverridable
import org.jetbrains.kotlin.psi.typeRefHelpers.setReceiverTypeReference
import org.jetbrains.kotlin.resolve.BindingContext
import org.jetbrains.kotlin.resolve.calls.callUtil.getResolvedCall
import org.jetbrains.kotlin.resolve.scopes.receivers.ExpressionReceiver
import org.jetbrains.kotlin.resolve.scopes.receivers.ExtensionReceiver
import org.jetbrains.kotlin.resolve.scopes.receivers.ReceiverValue
import org.jetbrains.kotlin.resolve.scopes.receivers.ImplicitReceiver
import kotlin.properties.Delegates
public class UnusedReceiverParameterInspection : AbstractKotlinInspection() {
override fun buildVisitor(holder: ProblemsHolder, isOnTheFly: Boolean, session: LocalInspectionToolSession): PsiElementVisitor {
return object : KtVisitorVoid() {
private fun check(callableDeclaration: KtCallableDeclaration) {
val receiverTypeReference = callableDeclaration.getReceiverTypeReference()
val receiverTypeReference = callableDeclaration.receiverTypeReference
if (receiverTypeReference == null || receiverTypeReference.textRange.isEmpty) return
if (callableDeclaration.isOverridable() || callableDeclaration.hasModifier(KtTokens.OVERRIDE_KEYWORD)) return
if (callableDeclaration is KtProperty && callableDeclaration.getAccessors().isEmpty()) return
if (callableDeclaration is KtProperty && callableDeclaration.accessors.isEmpty()) return
if (callableDeclaration is KtNamedFunction && !callableDeclaration.hasBody()) return
val callable = callableDeclaration.descriptor
@@ -60,11 +53,11 @@ public class UnusedReceiverParameterInspection : AbstractKotlinInspection() {
val bindingContext = element.analyze()
val resolvedCall = element.getResolvedCall(bindingContext) ?: return
if (resolvedCall.getDispatchReceiver().getThisReceiverOwner(bindingContext) == callable ||
if (resolvedCall.dispatchReceiver.getThisReceiverOwner(bindingContext) == callable ||
(resolvedCall.extensionReceiver as ReceiverValue?).getThisReceiverOwner(bindingContext) == callable) {
used = true
}
else if ((resolvedCall.getCandidateDescriptor() as? ReceiverParameterDescriptor)?.getContainingDeclaration() == callable) {
else if ((resolvedCall.candidateDescriptor as? ReceiverParameterDescriptor)?.containingDeclaration == callable) {
used = true
}
}
@@ -99,6 +92,6 @@ public class UnusedReceiverParameterInspection : AbstractKotlinInspection() {
declaration.setReceiverTypeReference(null)
}
override fun getFamilyName(): String = getName()
override fun getFamilyName(): String = name
}
}