182: KotlinElementActionsFactory.createAddAnnotationActions implementation (KT-22876)
This commit is contained in:
Nicolay Mitropolsky
committed by
Nikolay Krasko
Nikolay Krasko
parent
d5f26f2d8d
commit
41c30f06bb
+457
@@ -0,0 +1,457 @@
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/*
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* Copyright 2010-2017 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jetbrains.kotlin.idea.quickfix.crossLanguage
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import com.intellij.codeInsight.daemon.QuickFixBundle
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import com.intellij.codeInsight.intention.IntentionAction
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import com.intellij.codeInsight.intention.QuickFixFactory
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import com.intellij.lang.jvm.JvmClass
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import com.intellij.lang.jvm.JvmElement
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import com.intellij.lang.jvm.JvmModifier
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import com.intellij.lang.jvm.JvmModifiersOwner
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import com.intellij.lang.jvm.actions.*
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import com.intellij.openapi.editor.Editor
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import com.intellij.openapi.project.Project
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import com.intellij.openapi.util.text.StringUtilRt
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import com.intellij.psi.*
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import com.intellij.psi.codeStyle.SuggestedNameInfo
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import com.intellij.psi.impl.source.tree.java.PsiReferenceExpressionImpl
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import org.jetbrains.kotlin.asJava.classes.KtLightClassForFacade
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import org.jetbrains.kotlin.asJava.classes.KtLightClassForSourceDeclaration
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import org.jetbrains.kotlin.asJava.elements.KtLightElement
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import org.jetbrains.kotlin.asJava.toLightMethods
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import org.jetbrains.kotlin.asJava.unwrapped
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import org.jetbrains.kotlin.descriptors.ClassKind
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import org.jetbrains.kotlin.descriptors.Modality
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import org.jetbrains.kotlin.descriptors.SourceElement
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import org.jetbrains.kotlin.descriptors.TypeParameterDescriptor
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import org.jetbrains.kotlin.descriptors.impl.ClassDescriptorImpl
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import org.jetbrains.kotlin.descriptors.impl.MutablePackageFragmentDescriptor
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import org.jetbrains.kotlin.idea.KotlinLanguage
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import org.jetbrains.kotlin.idea.caches.resolve.getResolutionFacade
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import org.jetbrains.kotlin.idea.core.ShortenReferences
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import org.jetbrains.kotlin.idea.core.appendModifier
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import org.jetbrains.kotlin.idea.quickfix.AddModifierFix
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import org.jetbrains.kotlin.idea.quickfix.RemoveModifierFix
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import org.jetbrains.kotlin.idea.quickfix.createFromUsage.callableBuilder.*
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import org.jetbrains.kotlin.idea.quickfix.createFromUsage.createCallable.CreateCallableFromUsageFix
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import org.jetbrains.kotlin.idea.resolve.ResolutionFacade
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import org.jetbrains.kotlin.idea.util.approximateFlexibleTypes
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import org.jetbrains.kotlin.lexer.KtTokens
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import org.jetbrains.kotlin.load.java.components.TypeUsage
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import org.jetbrains.kotlin.load.java.lazy.JavaResolverComponents
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import org.jetbrains.kotlin.load.java.lazy.LazyJavaResolverContext
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import org.jetbrains.kotlin.load.java.lazy.TypeParameterResolver
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import org.jetbrains.kotlin.load.java.lazy.child
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import org.jetbrains.kotlin.load.java.lazy.descriptors.LazyJavaTypeParameterDescriptor
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import org.jetbrains.kotlin.load.java.lazy.types.JavaTypeAttributes
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import org.jetbrains.kotlin.load.java.lazy.types.JavaTypeResolver
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import org.jetbrains.kotlin.load.java.structure.JavaTypeParameter
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import org.jetbrains.kotlin.load.java.structure.impl.JavaTypeImpl
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import org.jetbrains.kotlin.load.java.structure.impl.JavaTypeParameterImpl
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import org.jetbrains.kotlin.name.FqName
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import org.jetbrains.kotlin.name.Name
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import org.jetbrains.kotlin.psi.*
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import org.jetbrains.kotlin.psi.psiUtil.createSmartPointer
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import org.jetbrains.kotlin.psi.psiUtil.visibilityModifierType
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import org.jetbrains.kotlin.resolve.annotations.JVM_FIELD_ANNOTATION_FQ_NAME
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import org.jetbrains.kotlin.resolve.annotations.JVM_STATIC_ANNOTATION_FQ_NAME
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import org.jetbrains.kotlin.types.KotlinType
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import org.jetbrains.kotlin.types.Variance
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import org.jetbrains.kotlin.types.typeUtil.supertypes
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class KotlinElementActionsFactory : JvmElementActionsFactory() {
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companion object {
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val javaPsiModifiersMapping = mapOf(
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JvmModifier.PRIVATE to KtTokens.PRIVATE_KEYWORD,
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JvmModifier.PUBLIC to KtTokens.PUBLIC_KEYWORD,
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JvmModifier.PROTECTED to KtTokens.PUBLIC_KEYWORD,
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JvmModifier.ABSTRACT to KtTokens.ABSTRACT_KEYWORD
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)
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}
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private class FakeExpressionFromParameter(private val psiParam: PsiParameter) : PsiReferenceExpressionImpl() {
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override fun getText(): String = psiParam.name!!
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override fun getProject(): Project = psiParam.project
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override fun getParent(): PsiElement = psiParam.parent
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override fun getType(): PsiType? = psiParam.type
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override fun isValid(): Boolean = true
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override fun getContainingFile(): PsiFile = psiParam.containingFile
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override fun getReferenceName(): String? = psiParam.name
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override fun resolve(): PsiElement? = psiParam
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}
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private class ModifierBuilder(
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private val targetContainer: KtElement,
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private val allowJvmStatic: Boolean = true
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) {
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private val psiFactory = KtPsiFactory(targetContainer.project)
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val modifierList = psiFactory.createEmptyModifierList()
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private fun JvmModifier.transformAndAppend(): Boolean {
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javaPsiModifiersMapping[this]?.let {
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modifierList.appendModifier(it)
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return true
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}
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when (this) {
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JvmModifier.STATIC -> {
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if (allowJvmStatic && targetContainer is KtClassOrObject) {
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addAnnotation(JVM_STATIC_ANNOTATION_FQ_NAME)
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}
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}
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JvmModifier.ABSTRACT -> modifierList.appendModifier(KtTokens.ABSTRACT_KEYWORD)
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JvmModifier.FINAL -> modifierList.appendModifier(KtTokens.FINAL_KEYWORD)
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else -> return false
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}
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return true
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}
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var isValid = true
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private set
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fun addJvmModifier(modifier: JvmModifier) {
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isValid = isValid && modifier.transformAndAppend()
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}
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fun addJvmModifiers(modifiers: Iterable<JvmModifier>) {
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modifiers.forEach { addJvmModifier(it) }
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}
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fun addAnnotation(fqName: FqName) {
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if (!isValid) return
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modifierList.add(psiFactory.createAnnotationEntry("@${fqName.asString()}"))
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}
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}
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class CreatePropertyFix(
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private val targetClass: JvmClass,
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contextElement: KtElement,
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propertyInfo: PropertyInfo
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) : CreateCallableFromUsageFix<KtElement>(contextElement, listOf(propertyInfo)) {
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override fun getFamilyName() = "Add property"
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override fun getText(): String {
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val info = callableInfos.first() as PropertyInfo
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return buildString {
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append("Add '")
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if (info.isLateinitPreferred) {
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append("lateinit ")
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}
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append(if (info.writable) "var" else "val")
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append("' property '${info.name}' to '${targetClass.name}'")
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}
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}
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}
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private fun JvmClass.toKtClassOrFile(): KtElement? {
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val psi = sourceElement
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return when (psi) {
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is KtClassOrObject -> psi
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is KtLightClassForSourceDeclaration -> psi.kotlinOrigin
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is KtLightClassForFacade -> psi.files.firstOrNull()
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else -> null
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}
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}
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private inline fun <reified T : KtElement> JvmElement.toKtElement() = sourceElement?.unwrapped as? T
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private fun fakeParametersExpressions(parameters: List<Pair<SuggestedNameInfo, List<ExpectedType>>>, project: Project): Array<PsiExpression>? =
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when {
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parameters.isEmpty() -> emptyArray()
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else -> JavaPsiFacade
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.getElementFactory(project)
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.createParameterList(
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parameters.map { it.first.names.firstOrNull() }.toTypedArray(),
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parameters.map { JvmPsiConversionHelper.getInstance(project).asPsiType(it) ?: return null }.toTypedArray()
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)
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.parameters
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.map(::FakeExpressionFromParameter)
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.toTypedArray()
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}
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private fun PsiType.collectTypeParameters(): List<PsiTypeParameter> {
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val results = ArrayList<PsiTypeParameter>()
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accept(
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object : PsiTypeVisitor<Unit>() {
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override fun visitArrayType(arrayType: PsiArrayType) {
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arrayType.componentType.accept(this)
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}
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override fun visitClassType(classType: PsiClassType) {
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(classType.resolve() as? PsiTypeParameter)?.let { results += it }
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classType.parameters.forEach { it.accept(this) }
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}
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override fun visitWildcardType(wildcardType: PsiWildcardType) {
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wildcardType.bound?.accept(this)
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}
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}
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)
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return results
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}
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private fun PsiType.resolveToKotlinType(resolutionFacade: ResolutionFacade): KotlinType? {
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val typeParameters = collectTypeParameters()
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val components = resolutionFacade.getFrontendService(JavaResolverComponents::class.java)
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val rootContext = LazyJavaResolverContext(components, TypeParameterResolver.EMPTY) { null }
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val dummyPackageDescriptor = MutablePackageFragmentDescriptor(resolutionFacade.moduleDescriptor, FqName("dummy"))
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val dummyClassDescriptor = ClassDescriptorImpl(
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dummyPackageDescriptor,
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Name.identifier("Dummy"),
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Modality.FINAL,
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ClassKind.CLASS,
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emptyList(),
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SourceElement.NO_SOURCE,
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false
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)
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val typeParameterResolver = object : TypeParameterResolver {
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override fun resolveTypeParameter(javaTypeParameter: JavaTypeParameter): TypeParameterDescriptor? {
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val psiTypeParameter = (javaTypeParameter as JavaTypeParameterImpl).psi
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val index = typeParameters.indexOf(psiTypeParameter)
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if (index < 0) return null
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return LazyJavaTypeParameterDescriptor(rootContext.child(this), javaTypeParameter, index, dummyClassDescriptor)
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}
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}
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val typeResolver = JavaTypeResolver(rootContext, typeParameterResolver)
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val attributes = JavaTypeAttributes(TypeUsage.COMMON)
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return typeResolver.transformJavaType(JavaTypeImpl.create(this), attributes).approximateFlexibleTypes(preferNotNull = true)
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}
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private fun ExpectedTypes.toKotlinTypeInfo(resolutionFacade: ResolutionFacade): TypeInfo {
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val candidateTypes = flatMapTo(LinkedHashSet<KotlinType>()) {
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val ktType = (it.theType as? PsiType)?.resolveToKotlinType(resolutionFacade) ?: return@flatMapTo emptyList()
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when (it.theKind) {
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ExpectedType.Kind.EXACT, ExpectedType.Kind.SUBTYPE -> listOf(ktType)
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ExpectedType.Kind.SUPERTYPE -> listOf(ktType) + ktType.supertypes()
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}
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}
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if (candidateTypes.isEmpty()) {
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val nullableAnyType = resolutionFacade.moduleDescriptor.builtIns.nullableAnyType
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return TypeInfo(nullableAnyType, Variance.INVARIANT)
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}
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return TypeInfo.ByExplicitCandidateTypes(candidateTypes.toList())
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}
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override fun createChangeModifierActions(target: JvmModifiersOwner, request: MemberRequest.Modifier): List<IntentionAction> {
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val kModifierOwner = target.toKtElement<KtModifierListOwner>() ?: return emptyList()
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val modifier = request.modifier
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val shouldPresent = request.shouldPresent
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//TODO: make similar to `createAddMethodActions`
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val (kToken, shouldPresentMapped) = when {
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modifier == JvmModifier.FINAL -> KtTokens.OPEN_KEYWORD to !shouldPresent
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modifier == JvmModifier.PUBLIC && shouldPresent ->
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kModifierOwner.visibilityModifierType()
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?.takeIf { it != KtTokens.DEFAULT_VISIBILITY_KEYWORD }
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?.let { it to false } ?: return emptyList()
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else -> javaPsiModifiersMapping[modifier] to shouldPresent
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}
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if (kToken == null) return emptyList()
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val action = if (shouldPresentMapped)
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AddModifierFix.createIfApplicable(kModifierOwner, kToken)
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else
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RemoveModifierFix(kModifierOwner, kToken, false)
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return listOfNotNull(action)
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}
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override fun createAddConstructorActions(targetClass: JvmClass, request: CreateConstructorRequest): List<IntentionAction> {
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val targetKtClass = targetClass.toKtClassOrFile() as? KtClass ?: return emptyList()
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val modifierBuilder = ModifierBuilder(targetKtClass).apply { addJvmModifiers(request.modifiers) }
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if (!modifierBuilder.isValid) return emptyList()
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val resolutionFacade = targetKtClass.getResolutionFacade()
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val nullableAnyType = resolutionFacade.moduleDescriptor.builtIns.nullableAnyType
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val helper = JvmPsiConversionHelper.getInstance(targetKtClass.project)
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val parameters = request.parameters as List<Pair<SuggestedNameInfo, List<ExpectedType>>>
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val parameterInfos = parameters.mapIndexed { index, param: Pair<SuggestedNameInfo, List<ExpectedType>> ->
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val ktType = helper.asPsiType(param)?.resolveToKotlinType(resolutionFacade) ?: nullableAnyType
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val name = param.first.names.firstOrNull() ?: "arg${index + 1}"
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ParameterInfo(TypeInfo(ktType, Variance.IN_VARIANCE), listOf(name))
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}
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val needPrimary = !targetKtClass.hasExplicitPrimaryConstructor()
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val constructorInfo = ConstructorInfo(
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parameterInfos,
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targetKtClass,
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isPrimary = needPrimary,
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modifierList = modifierBuilder.modifierList,
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withBody = true
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)
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val addConstructorAction = object : CreateCallableFromUsageFix<KtElement>(targetKtClass, listOf(constructorInfo)) {
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override fun getFamilyName() = "Add method"
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override fun getText() = "Add ${if (needPrimary) "primary" else "secondary"} constructor to '${targetClass.name}'"
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}
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val changePrimaryConstructorAction = run {
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val primaryConstructor = targetKtClass.primaryConstructor ?: return@run null
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val lightMethod = primaryConstructor.toLightMethods().firstOrNull() ?: return@run null
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val project = targetKtClass.project
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val fakeParametersExpressions = fakeParametersExpressions(parameters, project) ?: return@run null
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QuickFixFactory.getInstance()
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.createChangeMethodSignatureFromUsageFix(
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lightMethod,
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fakeParametersExpressions,
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PsiSubstitutor.EMPTY,
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targetKtClass,
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false,
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2
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).takeIf { it.isAvailable(project, null, targetKtClass.containingFile) }
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}
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return listOfNotNull(changePrimaryConstructorAction, addConstructorAction)
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}
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override fun createAddPropertyActions(targetClass: JvmClass, request: MemberRequest.Property): List<IntentionAction> {
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val targetContainer = targetClass.toKtClassOrFile() ?: return emptyList()
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val modifierBuilder = ModifierBuilder(targetContainer).apply { addJvmModifier(request.visibilityModifier) }
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if (!modifierBuilder.isValid) return emptyList()
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val resolutionFacade = targetContainer.getResolutionFacade()
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val nullableAnyType = resolutionFacade.moduleDescriptor.builtIns.nullableAnyType
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val ktType = (request.propertyType as? PsiType)?.resolveToKotlinType(resolutionFacade) ?: nullableAnyType
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val propertyInfo = PropertyInfo(
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request.propertyName,
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TypeInfo.Empty,
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TypeInfo(ktType, Variance.INVARIANT),
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request.setterRequired,
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listOf(targetContainer),
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modifierList = modifierBuilder.modifierList,
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withInitializer = true
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)
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val propertyInfos = if (request.setterRequired) {
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listOf(propertyInfo, propertyInfo.copyProperty(isLateinitPreferred = true))
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}
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else {
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listOf(propertyInfo)
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}
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return propertyInfos.map { CreatePropertyFix(targetClass, targetContainer, it) }
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}
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override fun createAddFieldActions(targetClass: JvmClass, request: CreateFieldRequest): List<IntentionAction> {
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val targetContainer = targetClass.toKtClassOrFile() ?: return emptyList()
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val modifierBuilder = ModifierBuilder(targetContainer, allowJvmStatic = false).apply {
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addJvmModifiers(request.modifiers)
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addAnnotation(JVM_FIELD_ANNOTATION_FQ_NAME)
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}
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if (!modifierBuilder.isValid) return emptyList()
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val resolutionFacade = targetContainer.getResolutionFacade()
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val typeInfo = request.fieldType.toKotlinTypeInfo(resolutionFacade)
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val writable = JvmModifier.FINAL !in request.modifiers
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val propertyInfo = PropertyInfo(
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request.fieldName,
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TypeInfo.Empty,
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typeInfo,
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writable,
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listOf(targetContainer),
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isForCompanion = JvmModifier.STATIC in request.modifiers,
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modifierList = modifierBuilder.modifierList,
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withInitializer = true
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)
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val propertyInfos = if (writable) {
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listOf(propertyInfo, propertyInfo.copyProperty(isLateinitPreferred = true))
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}
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else {
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listOf(propertyInfo)
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}
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return propertyInfos.map { CreatePropertyFix(targetClass, targetContainer, it) }
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}
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override fun createAddMethodActions(targetClass: JvmClass, request: CreateMethodRequest): List<IntentionAction> {
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val targetContainer = targetClass.toKtClassOrFile() ?: return emptyList()
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val modifierBuilder = ModifierBuilder(targetContainer).apply { addJvmModifiers(request.modifiers) }
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if (!modifierBuilder.isValid) return emptyList()
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val resolutionFacade = targetContainer.getResolutionFacade()
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val returnTypeInfo = request.returnType.toKotlinTypeInfo(resolutionFacade)
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val parameters = request.parameters as List<Pair<SuggestedNameInfo, List<ExpectedType>>>
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val parameterInfos = parameters.map { (suggestedNames, expectedTypes) ->
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ParameterInfo(expectedTypes.toKotlinTypeInfo(resolutionFacade), suggestedNames.names.toList())
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}
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val functionInfo = FunctionInfo(
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request.methodName,
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TypeInfo.Empty,
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returnTypeInfo,
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listOf(targetContainer),
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parameterInfos,
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isForCompanion = JvmModifier.STATIC in request.modifiers,
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modifierList = modifierBuilder.modifierList,
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preferEmptyBody = true
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)
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val action = object : CreateCallableFromUsageFix<KtElement>(targetContainer, listOf(functionInfo)) {
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override fun getFamilyName() = "Add method"
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override fun getText() = "Add method '${request.methodName}' to '${targetClass.name}'"
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}
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return listOf(action)
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}
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override fun createAddAnnotationActions(target: JvmModifiersOwner, request: AnnotationRequest): List<IntentionAction> {
|
||||
val declaration = (target as? KtLightElement<*, *>)?.kotlinOrigin as? KtModifierListOwner ?: return emptyList()
|
||||
if (declaration.language != KotlinLanguage.INSTANCE) return emptyList()
|
||||
return listOf(CreateAnnotationAction(declaration, request))
|
||||
}
|
||||
|
||||
private class CreateAnnotationAction(
|
||||
target: KtModifierListOwner,
|
||||
val request: AnnotationRequest
|
||||
) : IntentionAction {
|
||||
|
||||
private val pointer = target.createSmartPointer()
|
||||
|
||||
override fun startInWriteAction(): Boolean = true
|
||||
|
||||
override fun getText(): String =
|
||||
QuickFixBundle.message("create.annotation.text", StringUtilRt.getShortName(request.qualifiedName))
|
||||
|
||||
override fun getFamilyName(): String = QuickFixBundle.message("create.annotation.family")
|
||||
|
||||
override fun isAvailable(project: Project, editor: Editor?, file: PsiFile?): Boolean = pointer.element != null
|
||||
|
||||
|
||||
override fun invoke(project: Project, editor: Editor?, file: PsiFile?) {
|
||||
val target = pointer.element ?: return
|
||||
val entry = target.addAnnotationEntry(
|
||||
KtPsiFactory(target)
|
||||
.createAnnotationEntry(
|
||||
"@${request.qualifiedName}${
|
||||
request.attributes.joinToString(", ", "(", ")") { p ->
|
||||
"${p.name} = ${renderAttributeValue(p.value)}"
|
||||
}
|
||||
}"
|
||||
)
|
||||
)
|
||||
|
||||
ShortenReferences.DEFAULT.process(entry)
|
||||
}
|
||||
|
||||
private fun renderAttributeValue(annotationAttributeRequest: AnnotationAttributeValueRequest) =
|
||||
when (annotationAttributeRequest) {
|
||||
is AnnotationAttributeValueRequest.PrimitiveValue -> annotationAttributeRequest.value
|
||||
is AnnotationAttributeValueRequest.StringValue -> "\"" + annotationAttributeRequest.value + "\""
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
private fun JvmPsiConversionHelper.asPsiType(param: Pair<SuggestedNameInfo, List<ExpectedType>>): PsiType? =
|
||||
param.second.firstOrNull()?.theType?.let { convertType(it) }
|
||||
Reference in New Issue
Block a user