[light classes] move lightClassUtils to light-classes-base module
^KT-53097
This commit is contained in:
Dmitry Gridin
@@ -0,0 +1,198 @@
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/*
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* Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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package org.jetbrains.kotlin.asJava
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import com.intellij.lang.jvm.JvmModifier
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import com.intellij.psi.*
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import com.intellij.psi.search.GlobalSearchScope
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import org.jetbrains.kotlin.asJava.classes.KtFakeLightClass
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import org.jetbrains.kotlin.asJava.classes.KtLightClass
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import org.jetbrains.kotlin.asJava.classes.KtLightClassForFacade
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import org.jetbrains.kotlin.asJava.elements.*
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import org.jetbrains.kotlin.builtins.jvm.JavaToKotlinClassMap
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import org.jetbrains.kotlin.lexer.KtTokens
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import org.jetbrains.kotlin.load.java.JvmAbi
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import org.jetbrains.kotlin.load.java.propertyNameByGetMethodName
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import org.jetbrains.kotlin.load.java.propertyNameBySetMethodName
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import org.jetbrains.kotlin.load.java.propertyNamesBySetMethodName
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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.containingClassOrObject
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import org.jetbrains.kotlin.psi.psiUtil.getNonStrictParentOfType
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import org.jetbrains.kotlin.psi.psiUtil.isPrivate
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import org.jetbrains.kotlin.psi.psiUtil.isTopLevelKtOrJavaMember
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/**
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* Can be null in scripts and for elements from non-jvm modules.
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*/
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fun KtClassOrObject.toLightClass(): KtLightClass? = KotlinAsJavaSupport.getInstance(project).getLightClass(this)
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fun KtClassOrObject.toLightClassWithBuiltinMapping(): PsiClass? {
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toLightClass()?.let { return it }
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val fqName = fqName ?: return null
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val javaClassFqName = JavaToKotlinClassMap.mapKotlinToJava(fqName.toUnsafe())?.asSingleFqName() ?: return null
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val searchScope = useScope as? GlobalSearchScope ?: return null
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return JavaPsiFacade.getInstance(project).findClass(javaClassFqName.asString(), searchScope)
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}
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fun KtClassOrObject.toFakeLightClass(): KtFakeLightClass = KotlinAsJavaSupport.getInstance(project).getFakeLightClass(this)
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fun KtFile.findFacadeClass(): KtLightClass? = KotlinAsJavaSupport.getInstance(project)
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.getFacadeClassesInPackage(packageFqName, this.useScope as? GlobalSearchScope ?: GlobalSearchScope.projectScope(project))
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.firstOrNull { it is KtLightClassForFacade && this in it.files } as? KtLightClass
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fun KtScript.toLightClass(): KtLightClass? = KotlinAsJavaSupport.getInstance(project).getLightClassForScript(this)
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// Returns original declaration if given PsiElement is a Kotlin light element, and element itself otherwise
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val PsiElement.unwrapped: PsiElement?
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get() = when (this) {
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is PsiElementWithOrigin<*> -> origin
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is KtLightElement<*, *> -> kotlinOrigin
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is KtLightElementBase -> kotlinOrigin
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else -> this
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}
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val PsiElement.namedUnwrappedElement: PsiNamedElement?
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get() = unwrapped?.getNonStrictParentOfType()
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val KtClassOrObject.hasInterfaceDefaultImpls: Boolean
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get() = this is KtClass && isInterface() && hasNonAbstractMembers(this)
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private fun hasNonAbstractMembers(ktInterface: KtClass): Boolean = ktInterface.declarations.any(::isNonAbstractMember)
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val KtClassOrObject.hasRepeatableAnnotationContainer: Boolean
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get() = this is KtClass &&
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isAnnotation() &&
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run {
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var hasRepeatableAnnotation = false
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for (annotation in annotationEntries) when (annotation.shortName?.asString()) {
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"JvmRepeatable" -> return false
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"Repeatable" -> {
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if (annotation.valueArgumentList != null) return false
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hasRepeatableAnnotation = true
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}
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}
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return hasRepeatableAnnotation
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}
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private fun isNonAbstractMember(member: KtDeclaration?): Boolean =
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(member is KtNamedFunction && member.hasBody()) ||
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(member is KtProperty && (member.hasDelegateExpressionOrInitializer() || member.getter?.hasBody() ?: false || member.setter?.hasBody() ?: false))
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private val DEFAULT_IMPLS_CLASS_NAME = Name.identifier(JvmAbi.DEFAULT_IMPLS_CLASS_NAME)
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fun FqName.defaultImplsChild() = child(DEFAULT_IMPLS_CLASS_NAME)
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private val REPEATABLE_ANNOTATION_CONTAINER_NAME = Name.identifier(JvmAbi.REPEATABLE_ANNOTATION_CONTAINER_NAME)
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fun FqName.repeatableAnnotationContainerChild() = child(REPEATABLE_ANNOTATION_CONTAINER_NAME)
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fun propertyNameByAccessor(name: String, accessor: KtLightMethod): String? {
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val toRename = accessor.kotlinOrigin ?: return null
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if (toRename !is KtProperty && toRename !is KtParameter) return null
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val methodName = Name.guessByFirstCharacter(name)
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val propertyName = toRename.name ?: ""
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return when {
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JvmAbi.isGetterName(name) -> propertyNameByGetMethodName(methodName)
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JvmAbi.isSetterName(name) -> propertyNameBySetMethodName(methodName, propertyName.startsWith("is"))
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else -> methodName
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}?.asString()
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}
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fun accessorNameByPropertyName(name: String, accessor: KtLightMethod): String? = accessor.name.let { methodName ->
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when {
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JvmAbi.isGetterName(methodName) -> JvmAbi.getterName(name)
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JvmAbi.isSetterName(methodName) -> JvmAbi.setterName(name)
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else -> null
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}
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}
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fun getAccessorNamesCandidatesByPropertyName(name: String): List<String> {
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return listOf(JvmAbi.setterName(name), JvmAbi.getterName(name))
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}
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fun fastCheckIsNullabilityApplied(lightElement: KtLightElement<*, PsiModifierListOwner>): Boolean {
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val elementIsApplicable = lightElement is KtLightMember<*> || lightElement is LightParameter
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if (!elementIsApplicable) return false
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val annotatedElement = lightElement.kotlinOrigin ?: return true
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// all data-class generated members are not-null
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if (annotatedElement is KtClass && annotatedElement.isData()) return true
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// backing fields for lateinit props are skipped
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if (lightElement is KtLightField && annotatedElement is KtProperty && annotatedElement.hasModifier(KtTokens.LATEINIT_KEYWORD)) return false
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if (lightElement is KtLightMethod && (annotatedElement as? KtModifierListOwner)?.isPrivate() == true) {
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return false
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}
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if (annotatedElement is KtParameter) {
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val containingClassOrObject = annotatedElement.containingClassOrObject
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if (containingClassOrObject?.isAnnotation() == true) return false
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if ((containingClassOrObject as? KtClass)?.isEnum() == true) {
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if (annotatedElement.parent.parent is KtPrimaryConstructor) return false
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}
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when (val parent = annotatedElement.parent.parent) {
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is KtConstructor<*> -> if (lightElement is KtLightParameter && parent.isPrivate()) return false
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is KtNamedFunction -> return !parent.isPrivate()
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is KtPropertyAccessor -> return (parent.parent as? KtProperty)?.isPrivate() != true
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}
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}
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return true
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}
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private val PsiMethod.canBeGetter: Boolean
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get() = JvmAbi.isGetterName(name) && parameters.isEmpty() && returnTypeElement?.textMatches("void") != true
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private val PsiMethod.canBeSetter: Boolean
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get() = JvmAbi.isSetterName(name) && parameters.size == 1 && returnTypeElement?.textMatches("void") != false
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private val PsiMethod.probablyCanHaveSyntheticAccessors: Boolean
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get() = canHaveOverride && !hasTypeParameters() && !isFinalProperty
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private val PsiMethod.getterName: Name? get() = propertyNameByGetMethodName(Name.identifier(name))
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private val PsiMethod.setterNames: Collection<Name>? get() = propertyNamesBySetMethodName(Name.identifier(name)).takeIf { it.isNotEmpty() }
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private val PsiMethod.isFinalProperty: Boolean
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get() {
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val property = unwrapped as? KtProperty ?: return false
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if (property.hasModifier(KtTokens.OVERRIDE_KEYWORD)) return false
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val containingClassOrObject = property.containingClassOrObject ?: return true
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return containingClassOrObject is KtObjectDeclaration
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}
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private val PsiMethod.isTopLevelDeclaration: Boolean get() = unwrapped?.isTopLevelKtOrJavaMember() == true
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val PsiMethod.syntheticAccessors: Collection<Name>
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get() {
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if (!probablyCanHaveSyntheticAccessors) return emptyList()
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return when {
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canBeGetter -> listOfNotNull(getterName)
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canBeSetter -> setterNames.orEmpty()
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else -> emptyList()
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}
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}
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val PsiMethod.canHaveSyntheticAccessors: Boolean get() = probablyCanHaveSyntheticAccessors && (canBeGetter || canBeSetter)
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val PsiMethod.canHaveSyntheticGetter: Boolean get() = probablyCanHaveSyntheticAccessors && canBeGetter
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val PsiMethod.canHaveSyntheticSetter: Boolean get() = probablyCanHaveSyntheticAccessors && canBeSetter
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val PsiMethod.syntheticGetter: Name? get() = if (canHaveSyntheticGetter) getterName else null
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val PsiMethod.syntheticSetters: Collection<Name>? get() = if (canHaveSyntheticSetter) setterNames else null
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/**
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* Attention: only language constructs are checked. For example: static member, constructor, top-level property
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* @return `false` if constraints are found. Otherwise, `true`
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*/
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val PsiMethod.canHaveOverride: Boolean get() = !hasModifier(JvmModifier.STATIC) && !isConstructor && !isTopLevelDeclaration
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@@ -5,23 +5,10 @@
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package org.jetbrains.kotlin.asJava
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import com.intellij.lang.jvm.JvmModifier
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import com.intellij.psi.*
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import com.intellij.psi.search.GlobalSearchScope
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import org.jetbrains.kotlin.asJava.classes.KtFakeLightClass
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import org.jetbrains.kotlin.asJava.classes.KtLightClass
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import org.jetbrains.kotlin.asJava.classes.KtLightClassForFacade
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import org.jetbrains.kotlin.asJava.classes.runReadAction
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import org.jetbrains.kotlin.asJava.elements.*
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import org.jetbrains.kotlin.builtins.jvm.JavaToKotlinClassMap
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import org.jetbrains.kotlin.codegen.state.KotlinTypeMapper
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import org.jetbrains.kotlin.lexer.KtTokens
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import org.jetbrains.kotlin.load.java.JvmAbi
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import org.jetbrains.kotlin.load.java.propertyNameByGetMethodName
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import org.jetbrains.kotlin.load.java.propertyNameBySetMethodName
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import org.jetbrains.kotlin.load.java.propertyNamesBySetMethodName
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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.*
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import org.jetbrains.kotlin.resolve.DelegatingBindingTrace
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@@ -29,28 +16,6 @@ import org.jetbrains.kotlin.resolve.constants.ArrayValue
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import org.jetbrains.kotlin.resolve.constants.ConstantValue
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import org.jetbrains.kotlin.types.TypeUtils
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/**
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* Can be null in scripts and for elements from non-jvm modules.
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*/
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fun KtClassOrObject.toLightClass(): KtLightClass? = KotlinAsJavaSupport.getInstance(project).getLightClass(this)
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fun KtClassOrObject.toLightClassWithBuiltinMapping(): PsiClass? {
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toLightClass()?.let { return it }
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val fqName = fqName ?: return null
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val javaClassFqName = JavaToKotlinClassMap.mapKotlinToJava(fqName.toUnsafe())?.asSingleFqName() ?: return null
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val searchScope = useScope as? GlobalSearchScope ?: return null
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return JavaPsiFacade.getInstance(project).findClass(javaClassFqName.asString(), searchScope)
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}
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fun KtClassOrObject.toFakeLightClass(): KtFakeLightClass = KotlinAsJavaSupport.getInstance(project).getFakeLightClass(this)
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fun KtFile.findFacadeClass(): KtLightClass? = KotlinAsJavaSupport.getInstance(project)
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.getFacadeClassesInPackage(packageFqName, this.useScope as? GlobalSearchScope ?: GlobalSearchScope.projectScope(project))
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.firstOrNull { it is KtLightClassForFacade && this in it.files } as? KtLightClass
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fun KtScript.toLightClass(): KtLightClass? = KotlinAsJavaSupport.getInstance(project).getLightClassForScript(this)
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fun KtElement.toLightElements(): List<PsiNamedElement> = when (this) {
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is KtClassOrObject -> listOfNotNull(toLightClass())
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is KtNamedFunction,
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@@ -128,50 +93,6 @@ fun KtTypeParameter.toPsiTypeParameters(): List<PsiTypeParameter> {
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}
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}
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// Returns original declaration if given PsiElement is a Kotlin light element, and element itself otherwise
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val PsiElement.unwrapped: PsiElement?
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get() = when (this) {
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is PsiElementWithOrigin<*> -> origin
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is KtLightElement<*, *> -> kotlinOrigin
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is KtLightElementBase -> kotlinOrigin
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else -> this
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}
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val PsiElement.namedUnwrappedElement: PsiNamedElement?
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get() = unwrapped?.getNonStrictParentOfType()
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val KtClassOrObject.hasInterfaceDefaultImpls: Boolean
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get() = this is KtClass && isInterface() && hasNonAbstractMembers(this)
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val KtClassOrObject.hasRepeatableAnnotationContainer: Boolean
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get() = this is KtClass &&
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isAnnotation() &&
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run {
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var hasRepeatableAnnotation = false
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for (annotation in annotationEntries) when (annotation.shortName?.asString()) {
|
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"JvmRepeatable" -> return false
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"Repeatable" -> {
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if (annotation.valueArgumentList != null) return false
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hasRepeatableAnnotation = true
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}
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}
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return hasRepeatableAnnotation
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}
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private fun hasNonAbstractMembers(ktInterface: KtClass): Boolean = ktInterface.declarations.any(::isNonAbstractMember)
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private fun isNonAbstractMember(member: KtDeclaration?): Boolean =
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(member is KtNamedFunction && member.hasBody()) ||
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(member is KtProperty && (member.hasDelegateExpressionOrInitializer() || member.getter?.hasBody() ?: false || member.setter?.hasBody() ?: false))
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private val DEFAULT_IMPLS_CLASS_NAME = Name.identifier(JvmAbi.DEFAULT_IMPLS_CLASS_NAME)
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fun FqName.defaultImplsChild() = child(DEFAULT_IMPLS_CLASS_NAME)
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private val REPEATABLE_ANNOTATION_CONTAINER_NAME = Name.identifier(JvmAbi.REPEATABLE_ANNOTATION_CONTAINER_NAME)
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fun FqName.repeatableAnnotationContainerChild() = child(REPEATABLE_ANNOTATION_CONTAINER_NAME)
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@Suppress("unused")
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fun KtElement.toLightAnnotation(): PsiAnnotation? {
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val ktDeclaration = getStrictParentOfType<KtModifierList>()?.parent as? KtDeclaration ?: return null
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@@ -197,70 +118,12 @@ private fun PsiAnnotation.withNestedAnnotations(): Sequence<PsiAnnotation> {
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return sequenceOf(this) + parameterList.attributes.asSequence().flatMap { handleValue(it.value) }
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}
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fun propertyNameByAccessor(name: String, accessor: KtLightMethod): String? {
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val toRename = accessor.kotlinOrigin ?: return null
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if (toRename !is KtProperty && toRename !is KtParameter) return null
|
||||
|
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val methodName = Name.guessByFirstCharacter(name)
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||||
val propertyName = toRename.name ?: ""
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||||
return when {
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JvmAbi.isGetterName(name) -> propertyNameByGetMethodName(methodName)
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JvmAbi.isSetterName(name) -> propertyNameBySetMethodName(methodName, propertyName.startsWith("is"))
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else -> methodName
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}?.asString()
|
||||
}
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||||
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fun accessorNameByPropertyName(name: String, accessor: KtLightMethod): String? = accessor.name.let { methodName ->
|
||||
when {
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||||
JvmAbi.isGetterName(methodName) -> JvmAbi.getterName(name)
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||||
JvmAbi.isSetterName(methodName) -> JvmAbi.setterName(name)
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||||
else -> null
|
||||
}
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||||
}
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||||
|
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fun getAccessorNamesCandidatesByPropertyName(name: String): List<String> {
|
||||
return listOf(JvmAbi.setterName(name), JvmAbi.getterName(name))
|
||||
}
|
||||
|
||||
fun KtLightMethod.checkIsMangled(): Boolean {
|
||||
val demangledName = KotlinTypeMapper.InternalNameMapper.demangleInternalName(name) ?: return false
|
||||
val originalName = propertyNameByAccessor(demangledName, this) ?: demangledName
|
||||
return originalName == kotlinOrigin?.name
|
||||
}
|
||||
|
||||
fun fastCheckIsNullabilityApplied(lightElement: KtLightElement<*, PsiModifierListOwner>): Boolean {
|
||||
val elementIsApplicable = lightElement is KtLightMember<*> || lightElement is LightParameter
|
||||
if (!elementIsApplicable) return false
|
||||
|
||||
val annotatedElement = lightElement.kotlinOrigin ?: return true
|
||||
|
||||
// all data-class generated members are not-null
|
||||
if (annotatedElement is KtClass && annotatedElement.isData()) return true
|
||||
|
||||
// backing fields for lateinit props are skipped
|
||||
if (lightElement is KtLightField && annotatedElement is KtProperty && annotatedElement.hasModifier(KtTokens.LATEINIT_KEYWORD)) return false
|
||||
|
||||
if (lightElement is KtLightMethod && (annotatedElement as? KtModifierListOwner)?.isPrivate() == true) {
|
||||
return false
|
||||
}
|
||||
|
||||
if (annotatedElement is KtParameter) {
|
||||
val containingClassOrObject = annotatedElement.containingClassOrObject
|
||||
if (containingClassOrObject?.isAnnotation() == true) return false
|
||||
if ((containingClassOrObject as? KtClass)?.isEnum() == true) {
|
||||
if (annotatedElement.parent.parent is KtPrimaryConstructor) return false
|
||||
}
|
||||
|
||||
when (val parent = annotatedElement.parent.parent) {
|
||||
is KtConstructor<*> -> if (lightElement is KtLightParameter && parent.isPrivate()) return false
|
||||
is KtNamedFunction -> return !parent.isPrivate()
|
||||
is KtPropertyAccessor -> return (parent.parent as? KtProperty)?.isPrivate() != true
|
||||
}
|
||||
}
|
||||
|
||||
return true
|
||||
}
|
||||
|
||||
fun computeExpression(expression: PsiElement): Any? {
|
||||
fun evalConstantValue(constantValue: ConstantValue<*>): Any? =
|
||||
if (constantValue is ArrayValue) {
|
||||
@@ -286,52 +149,3 @@ fun computeExpression(expression: PsiElement): Any? {
|
||||
if (constant.isError) return null
|
||||
return evalConstantValue(constant.toConstantValue(TypeUtils.NO_EXPECTED_TYPE))
|
||||
}
|
||||
|
||||
private val PsiMethod.canBeGetter: Boolean
|
||||
get() = JvmAbi.isGetterName(name) && parameters.isEmpty() && returnTypeElement?.textMatches("void") != true
|
||||
|
||||
private val PsiMethod.canBeSetter: Boolean
|
||||
get() = JvmAbi.isSetterName(name) && parameters.size == 1 && returnTypeElement?.textMatches("void") != false
|
||||
|
||||
private val PsiMethod.probablyCanHaveSyntheticAccessors: Boolean
|
||||
get() = canHaveOverride && !hasTypeParameters() && !isFinalProperty
|
||||
|
||||
private val PsiMethod.getterName: Name? get() = propertyNameByGetMethodName(Name.identifier(name))
|
||||
private val PsiMethod.setterNames: Collection<Name>? get() = propertyNamesBySetMethodName(Name.identifier(name)).takeIf { it.isNotEmpty() }
|
||||
|
||||
private val PsiMethod.isFinalProperty: Boolean
|
||||
get() {
|
||||
val property = unwrapped as? KtProperty ?: return false
|
||||
if (property.hasModifier(KtTokens.OVERRIDE_KEYWORD)) return false
|
||||
val containingClassOrObject = property.containingClassOrObject ?: return true
|
||||
return containingClassOrObject is KtObjectDeclaration
|
||||
}
|
||||
|
||||
private val PsiMethod.isTopLevelDeclaration: Boolean get() = unwrapped?.isTopLevelKtOrJavaMember() == true
|
||||
|
||||
val PsiMethod.syntheticAccessors: Collection<Name>
|
||||
get() {
|
||||
if (!probablyCanHaveSyntheticAccessors) return emptyList()
|
||||
|
||||
return when {
|
||||
canBeGetter -> listOfNotNull(getterName)
|
||||
canBeSetter -> setterNames.orEmpty()
|
||||
else -> emptyList()
|
||||
}
|
||||
}
|
||||
|
||||
val PsiMethod.canHaveSyntheticAccessors: Boolean get() = probablyCanHaveSyntheticAccessors && (canBeGetter || canBeSetter)
|
||||
|
||||
val PsiMethod.canHaveSyntheticGetter: Boolean get() = probablyCanHaveSyntheticAccessors && canBeGetter
|
||||
|
||||
val PsiMethod.canHaveSyntheticSetter: Boolean get() = probablyCanHaveSyntheticAccessors && canBeSetter
|
||||
|
||||
val PsiMethod.syntheticGetter: Name? get() = if (canHaveSyntheticGetter) getterName else null
|
||||
|
||||
val PsiMethod.syntheticSetters: Collection<Name>? get() = if (canHaveSyntheticSetter) setterNames else null
|
||||
|
||||
/**
|
||||
* Attention: only language constructs are checked. For example: static member, constructor, top-level property
|
||||
* @return `false` if constraints are found. Otherwise, `true`
|
||||
*/
|
||||
val PsiMethod.canHaveOverride: Boolean get() = !hasModifier(JvmModifier.STATIC) && !isConstructor && !isTopLevelDeclaration
|
||||
|
||||
Reference in New Issue
Block a user