173: Uast: removing kotlinInternalUastUtils.kt.173
no sense to keep difference
This commit is contained in:
Nicolay Mitropolsky
-218
@@ -1,218 +0,0 @@
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/*
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* Copyright 2010-2016 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.uast.kotlin
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import com.intellij.openapi.components.ServiceManager
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import com.intellij.openapi.diagnostic.Logger
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import com.intellij.openapi.util.Key
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import com.intellij.psi.PsiElement
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import com.intellij.psi.PsiFile
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import com.intellij.psi.PsiPrimitiveType
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import com.intellij.psi.PsiType
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import com.intellij.psi.impl.cache.TypeInfo
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import com.intellij.psi.impl.compiled.ClsTypeElementImpl
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import com.intellij.psi.impl.compiled.SignatureParsing
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import com.intellij.psi.impl.compiled.StubBuildingVisitor
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import com.intellij.psi.search.GlobalSearchScope
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import com.intellij.psi.util.PsiTypesUtil
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import org.jetbrains.kotlin.asJava.elements.FakeFileForLightClass
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import org.jetbrains.kotlin.asJava.toLightClass
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import org.jetbrains.kotlin.asJava.toLightElements
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import org.jetbrains.kotlin.builtins.isBuiltinFunctionalTypeOrSubtype
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import org.jetbrains.kotlin.codegen.signature.BothSignatureWriter
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import org.jetbrains.kotlin.config.LanguageFeature
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import org.jetbrains.kotlin.descriptors.ClassDescriptor
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import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
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import org.jetbrains.kotlin.descriptors.TypeAliasDescriptor
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import org.jetbrains.kotlin.idea.project.languageVersionSettings
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import org.jetbrains.kotlin.load.kotlin.TypeMappingMode
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import org.jetbrains.kotlin.psi.*
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import org.jetbrains.kotlin.resolve.BindingContext
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import org.jetbrains.kotlin.resolve.DescriptorToSourceUtils
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import org.jetbrains.kotlin.resolve.DescriptorUtils
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import org.jetbrains.kotlin.resolve.calls.callUtil.getResolvedCall
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import org.jetbrains.kotlin.resolve.constants.IntegerValueTypeConstructor
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import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameSafe
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import org.jetbrains.kotlin.types.KotlinType
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import org.jetbrains.kotlin.types.TypeApproximator
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import org.jetbrains.kotlin.types.TypeUtils
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import org.jetbrains.kotlin.types.isError
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import org.jetbrains.kotlin.types.typeUtil.isInterface
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import org.jetbrains.uast.*
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import java.lang.ref.WeakReference
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import java.text.StringCharacterIterator
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internal val KOTLIN_CACHED_UELEMENT_KEY = Key.create<WeakReference<UElement>>("cached-kotlin-uelement")
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@Suppress("NOTHING_TO_INLINE")
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internal inline fun String?.orAnonymous(kind: String = ""): String = this ?: "<anonymous" + (if (kind.isNotBlank()) " $kind" else "") + ">"
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internal fun DeclarationDescriptor.toSource(): PsiElement? {
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return try {
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DescriptorToSourceUtils.getEffectiveReferencedDescriptors(this)
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.asSequence()
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.mapNotNull { DescriptorToSourceUtils.getSourceFromDescriptor(it) }
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.firstOrNull()
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}
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catch (e: Exception) {
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Logger.getInstance("DeclarationDescriptor.toSource").error(e)
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null
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}
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}
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internal fun <T> lz(initializer: () -> T) = lazy(LazyThreadSafetyMode.NONE, initializer)
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internal fun KotlinType.toPsiType(source: UElement, element: KtElement, boxed: Boolean): PsiType {
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if (this.isError) return UastErrorType
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(constructor.declarationDescriptor as? TypeAliasDescriptor)?.let { typeAlias ->
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return typeAlias.expandedType.toPsiType(source, element, boxed)
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}
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if (arguments.isEmpty()) {
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val typeFqName = this.constructor.declarationDescriptor?.fqNameSafe?.asString()
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fun PsiPrimitiveType.orBoxed() = if (boxed) getBoxedType(element) else this
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val psiType = when (typeFqName) {
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"kotlin.Int" -> PsiType.INT.orBoxed()
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"kotlin.Long" -> PsiType.LONG.orBoxed()
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"kotlin.Short" -> PsiType.SHORT.orBoxed()
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"kotlin.Boolean" -> PsiType.BOOLEAN.orBoxed()
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"kotlin.Byte" -> PsiType.BYTE.orBoxed()
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"kotlin.Char" -> PsiType.CHAR.orBoxed()
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"kotlin.Double" -> PsiType.DOUBLE.orBoxed()
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"kotlin.Float" -> PsiType.FLOAT.orBoxed()
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"kotlin.String" -> PsiType.getJavaLangString(element.manager, GlobalSearchScope.projectScope(element.project))
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else -> {
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val typeConstructor = this.constructor
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if (typeConstructor is IntegerValueTypeConstructor) {
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TypeUtils.getDefaultPrimitiveNumberType(typeConstructor).toPsiType(source, element, boxed)
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} else {
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null
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}
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}
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}
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if (psiType != null) return psiType
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}
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if (this.containsLocalTypes()) return UastErrorType
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val project = element.project
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val typeMapper = ServiceManager.getService(project, KotlinUastBindingContextProviderService::class.java)
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.getTypeMapper(element) ?: return UastErrorType
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val signatureWriter = BothSignatureWriter(BothSignatureWriter.Mode.TYPE)
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val typeMappingMode = if (boxed) TypeMappingMode.GENERIC_ARGUMENT else TypeMappingMode.DEFAULT
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val approximatedType = TypeApproximator().approximateDeclarationType(this, true, element.languageVersionSettings)
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typeMapper.mapType(approximatedType, signatureWriter, typeMappingMode)
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val signature = StringCharacterIterator(signatureWriter.toString())
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val javaType = SignatureParsing.parseTypeString(signature, StubBuildingVisitor.GUESSING_MAPPER)
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val typeInfo = TypeInfo.fromString(javaType, false)
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val typeText = TypeInfo.createTypeText(typeInfo) ?: return UastErrorType
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return ClsTypeElementImpl(source.getParentOfType<UDeclaration>(false)?.psi ?: element, typeText, '\u0000').type
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}
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private fun KotlinType.containsLocalTypes(): Boolean {
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val typeDeclarationDescriptor = this.constructor.declarationDescriptor
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if (typeDeclarationDescriptor is ClassDescriptor && DescriptorUtils.isLocal(typeDeclarationDescriptor)) {
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return true
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}
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return arguments.any { !it.isStarProjection && it.type.containsLocalTypes() }
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}
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internal fun KtTypeReference?.toPsiType(source: UElement, boxed: Boolean = false): PsiType {
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if (this == null) return UastErrorType
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return (analyze()[BindingContext.TYPE, this] ?: return UastErrorType).toPsiType(source, this, boxed)
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}
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internal fun KtClassOrObject.toPsiType(): PsiType {
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val lightClass = toLightClass() ?: return UastErrorType
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return PsiTypesUtil.getClassType(lightClass)
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}
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internal fun PsiElement.getMaybeLightElement(context: UElement): PsiElement? {
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return when (this) {
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is KtVariableDeclaration -> {
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val lightElement = toLightElements().firstOrNull()
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if (lightElement != null) return lightElement
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val languagePlugin = context.getLanguagePlugin()
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val uElement = languagePlugin.convertElementWithParent(this, null)
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when (uElement) {
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is UDeclaration -> uElement.psi
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is UDeclarationsExpression -> uElement.declarations.firstOrNull()?.psi
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else -> null
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}
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}
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is KtDeclaration -> toLightElements().firstOrNull()
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is KtElement -> null
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else -> this
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}
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}
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internal fun KtElement.resolveCallToDeclaration(
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context: KotlinAbstractUElement,
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resultingDescriptor: DeclarationDescriptor? = null
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): PsiElement? {
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val descriptor = resultingDescriptor ?: run {
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val resolvedCall = getResolvedCall(analyze()) ?: return null
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resolvedCall.resultingDescriptor
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}
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return descriptor.toSource()?.getMaybeLightElement(context)
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}
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internal fun KtExpression.unwrapBlockOrParenthesis(): KtExpression {
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val innerExpression = KtPsiUtil.safeDeparenthesize(this)
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if (innerExpression is KtBlockExpression) {
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val statement = innerExpression.statements.singleOrNull() ?: return this
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return KtPsiUtil.safeDeparenthesize(statement)
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}
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return innerExpression
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}
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internal fun KtElement.analyze(): BindingContext {
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if(containingFile !is KtFile) return BindingContext.EMPTY // EA-114080, EA-113475
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return ServiceManager.getService(project, KotlinUastBindingContextProviderService::class.java)
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?.getBindingContext(this) ?: BindingContext.EMPTY
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}
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internal inline fun <reified T : UDeclaration, reified P : PsiElement> unwrap(element: P): P {
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val unwrapped = if (element is T) element.psi else element
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assert(unwrapped !is UElement)
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return unwrapped as P
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}
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internal fun KtExpression.getExpectedType(): KotlinType? = analyze()[BindingContext.EXPECTED_EXPRESSION_TYPE, this]
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internal fun KtTypeReference.getType(): KotlinType? = analyze()[BindingContext.TYPE, this]
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internal fun KotlinType.getFunctionalInterfaceType(source: UElement, element: KtElement): PsiType? =
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takeIf { it.isInterface() && !it.isBuiltinFunctionalTypeOrSubtype }?.toPsiType(source, element, false)
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internal fun KotlinULambdaExpression.getFunctionalInterfaceType(): PsiType? {
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val parent = psi.parent
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return when(parent) {
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is KtBinaryExpressionWithTypeRHS -> parent.right?.getType()?.getFunctionalInterfaceType(this, psi)
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else -> psi.getExpectedType()?.getFunctionalInterfaceType(this, psi)
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}
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}
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internal fun unwrapFakeFileForLightClass(file: PsiFile): PsiFile = (file as? FakeFileForLightClass)?.ktFile ?: file
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