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/*
* Copyright 2020 Google LLC
* Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.devtools.ksp.symbol.impl.java
import com.google.devtools.ksp.KSObjectCache
import com.google.devtools.ksp.memoized
import com.google.devtools.ksp.processing.impl.KSNameImpl
import com.google.devtools.ksp.processing.impl.ResolverImpl
import com.google.devtools.ksp.symbol.*
import com.google.devtools.ksp.symbol.impl.*
import com.google.devtools.ksp.symbol.impl.kotlin.KSExpectActualNoImpl
import com.google.devtools.ksp.toKSModifiers
import com.intellij.lang.jvm.JvmModifier
import com.intellij.psi.PsiJavaFile
import com.intellij.psi.PsiMethod
import org.jetbrains.kotlin.descriptors.FunctionDescriptor
class KSFunctionDeclarationJavaImpl private constructor(val psi: PsiMethod) :
KSFunctionDeclaration,
KSDeclarationJavaImpl(psi),
KSExpectActual by KSExpectActualNoImpl() {
companion object : KSObjectCache<PsiMethod, KSFunctionDeclarationJavaImpl>() {
fun getCached(psi: PsiMethod) = cache.getOrPut(psi) { KSFunctionDeclarationJavaImpl(psi) }
}
override val origin = Origin.JAVA
override val location: Location by lazy {
psi.toLocation()
}
override val annotations: Sequence<KSAnnotation> by lazy {
psi.annotations.asSequence().map { KSAnnotationJavaImpl.getCached(it) }.memoized()
}
override val containingFile: KSFile? by lazy {
KSFileJavaImpl.getCached(psi.containingFile as PsiJavaFile)
}
override fun findOverridee(): KSDeclaration? {
val descriptor = ResolverImpl.instance!!.resolveFunctionDeclaration(this)
return (descriptor as? FunctionDescriptor)?.findClosestOverridee()?.toKSDeclaration()
}
override val declarations: Sequence<KSDeclaration> = emptySequence()
override val extensionReceiver: KSTypeReference? = null
override val functionKind: FunctionKind = when {
psi.hasModifier(JvmModifier.STATIC) -> FunctionKind.STATIC
else -> FunctionKind.MEMBER
}
override val isAbstract: Boolean by lazy {
this.modifiers.contains(Modifier.ABSTRACT) ||
(
(this.parentDeclaration as? KSClassDeclaration)?.classKind == ClassKind.INTERFACE &&
!this.modifiers.contains(Modifier.JAVA_DEFAULT) && functionKind != FunctionKind.STATIC
)
}
override val modifiers: Set<Modifier> by lazy {
psi.toKSModifiers()
}
override val parameters: List<KSValueParameter> by lazy {
psi.parameterList.parameters.map { KSValueParameterJavaImpl.getCached(it) }
}
override val parentDeclaration: KSDeclaration? by lazy {
psi.findParentDeclaration()
}
override val qualifiedName: KSName by lazy {
KSNameImpl.getCached("${parentDeclaration?.qualifiedName?.asString()}.${this.simpleName.asString()}")
}
override val returnType: KSTypeReference? by lazy {
when {
psi.returnType != null -> {
KSTypeReferenceJavaImpl.getCached(psi.returnType!!, this)
}
psi.isConstructor -> {
KSTypeReferenceLiteJavaImpl.getCached(psi, this)
}
else -> {
null
}
}
}
override val simpleName: KSName by lazy {
if (psi.isConstructor) {
KSNameImpl.getCached("<init>")
} else {
KSNameImpl.getCached(psi.name)
}
}
override val typeParameters: List<KSTypeParameter> by lazy {
psi.typeParameters.map { KSTypeParameterJavaImpl.getCached(it) }
}
override fun <D, R> accept(visitor: KSVisitor<D, R>, data: D): R {
return visitor.visitFunctionDeclaration(this, data)
}
override fun asMemberOf(containing: KSType): KSFunction =
ResolverImpl.instance!!.asMemberOf(this, containing)
}
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