org.jetbrains.kotlin.asJava.elements.KtLightMemberImpl.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2017 JetBrains s.r.o.
*
* 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 org.jetbrains.kotlin.asJava.elements
import com.intellij.openapi.util.UserDataHolder
import com.intellij.psi.*
import com.intellij.psi.impl.compiled.ClsRepositoryPsiElement
import org.jetbrains.kotlin.asJava.builder.ClsWrapperStubPsiFactory.ORIGIN
import org.jetbrains.kotlin.asJava.builder.LightElementOrigin
import org.jetbrains.kotlin.asJava.builder.LightMemberOrigin
import org.jetbrains.kotlin.asJava.builder.LightMemberOriginForDeclaration
import org.jetbrains.kotlin.asJava.classes.KtLightClass
import org.jetbrains.kotlin.asJava.classes.KtLightClassForSourceDeclaration
import org.jetbrains.kotlin.asJava.classes.isPossiblyAffectedByAllOpen
import org.jetbrains.kotlin.asJava.classes.lazyPub
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.psi.KtDeclaration
import org.jetbrains.kotlin.psi.KtNamedDeclaration
import org.jetbrains.kotlin.psi.psiUtil.hasBody
abstract class KtLightMemberImpl(
computeRealDelegate: () -> D,
override val lightMemberOrigin: LightMemberOrigin?,
private val containingClass: KtLightClass,
private val dummyDelegate: D?
) : KtLightElementBase(containingClass), PsiMember, KtLightMember {
override val clsDelegate by lazyPub(computeRealDelegate)
private val lightIdentifier by lazyPub { KtLightIdentifier(this, kotlinOrigin as? KtNamedDeclaration) }
private val _modifierList by lazyPub {
if (lightMemberOrigin is LightMemberOriginForDeclaration)
KtLightMemberModifierList(this, dummyDelegate?.modifierList)
else clsDelegate.modifierList!!
}
override fun hasModifierProperty(name: String) = _modifierList.hasModifierProperty(name)
override fun getModifierList(): PsiModifierList = _modifierList
override fun toString(): String = "${this::class.java.simpleName}:$name"
override fun getContainingClass() = containingClass
override fun getName(): String = dummyDelegate?.name ?: clsDelegate.name!!
override fun getNameIdentifier(): PsiIdentifier = lightIdentifier
override val kotlinOrigin: KtDeclaration? get() = lightMemberOrigin?.originalElement
override fun getDocComment() = (clsDelegate as PsiDocCommentOwner).docComment
override fun isDeprecated() = (clsDelegate as PsiDocCommentOwner).isDeprecated
override fun isEquivalentTo(another: PsiElement?): Boolean {
val isEquivalentByOrigin =
another is KtLightMember<*> &&
lightMemberOrigin?.isEquivalentTo(another.lightMemberOrigin) == true
return isEquivalentByOrigin || this == another
}
}
internal fun getMemberOrigin(member: PsiMember): LightMemberOriginForDeclaration? {
if (member !is ClsRepositoryPsiElement<*>) return null
val stubElement = member.stub as? UserDataHolder ?: return null
return stubElement.getUserData(ORIGIN) as? LightMemberOriginForDeclaration ?: return null
}
private val visibilityModifiers = arrayOf(PsiModifier.PRIVATE, PsiModifier.PACKAGE_LOCAL, PsiModifier.PROTECTED, PsiModifier.PUBLIC)
private class KtLightMemberModifierList(
owner: KtLightMember<*>, private val dummyDelegate: PsiModifierList?
) : KtLightModifierList>(owner) {
override fun hasModifierProperty(name: String) = when {
name == PsiModifier.ABSTRACT && isImplementationInInterface() -> false
// pretend this method behaves like a default method
name == PsiModifier.DEFAULT && isImplementationInInterface() -> true
name == PsiModifier.FINAL && ((owner.containingClass as? KtLightClassForSourceDeclaration)?.isPossiblyAffectedByAllOpen() ?: false) ->
clsDelegate.hasModifierProperty(name)
dummyDelegate != null -> {
when {
name in visibilityModifiers && isMethodOverride() ->
clsDelegate.hasModifierProperty(name)
else -> dummyDelegate.hasModifierProperty(name)
}
}
else -> clsDelegate.hasModifierProperty(name)
}
override fun hasExplicitModifier(name: String) =
// kotlin methods can't be truly default atm, that way we can avoid being reported on by diagnostics, namely android lint
if (name == PsiModifier.DEFAULT) false else super.hasExplicitModifier(name)
private fun isMethodOverride() = owner is KtLightMethod && owner.kotlinOrigin?.hasModifier(KtTokens.OVERRIDE_KEYWORD) ?: false
private fun isImplementationInInterface()
= owner.containingClass.isInterface && owner is KtLightMethod && owner.kotlinOrigin?.hasBody() ?: false
override fun copy() = KtLightMemberModifierList(owner, dummyDelegate)
}