[light classes] optimize accessors retrieval

Avoid expensive calls to `navigationElement` for methods
that cannot be getters/setters and would be filtered later.
Repeat partly naming generation strategy.

Merge-request: KT-MR-10689
Merged-by: Anna Kozlova <Anna.Kozlova@jetbrains.com>
This commit is contained in:
Anna Kozlova
2023-06-22 14:14:39 +00:00
committed by Space Team
parent 7e9a897ef3
commit 190d49a1e0
14 changed files with 257 additions and 15 deletions
@@ -5,6 +5,7 @@
package org.jetbrains.kotlin.asJava
import com.intellij.openapi.util.NlsSafe
import com.intellij.psi.PsiClass
import com.intellij.psi.PsiField
import com.intellij.psi.PsiMethod
@@ -18,9 +19,12 @@ import org.jetbrains.kotlin.asJava.elements.KtLightElement
import org.jetbrains.kotlin.asJava.elements.KtLightField
import org.jetbrains.kotlin.asJava.elements.KtLightMethod
import org.jetbrains.kotlin.asJava.elements.isSetter
import org.jetbrains.kotlin.descriptors.annotations.AnnotationUseSiteTarget
import org.jetbrains.kotlin.load.java.JvmAbi
import org.jetbrains.kotlin.name.JvmNames
import org.jetbrains.kotlin.psi.*
import org.jetbrains.kotlin.psi.psiUtil.getNonStrictParentOfType
import org.jetbrains.kotlin.psi.psiUtil.containingClassOrObject
import org.jetbrains.kotlin.resolve.DataClassResolver
import org.jetbrains.kotlin.utils.checkWithAttachment
object LightClassUtil {
@@ -43,12 +47,31 @@ object LightClassUtil {
getLightClassAccessorMethods(accessor).firstOrNull()
fun getLightClassAccessorMethods(accessor: KtPropertyAccessor): List<PsiMethod> {
val property = accessor.getNonStrictParentOfType<KtProperty>() ?: return emptyList()
val wrappers = getPsiMethodWrappers(property)
return wrappers.filter { wrapper ->
(accessor.isGetter && !JvmAbi.isSetterName(wrapper.name)) ||
(accessor.isSetter && JvmAbi.isSetterName(wrapper.name))
}.toList()
val property = accessor.property
val customNameAnnoProvided =
accessor.annotationEntries.find { JvmNames.JVM_NAME.shortName() == it.shortName } != null || property.isSpecialNameProvided()
val propertyName = accessor.property.name ?: return emptyList()
val wrappers = getPsiMethodWrappers(property) { wrapper ->
val wrapperName = wrapper.name
if (customNameAnnoProvided) {
// cls with loaded text doesn't preserve annotation arguments thus we can't rely on the name
// accept everything but the the opposite accessors
if (accessor.isGetter) !JvmAbi.isSetterName(wrapperName) else !JvmAbi.isGetterName(wrapperName)
} else if (accessor.isGetter) {
val getterName = JvmAbi.getterName(propertyName)
wrapperName == getterName ||
isMangled(wrapperName, getterName)
} else {
val setterName = JvmAbi.setterName(propertyName)
wrapperName == setterName || isMangled(wrapperName, setterName)
}
}
return wrappers.toList()
}
private fun isMangled(wrapperName: @NlsSafe String, prefix: String): Boolean {
//see KT-54803 for other mangling strategies
return wrapperName.startsWith("$prefix$")
}
fun getLightFieldForCompanionObject(companionObject: KtClassOrObject): PsiField? {
@@ -124,10 +147,14 @@ object LightClassUtil {
return getPsiMethodWrappers(declaration).firstOrNull()
}
private fun getPsiMethodWrappers(declaration: KtDeclaration, name: String? = null): Sequence<KtLightMethod> =
private fun getPsiMethodWrappers(
declaration: KtDeclaration,
name: String? = null,
nameFilter: (KtLightMethod) -> Boolean = { name == null || name == it.name }
): Sequence<KtLightMethod> =
getWrappingClasses(declaration).flatMap { it.methods.asSequence() }
.filterIsInstance<KtLightMethod>()
.filter { name == null || name == it.name }
.filter(nameFilter)
.filter { it.kotlinOrigin === declaration || it.navigationElement === declaration }
private fun getWrappingClass(declaration: KtDeclaration): PsiClass? {
@@ -178,12 +205,42 @@ object LightClassUtil {
return PsiTreeUtil.getParentOfType(declaration, KtFunction::class.java, KtProperty::class.java) == null
}
private fun extractPropertyAccessors(
ktDeclaration: KtDeclaration,
specialGetter: PsiMethod?, specialSetter: PsiMethod?
): PropertyAccessorsPsiMethods {
private fun KtDeclaration.isSpecialNameProvided(): Boolean {
return annotationEntries.any { anno ->
val target = if (JvmNames.JVM_NAME.shortName() == anno.shortName) anno.useSiteTarget?.getAnnotationUseSiteTarget() else null
target == AnnotationUseSiteTarget.PROPERTY_GETTER || target == AnnotationUseSiteTarget.PROPERTY_SETTER
}
}
val (setters, getters) = getPsiMethodWrappers(ktDeclaration).partition { it.isSetter }
private fun <T> extractPropertyAccessors(
ktDeclaration: T,
specialGetter: PsiMethod?,
specialSetter: PsiMethod?
): PropertyAccessorsPsiMethods where T : KtValVarKeywordOwner, T : KtNamedDeclaration {
val accessorWrappers = when {
ktDeclaration is KtProperty && noAdditionalAccessorsExpected(ktDeclaration, specialSetter, specialGetter) -> {
emptySequence()
}
ktDeclaration.isSpecialNameProvided() -> {
getPsiMethodWrappers(ktDeclaration)
}
else -> {
val currentName = ktDeclaration.name
val getterName = currentName?.let { JvmAbi.getterName(currentName) }
val setterName = currentName?.let { JvmAbi.setterName(currentName) }
getPsiMethodWrappers(ktDeclaration) { wrapper ->
val wrapperName = wrapper.name
currentName == null ||
currentName == wrapperName ||
wrapperName == getterName || isMangled(wrapperName, getterName!!) ||
wrapperName == setterName || isMangled(wrapperName, setterName!!) ||
DataClassResolver.isComponentLike(wrapperName)
}
}
}
val (setters, getters) = accessorWrappers.partition { it.isSetter }
val allGetters = listOfNotNull(specialGetter) + getters.filterNot { it == specialGetter }
val allSetters = listOfNotNull(specialSetter) + setters.filterNot { it == specialSetter }
@@ -197,6 +254,22 @@ object LightClassUtil {
)
}
private fun noAdditionalAccessorsExpected(
ktDeclaration: KtProperty,
specialSetter: PsiMethod?,
specialGetter: PsiMethod?,
): Boolean {
val containingClassOrObject = ktDeclaration.containingClassOrObject
if ((containingClassOrObject as? KtObjectDeclaration)?.isCompanion() == true) {
return false
}
return if (ktDeclaration.isVar) {
specialSetter != null && specialGetter != null
} else {
specialGetter != null
}
}
class PropertyAccessorsPsiMethods(
val getter: PsiMethod?,
val setter: PsiMethod?,