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improve classcasts

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This commit is contained in:
InsanusMokrassar 2024-06-30 22:55:28 +06:00
parent 2b9bb4f141
commit f9795d53a0
5 changed files with 65 additions and 62 deletions
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20
ksp/classcasts/generator/src/main/kotlin/ClassCastsFiller.kt
View File

@ -32,14 +32,9 @@ private fun FileSpec.Builder.createTypeDefinition(ksClassDeclaration: KSClassDec
internal fun FileSpec.Builder.fill(
sourceKSClassDeclaration: KSClassDeclaration,
subtypesMap: Map<KSClassDeclaration, Set<KSClassDeclaration>>,
targetClassDeclaration: KSClassDeclaration = sourceKSClassDeclaration
subtypes: Set<KSClassDeclaration>
) {
if (sourceKSClassDeclaration == targetClassDeclaration) {
subtypesMap[sourceKSClassDeclaration] ?.forEach {
fill(sourceKSClassDeclaration, subtypesMap, it)
}
} else {
subtypes.forEach { targetClassDeclaration ->
val sourceClassName = sourceKSClassDeclaration.toClassName()
val targetClassClassName = targetClassDeclaration.toClassName()
val targetClassTypeDefinition = createTypeDefinition(targetClassDeclaration)
@ -91,16 +86,5 @@ internal fun FileSpec.Builder.fill(
addModifiers(KModifier.INLINE)
}.build()
)
subtypesMap[targetClassDeclaration] ?.let {
if (it.count { it.classKind == ClassKind.CLASS } > 1) {
it
} else {
it.filter { it.classKind != ClassKind.CLASS }
}
} ?.forEach {
fill(sourceKSClassDeclaration, subtypesMap, it)
fill(targetClassDeclaration, subtypesMap, it)
}
}
}

85
ksp/classcasts/generator/src/main/kotlin/Processor.kt
View File

@ -9,67 +9,72 @@ import com.google.devtools.ksp.processing.Resolver
import com.google.devtools.ksp.processing.SymbolProcessor
import com.google.devtools.ksp.symbol.*
import com.squareup.kotlinpoet.*
import com.squareup.kotlinpoet.ksp.toClassName
import dev.inmo.micro_ksp.generator.writeFile
import dev.inmo.micro_utils.ksp.classcasts.ClassCastsExcluded
import dev.inmo.micro_utils.ksp.classcasts.ClassCastsIncluded
import java.io.File
class Processor(
private val codeGenerator: CodeGenerator
) : SymbolProcessor {
private val classCastsIncludedClassName = ClassCastsIncluded::class.asClassName()
@OptIn(KspExperimental::class)
private fun FileSpec.Builder.generateClassCasts(
ksClassDeclaration: KSClassDeclaration,
resolver: Resolver
) {
val classes = resolver.getSymbolsWithAnnotation(classCastsIncludedClassName.canonicalName).filterIsInstance<KSClassDeclaration>()
val classesRegexes: Map<KSClassDeclaration, Pair<Regex?, Regex?>> = classes.mapNotNull {
it to (it.getAnnotationsByType(ClassCastsIncluded::class).firstNotNullOfOrNull {
it.typesRegex.takeIf { it.isNotEmpty() } ?.let(::Regex) to it.excludeRegex.takeIf { it.isNotEmpty() } ?.let(::Regex)
} ?: return@mapNotNull null)
}.toMap()
val rootAnnotation = ksClassDeclaration.getAnnotationsByType(ClassCastsIncluded::class).first()
val (includeRegex: Regex?, excludeRegex: Regex?) = rootAnnotation.let {
it.typesRegex.takeIf { it.isNotEmpty() } ?.let(::Regex) to it.excludeRegex.takeIf { it.isNotEmpty() } ?.let(::Regex)
}
val classesSubtypes = mutableMapOf<KSClassDeclaration, MutableSet<KSClassDeclaration>>()
resolver.getAllFiles().forEach {
it.declarations.forEach { potentialSubtype ->
if (
potentialSubtype is KSClassDeclaration
&& potentialSubtype.isAnnotationPresent(ClassCastsExcluded::class).not()
) {
val allSupertypes = potentialSubtype.getAllSuperTypes().map { it.declaration }
for (currentClass in classes) {
val regexes = classesRegexes[currentClass]
val simpleName = potentialSubtype.simpleName.getShortName()
when {
currentClass !in allSupertypes
|| regexes ?.first ?.matches(simpleName) == false
|| regexes ?.second ?.matches(simpleName) == true -> continue
else -> {
classesSubtypes.getOrPut(currentClass) { mutableSetOf() }.add(potentialSubtype)
}
}
}
fun KSClassDeclaration.checkSupertypeLevel(levelsAllowed: Int?): Boolean {
val supertypes by lazy {
superTypes.map { it.resolve().declaration }
}
return when {
levelsAllowed == null -> true
levelsAllowed <= 0 -> false
supertypes.any { it == ksClassDeclaration } -> true
else -> supertypes.any {
(it as? KSClassDeclaration) ?.checkSupertypeLevel(levelsAllowed - 1) == true
}
}
}
fun fillWithSealeds(source: KSClassDeclaration, current: KSClassDeclaration = source) {
val regexes = classesRegexes[source]
fun handleDeclaration(ksDeclarationContainer: KSDeclarationContainer) {
ksDeclarationContainer.declarations.forEach { potentialSubtype ->
val simpleName = potentialSubtype.simpleName.getShortName()
when {
potentialSubtype === ksClassDeclaration -> {}
potentialSubtype.isAnnotationPresent(ClassCastsExcluded::class) -> return@forEach
potentialSubtype !is KSClassDeclaration || !potentialSubtype.checkSupertypeLevel(rootAnnotation.levelsToInclude.takeIf { it >= 0 }) -> return@forEach
excludeRegex ?.matches(simpleName) == true -> return@forEach
includeRegex ?.matches(simpleName) == false -> {}
else -> classesSubtypes.getOrPut(ksClassDeclaration) { mutableSetOf() }.add(potentialSubtype)
}
handleDeclaration(potentialSubtype as? KSDeclarationContainer ?: return@forEach)
}
}
resolver.getAllFiles().forEach {
handleDeclaration(it)
}
fun fillWithSealeds(current: KSClassDeclaration) {
current.getSealedSubclasses().forEach {
val simpleName = it.simpleName.getShortName()
if (
regexes ?.first ?.matches(simpleName) == false
|| regexes ?.second ?.matches(simpleName) == true
includeRegex ?.matches(simpleName) == false
|| excludeRegex ?.matches(simpleName) == true
|| it.isAnnotationPresent(ClassCastsExcluded::class)
) {
return@forEach
}
classesSubtypes.getOrPut(source) { mutableSetOf() }.add(it)
fillWithSealeds(source, it)
classesSubtypes.getOrPut(ksClassDeclaration) { mutableSetOf() }.add(it)
fillWithSealeds(it)
}
}
classes.forEach { fillWithSealeds(it) }
fillWithSealeds(ksClassDeclaration)
addAnnotation(
AnnotationSpec.builder(Suppress::class).apply {
@ -82,12 +87,10 @@ class Processor(
useSiteTarget(AnnotationSpec.UseSiteTarget.FILE)
}.build()
)
classes.forEach {
fill(
it,
classesSubtypes.toMap()
)
}
fill(
ksClassDeclaration,
classesSubtypes.values.flatten().toSet()
)
}
@OptIn(KspExperimental::class)

7
ksp/classcasts/generator/test/src/commonMain/kotlin/Test.kt
View File

@ -3,10 +3,13 @@ package dev.inmo.micro_utils.ksp.classcasts.generator.test
import dev.inmo.micro_utils.ksp.classcasts.ClassCastsExcluded
import dev.inmo.micro_utils.ksp.classcasts.ClassCastsIncluded
@ClassCastsIncluded
@ClassCastsIncluded(levelsToInclude = 1)
sealed interface Test {
object A : Test
@ClassCastsExcluded
object B : Test
object B : Test // Will not be included in class casts due to annotation ClassCastsExcluded
object C : Test
interface D : Test {
object DD : D // Will not be included in class casts due to levelsToInclude
}
}

8
ksp/classcasts/generator/test/src/commonMain/kotlin/TestClassCasts.kt
View File

@ -30,3 +30,11 @@ public inline fun Test.cOrThrow(): Test.C = this as
dev.inmo.micro_utils.ksp.classcasts.generator.test.Test.C
public inline fun <T> Test.ifC(block: (Test.C) -> T): T? = cOrNull() ?.let(block)
public inline fun Test.dOrNull(): Test.D? = this as?
dev.inmo.micro_utils.ksp.classcasts.generator.test.Test.D
public inline fun Test.dOrThrow(): Test.D = this as
dev.inmo.micro_utils.ksp.classcasts.generator.test.Test.D
public inline fun <T> Test.ifD(block: (Test.D) -> T): T? = dOrNull() ?.let(block)

7
ksp/classcasts/src/commonMain/kotlin/ClassCastsIncluded.kt
View File

@ -2,4 +2,9 @@ package dev.inmo.micro_utils.ksp.classcasts
@Target(AnnotationTarget.CLASS)
@Retention(AnnotationRetention.SOURCE)
annotation class ClassCastsIncluded(val typesRegex: String = "", val excludeRegex: String = "", val outputFilePrefix: String = "")
annotation class ClassCastsIncluded(
val typesRegex: String = "",
val excludeRegex: String = "",
val outputFilePrefix: String = "",
val levelsToInclude: Int = -1
)