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58 changes: 7 additions & 51 deletions
58
processor/src/main/kotlin/com/faendir/kotlin/autodsl/ksp/ksputils.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,63 +1,19 @@ | ||
| package com.faendir.kotlin.autodsl.ksp | ||
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| import com.google.devtools.ksp.symbol.KSAnnotated | ||
| import com.google.devtools.ksp.symbol.KSAnnotation | ||
| import com.google.devtools.ksp.symbol.KSDeclaration | ||
| import com.google.devtools.ksp.symbol.KSType | ||
| import com.google.devtools.ksp.symbol.KSTypeReference | ||
| import com.google.devtools.ksp.symbol.Variance | ||
| import com.squareup.kotlinpoet.ClassName | ||
| import com.squareup.kotlinpoet.LambdaTypeName | ||
| import com.squareup.kotlinpoet.ParameterizedTypeName.Companion.parameterizedBy | ||
| import com.squareup.kotlinpoet.STAR | ||
| import com.squareup.kotlinpoet.ParameterizedTypeName | ||
| import com.squareup.kotlinpoet.TypeName | ||
| import com.squareup.kotlinpoet.WildcardTypeName | ||
| import kotlin.reflect.KClass | ||
| import com.squareup.kotlinpoet.ksp.toTypeName | ||
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| /** | ||
| * Light check without type resolution. A positive result does not guarantee equality | ||
| * | ||
| * @return false if this is not equal to annotation | ||
| */ | ||
| fun <T : Annotation> KSAnnotation.couldBe(annotation: KClass<T>): Boolean = shortName.asString() == annotation.simpleName | ||
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| /** | ||
| * Heavy check with type resolution | ||
| * | ||
| * @return true if this is equal to annotation | ||
| */ | ||
| fun <T : Annotation> KSAnnotation.isEqualTo(annotation: KClass<T>) = | ||
| annotationType.resolve().declaration.qualifiedName?.asString() == annotation.java.name | ||
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| fun <T : Annotation> KSAnnotated.findAnnotation(annotation: KClass<T>): KSAnnotation? { | ||
| return annotations.filter { it.couldBe(annotation) }.firstOrNull { it.isEqualTo(annotation) } | ||
| } | ||
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| fun KSTypeReference.asTypeName() = resolve().asTypeName() | ||
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| fun KSType.asTypeName(): TypeName { | ||
| var name: TypeName = asClassName() | ||
| if (declaration.qualifiedName?.asString()?.matches(Regex("kotlin\\.Function\\d+")) == true) { | ||
| val arguments = arguments.mapNotNullTo(mutableListOf()) { it.type?.asTypeName() } | ||
| val receiver = if (annotations.any { it.couldBe(ExtensionFunctionType::class) }) arguments.removeFirst() else null | ||
| var name: TypeName = toTypeName() | ||
| if (name is ParameterizedTypeName && name.rawType.canonicalName.matches(Regex("kotlin\\.Function\\d+"))) { | ||
| val arguments = name.typeArguments.toMutableList() | ||
| val receiver = if (annotations.any { it.shortName.asString() == ExtensionFunctionType::class.simpleName }) arguments.removeFirst() else null | ||
| val returnType = arguments.removeLast() | ||
| name = LambdaTypeName.get(receiver = receiver, returnType = returnType, parameters = arguments.toTypedArray()) | ||
| } else if (arguments.isNotEmpty()) { | ||
| name = (name as ClassName).parameterizedBy(arguments.map { | ||
| when (it.variance) { | ||
| Variance.STAR -> STAR | ||
| Variance.INVARIANT -> it.type!!.asTypeName() | ||
| Variance.COVARIANT -> WildcardTypeName.producerOf(it.type!!.asTypeName()) | ||
| Variance.CONTRAVARIANT -> WildcardTypeName.consumerOf(it.type!!.asTypeName()) | ||
| } | ||
| }) | ||
| } | ||
| return if (isMarkedNullable) name.copy(nullable = true) else name | ||
| return name | ||
| } | ||
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| fun KSDeclaration.asClassName() = | ||
| ClassName(packageName.asString(), generateSequence({ this }, { it.parentDeclaration }).map { it.simpleName.asString() }.toList().reversed()) | ||
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| fun KSType.asClassName(): ClassName = declaration.asClassName() | ||
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