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Refactor ReflectJavaConstructor.getValueParameters()

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See https://youtrack.jetbrains.com/issue/KT-6886 for more information
This commit is contained in:
Alexander Udalov
2015-03-02 15:26:27 +03:00
parent 1054f004aa
commit e95d22dcfe
5 changed files with 69 additions and 13 deletions
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core/descriptors.runtime/src/org/jetbrains/kotlin/load/java/structure/reflect/ReflectJavaConstructor.kt
+17 -13
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@@ -21,24 +21,28 @@ import org.jetbrains.kotlin.load.java.structure.JavaTypeParameter
import org.jetbrains.kotlin.load.java.structure.JavaValueParameter
import java.lang.reflect.Constructor
import java.lang.reflect.Modifier
import java.util.Arrays
public class ReflectJavaConstructor(override val member: Constructor<*>) : ReflectJavaMember(), JavaConstructor {
override fun getValueParameters(): List<JavaValueParameter> =
getValueParameters(
dropSynthetic(member.getGenericParameterTypes()),
dropSynthetic(member.getParameterAnnotations()),
member.isVarArgs()
)
// TODO: test local/anonymous classes
override fun getValueParameters(): List<JavaValueParameter> {
val types = member.getGenericParameterTypes()
if (types.isEmpty()) return emptyList()
// Constructors of inner classes have one additional synthetic parameter
// TODO: test this code with annotations on constructor parameters of enums and inner classes
private inline fun <reified T> dropSynthetic(array: Array<T>): Array<T> {
val klass = member.getDeclaringClass()
return if (klass.getDeclaringClass() != null && !Modifier.isStatic(klass.getModifiers())) {
Arrays.copyOfRange(array, 1, array.size())
val realTypes = when {
klass.getDeclaringClass() != null && !Modifier.isStatic(klass.getModifiers()) -> types.copyOfRange(1, types.size())
else -> types
}
else array
val annotations = member.getParameterAnnotations()
val realAnnotations = when {
annotations.size() < realTypes.size() -> throw IllegalStateException("Illegal generic signature: $member")
annotations.size() > realTypes.size() -> annotations.copyOfRange(annotations.size() - realTypes.size(), annotations.size())
else -> annotations
}
return getValueParameters(realTypes, realAnnotations, member.isVarArgs())
}
override fun getTypeParameters(): List<JavaTypeParameter> {