Fixed method parameter default value processing in uast

plugins/uast-kotlin/src/org/jetbrains/uast/kotlin/declarations/KotlinUMethod.kt

@@ -16,6 +16,8 @@
 
 package org.jetbrains.uast.kotlin.declarations
 
+import com.intellij.psi.PsiMethod
+import com.intellij.psi.PsiNameIdentifierOwner
 import org.jetbrains.kotlin.asJava.elements.KtLightElement
 import org.jetbrains.kotlin.asJava.elements.KtLightMethod
 import org.jetbrains.kotlin.asJava.elements.KtLightMethodImpl
@@ -24,17 +26,30 @@ import org.jetbrains.kotlin.psi.KtCallableDeclaration
 import org.jetbrains.kotlin.psi.KtFunction
 import org.jetbrains.kotlin.psi.KtParameter
 import org.jetbrains.uast.*
-import org.jetbrains.uast.java.JavaUMethod
+import org.jetbrains.uast.java.JavaUAnnotation
+import org.jetbrains.uast.java.annotations
+import org.jetbrains.uast.java.internal.JavaUElementWithComments
+import org.jetbrains.uast.kotlin.KotlinUParameter
 import org.jetbrains.uast.kotlin.lz
 import org.jetbrains.uast.kotlin.unwrap
 
 open class KotlinUMethod(
         psi: KtLightMethod,
-        containingElement: UElement?
-) : JavaUMethod(psi, containingElement) {
+        override val containingElement: UElement?
+) : UMethod, JavaUElementWithComments, PsiMethod by psi {
     override val psi: KtLightMethod = unwrap<UMethod, KtLightMethod>(psi)
     private val kotlinOrigin = (psi.originalElement as KtLightElement<*, *>).kotlinOrigin
 
+    override val annotations by lz { psi.annotations.map { JavaUAnnotation(it, this) } }
+
+    override val uastParameters by lz {
+        psi.parameterList.parameters.map { KotlinUParameter(it, this) }
+    }
+
+    override val uastAnchor: UElement
+        get() = UIdentifier((psi.originalElement as? PsiNameIdentifierOwner)?.nameIdentifier ?: psi.nameIdentifier, this)
+
+
     override val uastBody by lz {
         val bodyExpression = (kotlinOrigin as? KtFunction)?.bodyExpression ?: return@lz null
         getLanguagePlugin().convertElement(bodyExpression, this) as? UExpression

plugins/uast-kotlin/src/org/jetbrains/uast/kotlin/declarations/KotlinUVariable.kt

@@ -18,6 +18,7 @@ package org.jetbrains.uast.kotlin
 
 import com.intellij.psi.*
 import org.jetbrains.kotlin.asJava.elements.KtLightElement
+import org.jetbrains.kotlin.psi.KtParameter
 import org.jetbrains.kotlin.psi.KtVariableDeclaration
 import org.jetbrains.uast.*
 import org.jetbrains.uast.expressions.UReferenceExpression
@@ -37,7 +38,14 @@ abstract class AbstractKotlinUVariable : AbstractJavaUVariable() {
             val initializerExpression = when (psi) {
                 is UastKotlinPsiVariable -> psi.ktInitializer
                 is UastKotlinPsiParameter -> psi.ktDefaultValue
-                is KtLightElement<*, *> -> (psi.kotlinOrigin as? KtVariableDeclaration)?.initializer
+                is KtLightElement<*, *> -> {
+                    val origin = psi.kotlinOrigin
+                    when (origin) {
+                        is KtVariableDeclaration -> origin.initializer
+                        is KtParameter -> origin.defaultValue
+                        else -> null
+                    }
+                }
                 else -> null
             } ?: return null
             return getLanguagePlugin().convertElement(initializerExpression, this) as? UExpression ?: UastEmptyExpression