Refactored PsiElement.parents() into 2 properties

compiler/frontend/src/org/jetbrains/kotlin/cfg/pseudocode/pseudocodeUtil.kt

@@ -192,7 +192,7 @@ public fun JetElement.getContainingPseudocode(context: BindingContext): Pseudoco
             ?: return null
 
     val enclosingPseudocodeDeclaration = (pseudocodeDeclaration as? JetFunctionLiteral)?.let {
-        it.parents(withItself = false).firstOrNull { it is JetDeclaration && it !is JetFunctionLiteral } as? JetDeclaration
+        it.parents.firstOrNull { it is JetDeclaration && it !is JetFunctionLiteral } as? JetDeclaration
     } ?: pseudocodeDeclaration
 
     val enclosingPseudocode = PseudocodeUtil.generatePseudocode(enclosingPseudocodeDeclaration, context)

compiler/frontend/src/org/jetbrains/kotlin/psi/createByPattern.kt

@@ -26,10 +26,7 @@ import com.intellij.psi.impl.source.codeStyle.CodeEditUtil
 import org.jetbrains.kotlin.lexer.JetTokens
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.name.renderName
-import org.jetbrains.kotlin.psi.psiUtil.PsiChildRange
-import org.jetbrains.kotlin.psi.psiUtil.endOffset
-import org.jetbrains.kotlin.psi.psiUtil.parents
-import org.jetbrains.kotlin.psi.psiUtil.startOffset
+import org.jetbrains.kotlin.psi.psiUtil.*
 import java.util.ArrayList
 import java.util.HashMap
 import java.util.LinkedHashMap
@@ -124,7 +121,7 @@ public fun <TElement : JetElement> createByPattern(pattern: String, vararg args:
 
         for ((range, text) in placeholders) {
             val token = resultElement.findElementAt(range.getStartOffset())!!
-            for (element in token.parents()) {
+            for (element in token.parentsWithSelf) {
                 val elementRange = element.getTextRange().shiftRight(-start)
                 if (elementRange == range && expectedElementType.isInstance(element)) {
                     val pointer = pointerManager.createSmartPsiElementPointer(element)

compiler/frontend/src/org/jetbrains/kotlin/psi/psiUtil/psiUtils.kt

@@ -38,10 +38,11 @@ public fun PsiElement.siblings(forward: Boolean = true, withItself: Boolean = tr
     return if (withItself) sequence else sequence.drop(1)
 }
 
-public fun PsiElement.parents(withItself: Boolean = true): Sequence<PsiElement> {
-    val sequence = sequence(this) { if (it is PsiFile) null else it.getParent() }
-    return if (withItself) sequence else sequence.drop(1)
-}
+public val PsiElement.parentsWithSelf: Sequence<PsiElement>
+    get() = sequence(this) { if (it is PsiFile) null else it.getParent() }
+
+public val PsiElement.parents: Sequence<PsiElement>
+    get() = parentsWithSelf.drop(1)
 
 public fun PsiElement.prevLeaf(skipEmptyElements: Boolean = false): PsiElement?
         = PsiTreeUtil.prevLeaf(this, skipEmptyElements)
@@ -216,7 +217,7 @@ public fun PsiFile.elementsInRange(range: TextRange): List<PsiElement> {
         val leaf = findFirstLeafWhollyInRange(this, currentRange) ?: break
 
         val element = leaf
-                .parents(withItself = true)
+                .parentsWithSelf
                 .first {
                     val parent = it.getParent()
                     it is PsiFile || parent.getTextRange() !in currentRange