Lint: Fix KT-11924 (False positive on beginTransaction() should be completed with a commit() call)

plugins/uast-common/src/org/jetbrains/uast/UastUtils.kt

@@ -245,4 +245,35 @@ fun UExpression.endsWithQualified(fqName: String): Boolean {
         if (passedIdentifier != identifiers[i]) return false
     }
     return true
+}
+
+fun UExpression.findTopMostQualifiedExpression(): UQualifiedExpression? {
+    val parent = this.parent
+    return when (parent) {
+        is UQualifiedExpression -> parent.findTopMostQualifiedExpression()
+        else -> if (this is UQualifiedExpression) this else null
+    }
+}
+
+fun UExpression.getQualifiedChains(): List<UExpression> {
+    fun collect(expr: UQualifiedExpression, chains: MutableList<UExpression>) {
+        val receiver = expr.receiver
+        if (receiver is UQualifiedExpression) {
+            collect(receiver, chains)
+        } else {
+            chains += receiver
+        }
+
+        val selector = expr.selector
+        if (selector is UQualifiedExpression) {
+            collect(selector, chains)
+        } else {
+            chains += selector
+        }
+    }
+
+    val qualifiedExpression = this.findTopMostQualifiedExpression() ?: return emptyList()
+    val chains = mutableListOf<UExpression>()
+    collect(qualifiedExpression, chains)
+    return chains
 }

plugins/uast-common/src/org/jetbrains/uast/declarations/UVariable.kt

@@ -15,6 +15,7 @@
  */
 package org.jetbrains.uast
 
+import org.jetbrains.uast.kinds.UastVariableInitialierKind
 import org.jetbrains.uast.visitor.UastVisitor
 
 interface UVariable : UDeclaration, UModifierOwner, UVisibilityOwner, UAnnotated {
@@ -23,6 +24,12 @@ interface UVariable : UDeclaration, UModifierOwner, UVisibilityOwner, UAnnotated
      */
     val initializer: UExpression?
 
+
+    /**
+     * Return the variable initializer kind (simple initializer, property delegation, etc.).
+     */
+    val initializerKind: UastVariableInitialierKind
+
     /**
      * Return the variable kind.
      */
@@ -75,6 +82,7 @@ interface UVariable : UDeclaration, UModifierOwner, UVisibilityOwner, UAnnotated
 
 object UVariableNotResolved : UVariable {
     override val initializer = null
+    override val initializerKind = UastVariableInitialierKind.NO_INITIALIZER
     override val kind = UastVariableKind(ERROR_NAME)
     override val type = UastErrorType
     override val nameElement = null

plugins/uast-common/src/org/jetbrains/uast/kinds/UastVariableInitialierKind.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.uast.kinds
+
+open class UastVariableInitialierKind(val name: String) {
+    class Simple(name: String) : UastVariableInitialierKind(name)
+    class Delegation(name: String) : UastVariableInitialierKind(name)
+
+    companion object {
+        @JvmField
+        val SIMPLE = Simple("simple")
+
+        @JvmField
+        val DELEGATION = Simple("delegation")
+
+        @JvmField
+        val NO_INITIALIZER = UastVariableInitialierKind("no_initializer")
+    }
+}

plugins/uast-common/src/org/jetbrains/uast/kinds/UastVariableKind.kt

@@ -19,15 +19,19 @@ package org.jetbrains.uast
  * Kinds of [UVariable].
  */
 open class UastVariableKind(val name: String) {
+    class Member(name: String) : UastVariableKind(name)
+    class LocalVariable(name: String) : UastVariableKind(name)
+    class ValueParameter(name: String) : UastVariableKind(name)
+
     companion object {
         @JvmField
-        val LOCAL_VARIABLE = UastVariableKind("local")
+        val LOCAL_VARIABLE = LocalVariable("local")
 
         @JvmField
-        val MEMBER = UastVariableKind("member")
+        val MEMBER = Member("member")
 
         @JvmField
-        val VALUE_PARAMETER = UastVariableKind("parameter")
+        val VALUE_PARAMETER = ValueParameter("parameter")
     }
 
     override fun toString(): String{