Do not show fake local variables for inline function/argument in Variables View for Debugger

idea/src/org/jetbrains/kotlin/idea/debugger/JetPositionManager.kt

@@ -21,6 +21,9 @@ import com.intellij.debugger.NoDataException
 import com.intellij.debugger.SourcePosition
 import com.intellij.debugger.engine.DebugProcess
 import com.intellij.debugger.engine.DebugProcessImpl
+import com.intellij.debugger.engine.PositionManagerEx
+import com.intellij.debugger.engine.evaluation.EvaluationContext
+import com.intellij.debugger.jdi.StackFrameProxyImpl
 import com.intellij.debugger.requests.ClassPrepareRequestor
 import com.intellij.openapi.project.DumbService
 import com.intellij.openapi.roots.libraries.LibraryUtil
@@ -30,6 +33,8 @@ import com.intellij.psi.impl.compiled.ClsFileImpl
 import com.intellij.psi.search.GlobalSearchScope
 import com.intellij.psi.search.searches.ReferencesSearch
 import com.intellij.psi.util.*
+import com.intellij.util.ThreeState
+import com.intellij.xdebugger.frame.XStackFrame
 import com.sun.jdi.AbsentInformationException
 import com.sun.jdi.Location
 import com.sun.jdi.ReferenceType
@@ -54,8 +59,6 @@ import org.jetbrains.kotlin.idea.search.usagesSearch.isImportUsage
 import org.jetbrains.kotlin.idea.util.DebuggerUtils
 import org.jetbrains.kotlin.idea.util.ProjectRootsUtil
 import org.jetbrains.kotlin.idea.util.application.runReadAction
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils
-import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.resolve.BindingContext
@@ -66,10 +69,18 @@ import com.intellij.debugger.engine.DebuggerUtils as JDebuggerUtils
 
 class PositionedElement(val className: String?, val element: PsiElement?)
 
-public class JetPositionManager(private val myDebugProcess: DebugProcess) : MultiRequestPositionManager {
+public class JetPositionManager(private val myDebugProcess: DebugProcess) : MultiRequestPositionManager, PositionManagerEx() {
 
     private val myTypeMappers = WeakHashMap<String, CachedValue<JetTypeMapper>>()
 
+    override fun evaluateCondition(context: EvaluationContext, frame: StackFrameProxyImpl, location: Location, expression: String): ThreeState? {
+        return null
+    }
+
+    override fun createStackFrame(frame: StackFrameProxyImpl, debugProcess: DebugProcessImpl, location: Location): XStackFrame? {
+         return KotlinStackFrame(frame)
+    }
+
     override fun getSourcePosition(location: Location?): SourcePosition? {
         if (location == null) {
             throw NoDataException.INSTANCE

idea/src/org/jetbrains/kotlin/idea/debugger/KotlinStackFrame.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-2015 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.kotlin.idea.debugger
+
+import com.intellij.debugger.engine.JavaStackFrame
+import com.intellij.debugger.jdi.LocalVariableProxyImpl
+import com.intellij.debugger.jdi.StackFrameProxyImpl
+import com.intellij.debugger.ui.impl.watch.MethodsTracker
+import com.intellij.debugger.ui.impl.watch.StackFrameDescriptorImpl
+import org.jetbrains.kotlin.codegen.inline.InlineCodegenUtil
+
+class KotlinStackFrame(frame: StackFrameProxyImpl) : JavaStackFrame(StackFrameDescriptorImpl(frame, MethodsTracker()), true) {
+    override fun getVisibleVariables(): List<LocalVariableProxyImpl>? {
+        return super.getVisibleVariables().filter {
+            !InlineCodegenUtil.isFakeLocalVariableForInline(it.name())
+        }
+    }
+}

idea/testData/debugger/tinyApp/outs/frameSharedVarLocalVar.out

@@ -25,8 +25,6 @@ inline fun foo(f: () -> Unit) {
    local    = args: java.lang.String[] = {java.lang.String[0]@uniqueID} (sp = frameSharedVarLocalVar.kt, 3)
    local    = var1: kotlin.jvm.internal.Ref$IntRef = {kotlin.jvm.internal.Ref$IntRef@uniqueID}1 (sp = frameSharedVarLocalVar.kt, 4)
      field    = element: int = 1 (sp = Ref.!EXT!)
-   local    = $i$a$1: int = 0 (sp = null)
-   local    = $i$f$foo: int = 0 (sp = null)
 Disconnected from the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
 
 Process finished with exit code 0