KT-6159: allow local / private functions inlining

idea/src/org/jetbrains/kotlin/idea/refactoring/inline/KotlinInlineFunctionHandler.kt

@@ -21,7 +21,6 @@ import com.intellij.lang.refactoring.InlineActionHandler
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.project.Project
 import com.intellij.psi.PsiElement
-import com.intellij.psi.search.GlobalSearchScope
 import com.intellij.refactoring.RefactoringBundle
 import com.intellij.refactoring.util.CommonRefactoringUtil
 import org.jetbrains.kotlin.descriptors.SimpleFunctionDescriptor
@@ -45,11 +44,7 @@ class KotlinInlineFunctionHandler: InlineActionHandler() {
     override fun isEnabledForLanguage(language: Language) = language == KotlinLanguage.INSTANCE
 
     //TODO: overrides etc
-    override fun canInlineElement(element: PsiElement): Boolean {
+    override fun canInlineElement(element: PsiElement) = element is KtNamedFunction && element.hasBody()
-        return element is KtNamedFunction
-               && element.hasBody()
-               && element.getUseScope() is GlobalSearchScope  // TODO support local functions
-    }
 
     override fun inlineElement(project: Project, editor: Editor?, element: PsiElement) {
         element as KtNamedFunction

idea/testData/refactoring/inline/function/LocalCapturing.kt

@@ -7,6 +7,5 @@ fun foo() {
         bar(t)
     }
 
-    // TODO: should be available
     <caret>local()
 }

idea/testData/refactoring/inline/function/LocalCapturing.kt.after

@@ -0,0 +1,7 @@
+fun bar(s: String) {}
+
+fun foo() {
+    val t = "Test"
+
+    bar(t)
+}

idea/testData/refactoring/inline/function/LocalSimple.kt

@@ -5,6 +5,5 @@ fun foo() {
         bar("Test")
     }
 
-    // TODO: should be available
     <caret>local()
 }

idea/testData/refactoring/inline/function/LocalSimple.kt.after

@@ -0,0 +1,6 @@
+fun bar(s: String) {}
+
+fun foo() {
+
+    bar("Test")
+}

idea/testData/refactoring/inline/function/returnAtEnd/PrivateMember.kt

@@ -1,6 +1,5 @@
 class My {
     fun run() {
-        // TODO: should be available
         val foo = <caret>doThing()
         System.out.println(foo)
     }

idea/testData/refactoring/inline/function/returnAtEnd/PrivateMember.kt.after

@@ -0,0 +1,9 @@
+class My {
+    fun run() {
+        // foo1 should be here
+        val foo = 1 + 2
+        val foo = foo
+        System.out.println(foo)
+    }
+
+}