"Code Cleanup" action to migrate all instances of deprecated syntax to new one

idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/JetPsiChecker.kt

@@ -18,6 +18,7 @@ package org.jetbrains.kotlin.idea.highlighter
 
 import com.intellij.codeInsight.daemon.impl.HighlightRangeExtension
 import com.intellij.codeInsight.intention.EmptyIntentionAction
+import com.intellij.codeInsight.intention.IntentionAction
 import com.intellij.codeInspection.ProblemHighlightType
 import com.intellij.lang.annotation.Annotation
 import com.intellij.lang.annotation.AnnotationHolder
@@ -179,18 +180,8 @@ public open class JetPsiChecker : Annotator, HighlightRangeExtension {
         }
 
         private fun registerQuickFix(annotation: Annotation, diagnostic: Diagnostic) {
-            val intentionActionsFactories = QuickFixes.getActionsFactories(diagnostic.getFactory())
-            for (intentionActionsFactory in intentionActionsFactories) {
-                if (intentionActionsFactory != null) {
-                    for (action in intentionActionsFactory.createActions(diagnostic)) {
-                        annotation.registerFix(action)
-                    }
-                }
-            }
-
-            val actions = QuickFixes.getActions(diagnostic.getFactory())
-            for (action in actions) {
-                annotation.registerFix(action)
+            createQuickfixes(diagnostic).forEach {
+                annotation.registerFix(it)
             }
 
             // Making warnings suppressable
@@ -261,5 +252,14 @@ public open class JetPsiChecker : Annotator, HighlightRangeExtension {
                 //DeprecatedAnnotationVisitor(holder, bindingContext)
         )
 
+        public fun createQuickfixes(diagnostic: Diagnostic): Collection<IntentionAction> {
+            val result = arrayListOf<IntentionAction>()
+            val intentionActionsFactories = QuickFixes.getActionsFactories(diagnostic.getFactory())
+            for (intentionActionsFactory in intentionActionsFactories.filterNotNull()) {
+                result.addAll(intentionActionsFactory.createActions(diagnostic))
+            }
+            result.addAll(QuickFixes.getActions(diagnostic.getFactory()))
+            return result
+        }
     }
 }

idea/src/META-INF/plugin.xml

@@ -1007,6 +1007,14 @@
         level="WARNING"
         />
 
+    <localInspection implementationClass="org.jetbrains.kotlin.idea.inspections.KotlinCleanupInspection"
+        shortName="KotlinDeprecation"
+        displayName="Deprecated language feature"
+        groupName="Kotlin"
+        enabledByDefault="true"
+        cleanupTool="true"
+        level="WARNING"/>
+
     <project.converterProvider implementation="org.jetbrains.kotlin.idea.converters.JetRunConfigurationSettingsFormatConverterProvider"/>
 
     <fileType.fileViewProviderFactory filetype="KJSM" implementationClass="com.intellij.psi.ClassFileViewProviderFactory"/>

idea/src/org/jetbrains/kotlin/idea/inspections/KotlinCleanupInspection.kt

@@ -0,0 +1,84 @@
+/*
+ * 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.inspections
+
+import com.intellij.codeInspection.*
+import com.intellij.openapi.progress.ProcessCanceledException
+import com.intellij.psi.PsiElement
+import com.intellij.psi.PsiFile
+import org.jetbrains.kotlin.diagnostics.Diagnostic
+import org.jetbrains.kotlin.diagnostics.DiagnosticFactory
+import org.jetbrains.kotlin.diagnostics.Errors
+import org.jetbrains.kotlin.diagnostics.rendering.DefaultErrorMessages
+import org.jetbrains.kotlin.idea.caches.resolve.analyzeFullyAndGetResult
+import org.jetbrains.kotlin.idea.highlighter.JetPsiChecker
+import org.jetbrains.kotlin.idea.quickfix.JetWholeProjectModalAction
+import org.jetbrains.kotlin.idea.util.ProjectRootsUtil
+import org.jetbrains.kotlin.psi.JetFile
+import org.jetbrains.kotlin.psi.JetTreeVisitorVoid
+import org.jetbrains.kotlin.resolve.jvm.diagnostics.ErrorsJvm
+
+public class KotlinCleanupInspection(): LocalInspectionTool(), CleanupLocalInspectionTool {
+    // required to simplify the inspection registration in tests
+    override fun getDisplayName(): String = "Deprecated language feature"
+
+    override fun checkFile(file: PsiFile, manager: InspectionManager, isOnTheFly: Boolean): Array<out ProblemDescriptor>? {
+        if (isOnTheFly || file !is JetFile || !ProjectRootsUtil.isInProjectSource(file)) {
+            return null
+        }
+        val analysisResult = file.analyzeFullyAndGetResult()
+        if (analysisResult.isError()) {
+            throw ProcessCanceledException(analysisResult.error)
+        }
+
+        val diagnostics = analysisResult.bindingContext.getDiagnostics()
+        val problemDescriptors = arrayListOf<ProblemDescriptor>()
+        file.acceptChildren(object: JetTreeVisitorVoid() {
+            override fun visitElement(element: PsiElement) {
+                super.visitElement(element)
+                val collection = diagnostics.forElement(element)
+                collection.forEach {
+                    if (it.getFactory().isCleanup()) {
+                        problemDescriptors.add(it.toProblemDescriptor(file, manager))
+                    }
+                }
+            }
+        })
+        return problemDescriptors.toTypedArray()
+    }
+
+    private fun DiagnosticFactory<*>.isCleanup() =
+            this == Errors.DEPRECATED_TRAIT_KEYWORD ||
+            this == Errors.DEPRECATED_ANNOTATION_SYNTAX ||
+            this == Errors.ENUM_ENTRY_USES_DEPRECATED_OR_NO_DELIMITER ||
+            this == Errors.ENUM_ENTRY_USES_DEPRECATED_SUPER_CONSTRUCTOR ||
+            this == Errors.DEPRECATED_LAMBDA_SYNTAX ||
+            this == Errors.JAVA_LANG_CLASS_PARAMETER_IN_ANNOTATION ||
+            this == ErrorsJvm.JAVA_LANG_CLASS_ARGUMENT_IN_ANNOTATION
+
+    private fun Diagnostic.toProblemDescriptor(file: JetFile, manager: InspectionManager): ProblemDescriptor? {
+        val quickFixes = JetPsiChecker.createQuickfixes(this)
+                .filter { it !is JetWholeProjectModalAction<*> }
+                .map { IntentionWrapper(it, file) }
+
+         return manager.createProblemDescriptor(getPsiElement(),
+                                                DefaultErrorMessages.render(this),
+                                                false,
+                                                quickFixes.toTypedArray(),
+                                                ProblemHighlightType.GENERIC_ERROR_OR_WARNING)
+    }
+}

idea/src/org/jetbrains/kotlin/idea/quickfix/DeprecatedLambdaSyntaxFix.kt

@@ -39,7 +39,7 @@ public class DeprecatedLambdaSyntaxFix(element: JetFunctionLiteralExpression) :
     override fun getText() = JetBundle.message("migrate.lambda.syntax")
     override fun getFamilyName() = JetBundle.message("migrate.lambda.syntax.family")
 
-    override fun invoke(project: Project, editor: Editor, file: JetFile) {
+    override fun invoke(project: Project, editor: Editor?, file: JetFile) {
         DeprecatedSyntaxFix.createFix(element).runFix()
     }
 

idea/testData/inspections/cleanup/cleanup.kt

@@ -0,0 +1,20 @@
+trait Foo {
+}
+
+
+[deprecated("boo")] fun bar() {}
+
+enum class E {
+    First Second
+}
+
+enum class F(val name: String) {
+    First: F("First")
+    Second: F("Second")
+}
+
+val f = { (a: Int, b: Int) -> a + b }
+
+annotation class Ann(val arg1: Class<*>, val arg2: Class<out Any?>)
+
+Ann(javaClass<String>(), javaClass<Int>()) class MyClass

idea/testData/inspections/cleanup/cleanup.kt.after

@@ -0,0 +1,22 @@
+import kotlin.reflect.KClass
+
+interface Foo {
+}
+
+
+@deprecated("boo") fun bar() {}
+
+enum class E {
+    First, Second
+}
+
+enum class F(val name: String) {
+    First("First"),
+    Second("Second")
+}
+
+val f = { a: Int, b: Int -> a + b }
+
+annotation class Ann(val arg1: KClass<*>, val arg2: KClass<out Any?>)
+
+Ann(String::class, Int::class) class MyClass

idea/tests/org/jetbrains/kotlin/idea/inspections/KotlinCleanupInspectionTest.kt

@@ -0,0 +1,47 @@
+/*
+ * 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.inspections
+
+import com.intellij.analysis.AnalysisScope
+import com.intellij.codeInspection.InspectionManager
+import com.intellij.codeInspection.ex.GlobalInspectionContextBase
+import com.intellij.profile.codeInspection.InspectionProjectProfileManager
+import com.intellij.testFramework.LightProjectDescriptor
+import org.jetbrains.kotlin.idea.test.JetLightCodeInsightFixtureTestCase
+import org.jetbrains.kotlin.idea.test.JetWithJdkAndRuntimeLightProjectDescriptor
+import org.jetbrains.kotlin.idea.test.PluginTestCaseBase
+
+class KotlinCleanupInspectionTest(): JetLightCodeInsightFixtureTestCase() {
+    override fun getTestDataPath(): String
+            = PluginTestCaseBase.getTestDataPathBase() + "/inspections/cleanup"
+
+    override fun getProjectDescriptor(): LightProjectDescriptor = JetWithJdkAndRuntimeLightProjectDescriptor.INSTANCE
+
+    public fun testCleanup() {
+        myFixture.enableInspections(javaClass<KotlinCleanupInspection>())
+        myFixture.configureByFile("cleanup.kt")
+
+        val project = myFixture.getProject()
+        val managerEx = InspectionManager.getInstance(project)
+        val globalContext = managerEx.createNewGlobalContext(false) as GlobalInspectionContextBase
+        val analysisScope = AnalysisScope(myFixture.getFile())
+        val profile = InspectionProjectProfileManager.getInstance(project).getInspectionProfile()
+        globalContext.codeCleanup(project, analysisScope, profile, "Cleanup", null, true)
+
+        myFixture.checkResultByFile("cleanup.kt.after")
+    }
+}