FIR IDE: Move ChangeVariableMutabilityFix to idea-frontend-independent.

idea/idea-frontend-independent/resources-en/messages/KotlinBundleIndependent.properties

@@ -61,4 +61,8 @@ find.usages.type.super.type.qualifier=Super type qualifier
 find.usages.type.receiver=Receiver
 find.usages.type.delegate=Delegate
 find.usages.type.packageDirective=Package directive
-find.usages.type.packageMemberAccess=Package member access
\ No newline at end of file
+find.usages.type.packageMemberAccess=Package member access
+
+and.delete.initializer=\ and delete initializer
+change.to.val=Change to val
+change.to.var=Change to var
\ No newline at end of file

idea/idea-frontend-independent/src/org/jetbrains/kotlin/idea/quickfix/ChangeVariableMutabilityFix.kt

+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.idea.quickfix
+
+import com.intellij.openapi.editor.Editor
+import com.intellij.openapi.project.Project
+import com.intellij.psi.PsiElement
+import org.jetbrains.kotlin.idea.KotlinBundleIndependent
+import org.jetbrains.kotlin.lexer.KtTokens
+import org.jetbrains.kotlin.psi.*
+import org.jetbrains.kotlin.psi.psiUtil.getStrictParentOfType
+
+class ChangeVariableMutabilityFix(
+    element: KtValVarKeywordOwner,
+    private val makeVar: Boolean,
+    private val actionText: String? = null,
+    private val deleteInitializer: Boolean = false
+) : KotlinPsiOnlyQuickFixAction<KtValVarKeywordOwner>(element) {
+
+    override fun getText() = actionText
+        ?: (if (makeVar) KotlinBundleIndependent.message("change.to.var") else KotlinBundleIndependent.message("change.to.val")) +
+        if (deleteInitializer) KotlinBundleIndependent.message("and.delete.initializer") else ""
+
+    override fun getFamilyName(): String = text
+
+    override fun isAvailable(project: Project, editor: Editor?, file: KtFile): Boolean {
+        val element = element ?: return false
+        val valOrVar = element.valOrVarKeyword?.node?.elementType ?: return false
+        return (valOrVar == KtTokens.VAR_KEYWORD) != makeVar
+    }
+
+    override fun invoke(project: Project, editor: Editor?, file: KtFile) {
+        val element = element ?: return
+        val factory = KtPsiFactory(project)
+        val newKeyword = if (makeVar) factory.createVarKeyword() else factory.createValKeyword()
+        element.valOrVarKeyword!!.replace(newKeyword)
+        if (deleteInitializer) {
+            (element as? KtProperty)?.initializer = null
+        }
+        if (makeVar) {
+            (element as? KtModifierListOwner)?.removeModifier(KtTokens.CONST_KEYWORD)
+        }
+    }
+
+    companion object {
+        val VAL_WITH_SETTER_FACTORY: QuickFixesPsiBasedFactory<KtPropertyAccessor> =
+            quickFixesPsiBasedFactory { psiElement: KtPropertyAccessor ->
+                listOf(ChangeVariableMutabilityFix(psiElement.property, true))
+            }
+
+        val VAR_OVERRIDDEN_BY_VAL_FACTORY: QuickFixesPsiBasedFactory<PsiElement> =
+            quickFixesPsiBasedFactory { psiElement: PsiElement ->
+                when (psiElement) {
+                    is KtProperty, is KtParameter -> listOf(ChangeVariableMutabilityFix(psiElement as KtValVarKeywordOwner, true))
+                    else -> emptyList()
+                }
+            }
+
+        val VAR_ANNOTATION_PARAMETER_FACTORY: QuickFixesPsiBasedFactory<KtParameter> =
+            quickFixesPsiBasedFactory { psiElement: KtParameter ->
+                listOf(ChangeVariableMutabilityFix(psiElement, false))
+            }
+
+        val LATEINIT_VAL_FACTORY: QuickFixesPsiBasedFactory<PsiElement> =
+            quickFixesPsiBasedFactory { psiElement: PsiElement ->
+                val property = psiElement.getStrictParentOfType<KtProperty>() ?: return@quickFixesPsiBasedFactory emptyList()
+                if (property.valOrVarKeyword.text != "val") {
+                    emptyList()
+                } else {
+                    listOf(ChangeVariableMutabilityFix(property, makeVar = true))
+                }
+            }
+
+        val MUST_BE_INITIALIZED_FACTORY: QuickFixesPsiBasedFactory<PsiElement> =
+            quickFixesPsiBasedFactory { psiElement: PsiElement ->
+                val property = psiElement as? KtProperty ?: return@quickFixesPsiBasedFactory emptyList()
+                val getter = property.getter ?: return@quickFixesPsiBasedFactory emptyList()
+                if (!getter.hasBody()) return@quickFixesPsiBasedFactory emptyList()
+                if (getter.hasBlockBody() && property.typeReference == null) return@quickFixesPsiBasedFactory emptyList()
+                listOf(ChangeVariableMutabilityFix(property, makeVar = false))
+            }
+    }
+}
\ No newline at end of file

idea/idea-frontend-independent/src/org/jetbrains/kotlin/idea/quickfix/KotlinPsiOnlyQuickFixAction.kt

+/*
+ * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.idea.quickfix
+
+import com.intellij.codeInsight.FileModificationService
+import com.intellij.openapi.editor.Editor
+import com.intellij.openapi.project.Project
+import com.intellij.psi.PsiElement
+import com.intellij.psi.PsiFile
+import org.jetbrains.kotlin.psi.KtFile
+
+abstract class KotlinPsiOnlyQuickFixAction<out T : PsiElement>(element: T) : QuickFixActionBase<T>(element) {
+    protected open fun isAvailable(project: Project, editor: Editor?, file: KtFile) = true
+
+    override fun isAvailableImpl(project: Project, editor: Editor?, file: PsiFile): Boolean {
+        val ktFile = file as? KtFile ?: return false
+        return isAvailable(project, editor, ktFile)
+    }
+
+    final override fun invoke(project: Project, editor: Editor?, file: PsiFile) {
+        val element = element ?: return
+        if (file is KtFile && FileModificationService.getInstance().prepareFileForWrite(element.containingFile)) {
+            invoke(project, editor, file)
+        }
+    }
+
+    protected abstract operator fun invoke(project: Project, editor: Editor?, file: KtFile)
+
+    override fun startInWriteAction() = true
+}

idea/resources-en/messages/KotlinBundle.properties

@@ -1040,9 +1040,6 @@ replace.with.publishedapi.bridge.call=Replace with @PublishedApi bridge call
 replace.with.generated.publishedapi.bridge.call.0=Replace with generated @PublishedApi bridge call ''{0}''
 convert.sealed.sub.class.to.object.fix.family.name=Convert sealed sub-class to object
 generate.identity.equals.fix.family.name=Generate equals \\& hashCode by identity
-and.delete.initializer=\ and delete initializer
-change.to.val=Change to val
-change.to.var=Change to var
 change.type.of.0.to.1=Change type of {0} to ''{1}''
 change.type.to.0=Change type to ''{0}''
 base.property.0=base property {0}

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

@@ -17,128 +17,44 @@
 package org.jetbrains.kotlin.idea.quickfix
 
 import com.intellij.codeInsight.intention.IntentionAction
-import com.intellij.openapi.editor.Editor
-import com.intellij.openapi.project.Project
-import com.intellij.psi.PsiElement
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.diagnostics.Diagnostic
 import org.jetbrains.kotlin.diagnostics.DiagnosticFactory1
 import org.jetbrains.kotlin.diagnostics.Errors
-import org.jetbrains.kotlin.idea.KotlinBundle
+import org.jetbrains.kotlin.idea.KotlinBundleIndependent
 import org.jetbrains.kotlin.idea.quickfix.createFromUsage.createCallable.CreatePropertyDelegateAccessorsActionFactory
-import org.jetbrains.kotlin.lexer.KtModifierKeywordToken
 import org.jetbrains.kotlin.lexer.KtTokens
-import org.jetbrains.kotlin.psi.*
+import org.jetbrains.kotlin.psi.KtProperty
+import org.jetbrains.kotlin.psi.KtValVarKeywordOwner
 import org.jetbrains.kotlin.psi.psiUtil.getStrictParentOfType
 import org.jetbrains.kotlin.resolve.DescriptorToSourceUtils
 import org.jetbrains.kotlin.util.OperatorNameConventions
 
-class ChangeVariableMutabilityFix(
-    element: KtValVarKeywordOwner,
-    private val makeVar: Boolean,
-    private val actionText: String? = null,
-    private val deleteInitializer: Boolean = false
-) : KotlinQuickFixAction<KtValVarKeywordOwner>(element) {
-
-    override fun getText() = actionText
-        ?: (if (makeVar) KotlinBundle.message("change.to.var") else KotlinBundle.message("change.to.val")) +
-        if (deleteInitializer) KotlinBundle.message("and.delete.initializer") else ""
-
-    override fun getFamilyName(): String = text
-
-    override fun isAvailable(project: Project, editor: Editor?, file: KtFile): Boolean {
-        val element = element ?: return false
-        val valOrVar = element.valOrVarKeyword?.node?.elementType ?: return false
-        return (valOrVar == KtTokens.VAR_KEYWORD) != makeVar
+class ReassignmentActionFactory(val factory: DiagnosticFactory1<*, DeclarationDescriptor>) : KotlinSingleIntentionActionFactory() {
+    override fun createAction(diagnostic: Diagnostic): IntentionAction? {
+        val propertyDescriptor = factory.cast(diagnostic).a
+        val declaration =
+            DescriptorToSourceUtils.descriptorToDeclaration(propertyDescriptor) as? KtValVarKeywordOwner ?: return null
+        return ChangeVariableMutabilityFix(declaration, true)
     }
+}
 
-    override fun invoke(project: Project, editor: Editor?, file: KtFile) {
-        val element = element ?: return
-        val factory = KtPsiFactory(project)
-        val newKeyword = if (makeVar) factory.createVarKeyword() else factory.createValKeyword()
-        element.valOrVarKeyword!!.replace(newKeyword)
-        if (deleteInitializer) {
-            (element as? KtProperty)?.initializer = null
-        }
-        if (makeVar) {
-            (element as? KtModifierListOwner)?.removeModifier(KtTokens.CONST_KEYWORD)
-        }
+// TODO: Move this to idea-fir-independent
+object ConstValFactory : KotlinSingleIntentionActionFactory() {
+    override fun createAction(diagnostic: Diagnostic): IntentionAction? {
+        val (modifier, element) = Errors.WRONG_MODIFIER_TARGET.cast(diagnostic).run { a to psiElement }
+        if (modifier != KtTokens.CONST_KEYWORD) return null
+        val property = element.getStrictParentOfType<KtProperty>() ?: return null
+        return ChangeVariableMutabilityFix(property, makeVar = false)
     }
+}
 
-    companion object {
-        val VAL_WITH_SETTER_FACTORY: KotlinSingleIntentionActionFactory = object : KotlinSingleIntentionActionFactory() {
-            override fun createAction(diagnostic: Diagnostic): IntentionAction? {
-                val accessor = diagnostic.psiElement as KtPropertyAccessor
-                return ChangeVariableMutabilityFix(accessor.property, true)
-            }
-        }
-
-        class ReassignmentActionFactory(val factory: DiagnosticFactory1<*, DeclarationDescriptor>) : KotlinSingleIntentionActionFactory() {
-            override fun createAction(diagnostic: Diagnostic): IntentionAction? {
-                val propertyDescriptor = factory.cast(diagnostic).a
-                val declaration =
-                    DescriptorToSourceUtils.descriptorToDeclaration(propertyDescriptor) as? KtValVarKeywordOwner ?: return null
-                return ChangeVariableMutabilityFix(declaration, true)
-            }
-        }
-
-        val VAL_REASSIGNMENT_FACTORY = ReassignmentActionFactory(Errors.VAL_REASSIGNMENT)
-
-        val CAPTURED_VAL_INITIALIZATION_FACTORY = ReassignmentActionFactory(Errors.CAPTURED_VAL_INITIALIZATION)
-
-        val CAPTURED_MEMBER_VAL_INITIALIZATION_FACTORY = ReassignmentActionFactory(Errors.CAPTURED_MEMBER_VAL_INITIALIZATION)
-
-        val VAR_OVERRIDDEN_BY_VAL_FACTORY: QuickFixesPsiBasedFactory<PsiElement> =
-            quickFixesPsiBasedFactory { psiElement: PsiElement ->
-                when (psiElement) {
-                    is KtProperty, is KtParameter -> listOf(ChangeVariableMutabilityFix(psiElement as KtValVarKeywordOwner, true))
-                    else -> emptyList()
-                }
-            }
-
-        val VAR_ANNOTATION_PARAMETER_FACTORY: KotlinSingleIntentionActionFactory = object : KotlinSingleIntentionActionFactory() {
-            override fun createAction(diagnostic: Diagnostic): IntentionAction? {
-                val element = diagnostic.psiElement as KtParameter
-                return ChangeVariableMutabilityFix(element, false)
-            }
-        }
-
-        val LATEINIT_VAL_FACTORY = object : KotlinSingleIntentionActionFactory() {
-            override fun createAction(diagnostic: Diagnostic): IntentionAction? {
-                val lateinitElement = Errors.INAPPLICABLE_LATEINIT_MODIFIER.cast(diagnostic).psiElement
-                val property = lateinitElement.getStrictParentOfType<KtProperty>() ?: return null
-                if (property.valOrVarKeyword.text != "val") return null
-                return ChangeVariableMutabilityFix(property, makeVar = true)
-            }
-        }
-
-        val CONST_VAL_FACTORY = object : KotlinSingleIntentionActionFactory() {
-            override fun createAction(diagnostic: Diagnostic): IntentionAction? {
-                val (modifier, element) = Errors.WRONG_MODIFIER_TARGET.cast(diagnostic).run { a to psiElement }
-                if (modifier != KtTokens.CONST_KEYWORD) return null
-                val property = element.getStrictParentOfType<KtProperty>() ?: return null
-                return ChangeVariableMutabilityFix(property, makeVar = false)
-            }
-        }
-
-        val DELEGATED_PROPERTY_VAL_FACTORY = object : KotlinSingleIntentionActionFactory() {
-            override fun createAction(diagnostic: Diagnostic): IntentionAction? {
-                val element = Errors.DELEGATE_SPECIAL_FUNCTION_MISSING.cast(diagnostic).psiElement
-                val property = element.getStrictParentOfType<KtProperty>() ?: return null
-                val info = CreatePropertyDelegateAccessorsActionFactory.extractFixData(property, diagnostic).singleOrNull() ?: return null
-                if (info.name != OperatorNameConventions.SET_VALUE.asString()) return null
-                return ChangeVariableMutabilityFix(property, makeVar = false, actionText = KotlinBundle.message("change.to.val"))
-            }
-        }
-
-        val MUST_BE_INITIALIZED_FACTORY = object : KotlinSingleIntentionActionFactory() {
-            override fun createAction(diagnostic: Diagnostic): IntentionAction? {
-                val property = Errors.MUST_BE_INITIALIZED.cast(diagnostic).psiElement as? KtProperty ?: return null
-                val getter = property.getter ?: return null
-                if (!getter.hasBody()) return null
-                if (getter.hasBlockBody() && property.typeReference == null) return null
-                return ChangeVariableMutabilityFix(property, makeVar = false)
-            }
-        }
+object DelegatedPropertyValFactory : KotlinSingleIntentionActionFactory() {
+    override fun createAction(diagnostic: Diagnostic): IntentionAction? {
+        val element = Errors.DELEGATE_SPECIAL_FUNCTION_MISSING.cast(diagnostic).psiElement
+        val property = element.getStrictParentOfType<KtProperty>() ?: return null
+        val info = CreatePropertyDelegateAccessorsActionFactory.extractFixData(property, diagnostic).singleOrNull() ?: return null
+        if (info.name != OperatorNameConventions.SET_VALUE.asString()) return null
+        return ChangeVariableMutabilityFix(property, makeVar = false, actionText = KotlinBundleIndependent.message("change.to.val"))
     }
-}
+}
\ No newline at end of file

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

@@ -142,7 +142,7 @@ class QuickFixRegistrar : QuickFixContributor {
             removeModifierFactory
         )
         REDUNDANT_MODIFIER_IN_GETTER.registerFactory(removeRedundantModifierFactory)
-        WRONG_MODIFIER_TARGET.registerFactory(removeModifierFactory, ChangeVariableMutabilityFix.CONST_VAL_FACTORY)
+        WRONG_MODIFIER_TARGET.registerFactory(removeModifierFactory, ConstValFactory)
         DEPRECATED_MODIFIER.registerFactory(ReplaceModifierFix)
         REDUNDANT_MODIFIER_FOR_TARGET.registerFactory(removeModifierFactory)
         WRONG_MODIFIER_CONTAINING_DECLARATION.registerFactory(removeModifierFactory)
@@ -222,10 +222,10 @@ class QuickFixRegistrar : QuickFixContributor {
 
         VAL_WITH_SETTER.registerFactory(ChangeVariableMutabilityFix.VAL_WITH_SETTER_FACTORY)
         VAL_REASSIGNMENT.registerFactory(
-            ChangeVariableMutabilityFix.VAL_REASSIGNMENT_FACTORY, LiftAssignmentOutOfTryFix, AssignToPropertyFix
+            ReassignmentActionFactory(VAL_REASSIGNMENT), LiftAssignmentOutOfTryFix, AssignToPropertyFix
         )
-        CAPTURED_VAL_INITIALIZATION.registerFactory(ChangeVariableMutabilityFix.CAPTURED_VAL_INITIALIZATION_FACTORY)
-        CAPTURED_MEMBER_VAL_INITIALIZATION.registerFactory(ChangeVariableMutabilityFix.CAPTURED_MEMBER_VAL_INITIALIZATION_FACTORY)
+        CAPTURED_VAL_INITIALIZATION.registerFactory(ReassignmentActionFactory(CAPTURED_VAL_INITIALIZATION))
+        CAPTURED_MEMBER_VAL_INITIALIZATION.registerFactory(ReassignmentActionFactory(CAPTURED_MEMBER_VAL_INITIALIZATION))
         VAR_OVERRIDDEN_BY_VAL.registerFactory(ChangeVariableMutabilityFix.VAR_OVERRIDDEN_BY_VAL_FACTORY)
         VAR_ANNOTATION_PARAMETER.registerFactory(ChangeVariableMutabilityFix.VAR_ANNOTATION_PARAMETER_FACTORY)
 
@@ -418,7 +418,7 @@ class QuickFixRegistrar : QuickFixContributor {
             CreateDataClassPropertyFromDestructuringActionFactory
         )
 
-        DELEGATE_SPECIAL_FUNCTION_MISSING.registerFactory(ChangeVariableMutabilityFix.DELEGATED_PROPERTY_VAL_FACTORY)
+        DELEGATE_SPECIAL_FUNCTION_MISSING.registerFactory(DelegatedPropertyValFactory)
         DELEGATE_SPECIAL_FUNCTION_MISSING.registerFactory(CreatePropertyDelegateAccessorsActionFactory)
         DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE.registerFactory(CreatePropertyDelegateAccessorsActionFactory)