Minor: Allow running member generation actions without editor

idea/idea-analysis/src/org/jetbrains/kotlin/idea/quickfix/generateUtil.kt

@@ -29,6 +29,7 @@ import org.jetbrains.kotlin.idea.util.ShortenReferences
 import org.jetbrains.kotlin.idea.util.application.runWriteAction
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.siblings
+import org.jetbrains.kotlin.psi.psiUtil.startOffset
 import org.jetbrains.kotlin.utils.ifEmpty
 
 public fun moveCaretIntoGeneratedElement(editor: Editor, element: PsiElement) {
@@ -100,10 +101,10 @@ public fun Editor.moveCaret(offset: Int, scrollType: ScrollType = ScrollType.REL
     getScrollingModel().scrollToCaret(scrollType)
 }
 
-private fun findInsertAfterAnchor(editor: Editor, body: JetClassBody): PsiElement? {
+private fun findInsertAfterAnchor(editor: Editor?, body: JetClassBody): PsiElement? {
     val afterAnchor = body.lBrace ?: return null
 
-    val offset = editor.caretModel.offset
+    val offset = editor?.caretModel?.offset ?: body.startOffset
     val offsetCursorElement = PsiTreeUtil.findFirstParent(body.containingFile.findElementAt(offset)) {
         it.parent == body
     }
@@ -143,7 +144,7 @@ private fun removeAfterOffset(offset: Int, whiteSpace: PsiWhiteSpace): PsiElemen
 }
 
 public fun <T : JetDeclaration> insertMembersAfter(
-        editor: Editor,
+        editor: Editor?,
         classOrObject: JetClassOrObject,
         members: Collection<T>,
         anchor: PsiElement? = null
@@ -161,7 +162,9 @@ public fun <T : JetDeclaration> insertMembersAfter(
 
         ShortenReferences.DEFAULT.process(insertedMembers)
 
-        moveCaretIntoGeneratedElement(editor, insertedMembers.first())
+        if (editor != null) {
+            moveCaretIntoGeneratedElement(editor, insertedMembers.first())
+        }
 
         insertedMembers
     }

idea/src/org/jetbrains/kotlin/idea/actions/generate/KotlinGenerateEqualsAndHashcodeAction.kt

@@ -125,7 +125,7 @@ class KotlinGenerateEqualsAndHashcodeAction : KotlinGenerateMemberActionBase<Kot
                                         Messages.getQuestionIcon()) == Messages.YES
     }
 
-    override fun prepareMembersInfo(klass: JetClassOrObject, project: Project, editor: Editor): Info? {
+    override fun prepareMembersInfo(klass: JetClassOrObject, project: Project, editor: Editor?): Info? {
         if (klass !is JetClass) throw AssertionError("Not a class: ${klass.getElementTextWithContext()}")
 
         val context = klass.analyzeFully()
@@ -273,7 +273,7 @@ class KotlinGenerateEqualsAndHashcodeAction : KotlinGenerateMemberActionBase<Kot
         }
     }
 
-    override fun generateMembers(project: Project, editor: Editor, info: Info): List<JetDeclaration> {
+    override fun generateMembers(project: Project, editor: Editor?, info: Info): List<JetDeclaration> {
         val targetClass = info.classDescriptor.source.getPsi() as JetClass
         val prototypes = ArrayList<JetDeclaration>(2)
                 .apply {

idea/src/org/jetbrains/kotlin/idea/actions/generate/KotlinGenerateMemberActionBase.kt

@@ -28,20 +28,26 @@ import org.jetbrains.kotlin.psi.JetClassOrObject
 import org.jetbrains.kotlin.psi.JetDeclaration
 
 abstract class KotlinGenerateMemberActionBase<Info : Any> : KotlinGenerateActionBase() {
-    protected abstract fun prepareMembersInfo(klass: JetClassOrObject, project: Project, editor: Editor): Info?
+    protected abstract fun prepareMembersInfo(klass: JetClassOrObject, project: Project, editor: Editor?): Info?
 
-    protected abstract fun generateMembers(project: Project, editor: Editor, info: Info): List<JetDeclaration>
+    protected abstract fun generateMembers(project: Project, editor: Editor?, info: Info): List<JetDeclaration>
 
     override fun invoke(project: Project, editor: Editor, file: PsiFile) {
         if (!CodeInsightUtilBase.prepareEditorForWrite(editor)) return
         if (!FileDocumentManager.getInstance().requestWriting(editor.document, project)) return
-        val klass = getTargetClass(editor, file) ?: return
+        val targetClass = getTargetClass(editor, file) ?: return
-        val membersInfo = prepareMembersInfo(klass, project, editor) ?: return
+        doInvoke(project, editor, targetClass)
+    }
+
+    fun doInvoke(project: Project, editor: Editor?, targetClass: JetClassOrObject) {
+        val membersInfo = prepareMembersInfo(targetClass, project, editor) ?: return
 
         project.executeWriteCommand(commandName, this) {
             val newMembers = generateMembers(project, editor, membersInfo)
             GlobalInspectionContextBase.cleanupElements(project, null, *newMembers.toTypedArray())
-            newMembers.firstOrNull()?.let { GenerateMembersUtil.positionCaret(editor, it, false) }
+            if (editor != null) {
+                newMembers.firstOrNull()?.let { GenerateMembersUtil.positionCaret(editor, it, false) }
+            }
         }
     }
 }

idea/src/org/jetbrains/kotlin/idea/actions/generate/KotlinGenerateSecondaryConstructorAction.kt

@@ -100,7 +100,7 @@ class KotlinGenerateSecondaryConstructorAction : KotlinGenerateMemberActionBase<
         }
     }
 
-    override fun prepareMembersInfo(klass: JetClassOrObject, project: Project, editor: Editor): Info? {
+    override fun prepareMembersInfo(klass: JetClassOrObject, project: Project, editor: Editor?): Info? {
         val context = klass.analyzeFully()
         val classDescriptor = context.get(BindingContext.CLASS, klass) ?: return null
         val superConstructors = chooseSuperConstructors(klass, classDescriptor).map { it.descriptor as ConstructorDescriptor }
@@ -108,7 +108,7 @@ class KotlinGenerateSecondaryConstructorAction : KotlinGenerateMemberActionBase<
         return Info(propertiesToInitialize, superConstructors, classDescriptor)
     }
 
-    override fun generateMembers(project: Project, editor: Editor, info: Info): List<JetDeclaration> {
+    override fun generateMembers(project: Project, editor: Editor?, info: Info): List<JetDeclaration> {
         val targetClass = info.classDescriptor.source.getPsi() as? JetClass ?: return emptyList()
 
         fun Info.findAnchor(): PsiElement? {