Extract Function/Parameter/Type Alias: Automatically quote declaration name when necessary

#KT-13157 Fixed

ChangeLog.md

@@ -243,6 +243,7 @@ Using 'this' as function argument in constructor of non-final class
 - [`KT-12945`](https://youtrack.jetbrains.com/issue/KT-12945) Rename: Fix function description in super method warning dialog
 - [`KT-12922`](https://youtrack.jetbrains.com/issue/KT-12922) Introduce Variable: Do not suggest expressions without type
 - [`KT-12943`](https://youtrack.jetbrains.com/issue/KT-12943) Rename: Show function signatures in "Rename Overloads" dialog
+- [`KT-13157`](https://youtrack.jetbrains.com/issue/KT-13157) Extract Function: Automatically quote function name if necessary
 
 ##### New features
 

idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/extractFunction/ui/KotlinExtractFunctionDialog.java

@@ -31,6 +31,7 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.kotlin.idea.KotlinFileType;
 import org.jetbrains.kotlin.idea.core.KotlinNameSuggester;
+import org.jetbrains.kotlin.idea.core.UtilsKt;
 import org.jetbrains.kotlin.idea.refactoring.KotlinRefactoringUtilKt;
 import org.jetbrains.kotlin.idea.refactoring.KotlinRefactoringBundle;
 import org.jetbrains.kotlin.idea.refactoring.introduce.extractionEngine.*;
@@ -91,7 +92,7 @@ public class KotlinExtractFunctionDialog extends DialogWrapper {
     }
 
     private String getFunctionName() {
-        return functionNameField.getEnteredName();
+        return UtilsKt.quoteIfNeeded(functionNameField.getEnteredName());
     }
 
     private String getVisibility() {

idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/extractionEngine/extractorUtil.kt

@@ -270,7 +270,7 @@ private fun makeCall(
         }
     }
 
-    val calleeName = declaration.name
+    val calleeName = declaration.name?.quoteIfNeeded()
     val callText = when (declaration) {
         is KtNamedFunction -> {
             val argumentsText = arguments.joinToString(separator = ", ", prefix = "(", postfix = ")")

idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/introduceParameter/KotlinIntroduceParameterDialog.kt

@@ -27,6 +27,7 @@ import com.intellij.ui.NonFocusableCheckBox
 import com.intellij.usageView.BaseUsageViewDescriptor
 import com.intellij.usageView.UsageInfo
 import org.jetbrains.kotlin.idea.KotlinFileType
+import org.jetbrains.kotlin.idea.core.quoteIfNeeded
 import org.jetbrains.kotlin.idea.refactoring.isMultiLine
 import org.jetbrains.kotlin.idea.refactoring.runRefactoringWithPostprocessing
 import org.jetbrains.kotlin.idea.refactoring.validateElement
@@ -230,7 +231,7 @@ class KotlinIntroduceParameterDialog private constructor(
 
     override fun canRun() {
         val psiFactory = KtPsiFactory(myProject)
-        psiFactory.createSimpleName(nameField.enteredName).validateElement("Invalid parameter name")
+        psiFactory.createSimpleName(nameField.enteredName.quoteIfNeeded()).validateElement("Invalid parameter name")
         psiFactory.createType(typeField.enteredName).validateElement("Invalid parameter type")
     }
 
@@ -256,7 +257,7 @@ class KotlinIntroduceParameterDialog private constructor(
                             return KtPsiFactory(myProject).createExpression(text)
                         }
 
-                        val chosenName = nameField.enteredName
+                        val chosenName = nameField.enteredName.quoteIfNeeded()
                         var chosenType = typeField.enteredName
                         var newArgumentValue = descriptor.newArgumentValue
                         var newReplacer = descriptor.occurrenceReplacer

idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/introduceParameter/KotlinIntroduceParameterHandler.kt

@@ -37,10 +37,7 @@ import org.jetbrains.kotlin.idea.caches.resolve.analyze
 import org.jetbrains.kotlin.idea.caches.resolve.getResolutionFacade
 import org.jetbrains.kotlin.idea.caches.resolve.resolveToDescriptor
 import org.jetbrains.kotlin.idea.codeInsight.CodeInsightUtils
-import org.jetbrains.kotlin.idea.core.KotlinNameSuggester
-import org.jetbrains.kotlin.idea.core.NewDeclarationNameValidator
-import org.jetbrains.kotlin.idea.core.moveInsideParenthesesAndReplaceWith
-import org.jetbrains.kotlin.idea.core.replaced
+import org.jetbrains.kotlin.idea.core.*
 import org.jetbrains.kotlin.idea.refactoring.KotlinRefactoringBundle
 import org.jetbrains.kotlin.idea.refactoring.changeSignature.*
 import org.jetbrains.kotlin.idea.refactoring.introduce.*
@@ -319,7 +316,7 @@ open class KotlinIntroduceParameterHandler(
                                             originalRange = originalExpression.toRange(),
                                             callable = targetParent,
                                             callableDescriptor = functionDescriptor,
-                                            newParameterName = suggestedNames.first(),
+                                            newParameterName = suggestedNames.first().quoteIfNeeded(),
                                             newParameterTypeText = IdeDescriptorRenderers.SOURCE_CODE_SHORT_NAMES_IN_TYPES.renderType(replacementType),
                                             argumentValue = originalExpression,
                                             withDefaultValue = false,

idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/introduceTypeAlias/introduceTypeAliasImpl.kt

@@ -26,6 +26,7 @@ import org.jetbrains.kotlin.idea.caches.resolve.resolveToDescriptor
 import org.jetbrains.kotlin.idea.core.CollectingNameValidator
 import org.jetbrains.kotlin.idea.core.KotlinNameSuggester
 import org.jetbrains.kotlin.idea.core.compareDescriptors
+import org.jetbrains.kotlin.idea.core.quoteIfNeeded
 import org.jetbrains.kotlin.idea.util.getResolutionScope
 import org.jetbrains.kotlin.idea.util.psi.patternMatching.KotlinPsiRange
 import org.jetbrains.kotlin.idea.util.psi.patternMatching.KotlinPsiUnifier
@@ -149,7 +150,7 @@ fun IntroduceTypeAliasDescriptor.validate(): IntroduceTypeAliasDescriptorWithCon
 }
 
 fun findDuplicates(typeAlias: KtTypeAlias): Map<KotlinPsiRange, () -> Unit> {
-    val aliasName = typeAlias.name ?: return emptyMap()
+    val aliasName = typeAlias.name?.quoteIfNeeded() ?: return emptyMap()
     val typeAliasDescriptor = typeAlias.resolveToDescriptor() as TypeAliasDescriptor
 
     val unifierParameters = typeAliasDescriptor.declaredTypeParameters.map { UnifierParameter(it, null) }

idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/introduceTypeAlias/ui/KotlinIntroduceTypeAliasDialog.java

@@ -29,6 +29,7 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.kotlin.idea.KotlinFileType;
 import org.jetbrains.kotlin.idea.core.KotlinNameSuggester;
+import org.jetbrains.kotlin.idea.core.UtilsKt;
 import org.jetbrains.kotlin.idea.refactoring.KotlinRefactoringUtilKt;
 import org.jetbrains.kotlin.idea.refactoring.introduce.introduceTypeAlias.IntroduceTypeAliasDescriptor;
 import org.jetbrains.kotlin.idea.refactoring.introduce.introduceTypeAlias.IntroduceTypeAliasImplKt;
@@ -93,7 +94,7 @@ public class KotlinIntroduceTypeAliasDialog extends DialogWrapper {
     }
 
     private String getAliasName() {
-        return aliasNameField.getEnteredName();
+        return UtilsKt.quoteIfNeeded(aliasNameField.getEnteredName());
     }
 
     @Nullable