172: Revert "Quick Fixes: Support cross-language "Create from Usage" with Kotlin target"

This reverts commit 908bf71
This commit is contained in:
Vyacheslav Gerasimov
2018-01-18 02:20:03 +03:00
committed by Nikolay Krasko
parent 747f397f40
commit 8d3f71a04f
42 changed files with 3908 additions and 501 deletions
@@ -0,0 +1,56 @@
/*
* 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.resolve.annotations
import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.descriptors.annotations.AnnotationDescriptor
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.DescriptorUtils
import org.jetbrains.kotlin.resolve.constants.ConstantValue
import org.jetbrains.kotlin.resolve.constants.ErrorValue
private val JVM_STATIC_ANNOTATION_FQ_NAME = FqName("kotlin.jvm.JvmStatic")
val JVM_FIELD_ANNOTATION_FQ_NAME = FqName("kotlin.jvm.JvmField")
val JVM_DEFAULT_FQ_NAME = FqName("kotlin.jvm.JvmDefault")
fun CallableMemberDescriptor.hasJvmDefaultAnnotation() =
DescriptorUtils.getDirectMember(this).annotations.hasAnnotation(JVM_DEFAULT_FQ_NAME)
fun DeclarationDescriptor.hasJvmStaticAnnotation(): Boolean {
return annotations.findAnnotation(JVM_STATIC_ANNOTATION_FQ_NAME) != null
}
private val JVM_SYNTHETIC_ANNOTATION_FQ_NAME = FqName("kotlin.jvm.JvmSynthetic")
fun DeclarationDescriptor.hasJvmSyntheticAnnotation() = findJvmSyntheticAnnotation() != null
fun DeclarationDescriptor.findJvmSyntheticAnnotation() =
DescriptorUtils.getAnnotationByFqName(annotations, JVM_SYNTHETIC_ANNOTATION_FQ_NAME)
private val STRICTFP_ANNOTATION_FQ_NAME = FqName("kotlin.jvm.Strictfp")
fun DeclarationDescriptor.findStrictfpAnnotation() =
DescriptorUtils.getAnnotationByFqName(annotations, STRICTFP_ANNOTATION_FQ_NAME)
fun AnnotationDescriptor.argumentValue(parameterName: String): ConstantValue<*>? {
return allValueArguments[Name.identifier(parameterName)].takeUnless { it is ErrorValue }
}
@@ -0,0 +1,848 @@
/*
* Copyright 2000-2018 JetBrains s.r.o. 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.psi
import com.intellij.openapi.project.Project
import com.intellij.openapi.util.Key
import com.intellij.psi.PsiComment
import com.intellij.psi.PsiElement
import com.intellij.psi.PsiFileFactory
import com.intellij.psi.util.PsiTreeUtil
import com.intellij.util.LocalTimeCounter
import org.jetbrains.kotlin.idea.KotlinFileType
import org.jetbrains.kotlin.lexer.KtModifierKeywordToken
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.ImportPath
@JvmOverloads
fun KtPsiFactory(project: Project?, markGenerated: Boolean = true): KtPsiFactory = KtPsiFactory(project!!, markGenerated)
@JvmOverloads
fun KtPsiFactory(elementForProject: PsiElement, markGenerated: Boolean = true): KtPsiFactory =
KtPsiFactory(elementForProject.project, markGenerated)
private val DO_NOT_ANALYZE_NOTIFICATION = "This file was created by KtPsiFactory and should not be analyzed\n" +
"Use createAnalyzableFile to create file that can be analyzed\n"
var KtFile.doNotAnalyze: String? by UserDataProperty(Key.create("DO_NOT_ANALYZE"))
var KtFile.analysisContext: PsiElement? by UserDataProperty(Key.create("ANALYSIS_CONTEXT"))
/**
* @param markGenerated This needs to be set to true if the `KtPsiFactory` is going to be used for creating elements that are going
* to be inserted in the user source code (this ensures that the elements will be formatted correctly). In other cases, `markGenerated`
* should be false, which saves time and memory.
*/
class KtPsiFactory @JvmOverloads constructor(private val project: Project, val markGenerated: Boolean = true) {
fun createValKeyword(): PsiElement {
val property = createProperty("val x = 1")
return property.valOrVarKeyword
}
fun createVarKeyword(): PsiElement {
val property = createProperty("var x = 1")
return property.valOrVarKeyword
}
private fun doCreateExpression(text: String): KtExpression? {
//NOTE: '\n' below is important - some strange code indenting problems appear without it
return createProperty("val x =\n$text").initializer
}
fun createExpression(text: String): KtExpression {
val expression = doCreateExpression(text) ?: error("Failed to create expression from text: '$text'")
assert(expression.text == text) {
"Failed to create expression from text: '$text', resulting expression's text was: '${expression.text}'"
}
return expression
}
fun createExpressionIfPossible(text: String): KtExpression? {
val expression = doCreateExpression(text) ?: return null
return if (expression.text == text) expression else null
}
fun createThisExpression() =
(createExpression("this.x") as KtQualifiedExpression).receiverExpression as KtThisExpression
fun createThisExpression(qualifier: String) =
(createExpression("this@$qualifier.x") as KtQualifiedExpression).receiverExpression as KtThisExpression
fun createCallArguments(text: String): KtValueArgumentList {
val property = createProperty("val x = foo $text")
return (property.initializer as KtCallExpression).valueArgumentList!!
}
fun createTypeArguments(text: String): KtTypeArgumentList {
val property = createProperty("val x = foo$text()")
return (property.initializer as KtCallExpression).typeArgumentList!!
}
fun createTypeArgument(text: String) = createTypeArguments("<$text>").arguments.first()
fun createType(type: String): KtTypeReference {
val typeReference = createTypeIfPossible(type)
if (typeReference == null || typeReference.text != type) {
throw IllegalArgumentException("Incorrect type: $type")
}
return typeReference
}
fun createType(typeElement: KtTypeElement) = createType("X").apply { this.typeElement!!.replace(typeElement) }
fun createTypeIfPossible(type: String): KtTypeReference? {
val typeReference = createProperty("val x : $type").typeReference
return if (typeReference?.text == type) typeReference else null
}
fun createFunctionTypeReceiver(typeReference: KtTypeReference): KtFunctionTypeReceiver {
return (createType("A.() -> B").typeElement as KtFunctionType).receiver!!.apply { this.typeReference.replace(typeReference) }
}
fun createFunctionTypeParameter(typeReference: KtTypeReference): KtParameter {
return (createType("(A) -> B").typeElement as KtFunctionType).parameters.first()
.apply { this.typeReference!!.replace(typeReference) }
}
fun createTypeAlias(name: String, typeParameters: List<String>, typeElement: KtTypeElement): KtTypeAlias {
return createTypeAlias(name, typeParameters, "X").apply { getTypeReference()!!.replace(createType(typeElement)) }
}
fun createTypeAlias(name: String, typeParameters: List<String>, body: String): KtTypeAlias {
val typeParametersText = if (typeParameters.isNotEmpty()) typeParameters.joinToString(prefix = "<", postfix = ">") else ""
return createDeclaration("typealias $name$typeParametersText = $body")
}
fun createStar(): PsiElement {
return createType("List<*>").findElementAt(5)!!
}
fun createComma(): PsiElement {
return createType("T<X, Y>").findElementAt(3)!!
}
fun createDot(): PsiElement {
return createType("T.(X)").findElementAt(1)!!
}
fun createColon(): PsiElement {
return createProperty("val x: Int").findElementAt(5)!!
}
fun createEQ(): PsiElement {
return createFunction("fun foo() = foo").equalsToken!!
}
fun createSemicolon(): PsiElement {
return createProperty("val x: Int;").findElementAt(10)!!
}
//the pair contains the first and the last elements of a range
fun createWhitespaceAndArrow(): Pair<PsiElement, PsiElement> {
val functionType = createType("() -> Int").typeElement as KtFunctionType
return Pair(functionType.findElementAt(2)!!, functionType.findElementAt(3)!!)
}
fun createWhiteSpace(): PsiElement {
return createWhiteSpace(" ")
}
fun createWhiteSpace(text: String): PsiElement {
return createProperty("val${text}x: Int").findElementAt(3)!!
}
// Remove when all Java usages are rewritten to Kotlin
fun createNewLine(): PsiElement {
return createWhiteSpace("\n ")
}
fun createNewLine(lineBreaks: Int): PsiElement {
return createWhiteSpace("\n".repeat(lineBreaks))
}
fun createClass(text: String): KtClass {
return createDeclaration(text)
}
fun createObject(text: String): KtObjectDeclaration {
return createDeclaration(text)
}
fun createCompanionObject(): KtObjectDeclaration {
return createCompanionObject("companion object {\n}")
}
fun createCompanionObject(text: String): KtObjectDeclaration {
return createClass("class A {\n $text\n}").companionObjects.first()
}
fun createFileAnnotation(annotationText: String): KtAnnotationEntry {
return createFileAnnotationListWithAnnotation(annotationText).annotationEntries.first()
}
fun createFileAnnotationListWithAnnotation(annotationText: String): KtFileAnnotationList {
return createFile("@file:$annotationText").fileAnnotationList!!
}
fun createFile(text: String): KtFile {
return createFile("dummy.kt", text)
}
private fun doCreateFile(fileName: String, text: String): KtFile {
return PsiFileFactory.getInstance(project).createFileFromText(
fileName,
KotlinFileType.INSTANCE,
text,
LocalTimeCounter.currentTime(),
false,
markGenerated
) as KtFile
}
fun createFile(fileName: String, text: String): KtFile {
val file = doCreateFile(fileName, text)
file.doNotAnalyze = DO_NOT_ANALYZE_NOTIFICATION
return file
}
fun createAnalyzableFile(fileName: String, text: String, contextToAnalyzeIn: PsiElement): KtFile {
val file = doCreateFile(fileName, text)
file.analysisContext = contextToAnalyzeIn
return file
}
fun createFileWithLightClassSupport(fileName: String, text: String, contextToAnalyzeIn: PsiElement): KtFile {
val file = createPhysicalFile(fileName, text)
file.analysisContext = contextToAnalyzeIn
return file
}
fun createPhysicalFile(fileName: String, text: String): KtFile {
return PsiFileFactory.getInstance(project).createFileFromText(
fileName,
KotlinFileType.INSTANCE,
text,
LocalTimeCounter.currentTime(),
true
) as KtFile
}
fun createProperty(modifiers: String?, name: String, type: String?, isVar: Boolean, initializer: String?): KtProperty {
val text = modifiers.let { "$it " } +
(if (isVar) " var " else " val ") + name +
(if (type != null) ":" + type else "") + (if (initializer == null) "" else " = " + initializer)
return createProperty(text)
}
fun createProperty(name: String, type: String?, isVar: Boolean, initializer: String?): KtProperty {
return createProperty(null, name, type, isVar, initializer)
}
fun createProperty(name: String, type: String?, isVar: Boolean): KtProperty {
return createProperty(name, type, isVar, null)
}
fun createProperty(text: String): KtProperty {
return createDeclaration(text)
}
fun createPropertyGetter(expression: KtExpression): KtPropertyAccessor {
val property = createProperty("val x get() = 1")
val getter = property.getter!!
val bodyExpression = getter.bodyExpression!!
bodyExpression.replace(expression)
return getter
}
fun createPropertySetter(expression: KtExpression): KtPropertyAccessor {
val property = if (expression is KtBlockExpression)
createProperty("val x get() = 1\nset(value) {\n field = value\n }")
else
createProperty("val x get() = 1\nset(value) = TODO()")
val setter = property.setter!!
val bodyExpression = setter.bodyExpression!!
bodyExpression.replace(expression)
return setter
}
fun createDestructuringDeclaration(text: String): KtDestructuringDeclaration {
return (createFunction("fun foo() {$text}").bodyExpression as KtBlockExpression).statements.first() as KtDestructuringDeclaration
}
fun createDestructuringParameter(text: String): KtParameter {
val dummyFun = createFunction("fun foo() = { $text -> }")
return (dummyFun.bodyExpression as KtLambdaExpression).functionLiteral.valueParameters.first()
}
fun <TDeclaration : KtDeclaration> createDeclaration(text: String): TDeclaration {
val file = createFile(text)
val declarations = file.declarations
assert(declarations.size == 1) { "${declarations.size} declarations in $text" }
return declarations.first() as TDeclaration
}
fun createNameIdentifier(name: String) = createNameIdentifierIfPossible(name)!!
fun createNameIdentifierIfPossible(name: String) = createProperty(name, null, false).nameIdentifier
fun createSimpleName(name: String): KtSimpleNameExpression {
return createProperty(name, null, false, name).initializer as KtSimpleNameExpression
}
fun createOperationName(name: String): KtSimpleNameExpression {
return (createExpression("0 $name 0") as KtBinaryExpression).operationReference
}
fun createIdentifier(name: String): PsiElement {
return createSimpleName(name).getIdentifier()!!
}
fun createFunction(funDecl: String): KtNamedFunction {
return createDeclaration(funDecl)
}
fun createCallableReferenceExpression(text: String) = createExpression(text) as? KtCallableReferenceExpression
fun createSecondaryConstructor(decl: String): KtSecondaryConstructor {
return createClass("class Foo {\n $decl \n}").secondaryConstructors.first()
}
fun createModifierList(modifier: KtModifierKeywordToken): KtModifierList {
return createModifierList(modifier.value)
}
fun createModifierList(text: String): KtModifierList {
return createProperty(text + " val x").modifierList!!
}
fun createModifier(modifier: KtModifierKeywordToken): PsiElement {
return createModifierList(modifier.value).getModifier(modifier)!!
}
fun createAnnotationEntry(text: String): KtAnnotationEntry {
val modifierList = createProperty(text + " val x").modifierList
return modifierList!!.annotationEntries.first()
}
fun createEmptyBody(): KtBlockExpression {
return createFunction("fun foo() {}").bodyExpression as KtBlockExpression
}
fun createAnonymousInitializer(): KtAnonymousInitializer {
return createClass("class A { init {} }").getAnonymousInitializers().first()
}
fun createEmptyClassBody(): KtClassBody {
return createClass("class A(){}").getBody()!!
}
fun createParameter(text: String): KtParameter {
return createClass("class A($text)").primaryConstructorParameters.first()
}
fun createParameterList(text: String): KtParameterList {
return createFunction("fun foo$text{}").valueParameterList!!
}
fun createTypeParameterList(text: String) = createClass("class Foo$text").typeParameterList!!
fun createTypeParameter(text: String) = createTypeParameterList("<$text>").parameters.first()!!
fun createLambdaParameterListIfAny(text: String) =
createLambdaExpression(text, "0").functionLiteral.valueParameterList
fun createLambdaParameterList(text: String) = createLambdaParameterListIfAny(text)!!
fun createLambdaExpression(parameters: String, body: String): KtLambdaExpression =
(if (parameters.isNotEmpty()) createExpression("{ $parameters -> $body }")
else createExpression("{ $body }")) as KtLambdaExpression
fun createEnumEntry(text: String): KtEnumEntry {
return createDeclaration<KtClass>("enum class E {$text}").declarations[0] as KtEnumEntry
}
fun createEnumEntryInitializerList(): KtInitializerList {
return createEnumEntry("Entry()").initializerList!!
}
fun createWhenEntry(entryText: String): KtWhenEntry {
val function = createFunction("fun foo() { when(12) { $entryText } }")
val whenEntry = PsiTreeUtil.findChildOfType(function, KtWhenEntry::class.java)
assert(whenEntry != null) { "Couldn't generate when entry" }
assert(entryText == whenEntry!!.text) { "Generate when entry text differs from the given text" }
return whenEntry
}
fun createWhenCondition(conditionText: String): KtWhenCondition {
val whenEntry = createWhenEntry("$conditionText -> {}")
return whenEntry.conditions[0]
}
fun createBlockStringTemplateEntry(expression: KtExpression): KtStringTemplateEntryWithExpression {
// We don't want reformatting here as it can potentially change something in raw strings
val stringTemplateExpression = createExpressionByPattern("\"$\${$0}\"", expression, reformat = false) as KtStringTemplateExpression
return stringTemplateExpression.entries[0] as KtStringTemplateEntryWithExpression
}
fun createSimpleNameStringTemplateEntry(name: String): KtSimpleNameStringTemplateEntry {
val stringTemplateExpression = createExpression("\"\$$name\"") as KtStringTemplateExpression
return stringTemplateExpression.entries[0] as KtSimpleNameStringTemplateEntry
}
fun createStringTemplate(content: String) = createExpression("\"$content\"") as KtStringTemplateExpression
fun createPackageDirective(fqName: FqName): KtPackageDirective {
return createFile("package ${fqName.asString()}").packageDirective!!
}
fun createPackageDirectiveIfNeeded(fqName: FqName): KtPackageDirective? {
return if (fqName.isRoot) null else createPackageDirective(fqName)
}
fun createImportDirective(importPath: ImportPath): KtImportDirective {
if (importPath.fqName.isRoot) {
throw IllegalArgumentException("import path must not be empty")
}
val file = createFile(buildString { appendImport(importPath) })
return file.importDirectives.first()
}
private fun StringBuilder.appendImport(importPath: ImportPath) {
if (importPath.fqName.isRoot) {
throw IllegalArgumentException("import path must not be empty")
}
append("import ")
append(importPath.pathStr)
val alias = importPath.alias
if (alias != null) {
append(" as ").append(alias.asString())
}
}
fun createImportDirectives(paths: Collection<ImportPath>): List<KtImportDirective> {
val fileContent = buildString {
for (path in paths) {
appendImport(path)
append('\n')
}
}
val file = createFile(fileContent)
return file.importDirectives
}
fun createPrimaryConstructor(text: String = ""): KtPrimaryConstructor {
return createClass(if (text.isNotEmpty()) "class A $text" else "class A()").primaryConstructor!!
}
fun createPrimaryConstructorWithModifiers(modifiers: String?): KtPrimaryConstructor {
return modifiers?.let { createPrimaryConstructor("$it constructor()") } ?: createPrimaryConstructor()
}
fun createConstructorKeyword(): PsiElement =
createClass("class A constructor()").primaryConstructor!!.getConstructorKeyword()!!
fun createLabeledExpression(labelName: String): KtLabeledExpression = createExpression("$labelName@ 1") as KtLabeledExpression
fun createTypeCodeFragment(text: String, context: PsiElement?): KtTypeCodeFragment {
return KtTypeCodeFragment(project, "fragment.kt", text, context)
}
fun createExpressionCodeFragment(text: String, context: PsiElement?): KtExpressionCodeFragment {
return KtExpressionCodeFragment(project, "fragment.kt", text, null, context)
}
fun createBlockCodeFragment(text: String, context: PsiElement?): KtBlockCodeFragment {
return KtBlockCodeFragment(project, "fragment.kt", text, null, context)
}
fun createIf(condition: KtExpression, thenExpr: KtExpression, elseExpr: KtExpression? = null): KtIfExpression {
return (if (elseExpr != null)
createExpressionByPattern("if ($0) $1 else $2", condition, thenExpr, elseExpr) as KtIfExpression
else
createExpressionByPattern("if ($0) $1", condition, thenExpr)) as KtIfExpression
}
fun createArgument(expression: KtExpression?, name: Name? = null, isSpread: Boolean = false): KtValueArgument {
val argumentList = buildByPattern({ pattern, args -> createByPattern(pattern, *args) { createCallArguments(it) } }) {
appendFixedText("(")
if (name != null) {
appendName(name)
appendFixedText("=")
}
if (isSpread) {
appendFixedText("*")
}
appendExpression(expression)
appendFixedText(")")
}
return argumentList.arguments.single()
}
fun createArgument(text: String) = createCallArguments("($text)").arguments.first()!!
fun createSuperTypeCallEntry(text: String): KtSuperTypeCallEntry {
return createClass("class A: $text").superTypeListEntries.first() as KtSuperTypeCallEntry
}
fun createSuperTypeEntry(text: String): KtSuperTypeEntry {
return createClass("class A: $text").superTypeListEntries.first() as KtSuperTypeEntry
}
fun creareDelegatedSuperTypeEntry(text: String): KtConstructorDelegationCall {
val colonOrEmpty = if (text.isEmpty()) "" else ": "
return createClass("class A { constructor()$colonOrEmpty$text {}").secondaryConstructors.first().getDelegationCall()
}
class ClassHeaderBuilder {
enum class State {
MODIFIERS,
NAME,
TYPE_PARAMETERS,
BASE_CLASS,
TYPE_CONSTRAINTS,
DONE
}
private val sb = StringBuilder()
private var state = State.MODIFIERS
fun modifier(modifier: String): ClassHeaderBuilder {
assert(state == State.MODIFIERS)
sb.append(modifier)
return this
}
private fun placeKeyword() {
assert(state == State.MODIFIERS)
if (sb.isNotEmpty()) {
sb.append(" ")
}
sb.append("class ")
state = State.NAME
}
fun name(name: String): ClassHeaderBuilder {
placeKeyword()
sb.append(name)
state = State.TYPE_PARAMETERS
return this
}
private fun appendInAngleBrackets(values: Collection<String>) {
if (values.isNotEmpty()) {
sb.append(values.joinToString(", ", "<", ">"))
}
}
fun typeParameters(values: Collection<String>): ClassHeaderBuilder {
assert(state == State.TYPE_PARAMETERS)
appendInAngleBrackets(values)
state = State.BASE_CLASS
return this
}
fun baseClass(name: String, typeArguments: Collection<String>, isInterface: Boolean): ClassHeaderBuilder {
assert(state == State.BASE_CLASS)
sb.append(" : $name")
appendInAngleBrackets(typeArguments)
if (!isInterface) {
sb.append("()")
}
state = State.TYPE_CONSTRAINTS
return this
}
fun typeConstraints(values: Collection<String>): ClassHeaderBuilder {
assert(state == State.TYPE_CONSTRAINTS)
if (!values.isEmpty()) {
sb.append(values.joinToString(", ", " where ", "", -1, ""))
}
state = State.DONE
return this
}
fun transform(f: StringBuilder.() -> Unit) = sb.f()
fun asString(): String {
if (state != State.DONE) {
state = State.DONE
}
return sb.toString()
}
}
class CallableBuilder(private val target: Target) {
companion object {
val CONSTRUCTOR_NAME = KtTokens.CONSTRUCTOR_KEYWORD.value
}
enum class Target {
FUNCTION,
CONSTRUCTOR,
READ_ONLY_PROPERTY
}
enum class State {
MODIFIERS,
NAME,
RECEIVER,
FIRST_PARAM,
REST_PARAMS,
TYPE_CONSTRAINTS,
BODY,
DONE
}
private val sb = StringBuilder()
private var state = State.MODIFIERS
private fun closeParams() {
if (target == Target.FUNCTION || target == Target.CONSTRUCTOR) {
assert(state == State.FIRST_PARAM || state == State.REST_PARAMS)
sb.append(")")
}
state = State.TYPE_CONSTRAINTS
}
private fun placeKeyword() {
assert(state == State.MODIFIERS)
if (sb.isNotEmpty() && !sb.endsWith(" ")) {
sb.append(" ")
}
val keyword = when (target) {
Target.FUNCTION -> "fun"
Target.CONSTRUCTOR -> ""
Target.READ_ONLY_PROPERTY -> "val"
}
sb.append("$keyword ")
state = State.RECEIVER
}
private fun bodyPrefix(breakLine: Boolean = true) = when (target) {
Target.FUNCTION, Target.CONSTRUCTOR -> ""
Target.READ_ONLY_PROPERTY -> (if (breakLine) "\n" else " ") + "get()"
}
fun modifier(modifier: String): CallableBuilder {
assert(state == State.MODIFIERS)
sb.append(modifier)
return this
}
fun typeParams(values: Collection<String> = emptyList()): CallableBuilder {
placeKeyword()
if (!values.isEmpty()) {
sb.append(values.joinToString(", ", "<", "> ", -1, ""))
}
return this
}
fun receiver(receiverType: String): CallableBuilder {
assert(state == State.RECEIVER)
sb.append(receiverType).append(".")
state = State.NAME
return this
}
fun name(name: String = CONSTRUCTOR_NAME): CallableBuilder {
assert(state == State.NAME || state == State.RECEIVER)
assert(name != CONSTRUCTOR_NAME || target == Target.CONSTRUCTOR)
sb.append(name)
state = when (target) {
Target.FUNCTION, Target.CONSTRUCTOR -> {
sb.append("(")
State.FIRST_PARAM
}
else ->
State.TYPE_CONSTRAINTS
}
return this
}
fun param(name: String, type: String, defaultValue: String? = null): CallableBuilder {
assert(target == Target.FUNCTION || target == Target.CONSTRUCTOR)
assert(state == State.FIRST_PARAM || state == State.REST_PARAMS)
if (state == State.REST_PARAMS) {
sb.append(", ")
}
sb.append(name).append(": ").append(type)
if (defaultValue != null) {
sb.append(" = ").append(defaultValue)
}
if (state == State.FIRST_PARAM) {
state = State.REST_PARAMS
}
return this
}
fun returnType(type: String): CallableBuilder {
closeParams()
sb.append(": ").append(type)
return this
}
fun noReturnType(): CallableBuilder {
closeParams()
return this
}
fun typeConstraints(values: Collection<String>): CallableBuilder {
assert(state == State.TYPE_CONSTRAINTS && target != Target.CONSTRUCTOR)
if (!values.isEmpty()) {
sb.append(values.joinToString(", ", " where ", "", -1, ""))
}
state = State.BODY
return this
}
fun superDelegation(argumentList: String): CallableBuilder {
assert(state == State.TYPE_CONSTRAINTS && target == Target.CONSTRUCTOR)
sb.append(": super").append(argumentList)
state = State.BODY
return this
}
fun blockBody(body: String): CallableBuilder {
assert(state == State.BODY || state == State.TYPE_CONSTRAINTS)
sb.append(bodyPrefix()).append(" {\n").append(body).append("\n}")
state = State.DONE
return this
}
fun getterExpression(expression: String, breakLine: Boolean = true): CallableBuilder {
assert(target == Target.READ_ONLY_PROPERTY)
assert(state == State.BODY || state == State.TYPE_CONSTRAINTS)
sb.append(bodyPrefix(breakLine)).append(" = ").append(expression)
state = State.DONE
return this
}
fun initializer(body: String): CallableBuilder {
assert(target == Target.READ_ONLY_PROPERTY && (state == State.BODY || state == State.TYPE_CONSTRAINTS))
sb.append(" = ").append(body)
state = State.DONE
return this
}
fun lazyBody(body: String): CallableBuilder {
assert(target == Target.READ_ONLY_PROPERTY && (state == State.BODY || state == State.TYPE_CONSTRAINTS))
sb.append(" by kotlin.lazy {\n").append(body).append("\n}")
state = State.DONE
return this
}
fun transform(f: StringBuilder.() -> Unit) = sb.f()
fun asString(): String {
if (state != State.DONE) {
state = State.DONE
}
return sb.toString()
}
}
fun createBlock(bodyText: String): KtBlockExpression {
return createFunction("fun foo() {\n$bodyText\n}").bodyExpression as KtBlockExpression
}
fun createSingleStatementBlock(statement: KtExpression, prevComment: String? = null, nextComment: String? = null): KtBlockExpression {
val prev = if (prevComment == null) "" else " $prevComment "
val next = if (nextComment == null) "" else " $nextComment "
return createDeclarationByPattern<KtNamedFunction>("fun foo() {\n$prev$0$next\n}", statement).bodyExpression as KtBlockExpression
}
fun createComment(text: String): PsiComment {
val file = createFile(text)
val comments = file.children.filterIsInstance<PsiComment>()
val comment = comments.single()
assert(comment.text == text)
return comment
}
// special hack used in ControlStructureTypingVisitor
// TODO: get rid of it
fun wrapInABlockWrapper(expression: KtExpression): KtBlockExpression {
if (expression is KtBlockExpression) {
return expression
}
val function = createFunction("fun f() { ${expression.text} }")
val block = function.bodyExpression as KtBlockExpression
return BlockWrapper(block, expression)
}
private class BlockWrapper(fakeBlockExpression: KtBlockExpression, private val expression: KtExpression) :
KtBlockExpression(fakeBlockExpression.node), KtPsiUtil.KtExpressionWrapper {
override fun getStatements(): List<KtExpression> {
return listOf(expression)
}
override fun getBaseExpression(): KtExpression {
return expression
}
}
}
@@ -0,0 +1,460 @@
/*
* 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.core
import com.intellij.psi.PsiElement
import com.intellij.psi.PsiWhiteSpace
import com.intellij.psi.impl.source.codeStyle.CodeEditUtil
import com.intellij.psi.tree.IElementType
import com.intellij.psi.util.PsiTreeUtil
import org.jetbrains.kotlin.builtins.isFunctionType
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.extensions.DeclarationAttributeAltererExtension
import org.jetbrains.kotlin.idea.caches.resolve.analyze
import org.jetbrains.kotlin.idea.caches.resolve.resolveToDescriptorIfAny
import org.jetbrains.kotlin.idea.references.mainReference
import org.jetbrains.kotlin.idea.util.IdeDescriptorRenderers
import org.jetbrains.kotlin.lexer.KtModifierKeywordToken
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.psi.*
import org.jetbrains.kotlin.psi.psiUtil.containingClassOrObject
import org.jetbrains.kotlin.psi.psiUtil.getLambdaArgumentName
import org.jetbrains.kotlin.psi.psiUtil.hasBody
import org.jetbrains.kotlin.psi.psiUtil.visibilityModifierType
import org.jetbrains.kotlin.psi.typeRefHelpers.setReceiverTypeReference
import org.jetbrains.kotlin.resolve.BindingContext
import org.jetbrains.kotlin.resolve.OverridingUtil
import org.jetbrains.kotlin.resolve.calls.callUtil.getResolvedCall
import org.jetbrains.kotlin.resolve.calls.callUtil.getValueArgumentsInParentheses
import org.jetbrains.kotlin.resolve.calls.model.ArgumentMatch
import org.jetbrains.kotlin.resolve.lazy.BodyResolveMode
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.types.isError
import org.jetbrains.kotlin.utils.KotlinExceptionWithAttachments
@Suppress("UNCHECKED_CAST")
inline fun <reified T : PsiElement> PsiElement.replaced(newElement: T): T {
val result = replace(newElement)
return if (result is T)
result
else
(result as KtParenthesizedExpression).expression as T
}
@Suppress("UNCHECKED_CAST")
fun <T : PsiElement> T.copied(): T = copy() as T
fun KtLambdaArgument.moveInsideParentheses(bindingContext: BindingContext): KtCallExpression {
val ktExpression = this.getArgumentExpression()
?: throw KotlinExceptionWithAttachments("no argument expression for $this")
.withAttachment("lambdaExpression", this.text)
return moveInsideParenthesesAndReplaceWith(ktExpression, bindingContext)
}
fun KtLambdaArgument.moveInsideParenthesesAndReplaceWith(
replacement: KtExpression,
bindingContext: BindingContext
): KtCallExpression = moveInsideParenthesesAndReplaceWith(replacement, getLambdaArgumentName(bindingContext))
fun KtLambdaArgument.getLambdaArgumentName(bindingContext: BindingContext): Name? {
val callExpression = parent as KtCallExpression
val resolvedCall = callExpression.getResolvedCall(bindingContext)
return (resolvedCall?.getArgumentMapping(this) as? ArgumentMatch)?.valueParameter?.name
}
fun KtLambdaArgument.moveInsideParenthesesAndReplaceWith(
replacement: KtExpression,
functionLiteralArgumentName: Name?
): KtCallExpression {
val oldCallExpression = parent as KtCallExpression
val newCallExpression = oldCallExpression.copy() as KtCallExpression
val psiFactory = KtPsiFactory(project)
val argument = if (shouldLambdaParameterBeNamed(newCallExpression.getValueArgumentsInParentheses(), oldCallExpression)) {
psiFactory.createArgument(replacement, functionLiteralArgumentName)
}
else {
psiFactory.createArgument(replacement)
}
val functionLiteralArgument = newCallExpression.lambdaArguments.firstOrNull()!!
val valueArgumentList = newCallExpression.valueArgumentList ?: psiFactory.createCallArguments("()")
valueArgumentList.addArgument(argument)
(functionLiteralArgument.prevSibling as? PsiWhiteSpace)?.delete()
if (newCallExpression.valueArgumentList != null) {
functionLiteralArgument.delete()
}
else {
functionLiteralArgument.replace(valueArgumentList)
}
return oldCallExpression.replace(newCallExpression) as KtCallExpression
}
private fun shouldLambdaParameterBeNamed(args: List<ValueArgument>, callExpr: KtCallExpression): Boolean {
if (args.any { it.isNamed() }) return true
val calee = (callExpr.calleeExpression?.mainReference?.resolve() as? KtFunction) ?: return true
return if (calee.valueParameters.any { it.isVarArg }) true else calee.valueParameters.size - 1 > args.size
}
fun KtCallExpression.getLastLambdaExpression(): KtLambdaExpression? {
if (lambdaArguments.isNotEmpty()) return null
return valueArguments.lastOrNull()?.getArgumentExpression()?.unpackFunctionLiteral()
}
fun KtCallExpression.canMoveLambdaOutsideParentheses(): Boolean {
if (getLastLambdaExpression() == null) return false
val callee = calleeExpression
if (callee is KtNameReferenceExpression) {
val bindingContext = analyze(BodyResolveMode.PARTIAL)
val targets = bindingContext[BindingContext.REFERENCE_TARGET, callee]?.let { listOf(it) }
?: bindingContext[BindingContext.AMBIGUOUS_REFERENCE_TARGET, callee]
?: listOf()
val candidates = targets.filterIsInstance<FunctionDescriptor>()
// if there are functions among candidates but none of them have last function parameter then not show the intention
if (candidates.isNotEmpty() && candidates.none {
val lastParameter = it.valueParameters.lastOrNull()
lastParameter != null && lastParameter.type.isFunctionType
}) {
return false
}
}
return true
}
fun KtCallExpression.moveFunctionLiteralOutsideParentheses() {
assert(lambdaArguments.isEmpty())
val argumentList = valueArgumentList!!
val argument = argumentList.arguments.last()
val expression = argument.getArgumentExpression()!!
assert(expression.unpackFunctionLiteral() != null)
val dummyCall = KtPsiFactory(this).createExpressionByPattern("foo()$0:'{}'", expression) as KtCallExpression
val functionLiteralArgument = dummyCall.lambdaArguments.single()
this.add(functionLiteralArgument)
/* we should not remove empty parenthesis when callee is a call too - it won't parse */
if (argumentList.arguments.size == 1 && calleeExpression !is KtCallExpression) {
argumentList.delete()
}
else {
argumentList.removeArgument(argument)
}
}
fun KtBlockExpression.appendElement(element: KtElement, addNewLine: Boolean = false): KtElement {
val rBrace = rBrace
val newLine = KtPsiFactory(this).createNewLine()
val anchor = if (rBrace == null) {
val lastChild = lastChild
if (lastChild !is PsiWhiteSpace) addAfter(newLine, lastChild)!! else lastChild
}
else {
rBrace.prevSibling!!
}
val addedElement = addAfter(element, anchor)!! as KtElement
if (addNewLine) {
addAfter(newLine, addedElement)
}
return addedElement
}
//TODO: git rid of this method
fun PsiElement.deleteElementAndCleanParent() {
val parent = parent
deleteElementWithDelimiters(this)
deleteChildlessElement(parent, this::class.java)
}
// Delete element if it doesn't contain children of a given type
private fun <T : PsiElement> deleteChildlessElement(element: PsiElement, childClass: Class<T>) {
if (PsiTreeUtil.getChildrenOfType<T>(element, childClass) == null) {
element.delete()
}
}
// Delete given element and all the elements separating it from the neighboring elements of the same class
private fun deleteElementWithDelimiters(element: PsiElement) {
val paramBefore = PsiTreeUtil.getPrevSiblingOfType<PsiElement>(element, element.javaClass)
val from: PsiElement
val to: PsiElement
if (paramBefore != null) {
from = paramBefore.nextSibling
to = element
}
else {
val paramAfter = PsiTreeUtil.getNextSiblingOfType<PsiElement>(element, element.javaClass)
from = element
to = if (paramAfter != null) paramAfter.prevSibling else element
}
val parent = element.parent
parent.deleteChildRange(from, to)
}
fun PsiElement.deleteSingle() {
CodeEditUtil.removeChild(parent?.node ?: return, node ?: return)
}
fun KtClass.getOrCreateCompanionObject(): KtObjectDeclaration {
companionObjects.firstOrNull()?.let { return it }
return addDeclaration(KtPsiFactory(this).createCompanionObject())
}
fun KtDeclaration.toDescriptor(): DeclarationDescriptor? {
val bindingContext = analyze()
// TODO: temporary code
if (this is KtPrimaryConstructor) {
return this.getContainingClassOrObject().resolveToDescriptorIfAny()?.unsubstitutedPrimaryConstructor
}
val descriptor = bindingContext[BindingContext.DECLARATION_TO_DESCRIPTOR, this]
if (descriptor is ValueParameterDescriptor) {
return bindingContext[BindingContext.VALUE_PARAMETER_AS_PROPERTY, descriptor]
}
return descriptor
}
//TODO: code style option whether to insert redundant 'public' keyword or not
fun KtModifierListOwner.setVisibility(visibilityModifier: KtModifierKeywordToken) {
if (this is KtDeclaration) {
val defaultVisibilityKeyword = implicitVisibility()
if (visibilityModifier == defaultVisibilityKeyword) {
this.visibilityModifierType()?.let { removeModifier(it) }
return
}
}
addModifier(visibilityModifier)
}
fun KtDeclaration.implicitVisibility(): KtModifierKeywordToken? =
when {
this is KtConstructor<*> -> {
val klass = getContainingClassOrObject()
if (klass is KtClass && (klass.isEnum() || klass.isSealed())) KtTokens.PRIVATE_KEYWORD
else KtTokens.DEFAULT_VISIBILITY_KEYWORD
}
hasModifier(KtTokens.OVERRIDE_KEYWORD) -> {
(resolveToDescriptorIfAny() as? CallableMemberDescriptor)
?.overriddenDescriptors
?.let { OverridingUtil.findMaxVisibility(it) }
?.toKeywordToken()
}
else -> {
KtTokens.DEFAULT_VISIBILITY_KEYWORD
}
}
fun KtModifierListOwner.canBePrivate() = modifierList?.hasModifier(KtTokens.ABSTRACT_KEYWORD) != true
fun KtModifierListOwner.canBeProtected(): Boolean {
val parent = when (this) {
is KtPropertyAccessor -> this.property.parent
else -> this.parent
}
return when (parent) {
is KtClassBody -> parent.parent is KtClass
is KtParameterList -> parent.parent is KtPrimaryConstructor
else -> false
}
}
fun KtClass.isInheritable(): Boolean {
return when (getModalityFromDescriptor()) {
KtTokens.ABSTRACT_KEYWORD, KtTokens.OPEN_KEYWORD, KtTokens.SEALED_KEYWORD -> true
else -> false
}
}
fun KtDeclaration.isOverridable(): Boolean {
val parent = parent
if (!(parent is KtClassBody || parent is KtParameterList)) return false
val klass = if (parent.parent is KtPrimaryConstructor)
parent.parent.parent as? KtClass
else
parent.parent as? KtClass
if (klass == null || (!klass.isInheritable() && !klass.isEnum())) return false
if (this.hasModifier(KtTokens.PRIVATE_KEYWORD)) {
// 'private' is incompatible with 'open'
return false
}
return when (getModalityFromDescriptor()) {
KtTokens.ABSTRACT_KEYWORD, KtTokens.OPEN_KEYWORD -> true
else -> false
}
}
fun KtDeclaration.getModalityFromDescriptor(): KtModifierKeywordToken? {
val descriptor = this.resolveToDescriptorIfAny()
if (descriptor is MemberDescriptor) {
return mapModality(descriptor.modality)
}
return null
}
fun KtDeclaration.implicitModality(): KtModifierKeywordToken {
var predictedModality = predictImplicitModality()
val bindingContext = analyze(BodyResolveMode.PARTIAL)
val descriptor = bindingContext[BindingContext.DECLARATION_TO_DESCRIPTOR, this] ?: return predictedModality
val containingDescriptor = descriptor.containingDeclaration ?: return predictedModality
val extensions = DeclarationAttributeAltererExtension.getInstances(this.project)
for (extension in extensions) {
val newModality = extension.refineDeclarationModality(
this,
descriptor as? ClassDescriptor,
containingDescriptor,
mapModalityToken(predictedModality),
bindingContext,
isImplicitModality = true)
if (newModality != null) {
predictedModality = mapModality(newModality)
}
}
return predictedModality
}
fun mapModality(accurateModality: Modality): KtModifierKeywordToken = when (accurateModality) {
Modality.FINAL -> KtTokens.FINAL_KEYWORD
Modality.SEALED -> KtTokens.SEALED_KEYWORD
Modality.OPEN -> KtTokens.OPEN_KEYWORD
Modality.ABSTRACT -> KtTokens.ABSTRACT_KEYWORD
}
private fun mapModalityToken(modalityToken: IElementType): Modality = when (modalityToken) {
KtTokens.FINAL_KEYWORD -> Modality.FINAL
KtTokens.SEALED_KEYWORD -> Modality.SEALED
KtTokens.OPEN_KEYWORD -> Modality.OPEN
KtTokens.ABSTRACT_KEYWORD -> Modality.ABSTRACT
else -> error("Unexpected modality keyword $modalityToken")
}
private fun KtDeclaration.predictImplicitModality(): KtModifierKeywordToken {
if (this is KtClassOrObject) {
if (this is KtClass && this.isInterface()) return KtTokens.ABSTRACT_KEYWORD
return KtTokens.FINAL_KEYWORD
}
val klass = containingClassOrObject ?: return KtTokens.FINAL_KEYWORD
if (hasModifier(KtTokens.OVERRIDE_KEYWORD)) {
if (klass.hasModifier(KtTokens.ABSTRACT_KEYWORD) ||
klass.hasModifier(KtTokens.OPEN_KEYWORD) ||
klass.hasModifier(KtTokens.SEALED_KEYWORD)) {
return KtTokens.OPEN_KEYWORD
}
}
if (klass is KtClass && klass.isInterface() && !hasModifier(KtTokens.PRIVATE_KEYWORD)) {
return if (hasBody()) KtTokens.OPEN_KEYWORD else KtTokens.ABSTRACT_KEYWORD
}
return KtTokens.FINAL_KEYWORD
}
fun KtSecondaryConstructor.getOrCreateBody(): KtBlockExpression {
bodyExpression?.let { return it }
val delegationCall = getDelegationCall()
val anchor = if (delegationCall.isImplicit) valueParameterList else delegationCall
val newBody = KtPsiFactory(this).createEmptyBody()
return addAfter(newBody, anchor) as KtBlockExpression
}
fun KtParameter.dropDefaultValue() {
val from = equalsToken ?: return
val to = defaultValue ?: from
deleteChildRange(from, to)
}
fun dropEnclosingParenthesesIfPossible(expression: KtExpression): KtExpression {
val parent = expression.parent as? KtParenthesizedExpression ?: return expression
if (!KtPsiUtil.areParenthesesUseless(parent)) return expression
return parent.replaced(expression)
}
fun KtTypeParameterListOwner.addTypeParameter(typeParameter: KtTypeParameter): KtTypeParameter? {
typeParameterList?.let { return it.addParameter(typeParameter) }
val list = KtPsiFactory(this).createTypeParameterList("<X>")
list.parameters[0].replace(typeParameter)
val leftAnchor = when (this) {
is KtClass -> nameIdentifier ?: getClassOrInterfaceKeyword()
is KtNamedFunction -> funKeyword
is KtProperty -> valOrVarKeyword
else -> null
} ?: return null
return (addAfter(list, leftAnchor) as KtTypeParameterList).parameters.first()
}
fun KtNamedFunction.getOrCreateValueParameterList(): KtParameterList {
valueParameterList?.let { return it }
val parameterList = KtPsiFactory(this).createParameterList("()")
val anchor = nameIdentifier ?: funKeyword!!
return addAfter(parameterList, anchor) as KtParameterList
}
fun KtCallableDeclaration.setType(type: KotlinType, shortenReferences: Boolean = true) {
if (type.isError) return
setType(IdeDescriptorRenderers.SOURCE_CODE.renderType(type), shortenReferences)
}
fun KtCallableDeclaration.setType(typeString: String, shortenReferences: Boolean = true) {
val typeReference = KtPsiFactory(project).createType(typeString)
setTypeReference(typeReference)
if (shortenReferences) {
ShortenReferences.DEFAULT.process(getTypeReference()!!)
}
}
fun KtCallableDeclaration.setReceiverType(type: KotlinType) {
if (type.isError) return
val typeReference = KtPsiFactory(project).createType(IdeDescriptorRenderers.SOURCE_CODE.renderType(type))
setReceiverTypeReference(typeReference)
ShortenReferences.DEFAULT.process(receiverTypeReference!!)
}
fun KtParameter.setDefaultValue(newDefaultValue: KtExpression): PsiElement? {
defaultValue?.let { return it.replaced(newDefaultValue) }
val psiFactory = KtPsiFactory(this)
val eq = equalsToken ?: add(psiFactory.createEQ())
return addAfter(newDefaultValue, eq) as KtExpression
}
fun KtBlockStringTemplateEntry.canDropBraces() =
expression is KtNameReferenceExpression && canPlaceAfterSimpleNameEntry(nextSibling)
fun KtBlockStringTemplateEntry.dropBraces(): KtSimpleNameStringTemplateEntry {
val name = (expression as KtNameReferenceExpression).getReferencedName()
val newEntry = KtPsiFactory(this).createSimpleNameStringTemplateEntry(name)
return replaced(newEntry)
}
@@ -0,0 +1,68 @@
/*
* 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.quickfix
import com.intellij.codeInsight.FileModificationService
import com.intellij.codeInsight.intention.IntentionAction
import com.intellij.openapi.application.ApplicationManager
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.CREATEBYPATTERN_MAY_NOT_REFORMAT
import org.jetbrains.kotlin.psi.KtCodeFragment
import org.jetbrains.kotlin.psi.KtFile
import org.jetbrains.kotlin.psi.psiUtil.createSmartPointer
abstract class KotlinQuickFixAction<out T : PsiElement>(element: T) : IntentionAction {
private val elementPointer = element.createSmartPointer()
protected val element: T?
get() = elementPointer.element
final override fun isAvailable(project: Project, editor: Editor?, file: PsiFile): Boolean {
if (ApplicationManager.getApplication().isUnitTestMode) {
CREATEBYPATTERN_MAY_NOT_REFORMAT = true
}
try {
val element = element ?: return false
return element.isValid &&
!element.project.isDisposed &&
(file.manager.isInProject(file) || file is KtCodeFragment) &&
(file is KtFile) &&
isAvailable(project, editor, file)
}
finally {
CREATEBYPATTERN_MAY_NOT_REFORMAT = false
}
}
protected open fun isAvailable(project: Project, editor: Editor?, file: KtFile): Boolean {
return true
}
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 fun invoke(project: Project, editor: Editor?, file: KtFile)
override fun startInWriteAction() = true
}
@@ -464,34 +464,16 @@ class CallableBuilder(val config: CallableBuilderConfiguration) {
val psiFactory = KtPsiFactory(currentFile)
val modifiers = buildString {
val modifierList = callableInfo.modifierList?.copied() ?: psiFactory.createEmptyModifierList()
val visibilityKeyword = modifierList.visibilityModifierType()
if (visibilityKeyword == null) {
val defaultVisibility =
if (callableInfo.isAbstract) ""
else if (containingElement is KtClassOrObject
&& !(containingElement is KtClass && containingElement.isInterface())
&& containingElement.isAncestor(config.originalElement)
&& callableInfo.kind != CallableKind.CONSTRUCTOR) "private "
else if (isExtension) "private "
else ""
append(defaultVisibility)
}
// TODO: Get rid of isAbstract
if (callableInfo.isAbstract
&& containingElement is KtClass
&& !containingElement.isInterface()
&& !modifierList.hasModifier(KtTokens.ABSTRACT_KEYWORD)) {
modifierList.appendModifier(KtTokens.ABSTRACT_KEYWORD)
}
val text = modifierList.normalize().text
if (text.isNotEmpty()) {
append("$text ")
}
}
val modifiers =
if (callableInfo.isAbstract) {
if (containingElement is KtClass && containingElement.isInterface()) "" else "abstract "
}
else if (containingElement is KtClassOrObject
&& !(containingElement is KtClass && containingElement.isInterface())
&& containingElement.isAncestor(config.originalElement)
&& callableInfo.kind != CallableKind.CONSTRUCTOR) "private "
else if (isExtension) "private "
else ""
val isExpectClassMember by lazy {
containingElement is KtClassOrObject && containingElement.resolveToDescriptorIfAny()?.isExpect ?: false
@@ -500,7 +482,7 @@ class CallableBuilder(val config: CallableBuilderConfiguration) {
val declaration: KtNamedDeclaration = when (callableInfo.kind) {
CallableKind.FUNCTION, CallableKind.CONSTRUCTOR -> {
val body = when {
callableInfo is ConstructorInfo -> if (callableInfo.withBody) "{\n\n}" else ""
callableInfo.kind == CallableKind.CONSTRUCTOR -> ""
callableInfo.isAbstract -> ""
containingElement is KtClass && containingElement.hasModifier(KtTokens.EXTERNAL_KEYWORD) -> ""
containingElement is KtObjectDeclaration && containingElement.hasModifier(KtTokens.EXTERNAL_KEYWORD) -> ""
@@ -508,7 +490,7 @@ class CallableBuilder(val config: CallableBuilderConfiguration) {
&& containingElement.parent.parent is KtClass
&& (containingElement.parent.parent as KtClass).hasModifier(KtTokens.EXTERNAL_KEYWORD) -> ""
isExpectClassMember -> ""
else -> "{\n\n}"
else -> "{}"
}
@Suppress("USELESS_CAST") // KT-10755
@@ -574,11 +556,7 @@ class CallableBuilder(val config: CallableBuilderConfiguration) {
return assignmentToReplace.replace(declaration) as KtCallableDeclaration
}
val container = if (containingElement is KtClass && callableInfo.isForCompanion) {
containingElement.getOrCreateCompanionObject()
}
else containingElement
val declarationInPlace = placeDeclarationInContainer(declaration, container, config.originalElement, jetFileToEdit)
val declarationInPlace = placeDeclarationInContainer(declaration, containingElement, config.originalElement, jetFileToEdit)
if (declarationInPlace is KtSecondaryConstructor) {
val containingClass = declarationInPlace.containingClassOrObject!!
@@ -615,11 +593,14 @@ class CallableBuilder(val config: CallableBuilderConfiguration) {
}
private fun setupTypeReferencesForShortening(declaration: KtNamedDeclaration,
parameterTypeExpressions: List<TypeExpression>) {
parameterTypeExpressions: List<TypeExpression>): List<KtElement> {
val typeRefsToShorten = ArrayList<KtElement>()
if (config.isExtension) {
val receiverTypeText = receiverTypeCandidate!!.theType.renderLong(typeParameterNameMap).first()
val replacingTypeRef = KtPsiFactory(declaration).createType(receiverTypeText)
(declaration as KtCallableDeclaration).setReceiverTypeReference(replacingTypeRef)!!
val newTypeRef = (declaration as KtCallableDeclaration).setReceiverTypeReference(replacingTypeRef)!!
typeRefsToShorten.add(newTypeRef)
}
val returnTypeRefs = declaration.getReturnTypeReferences()
@@ -630,6 +611,7 @@ class CallableBuilder(val config: CallableBuilderConfiguration) {
if (returnType != null) {
// user selected a given type
replaceWithLongerName(returnTypeRefs, returnType)
typeRefsToShorten.addAll(declaration.getReturnTypeReferences())
}
}
@@ -648,6 +630,11 @@ class CallableBuilder(val config: CallableBuilderConfiguration) {
}
}
}
val expandedValueParameters = declaration.getValueParameters()
parameterIndicesToShorten.mapNotNullTo(typeRefsToShorten) { expandedValueParameters[it].typeReference }
return typeRefsToShorten
}
private fun postprocessDeclaration(declaration: KtNamedDeclaration) {
@@ -661,12 +648,15 @@ class CallableBuilder(val config: CallableBuilderConfiguration) {
}
private fun setupDeclarationBody(func: KtDeclarationWithBody) {
if (func !is KtNamedFunction && func !is KtPropertyAccessor) return
if (skipReturnType && callableInfo is FunctionInfo && callableInfo.preferEmptyBody) return
val oldBody = func.bodyExpression ?: return
val templateKind = when (func) {
is KtSecondaryConstructor -> TemplateKind.SECONDARY_CONSTRUCTOR
is KtNamedFunction, is KtPropertyAccessor -> TemplateKind.FUNCTION
else -> throw AssertionError("Unexpected declaration: " + func.getElementTextWithContext())
}
val bodyText = getFunctionBodyTextFromTemplate(
func.project,
TemplateKind.FUNCTION,
templateKind,
if (callableInfo.name.isNotEmpty()) callableInfo.name else null,
if (skipReturnType) "Unit" else (func as? KtFunction)?.typeReference?.text ?: "",
receiverClassDescriptor?.importableFqName ?: receiverClassDescriptor?.name?.let { FqName.topLevel(it) }
@@ -773,7 +763,13 @@ class CallableBuilder(val config: CallableBuilderConfiguration) {
// add parameter name to the template
val possibleNamesFromExpression = parameter.typeInfo.getPossibleNamesFromExpression(currentFileContext)
val possibleNames = arrayOf(*parameter.nameSuggestions.toTypedArray(), *possibleNamesFromExpression)
val preferredName = parameter.preferredName
val possibleNames = if (preferredName != null) {
arrayOf(preferredName, *possibleNamesFromExpression)
}
else {
possibleNamesFromExpression
}
// figure out suggested names for each type option
val parameterTypeToNamesMap = HashMap<String, Array<String>>()
@@ -967,14 +963,6 @@ class CallableBuilder(val config: CallableBuilderConfiguration) {
if (newDeclaration is KtProperty) {
newDeclaration.getter?.let { setupDeclarationBody(it) }
if (newDeclaration.getter == null
&& newDeclaration.initializer == null
&& callableInfo is PropertyInfo
&& callableInfo.withInitializer
&& !callableInfo.isLateinitPreferred) {
newDeclaration.initializer = KtPsiFactory(newDeclaration).createExpression("TODO(\"initialize me\")")
}
}
val callElement = config.originalElement as? KtCallElement
@@ -985,9 +973,9 @@ class CallableBuilder(val config: CallableBuilderConfiguration) {
CodeStyleManager.getInstance(project).reformat(newDeclaration)
// change short type names to fully qualified ones (to be shortened below)
setupTypeReferencesForShortening(newDeclaration, parameterTypeExpressions)
val typeRefsToShorten = setupTypeReferencesForShortening(newDeclaration, parameterTypeExpressions)
if (!transformToJavaMemberIfApplicable(newDeclaration)) {
elementsToShorten.add(newDeclaration)
elementsToShorten.addAll(typeRefsToShorten)
setupEditor(newDeclaration)
}
}
@@ -1114,24 +1102,17 @@ internal fun <D : KtNamedDeclaration> placeDeclarationInContainer(
}
container is KtClassOrObject -> {
var sibling: PsiElement? = container.declarations.lastOrNull { it::class == declaration::class }
if (sibling == null && declaration is KtProperty) {
sibling = container.getBody()?.lBrace
}
insertMember(null, container, declaration, sibling)
insertMember(null, container, declaration, container.declarations.lastOrNull())
}
else -> throw AssertionError("Invalid containing element: ${container.text}")
}
if (declaration !is KtPrimaryConstructor) {
val parent = declarationInPlace.parent
calcNecessaryEmptyLines(declarationInPlace, false).let {
if (it > 0) parent.addBefore(psiFactory.createNewLine(it), declarationInPlace)
}
calcNecessaryEmptyLines(declarationInPlace, true).let {
if (it > 0) parent.addAfter(psiFactory.createNewLine(it), declarationInPlace)
}
val parent = declarationInPlace.parent
calcNecessaryEmptyLines(declarationInPlace, false).let {
if (it > 0) parent.addBefore(psiFactory.createNewLine(it), declarationInPlace)
}
calcNecessaryEmptyLines(declarationInPlace, true).let {
if (it > 0) parent.addAfter(psiFactory.createNewLine(it), declarationInPlace)
}
return declarationInPlace
}
@@ -70,10 +70,6 @@ abstract class TypeInfo(val variance: Variance) {
(builder.placement as CallablePlacement.WithReceiver).receiverTypeCandidate.theType.getPossibleSupertypes(variance, builder)
}
class ByExplicitCandidateTypes(val types: List<KotlinType>) : TypeInfo(Variance.INVARIANT) {
override fun getPossibleTypes(builder: CallableBuilder) = types
}
abstract class DelegatingTypeInfo(val delegate: TypeInfo): TypeInfo(delegate.variance) {
override val substitutionsAllowed: Boolean = delegate.substitutionsAllowed
override fun getPossibleNamesFromExpression(bindingContext: BindingContext) = delegate.getPossibleNamesFromExpression(bindingContext)
@@ -159,10 +155,8 @@ fun TypeInfo.ofThis() = TypeInfo.OfThis(this)
*/
class ParameterInfo(
val typeInfo: TypeInfo,
val nameSuggestions: List<String>
) {
constructor(typeInfo: TypeInfo, preferredName: String? = null): this(typeInfo, listOfNotNull(preferredName))
}
val preferredName: String? = null
)
enum class CallableKind {
FUNCTION,
@@ -177,9 +171,7 @@ abstract class CallableInfo (
val returnTypeInfo: TypeInfo,
val possibleContainers: List<KtElement>,
val typeParameterInfos: List<TypeInfo>,
val isAbstract: Boolean = false,
val isForCompanion: Boolean = false,
val modifierList: KtModifierList? = null
val isAbstract: Boolean = false
) {
abstract val kind: CallableKind
abstract val parameterInfos: List<ParameterInfo>
@@ -197,11 +189,8 @@ class FunctionInfo(name: String,
typeParameterInfos: List<TypeInfo> = Collections.emptyList(),
val isOperator: Boolean = false,
val isInfix: Boolean = false,
isAbstract: Boolean = false,
isForCompanion: Boolean = false,
modifierList: KtModifierList? = null,
val preferEmptyBody: Boolean = false
) : CallableInfo(name, receiverTypeInfo, returnTypeInfo, possibleContainers, typeParameterInfos, isAbstract, isForCompanion, modifierList) {
isAbstract: Boolean = false
) : CallableInfo(name, receiverTypeInfo, returnTypeInfo, possibleContainers, typeParameterInfos, isAbstract) {
override val kind: CallableKind get() = CallableKind.FUNCTION
override fun copy(receiverTypeInfo: TypeInfo, possibleContainers: List<KtElement>, isAbstract: Boolean) = FunctionInfo(
@@ -217,12 +206,8 @@ class FunctionInfo(name: String,
)
}
class ClassWithPrimaryConstructorInfo(
val classInfo: ClassInfo,
expectedTypeInfo: TypeInfo,
modifierList: KtModifierList? = null
): CallableInfo(
classInfo.name, TypeInfo.Empty, expectedTypeInfo.forceNotNull(), Collections.emptyList(), classInfo.typeArguments, false, modifierList = modifierList
class ClassWithPrimaryConstructorInfo(val classInfo: ClassInfo, expectedTypeInfo: TypeInfo): CallableInfo(
classInfo.name, TypeInfo.Empty, expectedTypeInfo.forceNotNull(), Collections.emptyList(), classInfo.typeArguments, false
) {
override val kind: CallableKind get() = CallableKind.CLASS_WITH_PRIMARY_CONSTRUCTOR
override val parameterInfos: List<ParameterInfo> get() = classInfo.parameterInfos
@@ -233,10 +218,8 @@ class ClassWithPrimaryConstructorInfo(
class ConstructorInfo(
override val parameterInfos: List<ParameterInfo>,
val targetClass: PsiElement,
val isPrimary: Boolean = false,
modifierList: KtModifierList? = null,
val withBody: Boolean = false
): CallableInfo("", TypeInfo.Empty, TypeInfo.Empty, Collections.emptyList(), Collections.emptyList(), false, modifierList = modifierList) {
val isPrimary: Boolean = false
): CallableInfo("", TypeInfo.Empty, TypeInfo.Empty, Collections.emptyList(), Collections.emptyList(), false) {
override val kind: CallableKind get() = CallableKind.CONSTRUCTOR
override fun copy(receiverTypeInfo: TypeInfo, possibleContainers: List<KtElement>, isAbstract: Boolean) = throw UnsupportedOperationException()
@@ -249,23 +232,12 @@ class PropertyInfo(name: String,
possibleContainers: List<KtElement> = Collections.emptyList(),
typeParameterInfos: List<TypeInfo> = Collections.emptyList(),
isAbstract: Boolean = false,
val isLateinitPreferred: Boolean = false,
isForCompanion: Boolean = false,
modifierList: KtModifierList? = null,
val withInitializer: Boolean = false
) : CallableInfo(name, receiverTypeInfo, returnTypeInfo, possibleContainers, typeParameterInfos, isAbstract, isForCompanion, modifierList) {
val isLateinitPreferred: Boolean = false
) : CallableInfo(name, receiverTypeInfo, returnTypeInfo, possibleContainers, typeParameterInfos, isAbstract) {
override val kind: CallableKind get() = CallableKind.PROPERTY
override val parameterInfos: List<ParameterInfo> get() = Collections.emptyList()
override fun copy(receiverTypeInfo: TypeInfo, possibleContainers: List<KtElement>, isAbstract: Boolean) =
copyProperty(receiverTypeInfo, possibleContainers, isAbstract)
fun copyProperty(
receiverTypeInfo: TypeInfo = this.receiverTypeInfo,
possibleContainers: List<KtElement> = this.possibleContainers,
isAbstract: Boolean = this.isAbstract,
isLateinitPreferred: Boolean = this.isLateinitPreferred
) = PropertyInfo(
override fun copy(receiverTypeInfo: TypeInfo, possibleContainers: List<KtElement>, isAbstract: Boolean) = PropertyInfo(
name,
receiverTypeInfo,
returnTypeInfo,
@@ -273,9 +245,6 @@ class PropertyInfo(name: String,
possibleContainers,
typeParameterInfos,
isAbstract,
isLateinitPreferred,
isForCompanion,
modifierList,
withInitializer
isLateinitPreferred
)
}
@@ -0,0 +1,62 @@
/*
* 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.quickfix.createFromUsage.callableBuilder
import com.intellij.openapi.editor.Editor
import com.intellij.openapi.editor.ScrollType
import com.intellij.psi.PsiElement
import com.intellij.psi.PsiWhiteSpace
import org.jetbrains.kotlin.psi.*
import org.jetbrains.kotlin.psi.psiUtil.endOffset
import org.jetbrains.kotlin.psi.psiUtil.siblings
import org.jetbrains.kotlin.psi.psiUtil.startOffset
fun setupEditorSelection(editor: Editor, declaration: KtNamedDeclaration) {
val caretModel = editor.caretModel
val selectionModel = editor.selectionModel
if (declaration is KtSecondaryConstructor) {
caretModel.moveToOffset(declaration.getConstructorKeyword().endOffset)
}
else {
caretModel.moveToOffset(declaration.nameIdentifier!!.endOffset)
}
fun positionBetween(left: PsiElement, right: PsiElement) {
val from = left.siblings(withItself = false, forward = true).firstOrNull { it !is PsiWhiteSpace } ?: return
val to = right.siblings(withItself = false, forward = false).firstOrNull { it !is PsiWhiteSpace } ?: return
val startOffset = from.startOffset
val endOffset = to.endOffset
caretModel.moveToOffset(endOffset)
selectionModel.setSelection(startOffset, endOffset)
}
when (declaration) {
is KtNamedFunction, is KtSecondaryConstructor -> {
((declaration as KtFunction).bodyExpression as? KtBlockExpression)?.let {
positionBetween(it.lBrace!!, it.rBrace!!)
}
}
is KtClassOrObject -> {
caretModel.moveToOffset(declaration.startOffset)
}
is KtProperty -> {
caretModel.moveToOffset(declaration.endOffset)
}
}
editor.scrollingModel.scrollToCaret(ScrollType.CENTER)
}
@@ -0,0 +1,216 @@
/*
* 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.quickfix.createFromUsage.createCallable
import com.intellij.codeInsight.intention.LowPriorityAction
import com.intellij.openapi.editor.Editor
import com.intellij.openapi.project.Project
import com.intellij.psi.PsiClass
import com.intellij.psi.PsiElement
import org.jetbrains.kotlin.builtins.functions.FunctionClassDescriptor
import org.jetbrains.kotlin.descriptors.ClassifierDescriptor
import org.jetbrains.kotlin.idea.codeInsight.DescriptorToSourceUtilsIde
import org.jetbrains.kotlin.idea.quickfix.createFromUsage.CreateFromUsageFixBase
import org.jetbrains.kotlin.idea.quickfix.createFromUsage.callableBuilder.*
import org.jetbrains.kotlin.idea.refactoring.canRefactor
import org.jetbrains.kotlin.idea.refactoring.chooseContainerElementIfNecessary
import org.jetbrains.kotlin.idea.util.IdeDescriptorRenderers
import org.jetbrains.kotlin.idea.util.application.executeCommand
import org.jetbrains.kotlin.idea.util.isAbstract
import org.jetbrains.kotlin.psi.*
import org.jetbrains.kotlin.psi.psiUtil.getElementTextWithContext
import java.util.*
class CreateCallableFromUsageFix<E : KtElement>(
originalExpression: E,
callableInfos: List<CallableInfo>
) : CreateCallableFromUsageFixBase<E>(originalExpression, callableInfos, false)
class CreateExtensionCallableFromUsageFix<E : KtElement>(
originalExpression: E,
callableInfos: List<CallableInfo>
) : CreateCallableFromUsageFixBase<E>(originalExpression, callableInfos, true), LowPriorityAction
abstract class CreateCallableFromUsageFixBase<E : KtElement>(
originalExpression: E,
private val callableInfos: List<CallableInfo>,
val isExtension: Boolean
) : CreateFromUsageFixBase<E>(originalExpression) {
init {
assert (callableInfos.isNotEmpty()) { "No CallableInfos: ${originalExpression.getElementTextWithContext()}" }
if (callableInfos.size > 1) {
val receiverSet = callableInfos.mapTo(HashSet<TypeInfo>()) { it.receiverTypeInfo }
if (receiverSet.size > 1) throw AssertionError("All functions must have common receiver: $receiverSet")
val possibleContainerSet = callableInfos.mapTo(HashSet<List<KtElement>>()) { it.possibleContainers }
if (possibleContainerSet.size > 1) throw AssertionError("All functions must have common containers: $possibleContainerSet")
}
}
private fun getDeclaration(descriptor: ClassifierDescriptor, project: Project): PsiElement? {
if (descriptor is FunctionClassDescriptor) {
val psiFactory = KtPsiFactory(project)
val syntheticClass = psiFactory.createClass(IdeDescriptorRenderers.SOURCE_CODE_SHORT_NAMES_IN_TYPES.render(descriptor))
return psiFactory.createAnalyzableFile("${descriptor.name.asString()}.kt", "", element!!).add(syntheticClass)
}
return DescriptorToSourceUtilsIde.getAnyDeclaration(project, descriptor)
}
private fun getDeclarationIfApplicable(project: Project, candidate: TypeCandidate): PsiElement? {
val descriptor = candidate.theType.constructor.declarationDescriptor ?: return null
val declaration = getDeclaration(descriptor, project) ?: return null
if (declaration !is KtClassOrObject && declaration !is KtTypeParameter && declaration !is PsiClass) return null
return if (isExtension || declaration.canRefactor()) declaration else null
}
override fun getText(): String {
val element = element ?: return ""
val receiverTypeInfo = callableInfos.first().receiverTypeInfo
val renderedCallables = callableInfos.map {
buildString {
if (it.isAbstract) {
append("abstract ")
}
val kind = when (it.kind) {
CallableKind.FUNCTION -> "function"
CallableKind.PROPERTY -> "property"
CallableKind.CONSTRUCTOR -> "secondary constructor"
else -> throw AssertionError("Unexpected callable info: $it")
}
append(kind)
if (it.name.isNotEmpty()) {
append(" '")
val receiverType = if (!receiverTypeInfo.isOfThis) {
CallableBuilderConfiguration(callableInfos, element, isExtension = isExtension)
.createBuilder()
.computeTypeCandidates(receiverTypeInfo)
.firstOrNull()
?.theType
}
else null
if (receiverType != null) {
if (isExtension) {
val receiverTypeText = IdeDescriptorRenderers.SOURCE_CODE_SHORT_NAMES_IN_TYPES.renderType(receiverType)
val isFunctionType = receiverType.constructor.declarationDescriptor is FunctionClassDescriptor
append(if (isFunctionType) "($receiverTypeText)" else receiverTypeText).append('.')
}
else {
receiverType.constructor.declarationDescriptor?.let {
append(IdeDescriptorRenderers.SOURCE_CODE_SHORT_NAMES_IN_TYPES.renderClassifierName(it)).append('.')
}
}
}
append("${it.name}'")
}
}
}
return StringBuilder().apply {
append("Create ")
val receiverInfo = receiverTypeInfo
if (!callableInfos.any { it.isAbstract }) {
if (isExtension) {
append("extension ")
}
else if (receiverInfo !is TypeInfo.Empty) {
append("member ")
}
}
renderedCallables.joinTo(this)
}.toString()
}
override fun isAvailable(project: Project, editor: Editor?, file: KtFile): Boolean {
val element = element ?: return false
val receiverInfo = callableInfos.first().receiverTypeInfo
if (receiverInfo is TypeInfo.Empty) {
if (callableInfos.any { it is PropertyInfo && it.possibleContainers.isEmpty() }) return false
return !isExtension
}
// TODO: Remove after companion object extensions are supported
if (isExtension && receiverInfo.staticContextRequired) return false
val callableBuilder = CallableBuilderConfiguration(callableInfos, element, isExtension = isExtension).createBuilder()
val receiverTypeCandidates = callableBuilder.computeTypeCandidates(callableInfos.first().receiverTypeInfo)
val propertyInfo = callableInfos.firstOrNull { it is PropertyInfo } as PropertyInfo?
val isFunction = callableInfos.any { it.kind == CallableKind.FUNCTION }
return receiverTypeCandidates.any {
val declaration = getDeclarationIfApplicable(project, it)
val insertToJavaInterface = declaration is PsiClass && declaration.isInterface
when {
!isExtension && propertyInfo != null && insertToJavaInterface && (!receiverInfo.staticContextRequired || propertyInfo.writable) ->
false
isFunction && insertToJavaInterface && receiverInfo.staticContextRequired ->
false
!isExtension && declaration is KtTypeParameter -> false
propertyInfo != null && !propertyInfo.isAbstract && declaration is KtClass && declaration.isInterface() -> false
else ->
declaration != null
}
}
}
override fun invoke(project: Project, editor: Editor?, file: KtFile) {
val element = element ?: return
val callableInfo = callableInfos.first()
val callableBuilder =
CallableBuilderConfiguration(callableInfos, element as KtElement, file, editor!!, isExtension).createBuilder()
fun runBuilder(placement: CallablePlacement) {
callableBuilder.placement = placement
project.executeCommand(text) { callableBuilder.build() }
}
if (callableInfo is ConstructorInfo) {
runBuilder(CallablePlacement.NoReceiver(callableInfo.targetClass))
return
}
val popupTitle = "Choose target class or interface"
val receiverTypeCandidates = callableBuilder.computeTypeCandidates(callableInfo.receiverTypeInfo).let {
if (callableInfo.isAbstract) it.filter { it.theType.isAbstract() } else it
}
if (receiverTypeCandidates.isNotEmpty()) {
val containers = receiverTypeCandidates
.mapNotNull { candidate -> getDeclarationIfApplicable(project, candidate)?.let { candidate to it } }
chooseContainerElementIfNecessary(containers, editor, popupTitle, false, { it.second }) {
runBuilder(CallablePlacement.WithReceiver(it.first))
}
}
else {
assert(callableInfo.receiverTypeInfo is TypeInfo.Empty) {
"No receiver type candidates: ${element.text} in ${file.text}"
}
chooseContainerElementIfNecessary(callableInfo.possibleContainers, editor, popupTitle, true, { it }) {
val container = if (it is KtClassBody) it.parent as KtClassOrObject else it
runBuilder(CallablePlacement.NoReceiver(container))
}
}
}
}
@@ -0,0 +1,78 @@
/*
* 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.quickfix.createFromUsage.createCallable
import com.intellij.psi.SmartPsiElementPointer
import org.jetbrains.kotlin.diagnostics.Diagnostic
import org.jetbrains.kotlin.idea.quickfix.IntentionActionPriority
import org.jetbrains.kotlin.idea.quickfix.KotlinIntentionActionFactoryWithDelegate
import org.jetbrains.kotlin.idea.quickfix.QuickFixWithDelegateFactory
import org.jetbrains.kotlin.idea.quickfix.createFromUsage.CreateFromUsageFixBase
import org.jetbrains.kotlin.idea.quickfix.createFromUsage.callableBuilder.CallableInfo
import org.jetbrains.kotlin.idea.quickfix.createFromUsage.callableBuilder.PropertyInfo
import org.jetbrains.kotlin.idea.quickfix.createFromUsage.createVariable.CreateParameterFromUsageFix
import org.jetbrains.kotlin.psi.KtElement
import java.util.*
abstract class CreateCallableMemberFromUsageFactory<E : KtElement>(
private val extensionsSupported: Boolean = true
) : KotlinIntentionActionFactoryWithDelegate<E, List<CallableInfo>>() {
private fun newCallableQuickFix(
originalElementPointer: SmartPsiElementPointer<E>,
priority: IntentionActionPriority,
quickFixDataFactory: () -> List<CallableInfo>?,
quickFixFactory: (E, List<CallableInfo>) -> CreateFromUsageFixBase<E>?
): QuickFixWithDelegateFactory {
return QuickFixWithDelegateFactory(priority) {
val data = quickFixDataFactory().orEmpty()
val originalElement = originalElementPointer.element
if (data.isNotEmpty() && originalElement != null) quickFixFactory(originalElement, data) else null
}
}
protected open fun createCallableInfo(element: E, diagnostic: Diagnostic): CallableInfo? = null
override fun extractFixData(element: E, diagnostic: Diagnostic): List<CallableInfo>
= listOfNotNull(createCallableInfo(element, diagnostic))
override fun createFixes(
originalElementPointer: SmartPsiElementPointer<E>,
diagnostic: Diagnostic,
quickFixDataFactory: () -> List<CallableInfo>?
): List<QuickFixWithDelegateFactory> {
val fixes = ArrayList<QuickFixWithDelegateFactory>(3)
newCallableQuickFix(originalElementPointer, IntentionActionPriority.NORMAL, quickFixDataFactory) { element, data ->
CreateCallableFromUsageFix(element, data)
}.let { fixes.add(it) }
newCallableQuickFix(originalElementPointer, IntentionActionPriority.NORMAL, quickFixDataFactory) f@ { element, data ->
(data.singleOrNull() as? PropertyInfo)?.let {
CreateParameterFromUsageFix.createFixForPrimaryConstructorPropertyParameter(element, it)
}
}.let { fixes.add(it) }
if (extensionsSupported) {
newCallableQuickFix(originalElementPointer, IntentionActionPriority.LOW, quickFixDataFactory) { element, data ->
if (data.any { it.isAbstract }) return@newCallableQuickFix null
CreateExtensionCallableFromUsageFix(element, data)
}.let { fixes.add(it) }
}
return fixes
}
}
@@ -1,390 +0,0 @@
/*
* Copyright 2010-2017 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.quickfix.crossLanguage
import com.intellij.codeInsight.intention.IntentionAction
import com.intellij.codeInsight.intention.QuickFixFactory
import com.intellij.lang.jvm.*
import com.intellij.lang.jvm.actions.*
import com.intellij.openapi.project.Project
import com.intellij.psi.*
import com.intellij.psi.impl.source.tree.java.PsiReferenceExpressionImpl
import org.jetbrains.kotlin.asJava.classes.KtLightClassForFacade
import org.jetbrains.kotlin.asJava.classes.KtLightClassForSourceDeclaration
import org.jetbrains.kotlin.asJava.toLightMethods
import org.jetbrains.kotlin.asJava.unwrapped
import org.jetbrains.kotlin.descriptors.ClassKind
import org.jetbrains.kotlin.descriptors.Modality
import org.jetbrains.kotlin.descriptors.SourceElement
import org.jetbrains.kotlin.descriptors.TypeParameterDescriptor
import org.jetbrains.kotlin.descriptors.impl.ClassDescriptorImpl
import org.jetbrains.kotlin.descriptors.impl.MutablePackageFragmentDescriptor
import org.jetbrains.kotlin.idea.caches.resolve.getResolutionFacade
import org.jetbrains.kotlin.idea.core.appendModifier
import org.jetbrains.kotlin.idea.quickfix.AddModifierFix
import org.jetbrains.kotlin.idea.quickfix.RemoveModifierFix
import org.jetbrains.kotlin.idea.quickfix.createFromUsage.callableBuilder.*
import org.jetbrains.kotlin.idea.quickfix.createFromUsage.createCallable.CreateCallableFromUsageFix
import org.jetbrains.kotlin.idea.resolve.ResolutionFacade
import org.jetbrains.kotlin.idea.util.approximateFlexibleTypes
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.load.java.components.TypeUsage
import org.jetbrains.kotlin.load.java.lazy.JavaResolverComponents
import org.jetbrains.kotlin.load.java.lazy.LazyJavaResolverContext
import org.jetbrains.kotlin.load.java.lazy.TypeParameterResolver
import org.jetbrains.kotlin.load.java.lazy.child
import org.jetbrains.kotlin.load.java.lazy.descriptors.LazyJavaTypeParameterDescriptor
import org.jetbrains.kotlin.load.java.lazy.types.JavaTypeAttributes
import org.jetbrains.kotlin.load.java.lazy.types.JavaTypeResolver
import org.jetbrains.kotlin.load.java.structure.JavaTypeParameter
import org.jetbrains.kotlin.load.java.structure.impl.JavaTypeImpl
import org.jetbrains.kotlin.load.java.structure.impl.JavaTypeParameterImpl
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.psi.*
import org.jetbrains.kotlin.resolve.annotations.JVM_FIELD_ANNOTATION_FQ_NAME
import org.jetbrains.kotlin.resolve.annotations.JVM_STATIC_ANNOTATION_FQ_NAME
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.types.Variance
import org.jetbrains.kotlin.types.typeUtil.supertypes
class KotlinElementActionsFactory : JvmElementActionsFactory() {
companion object {
val javaPsiModifiersMapping = mapOf(
JvmModifier.PRIVATE to KtTokens.PRIVATE_KEYWORD,
JvmModifier.PUBLIC to KtTokens.PUBLIC_KEYWORD,
JvmModifier.PROTECTED to KtTokens.PUBLIC_KEYWORD,
JvmModifier.ABSTRACT to KtTokens.ABSTRACT_KEYWORD
)
}
private class FakeExpressionFromParameter(private val psiParam: PsiParameter) : PsiReferenceExpressionImpl() {
override fun getText(): String = psiParam.name!!
override fun getProject(): Project = psiParam.project
override fun getParent(): PsiElement = psiParam.parent
override fun getType(): PsiType? = psiParam.type
override fun isValid(): Boolean = true
override fun getContainingFile(): PsiFile = psiParam.containingFile
override fun getReferenceName(): String? = psiParam.name
override fun resolve(): PsiElement? = psiParam
}
private class ModifierBuilder(
private val targetContainer: KtElement,
private val allowJvmStatic: Boolean = true
) {
private val psiFactory = KtPsiFactory(targetContainer.project)
val modifierList = psiFactory.createEmptyModifierList()
private fun JvmModifier.transformAndAppend(): Boolean {
javaPsiModifiersMapping[this]?.let {
modifierList.appendModifier(it)
return true
}
when (this) {
JvmModifier.STATIC -> {
if (allowJvmStatic && targetContainer is KtClassOrObject) {
addAnnotation(JVM_STATIC_ANNOTATION_FQ_NAME)
}
}
JvmModifier.ABSTRACT -> modifierList.appendModifier(KtTokens.ABSTRACT_KEYWORD)
JvmModifier.FINAL -> modifierList.appendModifier(KtTokens.FINAL_KEYWORD)
else -> return false
}
return true
}
var isValid = true
private set
fun addJvmModifier(modifier: JvmModifier) {
isValid = isValid && modifier.transformAndAppend()
}
fun addJvmModifiers(modifiers: Iterable<JvmModifier>) {
modifiers.forEach { addJvmModifier(it) }
}
fun addAnnotation(fqName: FqName) {
if (!isValid) return
modifierList.add(psiFactory.createAnnotationEntry("@${fqName.asString()}"))
}
}
class CreatePropertyFix(
private val targetClass: JvmClass,
contextElement: KtElement,
propertyInfo: PropertyInfo
) : CreateCallableFromUsageFix<KtElement>(contextElement, listOf(propertyInfo)) {
override fun getFamilyName() = "Add property"
override fun getText(): String {
val info = callableInfos.first() as PropertyInfo
return buildString {
append("Add '")
if (info.isLateinitPreferred) {
append("lateinit ")
}
append(if (info.writable) "var" else "val")
append("' property '${info.name}' to '${targetClass.name}'")
}
}
}
private fun JvmClass.toKtClassOrFile(): KtElement? {
val psi = sourceElement
return when (psi) {
is KtClassOrObject -> psi
is KtLightClassForSourceDeclaration -> psi.kotlinOrigin
is KtLightClassForFacade -> psi.files.firstOrNull()
else -> null
}
}
private inline fun <reified T : KtElement> JvmElement.toKtElement() = sourceElement?.unwrapped as? T
private fun fakeParametersExpressions(parameters: List<JvmParameter>, project: Project): Array<PsiExpression>? =
when {
parameters.isEmpty() -> emptyArray()
else -> JavaPsiFacade
.getElementFactory(project)
.createParameterList(
parameters.map { it.name }.toTypedArray(),
parameters.map { it.type as? PsiType ?: return null }.toTypedArray()
)
.parameters
.map(::FakeExpressionFromParameter)
.toTypedArray()
}
private fun PsiType.collectTypeParameters(): List<PsiTypeParameter> {
val results = ArrayList<PsiTypeParameter>()
accept(
object : PsiTypeVisitor<Unit>() {
override fun visitArrayType(arrayType: PsiArrayType) {
arrayType.componentType.accept(this)
}
override fun visitClassType(classType: PsiClassType) {
(classType.resolve() as? PsiTypeParameter)?.let { results += it }
classType.parameters.forEach { it.accept(this) }
}
override fun visitWildcardType(wildcardType: PsiWildcardType) {
wildcardType.bound?.accept(this)
}
}
)
return results
}
private fun PsiType.resolveToKotlinType(resolutionFacade: ResolutionFacade): KotlinType? {
val typeParameters = collectTypeParameters()
val components = resolutionFacade.getFrontendService(JavaResolverComponents::class.java)
val rootContext = LazyJavaResolverContext(components, TypeParameterResolver.EMPTY) { null }
val dummyPackageDescriptor = MutablePackageFragmentDescriptor(resolutionFacade.moduleDescriptor, FqName("dummy"))
val dummyClassDescriptor = ClassDescriptorImpl(
dummyPackageDescriptor,
Name.identifier("Dummy"),
Modality.FINAL,
ClassKind.CLASS,
emptyList(),
SourceElement.NO_SOURCE,
false
)
val typeParameterResolver = object : TypeParameterResolver {
override fun resolveTypeParameter(javaTypeParameter: JavaTypeParameter): TypeParameterDescriptor? {
val psiTypeParameter = (javaTypeParameter as JavaTypeParameterImpl).psi
val index = typeParameters.indexOf(psiTypeParameter)
if (index < 0) return null
return LazyJavaTypeParameterDescriptor(rootContext.child(this), javaTypeParameter, index, dummyClassDescriptor)
}
}
val typeResolver = JavaTypeResolver(rootContext, typeParameterResolver)
val attributes = JavaTypeAttributes(TypeUsage.COMMON)
return typeResolver.transformJavaType(JavaTypeImpl.create(this), attributes).approximateFlexibleTypes(preferNotNull = true)
}
private fun ExpectedTypes.toKotlinTypeInfo(resolutionFacade: ResolutionFacade): TypeInfo {
val candidateTypes = flatMapTo(LinkedHashSet<KotlinType>()) {
val ktType = (it.theType as? PsiType)?.resolveToKotlinType(resolutionFacade) ?: return@flatMapTo emptyList()
when (it.theKind) {
ExpectedType.Kind.EXACT, ExpectedType.Kind.SUBTYPE -> listOf(ktType)
ExpectedType.Kind.SUPERTYPE -> listOf(ktType) + ktType.supertypes()
}
}
if (candidateTypes.isEmpty()) {
val nullableAnyType = resolutionFacade.moduleDescriptor.builtIns.nullableAnyType
return TypeInfo(nullableAnyType, Variance.INVARIANT)
}
return TypeInfo.ByExplicitCandidateTypes(candidateTypes.toList())
}
override fun createChangeModifierActions(target: JvmModifiersOwner, request: MemberRequest.Modifier): List<IntentionAction> {
val kModifierOwner = target.toKtElement<KtModifierListOwner>() ?: return emptyList()
val modifier = request.modifier
val shouldPresent = request.shouldPresent
val (kToken, shouldPresentMapped) = if (JvmModifier.FINAL == modifier)
KtTokens.OPEN_KEYWORD to !shouldPresent
else
javaPsiModifiersMapping[modifier] to shouldPresent
if (kToken == null) return emptyList()
val action = if (shouldPresentMapped)
AddModifierFix.createIfApplicable(kModifierOwner, kToken)
else
RemoveModifierFix(kModifierOwner, kToken, false)
return listOfNotNull(action)
}
override fun createAddConstructorActions(targetClass: JvmClass, request: MemberRequest.Constructor): List<IntentionAction> {
val targetKtClass = targetClass.toKtClassOrFile() as? KtClass ?: return emptyList()
if (request.typeParameters.isNotEmpty()) return emptyList()
val modifierBuilder = ModifierBuilder(targetKtClass).apply { addJvmModifiers(request.modifiers) }
if (!modifierBuilder.isValid) return emptyList()
val resolutionFacade = targetKtClass.getResolutionFacade()
val nullableAnyType = resolutionFacade.moduleDescriptor.builtIns.nullableAnyType
val parameterInfos = request.parameters.mapIndexed { index, param ->
val ktType = (param.type as? PsiType)?.resolveToKotlinType(resolutionFacade) ?: nullableAnyType
val name = param.name ?: "arg${index + 1}"
ParameterInfo(TypeInfo(ktType, Variance.IN_VARIANCE), listOf(name))
}
val needPrimary = !targetKtClass.hasExplicitPrimaryConstructor()
val constructorInfo = ConstructorInfo(
parameterInfos,
targetKtClass,
isPrimary = needPrimary,
modifierList = modifierBuilder.modifierList,
withBody = true
)
val addConstructorAction = object : CreateCallableFromUsageFix<KtElement>(targetKtClass, listOf(constructorInfo)) {
override fun getFamilyName() = "Add method"
override fun getText() = "Add ${if (needPrimary) "primary" else "secondary"} constructor to '${targetClass.name}'"
}
val changePrimaryConstructorAction = run {
val primaryConstructor = targetKtClass.primaryConstructor ?: return@run null
val lightMethod = primaryConstructor.toLightMethods().firstOrNull() ?: return@run null
val project = targetKtClass.project
val fakeParametersExpressions = fakeParametersExpressions(request.parameters, project) ?: return@run null
QuickFixFactory.getInstance()
.createChangeMethodSignatureFromUsageFix(
lightMethod,
fakeParametersExpressions,
PsiSubstitutor.EMPTY,
targetKtClass,
false,
2
).takeIf { it.isAvailable(project, null, targetKtClass.containingFile) }
}
return listOfNotNull(changePrimaryConstructorAction, addConstructorAction)
}
override fun createAddPropertyActions(targetClass: JvmClass, request: MemberRequest.Property): List<IntentionAction> {
val targetContainer = targetClass.toKtClassOrFile() ?: return emptyList()
val modifierBuilder = ModifierBuilder(targetContainer).apply { addJvmModifier(request.visibilityModifier) }
if (!modifierBuilder.isValid) return emptyList()
val resolutionFacade = targetContainer.getResolutionFacade()
val nullableAnyType = resolutionFacade.moduleDescriptor.builtIns.nullableAnyType
val ktType = (request.propertyType as? PsiType)?.resolveToKotlinType(resolutionFacade) ?: nullableAnyType
val propertyInfo = PropertyInfo(
request.propertyName,
TypeInfo.Empty,
TypeInfo(ktType, Variance.INVARIANT),
request.setterRequired,
listOf(targetContainer),
modifierList = modifierBuilder.modifierList,
withInitializer = true
)
val propertyInfos = if (request.setterRequired) {
listOf(propertyInfo, propertyInfo.copyProperty(isLateinitPreferred = true))
}
else {
listOf(propertyInfo)
}
return propertyInfos.map { CreatePropertyFix(targetClass, targetContainer, it) }
}
override fun createAddFieldActions(targetClass: JvmClass, request: CreateFieldRequest): List<IntentionAction> {
val targetContainer = targetClass.toKtClassOrFile() ?: return emptyList()
val modifierBuilder = ModifierBuilder(targetContainer, allowJvmStatic = false).apply {
addJvmModifiers(request.modifiers)
addAnnotation(JVM_FIELD_ANNOTATION_FQ_NAME)
}
if (!modifierBuilder.isValid) return emptyList()
val resolutionFacade = targetContainer.getResolutionFacade()
val typeInfo = request.fieldType.toKotlinTypeInfo(resolutionFacade)
val writable = JvmModifier.FINAL !in request.modifiers
val propertyInfo = PropertyInfo(
request.fieldName,
TypeInfo.Empty,
typeInfo,
writable,
listOf(targetContainer),
isForCompanion = JvmModifier.STATIC in request.modifiers,
modifierList = modifierBuilder.modifierList,
withInitializer = true
)
val propertyInfos = if (writable) {
listOf(propertyInfo, propertyInfo.copyProperty(isLateinitPreferred = true))
}
else {
listOf(propertyInfo)
}
return propertyInfos.map { CreatePropertyFix(targetClass, targetContainer, it) }
}
override fun createAddMethodActions(targetClass: JvmClass, request: CreateMethodRequest): List<IntentionAction> {
val targetContainer = targetClass.toKtClassOrFile() ?: return emptyList()
val modifierBuilder = ModifierBuilder(targetContainer).apply { addJvmModifiers(request.modifiers) }
if (!modifierBuilder.isValid) return emptyList()
val resolutionFacade = targetContainer.getResolutionFacade()
val returnTypeInfo = request.returnType.toKotlinTypeInfo(resolutionFacade)
val parameterInfos = request.parameters.map { (suggestedNames, expectedTypes) ->
ParameterInfo(expectedTypes.toKotlinTypeInfo(resolutionFacade), suggestedNames.names.toList())
}
val functionInfo = FunctionInfo(
request.methodName,
TypeInfo.Empty,
returnTypeInfo,
listOf(targetContainer),
parameterInfos,
isAbstract = JvmModifier.ABSTRACT in request.modifiers,
isForCompanion = JvmModifier.STATIC in request.modifiers,
modifierList = modifierBuilder.modifierList,
preferEmptyBody = true
)
val action = object : CreateCallableFromUsageFix<KtElement>(targetContainer, listOf(functionInfo)) {
override fun getFamilyName() = "Add method"
override fun getText() = "Add method '${request.methodName}' to '${targetClass.name}'"
}
return listOf(action)
}
}
@@ -54,8 +54,6 @@ open class KotlinUClass private constructor(
override val psi = unwrap<UClass, PsiClass>(psi)
override fun getSourceElement() = sourcePsi ?: this
override fun getOriginalElement(): PsiElement? = super.getOriginalElement()
override fun getNameIdentifier(): PsiIdentifier? = UastLightIdentifier(psi, ktClass)