KtIntersectionType¶

class KtIntersectionType : KtElementImplStub<KotlinPlaceHolderStub<KtIntersectionType>> , KtTypeElement

Represents an intersection type combining two types with {@code &}.

Example:¶

fun <T> foo(x: T & Any) {
//             ^_____^
}

Constructors¶

KtIntersectionType¶

constructor(node: ASTNode)

constructor(stub: KotlinPlaceHolderStub<KtIntersectionType>)

Properties¶

`allChildren`¶

val PsiElement.allChildren: PsiChildRange

The range of all direct children of this element, or an empty range if it has none.

`children`¶

open override val children: @NotNull Array<out PsiElement>

`containingFile`¶

@get:NotNull
open override val containingFile: @NotNull PsiFile

`containingKtFile`¶

@get:NotNull
open override val containingKtFile: KtFile

`context`¶

open override val context: PsiElement?

`elementType`¶

open override val elementType: @NotNull IStubElementType<*, *>

`endOffset`¶

val PsiElement.endOffset: Int

The offset just past the end of this element's text range in the file.

`firstChild`¶

open override val firstChild: PsiElement?

`greenStub`¶

@get:Nullable
override val greenStub: @Nullable KotlinPlaceHolderStub<KtIntersectionType>?

`iElementType`¶

open override val iElementType: IElementType?

`isPhysical`¶

open override val isPhysical: Boolean

`isUserDataEmpty`¶

open val isUserDataEmpty: Boolean

`isValid`¶

open override val isValid: Boolean

`isWritable`¶

open override val isWritable: Boolean

`language`¶

@get:NotNull
open override val language: Language

`lastChild`¶

open override val lastChild: PsiElement?

`manager`¶

open override val manager: PsiManagerEx?

`name`¶

open override val name: String?

`navigationElement`¶

@get:NotNull
open override val navigationElement: @NotNull PsiElement

`nextLeafs`¶

val PsiElement.nextLeafs: Sequence<PsiElement>

The following leaf elements as a lazy sequence, nearest first.

`nextSibling`¶

open override val nextSibling: PsiElement?

`node`¶

@get:NotNull
open override var node: @NotNull ASTNode

`originalElement`¶

open override val originalElement: PsiElement?

`ownDeclarations`¶

@get:NotNull
open val ownDeclarations: @NotNull Collection<out @NotNull PsiSymbolDeclaration>

`ownReferences`¶

@get:NotNull
open val ownReferences: @NotNull Collection<out @NotNull PsiSymbolReference>

`parent`¶

open override val parent: PsiElement?

`parents`¶

val PsiElement.parents: Sequence<PsiElement>

The ancestors of this element, from its immediate parent up to and including the containing file.

`parentsWithSelf`¶

val PsiElement.parentsWithSelf: Sequence<PsiElement>

This element and its ancestors, from the element itself up to and including the containing file.

`presentation`¶

open override val presentation: ItemPresentation?

`prevLeafs`¶

val PsiElement.prevLeafs: Sequence<PsiElement>

The preceding leaf elements as a lazy sequence, nearest first.

`prevSibling`¶

open override val prevSibling: PsiElement?

`project`¶

@get:NotNull
open override val project: @NotNull Project

`psiOrParent`¶

@get:NotNull
open override val psiOrParent: KtElement

`pureStartOffset`¶

val KtPureElement.pureStartOffset: Int

The start offset of this element's source, excluding any leading comments.

`reference`¶

open override val reference: PsiReference?

`references`¶

@get:NotNull
open override val references: Array<out PsiReference?>

`resolveScope`¶

@get:NotNull
open override val resolveScope: @NotNull GlobalSearchScope

`startOffset`¶

val PsiElement.startOffset: Int

The offset of the start of this element's text range in the file.

`startOffsetInParent`¶

open override val startOffsetInParent: Int

`startOffsetSkippingComments`¶

val PsiElement.startOffsetSkippingComments: Int

The start offset of this element, skipping leading comments and the whitespace that follows them.

`stub`¶

@get:Nullable
open override val stub: @Nullable KotlinPlaceHolderStub<KtIntersectionType>?

`text`¶

open override val text: String?

`textLength`¶

open override val textLength: Int

`textOffset`¶

open override val textOffset: Int

`textRange`¶

open override val textRange: TextRange?

`textRangeInParent`¶

@get:Contract(pure = true)
@get:NotNull
open val textRangeInParent: @NotNull TextRange

`textRangeWithoutComments`¶

val PsiElement.textRangeWithoutComments: TextRange

The text range of this element excluding any leading comments.

typeArgumentsAsTypes¶

open override val typeArgumentsAsTypes: List<KtTypeReference>

`userDataString`¶

@get:TestOnly
open val userDataString: String?

`userMap`¶

@get:NotNull
open var userMap: @NotNull KeyFMap

`useScope`¶

@get:NotNull
open override val useScope: @NotNull SearchScope

Functions¶

`accept`¶

fun accept(@NotNull visitor: PsiElementVisitor)

open override fun <R, D> accept(visitor: KtVisitor<R, D>, data: D): R

Dispatches this element to the corresponding visit* method of the given visitor and returns its result.

`acceptChildren`¶

open fun acceptChildren(@NotNull visitor: @NotNull PsiElementVisitor)

open fun <D> acceptChildren(@NotNull visitor: KtVisitor<Void, D>, data: D)

Passes each direct child of this element to the given visitor.

`add`¶

open fun add(@NotNull element: @NotNull PsiElement): PsiElement?

`addAfter`¶

open fun addAfter(@NotNull element: @NotNull PsiElement, anchor: PsiElement?): PsiElement?

`addBefore`¶

open fun addBefore(@NotNull element: @NotNull PsiElement, anchor: PsiElement?): PsiElement?

`addInternal`¶

open fun addInternal(
    first: @NotNull ASTNode, 
    last: @NotNull ASTNode, 
    anchor: @Nullable ASTNode?, 
    before: @Nullable Boolean?
): ASTNode?

`addRange`¶

open fun addRange(first: PsiElement?, last: PsiElement?): PsiElement?

`addRangeAfter`¶

open fun addRangeAfter(
    first: PsiElement?, 
    last: PsiElement?, 
    anchor: PsiElement?
): PsiElement?

`addRangeBefore`¶

open fun addRangeBefore(
    @NotNull first: @NotNull PsiElement, 
    @NotNull last: @NotNull PsiElement, 
    anchor: PsiElement?
): PsiElement?

`anyDescendantOfType`¶

inline fun <reified T : PsiElement> PsiElement.anyDescendantOfType(noinline predicate: (T) -> Boolean = { true }): Boolean

Returns true if this element or any descendant of type T satisfies predicate.

inline fun <reified T : PsiElement> PsiElement.anyDescendantOfType(crossinline canGoInside: (PsiElement) -> Boolean, noinline predicate: (T) -> Boolean = { true }): Boolean

Returns true if this element or any descendant of type T satisfies predicate. canGoInside controls traversal into children but does not prevent the current element from being tested.

`before`¶

fun PsiElement.before(element: PsiElement): Boolean

Returns true if this element ends at or before element starts (that is, it precedes element in the file).

`blockExpressionsOrSingle`¶

fun KtElement.blockExpressionsOrSingle(): Sequence<KtElement>

Returns the statements of this element if it is a block, otherwise a single-element sequence of this element.

`canNavigate`¶

open fun canNavigate(): Boolean

`canNavigateToSource`¶

open fun canNavigateToSource(): Boolean

`checkAdd`¶

open fun checkAdd(@NotNull element: @NotNull PsiElement)

`checkDecompiledText`¶

fun PsiElement.checkDecompiledText()

Throws if this element belongs to a compiled file that is backed by a stub. Loading decompiled text is slow and should be avoided; stubs should be used instead. Called by the descendant-traversal helpers as a guard.

`checkDelete`¶

open fun checkDelete()

`collectDescendantsOfType`¶

inline fun <reified T : PsiElement> PsiElement.collectDescendantsOfType(noinline predicate: (T) -> Boolean = { true }): List<T>

Collects this element and all descendants of type T satisfying predicate into a list in post-order.

inline fun <reified T : PsiElement> PsiElement.collectDescendantsOfType(crossinline canGoInside: (PsiElement) -> Boolean, noinline predicate: (T) -> Boolean = { true }): List<T>

Collects this element and all descendants of type T satisfying predicate into a list in post-order. canGoInside controls traversal into children but does not prevent the current element from being collected.

`collectDescendantsOfTypeTo`¶

inline fun <reified T : PsiElement, C : MutableCollection<T>> PsiElement.collectDescendantsOfTypeTo(
    to: C, 
    crossinline canGoInside: (PsiElement) -> Boolean, 
    noinline predicate: (T) -> Boolean = { true }
): C

Adds this element and all descendants of type T satisfying predicate to to in post-order. canGoInside controls traversal into children but does not prevent the current element from being added.

`containingClass`¶

fun KtElement.containingClass(): KtClass?

Returns the nearest enclosing KtClass, or null if there is none.

`copy`¶

open fun copy(): PsiElement?

`copyCopyableDataTo`¶

open fun copyCopyableDataTo(clone: @NotNull UserDataHolderBase)

`copyUserDataTo`¶

open fun copyUserDataTo(other: @NotNull UserDataHolderBase)

delete¶

open fun delete()

Deletes this element.

When KtPsiMutationService is registered, as in the IntelliJ Kotlin plugin, the deletion may also adjust the surrounding code, e.g., delete a semicolon that follows the element. Without the service, it performs only the plain platform deletion.

`deleteChildInternal`¶

open fun deleteChildInternal(child: @NotNull ASTNode)

`deleteChildRange`¶

open fun deleteChildRange(first: PsiElement?, last: PsiElement?)

`findDescendantOfType`¶

inline fun <reified T : PsiElement> PsiElement.findDescendantOfType(noinline predicate: (T) -> Boolean = { true }): T?

Returns the first element of type T in a pre-order traversal of this element and its descendants that satisfies predicate, or null if there is none.

inline fun <reified T : PsiElement> PsiElement.findDescendantOfType(crossinline canGoInside: (PsiElement) -> Boolean, noinline predicate: (T) -> Boolean = { true }): T?

Returns the first element of type T in a pre-order traversal of this element and its descendants that satisfies predicate, or null. canGoInside controls traversal into children but does not prevent the current element from being tested.

`findElementAt`¶

open fun findElementAt(offset: Int): PsiElement?

`findReferenceAt`¶

open fun findReferenceAt(offset: Int): PsiReference?

`forEachDescendantOfType`¶

inline fun <reified T : PsiElement> PsiElement.forEachDescendantOfType(noinline action: (T) -> Unit)

Applies action to this element and every descendant of type T, in post-order (children before parents).

inline fun <reified T : PsiElement> PsiElement.forEachDescendantOfType(crossinline canGoInside: (PsiElement) -> Boolean, noinline action: (T) -> Unit)

Applies action to this element and every descendant of type T, in post-order. canGoInside controls whether each visited element's children are traversed; the element itself is still passed to action when it is a T, even if canGoInside returns false for it.

`forEachDescendantOfTypeInPreorder`¶

inline fun <reified T : PsiElement> PsiElement.forEachDescendantOfTypeInPreorder(noinline action: (T) -> Unit)

Applies action to this element and every descendant of type T, in pre-order (parents before children).

inline fun <reified T : PsiElement> PsiElement.forEachDescendantOfTypeInPreorder(crossinline canGoInside: (PsiElement) -> Boolean, noinline action: (T) -> Unit)

Applies action to this element and every descendant of type T, in pre-order. canGoInside controls whether each visited element's children are traversed; the element itself is still passed to action when it is a T, even if canGoInside returns false for it.

`getAssignmentLhsIfUnwrappable`¶

fun PsiElement.getAssignmentLhsIfUnwrappable(): PsiElement?

Returns the operand this operation applies to, but only when that operand is wrapped in parentheses, a label, or annotations; returns null otherwise.

`getChildOfType`¶

inline fun <reified T : PsiElement> PsiElement.getChildOfType(): T?

Returns the first direct child of type T, or null if there is none.

`getChildren`¶

open fun getChildren(): @NotNull Array<out PsiElement>

`getChildrenOfType`¶

inline fun <reified T : PsiElement> PsiElement.getChildrenOfType(): Array<T>

Returns the direct children of type T, or an empty array if there are none.

`getContainingFile`¶

@NotNull
open fun getContainingFile(): @NotNull PsiFile

getContainingKtFile¶

@NotNull
open fun getContainingKtFile(): KtFile

Returns the KtFile this element belongs to.

`getContext`¶

open fun getContext(): PsiElement?

`getCopyableUserData`¶

open fun <T> getCopyableUserData(@NotNull key: @NotNull Key<T?>): T?

`getElementTextWithContext`¶

fun PsiElement.getElementTextWithContext(): String

Returns this element's text with surrounding source context, for use in diagnostics and log messages.

`getExplicitReceiverOfDotQualified`¶

fun PsiElement.getExplicitReceiverOfDotQualified(): PsiElement?

Returns the source of the explicit receiver if this element is a dot-qualified expression, or null otherwise.

`getFirstChild`¶

open fun getFirstChild(): PsiElement?

`getGreenStub`¶

@Nullable
fun getGreenStub(): @Nullable KotlinPlaceHolderStub<KtIntersectionType>?

`getIcon`¶

@Nullable
open fun getIcon(flags: Int): @Nullable Icon?

getLanguage¶

@NotNull
open fun getLanguage(): Language

`getLastChild`¶

open fun getLastChild(): PsiElement?

`getLastParentOfTypeInRow`¶

inline fun <reified T : PsiElement> PsiElement.getLastParentOfTypeInRow(): T?

Returns the outermost element in an uninterrupted chain of ancestors of type T, or null if the parent is not a T.

`getLastParentOfTypeInRowWithSelf`¶

inline fun <reified T : PsiElement> PsiElement.getLastParentOfTypeInRowWithSelf(): T?

Like getLastParentOfTypeInRow, but the chain may start at this element itself.

getLeftTypeRef¶

fun getLeftTypeRef(): KtTypeReference?

Returns the left operand type of the intersection (the part before &), or null if it is absent in incomplete code.

`getManager`¶

open fun getManager(): PsiManagerEx?

getModificationStamp¶

fun KtElement.getModificationStamp(): Long

Returns the modification stamp of the nearest enclosing element that tracks one (a file, a stub-based declaration, or a supertype list). The stamp changes whenever that element's subtree is modified, so it can be used to invalidate caches keyed on this element.

`getName`¶

open fun getName(): String?

`getNavigationElement`¶

@NotNull
open fun getNavigationElement(): @NotNull PsiElement

`getNextSibling`¶

open fun getNextSibling(): PsiElement?

`getNextSiblingIgnoringWhitespace`¶

fun PsiElement.getNextSiblingIgnoringWhitespace(withItself: Boolean = false): PsiElement?

Returns the next sibling that is not whitespace, or null. Considers this element if withItself.

`getNextSiblingIgnoringWhitespaceAndComments`¶

fun PsiElement.getNextSiblingIgnoringWhitespaceAndComments(withItself: Boolean = false): PsiElement?

Returns the next sibling that is neither whitespace nor a comment, or null. Considers this element if withItself.

`getNode`¶

@NotNull
open fun getNode(): @NotNull ASTNode

`getNonStrictParentOfType`¶

inline fun <reified T : PsiElement> PsiElement.getNonStrictParentOfType(): T?

Returns the nearest ancestor of type T including this element, or null if there is none.

fun <T : PsiElement> PsiElement.getNonStrictParentOfType(parentClass: Class<T>): T?

Returns the nearest ancestor of type T (including this element), or null if there is none.

`getOriginalElement`¶

open fun getOriginalElement(): PsiElement?

`getOutermostParentContainedIn`¶

tailrec fun PsiElement.getOutermostParentContainedIn(container: PsiElement): PsiElement?

Returns the outermost element on the path from this element that is still strictly contained in container, or null.

`getParent`¶

open fun getParent(): PsiElement?

`getParentOfType`¶

inline fun <reified T : PsiElement> PsiElement.getParentOfType(strict: Boolean): T?

Returns the nearest ancestor of type T, or null. When strict is false, this element itself is also considered.

inline fun <reified T : PsiElement> PsiElement.getParentOfType(strict: Boolean, vararg stopAt: Class<out PsiElement>): T?

Returns the nearest ancestor of type T, stopping the search once an ancestor of any type in stopAt is reached, or null. When strict is false, this element itself is also considered.

`getParentOfTypeAndBranch`¶

inline fun <reified T : PsiElement> PsiElement.getParentOfTypeAndBranch(strict: Boolean = false, noinline branch: T.() -> PsiElement?): T?

Checks the nearest element of type T and returns it if this element lies within the subtree selected by branch. If that candidate's branch does not contain this element, returns null without checking higher ancestors. When strict is false, this element itself is also considered as the candidate.

`getParentOfTypeAndBranches`¶

inline fun <reified T : PsiElement> PsiElement.getParentOfTypeAndBranches(strict: Boolean = false, noinline branches: T.() -> Iterable<PsiElement?>): T?

Checks the nearest element of type T and returns it if this element lies within any subtree selected by branches. If none of that candidate's branches contain this element, returns null without checking higher ancestors. When strict is false, this element itself is also considered as the candidate.

`getParentOfTypes`¶

fun <T : PsiElement> PsiElement.getParentOfTypes(strict: Boolean = false, vararg parentClasses: Class<out T>): T?

Returns the nearest ancestor that is an instance of one of parentClasses, or null if there is none. When strict is false, this element itself is also considered.

`getParentOfTypes2`¶

inline fun <reified T : PsiElement, reified V : PsiElement> PsiElement.getParentOfTypes2(): PsiElement?

Returns the nearest strict ancestor that is a T or V, or null if there is none.

`getParentOfTypes3`¶

inline fun <reified T : PsiElement, reified V : PsiElement, reified U : PsiElement> PsiElement.getParentOfTypes3(): PsiElement?

Returns the nearest strict ancestor that is a T, V, or U, or null if there is none.

`getParentOfTypesAndPredicate`¶

fun <T : PsiElement> PsiElement.getParentOfTypesAndPredicate(
    strict: Boolean = false, 
    vararg parentClasses: Class<out T>, 
    predicate: (T) -> Boolean
): T?

Returns the nearest ancestor that is an instance of one of parentClasses and satisfies predicate, or null. When parentClasses is empty, any type matches. When strict is false, this element itself is also considered.

`getPresentation`¶

open fun getPresentation(): ItemPresentation?

`getPrevSibling`¶

open fun getPrevSibling(): PsiElement?

`getPrevSiblingIgnoringWhitespace`¶

fun PsiElement.getPrevSiblingIgnoringWhitespace(withItself: Boolean = false): PsiElement?

Returns the previous sibling that is not whitespace, or null. Considers this element if withItself.

`getPrevSiblingIgnoringWhitespaceAndComments`¶

fun PsiElement.getPrevSiblingIgnoringWhitespaceAndComments(withItself: Boolean = false): PsiElement?

Returns the previous sibling that is neither whitespace nor a comment, or null. Considers this element if withItself.

`getProject`¶

@NotNull
open fun getProject(): @NotNull Project

getPsiOrParent¶

@NotNull
open fun getPsiOrParent(): KtElement

Returns this or parent source element (for synthetic element declarations). Use it only for the purposes of source attribution.

`getQualifiedElementSelector`¶

fun KtElement.getQualifiedElementSelector(): KtElement?

Returns the rightmost selector of this qualified element, or null if there is no such selector.

`getQualifiedExpressionForSelector`¶

fun KtElement.getQualifiedExpressionForSelector(): KtQualifiedExpression?

Returns the qualified expression in which this element is the selector, or null if it is not a selector.

getReference¶

open fun getReference(): PsiReference

getReferences¶

@NotNull
open fun getReferences(): Array<PsiReference>

`getRequiredStubOrPsiChild`¶

fun <S : StubElement<*>?, Psi : PsiElement?> getRequiredStubOrPsiChild(elementType: @NotNull IStubElementType<S?, Psi?>): @NotNull Psi & Any

fun getRequiredStubOrPsiChild(elementType: @NotNull IElementType): @NotNull PsiElement

fun <Psi : PsiElement?> getRequiredStubOrPsiChild(elementType: @NotNull IElementType, psiClass: @NotNull Class<Psi?>): @NotNull Psi & Any

`getResolveScope`¶

@NotNull
open fun getResolveScope(): @NotNull GlobalSearchScope

getRightTypeRef¶

fun getRightTypeRef(): KtTypeReference?

Returns the right operand type of the intersection (the part after &), or null if it is absent in incomplete code.

`getStartOffsetIn`¶

fun PsiElement.getStartOffsetIn(ancestor: PsiElement): Int

Returns the offset of this element relative to the start of ancestor (which must be an ancestor of this element).

`getStartOffsetInParent`¶

open fun getStartOffsetInParent(): Int

`getStrictParentOfType`¶

inline fun <reified T : PsiElement> PsiElement.getStrictParentOfType(): T?

Returns the nearest strict ancestor of type T, or null if there is none.

`getStub`¶

@Nullable
open fun getStub(): @Nullable KotlinPlaceHolderStub<KtIntersectionType>?

`getStubOrPsiChild`¶

open fun <Psi : PsiElement?> getStubOrPsiChild(elementType: @NotNull IStubElementType<out StubElement<*>?, Psi?>): @Nullable Psi?

fun getStubOrPsiChild(elementType: @NotNull IElementType): @Nullable PsiElement?

fun <Psi : PsiElement?> getStubOrPsiChild(elementType: @NotNull IElementType, psiClass: @NotNull Class<Psi?>): @Nullable Psi?

`getStubOrPsiChildren`¶

fun <S : StubElement<*>?, Psi : PsiElement?> getStubOrPsiChildren(elementType: @NotNull IStubElementType<S?, out Psi?>, f: @NotNull ArrayFactory<out Psi?>): @NotNull Array<out Psi?>

fun <S : StubElement<*>?, Psi : PsiElement?> getStubOrPsiChildren(elementType: @NotNull IStubElementType<S?, out Psi?>, array: @NotNull Array<out Psi?>): @NotNull Array<out Psi?>

fun <Psi : PsiElement?> getStubOrPsiChildren(elementType: @NotNull IElementType, f: @NotNull ArrayFactory<out Psi?>): @NotNull Array<out Psi?>

fun <Psi : PsiElement?> getStubOrPsiChildren(elementType: @NotNull IElementType, array: @NotNull Array<out Psi?>): @NotNull Array<out Psi?>

open fun <Psi : PsiElement?> getStubOrPsiChildren(filter: @NotNull TokenSet, f: @NotNull ArrayFactory<out Psi?>): @NotNull Array<out Psi?>

open fun <Psi : PsiElement?> getStubOrPsiChildren(filter: @NotNull TokenSet, array: @NotNull Array<out Psi?>): @NotNull Array<out Psi?>

`getSuperNames`¶

fun StubBasedPsiElementBase<out KotlinClassOrObjectStub<out KtClassOrObject>>.getSuperNames(): List<String>

Returns the unqualified names indexed as this class's superclass names. For names that might be imported through an alias, this includes both the original and aliased names; reference resolution during inheritor search disambiguates them.

`getText`¶

open fun getText(): String?

`getTextLength`¶

open fun getTextLength(): Int

`getTextOffset`¶

open fun getTextOffset(): Int

`getTextRange`¶

open fun getTextRange(): TextRange?

`getTextWithLocation`¶

fun PsiElement.getTextWithLocation(): String

Returns this element's text together with its source location, for use in diagnostics and log messages.

`getTopmostParentOfType`¶

inline fun <reified T : PsiElement> PsiElement.getTopmostParentOfType(): T?

Returns the outermost ancestor of type T including this element, or null if there is none.

getTypeArgumentsAsTypes¶

open override fun getTypeArgumentsAsTypes(): List<KtTypeReference>

Always empty: an intersection type has no type arguments (its operands are getLeftTypeRef and getRightTypeRef).

`getUserData`¶

open fun <T> getUserData(@NotNull key: @NotNull Key<T?>): T?

`getUseScope`¶

@NotNull
open fun getUseScope(): @NotNull SearchScope

`isAncestor`¶

fun PsiElement?.isAncestor(element: PsiElement, strict: Boolean = false): Boolean

Returns true if this element is an ancestor of element. When strict is false, an element is its own ancestor.

`isContextualDeclaration`¶

fun KtElement.isContextualDeclaration(): Boolean

Returns true if this callable, class, or object declares at least one legacy context receiver. Named context parameters are ignored.

`isCopyableDataEqual`¶

open fun isCopyableDataEqual(other: @NotNull UserDataHolderBase): Boolean

`isEquivalentTo`¶

open fun isEquivalentTo(another: PsiElement?): Boolean

`isExtensionDeclaration`¶

fun PsiElement.isExtensionDeclaration(): Boolean

Returns true if this element is an extension function or property (that is, it declares a receiver).

`isFirstStatement`¶

fun KtElement.isFirstStatement(): Boolean

Returns true if this element is the first statement of its enclosing block.

`isFunctionalExpression`¶

fun PsiElement.isFunctionalExpression(): Boolean

Returns true if this element is an anonymous function, such as the fun expression in val predicate = fun(x: Int): Boolean = x > 0.

`isInsideOf`¶

fun PsiElement.isInsideOf(elements: Iterable<PsiElement>): Boolean

Returns true if this element lies within, or is equal to, any of the given elements.

`isPhysical`¶

open fun isPhysical(): Boolean

`isTopLevelKtOrJavaMember`¶

fun PsiElement.isTopLevelKtOrJavaMember(): Boolean

Returns true if this element is a top-level member of a Kotlin file or a top-level Java class.

`isValid`¶

open fun isValid(): Boolean

`isWritable`¶

open fun isWritable(): Boolean

`navigate`¶

open fun navigate(requestFocus: Boolean)

`navigationRequest`¶

@RequiresReadLock
@RequiresBackgroundThread
@Nullable
open fun navigationRequest(): @Nullable NavigationRequest?

`nextLeaf`¶

fun PsiElement.nextLeaf(skipEmptyElements: Boolean = false): PsiElement?

Returns the next leaf element in the tree, or null if there is none. Empty leaves are skipped if skipEmptyElements.

fun PsiElement.nextLeaf(filter: (PsiElement) -> Boolean): PsiElement?

Returns the nearest following leaf that satisfies filter, or null if there is none.

`nonStaticOuterClasses`¶

fun KtElement.nonStaticOuterClasses(): Sequence<KtClass>

Returns the enclosing classes that this element can access an outer instance of, from innermost to outermost.

`parameterIndex`¶

fun PsiElement.parameterIndex(): Int

Returns the index of this parameter within its own parameter list (Kotlin or Java), or -1 if it is not a parameter.

`prevLeaf`¶

fun PsiElement.prevLeaf(skipEmptyElements: Boolean = false): PsiElement?

Returns the previous leaf element in the tree, or null if there is none. Empty leaves are skipped if skipEmptyElements.

fun PsiElement.prevLeaf(filter: (PsiElement) -> Boolean): PsiElement?

Returns the nearest preceding leaf that satisfies filter, or null if there is none.

`processDeclarations`¶

open fun processDeclarations(
    @NotNull processor: @NotNull PsiScopeProcessor, 
    @NotNull state: @NotNull ResolveState, 
    lastParent: PsiElement?, 
    @NotNull place: @NotNull PsiElement
): Boolean

`putCopyableUserData`¶

open fun <T> putCopyableUserData(@NotNull key: @NotNull Key<T?>, value: T?)

`putUserData`¶

open fun <T> putUserData(@NotNull key: @NotNull Key<T?>, @Nullable value: @Nullable T?)

`putUserDataIfAbsent`¶

open fun <T> putUserDataIfAbsent(key: @NotNull Key<T?>, value: @NotNull T & Any): @NotNull T & Any

rawDelete¶

open fun rawDelete()

Deletes this PSI element using the raw platform implementation, bypassing Kotlin PSI-specific delete overrides.

Regular clients should use delete instead. When KtPsiMutationService is not registered, it performs the same plain deletion, and when the service is registered, as in the IntelliJ Kotlin plugin, it may also adjust the surrounding code, e.g., delete a semicolon that follows the element.

`replace`¶

open fun replace(@NotNull newElement: @NotNull PsiElement): PsiElement?

open fun <T> replace(
    key: @NotNull Key<T?>, 
    oldValue: @Nullable T?, 
    newValue: @Nullable T?
): Boolean

`replaceChildInternal`¶

open fun replaceChildInternal(child: PsiElement?, newElement: TreeElement?)

`setSubstrateRef`¶

fun setSubstrateRef(substrateRef: @NotNull SubstrateRef)

`siblings`¶

fun PsiElement.siblings(forward: Boolean = true, withItself: Boolean = true): Sequence<PsiElement>

Returns the siblings of this element as a lazy sequence, going forward (or backward) and optionally including the element itself (withItself).

`startsWithComment`¶

fun PsiElement.startsWithComment(): Boolean

Returns true if this element's first child is a comment.

`subtreeChanged`¶

open fun subtreeChanged()

`textContains`¶

open fun textContains(c: Char): Boolean

`textMatches`¶

open fun textMatches(@NotNull text: @NotNull CharSequence): Boolean

open fun textMatches(@NotNull element: @NotNull PsiElement): Boolean

`textToCharArray`¶

open fun textToCharArray(): @NotNull CharArray

toString¶

open fun toString(): String

`unwrapNullability`¶

tailrec fun KtTypeElement.unwrapNullability(): KtTypeElement?

Returns this type after stripping all outer KtNullableType layers. Returns null only if a nullable-type node is malformed and has no inner type.

`unwrapParenthesesLabelsAndAnnotations`¶

fun PsiElement?.unwrapParenthesesLabelsAndAnnotations(): PsiElement?

Recursively unwraps this element while it is a parenthesized, labeled, or annotated expression, returning the innermost base element. A non-wrapper element is returned unchanged.

`unwrapParenthesesLabelsAndAnnotationsDeeply`¶

fun PsiElement.unwrapParenthesesLabelsAndAnnotationsDeeply(): PsiElement

Walks up through immediately enclosing parentheses, labels, and annotations, returning the first parent outside that wrapper chain.