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/*
* Copyright 2020 Google LLC
* Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
*
* 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 com.google.devtools.ksp.visitor
import com.google.devtools.ksp.symbol.*
/**
* Visit all elements recursively.
*
* For subclasses overriding a function, remember to call the corresponding super method.
*/
abstract class KSTopDownVisitor<D, R> : KSDefaultVisitor<D, R>() {
private fun Sequence<KSNode>.accept(data: D) {
forEach { it.accept(this@KSTopDownVisitor, data) }
}
private fun List<KSNode>.accept(data: D) {
forEach { it.accept(this@KSTopDownVisitor, data) }
}
private fun KSNode.accept(data: D) = accept(this@KSTopDownVisitor, data)
override fun visitPropertyDeclaration(property: KSPropertyDeclaration, data: D): R {
property.type.accept(data)
property.extensionReceiver?.accept(data)
property.getter?.accept(data)
property.setter?.accept(data)
return super.visitPropertyDeclaration(property, data)
}
override fun visitAnnotated(annotated: KSAnnotated, data: D): R {
annotated.annotations.accept(data)
return super.visitAnnotated(annotated, data)
}
override fun visitClassDeclaration(classDeclaration: KSClassDeclaration, data: D): R {
classDeclaration.superTypes.accept(data)
return super.visitClassDeclaration(classDeclaration, data)
}
override fun visitDeclaration(declaration: KSDeclaration, data: D): R {
declaration.typeParameters.accept(data)
return super.visitDeclaration(declaration, data)
}
override fun visitDeclarationContainer(declarationContainer: KSDeclarationContainer, data: D): R {
declarationContainer.declarations.accept(data)
return super.visitDeclarationContainer(declarationContainer, data)
}
override fun visitAnnotation(annotation: KSAnnotation, data: D): R {
annotation.annotationType.accept(data)
annotation.arguments.accept(data)
return super.visitAnnotation(annotation, data)
}
override fun visitFunctionDeclaration(function: KSFunctionDeclaration, data: D): R {
function.extensionReceiver?.accept(data)
function.parameters.accept(data)
function.returnType?.accept(data)
return super.visitFunctionDeclaration(function, data)
}
override fun visitCallableReference(reference: KSCallableReference, data: D): R {
reference.functionParameters.accept(data)
reference.receiverType?.accept(data)
reference.returnType.accept(data)
return super.visitCallableReference(reference, data)
}
override fun visitParenthesizedReference(reference: KSParenthesizedReference, data: D): R {
reference.element.accept(data)
return super.visitParenthesizedReference(reference, data)
}
override fun visitPropertyGetter(getter: KSPropertyGetter, data: D): R {
getter.returnType?.accept(data)
return super.visitPropertyGetter(getter, data)
}
override fun visitPropertySetter(setter: KSPropertySetter, data: D): R {
setter.parameter.accept(data)
return super.visitPropertySetter(setter, data)
}
override fun visitReferenceElement(element: KSReferenceElement, data: D): R {
element.typeArguments.accept(data)
return super.visitReferenceElement(element, data)
}
override fun visitTypeAlias(typeAlias: KSTypeAlias, data: D): R {
typeAlias.type.accept(data)
return super.visitTypeAlias(typeAlias, data)
}
override fun visitTypeArgument(typeArgument: KSTypeArgument, data: D): R {
typeArgument.type?.accept(data)
return super.visitTypeArgument(typeArgument, data)
}
override fun visitTypeParameter(typeParameter: KSTypeParameter, data: D): R {
typeParameter.bounds.accept(data)
return super.visitTypeParameter(typeParameter, data)
}
override fun visitTypeReference(typeReference: KSTypeReference, data: D): R {
typeReference.element?.accept(data)
return super.visitTypeReference(typeReference, data)
}
override fun visitClassifierReference(reference: KSClassifierReference, data: D): R {
reference.qualifier?.accept(data)
return super.visitClassifierReference(reference, data)
}
override fun visitDefNonNullReference(reference: KSDefNonNullReference, data: D): R {
reference.enclosedType.accept(data)
return super.visitDefNonNullReference(reference, data)
}
override fun visitValueParameter(valueParameter: KSValueParameter, data: D): R {
valueParameter.type?.accept(data)
return super.visitValueParameter(valueParameter, data)
}
}
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