1 /* 2 * Copyright (C) 2019 Square, Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * https://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.squareup.kotlinpoet 17 18 import javax.lang.model.element.Element 19 20 /** A type that can have originating [elements][Element]. */ 21 public interface OriginatingElementsHolder { 22 23 /** The originating elements of this type. */ 24 public val originatingElements: List<Element> 25 26 /** The builder analogue to [OriginatingElementsHolder] types. */ 27 public interface Builder<out T : Builder<T>> { 28 29 /** Mutable map of the current originating elements this builder contains. */ 30 public val originatingElements: MutableList<Element> 31 32 /** Adds an [originatingElement] to this type's list of originating elements. */ 33 @Suppress("UNCHECKED_CAST") <lambda>null34 public fun addOriginatingElement(originatingElement: Element): T = apply { 35 originatingElements += originatingElement 36 } as T 37 } 38 } 39 buildOriginatingElementsnull40internal fun OriginatingElementsHolder.Builder<*>.buildOriginatingElements() = 41 OriginatingElements(originatingElements.toImmutableList()) 42 43 internal fun List<Element>.buildOriginatingElements() = 44 OriginatingElements(toImmutableList()) 45 46 @JvmInline 47 internal value class OriginatingElements( 48 override val originatingElements: List<Element>, 49 ) : OriginatingElementsHolder 50