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 @JvmDefaultWithCompatibility 28 public interface Builder<out T : Builder<T>> { 29 30 /** Mutable map of the current originating elements this builder contains. */ 31 public val originatingElements: MutableList<Element> 32 33 /** Adds an [originatingElement] to this type's list of originating elements. */ 34 @Suppress("UNCHECKED_CAST") <lambda>null35 public fun addOriginatingElement(originatingElement: Element): T = apply { 36 originatingElements += originatingElement 37 } as T 38 } 39 } 40 buildOriginatingElementsnull41internal fun OriginatingElementsHolder.Builder<*>.buildOriginatingElements() = 42 OriginatingElements(originatingElements.toImmutableList()) 43 44 internal fun List<Element>.buildOriginatingElements() = 45 OriginatingElements(toImmutableList()) 46 47 @JvmInline 48 internal value class OriginatingElements( 49 override val originatingElements: List<Element>, 50 ) : OriginatingElementsHolder 51