1 /* 2 * Copyright (C) 2017 The Android Open Source Project 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 * http://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 17 package com.android.tools.metalava.model.psi 18 19 import com.android.tools.metalava.model.Item 20 import com.android.tools.metalava.model.ItemLanguage 21 import com.intellij.psi.PsiElement 22 import org.jetbrains.kotlin.idea.KotlinLanguage 23 import org.jetbrains.uast.UElement 24 25 internal interface PsiItem : Item { 26 27 override val codebase: PsiBasedCodebase 28 29 /** The source PSI provided by UAST */ 30 val sourcePsi 31 get() = (psi() as? UElement)?.sourcePsi 32 33 /** Returns the PSI element for this item */ psinull34 fun psi(): PsiElement 35 } 36 37 /** Get the [ItemLanguage] for this [PsiElement]. */ 38 val PsiElement.itemLanguage 39 get() = if (isKotlin()) ItemLanguage.KOTLIN else ItemLanguage.JAVA 40 41 /** Check whether this [PsiElement] is Kotlin or not. */ 42 fun PsiElement.isKotlin(): Boolean { 43 return language === KotlinLanguage.INSTANCE 44 } 45