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org.jetbrains.kotlin.psi.FindDocComment.kt Maven / Gradle / Ivy

/*
 * Copyright 2010-2015 JetBrains s.r.o.
 *
 * 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 org.jetbrains.kotlin.psi.findDocComment

import org.jetbrains.kotlin.psi.JetDeclaration
import org.jetbrains.kotlin.kdoc.psi.api.KDoc
import org.jetbrains.kotlin.psi.psiUtil.siblings
import com.intellij.psi.PsiWhiteSpace
import com.intellij.psi.PsiComment
import org.jetbrains.kotlin.psi.psiUtil.allChildren

fun findDocComment(declaration: JetDeclaration): KDoc? {
    return declaration.allChildren
            .dropWhile { it !is KDoc && (it is PsiWhiteSpace || it is PsiComment) }
            .first() as? KDoc
}




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