tools/codegen/src/com/android/codegen/Debug.kt

/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * 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.android.codegen

import com.github.javaparser.ast.Node

fun Node.dump(indent: String = ""): String {
    return buildString {
        append(indent)
        appendln(dumpOneLineNoChildren())
        childNodes.forEach { child ->
            append(child.dump(indent + "  "))
        }
    }
}

private fun Node.dumpOneLineNoChildren(): String {
    val node = this
    return buildString {
        append(node::class.java.simpleName)
        if (childNodes.isEmpty()) {
            append(": ").append(node.toString())
        }
    }
}