kotlin.reflect.jvm.internal.impl.renderer.RenderingUtils.kt Maven / Gradle / Ivy

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Kotlin Full Reflection Library

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/*
 * 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 kotlin.reflect.jvm.internal.impl.renderer

import kotlin.reflect.jvm.internal.impl.descriptors.*
import kotlin.reflect.jvm.internal.impl.name.FqNameUnsafe
import kotlin.reflect.jvm.internal.impl.name.Name

public fun qualifiedNameForSourceCode(descriptor: ClassifierDescriptor): String {
    val nameString = descriptor.getName().render()
    if (descriptor is TypeParameterDescriptor) {
        return nameString
    }
    val qualifier = qualifierName(descriptor.getContainingDeclaration())
    return if (qualifier != null && qualifier != "") qualifier + "." + nameString else nameString
}

private fun qualifierName(descriptor: DeclarationDescriptor): String? = when (descriptor) {
    is ClassDescriptor -> qualifiedNameForSourceCode(descriptor)
    is PackageFragmentDescriptor -> descriptor.fqName.toUnsafe().render()
    else -> null
}


public fun Name.render(): String {
    return if (this.shouldBeEscaped()) '`' + asString() + '`' else asString()
}

private fun Name.shouldBeEscaped(): Boolean {
    if (isSpecial()) return false

    val string = asString()
    return string in KeywordStringsGenerated.KEYWORDS || string.any { !Character.isLetterOrDigit(it) && it != '_' }
}

public fun FqNameUnsafe.render(): String {
    return renderFqName(pathSegments())
}

public fun renderFqName(pathSegments: List): String {
    return buildString {
        for (element in pathSegments) {
            if (length > 0) {
                append(".")
            }
            append(element.render())
        }
    }
}