org.jetbrains.kotlin.descriptors.descriptorPsiUtils.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2016 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.descriptors

import org.jetbrains.kotlin.descriptors.impl.SyntheticFieldDescriptor
import org.jetbrains.kotlin.psi.KtDeclarationWithBody
import org.jetbrains.kotlin.resolve.DescriptorToSourceUtils

fun PropertyAccessorDescriptor.hasBody(): Boolean {
    val ktAccessor = DescriptorToSourceUtils.getSourceFromDescriptor(this) as? KtDeclarationWithBody
    return ktAccessor != null && ktAccessor.hasBody()
}

fun isBackingFieldReference(descriptor: DeclarationDescriptor?): Boolean {
    return descriptor is SyntheticFieldDescriptor
}

/**
 * @return naturally-ordered list of the parameters that can have values specified at call site.
 */
val CallableDescriptor.explicitParameters: List
    get() {
        val result = ArrayList(valueParameters.size + 2)

        this.dispatchReceiverParameter?.let {
            result.add(it)
        }

        this.extensionReceiverParameter?.let {
            result.add(it)
        }

        result.addAll(valueParameters)

        return result
    }