org.jetbrains.kotlin.load.java.lazy.descriptors.DeclaredMemberIndex.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.load.java.lazy.descriptors
import org.jetbrains.kotlin.load.java.components.DescriptorResolverUtils
import org.jetbrains.kotlin.load.java.structure.JavaClass
import org.jetbrains.kotlin.load.java.structure.JavaField
import org.jetbrains.kotlin.load.java.structure.JavaMember
import org.jetbrains.kotlin.load.java.structure.JavaMethod
import org.jetbrains.kotlin.name.Name
interface DeclaredMemberIndex {
fun findMethodsByName(name: Name): Collection
fun getMethodNames(): Set
fun findFieldByName(name: Name): JavaField?
fun getFieldNames(): Set
object Empty : DeclaredMemberIndex {
override fun findMethodsByName(name: Name) = listOf()
override fun getMethodNames() = emptySet()
override fun findFieldByName(name: Name): JavaField? = null
override fun getFieldNames() = emptySet()
}
}
open class ClassDeclaredMemberIndex(
val jClass: JavaClass,
private val memberFilter: (JavaMember) -> Boolean
) : DeclaredMemberIndex {
private val methodFilter = { m: JavaMethod ->
memberFilter(m) && !DescriptorResolverUtils.isObjectMethodInInterface(m)
}
private val methods = jClass.methods.asSequence().filter(methodFilter).groupBy { m -> m.name }
private val fields = jClass.fields.asSequence().filter(memberFilter).associateBy { m -> m.name }
override fun findMethodsByName(name: Name): Collection = methods[name] ?: listOf()
override fun getMethodNames(): Set = jClass.methods.asSequence().filter(methodFilter).mapTo(mutableSetOf(), JavaMethod::name)
override fun findFieldByName(name: Name): JavaField? = fields[name]
override fun getFieldNames(): Set = jClass.fields.asSequence().filter(memberFilter).mapTo(mutableSetOf(), JavaField::name)
}