org.jetbrains.kotlin.js.patterns.typePredicates.typePredicates.kt Maven / Gradle / Ivy
/*
* 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.js.patterns.typePredicates
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.types.KotlinType
import java.util.function.Predicate
interface TypePredicate : Predicate
private val KOTLIN = TypePredicateImpl("kotlin")
val COMPARABLE: TypePredicate = KOTLIN.inner("Comparable")
val CHAR_SEQUENCE: TypePredicate = KOTLIN.inner("CharSequence")
// TODO: replace all NamePredicate usages to TypePredicate
/**
* A more precise NamePredicate analog, that checks fully-qualified
* name rather than simple name.
*
* @see org.jetbrains.kotlin.js.patterns.NamePredicate
*/
private class TypePredicateImpl
private constructor (private val nameParts: List)
: TypePredicate {
constructor(name: String) : this(listOf(name))
override fun test(type: KotlinType): Boolean {
var descriptor: DeclarationDescriptor? = type.constructor.declarationDescriptor ?: return false
for (i in nameParts.lastIndex downTo 0) {
if (nameParts[i] != descriptor?.name?.asString()) return false
descriptor = descriptor.containingDeclaration
}
return true
}
fun inner(name: String) = TypePredicateImpl(nameParts + listOf(name))
}