org.jetbrains.kotlin.load.java.InternalFlexibleTypeTransformer.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.load.java
import org.jetbrains.kotlin.name.ClassId
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.resolve.DescriptorUtils
import org.jetbrains.kotlin.resolve.TypeResolver.TypeTransformerForTests
import org.jetbrains.kotlin.types.*
object InternalFlexibleTypeTransformer : TypeTransformerForTests() {
// This is a "magic" classifier: when type resolver sees it in the code, e.g. ft, instead of creating a normal type,
// it creates a flexible type, e.g. (Foo..Foo?).
// This is used in tests and Evaluate Expression to have flexible types in the code,
// but normal users should not be referencing this classifier
@JvmField
val FLEXIBLE_TYPE_CLASSIFIER: ClassId = ClassId.topLevel(FqName("kotlin.internal.flexible.ft"))
override fun transformType(kotlinType: KotlinType): KotlinType? {
val descriptor = kotlinType.constructor.declarationDescriptor
if (descriptor != null && FLEXIBLE_TYPE_CLASSIFIER.asSingleFqName().toUnsafe() == DescriptorUtils.getFqName(descriptor)
&& kotlinType.arguments.size == 2) {
return KotlinTypeFactory.flexibleType(kotlinType.arguments[0].type.unwrap() as SimpleType, kotlinType.arguments[1].type.unwrap() as SimpleType)
}
return null
}
}