KspTypeVariableType.kt
/*
* Copyright 2022 The Android Open Source Project
*
* 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 androidx.room.compiler.processing.ksp
import androidx.room.compiler.processing.XNullability
import androidx.room.compiler.processing.XType
import androidx.room.compiler.processing.XTypeVariableType
import com.google.devtools.ksp.symbol.KSType
import com.google.devtools.ksp.symbol.KSTypeParameter
import com.squareup.kotlinpoet.javapoet.JTypeName
import com.squareup.kotlinpoet.javapoet.KTypeName
internal class KspTypeVariableType(
env: KspProcessingEnv,
ksType: KSType,
jvmTypeResolver: KspJvmTypeResolver?
) : KspType(
env = env,
ksType = ksType,
jvmTypeResolver = jvmTypeResolver
), XTypeVariableType {
private val typeVariable: KSTypeParameter by lazy {
// Note: This is a workaround for a bug in KSP where we may get ERROR_TYPE in the bounds
// (https://github.com/google/ksp/issues/1250). To work around it we get the matching
// KSTypeParameter from the parent declaration instead.
ksType.declaration.parentDeclaration!!.typeParameters
.filter { it.name == (ksType.declaration as KSTypeParameter).name }
.single()
}
override fun resolveJTypeName(): JTypeName {
return typeVariable.asJTypeName(env.resolver)
}
override fun resolveKTypeName(): KTypeName {
return typeVariable.asKTypeName(env.resolver)
}
override val upperBounds: List<XType> = typeVariable.bounds.map(env::wrap).toList()
override fun boxed(): KspTypeVariableType {
return this
}
override fun copyWithNullability(nullability: XNullability): KspTypeVariableType {
return KspTypeVariableType(
env = env,
ksType = ksType,
jvmTypeResolver = jvmTypeResolver
)
}
override fun copyWithJvmTypeResolver(jvmTypeResolver: KspJvmTypeResolver): KspType {
return KspTypeVariableType(
env = env,
ksType = ksType,
jvmTypeResolver = jvmTypeResolver
)
}
}