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/*
* Copyright 2020 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.XMethodType
import androidx.room.compiler.processing.XSuspendMethodType
import androidx.room.compiler.processing.XType
import androidx.room.compiler.processing.XTypeVariableType
import com.squareup.javapoet.TypeVariableName
internal sealed class KspMethodType(
env: KspProcessingEnv,
override val origin: KspMethodElement,
containing: KspType?
) : KspExecutableType(env, origin, containing), XMethodType {
override val typeVariables: List<XTypeVariableType> by lazy {
origin.declaration.typeParameters.map {
KspMethodTypeVariableType(env, it)
}
}
@Deprecated(
"Use typeVariables property and convert to JavaPoet names.",
replaceWith = ReplaceWith(
"typeVariables.map { it.asTypeName().toJavaPoet() }",
"androidx.room.compiler.codegen.toJavaPoet"
)
)
override val typeVariableNames: List<TypeVariableName> by lazy {
typeVariables.map { it.asTypeName().java as TypeVariableName }
}
private class KspNormalMethodType(
env: KspProcessingEnv,
origin: KspMethodElement,
containing: KspType?
) : KspMethodType(env, origin, containing) {
override val returnType: XType by lazy {
origin.declaration.returnKspType(
env = env,
containing = containing
).copyWithScope(
KSTypeVarianceResolverScope.MethodReturnType(
method = origin,
asMemberOf = containing
)
)
}
}
private class KspSuspendMethodType(
env: KspProcessingEnv,
origin: KspMethodElement,
containing: KspType?
) : KspMethodType(env, origin, containing), XSuspendMethodType {
override val returnType: XType
// suspend functions always return Any?, no need to call asMemberOf
get() = origin.returnType
override fun getSuspendFunctionReturnType(): XType {
// suspend functions work w/ continuation so it is always boxed
return env.wrap(
ksType = origin.declaration.returnTypeAsMemberOf(
ksType = containing?.ksType
),
allowPrimitives = false
)
}
}
companion object {
fun create(
env: KspProcessingEnv,
origin: KspMethodElement,
containing: KspType?
) = if (origin.isSuspendFunction()) {
KspSuspendMethodType(env, origin, containing)
} else {
KspNormalMethodType(env, origin, containing)
}
}
}