| /* |
| * Copyright 2021 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.synthetic |
| |
| import androidx.room.compiler.processing.XAnnotated |
| import androidx.room.compiler.processing.XEquality |
| import androidx.room.compiler.processing.XExecutableParameterElement |
| import androidx.room.compiler.processing.XMemberContainer |
| import androidx.room.compiler.processing.XType |
| import androidx.room.compiler.processing.ksp.KSTypeVarianceResolverScope |
| import androidx.room.compiler.processing.ksp.KspAnnotated |
| import androidx.room.compiler.processing.ksp.KspMethodElement |
| import androidx.room.compiler.processing.ksp.KspProcessingEnv |
| import androidx.room.compiler.processing.ksp.KspType |
| import com.google.devtools.ksp.symbol.KSTypeReference |
| |
| internal class KspSyntheticReceiverParameterElement( |
| val env: KspProcessingEnv, |
| override val enclosingElement: KspMethodElement, |
| val receiverType: KSTypeReference, |
| ) : XExecutableParameterElement, |
| XEquality, |
| XAnnotated by KspAnnotated.create( |
| env = env, |
| delegate = null, // does not matter, this is synthetic and has no annotations. |
| filter = KspAnnotated.UseSiteFilter.NO_USE_SITE |
| ) { |
| |
| override fun isContinuationParam() = false |
| |
| override fun isReceiverParam() = true |
| |
| override fun isKotlinPropertyParam() = false |
| |
| override fun isVarArgs() = false |
| |
| override val name: String by lazy { |
| // KAPT uses `$this$<functionName>` |
| "$" + "this" + "$" + enclosingElement.name |
| } |
| |
| override val equalityItems: Array<out Any?> by lazy { |
| arrayOf(enclosingElement, receiverType) |
| } |
| |
| override val hasDefaultValue: Boolean |
| get() = false |
| |
| override val type: KspType by lazy { |
| createAsMemberOf(closestMemberContainer.type) |
| } |
| |
| override val fallbackLocationText: String |
| get() = "receiver parameter of ${enclosingElement.fallbackLocationText}" |
| |
| // Not applicable |
| override val docComment: String? get() = null |
| |
| override val closestMemberContainer: XMemberContainer by lazy { |
| enclosingElement.closestMemberContainer |
| } |
| |
| override fun asMemberOf(other: XType): KspType { |
| return if (closestMemberContainer.type?.isSameType(other) != false) { |
| type |
| } else { |
| createAsMemberOf(other) |
| } |
| } |
| |
| private fun createAsMemberOf(container: XType?): KspType { |
| check(container is KspType?) |
| val asMemberReceiverType = receiverType.resolve().let { |
| if (container?.ksType == null || it.isError) { |
| return@let it |
| } |
| val asMember = enclosingElement.declaration.asMemberOf(container?.ksType) |
| checkNotNull(asMember.extensionReceiverType) |
| } |
| return env.wrap( |
| originatingReference = receiverType, |
| ksType = asMemberReceiverType, |
| ).copyWithScope( |
| KSTypeVarianceResolverScope.MethodParameter( |
| kspExecutableElement = enclosingElement, |
| parameterIndex = 0, // Receiver param is the 1st one |
| annotated = enclosingElement.declaration, |
| container = container?.ksType?.declaration, |
| asMemberOf = container |
| ) |
| ) |
| } |
| |
| override fun kindName(): String { |
| return "synthetic receiver parameter" |
| } |
| |
| override fun validate(): Boolean { |
| return true |
| } |
| |
| override fun equals(other: Any?): Boolean { |
| return XEquality.equals(this, other) |
| } |
| |
| override fun hashCode(): Int { |
| return XEquality.hashCode(equalityItems) |
| } |
| } |