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/*
* Copyright 2010-2015 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.inline
import org.jetbrains.kotlin.descriptors.DescriptorVisibilities
import org.jetbrains.kotlin.load.kotlin.header.KotlinClassHeader
import org.jetbrains.kotlin.metadata.ProtoBuf
import org.jetbrains.kotlin.metadata.deserialization.Flags
import org.jetbrains.kotlin.metadata.deserialization.NameResolver
import org.jetbrains.kotlin.metadata.deserialization.TypeTable
import org.jetbrains.kotlin.metadata.deserialization.getExtensionOrNull
import org.jetbrains.kotlin.metadata.jvm.JvmProtoBuf
import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmMemberSignature
import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmProtoBufUtil
import org.jetbrains.kotlin.serialization.deserialization.ProtoEnumFlags
import org.jetbrains.kotlin.serialization.deserialization.descriptorVisibility
sealed interface InlineFunctionOrAccessor {
val jvmMethodSignature: JvmMemberSignature.Method
}
data class InlineFunction(
override val jvmMethodSignature: JvmMemberSignature.Method,
/** The Kotlin name of the function. It may be different from the JVM name of the function if [JvmName] is used. */
val kotlinFunctionName: String
) : InlineFunctionOrAccessor
data class InlinePropertyAccessor(
override val jvmMethodSignature: JvmMemberSignature.Method,
/** The name of the property that this property accessor belongs to. */
val propertyName: String
) : InlineFunctionOrAccessor
fun inlineFunctionsAndAccessors(header: KotlinClassHeader, excludePrivateMembers: Boolean = false): List {
val data = header.data ?: return emptyList()
val strings = header.strings ?: return emptyList()
return when (header.kind) {
KotlinClassHeader.Kind.CLASS -> {
val (nameResolver, classProto) = JvmProtoBufUtil.readClassDataFrom(data, strings)
inlineFunctions(classProto.functionList, nameResolver, classProto.typeTable, excludePrivateMembers) +
inlinePropertyAccessors(classProto.propertyList, nameResolver, excludePrivateMembers)
}
KotlinClassHeader.Kind.FILE_FACADE,
KotlinClassHeader.Kind.MULTIFILE_CLASS_PART -> {
val (nameResolver, packageProto) = JvmProtoBufUtil.readPackageDataFrom(data, strings)
inlineFunctions(packageProto.functionList, nameResolver, packageProto.typeTable, excludePrivateMembers) +
inlinePropertyAccessors(packageProto.propertyList, nameResolver, excludePrivateMembers)
}
else -> emptyList()
}
}
private fun inlineFunctions(
functions: List,
nameResolver: NameResolver,
protoTypeTable: ProtoBuf.TypeTable,
excludePrivateFunctions: Boolean = false
): List {
val typeTable = TypeTable(protoTypeTable)
return functions
.filter { Flags.IS_INLINE.get(it.flags) && (!excludePrivateFunctions || !isPrivate(it.flags)) }
.mapNotNull { inlineFunction ->
JvmProtoBufUtil.getJvmMethodSignature(inlineFunction, nameResolver, typeTable)?.let {
InlineFunction(jvmMethodSignature = it, kotlinFunctionName = nameResolver.getString(inlineFunction.name))
}
}
}
private fun inlinePropertyAccessors(
properties: List,
nameResolver: NameResolver,
excludePrivateAccessors: Boolean = false
): List {
val inlineAccessors = mutableListOf()
properties.forEach { property ->
val propertySignature = property.getExtensionOrNull(JvmProtoBuf.propertySignature) ?: return@forEach
if (property.hasGetterFlags() && Flags.IS_INLINE_ACCESSOR.get(property.getterFlags)
&& (!excludePrivateAccessors || !isPrivate(property.getterFlags))
) {
val getter = propertySignature.getter
inlineAccessors.add(
InlinePropertyAccessor(
JvmMemberSignature.Method(name = nameResolver.getString(getter.name), desc = nameResolver.getString(getter.desc)),
propertyName = nameResolver.getString(property.name)
)
)
}
if (property.hasSetterFlags() && Flags.IS_INLINE_ACCESSOR.get(property.setterFlags)
&& (!excludePrivateAccessors || !isPrivate(property.setterFlags))
) {
val setter = propertySignature.setter
inlineAccessors.add(
InlinePropertyAccessor(
JvmMemberSignature.Method(name = nameResolver.getString(setter.name), desc = nameResolver.getString(setter.desc)),
propertyName = nameResolver.getString(property.name)
)
)
}
}
return inlineAccessors
}
private fun isPrivate(flags: Int) = DescriptorVisibilities.isPrivate(ProtoEnumFlags.descriptorVisibility(Flags.VISIBILITY.get(flags)))
