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Minor, add comment to synthetic accessor generation for super calls

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Also fix "useless elvis" warning in SyntheticAccessorLowering.
This commit is contained in:
Alexander Udalov
2019-12-30 17:02:48 +01:00
parent b48d7f4ba7
commit c948459ed5
2 changed files with 11 additions and 12 deletions
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compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/SyntheticAccessorLowering.kt
+4 -10
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@@ -16,6 +16,7 @@ import org.jetbrains.kotlin.backend.jvm.ir.IrInlineReferenceLocator
import org.jetbrains.kotlin.backend.jvm.ir.hasJvmDefault
import org.jetbrains.kotlin.backend.jvm.ir.isLambda
import org.jetbrains.kotlin.backend.jvm.lower.inlineclasses.hasMangledParameters
import org.jetbrains.kotlin.codegen.syntheticAccessorToSuperSuffix
import org.jetbrains.kotlin.descriptors.Modality
import org.jetbrains.kotlin.descriptors.Visibilities
import org.jetbrains.kotlin.descriptors.Visibility
@@ -467,11 +468,11 @@ internal class SyntheticAccessorLowering(val context: JvmBackendContext) : IrEle
parentAsClass.isJvmInterface -> if (!Visibilities.isPrivate(visibility) && hasJvmDefault()) "\$jd" else ""
// Accessor for _s_uper-qualified call
superQualifier != null -> "\$s" + superQualifier.descriptor.name.asString().hashCode()
superQualifier != null -> "\$s" + superQualifier.descriptor.syntheticAccessorToSuperSuffix()
// Access to static members that need an accessor must be because they are inherited,
// hence accessed on a _s_upertype.
isStatic -> "\$s" + hashForAccessorDisambiguation()
isStatic -> "\$s" + parentAsClass.descriptor.syntheticAccessorToSuperSuffix()
else -> ""
}
@@ -496,17 +497,10 @@ internal class SyntheticAccessorLowering(val context: JvmBackendContext) : IrEle
// Static accesses that need an accessor must be due to being inherited, hence accessed on a
// _s_upertype
val staticSuffix = if (isStatic) "\$s"+ hashForAccessorDisambiguation() else ""
val staticSuffix = if (isStatic) "\$s" + parentAsClass.descriptor.syntheticAccessorToSuperSuffix() else ""
return companionSuffix + staticSuffix
}
private fun IrDeclaration.hashForAccessorDisambiguation() =
if (parentAsClass.name.isSpecial) {
context.getLocalClassType(parentAsClass)?.className.hashCode() ?: parentAsClass.name.hashCode()
} else {
parentAsClass.name.identifier.hashCode()
}
private val Visibility.isPrivate
get() = Visibilities.isPrivate(this)