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Added debug output to vTable builder

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This commit is contained in:
Igor Chevdar
2018-04-18 18:15:55 +03:00
parent 211d219b04
commit 388ee82e9d
1 changed files with 40 additions and 0 deletions
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backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/descriptors/ClassVtablesBuilder.kt
+40
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@@ -87,10 +87,21 @@ internal class OverriddenFunctionDescriptor(
}
internal class ClassVtablesBuilder(val classDescriptor: ClassDescriptor, val context: Context) {
private val DEBUG = 0
private inline fun DEBUG_OUTPUT(severity: Int, block: () -> Unit) {
if (DEBUG > severity) block()
}
val vtableEntries: List<OverriddenFunctionDescriptor> by lazy {
assert(!classDescriptor.isInterface)
DEBUG_OUTPUT(0) {
println()
println("BUILDING vTable for ${classDescriptor.descriptor}")
}
val superVtableEntries = if (classDescriptor.isSpecialClassWithNoSupertypes()) {
emptyList()
} else {
@@ -101,12 +112,31 @@ internal class ClassVtablesBuilder(val classDescriptor: ClassDescriptor, val con
val methods = classDescriptor.sortedOverridableOrOverridingMethods
val newVtableSlots = mutableListOf<OverriddenFunctionDescriptor>()
DEBUG_OUTPUT(0) {
println()
println("SUPER vTable:")
superVtableEntries.forEach { println(" ${it.overriddenDescriptor.descriptor} -> ${it.descriptor.descriptor}") }
println()
println("METHODS:")
methods.forEach { println(" ${it.descriptor}") }
println()
println("BUILDING INHERITED vTable")
}
val inheritedVtableSlots = superVtableEntries.map { superMethod ->
val overridingMethod = methods.singleOrNull { it.overrides(superMethod.descriptor) }
if (overridingMethod == null) {
DEBUG_OUTPUT(0) { println("Taking super ${superMethod.overriddenDescriptor.descriptor} -> ${superMethod.descriptor.descriptor}") }
superMethod
} else {
newVtableSlots.add(OverriddenFunctionDescriptor(overridingMethod, superMethod.descriptor))
DEBUG_OUTPUT(0) { println("Taking overridden ${superMethod.overriddenDescriptor.descriptor} -> ${overridingMethod.descriptor}") }
OverriddenFunctionDescriptor(overridingMethod, superMethod.overriddenDescriptor)
}
}
@@ -121,6 +151,16 @@ internal class ClassVtablesBuilder(val classDescriptor: ClassDescriptor, val con
.distinctBy { it.descriptor to it.bridgeDirections }
.filter { it.descriptor.isOverridable }
DEBUG_OUTPUT(0) {
println()
println("INHERITED vTable slots:")
inheritedVtableSlots.forEach { println(" ${it.overriddenDescriptor.descriptor} -> ${it.descriptor.descriptor}") }
println()
println("MY OWN vTable slots:")
filteredNewVtableSlots.forEach { println(" ${it.overriddenDescriptor.descriptor} -> ${it.descriptor.descriptor}") }
}
inheritedVtableSlots + filteredNewVtableSlots.sortedBy { it.overriddenDescriptor.functionName.localHash.value }
}