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[IrActualizer] Update doc on how the actualization process works.

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This commit is contained in:
Pavel Kunyavskiy
2023-12-15 15:03:26 +01:00
committed by Space Team
parent 7813bb35cf
commit f50fab65cc
2 changed files with 92 additions and 43 deletions
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compiler/ir/ir.actualization/src/main/kotlin/org/jetbrains/kotlin/backend/common/actualizer/IrActualizer.kt
+5 -5
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@@ -78,11 +78,11 @@ class IrActualizer(
val expectActualMap = collector.collect(classActualizationInfo)
if (!useIrFakeOverrideBuilder) {
// 3. Actualize expect fake overrides in non-expect classes inside common or multi-platform module.
// 2. Actualize expect fake overrides in non-expect classes inside common or multi-platform module.
// It's probably important to run FakeOverridesActualizer before ActualFakeOverridesAdder
FakeOverridesActualizer(expectActualMap).apply { dependentFragments.forEach { visitModuleFragment(it) } }
// 4. Add fake overrides to non-expect classes inside common or multi-platform module,
// 3. Add fake overrides to non-expect classes inside common or multi-platform module,
// taken from these non-expect classes actualized super classes.
ActualFakeOverridesAdder(
expectActualMap,
@@ -91,16 +91,16 @@ class IrActualizer(
).apply { dependentFragments.forEach { visitModuleFragment(it) } }
}
// 5. Copy and actualize function parameter default values from expect functions
// 4. Copy and actualize function parameter default values from expect functions
val symbolRemapper = ActualizerSymbolRemapper(expectActualMap)
val typeRemapper = DeepCopyTypeRemapper(symbolRemapper)
FunctionDefaultParametersActualizer(symbolRemapper, typeRemapper, expectActualMap).actualize()
// 6. Actualize expect calls in dependent fragments using info obtained in the previous steps
// 5. Actualize expect calls in dependent fragments using info obtained in the previous steps
val actualizerVisitor = ActualizerVisitor(symbolRemapper, typeRemapper)
dependentFragments.forEach { it.transform(actualizerVisitor, null) }
// 8. Move all declarations to mainFragment
// 6. Move all declarations to mainFragment
mergeIrFragments(mainFragment, dependentFragments)
return expectActualMap
}