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fix(YouTube): Improve litho filtering performance (#4904)

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This commit is contained in:
LisoUseInAIKyrios 2025-05-04 13:55:12 +04:00 • committed by GitHub
parent 63f3342815
commit 60fdf4c44c
4 changed files with 150 additions and 77 deletions
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24
patches/src/main/kotlin/app/revanced/util/BytecodeUtils.kt
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@ -11,6 +11,7 @@ import app.revanced.patcher.patch.BytecodePatchContext
import app.revanced.patcher.patch.PatchException
import app.revanced.patcher.util.proxy.mutableTypes.MutableClass
import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
import app.revanced.patcher.util.smali.ExternalLabel
import app.revanced.patches.shared.misc.mapping.get
import app.revanced.patches.shared.misc.mapping.resourceMappingPatch
import app.revanced.patches.shared.misc.mapping.resourceMappings
@ -207,6 +208,26 @@ fun MutableMethod.injectHideViewCall(
"invoke-static { v$viewRegister }, $classDescriptor->$targetMethod(Landroid/view/View;)V",
)
/**
* Inserts instructions at a given index, using the existing control flow label at that index.
* Inserted instructions can have it's own control flow labels as well.
*
* Effectively this changes the code from:
* :label
* (original code)
*
* Into:
* :label
* (patch code)
* (original code)
*/
// TODO: delete this on next major version bump.
fun MutableMethod.addInstructionsAtControlFlowLabel(
insertIndex: Int,
instructions: String
) = addInstructionsAtControlFlowLabel(insertIndex, instructions, *arrayOf<ExternalLabel>())
/**
* Inserts instructions at a given index, using the existing control flow label at that index.
* Inserted instructions can have it's own control flow labels as well.
@ -223,13 +244,14 @@ fun MutableMethod.injectHideViewCall(
fun MutableMethod.addInstructionsAtControlFlowLabel(
insertIndex: Int,
instructions: String,
vararg externalLabels: ExternalLabel
) {
// Duplicate original instruction and add to +1 index.
addInstruction(insertIndex + 1, getInstruction(insertIndex))
// Add patch code at same index as duplicated instruction,
// so it uses the original instruction control flow label.
addInstructionsWithLabels(insertIndex + 1, instructions)
addInstructionsWithLabels(insertIndex + 1, instructions, *externalLabels)
// Remove original non duplicated instruction.
removeInstruction(insertIndex)