Files
revanced-patcher/src/main/kotlin/app/revanced/patcher/extensions/Extensions.kt
2022-04-27 03:13:45 +02:00

81 lines
2.6 KiB
Kotlin

package app.revanced.patcher.extensions
import app.revanced.patcher.proxy.mutableTypes.MutableMethod.Companion.toMutable
import org.jf.dexlib2.AccessFlags
import org.jf.dexlib2.builder.BuilderInstruction
import org.jf.dexlib2.builder.MutableMethodImplementation
import org.jf.dexlib2.iface.Method
import org.jf.dexlib2.iface.reference.MethodReference
import org.jf.dexlib2.immutable.ImmutableMethod
import org.jf.dexlib2.immutable.ImmutableMethodImplementation
import org.jf.dexlib2.util.MethodUtil
infix fun AccessFlags.or(other: AccessFlags) = this.value or other.value
infix fun Int.or(other: AccessFlags) = this or other.value
fun MutableMethodImplementation.addInstructions(index: Int, instructions: List<BuilderInstruction>) {
for (i in instructions.lastIndex downTo 0) {
this.addInstruction(index, instructions[i])
}
}
/**
* Clones the method.
* @param registerCount This parameter allows you to change the register count of the method.
* This may be a positive or negative number.
* @return The **immutable** cloned method. Call [toMutable] or [cloneMutable] to get a **mutable** copy.
*/
internal fun Method.clone(
registerCount: Int = 0,
): ImmutableMethod {
val clonedImplementation = implementation?.let {
ImmutableMethodImplementation(
it.registerCount + registerCount,
it.instructions,
it.tryBlocks,
it.debugItems,
)
}
return ImmutableMethod(
returnType,
name,
parameters,
returnType,
accessFlags,
annotations,
hiddenApiRestrictions,
clonedImplementation
)
}
/**
* Clones the method.
* @param registerCount This parameter allows you to change the register count of the method.
* This may be a positive or negative number.
* @return The **mutable** cloned method. Call [clone] to get an **immutable** copy.
*/
internal fun Method.cloneMutable(
registerCount: Int = 0,
) = clone(registerCount).toMutable()
internal fun Method.softCompareTo(
otherMethod: MethodReference
): Boolean {
if (MethodUtil.isConstructor(this) && !parametersEqual(this.parameterTypes, otherMethod.parameterTypes))
return false
return this.name == otherMethod.name
}
// FIXME: also check the order of parameters as different order equals different method overload
internal fun parametersEqual(
parameters1: Iterable<CharSequence>,
parameters2: Iterable<CharSequence>
): Boolean {
return parameters1.count() == parameters2.count() && parameters1.all { parameter ->
parameters2.any {
it.startsWith(
parameter
)
}
}
}