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perf: optimize indexOf call away

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Lucaskyy 2022-03-31 22:45:22 +02:00 committed by oSumAtrIX
parent 650bf71124
commit 9991f39c9a
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1 changed files with 22 additions and 5 deletions
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27
src/main/kotlin/app/revanced/patcher/cache/Cache.kt vendored
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@ -19,14 +19,13 @@ class Cache(
*/ */
fun findClass(predicate: (ClassDef) -> Boolean): ClassProxy? { fun findClass(predicate: (ClassDef) -> Boolean): ClassProxy? {
// if we already proxied the class matching the predicate, // if we already proxied the class matching the predicate,
val proxiedClass = classProxy.singleOrNull { classProxy -> predicate(classProxy.immutableClass) } val proxiedClass = classProxy.find { predicate(it.immutableClass) }
// return that proxy // return that proxy
if (proxiedClass != null) return proxiedClass if (proxiedClass != null) return proxiedClass
// else search the original class list // else search the original class list
val foundClass = classes.singleOrNull(predicate) ?: return null val (foundClass, index) = classes.findIndexed(predicate) ?: return null
// create a class proxy with the index of the class in the classes list // create a class proxy with the index of the class in the classes list
// TODO: There might be a more elegant way to the comment above val classProxy = ClassProxy(foundClass, index)
val classProxy = ClassProxy(foundClass, classes.indexOf(foundClass))
// add it to the cache and // add it to the cache and
this.classProxy.add(classProxy) this.classProxy.add(classProxy)
// return the proxy class // return the proxy class
@ -40,4 +39,22 @@ class MethodMap : LinkedHashMap<String, SignatureResolverResult>() {
} }
} }
class MethodNotFoundException(s: String) : Exception(s) internal class MethodNotFoundException(s: String) : Exception(s)
internal inline fun <T> Iterable<T>.find(predicate: (T) -> Boolean): T? {
for (element in this) {
if (predicate(element)) {
return element
}
}
return null
}
internal inline fun <T> Iterable<T>.findIndexed(predicate: (T) -> Boolean): Pair<T, Int>? {
for ((index, element) in this.withIndex()) {
if (predicate(element)) {
return element to index
}
}
return null
}