org.jetbrains.kotlin.backend.common.serialization.encodings.BinaryCoordinates.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.backend.common.serialization.encodings
inline class BinaryCoordinates(private val decoded: BinaryLattice) {
private fun diff(): Int = decoded.second
val startOffset: Int get() = decoded.first
val endOffset: Int get() = startOffset + diff()
companion object {
fun encode(startOffset: Int, endOffset: Int): Long {
assert(startOffset <= endOffset)
return BinaryLattice.encode(startOffset, endOffset - startOffset)
}
fun decode(code: Long) = BinaryCoordinates(BinaryLattice.decode(code)).also { assert(it.startOffset <= it.endOffset) }
}
}