org.scalajs.linker.interface.unstable.IRFileImpl.scala Maven / Gradle / Ivy
/*
* Scala.js (https://www.scala-js.org/)
*
* Copyright EPFL.
*
* Licensed under Apache License 2.0
* (https://www.apache.org/licenses/LICENSE-2.0).
*
* See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*/
package org.scalajs.linker.interface.unstable
import scala.concurrent._
import java.io.IOException
import org.scalajs.ir
import org.scalajs.linker.interface.IRFile
/** A virtual Scala.js IR file.
* It contains the class info and the IR tree.
*/
abstract class IRFileImpl(
/** Abstract path of the file.
*
* The path of the file is used for lookup and caching (together with the
* version).
*/
val path: String,
/** An optional implementation-dependent "version" token.
*
* If non-empty, a different version must be returned when the content
* changes. It should be equal if the content has not changed, but it is
* not mandatory.
* Such a token can be used by caches: the file need not be read and
* processed again if its version has not changed.
*/
val version: Option[String]
) extends IRFile {
private[interface] final def impl: IRFileImpl = this
/** Entry points information for this file. */
def entryPointsInfo(implicit ec: ExecutionContext): Future[ir.EntryPointsInfo]
/** IR Tree of this file. */
def tree(implicit ec: ExecutionContext): Future[ir.Trees.ClassDef]
}
object IRFileImpl {
def fromIRFile(irFile: IRFile): IRFileImpl = irFile.impl
def withPathExceptionContext[A](path: String, future: Future[A])(
implicit ec: ExecutionContext): Future[A] = {
future.recover {
case e: ir.IRVersionNotSupportedException =>
throw new ir.IRVersionNotSupportedException(e.version, e.supported,
s"Failed to deserialize a file compiled with Scala.js ${e.version}" +
s" (supported up to: ${e.supported}): $path", e)
case e: Exception =>
throw new IOException(s"Failed to deserialize $path", e)
}
}
}