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/* __ *\
** ________ ___ / / ___ __ ____ Scala.js tools **
** / __/ __// _ | / / / _ | __ / // __/ (c) 2013-2014, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \ http://scala-js.org/ **
** /____/\___/_/ |_/____/_/ | |__/ /____/ **
** |/____/ **
\* */
package scala.scalajs.tools.classpath.builder
import scala.collection.mutable
import scala.scalajs.tools.io._
import scala.scalajs.tools.jsdep.JSDependencyManifest
import scala.scalajs.tools.classpath._
/** reads a ScalaJS library JAR into a CP
* - IR files go to scalaJSCode
* - JS files go to availableLibs
* - Reads a potential top-level JS_DEPENDENCIES file
*/
trait AbstractJarLibClasspathBuilder extends JarTraverser {
private val irFiles = mutable.ListBuffer.empty[VirtualScalaJSIRFile]
private val jsFiles = mutable.Map.empty[String, VirtualJSFile]
private var dependency: Option[JSDependencyManifest] = None
def build(jar: File): PartialClasspath = {
val v = traverseJar(jar)
new PartialClasspath(dependency.toList,
jsFiles.toMap, irFiles.toList, Some(v))
}
override protected def handleIR(relPath: String,
ir: => VirtualScalaJSIRFile): Unit = {
// We don't need to implement shadowing here: We have only a single JAR
irFiles += ir
}
override protected def handleJS(js: => VirtualJSFile): Unit = {
val file = js
if (!jsFiles.contains(file.name))
jsFiles += file.name -> file
}
override protected def handleDepManifest(m: => JSDependencyManifest): Unit = {
if (dependency.isDefined)
sys.error("A JAR cannot have multiple JS dependency manifests")
dependency = Some(m)
}
}
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