//设置package包名称以及导入依赖的类
package com.kakao.cuesheet.deps

import java.net.{URL, URLClassLoader}

import com.kakao.mango.concurrent.KeyedSingletons
import com.kakao.mango.logging.Logging
import com.kakao.mango.reflect.Accessible

import scala.reflect.io.AbstractFile

class DependencyAnalyzer(loader: ClassLoader = getClass.getClassLoader) extends Logging {
  val chain: List[ClassLoader] = DependencyAnalyzer.classLoaderChain(loader)

  lazy val graph = {
    // collect all nodes
    val nodes = for (
      loader <- chain;
      url <- DependencyAnalyzer.components(loader)
    ) yield {
      DependencyNode.resolve(url)
    }
    new DependencyGraph(nodes)
  }
}

object DependencyAnalyzer extends KeyedSingletons[ClassLoader, DependencyAnalyzer] with Logging {

  
  def components(loader: ClassLoader): Seq[URL] = {
    loader match {
      case _ if loader.getClass.getName.startsWith("sun.misc.Launcher$ExtClassLoader") =>
        Nil // ignore extension class loader
      case loader: URLClassLoader =>
        loader.getURLs
      case _ if loader.getClass.getName == "scala.tools.nsc.interpreter.AbstractFileClassLoader" =>
        val root = Accessible.field(loader.getClass, "root")
        Seq(root.get(loader).asInstanceOf[AbstractFile].toURL)
      case _ if loader.getClass.getName == "scala.reflect.internal.util.AbstractFileClassLoader" =>
        val root = Accessible.field(loader.getClass, "root")
        Seq(root.get(loader).asInstanceOf[AbstractFile].toURL)
      case _ if Seq(loader.getClass.getName).exists(c => c.startsWith("xsbt.") || c.startsWith("sbt.")) =>
        Nil // ignore SBT's internal loader
      case _ =>
        throw new RuntimeException("Unknown ClassLoader Type: " + loader.getClass.getName)
    }
  }

  override def newInstance(loader: ClassLoader): DependencyAnalyzer = {
    new DependencyAnalyzer(loader)
  }

  def apply(): DependencyAnalyzer = apply(getClass.getClassLoader)

} 

//设置package包名称以及导入依赖的类
package com.avsystem.scex
package compiler

import com.avsystem.scex.util.MacroUtils

import scala.collection.mutable
import scala.reflect.internal.util._
import scala.reflect.io.AbstractFile
import scala.tools.nsc.Global
import scala.tools.nsc.plugins.Plugin


  class Locator(pos: Position) extends Traverser {
    var last: Tree = _

    def locateIn(root: Tree): Tree = {
      this.last = EmptyTree
      traverse(root)
      this.last
    }

    override def traverse(t: Tree): Unit = {
      t match {
        case tt: TypeTree if tt.original != null && includes(tt.pos, tt.original.pos) =>
          traverse(tt.original)
        case _ =>
          if (includes(t.pos, pos)) {
            if (!t.pos.isTransparent) last = t
            super.traverse(t)
          } else t match {
            case mdef: MemberDef =>
              traverseTrees(mdef.mods.annotations)
            case _ =>
          }
      }
    }

    private def includes(pos1: Position, pos2: Position) =
      (pos1 includes pos2) && pos1.end > pos2.start
  }

  override protected def loadRoughPluginsList() =
    loadAdditionalPlugins() ::: super.loadRoughPluginsList()

  // toplevel symbol dropping is implemented based on how it's done in the Scala Presentation Compiler
  // (which happens e.g. when a source file is deleted)
  private val toplevelSymbolsMap = new mutable.WeakHashMap[AbstractFile, mutable.Set[Symbol]]

  override def registerTopLevelSym(sym: Symbol): Unit = {
    toplevelSymbolsMap.getOrElseUpdate(sym.sourceFile, new mutable.HashSet) += sym
  }

  def forgetSymbolsFromSource(file: AbstractFile) = {
    val symbols = toplevelSymbolsMap.get(file).map(_.toSet).getOrElse(Set.empty)
    symbols.foreach { s =>
      //like in: scala.tools.nsc.interactive.Global.filesDeleted
      s.owner.info.decls unlink s
    }
    toplevelSymbolsMap.remove(file)
  }
}