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package scala.tools.nsc
import scala.collection._
import scala.tools.nsc.reporters.{Reporter, ConsoleReporter}
import dependencies._
import util.FakePos
import nsc.io.AbstractFile
/** A simple build manager, using the default scalac dependency tracker.
* The transitive closure of all dependent files on a modified file
* is recompiled at once.
*
* It is equivalent to using a resident compiler mode with the
* '-make:transitive' option.
*/
class SimpleBuildManager(val settings: Settings) extends BuildManager {
val compiler: Global = new Global(settings)
/** Managed source files. */
private val sources: mutable.Set[AbstractFile] = new mutable.HashSet[AbstractFile]
/** Add the given source files to the managed build process. */
def addSourceFiles(files: Set[AbstractFile]) {
sources ++= files
update(files)
}
/** Remove the given files from the managed build process. */
def removeFiles(files: Set[AbstractFile]) {
sources --= files
}
/** The given files have been modified by the user. Recompile
* them and all files that depend on them. Only files that
* have been previously added as source files are recompiled.
*/
def update(files: Set[AbstractFile]) {
val deps = compiler.dependencyAnalysis.dependencies
val run = new compiler.Run()
compiler.inform("compiling " + files)
val toCompile =
(files ++ deps.dependentFiles(Int.MaxValue, files)) intersect sources
compiler.inform("Recompiling " +
(if(settings.debug.value) toCompile.mkString(", ")
else toCompile.size + " files"))
run.compileFiles(files.toList)
}
/** Load saved dependency information. */
def loadFrom(file: AbstractFile) {
compiler.dependencyAnalysis.loadFrom(file)
}
/** Save dependency information to `file'. */
def saveTo(file: AbstractFile) {
compiler.dependencyAnalysis.dependenciesFile = file
compiler.dependencyAnalysis.saveDependencies()
}
}
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