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/* sbt -- Simple Build Tool
* Copyright 2008, 2009 Mark Harrah
*/
package xsbt
import xsbti.{ AnalysisCallback, Logger, Problem, Reporter, Severity, DependencyContext }
import xsbti.api.SourceAPI
import xsbti.compile._
import Log.debug
import java.io.File
import dotty.tools.dotc.core.Contexts.ContextBase
import dotty.tools.dotc.{ Main => DottyMain }
import dotty.tools.dotc.interfaces._
import java.net.URLClassLoader
final class CompilerInterface {
def newCompiler(options: Array[String], output: Output, initialLog: Logger,
initialDelegate: Reporter, resident: Boolean): CachedCompiler = {
// The classloader that sbt uses to load the compiler bridge is broken
// (see CompilerClassLoader#fixBridgeLoader for details). To workaround
// this we construct our own ClassLoader and then run the following code
// with it:
// new CachedCompilerImpl(options, output, resident)
val bridgeLoader = getClass.getClassLoader
val fixedLoader = CompilerClassLoader.fixBridgeLoader(bridgeLoader)
val cciClass = fixedLoader.loadClass("xsbt.CachedCompilerImpl")
cciClass.getConstructors.head
.newInstance(options, output, resident: java.lang.Boolean)
.asInstanceOf[CachedCompiler]
}
def run(sources: Array[File], changes: DependencyChanges, callback: AnalysisCallback, log: Logger,
delegate: Reporter, progress: CompileProgress, cached: CachedCompiler): Unit =
cached.run(sources, changes, callback, log, delegate, progress)
}
class CachedCompilerImpl(args: Array[String], output: Output, resident: Boolean) extends CachedCompiler {
val outputArgs =
output match {
case multi: MultipleOutput =>
???
case single: SingleOutput =>
List("-d", single.outputDirectory.getAbsolutePath.toString)
}
def commandArguments(sources: Array[File]): Array[String] =
(outputArgs ++ args.toList ++ sources.map(_.getAbsolutePath).sortWith(_ < _)).toArray[String]
def run(sources: Array[File], changes: DependencyChanges, callback: AnalysisCallback, log: Logger, delegate: Reporter, progress: CompileProgress): Unit = synchronized {
run(sources.toList, changes, callback, log, delegate, progress)
}
private[this] def run(sources: List[File], changes: DependencyChanges, callback: AnalysisCallback, log: Logger, delegate: Reporter, compileProgress: CompileProgress): Unit = {
debug(log, args.mkString("Calling Dotty compiler with arguments (CompilerInterface):\n\t", "\n\t", ""))
val ctx = (new ContextBase).initialCtx.fresh
.setSbtCallback(callback)
.setReporter(new DelegatingReporter(delegate))
val cl = getClass.getClassLoader.asInstanceOf[URLClassLoader]
val reporter = DottyMain.process(commandArguments(sources.toArray), ctx)
if (reporter.hasErrors) {
throw new InterfaceCompileFailed(args, Array())
}
}
}
class InterfaceCompileFailed(override val arguments: Array[String], override val problems: Array[Problem]) extends xsbti.CompileFailed {
override val toString = "Compilation failed"
}
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