sbt.compiler.RawCompiler.scala Maven / Gradle / Ivy
/* sbt -- Simple Build Tool
* Copyright 2009, 2010 Mark Harrah
*/
package sbt
package compiler
import java.io.File
/** A basic interface to the compiler. It is called in the same virtual machine, but no dependency analysis is done. This
* is used, for example, to compile the interface/plugin code.
* If `explicitClasspath` is true, the bootclasspath and classpath are not augmented. If it is false,
* the scala-library.jar from `scalaInstance` is put on bootclasspath and the scala-compiler jar goes on the classpath.*/
class RawCompiler(val scalaInstance: xsbti.compile.ScalaInstance, cp: ClasspathOptions, log: Logger)
{
def apply(sources: Seq[File], classpath: Seq[File], outputDirectory: File, options: Seq[String])
{
// reflection is required for binary compatibility
// The following import ensures there is a compile error if the identifiers change,
// but should not be otherwise directly referenced
import scala.tools.nsc.Main.{process => _}
val arguments = compilerArguments(sources, classpath, Some(outputDirectory), options)
log.debug("Plain interface to Scala compiler " + scalaInstance.actualVersion + " with arguments: " + arguments.mkString("\n\t", "\n\t", ""))
val mainClass = Class.forName("scala.tools.nsc.Main", true, scalaInstance.loader)
val process = mainClass.getMethod("process", classOf[Array[String]])
process.invoke(null, arguments.toArray)
checkForFailure(mainClass, arguments.toArray)
}
def compilerArguments = new CompilerArguments(scalaInstance, cp)
protected def checkForFailure(mainClass: Class[_], args: Array[String])
{
val reporter = mainClass.getMethod("reporter").invoke(null)
val failed = reporter.getClass.getMethod("hasErrors").invoke(reporter).asInstanceOf[Boolean]
if(failed) throw new CompileFailed(args, "Plain compile failed", Array())
}
}
class CompileFailed(val arguments: Array[String], override val toString: String, val problems: Array[xsbti.Problem]) extends xsbti.CompileFailed with FeedbackProvidedException
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