mirror of https://github.com/sbt/sbt.git
38 lines
1.9 KiB
Scala
38 lines
1.9 KiB
Scala
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package xsbt
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import java.io.File
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/** A basic interface to the compiler. It is called in the same virtual machine, but no dependency analysis is done. This
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* is used, for example, to compile the interface/plugin code.*/
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class RawCompiler(val scalaInstance: ScalaInstance, log: CompileLogger)
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{
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def apply(sources: Set[File], classpath: Set[File], outputDirectory: File, options: Seq[String]): Unit =
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apply(sources, classpath, outputDirectory, options, false)
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def apply(sources: Set[File], classpath: Set[File], outputDirectory: File, options: Seq[String], compilerOnClasspath: Boolean)
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{
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// reflection is required for binary compatibility
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// The following imports ensure there is a compile error if the identifiers change,
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// but should not be otherwise directly referenced
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import scala.tools.nsc.Main
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import scala.tools.nsc.Properties
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val arguments = (new CompilerArguments(scalaInstance))(sources, classpath, outputDirectory, options, compilerOnClasspath)
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log.debug("Vanilla interface to Scala compiler " + scalaInstance.actualVersion + " with arguments: " + arguments.mkString("\n\t", "\n\t", ""))
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val mainClass = Class.forName("scala.tools.nsc.Main", true, scalaInstance.loader)
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val process = mainClass.getMethod("process", classOf[Array[String]])
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process.invoke(null, toJavaArray(arguments))
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checkForFailure(mainClass, arguments.toArray)
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}
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protected def checkForFailure(mainClass: Class[_], args: Array[String])
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{
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val reporter = mainClass.getMethod("reporter").invoke(null)
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val failed = reporter.asInstanceOf[{ def hasErrors: Boolean }].hasErrors
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if(failed) throw new xsbti.CompileFailed { val arguments = args; override def toString = "Vanilla compile failed" }
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}
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protected def toJavaArray(arguments: Seq[String]): Array[String] =
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{
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val realArray: Array[String] = arguments.toArray
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assert(realArray.getClass eq classOf[Array[String]])
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realArray
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}
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}
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