1 files changed, 72 insertions, 0 deletions
diff --git a/src/scaladoc/scala/tools/nsc/ScalaDoc.scala b/src/scaladoc/scala/tools/nsc/ScalaDoc.scala
new file mode 100644
index 0000000000..52a0c20a11
--- /dev/null
+++ b/src/scaladoc/scala/tools/nsc/ScalaDoc.scala
@@ -0,0 +1,72 @@
+/* scaladoc, a documentation generator for Scala
+ * Copyright 2005-2013 LAMP/EPFL
+ * @author  Martin Odersky
+ * @author  Geoffrey Washburn
+ */
+
+package scala.tools.nsc
+
+import java.io.File.pathSeparator
+import scala.tools.nsc.doc.DocFactory
+import scala.tools.nsc.reporters.ConsoleReporter
+import scala.reflect.internal.util.FakePos
+
+/** The main class for scaladoc, a front-end for the Scala compiler
+ *  that generates documentation from source files.
+ */
+class ScalaDoc {
+  val versionMsg = "Scaladoc %s -- %s".format(Properties.versionString, Properties.copyrightString)
+
+  def process(args: Array[String]): Boolean = {
+    var reporter: ConsoleReporter = null
+    val docSettings = new doc.Settings(msg => reporter.error(FakePos("scaladoc"), msg + "\n  scaladoc -help  gives more information"),
+                                       msg => reporter.printMessage(msg))
+    reporter = new ConsoleReporter(docSettings) {
+      // need to do this so that the Global instance doesn't trash all the
+      // symbols just because there was an error
+      override def hasErrors = false
+    }
+    val command = new ScalaDoc.Command(args.toList, docSettings)
+    def hasFiles = command.files.nonEmpty || docSettings.uncompilableFiles.nonEmpty
+
+    if (docSettings.version.value)
+      reporter.echo(versionMsg)
+    else if (docSettings.Xhelp.value)
+      reporter.echo(command.xusageMsg)
+    else if (docSettings.Yhelp.value)
+      reporter.echo(command.yusageMsg)
+    else if (docSettings.showPlugins.value)
+      reporter.warning(null, "Plugins are not available when using Scaladoc")
+    else if (docSettings.showPhases.value)
+      reporter.warning(null, "Phases are restricted when using Scaladoc")
+    else if (docSettings.help.value || !hasFiles)
+      reporter.echo(command.usageMsg)
+    else
+      try { new DocFactory(reporter, docSettings) document command.files }
+    catch {
+      case ex @ FatalError(msg) =>
+        if (docSettings.debug.value) ex.printStackTrace()
+        reporter.error(null, "fatal error: " + msg)
+    }
+    finally reporter.printSummary()
+
+    // not much point in returning !reporter.hasErrors when it has
+    // been overridden with constant false.
+    true
+  }
+}
+
+object ScalaDoc extends ScalaDoc {
+  class Command(arguments: List[String], settings: doc.Settings) extends CompilerCommand(arguments, settings) {
+    override def cmdName = "scaladoc"
+    override def usageMsg = (
+      createUsageMsg("where possible scaladoc", shouldExplain = false, x => x.isStandard && settings.isScaladocSpecific(x.name)) +
+      "\n\nStandard scalac options also available:" +
+      createUsageMsg(x => x.isStandard && !settings.isScaladocSpecific(x.name))
+    )
+  }
+
+  def main(args: Array[String]): Unit = sys exit {
+    if (process(args)) 0 else 1
+  }
+}