Allow to provide parent Context for Driver.process

Author: DarkDimius

src/dotty/tools/dotc/Bench.scala

@@ -46,11 +46,11 @@ object Bench extends Driver {
     else (args(pos + 1).toInt, (args take pos) ++ (args drop (pos + 2)))
   }
 
-  override def process(args: Array[String]): Reporter = {
+  override def process(args: Array[String], rootCtx: Context): Reporter = {
     val (numCompilers, args1) = extractNumArg(args, "#compilers")
     val (numRuns, args2) = extractNumArg(args1, "#runs")
     this.numRuns = numRuns
-    ntimes(numCompilers)(super.process(args2))
+    ntimes(numCompilers)(super.process(args2, rootCtx))
   }
 }
 

src/dotty/tools/dotc/Driver.scala

@@ -22,8 +22,8 @@ abstract class Driver extends DotClass {
 
   protected def initCtx = (new ContextBase).initialCtx
 
-  def process(args: Array[String]): Reporter = {
-    val summary = CompilerCommand.distill(args)(initCtx)
+  def process(args: Array[String], rootCtx: Context): Reporter = {
+    val summary = CompilerCommand.distill(args)(rootCtx)
     implicit val ctx: Context = initCtx.fresh.setSettings(summary.sstate)
     val fileNames = CompilerCommand.checkUsage(summary)
     try {
@@ -41,7 +41,7 @@ abstract class Driver extends DotClass {
   }
 
   def main(args: Array[String]): Unit =
-    sys.exit(if (process(args).hasErrors) 1 else 0)
+    sys.exit(if (process(args, initCtx).hasErrors) 1 else 0)
 }
 
 class FatalError(msg: String) extends Exception

test/test/CompilerTest.scala

@@ -13,7 +13,7 @@ class CompilerTest extends DottyTest {
   def compileArgs(args: Array[String], xerrors: Int = 0): Unit = {
     val allArgs = args ++ defaultOptions
     val processor = if (allArgs.exists(_.startsWith("#"))) Bench else Main
-    val nerrors = processor.process(allArgs).count(Reporter.ERROR.level)
+    val nerrors = processor.process(allArgs, ctx).count(Reporter.ERROR.level)
     assert(nerrors == xerrors, s"Wrong # of errors. Expected: $xerrors, found: $nerrors")
   }