- added option -Xrtt to enable support for run-...

- added option -Xrtt to enable support for run-time types

2 files changed, 8 insertions, 0 deletions

diff --git a/sources/scalac/CompilerCommand.java b/sources/scalac/CompilerCommand.java
index 1e014ee452..d2e244b271 100644
--- a/sources/scalac/CompilerCommand.java
+++ b/sources/scalac/CompilerCommand.java
@@ -85,6 +85,7 @@ public class CompilerCommand extends CommandParser {
     public final BooleanOptionParser Xmarkup;
     public final BooleanOptionParser Xnewmatch;
     public final BooleanOptionParser XpreserveWS;
+    public final BooleanOptionParser XrunTimeTypes;
 
     /*
      * Whole-program optimization options
@@ -279,6 +280,10 @@ public class CompilerCommand extends CommandParser {
             "Xinline", "Inline method calls that can be resolved statically",
 	     false),
 
+        this.XrunTimeTypes = new BooleanOptionParser(this,
+            "Xrtt", "Enable run-time types",
+            false),
+
         this.unknown_options = new UnknownOptionParser(this),
 
         this.files = new ScalaFileArgumentParser(this),
diff --git a/sources/scalac/Global.java b/sources/scalac/Global.java
index 469aa9ef89..93a19ff47e 100644
--- a/sources/scalac/Global.java
+++ b/sources/scalac/Global.java
@@ -64,6 +64,7 @@ public abstract class Global {
     public final boolean uniqid;
     public final boolean newMatch;
     public final boolean xmlPreserveWS;
+    public final boolean runTimeTypes;
 
     public final boolean printtypes;
     public final boolean printtokens;
@@ -222,6 +223,7 @@ public abstract class Global {
         this.uniqid = args.uniqid.value;
         this.newMatch = args.Xnewmatch.value;
         this.xmlPreserveWS = args.XpreserveWS.value;
+        this.runTimeTypes = args.XrunTimeTypes.value;
         this.explaintypes = args.explaintypes.value;
         this.printtypes = args.types.value;
         this.printtokens = args.print.tokens;
@@ -271,6 +273,7 @@ public abstract class Global {
         this.PHASE = args.phases;
         // if (!optimize) PHASE.remove(args.phases.OPTIMIZE);
         // TODO: Enable TailCall for other backends when they handle LabelDefs
+        if (!runTimeTypes) args.phases.TYPESASVALUES.addSkipFlag();
         if (target != TARGET_MSIL) args.phases.GENMSIL.addSkipFlag();
         if (target != TARGET_JVM) args.phases.GENJVM.addSkipFlag();
 	if (target != TARGET_JVMFROMICODE) {