# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@oracle.com>
# Date 1437492848 -7200
# Node ID 547edc5af3fcc7eef35f35959d40f776153ae065
# Parent  1c38917c00b2bb7b1801e4b112c2faa379eded4c
Some language REPLs need access to the current stack. Make the method public.

diff -r 1c38917c00b2 -r 547edc5af3fc truffle/com.oracle.truffle.tools.debug.shell/src/com/oracle/truffle/tools/debug/shell/server/REPLServerContext.java
--- a/truffle/com.oracle.truffle.tools.debug.shell/src/com/oracle/truffle/tools/debug/shell/server/REPLServerContext.java	Tue Jul 21 13:07:58 2015 +0200
+++ b/truffle/com.oracle.truffle.tools.debug.shell/src/com/oracle/truffle/tools/debug/shell/server/REPLServerContext.java	Tue Jul 21 17:34:08 2015 +0200
@@ -35,6 +35,7 @@
 import com.oracle.truffle.api.vm.TruffleVM.Language;
 import com.oracle.truffle.tools.debug.shell.*;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 public abstract class REPLServerContext {
@@ -89,7 +90,12 @@
 
     public abstract int getBreakpointID(Breakpoint breakpoint);
 
-    List<FrameDebugDescription> getStack() {
+    /**
+     * Provides access to the execution stack.
+     * 
+     * @return immutable list of stack elements
+     */
+    public List<FrameDebugDescription> getStack() {
         List<FrameDebugDescription> frames = new ArrayList<>();
         int frameCount = 1;
         for (FrameInstance frameInstance : event.getStack()) {
@@ -100,7 +106,7 @@
             }
             frameCount++;
         }
-        return frames;
+        return Collections.unmodifiableList(frames);
     }
 
     void prepareStepOut() {