working on REPL: implemented previous lines importing

compiler/frontend/src/org/jetbrains/jet/lang/resolve/BindingContext.java

@@ -91,6 +91,8 @@ public interface BindingContext {
     WritableSlice<JetTypeReference, JetScope> TYPE_RESOLUTION_SCOPE = Slices.createSimpleSlice();
     WritableSlice<JetExpression, JetScope> RESOLUTION_SCOPE = Slices.createSimpleSlice();
 
+    WritableSlice<ScriptDescriptor, JetScope> SCRIPT_SCOPE = Slices.createSimpleSlice();
+
     /** Collected during analyze, used in IDE in auto-cast completion */
     WritableSlice<JetExpression, DataFlowInfo> NON_DEFAULT_EXPRESSION_DATA_FLOW = Slices.createSimpleSlice();
 

compiler/frontend/src/org/jetbrains/jet/lang/resolve/scopes/receivers/ScriptReceiver.java

@@ -37,7 +37,7 @@ public class ScriptReceiver implements ThisReceiverDescriptor {
 
     @NotNull
     @Override
-    public DeclarationDescriptor getDeclarationDescriptor() {
+    public ScriptDescriptor getDeclarationDescriptor() {
         return scriptDescriptor;
     }
 

compiler/frontend/src/org/jetbrains/jet/lang/types/expressions/ExpressionTypingServices.java

@@ -194,6 +194,11 @@ public class ExpressionTypingServices {
         scope.changeLockLevel(WritableScope.LockLevel.BOTH);
         JetType r = getBlockReturnedTypeWithWritableScope(scope, block, coercionStrategyForLastExpression, context, trace);
         scope.changeLockLevel(WritableScope.LockLevel.READING);
+
+        if (containingDescriptor instanceof ScriptDescriptor) {
+            trace.record(BindingContext.SCRIPT_SCOPE, (ScriptDescriptor) containingDescriptor, scope);
+        }
+
         return r;
     }