[modules] Basic support of exports

src/debug/debug-scopes.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/debug/debug-scopes.h"
 
 #include <memory>
 
 #include "src/ast/scopes.h"
 #include "src/debug/debug.h"
@@ skipping 345 matching lines @@
       return SetCatchVariableValue(variable_name, new_value);
     case ScopeIterator::ScopeTypeClosure:
       return SetClosureVariableValue(variable_name, new_value);
     case ScopeIterator::ScopeTypeScript:
       return SetScriptVariableValue(variable_name, new_value);
     case ScopeIterator::ScopeTypeBlock:
     case ScopeIterator::ScopeTypeEval:
       return SetInnerScopeVariableValue(variable_name, new_value);
     case ScopeIterator::ScopeTypeModule:
       // TODO(2399): should we implement it?
+      // XXX
       break;
   }
   return false;
 }
 
 
 Handle<ScopeInfo> ScopeIterator::CurrentScopeInfo() {
   DCHECK(!failed_);
   if (!nested_scope_chain_.is_empty()) {
     return nested_scope_chain_.last().scope_info;
@@ skipping 234 matching lines @@
   Handle<ScopeInfo> scope_info(context->scope_info());
 
   // Allocate and initialize a JSObject with all the members of the debugged
   // module.
   Handle<JSObject> module_scope =
       isolate_->factory()->NewJSObjectWithNullProto();
 
   // Fill all context locals.
   CopyContextLocalsToScopeObject(scope_info, context, module_scope);
 
+  // XXX stack locals. maybe even imports/exports?
+
   return module_scope;
 }
 
 bool ScopeIterator::SetParameterValue(Handle<ScopeInfo> scope_info,
                                       JavaScriptFrame* frame,
                                       Handle<String> parameter_name,
                                       Handle<Object> new_value) {
   // Setting stack locals of optimized frames is not supported.
   if (frame->is_optimized()) return false;
   HandleScope scope(isolate_);
@@ skipping 199 matching lines @@
     DCHECK((beg_pos >= 0 && end_pos >= 0) || inner_scope->is_hidden());
     if (beg_pos <= position && position < end_pos) {
       GetNestedScopeChain(isolate, inner_scope, position);
       return;
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8