Version 1.1.0-dev.5.2

dart/runtime/vm/flow_graph_builder.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/flow_graph_builder.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/ast_printer.h"
 #include "vm/bit_vector.h"
 #include "vm/class_finalizer.h"
@@ skipping 946 matching lines @@
     InlineBailout("EffectGraphVisitor::VisitReturnNode (exception)");
     EffectGraphVisitor for_effect(owner());
     node->InlinedFinallyNodeAt(i)->Visit(&for_effect);
     Append(for_effect);
     if (!is_open()) {
       owner()->DeallocateTemps(owner()->temp_count());
       return;
     }
   }
 
+  // Call to stub that checks whether the debugger is in single
+  // step mode. This call must happen before the contexts are
+  // unchained so that captured variables can be inspected.
+  AddInstruction(new DebugStepCheckInstr(node->token_pos()));
+
   Value* return_value = for_value.value();
   if (FLAG_enable_type_checks) {
     const Function& function = owner()->parsed_function()->function();
     const bool is_implicit_dynamic_getter =
         (!function.is_static() &&
         ((function.kind() == RawFunction::kImplicitGetter) ||
          (function.kind() == RawFunction::kImplicitStaticFinalGetter)));
     // Implicit getters do not need a type check at return, unless they compute
     // the initial value of a static field.
     // The body of a constructor cannot modify the type of the
@@ skipping 3058 matching lines @@
                                   LanguageError::kError,
                                   Heap::kNew,
                                   "FlowGraphBuilder Bailout: %s %s",
                                   String::Handle(function.name()).ToCString(),
                                   reason));
   Isolate::Current()->long_jump_base()->Jump(1, error);
 }
 
 
 }  // namespace dart