Version 3.6.5

src/isolate-inl.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 18 matching lines @@
 #define V8_ISOLATE_INL_H_
 
 #include "isolate.h"
 
 #include "debug.h"
 
 namespace v8 {
 namespace internal {
 
 
+SaveContext::SaveContext(Isolate* isolate) : prev_(isolate->save_context()) {
+  if (isolate->context() != NULL) {
+    context_ = Handle<Context>(isolate->context());
+#if __GNUC_VERSION__ >= 40100 && __GNUC_VERSION__ < 40300
+    dummy_ = Handle<Context>(isolate->context());
+#endif
+  }
+  isolate->set_save_context(this);
+
+  // If there is no JS frame under the current C frame, use the value 0.
+  JavaScriptFrameIterator it(isolate);
+  js_sp_ = it.done() ? 0 : it.frame()->sp();
+}
+
+
 bool Isolate::DebuggerHasBreakPoints() {
 #ifdef ENABLE_DEBUGGER_SUPPORT
   return debug()->has_break_points();
 #else
   return false;
 #endif
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_INL_H_