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-// Copyright (c) 2006, Google Inc.
-// 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 with the
-// distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// call_stack.h: A call stack comprised of stack frames.
-//
-// This class manages a vector of stack frames. It is used instead of
-// exposing the vector directly to allow the CallStack to own StackFrame
-// pointers without having to publicly export the linked_ptr class. A
-// CallStack must be composed of pointers instead of objects to allow for
-// CPU-specific StackFrame subclasses.
-//
-// By convention, the stack frame at index 0 is the innermost callee frame,
-// and the frame at the highest index in a call stack is the outermost
-// caller. CallStack only allows stacks to be built by pushing frames,
-// beginning with the innermost callee frame.
-//
-// Author: Mark Mentovai
-
-#ifndef GOOGLE_AIRBAG_PROCESSOR_CALL_STACK_H__
-#define GOOGLE_AIRBAG_PROCESSOR_CALL_STACK_H__
-
-#include <vector>
-
-namespace google_airbag {
-
-using std::vector;
-
-struct StackFrame;
-template<typename T> class linked_ptr;
-
-class CallStack {
- public:
- CallStack() { Clear(); }
- ~CallStack();
-
- // Resets the CallStack to its initial empty state
- void Clear();
-
- const vector<StackFrame*>* frames() const { return &frames_; }
-
- private:
- // Stackwalker is responsible for building the frames_ vector.
- friend class Stackwalker;
-
- // Storage for pushed frames.
- vector<StackFrame*> frames_;
-};
-
-} // namespace google_airbag
-
-#endif // GOOGLE_AIRBAG_PROCSSOR_CALL_STACK_H__