DebugStack.h

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// SPDX-FileCopyrightText: 2000-2005, 2018, 2020, 2023, 2026 Carlo Wood
// SPDX-License-Identifier: MIT
 
#pragma once

 
#ifndef LIBCWD_PRIVATE_DEBUG_STACK_H
#define LIBCWD_PRIVATE_DEBUG_STACK_H
 
#include "libcwd/config.h"
 
#include <cstddef> // Needed for size_t
 
#ifndef HIDE_FROM_DOXYGEN
namespace libcwd::_private_ {
 
// Stack implementation that doesn't have a constructor.
// The size of 64 should be MORE then enough.
 
template <typename T> // T must be a builtin type.
struct DebugStack
{
 public:
  static constexpr int max_size = 64;
 
 private:
  T stack_[max_size];
  T* current_;
  T* end_;
 
 public:
  void init();
  void push(T ptr);
  void pop();
  T top() const;
  size_t size() const;
};
 
} // namespace libcwd::_private_
#endif // HIDE_FROM_DOXYGEN
 
#endif // LIBCWD_PRIVATE_DEBUG_STACK_H