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📄 Breakpoint.h(24.45 KB)
📄 BreakpointID.h(3.22 KB)
📄 BreakpointIDList.h(2.34 KB)
📄 BreakpointList.h(5.6 KB)
📄 BreakpointLocation.h(11.94 KB)
📄 BreakpointLocationCollection.h(5.67 KB)
📄 BreakpointLocationList.h(7.13 KB)
📄 BreakpointName.h(6.13 KB)
📄 BreakpointOptions.h(13.73 KB)
📄 BreakpointPrecondition.h(931 B)
📄 BreakpointResolver.h(8.49 KB)
📄 BreakpointResolverAddress.h(3.11 KB)
📄 BreakpointResolverFileLine.h(2.94 KB)
📄 BreakpointResolverFileRegex.h(2.9 KB)
📄 BreakpointResolverName.h(3.69 KB)
📄 BreakpointResolverScripted.h(2.94 KB)
📄 BreakpointSite.h(8.58 KB)
📄 BreakpointSiteList.h(5.44 KB)
📄 Stoppoint.h(1.05 KB)
📄 StoppointCallbackContext.h(1.82 KB)
📄 StoppointLocation.h(2.96 KB)
📄 Watchpoint.h(7.53 KB)
📄 WatchpointList.h(6.13 KB)
📄 WatchpointOptions.h(7.04 KB)

Editing: WatchpointList.h

//===-- WatchpointList.h ----------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLDB_BREAKPOINT_WATCHPOINTLIST_H
#define LLDB_BREAKPOINT_WATCHPOINTLIST_H

#include <list>
#include <mutex>
#include <vector>

#include "lldb/Core/Address.h"
#include "lldb/lldb-private.h"

namespace lldb_private {

/// \class WatchpointList WatchpointList.h "lldb/Breakpoint/WatchpointList.h"
/// This class is used by Watchpoint to manage a list of watchpoints,
//  each watchpoint in the list has a unique ID, and is unique by Address as
//  well.

class WatchpointList {
  // Only Target can make the watchpoint list, or add elements to it. This is
  // not just some random collection of watchpoints.  Rather, the act of adding
  // the watchpoint to this list sets its ID.
  friend class Watchpoint;
  friend class Target;

public:
  /// Default constructor makes an empty list.
  WatchpointList();

/// Destructor, currently does nothing.
  ~WatchpointList();

/// Add a Watchpoint to the list.
  ///
  /// \param[in] wp_sp
  ///    A shared pointer to a watchpoint being added to the list.
  ///
  /// \return
  ///    The ID of the Watchpoint in the list.
  lldb::watch_id_t Add(const lldb::WatchpointSP &wp_sp, bool notify);

/// Standard "Dump" method.
  void Dump(Stream *s) const;

/// Dump with lldb::DescriptionLevel.
  void DumpWithLevel(Stream *s, lldb::DescriptionLevel description_level) const;

/// Returns a shared pointer to the watchpoint at address \a addr - const
  /// version.
  ///
  /// \param[in] addr
  ///     The address to look for.
  ///
  /// \result
  ///     A shared pointer to the watchpoint.  May contain a NULL
  ///     pointer if the watchpoint doesn't exist.
  const lldb::WatchpointSP FindByAddress(lldb::addr_t addr) const;

/// Returns a shared pointer to the watchpoint with watchpoint spec \a spec
  /// - const version.
  ///
  /// \param[in] spec
  ///     The watchpoint spec to look for.
  ///
  /// \result
  ///     A shared pointer to the watchpoint.  May contain a NULL
  ///     pointer if the watchpoint doesn't exist.
  const lldb::WatchpointSP FindBySpec(std::string spec) const;

/// Returns a shared pointer to the watchpoint with id \a watchID, const
  /// version.
  ///
  /// \param[in] watchID
  ///     The watchpoint location ID to seek for.
  ///
  /// \result
  ///     A shared pointer to the watchpoint.  May contain a NULL
  ///     pointer if the watchpoint doesn't exist.
  lldb::WatchpointSP FindByID(lldb::watch_id_t watchID) const;

/// Returns the watchpoint id to the watchpoint at address \a addr.
  ///
  /// \param[in] addr
  ///     The address to match.
  ///
  /// \result
  ///     The ID of the watchpoint, or LLDB_INVALID_WATCH_ID.
  lldb::watch_id_t FindIDByAddress(lldb::addr_t addr);

/// Returns the watchpoint id to the watchpoint with watchpoint spec \a
  /// spec.
  ///
  /// \param[in] spec
  ///     The watchpoint spec to match.
  ///
  /// \result
  ///     The ID of the watchpoint, or LLDB_INVALID_WATCH_ID.
  lldb::watch_id_t FindIDBySpec(std::string spec);

/// Returns a shared pointer to the watchpoint with index \a i.
  ///
  /// \param[in] i
  ///     The watchpoint index to seek for.
  ///
  /// \result
  ///     A shared pointer to the watchpoint.  May contain a NULL pointer if
  ///     the watchpoint doesn't exist.
  lldb::WatchpointSP GetByIndex(uint32_t i);

/// Returns a shared pointer to the watchpoint with index \a i, const
  /// version.
  ///
  /// \param[in] i
  ///     The watchpoint index to seek for.
  ///
  /// \result
  ///     A shared pointer to the watchpoint.  May contain a NULL pointer if
  ///     the watchpoint location doesn't exist.
  const lldb::WatchpointSP GetByIndex(uint32_t i) const;

/// Removes the watchpoint given by \b watchID from this list.
  ///
  /// \param[in] watchID
  ///   The watchpoint ID to remove.
  ///
  /// \result
  ///   \b true if the watchpoint \a watchID was in the list.
  bool Remove(lldb::watch_id_t watchID, bool notify);

/// Returns the number hit count of all watchpoints in this list.
  ///
  /// \result
  ///     Hit count of all watchpoints in this list.
  uint32_t GetHitCount() const;

/// Enquires of the watchpoint in this list with ID \a watchID whether we
  /// should stop.
  ///
  /// \param[in] context
  ///     This contains the information about this stop.
  ///
  /// \param[in] watchID
  ///     This watch ID that we hit.
  ///
  /// \return
  ///     \b true if we should stop, \b false otherwise.
  bool ShouldStop(StoppointCallbackContext *context, lldb::watch_id_t watchID);

/// Returns the number of elements in this watchpoint list.
  ///
  /// \result
  ///     The number of elements.
  size_t GetSize() const {
    std::lock_guard<std::recursive_mutex> guard(m_mutex);
    return m_watchpoints.size();
  }

/// Print a description of the watchpoints in this list to the stream \a s.
  ///
  /// \param[in] s
  ///     The stream to which to print the description.
  ///
  /// \param[in] level
  ///     The description level that indicates the detail level to
  ///     provide.
  ///
  /// \see lldb::DescriptionLevel
  void GetDescription(Stream *s, lldb::DescriptionLevel level);

void SetEnabledAll(bool enabled);

void RemoveAll(bool notify);

/// Sets the passed in Locker to hold the Watchpoint List mutex.
  ///
  /// \param[in] lock
  ///   The locker object that is set.
  void GetListMutex(std::unique_lock<std::recursive_mutex> &lock);

protected:
  typedef std::list<lldb::WatchpointSP> wp_collection;
  typedef std::vector<lldb::watch_id_t> id_vector;

id_vector GetWatchpointIDs() const;

wp_collection::iterator GetIDIterator(lldb::watch_id_t watchID);

wp_collection::const_iterator
  GetIDConstIterator(lldb::watch_id_t watchID) const;

wp_collection m_watchpoints;
  mutable std::recursive_mutex m_mutex;

lldb::watch_id_t m_next_wp_id;
};

} // namespace lldb_private

#endif // LLDB_BREAKPOINT_WATCHPOINTLIST_H

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Editing: WatchpointList.h

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