OptionValueFileSpecList.h

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//===-- OptionValueFileSpecList.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_INTERPRETER_OPTIONVALUEFILESPECLIST_H
#define LLDB_INTERPRETER_OPTIONVALUEFILESPECLIST_H
 
#include <mutex>
 
#include "lldb/Interpreter/OptionValue.h"
#include "lldb/Utility/FileSpecList.h"
 
namespace lldb_private {
 
class OptionValueFileSpecList
    : public Cloneable<OptionValueFileSpecList, OptionValue> {
public:
  OptionValueFileSpecList() = default;
 
  OptionValueFileSpecList(const OptionValueFileSpecList &other)
      : Cloneable(other), m_current_value(other.GetCurrentValue()) {}
 
  ~OptionValueFileSpecList() override = default;
 
  // Virtual subclass pure virtual overrides
 
  OptionValue::Type GetType() const override { return eTypeFileSpecList; }
 
  void DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
                 uint32_t dump_mask) override;
 
  llvm::json::Value ToJSON(const ExecutionContext *exe_ctx) const override;
 
  Status
  SetValueFromString(llvm::StringRef value,
                     VarSetOperationType op = eVarSetOperationAssign) override;
 
  bool IsAggregateValue() const override { return true; }
 
  // Subclass specific functions
 
  FileSpecList GetCurrentValue() const {
    std::lock_guard<std::recursive_mutex> lock(m_rmutex);
    return m_current_value;
  }
 
  void SetCurrentValue(const FileSpecList &value) {
    std::lock_guard<std::recursive_mutex> lock(m_rmutex);
    m_current_value = value;
  }
 
  void AppendCurrentValue(const FileSpec &value) {
    std::lock_guard<std::recursive_mutex> lock(m_rmutex);
    m_current_value.Append(value);
  }
 
protected:
  lldb::OptionValueSP Clone() const override;
 
  void ClearImpl() override {
    m_current_value.Clear();
    m_value_was_set = false;
  }
  // FIXME: This could use the existing m_mutex from the OptionValue
  // parent class, but needs clean up in callsites to avoid deadlock.
  mutable std::recursive_mutex m_rmutex;
  FileSpecList m_current_value;
};
 
} // namespace lldb_private
 
#endif // LLDB_INTERPRETER_OPTIONVALUEFILESPECLIST_H