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//===-- FormatCache.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_FormatCache_h_
#define lldb_FormatCache_h_
#include <map>
#include <mutex>
#include "lldb/Utility/ConstString.h"
#include "lldb/lldb-public.h"
namespace lldb_private {
class FormatCache {
private:
struct Entry {
private:
bool m_format_cached : 1;
bool m_summary_cached : 1;
bool m_synthetic_cached : 1;
lldb::TypeFormatImplSP m_format_sp;
lldb::TypeSummaryImplSP m_summary_sp;
lldb::SyntheticChildrenSP m_synthetic_sp;
public:
Entry();
template<typename ImplSP> bool IsCached();
bool IsFormatCached();
bool IsSummaryCached();
bool IsSyntheticCached();
void Get(lldb::TypeFormatImplSP &);
void Get(lldb::TypeSummaryImplSP &);
void Get(lldb::SyntheticChildrenSP &);
void Set(lldb::TypeFormatImplSP);
void Set(lldb::TypeSummaryImplSP);
void Set(lldb::SyntheticChildrenSP);
};
typedef std::map<ConstString, Entry> CacheMap;
CacheMap m_map;
std::recursive_mutex m_mutex;
uint64_t m_cache_hits;
uint64_t m_cache_misses;
Entry &GetEntry(ConstString type);
public:
FormatCache();
template <typename ImplSP> bool Get(ConstString type, ImplSP &format_impl_sp);
void Set(ConstString type, lldb::TypeFormatImplSP &format_sp);
void Set(ConstString type, lldb::TypeSummaryImplSP &summary_sp);
void Set(ConstString type, lldb::SyntheticChildrenSP &synthetic_sp);
void Clear();
uint64_t GetCacheHits() { return m_cache_hits; }
uint64_t GetCacheMisses() { return m_cache_misses; }
};
} // namespace lldb_private
#endif // lldb_FormatCache_h_
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