forked from OSchip/llvm-project
122 lines
3.4 KiB
C++
122 lines
3.4 KiB
C++
//===-- FormatCache.cpp ---------------------------------------------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
|
|
|
|
|
#include "lldb/DataFormatters/FormatCache.h"
|
|
|
|
using namespace lldb;
|
|
using namespace lldb_private;
|
|
|
|
FormatCache::Entry::Entry()
|
|
: m_format_cached(false), m_summary_cached(false),
|
|
m_synthetic_cached(false) {}
|
|
|
|
bool FormatCache::Entry::IsFormatCached() { return m_format_cached; }
|
|
|
|
bool FormatCache::Entry::IsSummaryCached() { return m_summary_cached; }
|
|
|
|
bool FormatCache::Entry::IsSyntheticCached() { return m_synthetic_cached; }
|
|
|
|
void FormatCache::Entry::Get(lldb::TypeFormatImplSP &retval) {
|
|
retval = m_format_sp;
|
|
}
|
|
|
|
void FormatCache::Entry::Get(lldb::TypeSummaryImplSP &retval) {
|
|
retval = m_summary_sp;
|
|
}
|
|
|
|
void FormatCache::Entry::Get(lldb::SyntheticChildrenSP &retval) {
|
|
retval = m_synthetic_sp;
|
|
}
|
|
|
|
void FormatCache::Entry::Set(lldb::TypeFormatImplSP format_sp) {
|
|
m_format_cached = true;
|
|
m_format_sp = format_sp;
|
|
}
|
|
|
|
void FormatCache::Entry::Set(lldb::TypeSummaryImplSP summary_sp) {
|
|
m_summary_cached = true;
|
|
m_summary_sp = summary_sp;
|
|
}
|
|
|
|
void FormatCache::Entry::Set(lldb::SyntheticChildrenSP synthetic_sp) {
|
|
m_synthetic_cached = true;
|
|
m_synthetic_sp = synthetic_sp;
|
|
}
|
|
|
|
FormatCache::Entry &FormatCache::GetEntry(ConstString type) {
|
|
auto i = m_map.find(type), e = m_map.end();
|
|
if (i != e)
|
|
return i->second;
|
|
m_map[type] = FormatCache::Entry();
|
|
return m_map[type];
|
|
}
|
|
|
|
namespace lldb_private {
|
|
|
|
template<> bool FormatCache::Entry::IsCached<lldb::TypeFormatImplSP>() {
|
|
return IsFormatCached();
|
|
}
|
|
template<> bool FormatCache::Entry::IsCached<lldb::TypeSummaryImplSP> () {
|
|
return IsSummaryCached();
|
|
}
|
|
template<> bool FormatCache::Entry::IsCached<lldb::SyntheticChildrenSP>() {
|
|
return IsSyntheticCached();
|
|
}
|
|
|
|
} // namespace lldb_private
|
|
|
|
template <typename ImplSP>
|
|
bool FormatCache::Get(ConstString type, ImplSP &format_impl_sp) {
|
|
std::lock_guard<std::recursive_mutex> guard(m_mutex);
|
|
auto entry = GetEntry(type);
|
|
if (entry.IsCached<ImplSP>()) {
|
|
m_cache_hits++;
|
|
entry.Get(format_impl_sp);
|
|
return true;
|
|
}
|
|
m_cache_misses++;
|
|
format_impl_sp.reset();
|
|
return false;
|
|
}
|
|
|
|
/// Explicit instantiations for the three types.
|
|
/// \{
|
|
template bool
|
|
FormatCache::Get<lldb::TypeFormatImplSP>(ConstString, lldb::TypeFormatImplSP &);
|
|
template bool
|
|
FormatCache::Get<lldb::TypeSummaryImplSP>(ConstString,
|
|
lldb::TypeSummaryImplSP &);
|
|
template bool
|
|
FormatCache::Get<lldb::SyntheticChildrenSP>(ConstString,
|
|
lldb::SyntheticChildrenSP &);
|
|
/// \}
|
|
|
|
void FormatCache::Set(ConstString type, lldb::TypeFormatImplSP &format_sp) {
|
|
std::lock_guard<std::recursive_mutex> guard(m_mutex);
|
|
GetEntry(type).Set(format_sp);
|
|
}
|
|
|
|
void FormatCache::Set(ConstString type, lldb::TypeSummaryImplSP &summary_sp) {
|
|
std::lock_guard<std::recursive_mutex> guard(m_mutex);
|
|
GetEntry(type).Set(summary_sp);
|
|
}
|
|
|
|
void FormatCache::Set(ConstString type,
|
|
lldb::SyntheticChildrenSP &synthetic_sp) {
|
|
std::lock_guard<std::recursive_mutex> guard(m_mutex);
|
|
GetEntry(type).Set(synthetic_sp);
|
|
}
|
|
|
|
void FormatCache::Clear() {
|
|
std::lock_guard<std::recursive_mutex> guard(m_mutex);
|
|
m_map.clear();
|
|
}
|