137 lines · cpp
1//===-- LanguageCategory.cpp ----------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "lldb/DataFormatters/LanguageCategory.h"10 11#include "lldb/DataFormatters/FormatManager.h"12#include "lldb/DataFormatters/TypeCategory.h"13#include "lldb/DataFormatters/TypeFormat.h"14#include "lldb/DataFormatters/TypeSummary.h"15#include "lldb/DataFormatters/TypeSynthetic.h"16#include "lldb/Target/Language.h"17 18using namespace lldb;19using namespace lldb_private;20 21LanguageCategory::LanguageCategory(lldb::LanguageType lang_type)22 : m_category_sp(), m_hardcoded_formats(), m_hardcoded_summaries(),23 m_hardcoded_synthetics(), m_format_cache(), m_enabled(false) {24 if (Language *language_plugin = Language::FindPlugin(lang_type)) {25 m_category_sp = language_plugin->GetFormatters();26 m_hardcoded_formats = language_plugin->GetHardcodedFormats();27 m_hardcoded_summaries = language_plugin->GetHardcodedSummaries();28 m_hardcoded_synthetics = language_plugin->GetHardcodedSynthetics();29 }30 Enable();31}32 33template<typename ImplSP>34bool LanguageCategory::Get(FormattersMatchData &match_data,35 ImplSP &retval_sp) {36 if (!m_category_sp)37 return false;38 39 if (!IsEnabled())40 return false;41 42 if (match_data.GetTypeForCache()) {43 if (m_format_cache.Get(match_data.GetTypeForCache(), retval_sp))44 return (bool)retval_sp;45 }46 47 ValueObject &valobj(match_data.GetValueObject());48 bool result = m_category_sp->Get(valobj.GetObjectRuntimeLanguage(),49 match_data.GetMatchesVector(), retval_sp);50 if (match_data.GetTypeForCache() &&51 (!retval_sp || !retval_sp->NonCacheable())) {52 m_format_cache.Set(match_data.GetTypeForCache(), retval_sp);53 }54 return result;55}56 57namespace lldb_private {58 59/// Explicit instantiations for the three types.60/// \{61template bool62LanguageCategory::Get<lldb::TypeFormatImplSP>(FormattersMatchData &,63 lldb::TypeFormatImplSP &);64template bool65LanguageCategory::Get<lldb::TypeSummaryImplSP>(FormattersMatchData &,66 lldb::TypeSummaryImplSP &);67template bool68LanguageCategory::Get<lldb::SyntheticChildrenSP>(FormattersMatchData &,69 lldb::SyntheticChildrenSP &);70/// \}71 72template <>73auto &LanguageCategory::GetHardcodedFinder<lldb::TypeFormatImplSP>() {74 return m_hardcoded_formats;75}76 77template <>78auto &LanguageCategory::GetHardcodedFinder<lldb::TypeSummaryImplSP>() {79 return m_hardcoded_summaries;80}81 82template <>83auto &LanguageCategory::GetHardcodedFinder<lldb::SyntheticChildrenSP>() {84 return m_hardcoded_synthetics;85}86 87} // namespace lldb_private88 89template <typename ImplSP>90bool LanguageCategory::GetHardcoded(FormatManager &fmt_mgr,91 FormattersMatchData &match_data,92 ImplSP &retval_sp) {93 if (!IsEnabled())94 return false;95 96 ValueObject &valobj(match_data.GetValueObject());97 lldb::DynamicValueType use_dynamic(match_data.GetDynamicValueType());98 99 for (auto &candidate : GetHardcodedFinder<ImplSP>()) {100 if (auto result = candidate(valobj, use_dynamic, fmt_mgr)) {101 retval_sp = result;102 break;103 }104 }105 return (bool)retval_sp;106}107 108/// Explicit instantiations for the three types.109/// \{110template bool LanguageCategory::GetHardcoded<lldb::TypeFormatImplSP>(111 FormatManager &, FormattersMatchData &, lldb::TypeFormatImplSP &);112template bool LanguageCategory::GetHardcoded<lldb::TypeSummaryImplSP>(113 FormatManager &, FormattersMatchData &, lldb::TypeSummaryImplSP &);114template bool LanguageCategory::GetHardcoded<lldb::SyntheticChildrenSP>(115 FormatManager &, FormattersMatchData &, lldb::SyntheticChildrenSP &);116/// \}117 118lldb::TypeCategoryImplSP LanguageCategory::GetCategory() const {119 return m_category_sp;120}121 122FormatCache &LanguageCategory::GetFormatCache() { return m_format_cache; }123 124void LanguageCategory::Enable() {125 if (m_category_sp)126 m_category_sp->Enable(true, TypeCategoryMap::Default);127 m_enabled = true;128}129 130void LanguageCategory::Disable() {131 if (m_category_sp)132 m_category_sp->Disable();133 m_enabled = false;134}135 136bool LanguageCategory::IsEnabled() { return m_enabled; }137