137 lines
4.4 KiB
C++
137 lines
4.4 KiB
C++
//===-- LanguageCategory.cpp ----------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/DataFormatters/LanguageCategory.h"
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#include "lldb/DataFormatters/FormatManager.h"
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#include "lldb/DataFormatters/TypeCategory.h"
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#include "lldb/DataFormatters/TypeFormat.h"
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#include "lldb/DataFormatters/TypeSummary.h"
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#include "lldb/DataFormatters/TypeSynthetic.h"
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#include "lldb/Target/Language.h"
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using namespace lldb;
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using namespace lldb_private;
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LanguageCategory::LanguageCategory(lldb::LanguageType lang_type)
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: m_category_sp(), m_hardcoded_formats(), m_hardcoded_summaries(),
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m_hardcoded_synthetics(), m_format_cache(), m_enabled(false) {
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if (Language *language_plugin = Language::FindPlugin(lang_type)) {
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m_category_sp = language_plugin->GetFormatters();
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m_hardcoded_formats = language_plugin->GetHardcodedFormats();
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m_hardcoded_summaries = language_plugin->GetHardcodedSummaries();
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m_hardcoded_synthetics = language_plugin->GetHardcodedSynthetics();
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}
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Enable();
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}
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template<typename ImplSP>
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bool LanguageCategory::Get(FormattersMatchData &match_data,
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ImplSP &retval_sp) {
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if (!m_category_sp)
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return false;
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if (!IsEnabled())
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return false;
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if (match_data.GetTypeForCache()) {
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if (m_format_cache.Get(match_data.GetTypeForCache(), retval_sp))
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return (bool)retval_sp;
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}
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ValueObject &valobj(match_data.GetValueObject());
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bool result = m_category_sp->Get(valobj.GetObjectRuntimeLanguage(),
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match_data.GetMatchesVector(), retval_sp);
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if (match_data.GetTypeForCache() &&
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(!retval_sp || !retval_sp->NonCacheable())) {
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m_format_cache.Set(match_data.GetTypeForCache(), retval_sp);
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}
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return result;
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}
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namespace lldb_private {
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/// Explicit instantiations for the three types.
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/// \{
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template bool
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LanguageCategory::Get<lldb::TypeFormatImplSP>(FormattersMatchData &,
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lldb::TypeFormatImplSP &);
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template bool
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LanguageCategory::Get<lldb::TypeSummaryImplSP>(FormattersMatchData &,
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lldb::TypeSummaryImplSP &);
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template bool
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LanguageCategory::Get<lldb::SyntheticChildrenSP>(FormattersMatchData &,
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lldb::SyntheticChildrenSP &);
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/// \}
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template <>
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auto &LanguageCategory::GetHardcodedFinder<lldb::TypeFormatImplSP>() {
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return m_hardcoded_formats;
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}
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template <>
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auto &LanguageCategory::GetHardcodedFinder<lldb::TypeSummaryImplSP>() {
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return m_hardcoded_summaries;
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}
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template <>
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auto &LanguageCategory::GetHardcodedFinder<lldb::SyntheticChildrenSP>() {
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return m_hardcoded_synthetics;
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}
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} // namespace lldb_private
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template <typename ImplSP>
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bool LanguageCategory::GetHardcoded(FormatManager &fmt_mgr,
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FormattersMatchData &match_data,
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ImplSP &retval_sp) {
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if (!IsEnabled())
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return false;
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ValueObject &valobj(match_data.GetValueObject());
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lldb::DynamicValueType use_dynamic(match_data.GetDynamicValueType());
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for (auto &candidate : GetHardcodedFinder<ImplSP>()) {
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if (auto result = candidate(valobj, use_dynamic, fmt_mgr)) {
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retval_sp = result;
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break;
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}
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}
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return (bool)retval_sp;
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}
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/// Explicit instantiations for the three types.
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/// \{
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template bool LanguageCategory::GetHardcoded<lldb::TypeFormatImplSP>(
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FormatManager &, FormattersMatchData &, lldb::TypeFormatImplSP &);
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template bool LanguageCategory::GetHardcoded<lldb::TypeSummaryImplSP>(
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FormatManager &, FormattersMatchData &, lldb::TypeSummaryImplSP &);
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template bool LanguageCategory::GetHardcoded<lldb::SyntheticChildrenSP>(
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FormatManager &, FormattersMatchData &, lldb::SyntheticChildrenSP &);
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/// \}
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lldb::TypeCategoryImplSP LanguageCategory::GetCategory() const {
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return m_category_sp;
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}
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FormatCache &LanguageCategory::GetFormatCache() { return m_format_cache; }
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void LanguageCategory::Enable() {
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if (m_category_sp)
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m_category_sp->Enable(true, TypeCategoryMap::Default);
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m_enabled = true;
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}
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void LanguageCategory::Disable() {
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if (m_category_sp)
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m_category_sp->Disable();
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m_enabled = false;
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}
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bool LanguageCategory::IsEnabled() { return m_enabled; }
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