1 files changed, 244 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/Language/CPlusPlus/LibCxx.h b/contrib/llvm-project/lldb/source/Plugins/Language/CPlusPlus/LibCxx.h
new file mode 100644
index 000000000000..5307b5251ca8
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+++ b/contrib/llvm-project/lldb/source/Plugins/Language/CPlusPlus/LibCxx.h
@@ -0,0 +1,244 @@
+//===-- LibCxx.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_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_LIBCXX_H
+#define LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_LIBCXX_H
+
+#include "lldb/Core/ValueObject.h"
+#include "lldb/DataFormatters/TypeSummary.h"
+#include "lldb/DataFormatters/TypeSynthetic.h"
+#include "lldb/Utility/Stream.h"
+
+namespace lldb_private {
+namespace formatters {
+
+/// Find a child member of \c obj_sp, trying all alternative names in order.
+lldb::ValueObjectSP
+GetChildMemberWithName(ValueObject &obj,
+                       llvm::ArrayRef<ConstString> alternative_names);
+
+lldb::ValueObjectSP GetFirstValueOfLibCXXCompressedPair(ValueObject &pair);
+lldb::ValueObjectSP GetSecondValueOfLibCXXCompressedPair(ValueObject &pair);
+
+
+bool LibcxxStringSummaryProviderASCII(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &summary_options); // libc++ std::string
+
+bool LibcxxStringSummaryProviderUTF16(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &summary_options); // libc++ std::u16string
+
+bool LibcxxStringSummaryProviderUTF32(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &summary_options); // libc++ std::u32string
+
+bool LibcxxWStringSummaryProvider(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &options); // libc++ std::wstring
+
+bool LibcxxStringViewSummaryProviderASCII(
+    ValueObject &valueObj, Stream &stream,
+    const TypeSummaryOptions &summary_options); // libc++ std::string_view
+
+bool LibcxxStringViewSummaryProviderUTF16(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &summary_options); // libc++ std::u16string_view
+
+bool LibcxxStringViewSummaryProviderUTF32(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &summary_options); // libc++ std::u32string_view
+
+bool LibcxxWStringViewSummaryProvider(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &options); // libc++ std::wstring_view
+
+bool LibcxxStdSliceArraySummaryProvider(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &options); // libc++ std::slice_array
+
+bool LibcxxSmartPointerSummaryProvider(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions
+        &options); // libc++ std::shared_ptr<> and std::weak_ptr<>
+
+// libc++ std::unique_ptr<>
+bool LibcxxUniquePointerSummaryProvider(ValueObject &valobj, Stream &stream,
+                                        const TypeSummaryOptions &options);
+
+bool LibcxxFunctionSummaryProvider(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &options); // libc++ std::function<>
+
+SyntheticChildrenFrontEnd *
+LibcxxVectorBoolSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                         lldb::ValueObjectSP);
+
+bool LibcxxContainerSummaryProvider(ValueObject &valobj, Stream &stream,
+                                    const TypeSummaryOptions &options);
+
+/// Formatter for libc++ std::span<>.
+bool LibcxxSpanSummaryProvider(ValueObject &valobj, Stream &stream,
+                               const TypeSummaryOptions &options);
+
+SyntheticChildrenFrontEnd *
+LibCxxVectorIteratorSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                             lldb::ValueObjectSP);
+
+class LibcxxSharedPtrSyntheticFrontEnd : public SyntheticChildrenFrontEnd {
+public:
+  LibcxxSharedPtrSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
+
+  llvm::Expected<uint32_t> CalculateNumChildren() override;
+
+  lldb::ValueObjectSP GetChildAtIndex(uint32_t idx) override;
+
+  lldb::ChildCacheState Update() override;
+
+  bool MightHaveChildren() override;
+
+  size_t GetIndexOfChildWithName(ConstString name) override;
+
+  ~LibcxxSharedPtrSyntheticFrontEnd() override;
+
+private:
+  ValueObject *m_cntrl;
+};
+
+class LibcxxUniquePtrSyntheticFrontEnd : public SyntheticChildrenFrontEnd {
+public:
+  LibcxxUniquePtrSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
+
+  llvm::Expected<uint32_t> CalculateNumChildren() override;
+
+  lldb::ValueObjectSP GetChildAtIndex(uint32_t idx) override;
+
+  lldb::ChildCacheState Update() override;
+
+  bool MightHaveChildren() override;
+
+  size_t GetIndexOfChildWithName(ConstString name) override;
+
+  ~LibcxxUniquePtrSyntheticFrontEnd() override;
+
+private:
+  lldb::ValueObjectSP m_value_ptr_sp;
+  lldb::ValueObjectSP m_deleter_sp;
+};
+
+SyntheticChildrenFrontEnd *
+LibcxxBitsetSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                     lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibcxxSharedPtrSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                        lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibcxxUniquePtrSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                        lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibcxxStdVectorSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                        lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibcxxStdValarraySyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                          lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibcxxStdSliceArraySyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                            lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibcxxStdProxyArraySyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                            lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibcxxStdListSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                      lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibcxxStdForwardListSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                             lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibcxxStdMapSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                     lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibCxxMapIteratorSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                          lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibcxxStdUnorderedMapSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                              lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibCxxUnorderedMapIteratorSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                                   lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibcxxInitializerListSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                              lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *LibcxxQueueFrontEndCreator(CXXSyntheticChildren *,
+                                                      lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *LibcxxTupleFrontEndCreator(CXXSyntheticChildren *,
+                                                      lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibcxxOptionalSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                       lldb::ValueObjectSP valobj_sp);
+
+SyntheticChildrenFrontEnd *
+LibcxxVariantFrontEndCreator(CXXSyntheticChildren *,
+                             lldb::ValueObjectSP valobj_sp);
+
+SyntheticChildrenFrontEnd *
+LibcxxStdSpanSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                      lldb::ValueObjectSP);
+
+SyntheticChildrenFrontEnd *
+LibcxxStdRangesRefViewSyntheticFrontEndCreator(CXXSyntheticChildren *,
+                                               lldb::ValueObjectSP);
+
+bool LibcxxChronoSysSecondsSummaryProvider(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &options); // libc++ std::chrono::sys_seconds
+
+bool LibcxxChronoSysDaysSummaryProvider(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &options); // libc++ std::chrono::sys_days
+
+bool LibcxxChronoLocalSecondsSummaryProvider(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &options); // libc++ std::chrono::local_seconds
+
+bool LibcxxChronoLocalDaysSummaryProvider(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &options); // libc++ std::chrono::local_days
+
+bool LibcxxChronoMonthSummaryProvider(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &options); // libc++ std::chrono::month
+
+bool LibcxxChronoWeekdaySummaryProvider(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &options); // libc++ std::chrono::weekday
+
+bool LibcxxChronoYearMonthDaySummaryProvider(
+    ValueObject &valobj, Stream &stream,
+    const TypeSummaryOptions &options); // libc++ std::chrono::year_month_day
+
+} // namespace formatters
+} // namespace lldb_private
+
+#endif // LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_LIBCXX_H