================ @@ -0,0 +1,166 @@ +//===-- LibCxxSliceArray.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 "LibCxx.h" + +#include "lldb/Core/ValueObject.h" +#include "lldb/DataFormatters/FormattersHelpers.h" +#include <optional> + +using namespace lldb; +using namespace lldb_private; +using namespace lldb_private::formatters; + +namespace lldb_private { +namespace formatters { + +bool LibcxxStdSliceArraySummaryProvider(ValueObject &valobj, Stream &stream, + const TypeSummaryOptions &options) { + ValueObjectSP obj = valobj.GetNonSyntheticValue(); + if (!obj) + return false; + + ValueObjectSP ptr_sp = obj->GetChildMemberWithName("__size_"); + if (!ptr_sp) + return false; + const size_t size = ptr_sp->GetValueAsUnsigned(0); + + ptr_sp = obj->GetChildMemberWithName("__stride_"); + if (!ptr_sp) + return false; + const size_t stride = ptr_sp->GetValueAsUnsigned(0); + + stream.Printf("stride=%" PRIu64 " size=%" PRIu64, stride, size); + + return true; +} + +/// Data formatter for libc++'s std::slice_array. +/// +/// A slice_array is created by using: +/// operator[](std::slice slicearr); +/// and std::slice is created by: +/// slice(std::size_t start, std::size_t size, std::size_t stride); +/// The std::slice_array has the following members: +/// - __vp_ pointes to std::valarray::__begin_ + @a start ---------------- Michael137 wrote:
```suggestion /// - __vp_ points to std::valarray::__begin_ + @a start ``` https://github.com/llvm/llvm-project/pull/85544 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits