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[lldb] Use std::nullopt instead of None (NFC)

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This patch mechanically replaces None with std::nullopt where the
compiler would warn if None were deprecated.  The intent is to reduce
the amount of manual work required in migrating from Optional to
std::optional.

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
This commit is contained in:
Kazu Hirata
2022-12-04 16:51:25 -08:00
parent 5fa43db46e
commit 343523d040
134 changed files with 400 additions and 396 deletions
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8
lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
View File

@@ -822,7 +822,7 @@ UUID ObjectFileELF::GetUUID() {
llvm::Optional<FileSpec> ObjectFileELF::GetDebugLink() {
if (m_gnu_debuglink_file.empty())
return llvm::None;
return std::nullopt;
return FileSpec(m_gnu_debuglink_file);
}
@@ -1770,13 +1770,13 @@ public:
if (H.p_memsz == 0) {
LLDB_LOG(Log, "Ignoring zero-sized {0} segment. Corrupt object file?",
SegmentName);
return llvm::None;
return std::nullopt;
}
if (Segments.overlaps(H.p_vaddr, H.p_vaddr + H.p_memsz)) {
LLDB_LOG(Log, "Ignoring overlapping {0} segment. Corrupt object file?",
SegmentName);
return llvm::None;
return std::nullopt;
}
return VMRange(H.p_vaddr, H.p_memsz);
}
@@ -1801,7 +1801,7 @@ public:
if (Range.GetByteSize() > 0 &&
Sections.overlaps(Range.GetRangeBase(), Range.GetRangeEnd())) {
LLDB_LOG(Log, "Ignoring overlapping section. Corrupt object file?");
return llvm::None;
return std::nullopt;
}
if (Segment)
Range.Slide(-Segment->GetFileAddress());