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xo-expression2: + DUniqueString, use in StringTable

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This commit is contained in:
Roland Conybeare 2026-01-16 13:05:58 -05:00
commit 6f8fb9f15a
9 changed files with 304 additions and 26 deletions
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30
xo-object2/src/object2/DString.cpp
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@ -58,16 +58,24 @@ namespace xo {
}
DString *
DString::from_view(obj<AAllocator> mm,
std::string_view sv)
DString::_from_view_aux(obj<AAllocator> mm,
std::string_view sv,
bool suballoc_flag)
{
size_type len = sv.size();
size_type cap = len + 1;
void * mem = mm.alloc(typeseq::id<DString>(),
sizeof(DString) + cap);
auto tseq = typeseq::id<DString>();
void * mem = nullptr;
size_type mem_z = sizeof(DString) + cap;
if (suballoc_flag)
mem = mm.sub_alloc(mem_z, false /*!complete_flag*/);
else
mem = mm.alloc(tseq, mem_z);
DString * result = new (mem) DString();
result->capacity_ = cap;
result->size_ = len;
std::memcpy(result->chars_, sv.data(), len);
@ -76,6 +84,20 @@ namespace xo {
return result;
}
DString *
DString::from_view(obj<AAllocator> mm,
std::string_view sv)
{
return _from_view_aux(mm, sv, false /*!suballoc_flag*/);
}
DString *
DString::from_view_suballoc(obj<AAllocator> mm,
std::string_view sv)
{
return _from_view_aux(mm, sv, true /*suballoc_flag*/);
}
DString *
DString::clone(obj<AAllocator> mm, const DString * src)
{