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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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10
xo-expression2/src/expression2/StringTable.cpp
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@ -23,7 +23,7 @@ namespace xo {
(void)debug_flag;
}
const DString *
const DUniqueString *
StringTable::lookup(std::string_view key) const
{
auto ix = map_.find(key);
@ -34,7 +34,7 @@ namespace xo {
return nullptr;
}
const DString *
const DUniqueString *
StringTable::intern(std::string_view key)
{
// 1a. lookup key in map_.
@ -49,9 +49,9 @@ namespace xo {
//
// 2d. return key2 address
// 2a. allocate DString copy 'interned' of key in strings_
// 2a. allocate DUniqueString copy 'interned' of key in strings_
auto mm = with_facet<AAllocator>::mkobj(&strings_);
DString * interned = DString::from_view(mm, key);
DUniqueString * interned = DUniqueString::from_view(mm, key);
assert(interned);
if (interned) {
@ -90,7 +90,7 @@ namespace xo {
/* ST2: for each entry, key points to value's string data */
for (const auto & kv : map_) {
const std::string_view & key = kv.first;
const DString * value = kv.second;
const DUniqueString * value = kv.second;
/* ST2.1: value is not null */
if (value == nullptr) {