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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 0ae4b1528f
6 changed files with 255 additions and 20 deletions
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8
include/xo/expression2/StringTable.hpp
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@ -5,7 +5,7 @@
#pragma once
#include <xo/object2/DString.hpp>
#include "DUniqueString.hpp"
#include <xo/arena/DArenaHashMap.hpp>
#include <xo/arena/DArena.hpp>
#include <xo/arena/hashmap/verify_policy.hpp>
@ -22,7 +22,7 @@ namespace xo {
public:
using DArena = xo::mm::DArena;
using StringMap = xo::map::DArenaHashMap<std::string_view,
DString*>;
DUniqueString*>;
using size_type = StringMap::size_type;
public:
@ -30,10 +30,10 @@ namespace xo {
bool debug_flag = false);
/** lookup interned string; nullptr if not present **/
const DString * lookup(std::string_view key) const;
const DUniqueString * lookup(std::string_view key) const;
/** return unique string with contents @p key. Idempotent! **/
const DString * intern(std::string_view key);
const DUniqueString * intern(std::string_view key);
/** verify StringTable invariants.
* Act on failure according to policy @p p