xo-reader2: intern for DDefineExpr lhs symbol

2026-01-20 00:08:51 -05:00 · 2026-01-20 00:08:51 -05:00 · 6e7524a730
commit 6e7524a730
parent 9ab828059b
3 changed files with 15 additions and 2 deletions
--- a/include/xo/reader2/ParserStateMachine.hpp
+++ b/include/xo/reader2/ParserStateMachine.hpp
@ -69,6 +69,10 @@ namespace xo {
            /** pop syntax state machine from top of @ref stack_ **/
            void pop_ssm();

+            /** get unique string copy of @p str. Idempotent for each @p str.
+             **/
+            const DUniqueString * intern_string(std::string_view str);
+
            /** add variable to current local environment (innermost lexical scope) **/
            void upsert_var(DVariable * var);