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xo-interpreter2 stack: define-expr's work at top-level

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Roland Conybeare 2026-02-17 14:42:17 -05:00
commit 6f3833d6fb
56 changed files with 1550 additions and 65 deletions
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21
xo-reader2/include/xo/reader2/ParserStateMachine.hpp
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@ -71,6 +71,7 @@ namespace xo {
bool debug_flag() const noexcept { return debug_flag_; }
ParserStack * stack() const noexcept { return stack_; }
obj<AAllocator> expr_alloc() const noexcept { return expr_alloc_; }
DGlobalSymtab * global_symtab() const noexcept { return global_symtab_.data(); }
DLocalSymtab * local_symtab() const noexcept { return local_symtab_; }
const ParserResult & result() const noexcept { return result_; }
@ -315,6 +316,17 @@ namespace xo {
**/
obj<AAllocator> aux_alloc_;
/** global symbol table.
* Toplevel definitions go here.
*
* Uses mmap -> non-trivial destructor.
*
* TODO: may want to move ownership upstairs.
* if so, along with stringtable_.
* maybe new struct ParserState?
**/
dp<DGlobalSymtab> global_symtab_;
/** symbol table with local bindings.
* non-null during parsing of lambda expressions.
* Always allocated from @p expr_alloc_.
@ -323,15 +335,6 @@ namespace xo {
**/
DLocalSymtab * local_symtab_ = nullptr;
/** global symbol table.
* Toplevel definitions go here.
*
* Uses mmap -> non-trivial destructor.
*
* TODO: may want to move ownership upstairs
**/
dp<DGlobalSymtab> global_symtab_;
/** current output from parser **/
ParserResult result_;