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

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This commit is contained in:
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-interpreter2/include/xo/interpreter2/VirtualSchematikaMachine.hpp
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@ -191,6 +191,11 @@ namespace xo {
/** call primitive @ref fn_ with arguments @ref args_ **/
void _do_call_primitive_op();
/** perform assignment after evaluating
* the rhs of a define-expr
**/
void _do_def_cont_op();
/** restore registers from stack frame
* (specifically: local_env_, stack_, cont_)
* after invoking a schematika closure
@ -225,13 +230,13 @@ namespace xo {
#ifdef NOT_YET
/** allocator (likely DArena) for globals.
* For example DArenaHashMap in global symtab,
* For example DArenaHashMap in global symta.
**/
obj<AAllocator> aux_mm_;
#endif
/** allocator (likely DX1Collector or similar) for
* expressions and values
* expressions and values. Schemaatika reader will use this also
**/
abox<AAllocator> mm_;
@ -267,19 +272,17 @@ namespace xo {
/** expression register **/
obj<AExpression> expr_;
/** environment pointer. Maintains bindings
* for global variables.
**/
DGlobalEnv * global_env_ = nullptr;
/** environment pointer. Provides bindings
* for surrounding lexical scope at this point
* in execution
**/
DLocalEnv * local_env_ = nullptr;
protected: // temporarily, to appease compiler
/** environment pointer. Maintains bindings
* for global variables.
**/
DGlobalEnv * global_env_ = nullptr;
private:
/** evaluated function to call **/
obj<AGCObject> fn_;
/** evaluated argument list **/