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xo-reader2 stack: top-level lambda w/ apply parses

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This commit is contained in:
Roland Conybeare 2026-02-05 15:45:40 -05:00
commit 60b8fda134
26 changed files with 858 additions and 20 deletions
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6
include/xo/expression2/DLocalSymtab.hpp
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@ -31,14 +31,14 @@ namespace xo {
struct Slot {
Slot() = default;
explicit Slot(const DVariable * var) : var_{var} {}
explicit Slot(DVariable * var) : var_{var} {}
/** variable representing a formal argument.
* binding will be correct only within the same layer
* as top-level lambda body
* (i.e. up to the doorstep of each and every nested lambda)
**/
const DVariable * var_ = nullptr;
DVariable * var_ = nullptr;
};
public:
@ -65,7 +65,7 @@ namespace xo {
size_type capacity() const noexcept { return capacity_; }
size_type size() const noexcept { return size_; }
const DVariable * lookup_var(Binding ix) const noexcept {
DVariable * lookup_var(Binding ix) noexcept {
assert(ix.i_link() == 0);
assert(ix.j_slot() < static_cast<int32_t>(size_));