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xo-interpreter2 stack: work on apply for closures [WIP]

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This commit is contained in:
Roland Conybeare 2026-02-12 20:09:22 -05:00
commit fd0e5613dd
8 changed files with 47 additions and 27 deletions
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36
src/interpreter2/DClosure.cpp
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@ -7,6 +7,7 @@
#include "LambdaExpr.hpp"
#include "LocalEnv.hpp"
#include "VsmRcx.hpp"
#include <xo/object2/RuntimeError.hpp>
#include <xo/indentlog/scope.hpp>
#include <cstddef>
@ -35,6 +36,8 @@ namespace xo {
DClosure::apply_nocheck(obj<ARuntimeContext> rcx,
const DArray * args)
{
(void)args;
scope log(XO_DEBUG(true));
auto vsm_rcx
@ -42,26 +45,31 @@ namespace xo {
log && log(xtag("vsm_rcx.data", (void*)vsm_rcx.data()));
// let's try a not-implemented error
// don't want to clutter Procedure facet, since it's
// lower-level than xo-interpreter2
// we already checked this stuff before calling apply_nocheck()
// assert (n_args == args->size());
#ifdef NOT_YET
// TODO: verify arguments against type signature.
// unless we have evidence that program is type correct
int32_t n_args = this->n_args();
if (n_args != args->size()) {
//
}
auto local_env
= DLocalEnv::_make(vsm_rcx->allocator(),
env_,
lambda_->local_symtab(),
args);
#endif
// plan:
// 1. push current local environment to vsm stack_
// 2. set expr_ to lambda body
// 2. set pc_ to eval
// 3. set cont_ to restore local_env_
(void)args;
auto err_mm
= vsm_rcx->error_allocator();
assert(false);
auto err
= DRuntimeError::make(err_mm,
"DClosure::apply_nocheck",
"not implemented");
return err;
}
size_t