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Found the bug. All tests pass PE, except for those that overflow the stack. Those are disabled, and the remaning must be run with --release. Can maybe improve PE tail call to prevent that

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This commit is contained in:
Nathan Braswell
2023-02-22 20:16:08 -05:00
parent bde04e94df
commit e327ed7314
2 changed files with 47 additions and 18 deletions
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62
kr/src/ast.rs
View File

@@ -529,12 +529,15 @@ impl DCtx {
let mut real_set = Rc::clone(&self.real_set);
if (e.is_some() || prms.is_some()) {
Rc::make_mut(&mut real_set).insert(id.clone());
} else {
Rc::make_mut(&mut real_set).remove(&id);
}
let inner_env = if let Some(de) = de {
let de_val = if let Some(e) = e {
Rc::make_mut(&mut sus_env_stack).insert(id.clone(), Rc::clone(&e));
e
} else {
Rc::make_mut(&mut sus_env_stack).remove(&id);
Rc::new(MarkedForm::SuspendedEnvLookup { name: Some(de.clone()), id: id.clone() })
};
massoc(de, de_val, Rc::clone(se))
@@ -545,6 +548,7 @@ impl DCtx {
Rc::make_mut(&mut sus_prm_stack).insert(id.clone(), Rc::clone(&prms));
prms
} else {
Rc::make_mut(&mut sus_prm_stack).remove(&id);
Rc::new(MarkedForm::SuspendedParamLookup { name: Some(p.clone()), id: id.clone(), cdr_num: 0, car: false })
};
massoc(p, p_val, inner_env)
@@ -820,7 +824,9 @@ pub fn mark(form: Rc<Form>, bctx: BCtx) -> (BCtx, Rc<MarkedForm>) {
// TODO: handle these in the context of paritals
"cons" => Rc::new(MarkedForm::PrimComb { name: "cons".to_owned(), takes_de: false, wrap_level: 1, f: |bctx, dctx, p| {
let h = p.car()?;
//println!("Consing with head {}", h);
let t = p.cdr()?.car()?;
//println!("Consing with tail {}", t);
Ok((bctx, MarkedForm::new_pair(h, t)))
}}),
"car" => Rc::new(MarkedForm::PrimComb { name: "car".to_owned(), takes_de: false, wrap_level: 1, f: |bctx, dctx, p| {
@@ -1043,6 +1049,7 @@ pub fn partial_eval(bctx_in: BCtx, dctx_in: DCtx, form: Rc<MarkedForm>) -> Resul
//println!("{:ident$}Shouldn't go!", "", ident=dctx.ident*4);
return Ok((bctx, x));
}
let forced = force;
force = false;
// TODO: check all these error propegating ?'s, maybe they shouldn't propegate but instead
// reform?
@@ -1101,22 +1108,43 @@ pub fn partial_eval(bctx_in: BCtx, dctx_in: DCtx, form: Rc<MarkedForm>) -> Resul
},
MarkedForm::DeriComb { hash, lookup_name, ids, se, de, id, wrap_level, sequence_params, rest_params, body } => {
// TODO: figure out wrap level, sequence params, etc
//if !se.ids().needs_nothing() {
// // the current env is our new se
// let se = Rc::clone(&dctx.e);
//}
if forced || !se.ids().needs_nothing() {
let old_se_ids = se.ids();
let se = if !se.ids().needs_nothing() {
// the current env is our new se
Rc::clone(&dctx.e)
} else {
Rc::clone(se)
};
// Should this be this, or replacement with e?
let (bctxp, se) = partial_eval(bctx, dctx.clone(), Rc::clone(&se))?;
bctx = bctxp;
if let Ok(inner_dctx) = dctx.copy_push_frame(id.clone(), &se, &de, None, &rest_params, None, body) {
let (bctxp, body) = partial_eval(bctx, inner_dctx, Rc::clone(&body))?;
bctx = bctxp;
next_form = Some(MarkedForm::new_deri_comb(se, lookup_name.clone(), de.clone(), id.clone(), *wrap_level, sequence_params.clone(), rest_params.clone(), body));
let ident_amount = dctx.ident*4;
if let Ok(inner_dctx) = dctx.copy_push_frame(id.clone(), &se, &de, None, &rest_params, None, body) {
//println!("{:ident$}Doing a body deri for {:?} because ({} || {:?}) which is {}", "", lookup_name, forced, old_se_ids, x, ident=ident_amount);
let (bctxp, body) = partial_eval(bctx, inner_dctx, Rc::clone(&body))?;
//println!("{:ident$}result was {}", "", body, ident=ident_amount);
bctx = bctxp;
next_form = Some(MarkedForm::new_deri_comb(se, lookup_name.clone(), de.clone(), id.clone(), *wrap_level, sequence_params.clone(), rest_params.clone(), body));
} else {
return Ok((bctx, x));
}
} else {
// Not 100% sure the rec-hash hit is legitamate
return Ok((bctx, x));
}
// Should this be this, or replacement with e?
//let ident_amount = dctx.ident*4;
//let (bctxp, se) = partial_eval(bctx, dctx.clone(), Rc::clone(&se))?;
//bctx = bctxp;
//if let Ok(inner_dctx) = dctx.copy_push_frame(id.clone(), &se, &de, None, &rest_params, None, body) {
//println!("{:ident$}Doing a body deri for {:?} which is {}", "", lookup_name, x, ident=ident_amount);
//let (bctxp, body) = partial_eval(bctx, inner_dctx, Rc::clone(&body))?;
//bctx = bctxp;
//next_form = Some(MarkedForm::new_deri_comb(se, lookup_name.clone(), de.clone(), id.clone(), *wrap_level, sequence_params.clone(), rest_params.clone(), body));
//} else {
//// Not 100% sure the rec-hash hit is legitamate
//println!("{:ident$}Rec hash stopped deri for {:?} which is {}", "", lookup_name, x, ident=ident_amount);
//return Ok((bctx, x));
//}
},
MarkedForm::SuspendedPair { hash, ids, attempted, car, cdr } => {
let (bctxp, mut car) = partial_eval(bctx, dctx.clone(), Rc::clone(car))?;
@@ -1155,8 +1183,8 @@ pub fn partial_eval(bctx_in: BCtx, dctx_in: DCtx, form: Rc<MarkedForm>) -> Resul
MarkedForm::PrimComb { name, takes_de, wrap_level, f} => {
new_attempted = Attempted::True(if *takes_de { Some(dctx.e.ids()) } else { None });
let ident_amount = dctx.ident*4;
println!("{:ident$}doing a call eval of {}", "", name, ident=ident_amount);
println!("{:ident$}parameters {} are a val because {:?}", "", cdr, cdr.ids(), ident=ident_amount);
//println!("{:ident$}doing a call eval of {}", "", name, ident=ident_amount);
//println!("{:ident$}parameters {} are a val because {:?}", "", cdr, cdr.ids(), ident=ident_amount);
match f(bctx.clone(), dctx.clone(), Rc::clone(&cdr)) {
Ok((bctxp, r)) => {
bctx = bctxp;
@@ -1179,8 +1207,8 @@ pub fn partial_eval(bctx_in: BCtx, dctx_in: DCtx, form: Rc<MarkedForm>) -> Resul
Ok(inner_dctx) => {
let ident_amount = inner_dctx.ident*4;
//println!("{:ident$}doing a call eval of {} in {}", "", body, inner_dctx.e, ident=inner_dctx.ident*4);
println!("{:ident$}doing a call eval of {:?}", "", lookup_name, ident=ident_amount);
println!("{:ident$}with_parameters {}", "", cdr, ident=ident_amount);
//println!("{:ident$}doing a call eval of {:?}", "", lookup_name, ident=ident_amount);
//println!("{:ident$}with_parameters {}", "", cdr, ident=ident_amount);
//Here is where we could do a tail call instead, but there
//would be no recovery back into the call-form...
@@ -1193,7 +1221,7 @@ pub fn partial_eval(bctx_in: BCtx, dctx_in: DCtx, form: Rc<MarkedForm>) -> Resul
next_form = Some(r);
return_ok = true;
} else {
println!("{:ident$}combiner return not ok {}", "", r, ident=ident_amount);
//println!("{:ident$}combiner return not ok {}", "", r, ident=ident_amount);
}
}
Err(msg) => {

3
kr/src/main.rs
View File

@@ -186,7 +186,8 @@ static VMAP: Lazy<String> = Lazy::new(|| {
#[test]
fn vmap_eval_test() { let g = grammar::TermParser::new(); let e = root_env();
// Maybe define in terms of a right fold?
eval_test(true, &g, &e, &format!("{} (vmap (vau de p (+ 1 (car p))) '(1 2 3))", *VMAP), (2, (3, (4, Form::Nil))));
//eval_test(true, &g, &e, &format!("{} (vmap (vau de p (+ 1 (car p))) '(1 2 3))", *VMAP), (2, (3, (4, Form::Nil))));
eval_test(true, &g, &e, &format!("{} (vmap (vau de p (+ 1 (car p))) '(1))", *VMAP), (2, Form::Nil));
}
static WRAP: Lazy<String> = Lazy::new(|| {