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make params.p use a bitvec

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Folkert 2022-05-06 22:06:16 +02:00
parent 3e38dc80f5
commit a2b04d35f7
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1 changed files with 11 additions and 11 deletions
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22
compiler/can/src/reference_matrix.rs
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@ -183,10 +183,10 @@ enum Preorder {
struct Params {
preorders: Vec<Preorder>,
c: usize,
p: Vec<u32>,
p: BitVec,
s: Vec<u32>,
scc: Sccs,
scca: Vec<u32>,
scca: BitVec,
}
impl Params {
@ -201,12 +201,12 @@ impl Params {
preorders,
c: 0,
s: Vec::new(),
p: Vec::new(),
p: BitVec::repeat(false, length),
scc: Sccs {
matrix: ReferenceMatrix::new(length),
components: 0,
},
scca: Vec::new(),
scca: BitVec::repeat(false, length),
}
}
}
@ -217,19 +217,19 @@ fn recurse_onto(length: usize, bitvec: &BitVec, v: usize, params: &mut Params) {
params.c += 1;
params.s.push(v as u32);
params.p.push(v as u32);
params.p.set(v, true);
for w in bitvec[v * length..][..length].iter_ones() {
if !params.scca.contains(&(w as u32)) {
if !params.scca[w] {
match params.preorders[w] {
Preorder::Filled(pw) => loop {
let index = *params.p.last().unwrap();
let index = params.p.last_one().unwrap();
match params.preorders[index as usize] {
Preorder::Empty => unreachable!(),
Preorder::Filled(current) => {
if current > pw {
params.p.pop();
params.p.set(index, false);
} else {
break;
}
@ -243,15 +243,15 @@ fn recurse_onto(length: usize, bitvec: &BitVec, v: usize, params: &mut Params) {
}
}
if params.p.last() == Some(&(v as u32)) {
params.p.pop();
if params.p.last_one() == Some(v) {
params.p.set(v, false);
while let Some(node) = params.s.pop() {
params
.scc
.matrix
.set_row_col(params.scc.components, node as usize, true);
params.scca.push(node);
params.scca.set(node as usize, true);
params.preorders[node as usize] = Preorder::Removed;
if node as usize == v {
break;