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Use lookahead for regex decomposition

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Make snode const
This commit is contained in:
CEisenhofer 2026-06-11 15:34:25 +02:00
parent 671dfedebe
commit be627007e1
22 changed files with 1868 additions and 2066 deletions
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6
src/ast/euf/euf_seq_plugin.cpp
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@ -52,7 +52,7 @@ namespace euf {
}
unsigned enode_concat_hash::operator()(enode* n) const {
snode* sn = sg.find(n->get_expr());
snode const* sn = sg.find(n->get_expr());
if (sn && sn->has_cached_hash())
return sn->assoc_hash();
if (!is_any_concat(n, seq))
@ -70,8 +70,8 @@ namespace euf {
if (!is_any_concat(a, seq) || !is_any_concat(b, seq))
return false;
// fast-path: snode length check (O(1), avoids leaf allocation)
snode* sa = sg.find(a->get_expr());
snode* sb = sg.find(b->get_expr());
snode const* sa = sg.find(a->get_expr());
snode const* sb = sg.find(b->get_expr());
if (sa && sb && sa->length() != sb->length())
return false;
// fast-path: cached associativity hash (O(1))