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remove unused functions from seq_nielsen

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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot] 2026-04-01 17:16:12 +00:00
parent 9a29a0fc24
commit 4f5c19acfa
2 changed files with 0 additions and 33 deletions
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26
src/smt/seq/seq_nielsen.cpp
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@ -2252,32 +2252,6 @@ namespace seq {
return false;
}
// -----------------------------------------------------------------------
// Helper: find a power token in any str_eq
// -----------------------------------------------------------------------
euf::snode* nielsen_graph::find_power_token(nielsen_node* node) const {
for (str_eq const& eq : node->str_eqs()) {
if (eq.is_trivial())
continue;
if (!eq.m_lhs || !eq.m_rhs)
continue;
euf::snode_vector toks;
eq.m_lhs->collect_tokens(toks);
for (euf::snode* t : toks) {
if (t->is_power())
return t;
}
toks.reset();
eq.m_rhs->collect_tokens(toks);
for (euf::snode* t : toks) {
if (t->is_power())
return t;
}
}
return nullptr;
}
// -----------------------------------------------------------------------
// Helper: find a power token facing a constant (char) head
// Returns true if found, sets power, other_head, eq_out.

7
src/smt/seq/seq_nielsen.h
View file

@ -964,10 +964,6 @@ namespace seq {
// create a fresh variable with a unique name and the given sequence sort
euf::snode* mk_fresh_var(sort* s);
// create a fresh symbolic character: seq.unit(fresh_char_const)
// analogous to ZIPT's SymCharToken creation
euf::snode* mk_fresh_char_var();
// deterministic modifier: var = ε, same-head cancel
bool apply_det_modifier(nielsen_node* node);
@ -1066,9 +1062,6 @@ namespace seq {
bool apply_var_num_unwinding_mem(nielsen_node* node);
// find the first power token in any str_eq at this node
euf::snode* find_power_token(nielsen_node* node) const;
// find a power token facing a constant (char/non-var) token at either end
// of an equation; returns orientation via `fwd` (true=head, false=tail).
bool find_power_vs_non_var(nielsen_node* node, euf::snode*& power, euf::snode*& other_head, str_eq const*& eq_out, bool& fwd) const;