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Update sgraph and seq_plugin: egraph ref, hash matrix, subst cache, sgraph pointer

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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot] 2026-03-02 21:14:34 +00:00
parent 1885753690
commit cfea2db8bf
8 changed files with 174 additions and 42 deletions
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10
src/ast/euf/euf_sgraph.h
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@ -82,14 +82,17 @@ namespace euf {
ast_manager& m;
seq_util m_seq;
seq_rewriter m_rewriter;
egraph m_egraph;
egraph& m_egraph;
region m_region;
snode_vector m_nodes;
expr_ref_vector m_exprs; // pin expressions
sort_ref m_str_sort; // cached string sort
unsigned_vector m_scopes;
unsigned m_num_scopes = 0;
stats m_stats;
bool m_add_plugin; // whether sgraph created the seq_plugin
// tracks allocated subst caches for cleanup
ptr_vector<snode_subst_cache> m_subst_caches;
// maps expression id to snode
ptr_vector<snode> m_expr2snode;
@ -97,10 +100,11 @@ namespace euf {
snode* mk_snode(expr* e, snode_kind k, unsigned num_args, snode* const* args);
snode_kind classify(expr* e) const;
void compute_metadata(snode* n);
void compute_hash_matrix(snode* n);
void collect_re_predicates(snode* re, expr_ref_vector& preds);
public:
sgraph(ast_manager& m);
sgraph(ast_manager& m, egraph& eg, bool add_plugin = true);
~sgraph();
ast_manager& get_manager() const { return m; }