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adding ematching engine, fixing seq_unicode

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This commit is contained in:
Nikolaj Bjorner 2021-01-22 17:10:45 -08:00
parent db17ae03c6
commit 680b185872
10 changed files with 4147 additions and 20 deletions
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15
src/ast/euf/euf_enode.h
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@ -18,6 +18,7 @@ Author:
#include "util/vector.h"
#include "util/id_var_list.h"
#include "util/lbool.h"
#include "util/approx_set.h"
#include "ast/ast.h"
#include "ast/euf/euf_justification.h"
@ -60,6 +61,9 @@ namespace euf {
th_var_list m_th_vars;
justification m_justification;
unsigned m_num_args{ 0 };
signed char m_lbl_hash { -1 }; // It is different from -1, if enode is used in a pattern
approx_set m_lbls;
approx_set m_plbls;
enode* m_args[0];
friend class enode_args;
@ -138,6 +142,7 @@ namespace euf {
lbool value() const { return m_value; }
unsigned bool_var() const { return m_bool_var; }
bool is_cgr() const { return this == m_cg; }
enode* get_cg() const { return m_cg; }
bool commutative() const { return m_commutative; }
void mark_interpreted() { SASSERT(num_args() == 0); m_interpreted = true; }
bool merge_enabled() const { return m_merge_enabled; }
@ -183,6 +188,16 @@ namespace euf {
unsigned get_expr_id() const { return m_expr->get_id(); }
unsigned get_root_id() const { return m_root->m_expr->get_id(); }
bool children_are_roots() const;
enode* get_next() const { return m_next; }
bool has_lbl_hash() const { UNREACHABLE(); return false; } // TODO
unsigned char get_lbl_hash() const { UNREACHABLE(); return 0; } // TOD0
void set_lbl_hash(egraph& e) { UNREACHABLE(); }
approx_set & get_lbls() { return m_lbls; }
approx_set & get_plbls() { return m_plbls; }
const approx_set & get_lbls() const { return m_lbls; }
const approx_set & get_plbls() const { return m_plbls; }
theory_var get_th_var(theory_id id) const { return m_th_vars.find(id); }
theory_var get_closest_th_var(theory_id id) const;