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FPA theory additions

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Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2014-06-12 21:16:11 +01:00
parent 8b8cee7f64
commit 4a915f6528
2 changed files with 139 additions and 52 deletions
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28
src/smt/theory_fpa.h
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@ -20,17 +20,40 @@ Revision History:
#define _THEORY_FPA_H_
#include"smt_theory.h"
#include"trail.h"
#include"fpa2bv_converter.h"
#include"fpa2bv_rewriter.h"
namespace smt {
class theory_fpa : public theory {
typedef trail_stack<theory_fpa> th_trail_stack;
public:
class atom {
public:
virtual ~atom() {}
};
struct pred_atom : public atom {
literal m_var;
literal m_def;
pred_atom(literal v, literal d) : m_var(v), m_def(d) {}
virtual ~pred_atom() {}
};
typedef ptr_vector<pred_atom> bool_var2atom;
void insert_bv2a(bool_var bv, pred_atom * a) { m_bool_var2atom.setx(bv, a, 0); }
void erase_bv2a(bool_var bv) { m_bool_var2atom[bv] = 0; }
pred_atom * get_bv2a(bool_var bv) const { return m_bool_var2atom.get(bv, 0); }
region & get_region() { return m_trail_stack.get_region(); }
protected:
fpa2bv_converter m_converter;
fpa2bv_rewriter m_rw;
expr_map m_trans_map;
th_trail_stack m_trail_stack;
bool_var2atom m_bool_var2atom;
virtual final_check_status final_check_eh() { return FC_DONE; }
virtual bool internalize_atom(app * atom, bool gate_ctx);
@ -40,6 +63,7 @@ namespace smt {
virtual void new_diseq_eh(theory_var, theory_var);
virtual void push_scope_eh();
virtual void pop_scope_eh(unsigned num_scopes);
virtual void reset_eh();
virtual theory* mk_fresh(context*) { return alloc(theory_fpa, get_manager()); }
virtual char const * get_name() const { return "fpa"; }
@ -47,6 +71,7 @@ namespace smt {
void assign_eh(bool_var v, bool is_true);
virtual void relevant_eh(app * n);
public:
theory_fpa(ast_manager& m);
virtual ~theory_fpa();
@ -67,4 +92,3 @@ namespace smt {
};
#endif /* _THEORY_FPA_H_ */