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detect approximate relations to return unknown, fix product relations, fix symbolic magic set transformation

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-07-10 17:20:44 +03:00
parent d9e3881560
commit 784455d1fc
18 changed files with 182 additions and 155 deletions
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36
src/api/api_datalog.h
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@ -22,48 +22,14 @@ Revision History:
#include"z3.h"
#include"ast.h"
#include"smt_params.h"
#include"dl_external_relation.h"
#include"dl_decl_plugin.h"
#include"smt_kernel.h"
#include"api_util.h"
#include"dl_context.h"
typedef void (*reduce_app_callback_fptr)(void*, func_decl*, unsigned, expr*const*, expr**);
typedef void (*reduce_assign_callback_fptr)(void*, func_decl*, unsigned, expr*const*, unsigned, expr*const*);
namespace api {
class fixedpoint_context : public datalog::external_relation_context {
void * m_state;
reduce_app_callback_fptr m_reduce_app;
reduce_assign_callback_fptr m_reduce_assign;
datalog::context m_context;
ast_ref_vector m_trail;
public:
fixedpoint_context(ast_manager& m, smt_params& p);
virtual ~fixedpoint_context() {}
family_id get_family_id() const { return const_cast<datalog::context&>(m_context).get_decl_util().get_family_id(); }
void set_state(void* state);
void set_reduce_app(reduce_app_callback_fptr f) { m_reduce_app = f; }
void set_reduce_assign(reduce_assign_callback_fptr f) { m_reduce_assign = f; }
virtual void reduce(func_decl* f, unsigned num_args, expr * const* args, expr_ref& result);
virtual void reduce_assign(func_decl* f, unsigned num_args, expr * const* args, unsigned num_out, expr* const* outs);
datalog::context& ctx() { return m_context; }
void add_rule(expr* rule, symbol const& name);
void update_rule(expr* rule, symbol const& name);
void add_table_fact(func_decl* r, unsigned num_args, unsigned args[]);
std::string get_last_status();
std::string to_string(unsigned num_queries, expr*const* queries);
void cancel() { m_context.cancel(); }
void reset_cancel() { m_context.reset_cancel(); }
unsigned get_num_levels(func_decl* pred);
expr_ref get_cover_delta(int level, func_decl* pred);
void add_cover(int level, func_decl* pred, expr* predicate);
void collect_param_descrs(param_descrs & p) { m_context.collect_params(p); }
void updt_params(params_ref const& p) { m_context.updt_params(p); }
};
class fixedpoint_context;
};