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Datalog improvements:

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- add cancel status
 - display statistics on cancel
(by me & Nikolaj)

Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
This commit is contained in:
Nuno Lopes 2013-03-27 10:38:50 -07:00
parent 25a41d48dc
commit 1cece1c1fb
10 changed files with 142 additions and 77 deletions
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14
src/muz_qe/rel_context.h
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@ -22,6 +22,7 @@ Revision History:
#define _REL_CONTEXT_H_
#include "ast.h"
#include "dl_relation_manager.h"
#include "dl_instruction.h"
#include "lbool.h"
namespace datalog {
@ -35,10 +36,11 @@ namespace datalog {
ast_manager& m;
relation_manager m_rmanager;
expr_ref m_answer;
volatile bool m_cancel;
relation_base * m_last_result_relation;
decl_set m_output_preds;
fact_vector m_table_facts;
execution_context m_ectx;
instruction_block m_code;
void reset_negated_tables();
@ -53,8 +55,8 @@ namespace datalog {
relation_manager & get_rmanager();
const relation_manager & get_rmanager() const;
ast_manager& get_manager() { return m; }
context& get_context() { return m_context; }
ast_manager& get_manager() const { return m; }
context& get_context() const { return m_context; }
relation_base & get_relation(func_decl * pred);
relation_base * try_get_relation(func_decl * pred) const;
expr_ref get_last_answer() { return m_answer; }
@ -70,10 +72,6 @@ namespace datalog {
void inherit_predicate_kind(func_decl* new_pred, func_decl* orig_pred);
void cancel() { m_cancel = true; }
void cleanup() { m_cancel = false; }
/**
\brief Restrict the set of used predicates to \c res.
@ -107,6 +105,8 @@ namespace datalog {
void display_output_facts(std::ostream & out) const;
void display_facts(std::ostream & out) const;
void display_profile(std::ostream& out) const;
lbool saturate();
};