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re-organize muz_qe into separate units

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-08-28 21:20:24 -07:00
parent 4597872be8
commit 0d56499e2d
131 changed files with 994 additions and 20069 deletions
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64
src/muz/dl_mk_unfold.cpp
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@ -1,64 +0,0 @@
/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
dl_mk_unfold.cpp
Abstract:
Unfold rules once, return the unfolded set of rules.
Author:
Nikolaj Bjorner (nbjorner) 2012-10-15
Revision History:
--*/
#include "dl_mk_unfold.h"
namespace datalog {
mk_unfold::mk_unfold(context& ctx):
rule_transformer::plugin(100, false),
m_ctx(ctx),
m(ctx.get_manager()),
rm(ctx.get_rule_manager()),
m_unify(ctx)
{}
void mk_unfold::expand_tail(rule& r, unsigned tail_idx, rule_set const& src, rule_set& dst) {
SASSERT(tail_idx <= r.get_uninterpreted_tail_size());
if (tail_idx == r.get_uninterpreted_tail_size()) {
dst.add_rule(&r);
}
else {
func_decl* p = r.get_decl(tail_idx);
rule_vector const& p_rules = src.get_predicate_rules(p);
rule_ref new_rule(rm);
for (unsigned i = 0; i < p_rules.size(); ++i) {
rule const& r2 = *p_rules[i];
if (m_unify.unify_rules(r, tail_idx, r2) &&
m_unify.apply(r, tail_idx, r2, new_rule)) {
expr_ref_vector s1 = m_unify.get_rule_subst(r, true);
expr_ref_vector s2 = m_unify.get_rule_subst(r2, false);
resolve_rule(r, r2, tail_idx, s1, s2, *new_rule.get());
expand_tail(*new_rule.get(), tail_idx+r2.get_uninterpreted_tail_size(), src, dst);
}
}
}
}
rule_set * mk_unfold::operator()(rule_set const & source) {
rule_set* rules = alloc(rule_set, m_ctx);
rule_set::iterator it = source.begin(), end = source.end();
for (; it != end; ++it) {
expand_tail(**it, 0, source, *rules);
}
rules->inherit_predicates(source);
return rules;
}
};