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tidy

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-08-14 04:26:59 -07:00
parent c4a03dcf7c
commit c0a07f9229
3 changed files with 46 additions and 60 deletions
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98
src/ast/seq_decl_plugin.cpp
View file

@ -1469,43 +1469,33 @@ app* seq_util::re::mk_epsilon(sort* seq_sort) {
/*
Produces compact view of concrete concatenations such as (abcd).
*/
void seq_util::re::pp::compact_helper_seq(std::ostream& out, expr* s) const {
std::ostream& seq_util::re::pp::compact_helper_seq(std::ostream& out, expr* s) const {
SASSERT(re.u.is_seq(s));
if (re.m.is_value(s)) {
SASSERT(s->get_kind() == ast_kind::AST_APP);
if (re.u.str.is_concat(s)) {
expr_ref_vector es(re.m);
re.u.str.get_concat(s, es);
for (unsigned i = 0; i < es.size(); i++)
if (re.u.str.is_unit(es.get(i)))
seq_unit(out, es.get(i));
else
out << mk_pp(es.get(i), re.m);
if (re.u.str.is_concat(s)) {
expr_ref_vector es(re.m);
re.u.str.get_concat(s, es);
for (expr* e : es) {
if (re.u.str.is_unit(e))
seq_unit(out, e);
else
out << mk_pp(e, re.m);
}
else if (re.u.str.is_empty(s))
out << "()";
else
seq_unit(out, s);
}
else if (re.u.str.is_empty(s))
out << "()";
else
out << mk_pp(s, re.m);
seq_unit(out, s);
return out;
}
/*
Produces output such as [a-z] for a range.
*/
void seq_util::re::pp::compact_helper_range(std::ostream& out, expr* s1, expr* s2) const {
std::ostream& seq_util::re::pp::compact_helper_range(std::ostream& out, expr* s1, expr* s2) const {
out << "[";
if (re.u.str.is_unit(s1))
seq_unit(out, s1);
else
out << mk_pp(s1, re.m);
out << "-";
if (re.u.str.is_unit(s2))
seq_unit(out, s2);
else
out << mk_pp(s1, re.m);
out << "]";
seq_unit(out, s1) << "-";
seq_unit(out, s2) << "]";
return out;
}
/*
@ -1519,25 +1509,20 @@ bool seq_util::re::pp::can_skip_parenth(expr* r) const {
/*
Specialize output for a unit sequence converting to visible ASCII characters if possible.
*/
void seq_util::re::pp::seq_unit(std::ostream& out, expr* s) const {
std::ostream& seq_util::re::pp::seq_unit(std::ostream& out, expr* s) const {
expr* e;
if (re.u.str.is_unit(s, e)) {
rational r;
unsigned sz;
if (re.u.bv().is_numeral(e, r, sz) && sz == 8 && r.is_unsigned()) {
unsigned n = r.get_unsigned();
if (32 < n && n < 127)
out << (char)n;
else if (n < 16)
out << "\\x0" << std::hex << n;
else
out << "\\x" << std::hex << n;
}
unsigned n = 0;
if (re.u.str.is_unit(s, e) && re.u.is_const_char(e, n)) {
if (32 < n && n < 127)
out << (char)n;
else if (n < 16)
out << "\\x0" << std::hex << n;
else
out << mk_pp(s, re.m);
out << "\\x" << std::hex << n;
}
else
out << mk_pp(s, re.m);
return out;
}
/*
@ -1551,14 +1536,9 @@ std::ostream& seq_util::re::pp::display(std::ostream& out) const {
else if (re.is_full_seq(e))
return out << ".*";
else if (re.is_to_re(e, s))
{
compact_helper_seq(out, s);
return out;
}
else if (re.is_range(e, s, s2)) {
compact_helper_range(out, s, s2);
return out;
}
return compact_helper_seq(out, s);
else if (re.is_range(e, s, s2))
return compact_helper_range(out, s, s2);
else if (re.is_epsilon(e))
return out << "()";
else if (re.is_empty(e))
@ -1569,40 +1549,46 @@ std::ostream& seq_util::re::pp::display(std::ostream& out) const {
return out << pp(re, r1) << "|" << pp(re, r2);
else if (re.is_intersection(e, r1, r2))
return out << "(" << pp(re, r1) << ")&(" << pp(re, r2) << ")";
else if (re.is_complement(e, r1))
else if (re.is_complement(e, r1)) {
if (can_skip_parenth(r1))
return out << "~" << pp(re, r1);
else
return out << "~(" << pp(re, r1) << ")";
else if (re.is_plus(e, r1))
if (can_skip_parenth(r1))
}
else if (re.is_plus(e, r1)) {
if (can_skip_parenth(r1))
return out << pp(re, r1) << "+";
else
return out << "(" << pp(re, r1) << ")+";
else if (re.is_star(e, r1))
}
else if (re.is_star(e, r1)) {
if (can_skip_parenth(r1))
return out << pp(re, r1) << "*";
else
return out << "(" << pp(re, r1) << ")*";
else if (re.is_loop(e, r1, lo))
}
else if (re.is_loop(e, r1, lo)) {
if (can_skip_parenth(r1))
return out << pp(re, r1) << "{" << lo << ",}";
else
return out << "(" << pp(re, r1) << "){" << lo << ",}";
else if (re.is_loop(e, r1, lo, hi))
}
else if (re.is_loop(e, r1, lo, hi)) {
if (can_skip_parenth(r1))
return out << pp(re, r1) << "{" << lo << "," << hi << "}";
else
return out << "(" << pp(re, r1) << "){" << lo << "," << hi << "}";
}
else if (re.is_diff(e, r1, r2))
return out << "(" << pp(re, r1) << ")\\(" << pp(re, r2) << ")";
else if (re.m.is_ite(e, s, r1, r2))
return out << "if(" << mk_pp(s, re.m) << "," << pp(re, r1) << "," << pp(re, r2) << ")";
else if (re.is_opt(e, r1))
else if (re.is_opt(e, r1)) {
if (can_skip_parenth(r1))
return out << pp(re, r1) << "?";
else
return out << "(" << pp(re, r1) << ")?";
}
else if (re.is_reverse(e, r1))
return out << "reverse(" << pp(re, r1) << ")";
else

6
src/ast/seq_decl_plugin.h
View file

@ -487,9 +487,9 @@ public:
seq_util::re& re;
expr* e;
bool can_skip_parenth(expr* r) const;
void seq_unit(std::ostream& out, expr* s) const;
void compact_helper_seq(std::ostream& out, expr* s) const;
void compact_helper_range(std::ostream& out, expr* s1, expr* s2) const;
std::ostream& seq_unit(std::ostream& out, expr* s) const;
std::ostream& compact_helper_seq(std::ostream& out, expr* s) const;
std::ostream& compact_helper_range(std::ostream& out, expr* s1, expr* s2) const;
public:
pp(seq_util::re& r, expr* e) : re(r), e(e) {}

2
src/model/model_evaluator.cpp
View file

@ -160,7 +160,7 @@ struct evaluator_cfg : public default_rewriter_cfg {
family_id fid = f->get_family_id();
bool _is_uninterp = fid != null_family_id && m.get_plugin(fid)->is_considered_uninterpreted(f);
br_status st = BR_FAILED;
#if 1
#if 0
struct pp {
func_decl* f;
expr_ref& r;