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add basic rewriting to strings

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-05 12:02:33 -08:00
parent c04f75cdbb
commit 75359c580e
10 changed files with 323 additions and 8 deletions
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20
src/ast/ast_smt2_pp.cpp
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@ -363,6 +363,23 @@ format * smt2_pp_environment::pp_arith_literal(app * t, bool decimal, unsigned d
}
}
format * smt2_pp_environment::pp_string_literal(app * t) {
std::string s;
VERIFY (get_sutil().str.is_const(t, s));
std::ostringstream buffer;
buffer << "\"";
for (unsigned i = 0; i < s.length(); ++i) {
if (s[i] == '\"') {
buffer << "\"\"";
}
else {
buffer << s[i];
}
}
buffer << "\"";
return mk_string(get_manager(), buffer.str().c_str());
}
format * smt2_pp_environment::pp_datalog_literal(app * t) {
uint64 v;
VERIFY (get_dlutil().is_numeral(t, v));
@ -578,6 +595,9 @@ class smt2_printer {
if (m_env.get_autil().is_numeral(c) || m_env.get_autil().is_irrational_algebraic_numeral(c)) {
f = m_env.pp_arith_literal(c, m_pp_decimal, m_pp_decimal_precision);
}
else if (m_env.get_sutil().str.is_const(c)) {
f = m_env.pp_string_literal(c);
}
else if (m_env.get_bvutil().is_numeral(c)) {
f = m_env.pp_bv_literal(c, m_pp_bv_lits, m_pp_bv_neg);
}