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bv2char and char2bv with Clemens

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-09-13 16:09:03 +02:00
parent 34f878fb97
commit f13ccf8969
7 changed files with 93 additions and 10 deletions
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31
src/ast/char_decl_plugin.cpp
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@ -48,7 +48,7 @@ func_decl* char_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters,
if (num_parameters != 1)
msg << "incorrect number of parameters passed. Expected 1, received " << num_parameters;
else if (arity != 0)
msg << "incorrect number of arguments passed. Expected 1, received " << arity;
msg << "incorrect number of arguments passed. Expected 0, received " << arity;
else if (!parameters[0].is_int())
msg << "integer parameter expected";
else if (parameters[0].get_int() < 0)
@ -68,6 +68,32 @@ func_decl* char_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters,
return m.mk_func_decl(symbol("char.to_int"), arity, domain, a.mk_int(), func_decl_info(m_family_id, k, 0, nullptr));
}
m.raise_exception(msg.str());
case OP_CHAR_TO_BV:
if (num_parameters != 0)
msg << "incorrect number of parameters passed. Expected 0, received " << num_parameters;
else if (arity != 1)
msg << "incorrect number of arguments passed. Expected one character, received " << arity;
else if (m_char != domain[0])
msg << "expected character sort argument";
else {
bv_util b(m);
unsigned sz = num_bits();
return m.mk_func_decl(symbol("char.to_bv"), arity, domain, b.mk_sort(sz), func_decl_info(m_family_id, k, 0, nullptr));
}
m.raise_exception(msg.str());
case OP_CHAR_FROM_BV: {
bv_util b(m);
if (num_parameters != 0)
msg << "incorrect number of parameters passed. Expected 0, received " << num_parameters;
else if (arity != 1)
msg << "incorrect number of arguments passed. Expected one character, received " << arity;
else if (!b.is_bv_sort(domain[0]) || b.get_bv_size(domain[0]) != num_bits())
msg << "expected bit-vector sort argument with " << num_bits();
else {
m.mk_func_decl(symbol("char.to_bv"), arity, domain, m_char, func_decl_info(m_family_id, k, 0, nullptr));
}
m.raise_exception(msg.str());
}
case OP_CHAR_IS_DIGIT:
if (num_parameters != 0)
msg << "incorrect number of parameters passed. Expected 0, received " << num_parameters;
@ -77,6 +103,7 @@ func_decl* char_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters,
return m.mk_func_decl(symbol("char.is_digit"), arity, domain, m.mk_bool_sort(), func_decl_info(m_family_id, k, 0, nullptr));
}
m.raise_exception(msg.str());
default:
UNREACHABLE();
}
@ -94,6 +121,8 @@ void char_decl_plugin::get_op_names(svector<builtin_name>& op_names, symbol cons
op_names.push_back(builtin_name("Char", OP_CHAR_CONST));
op_names.push_back(builtin_name("char.to_int", OP_CHAR_TO_INT));
op_names.push_back(builtin_name("char.is_digit", OP_CHAR_IS_DIGIT));
op_names.push_back(builtin_name("char.to_bv", OP_CHAR_TO_BV));
op_names.push_back(builtin_name("char.from_bv", OP_CHAR_FROM_BV));
}
void char_decl_plugin::get_sort_names(svector<builtin_name>& sort_names, symbol const& logic) {