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add match expression construct to SMT-LIB2.6 frontend

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-09-19 19:39:02 -07:00
parent 43e47271f7
commit caa02c3c02
6 changed files with 203 additions and 36 deletions

View file

@ -202,7 +202,7 @@ func_decl * func_decls::find(unsigned arity, sort * const * domain, sort * range
if (f->get_arity() != arity)
continue;
unsigned i = 0;
for (i = 0; i < arity; i++) {
for (i = 0; domain && i < arity; i++) {
if (f->get_domain(i) != domain[i])
break;
}
@ -937,7 +937,7 @@ static builtin_decl const & peek_builtin_decl(builtin_decl const & first, family
func_decl * cmd_context::find_func_decl(symbol const & s, unsigned num_indices, unsigned const * indices,
unsigned arity, sort * const * domain, sort * range) const {
builtin_decl d;
if (m_builtin_decls.find(s, d)) {
if (domain && m_builtin_decls.find(s, d)) {
family_id fid = d.m_fid;
decl_kind k = d.m_decl;
// Hack: if d.m_next != 0, we use domain[0] (if available) to decide which plugin we use.
@ -961,7 +961,7 @@ func_decl * cmd_context::find_func_decl(symbol const & s, unsigned num_indices,
return f;
}
if (contains_macro(s, arity, domain))
if (domain && contains_macro(s, arity, domain))
throw cmd_exception("invalid function declaration reference, named expressions (aka macros) cannot be referenced ", s);
if (num_indices > 0)