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#5742

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expose access to constructors/accessors/recognizers given datatype sort
This commit is contained in:
Nikolaj Bjorner 2021-12-28 11:00:34 -08:00
parent 28bce8f09c
commit 95e26aaad9
1 changed files with 42 additions and 0 deletions
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42
src/api/c++/z3++.h
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@ -701,6 +701,9 @@ namespace z3 {
sort array_range() const { assert(is_array()); Z3_sort s = Z3_get_array_sort_range(ctx(), *this); check_error(); return sort(ctx(), s); }
friend std::ostream & operator<<(std::ostream & out, sort const & s) { return out << Z3_sort_to_string(s.ctx(), Z3_sort(s.m_ast)); }
func_decl_vector constructors();
func_decl_vector recognizers();
};
/**
@ -741,6 +744,9 @@ namespace z3 {
expr operator()(expr const & a1, expr const & a2, expr const & a3) const;
expr operator()(expr const & a1, expr const & a2, expr const & a3, expr const & a4) const;
expr operator()(expr const & a1, expr const & a2, expr const & a3, expr const & a4, expr const & a5) const;
func_decl_vector accessors();
};
/**
@ -3863,6 +3869,42 @@ namespace z3 {
return expr_vector(*this, r);
}
inline func_decl_vector sort::constructors() {
assert(is_datatype());
func_decl_vector cs(ctx());
unsigned n = Z3_get_datatype_sort_num_constructors(ctx(), *this);
for (unsigned i = 0; i < n; ++i)
cs.push_back(func_decl(ctx(), Z3_get_datatype_sort_constructor(ctx(), *this, i)));
return cs;
}
inline func_decl_vector sort::recognizers() {
assert(is_datatype());
func_decl_vector rs(ctx());
unsigned n = Z3_get_datatype_sort_num_constructors(ctx(), *this);
for (unsigned i = 0; i < n; ++i)
rs.push_back(func_decl(ctx(), Z3_get_datatype_sort_recognizer(ctx(), *this, i)));
return rs;
}
inline func_decl_vector func_decl::accessors() {
sort s = range();
assert(s.is_datatype());
unsigned n = Z3_get_datatype_sort_num_constructors(ctx(), s);
unsigned idx = 0;
for (; idx < n; ++idx) {
func_decl f(ctx(), Z3_get_datatype_sort_constructor(ctx(), s, idx));
if (id() == f.id())
break;
}
assert(idx < n);
n = arity();
func_decl_vector as(ctx());
for (unsigned i = 0; i < n; ++i)
as.push_back(func_decl(ctx(), Z3_get_datatype_sort_constructor_accessor(ctx(), s, idx, i)));
return as;
}
inline expr expr::substitute(expr_vector const& src, expr_vector const& dst) {
assert(src.size() == dst.size());