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fix #6792, add scaffolding for type variables

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-07-07 17:22:56 -07:00
parent f5c069f899
commit 5806869ae4
8 changed files with 96 additions and 14 deletions
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4
src/ast/ast.h
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@ -85,6 +85,7 @@ const family_id user_sort_family_id = 4;
const family_id last_builtin_family_id = 4;
const family_id arith_family_id = 5;
const family_id poly_family_id = 6;
// -----------------------------------
//
@ -622,6 +623,7 @@ public:
sort_size const & get_num_elements() const { return get_info()->get_num_elements(); }
void set_num_elements(sort_size const& s) { get_info()->set_num_elements(s); }
unsigned get_size() const { return get_obj_size(); }
bool is_type_var() const { return get_family_id() == poly_family_id; }
};
// -----------------------------------
@ -1709,6 +1711,8 @@ public:
sort * mk_uninterpreted_sort(symbol const & name) { return mk_uninterpreted_sort(name, 0, nullptr); }
sort * mk_type_var(symbol const& name);
sort * mk_sort(symbol const & name, sort_info const & info) {
if (info.get_family_id() == null_family_id) {
return mk_uninterpreted_sort(name);