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Add 'internal' types.

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This commit is contained in:
Danila Fedorin
2020-09-09 18:08:38 -07:00
parent 92a9ec2021
commit c1a8dc4557
3 changed files with 22 additions and 21 deletions
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14
13/type.hpp
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@@ -13,7 +13,6 @@ struct type {
virtual ~type() = default;
virtual void print(const type_mgr& mgr, std::ostream& to) const = 0;
virtual bool is_arrow(const type_mgr& mgr) const;
};
using type_ptr = std::shared_ptr<type>;
@@ -37,7 +36,6 @@ struct type_var : public type {
: name(std::move(n)) {}
void print(const type_mgr& mgr, std::ostream& to) const;
bool is_arrow(const type_mgr& mgr) const;
};
struct type_base : public type {
@@ -48,6 +46,17 @@ struct type_base : public type {
: name(std::move(n)), arity(a) {}
void print(const type_mgr& mgr, std::ostream& to) const;
virtual bool is_internal() const { return false; }
};
struct type_internal : public type_base {
type_internal(std::string n, int32_t a = 0)
: type_base(std::move(n), a) {}
void print(const type_mgr& mgr, std::ostream& to) const;
bool is_internal() const { return true; }
};
struct type_data : public type_base {
@@ -69,7 +78,6 @@ struct type_arr : public type {
: left(std::move(l)), right(std::move(r)) {}
void print(const type_mgr& mgr, std::ostream& to) const;
bool is_arrow(const type_mgr& mgr) const;
};
struct type_app : public type {