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Make type_env a class.

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Danila Fedorin 1 year ago
parent
commit
ba418d357f
  1. 2
      code/compiler/13/compiler.cpp
  2. 4
      code/compiler/13/type_env.cpp
  3. 69
      code/compiler/13/type_env.hpp

2
code/compiler/13/compiler.cpp

@ -69,7 +69,7 @@ void compiler::translate() {
}
for(auto& defn : global_defs.defs_defn) {
auto& function = defn.second->into_global(global_scp);
function.body->env->parent->set_mangled_name(defn.first, function.name);
function.body->env->get_parent()->set_mangled_name(defn.first, function.name);
}
}

4
code/compiler/13/type_env.cpp

@ -2,6 +2,10 @@
#include "type.hpp"
#include "error.hpp"
type_env_ptr type_env::get_parent() {
return parent;
}
void type_env::find_free(const type_mgr& mgr, std::set<std::string>& into) const {
if(parent != nullptr) parent->find_free(mgr, into);
for(auto& binding : names) {

69
code/compiler/13/type_env.hpp

@ -10,39 +10,42 @@ using type_env_ptr = std::shared_ptr<type_env>;
enum class visibility { global,local };
struct type_env {
struct variable_data {
type_scheme_ptr type;
visibility vis;
std::string mangled_name;
variable_data()
: variable_data(nullptr, visibility::local, "") {}
variable_data(type_scheme_ptr t, visibility v, std::string n)
: type(std::move(t)), vis(v), mangled_name(std::move(n)) {}
};
type_env_ptr parent;
std::map<std::string, variable_data> names;
std::map<std::string, type_ptr> type_names;
type_env(type_env_ptr p) : parent(std::move(p)) {}
type_env() : type_env(nullptr) {}
void find_free(const type_mgr& mgr, std::set<std::string>& into) const;
void find_free_except(const type_mgr& mgr, const group& avoid,
std::set<std::string>& into) const;
type_scheme_ptr lookup(const std::string& name) const;
bool is_global(const std::string& name) const;
void set_mangled_name(const std::string& name, const std::string& mangled);
const std::string& get_mangled_name(const std::string& name) const;
type_ptr lookup_type(const std::string& name) const;
void bind(const std::string& name, type_ptr t,
visibility v = visibility::local);
void bind(const std::string& name, type_scheme_ptr t,
visibility v = visibility::local);
void bind_type(const std::string& type_name, type_ptr t);
void generalize(const std::string& name, const group& grp, type_mgr& mgr);
class type_env {
private:
struct variable_data {
type_scheme_ptr type;
visibility vis;
std::string mangled_name;
variable_data()
: variable_data(nullptr, visibility::local, "") {}
variable_data(type_scheme_ptr t, visibility v, std::string n)
: type(std::move(t)), vis(v), mangled_name(std::move(n)) {}
};
type_env_ptr parent;
std::map<std::string, variable_data> names;
std::map<std::string, type_ptr> type_names;
public:
type_env(type_env_ptr p) : parent(std::move(p)) {}
type_env() : type_env(nullptr) {}
type_env_ptr get_parent();
void find_free(const type_mgr& mgr, std::set<std::string>& into) const;
void find_free_except(const type_mgr& mgr, const group& avoid,
std::set<std::string>& into) const;
type_scheme_ptr lookup(const std::string& name) const;
bool is_global(const std::string& name) const;
void set_mangled_name(const std::string& name, const std::string& mangled);
const std::string& get_mangled_name(const std::string& name) const;
type_ptr lookup_type(const std::string& name) const;
void bind(const std::string& name, type_ptr t,
visibility v = visibility::local);
void bind(const std::string& name, type_scheme_ptr t,
visibility v = visibility::local);
void bind_type(const std::string& type_name, type_ptr t);
void generalize(const std::string& name, const group& grp, type_mgr& mgr);
};

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