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Make env a class.

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This commit is contained in:
Danila Fedorin 2020-09-15 19:12:12 -07:00
parent 8b897c9636
commit 3fbca52845
1 changed files with 23 additions and 18 deletions
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11
13/env.hpp
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@ -2,7 +2,8 @@
#include <memory> #include <memory>
#include <string> #include <string>
struct env { class env {
public:
virtual ~env() = default; virtual ~env() = default;
virtual int get_offset(const std::string& name) const = 0; virtual int get_offset(const std::string& name) const = 0;
@ -11,10 +12,12 @@ struct env {
using env_ptr = std::shared_ptr<env>; using env_ptr = std::shared_ptr<env>;
struct env_var : public env { class env_var : public env {
private:
std::string name; std::string name;
env_ptr parent; env_ptr parent;
public:
env_var(std::string n, env_ptr p) env_var(std::string n, env_ptr p)
: name(std::move(n)), parent(std::move(p)) {} : name(std::move(n)), parent(std::move(p)) {}
@ -22,10 +25,12 @@ struct env_var : public env {
bool has_variable(const std::string& name) const; bool has_variable(const std::string& name) const;
}; };
struct env_offset : public env { class env_offset : public env {
private:
int offset; int offset;
env_ptr parent; env_ptr parent;
public:
env_offset(int o, env_ptr p) env_offset(int o, env_ptr p)
: offset(o), parent(std::move(p)) {} : offset(o), parent(std::move(p)) {}