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/** \file misc/scoped-map.hxx
** \brief Implementation of misc::scoped_map.
*/
#include <misc/scoped-map.hh>
#pragma once
#include <sstream>
#include <stdexcept>
#include <type_traits>
#include <ranges>
#include <misc/algorithm.hh>
#include <misc/contract.hh>
#include <misc/indent.hh>
namespace misc
{
// FIXME DONE: Some code was deleted here.
template <typename Key, typename Data>
void scoped_map<Key, Data>::put(const Key& key, const Data& value)
{
scopes_.back().insert_or_assign(key, value);
}
template <typename Key, typename Data>
Data scoped_map<Key, Data>::get(const Key& key) const
requires(std::is_pointer_v<Data>)
{
if (auto data = scopes_.back().find(key); data != scopes_.back().end())
return data->second;
return nullptr;
}
template <typename Key, typename Data>
Data scoped_map<Key, Data>::get(const Key& key) const
requires(!std::is_pointer_v<Data>)
{
if (auto data = scopes_.back().find(key); data != scopes_.back().end())
return data->second;
throw std::range_error("Key is not in scope.");
}
template <typename Key, typename Data>
std::ostream& scoped_map<Key, Data>::dump(std::ostream& ostr) const
{
ostr << "Printing\n";
const char* sep = "-------------------------\n";
int depth = 0;
for (auto scope : scopes_)
{
ostr << sep << "Scope " << depth++ << incendl;
for (auto kvp : scope)
{
ostr << kvp.first << " -> " << kvp.second << iendl;
}
ostr << decendl << sep;
}
ostr << "endprint\n";
return ostr;
}
template <typename Key, typename Data>
void scoped_map<Key, Data>::scope_begin()
{
std::map<Key, Data> new_scope;
for (auto kvp : scopes_.back())
{
new_scope.insert_or_assign(kvp.first, kvp.second);
}
scopes_.push_back(new_scope);
}
template <typename Key, typename Data> void scoped_map<Key, Data>::scope_end()
{
scopes_.pop_back();
}
template <typename Key, typename Data>
inline std::ostream& operator<<(std::ostream& ostr,
const scoped_map<Key, Data>& tbl)
{
return tbl.dump(ostr);
}
} // namespace misc
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