#include "elna/source/symboltable.hpp"

namespace elna::source
{
    name_collision::name_collision(const std::string& name, const position current, const position previous)
        : error(current), name(name), previous(previous)
    {
    }

    std::string name_collision::what() const
    {
        return "Name '" + name + "' was already defined";
    }

    std::shared_ptr<info> symbol_table::lookup(const std::string& name)
    {
        auto entry = entries.find(name);
        if (entry == entries.cend())
        {
            return nullptr;
        }
        else
        {
            return entry->second;
        }
    }

    void symbol_table::enter(const std::string& name, std::shared_ptr<info> entry)
    {
        entries.insert_or_assign(name, entry);
    }

    info::~info()
    {
    }

    info::info()
    {
    }

    constant_info::constant_info(const std::int32_t value)
        : m_value(value)
    {
    }

    constant_info::~constant_info()
    {
    }

    std::int32_t constant_info::value() const noexcept
    {
        return m_value;
    }

    variable_info::variable_info(std::size_t offset)
        : m_offset(offset)
    {
    }

    variable_info::~variable_info()
    {
    }

    std::size_t variable_info::offset() const noexcept
    {
        return m_offset;
    }

    void name_analysis_visitor::visit(declaration *declaration)
    {
    }

    void name_analysis_visitor::visit(definition *definition)
    {
    }

    void name_analysis_visitor::visit(bang_statement *statement)
    {
    }

    void name_analysis_visitor::visit(compound_statement *statement)
    {
    }

    void name_analysis_visitor::visit(assignment_statement *statement)
    {
    }

    void name_analysis_visitor::visit(block *block)
    {
    }

    void name_analysis_visitor::visit(integer_literal *number)
    {
    }

    void name_analysis_visitor::visit(variable_expression *variable)
    {
    }

    void name_analysis_visitor::visit(binary_expression *expression)
    {
    }
}