#include "Node.hpp"

namespace jk
{
  /*explicit*/ Node::Node(NodeType type,
                          std::string const& repr,
                          Loc const& loc)
    : m_type { type }
    , m_repr { repr }
    , m_loc { loc }
  {
  }

  /*virtual*/ Node::~Node()
  {
  }

  void Node::add_child(std::shared_ptr<Node> child)
  {
    m_children.push_back(child);
  }

  std::weak_ptr<Node> Node::child(size_t index) const
  {
    assert(index < size());
    return m_children[index];
  }

  std::string Node::string() const
  {
    std::stringstream ss;
    ss << std::string(NodeTypeStr[m_type])
      .substr(std::string("NODE_").size());

    if (m_repr.empty() == false)
      {
        ss << "[" << m_repr << "]";
      }

    if (size() > 0)
      {
        ss << "(";

        std::string sep;

        for (auto child: m_children)
          {
            ss << sep << child->string();
            sep = ",";
          }

        ss << ")";
      }

    return ss.str();
  }
}