//////////////////////////////////////////////////////
//
// LuaConsole:
//
// Parses lines of text, and tells you if you have a valid
// lua expression.
// 
//////////////////////////////////////////////////////

#ifndef LUACONSOLE_HPP
#define LUACONSOLE_HPP

#include <string>
#include "luastack.hpp"

class LuaConsole {
public:
    enum {
        STATE_INCOMPLETE,    // We need more input text.
        STATE_COMPLETE,      // We have a valid lua expression.
        STATE_SLASHCOMMAND,  // We have a slash-command.
        STATE_SYNTAX,        // We have a syntax error.
    };
private:
    lua_State *lua_state_;
    int state_;
    int lines_;
    std::string expression_;
    std::string syntax_;

public:
    LuaConsole();
    ~LuaConsole();

    int state() const { return state_; }
    int lines() const { return lines_; }
    const std::string &expression() const { return expression_; }
    const std::string &syntax() const { return syntax_; }

    void add(std::string line);
    void add_stdin();
    void clear();
};

#endif //LUACONSOLE_HPP