/*
  Copyright (c) 2015, Matthias Schiffer <mschiffer@universe-factory.net>
  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

    1. Redistributions of source code must retain the above copyright notice,
       this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright notice,
       this list of conditions and the following disclaimer in the documentation
       and/or other materials provided with the distribution.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/


#pragma once

#include "item.hpp"

#include <map>


namespace solar {

class parser_state_t {
private:
	std::vector<std::tuple<item_t, std::vector<std::string>, std::string>> rules;
	std::map<std::string, std::string> nonterm_types;
	std::map<symbol_t, std::pair<std::string, std::string>> term_types;

	item_t current;
	std::vector<std::string> current_vars;
	std::string current_var;
	std::string current_type;

public:
	parser_state_t() : current("") {}

	const std::vector<std::tuple<item_t, std::vector<std::string>, std::string>> & get_rules() const {
		return rules;
	}

	const std::map<std::string, std::string> & get_nonterm_types() const {
		return nonterm_types;
	}

	const std::map<symbol_t, std::pair<std::string, std::string>> & get_term_types() const {
		return term_types;
	}

	void new_rule(const char *nonterm);
	void add_rule_nonterminal(const char *nonterm);
	void add_rule_terminal(const char *term);
	void add_rule_terminal(unsigned char term);
	void add_rule(const std::string &action = "");
	void add_rule_var(const char *var);

	void add_type_nonterminal(const char *nonterm);
	void add_type_terminal(const char *term);
	void set_type_nonterminal(const char *type);
	void set_type_terminal(const char *type);
	void set_type_terminal_name(const char *name);
};

}