#ifndef __SCANNERS_S_EXPRESSION_PARSER_H
#define __SCANNERS_S_EXPRESSION_PARSER_H
/*
5D programming language
Copyright (C) 2011  Danny Milosavljevic
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#include <set>
#include "Scanners/Scanner"
#include "Values/Values"

namespace Scanners {

class SExpressionParser {
private:
	Scanner* scanner;
	Values::NodeT parse_S_list_body(void); // Cons
	inline Values::NodeT parse_value(void) {
		return(scanner->consume());
	}
public:
	SExpressionParser(void);
	Values::NodeT parse(Values::NodeT /*symbol*/ terminator);
	Values::NodeT parse_S_list(bool B_consume_closing_brace); // Cons
	void parse_closing_brace(void);
	Values::NodeT parse_S_Expression(void);
public:
	void push(FILE* input_file, int line_number, const char* input_name);
	void pop(void);
	inline bool EOFP(void) const {
		return(scanner->EOFP());
	}
	int getPosition(void) const;
};

bool macro_operator_P(Values::NodeT operator_);

}; /* end namespace */

#endif /* ndef __SCANNERS_S_EXPRESSION_PARSER_H */