#ifndef GRAM_H
#define GRAM_H

#include <string>
#include <vector>
#include <map>

using namespace std;
typedef vector<string> strings;

enum gram_type { TYPE_INT,TYPE_LIST};
struct gram_t {
	strings res;
	string var;
	string s;
	int val;
	gram_type type;
	/*~PROTOBEG~ gram_t */
public:
	gram_t concat (const gram_t&v)const;
	gram_t func (const string&name, gram_t *arg);
	gram_t (const gram_t&c);
	gram_t (void);
	gram_t operator & (const gram_t&v)const;
	gram_t operator + (const gram_t&v)const;
	gram_t operator - (const gram_t&v)const;
	void operator = (const gram_t&c);
	gram_t operator ^ (const gram_t&v)const;
	void print (void);
	/*~PROTOEND~ gram_t */
};

void gram_setvar (const char *v, const strings &vals);
void gram_setvar (const char *v, const char *val);
int gram_getvars(strings &vars);
gram_t *gram_getvar (const char *var);
gram_t *gram_eval (const char *line, string &error);

#endif