#ifndef __PARSER_H__
#define __PARSER_H__

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "matrix.h"
#define T_BAD 0
#define T_TAG 1
#define T_MAT 2
#define T_INT 3
#define S_START 10
#define S_READ_MAT 20
#define S_READ_TAG 30
#define S_ERROR 40

#define E_EXPECTED_INT 0x10000000
#define E_EXPECTED_ELEMENT 0x20000000
#define E_AB_BEFORE_MNK 0x30000000

/* From the source file, read matricies.
       Input: source (the file to be read.)
       Output: A (Matrix A is placed in this struct pointer)
               B (Matrix B is placed in this struct pointer)
               returns 0 for success, any other value for error.
*/
int    parse_input(char *source, matrix_t **A, matrix_t **B);

/* Identify the type of the token, returning one of
	T_INT - integer
	T_TAG - M, N, K
	T_MAT - A, B
	T_BAD - anything else
*/
int    type_of    (char *token);

/* Get the value of the token */
int    value_of   (char *token, int type);


#endif