common.h

#pragma once

#include <string>

/**
 * State symbol definitions
 */
#define IDLE_STATE              0
#define START_STATE             1
#define INVALID_STATE           (-2)

/**
 * Use these definitions for easily addressing "human type" matrix
 */
#define A 10
#define B 11
#define C 12
#define D 13
#define E 14
#define F 15
#define G 16
#define H 17
#define I 18
#define J 19
#define K 20
#define R 21
#define M 22
#define N 23
#define O 24
#define P 25

/**
 * Number of states in FSM
 */
#define NUM_STATE               (P+1)

/**
 * Number of supported characters
 */
#define NUM_OF_CHARACTERS       46

/**
* Supported token types.
*/
typedef enum TokenType
{
    T_NO_TYPE,
    T_COMMENT,
    T_ID,
    T_NUM,
    T_REAL,
    T_IF,
    T_THEN,
    T_ELSE,
    T_PLUS,
    T_MINUS,
    T_EQ,
    T_SEMI,
    T_WHITE_SPACE,
    T_ERROR,
    T_EQEQ,
    T_DEC,
    T_END_OF_FILE
};

/**
 * Alignment definitions for nice printing
 */
#define LEFT_ALIGN              20
#define RIGHT_ALIGN             25