global.h

实现编译器的词法分析

#pragma once

#include "iostream"
#include "fstream"
#include "string.h"

typedef int Token;
#define BSIZE 16
#define SYMMAX 4096
#define KEYMAX 11
#define STRMAX 1024
#define EOF0 0
#define E0F -1

#define NUMBER 275
#define ID 276
#define RELOP 277
#define ADD_OP 278 //+|-
#define MULT_OP 279 //|*|/
#define ASSIGN_OP 280 //:=
#define DECLAER 281// :
#define LT 256 //<
#define LE 257 //<=
#define EQ 258 //=
#define NE 259 //<>
#define GT 260 //>
#define GE 261 //>=
#define BLANK ' '
#define TAB '\t'
#define NEWLINEA 10
#define NEWLINED 13

#define CONST 293
#define VAR 294
#define PROCEDURE 295
#define CALL 296
#define BEGIN 297
#define END 298
#define DO 299
#define WHILE 300
#define IF 301
#define THEN 302
#define ODD 303
#define PROEND 304