scan.h

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/* scan.h
 * The scanner interface for TINY compiler
 *
 * Compiler Construction: Principles and Practice
 * Kenneth C. Louden
 * 编译原理及实践
 * (美) Kenneth C. Louden 著
 * 冯博琴 冯岚 等译
 * 机械工业出版社 IBSN 7-111-07703-2
 * 源代码：zwf编辑并修订
 * Code Modify: Larry Li 2001.11
 */
#ifndef _SCAN_H_
#define _SCAN_H_

/* MAXTOKENLEN is the maximum size of a token */
#define MAXTOKENLEN 40

/* tokenString array stores the lexeme of each token */
extern char tokenString[MAXTOKENLEN + 1];

/* Function getToken return the
 * next token in source file
 */
TokenType getToken(void);

#endif							/* _SCAN_H_ */