symtab.h

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/* symtab.h
 * Symbol table interface for the TINY conpiler
 * (allows only one symbol table)
 *执行与T I N Y应用相符的符号表的杂凑表
 * 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 _SYMTAB_H_
#define _SYMTAB_H_

/* Procedure st_insert inserts line numbers and
 * memory locations into the symbol table
 * loc = memory llocation is inserted only the
 * first time, otherwise ignored
 */
void st_insert(char *name, int lineno, int loc);

/* Function st_lookup returns the memory
 * loaction of a variable or -1 if not found
 */
int st_lookup(char *name);

/* Procedure printSymTab prints a formatted
 * listing of the symbol table contents
 * to the listing file
 */
void printSymTab(FILE * listing);

#endif							/* _SYMTAB_H_ */