1 /* 2 * Mach Operating System 3 * Copyright (c) 1991,1990 Carnegie Mellon University 4 * All Rights Reserved. 5 * 6 * Permission to use, copy, modify and distribute this software and its 7 * documentation is hereby granted, provided that both the copyright 8 * notice and this permission notice appear in all copies of the 9 * software, derivative works or modified versions, and any portions 10 * thereof, and that both notices appear in supporting documentation. 11 * 12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS 13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 15 * 16 * Carnegie Mellon requests users of this software to return to 17 * 18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 19 * School of Computer Science 20 * Carnegie Mellon University 21 * Pittsburgh PA 15213-3890 22 * 23 * any improvements or extensions that they make and grant Carnegie the 24 * rights to redistribute these changes. 25 * 26 * $Id: db_lex.h,v 1.2 1993/10/16 16:47:19 rgrimes Exp $ 27 */ 28 29 #ifndef _DDB_DB_LEX_H_ 30 #define _DDB_DB_LEX_H_ 1 31 32 /* 33 * Author: David B. Golub, Carnegie Mellon University 34 * Date: 7/90 35 */ 36 /* 37 * Lexical analyzer. 38 */ 39 extern int db_read_line(); 40 extern void db_flush_line(); 41 extern int db_read_char(); 42 extern void db_unread_char(/* char c */); 43 extern int db_read_token(); 44 extern void db_unread_token(/* int t */); 45 extern void db_flush_lex(); 46 47 extern int db_tok_number; 48 #define TOK_STRING_SIZE 120 49 extern char db_tok_string[TOK_STRING_SIZE]; 50 extern int db_radix; 51 52 #define tEOF (-1) 53 #define tEOL 1 54 #define tNUMBER 2 55 #define tIDENT 3 56 #define tPLUS 4 57 #define tMINUS 5 58 #define tDOT 6 59 #define tSTAR 7 60 #define tSLASH 8 61 #define tEQ 9 62 #define tLPAREN 10 63 #define tRPAREN 11 64 #define tPCT 12 65 #define tHASH 13 66 #define tCOMMA 14 67 #define tDITTO 15 68 #define tDOLLAR 16 69 #define tEXCL 17 70 #define tSHIFT_L 18 71 #define tSHIFT_R 19 72 #define tDOTDOT 20 73 74 75 76 77 #endif /* _DDB_DB_LEX_H_ */ 78