1 /* $OpenBSD: db_lex.h,v 1.7 2002/07/01 21:56:55 miod Exp $ */ 2 /* $NetBSD: db_lex.h,v 1.7 1996/02/05 01:57:07 christos Exp $ */ 3 4 /* 5 * Mach Operating System 6 * Copyright (c) 1993,1992,1991,1990 Carnegie Mellon University 7 * All Rights Reserved. 8 * 9 * Permission to use, copy, modify and distribute this software and its 10 * documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 17 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie Mellon 27 * the rights to redistribute these changes. 28 * 29 * Author: David B. Golub, Carnegie Mellon University 30 * Date: 7/90 31 */ 32 33 /* 34 * Lexical analyzer. 35 */ 36 int db_read_line(void); 37 void db_flush_line(void); 38 int db_read_char(void); 39 void db_unread_char(int); 40 void db_unread_token(int); 41 int db_read_token(void); 42 void db_flush_lex(void); 43 int db_lex(void); 44 45 extern db_expr_t db_tok_number; 46 #define TOK_STRING_SIZE 120 47 extern char db_tok_string[TOK_STRING_SIZE]; 48 49 #define tEOF (-1) 50 #define tEOL 1 51 #define tNUMBER 2 52 #define tIDENT 3 53 #define tPLUS 4 54 #define tMINUS 5 55 #define tDOT 6 56 #define tSTAR 7 57 #define tSLASH 8 58 #define tEQ 9 59 #define tLPAREN 10 60 #define tRPAREN 11 61 #define tPCT 12 62 #define tHASH 13 63 #define tCOMMA 14 64 #define tDITTO 15 65 #define tDOLLAR 16 66 #define tEXCL 17 67 #define tSHIFT_L 18 68 #define tSHIFT_R 19 69 #define tDOTDOT 20 70 71 72 73 74