15b81b6b3SRodney W. Grimes /* 25b81b6b3SRodney W. Grimes * Mach Operating System 35b81b6b3SRodney W. Grimes * Copyright (c) 1991,1990 Carnegie Mellon University 45b81b6b3SRodney W. Grimes * All Rights Reserved. 55b81b6b3SRodney W. Grimes * 65b81b6b3SRodney W. Grimes * Permission to use, copy, modify and distribute this software and its 75b81b6b3SRodney W. Grimes * documentation is hereby granted, provided that both the copyright 85b81b6b3SRodney W. Grimes * notice and this permission notice appear in all copies of the 95b81b6b3SRodney W. Grimes * software, derivative works or modified versions, and any portions 105b81b6b3SRodney W. Grimes * thereof, and that both notices appear in supporting documentation. 115b81b6b3SRodney W. Grimes * 125b81b6b3SRodney W. Grimes * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS 135b81b6b3SRodney W. Grimes * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 145b81b6b3SRodney W. Grimes * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 155b81b6b3SRodney W. Grimes * 165b81b6b3SRodney W. Grimes * Carnegie Mellon requests users of this software to return to 175b81b6b3SRodney W. Grimes * 185b81b6b3SRodney W. Grimes * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 195b81b6b3SRodney W. Grimes * School of Computer Science 205b81b6b3SRodney W. Grimes * Carnegie Mellon University 215b81b6b3SRodney W. Grimes * Pittsburgh PA 15213-3890 225b81b6b3SRodney W. Grimes * 235b81b6b3SRodney W. Grimes * any improvements or extensions that they make and grant Carnegie the 245b81b6b3SRodney W. Grimes * rights to redistribute these changes. 255b81b6b3SRodney W. Grimes */ 265b81b6b3SRodney W. Grimes /* 275b81b6b3SRodney W. Grimes * HISTORY 285b81b6b3SRodney W. Grimes * $Log: db_lex.h,v $ 295b81b6b3SRodney W. Grimes * Revision 1.1 1992/03/25 21:45:15 pace 305b81b6b3SRodney W. Grimes * Initial revision 315b81b6b3SRodney W. Grimes * 325b81b6b3SRodney W. Grimes * Revision 2.3 91/02/05 17:06:41 mrt 335b81b6b3SRodney W. Grimes * Changed to new Mach copyright 345b81b6b3SRodney W. Grimes * [91/01/31 16:18:28 mrt] 355b81b6b3SRodney W. Grimes * 365b81b6b3SRodney W. Grimes * Revision 2.2 90/08/27 21:51:16 dbg 375b81b6b3SRodney W. Grimes * Add 'dotdot' token. 385b81b6b3SRodney W. Grimes * [90/08/22 dbg] 395b81b6b3SRodney W. Grimes * Export db_flush_lex. 405b81b6b3SRodney W. Grimes * [90/08/07 dbg] 415b81b6b3SRodney W. Grimes * Created. 425b81b6b3SRodney W. Grimes * [90/07/25 dbg] 435b81b6b3SRodney W. Grimes * 445b81b6b3SRodney W. Grimes */ 455b81b6b3SRodney W. Grimes /* 465b81b6b3SRodney W. Grimes * Author: David B. Golub, Carnegie Mellon University 475b81b6b3SRodney W. Grimes * Date: 7/90 485b81b6b3SRodney W. Grimes */ 495b81b6b3SRodney W. Grimes /* 505b81b6b3SRodney W. Grimes * Lexical analyzer. 515b81b6b3SRodney W. Grimes */ 525b81b6b3SRodney W. Grimes extern int db_read_line(); 535b81b6b3SRodney W. Grimes extern void db_flush_line(); 545b81b6b3SRodney W. Grimes extern int db_read_char(); 555b81b6b3SRodney W. Grimes extern void db_unread_char(/* char c */); 565b81b6b3SRodney W. Grimes extern int db_read_token(); 575b81b6b3SRodney W. Grimes extern void db_unread_token(/* int t */); 585b81b6b3SRodney W. Grimes extern void db_flush_lex(); 595b81b6b3SRodney W. Grimes 605b81b6b3SRodney W. Grimes extern int db_tok_number; 615b81b6b3SRodney W. Grimes #define TOK_STRING_SIZE 120 625b81b6b3SRodney W. Grimes extern char db_tok_string[TOK_STRING_SIZE]; 635b81b6b3SRodney W. Grimes extern int db_radix; 645b81b6b3SRodney W. Grimes 655b81b6b3SRodney W. Grimes #define tEOF (-1) 665b81b6b3SRodney W. Grimes #define tEOL 1 675b81b6b3SRodney W. Grimes #define tNUMBER 2 685b81b6b3SRodney W. Grimes #define tIDENT 3 695b81b6b3SRodney W. Grimes #define tPLUS 4 705b81b6b3SRodney W. Grimes #define tMINUS 5 715b81b6b3SRodney W. Grimes #define tDOT 6 725b81b6b3SRodney W. Grimes #define tSTAR 7 735b81b6b3SRodney W. Grimes #define tSLASH 8 745b81b6b3SRodney W. Grimes #define tEQ 9 755b81b6b3SRodney W. Grimes #define tLPAREN 10 765b81b6b3SRodney W. Grimes #define tRPAREN 11 775b81b6b3SRodney W. Grimes #define tPCT 12 785b81b6b3SRodney W. Grimes #define tHASH 13 795b81b6b3SRodney W. Grimes #define tCOMMA 14 805b81b6b3SRodney W. Grimes #define tDITTO 15 815b81b6b3SRodney W. Grimes #define tDOLLAR 16 825b81b6b3SRodney W. Grimes #define tEXCL 17 835b81b6b3SRodney W. Grimes #define tSHIFT_L 18 845b81b6b3SRodney W. Grimes #define tSHIFT_R 19 855b81b6b3SRodney W. Grimes #define tDOTDOT 20 865b81b6b3SRodney W. Grimes 875b81b6b3SRodney W. Grimes 885b81b6b3SRodney W. Grimes 895b81b6b3SRodney W. Grimes 90