itbl-lex.l revision 89857
1/* itbl-lex.l 2 Copyright 1997, 1998, 2001 Free Software Foundation, Inc. 3 4 This file is part of GAS, the GNU Assembler. 5 6 GAS is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GAS is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GAS; see the file COPYING. If not, write to the Free 18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 19 02111-1307, USA. */ 20 21%{ 22#include <stdio.h> 23#include <string.h> 24#include <stdlib.h> 25#include "itbl-parse.h" 26 27#ifdef DEBUG 28#define DBG(x) printf x 29#define MDBG(x) printf x 30#else 31#define DBG(x) 32#define MDBG(x) 33#endif 34 35int insntbl_line = 1; 36%} 37 38ALNUM [A-Za-z0-9_] 39DIGIT [0-9] 40ALPHA [A-Za-z_] 41HEX [0-9A-Fa-f] 42 43%% 44 45"creg"|"CREG" { 46 return CREG; 47 } 48"dreg"|"DREG" { 49 return DREG; 50 } 51"greg"|"GREG" { 52 return GREG; 53 } 54"immed"|"IMMED" { 55 return IMMED; 56 } 57"addr"|"ADDR" { 58 return ADDR; 59 } 60"insn"|"INSN" { 61 return INSN; 62 } 63"p"{DIGIT} { 64 yytext[yyleng] = 0; 65 yylval.processor = strtoul (yytext+1, 0, 0); 66 return PNUM; 67 } 68{DIGIT}+ { 69 yytext[yyleng] = 0; 70 yylval.num = strtoul (yytext, 0, 0); 71 return NUM; 72 } 73"0x"{HEX}+ { 74 yytext[yyleng] = 0; 75 yylval.num = strtoul (yytext, 0, 0); 76 return NUM; 77 } 78{ALPHA}{ALNUM}* { 79 yytext[yyleng] = 0; 80 yylval.str = strdup (yytext); 81 return ID; 82 } 83";"|"#" { 84 int c; 85 while ((c = input ()) != EOF) 86 { 87 if (c == '\n') 88 { 89 unput (c); 90 break; 91 } 92 } 93 } 94"\n" { 95 insntbl_line++; 96 MDBG (("in lex, NL = %d (x%x)\n", NL, NL)); 97 return NL; 98 } 99" "|"\t" { 100 } 101. { 102 MDBG (("char = %x, %d\n", yytext[0], yytext[0])); 103 return yytext[0]; 104 } 105%% 106 107#ifndef yywrap 108int 109yywrap () 110 { 111 return 1; 112 } 113#endif 114