1%{
2/* Copyright (C) 2004, 2005, 2007, 2008 Red Hat, Inc.
3   Written by Ulrich Drepper <drepper@redhat.com>, 2004.
4
5   Red Hat elfutils is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by the
7   Free Software Foundation; version 2 of the License.
8
9   Red Hat elfutils is distributed in the hope that it will be useful, but
10   WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   General Public License for more details.
13
14   You should have received a copy of the GNU General Public License along
15   with Red Hat elfutils; if not, write to the Free Software Foundation,
16   Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
17
18   Red Hat elfutils is an included package of the Open Invention Network.
19   An included package of the Open Invention Network is a package for which
20   Open Invention Network licensees cross-license their patents.  No patent
21   license is granted, either expressly or impliedly, by designation as an
22   included package.  Should you wish to participate in the Open Invention
23   Network licensing program, please visit www.openinventionnetwork.com
24   <http://www.openinventionnetwork.com>.  */
25
26#ifdef HAVE_CONFIG_H
27# include <config.h>
28#endif
29
30#include <ctype.h>
31#include <error.h>
32#include <libintl.h>
33
34#include <system.h>
35#include "i386_parse.h"
36
37
38static void eat_to_eol (void);
39static void invalid_char (int ch);
40%}
41
42ID              [a-zA-Z_][a-zA-Z0-9_/]*
43ID2             [a-zA-Z0-9_:/]*
44NUMBER		[0-9]+
45WHITE		[[:space:]]+
46
47%option yylineno
48%option never-interactive
49%option noyywrap
50
51
52%x MAIN
53
54%%
55
56"%mask"				{ return kMASK; }
57
58"%prefix"			{ return kPREFIX; }
59"%suffix"			{ return kSUFFIX; }
60
61"%synonym"			{ return kSYNONYM; }
62
63{NUMBER}			{ i386_lval.num = strtoul (yytext, NULL, 10);
64				  return kNUMBER; }
65
66"%%"				{ BEGIN (MAIN); return kPERCPERC; }
67
68
69<MAIN>"0"			{ return '0'; }
70<MAIN>"1"			{ return '1'; }
71
72<INITIAL,MAIN>"{"{ID2}"}"	{ i386_lval.str = xstrndup (yytext + 1,
73							    yyleng - 2);
74				  return kBITFIELD; }
75
76<MAIN>"INVALID"			{ i386_lval.str = (void *) -1l;
77				  return kID; }
78
79<MAIN>{ID}			{ i386_lval.str = xstrndup (yytext, yyleng);
80				  return kID; }
81
82<MAIN>","			{ return ','; }
83
84<MAIN>":"			{ return ':'; }
85
86<INITIAL,MAIN>^"\n"		{ /* IGNORE */ }
87
88<INITIAL,MAIN>"\n"		{ return '\n'; }
89
90<INITIAL,MAIN>^"#"		{ eat_to_eol (); }
91
92{WHITE}				{ /* IGNORE */ }
93
94<MAIN>{WHITE}			{ return kSPACE; }
95
96<MAIN>.				{ i386_lval.ch = *yytext; return kCHAR; }
97
98.				{ invalid_char (*yytext); }
99
100
101%%
102
103static void
104eat_to_eol (void)
105{
106  while (1)
107    {
108      int c = input ();
109
110      if (c == EOF || c == '\n')
111	break;
112    }
113}
114
115static void
116invalid_char (int ch)
117{
118  error (0, 0, (isascii (ch)
119		? gettext ("invalid character '%c' at line %d; ignored")
120		: gettext ("invalid character '\\%o' at line %d; ignored")),
121	 ch, yylineno);
122}
123
124// Local Variables:
125// mode: C
126// End:
127