2005-02-17 Paul Brook <paul@codesourcery.com>
[deliverable/binutils-gdb.git] / gas / itbl-lex.l
CommitLineData
252b5132 1/* itbl-lex.l
3882b010 2 Copyright 1997, 1998, 2001 Free Software Foundation, Inc.
252b5132
RH
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>
3d82a647
DJ
25
26#include <itbl-parse.h>
252b5132
RH
27
28#ifdef DEBUG
29#define DBG(x) printf x
30#define MDBG(x) printf x
31#else
32#define DBG(x)
33#define MDBG(x)
34#endif
35
36int insntbl_line = 1;
37%}
38
39ALNUM [A-Za-z0-9_]
40DIGIT [0-9]
41ALPHA [A-Za-z_]
42HEX [0-9A-Fa-f]
43
44%%
45
46"creg"|"CREG" {
47 return CREG;
48 }
49"dreg"|"DREG" {
50 return DREG;
51 }
52"greg"|"GREG" {
53 return GREG;
54 }
55"immed"|"IMMED" {
56 return IMMED;
57 }
58"addr"|"ADDR" {
59 return ADDR;
60 }
61"insn"|"INSN" {
62 return INSN;
63 }
64"p"{DIGIT} {
65 yytext[yyleng] = 0;
66 yylval.processor = strtoul (yytext+1, 0, 0);
67 return PNUM;
68 }
69{DIGIT}+ {
70 yytext[yyleng] = 0;
71 yylval.num = strtoul (yytext, 0, 0);
72 return NUM;
73 }
74"0x"{HEX}+ {
75 yytext[yyleng] = 0;
76 yylval.num = strtoul (yytext, 0, 0);
77 return NUM;
78 }
79{ALPHA}{ALNUM}* {
80 yytext[yyleng] = 0;
81 yylval.str = strdup (yytext);
82 return ID;
83 }
84";"|"#" {
85 int c;
86 while ((c = input ()) != EOF)
87 {
88 if (c == '\n')
89 {
90 unput (c);
91 break;
92 }
93 }
94 }
95"\n" {
96 insntbl_line++;
97 MDBG (("in lex, NL = %d (x%x)\n", NL, NL));
98 return NL;
99 }
100" "|"\t" {
101 }
102. {
103 MDBG (("char = %x, %d\n", yytext[0], yytext[0]));
104 return yytext[0];
105 }
106%%
107
108#ifndef yywrap
109int
110yywrap ()
111 {
112 return 1;
113 }
114#endif
This page took 0.233261 seconds and 4 git commands to generate.