lex.l revision 2088 
1/*-
2 * Copyright (c) 1994 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 *    derived from this software withough specific prior written permission
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 *	$Id: lex.l,v 1.1 1994/05/20 12:18:08 sos Exp $
28 */
29
30%{
31
32#include "lex.h"
33
34%}
35
36D	[0-9]
37X	[0-9a-fA-F]
38A	.
39L	[OCN]
40
41%%
42
43nop		{ return TNOP; }
44lshift 		{ return TLSH; }
45rshift 		{ return TRSH; }
46clock 		{ return TCLK; }
47nlock		{ return TNLK; }
48slock 		{ return TSLK; }
49lalt|alt 	{ return TLALT; }
50btab		{ return TBTAB; }
51lctrl|ctrl 	{ return TLCTR; }
52nscr 		{ return TNEXT; }
53rctrl 		{ return TRCTR; }
54ralt 		{ return TRALT; }
55alock 		{ return TALK; }
56ashift 		{ return TASH; }
57meta 		{ return TMETA; }
58boot 		{ return TRBT; }
59debug 		{ return TDBG; }
60
61NUL|nul		{ number = 0; return TNUM; }
62SOH|soh		{ number = 1; return TNUM; }
63STX|stx		{ number = 2; return TNUM; }
64ETX|etx		{ number = 3; return TNUM; }
65EOT|eot		{ number = 4; return TNUM; }
66ENQ|enq		{ number = 5; return TNUM; }
67ACK|ack		{ number = 6; return TNUM; }
68BEL|bel		{ number = 7; return TNUM; }
69BS|bs		{ number = 8; return TNUM; }
70HT|ht		{ number = 9; return TNUM; }
71LF|lf|NL|nl	{ number = 10; return TNUM; }
72VT|vt		{ number = 11; return TNUM; }
73FF|ff|NP|np	{ number = 12; return TNUM; }
74CR|cr		{ number = 13; return TNUM; }
75SO|so		{ number = 14; return TNUM; }
76SI|si		{ number = 15; return TNUM; }
77DLE|dle		{ number = 16; return TNUM; }
78DC1|dc1		{ number = 17; return TNUM; }
79DC2|dc2		{ number = 18; return TNUM; }
80DC3|dc3		{ number = 19; return TNUM; }
81DC4|dc4		{ number = 20; return TNUM; }
82NAK|nak		{ number = 21; return TNUM; }
83SYN|syn		{ number = 22; return TNUM; }
84ETB|etb		{ number = 23; return TNUM; }
85CAN|can		{ number = 24; return TNUM; }
86EM|em		{ number = 25; return TNUM; }
87SUB|sub		{ number = 26; return TNUM; }
88ESC|esc		{ number = 27; return TNUM; }
89FS|fs		{ number = 28; return TNUM; }
90GS|gs		{ number = 29; return TNUM; }
91RS|rs		{ number = 30; return TNUM; }
92NS|ns		{ number = 31; return TNUM; }
93SP|sp		{ number = 32; return TNUM; }
94DEL|del		{ number = 127; return TNUM; }
95
96fkey{D}({D}*)		{
97				sscanf(yytext+4, "%d", &number);
98				return TFUNC;
99			}
100scr{D}({D}*)		{
101				sscanf(yytext+3, "%d", &number);
102				return TSCRN;
103			}
104'{A}'			{ letter = *(yytext+1); return TLET; }
105#({A}*)			{ /* ignore */ }
1060x{X}({X}*)  		{ sscanf(yytext, "%x", &number); return TNUM; }
107{D}({D}*)  		{ sscanf(yytext, "%d", &number); return TNUM; }
108{L}			{
109				if (*yytext == 'O') number = 0;
110				if (*yytext == 'C') number = 1;
111				if (*yytext == 'N') number = 2;
112				return TFLAG;
113			}
114[ \t\n]		{ /* ignore */ }
115