File: modes.y

package info (click to toggle)
fbset 2.1-32
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 940 kB
  • sloc: ansic: 1,508; yacc: 137; lex: 128; perl: 113; makefile: 105; sh: 10
file content (183 lines) | stat: -rw-r--r-- 2,949 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
/*
 *  Linux Frame Buffer Device Configuration
 *
 *   Copyright 1995-1998 by Geert Uytterhoeven
 *		       (Geert.Uytterhoeven@cs.kuleuven.ac.be)
 *
 *  --------------------------------------------------------------------------
 *
 *  This file is subject to the terms and conditions of the GNU General Public
 *  License. See the file COPYING in the main directory of the Linux
 *  distribution for more details.
 */


%{

#define YYSTYPE		long

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "fb.h"
#include "fbset.h"

extern int yylex(void);
extern void yyerror(const char *s);
extern int line;


static struct VideoMode VideoMode;

static void ClearVideoMode(void)
{
    memset(&VideoMode, 0, sizeof(VideoMode));
    VideoMode.accel_flags = FB_ACCELF_TEXT;
}

%}

%start file

%token MODE GEOMETRY TIMINGS HSYNC VSYNC CSYNC GSYNC EXTSYNC SYNC BCAST LACED DOUBLE
       RGBA NONSTD ACCEL GRAYSCALE
       ENDMODE POLARITY BOOLEAN STRING NUMBER COLORS

%%

file	  : vmodes
	  ;


vmodes	  : /* empty */
	  | vmodes vmode
	  ;

vmode	  : MODE STRING geometry timings options ENDMODE
	    {
		VideoMode.name = (const char *)$2;
		AddVideoMode(&VideoMode);
		ClearVideoMode();
	    }
	  ;

geometry  : GEOMETRY NUMBER NUMBER NUMBER NUMBER NUMBER
	    {
		ClearVideoMode();
		VideoMode.xres = $2;
		VideoMode.yres = $3;
		VideoMode.vxres = $4;
		VideoMode.vyres = $5;
		VideoMode.depth = $6;
	    }
	  ;

timings	  : TIMINGS NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER
	    {
		VideoMode.pixclock = $2;
		VideoMode.left = $3;
		VideoMode.right = $4;
		VideoMode.upper = $5;
		VideoMode.lower = $6;
		VideoMode.hslen = $7;
		VideoMode.vslen = $8;
	    }
	  ;

options	  : /* empty */
	  | options hsync
	  | options vsync
	  | options csync
	  | options gsync
	  | options extsync
	  | options sync
	  | options bcast
	  | options laced
	  | options double
	  | options rgba
	  | options nonstd
	  | options accel
	  | options grayscale
	  ;

hsync	  : HSYNC POLARITY
	    {
		VideoMode.hsync = $2;
	    }
	  ;

vsync	  : VSYNC POLARITY
	    {
		VideoMode.vsync = $2;
	    }
	  ;

csync	  : CSYNC POLARITY
	    {
		VideoMode.csync = $2;
	    }
	  ;

gsync	  : GSYNC POLARITY
	    {
		VideoMode.gsync = $2;
	    }
	  ;

extsync	  : EXTSYNC BOOLEAN
	    {
		VideoMode.extsync = $2;
	    }
	  ;

sync: SYNC NUMBER
	    {
		VideoMode.sync = $2;
		fixCustomSync(&VideoMode);
	    }
	  ;

bcast	  : BCAST BOOLEAN
	    {
		VideoMode.bcast = $2;
	    }
	  ;

laced	  : LACED BOOLEAN
	    {
		VideoMode.laced = $2;
	    }
	  ;

double	  : DOUBLE BOOLEAN
	    {
		VideoMode.dblscan = $2;
	    }
	  ;

rgba      : RGBA COLORS
            {
		makeRGBA(&VideoMode, (const char*)$2);
	    }
	  ;

nonstd    : NONSTD NUMBER
            {
	    	VideoMode.nonstd = $2;
	    }
	  ;

accel	  : ACCEL BOOLEAN
	    {
		VideoMode.accel_flags = $2;
	    }
	  ;

grayscale : GRAYSCALE BOOLEAN
	    {
		VideoMode.grayscale = $2;
	    }
	  ;
	  
%%