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mpv/TVout/fbset/modes.l
arpi_esp d34041569e Initial revision
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2 b3059339-0415-0410-9bf9-f77b7e298cf2
2001-02-24 20:28:24 +00:00

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2.3 KiB
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/*
* 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 <string.h>
#include <stdlib.h>
#include "fbset.h"
#include "modes.tab.h"
struct keyword {
const char *name;
int token;
int value;
};
static struct keyword keywords[] = {
{ "mode", MODE, 0 },
{ "geometry", GEOMETRY, 0 },
{ "timings", TIMINGS, 0 },
{ "hsync", HSYNC, 0 },
{ "vsync", VSYNC, 0 },
{ "csync", CSYNC, 0 },
{ "gsync", GSYNC, 0 },
{ "extsync", EXTSYNC, 0 },
{ "bcast", BCAST, 0 },
{ "laced", LACED, 0 },
{ "double", DOUBLE, 0 },
{ "rgba", RGBA, 0 },
{ "nonstd", NONSTD, 0 },
{ "accel", ACCEL, 0 },
{ "grayscale", GRAYSCALE, 0 },
{ "endmode", ENDMODE, 0 },
{ "low", POLARITY, LOW },
{ "high", POLARITY, HIGH },
{ "false", BOOLEAN, FALSE },
{ "true", BOOLEAN, TRUE },
{ "", -1, 0 }
};
int line = 1;
void yyerror(const char *s)
{
Die("%s:%d: %s\n", Opt_modedb, line, s);
}
int yywrap(void)
{
return 1;
}
static int FindToken(const char *s)
{
int i;
for (i = 0; keywords[i].token > 0; i++)
if (!strcasecmp(s, keywords[i].name)) {
yylval = keywords[i].value;
return keywords[i].token;
}
Die("%s:%d: Unknown keyword `%s'\n", Opt_modedb, line, s);
}
static const char *CopyString(const char *s)
{
int len;
char *s2;
len = strlen(s)-2;
if (!(s2 = malloc(len+1)))
Die("No memory\n");
strncpy(s2, s+1, len);
s2[len] = '\0';
return s2;
}
%}
keyword [a-zA-Z][a-zA-Z0-9]*
number [0-9]*
string \"[^\"\n]*\"
comment \#([^\n]*)
space [ \t]+
junk .
%%
{keyword} {
return FindToken(yytext);
}
{number} {
yylval = strtoul(yytext, NULL, 0);
return NUMBER;
}
{string} {
yylval = (unsigned long)CopyString(yytext);
return STRING;
}
{comment}$ break;
{space} break;
\n {
line++;
break;
}
{junk} {
Die("%s:%d: Invalid token `%s'\n", Opt_modedb, line, yytext);
}
%%