mirror of
https://github.com/alsa-project/alsa-utils
synced 2024-09-20 01:59:57 +02:00
115 lines
2.8 KiB
Text
115 lines
2.8 KiB
Text
/*
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* Advanced Linux Sound Architecture Control Program
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* Copyright (c) 1998 by Perex, APS, University of South Bohemia
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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%{
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#include "alsactl.h"
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struct bytearray {
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unsigned char *data;
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size_t datalen;
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};
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#include "alsactl_parser.h"
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#define YY_NO_UNPUT
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#undef YY_CDECL
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#define YY_CDECL int YY_PROTO(yylex( void ));
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int linecount;
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%}
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%%
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/* special characters */
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"{"|"}" return yytext[0];
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"("|")" return yytext[0];
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"["|"]" return yytext[0];
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")"[ \t]*"{" return L_DOUBLE1;
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"," return yytext[0];
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"=" return yytext[0];
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/* tokens */
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soundcard return L_SOUNDCARD;
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control return L_CONTROL;
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global return L_GLOBAL;
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hwdep return L_HWDEP;
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mixer return L_MIXER;
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pcm return L_PCM;
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rawmidi return L_RAWMIDI;
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timer return L_TIMER;
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sequencer return L_SEQUENCER;
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ident return L_IDENT;
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iface return L_IFACE;
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name return L_NAME;
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device return L_DEVICE;
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subdevice return L_SUBDEVICE;
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index return L_INDEX;
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bool return L_BOOL;
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int return L_INT;
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enum return L_ENUM;
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byte return L_BYTE;
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/* boolean */
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false|off|no return L_FALSE;
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true|on|yes return L_TRUE;
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/* integers */
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[0-9]+ { yylval.i_value = strtol(yytext, (char **)NULL, 10); return L_INTEGER; }
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0x[0-9a-f]+ { yylval.i_value = strtol(yytext, (char **)NULL, 0); return L_INTEGER; }
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/* strings */
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\"[^\"]*\" { yytext[strlen(yytext) - 1] = 0;
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yylval.s_value = strdup(&yytext[1]);
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return L_STRING; }
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\'[^\']*\' { yytext[strlen(yytext) - 1] = 0;
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yylval.s_value = strdup(&yytext[1]);
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return L_STRING; }
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[a-z0-9/\~@-Za-z_]+ { yylval.s_value = strdup(yytext);
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return L_STRING; }
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$[a-z0-9/\~@-Za-z_]+ { yylval.s_value = strdup(getenv(&yytext[1]));
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return L_STRING; }
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/* comments & whitespaces */
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[#\;][^\n]*\n { linecount++; }
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[ \t]+ ;
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\n { linecount++; }
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. fprintf( stderr, "alsactl: discarding char '%c' - line %i\n", yytext[0], linecount + 1 );
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%%
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#ifndef yywrap
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int yywrap(void) /* do this avoid to do -lfl */
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{
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return 1;
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}
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#endif
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