/*

 * Copyright (C) IBM Corporation. 2007

 * Author: Doug Maxey <dwm@austin.ibm.com>

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

/* definitions */

%option array

%{

#include "prom_parse.h"

#undef LEXDEBUG

#ifdef LEXDEBUG

#define dbg(a) dbgprint((a))

#else

#define dbg(a) do {} while (0)

#endif  /* LEXDEBUG */

#define upval(d)				\

    dbg(#d);					\

    yylval.str[0] = 0;                          \

    strcat(yylval.str, yytext);			\

    yylloc.first_column = yylloc.last_column;	\

    yylloc.last_column += yyleng;		\

    return d

void dbgprint(const char *item) { fprintf(stderr, "%s: \"%s\" len=%d ", item, yytext, yyleng);}

%}

%option noyywrap

%option never-interactive

%option nounput

%option noinput

VDEVICE     vdevice

VDEVINST    gscsi

VDEVDEV     dev

VDEVRAW     rawio

                                /* CHOSEN uses only boot related paths. */

CHOSEN      bootpath|bootargs|iscsi-bootargs|nas-bootdevice

BUSNAME     ata|i2c|ide|pci|sata|scsi|usb|lhea

BOOTDEV     cdrom|disk|ethernet|iscsi-(disk[0-9]|toe)|sd

HEX4        [[:xdigit:]]{1,4}

HEX16       [[:xdigit:]]{5,16}

IPV4        [0-9]{1,3}(\.[0-9]{1,3}){3}

IQN         iqn\.[-[:alnum:]:.]{1,219}

OBPQUAL     bootp|ipv6|iscsi|dhcpv6

OBPPARM     blksize|bootp-retries|chapid|chappw|ciaddr|dhcp|filename|giaddr|ichapid|ichappw|ilun|iname|iport|isid|isns|itname|siaddr|slp|subnet-mask|tftp-retries

FILENAME    \\[-[:alnum:]\\\.]{1,}

%% /* rules */

{CHOSEN}      { upval(CHOSEN); }

{VDEVICE}     { upval(VDEVICE); }

{VDEVINST}    { upval(VDEVINST); }

{VDEVDEV}     { upval(VDEVDEV); }

{VDEVRAW}     { upval(VDEVRAW); }

{OBPQUAL}     { upval(OBPQUAL); }

{BUSNAME}     { upval(BUSNAME); }

{IPV4}        { upval(IPV4); }

{IQN}         { upval(IQN); }

{BOOTDEV}     { upval(BOOTDEV); }

{OBPPARM}     { upval(OBPPARM); }

{HEX4}        { upval(HEX4); }

{HEX16}       { upval(HEX16); }

{FILENAME}    { upval(FILENAME); }

[ \t\n]+      {                  /* eat all whitespace. */

	yylloc.first_column = yylloc.last_column;

	yylloc.last_column += yyleng;

}

.             {			/* any other single char. */

	dbg("??");

	yylloc.first_column = yylloc.last_column;

	yylloc.last_column += yyleng;

	return *yytext;

}

<<EOF>> yyterminate();

%% /* user code */