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minix3/commands/devmand/usb.c

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#ifndef lint
#if __GNUC__ - 0 >= 4 || (__GNUC__ - 0 == 3 && __GNUC_MINOR__ >= 1)
__attribute__((__used__))
#endif
static const char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93";
#endif
#ifdef _LIBC
#include "namespace.h"
#endif
#include <stdlib.h>
#include <string.h>
#define YYBYACC 1
#define YYMAJOR 1
#define YYMINOR 9
#define YYEMPTY (-1)
#define yyclearin (yychar = YYEMPTY)
#define yyerrok (yyerrflag = 0)
#define YYRECOVERING() (yyerrflag != 0)
#define YYPREFIX "yy"
#define YYPURE 0
#line 2 "usb.y"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "usb_driver.h"
#define YY_NO_INPUT
static struct devmand_usb_driver *current_drv;
static struct devmand_usb_match_id *current_id;
int yylex(void);
void yyerror(char *s)
{
fprintf(stderr,"parsing error: %s\n",s);
}
int yywrap()
{
return 1;
}
#line 23 "usb.y"
#ifdef YYSTYPE
#undef YYSTYPE_IS_DECLARED
#define YYSTYPE_IS_DECLARED 1
#endif
#ifndef YYSTYPE_IS_DECLARED
#define YYSTYPE_IS_DECLARED 1
typedef union {
char *string;
} YYSTYPE;
#endif /* !YYSTYPE_IS_DECLARED */
#line 58 "y.tab.c"
/* compatibility with bison */
#ifdef YYPARSE_PARAM
/* compatibility with FreeBSD */
# ifdef YYPARSE_PARAM_TYPE
# define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
# else
# define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
# endif
#else
# define YYPARSE_DECL() yyparse(void)
#endif
/* Parameters sent to lex. */
#ifdef YYLEX_PARAM
# define YYLEX_DECL() yylex(void *YYLEX_PARAM)
# define YYLEX yylex(YYLEX_PARAM)
#else
# define YYLEX_DECL() yylex(void)
# define YYLEX yylex()
#endif
/* Parameters sent to yyerror. */
#ifndef YYERROR_DECL
#define YYERROR_DECL() yyerror(const char *s)
#endif
#ifndef YYERROR_CALL
#define YYERROR_CALL(msg) yyerror(msg)
#endif
extern int YYPARSE_DECL();
#define USB_DRIVER 257
#define DEV_PREFIX 258
#define BINARY 259
#define INTERFACE_CLASS 260
#define INTERFACE_SUB_CLASS 261
#define EQUALS 262
#define DEV_TYPE 263
#define BLOCK_DEV 264
#define CHAR_DEV 265
#define UPSCRIPT 266
#define DOWNSCRIPT 267
#define SEMICOLON 268
#define BRACKET_OPEN 269
#define BRACKET_CLOSE 270
#define STRING 271
#define ID 272
#define INTERFACE_PROTOCOL 273
#define YYERRCODE 256
static const short yylhs[] = { -1,
0, 0, 2, 1, 3, 3, 5, 4, 4, 4,
4, 4, 4, 4, 6, 6, 7, 7, 7,
};
static const short yylen[] = { 2,
1, 2, 0, 6, 1, 2, 0, 5, 4, 4,
4, 4, 4, 4, 1, 2, 4, 4, 4,
};
static const short yydefred[] = { 0,
0, 0, 1, 3, 2, 0, 0, 0, 0, 0,
0, 0, 0, 5, 0, 0, 0, 0, 0, 0,
4, 6, 0, 0, 0, 0, 0, 0, 0, 0,
10, 9, 11, 12, 13, 14, 0, 0, 0, 0,
15, 0, 0, 0, 8, 16, 0, 0, 0, 17,
18, 19,
};
static const short yydgoto[] = { 2,
3, 6, 13, 14, 15, 40, 41,
};
static const short yysindex[] = { -253,
-264, -253, 0, 0, 0, -261, -241, -248, -238, -235,
-234, -233, -247, 0, -263, -250, -240, -259, -239, -237,
0, 0, -236, -232, -231, -230, -229, -228, -227, -258,
0, 0, 0, 0, 0, 0, -220, -219, -218, -260,
0, -226, -225, -224, 0, 0, -217, -216, -215, 0,
0, 0,
};
static const short yyrindex[] = { 0,
0, 0, 0, 0, 0, 0, -242, 0, 0, 0,
0, 0, -242, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0,
};
static const short yygindex[] = { 0,
33, 0, 0, 35, 0, 0, 9,
};
#define YYTABLESIZE 53
static const short yytable[] = { 37,
38, 37, 38, 1, 26, 27, 4, 7, 23, 45,
8, 9, 39, 16, 39, 10, 8, 9, 11, 12,
24, 10, 21, 17, 11, 12, 18, 19, 20, 7,
25, 28, 30, 29, 5, 31, 32, 33, 34, 35,
36, 42, 43, 44, 47, 48, 49, 22, 46, 0,
50, 51, 52,
};
static const short yycheck[] = { 260,
261, 260, 261, 257, 264, 265, 271, 269, 272, 270,
258, 259, 273, 262, 273, 263, 258, 259, 266, 267,
271, 263, 270, 262, 266, 267, 262, 262, 262, 272,
271, 271, 269, 271, 2, 268, 268, 268, 268, 268,
268, 262, 262, 262, 271, 271, 271, 13, 40, -1,
268, 268, 268,
};
#define YYFINAL 2
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 273
#if YYDEBUG
static const char *yyname[] = {
"end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"USB_DRIVER","DEV_PREFIX",
"BINARY","INTERFACE_CLASS","INTERFACE_SUB_CLASS","EQUALS","DEV_TYPE",
"BLOCK_DEV","CHAR_DEV","UPSCRIPT","DOWNSCRIPT","SEMICOLON","BRACKET_OPEN",
"BRACKET_CLOSE","STRING","ID","INTERFACE_PROTOCOL",
};
static const char *yyrule[] = {
"$accept : drivers",
"drivers : driver",
"drivers : drivers driver",
"$$1 :",
"driver : USB_DRIVER STRING $$1 BRACKET_OPEN usb_driver_statements BRACKET_CLOSE",
"usb_driver_statements : usb_driver_statement",
"usb_driver_statements : usb_driver_statements usb_driver_statement",
"$$2 :",
"usb_driver_statement : $$2 ID BRACKET_OPEN usb_device_id_statements BRACKET_CLOSE",
"usb_driver_statement : BINARY EQUALS STRING SEMICOLON",
"usb_driver_statement : DEV_PREFIX EQUALS STRING SEMICOLON",
"usb_driver_statement : DEV_TYPE EQUALS BLOCK_DEV SEMICOLON",
"usb_driver_statement : DEV_TYPE EQUALS CHAR_DEV SEMICOLON",
"usb_driver_statement : UPSCRIPT EQUALS STRING SEMICOLON",
"usb_driver_statement : DOWNSCRIPT EQUALS STRING SEMICOLON",
"usb_device_id_statements : usb_device_id_statement",
"usb_device_id_statements : usb_device_id_statements usb_device_id_statement",
"usb_device_id_statement : INTERFACE_CLASS EQUALS STRING SEMICOLON",
"usb_device_id_statement : INTERFACE_SUB_CLASS EQUALS STRING SEMICOLON",
"usb_device_id_statement : INTERFACE_PROTOCOL EQUALS STRING SEMICOLON",
};
#endif
int yydebug;
int yynerrs;
int yyerrflag;
int yychar;
YYSTYPE yyval;
YYSTYPE yylval;
/* define the initial stack-sizes */
#ifdef YYSTACKSIZE
#undef YYMAXDEPTH
#define YYMAXDEPTH YYSTACKSIZE
#else
#ifdef YYMAXDEPTH
#define YYSTACKSIZE YYMAXDEPTH
#else
#define YYSTACKSIZE 500
#define YYMAXDEPTH 500
#endif
#endif
#define YYINITSTACKSIZE 500
typedef struct {
unsigned stacksize;
short *s_base;
short *s_mark;
short *s_last;
YYSTYPE *l_base;
YYSTYPE *l_mark;
} YYSTACKDATA;
/* variables for the parser stack */
static YYSTACKDATA yystack;
#if YYDEBUG
#include <stdio.h> /* needed for printf */
#endif
#include <stdlib.h> /* needed for malloc, etc */
#include <string.h> /* needed for memset */
/* allocate initial stack or double stack size, up to YYMAXDEPTH */
static int yygrowstack(YYSTACKDATA *data)
{
int i;
unsigned newsize;
short *newss;
YYSTYPE *newvs;
if ((newsize = data->stacksize) == 0)
newsize = YYINITSTACKSIZE;
else if (newsize >= YYMAXDEPTH)
return -1;
else if ((newsize *= 2) > YYMAXDEPTH)
newsize = YYMAXDEPTH;
i = (int) (data->s_mark - data->s_base);
newss = (short *)realloc(data->s_base, newsize * sizeof(*newss));
if (newss == 0)
return -1;
data->s_base = newss;
data->s_mark = newss + i;
newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
if (newvs == 0)
return -1;
data->l_base = newvs;
data->l_mark = newvs + i;
data->stacksize = newsize;
data->s_last = data->s_base + newsize - 1;
return 0;
}
#if YYPURE || defined(YY_NO_LEAKS)
static void yyfreestack(YYSTACKDATA *data)
{
free(data->s_base);
free(data->l_base);
memset(data, 0, sizeof(*data));
}
#else
#define yyfreestack(data) /* nothing */
#endif
#define YYABORT goto yyabort
#define YYREJECT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
int
YYPARSE_DECL()
{
int yym, yyn, yystate;
#if YYDEBUG
const char *yys;
if ((yys = getenv("YYDEBUG")) != 0)
{
yyn = *yys;
if (yyn >= '0' && yyn <= '9')
yydebug = yyn - '0';
}
#endif
yynerrs = 0;
yyerrflag = 0;
yychar = YYEMPTY;
yystate = 0;
#if YYPURE
memset(&yystack, 0, sizeof(yystack));
#endif
if (yystack.s_base == NULL && yygrowstack(&yystack)) goto yyoverflow;
yystack.s_mark = yystack.s_base;
yystack.l_mark = yystack.l_base;
yystate = 0;
*yystack.s_mark = 0;
yyloop:
if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
if (yychar < 0)
{
if ((yychar = YYLEX) < 0) yychar = 0;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
}
if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, shifting to state %d\n",
YYPREFIX, yystate, yytable[yyn]);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
{
goto yyoverflow;
}
yystate = yytable[yyn];
*++yystack.s_mark = yytable[yyn];
*++yystack.l_mark = yylval;
yychar = YYEMPTY;
if (yyerrflag > 0) --yyerrflag;
goto yyloop;
}
if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{
yyn = yytable[yyn];
goto yyreduce;
}
if (yyerrflag) goto yyinrecovery;
yyerror("syntax error");
goto yyerrlab;
yyerrlab:
++yynerrs;
yyinrecovery:
if (yyerrflag < 3)
{
yyerrflag = 3;
for (;;)
{
if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, error recovery shifting\
to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
{
goto yyoverflow;
}
yystate = yytable[yyn];
*++yystack.s_mark = yytable[yyn];
*++yystack.l_mark = yylval;
goto yyloop;
}
else
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: error recovery discarding state %d\n",
YYPREFIX, *yystack.s_mark);
#endif
if (yystack.s_mark <= yystack.s_base) goto yyabort;
--yystack.s_mark;
--yystack.l_mark;
}
}
}
else
{
if (yychar == 0) goto yyabort;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
yychar = YYEMPTY;
goto yyloop;
}
yyreduce:
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, reducing by rule %d (%s)\n",
YYPREFIX, yystate, yyn, yyrule[yyn]);
#endif
yym = yylen[yyn];
if (yym)
yyval = yystack.l_mark[1-yym];
else
memset(&yyval, 0, sizeof yyval);
switch (yyn)
{
case 1:
#line 34 "usb.y"
{
}
break;
case 2:
#line 37 "usb.y"
{
}
break;
case 3:
#line 41 "usb.y"
{current_drv = add_usb_driver(yystack.l_mark[0].string);}
break;
case 4:
#line 44 "usb.y"
{
}
break;
case 5:
#line 49 "usb.y"
{
}
break;
case 6:
#line 52 "usb.y"
{
}
break;
case 7:
#line 56 "usb.y"
{current_id = add_usb_match_id(current_drv);}
break;
case 8:
#line 58 "usb.y"
{
}
break;
case 9:
#line 61 "usb.y"
{
current_drv->binary = yystack.l_mark[-1].string;
}
break;
case 10:
#line 65 "usb.y"
{
current_drv->devprefix = yystack.l_mark[-1].string;
}
break;
case 11:
#line 69 "usb.y"
{
current_drv->dev_type = block_dev;
}
break;
case 12:
#line 73 "usb.y"
{
current_drv->dev_type = char_dev;
}
break;
case 13:
#line 77 "usb.y"
{
current_drv->upscript = yystack.l_mark[-1].string;
}
break;
case 14:
#line 81 "usb.y"
{
current_drv->downscript = yystack.l_mark[-1].string;
}
break;
case 15:
#line 88 "usb.y"
{
}
break;
case 16:
#line 91 "usb.y"
{
}
break;
case 17:
#line 97 "usb.y"
{
int res;
unsigned int num;
current_id->match_flags |= USB_MATCH_INTERFACE_CLASS;
res = sscanf(yystack.l_mark[-1].string, "0x%x", &num);
if (res != 1) {
fprintf(stderr, "ERROR");
exit(1);
}
current_id->match_id.bInterfaceClass = num;
}
break;
case 18:
#line 109 "usb.y"
{
int res;
unsigned int num;
current_id->match_flags |= USB_MATCH_INTERFACE_SUBCLASS;
res = sscanf(yystack.l_mark[-1].string, "0x%x", &num);
if (res != 1) {
fprintf(stderr, "ERROR");
exit(1);
}
current_id->match_id.bInterfaceSubClass = num;
}
break;
case 19:
#line 122 "usb.y"
{
int res;
unsigned int num;
current_id->match_flags |= USB_MATCH_INTERFACE_PROTOCOL;
res = sscanf(yystack.l_mark[-1].string, "0x%x", &num);
if (res != 1) {
fprintf(stderr, "ERROR");
exit(1);
}
current_id->match_id.bInterfaceProtocol = num;
}
break;
#line 575 "y.tab.c"
}
yystack.s_mark -= yym;
yystate = *yystack.s_mark;
yystack.l_mark -= yym;
yym = yylhs[yyn];
if (yystate == 0 && yym == 0)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state 0 to\
state %d\n", YYPREFIX, YYFINAL);
#endif
yystate = YYFINAL;
*++yystack.s_mark = YYFINAL;
*++yystack.l_mark = yyval;
if (yychar < 0)
{
if ((yychar = YYLEX) < 0) yychar = 0;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, YYFINAL, yychar, yys);
}
#endif
}
if (yychar == 0) goto yyaccept;
goto yyloop;
}
if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
yystate = yytable[yyn];
else
yystate = yydgoto[yym];
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state %d \
to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack))
{
goto yyoverflow;
}
*++yystack.s_mark = (short) yystate;
*++yystack.l_mark = yyval;
goto yyloop;
yyoverflow:
yyerror("yacc stack overflow");
yyabort:
yyfreestack(&yystack);
return (1);
yyaccept:
yyfreestack(&yystack);
return (0);
}
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