NetBSD/usr.bin/mkcsmapper/yacc.y

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/* $NetBSD: yacc.y,v 1.4 2003/10/28 04:00:51 jmc Exp $ */
%{
/*-
* Copyright (c)2003 Citrus Project,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif
#include <sys/cdefs.h>
#if !defined(lint)
__RCSID("$NetBSD: yacc.y,v 1.4 2003/10/28 04:00:51 jmc Exp $");
#endif /* not lint */
#include <assert.h>
#include <err.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include "ldef.h"
#ifndef __packed
#define __packed
#endif
#include "citrus_namespace.h"
#include "citrus_types.h"
#include "citrus_mapper_std_file.h"
#include "citrus_region.h"
#include "citrus_db_factory.h"
#include "citrus_db_hash.h"
#include "citrus_lookup_factory.h"
#include "citrus_pivot_factory.h"
int debug = 0;
static char *output = NULL;
static void *table = NULL;
static size_t table_size;
static char *map_name;
static int map_type;
static zone_t src_zone;
static u_int32_t colmask, rowmask;
static u_int32_t dst_invalid, dst_ilseq, oob_mode, dst_unit_bits;
static void (*putfunc)(void *, size_t, u_int32_t) = 0;
static u_int32_t src_next;
static int next_valid;
static u_int32_t done_flag = 0;
#define DF_TYPE 0x00000001
#define DF_NAME 0x00000002
#define DF_SRC_ZONE 0x00000004
#define DF_DST_INVALID 0x00000008
#define DF_DST_ILSEQ 0x00000010
#define DF_DST_UNIT_BITS 0x00000020
#define DF_OOB_MODE 0x00000040
static void dump_file(void);
static void setup_map(void);
static void set_type(int);
static void set_name(char *);
static void set_src_zone(const zone_t *);
static void set_dst_invalid(u_int32_t);
static void set_dst_ilseq(u_int32_t);
static void set_dst_unit_bits(u_int32_t);
static void set_oob_mode(u_int32_t);
static void calc_next(void);
static int check_src(u_int32_t, u_int32_t);
static void store(const linear_zone_t *, u_int32_t, int);
static void put8(void *, size_t, u_int32_t);
static void put16(void *, size_t, u_int32_t);
static void put32(void *, size_t, u_int32_t);
%}
%union {
u_int32_t i_value;
char *s_value;
zone_t z_value;
linear_zone_t lz_value;
}
%token R_TYPE R_NAME R_SRC_ZONE R_DST_UNIT_BITS
%token R_DST_INVALID R_DST_ILSEQ
%token R_BEGIN_MAP R_END_MAP R_INVALID R_ROWCOL
%token R_ILSEQ R_OOB_MODE
%token R_LN
%token <i_value> L_IMM
%token <s_value> L_STRING
%type <z_value> zone
%type <lz_value> src
%type <i_value> dst types oob_mode_sel
%%
file : property mapping lns
{ dump_file(); }
property : /* empty */
| property R_LN
| property name
| property type
| property src_zone
| property dst_invalid
| property dst_ilseq
| property dst_unit_bits
| property oob_mode
name : R_NAME L_STRING { set_name($2); $2 = NULL; }
type : R_TYPE types { set_type($2); }
types : R_ROWCOL { $$ = R_ROWCOL; }
src_zone : R_SRC_ZONE zone { set_src_zone(&$2); }
zone : L_IMM '-' L_IMM {
$$.row_begin = $$.row_end = 0;
$$.col_begin = $1; $$.col_end = $3;
$$.col_bits = 32;
}
| L_IMM '-' L_IMM '/' L_IMM '-' L_IMM '/' L_IMM {
$$.row_begin = $1; $$.row_end = $3;
$$.col_begin = $5; $$.col_end = $7;
$$.col_bits = $9;
}
dst_invalid : R_DST_INVALID L_IMM { set_dst_invalid($2); }
dst_ilseq : R_DST_ILSEQ L_IMM { set_dst_ilseq($2); }
dst_unit_bits : R_DST_UNIT_BITS L_IMM { set_dst_unit_bits($2); }
oob_mode : R_OOB_MODE oob_mode_sel { set_oob_mode($2); }
oob_mode_sel : R_INVALID { $$ = _CITRUS_MAPPER_STD_OOB_NONIDENTICAL; }
| R_ILSEQ { $$ = _CITRUS_MAPPER_STD_OOB_ILSEQ; }
mapping : begin_map map_elems R_END_MAP
begin_map : R_BEGIN_MAP lns { setup_map(); }
map_elems : /* empty */
| map_elems map_elem lns
map_elem : src '=' dst
{ store(&$1, $3, 0); }
| src '=' L_IMM '-'
{ store(&$1, $3, 1); }
dst : L_IMM
{
$$ = $1;
}
| R_INVALID
{
$$ = dst_invalid;
}
| R_ILSEQ
{
$$ = dst_ilseq;
}
src : /* empty */
{
if (!next_valid) {
yyerror("cannot omit src");
}
$$.begin = $$.end = src_next;
calc_next();
}
| L_IMM
{
if (check_src($1, $1)) {
yyerror("illegal zone");
}
$$.begin = $$.end = $1;
src_next = $1;
calc_next();
}
| L_IMM '-' L_IMM
{
if (check_src($1, $3)) {
yyerror("illegal zone");
}
$$.begin = $1; $$.end = $3;
src_next = $3;
calc_next();
}
| '-' L_IMM
{
if (!next_valid) {
yyerror("cannot omit src");
}
if (check_src(src_next, $2)) {
yyerror("illegal zone");
}
$$.begin = src_next; $$.end = $2;
src_next = $2;
calc_next();
}
lns : R_LN
| lns R_LN
%%
static void
warning(const char *s)
{
fprintf(stderr, "%s in %d\n", s, line_number);
}
int
yyerror(const char *s)
{
warning(s);
exit(1);
}
void
put8(void *ptr, size_t ofs, u_int32_t val)
{
*((u_int8_t *)ptr + ofs) = val;
}
void
put16(void *ptr, size_t ofs, u_int32_t val)
{
u_int16_t oval = htons(val);
memcpy((u_int16_t *)ptr + ofs, &oval, 2);
}
void
put32(void *ptr, size_t ofs, u_int32_t val)
{
u_int32_t oval = htonl(val);
memcpy((u_int32_t *)ptr + ofs, &oval, 4);
}
static void
alloc_table(void)
{
size_t i;
u_int32_t val;
table_size =
(src_zone.row_end-src_zone.row_begin+1)*
(src_zone.col_end-src_zone.col_begin+1);
table = malloc(table_size*dst_unit_bits/8);
if (!table) {
perror("malloc");
exit(1);
}
switch (oob_mode) {
case _CITRUS_MAPPER_STD_OOB_NONIDENTICAL:
val = dst_invalid;
break;
case _CITRUS_MAPPER_STD_OOB_ILSEQ:
val = dst_ilseq;
break;
default:
_DIAGASSERT(0);
}
for (i=0; i<table_size; i++)
(*putfunc)(table, i, val);
}
static void
setup_map(void)
{
if ((done_flag & DF_SRC_ZONE)==0) {
fprintf(stderr, "SRC_ZONE is mandatory.\n");
exit(1);
}
if ((done_flag & DF_DST_UNIT_BITS)==0) {
fprintf(stderr, "DST_UNIT_BITS is mandatory.\n");
exit(1);
}
if ((done_flag & DF_DST_INVALID) == 0)
dst_invalid = 0xFFFFFFFF;
if ((done_flag & DF_DST_ILSEQ) == 0)
dst_ilseq = 0xFFFFFFFE;
if ((done_flag & DF_OOB_MODE) == 0)
oob_mode = _CITRUS_MAPPER_STD_OOB_NONIDENTICAL;
alloc_table();
}
static void
create_rowcol_info(struct _region *r)
{
void *ptr;
size_t ofs;
ofs = 0;
ptr = malloc(_CITRUS_MAPPER_STD_ROWCOL_INFO_SIZE);
if (ptr==NULL)
err(EXIT_FAILURE, "malloc");
put32(ptr, ofs, src_zone.col_bits); ofs++;
put32(ptr, ofs, dst_invalid); ofs++;
put32(ptr, ofs, src_zone.row_begin); ofs++;
put32(ptr, ofs, src_zone.row_end); ofs++;
put32(ptr, ofs, src_zone.col_begin); ofs++;
put32(ptr, ofs, src_zone.col_end); ofs++;
put32(ptr, ofs, dst_unit_bits); ofs++;
put32(ptr, ofs, 0); /* pad */
_region_init(r, ptr, _CITRUS_MAPPER_STD_ROWCOL_INFO_SIZE);
}
static void
create_rowcol_ext_ilseq_info(struct _region *r)
{
void *ptr;
size_t ofs;
ofs = 0;
ptr = malloc(_CITRUS_MAPPER_STD_ROWCOL_EXT_ILSEQ_SIZE);
if (ptr==NULL)
err(EXIT_FAILURE, "malloc");
put32(ptr, ofs, oob_mode); ofs++;
put32(ptr, ofs, dst_ilseq); ofs++;
_region_init(r, ptr, _CITRUS_MAPPER_STD_ROWCOL_EXT_ILSEQ_SIZE);
}
#define CHKERR(ret, func, a) \
do { \
ret = func a; \
if (ret) \
errx(EXIT_FAILURE, "%s: %s", #func, strerror(ret)); \
} while (/*CONSTCOND*/0)
static void
dump_file(void)
{
FILE *fp;
int ret;
struct _db_factory *df;
struct _region data;
void *serialized;
size_t size;
/*
* build database
*/
CHKERR(ret, _db_factory_create, (&df, _db_hash_std, NULL));
/* store type */
CHKERR(ret, _db_factory_addstr_by_s,
(df, _CITRUS_MAPPER_STD_SYM_TYPE,
_CITRUS_MAPPER_STD_TYPE_ROWCOL));
/* store info */
create_rowcol_info(&data);
CHKERR(ret, _db_factory_add_by_s,
(df, _CITRUS_MAPPER_STD_SYM_INFO, &data, 1));
/* ilseq extension */
create_rowcol_ext_ilseq_info(&data);
CHKERR(ret, _db_factory_add_by_s,
(df, _CITRUS_MAPPER_STD_SYM_ROWCOL_EXT_ILSEQ, &data, 1));
/* store table */
_region_init(&data, table, table_size*dst_unit_bits/8);
CHKERR(ret, _db_factory_add_by_s,
(df, _CITRUS_MAPPER_STD_SYM_TABLE, &data, 1));
/*
* dump database to file
*/
if (output)
fp = fopen(output, "wb");
else
fp = stdout;
if (fp == NULL) {
perror("fopen");
exit(1);
}
/* dump database body */
size = _db_factory_calc_size(df);
serialized = malloc(size);
_region_init(&data, serialized, size);
CHKERR(ret, _db_factory_serialize,
(df, _CITRUS_MAPPER_STD_MAGIC, &data));
if (fwrite(serialized, size, 1, fp) != 1)
err(EXIT_FAILURE, "fwrite");
fclose(fp);
}
static void
/*ARGSUSED*/
set_type(int type)
{
if (done_flag & DF_TYPE) {
warning("TYPE is duplicated. ignored this one");
return;
}
map_type = type;
done_flag |= DF_TYPE;
}
static void
/*ARGSUSED*/
set_name(char *str)
{
if (done_flag & DF_NAME) {
warning("NAME is duplicated. ignored this one");
return;
}
map_name = str;
done_flag |= DF_NAME;
}
static void
set_src_zone(const zone_t *zone)
{
if (done_flag & DF_SRC_ZONE) {
warning("SRC_ZONE is duplicated. ignored this one");
return;
}
/* sanity check */
if (zone->col_bits<1 || zone->col_bits>32) {
goto bad;
}
if (zone->col_bits!=32)
colmask = (1 << zone->col_bits)-1;
else
colmask = ~0;
rowmask = ~colmask;
if (zone->col_begin > zone->col_end ||
zone->row_begin > zone->row_end ||
(zone->col_begin & rowmask)!=0 ||
(zone->col_end & rowmask)!=0 ||
((zone->row_begin << zone->col_bits) & colmask)!=0 ||
((zone->row_end << zone->col_bits) & colmask)!=0) {
bad:
yyerror("Illegal argument for SRC_ZONE");
}
src_zone = *zone;
done_flag |= DF_SRC_ZONE;
return;
}
static void
set_dst_invalid(u_int32_t val)
{
if (done_flag & DF_DST_INVALID) {
warning("DST_INVALID is duplicated. ignored this one");
return;
}
dst_invalid = val;
done_flag |= DF_DST_INVALID;
}
static void
set_dst_ilseq(u_int32_t val)
{
if (done_flag & DF_DST_ILSEQ) {
warning("DST_ILSEQ is duplicated. ignored this one");
return;
}
dst_ilseq = val;
done_flag |= DF_DST_ILSEQ;
}
static void
set_oob_mode(u_int32_t val)
{
if (done_flag & DF_OOB_MODE) {
warning("OOB_MODE is duplicated. ignored this one");
return;
}
oob_mode = val;
done_flag |= DF_OOB_MODE;
}
static void
set_dst_unit_bits(u_int32_t val)
{
if (done_flag & DF_DST_UNIT_BITS) {
warning("DST_UNIT_BITS is duplicated. ignored this one");
return;
}
switch (val) {
case 8:
putfunc = &put8;
dst_unit_bits = val;
break;
case 16:
putfunc = &put16;
dst_unit_bits = val;
break;
case 32:
putfunc = &put32;
dst_unit_bits = val;
break;
default:
yyerror("Illegal argument for DST_UNIT_BITS");
}
done_flag |= DF_DST_UNIT_BITS;
}
static void
calc_next(void)
{
src_next++;
if (check_src(src_next, src_next))
next_valid = 0;
else
next_valid = 1;
}
static int
check_src(u_int32_t begin, u_int32_t end)
{
u_int32_t b_row = 0, e_row = 0, b_col, e_col;
b_col = begin & colmask;
e_col = end & colmask;
if (src_zone.col_bits != 32) {
b_row = begin >> src_zone.col_bits;
e_row = end >> src_zone.col_bits;
}
if (b_row != e_row ||
b_row < src_zone.row_begin ||
b_row > src_zone.row_end ||
e_row < src_zone.row_begin ||
e_row > src_zone.row_end ||
b_col < src_zone.col_begin ||
b_col > src_zone.col_end ||
e_col < src_zone.col_begin ||
e_col > src_zone.col_end ||
b_col>e_col) {
return (-1);
}
return (0);
}
static void
store(const linear_zone_t *lz, u_int32_t dst, int inc)
{
u_int32_t row=0, col, ofs, i;
if (src_zone.col_bits != 32)
row = lz->begin >> src_zone.col_bits;
col = lz->begin & colmask;
ofs =
(row-src_zone.row_begin)*(src_zone.col_end-src_zone.col_begin+1) +
(col-src_zone.col_begin);
for (i=lz->end-lz->begin+1; i>0; i--) {
(*putfunc)(table, ofs++, dst);
if (inc)
dst++;
}
}
static void
do_mkdb(FILE *in)
{
int ret;
FILE *out;
/* dump DB to file */
if (output)
out = fopen(output, "wb");
else
out = stdout;
if (out==NULL)
err(EXIT_FAILURE, "fopen");
ret = _lookup_factory_convert(out, in);
fclose(out);
if (ret && output)
unlink(output); /* dump failure */
}
static void
do_mkpv(FILE *in)
{
int ret;
FILE *out;
/* dump pivot to file */
if (output)
out = fopen(output, "wb");
else
out = stdout;
if (out==NULL)
err(EXIT_FAILURE, "fopen");
ret = _pivot_factory_convert(out, in);
fclose(out);
if (ret && output)
unlink(output); /* dump failure */
if (ret)
errx(EXIT_FAILURE, "%s\n", strerror(ret));
}
static void
usage(void)
{
warnx("usage: \n"
"\t%s [-d] [-o outfile] [infile]\n"
"\t%s -m [-d] [-o outfile] [infile]\n"
"\t%s -p [-d] [-o outfile] [infile]\n",
getprogname(), getprogname(), getprogname());
exit(1);
}
int
main(int argc, char **argv)
{
int ch;
extern char *optarg;
extern int optind;
FILE *in;
int mkdb = 0, mkpv = 0;
while ((ch=getopt(argc, argv, "do:mp")) != EOF) {
switch (ch) {
case 'd':
debug=1;
break;
case 'o':
output = strdup(optarg);
break;
case 'm':
mkdb = 1;
break;
case 'p':
mkpv = 1;
break;
default:
usage();
}
}
argc-=optind;
argv+=optind;
switch (argc) {
case 0:
in = stdin;
break;
case 1:
in = fopen(argv[0], "r");
if (!in)
err(EXIT_FAILURE, argv[0]);
break;
default:
usage();
}
if (mkdb)
do_mkdb(in);
else if (mkpv)
do_mkpv(in);
else {
yyin = in;
yyparse();
}
return (0);
}