The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/tools/usbdevs2h.awk

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    1 #! /usr/bin/awk -f
    2 #-
    3 #       $NetBSD: usb/devlist2h.awk,v 1.9 2001/01/18 20:28:22 jdolecek Exp $
    4 #  $FreeBSD: releng/6.0/sys/tools/usbdevs2h.awk 139825 2005-01-07 02:29:27Z imp $
    5 #
    6 # Copyright (c) 1995, 1996 Christopher G. Demetriou
    7 # All rights reserved.
    8 #
    9 # Redistribution and use in source and binary forms, with or without
   10 # modification, are permitted provided that the following conditions
   11 # are met:
   12 # 1. Redistributions of source code must retain the above copyright
   13 #    notice, this list of conditions and the following disclaimer.
   14 # 2. Redistributions in binary form must reproduce the above copyright
   15 #    notice, this list of conditions and the following disclaimer in the
   16 #    documentation and/or other materials provided with the distribution.
   17 # 3. All advertising materials mentioning features or use of this software
   18 #    must display the following acknowledgement:
   19 #      This product includes software developed by Christopher G. Demetriou.
   20 # 4. The name of the author may not be used to endorse or promote products
   21 #    derived from this software without specific prior written permission
   22 #
   23 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   24 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   25 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   26 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   27 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   28 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   29 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   30 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   31 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   32 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   33 #
   34 
   35 function usage()
   36 {
   37         print "usage: usbdevs2h.awk <srcfile> [-d|-h]";
   38         exit 1;
   39 }
   40 
   41 function header(file)
   42 {
   43         if (os == "NetBSD")
   44                 printf("/*\t\$NetBSD\$\t*/\n\n") > file
   45         else if (os == "FreeBSD")
   46                 printf("/* \$FreeBSD\$ */\n\n") > file
   47         else if (os == "OpenBSD")
   48                 printf("/*\t\$OpenBSD\$\t*/\n\n") > file
   49         else
   50                 printf("/* ??? */\n\n") > file
   51         printf("/*\n") > file
   52         printf(" * THIS FILE IS AUTOMATICALLY GENERATED.  DO NOT EDIT.\n") \
   53             > file
   54         printf(" *\n") > file
   55         printf(" * generated from:\n") > file
   56         printf(" *\t%s\n", VERSION) > file
   57         printf(" */\n") > file
   58 }
   59 
   60 function vendor(hfile)
   61 {
   62         nvendors++
   63 
   64         vendorindex[$2] = nvendors;             # record index for this name, for later.
   65         vendors[nvendors, 1] = $2;              # name
   66         vendors[nvendors, 2] = $3;              # id
   67         if (hfile)
   68                 printf("#define\tUSB_VENDOR_%s\t%s\t", vendors[nvendors, 1],
   69                     vendors[nvendors, 2]) > hfile
   70         i = 3; f = 4;
   71 
   72         # comments
   73         ocomment = oparen = 0
   74         if (f <= NF) {
   75                 if (hfile)
   76                         printf("\t/* ") > hfile
   77                 ocomment = 1;
   78         }
   79         while (f <= NF) {
   80                 if ($f == "#") {
   81                         if (hfile)
   82                                 printf("(") > hfile
   83                         oparen = 1
   84                         f++
   85                         continue
   86                 }
   87                 if (oparen) {
   88                         if (hfile)
   89                                 printf("%s", $f) > hfile
   90                         if (f < NF && hfile)
   91                                 printf(" ") > hfile
   92                         f++
   93                         continue
   94                 }
   95                 vendors[nvendors, i] = $f
   96                 if (hfile)
   97                         printf("%s", vendors[nvendors, i]) > hfile
   98                 if (f < NF && hfile)
   99                         printf(" ") > hfile
  100                 i++; f++;
  101         }
  102         if (oparen && hfile)
  103                 printf(")") > hfile
  104         if (ocomment && hfile)
  105                 printf(" */") > hfile
  106         if (hfile)
  107                 printf("\n") > hfile
  108 }
  109 
  110 function product(hfile)
  111 {
  112         nproducts++
  113 
  114         products[nproducts, 1] = $2;            # vendor name
  115         products[nproducts, 2] = $3;            # product id
  116         products[nproducts, 3] = $4;            # id
  117         if (hfile)
  118                 printf("#define\tUSB_PRODUCT_%s_%s\t%s\t", \
  119                   products[nproducts, 1], products[nproducts, 2], \
  120                   products[nproducts, 3]) > hfile
  121 
  122         i=4; f = 5;
  123 
  124         # comments
  125         ocomment = oparen = 0
  126         if (f <= NF) {
  127                 if (hfile)
  128                         printf("\t/* ") > hfile
  129                 ocomment = 1;
  130         }
  131         while (f <= NF) {
  132                 if ($f == "#") {
  133                         if (hfile)
  134                                 printf("(") > hfile
  135                         oparen = 1
  136                         f++
  137                         continue
  138                 }
  139                 if (oparen) {
  140                         if (hfile)
  141                                 printf("%s", $f) > hfile
  142                         if (f < NF && hfile)
  143                                 printf(" ") > hfile
  144                         f++
  145                         continue
  146                 }
  147                 products[nproducts, i] = $f
  148                 if (hfile)
  149                         printf("%s", products[nproducts, i]) > hfile
  150                 if (f < NF && hfile)
  151                         printf(" ") > hfile
  152                 i++; f++;
  153         }
  154         if (oparen && hfile)
  155                 printf(")") > hfile
  156         if (ocomment && hfile)
  157                 printf(" */") > hfile
  158         if (hfile)
  159                 printf("\n") > hfile
  160 }
  161 
  162 function dump_dfile(dfile)
  163 {
  164         printf("\n") > dfile
  165         printf("const struct usb_knowndev usb_knowndevs[] = {\n") > dfile
  166         for (i = 1; i <= nproducts; i++) {
  167                 printf("\t{\n") > dfile
  168                 printf("\t    USB_VENDOR_%s, USB_PRODUCT_%s_%s,\n",
  169                     products[i, 1], products[i, 1], products[i, 2]) > dfile
  170                 printf("\t    ") > dfile
  171                 printf("0") > dfile
  172                 printf(",\n") > dfile
  173 
  174                 vendi = vendorindex[products[i, 1]];
  175                 printf("\t    \"") > dfile
  176                 j = 3;
  177                 needspace = 0;
  178                 while (vendors[vendi, j] != "") {
  179                         if (needspace)
  180                                 printf(" ") > dfile
  181                         printf("%s", vendors[vendi, j]) > dfile
  182                         needspace = 1
  183                         j++
  184                 }
  185                 printf("\",\n") > dfile
  186 
  187                 printf("\t    \"") > dfile
  188                 j = 4;
  189                 needspace = 0;
  190                 while (products[i, j] != "") {
  191                         if (needspace)
  192                                 printf(" ") > dfile
  193                         printf("%s", products[i, j]) > dfile
  194                         needspace = 1
  195                         j++
  196                 }
  197                 printf("\",\n") > dfile
  198                 printf("\t},\n") > dfile
  199         }
  200         for (i = 1; i <= nvendors; i++) {
  201                 printf("\t{\n") > dfile
  202                 printf("\t    USB_VENDOR_%s, 0,\n", vendors[i, 1]) > dfile
  203                 printf("\t    USB_KNOWNDEV_NOPROD,\n") > dfile
  204                 printf("\t    \"") > dfile
  205                 j = 3;
  206                 needspace = 0;
  207                 while (vendors[i, j] != "") {
  208                         if (needspace)
  209                                 printf(" ") > dfile
  210                         printf("%s", vendors[i, j]) > dfile
  211                         needspace = 1
  212                         j++
  213                 }
  214                 printf("\",\n") > dfile
  215                 printf("\t    NULL,\n") > dfile
  216                 printf("\t},\n") > dfile
  217         }
  218         printf("\t{ 0, 0, 0, NULL, NULL, }\n") > dfile
  219         printf("};\n") > dfile
  220 }
  221 
  222 BEGIN {
  223 
  224 nproducts = nvendors = 0
  225 # Process the command line
  226 for (i = 1; i < ARGC; i++) {
  227         arg = ARGV[i];
  228         if (arg !~ /^-[dh]+$/ && arg !~ /devs$/)
  229                 usage();
  230         if (arg ~ /^-.*d/)
  231                 dfile="usbdevs_data.h"
  232         if (arg ~ /^-.*h/)
  233                 hfile="usbdevs.h"
  234         if (arg ~ /devs$/)
  235                 srcfile = arg;
  236 }
  237 ARGC = 1;
  238 line=0;
  239 
  240 while ((getline < srcfile) > 0) {
  241         line++;
  242         if (line == 1) {
  243                 VERSION = $0
  244                 gsub("\\$", "", VERSION)
  245                 if (dfile)
  246                         header(dfile)
  247                 if (hfile)
  248                         header(hfile)
  249                 continue;
  250         }
  251         if ($1 == "vendor") {
  252                 vendor(hfile)
  253                 continue
  254         }
  255         if ($1 == "product") {
  256                 product(hfile)
  257                 continue
  258         }
  259         if ($0 == "")
  260                 blanklines++
  261         if (hfile)
  262                 print $0 > hfile
  263         if (blanklines < 2 && dfile)
  264             print $0 > dfile
  265 }
  266 
  267 # print out the match tables
  268 
  269 if (dfile)
  270         dump_dfile(dfile)
  271 }

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