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: head/sys/tools/usbdevs2h.awk 328507 2018-01-28 05:13:08Z imp $
    5 #
    6 # SPDX-License-Identifier: BSD-4-Clause
    7 #
    8 # Copyright (c) 1995, 1996 Christopher G. Demetriou
    9 # All rights reserved.
   10 #
   11 # Redistribution and use in source and binary forms, with or without
   12 # modification, are permitted provided that the following conditions
   13 # are met:
   14 # 1. Redistributions of source code must retain the above copyright
   15 #    notice, this list of conditions and the following disclaimer.
   16 # 2. Redistributions in binary form must reproduce the above copyright
   17 #    notice, this list of conditions and the following disclaimer in the
   18 #    documentation and/or other materials provided with the distribution.
   19 # 3. All advertising materials mentioning features or use of this software
   20 #    must display the following acknowledgement:
   21 #      This product includes software developed by Christopher G. Demetriou.
   22 # 4. The name of the author may not be used to endorse or promote products
   23 #    derived from this software without specific prior written permission
   24 #
   25 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   26 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   27 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   28 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   29 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   30 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   31 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   32 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   33 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   34 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   35 #
   36 
   37 function usage()
   38 {
   39         print "usage: usbdevs2h.awk <srcfile> [-d|-h]";
   40         exit 1;
   41 }
   42 
   43 function header(file)
   44 {
   45         printf("/*\n") > file
   46         printf(" * THIS FILE IS AUTOMATICALLY GENERATED.  DO NOT EDIT.\n") \
   47             > file
   48         printf(" *\n") > file
   49         printf(" * generated from:\n") > file
   50         printf(" *\t%s\n", VERSION) > file
   51         printf(" */\n") > file
   52 }
   53 
   54 function vendor(hfile)
   55 {
   56         nvendors++
   57 
   58         vendorindex[$2] = nvendors;             # record index for this name, for later.
   59         vendors[nvendors, 1] = $2;              # name
   60         vendors[nvendors, 2] = $3;              # id
   61         if (hfile)
   62                 printf("#define\tUSB_VENDOR_%s\t%s\t", vendors[nvendors, 1],
   63                     vendors[nvendors, 2]) > hfile
   64         i = 3; f = 4;
   65 
   66         # comments
   67         ocomment = oparen = 0
   68         if (f <= NF) {
   69                 if (hfile)
   70                         printf("\t/* ") > hfile
   71                 ocomment = 1;
   72         }
   73         while (f <= NF) {
   74                 if ($f == "#") {
   75                         if (hfile)
   76                                 printf("(") > hfile
   77                         oparen = 1
   78                         f++
   79                         continue
   80                 }
   81                 if (oparen) {
   82                         if (hfile)
   83                                 printf("%s", $f) > hfile
   84                         if (f < NF && hfile)
   85                                 printf(" ") > hfile
   86                         f++
   87                         continue
   88                 }
   89                 vendors[nvendors, i] = $f
   90                 if (hfile)
   91                         printf("%s", vendors[nvendors, i]) > hfile
   92                 if (f < NF && hfile)
   93                         printf(" ") > hfile
   94                 i++; f++;
   95         }
   96         if (oparen && hfile)
   97                 printf(")") > hfile
   98         if (ocomment && hfile)
   99                 printf(" */") > hfile
  100         if (hfile)
  101                 printf("\n") > hfile
  102 }
  103 
  104 function product(hfile)
  105 {
  106         nproducts++
  107 
  108         products[nproducts, 1] = $2;            # vendor name
  109         products[nproducts, 2] = $3;            # product id
  110         products[nproducts, 3] = $4;            # id
  111         if (hfile)
  112                 printf("#define\tUSB_PRODUCT_%s_%s\t%s\t", \
  113                   products[nproducts, 1], products[nproducts, 2], \
  114                   products[nproducts, 3]) > hfile
  115 
  116         i=4; f = 5;
  117 
  118         # comments
  119         ocomment = oparen = 0
  120         if (f <= NF) {
  121                 if (hfile)
  122                         printf("\t/* ") > hfile
  123                 ocomment = 1;
  124         }
  125         while (f <= NF) {
  126                 if ($f == "#") {
  127                         if (hfile)
  128                                 printf("(") > hfile
  129                         oparen = 1
  130                         f++
  131                         continue
  132                 }
  133                 if (oparen) {
  134                         if (hfile)
  135                                 printf("%s", $f) > hfile
  136                         if (f < NF && hfile)
  137                                 printf(" ") > hfile
  138                         f++
  139                         continue
  140                 }
  141                 products[nproducts, i] = $f
  142                 if (hfile)
  143                         printf("%s", products[nproducts, i]) > hfile
  144                 if (f < NF && hfile)
  145                         printf(" ") > hfile
  146                 i++; f++;
  147         }
  148         if (oparen && hfile)
  149                 printf(")") > hfile
  150         if (ocomment && hfile)
  151                 printf(" */") > hfile
  152         if (hfile)
  153                 printf("\n") > hfile
  154 }
  155 
  156 function dump_dfile(dfile)
  157 {
  158         printf("\n") > dfile
  159         printf("const struct usb_knowndev usb_knowndevs[] = {\n") > dfile
  160         for (i = 1; i <= nproducts; i++) {
  161                 printf("\t{\n") > dfile
  162                 printf("\t    USB_VENDOR_%s, USB_PRODUCT_%s_%s,\n",
  163                     products[i, 1], products[i, 1], products[i, 2]) > dfile
  164                 printf("\t    ") > dfile
  165                 printf("0") > dfile
  166                 printf(",\n") > dfile
  167 
  168                 vendi = vendorindex[products[i, 1]];
  169                 printf("\t    \"") > dfile
  170                 j = 3;
  171                 needspace = 0;
  172                 while (vendors[vendi, j] != "") {
  173                         if (needspace)
  174                                 printf(" ") > dfile
  175                         printf("%s", vendors[vendi, j]) > dfile
  176                         needspace = 1
  177                         j++
  178                 }
  179                 printf("\",\n") > dfile
  180 
  181                 printf("\t    \"") > dfile
  182                 j = 4;
  183                 needspace = 0;
  184                 while (products[i, j] != "") {
  185                         if (needspace)
  186                                 printf(" ") > dfile
  187                         printf("%s", products[i, j]) > dfile
  188                         needspace = 1
  189                         j++
  190                 }
  191                 printf("\",\n") > dfile
  192                 printf("\t},\n") > dfile
  193         }
  194         for (i = 1; i <= nvendors; i++) {
  195                 printf("\t{\n") > dfile
  196                 printf("\t    USB_VENDOR_%s, 0,\n", vendors[i, 1]) > dfile
  197                 printf("\t    USB_KNOWNDEV_NOPROD,\n") > dfile
  198                 printf("\t    \"") > dfile
  199                 j = 3;
  200                 needspace = 0;
  201                 while (vendors[i, j] != "") {
  202                         if (needspace)
  203                                 printf(" ") > dfile
  204                         printf("%s", vendors[i, j]) > dfile
  205                         needspace = 1
  206                         j++
  207                 }
  208                 printf("\",\n") > dfile
  209                 printf("\t    NULL,\n") > dfile
  210                 printf("\t},\n") > dfile
  211         }
  212         printf("\t{ 0, 0, 0, NULL, NULL, }\n") > dfile
  213         printf("};\n") > dfile
  214 }
  215 
  216 BEGIN {
  217 
  218 nproducts = nvendors = 0
  219 # Process the command line
  220 for (i = 1; i < ARGC; i++) {
  221         arg = ARGV[i];
  222         if (arg !~ /^-[dh]+$/ && arg !~ /devs$/)
  223                 usage();
  224         if (arg ~ /^-.*d/)
  225                 dfile="usbdevs_data.h"
  226         if (arg ~ /^-.*h/)
  227                 hfile="usbdevs.h"
  228         if (arg ~ /devs$/)
  229                 srcfile = arg;
  230 }
  231 ARGC = 1;
  232 line=0;
  233 
  234 while ((getline < srcfile) > 0) {
  235         line++;
  236         if (line == 1) {
  237                 VERSION = $0
  238                 gsub("\\$", "", VERSION)
  239                 if (dfile)
  240                         header(dfile)
  241                 if (hfile)
  242                         header(hfile)
  243                 continue;
  244         }
  245         if ($1 == "vendor") {
  246                 vendor(hfile)
  247                 continue
  248         }
  249         if ($1 == "product") {
  250                 product(hfile)
  251                 continue
  252         }
  253         if ($0 == "")
  254                 blanklines++
  255         if (hfile)
  256                 print $0 > hfile
  257         if (blanklines < 2 && dfile)
  258             print $0 > dfile
  259 }
  260 
  261 # print out the match tables
  262 
  263 if (dfile)
  264         dump_dfile(dfile)
  265 }

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