2 # Copyright (C) Paul Jakma 2005
4 # This file is part of Quagga.
6 # Quagga is free software; you can redistribute it and/or modify it
7 # under the terms of the GNU General Public License as published by the
8 # Free Software Foundation; either version 2, or (at your option) any
11 # Quagga is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with Quagga; see the file COPYING. If not, write to the Free
18 # Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
22 # Scan a file of memory definitions (see eg memtypes.c) and generate
23 # a corresponding header file with an enum of the MTYPE's and declarations
24 # for the struct memory_list arrays
26 # struct memory_list's must be declared as:
27 # '\nstruct memory_list memory_list_<name>[] .....'
29 # Each MTYPE_ within the definition must the second token on the line,
30 # tokens being delineated by whitespace. It may only consist of the set of
31 # characters [[:upper:]_[:digit:]]. Eg:
33 # '\n { MTYPE_AWESOME_IPV8 , "Amazing new protocol, says genius" {}..boo'
35 # We try to ignore lines whose first token is /* or *, ie C comment lines.
36 # So the following should work fine:
38 # '/* This is the best memory_list ever!
39 # ' * It's got all my MTYPE's */
41 # 'struct memory_list memory_list_my_amazing_mlist[] = =
43 # ' { MTYPE_DONGLE, "Dongle widget" }
44 # ' { MTYPE_FROB, "Frobulator" },
45 # '{ MTYPE_WIPPLE, "Wipple combombulator"}
48 # Even if it isn't quite a valid C declaration.
52 mlistregex = "memory_list_(.*)\\[\\]";
53 mtyperegex = "^(MTYPE_[[:upper:]_[:digit:]]+).*";
54 header = "/* Auto-generated from memtypes.c by " ARGV[0] ". */\n";
55 header = header "/* Do not edit! */\n";
56 header = header "\n#ifndef _QUAGGA_MEMTYPES_H\n";
57 header = header "#define _QUAGGA_MEMTYPES_H\n";
58 footer = "\n#endif /* _QUAGGA_MEMTYPES_H */\n\n";
59 mlistformat = "extern struct memory_list memory_list_%s[];";
60 printf ("%s\n", header);
63 # catch lines beginning with 'struct memory list ' and try snag the
64 # memory_list name. Has to be 3rd field.
65 ($0 ~ /^struct memory_list /) && (NF >= 3) {
66 mlists[lcount++] = gensub(mlistregex, "\\1", "g",$3);
69 # snag the MTYPE, it must self-standing and the second field,
70 # though we do manage to tolerate the , C seperator being appended
71 ($1 !~ /^\/?\*/) && ($2 ~ /^MTYPE_/) {
72 mtype[tcount++] = gensub(mtyperegex, "\\1", "g", $2);
76 printf("enum\n{\n MTYPE_TMP = 1,\n");
77 for (i = 0; i < tcount; i++) {
78 if (mtype[i] != "" && mtype[i] != "MTYPE_TMP")
79 printf (" %s,\n", mtype[i]);
81 printf (" MTYPE_MAX,\n};\n\n");
82 for (i = 0; i < lcount; i++) {
84 printf (mlistformat "\n", mlists[i]);