gcc/make-melt-predefh.awk


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

## generate the header file melt-predef.h

#	Copyright (C)  2009  Free Software Foundation, Inc.
#	Contributed by Basile Starynkevitch  <basile@starynkevitch.net>
#
# This file is part of GCC.
#
# GCC is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3, or (at your option) any later
# version.
#
# GCC is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
# License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.
BEGIN {
    predefcount = 0;
    print "/* generated file melt-predef.h -- DO NOT EDIT */";
    print "/* generated from melt-predef.list by make-melt-predefh.awk */";
    print "#ifndef MELT_HAS_PREDEFINED"
    print "#error should define MELT_HAS_PREDEFINED before including melt-predef.h";
    print "#endif /*MELT_HAS_PREDEFINED*/\n";
}

# Remove comment and blank lines.
/^#/ {
    next;
}
/^ *$/ {
    next;
}


/^ *[A-Z_0-9]*/ {
    predefcount++;
    printf("  MELT_HAS_PREDEFINED(%s,%d)\n", $1, predefcount);
}

END {
    print;
    print "#undef MELT_HAS_PREDEFINED";
    printf("/* end of generated file melt-predef.h for %d predefined */\n", predefcount);
}