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#!/bin/sh
#
# Copyright (C) 2003 Free Software Foundation, Inc.
# Contributed by Neil Booth, May 2003.
#
# This program 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 2, or (at your option) any
# later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# Usage: opts.sh outfile.c outfile.h file1.opt [file2.opt, ...]
# Always operate in the C locale.
LANG=C
LANGUAGE=C
LC_ALL=C
export LANG LANGUAGE LC_ALL
# Set AWK if environment has not already set it.
AWK=${AWK-awk}
SORT=sort # Could be /bin/sort or /usr/bin/sort
C_FILE=$1; shift
H_FILE=$1; shift
cat "$@" | ${AWK} '
BEGIN{ RS=""; FS="\n" }
# Ignore comments and blank lines
/^[ \t]*(;|$)/ { next }
/^[^ \t]/ { gsub ("\n", "\034", $0); print }
' | ${SORT} | ${AWK} '
function switch_flags (langs, flags)
{
langs = ":" langs ":"
gsub( " ", ":", langs)
flags = "0"
if (langs ~ ":C:") flags = flags " | CL_C"
if (langs ~ ":ObjC:") flags = flags " | CL_OBJC"
if (langs ~ ":C\\+\\+:") flags = flags " | CL_CXX"
if (langs ~ ":ObjC\\+\\+:") flags = flags " | CL_OBJCXX"
if (langs ~ ":F77:") flags = flags " | CL_F77"
if (langs ~ ":Java:") flags = flags " | CL_JAVA"
if (langs ~ ":Ada:") flags = flags " | CL_ADA"
if (langs ~ ":Tree:") flags = flags " | CL_TREELANG"
if (langs ~ ":Common:") flags = flags " | CL_COMMON"
if (langs ~ ":Joined:") flags = flags " | CL_JOINED"
if (langs ~ ":Separate:") flags = flags " | CL_SEPARATE"
if (langs ~ ":RejectNegative:") flags = flags " | CL_REJECT_NEGATIVE"
sub( "^0 \\| ", "", flags )
return flags
}
BEGIN {
FS = "\034"
n_opts = 0
}
# Collect the text and flags of each option into an array
{
opts[n_opts] = $1
flags[n_opts] = $2
n_opts++;
}
# Dump out an enumeration into a .h file, and an array of options into a
# C file. Combine the flags of duplicate options.
END {
c_file = "'${C_FILE}'"
h_file = "'${H_FILE}'"
comma = ","
print "/* This file is auto-generated by opts.sh. */\n" > h_file
print "enum opt_code\n{" >> h_file
print "/* This file is auto-generated by opts.sh. */\n" > c_file
print "#include \"" h_file "\"" >> c_file
print "#include \"opts.h\"\n" >> c_file
print "const unsigned int cl_options_count = N_OPTS;\n" >> c_file
print "const struct cl_option cl_options[] =\n{" >> c_file
for (i = 0; i < n_opts; i++) {
while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
flags[i + 1] = flags[i] " " flags[i + 1];
i++;
}
enum = "OPT_" opts[i]
gsub( "[^A-Za-z0-9]", "_", enum)
s = substr(" ", length (opts[i]))
if (i + 1 == n_opts)
comma = ""
printf(" %s,%s/* -%s */\n", enum, s, opts[i]) >> h_file
printf(" { \"%s\", %u, %s }%s\n", opts[i], \
length(opts[i]), switch_flags(flags[i]), comma) >> c_file
}
print " N_OPTS\n};" >> h_file
print "};" >> c_file
}
'
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