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Diffstat (limited to 'gcc/opts.sh')
-rw-r--r-- | gcc/opts.sh | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gcc/opts.sh b/gcc/opts.sh new file mode 100644 index 00000000000..6fb839742dc --- /dev/null +++ b/gcc/opts.sh @@ -0,0 +1,78 @@ +#!/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, ...] + +AWK=/usr/bin/awk +SORT=/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 } +' | LANG=C ${SORT} | ${AWK} ' + function switch_flags (langs, flags) + { + langs = ":" langs ":" + gsub( " ", ":", langs) + flags = "0" + if (langs ~ ":C:") flags = flags " | CL_C" + if (langs ~ ":ObjC:") flags = flags " | CL_OBJC" + if (langs ~ ":C\\+\\+:") flags = flags " | CL_CXX" + if (langs ~ ":ObjC\\+\\+:") flags = flags " | CL_OBJCXX" + if (langs ~ ":Joined") flags = flags " | CL_JOINED" + if (langs ~ ":Separate") flags = flags " | CL_SEPARATE" + sub( "^0 \\| ", "", flags ) + return flags + } + + BEGIN { + c_file = "'${C_FILE}'" + h_file = "'${H_FILE}'" + FS = "\034" + print "/* This file is auto-generated by opts.sh. */\n" > h_file + print "/* This file is auto-generated by opts.sh. */\n" > c_file + print "struct cl_option\n{" >> h_file + print " const char *opt_text;" >> h_file + print " unsigned char opt_len;" >> h_file + print " unsigned char flags;" >> h_file + print "};\n" >> h_file + print "enum opt_code\n{" >> h_file + print "static const struct cl_option cl_options[] =\n{" >> c_file + } + + { + opt = $1 + gsub ( "[^A-Za-z0-9]", "_", opt) + s = substr (" ", length (opt)) + enum = "OPT_" opt + printf (" %s,%s/* -%s */\n", enum, s, $1 ) >> h_file + printf (" { \"%s\", %u, %s },\n", $1, \ + length ($1), switch_flags($2)) >> c_file + } + + END { + print " N_OPTS\n};" >> h_file + print "};" >> c_file + } +' |