gcc/config/loongarch/genopts/genstr.sh

   1 #!/bin/sh
   2 # A simple script that generates loongarch-str.h and loongarch.opt
   3 # from genopt/loongarch-optstr.
   4 #
   5 # Copyright (C) 2021-2023 Free Software Foundation, Inc.
   6 #
   7 # This file is part of GCC.
   8 #
   9 # GCC is free software; you can redistribute it and/or modify it under
  10 # the terms of the GNU General Public License as published by the Free
  11 # Software Foundation; either version 3, or (at your option) any later
  12 # version.
  13 #
  14 # GCC is distributed in the hope that it will be useful, but WITHOUT
  15 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  16 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  17 # License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with GCC; see the file COPYING3.  If not see
  21 # <http://www.gnu.org/licenses/>.
  22
  23 cd "$(dirname "$0")"
  24
  25 # Generate a header containing definitions from the string table.
  26 gen_defines() {
  27     cat <<EOF
  28 /* Generated automatically by "genstr" from "loongarch-strings".
  29    Please do not edit this file directly.
  30
  31    Copyright (C) 2021-2023 Free Software Foundation, Inc.
  32    Contributed by Loongson Ltd.
  33
  34 This file is part of GCC.
  35
  36 GCC is free software; you can redistribute it and/or modify
  37 it under the terms of the GNU General Public License as published by
  38 the Free Software Foundation; either version 3, or (at your option)
  39 any later version.
  40
  41 GCC is distributed in the hope that it will be useful,
  42 but WITHOUT ANY WARRANTY; without even the implied warranty of
  43 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  44 GNU General Public License for more details.
  45
  46 You should have received a copy of the GNU General Public License
  47 along with GCC; see the file COPYING3.  If not see
  48 <http://www.gnu.org/licenses/>.  */
  49
  50 #ifndef LOONGARCH_STR_H
  51 #define LOONGARCH_STR_H
  52 EOF
  53
  54     sed -e '/^$/n' -e 's@#.*$@@' -e '/^$/d' \
  55         -e 's@^\([^ \t]\+\)[ \t]*\([^ \t]*\)@#define \1 "\2"@' \
  56         loongarch-strings
  57
  58     echo
  59     echo "#endif /* LOONGARCH_STR_H */"
  60 }
  61
  62
  63 # Substitute all "@@<KEY>@@" to "<VALUE>" in loongarch.opt.in
  64 # according to the key-value pairs defined in loongarch-strings.
  65
  66 gen_options() {
  67
  68     sed -e '/^$/n' -e 's@#.*$@@' -e '/^$/d' \
  69         -e 's@^\([^ \t]\+\)[ \t]*\([^ \t]*\)@\1="\2"@' \
  70         loongarch-strings | { \
  71
  72         # read the definitions
  73         while read -r line; do
  74             eval "$line"
  75         done
  76
  77         # print a header
  78         cat << EOF
  79 ; Generated by "genstr" from the template "loongarch.opt.in"
  80 ; and definitions from "loongarch-strings".
  81 ;
  82 ; Please do not edit this file directly.
  83 ; It will be automatically updated during a gcc build
  84 ; if you change "loongarch.opt.in" or "loongarch-strings".
  85 ;
  86 EOF
  87
  88         # make the substitutions
  89         sed -e 's@"@\\"@g' -e 's/@@\([^@]\+\)@@/${\1}/g' loongarch.opt.in | \
  90             while read -r line; do
  91                 eval "echo \"$line\""
  92             done
  93     }
  94 }
  95
  96 main() {
  97     case "$1" in
  98         header) gen_defines;;
  99         opt) gen_options;;
 100         *) echo "Unknown Command: \"$1\". Available: header, opt"; exit 1;;
 101     esac
 102 }
 103
 104 main "$@"