gcc/opt-read.awk

   1 #  Copyright (C) 2003-2020 Free Software Foundation, Inc.
   2 #  Contributed by Kelley Cook, June 2004.
   3 #  Original code from Neil Booth, May 2003.
   4 #
   5 # This program is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License as published by the
   7 # Free Software Foundation; either version 3, or (at your option) any
   8 # later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; see the file COPYING3.  If not see
  17 # <http://www.gnu.org/licenses/>.
  18
  19 # Read in the option records generated from opt-gather.awk.
  20
  21 BEGIN {
  22         n_opts = 0
  23         n_langs = 0
  24         n_target_save = 0
  25         n_extra_vars = 0
  26         n_extra_target_vars = 0
  27         n_extra_masks = 0
  28         n_extra_c_includes = 0
  29         n_extra_h_includes = 0
  30         n_enums = 0
  31         have_save = 0;
  32         quote = "\042"
  33         comma = ","
  34         FS=SUBSEP
  35         # Default the name of header created from opth-gen.awk to options.h
  36         if (header_name == "") header_name="options.h"
  37 }
  38
  39 # Collect the text and flags of each option into an array
  40         {
  41                 if ($1 == "Language") {
  42                         langs[n_langs] = $2
  43                         lang_numbers[$2] = n_langs
  44                         n_langs++;
  45                 }
  46                 else if ($1 == "TargetSave") {
  47                         # Make sure the declarations are put in source order
  48                         target_save_decl[n_target_save] = $2
  49                         n_target_save++
  50                 }
  51                 else if ($1 == "Variable") {
  52                         extra_vars[n_extra_vars] = $2
  53                         n_extra_vars++
  54                         name = host_wide_int_var_name($2)
  55                         if (name != "")
  56                                 host_wide_int[name] = "yes"
  57                 }
  58                 else if ($1 == "TargetVariable") {
  59                         # Combination of TargetSave and Variable
  60                         extra_vars[n_extra_vars] = $2
  61                         n_extra_vars++
  62
  63                         var = $2
  64                         sub(" *=.*", "", var)
  65                         orig_var = var
  66                         name = var
  67                         type = var
  68                         sub("^.*[ *]", "", name)
  69                         sub(" *" name "$", "", type)
  70                         target_save_decl[n_target_save] = type " x_" name
  71                         n_target_save++
  72
  73                         extra_target_vars[n_extra_target_vars] = name
  74                         extra_target_var_types[n_extra_target_vars] = type
  75                         n_extra_target_vars++
  76                 }
  77                 else if ($1 == "HeaderInclude") {
  78                         extra_h_includes[n_extra_h_includes++] = $2;
  79                 }
  80                 else if ($1 == "SourceInclude")  {
  81                         extra_c_includes[n_extra_c_includes++] = $2;
  82                 }
  83                 else if ($1 == "Enum") {
  84                         props = $2
  85                         name = opt_args_non_empty("Name", props)
  86                         type = opt_args_non_empty("Type", props)
  87                         unknown_error = opt_args("UnknownError", props)
  88                         enum_names[n_enums] = name
  89                         enum_type[name] = type
  90                         enum_index[name] = n_enums
  91                         enum_unknown_error[name] = unknown_error
  92                         enum_help[name] = $3
  93                         n_enums++
  94                 }
  95                 else if ($1 == "EnumValue")  {
  96                         props = $2
  97                         enum_name = opt_args_non_empty("Enum", props)
  98                         string = opt_args_non_empty("String", props)
  99                         value = opt_args_non_empty("Value", props)
 100                         val_flags = "0"
 101                         val_flags = val_flags \
 102                           test_flag("Canonical", props, "| CL_ENUM_CANONICAL") \
 103                           test_flag("DriverOnly", props, "| CL_ENUM_DRIVER_ONLY")
 104                         enum_data[enum_name] = enum_data[enum_name] \
 105                           "  { " quote string quote ", " value ", " val_flags \
 106                           " },\n"
 107                 }
 108                 else {
 109                         name = opt_args("Mask", $1)
 110                         if (name == "") {
 111                                 opts[n_opts]  = $1
 112                                 opt_numbers[$1] = n_opts
 113                                 flags[n_opts] = $2
 114                                 help[n_opts]  = $3
 115                                 for (i = 4; i <= NF; i++)
 116                                         help[n_opts] = help[n_opts] " " $i
 117                                 n_opts++;
 118                         }
 119                         else {
 120                                 extra_masks[n_extra_masks++] = name
 121                         }
 122                 }
 123         }
 124