gcc/opt-read.awk

   1 #  Copyright (C) 2003,2004,2005,2006,2007,2008, 2010, 2011
   2 #  Free Software Foundation, Inc.
   3 #  Contributed by Kelley Cook, June 2004.
   4 #  Original code from Neil Booth, May 2003.
   5 #
   6 # This program is free software; you can redistribute it and/or modify it
   7 # under the terms of the GNU General Public License as published by the
   8 # Free Software Foundation; either version 3, or (at your option) any
   9 # later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; see the file COPYING3.  If not see
  18 # <http://www.gnu.org/licenses/>.
  19
  20 # Read in the option records generated from opt-gather.awk.
  21
  22 BEGIN {
  23         n_opts = 0
  24         n_langs = 0
  25         n_target_save = 0
  26         n_extra_vars = 0
  27         n_extra_target_vars = 0
  28         n_extra_masks = 0
  29         n_extra_c_includes = 0
  30         n_extra_h_includes = 0
  31         n_enums = 0
  32         have_save = 0;
  33         quote = "\042"
  34         comma = ","
  35         FS=SUBSEP
  36         # Default the name of header created from opth-gen.awk to options.h
  37         if (header_name == "") header_name="options.h"
  38 }
  39
  40 # Collect the text and flags of each option into an array
  41         {
  42                 if ($1 == "Language") {
  43                         langs[n_langs] = $2
  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                 }
  55                 else if ($1 == "TargetVariable") {
  56                         # Combination of TargetSave and Variable
  57                         extra_vars[n_extra_vars] = $2
  58                         n_extra_vars++
  59
  60                         var = $2
  61                         sub(" *=.*", "", var)
  62                         orig_var = var
  63                         name = var
  64                         type = var
  65                         sub("^.*[ *]", "", name)
  66                         sub(" *" name "$", "", type)
  67                         target_save_decl[n_target_save] = type " x_" name
  68                         n_target_save++
  69
  70                         extra_target_vars[n_extra_target_vars] = name
  71                         n_extra_target_vars++
  72                 }
  73                 else if ($1 == "HeaderInclude") {
  74                         extra_h_includes[n_extra_h_includes++] = $2;
  75                 }
  76                 else if ($1 == "SourceInclude")  {
  77                         extra_c_includes[n_extra_c_includes++] = $2;
  78                 }
  79                 else if ($1 == "Enum") {
  80                         props = $2
  81                         name = opt_args("Name", props)
  82                         type = opt_args("Type", props)
  83                         unknown_error = opt_args("UnknownError", props)
  84                         enum_names[n_enums] = name
  85                         enum_type[name] = type
  86                         enum_index[name] = n_enums
  87                         enum_unknown_error[name] = unknown_error
  88                         enum_help[name] = $3
  89                         n_enums++
  90                 }
  91                 else if ($1 == "EnumValue")  {
  92                         props = $2
  93                         enum_name = opt_args("Enum", props)
  94                         string = opt_args("String", props)
  95                         value = opt_args("Value", props)
  96                         val_flags = "0"
  97                         val_flags = val_flags \
  98                           test_flag("Canonical", props, "| CL_ENUM_CANONICAL") \
  99                           test_flag("DriverOnly", props, "| CL_ENUM_DRIVER_ONLY")
 100                         enum_data[enum_name] = enum_data[enum_name] \
 101                           "  { " quote string quote ", " value ", " val_flags \
 102                           " },\n"
 103                 }
 104                 else {
 105                         name = opt_args("Mask", $1)
 106                         if (name == "") {
 107                                 opts[n_opts]  = $1
 108                                 flags[n_opts] = $2
 109                                 help[n_opts]  = $3
 110                                 for (i = 4; i <= NF; i++)
 111                                         help[n_opts] = help[n_opts] " " $i
 112                                 n_opts++;
 113                         }
 114                         else {
 115                                 extra_masks[n_extra_masks++] = name
 116                         }
 117                 }
 118         }
 119