xref: /dragonfly/contrib/gcc-4.7/gcc/opt-read.awk (revision 25a2db75)
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
22BEGIN {
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			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			n_extra_target_vars++
75		}
76		else if ($1 == "HeaderInclude") {
77			extra_h_includes[n_extra_h_includes++] = $2;
78		}
79		else if ($1 == "SourceInclude")  {
80			extra_c_includes[n_extra_c_includes++] = $2;
81		}
82		else if ($1 == "Enum") {
83			props = $2
84			name = opt_args("Name", props)
85			type = opt_args("Type", props)
86			unknown_error = opt_args("UnknownError", props)
87			enum_names[n_enums] = name
88			enum_type[name] = type
89			enum_index[name] = n_enums
90			enum_unknown_error[name] = unknown_error
91			enum_help[name] = $3
92			n_enums++
93		}
94		else if ($1 == "EnumValue")  {
95			props = $2
96			enum_name = opt_args("Enum", props)
97			string = opt_args("String", props)
98			value = opt_args("Value", props)
99			val_flags = "0"
100			val_flags = val_flags \
101			  test_flag("Canonical", props, "| CL_ENUM_CANONICAL") \
102			  test_flag("DriverOnly", props, "| CL_ENUM_DRIVER_ONLY")
103			enum_data[enum_name] = enum_data[enum_name] \
104			  "  { " quote string quote ", " value ", " val_flags \
105			  " },\n"
106		}
107		else {
108			name = opt_args("Mask", $1)
109			if (name == "") {
110				opts[n_opts]  = $1
111				flags[n_opts] = $2
112				help[n_opts]  = $3
113				for (i = 4; i <= NF; i++)
114					help[n_opts] = help[n_opts] " " $i
115				n_opts++;
116			}
117			else {
118				extra_masks[n_extra_masks++] = name
119			}
120		}
121	}
122
123