summaryrefslogtreecommitdiffstats
path: root/libkdenetwork/libgpg-error-copy/mkheader.awk
blob: 26488973c8e0ea467e1f12dc54da891c54cb8524 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
# mkheader.awk
# Copyright (C) 2003, 2004 g10 Code GmbH
# 
# 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 of
# the License, 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA.
#
# As a special exception, g10 Code GmbH gives unlimited permission to
# copy, distribute and modify the C source files that are the output
# of mkheader.awk.  You need not follow the terms of the GNU General
# Public License when using or distributing such scripts, even though
# portions of the text of mkheader.awk appear in them.  The GNU
# General Public License (GPL) does govern all other use of the material
# that constitutes the mkheader.awk program.
#
# Certain portions of the mkheader.awk source text are designed to be
# copied (in certain cases, depending on the input) into the output of
# mkheader.awk.  We call these the "data" portions.  The rest of the
# mkheader.awk source text consists of comments plus executable code
# that decides which of the data portions to output in any given case.
# We call these comments and executable code the "non-data" portions.
# mkheader.h never copies any of the non-data portions into its output.
#
# This special exception to the GPL applies to versions of mkheader.awk
# released by g10 Code GmbH.  When you make and distribute a modified version
# of mkheader.awk, you may extend this special exception to the GPL to
# apply to your modified version as well, *unless* your modified version
# has the potential to copy into its output some of the text that was the
# non-data portion of the version that you started with.  (In other words,
# unless your change moves or copies text from the non-data portions to the
# data portions.)  If your modification has such potential, you must delete
# any notice of this special exception to the GPL from your modified version.

# This script processes gpg-error.h.in in an awful way.
# Its input is, one after another, the content of the err-sources.h.in file,
# the err-codes.h.in file, the errnos.in file, and then gpg-error.h.in.
# There is nothing fancy about this.
#
# An alternative would be to use getline to get the content of the first three files,
# but then we need to pre-process gpg-error.h.in with configure to get
# at the full path of the files in @srcdir@.

BEGIN {
  FS = "[\t]+";
# sources_nr holds the number of error sources.
  sources_nr = 0;
# codes_nr holds the number of error codes.
  codes_nr = 0;
# errnos_nr holds the number of system errors.
  errnos_nr = 0;

# These variables walk us through our input.
  sources_header = 1;
  sources_body = 0;
  between_sources_and_codes = 0;
  codes_body = 0;
  between_codes_and_errnos = 0;
  errnos_body = 0;
  gpg_error_h = 0;

  print "/* Output of mkheader.awk.  DO NOT EDIT.  */";
  print "";

}

sources_header {
  if ($1 ~ /^[0123456789]+$/)
    {
      sources_header = 0;
      sources_body = 1;
    }      
}

sources_body {
  sub (/\#.+/, "");
  sub (/[ 	]+$/, ""); # Strip trailing space and tab characters.

  if (/^$/)
    next;

  if ($1 == "")
    {
      sources_body = 0;
      between_sources_and_codes = 1;
    }
  else
    {
# Remember the error source number and symbol of each error source.
      sources_idx[sources_nr] = $1;
      sources_sym[sources_nr] = $2;
      sources_nr++;
    }
}

between_sources_and_codes {
  if ($1 ~ /^[0123456789]+$/)
    {
      between_sources_and_codes = 0;
      codes_body = 1;
    }      
}

codes_body {
  sub (/\#.+/, "");
  sub (/[ 	]+$/, ""); # Strip trailing space and tab characters.

  if (/^$/)
    next;

  if ($1 == "")
    {
      codes_body = 0;
      between_codes_and_errnos = 1;
    }
  else
    {
# Remember the error code number and symbol of each error source.
      codes_idx[codes_nr] = $1;
      codes_sym[codes_nr] = $2;
      codes_nr++;
    }
}

between_codes_and_errnos {
  if ($1 ~ /^[0-9]/)
    {
      between_codes_and_errnos = 0;
      errnos_body = 1;
    }
}

errnos_body {
  sub (/\#.+/, "");
  sub (/[ 	]+$/, ""); # Strip trailing space and tab characters.

  if (/^$/)
    next;

  if ($1 !~ /^[0-9]/)
    {
# Note that this assumes that gpg-error.h.in doesn't start with a digit.
      errnos_body = 0;
      gpg_error_h = 1;
    }
  else
    {
      errnos_idx[errnos_nr] = "GPG_ERR_SYSTEM_ERROR | " $1;
      errnos_sym[errnos_nr] = "GPG_ERR_" $2;
      errnos_nr++;
    }
}

gpg_error_h {
  if ($0 ~ /^@include err-sources/)
    {
      for (i = 0; i < sources_nr; i++)
	{
	  print "    " sources_sym[i] " = " sources_idx[i] ",";
#	  print "#define " sources_sym[i] " (" sources_idx[i] ")";
	}
    }
  else if ($0 ~ /^@include err-codes/)
    {
      for (i = 0; i < codes_nr; i++)
	{
	  print "    " codes_sym[i] " = " codes_idx[i] ",";
#	  print "#define " codes_sym[i] " (" codes_idx[i] ")";
	}
    }
  else if ($0 ~ /^@include errnos/)
    {
      for (i = 0; i < errnos_nr; i++)
	{
	  print "    " errnos_sym[i] " = " errnos_idx[i] ",";
#	  print "#define " errnos_sym[i] " (" errnos_idx[i] ")";
	}
    }
  else
    print;
}