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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
##
## Copyright (C) 2008-2019, Nigel Stewart <nigels[]users sourceforge net>
## Copyright (C) 2002-2008, Marcelo E. Magallon <mmagallo[]debian org>
## Copyright (C) 2002-2008, Milan Ikits <milan ikits[]ieee org>
##
## This program is distributed under the terms and conditions of the GNU
## General Public License Version 2 as published by the Free Software
## Foundation or, at your option, any later version.
my %regex = (
extname => qr/^[A-Z][A-Za-z0-9_]+$/,
exturl => qr/^http.+$/,
function => qr/^(.+) ([a-z][a-z0-9_]*) \((.+)\)$/i,
token => qr/^([A-Z][A-Z0-9_x]*)\s+((?:0x)?[0-9A-Fa-f]+(u(ll)?)?|[A-Z][A-Z0-9_]*)$/,
type => qr/^typedef\s+(.+)$/,
exact => qr/.*;$/,
);
# prefix function name with glew
sub prefixname($)
{
my $name = $_[0];
$name =~ s/^(.*?)gl/__$1glew/;
return $name;
}
# prefix function name with glew
sub prefix_varname($)
{
my $name = $_[0];
$name =~ s/^(.*?)GL(X*?)EW/__$1GL$2EW/;
return $name;
}
#---------------------------------------------------------------------------------------
sub make_exact($)
{
my $exact = $_[0];
$exact =~ s/(; |{)/$1\n/g;
return $exact;
}
sub make_separator($)
{
my $extname = $_[0];
my $l = length $extname;
my $s = (71 - $l)/2;
print "/* ";
my $j = 3;
for (my $i = 0; $i < $s; $i++)
{
print "-";
$j++;
}
print " $_[0] ";
$j += $l + 2;
while ($j < 76)
{
print "-";
$j++;
}
print " */\n\n";
}
#---------------------------------------------------------------------------------------
sub parse_ext($)
{
my $filename = shift;
my %functions = ();
my %tokens = ();
my @reuse = (); # Extensions to reuse
my @types = ();
my @exacts = ();
my $extname = ""; # Full extension name GL_FOO_extension
my $exturl = ""; # Info URL
my $extstring = ""; # Relevant extension string
open EXT, "<$filename" or return;
# As of GLEW 1.14.0 the first four lines _must_ be
# the extension name, the URL and the GL extension
# string (which might be different to the name),
# and the reused extensions
#
# For example GL_NV_geometry_program4 is available
# iff GL_NV_gpu_program4 appears in the extension
# string.
#
# For core OpenGL versions, the third line should
# be blank.
#
# If the URL is unknown, the second line should be
# blank.
$extname = readline(*EXT);
$exturl = readline(*EXT);
$extstring = readline(*EXT);
@reuse = split(" ", readline(*EXT));
chomp($extname);
chomp($exturl);
chomp($extstring);
while(<EXT>)
{
chomp;
if (s/^\s+//)
{
if (/$regex{exact}/)
{
push @exacts, $_;
}
elsif (/$regex{type}/)
{
push @types, $_;
}
elsif (/$regex{token}/)
{
my ($name, $value) = ($1, $2);
$tokens{$name} = $value;
}
elsif (/$regex{function}/)
{
my ($return, $name, $parms) = ($1, $2, $3);
$functions{$name} = {
rtype => $return,
parms => $parms,
};
} else {
print STDERR "'$_' matched no regex.\n";
}
}
}
close EXT;
return ($extname, $exturl, $extstring, \@reuse, \@types, \%tokens, \%functions, \@exacts);
}
sub output_tokens($$)
{
my ($tbl, $fnc) = @_;
if (keys %{$tbl})
{
local $, = "\n";
print "\n";
print map { &{$fnc}($_, $tbl->{$_}) } sort {
if (${$tbl}{$a} eq ${$tbl}{$b}) {
$a cmp $b
} else {
if (${$tbl}{$a} =~ /_/) {
if (${$tbl}{$b} =~ /_/) {
$a cmp $b
} else {
-1
}
} else {
if (${$tbl}{$b} =~ /_/) {
1
} else {
if (hex ${$tbl}{$a} eq hex ${$tbl}{$b}) {
$a cmp $b
} else {
hex ${$tbl}{$a} <=> hex ${$tbl}{$b}
}
}
}
}
} keys %{$tbl};
print "\n";
} else {
print STDERR "no keys in table!\n";
}
}
sub output_types($$)
{
my ($tbl, $fnc) = @_;
if (scalar @{$tbl})
{
local $, = "\n";
print "\n";
print map { &{$fnc}($_) } sort @{$tbl};
print "\n";
}
}
sub output_decls($$)
{
my ($tbl, $fnc) = @_;
if (keys %{$tbl})
{
local $, = "\n";
print "\n";
print map { &{$fnc}($_, $tbl->{$_}) } sort keys %{$tbl};
print "\n";
}
}
sub output_exacts($$)
{
my ($tbl, $fnc) = @_;
if (scalar @{$tbl})
{
local $, = "\n";
print "\n";
print map { &{$fnc}($_) } sort @{$tbl};
print "\n";
}
}
sub output_reuse($$)
{
my ($tbl, $fnc) = @_;
if (scalar @{$tbl})
{
local $, = "\n";
print "\n";
print map { &{$fnc}($_) } sort @{$tbl};
print "\n";
}
}
|
