source: vendor/current/source4/heimdal/cf/make-proto.pl@ 740

Last change on this file since 740 was 740, checked in by Silvan Scherrer, 12 years ago

Samba Server: update vendor to 3.6.0

File size: 6.9 KB
Line 
1# Make prototypes from .c files
2# $Id$
3
4##use Getopt::Std;
5require 'getopts.pl';
6
7my $comment = 0;
8my $if_0 = 0;
9my $brace = 0;
10my $line = "";
11my $debug = 0;
12my $oproto = 1;
13my $private_func_re = "^_";
14
15Getopts('x:m:o:p:dqE:R:P:') || die "foo";
16
17if($opt_d) {
18 $debug = 1;
19}
20
21if($opt_q) {
22 $oproto = 0;
23}
24
25if($opt_R) {
26 $private_func_re = $opt_R;
27}
28%flags = (
29 'multiline-proto' => 1,
30 'header' => 1,
31 'function-blocking' => 0,
32 'gnuc-attribute' => 1,
33 'cxx' => 1
34 );
35if($opt_m) {
36 foreach $i (split(/,/, $opt_m)) {
37 if($i eq "roken") {
38 $flags{"multiline-proto"} = 0;
39 $flags{"header"} = 0;
40 $flags{"function-blocking"} = 0;
41 $flags{"gnuc-attribute"} = 0;
42 $flags{"cxx"} = 0;
43 } else {
44 if(substr($i, 0, 3) eq "no-") {
45 $flags{substr($i, 3)} = 0;
46 } else {
47 $flags{$i} = 1;
48 }
49 }
50 }
51}
52
53if($opt_x) {
54 open(EXP, $opt_x);
55 while(<EXP>) {
56 chomp;
57 s/\#.*//g;
58 s/\s+/ /g;
59 if(/^([a-zA-Z0-9_]+)\s?(.*)$/) {
60 $exported{$1} = $2;
61 } else {
62 print $_, "\n";
63 }
64 }
65 close EXP;
66}
67
68while(<>) {
69 print $brace, " ", $_ if($debug);
70
71 # Handle C comments
72 s@/\*.*\*/@@;
73 s@//.*/@@;
74 if ( s@/\*.*@@) { $comment = 1;
75 } elsif ($comment && s@.*\*/@@) { $comment = 0;
76 } elsif ($comment) { next; }
77
78 if(/^\#if 0/) {
79 $if_0 = 1;
80 }
81 if($if_0 && /^\#endif/) {
82 $if_0 = 0;
83 }
84 if($if_0) { next }
85 if(/^\s*\#/) {
86 next;
87 }
88 if(/^\s*$/) {
89 $line = "";
90 next;
91 }
92 if(/\{/){
93 if (!/\}/) {
94 $brace++;
95 }
96 $_ = $line;
97 while(s/\*\//\ca/){
98 s/\/\*(.|\n)*\ca//;
99 }
100 s/^\s*//;
101 s/\s*$//;
102 s/\s+/ /g;
103 if($_ =~ /\)$/ or $_ =~ /DEPRECATED$/){
104 if(!/^static/ && !/^PRIVATE/){
105 $attr = "";
106 if(m/(.*)(__attribute__\s?\(.*\))/) {
107 $attr .= " $2";
108 $_ = $1;
109 }
110 if(m/(.*)\s(\w+DEPRECATED)/) {
111 $attr .= " $2";
112 $_ = $1;
113 }
114 # remove outer ()
115 s/\s*\(/</;
116 s/\)\s?$/>/;
117 # remove , within ()
118 while(s/\(([^()]*),(.*)\)/($1\$$2)/g){}
119 s/\<\s*void\s*\>/<>/;
120 # remove parameter names
121 if($opt_P eq "remove") {
122 s/(\s*)([a-zA-Z0-9_]+)([,>])/$3/g;
123 s/\s+\*/*/g;
124 s/\(\*(\s*)([a-zA-Z0-9_]+)\)/(*)/g;
125 } elsif($opt_P eq "comment") {
126 s/([a-zA-Z0-9_]+)([,>])/\/\*$1\*\/$2/g;
127 s/\(\*([a-zA-Z0-9_]+)\)/(*\/\*$1\*\/)/g;
128 }
129 s/\<\>/<void>/;
130 # add newlines before parameters
131 if($flags{"multiline-proto"}) {
132 s/,\s*/,\n\t/g;
133 } else {
134 s/,\s*/, /g;
135 }
136 # fix removed ,
137 s/\$/,/g;
138 # match function name
139 /([a-zA-Z0-9_]+)\s*\</;
140 $f = $1;
141 if($oproto) {
142 $LP = "__P((";
143 $RP = "))";
144 } else {
145 $LP = "(";
146 $RP = ")";
147 }
148 # only add newline if more than one parameter
149 if($flags{"multiline-proto"} && /,/){
150 s/\</ $LP\n\t/;
151 }else{
152 s/\</ $LP/;
153 }
154 s/\>/$RP/;
155 # insert newline before function name
156 if($flags{"multiline-proto"}) {
157 s/(.*)\s([a-zA-Z0-9_]+ \Q$LP\E)/$1\n$2/;
158 }
159 if($attr ne "") {
160 $_ .= "\n $attr";
161 }
162 $_ = $_ . ";";
163 $funcs{$f} = $_;
164 }
165 }
166 $line = "";
167 }
168 if(/\}/){
169 $brace--;
170 }
171 if(/^\}/){
172 $brace = 0;
173 }
174 if($brace == 0) {
175 $line = $line . " " . $_;
176 }
177}
178
179sub foo {
180 local ($arg) = @_;
181 $_ = $arg;
182 s/.*\/([^\/]*)/$1/;
183 s/.*\\([^\\]*)/$1/;
184 s/[^a-zA-Z0-9]/_/g;
185 "__" . $_ . "__";
186}
187
188if($opt_o) {
189 open(OUT, ">$opt_o");
190 $block = &foo($opt_o);
191} else {
192 $block = "__public_h__";
193}
194
195if($opt_p) {
196 open(PRIV, ">$opt_p");
197 $private = &foo($opt_p);
198} else {
199 $private = "__private_h__";
200}
201
202$public_h = "";
203$private_h = "";
204
205$public_h_header .= "/* This is a generated file */
206#ifndef $block
207#define $block
208
209";
210if ($oproto) {
211 $public_h_header .= "#ifdef __STDC__
212#include <stdarg.h>
213#ifndef __P
214#define __P(x) x
215#endif
216#else
217#ifndef __P
218#define __P(x) ()
219#endif
220#endif
221
222";
223} else {
224 $public_h_header .= "#include <stdarg.h>
225
226";
227}
228$public_h_trailer = "";
229
230$private_h_header = "/* This is a generated file */
231#ifndef $private
232#define $private
233
234";
235if($oproto) {
236 $private_h_header .= "#ifdef __STDC__
237#include <stdarg.h>
238#ifndef __P
239#define __P(x) x
240#endif
241#else
242#ifndef __P
243#define __P(x) ()
244#endif
245#endif
246
247";
248} else {
249 $private_h_header .= "#include <stdarg.h>
250
251";
252}
253$private_h_trailer = "";
254
255foreach(sort keys %funcs){
256 if(/^(main)$/) { next }
257 if ($funcs{$_} =~ /\^/) {
258 $beginblock = "#ifdef __BLOCKS__\n";
259 $endblock = "#endif /* __BLOCKS__ */\n";
260 } else {
261 $beginblock = $endblock = "";
262 }
263 if(!defined($exported{$_}) && /$private_func_re/) {
264 $private_h .= $beginblock . $funcs{$_} . "\n" . $endblock . "\n";
265 if($funcs{$_} =~ /__attribute__/) {
266 $private_attribute_seen = 1;
267 }
268 } else {
269 if($flags{"function-blocking"}) {
270 $fupper = uc $_;
271 if($exported{$_} =~ /proto/) {
272 $public_h .= "#if !defined(HAVE_$fupper) || defined(NEED_${fupper}_PROTO)\n";
273 } else {
274 $public_h .= "#ifndef HAVE_$fupper\n";
275 }
276 }
277 $public_h .= $beginblock . $funcs{$_} . "\n" . $endblock;
278 if($funcs{$_} =~ /__attribute__/) {
279 $public_attribute_seen = 1;
280 }
281 if($flags{"function-blocking"}) {
282 $public_h .= "#endif\n";
283 }
284 $public_h .= "\n";
285 }
286}
287
288if($flags{"gnuc-attribute"}) {
289 if ($public_attribute_seen) {
290 $public_h_header .= "#if !defined(__GNUC__) && !defined(__attribute__)
291#define __attribute__(x)
292#endif
293
294";
295 }
296
297 if ($private_attribute_seen) {
298 $private_h_header .= "#if !defined(__GNUC__) && !defined(__attribute__)
299#define __attribute__(x)
300#endif
301
302";
303 }
304}
305if($flags{"cxx"}) {
306 $public_h_header .= "#ifdef __cplusplus
307extern \"C\" {
308#endif
309
310";
311 $public_h_trailer .= "#ifdef __cplusplus
312}
313#endif
314
315";
316
317}
318if ($opt_E) {
319 $public_h_header .= "#ifndef $opt_E
320#ifndef ${opt_E}_FUNCTION
321#if defined(_WIN32)
322#define ${opt_E}_FUNCTION __declspec(dllimport)
323#define ${opt_E}_CALL __stdcall
324#define ${opt_E}_VARIABLE __declspec(dllimport)
325#else
326#define ${opt_E}_FUNCTION
327#define ${opt_E}_CALL
328#define ${opt_E}_VARIABLE
329#endif
330#endif
331#endif
332";
333
334 $private_h_header .= "#ifndef $opt_E
335#ifndef ${opt_E}_FUNCTION
336#if defined(_WIN32)
337#define ${opt_E}_FUNCTION __declspec(dllimport)
338#define ${opt_E}_CALL __stdcall
339#define ${opt_E}_VARIABLE __declspec(dllimport)
340#else
341#define ${opt_E}_FUNCTION
342#define ${opt_E}_CALL
343#define ${opt_E}_VARIABLE
344#endif
345#endif
346#endif
347
348";
349}
350
351if ($public_h ne "" && $flags{"header"}) {
352 $public_h = $public_h_header . $public_h .
353 $public_h_trailer . "#endif /* $block */\n";
354}
355if ($private_h ne "" && $flags{"header"}) {
356 $private_h = $private_h_header . $private_h .
357 $private_h_trailer . "#endif /* $private */\n";
358}
359
360if($opt_o) {
361 print OUT $public_h;
362}
363if($opt_p) {
364 print PRIV $private_h;
365}
366
367close OUT;
368close PRIV;
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