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1 | #!/usr/bin/perl -w |
2 | ################################################################################ |
3 | # |
4 | # apicheck.pl -- generate C source for automated API check |
5 | # |
6 | ################################################################################ |
7 | # |
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8 | # $Revision: 19 $ |
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9 | # $Author: mhx $ |
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10 | # $Date: 2006/05/25 17:21:23 +0200 $ |
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11 | # |
12 | ################################################################################ |
13 | # |
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14 | # Version 3.x, Copyright (C) 2004-2006, Marcus Holland-Moritz. |
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15 | # Version 2.x, Copyright (C) 2001, Paul Marquess. |
16 | # Version 1.x, Copyright (C) 1999, Kenneth Albanowski. |
17 | # |
18 | # This program is free software; you can redistribute it and/or |
19 | # modify it under the same terms as Perl itself. |
20 | # |
21 | ################################################################################ |
22 | |
23 | use strict; |
24 | require 'parts/ppptools.pl'; |
25 | |
26 | if (@ARGV) { |
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27 | my $file = pop @ARGV; |
28 | open OUT, ">$file" or die "$file: $!\n"; |
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29 | } |
30 | else { |
31 | *OUT = \*STDOUT; |
32 | } |
33 | |
34 | my @f = parse_embed(qw( parts/embed.fnc parts/apidoc.fnc )); |
35 | |
36 | my %todo = %{&parse_todo}; |
37 | |
38 | my %tmap = ( |
39 | void => 'int', |
40 | ); |
41 | |
42 | my %amap = ( |
43 | SP => 'SP', |
44 | type => 'int', |
45 | cast => 'int', |
46 | ); |
47 | |
48 | my %void = ( |
49 | void => 1, |
50 | Free_t => 1, |
51 | Signal_t => 1, |
52 | ); |
53 | |
54 | my %castvoid = ( |
55 | map { ($_ => 1) } qw( |
56 | Nullav |
57 | Nullcv |
58 | Nullhv |
59 | Nullch |
60 | Nullsv |
61 | HEf_SVKEY |
62 | SP |
63 | MARK |
64 | SVt_PV |
65 | SVt_IV |
66 | SVt_NV |
67 | SVt_PVMG |
68 | SVt_PVAV |
69 | SVt_PVHV |
70 | SVt_PVCV |
71 | SvUOK |
72 | G_SCALAR |
73 | G_ARRAY |
74 | G_VOID |
75 | G_DISCARD |
76 | G_EVAL |
77 | G_NOARGS |
78 | XS_VERSION |
79 | ), |
80 | ); |
81 | |
82 | my %ignorerv = ( |
83 | map { ($_ => 1) } qw( |
84 | newCONSTSUB |
85 | ), |
86 | ); |
87 | |
88 | my %stack = ( |
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89 | ORIGMARK => ['dORIGMARK;'], |
90 | POPpx => ['STRLEN n_a;'], |
91 | POPpbytex => ['STRLEN n_a;'], |
92 | PUSHp => ['dTARG;'], |
93 | PUSHn => ['dTARG;'], |
94 | PUSHi => ['dTARG;'], |
95 | PUSHu => ['dTARG;'], |
96 | XPUSHp => ['dTARG;'], |
97 | XPUSHn => ['dTARG;'], |
98 | XPUSHi => ['dTARG;'], |
99 | XPUSHu => ['dTARG;'], |
100 | UNDERBAR => ['dUNDERBAR;'], |
101 | XCPT_TRY_START => ['dXCPT;'], |
102 | XCPT_TRY_END => ['dXCPT;'], |
103 | XCPT_CATCH => ['dXCPT;'], |
104 | XCPT_RETHROW => ['dXCPT;'], |
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105 | ); |
106 | |
107 | my %postcode = ( |
108 | dSP => "some_global_var = !sp;", |
109 | dMARK => "some_global_var = !mark;", |
110 | dORIGMARK => "some_global_var = !origmark;", |
111 | dAX => "some_global_var = !ax;", |
112 | dITEMS => "some_global_var = !items;", |
113 | dXSARGS => "some_global_var = ax && items;", |
114 | NEWSV => "some_global_var = !arg1;", |
115 | New => "some_global_var = !arg1;", |
116 | Newc => "some_global_var = !arg1;", |
117 | Newz => "some_global_var = !arg1;", |
118 | dUNDERBAR => "(void) UNDERBAR;", |
119 | ); |
120 | |
121 | my %ignore = ( |
122 | map { ($_ => 1) } qw( |
123 | svtype |
124 | items |
125 | ix |
126 | dXSI32 |
127 | XS |
128 | CLASS |
129 | THIS |
130 | RETVAL |
131 | StructCopy |
132 | ), |
133 | ); |
134 | |
135 | print OUT <<HEAD; |
136 | /* |
137 | * !!!!!!! DO NOT EDIT THIS FILE !!!!!!! |
138 | * This file is built by $0. |
139 | * Any changes made here will be lost! |
140 | */ |
141 | |
142 | #include "EXTERN.h" |
143 | #include "perl.h" |
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144 | |
145 | #define NO_XSLOCKS |
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146 | #include "XSUB.h" |
147 | |
148 | #ifndef DPPP_APICHECK_NO_PPPORT_H |
149 | |
150 | #define NEED_eval_pv |
151 | #define NEED_grok_bin |
152 | #define NEED_grok_hex |
153 | #define NEED_grok_number |
154 | #define NEED_grok_numeric_radix |
155 | #define NEED_grok_oct |
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156 | #define NEED_my_snprintf |
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157 | #define NEED_newCONSTSUB |
158 | #define NEED_newRV_noinc |
159 | #define NEED_sv_2pv_nolen |
160 | #define NEED_sv_2pvbyte |
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161 | #define NEED_sv_catpvf_mg |
162 | #define NEED_sv_catpvf_mg_nocontext |
163 | #define NEED_sv_setpvf_mg |
164 | #define NEED_sv_setpvf_mg_nocontext |
165 | #define NEED_vnewSVpvf |
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166 | #define NEED_warner |
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167 | |
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168 | |
169 | #include "ppport.h" |
170 | |
171 | #endif |
172 | |
173 | static int some_global_var; |
174 | |
175 | static int VARarg1; |
176 | static char *VARarg2; |
177 | static double VARarg3; |
178 | |
179 | HEAD |
180 | |
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181 | if (@ARGV) { |
182 | my %want = map { ($_ => 0) } @ARGV; |
183 | @f = grep { exists $want{$_->{name}} } @f; |
184 | for (@f) { $want{$_->{name}}++ } |
185 | for (keys %want) { |
186 | die "nothing found for '$_'\n" unless $want{$_}; |
187 | } |
188 | } |
189 | |
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190 | my $f; |
191 | for $f (@f) { |
192 | $ignore{$f->{name}} and next; |
193 | $f->{flags}{A} or next; # only public API members |
194 | |
195 | $ignore{$f->{name}} = 1; # ignore duplicates |
196 | |
197 | my $Perl_ = $f->{flags}{p} ? 'Perl_' : ''; |
198 | |
199 | my $stack = ''; |
200 | my @arg; |
201 | my $aTHX = ''; |
202 | |
203 | my $i = 1; |
204 | my $ca; |
205 | my $varargs = 0; |
206 | for $ca (@{$f->{args}}) { |
207 | my $a = $ca->[0]; |
208 | if ($a eq '...') { |
209 | $varargs = 1; |
210 | push @arg, qw(VARarg1 VARarg2 VARarg3); |
211 | last; |
212 | } |
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213 | my($n, $p, $d) = $a =~ /^ (\w+(?:\s+\w+)*)\s* # type name => $n |
214 | (\**) # pointer => $p |
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215 | (?:\s*const\s*)? # const |
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216 | ((?:\[[^\]]*\])*) # dimension => $d |
217 | $/x |
218 | or die "$0 - cannot parse argument: [$a]\n"; |
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219 | if (exists $amap{$n}) { |
220 | push @arg, $amap{$n}; |
221 | next; |
222 | } |
223 | $n = $tmap{$n} || $n; |
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224 | if ($n eq 'const char' and $p eq '*' and !$f->{flags}{f}) { |
225 | push @arg, '"foo"'; |
226 | } |
227 | else { |
228 | my $v = 'arg' . $i++; |
229 | push @arg, $v; |
230 | $stack .= " static $n $p$v$d;\n"; |
231 | } |
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232 | } |
233 | |
234 | unless ($f->{flags}{n} || $f->{flags}{'m'}) { |
235 | $stack = " dTHX;\n$stack"; |
236 | $aTHX = @arg ? 'aTHX_ ' : 'aTHX'; |
237 | } |
238 | |
239 | if ($stack{$f->{name}}) { |
240 | my $s = ''; |
241 | for (@{$stack{$f->{name}}}) { |
242 | $s .= " $_\n"; |
243 | } |
244 | $stack = "$s$stack"; |
245 | } |
246 | |
247 | my $args = join ', ', @arg; |
248 | my $rvt = $f->{ret} || 'void'; |
249 | my $ret; |
250 | if ($void{$rvt}) { |
251 | $ret = $castvoid{$f->{name}} ? '(void) ' : ''; |
252 | } |
253 | else { |
254 | $ret = $ignorerv{$f->{name}} ? '(void) ' : "return "; |
255 | } |
256 | my $aTHX_args = "$aTHX$args"; |
257 | |
258 | my $post = ''; |
259 | if ($postcode{$f->{name}}) { |
260 | $post = $postcode{$f->{name}}; |
261 | $post =~ s/^/ /g; |
262 | $post = "\n$post"; |
263 | } |
264 | |
265 | unless ($f->{flags}{'m'} and @arg == 0) { |
266 | $args = "($args)"; |
267 | $aTHX_args = "($aTHX_args)"; |
268 | } |
269 | |
270 | print OUT <<HEAD; |
271 | /****************************************************************************** |
272 | * |
273 | * $f->{name} |
274 | * |
275 | ******************************************************************************/ |
276 | |
277 | HEAD |
278 | |
279 | if ($todo{$f->{name}}) { |
280 | my($ver,$sub) = $todo{$f->{name}} =~ /^5\.(\d{3})(\d{3})$/ or die; |
281 | for ($ver, $sub) { |
282 | s/^0+(\d)/$1/ |
283 | } |
284 | if ($ver < 6 && $sub > 0) { |
285 | $sub =~ s/0$// or die; |
286 | } |
287 | print OUT "#if PERL_VERSION > $ver || (PERL_VERSION == $ver && PERL_SUBVERSION >= $sub) /* TODO */\n"; |
288 | } |
289 | |
290 | my $final = $varargs |
291 | ? "$Perl_$f->{name}$aTHX_args" |
292 | : "$f->{name}$args"; |
293 | |
294 | $f->{cond} and print OUT "#if $f->{cond}\n"; |
295 | |
296 | print OUT <<END; |
297 | $rvt _DPPP_test_$f->{name} (void) |
298 | { |
299 | dXSARGS; |
300 | $stack |
301 | #ifdef $f->{name} |
302 | if (some_global_var) |
303 | { |
304 | $ret$f->{name}$args;$post |
305 | } |
306 | #endif |
307 | |
308 | some_global_var = items && ax; |
309 | |
310 | { |
311 | #ifdef $f->{name} |
312 | $ret$final;$post |
313 | #else |
314 | $ret$Perl_$f->{name}$aTHX_args;$post |
315 | #endif |
316 | } |
317 | } |
318 | END |
319 | |
320 | $f->{cond} and print OUT "#endif\n"; |
321 | $todo{$f->{name}} and print OUT "#endif\n"; |
322 | |
323 | print OUT "\n"; |
324 | } |
325 | |
326 | @ARGV and close OUT; |
327 | |