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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: 16 $ |
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9 | # $Author: mhx $ |
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10 | # $Date: 2006/05/19 16:15:51 +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) { |
27 | open OUT, ">$ARGV[0]" or die "$ARGV[0]: $!\n"; |
28 | } |
29 | else { |
30 | *OUT = \*STDOUT; |
31 | } |
32 | |
33 | my @f = parse_embed(qw( parts/embed.fnc parts/apidoc.fnc )); |
34 | |
35 | my %todo = %{&parse_todo}; |
36 | |
37 | my %tmap = ( |
38 | void => 'int', |
39 | ); |
40 | |
41 | my %amap = ( |
42 | SP => 'SP', |
43 | type => 'int', |
44 | cast => 'int', |
45 | ); |
46 | |
47 | my %void = ( |
48 | void => 1, |
49 | Free_t => 1, |
50 | Signal_t => 1, |
51 | ); |
52 | |
53 | my %castvoid = ( |
54 | map { ($_ => 1) } qw( |
55 | Nullav |
56 | Nullcv |
57 | Nullhv |
58 | Nullch |
59 | Nullsv |
60 | HEf_SVKEY |
61 | SP |
62 | MARK |
63 | SVt_PV |
64 | SVt_IV |
65 | SVt_NV |
66 | SVt_PVMG |
67 | SVt_PVAV |
68 | SVt_PVHV |
69 | SVt_PVCV |
70 | SvUOK |
71 | G_SCALAR |
72 | G_ARRAY |
73 | G_VOID |
74 | G_DISCARD |
75 | G_EVAL |
76 | G_NOARGS |
77 | XS_VERSION |
78 | ), |
79 | ); |
80 | |
81 | my %ignorerv = ( |
82 | map { ($_ => 1) } qw( |
83 | newCONSTSUB |
84 | ), |
85 | ); |
86 | |
87 | my %stack = ( |
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88 | ORIGMARK => ['dORIGMARK;'], |
89 | POPpx => ['STRLEN n_a;'], |
90 | POPpbytex => ['STRLEN n_a;'], |
91 | PUSHp => ['dTARG;'], |
92 | PUSHn => ['dTARG;'], |
93 | PUSHi => ['dTARG;'], |
94 | PUSHu => ['dTARG;'], |
95 | XPUSHp => ['dTARG;'], |
96 | XPUSHn => ['dTARG;'], |
97 | XPUSHi => ['dTARG;'], |
98 | XPUSHu => ['dTARG;'], |
99 | UNDERBAR => ['dUNDERBAR;'], |
100 | XCPT_TRY_START => ['dXCPT;'], |
101 | XCPT_TRY_END => ['dXCPT;'], |
102 | XCPT_CATCH => ['dXCPT;'], |
103 | XCPT_RETHROW => ['dXCPT;'], |
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104 | ); |
105 | |
106 | my %postcode = ( |
107 | dSP => "some_global_var = !sp;", |
108 | dMARK => "some_global_var = !mark;", |
109 | dORIGMARK => "some_global_var = !origmark;", |
110 | dAX => "some_global_var = !ax;", |
111 | dITEMS => "some_global_var = !items;", |
112 | dXSARGS => "some_global_var = ax && items;", |
113 | NEWSV => "some_global_var = !arg1;", |
114 | New => "some_global_var = !arg1;", |
115 | Newc => "some_global_var = !arg1;", |
116 | Newz => "some_global_var = !arg1;", |
117 | dUNDERBAR => "(void) UNDERBAR;", |
118 | ); |
119 | |
120 | my %ignore = ( |
121 | map { ($_ => 1) } qw( |
122 | svtype |
123 | items |
124 | ix |
125 | dXSI32 |
126 | XS |
127 | CLASS |
128 | THIS |
129 | RETVAL |
130 | StructCopy |
131 | ), |
132 | ); |
133 | |
134 | print OUT <<HEAD; |
135 | /* |
136 | * !!!!!!! DO NOT EDIT THIS FILE !!!!!!! |
137 | * This file is built by $0. |
138 | * Any changes made here will be lost! |
139 | */ |
140 | |
141 | #include "EXTERN.h" |
142 | #include "perl.h" |
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143 | |
144 | #define NO_XSLOCKS |
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145 | #include "XSUB.h" |
146 | |
147 | #ifndef DPPP_APICHECK_NO_PPPORT_H |
148 | |
149 | #define NEED_eval_pv |
150 | #define NEED_grok_bin |
151 | #define NEED_grok_hex |
152 | #define NEED_grok_number |
153 | #define NEED_grok_numeric_radix |
154 | #define NEED_grok_oct |
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155 | #define NEED_my_snprintf |
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156 | #define NEED_newCONSTSUB |
157 | #define NEED_newRV_noinc |
158 | #define NEED_sv_2pv_nolen |
159 | #define NEED_sv_2pvbyte |
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160 | #define NEED_sv_catpvf_mg |
161 | #define NEED_sv_catpvf_mg_nocontext |
162 | #define NEED_sv_setpvf_mg |
163 | #define NEED_sv_setpvf_mg_nocontext |
164 | #define NEED_vnewSVpvf |
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165 | #define NEED_warner |
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166 | |
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167 | |
168 | #include "ppport.h" |
169 | |
170 | #endif |
171 | |
172 | static int some_global_var; |
173 | |
174 | static int VARarg1; |
175 | static char *VARarg2; |
176 | static double VARarg3; |
177 | |
178 | HEAD |
179 | |
180 | my $f; |
181 | for $f (@f) { |
182 | $ignore{$f->{name}} and next; |
183 | $f->{flags}{A} or next; # only public API members |
184 | |
185 | $ignore{$f->{name}} = 1; # ignore duplicates |
186 | |
187 | my $Perl_ = $f->{flags}{p} ? 'Perl_' : ''; |
188 | |
189 | my $stack = ''; |
190 | my @arg; |
191 | my $aTHX = ''; |
192 | |
193 | my $i = 1; |
194 | my $ca; |
195 | my $varargs = 0; |
196 | for $ca (@{$f->{args}}) { |
197 | my $a = $ca->[0]; |
198 | if ($a eq '...') { |
199 | $varargs = 1; |
200 | push @arg, qw(VARarg1 VARarg2 VARarg3); |
201 | last; |
202 | } |
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203 | my($n, $p, $d) = $a =~ /^ (\w+(?:\s+\w+)*)\s* # type name => $n |
204 | (\**) # pointer => $p |
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205 | (?:\s*const\s*)? # const |
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206 | ((?:\[[^\]]*\])*) # dimension => $d |
207 | $/x |
208 | or die "$0 - cannot parse argument: [$a]\n"; |
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209 | if (exists $amap{$n}) { |
210 | push @arg, $amap{$n}; |
211 | next; |
212 | } |
213 | $n = $tmap{$n} || $n; |
214 | my $v = 'arg' . $i++; |
215 | push @arg, $v; |
216 | $stack .= " static $n $p$v$d;\n"; |
217 | } |
218 | |
219 | unless ($f->{flags}{n} || $f->{flags}{'m'}) { |
220 | $stack = " dTHX;\n$stack"; |
221 | $aTHX = @arg ? 'aTHX_ ' : 'aTHX'; |
222 | } |
223 | |
224 | if ($stack{$f->{name}}) { |
225 | my $s = ''; |
226 | for (@{$stack{$f->{name}}}) { |
227 | $s .= " $_\n"; |
228 | } |
229 | $stack = "$s$stack"; |
230 | } |
231 | |
232 | my $args = join ', ', @arg; |
233 | my $rvt = $f->{ret} || 'void'; |
234 | my $ret; |
235 | if ($void{$rvt}) { |
236 | $ret = $castvoid{$f->{name}} ? '(void) ' : ''; |
237 | } |
238 | else { |
239 | $ret = $ignorerv{$f->{name}} ? '(void) ' : "return "; |
240 | } |
241 | my $aTHX_args = "$aTHX$args"; |
242 | |
243 | my $post = ''; |
244 | if ($postcode{$f->{name}}) { |
245 | $post = $postcode{$f->{name}}; |
246 | $post =~ s/^/ /g; |
247 | $post = "\n$post"; |
248 | } |
249 | |
250 | unless ($f->{flags}{'m'} and @arg == 0) { |
251 | $args = "($args)"; |
252 | $aTHX_args = "($aTHX_args)"; |
253 | } |
254 | |
255 | print OUT <<HEAD; |
256 | /****************************************************************************** |
257 | * |
258 | * $f->{name} |
259 | * |
260 | ******************************************************************************/ |
261 | |
262 | HEAD |
263 | |
264 | if ($todo{$f->{name}}) { |
265 | my($ver,$sub) = $todo{$f->{name}} =~ /^5\.(\d{3})(\d{3})$/ or die; |
266 | for ($ver, $sub) { |
267 | s/^0+(\d)/$1/ |
268 | } |
269 | if ($ver < 6 && $sub > 0) { |
270 | $sub =~ s/0$// or die; |
271 | } |
272 | print OUT "#if PERL_VERSION > $ver || (PERL_VERSION == $ver && PERL_SUBVERSION >= $sub) /* TODO */\n"; |
273 | } |
274 | |
275 | my $final = $varargs |
276 | ? "$Perl_$f->{name}$aTHX_args" |
277 | : "$f->{name}$args"; |
278 | |
279 | $f->{cond} and print OUT "#if $f->{cond}\n"; |
280 | |
281 | print OUT <<END; |
282 | $rvt _DPPP_test_$f->{name} (void) |
283 | { |
284 | dXSARGS; |
285 | $stack |
286 | #ifdef $f->{name} |
287 | if (some_global_var) |
288 | { |
289 | $ret$f->{name}$args;$post |
290 | } |
291 | #endif |
292 | |
293 | some_global_var = items && ax; |
294 | |
295 | { |
296 | #ifdef $f->{name} |
297 | $ret$final;$post |
298 | #else |
299 | $ret$Perl_$f->{name}$aTHX_args;$post |
300 | #endif |
301 | } |
302 | } |
303 | END |
304 | |
305 | $f->{cond} and print OUT "#endif\n"; |
306 | $todo{$f->{name}} and print OUT "#endif\n"; |
307 | |
308 | print OUT "\n"; |
309 | } |
310 | |
311 | @ARGV and close OUT; |
312 | |