Commit | Line | Data |
---|---|---|
eada5d41 | 1 | #!/usr/bin/perl -w |
f133ac5d | 2 | # |
6294c161 DM |
3 | # Regenerate (overwriting only if changed): |
4 | # | |
f133ac5d | 5 | # keywords.h keywords.c |
6294c161 DM |
6 | # |
7 | # from information stored in the DATA section of this file. | |
8 | # | |
9 | # Accepts the standard regen_lib -q and -v args. | |
6294c161 | 10 | |
eada5d41 | 11 | use strict; |
f133ac5d | 12 | use Devel::Tokenizer::C 0.05; |
a0d0e21e | 13 | |
3d7c117d | 14 | require './regen/regen_lib.pl'; |
b6b9a099 | 15 | |
cc49830d NC |
16 | my $h = open_new('keywords.h', '>', |
17 | { by => 'regen/keywords.pl', from => 'its data', | |
18 | file => 'keywords.h', style => '*', | |
19 | copyright => [1994 .. 1997, 1999 .. 2002, 2005 .. 2007]}); | |
20 | my $c = open_new('keywords.c', '>', | |
21 | { by => 'regen/keywords.pl', from => 'its data', style => '*'}); | |
d6376244 | 22 | |
f133ac5d | 23 | my %by_strength; |
a0d0e21e | 24 | |
eada5d41 | 25 | my $keynum = 0; |
a0d0e21e LW |
26 | while (<DATA>) { |
27 | chop; | |
28 | next unless $_; | |
29 | next if /^#/; | |
f133ac5d NC |
30 | my ($strength, $keyword) = /^([- +])([A-Z_a-z2]+)/; |
31 | die "Bad line '$_'" unless defined $strength; | |
32 | print $h tab(5, "#define KEY_$keyword"), $keynum++, "\n"; | |
33 | push @{$by_strength{$strength}}, $keyword; | |
a0d0e21e LW |
34 | } |
35 | ||
e36901c8 | 36 | # If this hash changes, make sure the equivalent hash in |
9c096387 | 37 | # lib/B/Deparse.pm (%feature_keywords) is also updated. |
f133ac5d | 38 | my %feature_kw = ( |
9c096387 LM |
39 | state => 'state', |
40 | say => 'say', | |
41 | given => 'switch', | |
42 | when => 'switch', | |
43 | default => 'switch', | |
44 | # continue is already a keyword | |
45 | break => 'switch', | |
46 | evalbytes => 'evalbytes', | |
47 | __SUB__ => '__SUB__', | |
48 | fc => 'fc', | |
49 | ); | |
f133ac5d NC |
50 | |
51 | my %pos = map { ($_ => 1) } @{$by_strength{'+'}}; | |
52 | ||
53 | my $t = Devel::Tokenizer::C->new(TokenFunc => \&perl_keyword, | |
54 | TokenString => 'name', | |
55 | StringLength => 'len', | |
56 | MergeSwitches => 1, | |
57 | ); | |
58 | ||
59 | $t->add_tokens(@{$by_strength{'+'}}, @{$by_strength{'-'}}, 'elseif'); | |
60 | ||
61 | my $switch = $t->generate(Indent => ' '); | |
62 | ||
63 | print $c <<"END"; | |
64 | #include "EXTERN.h" | |
65 | #define PERL_IN_KEYWORDS_C | |
66 | #include "perl.h" | |
67 | #include "keywords.h" | |
2846acbf | 68 | #include "feature.h" |
f133ac5d NC |
69 | |
70 | I32 | |
71 | Perl_keyword (pTHX_ const char *name, I32 len, bool all_keywords) | |
72 | { | |
f133ac5d NC |
73 | PERL_ARGS_ASSERT_KEYWORD; |
74 | ||
75 | $switch | |
76 | unknown: | |
77 | return 0; | |
78 | } | |
79 | END | |
80 | ||
81 | sub perl_keyword | |
82 | { | |
83 | my $k = shift; | |
84 | my $sign = $pos{$k} ? '' : '-'; | |
85 | ||
86 | if ($k eq 'elseif') { | |
87 | return <<END; | |
88 | Perl_ck_warner_d(aTHX_ packWARN(WARN_SYNTAX), "elseif should be elsif"); | |
89 | END | |
90 | } | |
91 | elsif (my $feature = $feature_kw{$k}) { | |
92 | $feature =~ s/([\\"])/\\$1/g; | |
93 | return <<END; | |
2846acbf | 94 | return (all_keywords || FEATURE_\U$feature\E_IS_ENABLED ? ${sign}KEY_$k : 0); |
f133ac5d NC |
95 | END |
96 | } | |
97 | return <<END; | |
98 | return ${sign}KEY_$k; | |
a0d0e21e | 99 | END |
f133ac5d NC |
100 | } |
101 | ||
102 | read_only_bottom_close_and_rename($_, [$0]) foreach $c, $h; | |
103 | ||
c2f605db FC |
104 | |
105 | # coresub_op in op.c expects __FILE__, __LINE__ and __PACKAGE__ to be the | |
106 | # first three. | |
107 | ||
f133ac5d NC |
108 | __END__ |
109 | ||
110 | NULL | |
111 | -__FILE__ | |
112 | -__LINE__ | |
113 | -__PACKAGE__ | |
114 | +__DATA__ | |
115 | +__END__ | |
84ed0108 | 116 | -__SUB__ |
f133ac5d NC |
117 | +AUTOLOAD |
118 | +BEGIN | |
119 | +UNITCHECK | |
f133ac5d NC |
120 | +DESTROY |
121 | +END | |
122 | +INIT | |
123 | +CHECK | |
124 | -abs | |
125 | -accept | |
126 | -alarm | |
127 | -and | |
128 | -atan2 | |
129 | -bind | |
130 | -binmode | |
131 | -bless | |
132 | -break | |
133 | -caller | |
134 | -chdir | |
135 | -chmod | |
136 | -chomp | |
137 | -chop | |
138 | -chown | |
139 | -chr | |
140 | -chroot | |
141 | -close | |
142 | -closedir | |
143 | -cmp | |
144 | -connect | |
145 | -continue | |
146 | -cos | |
147 | -crypt | |
148 | -dbmclose | |
149 | -dbmopen | |
150 | +default | |
151 | +defined | |
152 | +delete | |
153 | -die | |
154 | +do | |
155 | -dump | |
156 | -each | |
157 | +else | |
158 | +elsif | |
159 | -endgrent | |
160 | -endhostent | |
161 | -endnetent | |
162 | -endprotoent | |
163 | -endpwent | |
164 | -endservent | |
165 | -eof | |
166 | -eq | |
167 | +eval | |
7d789282 | 168 | -evalbytes |
f133ac5d NC |
169 | -exec |
170 | +exists | |
171 | -exit | |
172 | -exp | |
838f2281 | 173 | -fc |
f133ac5d NC |
174 | -fcntl |
175 | -fileno | |
176 | -flock | |
177 | +for | |
178 | +foreach | |
179 | -fork | |
180 | +format | |
181 | -formline | |
182 | -ge | |
183 | -getc | |
184 | -getgrent | |
185 | -getgrgid | |
186 | -getgrnam | |
187 | -gethostbyaddr | |
188 | -gethostbyname | |
189 | -gethostent | |
190 | -getlogin | |
191 | -getnetbyaddr | |
192 | -getnetbyname | |
193 | -getnetent | |
194 | -getpeername | |
195 | -getpgrp | |
196 | -getppid | |
197 | -getpriority | |
198 | -getprotobyname | |
199 | -getprotobynumber | |
200 | -getprotoent | |
201 | -getpwent | |
202 | -getpwnam | |
203 | -getpwuid | |
204 | -getservbyname | |
205 | -getservbyport | |
206 | -getservent | |
207 | -getsockname | |
208 | -getsockopt | |
209 | +given | |
210 | +glob | |
211 | -gmtime | |
212 | +goto | |
213 | +grep | |
214 | -gt | |
215 | -hex | |
216 | +if | |
217 | -index | |
218 | -int | |
219 | -ioctl | |
220 | -join | |
221 | -keys | |
222 | -kill | |
223 | +last | |
224 | -lc | |
225 | -lcfirst | |
226 | -le | |
227 | -length | |
228 | -link | |
229 | -listen | |
230 | +local | |
231 | -localtime | |
232 | -lock | |
233 | -log | |
234 | -lstat | |
235 | -lt | |
236 | +m | |
237 | +map | |
238 | -mkdir | |
239 | -msgctl | |
240 | -msgget | |
241 | -msgrcv | |
242 | -msgsnd | |
243 | +my | |
244 | -ne | |
245 | +next | |
246 | +no | |
247 | -not | |
248 | -oct | |
249 | -open | |
250 | -opendir | |
251 | -or | |
252 | -ord | |
253 | +our | |
254 | -pack | |
255 | +package | |
256 | -pipe | |
257 | -pop | |
258 | +pos | |
259 | ||
260 | +printf | |
261 | +prototype | |
262 | -push | |
263 | +q | |
264 | ||
265 | +qr | |
266 | -quotemeta | |
267 | +qw | |
268 | +qx | |
269 | -rand | |
270 | -read | |
271 | -readdir | |
272 | -readline | |
273 | -readlink | |
274 | -readpipe | |
275 | -recv | |
276 | +redo | |
277 | -ref | |
278 | -rename | |
279 | +require | |
280 | -reset | |
281 | +return | |
282 | -reverse | |
283 | -rewinddir | |
284 | -rindex | |
285 | -rmdir | |
286 | +s | |
287 | +say | |
288 | +scalar | |
289 | -seek | |
290 | -seekdir | |
291 | -select | |
292 | -semctl | |
293 | -semget | |
294 | -semop | |
295 | -send | |
296 | -setgrent | |
297 | -sethostent | |
298 | -setnetent | |
299 | -setpgrp | |
300 | -setpriority | |
301 | -setprotoent | |
302 | -setpwent | |
303 | -setservent | |
304 | -setsockopt | |
305 | -shift | |
306 | -shmctl | |
307 | -shmget | |
308 | -shmread | |
309 | -shmwrite | |
310 | -shutdown | |
311 | -sin | |
312 | -sleep | |
313 | -socket | |
314 | -socketpair | |
315 | +sort | |
316 | -splice | |
317 | +split | |
318 | -sprintf | |
319 | -sqrt | |
320 | -srand | |
321 | -stat | |
322 | +state | |
323 | +study | |
324 | +sub | |
325 | -substr | |
326 | -symlink | |
327 | -syscall | |
328 | -sysopen | |
329 | -sysread | |
330 | -sysseek | |
331 | -system | |
332 | -syswrite | |
333 | -tell | |
334 | -telldir | |
335 | -tie | |
336 | -tied | |
337 | -time | |
338 | -times | |
339 | +tr | |
340 | -truncate | |
341 | -uc | |
342 | -ucfirst | |
343 | -umask | |
344 | +undef | |
345 | +unless | |
346 | -unlink | |
347 | -unpack | |
348 | -unshift | |
349 | -untie | |
350 | +until | |
351 | +use | |
352 | -utime | |
353 | -values | |
354 | -vec | |
355 | -wait | |
356 | -waitpid | |
357 | -wantarray | |
358 | -warn | |
359 | +when | |
360 | +while | |
361 | -write | |
362 | -x | |
363 | -xor | |
364 | +y |