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 | |
af001346 | 14 | require 'regen/regen_lib.pl'; |
b6b9a099 | 15 | |
29c22b52 NC |
16 | my $h = open_new('keywords.h'); |
17 | my $c = open_new('keywords.c'); | |
a0d0e21e | 18 | |
f133ac5d NC |
19 | print $h read_only_top(lang => 'C', by => 'regen/keywords.pl', |
20 | from => 'its data', file => 'keywords.h', style => '*', | |
21 | copyright => [1994 .. 1997, 1999 .. 2002, 2005 .. 2007]); | |
22 | print $c read_only_top(lang => 'C', by => 'regen/keywords.pl', | |
23 | from => 'its data', style => '*'); | |
d6376244 | 24 | |
f133ac5d | 25 | my %by_strength; |
a0d0e21e | 26 | |
eada5d41 | 27 | my $keynum = 0; |
a0d0e21e LW |
28 | while (<DATA>) { |
29 | chop; | |
30 | next unless $_; | |
31 | next if /^#/; | |
f133ac5d NC |
32 | my ($strength, $keyword) = /^([- +])([A-Z_a-z2]+)/; |
33 | die "Bad line '$_'" unless defined $strength; | |
34 | print $h tab(5, "#define KEY_$keyword"), $keynum++, "\n"; | |
35 | push @{$by_strength{$strength}}, $keyword; | |
a0d0e21e LW |
36 | } |
37 | ||
f133ac5d NC |
38 | my %feature_kw = ( |
39 | given => 'switch', | |
40 | when => 'switch', | |
41 | default => 'switch', | |
42 | # continue is already a keyword | |
43 | break => 'switch', | |
b6b9a099 | 44 | |
f133ac5d | 45 | say => 'say', |
a0d0e21e | 46 | |
f133ac5d NC |
47 | state => 'state', |
48 | ); | |
49 | ||
50 | my %pos = map { ($_ => 1) } @{$by_strength{'+'}}; | |
51 | ||
52 | my $t = Devel::Tokenizer::C->new(TokenFunc => \&perl_keyword, | |
53 | TokenString => 'name', | |
54 | StringLength => 'len', | |
55 | MergeSwitches => 1, | |
56 | ); | |
57 | ||
58 | $t->add_tokens(@{$by_strength{'+'}}, @{$by_strength{'-'}}, 'elseif'); | |
59 | ||
60 | my $switch = $t->generate(Indent => ' '); | |
61 | ||
62 | print $c <<"END"; | |
63 | #include "EXTERN.h" | |
64 | #define PERL_IN_KEYWORDS_C | |
65 | #include "perl.h" | |
66 | #include "keywords.h" | |
67 | ||
68 | I32 | |
69 | Perl_keyword (pTHX_ const char *name, I32 len, bool all_keywords) | |
70 | { | |
71 | dVAR; | |
72 | ||
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; | |
94 | return (all_keywords || FEATURE_IS_ENABLED("$feature") ? ${sign}KEY_$k : 0); | |
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 | ||
104 | __END__ | |
105 | ||
106 | NULL | |
107 | -__FILE__ | |
108 | -__LINE__ | |
109 | -__PACKAGE__ | |
110 | +__DATA__ | |
111 | +__END__ | |
112 | +AUTOLOAD | |
113 | +BEGIN | |
114 | +UNITCHECK | |
115 | -CORE | |
116 | +DESTROY | |
117 | +END | |
118 | +INIT | |
119 | +CHECK | |
120 | -abs | |
121 | -accept | |
122 | -alarm | |
123 | -and | |
124 | -atan2 | |
125 | -bind | |
126 | -binmode | |
127 | -bless | |
128 | -break | |
129 | -caller | |
130 | -chdir | |
131 | -chmod | |
132 | -chomp | |
133 | -chop | |
134 | -chown | |
135 | -chr | |
136 | -chroot | |
137 | -close | |
138 | -closedir | |
139 | -cmp | |
140 | -connect | |
141 | -continue | |
142 | -cos | |
143 | -crypt | |
144 | -dbmclose | |
145 | -dbmopen | |
146 | +default | |
147 | +defined | |
148 | +delete | |
149 | -die | |
150 | +do | |
151 | -dump | |
152 | -each | |
153 | +else | |
154 | +elsif | |
155 | -endgrent | |
156 | -endhostent | |
157 | -endnetent | |
158 | -endprotoent | |
159 | -endpwent | |
160 | -endservent | |
161 | -eof | |
162 | -eq | |
163 | +eval | |
164 | -exec | |
165 | +exists | |
166 | -exit | |
167 | -exp | |
168 | -fcntl | |
169 | -fileno | |
170 | -flock | |
171 | +for | |
172 | +foreach | |
173 | -fork | |
174 | +format | |
175 | -formline | |
176 | -ge | |
177 | -getc | |
178 | -getgrent | |
179 | -getgrgid | |
180 | -getgrnam | |
181 | -gethostbyaddr | |
182 | -gethostbyname | |
183 | -gethostent | |
184 | -getlogin | |
185 | -getnetbyaddr | |
186 | -getnetbyname | |
187 | -getnetent | |
188 | -getpeername | |
189 | -getpgrp | |
190 | -getppid | |
191 | -getpriority | |
192 | -getprotobyname | |
193 | -getprotobynumber | |
194 | -getprotoent | |
195 | -getpwent | |
196 | -getpwnam | |
197 | -getpwuid | |
198 | -getservbyname | |
199 | -getservbyport | |
200 | -getservent | |
201 | -getsockname | |
202 | -getsockopt | |
203 | +given | |
204 | +glob | |
205 | -gmtime | |
206 | +goto | |
207 | +grep | |
208 | -gt | |
209 | -hex | |
210 | +if | |
211 | -index | |
212 | -int | |
213 | -ioctl | |
214 | -join | |
215 | -keys | |
216 | -kill | |
217 | +last | |
218 | -lc | |
219 | -lcfirst | |
220 | -le | |
221 | -length | |
222 | -link | |
223 | -listen | |
224 | +local | |
225 | -localtime | |
226 | -lock | |
227 | -log | |
228 | -lstat | |
229 | -lt | |
230 | +m | |
231 | +map | |
232 | -mkdir | |
233 | -msgctl | |
234 | -msgget | |
235 | -msgrcv | |
236 | -msgsnd | |
237 | +my | |
238 | -ne | |
239 | +next | |
240 | +no | |
241 | -not | |
242 | -oct | |
243 | -open | |
244 | -opendir | |
245 | -or | |
246 | -ord | |
247 | +our | |
248 | -pack | |
249 | +package | |
250 | -pipe | |
251 | -pop | |
252 | +pos | |
253 | ||
254 | +printf | |
255 | +prototype | |
256 | -push | |
257 | +q | |
258 | ||
259 | +qr | |
260 | -quotemeta | |
261 | +qw | |
262 | +qx | |
263 | -rand | |
264 | -read | |
265 | -readdir | |
266 | -readline | |
267 | -readlink | |
268 | -readpipe | |
269 | -recv | |
270 | +redo | |
271 | -ref | |
272 | -rename | |
273 | +require | |
274 | -reset | |
275 | +return | |
276 | -reverse | |
277 | -rewinddir | |
278 | -rindex | |
279 | -rmdir | |
280 | +s | |
281 | +say | |
282 | +scalar | |
283 | -seek | |
284 | -seekdir | |
285 | -select | |
286 | -semctl | |
287 | -semget | |
288 | -semop | |
289 | -send | |
290 | -setgrent | |
291 | -sethostent | |
292 | -setnetent | |
293 | -setpgrp | |
294 | -setpriority | |
295 | -setprotoent | |
296 | -setpwent | |
297 | -setservent | |
298 | -setsockopt | |
299 | -shift | |
300 | -shmctl | |
301 | -shmget | |
302 | -shmread | |
303 | -shmwrite | |
304 | -shutdown | |
305 | -sin | |
306 | -sleep | |
307 | -socket | |
308 | -socketpair | |
309 | +sort | |
310 | -splice | |
311 | +split | |
312 | -sprintf | |
313 | -sqrt | |
314 | -srand | |
315 | -stat | |
316 | +state | |
317 | +study | |
318 | +sub | |
319 | -substr | |
320 | -symlink | |
321 | -syscall | |
322 | -sysopen | |
323 | -sysread | |
324 | -sysseek | |
325 | -system | |
326 | -syswrite | |
327 | -tell | |
328 | -telldir | |
329 | -tie | |
330 | -tied | |
331 | -time | |
332 | -times | |
333 | +tr | |
334 | -truncate | |
335 | -uc | |
336 | -ucfirst | |
337 | -umask | |
338 | +undef | |
339 | +unless | |
340 | -unlink | |
341 | -unpack | |
342 | -unshift | |
343 | -untie | |
344 | +until | |
345 | +use | |
346 | -utime | |
347 | -values | |
348 | -vec | |
349 | -wait | |
350 | -waitpid | |
351 | -wantarray | |
352 | -warn | |
353 | +when | |
354 | +while | |
355 | -write | |
356 | -x | |
357 | -xor | |
358 | +y |