1 /* -*- buffer-read-only: t -*-
2 !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
3 This file is built by regen/feature.pl.
4 Any changes made here will be lost!
8 #ifndef PERL_FEATURE_H_
9 #define PERL_FEATURE_H_
11 #if defined(PERL_CORE) || defined (PERL_EXT)
13 #define HINT_FEATURE_SHIFT 26
15 #define FEATURE_BITWISE_BIT 0x0001
16 #define FEATURE___SUB___BIT 0x0002
17 #define FEATURE_MYREF_BIT 0x0004
18 #define FEATURE_EVALBYTES_BIT 0x0008
19 #define FEATURE_FC_BIT 0x0010
20 #define FEATURE_INDIRECT_BIT 0x0020
21 #define FEATURE_ISA_BIT 0x0040
22 #define FEATURE_MULTIDIMENSIONAL_BIT 0x0080
23 #define FEATURE_POSTDEREF_QQ_BIT 0x0100
24 #define FEATURE_REFALIASING_BIT 0x0200
25 #define FEATURE_SAY_BIT 0x0400
26 #define FEATURE_SIGNATURES_BIT 0x0800
27 #define FEATURE_STATE_BIT 0x1000
28 #define FEATURE_SWITCH_BIT 0x2000
29 #define FEATURE_UNIEVAL_BIT 0x4000
30 #define FEATURE_UNICODE_BIT 0x8000
32 #define FEATURE_BUNDLE_DEFAULT 0
33 #define FEATURE_BUNDLE_510 1
34 #define FEATURE_BUNDLE_511 2
35 #define FEATURE_BUNDLE_515 3
36 #define FEATURE_BUNDLE_523 4
37 #define FEATURE_BUNDLE_527 5
38 #define FEATURE_BUNDLE_CUSTOM (HINT_FEATURE_MASK >> HINT_FEATURE_SHIFT)
40 #define CURRENT_HINTS \
41 (PL_curcop == &PL_compiling ? PL_hints : PL_curcop->cop_hints)
42 #define CURRENT_FEATURE_BUNDLE \
43 ((CURRENT_HINTS & HINT_FEATURE_MASK) >> HINT_FEATURE_SHIFT)
45 #define FEATURE_IS_ENABLED_MASK(mask) \
46 ((CURRENT_HINTS & HINT_LOCALIZE_HH) \
47 ? (PL_curcop->cop_features & (mask)) : FALSE)
49 /* The longest string we pass in. */
50 #define MAX_FEATURE_LEN (sizeof("multidimensional")-1)
52 #define FEATURE_FC_IS_ENABLED \
54 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
55 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
56 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
57 FEATURE_IS_ENABLED_MASK(FEATURE_FC_BIT)) \
60 #define FEATURE_ISA_IS_ENABLED \
62 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
63 FEATURE_IS_ENABLED_MASK(FEATURE_ISA_BIT) \
66 #define FEATURE_SAY_IS_ENABLED \
68 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
69 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
70 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
71 FEATURE_IS_ENABLED_MASK(FEATURE_SAY_BIT)) \
74 #define FEATURE_STATE_IS_ENABLED \
76 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
77 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
78 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
79 FEATURE_IS_ENABLED_MASK(FEATURE_STATE_BIT)) \
82 #define FEATURE_SWITCH_IS_ENABLED \
84 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
85 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
86 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
87 FEATURE_IS_ENABLED_MASK(FEATURE_SWITCH_BIT)) \
90 #define FEATURE_BITWISE_IS_ENABLED \
92 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_527 \
93 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
94 FEATURE_IS_ENABLED_MASK(FEATURE_BITWISE_BIT)) \
97 #define FEATURE_INDIRECT_IS_ENABLED \
99 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527 \
100 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
101 FEATURE_IS_ENABLED_MASK(FEATURE_INDIRECT_BIT)) \
104 #define FEATURE_EVALBYTES_IS_ENABLED \
106 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
107 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
108 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
109 FEATURE_IS_ENABLED_MASK(FEATURE_EVALBYTES_BIT)) \
112 #define FEATURE_SIGNATURES_IS_ENABLED \
114 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
115 FEATURE_IS_ENABLED_MASK(FEATURE_SIGNATURES_BIT) \
118 #define FEATURE___SUB___IS_ENABLED \
120 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
121 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
122 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
123 FEATURE_IS_ENABLED_MASK(FEATURE___SUB___BIT)) \
126 #define FEATURE_REFALIASING_IS_ENABLED \
128 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
129 FEATURE_IS_ENABLED_MASK(FEATURE_REFALIASING_BIT) \
132 #define FEATURE_POSTDEREF_QQ_IS_ENABLED \
134 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_523 && \
135 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
136 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
137 FEATURE_IS_ENABLED_MASK(FEATURE_POSTDEREF_QQ_BIT)) \
140 #define FEATURE_UNIEVAL_IS_ENABLED \
142 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
143 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
144 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
145 FEATURE_IS_ENABLED_MASK(FEATURE_UNIEVAL_BIT)) \
148 #define FEATURE_MYREF_IS_ENABLED \
150 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
151 FEATURE_IS_ENABLED_MASK(FEATURE_MYREF_BIT) \
154 #define FEATURE_UNICODE_IS_ENABLED \
156 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_511 && \
157 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
158 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
159 FEATURE_IS_ENABLED_MASK(FEATURE_UNICODE_BIT)) \
162 #define FEATURE_MULTIDIMENSIONAL_IS_ENABLED \
164 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527 \
165 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
166 FEATURE_IS_ENABLED_MASK(FEATURE_MULTIDIMENSIONAL_BIT)) \
170 #define SAVEFEATUREBITS() SAVEI32(PL_compiling.cop_features)
172 #define CLEARFEATUREBITS() (PL_compiling.cop_features = 0)
174 #define STOREFEATUREBITSHH(hh) \
175 (hv_stores((hh), "feature/bits", newSVuv(PL_compiling.cop_features)))
177 #define FETCHFEATUREBITSHH(hh) \
179 SV **fbsv = hv_fetchs((hh), "feature/bits", FALSE); \
180 PL_compiling.cop_features = fbsv ? SvUV(*fbsv) : 0; \
183 #endif /* PERL_CORE or PERL_EXT */
186 PERL_STATIC_INLINE void
187 S_enable_feature_bundle(pTHX_ SV *ver)
189 SV *comp_ver = sv_newmortal();
190 PL_hints = (PL_hints &~ HINT_FEATURE_MASK)
192 (sv_setnv(comp_ver, 5.027),
193 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
194 ? FEATURE_BUNDLE_527 :
195 (sv_setnv(comp_ver, 5.023),
196 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
197 ? FEATURE_BUNDLE_523 :
198 (sv_setnv(comp_ver, 5.015),
199 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
200 ? FEATURE_BUNDLE_515 :
201 (sv_setnv(comp_ver, 5.011),
202 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
203 ? FEATURE_BUNDLE_511 :
204 (sv_setnv(comp_ver, 5.009005),
205 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
206 ? FEATURE_BUNDLE_510 :
207 FEATURE_BUNDLE_DEFAULT
208 ) << HINT_FEATURE_SHIFT;
210 assert(PL_curcop == &PL_compiling);
211 if (FEATURE_UNICODE_IS_ENABLED) PL_hints |= HINT_UNI_8_BIT;
212 else PL_hints &= ~HINT_UNI_8_BIT;
214 #endif /* PERL_IN_OP_C */
218 #define magic_sethint_feature(keysv, keypv, keylen, valsv, valbool) \
219 S_magic_sethint_feature(aTHX_ (keysv), (keypv), (keylen), (valsv), (valbool))
220 PERL_STATIC_INLINE void
221 S_magic_sethint_feature(pTHX_ SV *keysv, const char *keypv, STRLEN keylen,
222 SV *valsv, bool valbool) {
224 keypv = SvPV_const(keysv, keylen);
226 if (memBEGINs(keypv, keylen, "feature_")) {
227 const char *subf = keypv + (sizeof("feature_")-1);
231 if (keylen == sizeof("feature___SUB__")-1
232 && memcmp(subf+1, "_SUB__", keylen - sizeof("feature_")) == 0) {
233 mask = FEATURE___SUB___BIT;
239 if (keylen == sizeof("feature_bitwise")-1
240 && memcmp(subf+1, "itwise", keylen - sizeof("feature_")) == 0) {
241 mask = FEATURE_BITWISE_BIT;
247 if (keylen == sizeof("feature_evalbytes")-1
248 && memcmp(subf+1, "valbytes", keylen - sizeof("feature_")) == 0) {
249 mask = FEATURE_EVALBYTES_BIT;
255 if (keylen == sizeof("feature_fc")-1
256 && memcmp(subf+1, "c", keylen - sizeof("feature_")) == 0) {
257 mask = FEATURE_FC_BIT;
263 if (keylen == sizeof("feature_indirect")-1
264 && memcmp(subf+1, "ndirect", keylen - sizeof("feature_")) == 0) {
265 mask = FEATURE_INDIRECT_BIT;
268 else if (keylen == sizeof("feature_isa")-1
269 && memcmp(subf+1, "sa", keylen - sizeof("feature_")) == 0) {
270 mask = FEATURE_ISA_BIT;
276 if (keylen == sizeof("feature_multidimensional")-1
277 && memcmp(subf+1, "ultidimensional", keylen - sizeof("feature_")) == 0) {
278 mask = FEATURE_MULTIDIMENSIONAL_BIT;
281 else if (keylen == sizeof("feature_myref")-1
282 && memcmp(subf+1, "yref", keylen - sizeof("feature_")) == 0) {
283 mask = FEATURE_MYREF_BIT;
289 if (keylen == sizeof("feature_postderef_qq")-1
290 && memcmp(subf+1, "ostderef_qq", keylen - sizeof("feature_")) == 0) {
291 mask = FEATURE_POSTDEREF_QQ_BIT;
297 if (keylen == sizeof("feature_refaliasing")-1
298 && memcmp(subf+1, "efaliasing", keylen - sizeof("feature_")) == 0) {
299 mask = FEATURE_REFALIASING_BIT;
305 if (keylen == sizeof("feature_say")-1
306 && memcmp(subf+1, "ay", keylen - sizeof("feature_")) == 0) {
307 mask = FEATURE_SAY_BIT;
310 else if (keylen == sizeof("feature_signatures")-1
311 && memcmp(subf+1, "ignatures", keylen - sizeof("feature_")) == 0) {
312 mask = FEATURE_SIGNATURES_BIT;
315 else if (keylen == sizeof("feature_state")-1
316 && memcmp(subf+1, "tate", keylen - sizeof("feature_")) == 0) {
317 mask = FEATURE_STATE_BIT;
320 else if (keylen == sizeof("feature_switch")-1
321 && memcmp(subf+1, "witch", keylen - sizeof("feature_")) == 0) {
322 mask = FEATURE_SWITCH_BIT;
328 if (keylen == sizeof("feature_unicode")-1
329 && memcmp(subf+1, "nicode", keylen - sizeof("feature_")) == 0) {
330 mask = FEATURE_UNICODE_BIT;
333 else if (keylen == sizeof("feature_unieval")-1
334 && memcmp(subf+1, "nieval", keylen - sizeof("feature_")) == 0) {
335 mask = FEATURE_UNIEVAL_BIT;
343 if (valsv ? SvTRUE(valsv) : valbool)
344 PL_compiling.cop_features |= mask;
346 PL_compiling.cop_features &= ~mask;
349 #endif /* PERL_IN_MG_C */
351 #endif /* PERL_FEATURE_H_ */