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_ISA_BIT 0x0020
21 #define FEATURE_POSTDEREF_QQ_BIT 0x0040
22 #define FEATURE_REFALIASING_BIT 0x0080
23 #define FEATURE_SAY_BIT 0x0100
24 #define FEATURE_SIGNATURES_BIT 0x0200
25 #define FEATURE_STATE_BIT 0x0400
26 #define FEATURE_SWITCH_BIT 0x0800
27 #define FEATURE_UNIEVAL_BIT 0x1000
28 #define FEATURE_UNICODE_BIT 0x2000
30 #define FEATURE_BUNDLE_DEFAULT 0
31 #define FEATURE_BUNDLE_510 1
32 #define FEATURE_BUNDLE_511 2
33 #define FEATURE_BUNDLE_515 3
34 #define FEATURE_BUNDLE_523 4
35 #define FEATURE_BUNDLE_527 5
36 #define FEATURE_BUNDLE_CUSTOM (HINT_FEATURE_MASK >> HINT_FEATURE_SHIFT)
38 #define CURRENT_HINTS \
39 (PL_curcop == &PL_compiling ? PL_hints : PL_curcop->cop_hints)
40 #define CURRENT_FEATURE_BUNDLE \
41 ((CURRENT_HINTS & HINT_FEATURE_MASK) >> HINT_FEATURE_SHIFT)
43 #define FEATURE_IS_ENABLED_MASK(mask) \
44 ((CURRENT_HINTS & HINT_LOCALIZE_HH) \
45 ? (PL_curcop->cop_features & (mask)) : FALSE)
47 /* The longest string we pass in. */
48 #define MAX_FEATURE_LEN (sizeof("postderef_qq")-1)
50 #define FEATURE_FC_IS_ENABLED \
52 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
53 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
54 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
55 FEATURE_IS_ENABLED_MASK(FEATURE_FC_BIT)) \
58 #define FEATURE_ISA_IS_ENABLED \
60 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
61 FEATURE_IS_ENABLED_MASK(FEATURE_ISA_BIT) \
64 #define FEATURE_SAY_IS_ENABLED \
66 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
67 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
68 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
69 FEATURE_IS_ENABLED_MASK(FEATURE_SAY_BIT)) \
72 #define FEATURE_STATE_IS_ENABLED \
74 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
75 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
76 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
77 FEATURE_IS_ENABLED_MASK(FEATURE_STATE_BIT)) \
80 #define FEATURE_SWITCH_IS_ENABLED \
82 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
83 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
84 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
85 FEATURE_IS_ENABLED_MASK(FEATURE_SWITCH_BIT)) \
88 #define FEATURE_BITWISE_IS_ENABLED \
90 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_527 \
91 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
92 FEATURE_IS_ENABLED_MASK(FEATURE_BITWISE_BIT)) \
95 #define FEATURE_EVALBYTES_IS_ENABLED \
97 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
98 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
99 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
100 FEATURE_IS_ENABLED_MASK(FEATURE_EVALBYTES_BIT)) \
103 #define FEATURE_SIGNATURES_IS_ENABLED \
105 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
106 FEATURE_IS_ENABLED_MASK(FEATURE_SIGNATURES_BIT) \
109 #define FEATURE___SUB___IS_ENABLED \
111 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
112 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
113 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
114 FEATURE_IS_ENABLED_MASK(FEATURE___SUB___BIT)) \
117 #define FEATURE_REFALIASING_IS_ENABLED \
119 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
120 FEATURE_IS_ENABLED_MASK(FEATURE_REFALIASING_BIT) \
123 #define FEATURE_POSTDEREF_QQ_IS_ENABLED \
125 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_523 && \
126 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
127 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
128 FEATURE_IS_ENABLED_MASK(FEATURE_POSTDEREF_QQ_BIT)) \
131 #define FEATURE_UNIEVAL_IS_ENABLED \
133 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
134 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
135 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
136 FEATURE_IS_ENABLED_MASK(FEATURE_UNIEVAL_BIT)) \
139 #define FEATURE_MYREF_IS_ENABLED \
141 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
142 FEATURE_IS_ENABLED_MASK(FEATURE_MYREF_BIT) \
145 #define FEATURE_UNICODE_IS_ENABLED \
147 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_511 && \
148 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
149 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
150 FEATURE_IS_ENABLED_MASK(FEATURE_UNICODE_BIT)) \
154 #define SAVEFEATUREBITS() SAVEI32(PL_compiling.cop_features)
156 #define CLEARFEATUREBITS() (PL_compiling.cop_features = 0)
158 #define STOREFEATUREBITSHH(hh) \
159 (hv_stores((hh), "feature/bits", newSVuv(PL_compiling.cop_features)))
161 #define FETCHFEATUREBITSHH(hh) \
163 SV **fbsv = hv_fetchs((hh), "feature/bits", FALSE); \
164 PL_compiling.cop_features = fbsv ? SvUV(*fbsv) : 0; \
167 #endif /* PERL_CORE or PERL_EXT */
170 PERL_STATIC_INLINE void
171 S_enable_feature_bundle(pTHX_ SV *ver)
173 SV *comp_ver = sv_newmortal();
174 PL_hints = (PL_hints &~ HINT_FEATURE_MASK)
176 (sv_setnv(comp_ver, 5.027),
177 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
178 ? FEATURE_BUNDLE_527 :
179 (sv_setnv(comp_ver, 5.023),
180 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
181 ? FEATURE_BUNDLE_523 :
182 (sv_setnv(comp_ver, 5.015),
183 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
184 ? FEATURE_BUNDLE_515 :
185 (sv_setnv(comp_ver, 5.011),
186 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
187 ? FEATURE_BUNDLE_511 :
188 (sv_setnv(comp_ver, 5.009005),
189 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
190 ? FEATURE_BUNDLE_510 :
191 FEATURE_BUNDLE_DEFAULT
192 ) << HINT_FEATURE_SHIFT;
194 assert(PL_curcop == &PL_compiling);
195 if (FEATURE_UNICODE_IS_ENABLED) PL_hints |= HINT_UNI_8_BIT;
196 else PL_hints &= ~HINT_UNI_8_BIT;
198 #endif /* PERL_IN_OP_C */
202 #define magic_sethint_feature(keysv, keypv, keylen, valsv, valbool) \
203 S_magic_sethint_feature(aTHX_ (keysv), (keypv), (keylen), (valsv), (valbool))
204 PERL_STATIC_INLINE void
205 S_magic_sethint_feature(pTHX_ SV *keysv, const char *keypv, STRLEN keylen,
206 SV *valsv, bool valbool) {
208 keypv = SvPV_const(keysv, keylen);
210 if (memBEGINs(keypv, keylen, "feature_")) {
211 const char *subf = keypv + (sizeof("feature_")-1);
215 if (keylen == sizeof("feature___SUB__")-1
216 && memcmp(subf+1, "_SUB__", keylen - sizeof("feature_")) == 0) {
217 mask = FEATURE___SUB___BIT;
223 if (keylen == sizeof("feature_bitwise")-1
224 && memcmp(subf+1, "itwise", keylen - sizeof("feature_")) == 0) {
225 mask = FEATURE_BITWISE_BIT;
231 if (keylen == sizeof("feature_evalbytes")-1
232 && memcmp(subf+1, "valbytes", keylen - sizeof("feature_")) == 0) {
233 mask = FEATURE_EVALBYTES_BIT;
239 if (keylen == sizeof("feature_fc")-1
240 && memcmp(subf+1, "c", keylen - sizeof("feature_")) == 0) {
241 mask = FEATURE_FC_BIT;
247 if (keylen == sizeof("feature_isa")-1
248 && memcmp(subf+1, "sa", keylen - sizeof("feature_")) == 0) {
249 mask = FEATURE_ISA_BIT;
255 if (keylen == sizeof("feature_myref")-1
256 && memcmp(subf+1, "yref", keylen - sizeof("feature_")) == 0) {
257 mask = FEATURE_MYREF_BIT;
263 if (keylen == sizeof("feature_postderef_qq")-1
264 && memcmp(subf+1, "ostderef_qq", keylen - sizeof("feature_")) == 0) {
265 mask = FEATURE_POSTDEREF_QQ_BIT;
271 if (keylen == sizeof("feature_refaliasing")-1
272 && memcmp(subf+1, "efaliasing", keylen - sizeof("feature_")) == 0) {
273 mask = FEATURE_REFALIASING_BIT;
279 if (keylen == sizeof("feature_say")-1
280 && memcmp(subf+1, "ay", keylen - sizeof("feature_")) == 0) {
281 mask = FEATURE_SAY_BIT;
284 else if (keylen == sizeof("feature_signatures")-1
285 && memcmp(subf+1, "ignatures", keylen - sizeof("feature_")) == 0) {
286 mask = FEATURE_SIGNATURES_BIT;
289 else if (keylen == sizeof("feature_state")-1
290 && memcmp(subf+1, "tate", keylen - sizeof("feature_")) == 0) {
291 mask = FEATURE_STATE_BIT;
294 else if (keylen == sizeof("feature_switch")-1
295 && memcmp(subf+1, "witch", keylen - sizeof("feature_")) == 0) {
296 mask = FEATURE_SWITCH_BIT;
302 if (keylen == sizeof("feature_unicode")-1
303 && memcmp(subf+1, "nicode", keylen - sizeof("feature_")) == 0) {
304 mask = FEATURE_UNICODE_BIT;
307 else if (keylen == sizeof("feature_unieval")-1
308 && memcmp(subf+1, "nieval", keylen - sizeof("feature_")) == 0) {
309 mask = FEATURE_UNIEVAL_BIT;
317 if (valsv ? SvTRUE(valsv) : valbool)
318 PL_compiling.cop_features |= mask;
320 PL_compiling.cop_features &= ~mask;
323 #endif /* PERL_IN_MG_C */
325 #endif /* PERL_FEATURE_H_ */