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_BUNDLE_DEFAULT 0
16 #define FEATURE_BUNDLE_510 1
17 #define FEATURE_BUNDLE_511 2
18 #define FEATURE_BUNDLE_515 3
19 #define FEATURE_BUNDLE_523 4
20 #define FEATURE_BUNDLE_527 5
21 #define FEATURE_BUNDLE_CUSTOM (HINT_FEATURE_MASK >> HINT_FEATURE_SHIFT)
23 #define CURRENT_HINTS \
24 (PL_curcop == &PL_compiling ? PL_hints : PL_curcop->cop_hints)
25 #define CURRENT_FEATURE_BUNDLE \
26 ((CURRENT_HINTS & HINT_FEATURE_MASK) >> HINT_FEATURE_SHIFT)
28 /* Avoid using ... && Perl_feature_is_enabled(...) as that triggers a bug in
29 the HP-UX cc on PA-RISC */
30 #define FEATURE_IS_ENABLED(name) \
33 ? Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name)) : FALSE)
34 /* The longest string we pass in. */
35 #define MAX_FEATURE_LEN (sizeof("postderef_qq")-1)
37 #define FEATURE_FC_IS_ENABLED \
39 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
40 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
41 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
42 FEATURE_IS_ENABLED("fc")) \
45 #define FEATURE_SAY_IS_ENABLED \
47 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
48 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
49 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
50 FEATURE_IS_ENABLED("say")) \
53 #define FEATURE_STATE_IS_ENABLED \
55 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
56 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
57 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
58 FEATURE_IS_ENABLED("state")) \
61 #define FEATURE_SWITCH_IS_ENABLED \
63 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
64 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
65 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
66 FEATURE_IS_ENABLED("switch")) \
69 #define FEATURE_BITWISE_IS_ENABLED \
71 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_527 \
72 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
73 FEATURE_IS_ENABLED("bitwise")) \
76 #define FEATURE_EVALBYTES_IS_ENABLED \
78 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
79 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
80 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
81 FEATURE_IS_ENABLED("evalbytes")) \
84 #define FEATURE_SIGNATURES_IS_ENABLED \
86 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
87 FEATURE_IS_ENABLED("signatures") \
90 #define FEATURE___SUB___IS_ENABLED \
92 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
93 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
94 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
95 FEATURE_IS_ENABLED("__SUB__")) \
98 #define FEATURE_REFALIASING_IS_ENABLED \
100 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
101 FEATURE_IS_ENABLED("refaliasing") \
104 #define FEATURE_POSTDEREF_QQ_IS_ENABLED \
106 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_523 && \
107 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
108 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
109 FEATURE_IS_ENABLED("postderef_qq")) \
112 #define FEATURE_UNIEVAL_IS_ENABLED \
114 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
115 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
116 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
117 FEATURE_IS_ENABLED("unieval")) \
120 #define FEATURE_MYREF_IS_ENABLED \
122 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
123 FEATURE_IS_ENABLED("myref") \
126 #define FEATURE_UNICODE_IS_ENABLED \
128 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_511 && \
129 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
130 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
131 FEATURE_IS_ENABLED("unicode")) \
135 #endif /* PERL_CORE or PERL_EXT */
138 PERL_STATIC_INLINE void
139 S_enable_feature_bundle(pTHX_ SV *ver)
141 SV *comp_ver = sv_newmortal();
142 PL_hints = (PL_hints &~ HINT_FEATURE_MASK)
144 (sv_setnv(comp_ver, 5.027),
145 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
146 ? FEATURE_BUNDLE_527 :
147 (sv_setnv(comp_ver, 5.023),
148 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
149 ? FEATURE_BUNDLE_523 :
150 (sv_setnv(comp_ver, 5.015),
151 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
152 ? FEATURE_BUNDLE_515 :
153 (sv_setnv(comp_ver, 5.011),
154 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
155 ? FEATURE_BUNDLE_511 :
156 (sv_setnv(comp_ver, 5.009005),
157 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
158 ? FEATURE_BUNDLE_510 :
159 FEATURE_BUNDLE_DEFAULT
160 ) << HINT_FEATURE_SHIFT;
162 assert(PL_curcop == &PL_compiling);
163 if (FEATURE_UNICODE_IS_ENABLED) PL_hints |= HINT_UNI_8_BIT;
164 else PL_hints &= ~HINT_UNI_8_BIT;
166 #endif /* PERL_IN_OP_C */
168 #endif /* PERL_FEATURE_H_ */