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utf8.h: Restore macro defn incorrectly trashed earlier
[perl5.git] / feature.h
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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!
5 */
6
7
8#if defined(PERL_CORE) || defined (PERL_EXT)
9
10#define HINT_FEATURE_SHIFT 26
11
12#define FEATURE_BUNDLE_DEFAULT 0
13#define FEATURE_BUNDLE_510 1
14#define FEATURE_BUNDLE_511 2
15#define FEATURE_BUNDLE_515 3
2b9e0ab7 16#define FEATURE_BUNDLE_CUSTOM (HINT_FEATURE_MASK >> HINT_FEATURE_SHIFT)
f2c01b15 17
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18#define CURRENT_HINTS \
19 (PL_curcop == &PL_compiling ? PL_hints : PL_curcop->cop_hints)
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20#define CURRENT_FEATURE_BUNDLE \
21 ((CURRENT_HINTS & HINT_FEATURE_MASK) >> HINT_FEATURE_SHIFT)
d1fd0100 22
7d058bc9 23#define FEATURE_IS_ENABLED(name) \
ef744b29 24 ((CURRENT_HINTS \
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25 & HINT_LOCALIZE_HH) \
26 && Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name)))
27/* The longest string we pass in. */
1b6e8741 28#define MAX_FEATURE_LEN (sizeof("evalbytes")-1)
7d058bc9 29
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30#define FEATURE_SAY_IS_ENABLED \
31 ( \
32 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
33 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
34 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
35 FEATURE_IS_ENABLED("say")) \
36 )
37
38#define FEATURE_STATE_IS_ENABLED \
39 ( \
40 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
41 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
42 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
43 FEATURE_IS_ENABLED("state")) \
44 )
45
46#define FEATURE_SWITCH_IS_ENABLED \
47 ( \
48 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
49 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
50 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
51 FEATURE_IS_ENABLED("switch")) \
52 )
53
54#define FEATURE_EVALBYTES_IS_ENABLED \
55 ( \
56 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
57 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
58 FEATURE_IS_ENABLED("evalbytes")) \
59 )
60
61#define FEATURE_ARYBASE_IS_ENABLED \
62 ( \
beda0318 63 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_511 \
03222170 64 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
3fff3427 65 FEATURE_IS_ENABLED("arybase")) \
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66 )
67
68#define FEATURE___SUB___IS_ENABLED \
69 ( \
70 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
71 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
72 FEATURE_IS_ENABLED("__SUB__")) \
73 )
74
75#define FEATURE_UNIEVAL_IS_ENABLED \
76 ( \
77 CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
78 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
79 FEATURE_IS_ENABLED("unieval")) \
80 )
81
82#define FEATURE_UNICODE_IS_ENABLED \
83 ( \
84 (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_511 && \
85 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
86 || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
87 FEATURE_IS_ENABLED("unicode")) \
88 )
89
90
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91#endif /* PERL_CORE or PERL_EXT */
92
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93#ifdef PERL_IN_OP_C
94PERL_STATIC_INLINE void
95S_enable_feature_bundle(pTHX_ SV *ver)
96{
97 SV *comp_ver = sv_newmortal();
98 PL_hints = (PL_hints &~ HINT_FEATURE_MASK)
99 | (
100 (sv_setnv(comp_ver, 5.015),
101 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
102 ? FEATURE_BUNDLE_515 :
103 (sv_setnv(comp_ver, 5.011),
104 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
105 ? FEATURE_BUNDLE_511 :
106 (sv_setnv(comp_ver, 5.009005),
107 vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
108 ? FEATURE_BUNDLE_510 :
109 FEATURE_BUNDLE_DEFAULT
110 ) << HINT_FEATURE_SHIFT;
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111 /* special case */
112 assert(PL_curcop == &PL_compiling);
113 if (FEATURE_UNICODE_IS_ENABLED) PL_hints |= HINT_UNI_8_BIT;
114 else PL_hints &= ~HINT_UNI_8_BIT;
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115}
116#endif /* PERL_IN_OP_C */
117
f2c01b15 118/* ex: set ro: */