AIX doesn't set the length in getsockopt.
[perl.git] / feature.h
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
16 #define FEATURE_BUNDLE_CUSTOM   (HINT_FEATURE_MASK >> HINT_FEATURE_SHIFT)
17
18 #define CURRENT_HINTS \
19     (PL_curcop == &PL_compiling ? PL_hints : PL_curcop->cop_hints)
20 #define CURRENT_FEATURE_BUNDLE \
21     ((CURRENT_HINTS & HINT_FEATURE_MASK) >> HINT_FEATURE_SHIFT)
22
23 /* Avoid using ... && Perl_feature_is_enabled(...) as that triggers a bug in
24    the HP-UX cc on PA-RISC */
25 #define FEATURE_IS_ENABLED(name)                                        \
26         ((CURRENT_HINTS                                                  \
27            & HINT_LOCALIZE_HH)                                            \
28             ? Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name)) : FALSE)
29 /* The longest string we pass in.  */
30 #define MAX_FEATURE_LEN (sizeof("postderef_qq")-1)
31
32 #define FEATURE_FC_IS_ENABLED \
33     ( \
34         CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
35      || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
36          FEATURE_IS_ENABLED("fc")) \
37     )
38
39 #define FEATURE_SAY_IS_ENABLED \
40     ( \
41         (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
42          CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
43      || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
44          FEATURE_IS_ENABLED("say")) \
45     )
46
47 #define FEATURE_STATE_IS_ENABLED \
48     ( \
49         (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
50          CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
51      || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
52          FEATURE_IS_ENABLED("state")) \
53     )
54
55 #define FEATURE_SWITCH_IS_ENABLED \
56     ( \
57         (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
58          CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
59      || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
60          FEATURE_IS_ENABLED("switch")) \
61     )
62
63 #define FEATURE_EVALBYTES_IS_ENABLED \
64     ( \
65         CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
66      || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
67          FEATURE_IS_ENABLED("evalbytes")) \
68     )
69
70 #define FEATURE_POSTDEREF_IS_ENABLED \
71     ( \
72         CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
73          FEATURE_IS_ENABLED("postderef") \
74     )
75
76 #define FEATURE_ARYBASE_IS_ENABLED \
77     ( \
78         CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_511 \
79      || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
80          FEATURE_IS_ENABLED("arybase")) \
81     )
82
83 #define FEATURE_SIGNATURES_IS_ENABLED \
84     ( \
85         CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
86          FEATURE_IS_ENABLED("signatures") \
87     )
88
89 #define FEATURE___SUB___IS_ENABLED \
90     ( \
91         CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
92      || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
93          FEATURE_IS_ENABLED("__SUB__")) \
94     )
95
96 #define FEATURE_LEXSUBS_IS_ENABLED \
97     ( \
98         CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
99          FEATURE_IS_ENABLED("lexsubs") \
100     )
101
102 #define FEATURE_POSTDEREF_QQ_IS_ENABLED \
103     ( \
104         CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
105          FEATURE_IS_ENABLED("postderef_qq") \
106     )
107
108 #define FEATURE_UNIEVAL_IS_ENABLED \
109     ( \
110         CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
111      || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
112          FEATURE_IS_ENABLED("unieval")) \
113     )
114
115 #define FEATURE_UNICODE_IS_ENABLED \
116     ( \
117         (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_511 && \
118          CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
119      || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
120          FEATURE_IS_ENABLED("unicode")) \
121     )
122
123
124 #endif /* PERL_CORE or PERL_EXT */
125
126 #ifdef PERL_IN_OP_C
127 PERL_STATIC_INLINE void
128 S_enable_feature_bundle(pTHX_ SV *ver)
129 {
130     SV *comp_ver = sv_newmortal();
131     PL_hints = (PL_hints &~ HINT_FEATURE_MASK)
132              | (
133                   (sv_setnv(comp_ver, 5.015),
134                    vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
135                         ? FEATURE_BUNDLE_515 :
136                   (sv_setnv(comp_ver, 5.011),
137                    vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
138                         ? FEATURE_BUNDLE_511 :
139                   (sv_setnv(comp_ver, 5.009005),
140                    vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
141                         ? FEATURE_BUNDLE_510 :
142                           FEATURE_BUNDLE_DEFAULT
143                ) << HINT_FEATURE_SHIFT;
144     /* special case */
145     assert(PL_curcop == &PL_compiling);
146     if (FEATURE_UNICODE_IS_ENABLED) PL_hints |=  HINT_UNI_8_BIT;
147     else                            PL_hints &= ~HINT_UNI_8_BIT;
148 }
149 #endif /* PERL_IN_OP_C */
150
151 /* ex: set ro: */