forked from schacon/perl
/
feature.h
151 lines (128 loc) · 4.26 KB
/
feature.h
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/* -*- buffer-read-only: t -*-
!!!!!!! DO NOT EDIT THIS FILE !!!!!!!
This file is built by regen/feature.pl.
Any changes made here will be lost!
*/
#if defined(PERL_CORE) || defined (PERL_EXT)
#define HINT_FEATURE_SHIFT 26
#define FEATURE_BUNDLE_DEFAULT 0
#define FEATURE_BUNDLE_510 1
#define FEATURE_BUNDLE_511 2
#define FEATURE_BUNDLE_515 3
#define FEATURE_BUNDLE_CUSTOM (HINT_FEATURE_MASK >> HINT_FEATURE_SHIFT)
#define CURRENT_HINTS \
(PL_curcop == &PL_compiling ? PL_hints : PL_curcop->cop_hints)
#define CURRENT_FEATURE_BUNDLE \
((CURRENT_HINTS & HINT_FEATURE_MASK) >> HINT_FEATURE_SHIFT)
/* Avoid using ... && Perl_feature_is_enabled(...) as that triggers a bug in
the HP-UX cc on PA-RISC */
#define FEATURE_IS_ENABLED(name) \
((CURRENT_HINTS \
& HINT_LOCALIZE_HH) \
? Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name)) : FALSE)
/* The longest string we pass in. */
#define MAX_FEATURE_LEN (sizeof("postderef_qq")-1)
#define FEATURE_FC_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED("fc")) \
)
#define FEATURE_SAY_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED("say")) \
)
#define FEATURE_STATE_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED("state")) \
)
#define FEATURE_SWITCH_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED("switch")) \
)
#define FEATURE_EVALBYTES_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED("evalbytes")) \
)
#define FEATURE_POSTDEREF_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED("postderef") \
)
#define FEATURE_ARYBASE_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_511 \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED("arybase")) \
)
#define FEATURE_SIGNATURES_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED("signatures") \
)
#define FEATURE___SUB___IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED("__SUB__")) \
)
#define FEATURE_LEXSUBS_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED("lexsubs") \
)
#define FEATURE_POSTDEREF_QQ_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED("postderef_qq") \
)
#define FEATURE_UNIEVAL_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED("unieval")) \
)
#define FEATURE_UNICODE_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_511 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED("unicode")) \
)
#endif /* PERL_CORE or PERL_EXT */
#ifdef PERL_IN_OP_C
PERL_STATIC_INLINE void
S_enable_feature_bundle(pTHX_ SV *ver)
{
SV *comp_ver = sv_newmortal();
PL_hints = (PL_hints &~ HINT_FEATURE_MASK)
| (
(sv_setnv(comp_ver, 5.015),
vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
? FEATURE_BUNDLE_515 :
(sv_setnv(comp_ver, 5.011),
vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
? FEATURE_BUNDLE_511 :
(sv_setnv(comp_ver, 5.009005),
vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
? FEATURE_BUNDLE_510 :
FEATURE_BUNDLE_DEFAULT
) << HINT_FEATURE_SHIFT;
/* special case */
assert(PL_curcop == &PL_compiling);
if (FEATURE_UNICODE_IS_ENABLED) PL_hints |= HINT_UNI_8_BIT;
else PL_hints &= ~HINT_UNI_8_BIT;
}
#endif /* PERL_IN_OP_C */
/* ex: set ro: */