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|
/* -*- mode: C; buffer-read-only: t -*-
!!!!!!! DO NOT EDIT THIS FILE !!!!!!!
This file is built by regen/feature.pl.
Any changes made here will be lost!
*/
#ifndef PERL_FEATURE_H_
#define PERL_FEATURE_H_
#if defined(PERL_CORE) || defined (PERL_EXT)
#define HINT_FEATURE_SHIFT 26
#define FEATURE_BAREWORD_FILEHANDLES_BIT 0x0001
#define FEATURE_BITWISE_BIT 0x0002
#define FEATURE_CLASS_BIT 0x0004
#define FEATURE___SUB___BIT 0x0008
#define FEATURE_MYREF_BIT 0x0010
#define FEATURE_DEFER_BIT 0x0020
#define FEATURE_EVALBYTES_BIT 0x0040
#define FEATURE_MORE_DELIMS_BIT 0x0080
#define FEATURE_FC_BIT 0x0100
#define FEATURE_INDIRECT_BIT 0x0200
#define FEATURE_ISA_BIT 0x0400
#define FEATURE_MODULE_TRUE_BIT 0x0800
#define FEATURE_MULTIDIMENSIONAL_BIT 0x1000
#define FEATURE_POSTDEREF_QQ_BIT 0x2000
#define FEATURE_REFALIASING_BIT 0x4000
#define FEATURE_SAY_BIT 0x8000
#define FEATURE_SIGNATURES_BIT 0x10000
#define FEATURE_STATE_BIT 0x20000
#define FEATURE_SWITCH_BIT 0x40000
#define FEATURE_TRY_BIT 0x80000
#define FEATURE_UNIEVAL_BIT 0x100000
#define FEATURE_UNICODE_BIT 0x200000
#define FEATURE_BUNDLE_DEFAULT 0
#define FEATURE_BUNDLE_510 1
#define FEATURE_BUNDLE_511 2
#define FEATURE_BUNDLE_515 3
#define FEATURE_BUNDLE_523 4
#define FEATURE_BUNDLE_527 5
#define FEATURE_BUNDLE_535 6
#define FEATURE_BUNDLE_537 7
#define FEATURE_BUNDLE_539 8
#define FEATURE_BUNDLE_CUSTOM (HINT_FEATURE_MASK >> HINT_FEATURE_SHIFT)
/* this is preserved for testing and asserts */
#define OLD_CURRENT_HINTS \
(PL_curcop == &PL_compiling ? PL_hints : PL_curcop->cop_hints)
/* this is the same thing, but simpler (no if) as PL_hints expands
to PL_compiling.cop_hints */
#define CURRENT_HINTS \
PL_curcop->cop_hints
#define CURRENT_FEATURE_BUNDLE \
((CURRENT_HINTS & HINT_FEATURE_MASK) >> HINT_FEATURE_SHIFT)
#define FEATURE_IS_ENABLED_MASK(mask) \
((CURRENT_HINTS & HINT_LOCALIZE_HH) \
? (PL_curcop->cop_features & (mask)) : FALSE)
/* The longest string we pass in. */
#define MAX_FEATURE_LEN (sizeof("bareword_filehandles")-1)
#define FEATURE_FC_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_539) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_FC_BIT)) \
)
#define FEATURE_ISA_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_535 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_539) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_ISA_BIT)) \
)
#define FEATURE_SAY_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_539) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_SAY_BIT)) \
)
#define FEATURE_TRY_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_539 \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_TRY_BIT)) \
)
#define FEATURE_CLASS_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_CLASS_BIT) \
)
#define FEATURE_DEFER_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_DEFER_BIT) \
)
#define FEATURE_STATE_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_539) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_STATE_BIT)) \
)
#define FEATURE_SWITCH_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_SWITCH_BIT)) \
)
#define FEATURE_BITWISE_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_527 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_539) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_BITWISE_BIT)) \
)
#define FEATURE_INDIRECT_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527 \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_INDIRECT_BIT)) \
)
#define FEATURE_EVALBYTES_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_539) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_EVALBYTES_BIT)) \
)
#define FEATURE_SIGNATURES_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_535 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_539) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_SIGNATURES_BIT)) \
)
#define FEATURE___SUB___IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_539) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE___SUB___BIT)) \
)
#define FEATURE_MODULE_TRUE_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_537 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_539) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_MODULE_TRUE_BIT)) \
)
#define FEATURE_REFALIASING_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_REFALIASING_BIT) \
)
#define FEATURE_POSTDEREF_QQ_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_523 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_539) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_POSTDEREF_QQ_BIT)) \
)
#define FEATURE_UNIEVAL_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_539) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_UNIEVAL_BIT)) \
)
#define FEATURE_MYREF_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_MYREF_BIT) \
)
#define FEATURE_UNICODE_IS_ENABLED \
( \
(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_511 && \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_539) \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_UNICODE_BIT)) \
)
#define FEATURE_MULTIDIMENSIONAL_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527 \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_MULTIDIMENSIONAL_BIT)) \
)
#define FEATURE_BAREWORD_FILEHANDLES_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_535 \
|| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_BAREWORD_FILEHANDLES_BIT)) \
)
#define FEATURE_MORE_DELIMS_IS_ENABLED \
( \
CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
FEATURE_IS_ENABLED_MASK(FEATURE_MORE_DELIMS_BIT) \
)
#define SAVEFEATUREBITS() SAVEI32(PL_compiling.cop_features)
#define CLEARFEATUREBITS() (PL_compiling.cop_features = 0)
#define FETCHFEATUREBITSHH(hh) S_fetch_feature_bits_hh(aTHX_ (hh))
#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, 5.039),
vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
? FEATURE_BUNDLE_539 :
(sv_setnv(comp_ver, 5.037),
vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
? FEATURE_BUNDLE_537 :
(sv_setnv(comp_ver, 5.035),
vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
? FEATURE_BUNDLE_535 :
(sv_setnv(comp_ver, 5.027),
vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
? FEATURE_BUNDLE_527 :
(sv_setnv(comp_ver, 5.023),
vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
? FEATURE_BUNDLE_523 :
(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 */
#if defined(PERL_IN_MG_C) || defined(PERL_IN_PP_CTL_C)
#define magic_sethint_feature(keysv, keypv, keylen, valsv, valbool) \
S_magic_sethint_feature(aTHX_ (keysv), (keypv), (keylen), (valsv), (valbool))
PERL_STATIC_INLINE void
S_magic_sethint_feature(pTHX_ SV *keysv, const char *keypv, STRLEN keylen,
SV *valsv, bool valbool) {
if (keysv)
keypv = SvPV_const(keysv, keylen);
if (memBEGINs(keypv, keylen, "feature_")) {
const char *subf = keypv + (sizeof("feature_")-1);
U32 mask = 0;
switch (*subf) {
case '_':
if (keylen == sizeof("feature___SUB__")-1
&& memcmp(subf+1, "_SUB__", keylen - sizeof("feature_")) == 0) {
mask = FEATURE___SUB___BIT;
break;
}
return;
case 'b':
if (keylen == sizeof("feature_bareword_filehandles")-1
&& memcmp(subf+1, "areword_filehandles", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_BAREWORD_FILEHANDLES_BIT;
break;
}
else if (keylen == sizeof("feature_bitwise")-1
&& memcmp(subf+1, "itwise", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_BITWISE_BIT;
break;
}
return;
case 'c':
if (keylen == sizeof("feature_class")-1
&& memcmp(subf+1, "lass", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_CLASS_BIT;
break;
}
return;
case 'd':
if (keylen == sizeof("feature_defer")-1
&& memcmp(subf+1, "efer", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_DEFER_BIT;
break;
}
return;
case 'e':
if (keylen == sizeof("feature_evalbytes")-1
&& memcmp(subf+1, "valbytes", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_EVALBYTES_BIT;
break;
}
return;
case 'f':
if (keylen == sizeof("feature_fc")-1
&& memcmp(subf+1, "c", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_FC_BIT;
break;
}
return;
case 'i':
if (keylen == sizeof("feature_indirect")-1
&& memcmp(subf+1, "ndirect", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_INDIRECT_BIT;
break;
}
else if (keylen == sizeof("feature_isa")-1
&& memcmp(subf+1, "sa", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_ISA_BIT;
break;
}
return;
case 'm':
if (keylen == sizeof("feature_module_true")-1
&& memcmp(subf+1, "odule_true", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_MODULE_TRUE_BIT;
break;
}
else if (keylen == sizeof("feature_more_delims")-1
&& memcmp(subf+1, "ore_delims", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_MORE_DELIMS_BIT;
break;
}
else if (keylen == sizeof("feature_multidimensional")-1
&& memcmp(subf+1, "ultidimensional", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_MULTIDIMENSIONAL_BIT;
break;
}
else if (keylen == sizeof("feature_myref")-1
&& memcmp(subf+1, "yref", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_MYREF_BIT;
break;
}
return;
case 'p':
if (keylen == sizeof("feature_postderef_qq")-1
&& memcmp(subf+1, "ostderef_qq", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_POSTDEREF_QQ_BIT;
break;
}
return;
case 'r':
if (keylen == sizeof("feature_refaliasing")-1
&& memcmp(subf+1, "efaliasing", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_REFALIASING_BIT;
break;
}
return;
case 's':
if (keylen == sizeof("feature_say")-1
&& memcmp(subf+1, "ay", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_SAY_BIT;
break;
}
else if (keylen == sizeof("feature_signatures")-1
&& memcmp(subf+1, "ignatures", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_SIGNATURES_BIT;
break;
}
else if (keylen == sizeof("feature_state")-1
&& memcmp(subf+1, "tate", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_STATE_BIT;
break;
}
else if (keylen == sizeof("feature_switch")-1
&& memcmp(subf+1, "witch", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_SWITCH_BIT;
break;
}
return;
case 't':
if (keylen == sizeof("feature_try")-1
&& memcmp(subf+1, "ry", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_TRY_BIT;
break;
}
return;
case 'u':
if (keylen == sizeof("feature_unicode")-1
&& memcmp(subf+1, "nicode", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_UNICODE_BIT;
break;
}
else if (keylen == sizeof("feature_unieval")-1
&& memcmp(subf+1, "nieval", keylen - sizeof("feature_")) == 0) {
mask = FEATURE_UNIEVAL_BIT;
break;
}
return;
default:
return;
}
if (valsv ? SvTRUE(valsv) : valbool)
PL_compiling.cop_features |= mask;
else
PL_compiling.cop_features &= ~mask;
}
}
#endif /* PERL_IN_MG_C */
/* subject to change */
struct perl_feature_bit {
const char *name;
STRLEN namelen;
U32 mask;
};
#ifdef PERL_IN_PP_CTL_C
static const struct perl_feature_bit
PL_feature_bits[] = {
{
/* feature bareword_filehandles */
"feature_bareword_filehandles",
STRLENs("feature_bareword_filehandles"),
FEATURE_BAREWORD_FILEHANDLES_BIT
},
{
/* feature bitwise */
"feature_bitwise",
STRLENs("feature_bitwise"),
FEATURE_BITWISE_BIT
},
{
/* feature class */
"feature_class",
STRLENs("feature_class"),
FEATURE_CLASS_BIT
},
{
/* feature current_sub */
"feature___SUB__",
STRLENs("feature___SUB__"),
FEATURE___SUB___BIT
},
{
/* feature declared_refs */
"feature_myref",
STRLENs("feature_myref"),
FEATURE_MYREF_BIT
},
{
/* feature defer */
"feature_defer",
STRLENs("feature_defer"),
FEATURE_DEFER_BIT
},
{
/* feature evalbytes */
"feature_evalbytes",
STRLENs("feature_evalbytes"),
FEATURE_EVALBYTES_BIT
},
{
/* feature extra_paired_delimiters */
"feature_more_delims",
STRLENs("feature_more_delims"),
FEATURE_MORE_DELIMS_BIT
},
{
/* feature fc */
"feature_fc",
STRLENs("feature_fc"),
FEATURE_FC_BIT
},
{
/* feature indirect */
"feature_indirect",
STRLENs("feature_indirect"),
FEATURE_INDIRECT_BIT
},
{
/* feature isa */
"feature_isa",
STRLENs("feature_isa"),
FEATURE_ISA_BIT
},
{
/* feature module_true */
"feature_module_true",
STRLENs("feature_module_true"),
FEATURE_MODULE_TRUE_BIT
},
{
/* feature multidimensional */
"feature_multidimensional",
STRLENs("feature_multidimensional"),
FEATURE_MULTIDIMENSIONAL_BIT
},
{
/* feature postderef_qq */
"feature_postderef_qq",
STRLENs("feature_postderef_qq"),
FEATURE_POSTDEREF_QQ_BIT
},
{
/* feature refaliasing */
"feature_refaliasing",
STRLENs("feature_refaliasing"),
FEATURE_REFALIASING_BIT
},
{
/* feature say */
"feature_say",
STRLENs("feature_say"),
FEATURE_SAY_BIT
},
{
/* feature signatures */
"feature_signatures",
STRLENs("feature_signatures"),
FEATURE_SIGNATURES_BIT
},
{
/* feature state */
"feature_state",
STRLENs("feature_state"),
FEATURE_STATE_BIT
},
{
/* feature switch */
"feature_switch",
STRLENs("feature_switch"),
FEATURE_SWITCH_BIT
},
{
/* feature try */
"feature_try",
STRLENs("feature_try"),
FEATURE_TRY_BIT
},
{
/* feature unicode_eval */
"feature_unieval",
STRLENs("feature_unieval"),
FEATURE_UNIEVAL_BIT
},
{
/* feature unicode_strings */
"feature_unicode",
STRLENs("feature_unicode"),
FEATURE_UNICODE_BIT
},
{ NULL, 0, 0U }
};
PERL_STATIC_INLINE void
S_fetch_feature_bits_hh(pTHX_ HV *hh) {
PL_compiling.cop_features = 0;
const struct perl_feature_bit *fb = PL_feature_bits;
while (fb->name) {
SV **svp = hv_fetch(hh, fb->name, (I32)fb->namelen, 0);
if (svp && SvTRUE(*svp))
PL_compiling.cop_features |= fb->mask;
++fb;
}
}
#endif
#endif /* PERL_FEATURE_H_ */
/* ex: set ro ft=c: */
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