[perl5.git] / feature.h

/* -*- 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_BITWISE_BIT         0x0001
#define FEATURE___SUB___BIT         0x0002
#define FEATURE_MYREF_BIT           0x0004
#define FEATURE_EVALBYTES_BIT       0x0008
#define FEATURE_FC_BIT              0x0010
#define FEATURE_ISA_BIT             0x0020
#define FEATURE_POSTDEREF_QQ_BIT    0x0040
#define FEATURE_REFALIASING_BIT     0x0080
#define FEATURE_SAY_BIT             0x0100
#define FEATURE_SIGNATURES_BIT      0x0200
#define FEATURE_STATE_BIT           0x0400
#define FEATURE_SWITCH_BIT          0x0800
#define FEATURE_UNIEVAL_BIT         0x1000
#define FEATURE_UNICODE_BIT         0x2000

#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_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)

#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("postderef_qq")-1)

#define FEATURE_FC_IS_ENABLED \
    ( \
	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
	 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
     || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	 FEATURE_IS_ENABLED_MASK(FEATURE_FC_BIT)) \
    )

#define FEATURE_ISA_IS_ENABLED \
    ( \
	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_527) \
     || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	 FEATURE_IS_ENABLED_MASK(FEATURE_SAY_BIT)) \
    )

#define FEATURE_STATE_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_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_CUSTOM && \
	 FEATURE_IS_ENABLED_MASK(FEATURE_BITWISE_BIT)) \
    )

#define FEATURE_EVALBYTES_IS_ENABLED \
    ( \
	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
	 CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
     || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	 FEATURE_IS_ENABLED_MASK(FEATURE_EVALBYTES_BIT)) \
    )

#define FEATURE_SIGNATURES_IS_ENABLED \
    ( \
	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_527) \
     || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	 FEATURE_IS_ENABLED_MASK(FEATURE___SUB___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_527) \
     || (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_527) \
     || (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_527) \
     || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	 FEATURE_IS_ENABLED_MASK(FEATURE_UNICODE_BIT)) \
    )


#define SAVEFEATUREBITS() SAVEI32(PL_compiling.cop_features)

#define CLEARFEATUREBITS() (PL_compiling.cop_features = 0)

#define STOREFEATUREBITSHH(hh) \
  (hv_stores((hh), "feature/bits", newSVuv(PL_compiling.cop_features)))

#define FETCHFEATUREBITSHH(hh)                              \
  STMT_START {                                              \
      SV **fbsv = hv_fetchs((hh), "feature/bits", FALSE);   \
      PL_compiling.cop_features = fbsv ? SvUV(*fbsv) : 0;   \
  } STMT_END

#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, 5.027),
		   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 */

#ifdef PERL_IN_MG_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_bitwise")-1
                 && memcmp(subf+1, "itwise", keylen - sizeof("feature_")) == 0) {
                mask = FEATURE_BITWISE_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_isa")-1
                 && memcmp(subf+1, "sa", keylen - sizeof("feature_")) == 0) {
                mask = FEATURE_ISA_BIT;
                break;
            }
            return;

        case 'm':
            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 '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 */

#endif /* PERL_FEATURE_H_ */

/* ex: set ro: */
Commit	Line	Data
f2c01b15 FC	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
3dd7db29 JK	8	#ifndef PERL_FEATURE_H_
	9	#define PERL_FEATURE_H_
	10
f2c01b15 FC	11	#if defined(PERL_CORE) \|\| defined (PERL_EXT)
	12
	13	#define HINT_FEATURE_SHIFT 26
	14
9f601cf3 TC	15	#define FEATURE_BITWISE_BIT 0x0001
	16	#define FEATURE___SUB___BIT 0x0002
	17	#define FEATURE_MYREF_BIT 0x0004
	18	#define FEATURE_EVALBYTES_BIT 0x0008
	19	#define FEATURE_FC_BIT 0x0010
813e85a0 PE	20	#define FEATURE_ISA_BIT 0x0020
	21	#define FEATURE_POSTDEREF_QQ_BIT 0x0040
	22	#define FEATURE_REFALIASING_BIT 0x0080
	23	#define FEATURE_SAY_BIT 0x0100
	24	#define FEATURE_SIGNATURES_BIT 0x0200
	25	#define FEATURE_STATE_BIT 0x0400
	26	#define FEATURE_SWITCH_BIT 0x0800
	27	#define FEATURE_UNIEVAL_BIT 0x1000
	28	#define FEATURE_UNICODE_BIT 0x2000
9f601cf3	29
f2c01b15 FC	30	#define FEATURE_BUNDLE_DEFAULT 0
	31	#define FEATURE_BUNDLE_510 1
	32	#define FEATURE_BUNDLE_511 2
	33	#define FEATURE_BUNDLE_515 3
2ad792cd	34	#define FEATURE_BUNDLE_523 4
401d2aaa	35	#define FEATURE_BUNDLE_527 5
2b9e0ab7	36	#define FEATURE_BUNDLE_CUSTOM (HINT_FEATURE_MASK >> HINT_FEATURE_SHIFT)
f2c01b15	37
d1fd0100 FC	38	#define CURRENT_HINTS \
d1fd0100 FC	39	(PL_curcop == &PL_compiling ? PL_hints : PL_curcop->cop_hints)
035b6821 FC	40	#define CURRENT_FEATURE_BUNDLE \
035b6821 FC	41	((CURRENT_HINTS & HINT_FEATURE_MASK) >> HINT_FEATURE_SHIFT)
d1fd0100	42
9f601cf3 TC	43	#define FEATURE_IS_ENABLED_MASK(mask) \
	44	((CURRENT_HINTS & HINT_LOCALIZE_HH) \
	45	? (PL_curcop->cop_features & (mask)) : FALSE)
	46
7d058bc9	47	/* The longest string we pass in. */
158becca	48	#define MAX_FEATURE_LEN (sizeof("postderef_qq")-1)
7d058bc9	49
2a4315f8 BF	50	#define FEATURE_FC_IS_ENABLED \
2a4315f8 BF	51	( \
2ad792cd	52	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
401d2aaa	53	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
2a4315f8	54	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
9f601cf3	55	FEATURE_IS_ENABLED_MASK(FEATURE_FC_BIT)) \
2a4315f8 BF	56	)
2a4315f8 BF	57
813e85a0 PE	58	#define FEATURE_ISA_IS_ENABLED \
	59	( \
	60	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	61	FEATURE_IS_ENABLED_MASK(FEATURE_ISA_BIT) \
	62	)
	63
03222170 FC	64	#define FEATURE_SAY_IS_ENABLED \
	65	( \
	66	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
401d2aaa	67	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
03222170	68	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
9f601cf3	69	FEATURE_IS_ENABLED_MASK(FEATURE_SAY_BIT)) \
03222170 FC	70	)
	71
	72	#define FEATURE_STATE_IS_ENABLED \
	73	( \
	74	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
401d2aaa	75	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
03222170	76	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
9f601cf3	77	FEATURE_IS_ENABLED_MASK(FEATURE_STATE_BIT)) \
03222170 FC	78	)
	79
	80	#define FEATURE_SWITCH_IS_ENABLED \
	81	( \
	82	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
401d2aaa	83	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
03222170	84	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
9f601cf3	85	FEATURE_IS_ENABLED_MASK(FEATURE_SWITCH_BIT)) \
03222170 FC	86	)
03222170 FC	87
cec892e7 FC	88	#define FEATURE_BITWISE_IS_ENABLED \
cec892e7 FC	89	( \
401d2aaa FC	90	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_527 \
401d2aaa FC	91	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
9f601cf3	92	FEATURE_IS_ENABLED_MASK(FEATURE_BITWISE_BIT)) \
cec892e7 FC	93	)
cec892e7 FC	94
03222170 FC	95	#define FEATURE_EVALBYTES_IS_ENABLED \
03222170 FC	96	( \
2ad792cd	97	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
401d2aaa	98	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
03222170	99	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
9f601cf3	100	FEATURE_IS_ENABLED_MASK(FEATURE_EVALBYTES_BIT)) \
03222170 FC	101	)
03222170 FC	102
30d9c59b Z	103	#define FEATURE_SIGNATURES_IS_ENABLED \
	104	( \
	105	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
9f601cf3	106	FEATURE_IS_ENABLED_MASK(FEATURE_SIGNATURES_BIT) \
30d9c59b Z	107	)
30d9c59b Z	108
03222170 FC	109	#define FEATURE___SUB___IS_ENABLED \
03222170 FC	110	( \
2ad792cd	111	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
401d2aaa	112	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
03222170	113	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
9f601cf3	114	FEATURE_IS_ENABLED_MASK(FEATURE___SUB___BIT)) \
03222170 FC	115	)
03222170 FC	116
baabe3fb	117	#define FEATURE_REFALIASING_IS_ENABLED \
7b1dc818 FC	118	( \
7b1dc818 FC	119	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
9f601cf3	120	FEATURE_IS_ENABLED_MASK(FEATURE_REFALIASING_BIT) \
7b1dc818 FC	121	)
7b1dc818 FC	122
158becca FC	123	#define FEATURE_POSTDEREF_QQ_IS_ENABLED \
158becca FC	124	( \
401d2aaa FC	125	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_523 && \
401d2aaa FC	126	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
2ad792cd	127	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
9f601cf3	128	FEATURE_IS_ENABLED_MASK(FEATURE_POSTDEREF_QQ_BIT)) \
158becca FC	129	)
158becca FC	130
03222170 FC	131	#define FEATURE_UNIEVAL_IS_ENABLED \
03222170 FC	132	( \
2ad792cd	133	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \
401d2aaa	134	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
03222170	135	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
9f601cf3	136	FEATURE_IS_ENABLED_MASK(FEATURE_UNIEVAL_BIT)) \
03222170 FC	137	)
03222170 FC	138
82d83da3 FC	139	#define FEATURE_MYREF_IS_ENABLED \
	140	( \
	141	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
9f601cf3	142	FEATURE_IS_ENABLED_MASK(FEATURE_MYREF_BIT) \
82d83da3 FC	143	)
82d83da3 FC	144
03222170 FC	145	#define FEATURE_UNICODE_IS_ENABLED \
	146	( \
	147	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_511 && \
401d2aaa	148	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \
03222170	149	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
9f601cf3	150	FEATURE_IS_ENABLED_MASK(FEATURE_UNICODE_BIT)) \
03222170 FC	151	)
	152
	153
9f601cf3 TC	154	#define SAVEFEATUREBITS() SAVEI32(PL_compiling.cop_features)
	155
	156	#define CLEARFEATUREBITS() (PL_compiling.cop_features = 0)
	157
	158	#define STOREFEATUREBITSHH(hh) \
	159	(hv_stores((hh), "feature/bits", newSVuv(PL_compiling.cop_features)))
	160
	161	#define FETCHFEATUREBITSHH(hh) \
	162	STMT_START { \
	163	SV **fbsv = hv_fetchs((hh), "feature/bits", FALSE); \
	164	PL_compiling.cop_features = fbsv ? SvUV(*fbsv) : 0; \
	165	} STMT_END
	166
f2c01b15 FC	167	#endif /* PERL_CORE or PERL_EXT */
f2c01b15 FC	168
4160ddbd FC	169	#ifdef PERL_IN_OP_C
	170	PERL_STATIC_INLINE void
	171	S_enable_feature_bundle(pTHX_ SV *ver)
	172	{
	173	SV *comp_ver = sv_newmortal();
	174	PL_hints = (PL_hints &~ HINT_FEATURE_MASK)
	175	\| (
401d2aaa FC	176	(sv_setnv(comp_ver, 5.027),
	177	vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
	178	? FEATURE_BUNDLE_527 :
2ad792cd AC	179	(sv_setnv(comp_ver, 5.023),
	180	vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
	181	? FEATURE_BUNDLE_523 :
4160ddbd FC	182	(sv_setnv(comp_ver, 5.015),
	183	vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
	184	? FEATURE_BUNDLE_515 :
	185	(sv_setnv(comp_ver, 5.011),
	186	vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
	187	? FEATURE_BUNDLE_511 :
	188	(sv_setnv(comp_ver, 5.009005),
	189	vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
	190	? FEATURE_BUNDLE_510 :
	191	FEATURE_BUNDLE_DEFAULT
	192	) << HINT_FEATURE_SHIFT;
6389c777 FC	193	/* special case */
	194	assert(PL_curcop == &PL_compiling);
	195	if (FEATURE_UNICODE_IS_ENABLED) PL_hints \|= HINT_UNI_8_BIT;
	196	else PL_hints &= ~HINT_UNI_8_BIT;
4160ddbd FC	197	}
	198	#endif /* PERL_IN_OP_C */
	199
b34c1a7e TC	200	#ifdef PERL_IN_MG_C
	201
	202	#define magic_sethint_feature(keysv, keypv, keylen, valsv, valbool) \
	203	S_magic_sethint_feature(aTHX_ (keysv), (keypv), (keylen), (valsv), (valbool))
	204	PERL_STATIC_INLINE void
	205	S_magic_sethint_feature(pTHX_ SV keysv, const char keypv, STRLEN keylen,
	206	SV *valsv, bool valbool) {
	207	if (keysv)
	208	keypv = SvPV_const(keysv, keylen);
	209
	210	if (memBEGINs(keypv, keylen, "feature_")) {
	211	const char *subf = keypv + (sizeof("feature_")-1);
	212	U32 mask = 0;
	213	switch (*subf) {
	214	case '_':
	215	if (keylen == sizeof("feature___SUB__")-1
	216	&& memcmp(subf+1, "_SUB__", keylen - sizeof("feature_")) == 0) {
	217	mask = FEATURE___SUB___BIT;
	218	break;
	219	}
	220	return;
	221
	222	case 'b':
	223	if (keylen == sizeof("feature_bitwise")-1
	224	&& memcmp(subf+1, "itwise", keylen - sizeof("feature_")) == 0) {
	225	mask = FEATURE_BITWISE_BIT;
	226	break;
	227	}
	228	return;
	229
	230	case 'e':
	231	if (keylen == sizeof("feature_evalbytes")-1
	232	&& memcmp(subf+1, "valbytes", keylen - sizeof("feature_")) == 0) {
	233	mask = FEATURE_EVALBYTES_BIT;
	234	break;
	235	}
	236	return;
	237
	238	case 'f':
	239	if (keylen == sizeof("feature_fc")-1
	240	&& memcmp(subf+1, "c", keylen - sizeof("feature_")) == 0) {
	241	mask = FEATURE_FC_BIT;
	242	break;
	243	}
	244	return;
	245
813e85a0 PE	246	case 'i':
	247	if (keylen == sizeof("feature_isa")-1
	248	&& memcmp(subf+1, "sa", keylen - sizeof("feature_")) == 0) {
	249	mask = FEATURE_ISA_BIT;
	250	break;
	251	}
	252	return;
	253
b34c1a7e TC	254	case 'm':
	255	if (keylen == sizeof("feature_myref")-1
	256	&& memcmp(subf+1, "yref", keylen - sizeof("feature_")) == 0) {
	257	mask = FEATURE_MYREF_BIT;
	258	break;
	259	}
	260	return;
	261
	262	case 'p':
	263	if (keylen == sizeof("feature_postderef_qq")-1
	264	&& memcmp(subf+1, "ostderef_qq", keylen - sizeof("feature_")) == 0) {
	265	mask = FEATURE_POSTDEREF_QQ_BIT;
	266	break;
	267	}
	268	return;
	269
	270	case 'r':
	271	if (keylen == sizeof("feature_refaliasing")-1
	272	&& memcmp(subf+1, "efaliasing", keylen - sizeof("feature_")) == 0) {
	273	mask = FEATURE_REFALIASING_BIT;
	274	break;
	275	}
	276	return;
	277
	278	case 's':
	279	if (keylen == sizeof("feature_say")-1
	280	&& memcmp(subf+1, "ay", keylen - sizeof("feature_")) == 0) {
	281	mask = FEATURE_SAY_BIT;
	282	break;
	283	}
	284	else if (keylen == sizeof("feature_signatures")-1
	285	&& memcmp(subf+1, "ignatures", keylen - sizeof("feature_")) == 0) {
	286	mask = FEATURE_SIGNATURES_BIT;
	287	break;
	288	}
	289	else if (keylen == sizeof("feature_state")-1
	290	&& memcmp(subf+1, "tate", keylen - sizeof("feature_")) == 0) {
	291	mask = FEATURE_STATE_BIT;
	292	break;
	293	}
	294	else if (keylen == sizeof("feature_switch")-1
	295	&& memcmp(subf+1, "witch", keylen - sizeof("feature_")) == 0) {
	296	mask = FEATURE_SWITCH_BIT;
	297	break;
	298	}
	299	return;
	300
	301	case 'u':
	302	if (keylen == sizeof("feature_unicode")-1
	303	&& memcmp(subf+1, "nicode", keylen - sizeof("feature_")) == 0) {
	304	mask = FEATURE_UNICODE_BIT;
	305	break;
	306	}
	307	else if (keylen == sizeof("feature_unieval")-1
	308	&& memcmp(subf+1, "nieval", keylen - sizeof("feature_")) == 0) {
	309	mask = FEATURE_UNIEVAL_BIT;
	310	break;
	311	}
	312	return;
	313
	314	default:
	315	return;
	316	}
	317	if (valsv ? SvTRUE(valsv) : valbool)
318	PL_compiling.cop_features \|= mask;
319	else
320	PL_compiling.cop_features &= ~mask;
321	}
322	}
323	#endif /* PERL_IN_MG_C */
324
3dd7db29 JK	325	#endif /* PERL_FEATURE_H_ */
3dd7db29 JK	326
f2c01b15	327	/* ex: set ro: */