[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!
 */


#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)

#define FEATURE_IS_ENABLED(name)				        \
	((CURRENT_HINTS							 \
	   & HINT_LOCALIZE_HH)						  \
	    && Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name)))
/* The longest string we pass in.  */
#define MAX_FEATURE_LEN (sizeof("evalbytes")-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_ARYBASE_IS_ENABLED \
    ( \
	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_511 \
     || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	 FEATURE_IS_ENABLED("arybase")) \
    )

#define FEATURE___SUB___IS_ENABLED \
    ( \
	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
     || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	 FEATURE_IS_ENABLED("__SUB__")) \
    )

#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: */
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
	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
d1fd0100 FC	18	#define CURRENT_HINTS \
d1fd0100 FC	19	(PL_curcop == &PL_compiling ? PL_hints : PL_curcop->cop_hints)
035b6821 FC	20	#define CURRENT_FEATURE_BUNDLE \
035b6821 FC	21	((CURRENT_HINTS & HINT_FEATURE_MASK) >> HINT_FEATURE_SHIFT)
d1fd0100	22
7d058bc9	23	#define FEATURE_IS_ENABLED(name) \
ef744b29	24	((CURRENT_HINTS \
7d058bc9 FC	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
2a4315f8 BF	30	#define FEATURE_FC_IS_ENABLED \
	31	( \
	32	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
	33	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	34	FEATURE_IS_ENABLED("fc")) \
	35	)
	36
03222170 FC	37	#define FEATURE_SAY_IS_ENABLED \
	38	( \
	39	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
	40	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
	41	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	42	FEATURE_IS_ENABLED("say")) \
	43	)
	44
	45	#define FEATURE_STATE_IS_ENABLED \
	46	( \
	47	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
	48	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
	49	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	50	FEATURE_IS_ENABLED("state")) \
	51	)
	52
	53	#define FEATURE_SWITCH_IS_ENABLED \
	54	( \
	55	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \
	56	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
	57	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	58	FEATURE_IS_ENABLED("switch")) \
	59	)
	60
	61	#define FEATURE_EVALBYTES_IS_ENABLED \
	62	( \
	63	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
	64	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	65	FEATURE_IS_ENABLED("evalbytes")) \
	66	)
	67
	68	#define FEATURE_ARYBASE_IS_ENABLED \
	69	( \
beda0318	70	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_511 \
03222170	71	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
3fff3427	72	FEATURE_IS_ENABLED("arybase")) \
03222170 FC	73	)
	74
	75	#define FEATURE___SUB___IS_ENABLED \
	76	( \
	77	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
	78	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	79	FEATURE_IS_ENABLED("__SUB__")) \
	80	)
	81
	82	#define FEATURE_UNIEVAL_IS_ENABLED \
	83	( \
	84	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
	85	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	86	FEATURE_IS_ENABLED("unieval")) \
	87	)
	88
	89	#define FEATURE_UNICODE_IS_ENABLED \
	90	( \
	91	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_511 && \
	92	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
	93	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	94	FEATURE_IS_ENABLED("unicode")) \
	95	)
	96
	97
f2c01b15 FC	98	#endif /* PERL_CORE or PERL_EXT */
f2c01b15 FC	99
4160ddbd FC	100	#ifdef PERL_IN_OP_C
	101	PERL_STATIC_INLINE void
	102	S_enable_feature_bundle(pTHX_ SV *ver)
	103	{
	104	SV *comp_ver = sv_newmortal();
	105	PL_hints = (PL_hints &~ HINT_FEATURE_MASK)
	106	\| (
	107	(sv_setnv(comp_ver, 5.015),
	108	vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
	109	? FEATURE_BUNDLE_515 :
	110	(sv_setnv(comp_ver, 5.011),
	111	vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
	112	? FEATURE_BUNDLE_511 :
	113	(sv_setnv(comp_ver, 5.009005),
	114	vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
	115	? FEATURE_BUNDLE_510 :
	116	FEATURE_BUNDLE_DEFAULT
	117	) << HINT_FEATURE_SHIFT;
6389c777 FC	118	/* special case */
	119	assert(PL_curcop == &PL_compiling);
	120	if (FEATURE_UNICODE_IS_ENABLED) PL_hints \|= HINT_UNI_8_BIT;
	121	else PL_hints &= ~HINT_UNI_8_BIT;
4160ddbd FC	122	}
	123	#endif /* PERL_IN_OP_C */
	124
f2c01b15	125	/* ex: set ro: */