[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)

/* 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___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: */
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
fc4b5f72 NC	23	/* Avoid using ... && Perl_feature_is_enabled(...) as that triggers a bug in
fc4b5f72 NC	24	the HP-UX cc on PA-RISC */
7d058bc9	25	#define FEATURE_IS_ENABLED(name) \
ef744b29	26	((CURRENT_HINTS \
7d058bc9	27	& HINT_LOCALIZE_HH) \
fc4b5f72	28	? Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name)) : FALSE)
7d058bc9	29	/* The longest string we pass in. */
158becca	30	#define MAX_FEATURE_LEN (sizeof("postderef_qq")-1)
7d058bc9	31
2a4315f8 BF	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
03222170 FC	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
b9a36c95 FC	70	#define FEATURE_POSTDEREF_IS_ENABLED \
	71	( \
	72	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	73	FEATURE_IS_ENABLED("postderef") \
	74	)
	75
03222170 FC	76	#define FEATURE_ARYBASE_IS_ENABLED \
03222170 FC	77	( \
beda0318	78	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_511 \
03222170	79	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
3fff3427	80	FEATURE_IS_ENABLED("arybase")) \
03222170 FC	81	)
	82
	83	#define FEATURE___SUB___IS_ENABLED \
	84	( \
	85	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
	86	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	87	FEATURE_IS_ENABLED("__SUB__")) \
	88	)
	89
ebd25686 FC	90	#define FEATURE_LEXSUBS_IS_ENABLED \
	91	( \
	92	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	93	FEATURE_IS_ENABLED("lexsubs") \
	94	)
	95
158becca FC	96	#define FEATURE_POSTDEREF_QQ_IS_ENABLED \
	97	( \
	98	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	99	FEATURE_IS_ENABLED("postderef_qq") \
	100	)
	101
03222170 FC	102	#define FEATURE_UNIEVAL_IS_ENABLED \
	103	( \
	104	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_515 \
	105	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	106	FEATURE_IS_ENABLED("unieval")) \
	107	)
	108
	109	#define FEATURE_UNICODE_IS_ENABLED \
	110	( \
	111	(CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_511 && \
	112	CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_515) \
	113	\|\| (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
	114	FEATURE_IS_ENABLED("unicode")) \
	115	)
	116
	117
f2c01b15 FC	118	#endif /* PERL_CORE or PERL_EXT */
f2c01b15 FC	119
4160ddbd FC	120	#ifdef PERL_IN_OP_C
	121	PERL_STATIC_INLINE void
	122	S_enable_feature_bundle(pTHX_ SV *ver)
	123	{
	124	SV *comp_ver = sv_newmortal();
	125	PL_hints = (PL_hints &~ HINT_FEATURE_MASK)
	126	\| (
	127	(sv_setnv(comp_ver, 5.015),
	128	vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
	129	? FEATURE_BUNDLE_515 :
	130	(sv_setnv(comp_ver, 5.011),
	131	vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
	132	? FEATURE_BUNDLE_511 :
	133	(sv_setnv(comp_ver, 5.009005),
	134	vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
	135	? FEATURE_BUNDLE_510 :
	136	FEATURE_BUNDLE_DEFAULT
	137	) << HINT_FEATURE_SHIFT;
6389c777 FC	138	/* special case */
	139	assert(PL_curcop == &PL_compiling);
	140	if (FEATURE_UNICODE_IS_ENABLED) PL_hints \|= HINT_UNI_8_BIT;
	141	else PL_hints &= ~HINT_UNI_8_BIT;
4160ddbd FC	142	}
	143	#endif /* PERL_IN_OP_C */
	144
f2c01b15	145	/* ex: set ro: */