# include "config.h"
#endif
+/* this is used for functions which take a depth trailing
+ * argument under debugging */
+#ifdef DEBUGGING
+#define _pDEPTH ,U32 depth
+#define _aDEPTH ,depth
+#else
+#define _pDEPTH
+#define _aDEPTH
+#endif
+
/* NOTE 1: that with gcc -std=c89 the __STDC_VERSION__ is *not* defined
* because the __STDC_VERSION__ became a thing only with C90. Therefore,
* with gcc, HAS_C99 will never become true as long as we use -std=c89.
# include <locale.h>
#endif
+#ifdef I_XLOCALE
+# include <xlocale.h>
+#endif
+
#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
# define USE_LOCALE
# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
# endif
# endif
#else
-# ifndef memcmp
-# define memcmp my_memcmp
-# endif
+# undef memcmp
+# define memcmp my_memcmp
#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
#ifndef memzero
#define CLEAR_ERRSV() STMT_START { \
SV ** const svp = &GvSV(PL_errgv); \
if (!*svp) { \
- goto clresv_newemptypv; \
+ *svp = newSVpvs(""); \
} else if (SvREADONLY(*svp)) { \
SvREFCNT_dec_NN(*svp); \
- clresv_newemptypv: \
*svp = newSVpvs(""); \
} else { \
SV *const errsv = *svp; \
- sv_setpvs(errsv, ""); \
+ SvPVCLEAR(errsv); \
SvPOK_only(errsv); \
if (SvMAGICAL(errsv)) { \
mg_free(errsv); \
# define Perl_isinf(x) isinfq(x)
# define Perl_isnan(x) isnanq(x)
# define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
+# define Perl_fp_class(x) ((x) == 0.0Q ? 0 : isinfq(x) ? 3 : isnanq(x) ? 4 : PERL_ABS(x) < FLT128_MIN ? 2 : 1)
+# define Perl_fp_class_inf(x) (Perl_fp_class(x) == 3)
+# define Perl_fp_class_nan(x) (Perl_fp_class(x) == 4)
+# define Perl_fp_class_norm(x) (Perl_fp_class(x) == 1)
+# define Perl_fp_class_denorm(x) (Perl_fp_class(x) == 2)
+# define Perl_fp_class_zero(x) (Perl_fp_class(x) == 0)
#else
# define NV_DIG DBL_DIG
# ifdef DBL_MANT_DIG
#else
union any {
void* any_ptr;
+ SV* any_sv;
+ SV** any_svp;
+ GV* any_gv;
+ AV* any_av;
+ HV* any_hv;
+ OP* any_op;
+ char* any_pv;
+ char** any_pvp;
I32 any_i32;
U32 any_u32;
IV any_iv;
#undef _XPVMG_HEAD
#undef _XPVCV_COMMON
-typedef struct _sublex_info SUBLEXINFO;
-struct _sublex_info {
- U8 super_state; /* lexer state to save */
- U16 sub_inwhat; /* "lex_inwhat" to use */
- OP *sub_op; /* "lex_op" to use */
- SV *repl; /* replacement of s/// or y/// */
-};
-
#include "parser.h"
typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
#define DEBUG_DB_RECURSE_FLAG 0x40000000
#define DEBUG_TOP_FLAG 0x80000000 /* -D was given --> PL_debug |= FLAG */
-# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
-# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
-# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
-# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
-# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
-# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
-# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
-# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
-# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
-# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
-# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
-# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
-# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
-# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
-# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
-# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
-# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
-# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
-# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
-# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
-# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
-# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
-# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
-# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
-# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
-# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
-# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
-# define DEBUG_i_TEST_ (PL_debug & DEBUG_i_FLAG)
+# define DEBUG_p_TEST_ UNLIKELY(PL_debug & DEBUG_p_FLAG)
+# define DEBUG_s_TEST_ UNLIKELY(PL_debug & DEBUG_s_FLAG)
+# define DEBUG_l_TEST_ UNLIKELY(PL_debug & DEBUG_l_FLAG)
+# define DEBUG_t_TEST_ UNLIKELY(PL_debug & DEBUG_t_FLAG)
+# define DEBUG_o_TEST_ UNLIKELY(PL_debug & DEBUG_o_FLAG)
+# define DEBUG_c_TEST_ UNLIKELY(PL_debug & DEBUG_c_FLAG)
+# define DEBUG_P_TEST_ UNLIKELY(PL_debug & DEBUG_P_FLAG)
+# define DEBUG_m_TEST_ UNLIKELY(PL_debug & DEBUG_m_FLAG)
+# define DEBUG_f_TEST_ UNLIKELY(PL_debug & DEBUG_f_FLAG)
+# define DEBUG_r_TEST_ UNLIKELY(PL_debug & DEBUG_r_FLAG)
+# define DEBUG_x_TEST_ UNLIKELY(PL_debug & DEBUG_x_FLAG)
+# define DEBUG_u_TEST_ UNLIKELY(PL_debug & DEBUG_u_FLAG)
+# define DEBUG_U_TEST_ UNLIKELY(PL_debug & DEBUG_U_FLAG)
+# define DEBUG_H_TEST_ UNLIKELY(PL_debug & DEBUG_H_FLAG)
+# define DEBUG_X_TEST_ UNLIKELY(PL_debug & DEBUG_X_FLAG)
+# define DEBUG_D_TEST_ UNLIKELY(PL_debug & DEBUG_D_FLAG)
+# define DEBUG_S_TEST_ UNLIKELY(PL_debug & DEBUG_S_FLAG)
+# define DEBUG_T_TEST_ UNLIKELY(PL_debug & DEBUG_T_FLAG)
+# define DEBUG_R_TEST_ UNLIKELY(PL_debug & DEBUG_R_FLAG)
+# define DEBUG_J_TEST_ UNLIKELY(PL_debug & DEBUG_J_FLAG)
+# define DEBUG_v_TEST_ UNLIKELY(PL_debug & DEBUG_v_FLAG)
+# define DEBUG_C_TEST_ UNLIKELY(PL_debug & DEBUG_C_FLAG)
+# define DEBUG_A_TEST_ UNLIKELY(PL_debug & DEBUG_A_FLAG)
+# define DEBUG_q_TEST_ UNLIKELY(PL_debug & DEBUG_q_FLAG)
+# define DEBUG_M_TEST_ UNLIKELY(PL_debug & DEBUG_M_FLAG)
+# define DEBUG_B_TEST_ UNLIKELY(PL_debug & DEBUG_B_FLAG)
+# define DEBUG_L_TEST_ UNLIKELY(PL_debug & DEBUG_L_FLAG)
+# define DEBUG_i_TEST_ UNLIKELY(PL_debug & DEBUG_i_FLAG)
# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
/* Temporarily turn off memory debugging in case the a
* does memory allocation, either directly or indirectly. */
# define DEBUG_m(a) \
- STMT_START { \
- if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
+ STMT_START { \
+ if (PERL_GET_INTERP) { \
+ dTHX; \
+ if (DEBUG_m_TEST) { \
+ PL_debug &= ~DEBUG_m_FLAG; \
+ a; \
+ PL_debug |= DEBUG_m_FLAG; \
+ } \
+ } \
} STMT_END
-# define DEBUG__(t, a) \
- STMT_START { \
- if (t) STMT_START {a;} STMT_END; \
- } STMT_END
+# define DEBUG__(t, a) \
+ STMT_START { \
+ if (t) STMT_START {a;} STMT_END; \
+ } STMT_END
# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
+
#ifndef PERL_EXT_RE_BUILD
# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
#else
# define DEBUG_r(a) STMT_START {a;} STMT_END
#endif /* PERL_EXT_RE_BUILD */
+
# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
#endif /* !PERL_CORE */
#define PL_hints PL_compiling.cop_hints
+#define PL_maxo MAXO
END_EXTERN_C
/* update exp_name[] in toke.c if adding to this enum */
} expectation;
+#define KEY_sigvar 0xFFFF /* fake keyword representing a signature var */
+
/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
special and there is no need for HINT_PRIVATE_MASK for COPs
However, bitops store HINT_INTEGER in their op_private.
/* In C99 we could use designated (named field) union initializers.
* In C89 we need to initialize the member declared first.
+ * In C++ we need extern C initializers.
*
* With the U8_NV version you will want to have inner braces,
- * while with the NV_U8 use just the NV.*/
-#define INFNAN_U8_NV_DECL EXTCONST union { U8 u8[NVSIZE]; NV nv; }
-#define INFNAN_NV_U8_DECL EXTCONST union { NV nv; U8 u8[NVSIZE]; }
-
-#ifdef DOINIT
-
-/* PL_inf and PL_nan initialization.
- *
- * For inf and nan initialization the ultimate fallback is dividing
- * one or zero by zero: however, some compilers will warn or even fail
- * on divide-by-zero, but hopefully something earlier will work.
- *
- * If you are thinking of using HUGE_VAL for infinity, or using
- * <math.h> functions to generate NV_INF (e.g. exp(1e9), log(-1.0)),
- * stop. Neither will work portably: HUGE_VAL can be just DBL_MAX,
- * and the math functions might be just generating DBL_MAX, or even zero.
- *
- * Also, do NOT try doing NV_NAN based on NV_INF and trying (NV_INF-NV_INF).
- * Though logically correct, some compilers (like Visual C 2003)
- * falsely misoptimize that to zero (x-x is always zero, right?)
- *
- * Finally, note that not all floating point formats define Inf (or NaN).
- * For the infinity a large number may be used instead. Operations that
- * under the IEEE floating point would return Inf or NaN may return
- * either large numbers (positive or negative), or they may cause
- * a floating point exception or some other fault.
- */
-
-/* The quadmath literals are anon structs which -Wc++-compat doesn't like. */
-GCC_DIAG_IGNORE(-Wc++-compat)
-
-# ifdef USE_QUADMATH
-/* Cannot use HUGE_VALQ for PL_inf because not a compile-time
- * constant. */
-INFNAN_NV_U8_DECL PL_inf = { 1.0Q/0.0Q };
-# elif NVSIZE == LONG_DOUBLESIZE && defined(LONGDBLINFBYTES)
-INFNAN_U8_NV_DECL PL_inf = { { LONGDBLINFBYTES } };
-# elif NVSIZE == DOUBLESIZE && defined(DOUBLEINFBYTES)
-INFNAN_U8_NV_DECL PL_inf = { { DOUBLEINFBYTES } };
-# else
-# if NVSIZE == LONG_DOUBLESIZE && defined(USE_LONG_DOUBLE)
-# if defined(LDBL_INFINITY)
-INFNAN_NV_U8_DECL PL_inf = { LDBL_INFINITY };
-# elif defined(LDBL_INF)
-INFNAN_NV_U8_DECL PL_inf = { LDBL_INF };
-# elif defined(INFINITY)
-INFNAN_NV_U8_DECL PL_inf = { (NV)INFINITY };
-# elif defined(INF)
-INFNAN_NV_U8_DECL PL_inf = { (NV)INF };
-# else
-INFNAN_NV_U8_DECL PL_inf = { 1.0L/0.0L }; /* keep last */
-# endif
-# else
-# if defined(DBL_INFINITY)
-INFNAN_NV_U8_DECL PL_inf = { DBL_INFINITY };
-# elif defined(DBL_INF)
-INFNAN_NV_U8_DECL PL_inf = { DBL_INF };
-# elif defined(INFINITY) /* C99 */
-INFNAN_NV_U8_DECL PL_inf = { (NV)INFINITY };
-# elif defined(INF)
-INFNAN_NV_U8_DECL PL_inf = { (NV)INF };
-# else
-INFNAN_NV_U8_DECL PL_inf = { 1.0/0.0 }; /* keep last */
-# endif
-# endif
-# endif
-
-# ifdef USE_QUADMATH
-/* Cannot use nanq("0") for PL_nan because not a compile-time
- * constant. */
-INFNAN_NV_U8_DECL PL_nan = { 0.0Q/0.0Q };
-# elif NVSIZE == LONG_DOUBLESIZE && defined(LONGDBLNANBYTES)
-INFNAN_U8_NV_DECL PL_nan = { { LONGDBLNANBYTES } };
-# elif NVSIZE == DOUBLESIZE && defined(DOUBLENANBYTES)
-INFNAN_U8_NV_DECL PL_nan = { { DOUBLENANBYTES } };
-# else
-# if NVSIZE == LONG_DOUBLESIZE && defined(USE_LONG_DOUBLE)
-# if defined(LDBL_NAN)
-INFNAN_NV_U8_DECL PL_nan = { LDBL_NAN };
-# elif defined(LDBL_QNAN)
-INFNAN_NV_U8_DECL PL_nan = { LDBL_QNAN };
-# elif defined(NAN)
-INFNAN_NV_U8_DECL PL_nan = { (NV)NAN };
-# else
-INFNAN_NV_U8_DECL PL_nan = { 0.0L/0.0L }; /* keep last */
-# endif
-# else
-# if defined(DBL_NAN)
-INFNAN_NV_U8_DECL PL_nan = { DBL_NAN };
-# elif defined(DBL_QNAN)
-INFNAN_NV_U8_DECL PL_nan = { DBL_QNAN };
-# elif defined(NAN) /* C99 */
-INFNAN_NV_U8_DECL PL_nan = { (NV)NAN };
-# else
-INFNAN_NV_U8_DECL PL_nan = { 0.0/0.0 }; /* keep last */
-# endif
-# endif
-# endif
-
-GCC_DIAG_RESTORE
+ * while with the NV_U8 use just the NV. */
+#ifdef __cplusplus
+#define INFNAN_U8_NV_DECL EXTERN_C const union { U8 u8[NVSIZE]; NV nv; }
+#define INFNAN_NV_U8_DECL EXTERN_C const union { NV nv; U8 u8[NVSIZE]; }
#else
-
-INFNAN_NV_U8_DECL PL_inf;
-INFNAN_NV_U8_DECL PL_nan;
-
-#endif
-
-/* If you have not defined NV_INF/NV_NAN (like for example win32/win32.h),
- * we will define NV_INF/NV_NAN as the nv part of the global const
- * PL_inf/PL_nan. Note, however, that the preexisting NV_INF/NV_NAN
- * might not be a compile-time constant, in which case it cannot be
- * used to initialize PL_inf/PL_nan above. */
-#ifndef NV_INF
-# define NV_INF PL_inf.nv
-#endif
-#ifndef NV_NAN
-# define NV_NAN PL_nan.nv
+#define INFNAN_U8_NV_DECL EXTCONST union { U8 u8[NVSIZE]; NV nv; }
+#define INFNAN_NV_U8_DECL EXTCONST union { NV nv; U8 u8[NVSIZE]; }
#endif
/* if these never got defined, they need defaults */
/* These locale things are all subject to change */
# define LOCALE_INIT MUTEX_INIT(&PL_locale_mutex)
-# define LOCALE_TERM MUTEX_DESTROY(&PL_locale_mutex)
+
+# ifdef USE_THREAD_SAFE_LOCALE
+# define LOCALE_TERM \
+ STMT_START { \
+ MUTEX_DESTROY(&PL_locale_mutex); \
+ if (PL_C_locale_obj) { \
+ /* Make sure we aren't using the locale \
+ * space we are about to free */ \
+ uselocale(LC_GLOBAL_LOCALE); \
+ freelocale(PL_C_locale_obj); \
+ PL_C_locale_obj = (locale_t) NULL; \
+ } \
+ } STMT_END
+ }
+# else
+# define LOCALE_TERM MUTEX_DESTROY(&PL_locale_mutex)
+# endif
# define LOCALE_LOCK MUTEX_LOCK(&PL_locale_mutex)
# define LOCALE_UNLOCK MUTEX_UNLOCK(&PL_locale_mutex)
/* Returns TRUE if the plain locale pragma without a parameter is in effect
*/
-# define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE)
+# define IN_LOCALE_RUNTIME (PL_curcop \
+ && CopHINTS_get(PL_curcop) & HINT_LOCALE)
/* Returns TRUE if either form of the locale pragma is in effect */
# define IN_SOME_LOCALE_FORM_RUNTIME \
# define IN_LC_PARTIAL_COMPILETIME cBOOL(PL_hints & HINT_LOCALE_PARTIAL)
# define IN_LC_PARTIAL_RUNTIME \
- cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL)
+ (PL_curcop && CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL)
# define IN_LC_COMPILETIME(category) \
(IN_LC_ALL_COMPILETIME || (IN_LC_PARTIAL_COMPILETIME \
# endif /* PERL_CORE or PERL_IN_XSUB_RE */
+#if defined(USE_ITHREADS) \
+ && defined(HAS_NEWLOCALE) \
+ && defined(LC_ALL_MASK) \
+ && defined(HAS_FREELOCALE) \
+ && defined(HAS_USELOCALE) \
+ && ! defined(NO_THREAD_SAFE_USELOCALE)
+
+ /* The code is written for simplicity to assume that any platform advanced
+ * enough to have the Posix 2008 locale functions has LC_ALL. The test
+ * above makes sure that assumption is valid */
+
+# define USE_THREAD_SAFE_LOCALE
+#endif
+
#else /* No locale usage */
# define LOCALE_INIT
# define LOCALE_TERM
#ifdef DOUBLE_IS_IEEE_FORMAT
/* All the basic IEEE formats have the implicit bit,
- * except for the 80-bit extended formats, which will undef this. */
+ * except for the x86 80-bit extended formats, which will undef this.
+ * Also note that the IEEE 754 subnormals (formerly known as denormals)
+ * do not have the implicit bit of one. */
# define NV_IMPLICIT_BIT
#endif
# define LONGDOUBLE_X86_80_BIT
# ifdef USE_LONG_DOUBLE
# undef NV_IMPLICIT_BIT
+# define NV_X86_80_BIT
# endif
# endif
#ifdef DOUBLE_HAS_NAN
+#ifdef DOINIT
+
+/* PL_inf and PL_nan initialization.
+ *
+ * For inf and nan initialization the ultimate fallback is dividing
+ * one or zero by zero: however, some compilers will warn or even fail
+ * on divide-by-zero, but hopefully something earlier will work.
+ *
+ * If you are thinking of using HUGE_VAL for infinity, or using
+ * <math.h> functions to generate NV_INF (e.g. exp(1e9), log(-1.0)),
+ * stop. Neither will work portably: HUGE_VAL can be just DBL_MAX,
+ * and the math functions might be just generating DBL_MAX, or even zero.
+ *
+ * Also, do NOT try doing NV_NAN based on NV_INF and trying (NV_INF-NV_INF).
+ * Though logically correct, some compilers (like Visual C 2003)
+ * falsely misoptimize that to zero (x-x is always zero, right?)
+ *
+ * Finally, note that not all floating point formats define Inf (or NaN).
+ * For the infinity a large number may be used instead. Operations that
+ * under the IEEE floating point would return Inf or NaN may return
+ * either large numbers (positive or negative), or they may cause
+ * a floating point exception or some other fault.
+ */
+
+/* The quadmath literals are anon structs which -Wc++-compat doesn't like. */
+GCC_DIAG_IGNORE(-Wc++-compat)
+
+# ifdef USE_QUADMATH
+/* Cannot use HUGE_VALQ for PL_inf because not a compile-time
+ * constant. */
+INFNAN_NV_U8_DECL PL_inf = { 1.0Q/0.0Q };
+# elif NVSIZE == LONG_DOUBLESIZE && defined(LONGDBLINFBYTES)
+INFNAN_U8_NV_DECL PL_inf = { { LONGDBLINFBYTES } };
+# elif NVSIZE == DOUBLESIZE && defined(DOUBLEINFBYTES)
+INFNAN_U8_NV_DECL PL_inf = { { DOUBLEINFBYTES } };
+# else
+# if NVSIZE == LONG_DOUBLESIZE && defined(USE_LONG_DOUBLE)
+# if defined(LDBL_INFINITY)
+INFNAN_NV_U8_DECL PL_inf = { LDBL_INFINITY };
+# elif defined(LDBL_INF)
+INFNAN_NV_U8_DECL PL_inf = { LDBL_INF };
+# elif defined(INFINITY)
+INFNAN_NV_U8_DECL PL_inf = { (NV)INFINITY };
+# elif defined(INF)
+INFNAN_NV_U8_DECL PL_inf = { (NV)INF };
+# else
+INFNAN_NV_U8_DECL PL_inf = { 1.0L/0.0L }; /* keep last */
+# endif
+# else
+# if defined(DBL_INFINITY)
+INFNAN_NV_U8_DECL PL_inf = { DBL_INFINITY };
+# elif defined(DBL_INF)
+INFNAN_NV_U8_DECL PL_inf = { DBL_INF };
+# elif defined(INFINITY) /* C99 */
+INFNAN_NV_U8_DECL PL_inf = { (NV)INFINITY };
+# elif defined(INF)
+INFNAN_NV_U8_DECL PL_inf = { (NV)INF };
+# else
+INFNAN_NV_U8_DECL PL_inf = { 1.0/0.0 }; /* keep last */
+# endif
+# endif
+# endif
+
+# ifdef USE_QUADMATH
+/* Cannot use nanq("0") for PL_nan because not a compile-time
+ * constant. */
+INFNAN_NV_U8_DECL PL_nan = { 0.0Q/0.0Q };
+# elif NVSIZE == LONG_DOUBLESIZE && defined(LONGDBLNANBYTES)
+INFNAN_U8_NV_DECL PL_nan = { { LONGDBLNANBYTES } };
+# elif NVSIZE == DOUBLESIZE && defined(DOUBLENANBYTES)
+INFNAN_U8_NV_DECL PL_nan = { { DOUBLENANBYTES } };
+# else
+# if NVSIZE == LONG_DOUBLESIZE && defined(USE_LONG_DOUBLE)
+# if defined(LDBL_NAN)
+INFNAN_NV_U8_DECL PL_nan = { LDBL_NAN };
+# elif defined(LDBL_QNAN)
+INFNAN_NV_U8_DECL PL_nan = { LDBL_QNAN };
+# elif defined(NAN)
+INFNAN_NV_U8_DECL PL_nan = { (NV)NAN };
+# else
+INFNAN_NV_U8_DECL PL_nan = { 0.0L/0.0L }; /* keep last */
+# endif
+# else
+# if defined(DBL_NAN)
+INFNAN_NV_U8_DECL PL_nan = { DBL_NAN };
+# elif defined(DBL_QNAN)
+INFNAN_NV_U8_DECL PL_nan = { DBL_QNAN };
+# elif defined(NAN) /* C99 */
+INFNAN_NV_U8_DECL PL_nan = { (NV)NAN };
+# else
+INFNAN_NV_U8_DECL PL_nan = { 0.0/0.0 }; /* keep last */
+# endif
+# endif
+# endif
+
+GCC_DIAG_RESTORE
+
+#else
+
+INFNAN_NV_U8_DECL PL_inf;
+INFNAN_NV_U8_DECL PL_nan;
+
+#endif
+
+/* If you have not defined NV_INF/NV_NAN (like for example win32/win32.h),
+ * we will define NV_INF/NV_NAN as the nv part of the global const
+ * PL_inf/PL_nan. Note, however, that the preexisting NV_INF/NV_NAN
+ * might not be a compile-time constant, in which case it cannot be
+ * used to initialize PL_inf/PL_nan above. */
+#ifndef NV_INF
+# define NV_INF PL_inf.nv
+#endif
+#ifndef NV_NAN
+# define NV_NAN PL_nan.nv
+#endif
+
/* NaNs (not-a-numbers) can carry payload bits, in addition to
* "nan-ness". Part of the payload is the quiet/signaling bit.
* To back up a bit (harhar):
#endif /* DOUBLE_HAS_NAN */
+
/*
(KEEP THIS LAST IN perl.h!)