embed.fnc: Trivial comment only

[perl5.git] / vutil.h

diff --git a/vutil.h b/vutil.h
index d307843..ffeb05c 100644 (file)
--- a/vutil.h
+++ b/vutil.h
@@ -1,4 +1,9 @@
-#include "ppport.h"
+/* This file is part of the "version" CPAN distribution.  Please avoid
+   editing it in the perl core. */
+
+#ifndef PERL_CORE
+#  include "ppport.h"
+#endif
 
 /* The MUTABLE_*() macros cast pointers to the types shown, in such a way
  * (compiler permitting) that casting away const-ness will give a warning;
@@ -78,22 +83,64 @@ Perl_ck_warner(pTHX_ U32 err, const char* pat, ...)
 #define PERL_VERSION_GE(r,v,s) \
        (PERL_DECIMAL_VERSION >= PERL_VERSION_DECIMAL(r,v,s))
 
-#define ISA_CLASS_OBJ(v,c) (sv_isobject(v) && sv_derived_from(v,c))
+#if PERL_VERSION_LT(5,15,4)
+#  define ISA_VERSION_OBJ(v) (sv_isobject(v) && sv_derived_from(v,"version"))
+#else
+#  define ISA_VERSION_OBJ(v) (sv_isobject(v) && sv_derived_from_pvn(v,"version",7,0))
+#endif
+
+
+#ifndef PERL_ARGS_ASSERT_CROAK_XS_USAGE
+#define PERL_ARGS_ASSERT_CROAK_XS_USAGE assert(cv); assert(params)
+
+/* prototype to pass -Wmissing-prototypes */
+STATIC void
+S_croak_xs_usage(pTHX_ const CV *const cv, const char *const params);
+
+STATIC void
+S_croak_xs_usage(pTHX_ const CV *const cv, const char *const params)
+{
+    const GV *const gv = CvGV(cv);
+
+    PERL_ARGS_ASSERT_CROAK_XS_USAGE;
+
+    if (gv) {
+        const char *const gvname = GvNAME(gv);
+        const HV *const stash = GvSTASH(gv);
+        const char *const hvname = stash ? HvNAME(stash) : NULL;
+
+        if (hvname)
+            Perl_croak_nocontext("Usage: %s::%s(%s)", hvname, gvname, params);
+        else
+            Perl_croak_nocontext("Usage: %s(%s)", gvname, params);
+    } else {
+        /* Pants. I don't think that it should be possible to get here. */
+        Perl_croak_nocontext("Usage: CODE(0x%" UVxf ")(%s)", PTR2UV(cv), params);
+    }
+}
+
+#ifdef PERL_IMPLICIT_CONTEXT
+#define croak_xs_usage(a,b)    S_croak_xs_usage(aTHX_ a,b)
+#else
+#define croak_xs_usage         S_croak_xs_usage
+#endif
+
+#endif
 
-#if PERL_VERSION_GE(5,9,0)
+#if PERL_VERSION_GE(5,9,0) && !defined(PERL_CORE)
 
 #  define VUTIL_REPLACE_CORE 1
 
-const char * Perl_scan_version2(pTHX_ const char *s, SV *rv, bool qv);
-SV * Perl_new_version2(pTHX_ SV *ver);
-SV * Perl_upg_version2(pTHX_ SV *sv, bool qv);
-SV * Perl_vstringify2(pTHX_ SV *vs);
-SV * Perl_vverify2(pTHX_ SV *vs);
-SV * Perl_vnumify2(pTHX_ SV *vs);
-SV * Perl_vnormal2(pTHX_ SV *vs);
-SV * Perl_vstringify2(pTHX_ SV *vs);
-int Perl_vcmp2(pTHX_ SV *lsv, SV *rsv);
-const char * Perl_prescan_version2(pTHX_ const char *s, bool strict, const char** errstr, bool *sqv, int *ssaw_decimal, int *swidth, bool *salpha);
+static const char * Perl_scan_version2(pTHX_ const char *s, SV *rv, bool qv);
+static SV * Perl_new_version2(pTHX_ SV *ver);
+static SV * Perl_upg_version2(pTHX_ SV *sv, bool qv);
+static SV * Perl_vstringify2(pTHX_ SV *vs);
+static SV * Perl_vverify2(pTHX_ SV *vs);
+static SV * Perl_vnumify2(pTHX_ SV *vs);
+static SV * Perl_vnormal2(pTHX_ SV *vs);
+static SV * Perl_vstringify2(pTHX_ SV *vs);
+static int Perl_vcmp2(pTHX_ SV *lsv, SV *rsv);
+static const char * Perl_prescan_version2(pTHX_ const char *s, bool strict, const char** errstr, bool *sqv, int *ssaw_decimal, int *swidth, bool *salpha);
 
 #  define SCAN_VERSION(a,b,c)  Perl_scan_version2(aTHX_ a,b,c)
 #  define NEW_VERSION(a)       Perl_new_version2(aTHX_ a)
@@ -104,8 +151,10 @@ const char * Perl_prescan_version2(pTHX_ const char *s, bool strict, const char*
 #  define VNORMAL(a)           Perl_vnormal2(aTHX_ a)
 #  define VCMP(a,b)            Perl_vcmp2(aTHX_ a,b)
 #  define PRESCAN_VERSION(a,b,c,d,e,f,g)       Perl_prescan_version2(aTHX_ a,b,c,d,e,f,g)
+#  undef is_LAX_VERSION
 #  define is_LAX_VERSION(a,b) \
        (a != Perl_prescan_version2(aTHX_ a, FALSE, b, NULL, NULL, NULL, NULL))
+#  undef is_STRICT_VERSION
 #  define is_STRICT_VERSION(a,b) \
        (a != Perl_prescan_version2(aTHX_ a, TRUE, b, NULL, NULL, NULL, NULL))
 
@@ -131,10 +180,14 @@ const char * Perl_prescan_version(pTHX_ const char *s, bool strict, const char**
 #  define VCMP(a,b)            Perl_vcmp(aTHX_ a,b)
 
 #  define PRESCAN_VERSION(a,b,c,d,e,f,g)       Perl_prescan_version(aTHX_ a,b,c,d,e,f,g)
-#  define is_LAX_VERSION(a,b) \
+#  ifndef is_LAX_VERSION
+#    define is_LAX_VERSION(a,b) \
        (a != Perl_prescan_version(aTHX_ a, FALSE, b, NULL, NULL, NULL, NULL))
-#  define is_STRICT_VERSION(a,b) \
+#  endif
+#  ifndef is_STRICT_VERSION
+#    define is_STRICT_VERSION(a,b) \
        (a != Perl_prescan_version(aTHX_ a, TRUE, b, NULL, NULL, NULL, NULL))
+#  endif
 
 #endif
 
@@ -168,3 +221,45 @@ const char * Perl_prescan_version(pTHX_ const char *s, bool strict, const char**
 #  define PERL_ARGS_ASSERT_CK_WARNER      \
        assert(pat)
 #endif
+
+
+#if PERL_VERSION_LT(5,27,9)
+#  define LC_NUMERIC_LOCK
+#  define LC_NUMERIC_UNLOCK
+#  if PERL_VERSION_LT(5,19,0)
+#    undef STORE_LC_NUMERIC_SET_STANDARD
+#    undef RESTORE_LC_NUMERIC
+#    undef DECLARATION_FOR_LC_NUMERIC_MANIPULATION
+#    ifdef USE_LOCALE
+#      define DECLARATION_FOR_LC_NUMERIC_MANIPULATION char *loc
+#      define STORE_NUMERIC_SET_STANDARD()\
+        loc = savepv(setlocale(LC_NUMERIC, NULL));  \
+        SAVEFREEPV(loc); \
+        setlocale(LC_NUMERIC, "C");
+#      define RESTORE_LC_NUMERIC()\
+        setlocale(LC_NUMERIC, loc);
+#    else
+#      define DECLARATION_FOR_LC_NUMERIC_MANIPULATION
+#      define STORE_LC_NUMERIC_SET_STANDARD()
+#      define RESTORE_LC_NUMERIC()
+#    endif
+#  endif
+#endif
+
+#ifndef LOCK_NUMERIC_STANDARD
+#  define LOCK_NUMERIC_STANDARD()
+#endif
+
+#ifndef UNLOCK_NUMERIC_STANDARD
+#  define UNLOCK_NUMERIC_STANDARD()
+#endif
+
+/* The names of these changed in 5.28 */
+#ifndef LOCK_LC_NUMERIC_STANDARD
+#  define LOCK_LC_NUMERIC_STANDARD() LOCK_NUMERIC_STANDARD()
+#endif
+#ifndef UNLOCK_LC_NUMERIC_STANDARD
+#  define UNLOCK_LC_NUMERIC_STANDARD() UNLOCK_NUMERIC_STANDARD()
+#endif
+
+/* ex: set ro: */