/* first, some documentation for xsubpp-generated items */
/*
-=head1 Variables created by C<xsubpp> and C<xsubpp> internal functions
+=head1 C<xsubpp> variables and internal functions
=for apidoc Amn|char*|CLASS
Variable which is setup by C<xsubpp> to indicate the
=for apidoc Amn|(whatever)|RETVAL
Variable which is setup by C<xsubpp> to hold the return value for an
-XSUB. This is always the proper type for the XSUB. See
+XSUB. This is always the proper type for the XSUB. See
L<perlxs/"The RETVAL Variable">.
=for apidoc Amn|(whatever)|THIS
=for apidoc AmU||XS
Macro to declare an XSUB and its C parameter list. This is handled by
-C<xsubpp>. It is the same as using the more explicit XS_EXTERNAL macro.
+C<xsubpp>. It is the same as using the more explicit XS_EXTERNAL macro.
=for apidoc AmU||XS_INTERNAL
Macro to declare an XSUB and its C parameter list without exporting the symbols.
handled automatically by C<xsubpp>.
=for apidoc Ams||dUNDERBAR
-Sets up any variable needed by the C<UNDERBAR> macro. It used to define
-C<padoff_du>, but it is currently a noop. However, it is strongly advised
+Sets up any variable needed by the C<UNDERBAR> macro. It used to define
+C<padoff_du>, but it is currently a noop. However, it is strongly advised
to still use it for ensuring past and future compatibility.
=for apidoc AmU||UNDERBAR
-The SV* corresponding to the $_ variable. Works even if there
+The SV* corresponding to the $_ variable. Works even if there
is a lexical $_ in scope.
=cut
#else
# define dXSARGS \
dSP; dAXMARK; dITEMS
+/* These 3 macros are replacements for dXSARGS macro only in bootstrap.
+ They factor out common code in every BOOT XSUB. Computation of vars mark
+ and items will optimize away in most BOOT functions. Var ax can never be
+ optimized away since BOOT must return &PL_sv_yes by default from xsubpp.
+ Note these macros are not drop in replacements for dXSARGS since they set
+ PL_xsubfilename. */
+# define dXSBOOTARGSXSAPIVERCHK \
+ I32 ax = XS_BOTHVERSION_SETXSUBFN_POPMARK_BOOTCHECK; \
+ SV **mark = PL_stack_base + ax; dSP; dITEMS
+# define dXSBOOTARGSAPIVERCHK \
+ I32 ax = XS_APIVERSION_SETXSUBFN_POPMARK_BOOTCHECK; \
+ SV **mark = PL_stack_base + ax; dSP; dITEMS
+/* dXSBOOTARGSNOVERCHK has no API in xsubpp to choose it so do
+#undef dXSBOOTARGSXSAPIVERCHK
+#define dXSBOOTARGSXSAPIVERCHK dXSBOOTARGSNOVERCHK */
+# define dXSBOOTARGSNOVERCHK \
+ I32 ax = XS_SETXSUBFN_POPMARK; \
+ SV **mark = PL_stack_base + ax; dSP; dITEMS
#endif
#define dXSTARG SV * const targ = ((PL_op->op_private & OPpENTERSUB_HASTARG) \
Macro to verify that the perl api version an XS module has been compiled against
matches the api version of the perl interpreter it's being loaded into.
-=head1 Simple Exception Handling Macros
+=head1 Exception Handling (simple) Macros
=for apidoc Ams||dXCPT
Set up necessary local variables for exception handling.
#ifdef XS_VERSION
# define XS_VERSION_BOOTCHECK \
- Perl_xs_version_bootcheck(aTHX_ items, ax, STR_WITH_LEN(XS_VERSION))
+ Perl_xs_handshake(HS_KEY(FALSE, FALSE, "", XS_VERSION), HS_CXT, __FILE__, \
+ items, ax, XS_VERSION)
#else
# define XS_VERSION_BOOTCHECK
#endif
#define XS_APIVERSION_BOOTCHECK \
- Perl_xs_apiversion_bootcheck(aTHX_ ST(0), STR_WITH_LEN("v" PERL_API_VERSION_STRING))
+ Perl_xs_handshake(HS_KEY(FALSE, FALSE, "v" PERL_API_VERSION_STRING, ""), \
+ HS_CXT, __FILE__, items, ax, "v" PERL_API_VERSION_STRING)
+/* public API, this is a combination of XS_VERSION_BOOTCHECK and
+ XS_APIVERSION_BOOTCHECK in 1, and is backportable */
+#ifdef XS_VERSION
+# define XS_BOTHVERSION_BOOTCHECK \
+ Perl_xs_handshake(HS_KEY(FALSE, FALSE, "v" PERL_API_VERSION_STRING, XS_VERSION), \
+ HS_CXT, __FILE__, items, ax, "v" PERL_API_VERSION_STRING, XS_VERSION)
+#else
+/* should this be a #error? if you want both checked, you better supply XS_VERSION right? */
+# define XS_BOTHVERSION_BOOTCHECK XS_APIVERSION_BOOTCHECK
+#endif
+
+/* private API */
+#define XS_APIVERSION_POPMARK_BOOTCHECK \
+ Perl_xs_handshake(HS_KEY(FALSE, TRUE, "v" PERL_API_VERSION_STRING, ""), \
+ HS_CXT, __FILE__, "v" PERL_API_VERSION_STRING)
+#ifdef XS_VERSION
+# define XS_BOTHVERSION_POPMARK_BOOTCHECK \
+ Perl_xs_handshake(HS_KEY(FALSE, TRUE, "v" PERL_API_VERSION_STRING, XS_VERSION), \
+ HS_CXT, __FILE__, "v" PERL_API_VERSION_STRING, XS_VERSION)
+#else
+/* should this be a #error? if you want both checked, you better supply XS_VERSION right? */
+# define XS_BOTHVERSION_POPMARK_BOOTCHECK XS_APIVERSION_POPMARK_BOOTCHECK
+#endif
+
+#define XS_APIVERSION_SETXSUBFN_POPMARK_BOOTCHECK \
+ Perl_xs_handshake(HS_KEY(TRUE, TRUE, "v" PERL_API_VERSION_STRING, ""), \
+ HS_CXT, __FILE__, "v" PERL_API_VERSION_STRING)
+#ifdef XS_VERSION
+# define XS_BOTHVERSION_SETXSUBFN_POPMARK_BOOTCHECK \
+ Perl_xs_handshake(HS_KEY(TRUE, TRUE, "v" PERL_API_VERSION_STRING, XS_VERSION),\
+ HS_CXT, __FILE__, "v" PERL_API_VERSION_STRING, XS_VERSION)
+#else
+/* should this be a #error? if you want both checked, you better supply XS_VERSION right? */
+# define XS_BOTHVERSION_SETXSUBFN_POPMARK_BOOTCHECK XS_APIVERSION_SETXSUBFN_POPMARK_BOOTCHECK
+#endif
+
+/* For a normal bootstrap without API or XS version checking.
+ Useful for static XS modules or debugging/testing scenarios.
+ If this macro gets heavily used in the future, it should separated into
+ a separate function independent of Perl_xs_handshake for efficiency */
+#define XS_SETXSUBFN_POPMARK \
+ Perl_xs_handshake(HS_KEY(TRUE, TRUE, "", "") | HSf_NOCHK, HS_CXT, __FILE__)
#ifdef NO_XSLOCKS
# define dXCPT dJMPENV; int rEtV = 0
RETVAL = sv_mortalcopy(db_type) ; \
ST(0) = RETVAL ; \
if (db_type && (code == &PL_sv_undef)) { \
- SvREFCNT_dec(db_type) ; \
+ SvREFCNT_dec_NN(db_type) ; \
db_type = NULL ; \
} \
else if (code) { \