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authorKarl Berry <karl@freefriends.org>2016-04-05 22:27:26 +0000
committerKarl Berry <karl@freefriends.org>2016-04-05 22:27:26 +0000
commitb56b320b5e2515160073fa1b469514002688fe11 (patch)
tree965a7100c5e45fca8ec803d22b8b6ce14fca4633 /Master/tlpkg/tlperl/lib/CORE/XSUB.h
parentd26c206452d2e285c3bbf949f34011e4a55fd8f9 (diff)
tlperl 5.22.1 from siep
git-svn-id: svn://tug.org/texlive/trunk@40252 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/tlpkg/tlperl/lib/CORE/XSUB.h')
-rw-r--r--Master/tlpkg/tlperl/lib/CORE/XSUB.h78
1 files changed, 67 insertions, 11 deletions
diff --git a/Master/tlpkg/tlperl/lib/CORE/XSUB.h b/Master/tlpkg/tlperl/lib/CORE/XSUB.h
index 187919158cc..49c15f744e7 100644
--- a/Master/tlpkg/tlperl/lib/CORE/XSUB.h
+++ b/Master/tlpkg/tlperl/lib/CORE/XSUB.h
@@ -14,7 +14,7 @@
/* 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
@@ -170,6 +170,24 @@ is a lexical $_ in scope.
#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) \
@@ -274,7 +292,7 @@ C<xsubpp>. See L<perlxs/"The VERSIONCHECK: Keyword">.
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.
@@ -325,13 +343,57 @@ Rethrows a previously caught exception. See L<perlguts/"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
@@ -352,7 +414,7 @@ Rethrows a previously caught exception. See L<perlguts/"Exception Handling">.
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) { \
@@ -652,11 +714,5 @@ Rethrows a previously caught exception. See L<perlguts/"Exception Handling">.
#endif /* _INC_PERL_XSUB_H */ /* include guard */
/*
- * Local variables:
- * c-indentation-style: bsd
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- *
* ex: set ts=8 sts=4 sw=4 et:
*/