/* XSUB.h
*
- * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others
+ * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+ * 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
handled automatically by C<xsubpp>.
=for apidoc Ams||dUNDERBAR
-Sets up the C<padoff_du> variable for an XSUB that wishes to use
-C<UNDERBAR>.
+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 adviced
+to still use it for ensuring past and future compatibility.
=for apidoc AmU||UNDERBAR
The SV* corresponding to the $_ variable. Works even if there
#define ST(off) PL_stack_base[ax + (off)]
+/* XSPROTO() is also used by SWIG like this:
+ *
+ * typedef XSPROTO(SwigPerlWrapper);
+ * typedef SwigPerlWrapper *SwigPerlWrapperPtr;
+ *
+ * This code needs to be compilable under both C and C++.
+ *
+ * Don't forget to change the __attribute__unused__ version of XS()
+ * below too if you change XSPROTO() here.
+ */
+#define XSPROTO(name) void name(pTHX_ CV* cv)
+
#undef XS
#if defined(__CYGWIN__) && defined(USE_DYNAMIC_LOADING)
-# define XS(name) __declspec(dllexport) void name(pTHX_ CV* cv)
+# define XS(name) __declspec(dllexport) XSPROTO(name)
#endif
#if defined(__SYMBIAN32__)
-# define XS(name) EXPORT_C void name(pTHX_ CV* cv)
+# define XS(name) EXPORT_C XSPROTO(name)
#endif
#ifndef XS
# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
# define XS(name) void name(pTHX_ CV* cv __attribute__unused__)
# else
# ifdef __cplusplus
-# define XS(name) extern "C" void name(pTHX_ CV* cv)
+# define XS(name) extern "C" XSPROTO(name)
# else
-# define XS(name) void name(pTHX_ CV* cv)
+# define XS(name) XSPROTO(name)
# endif
# endif
#endif
-#define dAX const I32 ax = MARK - PL_stack_base + 1
+#define dAX const I32 ax = (I32)(MARK - PL_stack_base + 1)
#define dAXMARK \
I32 ax = POPMARK; \
register SV **mark = PL_stack_base + ax++
-#define dITEMS I32 items = SP - MARK
+#define dITEMS I32 items = (I32)(SP - MARK)
#if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
# define dXSARGS \
#ifdef __cplusplus
# define XSINTERFACE_CVT(ret,name) ret (*name)(...)
+# define XSINTERFACE_CVT_ANON(ret) ret (*)(...)
#else
# define XSINTERFACE_CVT(ret,name) ret (*name)()
+# define XSINTERFACE_CVT_ANON(ret) ret (*)()
#endif
#define dXSFUNCTION(ret) XSINTERFACE_CVT(ret,XSFUNCTION)
-#define XSINTERFACE_FUNC(ret,cv,f) ((XSINTERFACE_CVT(ret,))(f))
+#define XSINTERFACE_FUNC(ret,cv,f) ((XSINTERFACE_CVT_ANON(ret))(f))
#define XSINTERFACE_FUNC_SET(cv,f) \
CvXSUBANY(cv).any_dxptr = (void (*) (pTHX_ void*))(f)
-#define dUNDERBAR PADOFFSET padoff_du = find_rundefsvoffset()
-#define UNDERBAR ((padoff_du == NOT_IN_PAD \
- || PAD_COMPNAME_FLAGS_isOUR(padoff_du)) \
- ? DEFSV : PAD_SVl(padoff_du))
+#define dUNDERBAR dNOOP
+#define UNDERBAR find_rundefsv()
/* Simple macros to put new mortal values onto the stack. */
/* Typically used to return values from XS functions. */
module's C<XS_VERSION> variable. This is usually handled automatically by
C<xsubpp>. See L<perlxs/"The VERSIONCHECK: Keyword">.
+=for apidoc Ams||XS_APIVERSION_BOOTCHECK
+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
=for apidoc Ams||dXCPT
#define XST_mUV(i,v) (ST(i) = sv_2mortal(newSVuv(v)) )
#define XST_mNV(i,v) (ST(i) = sv_2mortal(newSVnv(v)) )
#define XST_mPV(i,v) (ST(i) = sv_2mortal(newSVpv(v,0)))
-#define XST_mPVN(i,v,n) (ST(i) = sv_2mortal(newSVpvn(v,n)))
+#define XST_mPVN(i,v,n) (ST(i) = newSVpvn_flags(v,n, SVs_TEMP))
#define XST_mNO(i) (ST(i) = &PL_sv_no )
#define XST_mYES(i) (ST(i) = &PL_sv_yes )
#define XST_mUNDEF(i) (ST(i) = &PL_sv_undef)
#define XSRETURN(off) \
STMT_START { \
- IV tmpXSoff = (off); \
+ const IV tmpXSoff = (off); \
PL_stack_sp = PL_stack_base + ax + (tmpXSoff - 1); \
return; \
} STMT_END
#define newXSproto(a,b,c,d) newXS_flags(a,b,c,d,0)
#ifdef XS_VERSION
-# define XS_VERSION_BOOTCHECK \
+# define XS_VERSION_BOOTCHECK \
STMT_START { \
SV *_sv; \
const char *vn = NULL, *module = SvPV_nolen_const(ST(0)); \
else { \
/* XXX GV_ADDWARN */ \
_sv = get_sv(Perl_form(aTHX_ "%s::%s", module, \
- vn = "XS_VERSION"), FALSE); \
+ vn = "XS_VERSION"), 0); \
if (!_sv || !SvOK(_sv)) \
- _sv = get_sv(Perl_form(aTHX_ "%s::%s", module, \
- vn = "VERSION"), FALSE); \
+ _sv = get_sv(Perl_form(aTHX_ "%s::%s", module, \
+ vn = "VERSION"), 0); \
} \
if (_sv) { \
- SV *xssv = Perl_newSVpv(aTHX_ XS_VERSION, 0); \
- xssv = new_version(xssv); \
- if ( !sv_derived_from(_sv, "version") ) \
- _sv = new_version(_sv); \
- if ( vcmp(_sv,xssv) ) \
- Perl_croak(aTHX_ "%s object version %"SVf" does not match %s%s%s%s %"SVf,\
- module, vstringify(xssv), \
- vn ? "$" : "", vn ? module : "", vn ? "::" : "", \
- vn ? vn : "bootstrap parameter", vstringify(_sv));\
+ SV *xpt = NULL; \
+ SV *xssv = Perl_newSVpvn(aTHX_ STR_WITH_LEN(XS_VERSION)); \
+ SV *pmsv = sv_derived_from(_sv, "version") \
+ ? SvREFCNT_inc_simple_NN(_sv) \
+ : new_version(_sv); \
+ xssv = upg_version(xssv, 0); \
+ if ( vcmp(pmsv,xssv) ) { \
+ xpt = Perl_newSVpvf(aTHX_ "%s object version %"SVf \
+ " does not match %s%s%s%s %"SVf, \
+ module, \
+ SVfARG(Perl_sv_2mortal(aTHX_ vstringify(xssv))), \
+ vn ? "$" : "", vn ? module : "", \
+ vn ? "::" : "", \
+ vn ? vn : "bootstrap parameter", \
+ SVfARG(Perl_sv_2mortal(aTHX_ vstringify(pmsv)))); \
+ Perl_sv_2mortal(aTHX_ xpt); \
+ } \
+ SvREFCNT_dec(xssv); \
+ SvREFCNT_dec(pmsv); \
+ if (xpt) \
+ Perl_croak_sv(aTHX_ xpt); \
} \
} STMT_END
#else
# define XS_VERSION_BOOTCHECK
#endif
+#define XS_APIVERSION_BOOTCHECK \
+ STMT_START { \
+ SV *_xpt = NULL; \
+ SV *_compver = Perl_newSVpv(aTHX_ "v" PERL_API_VERSION_STRING, 0); \
+ SV *_runver = new_version(PL_apiversion); \
+ _compver = upg_version(_compver, 0); \
+ if (vcmp(_compver, _runver)) { \
+ _xpt = Perl_newSVpvf(aTHX_ "Perl API version %"SVf \
+ " of %s does not match %"SVf, \
+ SVfARG(Perl_sv_2mortal(aTHX_ vstringify(_compver))), \
+ SvPV_nolen_const(ST(0)), \
+ SVfARG(Perl_sv_2mortal(aTHX_ vstringify(_runver)))); \
+ Perl_sv_2mortal(aTHX_ _xpt); \
+ } \
+ SvREFCNT_dec(_compver); \
+ SvREFCNT_dec(_runver); \
+ if (_xpt) \
+ Perl_croak_sv(aTHX_ _xpt); \
+ } STMT_END
+
#ifdef NO_XSLOCKS
# define dXCPT dJMPENV; int rEtV = 0
# define XCPT_TRY_START JMPENV_PUSH(rEtV); if (rEtV == 0)
# define XCPT_RETHROW JMPENV_JUMP(rEtV)
#endif
-/*
- The DBM_setFilter & DBM_ckFilter macros are only used by
- the *DB*_File modules
+/*
+ The DBM_setFilter & DBM_ckFilter macros are only used by
+ the *DB*_File modules
*/
#define DBM_setFilter(db_type,code) \
SAVETMPS ; \
SAVEINT(db->filtering) ; \
db->filtering = TRUE ; \
- SAVESPTR(DEFSV) ; \
+ SAVE_DEFSV ; \
if (name[7] == 's') \
arg = newSVsv(arg); \
- DEFSV = arg ; \
+ DEFSV_set(arg) ; \
SvTEMP_off(arg) ; \
PUSHMARK(SP) ; \
PUTBACK ; \
# define VTBL_uvar &PL_vtbl_uvar
# define VTBL_defelem &PL_vtbl_defelem
# define VTBL_regexp &PL_vtbl_regexp
-# define VTBL_regdata_names &PL_vtbl_regdata_names
# define VTBL_regdata &PL_vtbl_regdata
# define VTBL_regdatum &PL_vtbl_regdatum
# ifdef USE_LOCALE_COLLATE
#endif
#include "perlapi.h"
-#ifndef PERL_MAD
-# undef PL_madskills
-# undef PL_xmlfp
-# define PL_madskills 0
-# define PL_xmlfp 0
-#endif
#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_NO_GET_CONTEXT) && !defined(PERL_CORE)
# undef aTHX
# undef setservent
#endif /* NETWARE */
+/* to avoid warnings: "xyz" redefined */
+#ifdef WIN32
+# undef popen
+# undef pclose
+#endif /* WIN32 */
+
# undef socketpair
# define mkdir PerlDir_mkdir
# define ferror PerlSIO_ferror
# define clearerr PerlSIO_clearerr
# define getc PerlSIO_getc
+# define fgets PerlSIO_fgets
# define fputc PerlSIO_fputc
# define fputs PerlSIO_fputs
# define fflush PerlSIO_fflush