/* XSUB.h
*
* Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, by Larry Wall and others
+ * 2000, 2001, 2002, 2003, 2004, 2005 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.
Sets up the C<ax> variable.
This is usually handled automatically by C<xsubpp> by calling C<dXSARGS>.
+=for apidoc Ams||dAXMARK
+Sets up the C<ax> variable and stack marker variable C<mark>.
+This is usually handled automatically by C<xsubpp> by calling C<dXSARGS>.
+
=for apidoc Ams||dITEMS
Sets up the C<items> variable.
This is usually handled automatically by C<xsubpp> by calling C<dXSARGS>.
#define ST(off) PL_stack_base[ax + (off)]
+#undef XS
#if defined(__CYGWIN__) && defined(USE_DYNAMIC_LOADING)
# define XS(name) __declspec(dllexport) void name(pTHX_ CV* cv)
-#else
-# define XS(name) void name(pTHX_ CV* cv)
+#endif
+#if defined(SYMBIAN)
+# define XS(name) EXPORT_C void name(pTHX_ CV* cv)
+#endif
+#ifndef XS
+# ifdef HASATTRIBUTE_UNUSED
+# define XS(name) void name(pTHX_ CV* cv __attribute__unused__)
+# else
+# define XS(name) void name(pTHX_ CV* cv)
+# endif
#endif
-#define dAX I32 ax = MARK - PL_stack_base + 1
+#define dAX const I32 ax = MARK - PL_stack_base + 1
+
+#define dAXMARK \
+ I32 ax = POPMARK; \
+ register SV ** const mark = PL_stack_base + ax++
#define dITEMS I32 items = SP - MARK
#define dXSARGS \
- dSP; dMARK; \
- dAX; dITEMS
+ dSP; dAXMARK; dITEMS
-#define dXSTARG SV * targ = ((PL_op->op_private & OPpENTERSUB_HASTARG) \
+#define dXSTARG SV * const targ = ((PL_op->op_private & OPpENTERSUB_HASTARG) \
? PAD_SV(PL_op->op_targ) : sv_newmortal())
/* Should be used before final PUSHi etc. if not in PPCODE section. */
# define XS_VERSION_BOOTCHECK \
STMT_START { \
SV *_sv; STRLEN n_a; \
- char *vn = Nullch, *module = SvPV(ST(0),n_a); \
+ const char *vn = Nullch, *module = SvPV(ST(0),n_a); \
if (items >= 2) /* version supplied as bootstrap arg */ \
_sv = ST(1); \
else { \
# define XS_VERSION_BOOTCHECK
#endif
-#define dXCPT dJMPENV; int rEtV = 0
-#define XCPT_TRY_START JMPENV_PUSH(rEtV); if (rEtV == 0)
-#define XCPT_TRY_END JMPENV_POP;
-#define XCPT_CATCH if (rEtV != 0)
-#define XCPT_RETHROW JMPENV_JUMP(rEtV)
+#ifdef NO_XSLOCKS
+# define dXCPT dJMPENV; int rEtV = 0
+# define XCPT_TRY_START JMPENV_PUSH(rEtV); if (rEtV == 0)
+# define XCPT_TRY_END JMPENV_POP;
+# define XCPT_CATCH if (rEtV != 0)
+# define XCPT_RETHROW JMPENV_JUMP(rEtV)
+#endif
/*
The DBM_setFilter & DBM_ckFilter macros are only used by