File Coverage

XS.xs.cc

Criterion	Covered	Total	%
statement	25	28	89.2
branch	5	12	41.6
condition			n/a
subroutine			n/a
pod			n/a
total	30	40	75.0

/*
 * This file was generated automatically by ExtUtils::ParseXS version 3.34 from the
 * contents of XS.xs. Do not edit this file, edit XS.xs instead.
 *
 *    ANY CHANGES MADE HERE WILL BE LOST!
 *
 */

#line 1 "XS.xs"
#include
#include

#define _TRYNEXT(code) {                                                                                                   \
    try { code; }                                                                                                          \
    catch (const std::logic_error& err) { croak_sv(newSVpvn_flags(err.what(), strlen(err.what()), SVf_UTF8 | SVs_TEMP)); } \
}

static inline HV* proto_stash (pTHX_ SV* proto) {
    if (SvROK(proto)) {
        SV* val = SvRV(proto);
        if (SvOBJECT(val)) return SvSTASH(val);
    }
    return gv_stashsv(proto, GV_ADD);
}

#if PERL_VERSION < 22
    #define optimize(a, ...)
#else

#define PP_METHOD_EXEC(sub) {   \
    dSP;                        \
    XPUSHs((SV*)sub);           \
    PUTBACK;                    \
    return PL_op->op_next;      \
}

#define PP_SUB_EXEC(sub) {                  \
    TOPs = (SV*)sub;                        \
    return PL_ppaddr[OP_ENTERSUB](aTHX);    \
}

#define PP_EMPTY_RETURN {                                                                   \
    if (GIMME_V == G_SCALAR) *(PL_stack_sp = PL_stack_base + TOPMARK + 1) = &PL_sv_undef;   \
    else PL_stack_sp = PL_stack_base + TOPMARK;                                             \
}

#define PP_METHOD_MAYBE_EXEC(sub) {     \
    if (sub) { PP_METHOD_EXEC(sub); }   \
    else {                              \
        PP_EMPTY_RETURN;                \
        return PL_op->op_next->op_next; \
    }                                   \
}

#define PP_SUB_MAYBE_EXEC(sub) {    \
    if (sub) { PP_SUB_EXEC(sub); }  \
    else {                          \
        PP_EMPTY_RETURN;            \
        return PL_op->op_next;      \
    }                               \
}

#ifdef USE_ITHREADS
#  define cGVOPx_gv_set(o,gv) (PAD_SVl(cPADOPx(o)->op_padix) = (SV*)gv)
#else
#  define cGVOPx_gv_set(o,gv) (cSVOPx(o)->op_sv = (SV*)gv)
#endif

static void optimize (pTHX_ OP* op, OP* (*pp_method)(pTHX), OP* (*pp_sub)(pTHX), CV* check, GV* payload = NULL) {
    if ((op->op_spare & 1) || op->op_type != OP_ENTERSUB || !(op->op_flags & OPf_STACKED) || op->op_ppaddr != PL_ppaddr[OP_ENTERSUB]) return;
    op->op_spare |= 1;
    OP* curop = cUNOPx(op)->op_first;
    if (!curop) return; /* Such op can be created by call_sv(G_METHOD_NAMED) */
    while (OpHAS_SIBLING(curop)) curop = OpSIBLING(curop);

    // optimize METHOD_REDIR $self->next::method
    if (curop->op_next == op && curop->op_type == OP_METHOD_REDIR && curop->op_ppaddr == PL_ppaddr[OP_METHOD_REDIR]) {
        curop->op_ppaddr = pp_method;
        if (!payload) return;
        // payload will be in cMETHOPx_rclass(PL_op)
        SV* old = cMETHOPx_rclass(curop);
        cMETHOPx_rclass(curop) = (SV*)payload;
        SvREFCNT_inc(payload);
        SvREFCNT_dec(old);
        return;
    }

    // OPTIMIZE ENTERSUB FOR CASE next::method($self) - compile-time identified subroutines
    if (!OP_TYPE_IS_OR_WAS(curop, OP_LIST)) return;
    curop = cUNOPx(curop)->op_first;
    if (!curop) return;

    while (OpHAS_SIBLING(curop)) curop = OpSIBLING(curop);
    if (!OP_TYPE_IS_OR_WAS(curop, OP_RV2CV)) return;

    curop = cUNOPx(curop)->op_first;
    if (!curop || curop->op_type != OP_GV) return;
    GV* gv = cGVOPx_gv(curop);
    if (GvCV(gv) != check) return;

    op->op_ppaddr = pp_sub;

    if (!payload) return;
    // payload will be in TOPs
    cGVOPx_gv_set(curop, payload);
    SvREFCNT_inc(payload);
    SvREFCNT_dec(gv);
}

// $self->next::can
static OP* ppm_nextcan (pTHX) {
    PL_stack_sp = PL_stack_base + TOPMARK + 1;
    CV* sub;
    _TRYNEXT({ sub = xs::next::method(proto_stash(aTHX_ *PL_stack_sp)); });
    *PL_stack_sp = sub ? sv_2mortal(newRV((SV*)sub)) : &PL_sv_undef;
    return PL_op->op_next->op_next; // skip ENTERSUB
}

// next::can($self)
static OP* pps_nextcan (pTHX) {
    PL_stack_sp = PL_stack_base + TOPMARK + 1;
    CV* sub;
    _TRYNEXT({ sub = xs::next::method(proto_stash(aTHX_ *PL_stack_sp)); });
    *PL_stack_sp = sub ? sv_2mortal(newRV((SV*)sub)) : &PL_sv_undef;
    return PL_op->op_next;
}

// $self->next::method
static OP* ppm_next (pTHX) {
    CV* sub;
    _TRYNEXT({ sub = xs::next::method_strict(proto_stash(aTHX_ PL_stack_base[TOPMARK+1])); });
    PP_METHOD_EXEC(sub);
}

// next::method($self)
static OP* pps_next (pTHX) {
    dSP;
    CV* sub;
    _TRYNEXT({ sub = xs::next::method_strict(proto_stash(aTHX_ PL_stack_base[TOPMARK+1])); });
    PP_SUB_EXEC(sub);
}

// $self->maybe::next::method
static OP* ppm_next_maybe (pTHX) {
    CV* sub;
    _TRYNEXT({ sub = xs::next::method(proto_stash(aTHX_ PL_stack_base[TOPMARK+1])); });
    PP_METHOD_MAYBE_EXEC(sub);
}

// maybe::next::method($self)
static OP* pps_next_maybe (pTHX) {
    dSP;
    CV* sub;
    _TRYNEXT({ sub = xs::next::method(proto_stash(aTHX_ PL_stack_base[TOPMARK+1])); });
    PP_SUB_MAYBE_EXEC(sub);
}

// $self->super::subname
static OP* ppm_super (pTHX) {
    CV* sub;
    _TRYNEXT({ sub = xs::super::method_strict(proto_stash(aTHX_ PL_stack_base[TOPMARK+1]), (GV*)cMETHOPx_rclass(PL_op)); });
    PP_METHOD_EXEC(sub);
}

// super::subname($self)
static OP* pps_super (pTHX) {
    dSP;
    CV* sub;
    _TRYNEXT({ sub = xs::super::method_strict(proto_stash(aTHX_ PL_stack_base[TOPMARK+1]), (GV*)TOPs); });
    PP_SUB_EXEC(sub);
}

// $self->super::maybe::subname
static OP* ppm_super_maybe (pTHX) {
    CV* sub;
    _TRYNEXT({ sub = xs::super::method(proto_stash(aTHX_ PL_stack_base[TOPMARK+1]), (GV*)cMETHOPx_rclass(PL_op)); });
    PP_METHOD_MAYBE_EXEC(sub);
}

// super::maybe::subname($self)
static OP* pps_super_maybe (pTHX) {
    dSP;
    CV* sub;
    _TRYNEXT({ sub = xs::super::method(proto_stash(aTHX_ PL_stack_base[TOPMARK+1]), (GV*)TOPs); });
    PP_SUB_MAYBE_EXEC(sub);
}

#endif

static inline GV* get_current_opsub (pTHX_ const char* name, STRLEN len, bool is_utf8, U32 hash) {
    const HE* const ent = (HE*)hv_common(CopSTASH(PL_curcop), NULL, name, len, is_utf8, 0, NULL, hash);
    if (ent) return (GV*)HeVAL(ent);

    SV* fqn = sv_newmortal();
    sv_catpvn(fqn, HvNAME(CopSTASH(PL_curcop)), HvNAMELEN(CopSTASH(PL_curcop)));
    sv_catpvs(fqn, "::");
    sv_catpvn(fqn, name, len);
    return gv_fetchpvn_flags(SvPVX(fqn), SvCUR(fqn), GV_ADD|(is_utf8 ? SVf_UTF8 : 0), SVt_PVCV);
}

static void super_xsub (pTHX_ CV* cv) {
    dXSARGS; dXSI32;
    if (items < 1) croak_xs_usage(cv,  "proto, ...");
    SP -= items;
    SV* proto = ST(0);

    GV* gv = CvGV(cv);
    HEK* hek = GvNAME_HEK(gv);
    GV* context = get_current_opsub(aTHX_ HEK_KEY(hek), HEK_LEN(hek), HEK_UTF8(hek), HEK_HASH(hek));

    CV* sub;
    if (ix == 0) { // super
        optimize(aTHX_ PL_op, &ppm_super, &pps_super, cv, context);
        _TRYNEXT({ sub = xs::super::method_strict(proto_stash(aTHX_ proto), context); });
    } else { // super::maybe
        optimize(aTHX_ PL_op, &ppm_super_maybe, &pps_super_maybe, cv, context);
        _TRYNEXT({ sub = xs::super::method(proto_stash(aTHX_ proto), context); });
        if (!sub) XSRETURN_EMPTY;
    }

    ENTER;
    PUSHMARK(SP);
    call_sv((SV*)sub, GIMME_V);
    LEAVE;
}

// This sub is defined by hand instead of XSUB syntax because we MUST NOT do POPMARK, because super_xsub will
static void super_AUTOLOAD (pTHX_ CV* cv) {
    dXSI32;
    SV* fqn = get_sv(ix == 0 ? "super::AUTOLOAD" : "super::maybe::AUTOLOAD", 0);
    CV* xsub = newXS(SvPVX(fqn), super_xsub, __FILE__);
    CvXSUBANY(xsub).any_i32 = ix;
    super_xsub(aTHX_ xsub);
    return;
}

#line 238 "XS.xs.cc"
#ifndef PERL_UNUSED_VAR
#  define PERL_UNUSED_VAR(var) if (0) var = var
#endif

#ifndef dVAR
#  define dVAR		dNOOP
#endif


/* This stuff is not part of the API! You have been warned. */
#ifndef PERL_VERSION_DECIMAL
#  define PERL_VERSION_DECIMAL(r,v,s) (r*1000000 + v*1000 + s)
#endif
#ifndef PERL_DECIMAL_VERSION
#  define PERL_DECIMAL_VERSION \
	  PERL_VERSION_DECIMAL(PERL_REVISION,PERL_VERSION,PERL_SUBVERSION)
#endif
#ifndef PERL_VERSION_GE
#  define PERL_VERSION_GE(r,v,s) \
	  (PERL_DECIMAL_VERSION >= PERL_VERSION_DECIMAL(r,v,s))
#endif
#ifndef PERL_VERSION_LE
#  define PERL_VERSION_LE(r,v,s) \
	  (PERL_DECIMAL_VERSION <= PERL_VERSION_DECIMAL(r,v,s))
#endif

/* XS_INTERNAL is the explicit static-linkage variant of the default
 * XS macro.
 *
 * XS_EXTERNAL is the same as XS_INTERNAL except it does not include
 * "STATIC", ie. it exports XSUB symbols. You probably don't want that
 * for anything but the BOOT XSUB.
 *
 * See XSUB.h in core!
 */


/* TODO: This might be compatible further back than 5.10.0. */
#if PERL_VERSION_GE(5, 10, 0) && PERL_VERSION_LE(5, 15, 1)
#  undef XS_EXTERNAL
#  undef XS_INTERNAL
#  if defined(__CYGWIN__) && defined(USE_DYNAMIC_LOADING)
#    define XS_EXTERNAL(name) __declspec(dllexport) XSPROTO(name)
#    define XS_INTERNAL(name) STATIC XSPROTO(name)
#  endif
#  if defined(__SYMBIAN32__)
#    define XS_EXTERNAL(name) EXPORT_C XSPROTO(name)
#    define XS_INTERNAL(name) EXPORT_C STATIC XSPROTO(name)
#  endif
#  ifndef XS_EXTERNAL
#    if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
#      define XS_EXTERNAL(name) void name(pTHX_ CV* cv __attribute__unused__)
#      define XS_INTERNAL(name) STATIC void name(pTHX_ CV* cv __attribute__unused__)
#    else
#      ifdef __cplusplus
#        define XS_EXTERNAL(name) extern "C" XSPROTO(name)
#        define XS_INTERNAL(name) static XSPROTO(name)
#      else
#        define XS_EXTERNAL(name) XSPROTO(name)
#        define XS_INTERNAL(name) STATIC XSPROTO(name)
#      endif
#    endif
#  endif
#endif

/* perl >= 5.10.0 && perl <= 5.15.1 */


/* The XS_EXTERNAL macro is used for functions that must not be static
 * like the boot XSUB of a module. If perl didn't have an XS_EXTERNAL
 * macro defined, the best we can do is assume XS is the same.
 * Dito for XS_INTERNAL.
 */
#ifndef XS_EXTERNAL
#  define XS_EXTERNAL(name) XS(name)
#endif
#ifndef XS_INTERNAL
#  define XS_INTERNAL(name) XS(name)
#endif

/* Now, finally, after all this mess, we want an ExtUtils::ParseXS
 * internal macro that we're free to redefine for varying linkage due
 * to the EXPORT_XSUB_SYMBOLS XS keyword. This is internal, use
 * XS_EXTERNAL(name) or XS_INTERNAL(name) in your code if you need to!
 */

#undef XS_EUPXS
#if defined(PERL_EUPXS_ALWAYS_EXPORT)
#  define XS_EUPXS(name) XS_EXTERNAL(name)
#else
   /* default to internal */
#  define XS_EUPXS(name) XS_INTERNAL(name)
#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(const CV *const cv, const char *const params);

STATIC void
S_croak_xs_usage(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);
    }
}
#undef  PERL_ARGS_ASSERT_CROAK_XS_USAGE

#define croak_xs_usage        S_croak_xs_usage

#endif

/* NOTE: the prototype of newXSproto() is different in versions of perls,
 * so we define a portable version of newXSproto()
 */
#ifdef newXS_flags
#define newXSproto_portable(name, c_impl, file, proto) newXS_flags(name, c_impl, file, proto, 0)
#else
#define newXSproto_portable(name, c_impl, file, proto) (PL_Sv=(SV*)newXS(name, c_impl, file), sv_setpv(PL_Sv, proto), (CV*)PL_Sv)
#endif /* !defined(newXS_flags) */

#if PERL_VERSION_LE(5, 21, 5)
#  define newXS_deffile(a,b) Perl_newXS(aTHX_ a,b,file)
#else
#  define newXS_deffile(a,b) Perl_newXS_deffile(aTHX_ a,b)
#endif

#line 382 "XS.xs.cc"


XS_EUPXS(XS_next_can)
{
    dVAR; dXSARGS;
    if (items != 1)
       croak_xs_usage(cv,  "proto");
    {
	SV *	RETVAL;
	SV*	proto = ST(0)
;
#line 232 "XS.xs"
    optimize(aTHX_ PL_op, &ppm_nextcan, &pps_nextcan, cv);
    CV* sub;
    _TRYNEXT({ sub = xs::next::method(proto_stash(aTHX_ proto)); });
    RETVAL = sub ? newRV((SV*)sub) : &PL_sv_undef;
#line 399 "XS.xs.cc"
	RETVAL = sv_2mortal(RETVAL);
	ST(0) = RETVAL;
    }
    XSRETURN(1);
}



XS_EUPXS(XS_next_method)
{
    dVAR; dXSARGS;
    if (items < 1)
       croak_xs_usage(cv,  "proto, ...");
    PERL_UNUSED_VAR(ax); /* -Wall */
    SP -= items;
    {
	SV*	proto = ST(0)
;
#line 239 "XS.xs"
    optimize(aTHX_ PL_op, &ppm_next, &pps_next, cv);

    CV* sub;
    _TRYNEXT({ sub = xs::next::method_strict(proto_stash(aTHX_ proto)); });

    ENTER;
    PUSHMARK(SP);
    call_sv((SV*)sub, GIMME_V);
    LEAVE;
    return;
#line 429 "XS.xs.cc"
	PUTBACK;
	return;
    }
}



XS_EUPXS(XS_maybe__next_method)
{
    dVAR; dXSARGS;
    if (items < 1)
       croak_xs_usage(cv,  "proto, ...");
    PERL_UNUSED_VAR(ax); /* -Wall */
    SP -= items;
    {
	SV*	proto = ST(0)
;
#line 255 "XS.xs"
    optimize(aTHX_ PL_op, &ppm_next_maybe, &pps_next_maybe, cv);

    CV* sub;
    _TRYNEXT({ sub = xs::next::method(proto_stash(aTHX_ proto)); });
    if (!sub) XSRETURN_EMPTY;

    ENTER;
    PUSHMARK(SP);
    call_sv((SV*)sub, GIMME_V);
    LEAVE;
    return;
#line 459 "XS.xs.cc"
	PUTBACK;
	return;
    }
}

#ifdef __cplusplus
extern "C"
#endif

XS_EXTERNAL(boot_next__XS)
{
#if PERL_VERSION_LE(5, 21, 5)
    dVAR; dXSARGS;
#else
    dVAR; dXSBOOTARGSXSAPIVERCHK;
#endif
#if (PERL_REVISION == 5 && PERL_VERSION < 9)
    char* file = __FILE__;
#else
    const char* file = __FILE__;
#endif

    PERL_UNUSED_VAR(file);

    PERL_UNUSED_VAR(cv); /* -W */
    PERL_UNUSED_VAR(items); /* -W */
#if PERL_VERSION_LE(5, 21, 5)
    XS_VERSION_BOOTCHECK;
#  ifdef XS_APIVERSION_BOOTCHECK
    XS_APIVERSION_BOOTCHECK;
#  endif
#endif

        newXS_deffile("next::can", XS_next_can);
        newXS_deffile("next::method", XS_next_method);
        newXS_deffile("maybe::next::method", XS_maybe__next_method);

    /* Initialisation Section */

#line 268 "XS.xs"
    {
    cv = newXS("super::AUTOLOAD", super_AUTOLOAD, __FILE__);
    XSANY.any_i32 = 0;
    cv = newXS("super::maybe::AUTOLOAD", super_AUTOLOAD, __FILE__);
    XSANY.any_i32 = 1;
    }

#line 507 "XS.xs.cc"

    /* End of Initialisation Section */

#if PERL_VERSION_LE(5, 21, 5)
#  if PERL_VERSION_GE(5, 9, 0)
    if (PL_unitcheckav)
        call_list(PL_scopestack_ix, PL_unitcheckav);
#  endif
    XSRETURN_YES;
#else
    Perl_xs_boot_epilog(aTHX_ ax);
#endif
}