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ffi_platypus_call.h
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ffi_platypus_call.h
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/* buffer contains the memory required for the arguments structure */
buffer_size = sizeof(ffi_pl_argument) * self->ffi_cif.nargs +
sizeof(void*) * self->ffi_cif.nargs +
sizeof(ffi_pl_arguments);
Newx_or_alloca(buffer, buffer_size, char);
current_argv = arguments = (ffi_pl_arguments*) buffer;
arguments->count = self->ffi_cif.nargs;
argument_pointers = (void**) &arguments->slot[arguments->count];
/*
* ARGUMENT IN
*/
for(i=0, perl_arg_index=(EXTRA_ARGS); i < self->ffi_cif.nargs; i++, perl_arg_index++)
{
int platypus_type = self->argument_types[i]->platypus_type;
argument_pointers[i] = (void*) &arguments->slot[i];
arg = perl_arg_index < items ? ST(perl_arg_index) : &PL_sv_undef;
if(platypus_type == FFI_PL_NATIVE)
{
switch(self->argument_types[i]->ffi_type->type)
{
case FFI_TYPE_UINT8:
ffi_pl_arguments_set_uint8(arguments, i, SvOK(arg) ? SvUV(arg) : 0);
break;
case FFI_TYPE_SINT8:
ffi_pl_arguments_set_sint8(arguments, i, SvOK(arg) ? SvIV(arg) : 0);
break;
case FFI_TYPE_UINT16:
ffi_pl_arguments_set_uint16(arguments, i, SvOK(arg) ? SvUV(arg) : 0);
break;
case FFI_TYPE_SINT16:
ffi_pl_arguments_set_sint16(arguments, i, SvOK(arg) ? SvIV(arg) : 0);
break;
case FFI_TYPE_UINT32:
ffi_pl_arguments_set_uint32(arguments, i, SvOK(arg) ? SvUV(arg) : 0);
break;
case FFI_TYPE_SINT32:
ffi_pl_arguments_set_sint32(arguments, i, SvOK(arg) ? SvIV(arg) : 0);
break;
#ifdef HAVE_IV_IS_64
case FFI_TYPE_UINT64:
ffi_pl_arguments_set_uint64(arguments, i, SvOK(arg) ? SvUV(arg) : 0);
break;
case FFI_TYPE_SINT64:
ffi_pl_arguments_set_sint64(arguments, i, SvOK(arg) ? SvIV(arg) : 0);
break;
#else
case FFI_TYPE_UINT64:
ffi_pl_arguments_set_uint64(arguments, i, SvOK(arg) ? SvU64(arg) : 0);
break;
case FFI_TYPE_SINT64:
ffi_pl_arguments_set_sint64(arguments, i, SvOK(arg) ? SvI64(arg) : 0);
break;
#endif
case FFI_TYPE_FLOAT:
ffi_pl_arguments_set_float(arguments, i, SvOK(arg) ? SvNV(arg) : 0.0);
break;
case FFI_TYPE_DOUBLE:
ffi_pl_arguments_set_double(arguments, i, SvOK(arg) ? SvNV(arg) : 0.0);
break;
case FFI_TYPE_POINTER:
ffi_pl_arguments_set_pointer(arguments, i, SvOK(arg) ? INT2PTR(void*, SvIV(arg)) : NULL);
break;
default:
warn("argument type not supported (%d)", i);
break;
}
}
else if(platypus_type == FFI_PL_STRING)
{
switch(self->argument_types[i]->extra[0].string.platypus_string_type)
{
case FFI_PL_STRING_RW:
case FFI_PL_STRING_RO:
ffi_pl_arguments_set_string(arguments, i, SvOK(arg) ? SvPV_nolen(arg) : NULL);
break;
case FFI_PL_STRING_FIXED:
{
int expected;
STRLEN size;
void *ptr;
expected = self->argument_types[i]->extra[0].string.size;
ptr = SvOK(arg) ? SvPV(arg, size) : NULL;
if(ptr != NULL && expected != 0 && size != expected)
warn("fixed string argument %d has wrong size (is %d, expected %d)", i, (int)size, expected);
ffi_pl_arguments_set_pointer(arguments, i, ptr);
}
break;
}
}
else if(platypus_type == FFI_PL_POINTER)
{
void *ptr;
if(SvROK(arg)) /* TODO: and a scalar ref */
{
SV *arg2 = SvRV(arg);
if(SvTYPE(arg2) < SVt_PVAV)
{
switch(self->argument_types[i]->ffi_type->type)
{
case FFI_TYPE_UINT8:
Newx_or_alloca(ptr, 1, uint8_t);
*((uint8_t*)ptr) = SvOK(arg2) ? SvUV(arg2) : 0;
break;
case FFI_TYPE_SINT8:
Newx_or_alloca(ptr, 1, int8_t);
*((int8_t*)ptr) = SvOK(arg2) ? SvIV(arg2) : 0;
break;
case FFI_TYPE_UINT16:
Newx_or_alloca(ptr, 1, uint16_t);
*((uint16_t*)ptr) = SvOK(arg2) ? SvUV(arg2) : 0;
break;
case FFI_TYPE_SINT16:
Newx_or_alloca(ptr, 1, int16_t);
*((int16_t*)ptr) = SvOK(arg2) ? SvIV(arg2) : 0;
break;
case FFI_TYPE_UINT32:
Newx_or_alloca(ptr, 1, uint32_t);
*((uint32_t*)ptr) = SvOK(arg2) ? SvUV(arg2) : 0;
break;
case FFI_TYPE_SINT32:
Newx_or_alloca(ptr, 1, int32_t);
*((int32_t*)ptr) = SvOK(arg2) ? SvIV(arg2) : 0;
break;
case FFI_TYPE_UINT64:
Newx_or_alloca(ptr, 1, uint64_t);
#ifdef HAVE_IV_IS_64
*((uint64_t*)ptr) = SvOK(arg2) ? SvUV(arg2) : 0;
#else
*((uint64_t*)ptr) = SvOK(arg2) ? SvU64(arg2) : 0;
#endif
break;
case FFI_TYPE_SINT64:
Newx_or_alloca(ptr, 1, int64_t);
#ifdef HAVE_IV_IS_64
*((int64_t*)ptr) = SvOK(arg2) ? SvIV(arg2) : 0;
#else
*((int64_t*)ptr) = SvOK(arg2) ? SvI64(arg2) : 0;
#endif
break;
case FFI_TYPE_FLOAT:
Newx_or_alloca(ptr, 1, float);
*((float*)ptr) = SvOK(arg2) ? SvNV(arg2) : 0.0;
break;
case FFI_TYPE_DOUBLE:
Newx_or_alloca(ptr, 1, double);
*((double*)ptr) = SvOK(arg2) ? SvNV(arg2) : 0.0;
break;
case FFI_TYPE_POINTER:
Newx_or_alloca(ptr, 1, void*);
{
SV *tmp = SvRV(arg);
*((void**)ptr) = SvOK(tmp) ? INT2PTR(void *, SvIV(tmp)) : NULL;
}
break;
#ifdef FFI_PL_PROBE_LONGDOUBLE
case FFI_TYPE_LONGDOUBLE:
Newx_or_alloca(ptr, 1, long double);
ffi_pl_perl_to_long_double(arg2, (long double*)ptr);
break;
#endif
default:
warn("argument type not supported (%d)", i);
*((void**)ptr) = NULL;
break;
}
}
else
{
warn("argument type not a reference to scalar (%d)", i);
ptr = NULL;
}
}
else
{
ptr = NULL;
}
ffi_pl_arguments_set_pointer(arguments, i, ptr);
}
else if(platypus_type == FFI_PL_RECORD)
{
void *ptr;
STRLEN size;
int expected;
expected = self->argument_types[i]->extra[0].record.size;
if(SvROK(arg))
{
SV *arg2 = SvRV(arg);
ptr = SvOK(arg2) ? SvPV(arg2, size) : NULL;
}
else
{
ptr = SvOK(arg) ? SvPV(arg, size) : NULL;
}
if(ptr != NULL && expected != 0 && size != expected)
warn("record argument %d has wrong size (is %d, expected %d)", i, (int)size, expected);
ffi_pl_arguments_set_pointer(arguments, i, ptr);
}
else if(platypus_type == FFI_PL_ARRAY)
{
void *ptr;
int count = self->argument_types[i]->extra[0].array.element_count;
if(SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVAV)
{
AV *av = (AV*) SvRV(arg);
if(count == 0)
count = av_len(av)+1;
switch(self->argument_types[i]->ffi_type->type)
{
case FFI_TYPE_UINT8:
Newx(ptr, count, uint8_t);
for(n=0; n<count; n++)
{
((uint8_t*)ptr)[n] = SvUV(*av_fetch(av, n, 1));
}
break;
case FFI_TYPE_SINT8:
Newx(ptr, count, int8_t);
for(n=0; n<count; n++)
{
((int8_t*)ptr)[n] = SvIV(*av_fetch(av, n, 1));
}
break;
case FFI_TYPE_UINT16:
Newx(ptr, count, uint16_t);
for(n=0; n<count; n++)
{
((uint16_t*)ptr)[n] = SvUV(*av_fetch(av, n, 1));
}
break;
case FFI_TYPE_SINT16:
Newx(ptr, count, int16_t);
for(n=0; n<count; n++)
{
((int16_t*)ptr)[n] = SvIV(*av_fetch(av, n, 1));
}
break;
case FFI_TYPE_UINT32:
Newx(ptr, count, uint32_t);
for(n=0; n<count; n++)
{
((uint32_t*)ptr)[n] = SvUV(*av_fetch(av, n, 1));
}
break;
case FFI_TYPE_SINT32:
Newx(ptr, count, int32_t);
for(n=0; n<count; n++)
{
((int32_t*)ptr)[n] = SvIV(*av_fetch(av, n, 1));
}
break;
case FFI_TYPE_UINT64:
Newx(ptr, count, uint64_t);
for(n=0; n<count; n++)
{
#ifdef HAVE_IV_IS_64
((uint64_t*)ptr)[n] = SvUV(*av_fetch(av, n, 1));
#else
((uint64_t*)ptr)[n] = SvU64(*av_fetch(av, n, 1));
#endif
}
break;
case FFI_TYPE_SINT64:
Newx(ptr, count, int64_t);
for(n=0; n<count; n++)
{
#ifdef HAVE_IV_IS_64
((int64_t*)ptr)[n] = SvIV(*av_fetch(av, n, 1));
#else
((int64_t*)ptr)[n] = SvI64(*av_fetch(av, n, 1));
#endif
}
break;
case FFI_TYPE_FLOAT:
Newx(ptr, count, float);
for(n=0; n<count; n++)
{
((float*)ptr)[n] = SvNV(*av_fetch(av, n, 1));
}
break;
case FFI_TYPE_DOUBLE:
Newx(ptr, count, double);
for(n=0; n<count; n++)
{
((double*)ptr)[n] = SvNV(*av_fetch(av, n, 1));
}
break;
case FFI_TYPE_POINTER:
Newx(ptr, count, void*);
for(n=0; n<count; n++)
{
SV *sv = *av_fetch(av, n, 1);
((void**)ptr)[n] = SvOK(sv) ? INT2PTR(void*, SvIV(sv)) : NULL;
}
break;
#ifdef FFI_PL_PROBE_LONGDOUBLE
case FFI_TYPE_LONGDOUBLE:
Newx(ptr, count, long double);
for(n=0; n<count; n++)
{
SV *sv = *av_fetch(av, n, 1);
ffi_pl_perl_to_long_double(sv, &((long double*)ptr)[n]);
}
break;
#endif
default:
Newxz(ptr, count*self->argument_types[i]->ffi_type->size, char);
warn("argument type not supported (%d)", i);
break;
}
}
else
{
warn("passing non array reference into ffi/platypus array argument type");
Newxz(ptr, count*self->argument_types[i]->ffi_type->size, char);
}
ffi_pl_arguments_set_pointer(arguments, i, ptr);
}
else if(platypus_type == FFI_PL_CLOSURE)
{
if(!SvROK(arg))
{
ffi_pl_arguments_set_pointer(arguments, i, SvOK(arg) ? INT2PTR(void*, SvIV(arg)) : NULL);
}
else
{
ffi_pl_closure *closure;
ffi_status ffi_status;
SvREFCNT_inc(arg);
closure = ffi_pl_closure_get_data(arg, sv_2mortal(newRV_noinc(newSViv(PTR2IV(self->argument_types[i])))));
if(closure != NULL)
{
ffi_pl_arguments_set_pointer(arguments, i, closure->function_pointer);
}
else
{
Newx(closure, 1, ffi_pl_closure);
closure->ffi_closure = ffi_closure_alloc(sizeof(ffi_closure), &closure->function_pointer);
if(closure->ffi_closure == NULL)
{
Safefree(closure);
ffi_pl_arguments_set_pointer(arguments, i, NULL);
warn("unable to allocate memory for closure");
}
else
{
closure->type = self->argument_types[i];
ffi_status = ffi_prep_closure_loc(
closure->ffi_closure,
&self->argument_types[i]->extra[0].closure.ffi_cif,
ffi_pl_closure_call,
closure,
closure->function_pointer
);
if(ffi_status != FFI_OK)
{
ffi_closure_free(closure->ffi_closure);
Safefree(closure);
ffi_pl_arguments_set_pointer(arguments, i, NULL);
warn("unable to create closure");
}
else
{
closure->coderef = SvREFCNT_inc(arg); // XXX does that make it immortal?
ffi_pl_closure_add_data(arg, sv_2mortal(newRV_noinc(newSViv(PTR2IV(self->argument_types[i])))), closure);
ffi_pl_arguments_set_pointer(arguments, i, closure->function_pointer);
}
}
}
}
}
else if(platypus_type == FFI_PL_CUSTOM_PERL)
{
SV *arg2 = ffi_pl_custom_perl(
self->argument_types[i]->extra[0].custom_perl.perl_to_native,
arg,
i
);
if(arg2 != NULL)
{
switch(self->argument_types[i]->ffi_type->type)
{
case FFI_TYPE_UINT8:
ffi_pl_arguments_set_uint8(arguments, i, SvUV(arg2));
break;
case FFI_TYPE_SINT8:
ffi_pl_arguments_set_sint8(arguments, i, SvIV(arg2));
break;
case FFI_TYPE_UINT16:
ffi_pl_arguments_set_uint16(arguments, i, SvUV(arg2));
break;
case FFI_TYPE_SINT16:
ffi_pl_arguments_set_sint16(arguments, i, SvIV(arg2));
break;
case FFI_TYPE_UINT32:
ffi_pl_arguments_set_uint32(arguments, i, SvUV(arg2));
break;
case FFI_TYPE_SINT32:
ffi_pl_arguments_set_sint32(arguments, i, SvIV(arg2));
break;
#ifdef HAVE_IV_IS_64
case FFI_TYPE_UINT64:
ffi_pl_arguments_set_uint64(arguments, i, SvUV(arg2));
break;
case FFI_TYPE_SINT64:
ffi_pl_arguments_set_sint64(arguments, i, SvIV(arg2));
break;
#else
case FFI_TYPE_UINT64:
ffi_pl_arguments_set_uint64(arguments, i, SvU64(arg2));
break;
case FFI_TYPE_SINT64:
ffi_pl_arguments_set_sint64(arguments, i, SvI64(arg2));
break;
#endif
case FFI_TYPE_FLOAT:
ffi_pl_arguments_set_float(arguments, i, SvNV(arg2));
break;
case FFI_TYPE_DOUBLE:
ffi_pl_arguments_set_double(arguments, i, SvNV(arg2));
break;
case FFI_TYPE_POINTER:
ffi_pl_arguments_set_pointer(arguments, i, SvOK(arg2) ? INT2PTR(void*, SvIV(arg2)) : NULL);
break;
default:
warn("argument type not supported (%d)", i);
break;
}
SvREFCNT_dec(arg2);
}
for(n=0; n < self->argument_types[i]->extra[0].custom_perl.argument_count; n++)
{
i++;
argument_pointers[i] = &arguments->slot[i];
}
}
else if(platypus_type == FFI_PL_EXOTIC_FLOAT)
{
switch(self->argument_types[i]->ffi_type->type)
{
#ifdef FFI_PL_PROBE_LONGDOUBLE
case FFI_TYPE_LONGDOUBLE:
{
long double *ptr;
Newx_or_alloca(ptr, 1, long double);
argument_pointers[i] = ptr;
ffi_pl_perl_to_long_double(arg, ptr);
}
break;
#endif
#ifdef FFI_PL_PROBE_COMPLEX
case FFI_TYPE_COMPLEX:
switch(self->argument_types[i]->ffi_type->size)
{
case 8:
{
float *ptr;
Newx_or_alloca(ptr, 2, float complex);
argument_pointers[i] = ptr;
ffi_pl_perl_complex_float(arg, ptr);
}
break;
case 16:
{
double *ptr;
Newx_or_alloca(ptr, 2, double);
argument_pointers[i] = ptr;
ffi_pl_perl_complex_double(arg, ptr);
}
break;
default :
warn("argument type not supported (%d)", i);
break;
}
break;
#endif
default:
warn("argument type not supported (%d)", i);
break;
}
}
else
{
warn("argument type not supported (%d)", i);
}
}
/*
* CALL
*/
#if 0
fprintf(stderr, "# ===[%p]===\n", self->address);
for(i=0; i < self->ffi_cif.nargs; i++)
{
fprintf(stderr, "# [%d] <%d:%d> %p %p",
i,
self->argument_types[i]->ffi_type->type,
self->argument_types[i]->platypus_type,
argument_pointers[i],
&arguments->slot[i]
);
if(self->argument_types[i]->platypus_type == FFI_PL_EXOTIC_FLOAT)
{
switch(self->argument_types[i]->ffi_type->type)
{
case FFI_TYPE_LONGDOUBLE:
fprintf(stderr, " %Lg", *((long double*)argument_pointers[i]));
break;
case FFI_TYPE_COMPLEX:
switch(self->argument_types[i]->ffi_type->size)
{
case 8:
fprintf(stderr, " %g + %g * i",
crealf(*((float complex*)argument_pointers[i])),
cimagf(*((float complex*)argument_pointers[i]))
);
break;
case 16:
fprintf(stderr, " %g + %g * i",
creal(*((double complex*)argument_pointers[i])),
cimag(*((double complex*)argument_pointers[i]))
);
break;
}
}
}
else
{
fprintf(stderr, "%016llx", ffi_pl_arguments_get_uint64(arguments, i));
}
fprintf(stderr, "\n");
}
fprintf(stderr, "# === ===\n");
fflush(stderr);
#endif
current_argv = NULL;
if(self->address != NULL)
{
ffi_call(&self->ffi_cif, self->address, &result, ffi_pl_arguments_pointers(arguments));
}
else
{
void *address = self->ffi_cif.nargs > 0 ? (void*) &cast1 : (void*) &cast0;
ffi_call(&self->ffi_cif, address, &result, ffi_pl_arguments_pointers(arguments));
}
/*
* ARGUMENT OUT
*/
current_argv = arguments;
for(i=self->ffi_cif.nargs-1,perl_arg_index--; i >= 0; i--, perl_arg_index--)
{
platypus_type platypus_type;
platypus_type = self->argument_types[i]->platypus_type;
if(platypus_type == FFI_PL_POINTER)
{
void *ptr = ffi_pl_arguments_get_pointer(arguments, i);
if(ptr != NULL)
{
arg = perl_arg_index < items ? ST(perl_arg_index) : &PL_sv_undef;
if(!SvREADONLY(SvRV(arg)))
{
switch(self->argument_types[i]->ffi_type->type)
{
case FFI_TYPE_UINT8:
sv_setuv(SvRV(arg), *((uint8_t*)ptr));
break;
case FFI_TYPE_SINT8:
sv_setiv(SvRV(arg), *((int8_t*)ptr));
break;
case FFI_TYPE_UINT16:
sv_setuv(SvRV(arg), *((uint16_t*)ptr));
break;
case FFI_TYPE_SINT16:
sv_setiv(SvRV(arg), *((int16_t*)ptr));
break;
case FFI_TYPE_UINT32:
sv_setuv(SvRV(arg), *((uint32_t*)ptr));
break;
case FFI_TYPE_SINT32:
sv_setiv(SvRV(arg), *((int32_t*)ptr));
break;
case FFI_TYPE_UINT64:
#ifdef HAVE_IV_IS_64
sv_setuv(SvRV(arg), *((uint64_t*)ptr));
#else
sv_setu64(SvRV(arg), *((uint64_t*)ptr));
#endif
break;
case FFI_TYPE_SINT64:
#ifdef HAVE_IV_IS_64
sv_setiv(SvRV(arg), *((int64_t*)ptr));
#else
sv_seti64(SvRV(arg), *((int64_t*)ptr));
#endif
break;
case FFI_TYPE_FLOAT:
sv_setnv(SvRV(arg), *((float*)ptr));
break;
case FFI_TYPE_POINTER:
if( *((void**)ptr) == NULL)
sv_setsv(SvRV(arg), &PL_sv_undef);
else
sv_setiv(SvRV(arg), PTR2IV(*((void**)ptr)));
break;
case FFI_TYPE_DOUBLE:
sv_setnv(SvRV(arg), *((double*)ptr));
break;
#ifdef FFI_PL_PROBE_LONGDOUBLE
case FFI_TYPE_LONGDOUBLE:
{
SV *arg2 = SvRV(arg);
ffi_pl_long_double_to_perl(arg2,(long double*)ptr);
}
break;
#endif
}
}
}
Safefree_or_alloca(ptr);
}
else if(platypus_type == FFI_PL_ARRAY)
{
void *ptr = ffi_pl_arguments_get_pointer(arguments, i);
int count = self->argument_types[i]->extra[0].array.element_count;
arg = perl_arg_index < items ? ST(perl_arg_index) : &PL_sv_undef;
if(SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVAV)
{
AV *av = (AV*) SvRV(arg);
if(count == 0)
count = av_len(av)+1;
switch(self->argument_types[i]->ffi_type->type)
{
case FFI_TYPE_UINT8:
for(n=0; n<count; n++)
{
sv_setuv(*av_fetch(av, n, 1), ((uint8_t*)ptr)[n]);
}
break;
case FFI_TYPE_SINT8:
for(n=0; n<count; n++)
{
sv_setiv(*av_fetch(av, n, 1), ((int8_t*)ptr)[n]);
}
break;
case FFI_TYPE_UINT16:
for(n=0; n<count; n++)
{
sv_setuv(*av_fetch(av, n, 1), ((uint16_t*)ptr)[n]);
}
break;
case FFI_TYPE_SINT16:
for(n=0; n<count; n++)
{
sv_setiv(*av_fetch(av, n, 1), ((int16_t*)ptr)[n]);
}
break;
case FFI_TYPE_UINT32:
for(n=0; n<count; n++)
{
sv_setuv(*av_fetch(av, n, 1), ((uint32_t*)ptr)[n]);
}
break;
case FFI_TYPE_SINT32:
for(n=0; n<count; n++)
{
sv_setiv(*av_fetch(av, n, 1), ((int32_t*)ptr)[n]);
}
break;
case FFI_TYPE_UINT64:
for(n=0; n<count; n++)
{
#ifdef HAVE_IV_IS_64
sv_setuv(*av_fetch(av, n, 1), ((uint64_t*)ptr)[n]);
#else
sv_setu64(*av_fetch(av, n, 1), ((uint64_t*)ptr)[n]);
#endif
}
break;
case FFI_TYPE_SINT64:
for(n=0; n<count; n++)
{
#ifdef HAVE_IV_IS_64
sv_setiv(*av_fetch(av, n, 1), ((int64_t*)ptr)[n]);
#else
sv_seti64(*av_fetch(av, n, 1), ((int64_t*)ptr)[n]);
#endif
}
break;
case FFI_TYPE_FLOAT:
for(n=0; n<count; n++)
{
sv_setnv(*av_fetch(av, n, 1), ((float*)ptr)[n]);
}
break;
case FFI_TYPE_POINTER:
for(n=0; n<count; n++)
{
if( ((void**)ptr)[n] == NULL)
{
av_store(av, n, &PL_sv_undef);
}
else
{
sv_setnv(*av_fetch(av,n,1), PTR2IV( ((void**)ptr)[n]) );
}
}
break;
case FFI_TYPE_DOUBLE:
for(n=0; n<count; n++)
{
sv_setnv(*av_fetch(av, n, 1), ((double*)ptr)[n]);
}
break;
#ifdef FFI_PL_PROBE_LONGDOUBLE
case FFI_TYPE_LONGDOUBLE:
for(n=0; n<count; n++)
{
SV *sv;
sv = *av_fetch(av, n, 1);
ffi_pl_long_double_to_perl(sv, &((long double*)ptr)[n]);
}
break;
#endif
}
}
Safefree_or_alloca(ptr);
}
else if(platypus_type == FFI_PL_CLOSURE)
{
arg = perl_arg_index < items ? ST(perl_arg_index) : &PL_sv_undef;
if(SvROK(arg))
{
SvREFCNT_dec(arg);
}
}
else if(platypus_type == FFI_PL_CUSTOM_PERL)
{
/* FIXME: need to fill out argument_types for skipping */
i -= self->argument_types[i]->extra[0].custom_perl.argument_count;
{
SV *coderef = self->argument_types[i]->extra[0].custom_perl.perl_to_native_post;
if(coderef != NULL)
{
arg = perl_arg_index < items ? ST(perl_arg_index) : &PL_sv_undef;
ffi_pl_custom_perl_cb(coderef, arg, i);
}
}
}
#ifndef HAVE_ALLOCA
else if(platypus_type == FFI_PL_EXOTIC_FLOAT)
{
void *ptr = argument_pointers[i];
Safefree_or_alloca(ptr);
}
#endif
}
if(self->return_type->platypus_type != FFI_PL_CUSTOM_PERL)
Safefree_or_alloca(arguments);
current_argv = NULL;
/*
* RETURN VALUE
*/
if(self->return_type->platypus_type == FFI_PL_NATIVE)
{
int type = self->return_type->ffi_type->type;
if(type == FFI_TYPE_VOID || (type == FFI_TYPE_POINTER && result.pointer == NULL))
{
XSRETURN_EMPTY;
}
else
{
switch(self->return_type->ffi_type->type)
{
case FFI_TYPE_UINT8:
#ifdef FFI_PL_PROBE_BIGENDIAN
XSRETURN_UV(result.uint8_array[3]);
#else
XSRETURN_UV(result.uint8);
#endif
break;
case FFI_TYPE_SINT8:
#ifdef FFI_PL_PROBE_BIGENDIAN
XSRETURN_IV(result.sint8_array[3]);
#else
XSRETURN_IV(result.sint8);
#endif
break;
case FFI_TYPE_UINT16:
#ifdef FFI_PL_PROBE_BIGENDIAN
XSRETURN_UV(result.uint16_array[1]);
#else
XSRETURN_UV(result.uint16);
#endif
break;
case FFI_TYPE_SINT16:
#ifdef FFI_PL_PROBE_BIGENDIAN
XSRETURN_IV(result.sint16_array[1]);
#else
XSRETURN_IV(result.sint16);
#endif
break;
case FFI_TYPE_UINT32:
XSRETURN_UV(result.uint32);
break;
case FFI_TYPE_SINT32:
XSRETURN_IV(result.sint32);
break;
case FFI_TYPE_UINT64:
#ifdef HAVE_IV_IS_64
XSRETURN_UV(result.uint64);
#else
{
ST(0) = sv_newmortal();
sv_setu64(ST(0), result.uint64);
XSRETURN(1);
}
#endif
break;
case FFI_TYPE_SINT64:
#ifdef HAVE_IV_IS_64
XSRETURN_IV(result.sint64);
#else
{
ST(0) = sv_newmortal();
sv_seti64(ST(0), result.uint64);
XSRETURN(1);
}
#endif
break;
case FFI_TYPE_FLOAT:
XSRETURN_NV(result.xfloat);
break;
case FFI_TYPE_DOUBLE:
XSRETURN_NV(result.xdouble);
break;
case FFI_TYPE_POINTER:
XSRETURN_IV(PTR2IV(result.pointer));
break;
}
}
}
else if(self->return_type->platypus_type == FFI_PL_STRING)
{
if( result.pointer == NULL )
{
XSRETURN_EMPTY;
}
else
{
if(self->return_type->extra[0].string.platypus_string_type == FFI_PL_STRING_FIXED)
{
SV *value = sv_newmortal();
sv_setpvn(value, result.pointer, self->return_type->extra[0].string.size);
ST(0) = value;
XSRETURN(1);
}
else
{
XSRETURN_PV(result.pointer);
}
}
}
else if(self->return_type->platypus_type == FFI_PL_POINTER)
{
if(result.pointer == NULL)
{
XSRETURN_EMPTY;
}
else
{
SV *value;
switch(self->return_type->ffi_type->type)
{
case FFI_TYPE_UINT8:
value = sv_newmortal();
sv_setuv(value, *((uint8_t*) result.pointer));
break;
case FFI_TYPE_SINT8:
value = sv_newmortal();
sv_setiv(value, *((int8_t*) result.pointer));
break;
case FFI_TYPE_UINT16:
value = sv_newmortal();
sv_setuv(value, *((uint16_t*) result.pointer));
break;
case FFI_TYPE_SINT16:
value = sv_newmortal();
sv_setiv(value, *((int16_t*) result.pointer));
break;
case FFI_TYPE_UINT32:
value = sv_newmortal();
sv_setuv(value, *((uint32_t*) result.pointer));
break;
case FFI_TYPE_SINT32:
value = sv_newmortal();
sv_setiv(value, *((int32_t*) result.pointer));
break;
case FFI_TYPE_UINT64:
value = sv_newmortal();
#ifdef HAVE_IV_IS_64
sv_setuv(value, *((uint64_t*) result.pointer));
#else
sv_seti64(value, *((int64_t*) result.pointer));
#endif
break;
case FFI_TYPE_SINT64:
value = sv_newmortal();
#ifdef HAVE_IV_IS_64
sv_setiv(value, *((int64_t*) result.pointer));
#else
sv_seti64(value, *((int64_t*) result.pointer));
#endif
break;
case FFI_TYPE_FLOAT:
value = sv_newmortal();
sv_setnv(value, *((float*) result.pointer));
break;
case FFI_TYPE_DOUBLE:
value = sv_newmortal();
sv_setnv(value, *((double*) result.pointer));
break;
case FFI_TYPE_POINTER:
value = sv_newmortal();
if( *((void**)result.pointer) == NULL )
value = &PL_sv_undef;
else
sv_setiv(value, PTR2IV(*((void**)result.pointer)));
break;
#ifdef FFI_PL_PROBE_LONGDOUBLE
case FFI_TYPE_LONGDOUBLE:
value = sv_newmortal();
ffi_pl_long_double_to_perl(value, (long double*)result.pointer);
break;
#endif
default:
warn("return type not supported");
XSRETURN_EMPTY;
}
ST(0) = newRV_inc(value);
XSRETURN(1);
}
}
else if(self->return_type->platypus_type == FFI_PL_RECORD)
{
if(result.pointer != NULL)
{
SV *value = sv_newmortal();
sv_setpvn(value, result.pointer, self->return_type->extra[0].record.size);
if(self->return_type->extra[0].record.stash)
{
SV *ref = ST(0) = newRV_inc(value);
sv_bless(ref, self->return_type->extra[0].record.stash);
}
else
{
ST(0) = value;
}
XSRETURN(1);
}
else
{
XSRETURN_EMPTY;
}
}
else if(self->return_type->platypus_type == FFI_PL_ARRAY)
{
if(result.pointer == NULL)
{
XSRETURN_EMPTY;
}
else
{
int count = self->return_type->extra[0].array.element_count;
AV *av;
SV **sv;
Newx(sv, count, SV*);
switch(self->return_type->ffi_type->type)
{
case FFI_TYPE_UINT8:
for(i=0; i<count; i++)