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#include "perl-gnumeric.h"
SV *
value2perl(const GnmValue *v)
{
SV *sv;
switch (v->type) {
case VALUE_BOOLEAN:
sv = newSViv(v->v_bool.val);
break;
case VALUE_FLOAT:
sv = newSVnv(value_get_as_float (v));
break;
case VALUE_STRING: {
const char *s = value_peek_string (v);
sv = newSVpv(s,strlen(s));
break;
}
default:
sv = NULL;
break;
}
return sv;
}
GnmValue *
perl2value(SV *sv)
{
GnmValue *v = NULL;
if (SvIOK(sv))
v = value_new_int (SvIV(sv));
else if (SvNOK(sv))
v = value_new_float ((gnm_float) SvNV(sv));
else if (SvPOK(sv)) {
STRLEN size;
gchar *tmp;
tmp = SvPV(sv, size);
v = value_new_string_nocopy (g_strndup (tmp, size));
}
return v;
}
GnmValue *
marshal_func (GnmFuncEvalInfo *ei, GnmValue *argv[])
{
dSP;
GnmFunc const *func =
gnm_expr_get_func_def ((GnmExpr const *)ei->func_call);
I32 r;
int i, min, max;
SV * result;
GnmValue *v;
/* Read the perlcall man page for more information. */
ENTER;
SAVETMPS;
PUSHMARK(sp);
function_def_count_args (func, &min, &max);
for (i = 0; i < max && argv[i] != NULL; i++) {
XPUSHs(sv_2mortal(value2perl(argv[i])));
}
PUTBACK;
r = perl_call_sv (gnm_func_get_user_data (func), G_SCALAR);
SPAGAIN;
if (r != 1)
croak("uh oh, beter get maco");
result = POPs;
v = perl2value(result);
PUTBACK;
FREETMPS;
LEAVE;
return v;
}
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