JL_DLLEXPORT jl_value_t *jl_cglobal(jl_value_t *v, jl_value_t *ty)
{
JL_TYPECHK(cglobal, type, ty);
JL_GC_PUSH1(&v);
jl_value_t *rt =
ty == (jl_value_t*)jl_void_type ? (jl_value_t*)jl_voidpointer_type : // a common case
(jl_value_t*)jl_apply_type1((jl_value_t*)jl_pointer_type, ty);
JL_GC_PROMISE_ROOTED(rt); // (JL_ALWAYS_LEAFTYPE)
if (!jl_is_concrete_type(rt))
jl_error("cglobal: type argument not concrete");
if (jl_is_tuple(v) && jl_nfields(v) == 1)
v = jl_fieldref(v, 0);
if (jl_is_pointer(v)) {
v = jl_bitcast(rt, v);
JL_GC_POP();
return v;
}
char *f_lib = NULL;
if (jl_is_tuple(v) && jl_nfields(v) > 1) {
jl_value_t *t1 = jl_fieldref_noalloc(v, 1);
v = jl_fieldref(v, 0);
if (jl_is_symbol(t1))
f_lib = jl_symbol_name((jl_sym_t*)t1);
else if (jl_is_string(t1))
f_lib = jl_string_data(t1);
else
JL_TYPECHK(cglobal, symbol, t1)
}
JL_DLLEXPORT jl_value_t *jl_array_to_string(jl_array_t *a)
{
size_t len = jl_array_len(a);
if (a->flags.how == 3 && a->offset == 0 && a->elsize == 1 &&
(jl_array_ndims(a) != 1 ||
((a->maxsize + sizeof(void*) + 1 <= GC_MAX_SZCLASS) == (len + sizeof(void*) + 1 <= GC_MAX_SZCLASS)))) {
jl_value_t *o = jl_array_data_owner(a);
if (jl_is_string(o)) {
a->flags.isshared = 1;
*(size_t*)o = len;
a->nrows = 0;
#ifdef STORE_ARRAY_LEN
a->length = 0;
#endif
a->maxsize = 0;
return o;
}
}
a->nrows = 0;
#ifdef STORE_ARRAY_LEN
a->length = 0;
#endif
a->maxsize = 0;
return jl_pchar_to_string((const char*)jl_array_data(a), len);
}
JL_DLLEXPORT jl_value_t *jl_cglobal(jl_value_t *v, jl_value_t *ty)
{
JL_TYPECHK(cglobal, type, ty);
jl_value_t *rt =
v == (jl_value_t*)jl_void_type ? (jl_value_t*)jl_voidpointer_type : // a common case
(jl_value_t*)jl_apply_type_((jl_value_t*)jl_pointer_type, &ty, 1);
if (!jl_is_leaf_type(rt))
jl_error("cglobal: type argument not a leaftype");
if (jl_is_tuple(v) && jl_nfields(v) == 1)
v = jl_fieldref(v, 0);
if (jl_is_pointer(v))
return jl_reinterpret(rt, v);
char *f_lib = NULL;
if (jl_is_tuple(v) && jl_nfields(v) > 1) {
jl_value_t *t1 = jl_fieldref(v, 1);
v = jl_fieldref(v, 0);
if (jl_is_symbol(t1))
f_lib = jl_symbol_name((jl_sym_t*)t1);
else if (jl_is_string(t1))
f_lib = jl_string_data(t1);
else
JL_TYPECHK(cglobal, symbol, t1)
}
// return char* from String field in Base.GIT_VERSION_INFO
static const char *git_info_string(const char *fld)
{
static jl_value_t *GIT_VERSION_INFO = NULL;
if (!GIT_VERSION_INFO)
GIT_VERSION_INFO = jl_get_global(jl_base_module, jl_symbol("GIT_VERSION_INFO"));
jl_value_t *f = jl_get_field(GIT_VERSION_INFO, fld);
assert(jl_is_string(f));
return jl_string_data(f);
}
// Check whether v is a scalar for purposes of inlining fused-broadcast
// arguments when lowering; should agree with broadcast.jl on what is a
// scalar. When in doubt, return false, since this is only an optimization.
value_t fl_julia_scalar(fl_context_t *fl_ctx, value_t *args, uint32_t nargs)
{
argcount(fl_ctx, "julia-scalar?", nargs, 1);
if (fl_isnumber(fl_ctx, args[0]) || fl_isstring(fl_ctx, args[0]))
return fl_ctx->T;
else if (iscvalue(args[0]) && fl_ctx->jl_sym == cv_type((cvalue_t*)ptr(args[0]))) {
jl_value_t *v = *(jl_value_t**)cptr(args[0]);
if (jl_isa(v,(jl_value_t*)jl_number_type) || jl_is_string(v))
return fl_ctx->T;
}
return fl_ctx->F;
}
template <> inline std::string unbox<std::string>(jl_value_t* val) { JULIACPP_ASSERT_NOMSG(jl_is_string(val)); return std::string(jl_string_data(val)); }
