static VALUE
make_struct(VALUE name, VALUE members, VALUE klass)
{
VALUE nstr;
ID id;
long i, len;
OBJ_FREEZE(members);
if (NIL_P(name)) {
nstr = rb_class_new(klass);
#if !WITH_OBJC
rb_make_metaclass(nstr, RBASIC(klass)->klass);
#endif
rb_class_inherited(klass, nstr);
}
else {
/* old style: should we warn? */
name = rb_str_to_str(name);
id = rb_to_id(name);
if (!rb_is_const_id(id)) {
rb_name_error(id, "identifier %s needs to be constant",
StringValuePtr(name));
}
if (rb_const_defined_at(klass, id)) {
rb_warn("redefining constant Struct::%s", StringValuePtr(name));
rb_mod_remove_const(klass, ID2SYM(id));
}
nstr = rb_define_class_under(klass, rb_id2name(id), klass);
}
rb_ivar_set(nstr, id_members, members);
rb_objc_define_method(*(VALUE *)nstr, "alloc", struct_alloc, 0);
rb_objc_define_method(*(VALUE *)nstr, "new", rb_class_new_instance_imp, -1);
rb_objc_define_method(*(VALUE *)nstr, "[]", rb_class_new_instance_imp, -1);
rb_objc_define_method(*(VALUE *)nstr, "members", rb_struct_s_members_m, 0);
len = RARRAY_LEN(members);
for (i=0; i< len; i++) {
ID id = SYM2ID(RARRAY_AT(members, i));
if (rb_is_local_id(id) || rb_is_const_id(id)) {
long j = i; /* Needed for block data reference. */
/* Struct attribute reader */
rb_objc_define_method(nstr, rb_id2name(id),
pl_imp_implementationWithBlock(^(VALUE obj) {
return RSTRUCT_PTR(obj)[j];
}), 0);
/* Struct attribute writer */
rb_objc_define_method(nstr, rb_id2name(rb_id_attrset(id)),
pl_imp_implementationWithBlock(^(VALUE obj, VALUE val) {
VALUE *ptr = RSTRUCT_PTR(obj);
rb_struct_modify(obj);
GC_WB(&ptr[i], val);
return val;
}), 1);
static VALUE
make_struct(VALUE name, VALUE members, VALUE klass)
{
VALUE nstr;
ID id;
long i, count;
OBJ_FREEZE(members);
if (NIL_P(name)) {
nstr = rb_class_new(klass);
#if !WITH_OBJC
rb_make_metaclass(nstr, RBASIC(klass)->klass);
#endif
rb_class_inherited(klass, nstr);
}
else {
/* old style: should we warn? */
name = rb_str_to_str(name);
id = rb_to_id(name);
if (!rb_is_const_id(id)) {
rb_name_error(id, "identifier %s needs to be constant",
StringValuePtr(name));
}
if (rb_const_defined_at(klass, id)) {
rb_warn("redefining constant Struct::%s", StringValuePtr(name));
rb_mod_remove_const(klass, ID2SYM(id));
}
nstr = rb_define_class_under(klass, rb_id2name(id), klass);
}
rb_iv_set(nstr, "__size__", LONG2NUM(RARRAY_LEN(members)));
rb_iv_set(nstr, "__members__", members);
rb_objc_define_method(*(VALUE *)nstr, "alloc", struct_alloc, 0);
rb_objc_define_method(*(VALUE *)nstr, "new", rb_class_new_instance_imp, -1);
rb_objc_define_method(*(VALUE *)nstr, "[]", rb_class_new_instance_imp, -1);
rb_objc_define_method(*(VALUE *)nstr, "members", rb_struct_s_members_m, 0);
for (i = 0, count = RARRAY_LEN(members); i < count; i++) {
ID id = SYM2ID(RARRAY_AT(members, i));
if (rb_is_local_id(id) || rb_is_const_id(id)) {
if (i < N_REF_FUNC) {
rb_objc_define_method(nstr, rb_id2name(id), ref_func[i], 0);
}
else {
rb_objc_define_method(nstr, rb_id2name(id), rb_struct_ref, 0);
}
rb_objc_define_method(nstr, rb_id2name(rb_id_attrset(id)),
rb_struct_set, 1);
}
}
return nstr;
}
static VALUE
make_struct(VALUE name, VALUE members, VALUE klass)
{
VALUE nstr, *ptr_members;
ID id;
long i, len;
OBJ_FREEZE(members);
if (NIL_P(name)) {
nstr = rb_class_new(klass);
rb_make_metaclass(nstr, RBASIC(klass)->klass);
rb_class_inherited(klass, nstr);
}
else {
/* old style: should we warn? */
name = rb_str_to_str(name);
id = rb_to_id(name);
if (!rb_is_const_id(id)) {
rb_name_error(id, "identifier %s needs to be constant", StringValuePtr(name));
}
if (rb_const_defined_at(klass, id)) {
rb_warn("redefining constant Struct::%s", StringValuePtr(name));
rb_mod_remove_const(klass, ID2SYM(id));
}
nstr = rb_define_class_id_under(klass, id, klass);
}
rb_ivar_set(nstr, id_members, members);
rb_define_alloc_func(nstr, struct_alloc);
rb_define_singleton_method(nstr, "new", rb_class_new_instance, -1);
rb_define_singleton_method(nstr, "[]", rb_class_new_instance, -1);
rb_define_singleton_method(nstr, "members", rb_struct_s_members_m, 0);
ptr_members = RARRAY_PTR(members);
len = RARRAY_LEN(members);
for (i=0; i< len; i++) {
ID id = SYM2ID(ptr_members[i]);
if (rb_is_local_id(id) || rb_is_const_id(id)) {
if (i < N_REF_FUNC) {
rb_define_method_id(nstr, id, ref_func[i], 0);
}
else {
rb_define_method_id(nstr, id, rb_struct_ref, 0);
}
rb_define_method_id(nstr, rb_id_attrset(id), rb_struct_set, 1);
}
}
return nstr;
}
/*
Foo = Numo::Struct.new {
int8 :byte
float64 :float, [2,2]
dcomplex :compl
}
*/
static VALUE
nst_s_new(int argc, VALUE *argv, VALUE klass)
{
VALUE name=Qnil, rest, size;
VALUE st, members;
ID id;
rb_scan_args(argc, argv, "0*", &rest);
if (RARRAY_LEN(rest)>0) {
name = RARRAY_AREF(rest,0);
if (!NIL_P(name)) {
VALUE tmp = rb_check_string_type(name);
if (!NIL_P(tmp)) {
rb_ary_shift(rest);
} else {
name = Qnil;
}
}
}
if (NIL_P(name)) {
st = rb_define_class_id(name, klass);
rb_funcall(klass, rb_intern("inherited"), 1, st);
}
else {
char *cname = StringValuePtr(name);
id = rb_intern(cname);
if (!rb_is_const_id(id)) {
rb_name_error(id, "identifier %s needs to be constant", cname);
}
if (rb_const_defined_at(klass, id)) {
rb_warn("redefining constant Struct::%s", cname);
rb_mod_remove_const(klass, ID2SYM(id));
}
st = rb_define_class_under(klass, rb_id2name(id), klass);
}
rb_iv_set(st, "__members__", rb_ary_new());
rb_iv_set(st, "__offset__", INT2FIX(0));
if (rb_block_given_p()) {
rb_mod_module_eval(0, 0, st);
}
size = rb_iv_get(st, "__offset__");
members = rb_iv_get(st, "__members__");
//printf("size=%d\n",NUM2INT(size));
rb_define_const(st, CONTIGUOUS_STRIDE, size);
rb_define_const(st, ELEMENT_BYTE_SIZE, size);
rb_define_const(st, ELEMENT_BIT_SIZE, rb_funcall(size,'*',1,INT2FIX(8)));
OBJ_FREEZE(members);
rb_define_const(st, "DEFINITIONS", members);
rb_define_singleton_method(st, "new", rb_class_new_instance, -1);
//rb_define_singleton_method(st, "[]", rb_class_new_instance, -1);
rb_define_method(st, "allocate", nst_allocate, 0);
return st;
}
void
rb_attr(VALUE klass, ID id, int read, int write, int ex)
{
const char *name;
int noex;
if (!ex) {
noex = NOEX_PUBLIC;
}
else {
// TODO honor current scope ex
noex = NOEX_PUBLIC;
}
if (!rb_is_local_id(id) && !rb_is_const_id(id)) {
rb_name_error(id, "invalid attribute name `%s'", rb_id2name(id));
}
name = rb_id2name(id);
if (!name) {
rb_raise(rb_eArgError, "argument needs to be symbol or string");
}
rb_vm_define_attr((Class)klass, name, read, write, noex);
if (write) {
rb_objc_define_kvo_setter(klass, id);
}
}
static VALUE
make_struct(VALUE name, VALUE members, VALUE klass)
{
VALUE nstr;
ID id;
long i;
OBJ_FREEZE(members);
if (NIL_P(name)) {
nstr = rb_class_new(klass);
rb_make_metaclass(nstr, RBASIC(klass)->klass);
rb_class_inherited(klass, nstr);
}
else {
char *cname = StringValuePtr(name);
id = rb_intern(cname);
if (!rb_is_const_id(id)) {
rb_name_error(id, "identifier %s needs to be constant", cname);
}
if (rb_const_defined_at(klass, id)) {
rb_warn("redefining constant Struct::%s", cname);
rb_mod_remove_const(klass, ID2SYM(id));
}
nstr = rb_define_class_under(klass, rb_id2name(id), klass);
}
rb_iv_set(nstr, "__size__", LONG2NUM(RARRAY(members)->len));
rb_iv_set(nstr, "__members__", members);
rb_define_alloc_func(nstr, struct_alloc);
rb_define_singleton_method(nstr, "new", rb_class_new_instance, -1);
rb_define_singleton_method(nstr, "[]", rb_class_new_instance, -1);
rb_define_singleton_method(nstr, "members", rb_struct_s_members_m, 0);
for (i=0; i< RARRAY(members)->len; i++) {
ID id = SYM2ID(RARRAY(members)->ptr[i]);
if (rb_is_local_id(id) || rb_is_const_id(id)) {
if (i<10) {
rb_define_method_id(nstr, id, ref_func[i], 0);
}
else {
rb_define_method_id(nstr, id, rb_struct_ref, 0);
}
rb_define_method_id(nstr, rb_id_attrset(id), rb_struct_set, 1);
}
}
return nstr;
}
void
rbgobj_init_flags_class(VALUE klass)
{
GFlagsClass* gclass = g_type_class_ref(CLASS2GTYPE(klass));
GString* source = g_string_new(NULL);
guint i;
for (i = 0; i < gclass->n_values; i++) {
GFlagsValue* entry = &(gclass->values[i]);
gchar* nick;
gchar* p;
gchar* replace_nick;
replace_nick = rg_obj_constant_lookup(entry->value_nick);
if (replace_nick){
nick = g_strdup(replace_nick);
} else {
nick = g_strdup(entry->value_nick);
}
for (p = nick; *p; p++)
if (*p == '-' || *p == ' ')
*p = '_';
else
*p = tolower(*p);
g_string_append_printf(
source,
"def %s%s?; self >= self.class.new(%d); end\n",
g_ascii_isdigit(nick[0]) ? "_" : "",
nick, entry->value);
for (p = nick; *p; p++)
*p = g_ascii_toupper(*p);
#if 0
{
ID id = rb_intern(nick);
if (rb_is_const_id(id)) {
rb_define_const(klass, nick, make_flags(entry->value, klass));
}
}
#else
{
rbgobj_define_const(klass, nick, make_flags(entry->value, klass));
}
#endif
g_free(nick);
}
rb_funcall(klass, id_module_eval, 3,
rb_str_new2(source->str),
rb_str_new2(__FILE__),
INT2NUM(__LINE__));
g_string_free(source, TRUE);
g_type_class_unref(gclass);
}
void
rb_attr(VALUE klass, ID id, int read, int write, int ex)
{
if (!rb_is_local_id(id) && !rb_is_const_id(id)) {
rb_name_error(id, "invalid attribute name `%s'", rb_id2name(id));
}
const char *name = rb_id2name(id);
if (name == NULL) {
rb_raise(rb_eArgError, "argument needs to be symbol or string");
}
rb_vm_define_attr((Class)klass, name, read, write);
if (write) {
rb_objc_define_kvo_setter(klass, id);
}
}
static VALUE
inspect_struct(VALUE s, VALUE dummy, int recur)
{
VALUE cname = rb_class_name(rb_obj_class(s));
VALUE members, str = rb_str_new2("#<struct ");
VALUE *ptr, *ptr_members;
long i, len;
char first = RSTRING_PTR(cname)[0];
if (recur || first != '#') {
rb_str_append(str, cname);
}
if (recur) {
return rb_str_cat2(str, ":...>");
}
members = rb_struct_members(s);
ptr_members = RARRAY_PTR(members);
ptr = RSTRUCT_PTR(s);
len = RSTRUCT_LEN(s);
for (i=0; i<len; i++) {
VALUE slot;
ID id;
if (i > 0) {
rb_str_cat2(str, ", ");
}
else if (first != '#') {
rb_str_cat2(str, " ");
}
slot = ptr_members[i];
id = SYM2ID(slot);
if (rb_is_local_id(id) || rb_is_const_id(id)) {
rb_str_append(str, rb_id2str(id));
}
else {
rb_str_append(str, rb_inspect(slot));
}
rb_str_cat2(str, "=");
rb_str_append(str, rb_inspect(ptr[i]));
}
rb_str_cat2(str, ">");
OBJ_INFECT(str, s);
return str;
}
static int
fc_i(ID key, VALUE value, struct fc_result *res)
{
if (!rb_is_const_id(key)) return ST_CONTINUE;
if (value == res->klass) {
res->path = fc_path(res, key);
return ST_STOP;
}
switch (TYPE(value)) {
case T_MODULE:
case T_CLASS:
{
CFDictionaryRef iv_dict = rb_class_ivar_dict(value);
if (iv_dict == NULL) return ST_CONTINUE;
else {
struct fc_result arg;
struct fc_result *list;
list = res;
while (list) {
if (list->track == value) return ST_CONTINUE;
list = list->prev;
}
arg.name = key;
arg.path = 0;
arg.klass = res->klass;
arg.track = value;
arg.prev = res;
ivar_dict_foreach(iv_dict, fc_i, (VALUE)&arg);
if (arg.path) {
res->path = arg.path;
return ST_STOP;
}
}
break;
}
default:
break;
}
return ST_CONTINUE;
}
void
rb_attr(VALUE klass, ID id, int read, int write, int ex)
{
const char *name;
ID attriv;
VALUE aname;
int noex;
if (!ex) {
noex = NOEX_PUBLIC;
}
else {
if (SCOPE_TEST(NOEX_PRIVATE)) {
noex = NOEX_PRIVATE;
rb_warning((SCOPE_CHECK(NOEX_MODFUNC)) ?
"attribute accessor as module_function" :
"private attribute?");
}
else if (SCOPE_TEST(NOEX_PROTECTED)) {
noex = NOEX_PROTECTED;
}
else {
noex = NOEX_PUBLIC;
}
}
if (!rb_is_local_id(id) && !rb_is_const_id(id)) {
rb_name_error(id, "invalid attribute name `%s'", rb_id2name(id));
}
name = rb_id2name(id);
if (!name) {
rb_raise(rb_eArgError, "argument needs to be symbol or string");
}
aname = rb_sprintf("@%s", name);
rb_enc_copy(aname, rb_id2str(id));
attriv = rb_intern_str(aname);
if (read) {
rb_add_method(klass, id, NEW_IVAR(attriv), noex);
}
if (write) {
rb_add_method(klass, rb_id_attrset(id), NEW_ATTRSET(attriv), noex);
}
}
static int
fc_i(ID key, rb_const_entry_t *ce, struct fc_result *res)
{
VALUE value = ce->value;
if (!rb_is_const_id(key)) return ST_CONTINUE;
if (value == res->klass) {
res->path = fc_path(res, key);
return ST_STOP;
}
switch (TYPE(value)) {
case T_MODULE:
case T_CLASS:
if (!RCLASS_CONST_TBL(value)) return ST_CONTINUE;
else {
struct fc_result arg;
struct fc_result *list;
list = res;
while (list) {
if (list->track == value) return ST_CONTINUE;
list = list->prev;
}
arg.name = key;
arg.path = 0;
arg.klass = res->klass;
arg.track = value;
arg.prev = res;
st_foreach(RCLASS_CONST_TBL(value), fc_i, (st_data_t)&arg);
if (arg.path) {
res->path = arg.path;
return ST_STOP;
}
}
break;
default:
break;
}
return ST_CONTINUE;
}
static VALUE
inspect_struct(VALUE s, VALUE dummy, int recur)
{
const char *cname = rb_class2name(rb_obj_class(s));
VALUE str, members;
long i;
if (recur) {
return rb_sprintf("#<struct %s:...>", cname);
}
members = rb_struct_members(s);
if (cname[0] == '#') {
str = rb_str_new2("#<struct ");
}
else {
str = rb_sprintf("#<struct %s ", cname);
}
for (i=0; i<RSTRUCT_LEN(s); i++) {
VALUE slot;
ID id;
if (i > 0) {
rb_str_cat2(str, ", ");
}
slot = RARRAY_AT(members, i);
id = SYM2ID(slot);
if (rb_is_local_id(id) || rb_is_const_id(id)) {
rb_str_buf_append(str, rb_id2str(id));
}
else {
rb_str_buf_append(str, rb_inspect(slot));
}
rb_str_cat2(str, "=");
rb_str_buf_append(str, rb_inspect(RSTRUCT_PTR(s)[i]));
}
rb_str_cat2(str, ">");
OBJ_INFECT(str, s);
return str;
}
static VALUE
inspect_struct(VALUE s)
{
const char *cname = rb_class2name(rb_obj_class(s));
VALUE str, members;
long i;
members = rb_struct_members(s);
str = rb_str_buf_new2("#<struct ");
rb_str_cat2(str, cname);
rb_str_cat2(str, " ");
for (i=0; i<RSTRUCT(s)->len; i++) {
VALUE slot;
ID id;
const char *p;
if (i > 0) {
rb_str_cat2(str, ", ");
}
slot = RARRAY(members)->ptr[i];
id = SYM2ID(slot);
if (rb_is_local_id(id) || rb_is_const_id(id)) {
p = rb_id2name(id);
rb_str_cat2(str, p);
}
else {
rb_str_append(str, rb_inspect(slot));
}
rb_str_cat2(str, "=");
rb_str_append(str, rb_inspect(RSTRUCT(s)->ptr[i]));
}
rb_str_cat2(str, ">");
OBJ_INFECT(str, s);
return str;
}
VALUE symbol_spec_rb_is_const_id(VALUE self, VALUE sym) {
return rb_is_const_id(SYM2ID(sym)) ? Qtrue : Qfalse;
}
static bool const_p(VALUE self, char* name)
{
return rb_obj_is_kind_of(self, rb_cModule)
&& rb_is_const_id(rb_intern(name))
&& RTEST( rb_funcall(self, rb_intern("const_defined?"), 1, ID2SYM(rb_intern(name))) );
}