static VALUE
bug_sym_attrset(VALUE self, VALUE name)
{
ID id = rb_to_id(name);
id = rb_id_attrset(id);
return ID2SYM(id);
}
static VALUE
setup_struct(VALUE nstr, VALUE members)
{
const VALUE *ptr_members;
long i, len;
OBJ_FREEZE(members);
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_CONST_PTR(members);
len = RARRAY_LEN(members);
for (i=0; i< len; i++) {
ID id = SYM2ID(ptr_members[i]);
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;
}
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;
}
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;
}
static VALUE
rb_struct_set(VALUE obj, VALUE val)
{
VALUE members, slot;
long i;
members = rb_struct_members(obj);
rb_struct_modify(obj);
for (i=0; i<RARRAY_LEN(members); i++) {
slot = RARRAY_PTR(members)[i];
if (rb_id_attrset(SYM2ID(slot)) == rb_frame_this_func()) {
return RSTRUCT_PTR(obj)[i] = val;
}
}
rb_name_error(rb_frame_this_func(), "`%s' is not a struct member",
rb_id2name(rb_frame_this_func()));
return Qnil; /* not reached */
}
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 VALUE
rb_struct_set(VALUE obj, VALUE val)
{
VALUE members, slot;
ID id;
long i;
members = rb_struct_members(obj);
rb_struct_modify(obj);
id = ruby_frame->orig_func;
for (i=0; i<RARRAY(members)->len; i++) {
slot = RARRAY(members)->ptr[i];
if (rb_id_attrset(SYM2ID(slot)) == id) {
return RSTRUCT(obj)->ptr[i] = val;
}
}
rb_name_error(ruby_frame->last_func, "`%s' is not a struct member",
rb_id2name(id));
return Qnil; /* not reached */
}
static VALUE
rb_struct_set(VALUE obj, VALUE val)
{
VALUE members, slot;
long i, len;
members = rb_struct_members(obj);
len = RARRAY_LEN(members);
rb_struct_modify(obj);
for (i=0; i<len; i++) {
slot = RARRAY_AREF(members, i);
if (rb_id_attrset(SYM2ID(slot)) == rb_frame_this_func()) {
RSTRUCT_SET(obj, i, val);
return val;
}
}
rb_name_error(rb_frame_this_func(), "`%s' is not a struct member",
rb_id2name(rb_frame_this_func()));
UNREACHABLE;
}
static VALUE
rb_struct_set(VALUE obj, VALUE val)
{
VALUE members, slot, *ptr, *ptr_members;
long i, len;
members = rb_struct_members(obj);
ptr_members = RARRAY_PTR(members);
len = RARRAY_LEN(members);
rb_struct_modify(obj);
ptr = RSTRUCT_PTR(obj);
for (i=0; i<len; i++) {
slot = ptr_members[i];
if (rb_id_attrset(SYM2ID(slot)) == rb_frame_this_func()) {
return ptr[i] = val;
}
}
rb_name_error(rb_frame_this_func(), "`%s' is not a struct member",
rb_id2name(rb_frame_this_func()));
UNREACHABLE;
}
void
rb_attr(VALUE klass, ID id, int read, int write, int ex)
{
VALUE attriv;
VALUE aname;
rb_method_flag_t 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;
}
}
aname = rb_id2str(rb_check_attr_id(id));
if (NIL_P(aname)) {
rb_raise(rb_eArgError, "argument needs to be symbol or string");
}
attriv = (VALUE)rb_intern_str(rb_sprintf("@%"PRIsVALUE, aname));
if (read) {
rb_add_method(klass, id, VM_METHOD_TYPE_IVAR, (void *)attriv, noex);
}
if (write) {
rb_add_method(klass, rb_id_attrset(id), VM_METHOD_TYPE_ATTRSET, (void *)attriv, noex);
}
}
static ID
rb_intern_uchars(const UChar *chars, const size_t chars_len, VALUE str)
{
const unsigned long name_hash = rb_str_hash_uchars(chars, chars_len);
LOCK();
ID id = (ID)CFDictionaryGetValue(sym_id, (const void *)name_hash);
UNLOCK();
if (id != 0) {
goto return_id;
}
if (str == Qnil) {
str = rb_unicode_str_new(chars, chars_len);
}
rb_sym_t *sym = NULL;
long pos = 0;
if (chars_len > 0) {
UChar c = chars[0];
switch (c) {
case '$':
id = ID_GLOBAL;
goto new_id;
case '@':
if (chars_len > 1 && chars[1] == '@') {
pos++;
id = ID_CLASS;
}
else {
id = ID_INSTANCE;
}
pos++;
break;
default:
if (chars_len > 1 && chars[chars_len - 1] == '=') {
// Attribute assignment.
id = rb_intern_str(rb_str_substr(str, 0, chars_len - 1));
if (!is_attrset_id(id)) {
id = rb_id_attrset(id);
goto id_register;
}
id = ID_ATTRSET;
}
else if (iswupper(c)) {
id = ID_CONST;
}
else {
id = ID_LOCAL;
}
break;
}
}
if (pos < chars_len && !isdigit(chars[pos])) {
for (; pos < chars_len; pos++) {
if (!is_identchar(chars[pos])) {
break;
}
}
}
if (pos < chars_len) {
id = ID_JUNK;
}
new_id:
id |= ++last_id << ID_SCOPE_SHIFT;
id_register:
//printf("register %s hash %ld id %ld\n", RSTRING_PTR(str), name_hash, id);
sym = sym_alloc(str, id);
LOCK();
CFDictionarySetValue(sym_id, (const void *)name_hash, (const void *)id);
CFDictionarySetValue(id_str, (const void *)id, (const void *)sym);
UNLOCK();
return_id:
return id;
}
