VALUE
rb_struct_members(VALUE s)
{
VALUE members = rb_struct_s_members(rb_obj_class(s));
if (RSTRUCT(s)->len != RARRAY(members)->len) {
rb_raise(rb_eTypeError, "struct size differs (%d required %d given)",
RARRAY(members)->len, RSTRUCT(s)->len);
}
return members;
}
static VALUE
rb_struct_each(VALUE s)
{
long i;
RETURN_ENUMERATOR(s, 0, 0);
for (i=0; i<RSTRUCT(s)->len; i++) {
rb_yield(RSTRUCT(s)->ptr[i]);
}
return s;
}
static VALUE
range_loader(VALUE range, VALUE obj)
{
if (TYPE(obj) != T_OBJECT || RBASIC(obj)->klass != rb_cObject) {
rb_raise(rb_eTypeError, "not a dumped range object");
}
RSTRUCT(range)->as.ary[0] = rb_ivar_get(obj, id_beg);
RSTRUCT(range)->as.ary[1] = rb_ivar_get(obj, id_end);
RSTRUCT(range)->as.ary[2] = rb_ivar_get(obj, id_excl);
return range;
}
static VALUE
rb_struct_each_pair(VALUE s)
{
VALUE members;
long i;
RETURN_ENUMERATOR(s, 0, 0);
members = rb_struct_members(s);
for (i=0; i<RSTRUCT(s)->len; i++) {
rb_yield_values(2, rb_ary_entry(members, i), RSTRUCT(s)->ptr[i]);
}
return s;
}
static VALUE
rb_struct_hash(VALUE s)
{
long i, h;
VALUE n;
h = rb_hash(rb_obj_class(s));
for (i = 0; i < RSTRUCT(s)->len; i++) {
h = (h << 1) | (h<0 ? 1 : 0);
n = rb_hash(RSTRUCT(s)->ptr[i]);
h ^= NUM2LONG(n);
}
return LONG2FIX(h);
}
/* :nodoc: */
static VALUE
rb_struct_init_copy(VALUE copy, VALUE s)
{
if (copy == s) return copy;
rb_check_frozen(copy);
if (!rb_obj_is_instance_of(s, rb_obj_class(copy))) {
rb_raise(rb_eTypeError, "wrong argument class");
}
if (RSTRUCT(copy)->len != RSTRUCT(s)->len) {
rb_raise(rb_eTypeError, "struct size mismatch");
}
MEMCPY(RSTRUCT(copy)->ptr, RSTRUCT(s)->ptr, VALUE, RSTRUCT(copy)->len);
return copy;
}
static VALUE
rb_struct_eql(VALUE s, VALUE s2)
{
long i;
if (s == s2) return Qtrue;
if (TYPE(s2) != T_STRUCT) return Qfalse;
if (rb_obj_class(s) != rb_obj_class(s2)) return Qfalse;
if (RSTRUCT(s)->len != RSTRUCT(s2)->len) {
rb_bug("inconsistent struct"); /* should never happen */
}
for (i=0; i<RSTRUCT(s)->len; i++) {
if (!rb_eql(RSTRUCT(s)->ptr[i], RSTRUCT(s2)->ptr[i])) return Qfalse;
}
return Qtrue;
}
static VALUE
rb_struct_select(int argc, VALUE *argv, VALUE s)
{
VALUE result;
long i;
if (argc > 0) {
rb_raise(rb_eArgError, "wrong number of arguments (%d for 0)", argc);
}
result = rb_ary_new();
for (i = 0; i < RSTRUCT(s)->len; i++) {
if (RTEST(rb_yield(RSTRUCT(s)->ptr[i]))) {
rb_ary_push(result, RSTRUCT(s)->ptr[i]);
}
}
return result;
}
VALUE
rb_struct_aref(VALUE s, VALUE idx)
{
long i;
if (TYPE(idx) == T_STRING || TYPE(idx) == T_SYMBOL) {
return rb_struct_aref_id(s, rb_to_id(idx));
}
i = NUM2LONG(idx);
if (i < 0) i = RSTRUCT(s)->len + i;
if (i < 0)
rb_raise(rb_eIndexError, "offset %ld too small for struct(size:%ld)",
i, RSTRUCT(s)->len);
if (RSTRUCT(s)->len <= i)
rb_raise(rb_eIndexError, "offset %ld too large for struct(size:%ld)",
i, RSTRUCT(s)->len);
return RSTRUCT(s)->ptr[i];
}
static void
range_init(VALUE range, VALUE beg, VALUE end, int exclude_end)
{
VALUE args[2];
args[0] = beg;
args[1] = end;
if (!FIXNUM_P(beg) || !FIXNUM_P(end)) {
VALUE v;
v = rb_rescue(range_check, (VALUE)args, range_failed, 0);
if (NIL_P(v))
range_failed();
}
SET_EXCL(range, exclude_end);
RSTRUCT(range)->as.ary[0] = beg;
RSTRUCT(range)->as.ary[1] = end;
}
static VALUE
rb_struct_initialize(VALUE self, VALUE values)
{
VALUE klass = rb_obj_class(self);
VALUE size;
long n;
rb_struct_modify(self);
size = rb_struct_iv_get(klass, "__size__");
n = FIX2LONG(size);
if (n < RARRAY(values)->len) {
rb_raise(rb_eArgError, "struct size differs");
}
MEMCPY(RSTRUCT(self)->ptr, RARRAY(values)->ptr, VALUE, RARRAY(values)->len);
if (n > RARRAY(values)->len) {
rb_mem_clear(RSTRUCT(self)->ptr+RARRAY(values)->len,
n-RARRAY(values)->len);
}
return Qnil;
}
static int
fragment_byteno(VALUE fragment)
{
VALUE val;
Check_Type(fragment, T_STRUCT);
if (RBASIC(fragment)->klass != Fragment) {
rb_raise(rb_eTypeError, "not fragment");
}
val = RSTRUCT(fragment)->ptr[3];
return NUM2INT(val);
}
static VALUE
rb_struct_aset_id(VALUE s, ID id, VALUE val)
{
VALUE members;
long i, len;
members = rb_struct_members(s);
rb_struct_modify(s);
len = RARRAY(members)->len;
if (RSTRUCT(s)->len != RARRAY(members)->len) {
rb_raise(rb_eTypeError, "struct size differs (%d required %d given)",
RARRAY(members)->len, RSTRUCT(s)->len);
}
for (i=0; i<len; i++) {
if (SYM2ID(RARRAY(members)->ptr[i]) == id) {
RSTRUCT(s)->ptr[i] = val;
return val;
}
}
rb_name_error(id, "no member '%s' in struct", rb_id2name(id));
}
static VALUE
fragment_type(VALUE fragment)
{
VALUE val;
Check_Type(fragment, T_STRUCT);
if (RBASIC(fragment)->klass != Fragment) {
rb_raise(rb_eTypeError, "not fragment");
}
val = RSTRUCT(fragment)->ptr[0];
Check_Type(val, T_SYMBOL);
return val;
}
static VALUE
fragment_text(VALUE fragment)
{
VALUE val;
Check_Type(fragment, T_STRUCT);
if (RBASIC(fragment)->klass != Fragment) {
rb_raise(rb_eTypeError, "not fragment");
}
val = RSTRUCT(fragment)->ptr[1];
StringValue(val);
return val;
}
VALUE
rb_struct_aset(VALUE s, VALUE idx, VALUE val)
{
long i;
if (TYPE(idx) == T_STRING || TYPE(idx) == T_SYMBOL) {
return rb_struct_aset_id(s, rb_to_id(idx), val);
}
i = NUM2LONG(idx);
if (i < 0) i = RSTRUCT(s)->len + i;
if (i < 0) {
rb_raise(rb_eIndexError, "offset %ld too small for struct(size:%ld)",
i, RSTRUCT(s)->len);
}
if (RSTRUCT(s)->len <= i) {
rb_raise(rb_eIndexError, "offset %ld too large for struct(size:%ld)",
i, RSTRUCT(s)->len);
}
rb_struct_modify(s);
return RSTRUCT(s)->ptr[i] = val;
}
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;
}
static VALUE
rb_struct_aref_id(VALUE s, ID id)
{
VALUE members;
long i, len;
members = rb_struct_members(s);
len = RARRAY(members)->len;
for (i=0; i<len; i++) {
if (SYM2ID(RARRAY(members)->ptr[i]) == id) {
return RSTRUCT(s)->ptr[i];
}
}
rb_name_error(id, "no member '%s' in struct", rb_id2name(id));
return Qnil; /* not reached */
}
VALUE
rb_struct_getmember(VALUE obj, ID id)
{
VALUE members, slot;
long i;
members = rb_struct_members(obj);
slot = ID2SYM(id);
for (i=0; i<RARRAY(members)->len; i++) {
if (RARRAY(members)->ptr[i] == slot) {
return RSTRUCT(obj)->ptr[i];
}
}
rb_name_error(id, "%s is not struct member", rb_id2name(id));
return Qnil; /* not reached */
}
static mrb_value
mrb_struct_initialize_withArg(mrb_state *mrb, int argc, mrb_value *argv, mrb_value self)
{
struct RClass *klass = mrb_obj_class(mrb, self);
int n;
struct RStruct *st;
mrb_struct_modify(self);
n = num_members(mrb, klass);
if (n < argc) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "struct size differs");
}
st = RSTRUCT(self);
st->ptr = (mrb_value *)mrb_calloc(mrb, sizeof(mrb_value), n);
st->len = n;
memcpy(st->ptr, argv, sizeof(mrb_value)*argc);
return self;
}
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 mrb_value
mrb_struct_initialize_withArg(mrb_state *mrb, int argc, mrb_value *argv, mrb_value self)
{
struct RClass *klass = mrb_obj_class(mrb, self);
long n;
struct RStruct *st;
mrb_struct_modify(self);
n = num_members(mrb, klass);
if (n < argc) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "struct size differs");
}
st = RSTRUCT(self);
st->ptr = malloc(sizeof(mrb_value)*argc);
st->len = n;
memcpy(st->ptr, argv, sizeof(mrb_value)*argc);
//if (n > argc) {
// mrb_mem_clear(RSTRUCT_PTR(self)+argc, n-argc);
//}
return self;
}
static size_t
memsize_of(VALUE obj)
{
size_t size = 0;
if (SPECIAL_CONST_P(obj)) {
return 0;
}
if (FL_TEST(obj, FL_EXIVAR)) {
size += rb_generic_ivar_memsize(obj);
}
switch (BUILTIN_TYPE(obj)) {
case T_OBJECT:
if (!(RBASIC(obj)->flags & ROBJECT_EMBED) &&
ROBJECT(obj)->as.heap.ivptr) {
size += ROBJECT(obj)->as.heap.numiv * sizeof(VALUE);
}
break;
case T_MODULE:
case T_CLASS:
size += st_memsize(RCLASS_M_TBL(obj));
if (RCLASS_IV_TBL(obj)) {
size += st_memsize(RCLASS_IV_TBL(obj));
}
if (RCLASS_IV_INDEX_TBL(obj)) {
size += st_memsize(RCLASS_IV_INDEX_TBL(obj));
}
if (RCLASS(obj)->ptr->iv_tbl) {
size += st_memsize(RCLASS(obj)->ptr->iv_tbl);
}
if (RCLASS(obj)->ptr->const_tbl) {
size += st_memsize(RCLASS(obj)->ptr->const_tbl);
}
size += sizeof(rb_classext_t);
break;
case T_STRING:
size += rb_str_memsize(obj);
break;
case T_ARRAY:
size += rb_ary_memsize(obj);
break;
case T_HASH:
if (RHASH(obj)->ntbl) {
size += st_memsize(RHASH(obj)->ntbl);
}
break;
case T_REGEXP:
if (RREGEXP(obj)->ptr) {
size += onig_memsize(RREGEXP(obj)->ptr);
}
break;
case T_DATA:
size += rb_objspace_data_type_memsize(obj);
break;
case T_MATCH:
if (RMATCH(obj)->rmatch) {
struct rmatch *rm = RMATCH(obj)->rmatch;
size += sizeof(struct re_registers); /* TODO: onig_region_memsize(&rm->regs); */
size += sizeof(struct rmatch_offset) * rm->char_offset_num_allocated;
size += sizeof(struct rmatch);
}
break;
case T_FILE:
if (RFILE(obj)->fptr) {
size += rb_io_memsize(RFILE(obj)->fptr);
}
break;
case T_RATIONAL:
case T_COMPLEX:
break;
case T_ICLASS:
/* iClass shares table with the module */
break;
case T_FLOAT:
break;
case T_BIGNUM:
if (!(RBASIC(obj)->flags & RBIGNUM_EMBED_FLAG) && RBIGNUM_DIGITS(obj)) {
size += RBIGNUM_LEN(obj) * sizeof(BDIGIT);
}
break;
case T_NODE:
switch (nd_type(obj)) {
case NODE_SCOPE:
if (RNODE(obj)->u1.tbl) {
/* TODO: xfree(RANY(obj)->as.node.u1.tbl); */
}
break;
case NODE_ALLOCA:
/* TODO: xfree(RANY(obj)->as.node.u1.node); */
;
}
break; /* no need to free iv_tbl */
case T_STRUCT:
if ((RBASIC(obj)->flags & RSTRUCT_EMBED_LEN_MASK) == 0 &&
RSTRUCT(obj)->as.heap.ptr) {
size += sizeof(VALUE) * RSTRUCT_LEN(obj);
}
break;
case T_ZOMBIE:
break;
default:
rb_bug("objspace/memsize_of(): unknown data type 0x%x(%p)",
BUILTIN_TYPE(obj), (void*)obj);
}
return size;
}
static VALUE
rb_struct_to_a(VALUE s)
{
return rb_ary_new4(RSTRUCT(s)->len, RSTRUCT(s)->ptr);
}
static VALUE
rb_struct_size(VALUE s)
{
return LONG2FIX(RSTRUCT(s)->len);
}
static VALUE rb_struct_ref9(VALUE obj) {return RSTRUCT(obj)->ptr[9];}
static VALUE
rb_struct_values_at(int argc, VALUE *argv, VALUE s)
{
return rb_values_at(s, RSTRUCT(s)->len, argc, argv, struct_entry);
}
