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object.c: ROM method tables for NilClass/TrueClass/FalseClass (16 methods)

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Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
Yukihiro "Matz" Matsumoto
2026-02-18 16:30:45 +09:00
parent 8fdd5757e3
commit 1b20096c31
1 changed files with 92 additions and 0 deletions
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src/object.c
+92
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@@ -321,6 +321,86 @@ false_to_s(mrb_state *mrb, mrb_value obj)
return str;
}
/* ---------------------------*/
#ifndef MRB_NO_PRESYM
#define NIL_ROM_MT_SIZE 6
static struct {
union mt_ptr vals[NIL_ROM_MT_SIZE];
mrb_sym keys[NIL_ROM_MT_SIZE];
} nil_rom_data = {
.vals = {
{ .func = false_and },
{ .func = false_or },
{ .func = false_xor },
{ .func = mrb_true },
{ .func = nil_to_s },
{ .func = nil_inspect },
},
.keys = {
MT_KEY(MRB_OPSYM(and), MT_FUNC|MT_PUBLIC),
MT_KEY(MRB_OPSYM(or), MT_FUNC|MT_PUBLIC),
MT_KEY(MRB_OPSYM(xor), MT_FUNC|MT_PUBLIC),
MT_KEY(MRB_SYM_Q(nil), MT_FUNC|MT_NOARG|MT_PUBLIC),
MT_KEY(MRB_SYM(to_s), MT_FUNC|MT_NOARG|MT_PUBLIC),
MT_KEY(MRB_SYM(inspect), MT_FUNC|MT_NOARG|MT_PUBLIC),
}
};
static mt_tbl nil_rom_mt = {
NIL_ROM_MT_SIZE, NIL_ROM_MT_SIZE,
(union mt_ptr*)&nil_rom_data, NULL
};
#define TRUE_ROM_MT_SIZE 5
static struct {
union mt_ptr vals[TRUE_ROM_MT_SIZE];
mrb_sym keys[TRUE_ROM_MT_SIZE];
} true_rom_data = {
.vals = {
{ .func = true_and },
{ .func = true_or },
{ .func = true_xor },
{ .func = true_to_s },
{ .func = true_to_s },
},
.keys = {
MT_KEY(MRB_OPSYM(and), MT_FUNC|MT_PUBLIC),
MT_KEY(MRB_OPSYM(or), MT_FUNC|MT_PUBLIC),
MT_KEY(MRB_OPSYM(xor), MT_FUNC|MT_PUBLIC),
MT_KEY(MRB_SYM(to_s), MT_FUNC|MT_NOARG|MT_PUBLIC),
MT_KEY(MRB_SYM(inspect), MT_FUNC|MT_NOARG|MT_PUBLIC),
}
};
static mt_tbl true_rom_mt = {
TRUE_ROM_MT_SIZE, TRUE_ROM_MT_SIZE,
(union mt_ptr*)&true_rom_data, NULL
};
#define FALSE_ROM_MT_SIZE 5
static struct {
union mt_ptr vals[FALSE_ROM_MT_SIZE];
mrb_sym keys[FALSE_ROM_MT_SIZE];
} false_rom_data = {
.vals = {
{ .func = false_and },
{ .func = false_or },
{ .func = false_xor },
{ .func = false_to_s },
{ .func = false_to_s },
},
.keys = {
MT_KEY(MRB_OPSYM(and), MT_FUNC|MT_PUBLIC),
MT_KEY(MRB_OPSYM(or), MT_FUNC|MT_PUBLIC),
MT_KEY(MRB_OPSYM(xor), MT_FUNC|MT_PUBLIC),
MT_KEY(MRB_SYM(to_s), MT_FUNC|MT_NOARG|MT_PUBLIC),
MT_KEY(MRB_SYM(inspect), MT_FUNC|MT_NOARG|MT_PUBLIC),
}
};
static mt_tbl false_rom_mt = {
FALSE_ROM_MT_SIZE, FALSE_ROM_MT_SIZE,
(union mt_ptr*)&false_rom_data, NULL
};
#endif /* !MRB_NO_PRESYM */
void
mrb_init_object(mrb_state *mrb)
{
@@ -331,30 +411,42 @@ mrb_init_object(mrb_state *mrb)
mrb->nil_class = n = mrb_define_class_id(mrb, MRB_SYM(NilClass), mrb->object_class);
MRB_SET_INSTANCE_TT(n, MRB_TT_FALSE);
mrb_undef_class_method_id(mrb, n, MRB_SYM(new));
#ifndef MRB_NO_PRESYM
mrb_mt_init_rom(n, &nil_rom_mt);
#else
mrb_define_method_id(mrb, n, MRB_OPSYM(and), false_and, MRB_ARGS_REQ(1)); /* 15.2.4.3.1 */
mrb_define_method_id(mrb, n, MRB_OPSYM(or), false_or, MRB_ARGS_REQ(1)); /* 15.2.4.3.2 */
mrb_define_method_id(mrb, n, MRB_OPSYM(xor), false_xor, MRB_ARGS_REQ(1)); /* 15.2.4.3.3 */
mrb_define_method_id(mrb, n, MRB_SYM_Q(nil), mrb_true, MRB_ARGS_NONE()); /* 15.2.4.3.4 */
mrb_define_method_id(mrb, n, MRB_SYM(to_s), nil_to_s, MRB_ARGS_NONE()); /* 15.2.4.3.5 */
mrb_define_method_id(mrb, n, MRB_SYM(inspect), nil_inspect, MRB_ARGS_NONE());
#endif
mrb->true_class = t = mrb_define_class_id(mrb, MRB_SYM(TrueClass), mrb->object_class);
MRB_SET_INSTANCE_TT(t, MRB_TT_TRUE);
mrb_undef_class_method_id(mrb, t, MRB_SYM(new));
#ifndef MRB_NO_PRESYM
mrb_mt_init_rom(t, &true_rom_mt);
#else
mrb_define_method_id(mrb, t, MRB_OPSYM(and), true_and, MRB_ARGS_REQ(1)); /* 15.2.5.3.1 */
mrb_define_method_id(mrb, t, MRB_OPSYM(or), true_or, MRB_ARGS_REQ(1)); /* 15.2.5.3.2 */
mrb_define_method_id(mrb, t, MRB_OPSYM(xor), true_xor, MRB_ARGS_REQ(1)); /* 15.2.5.3.3 */
mrb_define_method_id(mrb, t, MRB_SYM(to_s), true_to_s, MRB_ARGS_NONE()); /* 15.2.5.3.4 */
mrb_define_method_id(mrb, t, MRB_SYM(inspect), true_to_s, MRB_ARGS_NONE());
#endif
mrb->false_class = f = mrb_define_class_id(mrb, MRB_SYM(FalseClass), mrb->object_class);
MRB_SET_INSTANCE_TT(f, MRB_TT_FALSE);
mrb_undef_class_method_id(mrb, f, MRB_SYM(new));
#ifndef MRB_NO_PRESYM
mrb_mt_init_rom(f, &false_rom_mt);
#else
mrb_define_method_id(mrb, f, MRB_OPSYM(and), false_and, MRB_ARGS_REQ(1)); /* 15.2.6.3.1 */
mrb_define_method_id(mrb, f, MRB_OPSYM(or), false_or, MRB_ARGS_REQ(1)); /* 15.2.6.3.2 */
mrb_define_method_id(mrb, f, MRB_OPSYM(xor), false_xor, MRB_ARGS_REQ(1)); /* 15.2.6.3.3 */
mrb_define_method_id(mrb, f, MRB_SYM(to_s), false_to_s, MRB_ARGS_NONE()); /* 15.2.6.3.4 */
mrb_define_method_id(mrb, f, MRB_SYM(inspect), false_to_s, MRB_ARGS_NONE());
#endif
}
static const char*