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mruby-object-ext: ROM method tables for NilClass/Kernel/BasicObject extensions (5 methods)

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Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
Yukihiro "Matz" Matsumoto
2026-02-18 16:44:27 +09:00
parent b52d3936e6
commit 63df017ff6
1 changed files with 71 additions and 2 deletions
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mrbgems/mruby-object-ext/src/object.c
+71 -2
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@@ -97,21 +97,90 @@ obj_instance_exec(mrb_state *mrb, mrb_value self)
return mrb_object_exec(mrb, self, mrb_singleton_class_ptr(mrb, self));
}
#ifndef MRB_NO_PRESYM
#define NIL_EXT_ROM_MT_SIZE 3
static struct {
union mt_ptr vals[NIL_EXT_ROM_MT_SIZE];
mrb_sym keys[NIL_EXT_ROM_MT_SIZE];
} nil_ext_rom_data = {
.vals = {
{ .func = nil_to_a },
{ .func = nil_to_h },
{ .func = nil_to_i },
},
.keys = {
MT_KEY(MRB_SYM(to_a), MT_FUNC|MT_NOARG|MT_PUBLIC),
MT_KEY(MRB_SYM(to_h), MT_FUNC|MT_NOARG|MT_PUBLIC),
MT_KEY(MRB_SYM(to_i), MT_FUNC|MT_NOARG|MT_PUBLIC),
}
};
static mt_tbl nil_ext_rom_mt = {
NIL_EXT_ROM_MT_SIZE, NIL_EXT_ROM_MT_SIZE,
(union mt_ptr*)&nil_ext_rom_data, NULL
};
#define KERNEL_EXT_ROM_MT_SIZE 1
static struct {
union mt_ptr vals[KERNEL_EXT_ROM_MT_SIZE];
mrb_sym keys[KERNEL_EXT_ROM_MT_SIZE];
} kernel_ext_rom_data = {
.vals = {
{ .func = mrb_obj_itself },
},
.keys = {
MT_KEY(MRB_SYM(itself), MT_FUNC|MT_NOARG|MT_PUBLIC),
}
};
static mt_tbl kernel_ext_rom_mt = {
KERNEL_EXT_ROM_MT_SIZE, KERNEL_EXT_ROM_MT_SIZE,
(union mt_ptr*)&kernel_ext_rom_data, NULL
};
#define BOB_EXT_ROM_MT_SIZE 1
static struct {
union mt_ptr vals[BOB_EXT_ROM_MT_SIZE];
mrb_sym keys[BOB_EXT_ROM_MT_SIZE];
} bob_ext_rom_data = {
.vals = {
{ .func = obj_instance_exec },
},
.keys = {
MT_KEY(MRB_SYM(instance_exec), MT_FUNC|MT_PUBLIC),
}
};
static mt_tbl bob_ext_rom_mt = {
BOB_EXT_ROM_MT_SIZE, BOB_EXT_ROM_MT_SIZE,
(union mt_ptr*)&bob_ext_rom_data, NULL
};
#endif /* !MRB_NO_PRESYM */
void
mrb_mruby_object_ext_gem_init(mrb_state* mrb)
{
struct RClass * n = mrb->nil_class;
#ifndef MRB_NO_PRESYM
mrb_mt_init_rom(n, &nil_ext_rom_mt);
#else
mrb_define_method_id(mrb, n, MRB_SYM(to_a), nil_to_a, MRB_ARGS_NONE());
mrb_define_method_id(mrb, n, MRB_SYM(to_h), nil_to_h, MRB_ARGS_NONE());
mrb_define_method_id(mrb, n, MRB_SYM(to_i), nil_to_i, MRB_ARGS_NONE());
#endif
#ifndef MRB_NO_FLOAT
mrb_define_method_id(mrb, n, MRB_SYM(to_f), nil_to_f, MRB_ARGS_NONE());
#endif
mrb_define_method_id(mrb, n, MRB_SYM(to_h), nil_to_h, MRB_ARGS_NONE());
mrb_define_method_id(mrb, n, MRB_SYM(to_i), nil_to_i, MRB_ARGS_NONE());
#ifndef MRB_NO_PRESYM
mrb_mt_init_rom(mrb->kernel_module, &kernel_ext_rom_mt);
#else
mrb_define_method_id(mrb, mrb->kernel_module, MRB_SYM(itself), mrb_obj_itself, MRB_ARGS_NONE());
#endif
#ifndef MRB_NO_PRESYM
mrb_mt_init_rom(mrb_class_get_id(mrb, MRB_SYM(BasicObject)), &bob_ext_rom_mt);
#else
mrb_define_method_id(mrb, mrb_class_get_id(mrb, MRB_SYM(BasicObject)), MRB_SYM(instance_exec), obj_instance_exec, MRB_ARGS_ANY() | MRB_ARGS_BLOCK());
#endif
}
void