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mruby-task: implement task#inspect method

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added inspect method that returns formatted string showing:
- task pointer address
- task name (string/symbol), or "(unnamed)" for nil/other types
- task status (RUNNING, READY, WAITING, SUSPENDED, DORMANT, UNKNOWN)

format matches original implementation: #<Task:0x12345678 name:STATUS>

avoids mrb_funcall during inspection to prevent vm state issues.
handles string and symbol names directly, treats other types as unnamed.

Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
Yukihiro "Matz" Matsumoto
2025-10-10 17:06:22 +09:00
parent 6d640b77d6
commit 33e5af432b
1 changed files with 55 additions and 0 deletions
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mrbgems/mruby-task/src/task.c
+55
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@@ -1199,6 +1199,60 @@ mrb_task_status(mrb_state *mrb, mrb_value self)
MRB_SYM(UNKNOWN));
}
static mrb_value
mrb_task_inspect(mrb_state *mrb, mrb_value self)
{
mrb_task *t;
mrb_value name_val;
char buf[256];
const char *name_str;
const char *status_str;
TASK_GET_PTR_OR_RAISE(t, self);
/* Get status string directly from task status field */
switch (t->status) {
case MRB_TASK_STATUS_RUNNING:
status_str = "RUNNING";
break;
case MRB_TASK_STATUS_READY:
status_str = "READY";
break;
case MRB_TASK_STATUS_WAITING:
status_str = "WAITING";
break;
case MRB_TASK_STATUS_SUSPENDED:
status_str = "SUSPENDED";
break;
case MRB_TASK_STATUS_DORMANT:
status_str = "DORMANT";
break;
default:
status_str = "UNKNOWN";
break;
}
/* Get name as C string - avoid mrb_funcall to prevent VM state issues */
if (mrb_string_p(t->name)) {
name_str = RSTRING_PTR(t->name);
}
else if (mrb_symbol_p(t->name)) {
name_str = mrb_sym_name(mrb, mrb_symbol(t->name));
}
else {
/* Treat nil, undef, or any other type as unnamed */
name_str = "(unnamed)";
}
/* Format: #<Task:0x12345678 name:STATUS> */
snprintf(buf, sizeof(buf), "#<Task:%p %s:%s>",
(void *)t,
name_str,
status_str);
return mrb_str_new_cstr(mrb, buf);
}
static mrb_value
mrb_task_name(mrb_state *mrb, mrb_value self)
{
@@ -1410,6 +1464,7 @@ mrb_mruby_task_gem_init(mrb_state *mrb)
/* Instance methods */
mrb_define_method_id(mrb, task_class, MRB_SYM(status), mrb_task_status, MRB_ARGS_NONE());
mrb_define_method_id(mrb, task_class, MRB_SYM(inspect), mrb_task_inspect, MRB_ARGS_NONE());
mrb_define_method_id(mrb, task_class, MRB_SYM(name), mrb_task_name, MRB_ARGS_NONE());
mrb_define_method_id(mrb, task_class, MRB_SYM_E(name), mrb_task_set_name, MRB_ARGS_REQ(1));
mrb_define_method_id(mrb, task_class, MRB_SYM(priority), mrb_task_priority, MRB_ARGS_NONE());