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vm/router: add DebugHub events for class-reroute and special-reroute (toString->stringify, equals fallback); zero-cost when disabled

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This commit is contained in:
nyash-codex
2025-09-28 02:08:26 +09:00
parent c409aa6ad1
commit 3768063b1e
1 changed files with 44 additions and 0 deletions
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44
src/backend/mir_interpreter/method_router.rs
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@ -5,6 +5,7 @@
*/ */
use super::{MirFunction, MirInterpreter}; use super::{MirFunction, MirInterpreter};
use serde_json::json;
use crate::backend::vm::{VMError, VMValue}; use crate::backend::vm::{VMError, VMValue};
#[derive(Debug, Clone)] #[derive(Debug, Clone)]
@ -41,6 +42,20 @@ fn reroute_to_correct_method(
) -> Option<Result<VMValue, VMError>> { ) -> Option<Result<VMValue, VMError>> {
let target = format!("{}.{}{}", recv_cls, parsed.method, format!("/{}", parsed.arity_str)); let target = format!("{}.{}{}", recv_cls, parsed.method, format!("/{}", parsed.arity_str));
if let Some(f) = interp.functions.get(&target).cloned() { if let Some(f) = interp.functions.get(&target).cloned() {
// Debug: emit class-reroute event (dev-only)
crate::debug::hub::emit(
"resolve",
"class-reroute",
interp.cur_fn.as_deref(),
None,
json!({
"recv_cls": recv_cls,
"orig_class": parsed.class,
"method": parsed.method,
"arity": parsed.arity_str,
"target": target,
}),
);
return Some(interp.exec_function_inner(&f, arg_vals)); return Some(interp.exec_function_inner(&f, arg_vals));
} }
None None
@ -64,6 +79,21 @@ fn try_special_reroute(
]; ];
for name in candidates.iter() { for name in candidates.iter() {
if let Some(f) = interp.functions.get(name).cloned() { if let Some(f) = interp.functions.get(name).cloned() {
// Debug: emit special-reroute event (dev-only)
crate::debug::hub::emit(
"resolve",
"special-reroute",
interp.cur_fn.as_deref(),
None,
json!({
"recv_cls": recv_cls,
"orig_class": parsed.class,
"method": parsed.method,
"arity": parsed.arity_str,
"target": name,
"reason": "toString->stringify",
}),
);
return Some(interp.exec_function_inner(&f, arg_vals)); return Some(interp.exec_function_inner(&f, arg_vals));
} }
} }
@ -80,6 +110,20 @@ fn try_special_reroute(
]; ];
for name in candidates.iter() { for name in candidates.iter() {
if let Some(f) = interp.functions.get(name).cloned() { if let Some(f) = interp.functions.get(name).cloned() {
crate::debug::hub::emit(
"resolve",
"special-reroute",
interp.cur_fn.as_deref(),
None,
json!({
"recv_cls": recv_cls,
"orig_class": parsed.class,
"method": parsed.method,
"arity": parsed.arity_str,
"target": name,
"reason": "equals-fallback",
}),
);
return Some(interp.exec_function_inner(&f, arg_vals)); return Some(interp.exec_function_inner(&f, arg_vals));
} }
} }