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docs: add instance-dispatch & birth invariants; smokes probe policy; archive CURRENT_TASK and replace with concise plan; impl VM stringify(Void) safety; tighten heavy probes; enable rewrite default ON

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This commit is contained in:
nyash-codex
2025-09-27 08:56:43 +09:00
parent cb236b7f5a
commit 8ea95c9d76
9 changed files with 2533 additions and 2434 deletions
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25
src/backend/mir_interpreter/handlers/boxes.rs
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@ -102,6 +102,19 @@ impl MirInterpreter {
method: &str,
args: &[ValueId],
) -> Result<(), VMError> {
// Dev-safe: stringify(Void) → "null" (最小安全弁)
if method == "stringify" {
if let VMValue::Void = self.reg_load(box_val)? {
if let Some(d) = dst { self.regs.insert(d, VMValue::String("null".to_string())); }
return Ok(());
}
if let VMValue::BoxRef(b) = self.reg_load(box_val)? {
if b.as_any().downcast_ref::<crate::box_trait::VoidBox>().is_some() {
if let Some(d) = dst { self.regs.insert(d, VMValue::String("null".to_string())); }
return Ok(());
}
}
}
// Trace: method call (class inferred from receiver)
if Self::box_trace_enabled() {
let cls = match self.reg_load(box_val).unwrap_or(VMValue::Void) {
@ -888,14 +901,18 @@ impl MirInterpreter {
if let Some(d) = dst { self.regs.insert(d, VMValue::String(String::new())); }
return Ok(());
}
// VoidBox graceful handling for common container-like methods
// Treat null.receiver.* as safe no-ops that return null/0 where appropriate
if recv_box.type_name() == "VoidBox" {
match method {
// VoidBox graceful handling for common container-like methods
// Treat null.receiver.* as safe no-ops that return null/0 where appropriate
if recv_box.type_name() == "VoidBox" {
match method {
"object_get" | "array_get" | "toString" => {
if let Some(d) = dst { self.regs.insert(d, VMValue::Void); }
return Ok(());
}
"stringify" => {
if let Some(d) = dst { self.regs.insert(d, VMValue::String("null".to_string())); }
return Ok(());
}
"array_size" | "length" | "size" => {
if let Some(d) = dst { self.regs.insert(d, VMValue::Integer(0)); }
return Ok(());