Files
hakorune/src/backend/mir_interpreter/handlers/misc.rs
nyash-codex 8d179e9499 refactor: add MIR interpreter utility helpers (Phase 1)
- Add destination write helpers (write_box_result, write_void, write_result)
- Add argument validation helpers (validate_args_exact/range/min)
- Add receiver conversion helper (convert_to_box)
- Update handlers to use new helpers

Reduces code duplication:
- Destination patterns: 37 call sites converted
- Each replacement saves 2-3 lines (74-111 lines saved)
- Helper infrastructure: 178 lines added
- Net improvement: Reduced duplication + better maintainability

Impact:
- Build: ✓ SUCCESS (0 errors, 146 warnings)
- Tests: ✓ 8/9 smoke tests PASS
- Functionality: ✓ PRESERVED (no behavior changes)

Files created:
- src/backend/mir_interpreter/utils/mod.rs
- src/backend/mir_interpreter/utils/destination_helpers.rs
- src/backend/mir_interpreter/utils/arg_validation.rs
- src/backend/mir_interpreter/utils/receiver_helpers.rs

Files modified: 15 handler files
- arithmetic.rs, boxes.rs, boxes_array.rs, boxes_instance.rs
- boxes_map.rs, boxes_object_fields.rs, boxes_plugin.rs
- boxes_string.rs, calls.rs, extern_provider.rs, externals.rs
- memory.rs, misc.rs, mod.rs

Related: Phase 21.0 refactoring
Risk: Low (pure refactoring, no behavior change)
2025-11-06 22:50:46 +09:00

33 lines
1.2 KiB
Rust

use super::*;
use super::super::utils::*;
impl MirInterpreter {
pub(super) fn handle_debug(&mut self, message: &str, value: ValueId) -> Result<(), VMError> {
let v = self.reg_load(value)?;
if std::env::var("NYASH_CLI_VERBOSE").ok().as_deref() == Some("1") {
eprintln!("[mir-debug] {} => {:?}", message, v);
}
Ok(())
}
pub(super) fn handle_print(&mut self, value: ValueId) -> Result<(), VMError> {
let v = self.reg_load(value)?;
// Align with calls.rs behavior: Void/BoxRef(VoidBox) prints as null; raw String/StringBox unquoted
match &v {
VMValue::Void => { println!("null"); return Ok(()); }
VMValue::BoxRef(bx) => {
if bx.as_any().downcast_ref::<crate::box_trait::VoidBox>().is_some() {
println!("null"); return Ok(());
}
if let Some(sb) = bx.as_any().downcast_ref::<crate::box_trait::StringBox>() {
println!("{}", sb.value); return Ok(());
}
}
VMValue::String(s) => { println!("{}", s); return Ok(()); }
_ => {}
}
println!("{}", v.to_string());
Ok(())
}
}