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feat(selfhost): add observation logs for Ny compiler path diagnosis

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Add NYASH_CLI_VERBOSE>=2 observation logs to trace the Ny compiler
child process path (NYASH_USE_NY_COMPILER=1):
- Log when spawning child process
- Log when receiving Program(JSON v0)
- Log before/after maybe_dump_mir with dump path info
- Report whether MIR dump file was created

Key finding: apps/selfhost/compiler/compiler.hako doesn't exist,
so the preferred child process route never fires. This explains
why RUST_MIR_DUMP_PATH doesn't create files in Ny compiler path.

Also update environment-variables.md with:
- NYASH_CLI_VERBOSE=2 level documentation
- Ny compiler observation template for Phase 29

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
nyash-codex
2025-11-25 07:08:32 +09:00
parent 8ae5280be2
commit 94b2bd2799
2 changed files with 158 additions and 124 deletions
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44
src/runner/selfhost.rs
View File

@ -22,6 +22,16 @@ impl NyashRunner {
if let Some(ext) = path.extension().and_then(|s| s.to_str()) {
match ext {
"ny" | "nyash" => { /* continue */ }
"hako" => {
// Opt-in: allow .hako to flow through Ny compiler when explicitly requested.
if !crate::config::env::use_ny_compiler() {
crate::cli_v!(
"[ny-compiler] skip selfhost pipeline for .hako (ext={}); enable NYASH_USE_NY_COMPILER=1 to force",
ext
);
return false;
}
}
_ => {
crate::cli_v!(
"[ny-compiler] skip selfhost pipeline for non-Ny source: {} (ext={})",
@ -177,10 +187,15 @@ impl NyashRunner {
// This avoids inline embedding pitfalls and supports Stage-3 gating via args.
{
use crate::runner::modes::common_util::selfhost::{child, json};
let verbose_level = crate::config::env::dump::cli_verbose_level();
let exe = std::env::current_exe()
.unwrap_or_else(|_| std::path::PathBuf::from("target/release/nyash"));
let parser_prog = std::path::Path::new("apps/selfhost/compiler/compiler.hako");
if parser_prog.exists() {
// Phase 28.2: observation log (NYASH_CLI_VERBOSE>=2)
if verbose_level >= 2 {
eprintln!("[selfhost/ny] spawning Ny compiler child process: {}", parser_prog.display());
}
// Build extra args forwarded to child program
let mut extra_owned: Vec<String> = Vec::new();
if crate::config::env::ny_compiler_min_json() {
@ -233,11 +248,34 @@ impl NyashRunner {
("HAKO_ALLOW_USING_FILE", "0"),
],
) {
// Phase 28.2: observation log - JSON received
if verbose_level >= 2 {
eprintln!("[selfhost/ny] received Program(JSON v0), size={} bytes", line.len());
}
match json::parse_json_v0_line(&line) {
Ok(module) => {
if crate::config::env::cli_verbose() {
if crate::config::env::cli_verbose() {
super::json_v0_bridge::maybe_dump_mir(&module);
// Phase 28.2: observation log - before maybe_dump_mir
if verbose_level >= 2 {
let dump_path = crate::config::env::dump::rust_mir_dump_path();
eprintln!(
"[selfhost/ny] lowering Program(JSON v0) → MIR via json_v0_bridge (funcs={})",
module.functions.len()
);
eprintln!(
"[selfhost/ny] calling maybe_dump_mir (RUST_MIR_DUMP_PATH={:?}, cli_verbose={})",
dump_path.as_deref().unwrap_or("<unset>"),
crate::config::env::cli_verbose()
);
}
super::json_v0_bridge::maybe_dump_mir(&module);
// Phase 28.2: observation log - after maybe_dump_mir
if verbose_level >= 2 {
if let Some(ref path) = crate::config::env::dump::rust_mir_dump_path() {
if std::path::Path::new(path).exists() {
eprintln!("[selfhost/ny] ✅ MIR dump file created: {}", path);
} else {
eprintln!("[selfhost/ny] ⚠️ MIR dump file NOT created: {}", path);
}
}
}
let emit_only = crate::config::env::ny_compiler_emit_only();