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Moe Charm 22212aa314 refactor: Major interpreter modularization and P2PBox enhancements

Major Interpreter Refactoring:
- Split core.rs (373 lines removed) into focused modules
- Split expressions/calls.rs (460 lines removed) into cleaner structure
- Added new modules: calls.rs, errors.rs, eval.rs, methods_dispatch.rs, state.rs
- Improved separation of concerns across interpreter components

P2PBox Enhancements:
- Added on_once() for one-time event handlers
- Added off() for handler deregistration
- Implemented handler flags with AtomicBool for thread-safe management
- Added loopback testing cache (last_from, last_intent_name)
- Improved Arc-based state sharing for transport and handlers

Plugin Loader Unification (In Progress):
- Created plugin_loader_unified.rs skeleton
- Created plugin_ffi_common.rs for shared FFI utilities
- Migration plan documented (2400 lines → 1100 lines target)

MIR & VM Improvements:
- Enhanced modularized MIR builder structure
- Added BoxCall dispatch improvements
- Better separation in builder modules

Documentation Updates:
- Added Phase 9.79a unified box dispatch plan
- Created plugin loader migration plan
- Updated CURRENT_TASK.md with latest progress

All tests passing (180 tests) - ready for next phase of refactoring

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

2025-08-26 19:13:57 +09:00

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P2PBox Reference (Phase 9.79 Minimal)

Status: Experimental (Loopback-ready) Updated: 2025-08-26

Overview

P2PBox is a structured P2P node built on IntentBox + MessageBus + Transport. This document covers the minimal API implemented for Phase 9.79.

Core API

new(nodeId: String, transport: String)
getNodeId() -> String
getTransportType() -> String
isReachable(nodeId: String) -> Bool
send(to: String, intent: IntentBox) -> ResultBox<Bool, Error>
on(intentName: String, handler: MethodBox) -> ResultBox<Bool, Error>
getLastIntentName() -> String // testing helper
getLastFrom() -> String // testing helper

Notes:

send() returns ResultBox; Ok(true) on success, Err(message) on failure
on() currently wires MethodBox to transport and will call MethodBox.invoke(intent, from)
MethodBox.invoke is a stub until Interpreter hook is added (see Roadmap)

Transport

InProcessTransport only (in-proc MessageBus)
Transport trait exposes register_intent_handler(intent, cb) used by on()

Lifecycle

Typical pattern where handler captures 'me':

static box Node {
  init { p2p, handle }

  birth() {
    me.p2p = new P2PBox("alice", "inprocess")
    me.handle = new MethodBox(me, "onPing")
    me.p2p.on("ping", me.handle)
  }

  onPing(intent, from) {
    // TODO: requires MethodBox.invoke integration with interpreter
    // print("got " + intent.getName() + " from " + from)
  }
}

Destruction order (no strong-cycle):

Node (me) drops → fields drop (p2p, handle)
P2PBox drops → InProcessTransport Drop → MessageBus unregister
Registered handlers released → MethodBox released → me released

Quick Smoke

cargo build -j32
./target/debug/nyash local_tests/p2p_self_ping.nyash
# Expect:
# last intent: ping
# last from: alice

Roadmap

MethodBox.invoke → Interpreter hook (global invoker or dedicated API)
P2PBox.off(intent) and onOnce(intent, handler)
WebSocket/WebRTC transports implementing register_intent_handler
Remove testing helpers (getLast*) once full handler path is live

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