feat(joinir): Phase 64 - Ownership P3 production integration (dev-only)
P3(if-sum) 本番ルートに OwnershipPlan 解析を接続（analysis-only）。 Key changes: - ast_analyzer.rs: Added analyze_loop() helper - Loop-specific analysis API for production integration - build_plan_for_scope() helper for single-scope extraction - pattern3_with_if_phi.rs: P3 production integration - OwnershipPlan analysis after ConditionEnv building - check_ownership_plan_consistency() for validation - Feature-gated #[cfg(feature = "normalized_dev")] Consistency checks: - Fail-Fast: Multi-hop relay (relay_path.len() > 1) - Warn-only: Carrier set mismatch (order SSOT deferred) - Warn-only: Condition captures (some patterns have extras) Tests: 49/49 PASS (2 new Phase 64 tests) - test_phase64_p3_ownership_prod_integration - test_phase64_p3_multihop_relay_detection - Zero regressions Design: Analysis-only, no behavior change - Integration point: After ConditionEnv, before JoinIR lowering - Dev-only validation for future SSOT migration Next: Phase 65+ - Carrier order SSOT, owner-based init 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
nyash-codex
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docs/development/current/main/PHASE_64_SUMMARY.md
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# Phase 64 Summary: Ownership P3 Production Integration (dev-only)
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## Goal
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Connect OwnershipPlan analysis to production P3(if-sum) route for dev-only validation.
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## Changes
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### 1. `ast_analyzer.rs`: Added `analyze_loop()` helper
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- **Purpose**: Analyze a single loop (condition + body) with parent context
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- **Signature**: `analyze_loop(condition, body, parent_defined) -> Result<OwnershipPlan>`
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- **Usage**: Called from P3 production route in `pattern3_with_if_phi.rs`
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- **Features**:
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- Creates temporary function scope for parent-defined variables
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- Analyzes loop scope with condition/body AST
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- Returns OwnershipPlan for loop scope only
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### 2. `pattern3_with_if_phi.rs`: Added dev-only OwnershipPlan call + consistency checks
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- **Location**: Inside `lower_pattern3_if_sum()` method, after ConditionEnv building
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- **Feature gate**: `#[cfg(feature = "normalized_dev")]`
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- **Workflow**:
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1. Collect parent-defined variables from `variable_map`
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2. Call `analyze_loop()` to produce OwnershipPlan
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3. Run `check_ownership_plan_consistency()` checks
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4. Continue with existing lowering (analysis-only, no behavior change)
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### 3. Consistency checks (`check_ownership_plan_consistency()`)
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#### Check 1: Multi-hop relay rejection (Fail-Fast)
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- **What**: `relay_path.len() > 1` → Err
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- **Why**: Multi-hop relay is out of scope for Phase 64
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- **Action**: Return error immediately (Fail-Fast principle)
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#### Check 2: Carrier set consistency (warn-only)
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- **What**: Compare `plan.owned_vars` (written) vs `carrier_info.carriers`
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- **Why**: Verify OwnershipPlan matches existing CarrierInfo
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- **Action**: Warn if mismatch (order SSOT deferred to Phase 65+)
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#### Check 3: Condition captures consistency (warn-only)
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- **What**: Verify `plan.condition_captures` ⊆ `condition_bindings`
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- **Why**: Ensure OwnershipPlan condition captures are tracked
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- **Action**: Warn if extra captures found
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### 4. Regression tests (`normalized_joinir_min.rs`)
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#### Test 1: `test_phase64_p3_ownership_prod_integration()`
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- **Purpose**: Verify `analyze_loop()` works for simple P3 loops
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- **Pattern**: `loop(i < 10) { local sum=0; sum=sum+i; i=i+1; }`
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- **Checks**:
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- Owned vars: sum (is_written=true), i (is_written=true, is_condition_only=true)
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- No relay writes (all loop-local)
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- Single-hop relay constraint verified
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#### Test 2: `test_phase64_p3_multihop_relay_rejection()`
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- **Purpose**: Verify multi-hop relay detection
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- **Pattern**: Nested loops with relay write to function-scoped variable
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- **Checks**:
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- Detects multi-hop relay (`relay_path.len() > 1`)
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- Documents that rejection happens in consistency check (not analyze_loop)
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## Constraints
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- **Dev-only**: `#[cfg(feature = "normalized_dev")]` throughout
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- **Analysis-only**: No behavior change to lowering
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- **Fail-Fast**: Multi-hop relay (`relay_path.len() > 1`)
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- **Warn-only**: Carrier set mismatch (order SSOT deferred)
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## Build and Test
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```bash
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# Build with normalized_dev feature
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cargo build --release --features normalized_dev
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# Run Phase 64 tests
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cargo test --features normalized_dev --test normalized_joinir_min phase64
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# Run ownership module tests
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cargo test --features normalized_dev --lib ownership
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```
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Expected: All tests pass, no regressions.
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## Next Steps
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### Phase 65+: Future Enhancements
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1. **Multi-hop relay support**: Remove `relay_path.len() > 1` limitation
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2. **Carrier order SSOT**: Use OwnershipPlan to determine carrier order (upgrade warn to error)
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3. **Owner-based init**: Replace legacy `FromHost` with owner-based initialization
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4. **Full AST coverage**: Extend `analyze_loop()` to handle more complex patterns
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## Related Documents
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- [Phase 62: Ownership P3 Route Design](phase62-ownership-p3-route-design.md)
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- [Phase 63: AST Ownership Analyzer](../../../private/roadmap2/phases/normalized_dev/phase-63-ast-ownership-analyzer.md)
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- [JoinIR Architecture Overview](joinir-architecture-overview.md)
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@ -91,11 +91,26 @@ OwnershipPlan を導入する際、次を Fail-Fast で固定する:
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## Migration Plan (Next Phase)
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### Phase 64: P3 本番ルートへ dev-only 接続
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### Phase 64: P3 本番ルートへ dev-only 接続 ✅ 実装済み
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- `pattern3_with_if_phi.rs` に dev-only で OwnershipPlan を導入
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- boundary inputs / exit bindings に対して carrier set の整合チェックを追加し、混線を Fail-Fast で検出可能にする
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- carrier order は既存の exit_meta / carrier_info と一致することを前提にし、順序の SSOT 化は後続フェーズで行う
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- ✅ `pattern3_with_if_phi.rs` に dev-only で OwnershipPlan を導入
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- `analyze_loop()` helper API を追加（`ast_analyzer.rs`）
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- `lower_pattern3_if_sum()` で OwnershipPlan を生成し整合チェック実行
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- ✅ boundary inputs / exit bindings に対して carrier set の整合チェックを追加
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- `check_ownership_plan_consistency()` 関数を実装
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- Fail-Fast: multi-hop relay rejection (`relay_path.len() > 1`)
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- Warn-only: carrier set mismatch（order SSOT は後続フェーズ）
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- ✅ 回帰テスト追加（`normalized_joinir_min.rs`）
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- `test_phase64_p3_ownership_prod_integration()`: 基本的な P3 ループ解析
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- `test_phase64_p3_multihop_relay_rejection()`: multi-hop relay 検出
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**実装サマリ**: `docs/development/current/main/PHASE_64_SUMMARY.md`
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### Phase 65+: 後続課題
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- Multi-hop relay サポート（`relay_path.len() > 1` 制限の撤廃）
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- Carrier order SSOT（OwnershipPlan を carrier 順序の SSOT に昇格、warn → error）
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- Owner-based init（legacy `FromHost` から owner ベース初期化へ移行）
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## References
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docs/development/current/main/phase64-implementation-report.md
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# Phase 64 Implementation Report: Ownership P3 Production Integration
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## Executive Summary
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**Status**: ✅ Complete
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**Date**: 2025-12-12
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**Feature Gate**: `normalized_dev`
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**Test Results**: 49/49 tests passing, no regressions
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Successfully integrated OwnershipPlan analysis into production P3 (if-sum) route with dev-only validation and Fail-Fast consistency checks.
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## Implementation Overview
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### Changes Made
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#### 1. Core API: `analyze_loop()` helper (`ast_analyzer.rs`)
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**Purpose**: Analyze a single loop with parent context for P3 production integration.
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```rust
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pub fn analyze_loop(
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condition: &ASTNode,
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body: &[ASTNode],
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parent_defined: &[String],
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) -> Result<OwnershipPlan, String>
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```
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**Features**:
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- Creates temporary function scope for parent-defined variables
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- Analyzes loop scope with condition (is_condition=true) and body
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- Returns OwnershipPlan for loop scope only (not parent scope)
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- Private helper `build_plan_for_scope()` for single-scope extraction
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**Key Design**: Avoids analyzing entire function - only analyzes the specific loop being lowered.
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#### 2. P3 Production Integration (`pattern3_with_if_phi.rs`)
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**Location**: Inside `lower_pattern3_if_sum()` method, after ConditionEnv building
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**Integration Point**:
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```rust
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#[cfg(feature = "normalized_dev")]
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{
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use crate::mir::join_ir::ownership::analyze_loop;
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// Collect parent-defined variables
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let parent_defined: Vec<String> = self.variable_map.keys()
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.filter(|name| *name != &loop_var_name)
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.cloned()
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.collect();
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// Analyze loop
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match analyze_loop(condition, body, &parent_defined) {
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Ok(plan) => {
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// Run consistency checks
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check_ownership_plan_consistency(&plan, &ctx.carrier_info, &condition_binding_names)?;
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// Continue with existing lowering (analysis-only)
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}
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Err(e) => {
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// Warn and continue (analysis is optional)
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}
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}
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}
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```
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**Key Design**: Analysis happens **after** ConditionEnv but **before** JoinIR lowering, ensuring:
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- All existing infrastructure is available for comparison
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- No behavior change to lowering (analysis-only)
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- Fail-Fast on critical errors only (multi-hop relay)
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#### 3. Consistency Checks (`check_ownership_plan_consistency()`)
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**Check 1: Multi-hop relay rejection (Fail-Fast)**
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```rust
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for relay in &plan.relay_writes {
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if relay.relay_path.len() > 1 {
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return Err(format!(
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"Phase 64 limitation: multi-hop relay not supported. Variable '{}' has relay path length {}",
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relay.name, relay.relay_path.len()
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));
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}
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}
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```
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**Why Fail-Fast**: Multi-hop relay requires semantic design beyond Phase 64 scope.
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**Check 2: Carrier set consistency (warn-only)**
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```rust
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let plan_carriers: BTreeSet<String> = plan.owned_vars
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.iter()
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.filter(|v| v.is_written)
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.map(|v| v.name.clone())
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.collect();
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let existing_carriers: BTreeSet<String> = carrier_info.carriers
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.iter()
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.map(|c| c.name.clone())
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.collect();
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if plan_carriers != existing_carriers {
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eprintln!("[phase64/ownership] Carrier set mismatch (warn-only, order SSOT deferred):");
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eprintln!(" OwnershipPlan carriers: {:?}", plan_carriers);
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eprintln!(" Existing carriers: {:?}", existing_carriers);
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}
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```
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**Why warn-only**: Carrier order SSOT is deferred to Phase 65+. This is a monitoring check only.
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**Check 3: Condition captures consistency (warn-only)**
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```rust
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let plan_cond_captures: BTreeSet<String> = plan.condition_captures
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.iter()
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.map(|c| c.name.clone())
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.collect();
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if !plan_cond_captures.is_subset(condition_bindings) {
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let extra: Vec<_> = plan_cond_captures
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.difference(condition_bindings)
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.collect();
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eprintln!("[phase64/ownership] Extra condition captures in plan (warn-only): {:?}", extra);
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}
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```
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**Why warn-only**: Some patterns may legitimately have extra captures during development.
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#### 4. Regression Tests (`normalized_joinir_min.rs`)
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**Test 1: `test_phase64_p3_ownership_prod_integration()`**
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- **Pattern**: `loop(i < 10) { local sum=0; local i=0; sum=sum+i; i=i+1; }`
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- **Verifies**:
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- Owned vars: sum (is_written=true), i (is_written=true, is_condition_only=true)
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- No relay writes (all loop-local)
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- Single-hop relay constraint
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**Test 2: `test_phase64_p3_multihop_relay_detection()`**
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- **Pattern**: Nested loops with function-scoped variable written in inner loop
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- **Verifies**:
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- Multi-hop relay detection (relay_path.len() = 2)
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- Documents that rejection happens in consistency check (not analyze_loop)
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### Test Results
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```bash
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# Phase 64 specific tests
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cargo test --features normalized_dev --test normalized_joinir_min test_phase64
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# Result: 2/2 passed
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# Ownership module tests
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cargo test --features normalized_dev --lib ownership
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# Result: 23/23 passed
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# Full normalized_joinir_min suite
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cargo test --features normalized_dev --test normalized_joinir_min
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# Result: 49/49 passed (no regressions)
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```
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## Design Decisions
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### Why `analyze_loop()` instead of full function analysis?
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**Decision**: Create a loop-specific helper that analyzes only the loop scope.
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**Rationale**:
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- P3 production route only needs loop-level information
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- Full function analysis would require threading through call stack
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- Loop-specific API matches the existing P3 lowering architecture
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- Simpler to test and verify correctness
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### Why dev-only (normalized_dev feature)?
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**Decision**: Gate all new code with `#[cfg(feature = "normalized_dev")]`.
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**Rationale**:
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- Analysis-only implementation (no behavior change)
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- Early detection of inconsistencies without risk
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- Allows iterative refinement before canonical promotion
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- Easy to disable if issues are discovered
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### Why Fail-Fast only for multi-hop relay?
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**Decision**: Only reject multi-hop relay (`relay_path.len() > 1`), warn for other mismatches.
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**Rationale**:
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- Multi-hop relay requires semantic design (Phase 65+)
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- Carrier set mismatches might indicate existing edge cases (monitor first)
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- Condition capture extras might be expected during development
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- Fail-Fast only for truly blocking issues
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### Why integrate after ConditionEnv building?
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**Decision**: Call `analyze_loop()` after ConditionEnv is built but before JoinIR lowering.
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**Rationale**:
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- ConditionEnv provides condition_bindings for comparison
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- CarrierInfo is available from PatternPipelineContext
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- ExitMeta will be available after lowering for future comparison
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- No behavior change - analysis is non-invasive
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## Constraints and Limitations
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### Phase 64 Constraints
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1. **Single-hop relay only**: `relay_path.len() > 1` → Err
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2. **Analysis-only**: No changes to lowering behavior
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3. **Dev-only**: `#[cfg(feature = "normalized_dev")]` throughout
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4. **Warn-only mismatches**: Carrier set and condition captures
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### Known Limitations
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1. **No carrier order SSOT**: Existing CarrierInfo order is preserved
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2. **No owner-based init**: Legacy `FromHost` initialization unchanged
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3. **No multi-hop relay support**: Out of scope for Phase 64
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4. **Parent context simplification**: Uses all `variable_map` keys except loop_var
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## Future Work (Phase 65+)
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### Phase 65: Carrier Order SSOT
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**Goal**: Use OwnershipPlan to determine carrier order (upgrade warn to error).
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**Changes**:
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- Make OwnershipPlan the source of truth for carrier set
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- Remove existing carrier inference logic
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- Enforce carrier order consistency (fail on mismatch)
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### Phase 66: Owner-Based Initialization
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**Goal**: Replace legacy `FromHost` with owner-based initialization.
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**Changes**:
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- Use OwnershipPlan to determine initialization strategy
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- Implement proper initialization for relay writes
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- Handle condition-only carriers correctly
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### Phase 67+: Multi-Hop Relay Support
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**Goal**: Remove `relay_path.len() > 1` limitation.
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**Semantic Design Needed**:
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- How to represent multi-hop relay in JoinIR
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- PHI insertion strategy for intermediate loops
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- Boundary input/output handling
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- Exit line connection across multiple loops
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## References
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- **Phase 62**: [Ownership P3 Route Design](phase62-ownership-p3-route-design.md)
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- **Phase 63**: [AST Ownership Analyzer](../../../private/roadmap2/phases/normalized_dev/phase-63-ast-ownership-analyzer.md)
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- **Phase 64 Summary**: [PHASE_64_SUMMARY.md](PHASE_64_SUMMARY.md)
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- **JoinIR Architecture**: [joinir-architecture-overview.md](joinir-architecture-overview.md)
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## Conclusion
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Phase 64 successfully connects OwnershipPlan analysis to production P3 route with:
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- ✅ Dev-only validation (no behavior change)
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- ✅ Fail-Fast for critical errors (multi-hop relay)
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- ✅ Comprehensive consistency checks (carrier set, condition captures)
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- ✅ Full test coverage (49/49 tests passing)
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- ✅ Zero regressions
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The implementation provides a solid foundation for Phase 65+ enhancements while maintaining existing functionality.
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