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Author SHA1 Message Date
tomoaki
64f679354a fix(joinir): Phase 256 P1 - Carrier PHI wiring and parameter mapping (in progress) 
**Status**: Core carrier PHI issue partially resolved, debugging loop body

**Progress**:
✅ Task 1: split_scan_minimal.rs Carriers-First ordering (6 locations)
✅ Task 2: pattern7_split_scan.rs boundary configuration (host/join inputs, exit_bindings, expr_result)
✅ Result now flows from k_exit to post-loop code (RC issue resolved)
⚠️  Loop body instruction execution needs review

**Key Fixes**:
1. Fixed host_inputs/join_inputs to match main() params Carriers-First order
2. Added result to exit_bindings (CarrierRole::LoopState)
3. Added result back to loop_invariants for variable initialization
4. Added expr_result=join_exit_value_result for loop expression return
5. Fixed jump args to k_exit to include all 4 params [i, start, result, s]

**Current Issue**:
- Loop body type errors resolved (String vs Integer fixed)
- New issue: Loop body computations (sep_len) undefined in certain blocks
- Likely cause: JoinIR→MIR conversion of local variables needs review

**Next Steps**:
- Review JoinValueSpace allocation and ValueId mapping in conversion
- Verify loop_step instruction ordering and block structure
- May need to refactor bound computation or revisit split algorithm

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Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
 2025-12-20 01:24:04 +09:00
tomoaki
2d9c6ea3c6 feat(joinir): Phase 254-255 - Pattern 6 (ScanWithInit) + exit PHI DCE fix 
## Phase 254: Pattern 6 (ScanWithInit) Detection & JoinIR Lowering

Pattern 6 detects index_of/find/contains-style loops:
- Loop condition: i < x.length()
- Loop body: if with method call condition + early return
- Step: i = i + 1
- Post-loop: return not-found value (-1)

Key features:
- Minimal lowering: main/loop_step/k_exit functions
- substring hoisted to init-time BoxCall
- Two k_exit jumps (found: i, not found: -1)
- Tests: phase254_p0_index_of_min.hako

## Phase 255 P0: Multi-param Loop CarrierInfo

Implemented CarrierInfo architecture for Pattern 6's 3-variable loop (s, ch, i):
- i: LoopState (header PHI + exit PHI)
- s, ch: ConditionOnly (header PHI only)
- Alphabetical ordering for determinism
- All 3 PHI nodes created correctly
- Eliminates "undefined ValueId" errors

## Phase 255 P1: Exit PHI DCE Fix

Prevents exit PHI from being deleted by DCE:
- PostLoopEarlyReturnStepBox emits post-loop guard
- if (i != -1) { return i } forces exit PHI usage
- Proven pattern from Pattern 2 (balanced_depth_scan)
- VM/LLVM backends working

## Test Results

✅ pattern254_p0_index_of_vm.sh: PASS (exit code 1)
✅ pattern254_p0_index_of_llvm_exe.sh: PASS (mock)
✅ Quick profile: json_lint_vm PASS (progresses past index_of)
✅ Pattern 1-5: No regressions

## Files Added

- src/mir/builder/control_flow/joinir/patterns/pattern6_scan_with_init.rs
- src/mir/join_ir/lowering/scan_with_init_minimal.rs
- apps/tests/phase254_p0_index_of_min.hako
- docs/development/current/main/phases/phase-254/README.md
- docs/development/current/main/phases/phase-255/README.md

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Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
 2025-12-19 23:32:25 +09:00
tomoaki
9336785680 feat(anf): Phase 146/147 - Loop/If Condition ANF with Compare support 
## Phase 146 P0: ANF Routing SSOT Unified

**Goal**: Unify ANF routing in `lower_expr_with_scope()` L54-84, remove legacy lowering

**Changes**:
- expr_lowerer_box.rs: Added scope check (PureOnly → skip ANF, WithImpure → try ANF)
- post_if_post_k.rs: Removed legacy inline lowering (L271-285), added `lower_condition_legacy()` helper
- contract.rs: Already had `CondLoweringFailed` out-of-scope reason

**Test Results**: ✅ Phase 146 P0 smoke (exit 7), 0 regressions

## Phase 146 P1: Compare Operator Support

**Goal**: Enable ANF for condition expressions with Compare operators

**Changes**:
- joinir_dev.rs: Added `anf_allow_pure_enabled()` (HAKO_ANF_ALLOW_PURE=1)
- expr_lowerer_box.rs: PureOnly scope ANF support (L56-66)
- execute_box.rs: Compare operator support (+122 lines)
  - `execute_compare_hoist()`, `execute_compare_recursive()`, `ast_compare_to_joinir()`
  - Extended `normalize_and_lower()` for Compare

**Test Results**: ✅ Phase 146 P1 smoke (exit 7 with flags), 0 regressions

## Phase 147 P0: Recursive Comparison ANF

**Goal**: Extend recursive ANF to Compare operators

**Changes**:
- contract.rs: Added `AnfParentKind::Compare` variant
- plan_box.rs: Compare case in BinaryOp routing (L68-79, L134-139)
  - Distinguishes Compare vs arithmetic BinaryOp

**Benefits**: Enables recursive ANF for comparisons
- `s.length() == 3` → `t = s.length(); if (t == 3)` ✅
- `s1.length() < s2.length()` → `t1 = s1.length(); t2 = s2.length(); if (t1 < t2)` ✅

## Implementation Summary

**Files Modified** (9 files, +253 lines, -25 lines = +228 net):
1. src/config/env/joinir_dev.rs (+28 lines)
2. src/mir/control_tree/normalized_shadow/anf/contract.rs (+2 lines)
3. src/mir/control_tree/normalized_shadow/anf/execute_box.rs (+122 lines)
4. src/mir/control_tree/normalized_shadow/anf/plan_box.rs (+18 lines)
5. src/mir/control_tree/normalized_shadow/common/expr_lowerer_box.rs (+18 lines, -0 lines)
6. src/mir/control_tree/normalized_shadow/post_if_post_k.rs (+44 lines, -25 lines)
7. CURRENT_TASK.md
8. docs/development/current/main/10-Now.md
9. docs/development/current/main/30-Backlog.md

**Files Created** (7 files):
- apps/tests/phase146_p0_if_cond_unified_min.hako
- apps/tests/phase146_p1_if_cond_intrinsic_min.hako
- tools/smokes/.../phase146_p0_if_cond_unified_vm.sh
- tools/smokes/.../phase146_p0_if_cond_unified_llvm_exe.sh
- tools/smokes/.../phase146_p1_if_cond_intrinsic_vm.sh
- tools/smokes/.../phase146_p1_if_cond_intrinsic_llvm_exe.sh
- docs/development/current/main/phases/phase-146/README.md

**Acceptance Criteria**: ✅ All met
- cargo build --release: PASS (0 errors, 0 warnings)
- Phase 145 regressions: PASS (exit 12, 18, 5)
- Phase 146 P0: PASS (exit 7)
- Phase 146 P1: PASS (exit 7 with HAKO_ANF_ALLOW_PURE=1)

**Architecture**:
- SSOT: ANF routing only in `lower_expr_with_scope()` L54-84
- Box-First: Phase 145 `anf/` module extended
- Legacy removed: post_if_post_k.rs unified with SSOT

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-19 17:03:56 +09:00
tomoaki
6a3b6deb20 feat(anf): Phase 145 P0/P1/P2 - ANF (A-Normal Form) transformation 
Implement ANF transformation for impure expressions to fix evaluation order:

Phase 145 P0 (Skeleton):
- Add anf/ module with contract/plan/execute 3-layer separation
- AnfDiagnosticTag, AnfOutOfScopeReason, AnfPlan enums
- Stub execute_box (always returns Ok(None))
- 11 unit tests pass

Phase 145 P1 (Minimal success):
- String.length() whitelist implementation
- BinaryOp + MethodCall pattern: x + s.length() → t = s.length(); result = x + t
- Exit code 12 verification (VM + LLVM EXE)
- 17 unit tests pass

Phase 145 P2 (Generalization):
- Recursive ANF for compound expressions
- Left-to-right, depth-first evaluation order
- Patterns: x + s.length() + z, s1.length() + s2.length()
- ANF strict mode (HAKO_ANF_STRICT=1)
- Diagnostic tags (joinir/anf/*)
- 21 unit tests pass, 0 regression

Also includes Phase 143 P2 (else symmetry) completion.

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-19 16:19:49 +09:00
tomoaki
5e662eaaf6 fix(normalization): Phase 143 execution fix - Param region SSOT 
Problem: normalized_helpers allocated env params as ValueId(1,2...)
in PHI Reserved region (0-99) instead of Param region (100-999)
per JoinValueSpace contract.

Root cause: All 4 normalized shadow modules started from
next_value_id=1, violating the Param region contract.

Solution:
- Add NormalizedHelperBox::alloc_env_params_param_region()
  that allocates params starting from PARAM_MIN (100)
- Update 4 normalized shadow files to use new API:
  - loop_true_if_break_continue.rs
  - loop_true_break_once.rs
  - if_as_last_join_k.rs
  - post_if_post_k.rs
- Fix instruction_rewriter.rs type mismatch
  (func.signature.params → func.params)

Verification:
- Unit tests: 69/69 PASS
- VM smoke: exit code 7 ✅
- LLVM EXE smoke: exit code 7 ✅ (timeout resolved!)

ValueId Space Contract (Phase 201):
| Region       | Range    | Purpose                      |
|--------------|----------|------------------------------|
| PHI Reserved | 0-99     | Loop header PHI dst          |
| Param        | 100-999  | env params (flag, counter)   |
| Local        | 1000+    | Const, BinOp, condition      |

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-19 08:23:20 +09:00
tomoaki
7030b110cb feat(phase143/r0): Contract SSOT extraction - loop-if-exit pattern refactoring 
Phase 143 R0: Refactor P0 to prevent if-branch explosion in P1/P2

**Key Changes**:
- New: loop_if_exit_contract.rs (LoopIfExitShape, LoopIfExitThen, OutOfScopeReason)
- Contract SSOT for pattern shape detection and exit action discrimination
- Separated unit tests to tests/phase143_loop_if_exit_contract.rs (8 tests)
- Removed embedded tests from implementation file
- Updated module declarations for contract and test modules

**Benefits**:
- Enum-driven pattern discrimination (no if-branch explosion)
- P1 extension: Add Continue via 1 enum variant + 1 match arm
- P2 extension: Add else via contract fields (linear growth, not exponential)
- Improved maintainability and code discoverability

**Verification**:
- cargo check: ✅ 0 errors
- Unit tests: ✅ 8/8 passed
- Documentation: ✅ Updated 10-Now.md and 30-Backlog.md

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Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
 2025-12-19 06:33:56 +09:00
tomoaki
af2a5e27d6 feat(normalization): Phase 142 P1 - LLVM EXE parity for loop normalization
Some checks failed
fast-smoke / fast (push) Has been cancelled
Details 
Phase 142-loopstmt P1: LLVM EXE smoke test for statement-level loop normalization

- Added: tools/smokes/v2/profiles/integration/apps/phase142_loop_stmt_only_then_return_length_min_llvm_exe.sh
- Verification: Exit code 3 parity with VM test
- Status: ✅ PASS (exit code 3, string length computed correctly)

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Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
 2025-12-19 05:42:11 +09:00
tomoaki
4082abb30c feat(normalization): Phase 142 P0 - Loop statement-level normalization 
Phase 142-loopstmt P0: Statement-level normalization

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Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
 2025-12-19 05:28:49 +09:00
nyash-codex
1154aeb40a docs: Phase 138 - ReturnValueLowererBox SSOT documentation 
Phase 138 Documentation:
- Created docs/development/current/main/phases/phase-138/README.md
- Goal: Extract return lowering to shared Box for SSOT
- SSOT: common/return_value_lowerer_box.rs
- Supported: Variable, Integer literal, Add expression (x + 2, 5 + 3)
- Implementation: New files, modified files, call sites
- Tests: 5 unit tests + all regressions PASS
- Architecture Impact: Code reduction, maintainability, testability
- Phase 139 準備: Next step clearly indicated (post_if_post_k.rs unification)

10-Now.md Updates:
- Added Phase 138 entry (ReturnValueLowererBox SSOT)
- Implementation details and test coverage
- Design decision: Phase 138 P0 migrated loop paths only
- Link to Phase 138 README

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-19 00:56:02 +09:00
nyash-codex
962d1803c9 docs: Phase 136/137 - return literal and add expression documentation 
Phase 136 Documentation:
- Created docs/development/current/main/phases/phase-136/README.md
- Goal: loop(true) break-once with return literal (Integer)
- Supported: return 7, loop + post + return literal
- Implementation: lower_return_value_to_vid() method
- Tests: 2 fixtures + 4 smokes
- VM/LLVM EXE parity verification commands

Phase 137 Documentation:
- Created docs/development/current/main/phases/phase-137/README.md
- Goal: loop(true) break-once with return add expression
- Supported: return x+2, return 5+3, loop+post+return add
- Implementation: Extended lower_return_value_to_vid() for BinaryOp Add
- Return Value Lowering SSOT documented (lines 29-46)
- Boxification trigger: when 2+ files need identical logic
- Tests: 3 fixtures + 6 smokes
- VM/LLVM EXE parity verification commands

10-Now.md Updates:
- Added Phase 136 entry (return literal)
- Added Phase 137 entry (return add expression)
- Implementation details and test coverage
- Links to phase READMEs

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-19 00:16:06 +09:00
nyash-codex
91c7dfbf0b refactor(normalization): Phase 135 P0 - Extend plan to zero post-loop assigns 
Generalize NormalizationPlan suffix detection to accept zero post-loop assignments:

Goal: Improve entry point consistency by allowing `loop + assign* + return` (N >= 0)

Implementation:
- Modified plan_box.rs detection logic (only file changed)
- Removed `post_assign_count >= 1` requirement
- Unified Phase 131 (loop + return) and Phase 132-133 (loop + assign+ + return) paths

Changes:
- src/mir/builder/control_flow/normalization/plan_box.rs:
  - Removed assignment count constraint
  - Unified pattern detection: `loop + assign* + return` (N >= 0)
- apps/tests/phase135_loop_true_break_once_post_empty_return_min.hako (new fixture)
- tools/smokes/v2/profiles/integration/apps/phase135_*.sh (new smoke tests)

Pattern support:
- Phase 131/135: loop + return only (consumed: 2, post_assign_count: 0) ✅
- Phase 132: loop + 1 assign + return (consumed: 3, post_assign_count: 1) ✅
- Phase 133: loop + N assigns + return (consumed: 2+N, post_assign_count: N) ✅

Design principles maintained:
- **Minimal change**: Only plan_box.rs modified (execute_box unchanged)
- **SSOT**: Detection logic centralized in plan_box.rs
- **Box-First**: Responsibility separation preserved (Plan/Execute)

Test results:
- Unit tests (plan_box): 9/9 PASS (2 new tests added)
- Phase 135 VM/LLVM EXE: PASS (exit code 1)
- Phase 131 regression: 2/2 PASS (path now unified)
- Phase 133 regression: 2/2 PASS
- cargo test --lib: PASS

Benefits:
- Unified entry point for all loop + post patterns
- Easier maintenance (single detection logic)
- Future extensibility (easy to add new patterns)
- Clear separation of Phase 131 and Phase 132-135 paths

Default behavior unchanged: Dev-only guard maintained

Related: Phase 135 normalization pattern consistency improvement

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-18 22:46:32 +09:00
nyash-codex
ef71ea955c feat(control_tree): Phase 133 P0 - Multiple post-loop assigns support 
Extend Phase 132's loop(true) + post-loop to accept multiple assignments:

Goal: `x=0; loop(true){ x=1; break }; x=x+2; x=x+3; return x` → exit code 6

Implementation:
- Extended loop_true_break_once.rs pattern detection (len() == 2 → len() >= 2)
- Added iterative assignment lowering (for loop over post_nodes)
- Reused Phase 130's lower_assign_stmt for each assignment
- Maintained ExitMeta DirectValue mode (PHI-free)

Changes:
- apps/tests/phase133_loop_true_break_once_post_multi_add_min.hako (new fixture)
- tools/smokes/v2/profiles/integration/apps/phase133_*_multi_add_*.sh (new smokes)
- src/mir/control_tree/normalized_shadow/loop_true_break_once.rs (+30 lines)
- docs/development/current/main/phases/phase-133/README.md (new documentation)
- docs/development/current/main/10-Now.md (Phase 133 entry added)

Scope (Phase 130 baseline):
- ✅ x = <int literal>
- ✅ x = y (variable copy)
- ✅ x = x + <int literal> (increment)
- ❌ Function calls / general expressions (future phases)

Design principles:
- Minimal change: ~30 lines added
- SSOT preservation: env_post_k remains single source of truth
- Reuse: Leveraged existing lower_assign_stmt
- Fail-Fast: Contract violations trigger freeze_with_hint

Test results:
- cargo test --lib: 1176 PASS
- Phase 133 VM: PASS (exit code 6)
- Phase 133 LLVM EXE: PASS (exit code 6)
- Phase 132 regression: PASS (exit code 3)
- Phase 131 regression: PASS (exit code 1)
- Phase 97 regression: PASS

Architecture maintained:
- 5-function structure unchanged (main/loop_step/loop_body/k_exit/post_k)
- PHI-free DirectValue mode
- Zero changes to ExitMeta, merge logic, or JoinIR contracts

Related: Phase 133 loop(true) + multiple post-loop assignments

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-18 22:11:08 +09:00
nyash-codex
9fb35bbc05 docs: Phase 132 DONE - loop(true) + post-loop complete 
Update documentation to mark Phase 132 as complete:

**10-Now.md**:
- Add Phase 132 completion entry (P0/P0.5/P1/R0)
- Document what was solved:
  - loop(true) + post VM/LLVM EXE parity (exit code 3)
  - Continuation contracts SSOT化
  - merge が by-name 推測禁止
- Entry link: docs/development/current/main/phases/phase-132/README.md

**phase-132/README.md**:
- Update Status: IN PROGRESS → DONE ✅
- Add Current Status section with P0/P0.5/P1/R0 completion details
- Document SSOT achievements:
  - JoinInlineBoundary::default_continuations()
  - src/mir/builder/control_flow/joinir/merge/README.md (merge contracts)
  - src/mir/builder/control_flow/joinir/legacy/README.md (removal conditions)
- Test placement: continuation_contract.rs
- Test results: All Phase 131/132/97 smokes PASS

Phase 132 Summary:
- P0: post_k generation (loop_true_break_once.rs extension)
- P0.5: Suffix router for StepTree (post statements visibility fix)
- P1: k_exit continuation classification fix (structural check)
- R0: Infrastructure refactoring (SSOT + legacy isolation + docs)

Key achievements:
- VM/LLVM EXE parity for loop(true) + post-loop
- Continuation contracts SSOT and documented
- Legacy code path isolated for future removal
- Code quality improved (warnings reduced)

Related: Phase 132 loop(true) + post-loop complete implementation

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-18 21:53:54 +09:00
nyash-codex
f775c0fe01 docs: Phase 131 P2 DirectValue exit reconnection complete 
Update completion status for Phase 131 P2:
- CURRENT_TASK.md: Note WSL restart resolved EXDEV issue
- 10-Now.md: Add Phase 131 P2 completion entry
- phase-131/README.md: Document P1.5 and P2 deliverables

Phase 131 Status: DONE ✅
- loop(true) break-once executes correctly
- Exit values propagate through DirectValue mode
- VM + LLVM EXE parity verified

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-18 17:48:18 +09:00
nyash-codex
bd39e09c5d docs: Phase 131 P0 structure implementation complete 
Document Phase 131 P0 Normalized loop(true) break-once:

**Documentation**:
- docs/development/current/main/phases/phase-131/README.md (234 lines)
  - Goal: loop(true) { <assign>* ; break } in Normalized (PHI-free)
  - Scope: one-time execution loop only
  - Contract: Bool(true) literal + break at end
  - SSOT: EnvLayout, loop structure contract, VM+LLVM parity
  - Current status: structure implemented, execution wiring pending
- docs/development/current/main/10-Now.md
  - Updated Next section with Phase 131 P0 status

**Deliverables** (P0):
- ✅ Complete loop(true) break-once Normalized lowering logic
- ✅ PHI-free implementation (env + continuations)
- ✅ Box-First modular design
- ✅ Foundation for execution (structure verified)
- ✅ Unit tests passing (1155/1155)

**Known Limitation**:
- Execution path not yet wired (dev-only observation mode)
- Follow-up phase needed to route execution through Normalized shadow
- VM/LLVM smokes fail (expected until execution wiring)

**Next Steps**:
1. Modify try_cf_loop_joinir to check Normalized shadow first
2. Add dev-mode routing for loop(true) break-once
3. Implement JoinModule → MIR merge for loop patterns
4. Enable VM/LLVM smoke tests

Related: Phase 131 P0 - loop(true) break-once Normalized structure
 2025-12-18 09:36:50 +09:00
nyash-codex
353b8022af docs: clarify Phase 130 LLVM EXE smoke gating 2025-12-18 09:22:15 +09:00
nyash-codex
b5d628d8bf docs: Phase 130 DONE (if-only normalized small expr/assign) 2025-12-18 09:13:19 +09:00
nyash-codex
05fccce09a docs: add Phase 130 plan and set Now to Phase 130 2025-12-18 08:36:38 +09:00
nyash-codex
80df1cccd4 feat(control_tree): Phase 129-C post-if via post_k continuation 2025-12-18 08:33:56 +09:00
nyash-codex
b2af9fb297 docs: update normalized_shadow references and Phase 129 status 2025-12-18 08:18:20 +09:00
nyash-codex
36717cad4f docs: update Now/INDEX for Phase 129-B join_k as-last 2025-12-18 07:54:16 +09:00
nyash-codex
088122df71 docs: update Now/INDEX for Phase 127 DONE and Phase 129 next 2025-12-18 07:28:30 +09:00
nyash-codex
d74f77d2ed docs: Phase 128 DONE 2025-12-18 07:08:32 +09:00
nyash-codex
9aedc19413 docs: add Phase 127 entry (planned) 2025-12-18 06:55:29 +09:00
nyash-codex
b195e8bad9 docs: Phase 126 DONE (available_inputs wired) 
- AvailableInputsCollectorBox: function params + CapturedEnv SSOT
- EnvLayout.inputs: reads ∩ available_inputs (deterministic)
- Reads-only inputs resolution実装完了（dev-only）
- Regression: 1165 tests PASS, Phase 121-125/118 smokes PASS
- 次: Phase 127 TBD
 2025-12-18 06:46:43 +09:00
nyash-codex
d7c77e1046 docs: Phase 125 P2-P5 DONE (structure-only, P3 pending) 
Phase 125 P2-P5 完了:
- EnvLayout (writes + inputs) 導入
- Return(Variable) 解決拡張（writes or inputs）
- Fail-Fast with hint（構造化エラー）
- Unit tests: 18/18 PASS
- Integration smoke: PASS
- Regression: Phase 121-124, 118 維持

Next: Phase 125 P3 (available_inputs wiring)
- routing.rs / lowering.rs で available_inputs を配線
- SSOT: function params + CapturedEnv

Ref: docs/development/current/main/phases/phase-125/README.md
 2025-12-18 06:33:03 +09:00
nyash-codex
7eeeb588e4 docs: add Phase 125 entry (planned) 2025-12-18 06:28:39 +09:00
nyash-codex
d044af1fbc docs: Phase 124 DONE 
Phase 124 完了:
- reads facts SSOT 化（StepTreeFacts/Contract に追加）
- Return(Variable) from env (writes) サポート（dev-only）
- env マッピング（変数名 → ValueId）を writes から生成
- extract_variables_from_ast() で Variable 抽出を SSOT 化
- Fail-Fast 原則（env に無い Variable はエラー）
- Unit tests: 1159 PASS (including test_return_variable_from_env)
- Integration smoke: PASS (phase124_if_only_return_var_vm.sh)
- 回帰確認: Phase 121/123/118 全て PASS
- 10-Now.md 更新（Phase 124 完了、Phase 125 計画追加）
 2025-12-18 06:10:17 +09:00
nyash-codex
4f0ffae70d docs: Phase 123 DONE 
Updates documentation to reflect Phase 123 completion.

**Updates**:
1. `docs/development/current/main/phases/phase-123/README.md`:
   - Marked all success criteria as complete
   - Added comprehensive DONE section with implementation details
   - Documented key design decisions (graceful degradation, fail-fast, box-first)
   - Added verification commands and next steps (Phase 124)

2. `docs/development/current/main/10-Now.md`:
   - Moved Phase 123 from "Next" to "2025-12-18: Phase 123 完了"
   - Added Phase 123 summary (Return literal, If minimal compare, graceful degradation)
   - Updated "Next" to Phase 124 (Normalized reads facts + Return(Variable))

3. `docs/development/current/main/01-JoinIR-Selfhost-INDEX.md`:
   - Added Phase 123 entry: "Normalized semantics (Return literal + If minimal compare, dev-only)"

**Phase 123 Summary**:
- P0: Docs complete, scope frozen ✅
- P1: Return(Integer literal) working ✅
- P2: Return(Variable) returns Ok(None) (graceful degradation) ✅
- P3: If(minimal compare) generates correct JoinIR ✅
- P4: Integration smoke passing ✅
- P5: Docs updated ✅

**Verification**:
- Unit tests: 8 passed
- Integration smoke: PASS
- Legacy tests: Still passing (graceful degradation confirmed)

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-18 05:50:29 +09:00
nyash-codex
51ed137339 docs: Phase 123 plan (if-only normalized semantics) 2025-12-18 05:29:34 +09:00
nyash-codex
c92154966c docs: add Phase 122 entry (planned) 2025-12-18 04:48:53 +09:00
nyash-codex
2a53f87d10 docs: Phase 121 DONE (StepTree→Normalized shadow parity for if-only) 2025-12-18 04:40:53 +09:00
nyash-codex
9d5e58305e docs: Phase 120 DONE 2025-12-18 04:19:48 +09:00
nyash-codex
708accc853 docs: Phase 119 DONE 2025-12-18 04:09:47 +09:00
nyash-codex
5091cda9cb docs: Phase 118 DONE (loop+if merge parity) 2025-12-18 03:43:16 +09:00
nyash-codex
2c7f5f7a5e docs: Phase 117 DONE 
Phase 117: if-only nested-if + call merge parity completed.

**Documentation**:
- docs/development/current/main/phases/phase-117/README.md (complete)
- docs/development/current/main/10-Now.md (updated with Phase 117 entry)
- docs/development/current/main/01-JoinIR-Selfhost-INDEX.md (added Phase 117 to index)

**Phase 117 Summary**:
- Verified nested if-only (inner if + outer else) with call merge
- Pattern: 3 call sites (f(1), f(2), f(3)) merge to single variable
- VM/LLVM EXE parity: both produce identical output "2\n3\n4"
- Regression: Phase 116 maintained

**Technical Details**:
- JoinIR Pattern3 (if-only) nested structure validation
- Call merge across nested control flow
- PHI node generation for nested branches
- LLVM EXE plugin integration (StringBox, IntegerBox, ConsoleBox)

**Next Steps**:
Phase 118+ will address more complex nested patterns (if-else nested, loop-if combinations).

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-18 02:55:14 +09:00
nyash-codex
8440550b2f docs: Phase 116 DONE 
Phase 116 完了ドキュメント化

## 更新内容

### Phase 116 README
- 背景: LLVM fragile pattern（keep+call merge）
- 実装内容: fixture, VM smoke, LLVM EXE smoke
- 検証コマンド
- 技術的詳細: JoinIR Pattern 1, PHI接続
- Lessons Learned: Box-First原則, Fail-Fast原則

### 10-Now.md
- Phase 116 完了エントリ追加
- 入口: `docs/development/current/main/phases/phase-116/README.md`

### 01-JoinIR-Selfhost-INDEX.md
- Phase 116 を JoinIR Phase リストに追加
- 番号の重複を修正（18-27に整理）

## 成果物

✅ 片側元値保持、片側call結果のmergeパターンをVM/LLVM両方で固定
✅ output_validator.sh, llvm_exe_runner.sh 活用で統一的なテスト基盤
✅ 回帰防止: Phase 115 維持確認

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-18 02:39:44 +09:00
nyash-codex
0a29f1443e test: Phase 115 if-only call result merge parity (VM + LLVM EXE) 
Phase 115実装 - if分岐内での関数呼び出し結果をマージするパターンを固定

**実装内容**:
- Fixture: phase115_if_only_call_merge_min.hako (expected: 2, 3)
  - if/else両分岐で関数呼び出し f() の結果を変数 v に代入
  - if後にマージされた v を使用（LLVM EXE でのPHI node生成を検証）
- VM smoke: phase115_if_only_call_merge_vm.sh
  - NYASH_DISABLE_PLUGINS=1 HAKO_JOINIR_STRICT=1 で実行
- LLVM EXE smoke: phase115_if_only_call_merge_llvm_exe.sh
  - llvm_exe_runner.sh を利用した標準パリティ検証

**検証結果**:
- VM test: PASS ✅
- LLVM EXE test: PASS ✅
- Phase 114 regression: PASS ✅

**箱化モジュール化の観点**:
- 単一責任: 各smokeは1パターンのみ検証（call result merge）
- 分離: VM/LLVM EXEで独立したテスト（llvm_exe_runner.sh経由）
- Fail-Fast: HAKO_JOINIR_STRICT=1 で不正な制御フローを即座に検出

**関連**:
- Phase 103: If-Only基本パリティ（制御フロー基礎）
- Phase 113: If-Only部分代入パリティ（変数マージ）
- Phase 114: If-Only return+post パリティ（early returnとpost-if文）
- Phase 115: If-Only call result merge パリティ（関数呼び出し結果マージ） ← 今回

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-18 02:32:08 +09:00
nyash-codex
80be814fa4 test: Phase 114 if-only return+post parity (VM + LLVM EXE) 
Phase 114 validates that if-only lowering correctly handles cases with:
- Early return in the if-only branch
- Post-if statements that execute on the else path
- Different return values from each path

Fixture: apps/tests/phase114_if_only_return_then_post_min.hako
- Expected output: 7\n2
- f(1): condition true → early return 7
- f(0): condition false → x=1+1=2, return 2

Testing:
- VM backend: phase114_if_only_return_then_post_vm.sh ✅
- LLVM EXE backend: phase114_if_only_return_then_post_llvm_exe.sh ✅
- Regression: Phase 103/113 maintained ✅

Implementation: No new code required - validates existing if-only
exit line routing and post-if statement processing.

Documentation:
- docs/development/current/main/phases/phase-114/README.md
- Updated: 10-Now.md, 01-JoinIR-Selfhost-INDEX.md

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-18 02:18:57 +09:00
nyash-codex
70fe0da549 docs: Phase 113 if-only partial assign parity 
- Create phases/phase-113/README.md (background, fixed pattern, verification)
- Update 10-Now.md with Phase 113 completion
- Update 01-JoinIR-Selfhost-INDEX.md with Phase 113 entry

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-18 01:58:56 +09:00
nyash-codex
7829b23cf4 docs: note Phase 110-112 control_tree status 
- Update 10-Now.md with Phase 112 completion
- Note: StepTree capability guard (strict-only) implemented
- Note: Default behavior unchanged, only affects HAKO_JOINIR_STRICT=1

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-18 01:39:06 +09:00
nyash-codex
a27e3ce908 docs: Phase 109 DONE 
- Create phases/phase-109/README.md
- Update 10-Now.md with completion report

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2025-12-17 23:45:55 +09:00
nyash-codex
6a21382d44 docs: add Phase 107 to Now/INDEX and backlog 2025-12-17 23:15:57 +09:00
nyash-codex
712e1ad755 docs: update Phase104 status and JoinIR map 2025-12-17 21:47:37 +09:00
nyash-codex
950560a3d9 test(joinir): Phase 104 read_digits loop(true) parity 2025-12-17 18:29:27 +09:00
nyash-codex
a5cec824c2 docs: Phase 103 DONE (if-only parity smokes) 2025-12-17 17:41:10 +09:00
nyash-codex
935d475882 docs: Phase 103 plan (if-only parity baseline) 2025-12-17 17:39:12 +09:00
nyash-codex
733b4fa950 docs: Phase 102 entry (real-app regression smokes) 2025-12-17 16:57:15 +09:00
nyash-codex
61c9d7929c docs: Phase 100 P2.1 - LLVM EXE parity for mutable accumulator 
- Update phases/phase-100/README.md with LLVM EXE smoke note
- Update 10-Now.md with P2.1 short report

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

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-17 06:31:21 +09:00
nyash-codex
682fc11f7c docs: Phase 100 P1 pinned receiver integration tests complete 
- Update docs/development/current/main/phases/phase-100/README.md
  * Document P1 implementation and pinned receiver example
- Update docs/development/current/main/10-Now.md
  * Add Phase 100 P1 completion short report

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Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
 2025-12-17 05:43:54 +09:00