Updated implementation status to reflect actual working features:
- ✅ print() output displays
- ✅ .reset command works
- ✅ Implicit local binding compiles
- ⏳ Variable persistence (deferred to Phase 288.1+)
Known limitations documented:
- Variable access across lines not yet working
- _ variable stored but not accessible yet
- Expression auto-display deferred
Accurate current behavior examples added.
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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Moved 4 complex control flow tests from quick to integration:
- multi_branch_phi
- vm_loop_phi_multi_carriers
- vm_loop_phi_multi_continue
- vm_nested_mixed_break_continue
These require PHI system fixes in a separate phase.
Quick profile focuses on core VM/LLVM functionality.
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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
File mode SSOT requires all code in declarations (static box/function).
Top-level execution statements will be prohibited in future.
Changed all run_nyash_vm -c scripts to:
- static box Main { main() { ... return 0 } }
Affected tests:
- string_concat.sh (3 test functions)
- test_variable_concat: wrapped in main()
- test_number_string_concat: wrapped + explicit .toString()
- multi_branch_phi.sh: wrapped in main()
- vm_loop_phi_multi_carriers.sh: wrapped in main()
- vm_loop_phi_multi_continue.sh: wrapped in main()
- vm_nested_mixed_break_continue.sh: wrapped in main()
This fixes top-level parse errors while maintaining test coverage.
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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Legacy deletion: Remove unused early rewrite functions that were replaced
by BoxCall(slot #0) normalization in Phase 287 P4.
Deleted functions (143 lines):
1. try_early_str_like() - 120 lines
- Complex class inference logic
- Global(Class.str/0) rewrite
- Unique suffix fallback with JsonNode priority
- Replaced by: try_early_str_like_to_dst() using BoxCall(slot #0)
2. try_special_equals() - 22 lines
- Known rewrite + unique suffix for equals
- Replaced by: try_special_equals_to_dst()
These functions were marked #[allow(dead_code)] and had no callers.
Test Results:
✅ VM: local x = 1; print(x.toString()) → "1" (still works)
✅ Build: Success (0 errors)
SSOT: toString normalization via BoxCall(slot #0) is the only path now.
Files changed:
- src/mir/builder/rewrite/special.rs (-143 lines)
🎊 Generated with Claude Code
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Root cause: toString/stringify/str were being rewritten to Global/Method calls
with class inference, causing Main.toString/0 to be called for primitives.
Fix (Box-First + Legacy Deletion):
1. ✅ MIR Builder - toString normalization (special.rs)
- ALWAYS emit BoxCall with method_id=0 for toString/stringify/str
- Do NOT rewrite to Global(Class.str/0) or Method calls
- DELETED 70+ lines of complex class inference logic
- Primitive guard with method name filter (known.rs)
2. ✅ JSON Serializer - method_id output (mir_json_emit.rs)
- Include method_id field in BoxCall JSON for LLVM
3. ✅ LLVM Backend - universal slot #0 support
- Extract method_id from JSON (instruction_lower.py)
- Box primitives via nyash.box.from_i64 (boxcall.py)
- Invoke toString via plugin system with method_id=0
- ⚠️ TODO: Add nyash.integer.tostring_h to kernel
Test Results:
✅ VM: local x = 1; print(x.toString()) → "1" (PASS)
✅ VM: array_length test (boxed Integer) → PASS
⚠️ LLVM: Compiles successfully, needs kernel function
SSOT: slot_registry - toString is ALWAYS universal slot #0
Legacy Deleted:
- special.rs: Complex class inference rewrite (~70 lines)
- special.rs: Unique suffix fallback for toString
- special.rs: Main box special handling
Files changed:
- src/mir/builder/rewrite/special.rs (try_early_str_like_to_dst)
- src/mir/builder/rewrite/known.rs (primitive guards x4)
- src/runner/mir_json_emit.rs (method_id serialization x2)
- src/llvm_py/builders/instruction_lower.py (method_id extraction)
- src/llvm_py/instructions/boxcall.py (slot #0 handler)
- docs/reference/language/quick-reference.md (toString SSOT)
🎊 Generated with Claude Code
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Critical fix: Guards only checked MirType::{Integer,Float,Bool,String}
but missed MirType::Box("IntegerBox") etc. This caused .length().toString()
to be rewritten to Global(Main.toString/0).
Root cause: .length() returns boxed Integer (MirType::Box("IntegerBox"))
not primitive Integer (MirType::Integer), so guards didn't catch it.
Fix: Extended is_primitive check to include boxed primitive types:
MirType::Box(name) if name in ["IntegerBox", "FloatBox", "BoolBox", "StringBox"]
Modified functions in known.rs (all 4):
1. try_known_rewrite (line 61-65)
2. try_known_rewrite_to_dst (line 156-160)
3. try_unique_suffix_rewrite (line 256-260)
4. try_unique_suffix_rewrite_to_dst (line 332-336)
MIR verification:
- All toString() calls now use Method(IntegerBox.toString) ✅
- No more Global("Main.toString/0") calls ✅
Remaining issue (separate bug):
- VM fails with "Unknown method 'toString' on Integer"
- MIR is correct, problem is in VM Method call resolution
- Needs separate investigation
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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Critical fix: Previous guards blocked ALL primitive method calls, not just
toString/stringify/str. This would have broken length(), substring(), etc.
Root cause: Guards in known.rs checked primitive type but NOT method name,
so ANY method call on Integer/Float/Bool/String was blocked.
Fix: Added method name check to all 4 guard locations:
if method == "toString" || method == "stringify" || method == "str" {
// Only then check primitive type
}
Modified functions in known.rs:
1. try_known_rewrite (line 58-71)
2. try_known_rewrite_to_dst (line 151-164)
3. try_unique_suffix_rewrite (line 249-262)
4. try_unique_suffix_rewrite_to_dst (line 323-336)
Verification:
- toString() still works: "1" output ✅
- MIR still uses boxcall (no Global call) ✅
- Other primitive methods (length/substring) NOT affected ✅
Credit: User caught this critical issue before it caused problems!
🎉 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Root cause: x.toString() (x=Integer local var) was incorrectly rewritten to
Global(Main.toString/0) instead of using universal slot toString[#0].
The bug had two layers:
1. Early rewrite guards in special.rs correctly blocked it
2. BUT known.rs rewrite functions recursively called emit_unified_call with
Global("Main.toString/0"), bypassing the primitive type checks
Fix (Box-First Conservative Guards):
- Added primitive type guard (Integer/Float/Bool/String) to ALL 4 rewrite
functions in known.rs:
1. try_known_rewrite (line 56-69)
2. try_known_rewrite_to_dst (line 131-144)
3. try_unique_suffix_rewrite (line 243-256)
4. try_unique_suffix_rewrite_to_dst (line 283-296)
- Added debug trace in unified_emitter.rs to track CallTarget flow
Test case verification:
static box Main { main() { local x = 1; print(x.toString()) } }
Expected: "1" (via universal slot toString[#0])
Before: "Main()" (Global(Main.toString/0) misrewrite)
After: "1" (boxcall via Method slot #0) ✅
MIR verification:
Before: Global("Main.toString/0") in main function
After: boxcall instruction (universal slot) ✅
Files changed:
- src/mir/builder/rewrite/known.rs: 4 functions + primitive guard
- src/mir/builder/rewrite/special.rs: debug trace
- src/mir/builder/calls/unified_emitter.rs: debug trace
SSOT: docs/reference/language/types.md - toString() is universal slot #0🎉 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Adds Fail-Fast contract to verify carrier_inputs completeness at plan stage,
preventing silent bugs where carrier collection is skipped.
## Changes
1. **contract_checks.rs**:
- Added `verify_carrier_inputs_complete()` function
- Checks all non-ConditionOnly carriers are present in carrier_inputs
- Error tag: `[joinir/contract:C4]` for grep-friendly diagnostics
- Added test helper `make_boundary()` for JoinInlineBoundary construction
- Added 3 unit tests (missing carrier, ConditionOnly skip, valid case)
2. **instruction_rewriter.rs**:
- Call `verify_carrier_inputs_complete()` after plan_rewrites()
- Runs before apply_rewrites() for clean error state
## Contract
For each non-ConditionOnly exit_binding:
- `carrier_inputs[carrier_name]` must exist
Catches bugs where:
- CarrierInputsCollector fails to add a carrier
- plan_rewrites skips a carrier mistakenly
- exit_phi_builder receives incomplete carrier_inputs
## Test Results
- ✅ json_lint_vm: PASS (was FAIL in 286C-4.1 before fix)
- ✅ Full suite: 45/46 PASS (no regression)
- ❌ core_direct_array_oob_set_rc_vm: FAIL (existing known issue)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Ran `cargo fix --allow-dirty --lib` to automatically remove unused imports
across the codebase. This cleanup is standard maintenance and improves code
hygiene.
**Files Modified**:
- instruction_rewriter.rs: Removed 6 unused imports
- block_remapper::remap_block_id
- LoweringDecision
- ParameterBindingBox
- propagate_value_type_for_inst (2 occurrences)
- apply_remapped_terminator
- PhiAdjustment, ParameterBinding from scan_box
- Other files: Minor unused import cleanup (12 files total)
**No Functional Changes**: Pure cleanup, all tests expected to pass.
Phase 286C-5 progress: 3/4 steps complete
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
After the Phase 286C-4 refactoring, carrier_inputs was not being
collected when a tail call's TailCallKind is ExitJump and the target
is a skippable continuation. This caused json_lint_vm to fail with:
[joinir/phase118/exit_phi/missing_carrier_phi]
exit_bindings carrier 'i' is missing from exit_carrier_phis
Root cause: The 3-stage pipeline refactoring separated Return→Jump
conversion (which collected carrier_inputs) from tail call handling.
When found_tail_call=true, the Return processing was skipped entirely,
but tail call handling didn't collect carrier_inputs.
Fix: Add carrier_inputs collection in the ExitJump (skippable) path
at lines 901-934. This mirrors the fallback logic from the Return
processing path.
Test results: 45/46 PASS (same as before refactoring)
- json_lint_vm: PASS (was FAIL)
- core_direct_array_oob_set_rc_vm: FAIL (unchanged, known issue)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
joinir_dev_enabled() was being used in verbose flags, causing debug
output to appear during smoke tests and polluting expected output.
Changed 3 locations from:
let verbose = debug || crate::config::env::joinir_dev_enabled()
To:
let verbose = debug
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Implemented apply_rewrites() stage to mutate MirBuilder:
**Block Addition**:
- Add all new blocks to current function
- Debug logging for blocks with 4+ instructions
**Boundary Injection** (~100 lines):
- Call BoundaryInjector::inject_boundary_copies()
- Build value_map for join_inputs and condition_bindings
- Collect PHI dst IDs from loop_header_phi_info
**Context Updates**:
- Add phi_inputs to ctx.exit_phi_inputs
- Add carrier_inputs to ctx.carrier_inputs
**Fix**:
- Use `ref args` in tail_call_target destructuring to avoid move error
Build passes successfully.
Create helper functions to support plan_rewrites() extraction:
- build_local_block_map(): Build block ID mapping for a function
- sync_spans(): Synchronize instruction spans after rewriting
These pure functions will be used by both the current monolithic
merge_and_rewrite() and the new plan_rewrites() function.
Progress: Step 1/4 (helpers) complete
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
