nyash-codex
3af98964ed
feat(joinir): Phase P2-P4 Loop Pattern boxification
- P2: Create loop_patterns/ module structure
- common.rs: shared helpers (ParsedProgram, LoopContext, etc.)
- simple.rs: generic loop lowering
- filter.rs, print_tokens.rs: delegate to simple
- break_pattern.rs, continue_pattern.rs: new modules
- P3: Create LoopFrontendBinding layer
- Separate function name detection from pattern lowering
- detect_loop_pattern() for pattern classification
- P4: Break/Continue pattern migration
- Move Break/Continue handling from loop_patterns_old.rs
- Add LoopPattern::Break and LoopPattern::Continue variants
- Design: 3-layer architecture
- LoopFrontendBinding: function name → LoopPattern
- loop_patterns: LoopPattern → JoinIR
- Bridge/VM: Box semantics
All 56 JoinIR tests pass.
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Co-Authored-By: Claude <noreply@anthropic.com>