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-# Baba Yaga C Implementation - Focused Roadmap
-
-## Current Status
-- ✅ **Core Language**: Complete and stable (24/27 tests passing)
-- ✅ **Table Pattern Matching**: Fixed and working
-- ✅ **When Expressions**: Fixed and working
-- ✅ **Computed Table Keys**: Fixed and working (Task 1.1 complete)
-- ❌ **3 Remaining Issues**: Pattern expressions, table namespace, memory fixes needed
-
-## Implementation Plan
-
-### **Phase 1: Parser Extensions (High Impact)**
-
-#### **Task 1.1: Computed Table Keys** (Test 15) ✅ **COMPLETE**
-**Issue**: `{(1 + 1): "two"}` not supported
-**Solution**: Extended table key parsing with expression support
-**Implementation**: Added `TOKEN_LPAREN` detection and expression parsing logic
-**Result**: Test 15 now passes, 24/27 tests passing
-
-#### **Task 1.2: Multi-value Pattern Expressions** (Test 22) 🔄 **IN PROGRESS**
-**Issue**: `when (x % 2) (y % 2) is` not supported
-**Current**: Parse error - expression parsing consumes too many tokens
-**Next**: Implement bounded expression parsing or sequence pattern matching
-
-#### **Task 1.2: Multi-value Pattern Expressions** (Test 22)  
-**Issue**: `when (x % 2) (y % 2) is` not supported
-**Current**: Only literal patterns in multi-value
-**Fix**: Extend pattern parsing in `parser_parse_when_pattern`
-
-**Implementation Steps**:
-1. Modify pattern detection logic (lines ~2640-2670 in parser.c)
-2. Add support for `TOKEN_LPAREN` as valid pattern start
-3. Parse expression patterns using `parser_parse_expression`
-4. Test with `when (x % 2) (y % 2) is`
-
-### **Phase 2: Runtime Fixes (Medium Impact)**
-
-#### **Task 2.1: Table Namespace Debugging** (Test 17)
-**Issue**: `Error: Execution failed` in table operations
-**Current**: `t.*` functions implemented but failing
-**Fix**: Debug existing implementation
-
-**Implementation Steps**:
-1. Add debug output to `stdlib_t_map`, `stdlib_t_filter`, etc.
-2. Run test 17 with `DEBUG=4` to identify specific failure
-3. Fix parameter validation or table iteration logic
-4. Test with table enhancement operations
-
-#### **Task 2.2: Pattern Matching Memory** (Integration Test 02)
-**Issue**: Segmentation fault in complex patterns
-**Current**: Memory corruption in pattern matching
-**Fix**: Add memory debugging and fix recursion
-
-**Implementation Steps**:
-1. Add memory debugging to `interpreter_evaluate_when_expression`
-2. Check for infinite recursion in pattern matching
-3. Fix memory allocation/deallocation in pattern evaluation
-4. Test with complex pattern matching scenarios
-
-### **Phase 3: Validation**
-- Re-run comprehensive test suite
-- Target: 27/27 tests passing
-- Verify no regressions
-
-## Technical Notes
-
-### **Parser Architecture**
-- Table parsing: `parser_parse_primary` → `TOKEN_LBRACE` case
-- Pattern parsing: `parser_parse_when_pattern` → multi-parameter detection
-- Both need expression support in parentheses
-
-### **Standard Library**
-- `t.*` functions: Already implemented in `stdlib.c` (lines ~804-950)
-- Functions: `t.map`, `t.filter`, `t.reduce`, `t.set`, `t.delete`, `t.merge`, `t.length`, `t.has`
-- Issue: Likely parameter validation or table iteration
-
-### **Memory Management**
-- Pattern matching: Uses recursion for nested patterns
-- Potential: Stack overflow or memory corruption
-- Solution: Add bounds checking and memory debugging
-
-## Next Action
-**Proceed with Task 1.2** (Multi-value Pattern Expressions) - next high-impact parser extension.
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