# Sprint 53 Polyglot AST Framework Execution Plan

## Overview

This document outlines the execution plan for implementing the polyglot AST framework in Sprint 53. We've already created detailed implementation plans for the key components. This document provides a consolidated view of the implementation tasks, dependencies, sequence, and timeline to ensure efficient execution.

## Goals for Sprint 53

1. Fix all compilation issues in the polyglot AST framework
2. Implement feature flags for language-specific components
3. Create the StubMapper implementation for testing
4. Update AstItem and NodeKind for proper alignment
5. Fix path validation issues
6. Enable basic cross-language analysis functionality

## Implementation Tasks and Dependencies

Below is a dependency graph of the implementation tasks:

```
                                 ┌─────────────────────────┐
                                 │ Fix Path Validation     │
                                 │ (High Priority)         │
                                 └───────────┬─────────────┘
                                             │
                                             ▼
┌─────────────────────────┐      ┌─────────────────────────┐
│ Add Feature Flags       │      │ Fix AstItem/NodeKind    │
│ (High Priority)         │◄─────┤ Alignment               │
└───────────┬─────────────┘      │ (High Priority)         │
            │                     └───────────┬─────────────┘
            │                                 │
            ▼                                 ▼
┌─────────────────────────┐      ┌─────────────────────────┐
│ Implement StubMapper    │      │ Update Language Mappers │
│ (Medium Priority)       │◄─────┤ (Medium Priority)       │
└───────────┬─────────────┘      └───────────┬─────────────┘
            │                                 │
            └────────────────┬────────────────┘
                             │
                             ▼
                  ┌─────────────────────────┐
                  │ Create Integration Tests│
                  │ (Medium Priority)       │
                  └─────────────────────────┘
```

## Task Details and Timeline

### Week 1: Fix Core Issues (Days 1-3)

#### Day 1: Path Validation Fix (High Priority) ✅ COMPLETED
- ✅ Create utils module for polyglot path validation
- ✅ Implement validate_directory_path and validate_file_path functions
- ✅ Add is_valid_language_file helper function
- ✅ Fix immediate compilation errors in polyglot_tools.rs
- ✅ Create integration tests for path validation
- ✅ Document implementation in SPRINT-53-PATH-VALIDATION-FIX-SUMMARY.md
- **Deliverable**: Working path validation that resolves compilation errors ✅

#### Day 2: AstItem/NodeKind Alignment (High Priority)
- Update NodeKind enum with missing variants
- Implement from_ast_item_kind function
- Update UnifiedNode::from_ast_item method
- Add comprehensive conversion tests
- **Deliverable**: Properly aligned AstItem and NodeKind enums with tests

#### Day 3: Feature Flag Implementation (High Priority)
- Add language-specific features to Cargo.toml
- Implement meta-feature polyglot-ast
- Update language mapper factory with conditional compilation
- Document feature flag requirements in README
- **Deliverable**: Working feature flag architecture for language-specific components

### Week 2: Implementation and Integration (Days 4-7)

#### Day 4: StubMapper Implementation (Medium Priority)
- Create StubMapper implementation
- Add clone_box method to LanguageMapper trait
- Add create_test_node method to LanguageMapper trait
- Create integration tests for StubMapper
- **Deliverable**: Working StubMapper for fallback functionality

#### Day 5-6: Language Mapper Updates (Medium Priority)
- Update Java language mapper to use new utilities and patterns
- Update Kotlin language mapper to use new utilities and patterns
- Update Scala language mapper to use new utilities and patterns
- Add proper error handling for language-specific mappers
- **Deliverable**: Updated language mappers with consistent patterns

#### Day 7: Integration Testing (Medium Priority)
- Create comprehensive integration tests for cross-language analysis
- Ensure tests work with feature flags enabled and disabled
- Verify language boundary detection
- Document cross-language analysis capabilities
- **Deliverable**: Working integration tests for all functionality

### Week 3: Refinement and Documentation (Days 8-10)

#### Day 8: JavaScript/TypeScript Support (Optional)
- Create JavaScript language mapper
- Create TypeScript language mapper
- Add integration tests for JS/TS support
- **Deliverable**: Extended language support (optional)

#### Day 9: Example Workflows (Medium Priority)
- Create example workflows for cross-language projects
- Document common usage patterns
- Add to MCP tools documentation
- **Deliverable**: Example workflows and documentation

#### Day 10: Final Testing and Documentation
- Final review of all implementations
- Create release notes for the polyglot AST framework
- Document known limitations and future enhancements
- **Deliverable**: Complete documentation and ready-to-release code

## Execution Strategy

### Parallel Development Approach

To maximize productivity, we'll use a parallel development approach where compatible tasks can be worked on simultaneously:

1. **Track 1: Path Validation + StubMapper**
   - One developer focuses on path validation fixes
   - Then moves to StubMapper implementation

2. **Track 2: AstItem/NodeKind + Feature Flags**
   - Another developer focuses on AstItem/NodeKind alignment
   - Then implements feature flag architecture

3. **Track 3: Language Mappers + Integration**
   - A third developer updates language mappers
   - Then works on integration tests and examples

### Daily Coordination

- Daily standup to track progress and identify blockers
- Code review after each major component is completed
- Integration testing after related components are finished

## Success Criteria

The sprint will be considered successful when:

1. **Compilation**: All polyglot AST code compiles without errors
2. **Tests**: All tests pass with the feature flags enabled
3. **Feature Flags**: The code works correctly with selective feature flags
4. **Documentation**: The polyglot AST framework is fully documented
5. **Examples**: Example workflows are provided for common use cases

## Risk Management

### Potential Risks and Mitigations

1. **Risk**: Unexpected complexity in path validation
   **Mitigation**: Start with path validation fixes first to uncover any issues early

2. **Risk**: AstItem and NodeKind alignment more complex than expected
   **Mitigation**: Create a fallback strategy that uses kind strings instead of enum variants

3. **Risk**: Feature flag architecture causes unexpected build issues
   **Mitigation**: Implement an incremental approach, testing each language feature separately

4. **Risk**: Integration between components fails
   **Mitigation**: Create clear interfaces between components and comprehensive integration tests

## Conclusion

This execution plan provides a structured approach to implementing the polyglot AST framework in Sprint 53. By addressing the core compilation issues first and then building the more advanced functionality, we can ensure steady progress while managing risks effectively.

The implementation is designed to be modular, allowing for incremental development and testing. Each component has clear dependencies, deliverables, and success criteria, making it easier to track progress and identify issues early.

Following this plan will result in a fully functional polyglot AST framework that enables cross-language analysis capabilities in the PMAT toolkit.