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0.1.0
Cross-language code meta-model library using unified MetaAST representation. Parse, transform, and translate code across Python, Elixir, Ruby, Erlang, Haskell, and more via a shared three-tuple AST format.
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metastatic
CHANGELOG.md
CHANGELOG.md
# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [Unreleased]
### Added
- M2.1 Core Layer enhancements:
- `list` type for list/array literals (moved from literal collection to first-class core type)
- `map` type for map/dictionary/object literals (moved from literal collection to first-class core type)
- Updated all language adapters (Python, Elixir) to use new list/map types
- Updated all analysis modules to traverse list elements and map key-value pairs
- Updated validator to classify list/map as core layer
- Updated CLI tools (inspector, formatter) to handle list/map display
- Added 12 new tests for list/map functionality (1,356 total tests passing: 131 doctests + 1,225 tests)
- M2.2s Structural/Organizational Layer - New meta-model layer for cross-language structural constructs
- `container` type for modules/classes/namespaces with visibility-aware member tracking
- `function_def` type for function/method definitions with guards, visibility, and pattern parameters
- `attribute_access` type for field/property access on objects
- `augmented_assignment` type for compound assignment operators (+=, -=, etc.)
- `property` type for property declarations with getters/setters
- Full support for M2.2s types across all analysis modules:
- Duplication fingerprinting (Type I/II clone detection)
- Cyclomatic complexity analysis
- Cognitive complexity analysis
- Nesting depth tracking
- Halstead metrics (operators/operands)
- Function metrics (statements, returns)
- Lines of code (LoC) counting
- Comprehensive test coverage: 143 new tests for structural types (1,149 total tests passing)
- Helper functions: `container_name/1`, `function_name/1`, `function_visibility/1`, `has_state?/1`
### Documentation
- Added `STRUCTURAL_LAYER_RESEARCH.md` - Theory and cross-language analysis of structural constructs
- Added `STRUCTURAL_LAYER_DESIGN.md` - Implementation design decisions and rationale
- Updated `README.md` with M2.2s layer description
- Enhanced `@typedoc` for all structural types with M1 instances and examples
## [0.1.0] - 2026-01-21
MVP
## Notes
This project follows a rigorous theoretical foundation based on:
- OMG Meta Object Facility (MOF) Specification
- Eclipse Modeling Framework (EMF)
- Formal meta-modeling theory
See `THEORETICAL_FOUNDATIONS.md` for the complete formal treatment with proofs.