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LumaScript Knowledge Base

Core Principles

MOTO (Make One Thing Outstanding)

  • Focus: Pure Python + WASM communication
  • Excellence: Best-in-class WASM caching and execution
  • Simplicity: One clear purpose, executed perfectly
  • Mastery: Deep understanding of WASM binary format

ZERO (Zero External Dependencies, Zero Complexity)

  • Dependencies: Only Python standard library + WASM
  • Complexity: Minimal code paths, clear flow
  • Learning Curve: Easy to understand, hard to misuse
  • Maintenance: Self-contained, easily debuggable

Technical Knowledge Base

1. WASM Core Concepts

Binary Format

Magic Number: 0x6d736100
Version: 0x01000000
Sections:
- Type (1)
- Function (3)
- Memory (5)
- Export (7)
- Code (10)

Basic Types

i32: 32-bit integer
i64: 64-bit integer
f32: 32-bit float
f64: 64-bit float

2. Caching System

Cache Key Generation

def _get_cache_key(source_path: Path) -> str:
    """Generate cache key based on file content and modification time"""
    content = read_file(source_path)
    mtime = get_mtime(source_path)
    return sha256(f"{content}{mtime}")

Cache Structure

.wasm_cache/
├── metadata.pkl      # Cache metadata
└── [hash].wasm      # Cached WASM modules

3. Core Operations

Compilation Pipeline

Source Code → WASM Binary → Cache → Execute

Function Mapping

# Python/C Function
def add(a: int, b: int) -> int:
    return a + b

# WASM Equivalent
(func $add 
  (param $a i32) 
  (param $b i32) 
  (result i32)
  local.get $a
  local.get $b
  i32.add)

4. Best Practices

Code Organization

src/
├── wasm/           # WASM core functionality
│   ├── cache.py    # Caching system
│   └── decoder.py  # WASM binary handling
├── utils/          # Utilities
└── main.py         # Entry point

Performance Optimization

  1. Cache frequently used modules
  2. Minimize binary size
  3. Use native WASM types
  4. Batch operations when possible

Error Handling

try:
    instance = cache.get_instance(source_file)
    if not instance:
        raise RuntimeError("Failed to get WASM instance")
except Exception as e:
    log_error(f"WASM error: {e}")

5. Testing Strategy

Unit Tests

  • Test cache operations
  • Verify WASM compilation
  • Check error handling

Integration Tests

  • End-to-end compilation
  • Cache persistence
  • Memory management

6. Development Workflow

  1. Write minimal code
  2. Ensure zero dependencies
  3. Test thoroughly
  4. Cache effectively
  5. Document clearly

7. Future Considerations

Planned Features

  • SIMD support
  • Multi-threading
  • Memory optimization
  • Performance profiling

Non-Goals

  • Complex language features
  • External dependencies
  • Unnecessary abstractions

Conclusion

This knowledge base represents our commitment to:

  1. Making WASM communication outstanding
  2. Maintaining zero external dependencies
  3. Keeping complexity at a minimum
  4. Focusing on performance and reliability

Remember: "Make it work, make it right, make it fast, make it simple."

Glory to God!