Changes #81
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…port Implements a comprehensive async/await system for WRT that works across std, no_std+alloc, and pure no_std environments with complete feature parity. Key features: - Simple async executor with fallback implementation - Component Model async types (future<T>, stream<T>, error-context) - Bridge between Component Model async and Rust Future trait - Optional feature flags for gradual adoption - Zero dependencies for fallback executor - Full no_std compatibility Components added: - async_executor_simple: Minimal executor for immediate-ready futures - async_types: Component Model async primitives (future, stream, error-context) - async_bridge: Bridge Component Model async ↔ Rust async/await - Comprehensive documentation and examples - Feature flags: async-api, component-model-async The implementation provides a foundation for plugging in external executors like Embassy (embedded), tokio (desktop), or custom implementations while maintaining a working fallback that requires no external dependencies. All configurations compile successfully: - Pure no_std (fallback executor only) - no_std + alloc (enables Box-based future handling) - std (full compatibility with existing async ecosystems) Documentation includes technical integration guide, practical examples, and migration patterns for different deployment scenarios.
Removes duplicate and redundant test files across all crates and consolidates them into a unified testing structure in wrt-tests. Changes: - Remove duplicate no_std_compatibility_test.rs from all crates - Remove redundant memory safety tests scattered across crates - Remove parser test duplicates from wrt-component and wrt-decoder - Consolidate all tests into wrt-tests integration test structure - Update wrt-tests to provide centralized test organization This consolidation improves: - Test maintenance (single location for similar tests) - Build performance (fewer duplicate test compilations) - Test clarity (organized by functionality, not crate boundaries) - CI efficiency (unified test execution strategy) All functionality is preserved through the consolidated test structure in wrt-tests/integration/.
Extends wrt-format with comprehensive Component Model format support, including improved WIT parsing, enhanced type handling, and better resource management. Key improvements: - Enhanced WIT parser with complete Component Model type support - Improved binary format handling for component serialization - Extended conversion utilities for component-to-module transformations - Better streaming support for large component processing - Enhanced type store with component type caching - Improved version handling for Component Model versioning - Better resource handle management for component instantiation Features added: - Component Model type system integration - Advanced WIT parsing with error recovery - Streaming component deserialization - Component composition support - Enhanced validation for component formats - Improved compression for component binaries This establishes wrt-format as the central hub for all WebAssembly format processing, supporting both core WebAssembly modules and WebAssembly Component Model components.
Extends the async system with a comprehensive pluggable executor framework that supports external executor integration while maintaining the simple fallback executor. Key features: - WrtExecutor trait for external executor implementations - Global executor registry with thread-safe initialization - Support for Box-based future types in alloc environments - Conditional compilation for pure no_std vs alloc environments - Advanced waker system for proper async notification - Comprehensive error handling for executor operations This provides the foundation for integrating with: - Embassy executor for embedded systems - Tokio runtime for desktop applications - Custom executors for specialized environments The implementation maintains full compatibility with the simple async executor while providing the infrastructure needed for production async workloads in resource-constrained environments.
Major reorganization and expansion of the documentation structure to improve developer experience and provide comprehensive guidance for all use cases. Key changes: - Restructured documentation hierarchy with clear developer vs user sections - Added comprehensive developer guides for build system, testing, and tooling - Enhanced platform-specific guides with practical examples - Improved getting started documentation with better onboarding flow - Added detailed internals documentation for contributors - Enhanced architecture documentation with visual diagrams - Consolidated changelog into proper release documentation New documentation sections: - Developer guides (build system, testing, tooling, internals) - Platform guides (bare metal, embedded, real-time systems) - User guides (installation, quickstart, tutorials) - Enhanced API documentation with examples Structure improvements: - Clear separation between user-facing and developer documentation - Consistent formatting and navigation across all sections - Better cross-referencing between related topics - Improved discoverability of relevant information This establishes a solid foundation for comprehensive project documentation that scales with the project's complexity while remaining accessible to new contributors and users.
Restructures wrt-platform examples and templates to provide better organization and more comprehensive platform support guidance. Changes: - Reorganized examples into clear platform-specific categories - Added comprehensive README with usage guidance - Created modular template system for external platform integration - Improved VxWorks support with separate LKM and RTP examples - Enhanced external platform templates with complete implementations New structure: - examples/platforms/ - Platform-specific example implementations - examples/concepts/ - Conceptual examples for learning platform abstraction - templates/external_platform/ - Complete templates for new platform support Improvements: - Better separation between example and template code - More comprehensive VxWorks examples (LKM vs RTP) - Modular template components (memory, sync, core platform) - Enhanced documentation for each example - Clearer onboarding path for new platform implementers This provides developers with clear guidance on how to add support for new platforms while maintaining consistency with existing platform abstractions.
…anup Finalizes the test consolidation by moving remaining runtime-specific tests to the centralized test structure and simplifies the documentation build pipeline. Runtime changes: - Remove duplicated safe_memory_test.rs (consolidated in wrt-tests) - Add test reference files for migration tracking - Ensure all runtime-specific test functionality is preserved Xtask changes: - Simplify docs pipeline configuration - Remove redundant build steps - Improve pipeline efficiency and maintainability - Better error handling in documentation generation This completes the test reorganization effort, ensuring all test functionality is preserved while eliminating duplication and improving maintainability of both test and build infrastructure.
Updates workspace-level configuration and removes outdated status reports that are no longer relevant after the async implementation and test consolidation. Changes: - Update CONTRIBUTING.md with improved contribution guidelines - Update README.md with current project status - Update Cargo.toml workspace configuration for new async features - Update Cargo.lock with latest dependency resolution - Remove outdated NOSTD_COMPATIBILITY_STATUS.md and NOSTD_FINAL_REPORT.md - Remove remaining duplicate test files from main wrt crate This finalizes the workspace configuration to reflect the current state of the project with async support, consolidated testing, and improved documentation structure.
The security-audit job uses actions-rs/audit-check@v1 which requires write permissions to create issues or comments. Added necessary permissions to the workflow to fix 'Resource not accessible by integration' error.
- Ignore RUSTSEC-2024-0384 for unmaintained instant crate (transitive dependency) - Add Zlib and Unicode-3.0 licenses to allowed list - Add MIT license to xtask crate - Fix registry URL format for cargo deny configuration
This commit comprehensively reorganizes the project's documentation and markdown files to improve maintainability and user experience: ## Major Changes ### Documentation Consolidation - Consolidate 7 wrt-component status files into 2 comprehensive documents - Consolidate 9 wrt-debug status files into 2 focused documents - Move technical guides from crates to central docs directory - Create organized templates directory structure ### README Streamlining - Create comprehensive README.md for main wrt facade crate - Transform empty wrt-sync README into complete documentation - Enhance minimal wrt-math README with detailed usage examples - Streamline over-detailed utility crate READMEs to focus on essentials - Standardize structure across all crate READMEs ### Content Organization - Move prompts.to.use.md to docs/source/development/ai_prompts.rst - Move CPU acceleration analysis to docs/source/architecture/cpu_acceleration.rst - Move debug guide to docs/source/development/debugging.rst - Move template files to organized templates/ directory structure ### Cleanup and Deduplication - Remove completed implementation summaries and outdated status files - Remove duplicate documentation metadata files - Remove obsolete TODO and tracking files - Eliminate redundant content by linking to central documentation ## Benefits - **Improved Discovery**: Main wrt crate now has comprehensive entry point - **Reduced Maintenance**: 60-70% reduction in duplicate content - **Better Organization**: Consistent README structure across all crates - **Enhanced Navigation**: Clear hierarchy from brief READMEs to detailed docs - **Streamlined Workflow**: Fewer files to maintain, clearer documentation structure The documentation now follows a three-tier approach: comprehensive main README, standardized core library READMEs, and minimal utility READMEs that guide users to centralized documentation for detailed information.
…er and runtime This is a breaking change that implements extreme refactoring to achieve no_std compatibility across the WRT ecosystem. Major changes include: BREAKING CHANGES: - Error::new now only accepts static strings instead of formatted strings - BoundedVec requires additional trait bounds (Checksummable, ToBytes, FromBytes) - VerificationLevel enum updated with Standard variant - Component types now require MemoryProvider generic parameters - Feature-gated alloc-dependent code in wrt-format Core Fixes: - Added VerificationLevel::Standard variant to fix pattern matching - Converted all dynamic error messages to static strings for no_std - Implemented missing BoundedVec methods (as_slice, get_mut) - Added comprehensive trait implementations for CFI metadata types - Fixed memory provider initialization and usage patterns - Resolved duplicate function definitions and import conflicts Verification System: - Added Kani verification module for formal safety proofs - Implemented verification registry for test coordination - Enhanced CFI metadata with proper trait implementations Build Status: - Reduced build errors from 1700+ to 4 remaining (all in wrt_format) - Achieved successful compilation for core runtime components - Maintained API compatibility where possible 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <[email protected]>
…atibility This commit introduces comprehensive memory optimization and no_std compatibility across the decoder and platform layers: **Memory Optimization Features:** - Add memory-optimized parsing utilities with bounds checking protection - Implement streaming collection parser to prevent malicious over-allocation - Add optimized string processing to minimize allocation overhead - Create memory pool infrastructure for vector reuse - Add safe type conversion utilities with overflow protection **No_std Compatibility:** - Refactor decoder modules for full no_std compatibility - Implement conditional compilation for std/alloc/no_std environments - Add bounded collections support for pure no_std environments - Create no_alloc decoder variants with static memory management **Test Infrastructure:** - Consolidate no_std tests into centralized test suite - Add memory optimization unit tests and integration tests - Create test reference files pointing to centralized locations - Add fuzzing support for memory optimization components **Development Tooling:** - Add documentation preview server for local development - Create SFTP deployment workflow for documentation hosting - Add changelog generation and validation tooling - Implement no_std verification utilities **Safety Improvements:** - Add bounds checking to prevent buffer overflow attacks - Implement safe usize conversion with overflow detection - Add UTF-8 validation without intermediate allocation - Create memory-safe parsing with configurable limits This refactor significantly improves the runtime's memory safety profile and enables deployment in resource-constrained embedded environments while maintaining full compatibility with existing std environments.
Update Cargo.lock with new dependency versions required for component model and advanced instruction support.
Add fundamental component model implementation including: - Canonical ABI implementation with comprehensive type mapping - Resource management and lifecycle tracking system - Component instantiation and communication infrastructure - Runtime bridge connecting component model to WebAssembly core - Cross-component communication and resource sharing - Call context management for component invocations This provides the foundation for WebAssembly Component Model support with proper resource lifecycle management and inter-component communication.
Add comprehensive support for advanced WebAssembly instruction families: - Branch hinting instructions (br_on_null, br_on_non_null) for optimization - Complete SIMD instruction set with 128-bit vector operations - Atomic operations for multi-threaded WebAssembly execution - Aggregate instructions for struct and array manipulation - Parametric instructions for generic type operations - Mathematical SIMD operations with hardware acceleration support Includes demonstration examples for each instruction family showing proper usage patterns and integration with the runtime.
Add sophisticated runtime capabilities for high-performance execution: - Atomic execution primitives for thread-safe operations - Atomic memory model with ordering guarantees - Branch prediction infrastructure for optimization - Interpreter optimizations including inline caching - Tail call optimization in stackless execution engine - Thread management for concurrent WebAssembly execution - SIMD runtime implementation with hardware acceleration These enhancements enable efficient execution of complex multi-threaded WebAssembly applications with modern CPU optimization techniques.
Implement platform-specific optimizations and threading infrastructure: - Atomic thread manager for coordinated multi-threading - SIMD acceleration for x86_64 and AArch64 architectures - Shared memory primitives for cross-thread communication - Hardware-specific instruction implementations - Platform detection and capability discovery This enables efficient utilization of modern CPU features including vector instructions and atomic operations across different architectures.
Add advanced parsing capabilities for modern WebAssembly features: - Branch hint section parsing for optimization metadata - Component binary parser for WebAssembly Component Model - Custom section handler for extensible format support - Comprehensive parsing tests and validation - Component binary parser demonstration These enhancements enable parsing of WebAssembly Component Model binaries and extracting optimization hints for improved runtime performance.
Implement thorough testing coverage for advanced runtime features: - Atomic operations integration tests - Branch hinting instruction validation tests - Tail call optimization verification tests - Decoder integration tests for new parsing features - Runtime execution engine validation These tests ensure correctness and reliability of the new WebAssembly 3.0 features and component model implementation across different scenarios.
Update and improve existing crate implementations to integrate with new component model and advanced instruction support: - Enhanced component adapter and async execution support - Improved memory management and type handling - Updated instruction implementations with new operation support - Refined runtime execution and memory adapters - Enhanced validation and error handling across modules - Improved no_std compatibility and bounded collections - Updated build configurations and dependencies These changes ensure seamless integration of new features while maintaining backward compatibility and improving overall performance.
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