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Lucas Marçal

PROFILE

Lucas Marçal

Worked on the tree-sitter/tree-sitter repository to enhance cross-platform build reliability and portability, focusing on Swift and WebAssembly targets. Addressed Swift build processes by ensuring all relevant source files were included and introducing conditional support for WASM, which streamlined integration and reduced build failures. Improved Apple POSIX endian handling by updating C source code to use conditional compilation, ensuring correct byte order conversions under POSIX mode and better compliance across macOS and iOS. Leveraged skills in build systems, C, and Swift development to deliver maintainable solutions that broadened platform support and improved downstream integration for multi-target environments within the project.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

2Total
Bugs
1
Commits
2
Features
1
Lines of code
88
Activity Months1

Your Network

115 people

Work History

January 2025

2 Commits • 1 Features

Jan 1, 2025

January 2025 monthly summary for tree-sitter/tree-sitter focusing on delivering cross-platform build reliability and portability improvements for Swift and WASM targets. Key changes include: (1) Swift build enhancements to include all source files and conditional WASM support, enabling complete Swift-target builds and easier WASM integration; (2) Apple POSIX endian handling portability fix to improve byte-order conversions under POSIX mode on Apple platforms, enhancing compliance with POSIX standards and portability across macOS/iOS environments. These changes reduce build failures, broaden platform support, and improve downstream integration with Swift and WASM components.

Activity

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Quality Metrics

Correctness85.0%
Maintainability80.0%
Architecture80.0%
Performance75.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSwift

Technical Skills

Build SystemsC/C++ DevelopmentCross-Platform DevelopmentEmbedded SystemsSwift DevelopmentSystem Programming

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

tree-sitter/tree-sitter

Jan 2025 Jan 2025
1 Month active

Languages Used

CSwift

Technical Skills

Build SystemsC/C++ DevelopmentCross-Platform DevelopmentEmbedded SystemsSwift DevelopmentSystem Programming