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alpaca-tc

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Alpaca-tc

Alpaca-TC contributed to the ruby/typeprof and ruby/ruby repositories, focusing on type analysis, argument forwarding, and performance improvements. Over three months, Alpaca-TC enhanced TypeProf’s support for rest and forwarding arguments by extending AST handling and refining type inference, which improved analysis accuracy for complex Ruby code. In ruby/ruby, Alpaca-TC addressed a regression in refinements call cache invalidation, introducing a targeted cache table in C to optimize performance and avoid unnecessary scans. The work also included code refactoring for maintainability, bug fixes for CLI startup, and expanded test coverage, demonstrating depth in Ruby internals, C programming, and static analysis.

Overall Statistics

Feature vs Bugs

43%Features

Repository Contributions

7Total
Bugs
4
Commits
7
Features
3
Lines of code
270
Activity Months3

Your Network

320 people

Shared Repositories

320

Work History

April 2025

2 Commits • 1 Features

Apr 1, 2025

April 2025 monthly summary for work across ruby/ruby and ruby/typeprof. Focused on targeted performance fixes and maintainability improvements with minimal functional risk. Key efforts include a bug fix for refinements call cache invalidation and a non-functional TypeProf core refactor to replace instance variables with local variables for clarity and readability.

January 2025

1 Commits • 1 Features

Jan 1, 2025

January 2025 monthly summary for ruby/typeprof. Delivered partial support for forwarding arguments in methods and AST, with updates to AST to handle Prism::SplatNode and Prism::ForwardingArgumentsNode, and added scenario tests to demonstrate forwarding with both positional and keyword arguments. Linked changes to commit 888f21d69b3f7b3ff64bc40187a950e155468616 for tracking changes. This work improves analysis accuracy for advanced argument forwarding and reduces errors during parsing.

December 2024

4 Commits • 1 Features

Dec 1, 2024

December 2024: Stabilized CLI UX and expanded type analysis in ruby/typeprof, focusing on reliability, correctness, and maintainability. Delivered a critical bug fix for CLI startup with mixed LSP/stdio usage, extended TypeProf to support rest arguments in methods, and strengthened test coverage to guard against infinite-loop scenarios in nested module patterns. These changes reduce runtime errors, improve analysis accuracy for real-world Ruby code, and lower regression risk for future releases.

Activity

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Quality Metrics

Correctness94.2%
Maintainability91.4%
Architecture91.4%
Performance88.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

CRuby

Technical Skills

AST ManipulationBug FixingC ProgrammingCLI DevelopmentCode RefactoringMemory ManagementMetaprogrammingPerformance OptimizationRuby DevelopmentRuby InternalsStatic AnalysisTestingType SystemsTypo Correction

Repositories Contributed To

2 repos

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

ruby/typeprof

Dec 2024 Apr 2025
3 Months active

Languages Used

Ruby

Technical Skills

Bug FixingCLI DevelopmentRuby DevelopmentStatic AnalysisTestingType Systems

ruby/ruby

Apr 2025 Apr 2025
1 Month active

Languages Used

C

Technical Skills

C ProgrammingMemory ManagementPerformance OptimizationRuby Internals