cedar-policy/cedar
Feb 2025 – Mar 2025
2 Months active
Languages Used
C++RustPythonTOML
Technical Skills
AST ManipulationAbstract Syntax Trees (AST)Compiler DevelopmentError HandlingExperimental Feature DevelopmentExperimental Feature Implementation
eidelmanjonathan
PROFILE
Eidelmanjonathan
Worked on cedar-policy/cedar to enhance policy parsing robustness and schema validation traceability by developing tolerant parsing workflows and extending schema validation features. Introduced a tolerant AST-based parser in Rust that continues processing after syntax errors by representing errors as special AST nodes, enabling partial parsing and granular error reporting. Expanded the parser to handle invalid entity references and missing operands, and improved the schema validator by adding source location metadata and support for common types. Leveraged skills in AST manipulation, compiler development, and schema validation using Rust and JSON Schema, resulting in more resilient policy validation and streamlined debugging processes.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
6Total
Bugs
0
Commits
6
Features
5
Lines of code
4,769
Activity Months2
Your Network
1630 peopleShared Repositories
19
Jiang ShibiaoMember
Aaron ElineMember
Craig DisselkoenMember
VladMember
Mudit ChaudharyMember
Ammon SarverMember
Ralph GilesMember
Liana HadareanMember
Józsa TamásMember
Work History
March 2025
4 Commits • 4 Features
Mar 1, 2025March 2025 focused on strengthening policy parsing robustness and improving schema validation traceability in cedar-policy/cedar. Delivered tolerant parsing capabilities for unparsable policies, extended tolerance for invalid entity references in scopes, and enhanced source-location metadata in the schema validator with associated feature flags to enable these capabilities. These changes reduce parse failures, improve debugging, and provide clearer provenance for validation results, delivering business value through more reliable policy evaluation and easier troubleshooting.
4 Commits • 4 Features
Mar 1, 2025March 2025 focused on strengthening policy parsing robustness and improving schema validation traceability in cedar-policy/cedar. Delivered tolerant parsing capabilities for unparsable policies, extended tolerance for invalid entity references in scopes, and enhanced source-location metadata in the schema validator with associated feature flags to enable these capabilities. These changes reduce parse failures, improve debugging, and provide clearer provenance for validation results, delivering business value through more reliable policy evaluation and easier troubleshooting.
March 2025
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for cedar-policy/cedar focusing on delivering a resilient policy parsing experience and improved error handling. Key features delivered: Tolerant Cedar Policy Parsing with Partial AST, enabling policy parsing to proceed despite syntax errors by representing errors as special AST nodes, facilitating partial parsing and more granular error reporting. Major bugs fixed: Enhancements to the tolerant-ast pathway include allowing error expressions in AST and handling empty When error scenarios; expanded support to cover missing operands, invalid method names, and invalid variables within the tolerant-ast experimental feature, improving robustness and reducing follow-up remediation. Overall impact and accomplishments: Introduced a resilient parsing workflow that reduces blocking issues in policy validation pipelines, improves observability through granular error reporting, and accelerates remediation cycles for policy authors. This work lays groundwork for more forgiving tooling in Cedar policy authoring and validation. Technologies/skills demonstrated: AST-based parsing, error-tolerant parsing strategies, experimental feature development (tolerant-ast), incremental parsing and robust error reporting, commit-level traceability and code quality improvements.
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for cedar-policy/cedar focusing on delivering a resilient policy parsing experience and improved error handling. Key features delivered: Tolerant Cedar Policy Parsing with Partial AST, enabling policy parsing to proceed despite syntax errors by representing errors as special AST nodes, facilitating partial parsing and more granular error reporting. Major bugs fixed: Enhancements to the tolerant-ast pathway include allowing error expressions in AST and handling empty When error scenarios; expanded support to cover missing operands, invalid method names, and invalid variables within the tolerant-ast experimental feature, improving robustness and reducing follow-up remediation. Overall impact and accomplishments: Introduced a resilient parsing workflow that reduces blocking issues in policy validation pipelines, improves observability through granular error reporting, and accelerates remediation cycles for policy authors. This work lays groundwork for more forgiving tooling in Cedar policy authoring and validation. Technologies/skills demonstrated: AST-based parsing, error-tolerant parsing strategies, experimental feature development (tolerant-ast), incremental parsing and robust error reporting, commit-level traceability and code quality improvements.
Activity
Loading activity data...
Quality Metrics
Correctness86.6%
Maintainability86.8%
Architecture88.4%
Performance71.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++PythonRustTOML
Technical Skills
AST ManipulationAbstract Syntax Trees (AST)Compiler DevelopmentError HandlingExperimental Feature DevelopmentExperimental Feature ImplementationFeature DevelopmentJSON SchemaParser DevelopmentParsingPolicy LanguagePolicy ParsingRustRust ProgrammingSchema Validation
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline