
Liam Cartey developed and maintained advanced static analysis tooling in the github/codeql-coding-standards repository, focusing on C and C++ coding standards, safety, and compliance. He engineered rule frameworks for MISRA C/C++ and CERT, implementing automated risk assessment tagging, banned API detection, and robust deviation analysis. His work included refactoring type systems, expanding header and standard library support, and building shared query architectures to streamline rule authoring. Using CodeQL, QL, and C++, Liam improved test coverage, documentation, and CI/CD automation, delivering maintainable, high-quality code that accelerates feedback loops and enhances code quality across diverse codebases in safety-critical domains.

August 2025 monthly summary for github/codeql-coding-standards. Focused on delivering high-impact features, strengthening safety rules, and improving maintainability of the CodeQL coding standards suite. Key outcomes include a shared query architecture, comprehensive cast-rule enhancements, virtual-base pointer handling improvements, and foundational type-system refactors that standardize representations and enable faster rule authoring. Also expanded the tooling ecosystem with Conversions2 and a new binary-operations utility library, plus test scaffolding and reporting improvements.
August 2025 monthly summary for github/codeql-coding-standards. Focused on delivering high-impact features, strengthening safety rules, and improving maintainability of the CodeQL coding standards suite. Key outcomes include a shared query architecture, comprehensive cast-rule enhancements, virtual-base pointer handling improvements, and foundational type-system refactors that standardize representations and enable faster rule authoring. Also expanded the tooling ecosystem with Conversions2 and a new binary-operations utility library, plus test scaffolding and reporting improvements.
Concise monthly summary for 2025-07 focused on the github/codeql-coding-standards repository. Delivered core rule expansions, improved test coverage, code quality, and packaging, driving safety, compliance, and maintainability.
Concise monthly summary for 2025-07 focused on the github/codeql-coding-standards repository. Delivered core rule expansions, improved test coverage, code quality, and packaging, driving safety, compliance, and maintainability.
June 2025 monthly summary for github/codeql-coding-standards: Delivered major enhancements to C/C++ coding standards coverage, static analysis, and rule quality, with a strong focus on security, safety, and cross‑platform compatibility. The month saw breadth in header/standard library support, advanced banned-apis detection, smart pointer governance, and MISRA C++ 2023 alignment, all accompanied by testing and reporting improvements that accelerate feedback loops and code quality. Business value is reflected in expanded repository support, earlier risk detection, and higher confidence in rule accuracy across diverse codebases.
June 2025 monthly summary for github/codeql-coding-standards: Delivered major enhancements to C/C++ coding standards coverage, static analysis, and rule quality, with a strong focus on security, safety, and cross‑platform compatibility. The month saw breadth in header/standard library support, advanced banned-apis detection, smart pointer governance, and MISRA C++ 2023 alignment, all accompanied by testing and reporting improvements that accelerate feedback loops and code quality. Business value is reflected in expanded repository support, earlier risk detection, and higher confidence in rule accuracy across diverse codebases.
Concise monthly summary for 2025-05 focusing on business value and technical achievements in github/codeql-coding-standards. Key deliveries include automated risk assessment tagging, MISRA C/C++ 2023 support, workflow cleanup, and enhanced documentation and test coverage. The work aligns policy tagging with scalable processes and expands support for industry standards, delivering measurable business and technical value.
Concise monthly summary for 2025-05 focusing on business value and technical achievements in github/codeql-coding-standards. Key deliveries include automated risk assessment tagging, MISRA C/C++ 2023 support, workflow cleanup, and enhanced documentation and test coverage. The work aligns policy tagging with scalable processes and expands support for industry standards, delivering measurable business and technical value.
2025-04 Monthly summary for repository github/codeql-coding-standards. Key accomplishments include delivered Code Deviation Analysis Engine Improvements with centralized location handling, accurate multi-line deviation end positions, improved tracking, clarified predicate, and expanded tests for long double usage. Refactored to extract a common library for location handling and added getLastColumnNumber in the shared library. Fixed Test Suite Alignment for Unused Return Value Violations to ensure test expectations reflect all identified violations in C++ tests. These work items collectively improve precision of deviation checks, reduce false positives, and strengthen test coverage and maintainability. Skills demonstrated include C++, shared-library design, test-driven development, and code quality tooling. Commits illustrating work: 184e5d3ed5bde1cd8ae5895cff70254a0ae36104 (Extract common library), 126ed553e5026853250e3c62e59768eb3abd540b (Add getLastColumnNumber to shared library), 5ad61ee4e441007828e966df4c61d3ad658a62e8 (Deviations: Include the final line in ranges), 6a5f0950ec571b46088b0f96e57fa0dbff346cac (Deviations: Store start columns for comment ranges), 52e64673fee3cf653027a2924b5d3095bf81b457 (Add comment), 8c2da1cd439f6f5df31f1756842b64832da6feae (Deviations: Expand testing for ranges), d8ac07f96918e85310d5baa0dcbe34f25b57e163 (Test Suite Alignment: Add missing results).
2025-04 Monthly summary for repository github/codeql-coding-standards. Key accomplishments include delivered Code Deviation Analysis Engine Improvements with centralized location handling, accurate multi-line deviation end positions, improved tracking, clarified predicate, and expanded tests for long double usage. Refactored to extract a common library for location handling and added getLastColumnNumber in the shared library. Fixed Test Suite Alignment for Unused Return Value Violations to ensure test expectations reflect all identified violations in C++ tests. These work items collectively improve precision of deviation checks, reduce false positives, and strengthen test coverage and maintainability. Skills demonstrated include C++, shared-library design, test-driven development, and code quality tooling. Commits illustrating work: 184e5d3ed5bde1cd8ae5895cff70254a0ae36104 (Extract common library), 126ed553e5026853250e3c62e59768eb3abd540b (Add getLastColumnNumber to shared library), 5ad61ee4e441007828e966df4c61d3ad658a62e8 (Deviations: Include the final line in ranges), 6a5f0950ec571b46088b0f96e57fa0dbff346cac (Deviations: Store start columns for comment ranges), 52e64673fee3cf653027a2924b5d3095bf81b457 (Add comment), 8c2da1cd439f6f5df31f1756842b64832da6feae (Deviations: Expand testing for ranges), d8ac07f96918e85310d5baa0dcbe34f25b57e163 (Test Suite Alignment: Add missing results).
March 2025 monthly summary: Delivered significant improvements across two CodeQL repositories, focusing on MISRA C analysis, deviation reporting, C++ annotation detection, and SAP JSON extraction. Key outcomes include stricter MISRA RULE-8-7 analysis with improved definitions/references handling (same translation unit), tests updated to reflect stricter checks, and support for header-included usage; restoration and expansion of Deviation Suppression reporting with broader test coverage (including long double usage and new suppression formats); enhanced C++ coding standards detection by refactoring to use regexpFind for accurate detection of annotations like @HardwareOrProtocolInterface and @IsStrictlyWeaklyOrdered; SAP JSON formats support added to the CodeQL extractor (xs-app.json, *.view.json, manifest.json).
March 2025 monthly summary: Delivered significant improvements across two CodeQL repositories, focusing on MISRA C analysis, deviation reporting, C++ annotation detection, and SAP JSON extraction. Key outcomes include stricter MISRA RULE-8-7 analysis with improved definitions/references handling (same translation unit), tests updated to reflect stricter checks, and support for header-included usage; restoration and expansion of Deviation Suppression reporting with broader test coverage (including long double usage and new suppression formats); enhanced C++ coding standards detection by refactoring to use regexpFind for accurate detection of annotations like @HardwareOrProtocolInterface and @IsStrictlyWeaklyOrdered; SAP JSON formats support added to the CodeQL extractor (xs-app.json, *.view.json, manifest.json).
February 2025 summary for github/codeql-coding-standards focused on delivering quality, maintainability, and performance improvements through a coordinated set of features and reliability fixes. The month emphasized code health, safer analysis queries, enhanced deviation handling, hash/macro robustness, and targeted performance work, underpinned by improved docs and tests for release readiness.
February 2025 summary for github/codeql-coding-standards focused on delivering quality, maintainability, and performance improvements through a coordinated set of features and reliability fixes. The month emphasized code health, safer analysis queries, enhanced deviation handling, hash/macro robustness, and targeted performance work, underpinned by improved docs and tests for release readiness.
January 2025 monthly summary for github/codeql-coding-standards: Focused on stabilizing automation, strengthening governance, and accelerating rule development. Implemented CI workflow improvements to ensure reliable conditional checks and proper handling of external help files. Expanded MISRA C 2012 tagging and metadata to improve compliance, reduce false positives, and streamline static analysis governance. Enhanced deviation tagging with attribute-based deviations and external standard references for better governance. Refined test coverage and constexpr handling for A7-1-2 to improve accuracy. Undertook a core refactor of expression evaluation and type system to consolidate binary operations and type promotions, reducing duplication and increasing correctness. Performed code style cleanups to improve readability and maintainability. These changes collectively shorten feedback loops, mitigate risk, and establish a scalable foundation for future rule development and governance.
January 2025 monthly summary for github/codeql-coding-standards: Focused on stabilizing automation, strengthening governance, and accelerating rule development. Implemented CI workflow improvements to ensure reliable conditional checks and proper handling of external help files. Expanded MISRA C 2012 tagging and metadata to improve compliance, reduce false positives, and streamline static analysis governance. Enhanced deviation tagging with attribute-based deviations and external standard references for better governance. Refined test coverage and constexpr handling for A7-1-2 to improve accuracy. Undertook a core refactor of expression evaluation and type system to consolidate binary operations and type promotions, reducing duplication and increasing correctness. Performed code style cleanups to improve readability and maintainability. These changes collectively shorten feedback loops, mitigate risk, and establish a scalable foundation for future rule development and governance.
December 2024 monthly summary for the github/codeql-coding-standards repository. Focused on delivering extended code-identifier deviation support, substantial scope resolution improvements, and upgrade/readiness enhancements. Achievements span feature delivery, bug fixes, test coverage expansion, and documentation updates, driving reliability and faster onboarding for code scanning rules.
December 2024 monthly summary for the github/codeql-coding-standards repository. Focused on delivering extended code-identifier deviation support, substantial scope resolution improvements, and upgrade/readiness enhancements. Achievements span feature delivery, bug fixes, test coverage expansion, and documentation updates, driving reliability and faster onboarding for code scanning rules.
November 2024 monthly summary for github/codeql-coding-standards: Strengthened CI/CD automation and static analysis accuracy. Delivered key feature: upgraded the CI/CD pipeline to the latest GitHub Actions across workflows (checkout, upload-artifact, cache, setup-python) and introduced Dependabot configuration to automate dependency updates, reducing maintenance overhead and security risk. Fixed critical static analysis gaps: M5-0-3 rule now correctly identifies static casts as cvalues with corresponding tests and Expr.qll updates; improved MissingNoExcept rule robustness by considering the declaration entry when declarations differ from definitions, with new tests to validate behavior. These efforts improved build reliability, reduced false positives/negatives in code analysis, and accelerated developer feedback loops. Technologies/skills demonstrated include GitHub Actions, Dependabot, CodeQL rule maintenance, test augmentation, and basic QA automation.
November 2024 monthly summary for github/codeql-coding-standards: Strengthened CI/CD automation and static analysis accuracy. Delivered key feature: upgraded the CI/CD pipeline to the latest GitHub Actions across workflows (checkout, upload-artifact, cache, setup-python) and introduced Dependabot configuration to automate dependency updates, reducing maintenance overhead and security risk. Fixed critical static analysis gaps: M5-0-3 rule now correctly identifies static casts as cvalues with corresponding tests and Expr.qll updates; improved MissingNoExcept rule robustness by considering the declaration entry when declarations differ from definitions, with new tests to validate behavior. These efforts improved build reliability, reduced false positives/negatives in code analysis, and accelerated developer feedback loops. Technologies/skills demonstrated include GitHub Actions, Dependabot, CodeQL rule maintenance, test augmentation, and basic QA automation.
For 2024-10, the team delivered two core initiatives in the github/codeql-coding-standards repository, focusing on reliability, quality, and developer productivity. The Documentation and Help System Reliability feature updates CodeQL CLI docs with correct links, ensures help content is loaded from the base reference of a PR/merge group, and enforces CI to stop on errors when checking out external help files, reducing misconfigurations and support tickets. The CodeQL Static Analysis Core Improvements for MISRA C and Essential Types enhance analysis accuracy and performance by refining regex handling, MISRA directive handling, cvalues/casts analysis, compatibility checks, and bitwise type handling, along with expanded test coverage and test case improvements. These changes collectively improve developer experience, reduce pipeline failures, and raise the overall quality of MISRA/C static analysis results. Technologies demonstrated include CodeQL, MISRA C/C, regex optimization, test-driven development, CI/CD hardening, and documentation engineering.
For 2024-10, the team delivered two core initiatives in the github/codeql-coding-standards repository, focusing on reliability, quality, and developer productivity. The Documentation and Help System Reliability feature updates CodeQL CLI docs with correct links, ensures help content is loaded from the base reference of a PR/merge group, and enforces CI to stop on errors when checking out external help files, reducing misconfigurations and support tickets. The CodeQL Static Analysis Core Improvements for MISRA C and Essential Types enhance analysis accuracy and performance by refining regex handling, MISRA directive handling, cvalues/casts analysis, compatibility checks, and bitwise type handling, along with expanded test coverage and test case improvements. These changes collectively improve developer experience, reduce pipeline failures, and raise the overall quality of MISRA/C static analysis results. Technologies demonstrated include CodeQL, MISRA C/C, regex optimization, test-driven development, CI/CD hardening, and documentation engineering.
Overview of all repositories you've contributed to across your timeline