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Implement MISRA-C++23 Preprocesser package rules 19-0-4, 19-1-1, and 19-2-1#893

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Description

Also includes two files incpp/util which I intend to port toqtil package (CondensedList andPair).

Change request type

  • Release or process automation (GitHub workflows, internal scripts)
  • Internal documentation
  • External documentation
  • Query files (.ql,.qll,.qls or unit tests)
  • External scripts (analysis report or other code shipped as part of a release)

Rules with added or modified queries

  • No rules added
  • Queries have been added for the following rules:
    • RULE-19-0-4,RULE-19-1-1,RULE-19-2-1
  • Queries have been modified for the following rules:
    • rule number here

Release change checklist

A change note (development_handbook.md#change-notes) is required for any pull request which modifies:

  • The structure or layout of the release artifacts.
  • The evaluation performance (memory, execution time) of an existing query.
  • The results of an existing query in any circumstance.

If you are only adding new rule queries, a change note is not required.

Author: Is a change note required?

  • Yes
  • No

🚨🚨🚨
Reviewer: Confirm that format ofshared queries (not the .qll file, the
.ql file that imports it) is valid by running them within VS Code.

  • Confirmed

Reviewer: Confirm that either a change note is not required or the change note is required and has been added.

  • Confirmed

Query development review checklist

For PRs that add new queries or modify existing queries, the following checklist should be completed by both the author and reviewer:

Author

  • Have all the relevant rule package description files been checked in?
  • Have you verified that the metadata properties of each new query is set appropriately?
  • Do all the unit tests contain both "COMPLIANT" and "NON_COMPLIANT" cases?
  • Are the alert messages properly formatted and consistent with thestyle guide?
  • Have you run the queries on OpenPilot and verified that the performance and results are acceptable?
    As a rule of thumb, predicates specific to the query should take no more than 1 minute, and for simple queries be under 10 seconds. If this is not the case, this should be highlighted and agreed in the code review process.
  • Does the query have an appropriate level of in-query comments/documentation?
  • Have you considered/identified possible edge cases?
  • Does the query not reinvent features in the standard library?
  • Can the query be simplified further (not golfed!)

Reviewer

  • Have all the relevant rule package description files been checked in?
  • Have you verified that the metadata properties of each new query is set appropriately?
  • Do all the unit tests contain both "COMPLIANT" and "NON_COMPLIANT" cases?
  • Are the alert messages properly formatted and consistent with thestyle guide?
  • Have you run the queries on OpenPilot and verified that the performance and results are acceptable?
    As a rule of thumb, predicates specific to the query should take no more than 1 minute, and for simple queries be under 10 seconds. If this is not the case, this should be highlighted and agreed in the code review process.
  • Does the query have an appropriate level of in-query comments/documentation?
  • Have you considered/identified possible edge cases?
  • Does the query not reinvent features in the standard library?
  • Can the query be simplified further (not golfed!)

@CopilotCopilotAI review requested due to automatic review settingsApril 29, 2025 23:28
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Pull Request Overview

This pull request implements new CodeQL queries to enforce MISRA-C++23 preprocessor rules (RULE-19-0-4, RULE-19-1-1, and RULE-19-2-1), and it adds test cases to verify improper include guards and misuse of the preprocessor.

  • Added test files with intentionally malformed include guards and misuse of the "defined" operator.
  • Created new QL query files to detect violations of MISRA preprocessor rules.
  • Updated common utilities and exclusion lists to support preprocessor-related queries.

Reviewed Changes

Copilot reviewed 34 out of 34 changed files in this pull request and generated 2 comments.

FileDescription
cpp/misra/test/rules/RULE-19-2-1/invalid2.hTest file with an include guard using "#ifdef" instead of "#ifndef".
cpp/misra/test/rules/RULE-19-2-1/invalid1.hTest file with a spelling mismatch in the include guard macros.
Other filesNew queries and supporting files for enforcing MISRA preprocessor rules.

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Copilot code reviewCopilotCopilot left review comments

@lcarteylcarteyAwaiting requested review from lcartey

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@MichaelRFairhurst

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