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This enables users to specify how and when these captures get translated. In conjunction with the context mechanism, this can be used to e.g. translate some piece of information (e.g. the type of something), record it in the context, and then recursively translate some other capture that relies on this information. This allows information to be cleanly passed into descendants (which can be written using context accesses in the `rule!` macro form). As a consequence of this change, we now need to pass around a TranslatorHandle to perform the manual translation. For Repeating rules, it doesn't really make sense to translate things, so in this case we simply signal an error. Also, the implementation of the `rule!` macro changes slightly (without changing semantics): it now essentially delegates to `Rule::new`, receiving raw captures, but then immediately applies the translation to those captures (which, for the majority of cases, is likely the desired behaviour).
CodeQL
This open source repository contains the standard CodeQL libraries and queries that power GitHub Advanced Security and the other application security products that GitHub makes available to its customers worldwide.
How do I learn CodeQL and run queries?
There is extensive documentation about the CodeQL language, writing CodeQL using the CodeQL extension for Visual Studio Code and using the CodeQL CLI.
Contributing
We welcome contributions to our standard library and standard checks. Do you have an idea for a new check, or how to improve an existing query? Then please go ahead and open a pull request! Before you do, though, please take the time to read our contributing guidelines. You can also consult our style guides to learn how to format your code for consistency and clarity, how to write query metadata, and how to write query help documentation for your query.
For information on contributing to CodeQL documentation, see the "contributing guide" for docs.
License
The code in this repository is licensed under the MIT License by GitHub.
The CodeQL CLI (including the CodeQL engine) is hosted in a different repository and is licensed separately. If you'd like to use the CodeQL CLI to analyze closed-source code, you will need a separate commercial license; please contact us for further help.
Visual Studio Code integration
If you use Visual Studio Code to work in this repository, there are a few integration features to make development easier.
CodeQL for Visual Studio Code
You can install the CodeQL for Visual Studio Code extension to get syntax highlighting, IntelliSense, and code navigation for the QL language, as well as unit test support for testing CodeQL libraries and queries.
Tasks
The .vscode/tasks.json file defines custom tasks specific to working in this repository. To invoke one of these tasks, select the Terminal | Run Task... menu option, and then select the desired task from the dropdown. You can also invoke the Tasks: Run Task command from the command palette.