e9a029cba3
This commit removes fields from the responsibilities of `FlowVar.qll`. The treatment of fields in that file was slow and imprecise. It then adds another copy of the shared global data flow library, used only to find local field flow, and it exposes that local field flow through `localFlow` and `localFlowStep`. This has a performance cost. It adds two cached stages to any query that uses `localFlow`: the stage from `DataFlowImplCommon`, which is shared with all queries that use global data flow, and a new stage just for `localFlowStep`.
Semmle QL
This open source repository contains the standard QL libraries and queries that power LGTM, and the other products that Semmle makes available to its customers worldwide.
How do I learn QL and run queries?
There is extensive documentation on getting started with writing QL. You can use the interactive query console on LGTM.com or the QL for Eclipse plugin to try out your queries on any open-source project that's currently being analyzed.
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 QL for consistency and clarity, how to write query metadata, and how to write query help documentation for your query.
License
The QL queries in this repository are licensed under Apache License 2.0 by Semmle.