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These expressions are a little trickier than most because they include an implicit call to an allocator function. The database tells us which function to call, but we have to synthesize the allocation size and alignment arguments ourselves. The alignment argument, if it exists, is always a constant, but the size argument requires multiplication by the element count for most `NewArrayExpr`s. I introduced the new `TranslatedAllocationSize` class to handle this.
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?
LGTM has extensive documentation on getting started with writing QL. You can use the interactive query console 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 and QL style guide.
License
The LGTM queries are licensed under Apache License 2.0 by Semmle.