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Clang Static Analyzer

A source code analysis tool that finds bugs in C, C++, and Objective-C programs.

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The Clang Static Analyzer is an open source source-code analysis tool that finds bugs in C, C++, and Objective-C programs. It is part of the Clang project and is implemented as a reusable C++ library, so other tools and applications can embed its analysis engine. The engine is built on Clang and LLVM, and the project is distributed through LLVM releases, which include the analyzer and scan-build, a command-line tool for running analysis over a codebase.

The analyzer can be invoked directly from Xcode on macOS, and IDEs that use Clang may integrate it natively. It can also run alongside clang-tidy when the clang-analyzer checks are enabled. Results can be viewed in Xcode or in a web browser. The project is open source, and the pages describe it as a work in progress with planned improvements to analysis precision and scope. The documentation notes that static analysis can be slower than compilation and may report false positives, and that the checks are limited to the bug classes the analyzer has been engineered to detect.

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