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| Infer is a static analysis tool for finding bugs in C, C++, and Java code. CodeRabbit runs Infer version 1.2.0 to report issues such as null dereferences, resource leaks, and concurrency bugs on changed files.

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Files

Infer will run on changed files with the following extensions:
  • .c
  • .cc
  • .cpp
  • .cxx
  • .h
  • .hh
  • .hpp
  • .hxx
  • .java
Java analysis is disabled by default. Enable reviews.tools.fbinfer.enable_java when you want CodeRabbit to analyze changed Java files with Infer.

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Configuration

Infer is disabled by default. Set reviews.tools.fbinfer.enabled to true when you want CodeRabbit to run it, and leave reviews.tools.fbinfer.enable_java as false unless Java analysis should be included.

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Compilation database discovery

Infer uses a compilation database for C and C++ analysis. CodeRabbit searches the repository for compile_commands.json files while skipping dependency and VCS directories such as .git, node_modules, vendor, third_party, external, and subprojects. When no compilation database is available, CodeRabbit skips C and C++ analysis. Java files are analyzed only when Java analysis is enabled.

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When we skip Infer

CodeRabbit will skip running Infer when:
  • Infer is disabled in CodeRabbit settings or .coderabbit.yaml.
  • No changed files match the supported file types.
  • Java is the only matching language and Java analysis is not enabled.
  • Infer is already running in GitHub workflows.
  • C or C++ files changed but no compilation database is available.

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