clion-cppcheck
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Implement using ExternalAnnotator
From https://youtrack.jetbrains.com/issue/CPP-22882#focus=Comments-27-5675064.0-0
LocalInspectionTool is not designed for running external executables, like cppcheck. For such task, ExternalAnnotator should be used. The flow is similar: inherit this class, override collectInformation to get all required data (like, virtual files, include dir, etc.), doAnnotate to actually execute cppcheck and finally apply to apply diagnostics to editor.
More pointers on how to properly implement the plugin: https://youtrack.jetbrains.com/issue/CPP-23527#focus=Comments-27-5707401.0-0