DIAGTOOL(1)                          Clang                         DIAGTOOL(1)

NAME
       diagtool - clang diagnostics tool

SYNOPSIS
       diagtool command [args]

DESCRIPTION
       diagtool is a combination of four tools for dealing with diagnostics in
       clang.

SUBCOMMANDS
       diagtool is separated into several subcommands each tailored to a
       different purpose. A brief summary of each command follows, with more
       detail in the sections that follow.

          o find-diagnostic-id - Print the id of the given diagnostic.

          o list-warnings - List warnings and their corresponding flags.

          o show-enabled - Show which warnings are enabled for a given command
            line.

          o tree - Show warning flags in a tree view.

   find-diagnostic-id
       diagtool find-diagnostic-id diagnostic-name

   list-warnings
       diagtool list-warnings

   show-enabled
       diagtool show-enabled [options] filename ...

   tree
       diagtool tree [diagnostic-group]

Author
       Maintained by the Clang / LLVM Team (<http://clang.llvm.org>)

Copyright
       2007-2025, The Clang Team

21                             December 26, 2025                   DIAGTOOL(1)