[LLVMbugs] [Bug 14679] New: I can't figure out how to use clang-format

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Dec 20 20:46:14 PST 2012


             Bug #: 14679
           Summary: I can't figure out how to use clang-format
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: -New Bugs
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: nicolasweber at gmx.de
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Here's my attempt:

Nicos-MacBook-Pro:src thakis$ ~/src/llvm/Release+Asserts/bin/clang-format -h
clang-format: Unknown command line argument '-h'.  Try:
'/Users/thakis/src/llvm/Release+Asserts/bin/clang-format -help'
clang-format: Did you mean '-help'?
Nicos-MacBook-Pro:src thakis$ ~/src/llvm/Release+Asserts/bin/clang-format -help
USAGE: clang-format [options]

  -fatal-assembler-warnings - Consider warnings as error
  -help                     - Display available options (-help-hidden for more)
  -length=<int>             - Format a range of this length, -1 for end of
  -offset=<int>             - Format a range starting at this file offset.
  -stats                    - Enable statistics output from program
  -style=<string>           - Coding style, currently supports: LLVM, Google.
  -version                  - Display the version of this program
Nicos-MacBook-Pro:src thakis$ mvim test.c
Nicos-MacBook-Pro:src thakis$ ~/src/llvm/Release+Asserts/bin/clang-format
clang-format: Unknown command line argument 'test.c'.  Try:
'/Users/thakis/src/llvm/Release+Asserts/bin/clang-format -help'


0. -h could be an alias for -help (but it isn't in clang either)
1. the tool should support a file argument
2. and a -o argument (and some flag for "in-place formatting")
3. the help should mention that the tool reads from stdin by default
4. the help should print a short synopsis ("this formats c++ code according to

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