r181617 - Reformat clang-format help strings, filter out irrelevant options.

Daniel Jasper djasper at google.com
Mon May 13 03:22:21 PDT 2013


Sorry, turns out, I was just not able to use clang-format with the right
parameters .. :-/


On Mon, May 13, 2013 at 12:20 PM, Daniel Jasper <djasper at google.com> wrote:

>
>
>
> On Fri, May 10, 2013 at 8:12 PM, Alexander Kornienko <alexfh at google.com>wrote:
>
>> Author: alexfh
>> Date: Fri May 10 13:12:00 2013
>> New Revision: 181617
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=181617&view=rev
>> Log:
>> Reformat clang-format help strings, filter out irrelevant options.
>>
>> Summary: +updated ClangFormat.rst
>>
>> Reviewers: djasper, klimek
>>
>> Reviewed By: klimek
>>
>> CC: cfe-commits
>>
>> Differential Revision: http://llvm-reviews.chandlerc.com/D780
>>
>> Modified:
>>     cfe/trunk/docs/ClangFormat.rst
>>     cfe/trunk/tools/clang-format/ClangFormat.cpp
>>
>> Modified: cfe/trunk/docs/ClangFormat.rst
>> URL:
>> http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/ClangFormat.rst?rev=181617&r1=181616&r2=181617&view=diff
>>
>> ==============================================================================
>> --- cfe/trunk/docs/ClangFormat.rst (original)
>> +++ cfe/trunk/docs/ClangFormat.rst Fri May 10 13:12:00 2013
>> @@ -20,21 +20,43 @@ to format C/C++/Obj-C code.
>>
>>    If no arguments are specified, it formats the code from standard input
>>    and writes the result to the standard output.
>> -  If <file> is given, it reformats the file. If -i is specified together
>> -  with <file>, the file is edited in-place. Otherwise, the result is
>> -  written to the standard output.
>> +  If <file>s are given, it reformats the files. If -i is specified
>> +  together with <file>s, the files are edited in-place. Otherwise, the
>> +  result is written to the standard output.
>>
>> -  USAGE: clang-format [options] [<file>]
>> +  USAGE: clang-format [options] [<file> ...]
>>
>>    OPTIONS:
>> -    -fatal-assembler-warnings - Consider warnings as error
>> -    -help                     - Display available options (-help-hidden
>> for more)
>> -    -i                        - Inplace edit <file>, if specified.
>> -    -length=<int>             - Format a range of this length, -1 for
>> end of file.
>> -    -offset=<int>             - Format a range starting at this file
>> offset.
>> -    -stats                    - Enable statistics output from program
>> -    -style=<string>           - Coding style, currently supports: LLVM,
>> Google, Chromium.
>> -    -version                  - Display the version of this program
>> +
>> +  Clang-format options:
>> +
>> +    -dump-config             - Dump configuration options to stdout and
>> exit.
>> +                               Can be used with -style option.
>> +    -i                       - Inplace edit <file>s, if specified.
>> +    -length=<uint>           - Format a range of this length (in bytes).
>> +                               Multiple ranges can be formatted by
>> specifying
>> +                               several -offset and -length pairs.
>> +                               When only a single -offset is specified
>> without
>> +                               -length, clang-format will format up to
>> the end
>> +                               of the file.
>> +                               Can only be used with one input file.
>> +    -offset=<uint>           - Format a range starting at this byte
>> offset.
>> +                               Multiple ranges can be formatted by
>> specifying
>> +                               several -offset and -length pairs.
>> +                               Can only be used with one input file.
>> +    -output-replacements-xml - Output replacements as XML.
>> +    -style=<string>          - Coding style, currently supports:
>> +                                 LLVM, Google, Chromium, Mozilla.
>> +                               Use '-style file' to load style
>> configuration from
>> +                               .clang-format file located in one of the
>> parent
>> +                               directories of the source file (or current
>> +                               directory for stdin).
>> +
>> +  General options:
>> +
>> +    -help                    - Display available options (-help-hidden
>> for more)
>> +    -help-list               - Display list of available options
>> (-help-list-hidden for more)
>> +    -version                 - Display the version of this program
>>
>>
>>  Vim Integration
>>
>> Modified: cfe/trunk/tools/clang-format/ClangFormat.cpp
>> URL:
>> http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-format/ClangFormat.cpp?rev=181617&r1=181616&r2=181617&view=diff
>>
>> ==============================================================================
>> --- cfe/trunk/tools/clang-format/ClangFormat.cpp (original)
>> +++ cfe/trunk/tools/clang-format/ClangFormat.cpp Fri May 10 13:12:00 2013
>> @@ -23,43 +23,57 @@
>>  #include "llvm/Support/Debug.h"
>>  #include "llvm/Support/FileSystem.h"
>>  #include "llvm/Support/Signals.h"
>> +#include "llvm/ADT/StringMap.h"
>>
>>  using namespace llvm;
>>
>>  static cl::opt<bool> Help("h", cl::desc("Alias for -help"), cl::Hidden);
>>
>> -static cl::list<unsigned> Offsets(
>> -    "offset",
>> -    cl::desc(
>> -        "Format a range starting at this byte offset. Multiple ranges
>> can be "
>> -        "formatted by specifying several -offset and -length pairs. Can "
>> -        "only be used with one input file."));
>> -static cl::list<unsigned> Lengths(
>> -    "length",
>> -    cl::desc("Format a range of this length (in bytes). Multiple ranges
>> can be "
>> -             "formatted by specifying several -offset and -length pairs.
>> When "
>> -             "only a single -offset is specified without -length,
>> clang-format "
>> -             "will format up to the end of the file. Can only be used
>> with one "
>> -             "input file."));
>> -static cl::opt<std::string> Style(
>> -    "style",
>> -    cl::desc(
>> -        "Coding style, currently supports: LLVM, Google, Chromium,
>> Mozilla. "
>> -        "Use '-style file' to load style configuration from
>> .clang-format file "
>> -        "located in one of the parent directories of the source file (or
>> "
>> -        "current directory for stdin)."),
>> -    cl::init("LLVM"));
>> +// Mark all our options with this category, everything else (except for
>> -version
>> +// and -help) will be hidden.
>> +cl::OptionCategory ClangFormatCategory("Clang-format options");
>> +
>> +static cl::list<unsigned>
>> +    Offsets("offset",
>> +            cl::desc("Format a range starting at this byte offset.\n"
>> +                     "Multiple ranges can be formatted by specifying\n"
>> +                     "several -offset and -length pairs.\n"
>> +                     "Can only be used with one input file."),
>> +            cl::cat(ClangFormatCategory));
>>
>
> I think we should try to keep clang-format's files "clang-format clean".
> Is there something you found particularly bad about the way clang-format
> formats this? Can we fix it?
>
>
>> +static cl::list<unsigned>
>> +    Lengths("length",
>> +            cl::desc("Format a range of this length (in bytes).\n"
>> +                     "Multiple ranges can be formatted by specifying\n"
>> +                     "several -offset and -length pairs.\n"
>> +                     "When only a single -offset is specified without\n"
>> +                     "-length, clang-format will format up to the end\n"
>> +                     "of the file.\n"
>> +                     "Can only be used with one input file."),
>> +            cl::cat(ClangFormatCategory));
>> +static cl::opt<std::string>
>> +    Style("style",
>> +          cl::desc("Coding style, currently supports:\n"
>> +                   "  LLVM, Google, Chromium, Mozilla.\n"
>> +                   "Use '-style file' to load style configuration from\n"
>> +                   ".clang-format file located in one of the parent\n"
>> +                   "directories of the source file (or current\n"
>> +                   "directory for stdin)."),
>> +          cl::init("LLVM"), cl::cat(ClangFormatCategory));
>>  static cl::opt<bool> Inplace("i",
>> -                             cl::desc("Inplace edit <file>s, if
>> specified."));
>> +                             cl::desc("Inplace edit <file>s, if
>> specified."),
>> +                             cl::cat(ClangFormatCategory));
>>
>> -static cl::opt<bool> OutputXML(
>> -    "output-replacements-xml", cl::desc("Output replacements as XML."));
>> +static cl::opt<bool> OutputXML("output-replacements-xml",
>> +                               cl::desc("Output replacements as XML."),
>> +                               cl::cat(ClangFormatCategory));
>>  static cl::opt<bool>
>>      DumpConfig("dump-config",
>> -               cl::desc("Dump configuration options to stdout and exit.
>> Can be used with -style option."));
>> +               cl::desc("Dump configuration options to stdout and
>> exit.\n"
>> +                        "Can be used with -style option."),
>> +               cl::cat(ClangFormatCategory));
>>
>> -static cl::list<std::string> FileNames(cl::Positional,
>> -                                       cl::desc("[<file> ...]"));
>> +static cl::list<std::string> FileNames(cl::Positional, cl::desc("[<file>
>> ...]"),
>> +                                       cl::cat(ClangFormatCategory));
>>
>>  namespace clang {
>>  namespace format {
>> @@ -196,6 +210,17 @@ static bool format(std::string FileName)
>>
>>  int main(int argc, const char **argv) {
>>    llvm::sys::PrintStackTraceOnErrorSignal();
>> +
>> +  // Hide unrelated options.
>> +  StringMap<cl::Option*> Options;
>> +  cl::getRegisteredOptions(Options);
>> +  for (StringMap<cl::Option *>::iterator I = Options.begin(), E =
>> Options.end();
>> +       I != E; ++I) {
>> +    if (I->second->Category != &ClangFormatCategory && I->first() !=
>> "help" &&
>> +        I->first() != "version")
>> +      I->second->setHiddenFlag(cl::ReallyHidden);
>> +  }
>> +
>>    cl::ParseCommandLineOptions(
>>        argc, argv,
>>        "A tool to format C/C++/Obj-C code.\n\n"
>>
>>
>> _______________________________________________
>> cfe-commits mailing list
>> cfe-commits at cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
>>
>
>
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