r190691 - clang-format: Add -assume-filename option for editor integrations.

Nico Weber thakis at chromium.org
Fri Oct 25 13:10:15 PDT 2013


r193433, thanks!


On Fri, Oct 25, 2013 at 1:07 PM, Daniel Jasper <djasper at google.com> wrote:

> Absolutely. Thanks!
>
>
> On Fri, Oct 25, 2013 at 10:04 PM, Nico Weber <thakis at chromium.org> wrote:
>
>> On Fri, Sep 13, 2013 at 6:40 AM, Daniel Jasper <djasper at google.com>wrote:
>>
>>> Author: djasper
>>> Date: Fri Sep 13 08:40:24 2013
>>> New Revision: 190691
>>>
>>> URL: http://llvm.org/viewvc/llvm-project?rev=190691&view=rev
>>> Log:
>>> clang-format: Add -assume-filename option for editor integrations.
>>>
>>> With -style=file, clang-format now starts to search for a .clang-format
>>> file starting at the file given with -assume-filename if it reads from
>>> stdin. Otherwise, it would start searching from the current directory,
>>> which is not helpful for editor integrations.
>>>
>>> Also changed vim, emacs and sublime integrations to actually make use of
>>> this flag.
>>>
>>> This fixes llvm.org/PR17072.
>>>
>>> Modified:
>>>     cfe/trunk/tools/clang-format/ClangFormat.cpp
>>>     cfe/trunk/tools/clang-format/clang-format-sublime.py
>>>     cfe/trunk/tools/clang-format/clang-format.el
>>>     cfe/trunk/tools/clang-format/clang-format.py
>>>
>>> Modified: cfe/trunk/tools/clang-format/ClangFormat.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-format/ClangFormat.cpp?rev=190691&r1=190690&r2=190691&view=diff
>>>
>>> ==============================================================================
>>> --- cfe/trunk/tools/clang-format/ClangFormat.cpp (original)
>>> +++ cfe/trunk/tools/clang-format/ClangFormat.cpp Fri Sep 13 08:40:24 2013
>>> @@ -73,6 +73,14 @@ static cl::opt<std::string>
>>>                     "parameters, e.g.:\n"
>>>                     "  -style=\"{BasedOnStyle: llvm, IndentWidth: 8}\""),
>>>            cl::init("file"), cl::cat(ClangFormatCategory));
>>> +
>>> +static cl::opt<std::string>
>>> +AssumeFilename("assume-filename",
>>> +               cl::desc("When reading from stdin, clang-format assumes
>>> this\n"
>>> +                        "filename to look for a style config file
>>> (with\n"
>>> +                        "-style=file)."),
>>> +               cl::cat(ClangFormatCategory));
>>> +
>>>  static cl::opt<bool> Inplace("i",
>>>                               cl::desc("Inplace edit <file>s, if
>>> specified."),
>>>                               cl::cat(ClangFormatCategory));
>>> @@ -126,11 +134,15 @@ FormatStyle getStyle(StringRef StyleName
>>>      return Style;
>>>    }
>>>
>>> +  if (FileName == "-")
>>> +    FileName = AssumeFilename;
>>>    SmallString<128> Path(FileName);
>>>    llvm::sys::fs::make_absolute(Path);
>>> -  for (StringRef Directory = llvm::sys::path::parent_path(Path);
>>> +  for (StringRef Directory = Path;
>>>         !Directory.empty();
>>>         Directory = llvm::sys::path::parent_path(Directory)) {
>>> +    if (!llvm::sys::fs::is_directory(Directory))
>>> +      continue;
>>>      SmallString<128> ConfigFile(Directory);
>>>
>>>      llvm::sys::path::append(ConfigFile, ".clang-format");
>>>
>>> Modified: cfe/trunk/tools/clang-format/clang-format-sublime.py
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-format/clang-format-sublime.py?rev=190691&r1=190690&r2=190691&view=diff
>>>
>>> ==============================================================================
>>> --- cfe/trunk/tools/clang-format/clang-format-sublime.py (original)
>>> +++ cfe/trunk/tools/clang-format/clang-format-sublime.py Fri Sep 13
>>> 08:40:24 2013
>>> @@ -37,21 +37,21 @@ class ClangFormatCommand(sublime_plugin.
>>>        region_offset = min(region.a, region.b)
>>>        region_length = abs(region.b - region.a)
>>>        command.extend(['-offset', str(region_offset),
>>> -                      '-length', str(region_length)])
>>> +                      '-length', str(region_length),
>>> +                      '-assume-filename', str(self.view.file_name())])
>>>      old_viewport_position = self.view.viewport_position()
>>>      buf = self.view.substr(sublime.Region(0, self.view.size()))
>>>      p = subprocess.Popen(command, stdout=subprocess.PIPE,
>>>                           stderr=subprocess.PIPE, stdin=subprocess.PIPE)
>>>      output, error = p.communicate(buf.encode(encoding))
>>> -    if not error:
>>> -      self.view.replace(
>>> -          edit, sublime.Region(0, self.view.size()),
>>> -          output.decode(encoding))
>>> -      self.view.sel().clear()
>>> -      for region in regions:
>>> -        self.view.sel().add(region)
>>> -      # FIXME: Without the 10ms delay, the viewport sometimes jumps.
>>> -      sublime.set_timeout(lambda: self.view.set_viewport_position(
>>> -        old_viewport_position, False), 10)
>>> -    else:
>>> +    if error:
>>>        print error
>>> +    self.view.replace(
>>> +        edit, sublime.Region(0, self.view.size()),
>>> +        output.decode(encoding))
>>> +    self.view.sel().clear()
>>> +    for region in regions:
>>> +      self.view.sel().add(region)
>>> +    # FIXME: Without the 10ms delay, the viewport sometimes jumps.
>>> +    sublime.set_timeout(lambda: self.view.set_viewport_position(
>>> +      old_viewport_position, False), 10)
>>>
>>> Modified: cfe/trunk/tools/clang-format/clang-format.el
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-format/clang-format.el?rev=190691&r1=190690&r2=190691&view=diff
>>>
>>> ==============================================================================
>>> --- cfe/trunk/tools/clang-format/clang-format.el (original)
>>> +++ cfe/trunk/tools/clang-format/clang-format.el Fri Sep 13 08:40:24 2013
>>> @@ -38,10 +38,12 @@
>>>           (orig-point (point))
>>>           (style "file"))
>>>      (unwind-protect
>>> -        (call-process-region (point-min) (point-max)
>>> clang-format-binary t t nil
>>> +        (call-process-region (point-min) (point-max) clang-format-binary
>>> +                             t (list t nil) nil
>>>                               "-offset" (number-to-string (1- begin))
>>>                               "-length" (number-to-string (- end begin))
>>>                               "-cursor" (number-to-string (1- (point)))
>>> +                             "-assume-filename" (buffer-file-name)
>>>                               "-style" style)
>>>        (goto-char (point-min))
>>>        (let ((json-output (json-read-from-string
>>>
>>> Modified: cfe/trunk/tools/clang-format/clang-format.py
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-format/clang-format.py?rev=190691&r1=190690&r2=190691&view=diff
>>>
>>> ==============================================================================
>>> --- cfe/trunk/tools/clang-format/clang-format.py (original)
>>> +++ cfe/trunk/tools/clang-format/clang-format.py Fri Sep 13 08:40:24 2013
>>> @@ -49,7 +49,8 @@ if sys.platform.startswith('win32'):
>>>
>>>  # Call formatter.
>>>  p = subprocess.Popen([binary, '-lines', lines, '-style', style,
>>> -                      '-cursor', str(cursor)],
>>> +                      '-cursor', str(cursor),
>>> +                      '-assume-filename', vim.current.buffer.name],
>>>
>>
>> This broke formatting unnamed buffers in vim. I sometimes open a new tab,
>> paste in some code, and format that to see what clang-format does. This
>> used to work, now I get something about "execv() arg 2 must contain only
>> strings", probably due to vim.current.buffer.name being None. This patch
>> fixes it for me, is it ok to land this?
>>
>> Index: tools/clang-format/clang-format.py
>> ===================================================================
>> --- tools/clang-format/clang-format.py (revision 193427)
>> +++ tools/clang-format/clang-format.py (working copy)
>> @@ -48,9 +48,10 @@
>>    startupinfo.wShowWindow = subprocess.SW_HIDE
>>
>>  # Call formatter.
>> -p = subprocess.Popen([binary, '-lines', lines, '-style', style,
>> -                      '-cursor', str(cursor),
>> -                      '-assume-filename', vim.current.buffer.name],
>> +command = [binary, '-lines', lines, '-style', style, '-cursor',
>> str(cursor)]
>> +if vim.current.buffer.name:
>> +  command.append(['-assume-filename', vim.current.buffer.name])
>> +p = subprocess.Popen(command,
>>                       stdout=subprocess.PIPE, stderr=subprocess.PIPE,
>>                       stdin=subprocess.PIPE, startupinfo=startupinfo)
>>  stdout, stderr = p.communicate(input=text)
>>
>>
>>
>>
>>>                       stdout=subprocess.PIPE, stderr=subprocess.PIPE,
>>>                       stdin=subprocess.PIPE, startupinfo=startupinfo)
>>>  stdout, stderr = p.communicate(input=text)
>>>
>>>
>>> _______________________________________________
>>> cfe-commits mailing list
>>> cfe-commits at cs.uiuc.edu
>>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
>>>
>>
>>
>
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