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.ycm_extra_conf.py 
120 строк · 3.8 Кб
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import os
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import ycm_core
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# These are the compilation flags that will be used in case there's no
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# compilation database set (by default, one is not set).
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# CHANGE THIS LIST OF FLAGS. YES, THIS IS THE DROID YOU HAVE BEEN LOOKING FOR.
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flags = [
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    "-Wall",
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    "-Werror",
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    "-pedantic-errors",
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    "-std=c++0x",
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    "-fno-strict-aliasing",
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    "-O3",
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    "-DNDEBUG",
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    # ...and the same thing goes for the magic -x option which specifies the
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    # language that the files to be compiled are written in. This is mostly
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    # relevant for c++ headers.
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    # For a C project, you would set this to 'c' instead of 'c++'.
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    "-x",
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    "c++",
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    "-I",
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    "include",
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    "-isystem",
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    "/usr/include",
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    "-isystem",
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    "/usr/local/include",
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]
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# Set this to the absolute path to the folder (NOT the file!) containing the
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# compile_commands.json file to use that instead of 'flags'. See here for
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# more details: http://clang.llvm.org/docs/JSONCompilationDatabase.html
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#
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# Most projects will NOT need to set this to anything; you can just change the
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# 'flags' list of compilation flags. Notice that YCM itself uses that approach.
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compilation_database_folder = ""
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if os.path.exists(compilation_database_folder):
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    database = ycm_core.CompilationDatabase(compilation_database_folder)
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else:
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    database = None
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SOURCE_EXTENSIONS = [".cc"]
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def DirectoryOfThisScript():
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    return os.path.dirname(os.path.abspath(__file__))
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def MakeRelativePathsInFlagsAbsolute(flags, working_directory):
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    if not working_directory:
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        return list(flags)
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    new_flags = []
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    make_next_absolute = False
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    path_flags = ["-isystem", "-I", "-iquote", "--sysroot="]
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    for flag in flags:
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        new_flag = flag
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        if make_next_absolute:
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            make_next_absolute = False
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            if not flag.startswith("/"):
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                new_flag = os.path.join(working_directory, flag)
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        for path_flag in path_flags:
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            if flag == path_flag:
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                make_next_absolute = True
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                break
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            if flag.startswith(path_flag):
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                path = flag[len(path_flag) :]
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                new_flag = path_flag + os.path.join(working_directory, path)
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                break
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        if new_flag:
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            new_flags.append(new_flag)
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    return new_flags
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def IsHeaderFile(filename):
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    extension = os.path.splitext(filename)[1]
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    return extension in [".h", ".hxx", ".hpp", ".hh"]
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def GetCompilationInfoForFile(filename):
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    # The compilation_commands.json file generated by CMake does not have entries
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    # for header files. So we do our best by asking the db for flags for a
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    # corresponding source file, if any. If one exists, the flags for that file
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    # should be good enough.
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    if IsHeaderFile(filename):
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        basename = os.path.splitext(filename)[0]
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        for extension in SOURCE_EXTENSIONS:
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            replacement_file = basename + extension
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            if os.path.exists(replacement_file):
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                compilation_info = database.GetCompilationInfoForFile(
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                    replacement_file
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                )
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                if compilation_info.compiler_flags_:
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                    return compilation_info
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        return None
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    return database.GetCompilationInfoForFile(filename)
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def FlagsForFile(filename, **kwargs):
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    if database:
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        # Bear in mind that compilation_info.compiler_flags_ does NOT return a
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        # python list, but a "list-like" StringVec object
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        compilation_info = GetCompilationInfoForFile(filename)
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        if not compilation_info:
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            return None
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        final_flags = MakeRelativePathsInFlagsAbsolute(
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            compilation_info.compiler_flags_,
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            compilation_info.compiler_working_dir_,
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        )
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    else:
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        relative_to = DirectoryOfThisScript()
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        final_flags = MakeRelativePathsInFlagsAbsolute(flags, relative_to)
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    return {"flags": final_flags, "do_cache": True}
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