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102 lines
3.4 KiB
Python
102 lines
3.4 KiB
Python
# Partially stolen from https://bitbucket.org/mblum/libgp/src/2537ea7329ef/.ycm_extra_conf.py
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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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'-Wextra',
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'-Werror',
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'-Wconversion',
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'-pedantic',
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'-Wno-long-long',
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'-Wno-variadic-macros',
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'-fexceptions',
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# THIS IS IMPORTANT! Without a "-std=<something>" flag, clang won't know which
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# language to use when compiling headers. So it will guess. Badly. So C++
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# headers will be compiled as C headers. You don't want that so ALWAYS specify
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# a "-std=<something>".
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# For a C project, you would set this to something like 'c99' instead of
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# 'c++11'.
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'-std=c++17',
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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', 'c++',
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# This path will only work on OS X, but extra paths that don't exist are not
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# harmful
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'-isystem', '/System/Library/Frameworks/Python.framework/Headers',
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'-isystem', '/usr/local/include',
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'-isystem', '/usr/local/include/eigen3',
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'-I', 'include',
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'-I.',
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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 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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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 FlagsForFile( filename ):
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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 = database.GetCompilationInfoForFile( filename )
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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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else:
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# relative_to = DirectoryOfThisScript()
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relative_to = os.path.dirname(os.path.abspath(filename))
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final_flags = MakeRelativePathsInFlagsAbsolute( flags, relative_to )
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return {
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'flags': final_flags,
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'do_cache': True
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}
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