mirror of
https://github.com/libretro/RetroArch.git
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116 lines
3.6 KiB
Python
116 lines
3.6 KiB
Python
import os
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import ycm_core
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# Defaults, if no database can be found.
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defaultsc = [
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'gcc',
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'-Wno-long-long',
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'-Wno-variadic-macros',
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'-pthread'
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'-std=c99',
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]
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defaultscpp = [
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'c'
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'-Wno-long-long',
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'-Wno-variadic-macros',
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'-pthread'
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'-std=c99',
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]
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# Things that must be included.
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entered_flags = ['-fdelayed-template-parsing']
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#
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def DirectoryOfThisScript():
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return os.path.dirname( os.path.abspath( __file__ ) )
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# Find all compilation databases in the build directory and load them.
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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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# Search through all parent directories for a directory named 'build'
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databases = []
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path_focus = os.path.dirname(filename)
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while len(path_focus) > 1:
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for f in os.listdir(path_focus):
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compilation_database_folder = path_focus + "/" + f
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for r,d,f in os.walk(compilation_database_folder):
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for files in f:
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if files == 'compile_commands.json':
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databases += [ycm_core.CompilationDatabase( r )]
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path_focus = os.path.dirname(os.path.dirname(path_focus))
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# Use a header's source file database for completion.
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filetype_flags = []
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if filename.endswith(".h"):
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for f in os.listdir(os.path.dirname(filename)):
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if filename.replace(".h",".cpp").find(f) != -1:
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filename = filename.replace(".h",".cpp")
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break
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if filename.replace(".h",".c").find(f) != -1:
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filename = filename.replace(".h",".c")
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break
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elif filename.endswith(".hpp"):
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for f in os.listdir(os.path.dirname(filename)):
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if filename.replace(".hpp",".cpp").find(f) != -1:
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filename = filename.replace(".hpp",".cpp")
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break
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# Get the compile commands
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final_flags = []
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# If possible, from the database.
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if len(databases) > 0:
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for database in databases:
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compilation_info = database.GetCompilationInfoForFile( filename )
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fromfile_flags = MakeRelativePathsInFlagsAbsolute(
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compilation_info.compiler_flags_,
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compilation_info.compiler_working_dir_ )
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final_flags += fromfile_flags
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# If not, set some sane defaults.
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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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if not final_flags:
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if filename.endswith(".c"):
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final_flags = defaultsc
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elif filename.endswith(".cpp"):
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final_flags = defaultscpp
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# This allows header files to be parsed according to their parent source
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final_flags = filetype_flags + final_flags
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# For things that must be included regardless:
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final_flags += entered_flags
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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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