no need for ycm
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parent
d13d0ec0e8
commit
187b9de47a
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@ -1,177 +0,0 @@
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import os
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import os.path
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import fnmatch
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import logging
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import ycm_core
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import re
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BASE_FLAGS = [
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'-Wall',
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'-Wextra',
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'-Werror',
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'-Wno-long-long',
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'-Wno-variadic-macros',
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'-fexceptions',
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'-ferror-limit=10000',
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'-DNDEBUG',
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'-std=c++11',
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'-xc++',
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'-I/usr/lib/',
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'-I/usr/include/'
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]
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SOURCE_EXTENSIONS = [
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'.cpp',
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'.cxx',
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'.cc',
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'.c',
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'.m',
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'.mm'
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]
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SOURCE_DIRECTORIES = [
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'src',
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'lib'
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]
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HEADER_EXTENSIONS = [
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'.h',
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'.hxx',
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'.hpp',
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'.hh'
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]
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HEADER_DIRECTORIES = [
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'include'
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]
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def IsHeaderFile(filename):
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extension = os.path.splitext(filename)[1]
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return extension in HEADER_EXTENSIONS
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def GetCompilationInfoForFile(database, filename):
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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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# Get info from the source files by replacing the extension.
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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(replacement_file)
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if compilation_info.compiler_flags_:
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return compilation_info
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# If that wasn't successful, try replacing possible header directory with possible source directories.
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for header_dir in HEADER_DIRECTORIES:
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for source_dir in SOURCE_DIRECTORIES:
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src_file = replacement_file.replace(header_dir, source_dir)
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if os.path.exists(src_file):
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compilation_info = database.GetCompilationInfoForFile(src_file)
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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 FindNearest(path, target, build_folder):
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candidate = os.path.join(path, target)
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if(os.path.isfile(candidate) or os.path.isdir(candidate)):
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logging.info("Found nearest " + target + " at " + candidate)
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return candidate;
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parent = os.path.dirname(os.path.abspath(path));
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if(parent == path):
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raise RuntimeError("Could not find " + target);
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if(build_folder):
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candidate = os.path.join(parent, build_folder, target)
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if(os.path.isfile(candidate) or os.path.isdir(candidate)):
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logging.info("Found nearest " + target + " in build folder at " + candidate)
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return candidate;
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return FindNearest(parent, target, build_folder)
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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 FlagsForClangComplete(root):
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try:
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clang_complete_path = FindNearest(root, '.clang_complete')
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clang_complete_flags = open(clang_complete_path, 'r').read().splitlines()
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return clang_complete_flags
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except:
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return None
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def FlagsForInclude(root):
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try:
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include_path = FindNearest(root, 'include')
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flags = []
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for dirroot, dirnames, filenames in os.walk(include_path):
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for dir_path in dirnames:
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real_path = os.path.join(dirroot, dir_path)
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flags = flags + ["-I" + real_path]
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return flags
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except:
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return None
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def FlagsForCompilationDatabase(root, filename):
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try:
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# Last argument of next function is the name of the build folder for
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# out of source projects
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compilation_db_path = FindNearest(root, 'compile_commands.json', 'build')
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compilation_db_dir = os.path.dirname(compilation_db_path)
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logging.info("Set compilation database directory to " + compilation_db_dir)
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compilation_db = ycm_core.CompilationDatabase(compilation_db_dir)
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if not compilation_db:
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logging.info("Compilation database file found but unable to load")
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return None
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compilation_info = GetCompilationInfoForFile(compilation_db, filename)
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if not compilation_info:
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logging.info("No compilation info for " + filename + " in compilation database")
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return None
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return MakeRelativePathsInFlagsAbsolute(
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compilation_info.compiler_flags_,
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compilation_info.compiler_working_dir_)
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except:
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return None
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def FlagsForFile(filename):
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root = os.path.realpath(filename);
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compilation_db_flags = FlagsForCompilationDatabase(root, filename)
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if compilation_db_flags:
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final_flags = compilation_db_flags
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else:
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final_flags = BASE_FLAGS
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clang_flags = FlagsForClangComplete(root)
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if clang_flags:
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final_flags = final_flags + clang_flags
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include_flags = FlagsForInclude(root)
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if include_flags:
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final_flags = final_flags + include_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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