119 lines
2.9 KiB
C++
119 lines
2.9 KiB
C++
// Copyright (C) 2011, 2012 Strahinja Val Markovic <val@markovic.io>
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//
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// This file is part of YouCompleteMe.
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//
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// YouCompleteMe is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// YouCompleteMe is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with YouCompleteMe. If not, see <http://www.gnu.org/licenses/>.
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#include "ClangUtils.h"
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#include "Utils.h"
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#include <cctype>
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#include <boost/algorithm/string.hpp>
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namespace YouCompleteMe
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{
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const char *CLANG_OPTIONS_FILENAME = ".ycm_clang_options";
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std::vector< std::string > SanitizeClangFlags(
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const std::vector< std::string > &flags )
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{
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std::vector< std::string > sanitized_flags = flags;
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std::vector< std::string >::iterator it = sanitized_flags.begin();
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while ( it != sanitized_flags.end() )
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{
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if ( *it == "-arch" )
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{
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if ( it + 1 != sanitized_flags.end() )
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sanitized_flags.erase( it, it + 2 );
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else
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sanitized_flags.erase( it, it + 1 );
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}
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else
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{
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++it;
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}
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}
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return sanitized_flags;
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}
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std::vector< std::string > SplitFlags( const std::string &flags_string )
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{
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std::vector< std::string > flags;
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bool in_quotes = false;
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uint flag_start = 0;
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uint flag_length = 0;
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for ( uint i = 0; i < flags_string.size(); ++i )
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{
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char current_char = flags_string[ i ];
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if ( isspace( current_char ) and !in_quotes )
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{
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if ( flag_length != 0 )
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{
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flags.push_back( flags_string.substr( flag_start, flag_length ) );
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flag_length = 0;
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}
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flag_start = i + 1;
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continue;
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}
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if ( current_char == '\'' || current_char == '\"' )
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{
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in_quotes = !in_quotes;
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}
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++flag_length;
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}
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if ( flag_length != 0 )
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flags.push_back( flags_string.substr( flag_start, flag_length ) );
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return flags;
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}
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std::string GetNearestClangOptions( const std::string &filename )
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{
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fs::path parent_folder = fs::path( filename ).parent_path();
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fs::path clang_options_filename( CLANG_OPTIONS_FILENAME );
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std::string options_file_contents;
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fs::path old_parent_folder = parent_folder;
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do
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{
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fs::path current_file = parent_folder / clang_options_filename;
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if ( fs::exists( current_file ) )
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{
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options_file_contents = ReadUtf8File( current_file );
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break;
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}
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old_parent_folder = parent_folder;
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parent_folder = parent_folder.parent_path();
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}
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while ( old_parent_folder != parent_folder );
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return options_file_contents;
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}
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} // namespace YouCompleteMe
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