YouCompleteMe/cpp/ycm/ClangCompleter/CompilationDatabase.cpp
Strahinja Val Markovic 3706750b40 astyle format update
2013-01-22 19:42:44 -08:00

120 lines
3.4 KiB
C++

// Copyright (C) 2011, 2012 Strahinja Val Markovic <val@markovic.io>
//
// This file is part of YouCompleteMe.
//
// YouCompleteMe is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// YouCompleteMe is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with YouCompleteMe. If not, see <http://www.gnu.org/licenses/>.
#include "CompilationDatabase.h"
#include "ClangUtils.h"
#include "standard.h"
#include <boost/shared_ptr.hpp>
#include <boost/type_traits/remove_pointer.hpp>
using boost::shared_ptr;
using boost::shared_ptr;
using boost::remove_pointer;
namespace YouCompleteMe {
typedef shared_ptr <
remove_pointer< CXCompileCommands >::type > CompileCommandsWrap;
CompilationDatabase::CompilationDatabase(
const std::string &path_to_directory )
: is_loaded_( false ) {
CXCompilationDatabase_Error status;
compilation_database_ = clang_CompilationDatabase_fromDirectory(
path_to_directory.c_str(),
&status );
is_loaded_ = status == CXCompilationDatabase_NoError;
}
CompilationDatabase::~CompilationDatabase() {
clang_CompilationDatabase_dispose( compilation_database_ );
}
bool CompilationDatabase::DatabaseSuccessfullyLoaded() {
return is_loaded_;
}
std::vector< std::string > CompilationDatabase::FlagsForFile(
const std::string &path_to_file ) {
std::vector< std::string > flags;
if ( !is_loaded_ )
return flags;
CompileCommandsWrap commands(
clang_CompilationDatabase_getCompileCommands(
compilation_database_,
path_to_file.c_str() ), clang_CompileCommands_dispose );
uint num_commands = clang_CompileCommands_getSize( commands.get() );
if ( num_commands < 1 ) {
return flags;
}
// We always pick the first command offered
CXCompileCommand command = clang_CompileCommands_getCommand(
commands.get(),
0 );
uint num_flags = clang_CompileCommand_getNumArgs( command );
flags.reserve( num_flags );
for ( uint i = 0; i < num_flags; ++i ) {
flags.push_back( CXStringToString(
clang_CompileCommand_getArg( command, i ) ) );
}
return flags;
}
std::string CompilationDatabase::CompileCommandWorkingDirectoryForFile(
const std::string &path_to_file ) {
std::string path_to_directory;
if ( !is_loaded_ )
return path_to_directory;
CompileCommandsWrap commands(
clang_CompilationDatabase_getCompileCommands(
compilation_database_,
path_to_file.c_str() ), clang_CompileCommands_dispose );
uint num_commands = clang_CompileCommands_getSize( commands.get() );
if ( num_commands < 1 ) {
return path_to_directory;
}
// We always pick the first command offered
CXCompileCommand command = clang_CompileCommands_getCommand(
commands.get(),
0 );
path_to_directory = CXStringToString( clang_CompileCommand_getDirectory(
command ) );
return path_to_directory;
}
} // namespace YouCompleteMe