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// Copyright (C) 2011, 2012 Google Inc.
//
// 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 "ReleaseGil.h"
#include <boost/shared_ptr.hpp>
#include <boost/make_shared.hpp>
#include <boost/type_traits/remove_pointer.hpp>
#include <boost/thread/locks.hpp>
using boost::lock_guard;
using boost::unique_lock;
using boost::try_to_lock_t;
using boost::remove_pointer;
using boost::shared_ptr;
using boost::mutex;
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_;
}
bool CompilationDatabase::AlreadyGettingFlags() {
unique_lock< mutex > lock( compilation_database_mutex_, try_to_lock_t() );
return !lock.owns_lock();
}
CompilationInfoForFile CompilationDatabase::GetCompilationInfoForFile(
const std::string &path_to_file ) {
ReleaseGil unlock;
CompilationInfoForFile info;
if ( !is_loaded_ )
return info;
lock_guard< mutex > lock( compilation_database_mutex_ );
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 info;
}
// We always pick the first command offered
CXCompileCommand command = clang_CompileCommands_getCommand(
commands.get(),
0 );
info.compiler_working_dir_ = CXStringToString(
clang_CompileCommand_getDirectory( command ) );
uint num_flags = clang_CompileCommand_getNumArgs( command );
info.compiler_flags_.reserve( num_flags );
for ( uint i = 0; i < num_flags; ++i ) {
info.compiler_flags_.push_back(
CXStringToString( clang_CompileCommand_getArg( command, i ) ) );
}
return info;
}
} // namespace YouCompleteMe
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