110 lines
3.1 KiB
C++
110 lines
3.1 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 "CompilationDatabase.h"
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#include "ClangUtils.h"
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#include "standard.h"
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#include "ReleaseGil.h"
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#include <boost/shared_ptr.hpp>
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#include <boost/make_shared.hpp>
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#include <boost/type_traits/remove_pointer.hpp>
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#include <boost/thread/locks.hpp>
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using boost::lock_guard;
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using boost::unique_lock;
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using boost::try_to_lock_t;
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using boost::remove_pointer;
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using boost::shared_ptr;
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using boost::mutex;
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namespace YouCompleteMe {
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typedef shared_ptr <
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remove_pointer< CXCompileCommands >::type > CompileCommandsWrap;
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CompilationDatabase::CompilationDatabase(
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const std::string &path_to_directory )
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: is_loaded_( false ) {
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CXCompilationDatabase_Error status;
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compilation_database_ = clang_CompilationDatabase_fromDirectory(
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path_to_directory.c_str(),
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&status );
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is_loaded_ = status == CXCompilationDatabase_NoError;
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}
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CompilationDatabase::~CompilationDatabase() {
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clang_CompilationDatabase_dispose( compilation_database_ );
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}
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bool CompilationDatabase::DatabaseSuccessfullyLoaded() {
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return is_loaded_;
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}
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bool CompilationDatabase::AlreadyGettingFlags() {
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unique_lock< mutex > lock( compilation_database_mutex_, try_to_lock_t() );
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return !lock.owns_lock();
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}
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CompilationInfoForFile CompilationDatabase::GetCompilationInfoForFile(
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const std::string &path_to_file ) {
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ReleaseGil unlock;
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CompilationInfoForFile info;
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if ( !is_loaded_ )
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return info;
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lock_guard< mutex > lock( compilation_database_mutex_ );
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CompileCommandsWrap commands(
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clang_CompilationDatabase_getCompileCommands(
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compilation_database_,
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path_to_file.c_str() ), clang_CompileCommands_dispose );
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uint num_commands = clang_CompileCommands_getSize( commands.get() );
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if ( num_commands < 1 ) {
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return info;
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}
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// We always pick the first command offered
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CXCompileCommand command = clang_CompileCommands_getCommand(
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commands.get(),
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0 );
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info.compiler_working_dir_ = CXStringToString(
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clang_CompileCommand_getDirectory( command ) );
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uint num_flags = clang_CompileCommand_getNumArgs( command );
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info.compiler_flags_.reserve( num_flags );
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for ( uint i = 0; i < num_flags; ++i ) {
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info.compiler_flags_.push_back(
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CXStringToString( clang_CompileCommand_getArg( command, i ) ) );
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}
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return info;
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}
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} // namespace YouCompleteMe
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