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;
}
void Irony::getCompileOptions(const std::string &buildDir,
const std::string &file) const {
#if !(HAS_COMPILATION_DATABASE)
(void)buildDir;
(void)file;
std::cout << "nil\n";
return;
#else
CXCompilationDatabase_Error error;
CXCompilationDatabase db =
clang_CompilationDatabase_fromDirectory(buildDir.c_str(), &error);
switch (error) {
case CXCompilationDatabase_CanNotLoadDatabase:
std::clog << "I: could not load compilation database in '" << buildDir
<< "'\n";
std::cout << "nil\n";
return;
case CXCompilationDatabase_NoError:
break;
}
CXCompileCommands compileCommands =
clang_CompilationDatabase_getCompileCommands(db, file.c_str());
std::cout << "(\n";
for (unsigned i = 0, numCompileCommands =
clang_CompileCommands_getSize(compileCommands);
i < numCompileCommands; ++i) {
CXCompileCommand compileCommand =
clang_CompileCommands_getCommand(compileCommands, i);
std::cout << "("
<< "(";
for (unsigned j = 0,
numArgs = clang_CompileCommand_getNumArgs(compileCommand);
j < numArgs; ++j) {
CXString arg = clang_CompileCommand_getArg(compileCommand, j);
std::cout << support::quoted(clang_getCString(arg)) << " ";
clang_disposeString(arg);
}
std::cout << ")"
<< " . ";
CXString directory = clang_CompileCommand_getDirectory(compileCommand);
std::cout << support::quoted(clang_getCString(directory));
clang_disposeString(directory);
std::cout << ")\n";
}
std::cout << ")\n";
clang_CompileCommands_dispose(compileCommands);
clang_CompilationDatabase_dispose(db);
#endif
}
