int main(int argc, char **argv)
{
LogLevel logLevel = LogLevel::Error;
Path file;
for (int i=1; i<argc; ++i) {
if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--verbose")) {
++logLevel;
} else {
file = argv[i];
}
}
setenv("LIBCLANG_NOTHREADS", "1", 0);
signal(SIGSEGV, sigHandler);
signal(SIGABRT, sigHandler);
signal(SIGBUS, sigHandler);
Flags<LogMode> logType = LogStderr;
std::shared_ptr<SyslogCloser> closer;
if (ClangIndexer::serverOpts() & Server::RPLogToSyslog) {
logType |= LogSyslog;
closer.reset(new SyslogCloser);
}
initLogging(argv[0], logType, logLevel);
(void)closer;
RTags::initMessages();
std::shared_ptr<EventLoop> eventLoop(new EventLoop);
eventLoop->init(EventLoop::MainEventLoop);
String data;
if (!file.isEmpty()) {
data = file.readAll();
} else {
uint32_t size;
if (!fread(&size, sizeof(size), 1, stdin)) {
error() << "Failed to read from stdin";
return 1;
}
data.resize(size);
if (!fread(&data[0], size, 1, stdin)) {
error() << "Failed to read from stdin";
return 2;
}
// FILE *f = fopen("/tmp/data", "w");
// fwrite(data.constData(), data.size(), 1, f);
// fclose(f);
}
ClangIndexer indexer;
if (!indexer.exec(data)) {
error() << "ClangIndexer error";
return 3;
}
return 0;
}
void ClangIndexer::inclusionVisitor(CXFile includedFile,
CXSourceLocation *includeStack,
unsigned includeLen,
CXClientData userData)
{
ClangIndexer *indexer = static_cast<ClangIndexer*>(userData);
const Location l = indexer->createLocation(includedFile, 1, 1);
const uint32_t fileId = l.fileId();
if (!includeLen) {
indexer->mData->dependencies[fileId].insert(fileId);
} else {
for (unsigned i=0; i<includeLen; ++i) {
CXFile originatingFile;
clang_getSpellingLocation(includeStack[i], &originatingFile, 0, 0, 0);
const Location loc = indexer->createLocation(originatingFile, 1, 1);
const uint32_t f = loc.fileId();
if (f)
indexer->mData->dependencies[fileId].insert(f);
}
}
}
int main(int argc, char **argv)
{
setvbuf(stdout, NULL, _IONBF, 0);
setvbuf(stderr, NULL, _IONBF, 0);
LogLevel logLevel = LogLevel::Error;
Path file;
bool logToSyslog = false;
bool daemon = false;
for (int i=1; i<argc; ++i) {
if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--verbose")) {
++logLevel;
} else if (!strcmp(argv[i], "--priority")) { // ignore, only for wrapping purposes
++i;
} else if (!strcmp(argv[i], "--log-to-syslog")) {
logToSyslog = true;
} else if (!strcmp(argv[i], "--daemon")) {
daemon = true;
} else {
file = argv[i];
}
}
if (const char *env = getenv("TMPDIR")) { // should really always be set by rdm
Path path = Path(env).ensureTrailingSlash();
path += String::number(getpid());
path.mkdir(Path::Recursive);
setenv("TMPDIR", path.c_str(), 1);
}
if (!daemon)
setenv("LIBCLANG_NOTHREADS", "1", 0);
signal(SIGSEGV, sigHandler);
signal(SIGABRT, sigHandler);
signal(SIGBUS, sigHandler);
signal(SIGALRM, [](int) {
ClangIndexer::transition(ClangIndexer::Stopped);
});
Flags<LogFlag> logFlags = LogStderr;
std::shared_ptr<SyslogCloser> closer;
if (logToSyslog & Server::RPLogToSyslog) {
logFlags |= LogSyslog;
closer.reset(new SyslogCloser);
}
initLogging(argv[0], logFlags, logLevel);
(void)closer;
RTags::initMessages();
auto eventLoop = std::make_shared<EventLoop>();
eventLoop->init(EventLoop::MainEventLoop);
ClangIndexer indexer;
while (true) {
String data;
if (!file.isEmpty()) {
data = file.readAll();
} else {
uint32_t size;
if (!fread(&size, sizeof(size), 1, stdin)) {
error() << "Failed to read from stdin";
return 1;
}
data.resize(size);
if (!fread(&data[0], size, 1, stdin)) {
error() << "Failed to read from stdin";
return 2;
}
// FILE *f = fopen("/tmp/data", "w");
// fwrite(data.constData(), data.size(), 1, f);
// fclose(f);
}
if (!indexer.exec(data)) {
error() << "ClangIndexer error";
return 3;
}
if (daemon) {
if (ClangIndexer::state() == ClangIndexer::Running) {
printf("@FINISHED@");
fflush(stdout);
}
ClangIndexer::transition(ClangIndexer::NotStarted);
} else {
break;
}
}
return 0;
}
CXChildVisitResult ClangIndexer::indexVisitor(CXCursor cursor, CXCursor parent, CXClientData data)
{
ClangIndexer *indexer = static_cast<ClangIndexer*>(data);
// error() << "indexVisitor" << cursor;
// FILE *f = fopen("/tmp/clangindex.log", "a");
// String str;
// Log(&str) << cursor;
// fwrite(str.constData(), 1, str.size(), f);
// fwrite("\n", 1, 1, f);
// fclose(f);
const LastCursorUpdater updater(indexer->mLastCursor, cursor);
const CXCursorKind kind = clang_getCursorKind(cursor);
const RTags::CursorType type = RTags::cursorType(kind);
if (type == RTags::Other)
return CXChildVisit_Recurse;
bool blocked = false;
Location loc = indexer->createLocation(cursor, &blocked);
if (blocked) {
// error() << "blocked" << cursor;
++indexer->mBlocked;
return CXChildVisit_Continue;
} else if (loc.isNull()) {
// error() << "Got null" << cursor;
return CXChildVisit_Recurse;
}
++indexer->mAllowed;
if (indexer->mLogFile) {
String out;
Log(&out) << cursor;
fwrite(out.constData(), 1, out.size(), indexer->mLogFile);
fwrite("\n", 1, 1, indexer->mLogFile);
}
if (testLog(VerboseDebug)) {
Log log(VerboseDebug);
log << cursor;
CXCursor ref = clang_getCursorReferenced(cursor);
if (!clang_isInvalid(clang_getCursorKind(ref)) && !clang_equalCursors(ref, cursor)) {
log << "refs" << ref;
}
}
switch (type) {
case RTags::Cursor:
indexer->handleCursor(cursor, kind, loc);
break;
case RTags::Include:
indexer->handleInclude(cursor, kind, loc);
break;
case RTags::Reference:
switch (kind) {
case CXCursor_OverloadedDeclRef: {
const int count = clang_getNumOverloadedDecls(cursor);
for (int i=0; i<count; ++i) {
const CXCursor ref = clang_getOverloadedDecl(cursor, i);
indexer->handleReference(cursor, kind, loc, ref, parent);
}
break; }
case CXCursor_CXXDeleteExpr:
indexer->handleReference(cursor, kind, loc, findDestructorForDelete(cursor), parent);
break;
case CXCursor_CallExpr: {
// uglehack, see rtags/tests/nestedClassConstructorCallUgleHack/
const CXCursor ref = clang_getCursorReferenced(cursor);
if (clang_getCursorKind(ref) == CXCursor_Constructor
&& clang_getCursorKind(indexer->mLastCursor) == CXCursor_TypeRef
&& clang_getCursorKind(parent) != CXCursor_VarDecl) {
loc = indexer->createLocation(indexer->mLastCursor);
indexer->handleReference(indexer->mLastCursor, kind, loc, ref, parent);
} else {
indexer->handleReference(cursor, kind, loc, ref, parent);
}
break; }
default:
indexer->handleReference(cursor, kind, loc, clang_getCursorReferenced(cursor), parent);
break;
}
break;
case RTags::Other:
assert(0);
break;
}
return CXChildVisit_Recurse;
}