llvm::error_code create_directories(const llvm::Twine& path)
{
using namespace llvm;
using namespace llvm::sys;
SmallString<128> path_storage;
StringRef p = path.toStringRef(path_storage);
StringRef parent = path::parent_path(p);
if (!parent.empty()) {
bool parent_exists;
if (error_code ec = fs::exists(parent, parent_exists)) return ec;
if (!parent_exists)
if (error_code ec = create_directories(parent)) return ec;
}
return create_directory(p);
}
bool pConfigMgr::read(const llvm::Twine &file, pConfig &c) {
llvm::SmallString<128> path_storage;
llvm::StringRef fName = file.toStringRef(path_storage);
llvm::OwningPtr<llvm::MemoryBuffer> contents;
if (llvm::MemoryBuffer::getFile(fName, contents)) {
return false;
}
llvm::SourceMgr sm;
llvm::StringRef input = contents->getBufferStart();
llvm::yaml::Stream stream(input, sm);
llvm::SmallString<128> kstorage;
llvm::SmallString<128> vstorage;
for (llvm::yaml::document_iterator di = stream.begin(), de = stream.end();
di != de; ++di) {
llvm::yaml::MappingNode *n = llvm::dyn_cast<llvm::yaml::MappingNode>(di->getRoot());
if (!n)
break;
for (llvm::yaml::MappingNode::iterator i = n->begin();
i != n->end();
++i) {
llvm::yaml::ScalarNode *keyN = llvm::dyn_cast<llvm::yaml::ScalarNode>(i->getKey());
llvm::yaml::ScalarNode *valN = llvm::dyn_cast<llvm::yaml::ScalarNode>(i->getValue());
if (!keyN || !valN)
continue;
//std::cout << "key is " << key->getValue(storage).str() << ", val is " << val->getValue(storage).str() << std::endl;
pStringRef key = keyN->getValue(kstorage);
pStringRef val = valN->getValue(vstorage);
if (key == "include") {
c.includePaths.push_back(val.str());
}
else if (key == "source_directory" || key == "source_file") {
c.inputFiles.push_back(val.str());
}
else if (key == "diagnostic_file") {
c.diagFiles.push_back(val.str());
}
else if (key == "db") {
c.dbName = val.str();
}
else if (key == "exts") {
c.exts = val.str();
}
else if (key == "verbosity") {
llvm::APInt result;
val.getAsInteger(10, result);
c.verbosity = result.getLimitedValue();
}
else {
std::cerr << "unknown key in config file: " << key.str() << std::endl;
}
}
}
return true;
}