EventListenerCommon.h [plain text]
#ifndef EVENT_LISTENER_COMMON_H
#define EVENT_LISTENER_COMMON_H
#include "llvm/DebugInfo.h"
#include "llvm/Metadata.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/Support/ValueHandle.h"
#include "llvm/Support/Path.h"
namespace llvm {
namespace jitprofiling {
class FilenameCache {
DenseMap<AssertingVH<MDNode>, std::string> Filenames;
DenseMap<AssertingVH<MDNode>, std::string> Paths;
public:
const char *getFilename(MDNode *Scope) {
std::string &Filename = Filenames[Scope];
if (Filename.empty()) {
DIScope DIScope(Scope);
Filename = DIScope.getFilename();
}
return Filename.c_str();
}
const char *getFullPath(MDNode *Scope) {
std::string &P = Paths[Scope];
if (P.empty()) {
DIScope DIScope(Scope);
StringRef DirName = DIScope.getDirectory();
StringRef FileName = DIScope.getFilename();
SmallString<256> FullPath;
if (DirName != "." && DirName != "") {
FullPath = DirName;
}
if (FileName != "") {
sys::path::append(FullPath, FileName);
}
P = FullPath.str();
}
return P.c_str();
}
};
}
}
#endif //EVENT_LISTENER_COMMON_H