#ifndef SUPPORT_SOURCEMGR_H
#define SUPPORT_SOURCEMGR_H
#include "llvm/Support/SMLoc.h"
#include "llvm/ADT/ArrayRef.h"
#include <string>
namespace llvm {
class MemoryBuffer;
class SourceMgr;
class SMDiagnostic;
class Twine;
class raw_ostream;
class SourceMgr {
public:
enum DiagKind {
DK_Error,
DK_Warning,
DK_Note
};
typedef void (*DiagHandlerTy)(const SMDiagnostic &, void *Context);
private:
struct SrcBuffer {
MemoryBuffer *Buffer;
SMLoc IncludeLoc;
};
std::vector<SrcBuffer> Buffers;
std::vector<std::string> IncludeDirectories;
mutable void *LineNoCache;
DiagHandlerTy DiagHandler;
void *DiagContext;
SourceMgr(const SourceMgr&) LLVM_DELETED_FUNCTION;
void operator=(const SourceMgr&) LLVM_DELETED_FUNCTION;
public:
SourceMgr() : LineNoCache(0), DiagHandler(0), DiagContext(0) {}
~SourceMgr();
void setIncludeDirs(const std::vector<std::string> &Dirs) {
IncludeDirectories = Dirs;
}
void setDiagHandler(DiagHandlerTy DH, void *Ctx = 0) {
DiagHandler = DH;
DiagContext = Ctx;
}
DiagHandlerTy getDiagHandler() const { return DiagHandler; }
void *getDiagContext() const { return DiagContext; }
const SrcBuffer &getBufferInfo(unsigned i) const {
assert(i < Buffers.size() && "Invalid Buffer ID!");
return Buffers[i];
}
const MemoryBuffer *getMemoryBuffer(unsigned i) const {
assert(i < Buffers.size() && "Invalid Buffer ID!");
return Buffers[i].Buffer;
}
SMLoc getParentIncludeLoc(unsigned i) const {
assert(i < Buffers.size() && "Invalid Buffer ID!");
return Buffers[i].IncludeLoc;
}
unsigned AddNewSourceBuffer(MemoryBuffer *F, SMLoc IncludeLoc) {
SrcBuffer NB;
NB.Buffer = F;
NB.IncludeLoc = IncludeLoc;
Buffers.push_back(NB);
return Buffers.size()-1;
}
unsigned AddIncludeFile(const std::string &Filename, SMLoc IncludeLoc,
std::string &IncludedFile);
int FindBufferContainingLoc(SMLoc Loc) const;
unsigned FindLineNumber(SMLoc Loc, int BufferID = -1) const {
return getLineAndColumn(Loc, BufferID).first;
}
std::pair<unsigned, unsigned>
getLineAndColumn(SMLoc Loc, int BufferID = -1) const;
void PrintMessage(SMLoc Loc, DiagKind Kind, const Twine &Msg,
ArrayRef<SMRange> Ranges = ArrayRef<SMRange>(),
bool ShowColors = true) const;
SMDiagnostic GetMessage(SMLoc Loc, DiagKind Kind, const Twine &Msg,
ArrayRef<SMRange> Ranges = ArrayRef<SMRange>()) const;
void PrintIncludeStack(SMLoc IncludeLoc, raw_ostream &OS) const;
};
class SMDiagnostic {
const SourceMgr *SM;
SMLoc Loc;
std::string Filename;
int LineNo, ColumnNo;
SourceMgr::DiagKind Kind;
std::string Message, LineContents;
std::vector<std::pair<unsigned, unsigned> > Ranges;
public:
SMDiagnostic()
: SM(0), LineNo(0), ColumnNo(0), Kind(SourceMgr::DK_Error) {}
SMDiagnostic(const std::string &filename, SourceMgr::DiagKind Knd,
const std::string &Msg)
: SM(0), Filename(filename), LineNo(-1), ColumnNo(-1), Kind(Knd),
Message(Msg) {}
SMDiagnostic(const SourceMgr &sm, SMLoc L, const std::string &FN,
int Line, int Col, SourceMgr::DiagKind Kind,
const std::string &Msg, const std::string &LineStr,
ArrayRef<std::pair<unsigned,unsigned> > Ranges);
const SourceMgr *getSourceMgr() const { return SM; }
SMLoc getLoc() const { return Loc; }
const std::string &getFilename() const { return Filename; }
int getLineNo() const { return LineNo; }
int getColumnNo() const { return ColumnNo; }
SourceMgr::DiagKind getKind() const { return Kind; }
const std::string &getMessage() const { return Message; }
const std::string &getLineContents() const { return LineContents; }
const std::vector<std::pair<unsigned, unsigned> > &getRanges() const {
return Ranges;
}
void print(const char *ProgName, raw_ostream &S, bool ShowColors = true) const;
};
}
#endif