#ifndef LLVM_DEBUGINFO_DICONTEXT_H
#define LLVM_DEBUGINFO_DICONTEXT_H
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/DataTypes.h"
namespace llvm {
class raw_ostream;
class DILineInfo {
SmallString<16> FileName;
SmallString<16> FunctionName;
uint32_t Line;
uint32_t Column;
public:
DILineInfo()
: FileName("<invalid>"), FunctionName("<invalid>"),
Line(0), Column(0) {}
DILineInfo(const SmallString<16> &fileName,
const SmallString<16> &functionName,
uint32_t line, uint32_t column)
: FileName(fileName), FunctionName(functionName),
Line(line), Column(column) {}
const char *getFileName() { return FileName.c_str(); }
const char *getFunctionName() { return FunctionName.c_str(); }
uint32_t getLine() const { return Line; }
uint32_t getColumn() const { return Column; }
bool operator==(const DILineInfo &RHS) const {
return Line == RHS.Line && Column == RHS.Column &&
FileName.equals(RHS.FileName) &&
FunctionName.equals(RHS.FunctionName);
}
bool operator!=(const DILineInfo &RHS) const {
return !(*this == RHS);
}
};
class DIInliningInfo {
SmallVector<DILineInfo, 4> Frames;
public:
DIInliningInfo() {}
DILineInfo getFrame(unsigned Index) const {
assert(Index < Frames.size());
return Frames[Index];
}
uint32_t getNumberOfFrames() const {
return Frames.size();
}
void addFrame(const DILineInfo &Frame) {
Frames.push_back(Frame);
}
};
class DILineInfoSpecifier {
const uint32_t Flags; public:
enum Specification {
FileLineInfo = 1 << 0,
AbsoluteFilePath = 1 << 1,
FunctionName = 1 << 2
};
DILineInfoSpecifier(uint32_t flags = FileLineInfo) : Flags(flags) {}
bool needs(Specification spec) const {
return (Flags & spec) > 0;
}
};
class DIContext {
public:
virtual ~DIContext();
static DIContext *getDWARFContext(bool isLittleEndian,
StringRef infoSection,
StringRef abbrevSection,
StringRef aRangeSection = StringRef(),
StringRef lineSection = StringRef(),
StringRef stringSection = StringRef(),
StringRef rangeSection = StringRef());
virtual void dump(raw_ostream &OS) = 0;
virtual DILineInfo getLineInfoForAddress(uint64_t Address,
DILineInfoSpecifier Specifier = DILineInfoSpecifier()) = 0;
virtual DIInliningInfo getInliningInfoForAddress(uint64_t Address,
DILineInfoSpecifier Specifier = DILineInfoSpecifier()) = 0;
};
}
#endif