#ifndef _LLVM_DIFFLOG_H_
#define _LLVM_DIFFLOG_H_
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
namespace llvm {
class Instruction;
class Value;
class Consumer;
enum DiffChange { DC_match, DC_left, DC_right };
class LogBuilder {
Consumer &consumer;
StringRef Format;
SmallVector<Value*, 4> Arguments;
public:
LogBuilder(Consumer &c, StringRef Format)
: consumer(c), Format(Format) {}
LogBuilder &operator<<(Value *V) {
Arguments.push_back(V);
return *this;
}
~LogBuilder();
StringRef getFormat() const;
unsigned getNumArguments() const;
Value *getArgument(unsigned I) const;
};
class DiffLogBuilder {
typedef std::pair<Instruction*,Instruction*> DiffRecord;
SmallVector<DiffRecord, 20> Diff;
Consumer &consumer;
public:
DiffLogBuilder(Consumer &c) : consumer(c) {}
~DiffLogBuilder();
void addMatch(Instruction *L, Instruction *R);
void addLeft(Instruction *L);
void addRight(Instruction *R);
unsigned getNumLines() const;
DiffChange getLineKind(unsigned I) const;
Instruction *getLeft(unsigned I) const;
Instruction *getRight(unsigned I) const;
};
}
#endif