llvm-project/llvm/tools/llvm-cov/SourceCoverageDataManager.h

80 lines
2.6 KiB
C++

//===- SourceCoverageDataManager.h - Manager for source file coverage data-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This class separates and merges mapping regions for a specific source file.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_COV_SOURCECOVERAGEDATAMANAGER_H
#define LLVM_COV_SOURCECOVERAGEDATAMANAGER_H
#include "FunctionCoverageMapping.h"
#include "llvm/ProfileData/CoverageMapping.h"
#include "llvm/ADT/Hashing.h"
#include <vector>
#include <unordered_map>
namespace llvm {
/// \brief Partions mapping regions by their kind and sums
/// the execution counts of the regions that start at the same location.
class SourceCoverageDataManager {
public:
struct SourceRange {
unsigned LineStart, ColumnStart, LineEnd, ColumnEnd;
SourceRange(unsigned LineStart, unsigned ColumnStart, unsigned LineEnd,
unsigned ColumnEnd)
: LineStart(LineStart), ColumnStart(ColumnStart), LineEnd(LineEnd),
ColumnEnd(ColumnEnd) {}
bool operator==(const SourceRange &Other) const {
return LineStart == Other.LineStart && ColumnStart == Other.ColumnStart &&
LineEnd == Other.LineEnd && ColumnEnd == Other.ColumnEnd;
}
bool operator<(const SourceRange &Other) const {
if (LineStart == Other.LineStart)
return ColumnStart < Other.ColumnStart;
return LineStart < Other.LineStart;
}
bool contains(const SourceRange &Other) {
if (LineStart > Other.LineStart ||
(LineStart == Other.LineStart && ColumnStart > Other.ColumnStart))
return false;
if (LineEnd < Other.LineEnd ||
(LineEnd == Other.LineEnd && ColumnEnd < Other.ColumnEnd))
return false;
return true;
}
};
protected:
std::vector<std::pair<SourceRange, uint64_t>> Regions;
std::vector<SourceRange> SkippedRegions;
bool Uniqued;
public:
SourceCoverageDataManager() : Uniqued(false) {}
void insert(const MappingRegion &Region);
/// \brief Return the source ranges and execution counts
/// obtained from the non-skipped mapping regions.
ArrayRef<std::pair<SourceRange, uint64_t>> getSourceRegions();
/// \brief Return the source ranges obtained from the skipped mapping regions.
ArrayRef<SourceRange> getSkippedRegions() const { return SkippedRegions; }
};
} // namespace llvm
#endif // LLVM_COV_SOURCECOVERAGEDATAMANAGER_H